From 89615b7e879ef911d64ea6c3a9ab4d13531cd131 Mon Sep 17 00:00:00 2001
From: Rett Behrens <rett@rettbehrens.codes>
Date: Fri, 8 Apr 2022 12:03:39 -0600
Subject: [PATCH 1/7] first attempt using openapi-generator-cli:v5.4.0

---
 docs/v2/accounting/index.html                 |    4 +-
 docs/v2/appstore/index.html                   |    2 +-
 docs/v2/assets/index.html                     |    5 +-
 docs/v2/files/index.html                      |    2 +-
 docs/v2/finance/index.html                    |    2 +-
 docs/v2/payroll_au/index.html                 |    2 +-
 docs/v2/payroll_nz/index.html                 |    2 +-
 docs/v2/payroll_uk/index.html                 |    4 +-
 docs/v2/projects/index.html                   |    2 +-
 lib/AccountingObjectSerializer.php            |    6 +-
 lib/Api/AccountingApi.php                     | 4036 ++++++++---------
 lib/Api/AppStoreApi.php                       |    4 +-
 lib/Api/AssetApi.php                          |   76 +-
 lib/Api/FilesApi.php                          |  304 +-
 lib/Api/FinanceApi.php                        |  220 +-
 lib/Api/IdentityApi.php                       |    4 +-
 lib/Api/PayrollAuApi.php                      |  508 +--
 lib/Api/PayrollNzApi.php                      | 1192 ++---
 lib/Api/PayrollUkApi.php                      | 1228 ++---
 lib/Api/ProjectApi.php                        |  238 +-
 lib/AppStoreObjectSerializer.php              |    6 +-
 lib/AssetObjectSerializer.php                 |    6 +-
 lib/Configuration.php                         |    8 +-
 lib/FileObjectSerializer.php                  |    6 +-
 lib/FinanceObjectSerializer.php               |    6 +-
 lib/IdentityObjectSerializer.php              |    6 +-
 lib/Models/Accounting/Account.php             |  113 +-
 lib/Models/Accounting/AccountType.php         |    4 +-
 lib/Models/Accounting/Accounts.php            |    8 +-
 lib/Models/Accounting/AccountsPayable.php     |   23 +-
 lib/Models/Accounting/AccountsReceivable.php  |   23 +-
 lib/Models/Accounting/Action.php              |   23 +-
 lib/Models/Accounting/Actions.php             |    8 +-
 lib/Models/Accounting/Address.php             |   63 +-
 .../Accounting/AddressForOrganisation.php     |   63 +-
 lib/Models/Accounting/Allocation.php          |   53 +-
 lib/Models/Accounting/Allocations.php         |    8 +-
 lib/Models/Accounting/Attachment.php          |   43 +-
 lib/Models/Accounting/Attachments.php         |    8 +-
 lib/Models/Accounting/BalanceDetails.php      |   28 +-
 lib/Models/Accounting/Balances.php            |   23 +-
 lib/Models/Accounting/BankTransaction.php     |  123 +-
 lib/Models/Accounting/BankTransactions.php    |    8 +-
 lib/Models/Accounting/BankTransfer.php        |   83 +-
 lib/Models/Accounting/BankTransfers.php       |    8 +-
 lib/Models/Accounting/BatchPayment.php        |   98 +-
 lib/Models/Accounting/BatchPaymentDetails.php |   38 +-
 lib/Models/Accounting/BatchPayments.php       |    8 +-
 lib/Models/Accounting/Bill.php                |   23 +-
 lib/Models/Accounting/BrandingTheme.php       |   43 +-
 lib/Models/Accounting/BrandingThemes.php      |    8 +-
 lib/Models/Accounting/Budget.php              |   43 +-
 lib/Models/Accounting/BudgetBalance.php       |   33 +-
 lib/Models/Accounting/BudgetLine.php          |   28 +-
 lib/Models/Accounting/Budgets.php             |    8 +-
 lib/Models/Accounting/CISOrgSetting.php       |   28 +-
 lib/Models/Accounting/CISOrgSettings.php      |    8 +-
 lib/Models/Accounting/CISSetting.php          |   23 +-
 lib/Models/Accounting/CISSettings.php         |    8 +-
 lib/Models/Accounting/Contact.php             |  228 +-
 lib/Models/Accounting/ContactGroup.php        |   33 +-
 lib/Models/Accounting/ContactGroups.php       |    8 +-
 lib/Models/Accounting/ContactPerson.php       |   33 +-
 lib/Models/Accounting/Contacts.php            |    8 +-
 lib/Models/Accounting/ConversionBalances.php  |   28 +-
 lib/Models/Accounting/ConversionDate.php      |   23 +-
 lib/Models/Accounting/CountryCode.php         |    4 +-
 lib/Models/Accounting/CreditNote.php          |  163 +-
 lib/Models/Accounting/CreditNotes.php         |    8 +-
 lib/Models/Accounting/Currencies.php          |    8 +-
 lib/Models/Accounting/Currency.php            |   23 +-
 lib/Models/Accounting/CurrencyCode.php        |    4 +-
 lib/Models/Accounting/Element.php             |   53 +-
 lib/Models/Accounting/Employee.php            |   53 +-
 lib/Models/Accounting/Employees.php           |    8 +-
 lib/Models/Accounting/Error.php               |   33 +-
 lib/Models/Accounting/ExpenseClaim.php        |   73 +-
 lib/Models/Accounting/ExpenseClaims.php       |    8 +-
 lib/Models/Accounting/ExternalLink.php        |   28 +-
 lib/Models/Accounting/HistoryRecord.php       |   33 +-
 lib/Models/Accounting/HistoryRecords.php      |    8 +-
 lib/Models/Accounting/ImportSummary.php       |   23 +-
 .../Accounting/ImportSummaryAccounts.php      |   58 +-
 lib/Models/Accounting/ImportSummaryObject.php |    8 +-
 .../Accounting/ImportSummaryOrganisation.php  |    8 +-
 lib/Models/Accounting/Invoice.php             |  213 +-
 lib/Models/Accounting/InvoiceReminder.php     |    8 +-
 lib/Models/Accounting/InvoiceReminders.php    |    8 +-
 lib/Models/Accounting/Invoices.php            |    8 +-
 lib/Models/Accounting/Item.php                |   93 +-
 lib/Models/Accounting/Items.php               |    8 +-
 lib/Models/Accounting/Journal.php             |   53 +-
 lib/Models/Accounting/JournalLine.php         |   73 +-
 lib/Models/Accounting/Journals.php            |    8 +-
 lib/Models/Accounting/LineAmountTypes.php     |    4 +-
 lib/Models/Accounting/LineItem.php            |   88 +-
 lib/Models/Accounting/LineItemItem.php        |   28 +-
 lib/Models/Accounting/LineItemTracking.php    |   33 +-
 lib/Models/Accounting/LinkedTransaction.php   |   68 +-
 lib/Models/Accounting/LinkedTransactions.php  |    8 +-
 lib/Models/Accounting/ManualJournal.php       |   83 +-
 lib/Models/Accounting/ManualJournalLine.php   |   53 +-
 lib/Models/Accounting/ManualJournals.php      |    8 +-
 lib/Models/Accounting/ModelInterface.php      |    2 +-
 lib/Models/Accounting/OnlineInvoice.php       |    8 +-
 lib/Models/Accounting/OnlineInvoices.php      |    8 +-
 lib/Models/Accounting/Organisation.php        |  178 +-
 lib/Models/Accounting/Organisations.php       |    8 +-
 lib/Models/Accounting/Overpayment.php         |  108 +-
 lib/Models/Accounting/Overpayments.php        |    8 +-
 lib/Models/Accounting/Payment.php             |  143 +-
 lib/Models/Accounting/PaymentDelete.php       |    8 +-
 lib/Models/Accounting/PaymentService.php      |   43 +-
 lib/Models/Accounting/PaymentServices.php     |    8 +-
 lib/Models/Accounting/PaymentTerm.php         |   23 +-
 lib/Models/Accounting/PaymentTermType.php     |    4 +-
 lib/Models/Accounting/Payments.php            |    8 +-
 lib/Models/Accounting/Phone.php               |   33 +-
 lib/Models/Accounting/Prepayment.php          |  113 +-
 lib/Models/Accounting/Prepayments.php         |    8 +-
 lib/Models/Accounting/Purchase.php            |   33 +-
 lib/Models/Accounting/PurchaseOrder.php       |  153 +-
 lib/Models/Accounting/PurchaseOrders.php      |    8 +-
 lib/Models/Accounting/Quote.php               |  133 +-
 .../Accounting/QuoteLineAmountTypes.php       |    4 +-
 lib/Models/Accounting/QuoteStatusCodes.php    |    4 +-
 lib/Models/Accounting/Quotes.php              |    8 +-
 lib/Models/Accounting/Receipt.php             |  103 +-
 lib/Models/Accounting/Receipts.php            |    8 +-
 lib/Models/Accounting/RepeatingInvoice.php    |   93 +-
 lib/Models/Accounting/RepeatingInvoices.php   |    8 +-
 lib/Models/Accounting/Report.php              |   43 +-
 lib/Models/Accounting/ReportAttribute.php     |   23 +-
 lib/Models/Accounting/ReportCell.php          |   23 +-
 lib/Models/Accounting/ReportFields.php        |   28 +-
 lib/Models/Accounting/ReportRow.php           |   28 +-
 lib/Models/Accounting/ReportRows.php          |   33 +-
 lib/Models/Accounting/ReportWithRow.php       |   58 +-
 lib/Models/Accounting/ReportWithRows.php      |    8 +-
 lib/Models/Accounting/Reports.php             |    8 +-
 lib/Models/Accounting/RequestEmpty.php        |    8 +-
 lib/Models/Accounting/RowType.php             |    4 +-
 .../Accounting/SalesTrackingCategory.php      |   23 +-
 lib/Models/Accounting/Schedule.php            |   48 +-
 lib/Models/Accounting/Setup.php               |   28 +-
 lib/Models/Accounting/TaxComponent.php        |   33 +-
 lib/Models/Accounting/TaxRate.php             |   73 +-
 lib/Models/Accounting/TaxRates.php            |    8 +-
 lib/Models/Accounting/TaxType.php             |    4 +-
 .../Accounting/TenNinetyNineContact.php       |  123 +-
 lib/Models/Accounting/TimeZone.php            |    4 +-
 lib/Models/Accounting/TrackingCategories.php  |    8 +-
 lib/Models/Accounting/TrackingCategory.php    |   43 +-
 lib/Models/Accounting/TrackingOption.php      |   33 +-
 lib/Models/Accounting/TrackingOptions.php     |    8 +-
 lib/Models/Accounting/User.php                |   48 +-
 lib/Models/Accounting/Users.php               |    8 +-
 lib/Models/Accounting/ValidationError.php     |    8 +-
 lib/Models/AppStore/ModelInterface.php        |    2 +-
 lib/Models/AppStore/Plan.php                  |   33 +-
 lib/Models/AppStore/Price.php                 |   28 +-
 lib/Models/AppStore/ProblemDetails.php        |   43 +-
 lib/Models/AppStore/Product.php               |   81 +-
 lib/Models/AppStore/Subscription.php          |   53 +-
 lib/Models/AppStore/SubscriptionItem.php      |   76 +-
 lib/Models/Asset/Asset.php                    |   93 +-
 lib/Models/Asset/AssetStatus.php              |    4 +-
 lib/Models/Asset/AssetStatusQueryParam.php    |    4 +-
 lib/Models/Asset/AssetType.php                |   48 +-
 lib/Models/Asset/Assets.php                   |   23 +-
 lib/Models/Asset/BookDepreciationDetail.php   |   48 +-
 lib/Models/Asset/BookDepreciationSetting.php  |   53 +-
 lib/Models/Asset/Error.php                    |   38 +-
 .../Asset/FieldValidationErrorsElement.php    |   43 +-
 lib/Models/Asset/ModelInterface.php           |    2 +-
 lib/Models/Asset/Pagination.php               |   33 +-
 .../Asset/ResourceValidationErrorsElement.php |   38 +-
 lib/Models/Asset/Setting.php                  |   53 +-
 lib/Models/File/Association.php               |   33 +-
 lib/Models/File/FileObject.php                |   53 +-
 lib/Models/File/Files.php                     |   33 +-
 lib/Models/File/Folder.php                    |   38 +-
 lib/Models/File/Folders.php                   |    8 +-
 lib/Models/File/ModelInterface.php            |    2 +-
 lib/Models/File/ObjectGroup.php               |    4 +-
 lib/Models/File/ObjectType.php                |    4 +-
 lib/Models/File/UploadObject.php              |    6 +
 lib/Models/File/User.php                      |   38 +-
 lib/Models/Finance/AccountUsage.php           |   78 +-
 lib/Models/Finance/AccountUsageResponse.php   |   33 +-
 .../Finance/BalanceSheetAccountDetail.php     |   38 +-
 .../Finance/BalanceSheetAccountGroup.php      |   23 +-
 .../Finance/BalanceSheetAccountType.php       |   28 +-
 lib/Models/Finance/BalanceSheetResponse.php   |   33 +-
 .../BankStatementAccountingResponse.php       |   33 +-
 lib/Models/Finance/BankStatementResponse.php  |   23 +-
 .../Finance/BankTransactionResponse.php       |   43 +-
 lib/Models/Finance/CashAccountResponse.php    |   38 +-
 lib/Models/Finance/CashBalance.php            |   28 +-
 lib/Models/Finance/CashValidationResponse.php |   38 +-
 lib/Models/Finance/CashflowAccount.php        |   48 +-
 lib/Models/Finance/CashflowActivity.php       |   28 +-
 lib/Models/Finance/CashflowResponse.php       |   33 +-
 lib/Models/Finance/CashflowType.php           |   28 +-
 lib/Models/Finance/ContactDetail.php          |   43 +-
 lib/Models/Finance/ContactResponse.php        |   23 +-
 lib/Models/Finance/ContactTotalDetail.php     |   28 +-
 lib/Models/Finance/ContactTotalOther.php      |   33 +-
 lib/Models/Finance/CreditNoteResponse.php     |   33 +-
 .../Finance/CurrentStatementResponse.php      |   43 +-
 lib/Models/Finance/DataSourceResponse.php     |   88 +-
 lib/Models/Finance/HistoryRecordResponse.php  |   38 +-
 .../Finance/IncomeByContactResponse.php       |   48 +-
 lib/Models/Finance/InvoiceResponse.php        |   33 +-
 lib/Models/Finance/LineItemResponse.php       |   33 +-
 lib/Models/Finance/LockHistoryModel.php       |   28 +-
 lib/Models/Finance/LockHistoryResponse.php    |   28 +-
 lib/Models/Finance/ManualJournalTotal.php     |    8 +-
 lib/Models/Finance/ModelInterface.php         |    2 +-
 lib/Models/Finance/OverpaymentResponse.php    |   33 +-
 lib/Models/Finance/PaymentResponse.php        |   63 +-
 lib/Models/Finance/PnlAccount.php             |   43 +-
 lib/Models/Finance/PnlAccountClass.php        |   23 +-
 lib/Models/Finance/PnlAccountType.php         |   28 +-
 lib/Models/Finance/PracticeResponse.php       |   38 +-
 lib/Models/Finance/PrepaymentResponse.php     |   33 +-
 lib/Models/Finance/Problem.php                |   33 +-
 lib/Models/Finance/ProblemType.php            |    4 +-
 lib/Models/Finance/ProfitAndLossResponse.php  |   38 +-
 lib/Models/Finance/ReportHistoryModel.php     |   28 +-
 lib/Models/Finance/ReportHistoryResponse.php  |   28 +-
 .../Finance/StatementBalanceResponse.php      |   23 +-
 lib/Models/Finance/StatementLineResponse.php  |   78 +-
 lib/Models/Finance/StatementLinesResponse.php |   98 +-
 lib/Models/Finance/StatementResponse.php      |   43 +-
 lib/Models/Finance/TotalDetail.php            |   28 +-
 lib/Models/Finance/TotalOther.php             |   28 +-
 lib/Models/Finance/TrialBalanceAccount.php    |   63 +-
 lib/Models/Finance/TrialBalanceEntry.php      |   23 +-
 lib/Models/Finance/TrialBalanceMovement.php   |   33 +-
 lib/Models/Finance/TrialBalanceResponse.php   |   28 +-
 lib/Models/Finance/UserActivitiesResponse.php |   28 +-
 lib/Models/Finance/UserResponse.php           |   73 +-
 lib/Models/Identity/AccessToken.php           |   38 +-
 lib/Models/Identity/Connection.php            |   48 +-
 lib/Models/Identity/ModelInterface.php        |    2 +-
 lib/Models/Identity/RefreshToken.php          |   33 +-
 lib/Models/PayrollAu/APIException.php         |   28 +-
 lib/Models/PayrollAu/Account.php              |   33 +-
 lib/Models/PayrollAu/AccountType.php          |    4 +-
 lib/Models/PayrollAu/AllowanceCategory.php    |    4 +-
 lib/Models/PayrollAu/AllowanceType.php        |    4 +-
 lib/Models/PayrollAu/BankAccount.php          |   43 +-
 lib/Models/PayrollAu/CalendarType.php         |    4 +-
 lib/Models/PayrollAu/DeductionLine.php        |   38 +-
 lib/Models/PayrollAu/DeductionType.php        |   58 +-
 .../DeductionTypeCalculationType.php          |    4 +-
 lib/Models/PayrollAu/EarningsLine.php         |   58 +-
 lib/Models/PayrollAu/EarningsRate.php         |  103 +-
 .../PayrollAu/EarningsRateCalculationType.php |    4 +-
 lib/Models/PayrollAu/EarningsType.php         |    4 +-
 lib/Models/PayrollAu/Employee.php             |  173 +-
 lib/Models/PayrollAu/EmployeeStatus.php       |    4 +-
 lib/Models/PayrollAu/Employees.php            |    8 +-
 lib/Models/PayrollAu/EmploymentBasis.php      |    4 +-
 .../EmploymentTerminationPaymentType.php      |    4 +-
 .../EntitlementFinalPayPayoutType.php         |    4 +-
 lib/Models/PayrollAu/HomeAddress.php          |   43 +-
 lib/Models/PayrollAu/LeaveAccrualLine.php     |   28 +-
 lib/Models/PayrollAu/LeaveApplication.php     |   63 +-
 lib/Models/PayrollAu/LeaveApplications.php    |    8 +-
 lib/Models/PayrollAu/LeaveBalance.php         |   33 +-
 lib/Models/PayrollAu/LeaveEarningsLine.php    |   28 +-
 lib/Models/PayrollAu/LeaveLine.php            |   53 +-
 .../PayrollAu/LeaveLineCalculationType.php    |    4 +-
 lib/Models/PayrollAu/LeaveLines.php           |    8 +-
 lib/Models/PayrollAu/LeavePeriod.php          |   33 +-
 lib/Models/PayrollAu/LeavePeriodStatus.php    |    4 +-
 lib/Models/PayrollAu/LeaveType.php            |   58 +-
 .../PayrollAu/LeaveTypeContributionType.php   |    4 +-
 lib/Models/PayrollAu/ManualTaxType.php        |    4 +-
 lib/Models/PayrollAu/ModelInterface.php       |    2 +-
 lib/Models/PayrollAu/OpeningBalances.php      |   48 +-
 lib/Models/PayrollAu/PayItem.php              |   33 +-
 lib/Models/PayrollAu/PayItems.php             |    8 +-
 lib/Models/PayrollAu/PayRun.php               |   93 +-
 lib/Models/PayrollAu/PayRunStatus.php         |    4 +-
 lib/Models/PayrollAu/PayRuns.php              |    8 +-
 lib/Models/PayrollAu/PayTemplate.php          |   38 +-
 lib/Models/PayrollAu/PaymentFrequencyType.php |    4 +-
 lib/Models/PayrollAu/PayrollCalendar.php      |   53 +-
 lib/Models/PayrollAu/PayrollCalendars.php     |    8 +-
 lib/Models/PayrollAu/Payslip.php              |  108 +-
 lib/Models/PayrollAu/PayslipLines.php         |   53 +-
 lib/Models/PayrollAu/PayslipObject.php        |    8 +-
 lib/Models/PayrollAu/PayslipSummary.php       |   73 +-
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 lib/Models/PayrollAu/RateType.php             |    4 +-
 lib/Models/PayrollAu/ReimbursementLine.php    |   33 +-
 lib/Models/PayrollAu/ReimbursementLines.php   |    8 +-
 lib/Models/PayrollAu/ReimbursementType.php    |   38 +-
 lib/Models/PayrollAu/ResidencyStatus.php      |    4 +-
 lib/Models/PayrollAu/Settings.php             |   28 +-
 lib/Models/PayrollAu/SettingsObject.php       |    8 +-
 .../PayrollAu/SettingsTrackingCategories.php  |   23 +-
 ...ttingsTrackingCategoriesEmployeeGroups.php |   23 +-
 ...sTrackingCategoriesTimesheetCategories.php |   23 +-
 lib/Models/PayrollAu/State.php                |    4 +-
 lib/Models/PayrollAu/SuperFund.php            |   78 +-
 lib/Models/PayrollAu/SuperFundProduct.php     |   33 +-
 lib/Models/PayrollAu/SuperFundProducts.php    |    8 +-
 lib/Models/PayrollAu/SuperFundType.php        |    4 +-
 lib/Models/PayrollAu/SuperFunds.php           |    8 +-
 lib/Models/PayrollAu/SuperLine.php            |   53 +-
 lib/Models/PayrollAu/SuperMembership.php      |   28 +-
 .../SuperannuationCalculationType.php         |    4 +-
 .../SuperannuationContributionType.php        |    4 +-
 lib/Models/PayrollAu/SuperannuationLine.php   |   58 +-
 lib/Models/PayrollAu/TFNExemptionType.php     |    4 +-
 lib/Models/PayrollAu/TaxDeclaration.php       |   93 +-
 lib/Models/PayrollAu/TaxLine.php              |   43 +-
 lib/Models/PayrollAu/Timesheet.php            |   58 +-
 lib/Models/PayrollAu/TimesheetLine.php        |   33 +-
 lib/Models/PayrollAu/TimesheetObject.php      |    8 +-
 lib/Models/PayrollAu/TimesheetStatus.php      |    4 +-
 lib/Models/PayrollAu/Timesheets.php           |    8 +-
 lib/Models/PayrollAu/ValidationError.php      |    8 +-
 lib/Models/PayrollNz/Account.php              |   33 +-
 lib/Models/PayrollNz/Accounts.php             |    8 +-
 lib/Models/PayrollNz/Address.php              |   43 +-
 lib/Models/PayrollNz/BankAccount.php          |   53 +-
 lib/Models/PayrollNz/Benefit.php              |   63 +-
 lib/Models/PayrollNz/CalendarType.php         |    4 +-
 lib/Models/PayrollNz/Deduction.php            |   43 +-
 lib/Models/PayrollNz/DeductionLine.php        |   38 +-
 lib/Models/PayrollNz/DeductionObject.php      |   28 +-
 lib/Models/PayrollNz/Deductions.php           |   28 +-
 lib/Models/PayrollNz/EarningsLine.php         |   63 +-
 lib/Models/PayrollNz/EarningsOrder.php        |   38 +-
 lib/Models/PayrollNz/EarningsOrderObject.php  |   28 +-
 lib/Models/PayrollNz/EarningsOrders.php       |   28 +-
 lib/Models/PayrollNz/EarningsRate.php         |   63 +-
 lib/Models/PayrollNz/EarningsRateObject.php   |   28 +-
 lib/Models/PayrollNz/EarningsRates.php        |   28 +-
 lib/Models/PayrollNz/EarningsTemplate.php     |   43 +-
 .../PayrollNz/EarningsTemplateObject.php      |   28 +-
 lib/Models/PayrollNz/Employee.php             |   83 +-
 .../PayrollNz/EmployeeEarningsTemplates.php   |   28 +-
 lib/Models/PayrollNz/EmployeeLeave.php        |   48 +-
 lib/Models/PayrollNz/EmployeeLeaveBalance.php |   33 +-
 .../PayrollNz/EmployeeLeaveBalances.php       |   28 +-
 lib/Models/PayrollNz/EmployeeLeaveObject.php  |   28 +-
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 .../PayrollNz/EmployeeLeaveSetupObject.php    |   28 +-
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 .../PayrollNz/EmployeeLeaveTypeObject.php     |   28 +-
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 lib/Models/PayrollNz/EmployeeObject.php       |   28 +-
 .../PayrollNz/EmployeeOpeningBalance.php      |   33 +-
 .../EmployeeOpeningBalancesObject.php         |   28 +-
 lib/Models/PayrollNz/EmployeePayTemplate.php  |   23 +-
 .../PayrollNz/EmployeePayTemplateObject.php   |   28 +-
 lib/Models/PayrollNz/EmployeePayTemplates.php |   28 +-
 .../EmployeeStatutoryLeaveBalance.php         |   28 +-
 .../EmployeeStatutoryLeaveBalanceObject.php   |   28 +-
 .../EmployeeStatutoryLeaveSummary.php         |   48 +-
 .../EmployeeStatutoryLeavesSummaries.php      |   28 +-
 .../PayrollNz/EmployeeStatutorySickLeave.php  |   93 +-
 .../EmployeeStatutorySickLeaveObject.php      |   28 +-
 .../PayrollNz/EmployeeStatutorySickLeaves.php |   28 +-
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 lib/Models/PayrollNz/Employees.php            |   28 +-
 lib/Models/PayrollNz/Employment.php           |   28 +-
 lib/Models/PayrollNz/EmploymentObject.php     |   28 +-
 lib/Models/PayrollNz/GrossEarningsHistory.php |   23 +-
 lib/Models/PayrollNz/InvalidField.php         |   23 +-
 lib/Models/PayrollNz/LeaveAccrualLine.php     |   23 +-
 lib/Models/PayrollNz/LeaveEarningsLine.php    |   63 +-
 lib/Models/PayrollNz/LeavePeriod.php          |   33 +-
 lib/Models/PayrollNz/LeavePeriods.php         |   28 +-
 lib/Models/PayrollNz/LeaveType.php            |   43 +-
 lib/Models/PayrollNz/LeaveTypeObject.php      |   28 +-
 lib/Models/PayrollNz/LeaveTypes.php           |   28 +-
 lib/Models/PayrollNz/ModelInterface.php       |    2 +-
 lib/Models/PayrollNz/Pagination.php           |   33 +-
 lib/Models/PayrollNz/PayRun.php               |   73 +-
 lib/Models/PayrollNz/PayRunCalendar.php       |   48 +-
 lib/Models/PayrollNz/PayRunCalendarObject.php |   28 +-
 lib/Models/PayrollNz/PayRunCalendars.php      |   28 +-
 lib/Models/PayrollNz/PayRunObject.php         |   28 +-
 lib/Models/PayrollNz/PayRuns.php              |   28 +-
 lib/Models/PayrollNz/PaySlip.php              |  163 +-
 lib/Models/PayrollNz/PaySlipObject.php        |   28 +-
 lib/Models/PayrollNz/PaySlips.php             |   28 +-
 lib/Models/PayrollNz/PaymentLine.php          |   38 +-
 lib/Models/PayrollNz/PaymentMethod.php        |   23 +-
 lib/Models/PayrollNz/PaymentMethodObject.php  |   28 +-
 lib/Models/PayrollNz/Problem.php              |   43 +-
 lib/Models/PayrollNz/Reimbursement.php        |   58 +-
 lib/Models/PayrollNz/ReimbursementLine.php    |   38 +-
 lib/Models/PayrollNz/ReimbursementObject.php  |   28 +-
 lib/Models/PayrollNz/Reimbursements.php       |   28 +-
 lib/Models/PayrollNz/SalaryAndWage.php        |   63 +-
 lib/Models/PayrollNz/SalaryAndWageObject.php  |   28 +-
 lib/Models/PayrollNz/SalaryAndWages.php       |   28 +-
 lib/Models/PayrollNz/Settings.php             |   28 +-
 lib/Models/PayrollNz/StatutoryDeduction.php   |   38 +-
 .../PayrollNz/StatutoryDeductionCategory.php  |    4 +-
 .../PayrollNz/StatutoryDeductionLine.php      |   33 +-
 .../PayrollNz/StatutoryDeductionObject.php    |   28 +-
 lib/Models/PayrollNz/StatutoryDeductions.php  |   28 +-
 lib/Models/PayrollNz/SuperannuationLine.php   |   43 +-
 lib/Models/PayrollNz/SuperannuationObject.php |   28 +-
 lib/Models/PayrollNz/Superannuations.php      |   28 +-
 lib/Models/PayrollNz/TaxCode.php              |    4 +-
 lib/Models/PayrollNz/TaxLine.php              |   38 +-
 lib/Models/PayrollNz/TaxSettings.php          |   43 +-
 lib/Models/PayrollNz/Timesheet.php            |   58 +-
 .../PayrollNz/TimesheetEarningsLine.php       |   63 +-
 lib/Models/PayrollNz/TimesheetLine.php        |   38 +-
 lib/Models/PayrollNz/TimesheetLineObject.php  |   28 +-
 lib/Models/PayrollNz/TimesheetObject.php      |   28 +-
 lib/Models/PayrollNz/Timesheets.php           |   28 +-
 lib/Models/PayrollNz/TrackingCategories.php   |   28 +-
 lib/Models/PayrollNz/TrackingCategory.php     |   23 +-
 lib/Models/PayrollUk/Account.php              |   33 +-
 lib/Models/PayrollUk/Accounts.php             |    8 +-
 lib/Models/PayrollUk/Address.php              |   38 +-
 lib/Models/PayrollUk/BankAccount.php          |   28 +-
 lib/Models/PayrollUk/Benefit.php              |   83 +-
 lib/Models/PayrollUk/BenefitLine.php          |   38 +-
 lib/Models/PayrollUk/BenefitObject.php        |   28 +-
 lib/Models/PayrollUk/Benefits.php             |   28 +-
 lib/Models/PayrollUk/CourtOrderLine.php       |   23 +-
 lib/Models/PayrollUk/Deduction.php            |   93 +-
 lib/Models/PayrollUk/DeductionLine.php        |   33 +-
 lib/Models/PayrollUk/DeductionObject.php      |   28 +-
 lib/Models/PayrollUk/Deductions.php           |   28 +-
 lib/Models/PayrollUk/EarningsLine.php         |   58 +-
 lib/Models/PayrollUk/EarningsOrder.php        |   38 +-
 lib/Models/PayrollUk/EarningsOrderObject.php  |   28 +-
 lib/Models/PayrollUk/EarningsOrders.php       |   28 +-
 lib/Models/PayrollUk/EarningsRate.php         |   63 +-
 lib/Models/PayrollUk/EarningsRateObject.php   |   28 +-
 lib/Models/PayrollUk/EarningsRates.php        |   28 +-
 lib/Models/PayrollUk/EarningsTemplate.php     |   43 +-
 .../PayrollUk/EarningsTemplateObject.php      |   28 +-
 lib/Models/PayrollUk/Employee.php             |   93 +-
 lib/Models/PayrollUk/EmployeeLeave.php        |   48 +-
 lib/Models/PayrollUk/EmployeeLeaveBalance.php |   33 +-
 .../PayrollUk/EmployeeLeaveBalances.php       |   28 +-
 lib/Models/PayrollUk/EmployeeLeaveObject.php  |   28 +-
 lib/Models/PayrollUk/EmployeeLeaveType.php    |   43 +-
 .../PayrollUk/EmployeeLeaveTypeObject.php     |   28 +-
 lib/Models/PayrollUk/EmployeeLeaveTypes.php   |   28 +-
 lib/Models/PayrollUk/EmployeeLeaves.php       |   28 +-
 lib/Models/PayrollUk/EmployeeObject.php       |   28 +-
 .../PayrollUk/EmployeeOpeningBalances.php     |   43 +-
 .../EmployeeOpeningBalancesObject.php         |   28 +-
 lib/Models/PayrollUk/EmployeePayTemplate.php  |   23 +-
 .../PayrollUk/EmployeePayTemplateObject.php   |   28 +-
 lib/Models/PayrollUk/EmployeePayTemplates.php |   28 +-
 .../EmployeeStatutoryLeaveBalance.php         |   28 +-
 .../EmployeeStatutoryLeaveBalanceObject.php   |   28 +-
 .../EmployeeStatutoryLeaveSummary.php         |   48 +-
 .../EmployeeStatutoryLeavesSummaries.php      |   28 +-
 .../PayrollUk/EmployeeStatutorySickLeave.php  |   93 +-
 .../EmployeeStatutorySickLeaveObject.php      |   28 +-
 .../PayrollUk/EmployeeStatutorySickLeaves.php |   28 +-
 lib/Models/PayrollUk/EmployeeTax.php          |   68 +-
 lib/Models/PayrollUk/EmployeeTaxObject.php    |   28 +-
 lib/Models/PayrollUk/Employees.php            |   28 +-
 lib/Models/PayrollUk/Employment.php           |   47 +-
 lib/Models/PayrollUk/EmploymentObject.php     |   28 +-
 lib/Models/PayrollUk/InvalidField.php         |   23 +-
 lib/Models/PayrollUk/LeaveAccrualLine.php     |   23 +-
 lib/Models/PayrollUk/LeaveEarningsLine.php    |   43 +-
 lib/Models/PayrollUk/LeavePeriod.php          |   33 +-
 lib/Models/PayrollUk/LeavePeriods.php         |   28 +-
 lib/Models/PayrollUk/LeaveType.php            |   53 +-
 lib/Models/PayrollUk/LeaveTypeObject.php      |   28 +-
 lib/Models/PayrollUk/LeaveTypes.php           |   28 +-
 lib/Models/PayrollUk/ModelInterface.php       |    2 +-
 lib/Models/PayrollUk/Pagination.php           |   33 +-
 lib/Models/PayrollUk/PayRun.php               |   73 +-
 lib/Models/PayrollUk/PayRunCalendar.php       |   48 +-
 lib/Models/PayrollUk/PayRunCalendarObject.php |   28 +-
 lib/Models/PayrollUk/PayRunCalendars.php      |   28 +-
 lib/Models/PayrollUk/PayRunObject.php         |   28 +-
 lib/Models/PayrollUk/PayRuns.php              |   28 +-
 lib/Models/PayrollUk/PaymentLine.php          |   38 +-
 lib/Models/PayrollUk/PaymentMethod.php        |   23 +-
 lib/Models/PayrollUk/PaymentMethodObject.php  |   28 +-
 lib/Models/PayrollUk/Payslip.php              |  153 +-
 lib/Models/PayrollUk/PayslipObject.php        |   28 +-
 lib/Models/PayrollUk/Payslips.php             |   28 +-
 lib/Models/PayrollUk/Problem.php              |   43 +-
 lib/Models/PayrollUk/Reimbursement.php        |   33 +-
 lib/Models/PayrollUk/ReimbursementLine.php    |   28 +-
 lib/Models/PayrollUk/ReimbursementObject.php  |   28 +-
 lib/Models/PayrollUk/Reimbursements.php       |   28 +-
 lib/Models/PayrollUk/SalaryAndWage.php        |   58 +-
 lib/Models/PayrollUk/SalaryAndWageObject.php  |   28 +-
 lib/Models/PayrollUk/SalaryAndWages.php       |   28 +-
 lib/Models/PayrollUk/Settings.php             |   28 +-
 lib/Models/PayrollUk/StatutoryDeduction.php   |   38 +-
 .../PayrollUk/StatutoryDeductionCategory.php  |    4 +-
 lib/Models/PayrollUk/TaxLine.php              |   43 +-
 lib/Models/PayrollUk/Timesheet.php            |   58 +-
 .../PayrollUk/TimesheetEarningsLine.php       |   43 +-
 lib/Models/PayrollUk/TimesheetLine.php        |   38 +-
 lib/Models/PayrollUk/TimesheetLineObject.php  |   28 +-
 lib/Models/PayrollUk/TimesheetObject.php      |   28 +-
 lib/Models/PayrollUk/Timesheets.php           |   28 +-
 lib/Models/PayrollUk/TrackingCategories.php   |   28 +-
 lib/Models/PayrollUk/TrackingCategory.php     |   23 +-
 lib/Models/Project/Amount.php                 |   23 +-
 lib/Models/Project/ChargeType.php             |    4 +-
 lib/Models/Project/CurrencyCode.php           |    4 +-
 lib/Models/Project/Error.php                  |   23 +-
 lib/Models/Project/ModelInterface.php         |    2 +-
 lib/Models/Project/Pagination.php             |   33 +-
 lib/Models/Project/Project.php                |  123 +-
 lib/Models/Project/ProjectCreateOrUpdate.php  |   33 +-
 lib/Models/Project/ProjectPatch.php           |    8 +-
 lib/Models/Project/ProjectStatus.php          |    4 +-
 lib/Models/Project/ProjectUser.php            |   28 +-
 lib/Models/Project/ProjectUsers.php           |   23 +-
 lib/Models/Project/Projects.php               |   23 +-
 lib/Models/Project/Task.php                   |   88 +-
 lib/Models/Project/TaskCreateOrUpdate.php     |   35 +-
 lib/Models/Project/Tasks.php                  |   23 +-
 lib/Models/Project/TimeEntries.php            |   23 +-
 lib/Models/Project/TimeEntry.php              |   58 +-
 .../Project/TimeEntryCreateOrUpdate.php       |   38 +-
 lib/PayrollAuObjectSerializer.php             |    6 +-
 lib/PayrollNzObjectSerializer.php             |    6 +-
 lib/PayrollUkObjectSerializer.php             |    6 +-
 lib/ProjectObjectSerializer.php               |    6 +-
 541 files changed, 9291 insertions(+), 16517 deletions(-)

diff --git a/docs/v2/accounting/index.html b/docs/v2/accounting/index.html
index 94227cc2..b880ca70 100644
--- a/docs/v2/accounting/index.html
+++ b/docs/v2/accounting/index.html
@@ -6007,7 +6007,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Accounting"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Accounting"><strong>VSN: </strong>2.12.1</li>
+              <li class="nav-header" data-group="Accounting"><strong>VSN: </strong>2.12.2</li>
               <li class="nav-header" data-group="Accounting"><a href="#api-Accounting">Methods</a></li>
               <li data-group="Accounting" data-name="createAccount" class="">
                 <a href="#api-Accounting-createAccount">createAccount</a>
@@ -9355,7 +9355,7 @@ <h2>Parameters</h2>
       "schema" : {
         "$ref" : "#/components/schemas/Contacts"
       },
-      "example" : "{ \"Id\": \"e997d6d7-6dad-4458-beb8-d9c1bf7f2edf\", \"Status\": \"OK\", \"ProviderName\": \"Xero API Partner\", \"DateTimeUTC\": \"/Date(1551399321121)/\", \"Contacts\": [ { \"ContactID\": \"3ff6d40c-af9a-40a3-89ce-3c1556a25591\", \"ContactStatus\": \"ACTIVE\", \"Name\": \"Foo9987\", \"EmailAddress\": \"sid32476@blah.com\", \"BankAccountDetails\": \"\", \"Addresses\": [ { \"AddressType\": \"STREET\", \"City\": \"\", \"Region\": \"\", \"PostalCode\": \"\", \"Country\": \"\" }, { \"AddressType\": \"POBOX\", \"City\": \"\", \"Region\": \"\", \"PostalCode\": \"\", \"Country\": \"\" } ], \"Phones\": [ { \"PhoneType\": \"DEFAULT\", \"PhoneNumber\": \"\", \"PhoneAreaCode\": \"\", \"PhoneCountryCode\": \"\" }, { \"PhoneType\": \"DDI\", \"PhoneNumber\": \"\", \"PhoneAreaCode\": \"\", \"PhoneCountryCode\": \"\" }, { \"PhoneType\": \"FAX\", \"PhoneNumber\": \"\", \"PhoneAreaCode\": \"\", \"PhoneCountryCode\": \"\" }, { \"PhoneType\": \"MOBILE\", \"PhoneNumber\": \"555-1212\", \"PhoneAreaCode\": \"415\", \"PhoneCountryCode\": \"\" } ], \"UpdatedDateUTC\": \"/Date(1551399321043+0000)/\", \"ContactGroups\": [], \"IsSupplier\": false, \"IsCustomer\": false, \"SalesTrackingCategories\": [], \"PurchasesTrackingCategories\": [], \"PaymentTerms\": { \"Bills\": { \"Day\": 15, \"Type\": \"OFCURRENTMONTH\" }, \"Sales\": { \"Day\": 10, \"Type\": \"DAYSAFTERBILLMONTH\" } }, \"ContactPersons\": [], \"HasValidationErrors\": false } ] }"
+      "example" : "{ \"Contacts\": [ { \"ContactID\": \"3ff6d40c-af9a-40a3-89ce-3c1556a25591\", \"ContactStatus\": \"ACTIVE\", \"Name\": \"Foo9987\", \"EmailAddress\": \"sid32476@blah.com\", \"BankAccountDetails\": \"\", \"Addresses\": [ { \"AddressType\": \"STREET\", \"City\": \"\", \"Region\": \"\", \"PostalCode\": \"\", \"Country\": \"\" }, { \"AddressType\": \"POBOX\", \"City\": \"\", \"Region\": \"\", \"PostalCode\": \"\", \"Country\": \"\" } ], \"Phones\": [ { \"PhoneType\": \"DEFAULT\", \"PhoneNumber\": \"\", \"PhoneAreaCode\": \"\", \"PhoneCountryCode\": \"\" }, { \"PhoneType\": \"DDI\", \"PhoneNumber\": \"\", \"PhoneAreaCode\": \"\", \"PhoneCountryCode\": \"\" }, { \"PhoneType\": \"FAX\", \"PhoneNumber\": \"\", \"PhoneAreaCode\": \"\", \"PhoneCountryCode\": \"\" }, { \"PhoneType\": \"MOBILE\", \"PhoneNumber\": \"555-1212\", \"PhoneAreaCode\": \"415\", \"PhoneCountryCode\": \"\" } ], \"UpdatedDateUTC\": \"/Date(1551399321043+0000)/\", \"ContactGroups\": [], \"IsSupplier\": false, \"IsCustomer\": false, \"SalesTrackingCategories\": [], \"PurchasesTrackingCategories\": [], \"PaymentTerms\": { \"Bills\": { \"Day\": 15, \"Type\": \"OFCURRENTMONTH\" }, \"Sales\": { \"Day\": 10, \"Type\": \"DAYSAFTERBILLMONTH\" } }, \"ContactPersons\": [] } ] }"
     }
   },
   "required" : true
diff --git a/docs/v2/appstore/index.html b/docs/v2/appstore/index.html
index 318d6e1e..3041169f 100644
--- a/docs/v2/appstore/index.html
+++ b/docs/v2/appstore/index.html
@@ -1132,7 +1132,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="AppStore"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="AppStore"><strong>VSN: </strong>2.12.1</li>
+              <li class="nav-header" data-group="AppStore"><strong>VSN: </strong>2.12.2</li>
               <li class="nav-header" data-group="AppStore"><a href="#api-AppStore">Methods</a></li>
               <li data-group="AppStore" data-name="getSubscription" class="">
                 <a href="#api-AppStore-getSubscription">getSubscription</a>
diff --git a/docs/v2/assets/index.html b/docs/v2/assets/index.html
index 2d5b128d..2f57ff16 100644
--- a/docs/v2/assets/index.html
+++ b/docs/v2/assets/index.html
@@ -1009,7 +1009,8 @@
       "example" : 33
     }
   },
-  "description" : ""
+  "description" : "",
+  "x-snake" : "asset_type"
 };
       defs["Assets"] = {
   "title" : "",
@@ -1390,7 +1391,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Asset"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Asset"><strong>VSN: </strong>2.12.1</li>
+              <li class="nav-header" data-group="Asset"><strong>VSN: </strong>2.12.2</li>
               <li class="nav-header" data-group="Asset"><a href="#api-Asset">Methods</a></li>
               <li data-group="Asset" data-name="createAsset" class="">
                 <a href="#api-Asset-createAsset">createAsset</a>
diff --git a/docs/v2/files/index.html b/docs/v2/files/index.html
index 471b189a..cb9f1bb6 100644
--- a/docs/v2/files/index.html
+++ b/docs/v2/files/index.html
@@ -1154,7 +1154,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Files"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Files"><strong>VSN: </strong>2.12.1</li>
+              <li class="nav-header" data-group="Files"><strong>VSN: </strong>2.12.2</li>
               <li class="nav-header" data-group="Files"><a href="#api-Files">Methods</a></li>
               <li data-group="Files" data-name="createFileAssociation" class="">
                 <a href="#api-Files-createFileAssociation">createFileAssociation</a>
diff --git a/docs/v2/finance/index.html b/docs/v2/finance/index.html
index 1d954134..277c8263 100644
--- a/docs/v2/finance/index.html
+++ b/docs/v2/finance/index.html
@@ -2705,7 +2705,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Finance"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Finance"><strong>VSN: </strong>2.12.1</li>
+              <li class="nav-header" data-group="Finance"><strong>VSN: </strong>2.12.2</li>
               <li class="nav-header" data-group="Finance"><a href="#api-Finance">Methods</a></li>
               <li data-group="Finance" data-name="getAccountingActivityAccountUsage" class="">
                 <a href="#api-Finance-getAccountingActivityAccountUsage">getAccountingActivityAccountUsage</a>
diff --git a/docs/v2/payroll_au/index.html b/docs/v2/payroll_au/index.html
index 309dd23f..05d9c448 100644
--- a/docs/v2/payroll_au/index.html
+++ b/docs/v2/payroll_au/index.html
@@ -3253,7 +3253,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="PayrollAu"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="PayrollAu"><strong>VSN: </strong>2.12.1</li>
+              <li class="nav-header" data-group="PayrollAu"><strong>VSN: </strong>2.12.2</li>
               <li class="nav-header" data-group="PayrollAu"><a href="#api-PayrollAu">Methods</a></li>
               <li data-group="PayrollAu" data-name="createEmployee" class="">
                 <a href="#api-PayrollAu-createEmployee">createEmployee</a>
diff --git a/docs/v2/payroll_nz/index.html b/docs/v2/payroll_nz/index.html
index 1a4ffe4a..b98f2040 100644
--- a/docs/v2/payroll_nz/index.html
+++ b/docs/v2/payroll_nz/index.html
@@ -3837,7 +3837,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="PayrollNz"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="PayrollNz"><strong>VSN: </strong>2.12.1</li>
+              <li class="nav-header" data-group="PayrollNz"><strong>VSN: </strong>2.12.2</li>
               <li class="nav-header" data-group="PayrollNz"><a href="#api-PayrollNz">Methods</a></li>
               <li data-group="PayrollNz" data-name="approveTimesheet" class="">
                 <a href="#api-PayrollNz-approveTimesheet">approveTimesheet</a>
diff --git a/docs/v2/payroll_uk/index.html b/docs/v2/payroll_uk/index.html
index e8084c70..e62272b7 100644
--- a/docs/v2/payroll_uk/index.html
+++ b/docs/v2/payroll_uk/index.html
@@ -2278,7 +2278,7 @@
       "type" : "string",
       "description" : "The NI Category of the employee",
       "example" : "A",
-      "enum" : [ "A", "B", "C", "H", "J", "M", "Z", "X" ]
+      "enum" : [ "A", "B", "C", "F", "H", "I", "J", "L", "M", "S", "V", "X", "Z" ]
     }
   },
   "description" : ""
@@ -3509,7 +3509,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="PayrollUk"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="PayrollUk"><strong>VSN: </strong>2.12.1</li>
+              <li class="nav-header" data-group="PayrollUk"><strong>VSN: </strong>2.12.2</li>
               <li class="nav-header" data-group="PayrollUk"><a href="#api-PayrollUk">Methods</a></li>
               <li data-group="PayrollUk" data-name="approveTimesheet" class="">
                 <a href="#api-PayrollUk-approveTimesheet">approveTimesheet</a>
diff --git a/docs/v2/projects/index.html b/docs/v2/projects/index.html
index 16ab74f1..6df59dae 100644
--- a/docs/v2/projects/index.html
+++ b/docs/v2/projects/index.html
@@ -1467,7 +1467,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Project"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Project"><strong>VSN: </strong>2.12.1</li>
+              <li class="nav-header" data-group="Project"><strong>VSN: </strong>2.12.2</li>
               <li class="nav-header" data-group="Project"><a href="#api-Project">Methods</a></li>
               <li data-group="Project" data-name="createProject" class="">
                 <a href="#api-Project-createProject">createProject</a>
diff --git a/lib/AccountingObjectSerializer.php b/lib/AccountingObjectSerializer.php
index d41e47e1..ef45f024 100644
--- a/lib/AccountingObjectSerializer.php
+++ b/lib/AccountingObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {
diff --git a/lib/Api/AccountingApi.php b/lib/Api/AccountingApi.php
index 9e07c097..72a01c81 100644
--- a/lib/Api/AccountingApi.php
+++ b/lib/Api/AccountingApi.php
@@ -14,10 +14,10 @@
  *
  * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
  *
- * OpenAPI spec version: 2.19.3
+ * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
@@ -94,9 +94,9 @@ public function getConfig()
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Accounts|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createAccount($xero_tenant_id, $account)
+    public function createAccount($xero_tenant_id$account)
     {
-        list($response) = $this->createAccountWithHttpInfo($xero_tenant_id, $account);
+        list($response) = $this->createAccountWithHttpInfo($xero_tenant_id$account);
         return $response;
     }
     /**
@@ -108,9 +108,9 @@ public function createAccount($xero_tenant_id, $account)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Accounts|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createAccountWithHttpInfo($xero_tenant_id, $account)
+    public function createAccountWithHttpInfo($xero_tenant_id$account)
     {
-        $request = $this->createAccountRequest($xero_tenant_id, $account);
+        $request = $this->createAccountRequest($xero_tenant_id$account);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -203,9 +203,9 @@ public function createAccountWithHttpInfo($xero_tenant_id, $account)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createAccountAsync($xero_tenant_id, $account)
+    public function createAccountAsync($xero_tenant_id$account)
     {
-        return $this->createAccountAsyncWithHttpInfo($xero_tenant_id, $account)
+        return $this->createAccountAsyncWithHttpInfo($xero_tenant_id$account)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -219,10 +219,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Account $account Account object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createAccountAsyncWithHttpInfo($xero_tenant_id, $account)
+    public function createAccountAsyncWithHttpInfo($xero_tenant_id$account)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Accounts';
-        $request = $this->createAccountRequest($xero_tenant_id, $account);
+        $request = $this->createAccountRequest($xero_tenant_id$account);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -262,7 +262,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Account $account Account object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createAccountRequest($xero_tenant_id, $account)
+    protected function createAccountRequest($xero_tenant_id$account)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -360,9 +360,9 @@ protected function createAccountRequest($xero_tenant_id, $account)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createAccountAttachmentByFileName($xero_tenant_id, $account_id, $file_name, $body)
+    public function createAccountAttachmentByFileName($xero_tenant_id$account_id$file_name$body)
     {
-        list($response) = $this->createAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id, $account_id, $file_name, $body);
+        list($response) = $this->createAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id$account_id$file_name$body);
         return $response;
     }
     /**
@@ -376,9 +376,9 @@ public function createAccountAttachmentByFileName($xero_tenant_id, $account_id,
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id, $account_id, $file_name, $body)
+    public function createAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id$account_id$file_name$body)
     {
-        $request = $this->createAccountAttachmentByFileNameRequest($xero_tenant_id, $account_id, $file_name, $body);
+        $request = $this->createAccountAttachmentByFileNameRequest($xero_tenant_id$account_id$file_name$body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -473,9 +473,9 @@ public function createAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createAccountAttachmentByFileNameAsync($xero_tenant_id, $account_id, $file_name, $body)
+    public function createAccountAttachmentByFileNameAsync($xero_tenant_id$account_id$file_name$body)
     {
-        return $this->createAccountAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $account_id, $file_name, $body)
+        return $this->createAccountAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$account_id$file_name$body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -491,10 +491,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createAccountAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $account_id, $file_name, $body)
+    public function createAccountAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$account_id$file_name$body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->createAccountAttachmentByFileNameRequest($xero_tenant_id, $account_id, $file_name, $body);
+        $request = $this->createAccountAttachmentByFileNameRequest($xero_tenant_id$account_id$file_name$body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -536,7 +536,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createAccountAttachmentByFileNameRequest($xero_tenant_id, $account_id, $file_name, $body)
+    protected function createAccountAttachmentByFileNameRequest($xero_tenant_id$account_id$file_name$body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -662,9 +662,9 @@ protected function createAccountAttachmentByFileNameRequest($xero_tenant_id, $ac
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createBankTransactionAttachmentByFileName($xero_tenant_id, $bank_transaction_id, $file_name, $body)
+    public function createBankTransactionAttachmentByFileName($xero_tenant_id$bank_transaction_id$file_name$body)
     {
-        list($response) = $this->createBankTransactionAttachmentByFileNameWithHttpInfo($xero_tenant_id, $bank_transaction_id, $file_name, $body);
+        list($response) = $this->createBankTransactionAttachmentByFileNameWithHttpInfo($xero_tenant_id$bank_transaction_id$file_name$body);
         return $response;
     }
     /**
@@ -678,9 +678,9 @@ public function createBankTransactionAttachmentByFileName($xero_tenant_id, $bank
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createBankTransactionAttachmentByFileNameWithHttpInfo($xero_tenant_id, $bank_transaction_id, $file_name, $body)
+    public function createBankTransactionAttachmentByFileNameWithHttpInfo($xero_tenant_id$bank_transaction_id$file_name$body)
     {
-        $request = $this->createBankTransactionAttachmentByFileNameRequest($xero_tenant_id, $bank_transaction_id, $file_name, $body);
+        $request = $this->createBankTransactionAttachmentByFileNameRequest($xero_tenant_id$bank_transaction_id$file_name$body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -775,9 +775,9 @@ public function createBankTransactionAttachmentByFileNameWithHttpInfo($xero_tena
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createBankTransactionAttachmentByFileNameAsync($xero_tenant_id, $bank_transaction_id, $file_name, $body)
+    public function createBankTransactionAttachmentByFileNameAsync($xero_tenant_id$bank_transaction_id$file_name$body)
     {
-        return $this->createBankTransactionAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $file_name, $body)
+        return $this->createBankTransactionAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$file_name$body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -793,10 +793,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createBankTransactionAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $file_name, $body)
+    public function createBankTransactionAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$file_name$body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->createBankTransactionAttachmentByFileNameRequest($xero_tenant_id, $bank_transaction_id, $file_name, $body);
+        $request = $this->createBankTransactionAttachmentByFileNameRequest($xero_tenant_id$bank_transaction_id$file_name$body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -838,7 +838,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createBankTransactionAttachmentByFileNameRequest($xero_tenant_id, $bank_transaction_id, $file_name, $body)
+    protected function createBankTransactionAttachmentByFileNameRequest($xero_tenant_id$bank_transaction_id$file_name$body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -963,9 +963,9 @@ protected function createBankTransactionAttachmentByFileNameRequest($xero_tenant
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createBankTransactionHistoryRecord($xero_tenant_id, $bank_transaction_id, $history_records)
+    public function createBankTransactionHistoryRecord($xero_tenant_id$bank_transaction_id$history_records)
     {
-        list($response) = $this->createBankTransactionHistoryRecordWithHttpInfo($xero_tenant_id, $bank_transaction_id, $history_records);
+        list($response) = $this->createBankTransactionHistoryRecordWithHttpInfo($xero_tenant_id$bank_transaction_id$history_records);
         return $response;
     }
     /**
@@ -978,9 +978,9 @@ public function createBankTransactionHistoryRecord($xero_tenant_id, $bank_transa
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createBankTransactionHistoryRecordWithHttpInfo($xero_tenant_id, $bank_transaction_id, $history_records)
+    public function createBankTransactionHistoryRecordWithHttpInfo($xero_tenant_id$bank_transaction_id$history_records)
     {
-        $request = $this->createBankTransactionHistoryRecordRequest($xero_tenant_id, $bank_transaction_id, $history_records);
+        $request = $this->createBankTransactionHistoryRecordRequest($xero_tenant_id$bank_transaction_id$history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1074,9 +1074,9 @@ public function createBankTransactionHistoryRecordWithHttpInfo($xero_tenant_id,
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createBankTransactionHistoryRecordAsync($xero_tenant_id, $bank_transaction_id, $history_records)
+    public function createBankTransactionHistoryRecordAsync($xero_tenant_id$bank_transaction_id$history_records)
     {
-        return $this->createBankTransactionHistoryRecordAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $history_records)
+        return $this->createBankTransactionHistoryRecordAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1091,10 +1091,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createBankTransactionHistoryRecordAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $history_records)
+    public function createBankTransactionHistoryRecordAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createBankTransactionHistoryRecordRequest($xero_tenant_id, $bank_transaction_id, $history_records);
+        $request = $this->createBankTransactionHistoryRecordRequest($xero_tenant_id$bank_transaction_id$history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1135,7 +1135,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createBankTransactionHistoryRecordRequest($xero_tenant_id, $bank_transaction_id, $history_records)
+    protected function createBankTransactionHistoryRecordRequest($xero_tenant_id$bank_transaction_id$history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1247,9 +1247,9 @@ protected function createBankTransactionHistoryRecordRequest($xero_tenant_id, $b
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\BankTransactions|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createBankTransactions($xero_tenant_id, $bank_transactions, $summarize_errors = false, $unitdp = null)
+    public function createBankTransactions($xero_tenant_id$bank_transactions$summarize_errors = false$unitdp = null)
     {
-        list($response) = $this->createBankTransactionsWithHttpInfo($xero_tenant_id, $bank_transactions, $summarize_errors, $unitdp);
+        list($response) = $this->createBankTransactionsWithHttpInfo($xero_tenant_id$bank_transactions$summarize_errors$unitdp);
         return $response;
     }
     /**
@@ -1263,9 +1263,9 @@ public function createBankTransactions($xero_tenant_id, $bank_transactions, $sum
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\BankTransactions|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createBankTransactionsWithHttpInfo($xero_tenant_id, $bank_transactions, $summarize_errors = false, $unitdp = null)
+    public function createBankTransactionsWithHttpInfo($xero_tenant_id$bank_transactions$summarize_errors = false$unitdp = null)
     {
-        $request = $this->createBankTransactionsRequest($xero_tenant_id, $bank_transactions, $summarize_errors, $unitdp);
+        $request = $this->createBankTransactionsRequest($xero_tenant_id$bank_transactions$summarize_errors$unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1360,9 +1360,9 @@ public function createBankTransactionsWithHttpInfo($xero_tenant_id, $bank_transa
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createBankTransactionsAsync($xero_tenant_id, $bank_transactions, $summarize_errors = false, $unitdp = null)
+    public function createBankTransactionsAsync($xero_tenant_id$bank_transactions$summarize_errors = false$unitdp = null)
     {
-        return $this->createBankTransactionsAsyncWithHttpInfo($xero_tenant_id, $bank_transactions, $summarize_errors, $unitdp)
+        return $this->createBankTransactionsAsyncWithHttpInfo($xero_tenant_id$bank_transactions$summarize_errors$unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1378,10 +1378,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createBankTransactionsAsyncWithHttpInfo($xero_tenant_id, $bank_transactions, $summarize_errors = false, $unitdp = null)
+    public function createBankTransactionsAsyncWithHttpInfo($xero_tenant_id$bank_transactions$summarize_errors = false$unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\BankTransactions';
-        $request = $this->createBankTransactionsRequest($xero_tenant_id, $bank_transactions, $summarize_errors, $unitdp);
+        $request = $this->createBankTransactionsRequest($xero_tenant_id$bank_transactions$summarize_errors$unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1423,7 +1423,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createBankTransactionsRequest($xero_tenant_id, $bank_transactions, $summarize_errors = false, $unitdp = null)
+    protected function createBankTransactionsRequest($xero_tenant_id$bank_transactions$summarize_errors = false$unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1527,9 +1527,9 @@ protected function createBankTransactionsRequest($xero_tenant_id, $bank_transact
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\BankTransfers|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createBankTransfer($xero_tenant_id, $bank_transfers)
+    public function createBankTransfer($xero_tenant_id$bank_transfers)
     {
-        list($response) = $this->createBankTransferWithHttpInfo($xero_tenant_id, $bank_transfers);
+        list($response) = $this->createBankTransferWithHttpInfo($xero_tenant_id$bank_transfers);
         return $response;
     }
     /**
@@ -1541,9 +1541,9 @@ public function createBankTransfer($xero_tenant_id, $bank_transfers)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\BankTransfers|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createBankTransferWithHttpInfo($xero_tenant_id, $bank_transfers)
+    public function createBankTransferWithHttpInfo($xero_tenant_id$bank_transfers)
     {
-        $request = $this->createBankTransferRequest($xero_tenant_id, $bank_transfers);
+        $request = $this->createBankTransferRequest($xero_tenant_id$bank_transfers);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1636,9 +1636,9 @@ public function createBankTransferWithHttpInfo($xero_tenant_id, $bank_transfers)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createBankTransferAsync($xero_tenant_id, $bank_transfers)
+    public function createBankTransferAsync($xero_tenant_id$bank_transfers)
     {
-        return $this->createBankTransferAsyncWithHttpInfo($xero_tenant_id, $bank_transfers)
+        return $this->createBankTransferAsyncWithHttpInfo($xero_tenant_id$bank_transfers)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1652,10 +1652,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\BankTransfers $bank_transfers BankTransfers with array of BankTransfer objects in request body (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createBankTransferAsyncWithHttpInfo($xero_tenant_id, $bank_transfers)
+    public function createBankTransferAsyncWithHttpInfo($xero_tenant_id$bank_transfers)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\BankTransfers';
-        $request = $this->createBankTransferRequest($xero_tenant_id, $bank_transfers);
+        $request = $this->createBankTransferRequest($xero_tenant_id$bank_transfers);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1695,7 +1695,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\BankTransfers $bank_transfers BankTransfers with array of BankTransfer objects in request body (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createBankTransferRequest($xero_tenant_id, $bank_transfers)
+    protected function createBankTransferRequest($xero_tenant_id$bank_transfers)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1792,9 +1792,9 @@ protected function createBankTransferRequest($xero_tenant_id, $bank_transfers)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createBankTransferAttachmentByFileName($xero_tenant_id, $bank_transfer_id, $file_name, $body)
+    public function createBankTransferAttachmentByFileName($xero_tenant_id$bank_transfer_id$file_name$body)
     {
-        list($response) = $this->createBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_id, $bank_transfer_id, $file_name, $body);
+        list($response) = $this->createBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_id$bank_transfer_id$file_name$body);
         return $response;
     }
     /**
@@ -1807,9 +1807,9 @@ public function createBankTransferAttachmentByFileName($xero_tenant_id, $bank_tr
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_id, $bank_transfer_id, $file_name, $body)
+    public function createBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_id$bank_transfer_id$file_name$body)
     {
-        $request = $this->createBankTransferAttachmentByFileNameRequest($xero_tenant_id, $bank_transfer_id, $file_name, $body);
+        $request = $this->createBankTransferAttachmentByFileNameRequest($xero_tenant_id$bank_transfer_id$file_name$body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1904,9 +1904,9 @@ public function createBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createBankTransferAttachmentByFileNameAsync($xero_tenant_id, $bank_transfer_id, $file_name, $body)
+    public function createBankTransferAttachmentByFileNameAsync($xero_tenant_id$bank_transfer_id$file_name$body)
     {
-        return $this->createBankTransferAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id, $file_name, $body)
+        return $this->createBankTransferAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id$file_name$body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1922,10 +1922,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createBankTransferAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id, $file_name, $body)
+    public function createBankTransferAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id$file_name$body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->createBankTransferAttachmentByFileNameRequest($xero_tenant_id, $bank_transfer_id, $file_name, $body);
+        $request = $this->createBankTransferAttachmentByFileNameRequest($xero_tenant_id$bank_transfer_id$file_name$body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1967,7 +1967,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createBankTransferAttachmentByFileNameRequest($xero_tenant_id, $bank_transfer_id, $file_name, $body)
+    protected function createBankTransferAttachmentByFileNameRequest($xero_tenant_id$bank_transfer_id$file_name$body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2092,9 +2092,9 @@ protected function createBankTransferAttachmentByFileNameRequest($xero_tenant_id
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createBankTransferHistoryRecord($xero_tenant_id, $bank_transfer_id, $history_records)
+    public function createBankTransferHistoryRecord($xero_tenant_id$bank_transfer_id$history_records)
     {
-        list($response) = $this->createBankTransferHistoryRecordWithHttpInfo($xero_tenant_id, $bank_transfer_id, $history_records);
+        list($response) = $this->createBankTransferHistoryRecordWithHttpInfo($xero_tenant_id$bank_transfer_id$history_records);
         return $response;
     }
     /**
@@ -2107,9 +2107,9 @@ public function createBankTransferHistoryRecord($xero_tenant_id, $bank_transfer_
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createBankTransferHistoryRecordWithHttpInfo($xero_tenant_id, $bank_transfer_id, $history_records)
+    public function createBankTransferHistoryRecordWithHttpInfo($xero_tenant_id$bank_transfer_id$history_records)
     {
-        $request = $this->createBankTransferHistoryRecordRequest($xero_tenant_id, $bank_transfer_id, $history_records);
+        $request = $this->createBankTransferHistoryRecordRequest($xero_tenant_id$bank_transfer_id$history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2203,9 +2203,9 @@ public function createBankTransferHistoryRecordWithHttpInfo($xero_tenant_id, $ba
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createBankTransferHistoryRecordAsync($xero_tenant_id, $bank_transfer_id, $history_records)
+    public function createBankTransferHistoryRecordAsync($xero_tenant_id$bank_transfer_id$history_records)
     {
-        return $this->createBankTransferHistoryRecordAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id, $history_records)
+        return $this->createBankTransferHistoryRecordAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id$history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2220,10 +2220,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createBankTransferHistoryRecordAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id, $history_records)
+    public function createBankTransferHistoryRecordAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id$history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createBankTransferHistoryRecordRequest($xero_tenant_id, $bank_transfer_id, $history_records);
+        $request = $this->createBankTransferHistoryRecordRequest($xero_tenant_id$bank_transfer_id$history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2264,7 +2264,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createBankTransferHistoryRecordRequest($xero_tenant_id, $bank_transfer_id, $history_records)
+    protected function createBankTransferHistoryRecordRequest($xero_tenant_id$bank_transfer_id$history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2375,9 +2375,9 @@ protected function createBankTransferHistoryRecordRequest($xero_tenant_id, $bank
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\BatchPayments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createBatchPayment($xero_tenant_id, $batch_payments, $summarize_errors = false)
+    public function createBatchPayment($xero_tenant_id$batch_payments$summarize_errors = false)
     {
-        list($response) = $this->createBatchPaymentWithHttpInfo($xero_tenant_id, $batch_payments, $summarize_errors);
+        list($response) = $this->createBatchPaymentWithHttpInfo($xero_tenant_id$batch_payments$summarize_errors);
         return $response;
     }
     /**
@@ -2390,9 +2390,9 @@ public function createBatchPayment($xero_tenant_id, $batch_payments, $summarize_
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\BatchPayments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createBatchPaymentWithHttpInfo($xero_tenant_id, $batch_payments, $summarize_errors = false)
+    public function createBatchPaymentWithHttpInfo($xero_tenant_id$batch_payments$summarize_errors = false)
     {
-        $request = $this->createBatchPaymentRequest($xero_tenant_id, $batch_payments, $summarize_errors);
+        $request = $this->createBatchPaymentRequest($xero_tenant_id$batch_payments$summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2486,9 +2486,9 @@ public function createBatchPaymentWithHttpInfo($xero_tenant_id, $batch_payments,
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createBatchPaymentAsync($xero_tenant_id, $batch_payments, $summarize_errors = false)
+    public function createBatchPaymentAsync($xero_tenant_id$batch_payments$summarize_errors = false)
     {
-        return $this->createBatchPaymentAsyncWithHttpInfo($xero_tenant_id, $batch_payments, $summarize_errors)
+        return $this->createBatchPaymentAsyncWithHttpInfo($xero_tenant_id$batch_payments$summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2503,10 +2503,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createBatchPaymentAsyncWithHttpInfo($xero_tenant_id, $batch_payments, $summarize_errors = false)
+    public function createBatchPaymentAsyncWithHttpInfo($xero_tenant_id$batch_payments$summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\BatchPayments';
-        $request = $this->createBatchPaymentRequest($xero_tenant_id, $batch_payments, $summarize_errors);
+        $request = $this->createBatchPaymentRequest($xero_tenant_id$batch_payments$summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2547,7 +2547,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createBatchPaymentRequest($xero_tenant_id, $batch_payments, $summarize_errors = false)
+    protected function createBatchPaymentRequest($xero_tenant_id$batch_payments$summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2648,9 +2648,9 @@ protected function createBatchPaymentRequest($xero_tenant_id, $batch_payments, $
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createBatchPaymentHistoryRecord($xero_tenant_id, $batch_payment_id, $history_records)
+    public function createBatchPaymentHistoryRecord($xero_tenant_id$batch_payment_id$history_records)
     {
-        list($response) = $this->createBatchPaymentHistoryRecordWithHttpInfo($xero_tenant_id, $batch_payment_id, $history_records);
+        list($response) = $this->createBatchPaymentHistoryRecordWithHttpInfo($xero_tenant_id$batch_payment_id$history_records);
         return $response;
     }
     /**
@@ -2663,9 +2663,9 @@ public function createBatchPaymentHistoryRecord($xero_tenant_id, $batch_payment_
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createBatchPaymentHistoryRecordWithHttpInfo($xero_tenant_id, $batch_payment_id, $history_records)
+    public function createBatchPaymentHistoryRecordWithHttpInfo($xero_tenant_id$batch_payment_id$history_records)
     {
-        $request = $this->createBatchPaymentHistoryRecordRequest($xero_tenant_id, $batch_payment_id, $history_records);
+        $request = $this->createBatchPaymentHistoryRecordRequest($xero_tenant_id$batch_payment_id$history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2759,9 +2759,9 @@ public function createBatchPaymentHistoryRecordWithHttpInfo($xero_tenant_id, $ba
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createBatchPaymentHistoryRecordAsync($xero_tenant_id, $batch_payment_id, $history_records)
+    public function createBatchPaymentHistoryRecordAsync($xero_tenant_id$batch_payment_id$history_records)
     {
-        return $this->createBatchPaymentHistoryRecordAsyncWithHttpInfo($xero_tenant_id, $batch_payment_id, $history_records)
+        return $this->createBatchPaymentHistoryRecordAsyncWithHttpInfo($xero_tenant_id$batch_payment_id$history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2776,10 +2776,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createBatchPaymentHistoryRecordAsyncWithHttpInfo($xero_tenant_id, $batch_payment_id, $history_records)
+    public function createBatchPaymentHistoryRecordAsyncWithHttpInfo($xero_tenant_id$batch_payment_id$history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createBatchPaymentHistoryRecordRequest($xero_tenant_id, $batch_payment_id, $history_records);
+        $request = $this->createBatchPaymentHistoryRecordRequest($xero_tenant_id$batch_payment_id$history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2820,7 +2820,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createBatchPaymentHistoryRecordRequest($xero_tenant_id, $batch_payment_id, $history_records)
+    protected function createBatchPaymentHistoryRecordRequest($xero_tenant_id$batch_payment_id$history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2931,9 +2931,9 @@ protected function createBatchPaymentHistoryRecordRequest($xero_tenant_id, $batc
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\PaymentServices|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createBrandingThemePaymentServices($xero_tenant_id, $branding_theme_id, $payment_service)
+    public function createBrandingThemePaymentServices($xero_tenant_id$branding_theme_id$payment_service)
     {
-        list($response) = $this->createBrandingThemePaymentServicesWithHttpInfo($xero_tenant_id, $branding_theme_id, $payment_service);
+        list($response) = $this->createBrandingThemePaymentServicesWithHttpInfo($xero_tenant_id$branding_theme_id$payment_service);
         return $response;
     }
     /**
@@ -2946,9 +2946,9 @@ public function createBrandingThemePaymentServices($xero_tenant_id, $branding_th
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\PaymentServices|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createBrandingThemePaymentServicesWithHttpInfo($xero_tenant_id, $branding_theme_id, $payment_service)
+    public function createBrandingThemePaymentServicesWithHttpInfo($xero_tenant_id$branding_theme_id$payment_service)
     {
-        $request = $this->createBrandingThemePaymentServicesRequest($xero_tenant_id, $branding_theme_id, $payment_service);
+        $request = $this->createBrandingThemePaymentServicesRequest($xero_tenant_id$branding_theme_id$payment_service);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3042,9 +3042,9 @@ public function createBrandingThemePaymentServicesWithHttpInfo($xero_tenant_id,
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createBrandingThemePaymentServicesAsync($xero_tenant_id, $branding_theme_id, $payment_service)
+    public function createBrandingThemePaymentServicesAsync($xero_tenant_id$branding_theme_id$payment_service)
     {
-        return $this->createBrandingThemePaymentServicesAsyncWithHttpInfo($xero_tenant_id, $branding_theme_id, $payment_service)
+        return $this->createBrandingThemePaymentServicesAsyncWithHttpInfo($xero_tenant_id$branding_theme_id$payment_service)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3059,10 +3059,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\PaymentService $payment_service PaymentService object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createBrandingThemePaymentServicesAsyncWithHttpInfo($xero_tenant_id, $branding_theme_id, $payment_service)
+    public function createBrandingThemePaymentServicesAsyncWithHttpInfo($xero_tenant_id$branding_theme_id$payment_service)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\PaymentServices';
-        $request = $this->createBrandingThemePaymentServicesRequest($xero_tenant_id, $branding_theme_id, $payment_service);
+        $request = $this->createBrandingThemePaymentServicesRequest($xero_tenant_id$branding_theme_id$payment_service);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3103,7 +3103,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\PaymentService $payment_service PaymentService object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createBrandingThemePaymentServicesRequest($xero_tenant_id, $branding_theme_id, $payment_service)
+    protected function createBrandingThemePaymentServicesRequest($xero_tenant_id$branding_theme_id$payment_service)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3214,9 +3214,9 @@ protected function createBrandingThemePaymentServicesRequest($xero_tenant_id, $b
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createContactAttachmentByFileName($xero_tenant_id, $contact_id, $file_name, $body)
+    public function createContactAttachmentByFileName($xero_tenant_id$contact_id$file_name$body)
     {
-        list($response) = $this->createContactAttachmentByFileNameWithHttpInfo($xero_tenant_id, $contact_id, $file_name, $body);
+        list($response) = $this->createContactAttachmentByFileNameWithHttpInfo($xero_tenant_id$contact_id$file_name$body);
         return $response;
     }
     /**
@@ -3229,9 +3229,9 @@ public function createContactAttachmentByFileName($xero_tenant_id, $contact_id,
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createContactAttachmentByFileNameWithHttpInfo($xero_tenant_id, $contact_id, $file_name, $body)
+    public function createContactAttachmentByFileNameWithHttpInfo($xero_tenant_id$contact_id$file_name$body)
     {
-        $request = $this->createContactAttachmentByFileNameRequest($xero_tenant_id, $contact_id, $file_name, $body);
+        $request = $this->createContactAttachmentByFileNameRequest($xero_tenant_id$contact_id$file_name$body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3326,9 +3326,9 @@ public function createContactAttachmentByFileNameWithHttpInfo($xero_tenant_id, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createContactAttachmentByFileNameAsync($xero_tenant_id, $contact_id, $file_name, $body)
+    public function createContactAttachmentByFileNameAsync($xero_tenant_id$contact_id$file_name$body)
     {
-        return $this->createContactAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $contact_id, $file_name, $body)
+        return $this->createContactAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$contact_id$file_name$body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3344,10 +3344,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createContactAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $contact_id, $file_name, $body)
+    public function createContactAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$contact_id$file_name$body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->createContactAttachmentByFileNameRequest($xero_tenant_id, $contact_id, $file_name, $body);
+        $request = $this->createContactAttachmentByFileNameRequest($xero_tenant_id$contact_id$file_name$body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3389,7 +3389,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createContactAttachmentByFileNameRequest($xero_tenant_id, $contact_id, $file_name, $body)
+    protected function createContactAttachmentByFileNameRequest($xero_tenant_id$contact_id$file_name$body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3513,9 +3513,9 @@ protected function createContactAttachmentByFileNameRequest($xero_tenant_id, $co
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ContactGroups|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createContactGroup($xero_tenant_id, $contact_groups)
+    public function createContactGroup($xero_tenant_id$contact_groups)
     {
-        list($response) = $this->createContactGroupWithHttpInfo($xero_tenant_id, $contact_groups);
+        list($response) = $this->createContactGroupWithHttpInfo($xero_tenant_id$contact_groups);
         return $response;
     }
     /**
@@ -3527,9 +3527,9 @@ public function createContactGroup($xero_tenant_id, $contact_groups)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ContactGroups|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createContactGroupWithHttpInfo($xero_tenant_id, $contact_groups)
+    public function createContactGroupWithHttpInfo($xero_tenant_id$contact_groups)
     {
-        $request = $this->createContactGroupRequest($xero_tenant_id, $contact_groups);
+        $request = $this->createContactGroupRequest($xero_tenant_id$contact_groups);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3622,9 +3622,9 @@ public function createContactGroupWithHttpInfo($xero_tenant_id, $contact_groups)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createContactGroupAsync($xero_tenant_id, $contact_groups)
+    public function createContactGroupAsync($xero_tenant_id$contact_groups)
     {
-        return $this->createContactGroupAsyncWithHttpInfo($xero_tenant_id, $contact_groups)
+        return $this->createContactGroupAsyncWithHttpInfo($xero_tenant_id$contact_groups)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3638,10 +3638,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\ContactGroups $contact_groups ContactGroups with an array of names in request body (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createContactGroupAsyncWithHttpInfo($xero_tenant_id, $contact_groups)
+    public function createContactGroupAsyncWithHttpInfo($xero_tenant_id$contact_groups)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ContactGroups';
-        $request = $this->createContactGroupRequest($xero_tenant_id, $contact_groups);
+        $request = $this->createContactGroupRequest($xero_tenant_id$contact_groups);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3681,7 +3681,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\ContactGroups $contact_groups ContactGroups with an array of names in request body (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createContactGroupRequest($xero_tenant_id, $contact_groups)
+    protected function createContactGroupRequest($xero_tenant_id$contact_groups)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3778,9 +3778,9 @@ protected function createContactGroupRequest($xero_tenant_id, $contact_groups)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Contacts|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createContactGroupContacts($xero_tenant_id, $contact_group_id, $contacts)
+    public function createContactGroupContacts($xero_tenant_id$contact_group_id$contacts)
     {
-        list($response) = $this->createContactGroupContactsWithHttpInfo($xero_tenant_id, $contact_group_id, $contacts);
+        list($response) = $this->createContactGroupContactsWithHttpInfo($xero_tenant_id$contact_group_id$contacts);
         return $response;
     }
     /**
@@ -3793,9 +3793,9 @@ public function createContactGroupContacts($xero_tenant_id, $contact_group_id, $
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Contacts|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createContactGroupContactsWithHttpInfo($xero_tenant_id, $contact_group_id, $contacts)
+    public function createContactGroupContactsWithHttpInfo($xero_tenant_id$contact_group_id$contacts)
     {
-        $request = $this->createContactGroupContactsRequest($xero_tenant_id, $contact_group_id, $contacts);
+        $request = $this->createContactGroupContactsRequest($xero_tenant_id$contact_group_id$contacts);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3889,9 +3889,9 @@ public function createContactGroupContactsWithHttpInfo($xero_tenant_id, $contact
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createContactGroupContactsAsync($xero_tenant_id, $contact_group_id, $contacts)
+    public function createContactGroupContactsAsync($xero_tenant_id$contact_group_id$contacts)
     {
-        return $this->createContactGroupContactsAsyncWithHttpInfo($xero_tenant_id, $contact_group_id, $contacts)
+        return $this->createContactGroupContactsAsyncWithHttpInfo($xero_tenant_id$contact_group_id$contacts)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3906,10 +3906,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Contacts $contacts Contacts with array of contacts specifying the ContactID to be added to ContactGroup in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createContactGroupContactsAsyncWithHttpInfo($xero_tenant_id, $contact_group_id, $contacts)
+    public function createContactGroupContactsAsyncWithHttpInfo($xero_tenant_id$contact_group_id$contacts)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Contacts';
-        $request = $this->createContactGroupContactsRequest($xero_tenant_id, $contact_group_id, $contacts);
+        $request = $this->createContactGroupContactsRequest($xero_tenant_id$contact_group_id$contacts);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3950,7 +3950,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Contacts $contacts Contacts with array of contacts specifying the ContactID to be added to ContactGroup in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createContactGroupContactsRequest($xero_tenant_id, $contact_group_id, $contacts)
+    protected function createContactGroupContactsRequest($xero_tenant_id$contact_group_id$contacts)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4061,9 +4061,9 @@ protected function createContactGroupContactsRequest($xero_tenant_id, $contact_g
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createContactHistory($xero_tenant_id, $contact_id, $history_records)
+    public function createContactHistory($xero_tenant_id$contact_id$history_records)
     {
-        list($response) = $this->createContactHistoryWithHttpInfo($xero_tenant_id, $contact_id, $history_records);
+        list($response) = $this->createContactHistoryWithHttpInfo($xero_tenant_id$contact_id$history_records);
         return $response;
     }
     /**
@@ -4076,9 +4076,9 @@ public function createContactHistory($xero_tenant_id, $contact_id, $history_reco
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createContactHistoryWithHttpInfo($xero_tenant_id, $contact_id, $history_records)
+    public function createContactHistoryWithHttpInfo($xero_tenant_id$contact_id$history_records)
     {
-        $request = $this->createContactHistoryRequest($xero_tenant_id, $contact_id, $history_records);
+        $request = $this->createContactHistoryRequest($xero_tenant_id$contact_id$history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4172,9 +4172,9 @@ public function createContactHistoryWithHttpInfo($xero_tenant_id, $contact_id, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createContactHistoryAsync($xero_tenant_id, $contact_id, $history_records)
+    public function createContactHistoryAsync($xero_tenant_id$contact_id$history_records)
     {
-        return $this->createContactHistoryAsyncWithHttpInfo($xero_tenant_id, $contact_id, $history_records)
+        return $this->createContactHistoryAsyncWithHttpInfo($xero_tenant_id$contact_id$history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4189,10 +4189,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createContactHistoryAsyncWithHttpInfo($xero_tenant_id, $contact_id, $history_records)
+    public function createContactHistoryAsyncWithHttpInfo($xero_tenant_id$contact_id$history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createContactHistoryRequest($xero_tenant_id, $contact_id, $history_records);
+        $request = $this->createContactHistoryRequest($xero_tenant_id$contact_id$history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4233,7 +4233,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createContactHistoryRequest($xero_tenant_id, $contact_id, $history_records)
+    protected function createContactHistoryRequest($xero_tenant_id$contact_id$history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4344,9 +4344,9 @@ protected function createContactHistoryRequest($xero_tenant_id, $contact_id, $hi
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Contacts|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createContacts($xero_tenant_id, $contacts, $summarize_errors = false)
+    public function createContacts($xero_tenant_id$contacts$summarize_errors = false)
     {
-        list($response) = $this->createContactsWithHttpInfo($xero_tenant_id, $contacts, $summarize_errors);
+        list($response) = $this->createContactsWithHttpInfo($xero_tenant_id$contacts$summarize_errors);
         return $response;
     }
     /**
@@ -4359,9 +4359,9 @@ public function createContacts($xero_tenant_id, $contacts, $summarize_errors = f
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Contacts|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createContactsWithHttpInfo($xero_tenant_id, $contacts, $summarize_errors = false)
+    public function createContactsWithHttpInfo($xero_tenant_id$contacts$summarize_errors = false)
     {
-        $request = $this->createContactsRequest($xero_tenant_id, $contacts, $summarize_errors);
+        $request = $this->createContactsRequest($xero_tenant_id$contacts$summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4455,9 +4455,9 @@ public function createContactsWithHttpInfo($xero_tenant_id, $contacts, $summariz
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createContactsAsync($xero_tenant_id, $contacts, $summarize_errors = false)
+    public function createContactsAsync($xero_tenant_id$contacts$summarize_errors = false)
     {
-        return $this->createContactsAsyncWithHttpInfo($xero_tenant_id, $contacts, $summarize_errors)
+        return $this->createContactsAsyncWithHttpInfo($xero_tenant_id$contacts$summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4472,10 +4472,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createContactsAsyncWithHttpInfo($xero_tenant_id, $contacts, $summarize_errors = false)
+    public function createContactsAsyncWithHttpInfo($xero_tenant_id$contacts$summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Contacts';
-        $request = $this->createContactsRequest($xero_tenant_id, $contacts, $summarize_errors);
+        $request = $this->createContactsRequest($xero_tenant_id$contacts$summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4516,7 +4516,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createContactsRequest($xero_tenant_id, $contacts, $summarize_errors = false)
+    protected function createContactsRequest($xero_tenant_id$contacts$summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4618,9 +4618,9 @@ protected function createContactsRequest($xero_tenant_id, $contacts, $summarize_
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Allocations|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createCreditNoteAllocation($xero_tenant_id, $credit_note_id, $allocations, $summarize_errors = false)
+    public function createCreditNoteAllocation($xero_tenant_id$credit_note_id$allocations$summarize_errors = false)
     {
-        list($response) = $this->createCreditNoteAllocationWithHttpInfo($xero_tenant_id, $credit_note_id, $allocations, $summarize_errors);
+        list($response) = $this->createCreditNoteAllocationWithHttpInfo($xero_tenant_id$credit_note_id$allocations$summarize_errors);
         return $response;
     }
     /**
@@ -4634,9 +4634,9 @@ public function createCreditNoteAllocation($xero_tenant_id, $credit_note_id, $al
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Allocations|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createCreditNoteAllocationWithHttpInfo($xero_tenant_id, $credit_note_id, $allocations, $summarize_errors = false)
+    public function createCreditNoteAllocationWithHttpInfo($xero_tenant_id$credit_note_id$allocations$summarize_errors = false)
     {
-        $request = $this->createCreditNoteAllocationRequest($xero_tenant_id, $credit_note_id, $allocations, $summarize_errors);
+        $request = $this->createCreditNoteAllocationRequest($xero_tenant_id$credit_note_id$allocations$summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4731,9 +4731,9 @@ public function createCreditNoteAllocationWithHttpInfo($xero_tenant_id, $credit_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createCreditNoteAllocationAsync($xero_tenant_id, $credit_note_id, $allocations, $summarize_errors = false)
+    public function createCreditNoteAllocationAsync($xero_tenant_id$credit_note_id$allocations$summarize_errors = false)
     {
-        return $this->createCreditNoteAllocationAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $allocations, $summarize_errors)
+        return $this->createCreditNoteAllocationAsyncWithHttpInfo($xero_tenant_id$credit_note_id$allocations$summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4749,10 +4749,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createCreditNoteAllocationAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $allocations, $summarize_errors = false)
+    public function createCreditNoteAllocationAsyncWithHttpInfo($xero_tenant_id$credit_note_id$allocations$summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Allocations';
-        $request = $this->createCreditNoteAllocationRequest($xero_tenant_id, $credit_note_id, $allocations, $summarize_errors);
+        $request = $this->createCreditNoteAllocationRequest($xero_tenant_id$credit_note_id$allocations$summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4794,7 +4794,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createCreditNoteAllocationRequest($xero_tenant_id, $credit_note_id, $allocations, $summarize_errors = false)
+    protected function createCreditNoteAllocationRequest($xero_tenant_id$credit_note_id$allocations$summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4911,9 +4911,9 @@ protected function createCreditNoteAllocationRequest($xero_tenant_id, $credit_no
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createCreditNoteAttachmentByFileName($xero_tenant_id, $credit_note_id, $file_name, $body, $include_online = false)
+    public function createCreditNoteAttachmentByFileName($xero_tenant_id$credit_note_id$file_name$body$include_online = false)
     {
-        list($response) = $this->createCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $credit_note_id, $file_name, $body, $include_online);
+        list($response) = $this->createCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$credit_note_id$file_name$body$include_online);
         return $response;
     }
     /**
@@ -4928,9 +4928,9 @@ public function createCreditNoteAttachmentByFileName($xero_tenant_id, $credit_no
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $credit_note_id, $file_name, $body, $include_online = false)
+    public function createCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$credit_note_id$file_name$body$include_online = false)
     {
-        $request = $this->createCreditNoteAttachmentByFileNameRequest($xero_tenant_id, $credit_note_id, $file_name, $body, $include_online);
+        $request = $this->createCreditNoteAttachmentByFileNameRequest($xero_tenant_id$credit_note_id$file_name$body$include_online);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5026,9 +5026,9 @@ public function createCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createCreditNoteAttachmentByFileNameAsync($xero_tenant_id, $credit_note_id, $file_name, $body, $include_online = false)
+    public function createCreditNoteAttachmentByFileNameAsync($xero_tenant_id$credit_note_id$file_name$body$include_online = false)
     {
-        return $this->createCreditNoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $file_name, $body, $include_online)
+        return $this->createCreditNoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$credit_note_id$file_name$body$include_online)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5045,10 +5045,10 @@ function ($response) {
      * @param  bool $include_online Allows an attachment to be seen by the end customer within their online invoice (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createCreditNoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $file_name, $body, $include_online = false)
+    public function createCreditNoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$credit_note_id$file_name$body$include_online = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->createCreditNoteAttachmentByFileNameRequest($xero_tenant_id, $credit_note_id, $file_name, $body, $include_online);
+        $request = $this->createCreditNoteAttachmentByFileNameRequest($xero_tenant_id$credit_note_id$file_name$body$include_online);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5091,7 +5091,7 @@ function ($exception) {
      * @param  bool $include_online Allows an attachment to be seen by the end customer within their online invoice (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createCreditNoteAttachmentByFileNameRequest($xero_tenant_id, $credit_note_id, $file_name, $body, $include_online = false)
+    protected function createCreditNoteAttachmentByFileNameRequest($xero_tenant_id$credit_note_id$file_name$body$include_online = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5220,9 +5220,9 @@ protected function createCreditNoteAttachmentByFileNameRequest($xero_tenant_id,
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createCreditNoteHistory($xero_tenant_id, $credit_note_id, $history_records)
+    public function createCreditNoteHistory($xero_tenant_id$credit_note_id$history_records)
     {
-        list($response) = $this->createCreditNoteHistoryWithHttpInfo($xero_tenant_id, $credit_note_id, $history_records);
+        list($response) = $this->createCreditNoteHistoryWithHttpInfo($xero_tenant_id$credit_note_id$history_records);
         return $response;
     }
     /**
@@ -5235,9 +5235,9 @@ public function createCreditNoteHistory($xero_tenant_id, $credit_note_id, $histo
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createCreditNoteHistoryWithHttpInfo($xero_tenant_id, $credit_note_id, $history_records)
+    public function createCreditNoteHistoryWithHttpInfo($xero_tenant_id$credit_note_id$history_records)
     {
-        $request = $this->createCreditNoteHistoryRequest($xero_tenant_id, $credit_note_id, $history_records);
+        $request = $this->createCreditNoteHistoryRequest($xero_tenant_id$credit_note_id$history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5331,9 +5331,9 @@ public function createCreditNoteHistoryWithHttpInfo($xero_tenant_id, $credit_not
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createCreditNoteHistoryAsync($xero_tenant_id, $credit_note_id, $history_records)
+    public function createCreditNoteHistoryAsync($xero_tenant_id$credit_note_id$history_records)
     {
-        return $this->createCreditNoteHistoryAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $history_records)
+        return $this->createCreditNoteHistoryAsyncWithHttpInfo($xero_tenant_id$credit_note_id$history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5348,10 +5348,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createCreditNoteHistoryAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $history_records)
+    public function createCreditNoteHistoryAsyncWithHttpInfo($xero_tenant_id$credit_note_id$history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createCreditNoteHistoryRequest($xero_tenant_id, $credit_note_id, $history_records);
+        $request = $this->createCreditNoteHistoryRequest($xero_tenant_id$credit_note_id$history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5392,7 +5392,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createCreditNoteHistoryRequest($xero_tenant_id, $credit_note_id, $history_records)
+    protected function createCreditNoteHistoryRequest($xero_tenant_id$credit_note_id$history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5504,9 +5504,9 @@ protected function createCreditNoteHistoryRequest($xero_tenant_id, $credit_note_
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\CreditNotes|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createCreditNotes($xero_tenant_id, $credit_notes, $summarize_errors = false, $unitdp = null)
+    public function createCreditNotes($xero_tenant_id$credit_notes$summarize_errors = false$unitdp = null)
     {
-        list($response) = $this->createCreditNotesWithHttpInfo($xero_tenant_id, $credit_notes, $summarize_errors, $unitdp);
+        list($response) = $this->createCreditNotesWithHttpInfo($xero_tenant_id$credit_notes$summarize_errors$unitdp);
         return $response;
     }
     /**
@@ -5520,9 +5520,9 @@ public function createCreditNotes($xero_tenant_id, $credit_notes, $summarize_err
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\CreditNotes|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createCreditNotesWithHttpInfo($xero_tenant_id, $credit_notes, $summarize_errors = false, $unitdp = null)
+    public function createCreditNotesWithHttpInfo($xero_tenant_id$credit_notes$summarize_errors = false$unitdp = null)
     {
-        $request = $this->createCreditNotesRequest($xero_tenant_id, $credit_notes, $summarize_errors, $unitdp);
+        $request = $this->createCreditNotesRequest($xero_tenant_id$credit_notes$summarize_errors$unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5617,9 +5617,9 @@ public function createCreditNotesWithHttpInfo($xero_tenant_id, $credit_notes, $s
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createCreditNotesAsync($xero_tenant_id, $credit_notes, $summarize_errors = false, $unitdp = null)
+    public function createCreditNotesAsync($xero_tenant_id$credit_notes$summarize_errors = false$unitdp = null)
     {
-        return $this->createCreditNotesAsyncWithHttpInfo($xero_tenant_id, $credit_notes, $summarize_errors, $unitdp)
+        return $this->createCreditNotesAsyncWithHttpInfo($xero_tenant_id$credit_notes$summarize_errors$unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5635,10 +5635,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createCreditNotesAsyncWithHttpInfo($xero_tenant_id, $credit_notes, $summarize_errors = false, $unitdp = null)
+    public function createCreditNotesAsyncWithHttpInfo($xero_tenant_id$credit_notes$summarize_errors = false$unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\CreditNotes';
-        $request = $this->createCreditNotesRequest($xero_tenant_id, $credit_notes, $summarize_errors, $unitdp);
+        $request = $this->createCreditNotesRequest($xero_tenant_id$credit_notes$summarize_errors$unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5680,7 +5680,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createCreditNotesRequest($xero_tenant_id, $credit_notes, $summarize_errors = false, $unitdp = null)
+    protected function createCreditNotesRequest($xero_tenant_id$credit_notes$summarize_errors = false$unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5784,9 +5784,9 @@ protected function createCreditNotesRequest($xero_tenant_id, $credit_notes, $sum
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Currencies
      */
-    public function createCurrency($xero_tenant_id, $currency)
+    public function createCurrency($xero_tenant_id$currency)
     {
-        list($response) = $this->createCurrencyWithHttpInfo($xero_tenant_id, $currency);
+        list($response) = $this->createCurrencyWithHttpInfo($xero_tenant_id$currency);
         return $response;
     }
     /**
@@ -5798,9 +5798,9 @@ public function createCurrency($xero_tenant_id, $currency)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Currencies, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createCurrencyWithHttpInfo($xero_tenant_id, $currency)
+    public function createCurrencyWithHttpInfo($xero_tenant_id$currency)
     {
-        $request = $this->createCurrencyRequest($xero_tenant_id, $currency);
+        $request = $this->createCurrencyRequest($xero_tenant_id$currency);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5874,9 +5874,9 @@ public function createCurrencyWithHttpInfo($xero_tenant_id, $currency)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createCurrencyAsync($xero_tenant_id, $currency)
+    public function createCurrencyAsync($xero_tenant_id$currency)
     {
-        return $this->createCurrencyAsyncWithHttpInfo($xero_tenant_id, $currency)
+        return $this->createCurrencyAsyncWithHttpInfo($xero_tenant_id$currency)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5890,10 +5890,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Currency $currency Currency object in the body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createCurrencyAsyncWithHttpInfo($xero_tenant_id, $currency)
+    public function createCurrencyAsyncWithHttpInfo($xero_tenant_id$currency)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Currencies';
-        $request = $this->createCurrencyRequest($xero_tenant_id, $currency);
+        $request = $this->createCurrencyRequest($xero_tenant_id$currency);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5933,7 +5933,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Currency $currency Currency object in the body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createCurrencyRequest($xero_tenant_id, $currency)
+    protected function createCurrencyRequest($xero_tenant_id$currency)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6030,9 +6030,9 @@ protected function createCurrencyRequest($xero_tenant_id, $currency)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Employees|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createEmployees($xero_tenant_id, $employees, $summarize_errors = false)
+    public function createEmployees($xero_tenant_id$employees$summarize_errors = false)
     {
-        list($response) = $this->createEmployeesWithHttpInfo($xero_tenant_id, $employees, $summarize_errors);
+        list($response) = $this->createEmployeesWithHttpInfo($xero_tenant_id$employees$summarize_errors);
         return $response;
     }
     /**
@@ -6045,9 +6045,9 @@ public function createEmployees($xero_tenant_id, $employees, $summarize_errors =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Employees|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeesWithHttpInfo($xero_tenant_id, $employees, $summarize_errors = false)
+    public function createEmployeesWithHttpInfo($xero_tenant_id$employees$summarize_errors = false)
     {
-        $request = $this->createEmployeesRequest($xero_tenant_id, $employees, $summarize_errors);
+        $request = $this->createEmployeesRequest($xero_tenant_id$employees$summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6141,9 +6141,9 @@ public function createEmployeesWithHttpInfo($xero_tenant_id, $employees, $summar
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeesAsync($xero_tenant_id, $employees, $summarize_errors = false)
+    public function createEmployeesAsync($xero_tenant_id$employees$summarize_errors = false)
     {
-        return $this->createEmployeesAsyncWithHttpInfo($xero_tenant_id, $employees, $summarize_errors)
+        return $this->createEmployeesAsyncWithHttpInfo($xero_tenant_id$employees$summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6158,10 +6158,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeesAsyncWithHttpInfo($xero_tenant_id, $employees, $summarize_errors = false)
+    public function createEmployeesAsyncWithHttpInfo($xero_tenant_id$employees$summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Employees';
-        $request = $this->createEmployeesRequest($xero_tenant_id, $employees, $summarize_errors);
+        $request = $this->createEmployeesRequest($xero_tenant_id$employees$summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -6202,7 +6202,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeesRequest($xero_tenant_id, $employees, $summarize_errors = false)
+    protected function createEmployeesRequest($xero_tenant_id$employees$summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6303,9 +6303,9 @@ protected function createEmployeesRequest($xero_tenant_id, $employees, $summariz
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function createExpenseClaimHistory($xero_tenant_id, $expense_claim_id, $history_records)
+    public function createExpenseClaimHistory($xero_tenant_id$expense_claim_id$history_records)
     {
-        list($response) = $this->createExpenseClaimHistoryWithHttpInfo($xero_tenant_id, $expense_claim_id, $history_records);
+        list($response) = $this->createExpenseClaimHistoryWithHttpInfo($xero_tenant_id$expense_claim_id$history_records);
         return $response;
     }
     /**
@@ -6318,9 +6318,9 @@ public function createExpenseClaimHistory($xero_tenant_id, $expense_claim_id, $h
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createExpenseClaimHistoryWithHttpInfo($xero_tenant_id, $expense_claim_id, $history_records)
+    public function createExpenseClaimHistoryWithHttpInfo($xero_tenant_id$expense_claim_id$history_records)
     {
-        $request = $this->createExpenseClaimHistoryRequest($xero_tenant_id, $expense_claim_id, $history_records);
+        $request = $this->createExpenseClaimHistoryRequest($xero_tenant_id$expense_claim_id$history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6395,9 +6395,9 @@ public function createExpenseClaimHistoryWithHttpInfo($xero_tenant_id, $expense_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createExpenseClaimHistoryAsync($xero_tenant_id, $expense_claim_id, $history_records)
+    public function createExpenseClaimHistoryAsync($xero_tenant_id$expense_claim_id$history_records)
     {
-        return $this->createExpenseClaimHistoryAsyncWithHttpInfo($xero_tenant_id, $expense_claim_id, $history_records)
+        return $this->createExpenseClaimHistoryAsyncWithHttpInfo($xero_tenant_id$expense_claim_id$history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6412,10 +6412,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createExpenseClaimHistoryAsyncWithHttpInfo($xero_tenant_id, $expense_claim_id, $history_records)
+    public function createExpenseClaimHistoryAsyncWithHttpInfo($xero_tenant_id$expense_claim_id$history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createExpenseClaimHistoryRequest($xero_tenant_id, $expense_claim_id, $history_records);
+        $request = $this->createExpenseClaimHistoryRequest($xero_tenant_id$expense_claim_id$history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -6456,7 +6456,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createExpenseClaimHistoryRequest($xero_tenant_id, $expense_claim_id, $history_records)
+    protected function createExpenseClaimHistoryRequest($xero_tenant_id$expense_claim_id$history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6566,9 +6566,9 @@ protected function createExpenseClaimHistoryRequest($xero_tenant_id, $expense_cl
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createExpenseClaims($xero_tenant_id, $expense_claims)
+    public function createExpenseClaims($xero_tenant_id$expense_claims)
     {
-        list($response) = $this->createExpenseClaimsWithHttpInfo($xero_tenant_id, $expense_claims);
+        list($response) = $this->createExpenseClaimsWithHttpInfo($xero_tenant_id$expense_claims);
         return $response;
     }
     /**
@@ -6580,9 +6580,9 @@ public function createExpenseClaims($xero_tenant_id, $expense_claims)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createExpenseClaimsWithHttpInfo($xero_tenant_id, $expense_claims)
+    public function createExpenseClaimsWithHttpInfo($xero_tenant_id$expense_claims)
     {
-        $request = $this->createExpenseClaimsRequest($xero_tenant_id, $expense_claims);
+        $request = $this->createExpenseClaimsRequest($xero_tenant_id$expense_claims);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6675,9 +6675,9 @@ public function createExpenseClaimsWithHttpInfo($xero_tenant_id, $expense_claims
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createExpenseClaimsAsync($xero_tenant_id, $expense_claims)
+    public function createExpenseClaimsAsync($xero_tenant_id$expense_claims)
     {
-        return $this->createExpenseClaimsAsyncWithHttpInfo($xero_tenant_id, $expense_claims)
+        return $this->createExpenseClaimsAsyncWithHttpInfo($xero_tenant_id$expense_claims)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6691,10 +6691,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims $expense_claims ExpenseClaims with array of ExpenseClaim object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createExpenseClaimsAsyncWithHttpInfo($xero_tenant_id, $expense_claims)
+    public function createExpenseClaimsAsyncWithHttpInfo($xero_tenant_id$expense_claims)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims';
-        $request = $this->createExpenseClaimsRequest($xero_tenant_id, $expense_claims);
+        $request = $this->createExpenseClaimsRequest($xero_tenant_id$expense_claims);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -6734,7 +6734,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims $expense_claims ExpenseClaims with array of ExpenseClaim object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createExpenseClaimsRequest($xero_tenant_id, $expense_claims)
+    protected function createExpenseClaimsRequest($xero_tenant_id$expense_claims)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6833,9 +6833,9 @@ protected function createExpenseClaimsRequest($xero_tenant_id, $expense_claims)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createInvoiceAttachmentByFileName($xero_tenant_id, $invoice_id, $file_name, $body, $include_online = false)
+    public function createInvoiceAttachmentByFileName($xero_tenant_id$invoice_id$file_name$body$include_online = false)
     {
-        list($response) = $this->createInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id, $invoice_id, $file_name, $body, $include_online);
+        list($response) = $this->createInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id$invoice_id$file_name$body$include_online);
         return $response;
     }
     /**
@@ -6850,9 +6850,9 @@ public function createInvoiceAttachmentByFileName($xero_tenant_id, $invoice_id,
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id, $invoice_id, $file_name, $body, $include_online = false)
+    public function createInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id$invoice_id$file_name$body$include_online = false)
     {
-        $request = $this->createInvoiceAttachmentByFileNameRequest($xero_tenant_id, $invoice_id, $file_name, $body, $include_online);
+        $request = $this->createInvoiceAttachmentByFileNameRequest($xero_tenant_id$invoice_id$file_name$body$include_online);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6948,9 +6948,9 @@ public function createInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createInvoiceAttachmentByFileNameAsync($xero_tenant_id, $invoice_id, $file_name, $body, $include_online = false)
+    public function createInvoiceAttachmentByFileNameAsync($xero_tenant_id$invoice_id$file_name$body$include_online = false)
     {
-        return $this->createInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $file_name, $body, $include_online)
+        return $this->createInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$invoice_id$file_name$body$include_online)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6967,10 +6967,10 @@ function ($response) {
      * @param  bool $include_online Allows an attachment to be seen by the end customer within their online invoice (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $file_name, $body, $include_online = false)
+    public function createInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$invoice_id$file_name$body$include_online = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->createInvoiceAttachmentByFileNameRequest($xero_tenant_id, $invoice_id, $file_name, $body, $include_online);
+        $request = $this->createInvoiceAttachmentByFileNameRequest($xero_tenant_id$invoice_id$file_name$body$include_online);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7013,7 +7013,7 @@ function ($exception) {
      * @param  bool $include_online Allows an attachment to be seen by the end customer within their online invoice (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createInvoiceAttachmentByFileNameRequest($xero_tenant_id, $invoice_id, $file_name, $body, $include_online = false)
+    protected function createInvoiceAttachmentByFileNameRequest($xero_tenant_id$invoice_id$file_name$body$include_online = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7142,9 +7142,9 @@ protected function createInvoiceAttachmentByFileNameRequest($xero_tenant_id, $in
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createInvoiceHistory($xero_tenant_id, $invoice_id, $history_records)
+    public function createInvoiceHistory($xero_tenant_id$invoice_id$history_records)
     {
-        list($response) = $this->createInvoiceHistoryWithHttpInfo($xero_tenant_id, $invoice_id, $history_records);
+        list($response) = $this->createInvoiceHistoryWithHttpInfo($xero_tenant_id$invoice_id$history_records);
         return $response;
     }
     /**
@@ -7157,9 +7157,9 @@ public function createInvoiceHistory($xero_tenant_id, $invoice_id, $history_reco
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createInvoiceHistoryWithHttpInfo($xero_tenant_id, $invoice_id, $history_records)
+    public function createInvoiceHistoryWithHttpInfo($xero_tenant_id$invoice_id$history_records)
     {
-        $request = $this->createInvoiceHistoryRequest($xero_tenant_id, $invoice_id, $history_records);
+        $request = $this->createInvoiceHistoryRequest($xero_tenant_id$invoice_id$history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -7253,9 +7253,9 @@ public function createInvoiceHistoryWithHttpInfo($xero_tenant_id, $invoice_id, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createInvoiceHistoryAsync($xero_tenant_id, $invoice_id, $history_records)
+    public function createInvoiceHistoryAsync($xero_tenant_id$invoice_id$history_records)
     {
-        return $this->createInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $history_records)
+        return $this->createInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id$invoice_id$history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -7270,10 +7270,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $history_records)
+    public function createInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id$invoice_id$history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createInvoiceHistoryRequest($xero_tenant_id, $invoice_id, $history_records);
+        $request = $this->createInvoiceHistoryRequest($xero_tenant_id$invoice_id$history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7314,7 +7314,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createInvoiceHistoryRequest($xero_tenant_id, $invoice_id, $history_records)
+    protected function createInvoiceHistoryRequest($xero_tenant_id$invoice_id$history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7426,9 +7426,9 @@ protected function createInvoiceHistoryRequest($xero_tenant_id, $invoice_id, $hi
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Invoices|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createInvoices($xero_tenant_id, $invoices, $summarize_errors = false, $unitdp = null)
+    public function createInvoices($xero_tenant_id$invoices$summarize_errors = false$unitdp = null)
     {
-        list($response) = $this->createInvoicesWithHttpInfo($xero_tenant_id, $invoices, $summarize_errors, $unitdp);
+        list($response) = $this->createInvoicesWithHttpInfo($xero_tenant_id$invoices$summarize_errors$unitdp);
         return $response;
     }
     /**
@@ -7442,9 +7442,9 @@ public function createInvoices($xero_tenant_id, $invoices, $summarize_errors = f
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Invoices|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createInvoicesWithHttpInfo($xero_tenant_id, $invoices, $summarize_errors = false, $unitdp = null)
+    public function createInvoicesWithHttpInfo($xero_tenant_id$invoices$summarize_errors = false$unitdp = null)
     {
-        $request = $this->createInvoicesRequest($xero_tenant_id, $invoices, $summarize_errors, $unitdp);
+        $request = $this->createInvoicesRequest($xero_tenant_id$invoices$summarize_errors$unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -7539,9 +7539,9 @@ public function createInvoicesWithHttpInfo($xero_tenant_id, $invoices, $summariz
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createInvoicesAsync($xero_tenant_id, $invoices, $summarize_errors = false, $unitdp = null)
+    public function createInvoicesAsync($xero_tenant_id$invoices$summarize_errors = false$unitdp = null)
     {
-        return $this->createInvoicesAsyncWithHttpInfo($xero_tenant_id, $invoices, $summarize_errors, $unitdp)
+        return $this->createInvoicesAsyncWithHttpInfo($xero_tenant_id$invoices$summarize_errors$unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -7557,10 +7557,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createInvoicesAsyncWithHttpInfo($xero_tenant_id, $invoices, $summarize_errors = false, $unitdp = null)
+    public function createInvoicesAsyncWithHttpInfo($xero_tenant_id$invoices$summarize_errors = false$unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Invoices';
-        $request = $this->createInvoicesRequest($xero_tenant_id, $invoices, $summarize_errors, $unitdp);
+        $request = $this->createInvoicesRequest($xero_tenant_id$invoices$summarize_errors$unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7602,7 +7602,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createInvoicesRequest($xero_tenant_id, $invoices, $summarize_errors = false, $unitdp = null)
+    protected function createInvoicesRequest($xero_tenant_id$invoices$summarize_errors = false$unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7707,9 +7707,9 @@ protected function createInvoicesRequest($xero_tenant_id, $invoices, $summarize_
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function createItemHistory($xero_tenant_id, $item_id, $history_records)
+    public function createItemHistory($xero_tenant_id$item_id$history_records)
     {
-        list($response) = $this->createItemHistoryWithHttpInfo($xero_tenant_id, $item_id, $history_records);
+        list($response) = $this->createItemHistoryWithHttpInfo($xero_tenant_id$item_id$history_records);
         return $response;
     }
     /**
@@ -7722,9 +7722,9 @@ public function createItemHistory($xero_tenant_id, $item_id, $history_records)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createItemHistoryWithHttpInfo($xero_tenant_id, $item_id, $history_records)
+    public function createItemHistoryWithHttpInfo($xero_tenant_id$item_id$history_records)
     {
-        $request = $this->createItemHistoryRequest($xero_tenant_id, $item_id, $history_records);
+        $request = $this->createItemHistoryRequest($xero_tenant_id$item_id$history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -7799,9 +7799,9 @@ public function createItemHistoryWithHttpInfo($xero_tenant_id, $item_id, $histor
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createItemHistoryAsync($xero_tenant_id, $item_id, $history_records)
+    public function createItemHistoryAsync($xero_tenant_id$item_id$history_records)
     {
-        return $this->createItemHistoryAsyncWithHttpInfo($xero_tenant_id, $item_id, $history_records)
+        return $this->createItemHistoryAsyncWithHttpInfo($xero_tenant_id$item_id$history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -7816,10 +7816,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createItemHistoryAsyncWithHttpInfo($xero_tenant_id, $item_id, $history_records)
+    public function createItemHistoryAsyncWithHttpInfo($xero_tenant_id$item_id$history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createItemHistoryRequest($xero_tenant_id, $item_id, $history_records);
+        $request = $this->createItemHistoryRequest($xero_tenant_id$item_id$history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7860,7 +7860,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createItemHistoryRequest($xero_tenant_id, $item_id, $history_records)
+    protected function createItemHistoryRequest($xero_tenant_id$item_id$history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7972,9 +7972,9 @@ protected function createItemHistoryRequest($xero_tenant_id, $item_id, $history_
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Items|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createItems($xero_tenant_id, $items, $summarize_errors = false, $unitdp = null)
+    public function createItems($xero_tenant_id$items$summarize_errors = false$unitdp = null)
     {
-        list($response) = $this->createItemsWithHttpInfo($xero_tenant_id, $items, $summarize_errors, $unitdp);
+        list($response) = $this->createItemsWithHttpInfo($xero_tenant_id$items$summarize_errors$unitdp);
         return $response;
     }
     /**
@@ -7988,9 +7988,9 @@ public function createItems($xero_tenant_id, $items, $summarize_errors = false,
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Items|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createItemsWithHttpInfo($xero_tenant_id, $items, $summarize_errors = false, $unitdp = null)
+    public function createItemsWithHttpInfo($xero_tenant_id$items$summarize_errors = false$unitdp = null)
     {
-        $request = $this->createItemsRequest($xero_tenant_id, $items, $summarize_errors, $unitdp);
+        $request = $this->createItemsRequest($xero_tenant_id$items$summarize_errors$unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -8085,9 +8085,9 @@ public function createItemsWithHttpInfo($xero_tenant_id, $items, $summarize_erro
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createItemsAsync($xero_tenant_id, $items, $summarize_errors = false, $unitdp = null)
+    public function createItemsAsync($xero_tenant_id$items$summarize_errors = false$unitdp = null)
     {
-        return $this->createItemsAsyncWithHttpInfo($xero_tenant_id, $items, $summarize_errors, $unitdp)
+        return $this->createItemsAsyncWithHttpInfo($xero_tenant_id$items$summarize_errors$unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -8103,10 +8103,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createItemsAsyncWithHttpInfo($xero_tenant_id, $items, $summarize_errors = false, $unitdp = null)
+    public function createItemsAsyncWithHttpInfo($xero_tenant_id$items$summarize_errors = false$unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Items';
-        $request = $this->createItemsRequest($xero_tenant_id, $items, $summarize_errors, $unitdp);
+        $request = $this->createItemsRequest($xero_tenant_id$items$summarize_errors$unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -8148,7 +8148,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createItemsRequest($xero_tenant_id, $items, $summarize_errors = false, $unitdp = null)
+    protected function createItemsRequest($xero_tenant_id$items$summarize_errors = false$unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -8252,9 +8252,9 @@ protected function createItemsRequest($xero_tenant_id, $items, $summarize_errors
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createLinkedTransaction($xero_tenant_id, $linked_transaction)
+    public function createLinkedTransaction($xero_tenant_id$linked_transaction)
     {
-        list($response) = $this->createLinkedTransactionWithHttpInfo($xero_tenant_id, $linked_transaction);
+        list($response) = $this->createLinkedTransactionWithHttpInfo($xero_tenant_id$linked_transaction);
         return $response;
     }
     /**
@@ -8266,9 +8266,9 @@ public function createLinkedTransaction($xero_tenant_id, $linked_transaction)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createLinkedTransactionWithHttpInfo($xero_tenant_id, $linked_transaction)
+    public function createLinkedTransactionWithHttpInfo($xero_tenant_id$linked_transaction)
     {
-        $request = $this->createLinkedTransactionRequest($xero_tenant_id, $linked_transaction);
+        $request = $this->createLinkedTransactionRequest($xero_tenant_id$linked_transaction);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -8361,9 +8361,9 @@ public function createLinkedTransactionWithHttpInfo($xero_tenant_id, $linked_tra
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createLinkedTransactionAsync($xero_tenant_id, $linked_transaction)
+    public function createLinkedTransactionAsync($xero_tenant_id$linked_transaction)
     {
-        return $this->createLinkedTransactionAsyncWithHttpInfo($xero_tenant_id, $linked_transaction)
+        return $this->createLinkedTransactionAsyncWithHttpInfo($xero_tenant_id$linked_transaction)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -8377,10 +8377,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\LinkedTransaction $linked_transaction LinkedTransaction object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createLinkedTransactionAsyncWithHttpInfo($xero_tenant_id, $linked_transaction)
+    public function createLinkedTransactionAsyncWithHttpInfo($xero_tenant_id$linked_transaction)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions';
-        $request = $this->createLinkedTransactionRequest($xero_tenant_id, $linked_transaction);
+        $request = $this->createLinkedTransactionRequest($xero_tenant_id$linked_transaction);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -8420,7 +8420,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\LinkedTransaction $linked_transaction LinkedTransaction object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createLinkedTransactionRequest($xero_tenant_id, $linked_transaction)
+    protected function createLinkedTransactionRequest($xero_tenant_id$linked_transaction)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -8518,9 +8518,9 @@ protected function createLinkedTransactionRequest($xero_tenant_id, $linked_trans
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createManualJournalAttachmentByFileName($xero_tenant_id, $manual_journal_id, $file_name, $body)
+    public function createManualJournalAttachmentByFileName($xero_tenant_id$manual_journal_id$file_name$body)
     {
-        list($response) = $this->createManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant_id, $manual_journal_id, $file_name, $body);
+        list($response) = $this->createManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant_id$manual_journal_id$file_name$body);
         return $response;
     }
     /**
@@ -8534,9 +8534,9 @@ public function createManualJournalAttachmentByFileName($xero_tenant_id, $manual
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant_id, $manual_journal_id, $file_name, $body)
+    public function createManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant_id$manual_journal_id$file_name$body)
     {
-        $request = $this->createManualJournalAttachmentByFileNameRequest($xero_tenant_id, $manual_journal_id, $file_name, $body);
+        $request = $this->createManualJournalAttachmentByFileNameRequest($xero_tenant_id$manual_journal_id$file_name$body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -8631,9 +8631,9 @@ public function createManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createManualJournalAttachmentByFileNameAsync($xero_tenant_id, $manual_journal_id, $file_name, $body)
+    public function createManualJournalAttachmentByFileNameAsync($xero_tenant_id$manual_journal_id$file_name$body)
     {
-        return $this->createManualJournalAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id, $file_name, $body)
+        return $this->createManualJournalAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$manual_journal_id$file_name$body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -8649,10 +8649,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createManualJournalAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id, $file_name, $body)
+    public function createManualJournalAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$manual_journal_id$file_name$body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->createManualJournalAttachmentByFileNameRequest($xero_tenant_id, $manual_journal_id, $file_name, $body);
+        $request = $this->createManualJournalAttachmentByFileNameRequest($xero_tenant_id$manual_journal_id$file_name$body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -8694,7 +8694,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createManualJournalAttachmentByFileNameRequest($xero_tenant_id, $manual_journal_id, $file_name, $body)
+    protected function createManualJournalAttachmentByFileNameRequest($xero_tenant_id$manual_journal_id$file_name$body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -8819,9 +8819,9 @@ protected function createManualJournalAttachmentByFileNameRequest($xero_tenant_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createManualJournalHistoryRecord($xero_tenant_id, $manual_journal_id, $history_records)
+    public function createManualJournalHistoryRecord($xero_tenant_id$manual_journal_id$history_records)
     {
-        list($response) = $this->createManualJournalHistoryRecordWithHttpInfo($xero_tenant_id, $manual_journal_id, $history_records);
+        list($response) = $this->createManualJournalHistoryRecordWithHttpInfo($xero_tenant_id$manual_journal_id$history_records);
         return $response;
     }
     /**
@@ -8834,9 +8834,9 @@ public function createManualJournalHistoryRecord($xero_tenant_id, $manual_journa
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createManualJournalHistoryRecordWithHttpInfo($xero_tenant_id, $manual_journal_id, $history_records)
+    public function createManualJournalHistoryRecordWithHttpInfo($xero_tenant_id$manual_journal_id$history_records)
     {
-        $request = $this->createManualJournalHistoryRecordRequest($xero_tenant_id, $manual_journal_id, $history_records);
+        $request = $this->createManualJournalHistoryRecordRequest($xero_tenant_id$manual_journal_id$history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -8930,9 +8930,9 @@ public function createManualJournalHistoryRecordWithHttpInfo($xero_tenant_id, $m
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createManualJournalHistoryRecordAsync($xero_tenant_id, $manual_journal_id, $history_records)
+    public function createManualJournalHistoryRecordAsync($xero_tenant_id$manual_journal_id$history_records)
     {
-        return $this->createManualJournalHistoryRecordAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id, $history_records)
+        return $this->createManualJournalHistoryRecordAsyncWithHttpInfo($xero_tenant_id$manual_journal_id$history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -8947,10 +8947,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createManualJournalHistoryRecordAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id, $history_records)
+    public function createManualJournalHistoryRecordAsyncWithHttpInfo($xero_tenant_id$manual_journal_id$history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createManualJournalHistoryRecordRequest($xero_tenant_id, $manual_journal_id, $history_records);
+        $request = $this->createManualJournalHistoryRecordRequest($xero_tenant_id$manual_journal_id$history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -8991,7 +8991,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createManualJournalHistoryRecordRequest($xero_tenant_id, $manual_journal_id, $history_records)
+    protected function createManualJournalHistoryRecordRequest($xero_tenant_id$manual_journal_id$history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -9102,9 +9102,9 @@ protected function createManualJournalHistoryRecordRequest($xero_tenant_id, $man
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ManualJournals|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createManualJournals($xero_tenant_id, $manual_journals, $summarize_errors = false)
+    public function createManualJournals($xero_tenant_id$manual_journals$summarize_errors = false)
     {
-        list($response) = $this->createManualJournalsWithHttpInfo($xero_tenant_id, $manual_journals, $summarize_errors);
+        list($response) = $this->createManualJournalsWithHttpInfo($xero_tenant_id$manual_journals$summarize_errors);
         return $response;
     }
     /**
@@ -9117,9 +9117,9 @@ public function createManualJournals($xero_tenant_id, $manual_journals, $summari
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ManualJournals|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createManualJournalsWithHttpInfo($xero_tenant_id, $manual_journals, $summarize_errors = false)
+    public function createManualJournalsWithHttpInfo($xero_tenant_id$manual_journals$summarize_errors = false)
     {
-        $request = $this->createManualJournalsRequest($xero_tenant_id, $manual_journals, $summarize_errors);
+        $request = $this->createManualJournalsRequest($xero_tenant_id$manual_journals$summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -9213,9 +9213,9 @@ public function createManualJournalsWithHttpInfo($xero_tenant_id, $manual_journa
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createManualJournalsAsync($xero_tenant_id, $manual_journals, $summarize_errors = false)
+    public function createManualJournalsAsync($xero_tenant_id$manual_journals$summarize_errors = false)
     {
-        return $this->createManualJournalsAsyncWithHttpInfo($xero_tenant_id, $manual_journals, $summarize_errors)
+        return $this->createManualJournalsAsyncWithHttpInfo($xero_tenant_id$manual_journals$summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -9230,10 +9230,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createManualJournalsAsyncWithHttpInfo($xero_tenant_id, $manual_journals, $summarize_errors = false)
+    public function createManualJournalsAsyncWithHttpInfo($xero_tenant_id$manual_journals$summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ManualJournals';
-        $request = $this->createManualJournalsRequest($xero_tenant_id, $manual_journals, $summarize_errors);
+        $request = $this->createManualJournalsRequest($xero_tenant_id$manual_journals$summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -9274,7 +9274,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createManualJournalsRequest($xero_tenant_id, $manual_journals, $summarize_errors = false)
+    protected function createManualJournalsRequest($xero_tenant_id$manual_journals$summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -9376,9 +9376,9 @@ protected function createManualJournalsRequest($xero_tenant_id, $manual_journals
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Allocations|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createOverpaymentAllocations($xero_tenant_id, $overpayment_id, $allocations, $summarize_errors = false)
+    public function createOverpaymentAllocations($xero_tenant_id$overpayment_id$allocations$summarize_errors = false)
     {
-        list($response) = $this->createOverpaymentAllocationsWithHttpInfo($xero_tenant_id, $overpayment_id, $allocations, $summarize_errors);
+        list($response) = $this->createOverpaymentAllocationsWithHttpInfo($xero_tenant_id$overpayment_id$allocations$summarize_errors);
         return $response;
     }
     /**
@@ -9392,9 +9392,9 @@ public function createOverpaymentAllocations($xero_tenant_id, $overpayment_id, $
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Allocations|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createOverpaymentAllocationsWithHttpInfo($xero_tenant_id, $overpayment_id, $allocations, $summarize_errors = false)
+    public function createOverpaymentAllocationsWithHttpInfo($xero_tenant_id$overpayment_id$allocations$summarize_errors = false)
     {
-        $request = $this->createOverpaymentAllocationsRequest($xero_tenant_id, $overpayment_id, $allocations, $summarize_errors);
+        $request = $this->createOverpaymentAllocationsRequest($xero_tenant_id$overpayment_id$allocations$summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -9489,9 +9489,9 @@ public function createOverpaymentAllocationsWithHttpInfo($xero_tenant_id, $overp
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createOverpaymentAllocationsAsync($xero_tenant_id, $overpayment_id, $allocations, $summarize_errors = false)
+    public function createOverpaymentAllocationsAsync($xero_tenant_id$overpayment_id$allocations$summarize_errors = false)
     {
-        return $this->createOverpaymentAllocationsAsyncWithHttpInfo($xero_tenant_id, $overpayment_id, $allocations, $summarize_errors)
+        return $this->createOverpaymentAllocationsAsyncWithHttpInfo($xero_tenant_id$overpayment_id$allocations$summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -9507,10 +9507,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createOverpaymentAllocationsAsyncWithHttpInfo($xero_tenant_id, $overpayment_id, $allocations, $summarize_errors = false)
+    public function createOverpaymentAllocationsAsyncWithHttpInfo($xero_tenant_id$overpayment_id$allocations$summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Allocations';
-        $request = $this->createOverpaymentAllocationsRequest($xero_tenant_id, $overpayment_id, $allocations, $summarize_errors);
+        $request = $this->createOverpaymentAllocationsRequest($xero_tenant_id$overpayment_id$allocations$summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -9552,7 +9552,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createOverpaymentAllocationsRequest($xero_tenant_id, $overpayment_id, $allocations, $summarize_errors = false)
+    protected function createOverpaymentAllocationsRequest($xero_tenant_id$overpayment_id$allocations$summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -9667,9 +9667,9 @@ protected function createOverpaymentAllocationsRequest($xero_tenant_id, $overpay
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createOverpaymentHistory($xero_tenant_id, $overpayment_id, $history_records)
+    public function createOverpaymentHistory($xero_tenant_id$overpayment_id$history_records)
     {
-        list($response) = $this->createOverpaymentHistoryWithHttpInfo($xero_tenant_id, $overpayment_id, $history_records);
+        list($response) = $this->createOverpaymentHistoryWithHttpInfo($xero_tenant_id$overpayment_id$history_records);
         return $response;
     }
     /**
@@ -9682,9 +9682,9 @@ public function createOverpaymentHistory($xero_tenant_id, $overpayment_id, $hist
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createOverpaymentHistoryWithHttpInfo($xero_tenant_id, $overpayment_id, $history_records)
+    public function createOverpaymentHistoryWithHttpInfo($xero_tenant_id$overpayment_id$history_records)
     {
-        $request = $this->createOverpaymentHistoryRequest($xero_tenant_id, $overpayment_id, $history_records);
+        $request = $this->createOverpaymentHistoryRequest($xero_tenant_id$overpayment_id$history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -9778,9 +9778,9 @@ public function createOverpaymentHistoryWithHttpInfo($xero_tenant_id, $overpayme
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createOverpaymentHistoryAsync($xero_tenant_id, $overpayment_id, $history_records)
+    public function createOverpaymentHistoryAsync($xero_tenant_id$overpayment_id$history_records)
     {
-        return $this->createOverpaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $overpayment_id, $history_records)
+        return $this->createOverpaymentHistoryAsyncWithHttpInfo($xero_tenant_id$overpayment_id$history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -9795,10 +9795,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createOverpaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $overpayment_id, $history_records)
+    public function createOverpaymentHistoryAsyncWithHttpInfo($xero_tenant_id$overpayment_id$history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createOverpaymentHistoryRequest($xero_tenant_id, $overpayment_id, $history_records);
+        $request = $this->createOverpaymentHistoryRequest($xero_tenant_id$overpayment_id$history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -9839,7 +9839,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createOverpaymentHistoryRequest($xero_tenant_id, $overpayment_id, $history_records)
+    protected function createOverpaymentHistoryRequest($xero_tenant_id$overpayment_id$history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -9949,9 +9949,9 @@ protected function createOverpaymentHistoryRequest($xero_tenant_id, $overpayment
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Payments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createPayment($xero_tenant_id, $payment)
+    public function createPayment($xero_tenant_id$payment)
     {
-        list($response) = $this->createPaymentWithHttpInfo($xero_tenant_id, $payment);
+        list($response) = $this->createPaymentWithHttpInfo($xero_tenant_id$payment);
         return $response;
     }
     /**
@@ -9963,9 +9963,9 @@ public function createPayment($xero_tenant_id, $payment)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Payments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPaymentWithHttpInfo($xero_tenant_id, $payment)
+    public function createPaymentWithHttpInfo($xero_tenant_id$payment)
     {
-        $request = $this->createPaymentRequest($xero_tenant_id, $payment);
+        $request = $this->createPaymentRequest($xero_tenant_id$payment);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -10058,9 +10058,9 @@ public function createPaymentWithHttpInfo($xero_tenant_id, $payment)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPaymentAsync($xero_tenant_id, $payment)
+    public function createPaymentAsync($xero_tenant_id$payment)
     {
-        return $this->createPaymentAsyncWithHttpInfo($xero_tenant_id, $payment)
+        return $this->createPaymentAsyncWithHttpInfo($xero_tenant_id$payment)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -10074,10 +10074,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Payment $payment Request body with a single Payment object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPaymentAsyncWithHttpInfo($xero_tenant_id, $payment)
+    public function createPaymentAsyncWithHttpInfo($xero_tenant_id$payment)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Payments';
-        $request = $this->createPaymentRequest($xero_tenant_id, $payment);
+        $request = $this->createPaymentRequest($xero_tenant_id$payment);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -10117,7 +10117,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Payment $payment Request body with a single Payment object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPaymentRequest($xero_tenant_id, $payment)
+    protected function createPaymentRequest($xero_tenant_id$payment)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -10214,9 +10214,9 @@ protected function createPaymentRequest($xero_tenant_id, $payment)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createPaymentHistory($xero_tenant_id, $payment_id, $history_records)
+    public function createPaymentHistory($xero_tenant_id$payment_id$history_records)
     {
-        list($response) = $this->createPaymentHistoryWithHttpInfo($xero_tenant_id, $payment_id, $history_records);
+        list($response) = $this->createPaymentHistoryWithHttpInfo($xero_tenant_id$payment_id$history_records);
         return $response;
     }
     /**
@@ -10229,9 +10229,9 @@ public function createPaymentHistory($xero_tenant_id, $payment_id, $history_reco
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPaymentHistoryWithHttpInfo($xero_tenant_id, $payment_id, $history_records)
+    public function createPaymentHistoryWithHttpInfo($xero_tenant_id$payment_id$history_records)
     {
-        $request = $this->createPaymentHistoryRequest($xero_tenant_id, $payment_id, $history_records);
+        $request = $this->createPaymentHistoryRequest($xero_tenant_id$payment_id$history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -10325,9 +10325,9 @@ public function createPaymentHistoryWithHttpInfo($xero_tenant_id, $payment_id, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPaymentHistoryAsync($xero_tenant_id, $payment_id, $history_records)
+    public function createPaymentHistoryAsync($xero_tenant_id$payment_id$history_records)
     {
-        return $this->createPaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $payment_id, $history_records)
+        return $this->createPaymentHistoryAsyncWithHttpInfo($xero_tenant_id$payment_id$history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -10342,10 +10342,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $payment_id, $history_records)
+    public function createPaymentHistoryAsyncWithHttpInfo($xero_tenant_id$payment_id$history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createPaymentHistoryRequest($xero_tenant_id, $payment_id, $history_records);
+        $request = $this->createPaymentHistoryRequest($xero_tenant_id$payment_id$history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -10386,7 +10386,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPaymentHistoryRequest($xero_tenant_id, $payment_id, $history_records)
+    protected function createPaymentHistoryRequest($xero_tenant_id$payment_id$history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -10496,9 +10496,9 @@ protected function createPaymentHistoryRequest($xero_tenant_id, $payment_id, $hi
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\PaymentServices|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createPaymentService($xero_tenant_id, $payment_services)
+    public function createPaymentService($xero_tenant_id$payment_services)
     {
-        list($response) = $this->createPaymentServiceWithHttpInfo($xero_tenant_id, $payment_services);
+        list($response) = $this->createPaymentServiceWithHttpInfo($xero_tenant_id$payment_services);
         return $response;
     }
     /**
@@ -10510,9 +10510,9 @@ public function createPaymentService($xero_tenant_id, $payment_services)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\PaymentServices|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPaymentServiceWithHttpInfo($xero_tenant_id, $payment_services)
+    public function createPaymentServiceWithHttpInfo($xero_tenant_id$payment_services)
     {
-        $request = $this->createPaymentServiceRequest($xero_tenant_id, $payment_services);
+        $request = $this->createPaymentServiceRequest($xero_tenant_id$payment_services);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -10605,9 +10605,9 @@ public function createPaymentServiceWithHttpInfo($xero_tenant_id, $payment_servi
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPaymentServiceAsync($xero_tenant_id, $payment_services)
+    public function createPaymentServiceAsync($xero_tenant_id$payment_services)
     {
-        return $this->createPaymentServiceAsyncWithHttpInfo($xero_tenant_id, $payment_services)
+        return $this->createPaymentServiceAsyncWithHttpInfo($xero_tenant_id$payment_services)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -10621,10 +10621,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\PaymentServices $payment_services PaymentServices array with PaymentService object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPaymentServiceAsyncWithHttpInfo($xero_tenant_id, $payment_services)
+    public function createPaymentServiceAsyncWithHttpInfo($xero_tenant_id$payment_services)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\PaymentServices';
-        $request = $this->createPaymentServiceRequest($xero_tenant_id, $payment_services);
+        $request = $this->createPaymentServiceRequest($xero_tenant_id$payment_services);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -10664,7 +10664,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\PaymentServices $payment_services PaymentServices array with PaymentService object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPaymentServiceRequest($xero_tenant_id, $payment_services)
+    protected function createPaymentServiceRequest($xero_tenant_id$payment_services)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -10761,9 +10761,9 @@ protected function createPaymentServiceRequest($xero_tenant_id, $payment_service
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Payments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createPayments($xero_tenant_id, $payments, $summarize_errors = false)
+    public function createPayments($xero_tenant_id$payments$summarize_errors = false)
     {
-        list($response) = $this->createPaymentsWithHttpInfo($xero_tenant_id, $payments, $summarize_errors);
+        list($response) = $this->createPaymentsWithHttpInfo($xero_tenant_id$payments$summarize_errors);
         return $response;
     }
     /**
@@ -10776,9 +10776,9 @@ public function createPayments($xero_tenant_id, $payments, $summarize_errors = f
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Payments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPaymentsWithHttpInfo($xero_tenant_id, $payments, $summarize_errors = false)
+    public function createPaymentsWithHttpInfo($xero_tenant_id$payments$summarize_errors = false)
     {
-        $request = $this->createPaymentsRequest($xero_tenant_id, $payments, $summarize_errors);
+        $request = $this->createPaymentsRequest($xero_tenant_id$payments$summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -10872,9 +10872,9 @@ public function createPaymentsWithHttpInfo($xero_tenant_id, $payments, $summariz
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPaymentsAsync($xero_tenant_id, $payments, $summarize_errors = false)
+    public function createPaymentsAsync($xero_tenant_id$payments$summarize_errors = false)
     {
-        return $this->createPaymentsAsyncWithHttpInfo($xero_tenant_id, $payments, $summarize_errors)
+        return $this->createPaymentsAsyncWithHttpInfo($xero_tenant_id$payments$summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -10889,10 +10889,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPaymentsAsyncWithHttpInfo($xero_tenant_id, $payments, $summarize_errors = false)
+    public function createPaymentsAsyncWithHttpInfo($xero_tenant_id$payments$summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Payments';
-        $request = $this->createPaymentsRequest($xero_tenant_id, $payments, $summarize_errors);
+        $request = $this->createPaymentsRequest($xero_tenant_id$payments$summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -10933,7 +10933,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPaymentsRequest($xero_tenant_id, $payments, $summarize_errors = false)
+    protected function createPaymentsRequest($xero_tenant_id$payments$summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -11035,9 +11035,9 @@ protected function createPaymentsRequest($xero_tenant_id, $payments, $summarize_
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Allocations|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createPrepaymentAllocations($xero_tenant_id, $prepayment_id, $allocations, $summarize_errors = false)
+    public function createPrepaymentAllocations($xero_tenant_id$prepayment_id$allocations$summarize_errors = false)
     {
-        list($response) = $this->createPrepaymentAllocationsWithHttpInfo($xero_tenant_id, $prepayment_id, $allocations, $summarize_errors);
+        list($response) = $this->createPrepaymentAllocationsWithHttpInfo($xero_tenant_id$prepayment_id$allocations$summarize_errors);
         return $response;
     }
     /**
@@ -11051,9 +11051,9 @@ public function createPrepaymentAllocations($xero_tenant_id, $prepayment_id, $al
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Allocations|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPrepaymentAllocationsWithHttpInfo($xero_tenant_id, $prepayment_id, $allocations, $summarize_errors = false)
+    public function createPrepaymentAllocationsWithHttpInfo($xero_tenant_id$prepayment_id$allocations$summarize_errors = false)
     {
-        $request = $this->createPrepaymentAllocationsRequest($xero_tenant_id, $prepayment_id, $allocations, $summarize_errors);
+        $request = $this->createPrepaymentAllocationsRequest($xero_tenant_id$prepayment_id$allocations$summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -11148,9 +11148,9 @@ public function createPrepaymentAllocationsWithHttpInfo($xero_tenant_id, $prepay
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPrepaymentAllocationsAsync($xero_tenant_id, $prepayment_id, $allocations, $summarize_errors = false)
+    public function createPrepaymentAllocationsAsync($xero_tenant_id$prepayment_id$allocations$summarize_errors = false)
     {
-        return $this->createPrepaymentAllocationsAsyncWithHttpInfo($xero_tenant_id, $prepayment_id, $allocations, $summarize_errors)
+        return $this->createPrepaymentAllocationsAsyncWithHttpInfo($xero_tenant_id$prepayment_id$allocations$summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -11166,10 +11166,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPrepaymentAllocationsAsyncWithHttpInfo($xero_tenant_id, $prepayment_id, $allocations, $summarize_errors = false)
+    public function createPrepaymentAllocationsAsyncWithHttpInfo($xero_tenant_id$prepayment_id$allocations$summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Allocations';
-        $request = $this->createPrepaymentAllocationsRequest($xero_tenant_id, $prepayment_id, $allocations, $summarize_errors);
+        $request = $this->createPrepaymentAllocationsRequest($xero_tenant_id$prepayment_id$allocations$summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -11211,7 +11211,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPrepaymentAllocationsRequest($xero_tenant_id, $prepayment_id, $allocations, $summarize_errors = false)
+    protected function createPrepaymentAllocationsRequest($xero_tenant_id$prepayment_id$allocations$summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -11326,9 +11326,9 @@ protected function createPrepaymentAllocationsRequest($xero_tenant_id, $prepayme
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createPrepaymentHistory($xero_tenant_id, $prepayment_id, $history_records)
+    public function createPrepaymentHistory($xero_tenant_id$prepayment_id$history_records)
     {
-        list($response) = $this->createPrepaymentHistoryWithHttpInfo($xero_tenant_id, $prepayment_id, $history_records);
+        list($response) = $this->createPrepaymentHistoryWithHttpInfo($xero_tenant_id$prepayment_id$history_records);
         return $response;
     }
     /**
@@ -11341,9 +11341,9 @@ public function createPrepaymentHistory($xero_tenant_id, $prepayment_id, $histor
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPrepaymentHistoryWithHttpInfo($xero_tenant_id, $prepayment_id, $history_records)
+    public function createPrepaymentHistoryWithHttpInfo($xero_tenant_id$prepayment_id$history_records)
     {
-        $request = $this->createPrepaymentHistoryRequest($xero_tenant_id, $prepayment_id, $history_records);
+        $request = $this->createPrepaymentHistoryRequest($xero_tenant_id$prepayment_id$history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -11437,9 +11437,9 @@ public function createPrepaymentHistoryWithHttpInfo($xero_tenant_id, $prepayment
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPrepaymentHistoryAsync($xero_tenant_id, $prepayment_id, $history_records)
+    public function createPrepaymentHistoryAsync($xero_tenant_id$prepayment_id$history_records)
     {
-        return $this->createPrepaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $prepayment_id, $history_records)
+        return $this->createPrepaymentHistoryAsyncWithHttpInfo($xero_tenant_id$prepayment_id$history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -11454,10 +11454,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPrepaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $prepayment_id, $history_records)
+    public function createPrepaymentHistoryAsyncWithHttpInfo($xero_tenant_id$prepayment_id$history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createPrepaymentHistoryRequest($xero_tenant_id, $prepayment_id, $history_records);
+        $request = $this->createPrepaymentHistoryRequest($xero_tenant_id$prepayment_id$history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -11498,7 +11498,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPrepaymentHistoryRequest($xero_tenant_id, $prepayment_id, $history_records)
+    protected function createPrepaymentHistoryRequest($xero_tenant_id$prepayment_id$history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -11610,9 +11610,9 @@ protected function createPrepaymentHistoryRequest($xero_tenant_id, $prepayment_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createPurchaseOrderAttachmentByFileName($xero_tenant_id, $purchase_order_id, $file_name, $body)
+    public function createPurchaseOrderAttachmentByFileName($xero_tenant_id$purchase_order_id$file_name$body)
     {
-        list($response) = $this->createPurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant_id, $purchase_order_id, $file_name, $body);
+        list($response) = $this->createPurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant_id$purchase_order_id$file_name$body);
         return $response;
     }
     /**
@@ -11626,9 +11626,9 @@ public function createPurchaseOrderAttachmentByFileName($xero_tenant_id, $purcha
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant_id, $purchase_order_id, $file_name, $body)
+    public function createPurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant_id$purchase_order_id$file_name$body)
     {
-        $request = $this->createPurchaseOrderAttachmentByFileNameRequest($xero_tenant_id, $purchase_order_id, $file_name, $body);
+        $request = $this->createPurchaseOrderAttachmentByFileNameRequest($xero_tenant_id$purchase_order_id$file_name$body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -11723,9 +11723,9 @@ public function createPurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPurchaseOrderAttachmentByFileNameAsync($xero_tenant_id, $purchase_order_id, $file_name, $body)
+    public function createPurchaseOrderAttachmentByFileNameAsync($xero_tenant_id$purchase_order_id$file_name$body)
     {
-        return $this->createPurchaseOrderAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id, $file_name, $body)
+        return $this->createPurchaseOrderAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$purchase_order_id$file_name$body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -11741,10 +11741,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPurchaseOrderAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id, $file_name, $body)
+    public function createPurchaseOrderAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$purchase_order_id$file_name$body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->createPurchaseOrderAttachmentByFileNameRequest($xero_tenant_id, $purchase_order_id, $file_name, $body);
+        $request = $this->createPurchaseOrderAttachmentByFileNameRequest($xero_tenant_id$purchase_order_id$file_name$body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -11786,7 +11786,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPurchaseOrderAttachmentByFileNameRequest($xero_tenant_id, $purchase_order_id, $file_name, $body)
+    protected function createPurchaseOrderAttachmentByFileNameRequest($xero_tenant_id$purchase_order_id$file_name$body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -11911,9 +11911,9 @@ protected function createPurchaseOrderAttachmentByFileNameRequest($xero_tenant_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createPurchaseOrderHistory($xero_tenant_id, $purchase_order_id, $history_records)
+    public function createPurchaseOrderHistory($xero_tenant_id$purchase_order_id$history_records)
     {
-        list($response) = $this->createPurchaseOrderHistoryWithHttpInfo($xero_tenant_id, $purchase_order_id, $history_records);
+        list($response) = $this->createPurchaseOrderHistoryWithHttpInfo($xero_tenant_id$purchase_order_id$history_records);
         return $response;
     }
     /**
@@ -11926,9 +11926,9 @@ public function createPurchaseOrderHistory($xero_tenant_id, $purchase_order_id,
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPurchaseOrderHistoryWithHttpInfo($xero_tenant_id, $purchase_order_id, $history_records)
+    public function createPurchaseOrderHistoryWithHttpInfo($xero_tenant_id$purchase_order_id$history_records)
     {
-        $request = $this->createPurchaseOrderHistoryRequest($xero_tenant_id, $purchase_order_id, $history_records);
+        $request = $this->createPurchaseOrderHistoryRequest($xero_tenant_id$purchase_order_id$history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -12022,9 +12022,9 @@ public function createPurchaseOrderHistoryWithHttpInfo($xero_tenant_id, $purchas
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPurchaseOrderHistoryAsync($xero_tenant_id, $purchase_order_id, $history_records)
+    public function createPurchaseOrderHistoryAsync($xero_tenant_id$purchase_order_id$history_records)
     {
-        return $this->createPurchaseOrderHistoryAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id, $history_records)
+        return $this->createPurchaseOrderHistoryAsyncWithHttpInfo($xero_tenant_id$purchase_order_id$history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -12039,10 +12039,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPurchaseOrderHistoryAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id, $history_records)
+    public function createPurchaseOrderHistoryAsyncWithHttpInfo($xero_tenant_id$purchase_order_id$history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createPurchaseOrderHistoryRequest($xero_tenant_id, $purchase_order_id, $history_records);
+        $request = $this->createPurchaseOrderHistoryRequest($xero_tenant_id$purchase_order_id$history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -12083,7 +12083,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPurchaseOrderHistoryRequest($xero_tenant_id, $purchase_order_id, $history_records)
+    protected function createPurchaseOrderHistoryRequest($xero_tenant_id$purchase_order_id$history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -12194,9 +12194,9 @@ protected function createPurchaseOrderHistoryRequest($xero_tenant_id, $purchase_
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createPurchaseOrders($xero_tenant_id, $purchase_orders, $summarize_errors = false)
+    public function createPurchaseOrders($xero_tenant_id$purchase_orders$summarize_errors = false)
     {
-        list($response) = $this->createPurchaseOrdersWithHttpInfo($xero_tenant_id, $purchase_orders, $summarize_errors);
+        list($response) = $this->createPurchaseOrdersWithHttpInfo($xero_tenant_id$purchase_orders$summarize_errors);
         return $response;
     }
     /**
@@ -12209,9 +12209,9 @@ public function createPurchaseOrders($xero_tenant_id, $purchase_orders, $summari
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPurchaseOrdersWithHttpInfo($xero_tenant_id, $purchase_orders, $summarize_errors = false)
+    public function createPurchaseOrdersWithHttpInfo($xero_tenant_id$purchase_orders$summarize_errors = false)
     {
-        $request = $this->createPurchaseOrdersRequest($xero_tenant_id, $purchase_orders, $summarize_errors);
+        $request = $this->createPurchaseOrdersRequest($xero_tenant_id$purchase_orders$summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -12305,9 +12305,9 @@ public function createPurchaseOrdersWithHttpInfo($xero_tenant_id, $purchase_orde
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPurchaseOrdersAsync($xero_tenant_id, $purchase_orders, $summarize_errors = false)
+    public function createPurchaseOrdersAsync($xero_tenant_id$purchase_orders$summarize_errors = false)
     {
-        return $this->createPurchaseOrdersAsyncWithHttpInfo($xero_tenant_id, $purchase_orders, $summarize_errors)
+        return $this->createPurchaseOrdersAsyncWithHttpInfo($xero_tenant_id$purchase_orders$summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -12322,10 +12322,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPurchaseOrdersAsyncWithHttpInfo($xero_tenant_id, $purchase_orders, $summarize_errors = false)
+    public function createPurchaseOrdersAsyncWithHttpInfo($xero_tenant_id$purchase_orders$summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders';
-        $request = $this->createPurchaseOrdersRequest($xero_tenant_id, $purchase_orders, $summarize_errors);
+        $request = $this->createPurchaseOrdersRequest($xero_tenant_id$purchase_orders$summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -12366,7 +12366,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPurchaseOrdersRequest($xero_tenant_id, $purchase_orders, $summarize_errors = false)
+    protected function createPurchaseOrdersRequest($xero_tenant_id$purchase_orders$summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -12468,9 +12468,9 @@ protected function createPurchaseOrdersRequest($xero_tenant_id, $purchase_orders
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createQuoteAttachmentByFileName($xero_tenant_id, $quote_id, $file_name, $body)
+    public function createQuoteAttachmentByFileName($xero_tenant_id$quote_id$file_name$body)
     {
-        list($response) = $this->createQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $quote_id, $file_name, $body);
+        list($response) = $this->createQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$quote_id$file_name$body);
         return $response;
     }
     /**
@@ -12484,9 +12484,9 @@ public function createQuoteAttachmentByFileName($xero_tenant_id, $quote_id, $fil
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $quote_id, $file_name, $body)
+    public function createQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$quote_id$file_name$body)
     {
-        $request = $this->createQuoteAttachmentByFileNameRequest($xero_tenant_id, $quote_id, $file_name, $body);
+        $request = $this->createQuoteAttachmentByFileNameRequest($xero_tenant_id$quote_id$file_name$body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -12581,9 +12581,9 @@ public function createQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $qu
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createQuoteAttachmentByFileNameAsync($xero_tenant_id, $quote_id, $file_name, $body)
+    public function createQuoteAttachmentByFileNameAsync($xero_tenant_id$quote_id$file_name$body)
     {
-        return $this->createQuoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $quote_id, $file_name, $body)
+        return $this->createQuoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$quote_id$file_name$body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -12599,10 +12599,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createQuoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $quote_id, $file_name, $body)
+    public function createQuoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$quote_id$file_name$body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->createQuoteAttachmentByFileNameRequest($xero_tenant_id, $quote_id, $file_name, $body);
+        $request = $this->createQuoteAttachmentByFileNameRequest($xero_tenant_id$quote_id$file_name$body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -12644,7 +12644,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createQuoteAttachmentByFileNameRequest($xero_tenant_id, $quote_id, $file_name, $body)
+    protected function createQuoteAttachmentByFileNameRequest($xero_tenant_id$quote_id$file_name$body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -12769,9 +12769,9 @@ protected function createQuoteAttachmentByFileNameRequest($xero_tenant_id, $quot
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createQuoteHistory($xero_tenant_id, $quote_id, $history_records)
+    public function createQuoteHistory($xero_tenant_id$quote_id$history_records)
     {
-        list($response) = $this->createQuoteHistoryWithHttpInfo($xero_tenant_id, $quote_id, $history_records);
+        list($response) = $this->createQuoteHistoryWithHttpInfo($xero_tenant_id$quote_id$history_records);
         return $response;
     }
     /**
@@ -12784,9 +12784,9 @@ public function createQuoteHistory($xero_tenant_id, $quote_id, $history_records)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createQuoteHistoryWithHttpInfo($xero_tenant_id, $quote_id, $history_records)
+    public function createQuoteHistoryWithHttpInfo($xero_tenant_id$quote_id$history_records)
     {
-        $request = $this->createQuoteHistoryRequest($xero_tenant_id, $quote_id, $history_records);
+        $request = $this->createQuoteHistoryRequest($xero_tenant_id$quote_id$history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -12880,9 +12880,9 @@ public function createQuoteHistoryWithHttpInfo($xero_tenant_id, $quote_id, $hist
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createQuoteHistoryAsync($xero_tenant_id, $quote_id, $history_records)
+    public function createQuoteHistoryAsync($xero_tenant_id$quote_id$history_records)
     {
-        return $this->createQuoteHistoryAsyncWithHttpInfo($xero_tenant_id, $quote_id, $history_records)
+        return $this->createQuoteHistoryAsyncWithHttpInfo($xero_tenant_id$quote_id$history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -12897,10 +12897,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createQuoteHistoryAsyncWithHttpInfo($xero_tenant_id, $quote_id, $history_records)
+    public function createQuoteHistoryAsyncWithHttpInfo($xero_tenant_id$quote_id$history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createQuoteHistoryRequest($xero_tenant_id, $quote_id, $history_records);
+        $request = $this->createQuoteHistoryRequest($xero_tenant_id$quote_id$history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -12941,7 +12941,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createQuoteHistoryRequest($xero_tenant_id, $quote_id, $history_records)
+    protected function createQuoteHistoryRequest($xero_tenant_id$quote_id$history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -13052,9 +13052,9 @@ protected function createQuoteHistoryRequest($xero_tenant_id, $quote_id, $histor
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Quotes|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createQuotes($xero_tenant_id, $quotes, $summarize_errors = false)
+    public function createQuotes($xero_tenant_id$quotes$summarize_errors = false)
     {
-        list($response) = $this->createQuotesWithHttpInfo($xero_tenant_id, $quotes, $summarize_errors);
+        list($response) = $this->createQuotesWithHttpInfo($xero_tenant_id$quotes$summarize_errors);
         return $response;
     }
     /**
@@ -13067,9 +13067,9 @@ public function createQuotes($xero_tenant_id, $quotes, $summarize_errors = false
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Quotes|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createQuotesWithHttpInfo($xero_tenant_id, $quotes, $summarize_errors = false)
+    public function createQuotesWithHttpInfo($xero_tenant_id$quotes$summarize_errors = false)
     {
-        $request = $this->createQuotesRequest($xero_tenant_id, $quotes, $summarize_errors);
+        $request = $this->createQuotesRequest($xero_tenant_id$quotes$summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -13163,9 +13163,9 @@ public function createQuotesWithHttpInfo($xero_tenant_id, $quotes, $summarize_er
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createQuotesAsync($xero_tenant_id, $quotes, $summarize_errors = false)
+    public function createQuotesAsync($xero_tenant_id$quotes$summarize_errors = false)
     {
-        return $this->createQuotesAsyncWithHttpInfo($xero_tenant_id, $quotes, $summarize_errors)
+        return $this->createQuotesAsyncWithHttpInfo($xero_tenant_id$quotes$summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -13180,10 +13180,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createQuotesAsyncWithHttpInfo($xero_tenant_id, $quotes, $summarize_errors = false)
+    public function createQuotesAsyncWithHttpInfo($xero_tenant_id$quotes$summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Quotes';
-        $request = $this->createQuotesRequest($xero_tenant_id, $quotes, $summarize_errors);
+        $request = $this->createQuotesRequest($xero_tenant_id$quotes$summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -13224,7 +13224,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createQuotesRequest($xero_tenant_id, $quotes, $summarize_errors = false)
+    protected function createQuotesRequest($xero_tenant_id$quotes$summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -13325,9 +13325,9 @@ protected function createQuotesRequest($xero_tenant_id, $quotes, $summarize_erro
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Receipts|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createReceipt($xero_tenant_id, $receipts, $unitdp = null)
+    public function createReceipt($xero_tenant_id$receipts$unitdp = null)
     {
-        list($response) = $this->createReceiptWithHttpInfo($xero_tenant_id, $receipts, $unitdp);
+        list($response) = $this->createReceiptWithHttpInfo($xero_tenant_id$receipts$unitdp);
         return $response;
     }
     /**
@@ -13340,9 +13340,9 @@ public function createReceipt($xero_tenant_id, $receipts, $unitdp = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Receipts|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createReceiptWithHttpInfo($xero_tenant_id, $receipts, $unitdp = null)
+    public function createReceiptWithHttpInfo($xero_tenant_id$receipts$unitdp = null)
     {
-        $request = $this->createReceiptRequest($xero_tenant_id, $receipts, $unitdp);
+        $request = $this->createReceiptRequest($xero_tenant_id$receipts$unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -13436,9 +13436,9 @@ public function createReceiptWithHttpInfo($xero_tenant_id, $receipts, $unitdp =
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createReceiptAsync($xero_tenant_id, $receipts, $unitdp = null)
+    public function createReceiptAsync($xero_tenant_id$receipts$unitdp = null)
     {
-        return $this->createReceiptAsyncWithHttpInfo($xero_tenant_id, $receipts, $unitdp)
+        return $this->createReceiptAsyncWithHttpInfo($xero_tenant_id$receipts$unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -13453,10 +13453,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createReceiptAsyncWithHttpInfo($xero_tenant_id, $receipts, $unitdp = null)
+    public function createReceiptAsyncWithHttpInfo($xero_tenant_id$receipts$unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Receipts';
-        $request = $this->createReceiptRequest($xero_tenant_id, $receipts, $unitdp);
+        $request = $this->createReceiptRequest($xero_tenant_id$receipts$unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -13497,7 +13497,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createReceiptRequest($xero_tenant_id, $receipts, $unitdp = null)
+    protected function createReceiptRequest($xero_tenant_id$receipts$unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -13599,9 +13599,9 @@ protected function createReceiptRequest($xero_tenant_id, $receipts, $unitdp = nu
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createReceiptAttachmentByFileName($xero_tenant_id, $receipt_id, $file_name, $body)
+    public function createReceiptAttachmentByFileName($xero_tenant_id$receipt_id$file_name$body)
     {
-        list($response) = $this->createReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id, $receipt_id, $file_name, $body);
+        list($response) = $this->createReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id$receipt_id$file_name$body);
         return $response;
     }
     /**
@@ -13615,9 +13615,9 @@ public function createReceiptAttachmentByFileName($xero_tenant_id, $receipt_id,
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id, $receipt_id, $file_name, $body)
+    public function createReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id$receipt_id$file_name$body)
     {
-        $request = $this->createReceiptAttachmentByFileNameRequest($xero_tenant_id, $receipt_id, $file_name, $body);
+        $request = $this->createReceiptAttachmentByFileNameRequest($xero_tenant_id$receipt_id$file_name$body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -13712,9 +13712,9 @@ public function createReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createReceiptAttachmentByFileNameAsync($xero_tenant_id, $receipt_id, $file_name, $body)
+    public function createReceiptAttachmentByFileNameAsync($xero_tenant_id$receipt_id$file_name$body)
     {
-        return $this->createReceiptAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $file_name, $body)
+        return $this->createReceiptAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$receipt_id$file_name$body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -13730,10 +13730,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createReceiptAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $file_name, $body)
+    public function createReceiptAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$receipt_id$file_name$body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->createReceiptAttachmentByFileNameRequest($xero_tenant_id, $receipt_id, $file_name, $body);
+        $request = $this->createReceiptAttachmentByFileNameRequest($xero_tenant_id$receipt_id$file_name$body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -13775,7 +13775,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createReceiptAttachmentByFileNameRequest($xero_tenant_id, $receipt_id, $file_name, $body)
+    protected function createReceiptAttachmentByFileNameRequest($xero_tenant_id$receipt_id$file_name$body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -13900,9 +13900,9 @@ protected function createReceiptAttachmentByFileNameRequest($xero_tenant_id, $re
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createReceiptHistory($xero_tenant_id, $receipt_id, $history_records)
+    public function createReceiptHistory($xero_tenant_id$receipt_id$history_records)
     {
-        list($response) = $this->createReceiptHistoryWithHttpInfo($xero_tenant_id, $receipt_id, $history_records);
+        list($response) = $this->createReceiptHistoryWithHttpInfo($xero_tenant_id$receipt_id$history_records);
         return $response;
     }
     /**
@@ -13915,9 +13915,9 @@ public function createReceiptHistory($xero_tenant_id, $receipt_id, $history_reco
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createReceiptHistoryWithHttpInfo($xero_tenant_id, $receipt_id, $history_records)
+    public function createReceiptHistoryWithHttpInfo($xero_tenant_id$receipt_id$history_records)
     {
-        $request = $this->createReceiptHistoryRequest($xero_tenant_id, $receipt_id, $history_records);
+        $request = $this->createReceiptHistoryRequest($xero_tenant_id$receipt_id$history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -14011,9 +14011,9 @@ public function createReceiptHistoryWithHttpInfo($xero_tenant_id, $receipt_id, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createReceiptHistoryAsync($xero_tenant_id, $receipt_id, $history_records)
+    public function createReceiptHistoryAsync($xero_tenant_id$receipt_id$history_records)
     {
-        return $this->createReceiptHistoryAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $history_records)
+        return $this->createReceiptHistoryAsyncWithHttpInfo($xero_tenant_id$receipt_id$history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -14028,10 +14028,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createReceiptHistoryAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $history_records)
+    public function createReceiptHistoryAsyncWithHttpInfo($xero_tenant_id$receipt_id$history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createReceiptHistoryRequest($xero_tenant_id, $receipt_id, $history_records);
+        $request = $this->createReceiptHistoryRequest($xero_tenant_id$receipt_id$history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -14072,7 +14072,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createReceiptHistoryRequest($xero_tenant_id, $receipt_id, $history_records)
+    protected function createReceiptHistoryRequest($xero_tenant_id$receipt_id$history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -14184,9 +14184,9 @@ protected function createReceiptHistoryRequest($xero_tenant_id, $receipt_id, $hi
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createRepeatingInvoiceAttachmentByFileName($xero_tenant_id, $repeating_invoice_id, $file_name, $body)
+    public function createRepeatingInvoiceAttachmentByFileName($xero_tenant_id$repeating_invoice_id$file_name$body)
     {
-        list($response) = $this->createRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $file_name, $body);
+        list($response) = $this->createRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id$repeating_invoice_id$file_name$body);
         return $response;
     }
     /**
@@ -14200,9 +14200,9 @@ public function createRepeatingInvoiceAttachmentByFileName($xero_tenant_id, $rep
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $file_name, $body)
+    public function createRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id$repeating_invoice_id$file_name$body)
     {
-        $request = $this->createRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id, $repeating_invoice_id, $file_name, $body);
+        $request = $this->createRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id$repeating_invoice_id$file_name$body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -14297,9 +14297,9 @@ public function createRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_ten
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createRepeatingInvoiceAttachmentByFileNameAsync($xero_tenant_id, $repeating_invoice_id, $file_name, $body)
+    public function createRepeatingInvoiceAttachmentByFileNameAsync($xero_tenant_id$repeating_invoice_id$file_name$body)
     {
-        return $this->createRepeatingInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $file_name, $body)
+        return $this->createRepeatingInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id$file_name$body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -14315,10 +14315,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createRepeatingInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $file_name, $body)
+    public function createRepeatingInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id$file_name$body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->createRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id, $repeating_invoice_id, $file_name, $body);
+        $request = $this->createRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id$repeating_invoice_id$file_name$body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -14360,7 +14360,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id, $repeating_invoice_id, $file_name, $body)
+    protected function createRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id$repeating_invoice_id$file_name$body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -14485,9 +14485,9 @@ protected function createRepeatingInvoiceAttachmentByFileNameRequest($xero_tenan
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createRepeatingInvoiceHistory($xero_tenant_id, $repeating_invoice_id, $history_records)
+    public function createRepeatingInvoiceHistory($xero_tenant_id$repeating_invoice_id$history_records)
     {
-        list($response) = $this->createRepeatingInvoiceHistoryWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $history_records);
+        list($response) = $this->createRepeatingInvoiceHistoryWithHttpInfo($xero_tenant_id$repeating_invoice_id$history_records);
         return $response;
     }
     /**
@@ -14500,9 +14500,9 @@ public function createRepeatingInvoiceHistory($xero_tenant_id, $repeating_invoic
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createRepeatingInvoiceHistoryWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $history_records)
+    public function createRepeatingInvoiceHistoryWithHttpInfo($xero_tenant_id$repeating_invoice_id$history_records)
     {
-        $request = $this->createRepeatingInvoiceHistoryRequest($xero_tenant_id, $repeating_invoice_id, $history_records);
+        $request = $this->createRepeatingInvoiceHistoryRequest($xero_tenant_id$repeating_invoice_id$history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -14596,9 +14596,9 @@ public function createRepeatingInvoiceHistoryWithHttpInfo($xero_tenant_id, $repe
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createRepeatingInvoiceHistoryAsync($xero_tenant_id, $repeating_invoice_id, $history_records)
+    public function createRepeatingInvoiceHistoryAsync($xero_tenant_id$repeating_invoice_id$history_records)
     {
-        return $this->createRepeatingInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $history_records)
+        return $this->createRepeatingInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id$history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -14613,10 +14613,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createRepeatingInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $history_records)
+    public function createRepeatingInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id$history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createRepeatingInvoiceHistoryRequest($xero_tenant_id, $repeating_invoice_id, $history_records);
+        $request = $this->createRepeatingInvoiceHistoryRequest($xero_tenant_id$repeating_invoice_id$history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -14657,7 +14657,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createRepeatingInvoiceHistoryRequest($xero_tenant_id, $repeating_invoice_id, $history_records)
+    protected function createRepeatingInvoiceHistoryRequest($xero_tenant_id$repeating_invoice_id$history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -14767,9 +14767,9 @@ protected function createRepeatingInvoiceHistoryRequest($xero_tenant_id, $repeat
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\TaxRates|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createTaxRates($xero_tenant_id, $tax_rates)
+    public function createTaxRates($xero_tenant_id$tax_rates)
     {
-        list($response) = $this->createTaxRatesWithHttpInfo($xero_tenant_id, $tax_rates);
+        list($response) = $this->createTaxRatesWithHttpInfo($xero_tenant_id$tax_rates);
         return $response;
     }
     /**
@@ -14781,9 +14781,9 @@ public function createTaxRates($xero_tenant_id, $tax_rates)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\TaxRates|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createTaxRatesWithHttpInfo($xero_tenant_id, $tax_rates)
+    public function createTaxRatesWithHttpInfo($xero_tenant_id$tax_rates)
     {
-        $request = $this->createTaxRatesRequest($xero_tenant_id, $tax_rates);
+        $request = $this->createTaxRatesRequest($xero_tenant_id$tax_rates);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -14876,9 +14876,9 @@ public function createTaxRatesWithHttpInfo($xero_tenant_id, $tax_rates)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createTaxRatesAsync($xero_tenant_id, $tax_rates)
+    public function createTaxRatesAsync($xero_tenant_id$tax_rates)
     {
-        return $this->createTaxRatesAsyncWithHttpInfo($xero_tenant_id, $tax_rates)
+        return $this->createTaxRatesAsyncWithHttpInfo($xero_tenant_id$tax_rates)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -14892,10 +14892,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\TaxRates $tax_rates TaxRates array with TaxRate object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createTaxRatesAsyncWithHttpInfo($xero_tenant_id, $tax_rates)
+    public function createTaxRatesAsyncWithHttpInfo($xero_tenant_id$tax_rates)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\TaxRates';
-        $request = $this->createTaxRatesRequest($xero_tenant_id, $tax_rates);
+        $request = $this->createTaxRatesRequest($xero_tenant_id$tax_rates);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -14935,7 +14935,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\TaxRates $tax_rates TaxRates array with TaxRate object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createTaxRatesRequest($xero_tenant_id, $tax_rates)
+    protected function createTaxRatesRequest($xero_tenant_id$tax_rates)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -15031,9 +15031,9 @@ protected function createTaxRatesRequest($xero_tenant_id, $tax_rates)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\TrackingCategories|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createTrackingCategory($xero_tenant_id, $tracking_category)
+    public function createTrackingCategory($xero_tenant_id$tracking_category)
     {
-        list($response) = $this->createTrackingCategoryWithHttpInfo($xero_tenant_id, $tracking_category);
+        list($response) = $this->createTrackingCategoryWithHttpInfo($xero_tenant_id$tracking_category);
         return $response;
     }
     /**
@@ -15045,9 +15045,9 @@ public function createTrackingCategory($xero_tenant_id, $tracking_category)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\TrackingCategories|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createTrackingCategoryWithHttpInfo($xero_tenant_id, $tracking_category)
+    public function createTrackingCategoryWithHttpInfo($xero_tenant_id$tracking_category)
     {
-        $request = $this->createTrackingCategoryRequest($xero_tenant_id, $tracking_category);
+        $request = $this->createTrackingCategoryRequest($xero_tenant_id$tracking_category);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -15140,9 +15140,9 @@ public function createTrackingCategoryWithHttpInfo($xero_tenant_id, $tracking_ca
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createTrackingCategoryAsync($xero_tenant_id, $tracking_category)
+    public function createTrackingCategoryAsync($xero_tenant_id$tracking_category)
     {
-        return $this->createTrackingCategoryAsyncWithHttpInfo($xero_tenant_id, $tracking_category)
+        return $this->createTrackingCategoryAsyncWithHttpInfo($xero_tenant_id$tracking_category)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -15156,10 +15156,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\TrackingCategory $tracking_category TrackingCategory object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createTrackingCategoryAsyncWithHttpInfo($xero_tenant_id, $tracking_category)
+    public function createTrackingCategoryAsyncWithHttpInfo($xero_tenant_id$tracking_category)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\TrackingCategories';
-        $request = $this->createTrackingCategoryRequest($xero_tenant_id, $tracking_category);
+        $request = $this->createTrackingCategoryRequest($xero_tenant_id$tracking_category);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -15199,7 +15199,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\TrackingCategory $tracking_category TrackingCategory object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createTrackingCategoryRequest($xero_tenant_id, $tracking_category)
+    protected function createTrackingCategoryRequest($xero_tenant_id$tracking_category)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -15296,9 +15296,9 @@ protected function createTrackingCategoryRequest($xero_tenant_id, $tracking_cate
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\TrackingOptions|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createTrackingOptions($xero_tenant_id, $tracking_category_id, $tracking_option)
+    public function createTrackingOptions($xero_tenant_id$tracking_category_id$tracking_option)
     {
-        list($response) = $this->createTrackingOptionsWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_option);
+        list($response) = $this->createTrackingOptionsWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_option);
         return $response;
     }
     /**
@@ -15311,9 +15311,9 @@ public function createTrackingOptions($xero_tenant_id, $tracking_category_id, $t
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\TrackingOptions|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createTrackingOptionsWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_option)
+    public function createTrackingOptionsWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_option)
     {
-        $request = $this->createTrackingOptionsRequest($xero_tenant_id, $tracking_category_id, $tracking_option);
+        $request = $this->createTrackingOptionsRequest($xero_tenant_id$tracking_category_id$tracking_option);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -15407,9 +15407,9 @@ public function createTrackingOptionsWithHttpInfo($xero_tenant_id, $tracking_cat
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createTrackingOptionsAsync($xero_tenant_id, $tracking_category_id, $tracking_option)
+    public function createTrackingOptionsAsync($xero_tenant_id$tracking_category_id$tracking_option)
     {
-        return $this->createTrackingOptionsAsyncWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_option)
+        return $this->createTrackingOptionsAsyncWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_option)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -15424,10 +15424,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\TrackingOption $tracking_option TrackingOption object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createTrackingOptionsAsyncWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_option)
+    public function createTrackingOptionsAsyncWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_option)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\TrackingOptions';
-        $request = $this->createTrackingOptionsRequest($xero_tenant_id, $tracking_category_id, $tracking_option);
+        $request = $this->createTrackingOptionsRequest($xero_tenant_id$tracking_category_id$tracking_option);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -15468,7 +15468,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\TrackingOption $tracking_option TrackingOption object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createTrackingOptionsRequest($xero_tenant_id, $tracking_category_id, $tracking_option)
+    protected function createTrackingOptionsRequest($xero_tenant_id$tracking_category_id$tracking_option)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -15578,9 +15578,9 @@ protected function createTrackingOptionsRequest($xero_tenant_id, $tracking_categ
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Accounts|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function deleteAccount($xero_tenant_id, $account_id)
+    public function deleteAccount($xero_tenant_id$account_id)
     {
-        list($response) = $this->deleteAccountWithHttpInfo($xero_tenant_id, $account_id);
+        list($response) = $this->deleteAccountWithHttpInfo($xero_tenant_id$account_id);
         return $response;
     }
     /**
@@ -15592,9 +15592,9 @@ public function deleteAccount($xero_tenant_id, $account_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Accounts|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteAccountWithHttpInfo($xero_tenant_id, $account_id)
+    public function deleteAccountWithHttpInfo($xero_tenant_id$account_id)
     {
-        $request = $this->deleteAccountRequest($xero_tenant_id, $account_id);
+        $request = $this->deleteAccountRequest($xero_tenant_id$account_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -15687,9 +15687,9 @@ public function deleteAccountWithHttpInfo($xero_tenant_id, $account_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteAccountAsync($xero_tenant_id, $account_id)
+    public function deleteAccountAsync($xero_tenant_id$account_id)
     {
-        return $this->deleteAccountAsyncWithHttpInfo($xero_tenant_id, $account_id)
+        return $this->deleteAccountAsyncWithHttpInfo($xero_tenant_id$account_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -15703,10 +15703,10 @@ function ($response) {
      * @param  string $account_id Unique identifier for Account object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteAccountAsyncWithHttpInfo($xero_tenant_id, $account_id)
+    public function deleteAccountAsyncWithHttpInfo($xero_tenant_id$account_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Accounts';
-        $request = $this->deleteAccountRequest($xero_tenant_id, $account_id);
+        $request = $this->deleteAccountRequest($xero_tenant_id$account_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -15746,7 +15746,7 @@ function ($exception) {
      * @param  string $account_id Unique identifier for Account object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteAccountRequest($xero_tenant_id, $account_id)
+    protected function deleteAccountRequest($xero_tenant_id$account_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -15848,9 +15848,9 @@ protected function deleteAccountRequest($xero_tenant_id, $account_id)
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function deleteContactGroupContact($xero_tenant_id, $contact_group_id, $contact_id)
+    public function deleteContactGroupContact($xero_tenant_id$contact_group_id$contact_id)
     {
-        $this->deleteContactGroupContactWithHttpInfo($xero_tenant_id, $contact_group_id, $contact_id);
+        $this->deleteContactGroupContactWithHttpInfo($xero_tenant_id$contact_group_id$contact_id);
     }
     /**
      * Operation deleteContactGroupContactWithHttpInfo
@@ -15862,9 +15862,9 @@ public function deleteContactGroupContact($xero_tenant_id, $contact_group_id, $c
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteContactGroupContactWithHttpInfo($xero_tenant_id, $contact_group_id, $contact_id)
+    public function deleteContactGroupContactWithHttpInfo($xero_tenant_id$contact_group_id$contact_id)
     {
-        $request = $this->deleteContactGroupContactRequest($xero_tenant_id, $contact_group_id, $contact_id);
+        $request = $this->deleteContactGroupContactRequest($xero_tenant_id$contact_group_id$contact_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -15914,9 +15914,9 @@ public function deleteContactGroupContactWithHttpInfo($xero_tenant_id, $contact_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteContactGroupContactAsync($xero_tenant_id, $contact_group_id, $contact_id)
+    public function deleteContactGroupContactAsync($xero_tenant_id$contact_group_id$contact_id)
     {
-        return $this->deleteContactGroupContactAsyncWithHttpInfo($xero_tenant_id, $contact_group_id, $contact_id)
+        return $this->deleteContactGroupContactAsyncWithHttpInfo($xero_tenant_id$contact_group_id$contact_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -15931,10 +15931,10 @@ function ($response) {
      * @param  string $contact_id Unique identifier for a Contact (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteContactGroupContactAsyncWithHttpInfo($xero_tenant_id, $contact_group_id, $contact_id)
+    public function deleteContactGroupContactAsyncWithHttpInfo($xero_tenant_id$contact_group_id$contact_id)
     {
         $returnType = '';
-        $request = $this->deleteContactGroupContactRequest($xero_tenant_id, $contact_group_id, $contact_id);
+        $request = $this->deleteContactGroupContactRequest($xero_tenant_id$contact_group_id$contact_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -15965,7 +15965,7 @@ function ($exception) {
      * @param  string $contact_id Unique identifier for a Contact (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteContactGroupContactRequest($xero_tenant_id, $contact_group_id, $contact_id)
+    protected function deleteContactGroupContactRequest($xero_tenant_id$contact_group_id$contact_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -16080,9 +16080,9 @@ protected function deleteContactGroupContactRequest($xero_tenant_id, $contact_gr
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function deleteContactGroupContacts($xero_tenant_id, $contact_group_id)
+    public function deleteContactGroupContacts($xero_tenant_id$contact_group_id)
     {
-        $this->deleteContactGroupContactsWithHttpInfo($xero_tenant_id, $contact_group_id);
+        $this->deleteContactGroupContactsWithHttpInfo($xero_tenant_id$contact_group_id);
     }
     /**
      * Operation deleteContactGroupContactsWithHttpInfo
@@ -16093,9 +16093,9 @@ public function deleteContactGroupContacts($xero_tenant_id, $contact_group_id)
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteContactGroupContactsWithHttpInfo($xero_tenant_id, $contact_group_id)
+    public function deleteContactGroupContactsWithHttpInfo($xero_tenant_id$contact_group_id)
     {
-        $request = $this->deleteContactGroupContactsRequest($xero_tenant_id, $contact_group_id);
+        $request = $this->deleteContactGroupContactsRequest($xero_tenant_id$contact_group_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -16136,9 +16136,9 @@ public function deleteContactGroupContactsWithHttpInfo($xero_tenant_id, $contact
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteContactGroupContactsAsync($xero_tenant_id, $contact_group_id)
+    public function deleteContactGroupContactsAsync($xero_tenant_id$contact_group_id)
     {
-        return $this->deleteContactGroupContactsAsyncWithHttpInfo($xero_tenant_id, $contact_group_id)
+        return $this->deleteContactGroupContactsAsyncWithHttpInfo($xero_tenant_id$contact_group_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -16152,10 +16152,10 @@ function ($response) {
      * @param  string $contact_group_id Unique identifier for a Contact Group (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteContactGroupContactsAsyncWithHttpInfo($xero_tenant_id, $contact_group_id)
+    public function deleteContactGroupContactsAsyncWithHttpInfo($xero_tenant_id$contact_group_id)
     {
         $returnType = '';
-        $request = $this->deleteContactGroupContactsRequest($xero_tenant_id, $contact_group_id);
+        $request = $this->deleteContactGroupContactsRequest($xero_tenant_id$contact_group_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -16185,7 +16185,7 @@ function ($exception) {
      * @param  string $contact_group_id Unique identifier for a Contact Group (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteContactGroupContactsRequest($xero_tenant_id, $contact_group_id)
+    protected function deleteContactGroupContactsRequest($xero_tenant_id$contact_group_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -16286,9 +16286,9 @@ protected function deleteContactGroupContactsRequest($xero_tenant_id, $contact_g
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function deleteItem($xero_tenant_id, $item_id)
+    public function deleteItem($xero_tenant_id$item_id)
     {
-        $this->deleteItemWithHttpInfo($xero_tenant_id, $item_id);
+        $this->deleteItemWithHttpInfo($xero_tenant_id$item_id);
     }
     /**
      * Operation deleteItemWithHttpInfo
@@ -16299,9 +16299,9 @@ public function deleteItem($xero_tenant_id, $item_id)
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteItemWithHttpInfo($xero_tenant_id, $item_id)
+    public function deleteItemWithHttpInfo($xero_tenant_id$item_id)
     {
-        $request = $this->deleteItemRequest($xero_tenant_id, $item_id);
+        $request = $this->deleteItemRequest($xero_tenant_id$item_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -16350,9 +16350,9 @@ public function deleteItemWithHttpInfo($xero_tenant_id, $item_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteItemAsync($xero_tenant_id, $item_id)
+    public function deleteItemAsync($xero_tenant_id$item_id)
     {
-        return $this->deleteItemAsyncWithHttpInfo($xero_tenant_id, $item_id)
+        return $this->deleteItemAsyncWithHttpInfo($xero_tenant_id$item_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -16366,10 +16366,10 @@ function ($response) {
      * @param  string $item_id Unique identifier for an Item (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteItemAsyncWithHttpInfo($xero_tenant_id, $item_id)
+    public function deleteItemAsyncWithHttpInfo($xero_tenant_id$item_id)
     {
         $returnType = '';
-        $request = $this->deleteItemRequest($xero_tenant_id, $item_id);
+        $request = $this->deleteItemRequest($xero_tenant_id$item_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -16399,7 +16399,7 @@ function ($exception) {
      * @param  string $item_id Unique identifier for an Item (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteItemRequest($xero_tenant_id, $item_id)
+    protected function deleteItemRequest($xero_tenant_id$item_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -16500,9 +16500,9 @@ protected function deleteItemRequest($xero_tenant_id, $item_id)
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function deleteLinkedTransaction($xero_tenant_id, $linked_transaction_id)
+    public function deleteLinkedTransaction($xero_tenant_id$linked_transaction_id)
     {
-        $this->deleteLinkedTransactionWithHttpInfo($xero_tenant_id, $linked_transaction_id);
+        $this->deleteLinkedTransactionWithHttpInfo($xero_tenant_id$linked_transaction_id);
     }
     /**
      * Operation deleteLinkedTransactionWithHttpInfo
@@ -16513,9 +16513,9 @@ public function deleteLinkedTransaction($xero_tenant_id, $linked_transaction_id)
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteLinkedTransactionWithHttpInfo($xero_tenant_id, $linked_transaction_id)
+    public function deleteLinkedTransactionWithHttpInfo($xero_tenant_id$linked_transaction_id)
     {
-        $request = $this->deleteLinkedTransactionRequest($xero_tenant_id, $linked_transaction_id);
+        $request = $this->deleteLinkedTransactionRequest($xero_tenant_id$linked_transaction_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -16564,9 +16564,9 @@ public function deleteLinkedTransactionWithHttpInfo($xero_tenant_id, $linked_tra
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteLinkedTransactionAsync($xero_tenant_id, $linked_transaction_id)
+    public function deleteLinkedTransactionAsync($xero_tenant_id$linked_transaction_id)
     {
-        return $this->deleteLinkedTransactionAsyncWithHttpInfo($xero_tenant_id, $linked_transaction_id)
+        return $this->deleteLinkedTransactionAsyncWithHttpInfo($xero_tenant_id$linked_transaction_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -16580,10 +16580,10 @@ function ($response) {
      * @param  string $linked_transaction_id Unique identifier for a LinkedTransaction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteLinkedTransactionAsyncWithHttpInfo($xero_tenant_id, $linked_transaction_id)
+    public function deleteLinkedTransactionAsyncWithHttpInfo($xero_tenant_id$linked_transaction_id)
     {
         $returnType = '';
-        $request = $this->deleteLinkedTransactionRequest($xero_tenant_id, $linked_transaction_id);
+        $request = $this->deleteLinkedTransactionRequest($xero_tenant_id$linked_transaction_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -16613,7 +16613,7 @@ function ($exception) {
      * @param  string $linked_transaction_id Unique identifier for a LinkedTransaction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteLinkedTransactionRequest($xero_tenant_id, $linked_transaction_id)
+    protected function deleteLinkedTransactionRequest($xero_tenant_id$linked_transaction_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -16715,9 +16715,9 @@ protected function deleteLinkedTransactionRequest($xero_tenant_id, $linked_trans
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Payments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function deletePayment($xero_tenant_id, $payment_id, $payment_delete)
+    public function deletePayment($xero_tenant_id$payment_id$payment_delete)
     {
-        list($response) = $this->deletePaymentWithHttpInfo($xero_tenant_id, $payment_id, $payment_delete);
+        list($response) = $this->deletePaymentWithHttpInfo($xero_tenant_id$payment_id$payment_delete);
         return $response;
     }
     /**
@@ -16730,9 +16730,9 @@ public function deletePayment($xero_tenant_id, $payment_id, $payment_delete)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Payments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deletePaymentWithHttpInfo($xero_tenant_id, $payment_id, $payment_delete)
+    public function deletePaymentWithHttpInfo($xero_tenant_id$payment_id$payment_delete)
     {
-        $request = $this->deletePaymentRequest($xero_tenant_id, $payment_id, $payment_delete);
+        $request = $this->deletePaymentRequest($xero_tenant_id$payment_id$payment_delete);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -16826,9 +16826,9 @@ public function deletePaymentWithHttpInfo($xero_tenant_id, $payment_id, $payment
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deletePaymentAsync($xero_tenant_id, $payment_id, $payment_delete)
+    public function deletePaymentAsync($xero_tenant_id$payment_id$payment_delete)
     {
-        return $this->deletePaymentAsyncWithHttpInfo($xero_tenant_id, $payment_id, $payment_delete)
+        return $this->deletePaymentAsyncWithHttpInfo($xero_tenant_id$payment_id$payment_delete)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -16843,10 +16843,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\PaymentDelete $payment_delete (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deletePaymentAsyncWithHttpInfo($xero_tenant_id, $payment_id, $payment_delete)
+    public function deletePaymentAsyncWithHttpInfo($xero_tenant_id$payment_id$payment_delete)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Payments';
-        $request = $this->deletePaymentRequest($xero_tenant_id, $payment_id, $payment_delete);
+        $request = $this->deletePaymentRequest($xero_tenant_id$payment_id$payment_delete);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -16887,7 +16887,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\PaymentDelete $payment_delete (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deletePaymentRequest($xero_tenant_id, $payment_id, $payment_delete)
+    protected function deletePaymentRequest($xero_tenant_id$payment_id$payment_delete)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -16997,9 +16997,9 @@ protected function deletePaymentRequest($xero_tenant_id, $payment_id, $payment_d
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\TrackingCategories|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function deleteTrackingCategory($xero_tenant_id, $tracking_category_id)
+    public function deleteTrackingCategory($xero_tenant_id$tracking_category_id)
     {
-        list($response) = $this->deleteTrackingCategoryWithHttpInfo($xero_tenant_id, $tracking_category_id);
+        list($response) = $this->deleteTrackingCategoryWithHttpInfo($xero_tenant_id$tracking_category_id);
         return $response;
     }
     /**
@@ -17011,9 +17011,9 @@ public function deleteTrackingCategory($xero_tenant_id, $tracking_category_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\TrackingCategories|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteTrackingCategoryWithHttpInfo($xero_tenant_id, $tracking_category_id)
+    public function deleteTrackingCategoryWithHttpInfo($xero_tenant_id$tracking_category_id)
     {
-        $request = $this->deleteTrackingCategoryRequest($xero_tenant_id, $tracking_category_id);
+        $request = $this->deleteTrackingCategoryRequest($xero_tenant_id$tracking_category_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -17106,9 +17106,9 @@ public function deleteTrackingCategoryWithHttpInfo($xero_tenant_id, $tracking_ca
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteTrackingCategoryAsync($xero_tenant_id, $tracking_category_id)
+    public function deleteTrackingCategoryAsync($xero_tenant_id$tracking_category_id)
     {
-        return $this->deleteTrackingCategoryAsyncWithHttpInfo($xero_tenant_id, $tracking_category_id)
+        return $this->deleteTrackingCategoryAsyncWithHttpInfo($xero_tenant_id$tracking_category_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -17122,10 +17122,10 @@ function ($response) {
      * @param  string $tracking_category_id Unique identifier for a TrackingCategory (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteTrackingCategoryAsyncWithHttpInfo($xero_tenant_id, $tracking_category_id)
+    public function deleteTrackingCategoryAsyncWithHttpInfo($xero_tenant_id$tracking_category_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\TrackingCategories';
-        $request = $this->deleteTrackingCategoryRequest($xero_tenant_id, $tracking_category_id);
+        $request = $this->deleteTrackingCategoryRequest($xero_tenant_id$tracking_category_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -17165,7 +17165,7 @@ function ($exception) {
      * @param  string $tracking_category_id Unique identifier for a TrackingCategory (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteTrackingCategoryRequest($xero_tenant_id, $tracking_category_id)
+    protected function deleteTrackingCategoryRequest($xero_tenant_id$tracking_category_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -17267,9 +17267,9 @@ protected function deleteTrackingCategoryRequest($xero_tenant_id, $tracking_cate
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\TrackingOptions|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function deleteTrackingOptions($xero_tenant_id, $tracking_category_id, $tracking_option_id)
+    public function deleteTrackingOptions($xero_tenant_id$tracking_category_id$tracking_option_id)
     {
-        list($response) = $this->deleteTrackingOptionsWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_option_id);
+        list($response) = $this->deleteTrackingOptionsWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_option_id);
         return $response;
     }
     /**
@@ -17282,9 +17282,9 @@ public function deleteTrackingOptions($xero_tenant_id, $tracking_category_id, $t
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\TrackingOptions|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteTrackingOptionsWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_option_id)
+    public function deleteTrackingOptionsWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_option_id)
     {
-        $request = $this->deleteTrackingOptionsRequest($xero_tenant_id, $tracking_category_id, $tracking_option_id);
+        $request = $this->deleteTrackingOptionsRequest($xero_tenant_id$tracking_category_id$tracking_option_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -17378,9 +17378,9 @@ public function deleteTrackingOptionsWithHttpInfo($xero_tenant_id, $tracking_cat
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteTrackingOptionsAsync($xero_tenant_id, $tracking_category_id, $tracking_option_id)
+    public function deleteTrackingOptionsAsync($xero_tenant_id$tracking_category_id$tracking_option_id)
     {
-        return $this->deleteTrackingOptionsAsyncWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_option_id)
+        return $this->deleteTrackingOptionsAsyncWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_option_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -17395,10 +17395,10 @@ function ($response) {
      * @param  string $tracking_option_id Unique identifier for a Tracking Option (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteTrackingOptionsAsyncWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_option_id)
+    public function deleteTrackingOptionsAsyncWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_option_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\TrackingOptions';
-        $request = $this->deleteTrackingOptionsRequest($xero_tenant_id, $tracking_category_id, $tracking_option_id);
+        $request = $this->deleteTrackingOptionsRequest($xero_tenant_id$tracking_category_id$tracking_option_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -17439,7 +17439,7 @@ function ($exception) {
      * @param  string $tracking_option_id Unique identifier for a Tracking Option (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteTrackingOptionsRequest($xero_tenant_id, $tracking_category_id, $tracking_option_id)
+    protected function deleteTrackingOptionsRequest($xero_tenant_id$tracking_category_id$tracking_option_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -17555,9 +17555,9 @@ protected function deleteTrackingOptionsRequest($xero_tenant_id, $tracking_categ
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function emailInvoice($xero_tenant_id, $invoice_id, $request_empty)
+    public function emailInvoice($xero_tenant_id$invoice_id$request_empty)
     {
-        $this->emailInvoiceWithHttpInfo($xero_tenant_id, $invoice_id, $request_empty);
+        $this->emailInvoiceWithHttpInfo($xero_tenant_id$invoice_id$request_empty);
     }
     /**
      * Operation emailInvoiceWithHttpInfo
@@ -17569,9 +17569,9 @@ public function emailInvoice($xero_tenant_id, $invoice_id, $request_empty)
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function emailInvoiceWithHttpInfo($xero_tenant_id, $invoice_id, $request_empty)
+    public function emailInvoiceWithHttpInfo($xero_tenant_id$invoice_id$request_empty)
     {
-        $request = $this->emailInvoiceRequest($xero_tenant_id, $invoice_id, $request_empty);
+        $request = $this->emailInvoiceRequest($xero_tenant_id$invoice_id$request_empty);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -17621,9 +17621,9 @@ public function emailInvoiceWithHttpInfo($xero_tenant_id, $invoice_id, $request_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function emailInvoiceAsync($xero_tenant_id, $invoice_id, $request_empty)
+    public function emailInvoiceAsync($xero_tenant_id$invoice_id$request_empty)
     {
-        return $this->emailInvoiceAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $request_empty)
+        return $this->emailInvoiceAsyncWithHttpInfo($xero_tenant_id$invoice_id$request_empty)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -17638,10 +17638,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\RequestEmpty $request_empty (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function emailInvoiceAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $request_empty)
+    public function emailInvoiceAsyncWithHttpInfo($xero_tenant_id$invoice_id$request_empty)
     {
         $returnType = '';
-        $request = $this->emailInvoiceRequest($xero_tenant_id, $invoice_id, $request_empty);
+        $request = $this->emailInvoiceRequest($xero_tenant_id$invoice_id$request_empty);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -17672,7 +17672,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\RequestEmpty $request_empty (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function emailInvoiceRequest($xero_tenant_id, $invoice_id, $request_empty)
+    protected function emailInvoiceRequest($xero_tenant_id$invoice_id$request_empty)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -17782,9 +17782,9 @@ protected function emailInvoiceRequest($xero_tenant_id, $invoice_id, $request_em
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Accounts
      */
-    public function getAccount($xero_tenant_id, $account_id)
+    public function getAccount($xero_tenant_id$account_id)
     {
-        list($response) = $this->getAccountWithHttpInfo($xero_tenant_id, $account_id);
+        list($response) = $this->getAccountWithHttpInfo($xero_tenant_id$account_id);
         return $response;
     }
     /**
@@ -17796,9 +17796,9 @@ public function getAccount($xero_tenant_id, $account_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Accounts, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getAccountWithHttpInfo($xero_tenant_id, $account_id)
+    public function getAccountWithHttpInfo($xero_tenant_id$account_id)
     {
-        $request = $this->getAccountRequest($xero_tenant_id, $account_id);
+        $request = $this->getAccountRequest($xero_tenant_id$account_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -17872,9 +17872,9 @@ public function getAccountWithHttpInfo($xero_tenant_id, $account_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getAccountAsync($xero_tenant_id, $account_id)
+    public function getAccountAsync($xero_tenant_id$account_id)
     {
-        return $this->getAccountAsyncWithHttpInfo($xero_tenant_id, $account_id)
+        return $this->getAccountAsyncWithHttpInfo($xero_tenant_id$account_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -17888,10 +17888,10 @@ function ($response) {
      * @param  string $account_id Unique identifier for Account object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getAccountAsyncWithHttpInfo($xero_tenant_id, $account_id)
+    public function getAccountAsyncWithHttpInfo($xero_tenant_id$account_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Accounts';
-        $request = $this->getAccountRequest($xero_tenant_id, $account_id);
+        $request = $this->getAccountRequest($xero_tenant_id$account_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -17931,7 +17931,7 @@ function ($exception) {
      * @param  string $account_id Unique identifier for Account object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getAccountRequest($xero_tenant_id, $account_id)
+    protected function getAccountRequest($xero_tenant_id$account_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -18034,9 +18034,9 @@ protected function getAccountRequest($xero_tenant_id, $account_id)
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getAccountAttachmentByFileName($xero_tenant_id, $account_id, $file_name, $content_type)
+    public function getAccountAttachmentByFileName($xero_tenant_id$account_id$file_name$content_type)
     {
-        list($response) = $this->getAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id, $account_id, $file_name, $content_type);
+        list($response) = $this->getAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id$account_id$file_name$content_type);
         return $response;
     }
     /**
@@ -18050,9 +18050,9 @@ public function getAccountAttachmentByFileName($xero_tenant_id, $account_id, $fi
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id, $account_id, $file_name, $content_type)
+    public function getAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id$account_id$file_name$content_type)
     {
-        $request = $this->getAccountAttachmentByFileNameRequest($xero_tenant_id, $account_id, $file_name, $content_type);
+        $request = $this->getAccountAttachmentByFileNameRequest($xero_tenant_id$account_id$file_name$content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -18128,9 +18128,9 @@ public function getAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id, $acc
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getAccountAttachmentByFileNameAsync($xero_tenant_id, $account_id, $file_name, $content_type)
+    public function getAccountAttachmentByFileNameAsync($xero_tenant_id$account_id$file_name$content_type)
     {
-        return $this->getAccountAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $account_id, $file_name, $content_type)
+        return $this->getAccountAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$account_id$file_name$content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -18146,10 +18146,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getAccountAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $account_id, $file_name, $content_type)
+    public function getAccountAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$account_id$file_name$content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getAccountAttachmentByFileNameRequest($xero_tenant_id, $account_id, $file_name, $content_type);
+        $request = $this->getAccountAttachmentByFileNameRequest($xero_tenant_id$account_id$file_name$content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -18191,7 +18191,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getAccountAttachmentByFileNameRequest($xero_tenant_id, $account_id, $file_name, $content_type)
+    protected function getAccountAttachmentByFileNameRequest($xero_tenant_id$account_id$file_name$content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -18318,9 +18318,9 @@ protected function getAccountAttachmentByFileNameRequest($xero_tenant_id, $accou
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getAccountAttachmentById($xero_tenant_id, $account_id, $attachment_id, $content_type)
+    public function getAccountAttachmentById($xero_tenant_id$account_id$attachment_id$content_type)
     {
-        list($response) = $this->getAccountAttachmentByIdWithHttpInfo($xero_tenant_id, $account_id, $attachment_id, $content_type);
+        list($response) = $this->getAccountAttachmentByIdWithHttpInfo($xero_tenant_id$account_id$attachment_id$content_type);
         return $response;
     }
     /**
@@ -18334,9 +18334,9 @@ public function getAccountAttachmentById($xero_tenant_id, $account_id, $attachme
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getAccountAttachmentByIdWithHttpInfo($xero_tenant_id, $account_id, $attachment_id, $content_type)
+    public function getAccountAttachmentByIdWithHttpInfo($xero_tenant_id$account_id$attachment_id$content_type)
     {
-        $request = $this->getAccountAttachmentByIdRequest($xero_tenant_id, $account_id, $attachment_id, $content_type);
+        $request = $this->getAccountAttachmentByIdRequest($xero_tenant_id$account_id$attachment_id$content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -18412,9 +18412,9 @@ public function getAccountAttachmentByIdWithHttpInfo($xero_tenant_id, $account_i
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getAccountAttachmentByIdAsync($xero_tenant_id, $account_id, $attachment_id, $content_type)
+    public function getAccountAttachmentByIdAsync($xero_tenant_id$account_id$attachment_id$content_type)
     {
-        return $this->getAccountAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $account_id, $attachment_id, $content_type)
+        return $this->getAccountAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$account_id$attachment_id$content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -18430,10 +18430,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getAccountAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $account_id, $attachment_id, $content_type)
+    public function getAccountAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$account_id$attachment_id$content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getAccountAttachmentByIdRequest($xero_tenant_id, $account_id, $attachment_id, $content_type);
+        $request = $this->getAccountAttachmentByIdRequest($xero_tenant_id$account_id$attachment_id$content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -18475,7 +18475,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getAccountAttachmentByIdRequest($xero_tenant_id, $account_id, $attachment_id, $content_type)
+    protected function getAccountAttachmentByIdRequest($xero_tenant_id$account_id$attachment_id$content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -18600,9 +18600,9 @@ protected function getAccountAttachmentByIdRequest($xero_tenant_id, $account_id,
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments
      */
-    public function getAccountAttachments($xero_tenant_id, $account_id)
+    public function getAccountAttachments($xero_tenant_id$account_id)
     {
-        list($response) = $this->getAccountAttachmentsWithHttpInfo($xero_tenant_id, $account_id);
+        list($response) = $this->getAccountAttachmentsWithHttpInfo($xero_tenant_id$account_id);
         return $response;
     }
     /**
@@ -18614,9 +18614,9 @@ public function getAccountAttachments($xero_tenant_id, $account_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getAccountAttachmentsWithHttpInfo($xero_tenant_id, $account_id)
+    public function getAccountAttachmentsWithHttpInfo($xero_tenant_id$account_id)
     {
-        $request = $this->getAccountAttachmentsRequest($xero_tenant_id, $account_id);
+        $request = $this->getAccountAttachmentsRequest($xero_tenant_id$account_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -18690,9 +18690,9 @@ public function getAccountAttachmentsWithHttpInfo($xero_tenant_id, $account_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getAccountAttachmentsAsync($xero_tenant_id, $account_id)
+    public function getAccountAttachmentsAsync($xero_tenant_id$account_id)
     {
-        return $this->getAccountAttachmentsAsyncWithHttpInfo($xero_tenant_id, $account_id)
+        return $this->getAccountAttachmentsAsyncWithHttpInfo($xero_tenant_id$account_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -18706,10 +18706,10 @@ function ($response) {
      * @param  string $account_id Unique identifier for Account object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getAccountAttachmentsAsyncWithHttpInfo($xero_tenant_id, $account_id)
+    public function getAccountAttachmentsAsyncWithHttpInfo($xero_tenant_id$account_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->getAccountAttachmentsRequest($xero_tenant_id, $account_id);
+        $request = $this->getAccountAttachmentsRequest($xero_tenant_id$account_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -18749,7 +18749,7 @@ function ($exception) {
      * @param  string $account_id Unique identifier for Account object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getAccountAttachmentsRequest($xero_tenant_id, $account_id)
+    protected function getAccountAttachmentsRequest($xero_tenant_id$account_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -18852,9 +18852,9 @@ protected function getAccountAttachmentsRequest($xero_tenant_id, $account_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Accounts
      */
-    public function getAccounts($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    public function getAccounts($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
-        list($response) = $this->getAccountsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order);
+        list($response) = $this->getAccountsWithHttpInfo($xero_tenant_id$if_modified_since$where$order);
         return $response;
     }
     /**
@@ -18868,9 +18868,9 @@ public function getAccounts($xero_tenant_id, $if_modified_since = null, $where =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Accounts, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getAccountsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    public function getAccountsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
-        $request = $this->getAccountsRequest($xero_tenant_id, $if_modified_since, $where, $order);
+        $request = $this->getAccountsRequest($xero_tenant_id$if_modified_since$where$order);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -18946,9 +18946,9 @@ public function getAccountsWithHttpInfo($xero_tenant_id, $if_modified_since = nu
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getAccountsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    public function getAccountsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
-        return $this->getAccountsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order)
+        return $this->getAccountsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -18964,10 +18964,10 @@ function ($response) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getAccountsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    public function getAccountsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Accounts';
-        $request = $this->getAccountsRequest($xero_tenant_id, $if_modified_since, $where, $order);
+        $request = $this->getAccountsRequest($xero_tenant_id$if_modified_since$where$order);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -19009,7 +19009,7 @@ function ($exception) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getAccountsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    protected function getAccountsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -19109,9 +19109,9 @@ protected function getAccountsRequest($xero_tenant_id, $if_modified_since = null
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\BankTransactions
      */
-    public function getBankTransaction($xero_tenant_id, $bank_transaction_id, $unitdp = null)
+    public function getBankTransaction($xero_tenant_id$bank_transaction_id$unitdp = null)
     {
-        list($response) = $this->getBankTransactionWithHttpInfo($xero_tenant_id, $bank_transaction_id, $unitdp);
+        list($response) = $this->getBankTransactionWithHttpInfo($xero_tenant_id$bank_transaction_id$unitdp);
         return $response;
     }
     /**
@@ -19124,9 +19124,9 @@ public function getBankTransaction($xero_tenant_id, $bank_transaction_id, $unitd
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\BankTransactions, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBankTransactionWithHttpInfo($xero_tenant_id, $bank_transaction_id, $unitdp = null)
+    public function getBankTransactionWithHttpInfo($xero_tenant_id$bank_transaction_id$unitdp = null)
     {
-        $request = $this->getBankTransactionRequest($xero_tenant_id, $bank_transaction_id, $unitdp);
+        $request = $this->getBankTransactionRequest($xero_tenant_id$bank_transaction_id$unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -19201,9 +19201,9 @@ public function getBankTransactionWithHttpInfo($xero_tenant_id, $bank_transactio
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBankTransactionAsync($xero_tenant_id, $bank_transaction_id, $unitdp = null)
+    public function getBankTransactionAsync($xero_tenant_id$bank_transaction_id$unitdp = null)
     {
-        return $this->getBankTransactionAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $unitdp)
+        return $this->getBankTransactionAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -19218,10 +19218,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBankTransactionAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $unitdp = null)
+    public function getBankTransactionAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\BankTransactions';
-        $request = $this->getBankTransactionRequest($xero_tenant_id, $bank_transaction_id, $unitdp);
+        $request = $this->getBankTransactionRequest($xero_tenant_id$bank_transaction_id$unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -19262,7 +19262,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBankTransactionRequest($xero_tenant_id, $bank_transaction_id, $unitdp = null)
+    protected function getBankTransactionRequest($xero_tenant_id$bank_transaction_id$unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -19369,9 +19369,9 @@ protected function getBankTransactionRequest($xero_tenant_id, $bank_transaction_
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getBankTransactionAttachmentByFileName($xero_tenant_id, $bank_transaction_id, $file_name, $content_type)
+    public function getBankTransactionAttachmentByFileName($xero_tenant_id$bank_transaction_id$file_name$content_type)
     {
-        list($response) = $this->getBankTransactionAttachmentByFileNameWithHttpInfo($xero_tenant_id, $bank_transaction_id, $file_name, $content_type);
+        list($response) = $this->getBankTransactionAttachmentByFileNameWithHttpInfo($xero_tenant_id$bank_transaction_id$file_name$content_type);
         return $response;
     }
     /**
@@ -19385,9 +19385,9 @@ public function getBankTransactionAttachmentByFileName($xero_tenant_id, $bank_tr
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBankTransactionAttachmentByFileNameWithHttpInfo($xero_tenant_id, $bank_transaction_id, $file_name, $content_type)
+    public function getBankTransactionAttachmentByFileNameWithHttpInfo($xero_tenant_id$bank_transaction_id$file_name$content_type)
     {
-        $request = $this->getBankTransactionAttachmentByFileNameRequest($xero_tenant_id, $bank_transaction_id, $file_name, $content_type);
+        $request = $this->getBankTransactionAttachmentByFileNameRequest($xero_tenant_id$bank_transaction_id$file_name$content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -19463,9 +19463,9 @@ public function getBankTransactionAttachmentByFileNameWithHttpInfo($xero_tenant_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBankTransactionAttachmentByFileNameAsync($xero_tenant_id, $bank_transaction_id, $file_name, $content_type)
+    public function getBankTransactionAttachmentByFileNameAsync($xero_tenant_id$bank_transaction_id$file_name$content_type)
     {
-        return $this->getBankTransactionAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $file_name, $content_type)
+        return $this->getBankTransactionAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$file_name$content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -19481,10 +19481,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBankTransactionAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $file_name, $content_type)
+    public function getBankTransactionAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$file_name$content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getBankTransactionAttachmentByFileNameRequest($xero_tenant_id, $bank_transaction_id, $file_name, $content_type);
+        $request = $this->getBankTransactionAttachmentByFileNameRequest($xero_tenant_id$bank_transaction_id$file_name$content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -19526,7 +19526,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBankTransactionAttachmentByFileNameRequest($xero_tenant_id, $bank_transaction_id, $file_name, $content_type)
+    protected function getBankTransactionAttachmentByFileNameRequest($xero_tenant_id$bank_transaction_id$file_name$content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -19653,9 +19653,9 @@ protected function getBankTransactionAttachmentByFileNameRequest($xero_tenant_id
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getBankTransactionAttachmentById($xero_tenant_id, $bank_transaction_id, $attachment_id, $content_type)
+    public function getBankTransactionAttachmentById($xero_tenant_id$bank_transaction_id$attachment_id$content_type)
     {
-        list($response) = $this->getBankTransactionAttachmentByIdWithHttpInfo($xero_tenant_id, $bank_transaction_id, $attachment_id, $content_type);
+        list($response) = $this->getBankTransactionAttachmentByIdWithHttpInfo($xero_tenant_id$bank_transaction_id$attachment_id$content_type);
         return $response;
     }
     /**
@@ -19669,9 +19669,9 @@ public function getBankTransactionAttachmentById($xero_tenant_id, $bank_transact
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBankTransactionAttachmentByIdWithHttpInfo($xero_tenant_id, $bank_transaction_id, $attachment_id, $content_type)
+    public function getBankTransactionAttachmentByIdWithHttpInfo($xero_tenant_id$bank_transaction_id$attachment_id$content_type)
     {
-        $request = $this->getBankTransactionAttachmentByIdRequest($xero_tenant_id, $bank_transaction_id, $attachment_id, $content_type);
+        $request = $this->getBankTransactionAttachmentByIdRequest($xero_tenant_id$bank_transaction_id$attachment_id$content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -19747,9 +19747,9 @@ public function getBankTransactionAttachmentByIdWithHttpInfo($xero_tenant_id, $b
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBankTransactionAttachmentByIdAsync($xero_tenant_id, $bank_transaction_id, $attachment_id, $content_type)
+    public function getBankTransactionAttachmentByIdAsync($xero_tenant_id$bank_transaction_id$attachment_id$content_type)
     {
-        return $this->getBankTransactionAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $attachment_id, $content_type)
+        return $this->getBankTransactionAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$attachment_id$content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -19765,10 +19765,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBankTransactionAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $attachment_id, $content_type)
+    public function getBankTransactionAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$attachment_id$content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getBankTransactionAttachmentByIdRequest($xero_tenant_id, $bank_transaction_id, $attachment_id, $content_type);
+        $request = $this->getBankTransactionAttachmentByIdRequest($xero_tenant_id$bank_transaction_id$attachment_id$content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -19810,7 +19810,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBankTransactionAttachmentByIdRequest($xero_tenant_id, $bank_transaction_id, $attachment_id, $content_type)
+    protected function getBankTransactionAttachmentByIdRequest($xero_tenant_id$bank_transaction_id$attachment_id$content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -19935,9 +19935,9 @@ protected function getBankTransactionAttachmentByIdRequest($xero_tenant_id, $ban
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments
      */
-    public function getBankTransactionAttachments($xero_tenant_id, $bank_transaction_id)
+    public function getBankTransactionAttachments($xero_tenant_id$bank_transaction_id)
     {
-        list($response) = $this->getBankTransactionAttachmentsWithHttpInfo($xero_tenant_id, $bank_transaction_id);
+        list($response) = $this->getBankTransactionAttachmentsWithHttpInfo($xero_tenant_id$bank_transaction_id);
         return $response;
     }
     /**
@@ -19949,9 +19949,9 @@ public function getBankTransactionAttachments($xero_tenant_id, $bank_transaction
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBankTransactionAttachmentsWithHttpInfo($xero_tenant_id, $bank_transaction_id)
+    public function getBankTransactionAttachmentsWithHttpInfo($xero_tenant_id$bank_transaction_id)
     {
-        $request = $this->getBankTransactionAttachmentsRequest($xero_tenant_id, $bank_transaction_id);
+        $request = $this->getBankTransactionAttachmentsRequest($xero_tenant_id$bank_transaction_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -20025,9 +20025,9 @@ public function getBankTransactionAttachmentsWithHttpInfo($xero_tenant_id, $bank
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBankTransactionAttachmentsAsync($xero_tenant_id, $bank_transaction_id)
+    public function getBankTransactionAttachmentsAsync($xero_tenant_id$bank_transaction_id)
     {
-        return $this->getBankTransactionAttachmentsAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id)
+        return $this->getBankTransactionAttachmentsAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -20041,10 +20041,10 @@ function ($response) {
      * @param  string $bank_transaction_id Xero generated unique identifier for a bank transaction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBankTransactionAttachmentsAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id)
+    public function getBankTransactionAttachmentsAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->getBankTransactionAttachmentsRequest($xero_tenant_id, $bank_transaction_id);
+        $request = $this->getBankTransactionAttachmentsRequest($xero_tenant_id$bank_transaction_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -20084,7 +20084,7 @@ function ($exception) {
      * @param  string $bank_transaction_id Xero generated unique identifier for a bank transaction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBankTransactionAttachmentsRequest($xero_tenant_id, $bank_transaction_id)
+    protected function getBankTransactionAttachmentsRequest($xero_tenant_id$bank_transaction_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -20189,9 +20189,9 @@ protected function getBankTransactionAttachmentsRequest($xero_tenant_id, $bank_t
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\BankTransactions
      */
-    public function getBankTransactions($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
+    public function getBankTransactions($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
     {
-        list($response) = $this->getBankTransactionsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp);
+        list($response) = $this->getBankTransactionsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page$unitdp);
         return $response;
     }
     /**
@@ -20207,9 +20207,9 @@ public function getBankTransactions($xero_tenant_id, $if_modified_since = null,
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\BankTransactions, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBankTransactionsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
+    public function getBankTransactionsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
     {
-        $request = $this->getBankTransactionsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp);
+        $request = $this->getBankTransactionsRequest($xero_tenant_id$if_modified_since$where$order$page$unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -20287,9 +20287,9 @@ public function getBankTransactionsWithHttpInfo($xero_tenant_id, $if_modified_si
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBankTransactionsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
+    public function getBankTransactionsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
     {
-        return $this->getBankTransactionsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp)
+        return $this->getBankTransactionsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page$unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -20307,10 +20307,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBankTransactionsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
+    public function getBankTransactionsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\BankTransactions';
-        $request = $this->getBankTransactionsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp);
+        $request = $this->getBankTransactionsRequest($xero_tenant_id$if_modified_since$where$order$page$unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -20354,7 +20354,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBankTransactionsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
+    protected function getBankTransactionsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -20461,9 +20461,9 @@ protected function getBankTransactionsRequest($xero_tenant_id, $if_modified_sinc
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getBankTransactionsHistory($xero_tenant_id, $bank_transaction_id)
+    public function getBankTransactionsHistory($xero_tenant_id$bank_transaction_id)
     {
-        list($response) = $this->getBankTransactionsHistoryWithHttpInfo($xero_tenant_id, $bank_transaction_id);
+        list($response) = $this->getBankTransactionsHistoryWithHttpInfo($xero_tenant_id$bank_transaction_id);
         return $response;
     }
     /**
@@ -20475,9 +20475,9 @@ public function getBankTransactionsHistory($xero_tenant_id, $bank_transaction_id
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBankTransactionsHistoryWithHttpInfo($xero_tenant_id, $bank_transaction_id)
+    public function getBankTransactionsHistoryWithHttpInfo($xero_tenant_id$bank_transaction_id)
     {
-        $request = $this->getBankTransactionsHistoryRequest($xero_tenant_id, $bank_transaction_id);
+        $request = $this->getBankTransactionsHistoryRequest($xero_tenant_id$bank_transaction_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -20551,9 +20551,9 @@ public function getBankTransactionsHistoryWithHttpInfo($xero_tenant_id, $bank_tr
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBankTransactionsHistoryAsync($xero_tenant_id, $bank_transaction_id)
+    public function getBankTransactionsHistoryAsync($xero_tenant_id$bank_transaction_id)
     {
-        return $this->getBankTransactionsHistoryAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id)
+        return $this->getBankTransactionsHistoryAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -20567,10 +20567,10 @@ function ($response) {
      * @param  string $bank_transaction_id Xero generated unique identifier for a bank transaction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBankTransactionsHistoryAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id)
+    public function getBankTransactionsHistoryAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getBankTransactionsHistoryRequest($xero_tenant_id, $bank_transaction_id);
+        $request = $this->getBankTransactionsHistoryRequest($xero_tenant_id$bank_transaction_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -20610,7 +20610,7 @@ function ($exception) {
      * @param  string $bank_transaction_id Xero generated unique identifier for a bank transaction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBankTransactionsHistoryRequest($xero_tenant_id, $bank_transaction_id)
+    protected function getBankTransactionsHistoryRequest($xero_tenant_id$bank_transaction_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -20711,9 +20711,9 @@ protected function getBankTransactionsHistoryRequest($xero_tenant_id, $bank_tran
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\BankTransfers
      */
-    public function getBankTransfer($xero_tenant_id, $bank_transfer_id)
+    public function getBankTransfer($xero_tenant_id$bank_transfer_id)
     {
-        list($response) = $this->getBankTransferWithHttpInfo($xero_tenant_id, $bank_transfer_id);
+        list($response) = $this->getBankTransferWithHttpInfo($xero_tenant_id$bank_transfer_id);
         return $response;
     }
     /**
@@ -20725,9 +20725,9 @@ public function getBankTransfer($xero_tenant_id, $bank_transfer_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\BankTransfers, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBankTransferWithHttpInfo($xero_tenant_id, $bank_transfer_id)
+    public function getBankTransferWithHttpInfo($xero_tenant_id$bank_transfer_id)
     {
-        $request = $this->getBankTransferRequest($xero_tenant_id, $bank_transfer_id);
+        $request = $this->getBankTransferRequest($xero_tenant_id$bank_transfer_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -20801,9 +20801,9 @@ public function getBankTransferWithHttpInfo($xero_tenant_id, $bank_transfer_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBankTransferAsync($xero_tenant_id, $bank_transfer_id)
+    public function getBankTransferAsync($xero_tenant_id$bank_transfer_id)
     {
-        return $this->getBankTransferAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id)
+        return $this->getBankTransferAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -20817,10 +20817,10 @@ function ($response) {
      * @param  string $bank_transfer_id Xero generated unique identifier for a bank transfer (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBankTransferAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id)
+    public function getBankTransferAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\BankTransfers';
-        $request = $this->getBankTransferRequest($xero_tenant_id, $bank_transfer_id);
+        $request = $this->getBankTransferRequest($xero_tenant_id$bank_transfer_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -20860,7 +20860,7 @@ function ($exception) {
      * @param  string $bank_transfer_id Xero generated unique identifier for a bank transfer (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBankTransferRequest($xero_tenant_id, $bank_transfer_id)
+    protected function getBankTransferRequest($xero_tenant_id$bank_transfer_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -20963,9 +20963,9 @@ protected function getBankTransferRequest($xero_tenant_id, $bank_transfer_id)
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getBankTransferAttachmentByFileName($xero_tenant_id, $bank_transfer_id, $file_name, $content_type)
+    public function getBankTransferAttachmentByFileName($xero_tenant_id$bank_transfer_id$file_name$content_type)
     {
-        list($response) = $this->getBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_id, $bank_transfer_id, $file_name, $content_type);
+        list($response) = $this->getBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_id$bank_transfer_id$file_name$content_type);
         return $response;
     }
     /**
@@ -20979,9 +20979,9 @@ public function getBankTransferAttachmentByFileName($xero_tenant_id, $bank_trans
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_id, $bank_transfer_id, $file_name, $content_type)
+    public function getBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_id$bank_transfer_id$file_name$content_type)
     {
-        $request = $this->getBankTransferAttachmentByFileNameRequest($xero_tenant_id, $bank_transfer_id, $file_name, $content_type);
+        $request = $this->getBankTransferAttachmentByFileNameRequest($xero_tenant_id$bank_transfer_id$file_name$content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -21057,9 +21057,9 @@ public function getBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_id,
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBankTransferAttachmentByFileNameAsync($xero_tenant_id, $bank_transfer_id, $file_name, $content_type)
+    public function getBankTransferAttachmentByFileNameAsync($xero_tenant_id$bank_transfer_id$file_name$content_type)
     {
-        return $this->getBankTransferAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id, $file_name, $content_type)
+        return $this->getBankTransferAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id$file_name$content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -21075,10 +21075,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBankTransferAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id, $file_name, $content_type)
+    public function getBankTransferAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id$file_name$content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getBankTransferAttachmentByFileNameRequest($xero_tenant_id, $bank_transfer_id, $file_name, $content_type);
+        $request = $this->getBankTransferAttachmentByFileNameRequest($xero_tenant_id$bank_transfer_id$file_name$content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -21120,7 +21120,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBankTransferAttachmentByFileNameRequest($xero_tenant_id, $bank_transfer_id, $file_name, $content_type)
+    protected function getBankTransferAttachmentByFileNameRequest($xero_tenant_id$bank_transfer_id$file_name$content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -21247,9 +21247,9 @@ protected function getBankTransferAttachmentByFileNameRequest($xero_tenant_id, $
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getBankTransferAttachmentById($xero_tenant_id, $bank_transfer_id, $attachment_id, $content_type)
+    public function getBankTransferAttachmentById($xero_tenant_id$bank_transfer_id$attachment_id$content_type)
     {
-        list($response) = $this->getBankTransferAttachmentByIdWithHttpInfo($xero_tenant_id, $bank_transfer_id, $attachment_id, $content_type);
+        list($response) = $this->getBankTransferAttachmentByIdWithHttpInfo($xero_tenant_id$bank_transfer_id$attachment_id$content_type);
         return $response;
     }
     /**
@@ -21263,9 +21263,9 @@ public function getBankTransferAttachmentById($xero_tenant_id, $bank_transfer_id
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBankTransferAttachmentByIdWithHttpInfo($xero_tenant_id, $bank_transfer_id, $attachment_id, $content_type)
+    public function getBankTransferAttachmentByIdWithHttpInfo($xero_tenant_id$bank_transfer_id$attachment_id$content_type)
     {
-        $request = $this->getBankTransferAttachmentByIdRequest($xero_tenant_id, $bank_transfer_id, $attachment_id, $content_type);
+        $request = $this->getBankTransferAttachmentByIdRequest($xero_tenant_id$bank_transfer_id$attachment_id$content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -21341,9 +21341,9 @@ public function getBankTransferAttachmentByIdWithHttpInfo($xero_tenant_id, $bank
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBankTransferAttachmentByIdAsync($xero_tenant_id, $bank_transfer_id, $attachment_id, $content_type)
+    public function getBankTransferAttachmentByIdAsync($xero_tenant_id$bank_transfer_id$attachment_id$content_type)
     {
-        return $this->getBankTransferAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id, $attachment_id, $content_type)
+        return $this->getBankTransferAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id$attachment_id$content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -21359,10 +21359,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBankTransferAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id, $attachment_id, $content_type)
+    public function getBankTransferAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id$attachment_id$content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getBankTransferAttachmentByIdRequest($xero_tenant_id, $bank_transfer_id, $attachment_id, $content_type);
+        $request = $this->getBankTransferAttachmentByIdRequest($xero_tenant_id$bank_transfer_id$attachment_id$content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -21404,7 +21404,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBankTransferAttachmentByIdRequest($xero_tenant_id, $bank_transfer_id, $attachment_id, $content_type)
+    protected function getBankTransferAttachmentByIdRequest($xero_tenant_id$bank_transfer_id$attachment_id$content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -21529,9 +21529,9 @@ protected function getBankTransferAttachmentByIdRequest($xero_tenant_id, $bank_t
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments
      */
-    public function getBankTransferAttachments($xero_tenant_id, $bank_transfer_id)
+    public function getBankTransferAttachments($xero_tenant_id$bank_transfer_id)
     {
-        list($response) = $this->getBankTransferAttachmentsWithHttpInfo($xero_tenant_id, $bank_transfer_id);
+        list($response) = $this->getBankTransferAttachmentsWithHttpInfo($xero_tenant_id$bank_transfer_id);
         return $response;
     }
     /**
@@ -21543,9 +21543,9 @@ public function getBankTransferAttachments($xero_tenant_id, $bank_transfer_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBankTransferAttachmentsWithHttpInfo($xero_tenant_id, $bank_transfer_id)
+    public function getBankTransferAttachmentsWithHttpInfo($xero_tenant_id$bank_transfer_id)
     {
-        $request = $this->getBankTransferAttachmentsRequest($xero_tenant_id, $bank_transfer_id);
+        $request = $this->getBankTransferAttachmentsRequest($xero_tenant_id$bank_transfer_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -21619,9 +21619,9 @@ public function getBankTransferAttachmentsWithHttpInfo($xero_tenant_id, $bank_tr
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBankTransferAttachmentsAsync($xero_tenant_id, $bank_transfer_id)
+    public function getBankTransferAttachmentsAsync($xero_tenant_id$bank_transfer_id)
     {
-        return $this->getBankTransferAttachmentsAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id)
+        return $this->getBankTransferAttachmentsAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -21635,10 +21635,10 @@ function ($response) {
      * @param  string $bank_transfer_id Xero generated unique identifier for a bank transfer (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBankTransferAttachmentsAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id)
+    public function getBankTransferAttachmentsAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->getBankTransferAttachmentsRequest($xero_tenant_id, $bank_transfer_id);
+        $request = $this->getBankTransferAttachmentsRequest($xero_tenant_id$bank_transfer_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -21678,7 +21678,7 @@ function ($exception) {
      * @param  string $bank_transfer_id Xero generated unique identifier for a bank transfer (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBankTransferAttachmentsRequest($xero_tenant_id, $bank_transfer_id)
+    protected function getBankTransferAttachmentsRequest($xero_tenant_id$bank_transfer_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -21779,9 +21779,9 @@ protected function getBankTransferAttachmentsRequest($xero_tenant_id, $bank_tran
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getBankTransferHistory($xero_tenant_id, $bank_transfer_id)
+    public function getBankTransferHistory($xero_tenant_id$bank_transfer_id)
     {
-        list($response) = $this->getBankTransferHistoryWithHttpInfo($xero_tenant_id, $bank_transfer_id);
+        list($response) = $this->getBankTransferHistoryWithHttpInfo($xero_tenant_id$bank_transfer_id);
         return $response;
     }
     /**
@@ -21793,9 +21793,9 @@ public function getBankTransferHistory($xero_tenant_id, $bank_transfer_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBankTransferHistoryWithHttpInfo($xero_tenant_id, $bank_transfer_id)
+    public function getBankTransferHistoryWithHttpInfo($xero_tenant_id$bank_transfer_id)
     {
-        $request = $this->getBankTransferHistoryRequest($xero_tenant_id, $bank_transfer_id);
+        $request = $this->getBankTransferHistoryRequest($xero_tenant_id$bank_transfer_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -21869,9 +21869,9 @@ public function getBankTransferHistoryWithHttpInfo($xero_tenant_id, $bank_transf
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBankTransferHistoryAsync($xero_tenant_id, $bank_transfer_id)
+    public function getBankTransferHistoryAsync($xero_tenant_id$bank_transfer_id)
     {
-        return $this->getBankTransferHistoryAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id)
+        return $this->getBankTransferHistoryAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -21885,10 +21885,10 @@ function ($response) {
      * @param  string $bank_transfer_id Xero generated unique identifier for a bank transfer (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBankTransferHistoryAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id)
+    public function getBankTransferHistoryAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getBankTransferHistoryRequest($xero_tenant_id, $bank_transfer_id);
+        $request = $this->getBankTransferHistoryRequest($xero_tenant_id$bank_transfer_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -21928,7 +21928,7 @@ function ($exception) {
      * @param  string $bank_transfer_id Xero generated unique identifier for a bank transfer (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBankTransferHistoryRequest($xero_tenant_id, $bank_transfer_id)
+    protected function getBankTransferHistoryRequest($xero_tenant_id$bank_transfer_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -22031,9 +22031,9 @@ protected function getBankTransferHistoryRequest($xero_tenant_id, $bank_transfer
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\BankTransfers
      */
-    public function getBankTransfers($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    public function getBankTransfers($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
-        list($response) = $this->getBankTransfersWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order);
+        list($response) = $this->getBankTransfersWithHttpInfo($xero_tenant_id$if_modified_since$where$order);
         return $response;
     }
     /**
@@ -22047,9 +22047,9 @@ public function getBankTransfers($xero_tenant_id, $if_modified_since = null, $wh
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\BankTransfers, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBankTransfersWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    public function getBankTransfersWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
-        $request = $this->getBankTransfersRequest($xero_tenant_id, $if_modified_since, $where, $order);
+        $request = $this->getBankTransfersRequest($xero_tenant_id$if_modified_since$where$order);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -22125,9 +22125,9 @@ public function getBankTransfersWithHttpInfo($xero_tenant_id, $if_modified_since
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBankTransfersAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    public function getBankTransfersAsync($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
-        return $this->getBankTransfersAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order)
+        return $this->getBankTransfersAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -22143,10 +22143,10 @@ function ($response) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBankTransfersAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    public function getBankTransfersAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\BankTransfers';
-        $request = $this->getBankTransfersRequest($xero_tenant_id, $if_modified_since, $where, $order);
+        $request = $this->getBankTransfersRequest($xero_tenant_id$if_modified_since$where$order);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -22188,7 +22188,7 @@ function ($exception) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBankTransfersRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    protected function getBankTransfersRequest($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -22287,9 +22287,9 @@ protected function getBankTransfersRequest($xero_tenant_id, $if_modified_since =
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getBatchPaymentHistory($xero_tenant_id, $batch_payment_id)
+    public function getBatchPaymentHistory($xero_tenant_id$batch_payment_id)
     {
-        list($response) = $this->getBatchPaymentHistoryWithHttpInfo($xero_tenant_id, $batch_payment_id);
+        list($response) = $this->getBatchPaymentHistoryWithHttpInfo($xero_tenant_id$batch_payment_id);
         return $response;
     }
     /**
@@ -22301,9 +22301,9 @@ public function getBatchPaymentHistory($xero_tenant_id, $batch_payment_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBatchPaymentHistoryWithHttpInfo($xero_tenant_id, $batch_payment_id)
+    public function getBatchPaymentHistoryWithHttpInfo($xero_tenant_id$batch_payment_id)
     {
-        $request = $this->getBatchPaymentHistoryRequest($xero_tenant_id, $batch_payment_id);
+        $request = $this->getBatchPaymentHistoryRequest($xero_tenant_id$batch_payment_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -22377,9 +22377,9 @@ public function getBatchPaymentHistoryWithHttpInfo($xero_tenant_id, $batch_payme
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBatchPaymentHistoryAsync($xero_tenant_id, $batch_payment_id)
+    public function getBatchPaymentHistoryAsync($xero_tenant_id$batch_payment_id)
     {
-        return $this->getBatchPaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $batch_payment_id)
+        return $this->getBatchPaymentHistoryAsyncWithHttpInfo($xero_tenant_id$batch_payment_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -22393,10 +22393,10 @@ function ($response) {
      * @param  string $batch_payment_id Unique identifier for BatchPayment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBatchPaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $batch_payment_id)
+    public function getBatchPaymentHistoryAsyncWithHttpInfo($xero_tenant_id$batch_payment_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getBatchPaymentHistoryRequest($xero_tenant_id, $batch_payment_id);
+        $request = $this->getBatchPaymentHistoryRequest($xero_tenant_id$batch_payment_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -22436,7 +22436,7 @@ function ($exception) {
      * @param  string $batch_payment_id Unique identifier for BatchPayment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBatchPaymentHistoryRequest($xero_tenant_id, $batch_payment_id)
+    protected function getBatchPaymentHistoryRequest($xero_tenant_id$batch_payment_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -22539,9 +22539,9 @@ protected function getBatchPaymentHistoryRequest($xero_tenant_id, $batch_payment
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\BatchPayments
      */
-    public function getBatchPayments($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    public function getBatchPayments($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
-        list($response) = $this->getBatchPaymentsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order);
+        list($response) = $this->getBatchPaymentsWithHttpInfo($xero_tenant_id$if_modified_since$where$order);
         return $response;
     }
     /**
@@ -22555,9 +22555,9 @@ public function getBatchPayments($xero_tenant_id, $if_modified_since = null, $wh
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\BatchPayments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBatchPaymentsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    public function getBatchPaymentsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
-        $request = $this->getBatchPaymentsRequest($xero_tenant_id, $if_modified_since, $where, $order);
+        $request = $this->getBatchPaymentsRequest($xero_tenant_id$if_modified_since$where$order);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -22633,9 +22633,9 @@ public function getBatchPaymentsWithHttpInfo($xero_tenant_id, $if_modified_since
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBatchPaymentsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    public function getBatchPaymentsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
-        return $this->getBatchPaymentsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order)
+        return $this->getBatchPaymentsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -22651,10 +22651,10 @@ function ($response) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBatchPaymentsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    public function getBatchPaymentsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\BatchPayments';
-        $request = $this->getBatchPaymentsRequest($xero_tenant_id, $if_modified_since, $where, $order);
+        $request = $this->getBatchPaymentsRequest($xero_tenant_id$if_modified_since$where$order);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -22696,7 +22696,7 @@ function ($exception) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBatchPaymentsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    protected function getBatchPaymentsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -22795,9 +22795,9 @@ protected function getBatchPaymentsRequest($xero_tenant_id, $if_modified_since =
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\BrandingThemes
      */
-    public function getBrandingTheme($xero_tenant_id, $branding_theme_id)
+    public function getBrandingTheme($xero_tenant_id$branding_theme_id)
     {
-        list($response) = $this->getBrandingThemeWithHttpInfo($xero_tenant_id, $branding_theme_id);
+        list($response) = $this->getBrandingThemeWithHttpInfo($xero_tenant_id$branding_theme_id);
         return $response;
     }
     /**
@@ -22809,9 +22809,9 @@ public function getBrandingTheme($xero_tenant_id, $branding_theme_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\BrandingThemes, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBrandingThemeWithHttpInfo($xero_tenant_id, $branding_theme_id)
+    public function getBrandingThemeWithHttpInfo($xero_tenant_id$branding_theme_id)
     {
-        $request = $this->getBrandingThemeRequest($xero_tenant_id, $branding_theme_id);
+        $request = $this->getBrandingThemeRequest($xero_tenant_id$branding_theme_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -22885,9 +22885,9 @@ public function getBrandingThemeWithHttpInfo($xero_tenant_id, $branding_theme_id
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBrandingThemeAsync($xero_tenant_id, $branding_theme_id)
+    public function getBrandingThemeAsync($xero_tenant_id$branding_theme_id)
     {
-        return $this->getBrandingThemeAsyncWithHttpInfo($xero_tenant_id, $branding_theme_id)
+        return $this->getBrandingThemeAsyncWithHttpInfo($xero_tenant_id$branding_theme_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -22901,10 +22901,10 @@ function ($response) {
      * @param  string $branding_theme_id Unique identifier for a Branding Theme (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBrandingThemeAsyncWithHttpInfo($xero_tenant_id, $branding_theme_id)
+    public function getBrandingThemeAsyncWithHttpInfo($xero_tenant_id$branding_theme_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\BrandingThemes';
-        $request = $this->getBrandingThemeRequest($xero_tenant_id, $branding_theme_id);
+        $request = $this->getBrandingThemeRequest($xero_tenant_id$branding_theme_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -22944,7 +22944,7 @@ function ($exception) {
      * @param  string $branding_theme_id Unique identifier for a Branding Theme (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBrandingThemeRequest($xero_tenant_id, $branding_theme_id)
+    protected function getBrandingThemeRequest($xero_tenant_id$branding_theme_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -23045,9 +23045,9 @@ protected function getBrandingThemeRequest($xero_tenant_id, $branding_theme_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\PaymentServices
      */
-    public function getBrandingThemePaymentServices($xero_tenant_id, $branding_theme_id)
+    public function getBrandingThemePaymentServices($xero_tenant_id$branding_theme_id)
     {
-        list($response) = $this->getBrandingThemePaymentServicesWithHttpInfo($xero_tenant_id, $branding_theme_id);
+        list($response) = $this->getBrandingThemePaymentServicesWithHttpInfo($xero_tenant_id$branding_theme_id);
         return $response;
     }
     /**
@@ -23059,9 +23059,9 @@ public function getBrandingThemePaymentServices($xero_tenant_id, $branding_theme
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\PaymentServices, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBrandingThemePaymentServicesWithHttpInfo($xero_tenant_id, $branding_theme_id)
+    public function getBrandingThemePaymentServicesWithHttpInfo($xero_tenant_id$branding_theme_id)
     {
-        $request = $this->getBrandingThemePaymentServicesRequest($xero_tenant_id, $branding_theme_id);
+        $request = $this->getBrandingThemePaymentServicesRequest($xero_tenant_id$branding_theme_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -23135,9 +23135,9 @@ public function getBrandingThemePaymentServicesWithHttpInfo($xero_tenant_id, $br
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBrandingThemePaymentServicesAsync($xero_tenant_id, $branding_theme_id)
+    public function getBrandingThemePaymentServicesAsync($xero_tenant_id$branding_theme_id)
     {
-        return $this->getBrandingThemePaymentServicesAsyncWithHttpInfo($xero_tenant_id, $branding_theme_id)
+        return $this->getBrandingThemePaymentServicesAsyncWithHttpInfo($xero_tenant_id$branding_theme_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -23151,10 +23151,10 @@ function ($response) {
      * @param  string $branding_theme_id Unique identifier for a Branding Theme (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBrandingThemePaymentServicesAsyncWithHttpInfo($xero_tenant_id, $branding_theme_id)
+    public function getBrandingThemePaymentServicesAsyncWithHttpInfo($xero_tenant_id$branding_theme_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\PaymentServices';
-        $request = $this->getBrandingThemePaymentServicesRequest($xero_tenant_id, $branding_theme_id);
+        $request = $this->getBrandingThemePaymentServicesRequest($xero_tenant_id$branding_theme_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -23194,7 +23194,7 @@ function ($exception) {
      * @param  string $branding_theme_id Unique identifier for a Branding Theme (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBrandingThemePaymentServicesRequest($xero_tenant_id, $branding_theme_id)
+    protected function getBrandingThemePaymentServicesRequest($xero_tenant_id$branding_theme_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -23528,9 +23528,9 @@ protected function getBrandingThemesRequest($xero_tenant_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Budgets
      */
-    public function getBudget($xero_tenant_id, $budget_id, $date_to = null, $date_from = null)
+    public function getBudget($xero_tenant_id$budget_id$date_to = null$date_from = null)
     {
-        list($response) = $this->getBudgetWithHttpInfo($xero_tenant_id, $budget_id, $date_to, $date_from);
+        list($response) = $this->getBudgetWithHttpInfo($xero_tenant_id$budget_id$date_to$date_from);
         return $response;
     }
     /**
@@ -23544,9 +23544,9 @@ public function getBudget($xero_tenant_id, $budget_id, $date_to = null, $date_fr
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Budgets, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBudgetWithHttpInfo($xero_tenant_id, $budget_id, $date_to = null, $date_from = null)
+    public function getBudgetWithHttpInfo($xero_tenant_id$budget_id$date_to = null$date_from = null)
     {
-        $request = $this->getBudgetRequest($xero_tenant_id, $budget_id, $date_to, $date_from);
+        $request = $this->getBudgetRequest($xero_tenant_id$budget_id$date_to$date_from);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -23622,9 +23622,9 @@ public function getBudgetWithHttpInfo($xero_tenant_id, $budget_id, $date_to = nu
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBudgetAsync($xero_tenant_id, $budget_id, $date_to = null, $date_from = null)
+    public function getBudgetAsync($xero_tenant_id$budget_id$date_to = null$date_from = null)
     {
-        return $this->getBudgetAsyncWithHttpInfo($xero_tenant_id, $budget_id, $date_to, $date_from)
+        return $this->getBudgetAsyncWithHttpInfo($xero_tenant_id$budget_id$date_to$date_from)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -23640,10 +23640,10 @@ function ($response) {
      * @param  \DateTime $date_from Filter by end date (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBudgetAsyncWithHttpInfo($xero_tenant_id, $budget_id, $date_to = null, $date_from = null)
+    public function getBudgetAsyncWithHttpInfo($xero_tenant_id$budget_id$date_to = null$date_from = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Budgets';
-        $request = $this->getBudgetRequest($xero_tenant_id, $budget_id, $date_to, $date_from);
+        $request = $this->getBudgetRequest($xero_tenant_id$budget_id$date_to$date_from);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -23685,7 +23685,7 @@ function ($exception) {
      * @param  \DateTime $date_from Filter by end date (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBudgetRequest($xero_tenant_id, $budget_id, $date_to = null, $date_from = null)
+    protected function getBudgetRequest($xero_tenant_id$budget_id$date_to = null$date_from = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -23789,32 +23789,32 @@ protected function getBudgetRequest($xero_tenant_id, $budget_id, $date_to = null
      * Operation getBudgets
      * Retrieve a list of budgets
      * @param  string $xero_tenant_id Xero identifier for Tenant (required)
-     * @param  string[] $i_ds Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
+     * @param  string[] $ids Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
      * @param  \DateTime $date_to Filter by start date (optional)
      * @param  \DateTime $date_from Filter by end date (optional)
      * @throws \XeroAPI\XeroPHP\ApiException on non-2xx response
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Budgets
      */
-    public function getBudgets($xero_tenant_id, $i_ds = null, $date_to = null, $date_from = null)
+    public function getBudgets($xero_tenant_id$ids = null$date_to = null$date_from = null)
     {
-        list($response) = $this->getBudgetsWithHttpInfo($xero_tenant_id, $i_ds, $date_to, $date_from);
+        list($response) = $this->getBudgetsWithHttpInfo($xero_tenant_id$ids$date_to$date_from);
         return $response;
     }
     /**
      * Operation getBudgetsWithHttpInfo
      * Retrieve a list of budgets
      * @param  string $xero_tenant_id Xero identifier for Tenant (required)
-     * @param  string[] $i_ds Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
+     * @param  string[] $ids Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
      * @param  \DateTime $date_to Filter by start date (optional)
      * @param  \DateTime $date_from Filter by end date (optional)
      * @throws \XeroAPI\XeroPHP\ApiException on non-2xx response
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Budgets, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBudgetsWithHttpInfo($xero_tenant_id, $i_ds = null, $date_to = null, $date_from = null)
+    public function getBudgetsWithHttpInfo($xero_tenant_id$ids = null$date_to = null$date_from = null)
     {
-        $request = $this->getBudgetsRequest($xero_tenant_id, $i_ds, $date_to, $date_from);
+        $request = $this->getBudgetsRequest($xero_tenant_id$ids$date_to$date_from);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -23884,15 +23884,15 @@ public function getBudgetsWithHttpInfo($xero_tenant_id, $i_ds = null, $date_to =
      * Operation getBudgetsAsync
      * Retrieve a list of budgets
      * @param  string $xero_tenant_id Xero identifier for Tenant (required)
-     * @param  string[] $i_ds Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
+     * @param  string[] $ids Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
      * @param  \DateTime $date_to Filter by start date (optional)
      * @param  \DateTime $date_from Filter by end date (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBudgetsAsync($xero_tenant_id, $i_ds = null, $date_to = null, $date_from = null)
+    public function getBudgetsAsync($xero_tenant_id$ids = null$date_to = null$date_from = null)
     {
-        return $this->getBudgetsAsyncWithHttpInfo($xero_tenant_id, $i_ds, $date_to, $date_from)
+        return $this->getBudgetsAsyncWithHttpInfo($xero_tenant_id$ids$date_to$date_from)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -23903,15 +23903,15 @@ function ($response) {
      * Operation getBudgetsAsyncWithHttpInfo
      * Retrieve a list of budgets
      * @param  string $xero_tenant_id Xero identifier for Tenant (required)
-     * @param  string[] $i_ds Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
+     * @param  string[] $ids Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
      * @param  \DateTime $date_to Filter by start date (optional)
      * @param  \DateTime $date_from Filter by end date (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBudgetsAsyncWithHttpInfo($xero_tenant_id, $i_ds = null, $date_to = null, $date_from = null)
+    public function getBudgetsAsyncWithHttpInfo($xero_tenant_id$ids = null$date_to = null$date_from = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Budgets';
-        $request = $this->getBudgetsRequest($xero_tenant_id, $i_ds, $date_to, $date_from);
+        $request = $this->getBudgetsRequest($xero_tenant_id$ids$date_to$date_from);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -23948,12 +23948,12 @@ function ($exception) {
     /**
      * Create request for operation 'getBudgets'
      * @param  string $xero_tenant_id Xero identifier for Tenant (required)
-     * @param  string[] $i_ds Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
+     * @param  string[] $ids Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
      * @param  \DateTime $date_to Filter by start date (optional)
      * @param  \DateTime $date_from Filter by end date (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBudgetsRequest($xero_tenant_id, $i_ds = null, $date_to = null, $date_from = null)
+    protected function getBudgetsRequest($xero_tenant_id$ids = null$date_to = null$date_from = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -23968,11 +23968,11 @@ protected function getBudgetsRequest($xero_tenant_id, $i_ds = null, $date_to = n
         $httpBody = '';
         $multipart = false;
         // query params
-        if (is_array($i_ds)) {
-            $i_ds = AccountingObjectSerializer::serializeCollection($i_ds, 'csv', true);
+        if (is_array($ids)) {
+            $ids = AccountingObjectSerializer::serializeCollection($ids, 'csv', true);
         }
-        if ($i_ds !== null) {
-            $queryParams['IDs'] = AccountingObjectSerializer::toQueryValue($i_ds);
+        if ($ids !== null) {
+            $queryParams['IDs'] = AccountingObjectSerializer::toQueryValue($ids);
         }
         // query params
         if ($date_to !== null) {
@@ -24055,9 +24055,9 @@ protected function getBudgetsRequest($xero_tenant_id, $i_ds = null, $date_to = n
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Contacts
      */
-    public function getContact($xero_tenant_id, $contact_id)
+    public function getContact($xero_tenant_id$contact_id)
     {
-        list($response) = $this->getContactWithHttpInfo($xero_tenant_id, $contact_id);
+        list($response) = $this->getContactWithHttpInfo($xero_tenant_id$contact_id);
         return $response;
     }
     /**
@@ -24069,9 +24069,9 @@ public function getContact($xero_tenant_id, $contact_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Contacts, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getContactWithHttpInfo($xero_tenant_id, $contact_id)
+    public function getContactWithHttpInfo($xero_tenant_id$contact_id)
     {
-        $request = $this->getContactRequest($xero_tenant_id, $contact_id);
+        $request = $this->getContactRequest($xero_tenant_id$contact_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -24145,9 +24145,9 @@ public function getContactWithHttpInfo($xero_tenant_id, $contact_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getContactAsync($xero_tenant_id, $contact_id)
+    public function getContactAsync($xero_tenant_id$contact_id)
     {
-        return $this->getContactAsyncWithHttpInfo($xero_tenant_id, $contact_id)
+        return $this->getContactAsyncWithHttpInfo($xero_tenant_id$contact_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -24161,10 +24161,10 @@ function ($response) {
      * @param  string $contact_id Unique identifier for a Contact (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getContactAsyncWithHttpInfo($xero_tenant_id, $contact_id)
+    public function getContactAsyncWithHttpInfo($xero_tenant_id$contact_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Contacts';
-        $request = $this->getContactRequest($xero_tenant_id, $contact_id);
+        $request = $this->getContactRequest($xero_tenant_id$contact_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -24204,7 +24204,7 @@ function ($exception) {
      * @param  string $contact_id Unique identifier for a Contact (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getContactRequest($xero_tenant_id, $contact_id)
+    protected function getContactRequest($xero_tenant_id$contact_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -24307,9 +24307,9 @@ protected function getContactRequest($xero_tenant_id, $contact_id)
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getContactAttachmentByFileName($xero_tenant_id, $contact_id, $file_name, $content_type)
+    public function getContactAttachmentByFileName($xero_tenant_id$contact_id$file_name$content_type)
     {
-        list($response) = $this->getContactAttachmentByFileNameWithHttpInfo($xero_tenant_id, $contact_id, $file_name, $content_type);
+        list($response) = $this->getContactAttachmentByFileNameWithHttpInfo($xero_tenant_id$contact_id$file_name$content_type);
         return $response;
     }
     /**
@@ -24323,9 +24323,9 @@ public function getContactAttachmentByFileName($xero_tenant_id, $contact_id, $fi
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getContactAttachmentByFileNameWithHttpInfo($xero_tenant_id, $contact_id, $file_name, $content_type)
+    public function getContactAttachmentByFileNameWithHttpInfo($xero_tenant_id$contact_id$file_name$content_type)
     {
-        $request = $this->getContactAttachmentByFileNameRequest($xero_tenant_id, $contact_id, $file_name, $content_type);
+        $request = $this->getContactAttachmentByFileNameRequest($xero_tenant_id$contact_id$file_name$content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -24401,9 +24401,9 @@ public function getContactAttachmentByFileNameWithHttpInfo($xero_tenant_id, $con
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getContactAttachmentByFileNameAsync($xero_tenant_id, $contact_id, $file_name, $content_type)
+    public function getContactAttachmentByFileNameAsync($xero_tenant_id$contact_id$file_name$content_type)
     {
-        return $this->getContactAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $contact_id, $file_name, $content_type)
+        return $this->getContactAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$contact_id$file_name$content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -24419,10 +24419,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getContactAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $contact_id, $file_name, $content_type)
+    public function getContactAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$contact_id$file_name$content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getContactAttachmentByFileNameRequest($xero_tenant_id, $contact_id, $file_name, $content_type);
+        $request = $this->getContactAttachmentByFileNameRequest($xero_tenant_id$contact_id$file_name$content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -24464,7 +24464,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getContactAttachmentByFileNameRequest($xero_tenant_id, $contact_id, $file_name, $content_type)
+    protected function getContactAttachmentByFileNameRequest($xero_tenant_id$contact_id$file_name$content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -24591,9 +24591,9 @@ protected function getContactAttachmentByFileNameRequest($xero_tenant_id, $conta
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getContactAttachmentById($xero_tenant_id, $contact_id, $attachment_id, $content_type)
+    public function getContactAttachmentById($xero_tenant_id$contact_id$attachment_id$content_type)
     {
-        list($response) = $this->getContactAttachmentByIdWithHttpInfo($xero_tenant_id, $contact_id, $attachment_id, $content_type);
+        list($response) = $this->getContactAttachmentByIdWithHttpInfo($xero_tenant_id$contact_id$attachment_id$content_type);
         return $response;
     }
     /**
@@ -24607,9 +24607,9 @@ public function getContactAttachmentById($xero_tenant_id, $contact_id, $attachme
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getContactAttachmentByIdWithHttpInfo($xero_tenant_id, $contact_id, $attachment_id, $content_type)
+    public function getContactAttachmentByIdWithHttpInfo($xero_tenant_id$contact_id$attachment_id$content_type)
     {
-        $request = $this->getContactAttachmentByIdRequest($xero_tenant_id, $contact_id, $attachment_id, $content_type);
+        $request = $this->getContactAttachmentByIdRequest($xero_tenant_id$contact_id$attachment_id$content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -24685,9 +24685,9 @@ public function getContactAttachmentByIdWithHttpInfo($xero_tenant_id, $contact_i
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getContactAttachmentByIdAsync($xero_tenant_id, $contact_id, $attachment_id, $content_type)
+    public function getContactAttachmentByIdAsync($xero_tenant_id$contact_id$attachment_id$content_type)
     {
-        return $this->getContactAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $contact_id, $attachment_id, $content_type)
+        return $this->getContactAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$contact_id$attachment_id$content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -24703,10 +24703,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getContactAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $contact_id, $attachment_id, $content_type)
+    public function getContactAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$contact_id$attachment_id$content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getContactAttachmentByIdRequest($xero_tenant_id, $contact_id, $attachment_id, $content_type);
+        $request = $this->getContactAttachmentByIdRequest($xero_tenant_id$contact_id$attachment_id$content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -24748,7 +24748,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getContactAttachmentByIdRequest($xero_tenant_id, $contact_id, $attachment_id, $content_type)
+    protected function getContactAttachmentByIdRequest($xero_tenant_id$contact_id$attachment_id$content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -24873,9 +24873,9 @@ protected function getContactAttachmentByIdRequest($xero_tenant_id, $contact_id,
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments
      */
-    public function getContactAttachments($xero_tenant_id, $contact_id)
+    public function getContactAttachments($xero_tenant_id$contact_id)
     {
-        list($response) = $this->getContactAttachmentsWithHttpInfo($xero_tenant_id, $contact_id);
+        list($response) = $this->getContactAttachmentsWithHttpInfo($xero_tenant_id$contact_id);
         return $response;
     }
     /**
@@ -24887,9 +24887,9 @@ public function getContactAttachments($xero_tenant_id, $contact_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getContactAttachmentsWithHttpInfo($xero_tenant_id, $contact_id)
+    public function getContactAttachmentsWithHttpInfo($xero_tenant_id$contact_id)
     {
-        $request = $this->getContactAttachmentsRequest($xero_tenant_id, $contact_id);
+        $request = $this->getContactAttachmentsRequest($xero_tenant_id$contact_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -24963,9 +24963,9 @@ public function getContactAttachmentsWithHttpInfo($xero_tenant_id, $contact_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getContactAttachmentsAsync($xero_tenant_id, $contact_id)
+    public function getContactAttachmentsAsync($xero_tenant_id$contact_id)
     {
-        return $this->getContactAttachmentsAsyncWithHttpInfo($xero_tenant_id, $contact_id)
+        return $this->getContactAttachmentsAsyncWithHttpInfo($xero_tenant_id$contact_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -24979,10 +24979,10 @@ function ($response) {
      * @param  string $contact_id Unique identifier for a Contact (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getContactAttachmentsAsyncWithHttpInfo($xero_tenant_id, $contact_id)
+    public function getContactAttachmentsAsyncWithHttpInfo($xero_tenant_id$contact_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->getContactAttachmentsRequest($xero_tenant_id, $contact_id);
+        $request = $this->getContactAttachmentsRequest($xero_tenant_id$contact_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -25022,7 +25022,7 @@ function ($exception) {
      * @param  string $contact_id Unique identifier for a Contact (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getContactAttachmentsRequest($xero_tenant_id, $contact_id)
+    protected function getContactAttachmentsRequest($xero_tenant_id$contact_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -25123,9 +25123,9 @@ protected function getContactAttachmentsRequest($xero_tenant_id, $contact_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Contacts
      */
-    public function getContactByContactNumber($xero_tenant_id, $contact_number)
+    public function getContactByContactNumber($xero_tenant_id$contact_number)
     {
-        list($response) = $this->getContactByContactNumberWithHttpInfo($xero_tenant_id, $contact_number);
+        list($response) = $this->getContactByContactNumberWithHttpInfo($xero_tenant_id$contact_number);
         return $response;
     }
     /**
@@ -25137,9 +25137,9 @@ public function getContactByContactNumber($xero_tenant_id, $contact_number)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Contacts, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getContactByContactNumberWithHttpInfo($xero_tenant_id, $contact_number)
+    public function getContactByContactNumberWithHttpInfo($xero_tenant_id$contact_number)
     {
-        $request = $this->getContactByContactNumberRequest($xero_tenant_id, $contact_number);
+        $request = $this->getContactByContactNumberRequest($xero_tenant_id$contact_number);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -25213,9 +25213,9 @@ public function getContactByContactNumberWithHttpInfo($xero_tenant_id, $contact_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getContactByContactNumberAsync($xero_tenant_id, $contact_number)
+    public function getContactByContactNumberAsync($xero_tenant_id$contact_number)
     {
-        return $this->getContactByContactNumberAsyncWithHttpInfo($xero_tenant_id, $contact_number)
+        return $this->getContactByContactNumberAsyncWithHttpInfo($xero_tenant_id$contact_number)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -25229,10 +25229,10 @@ function ($response) {
      * @param  string $contact_number This field is read only on the Xero contact screen, used to identify contacts in external systems (max length &#x3D; 50). (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getContactByContactNumberAsyncWithHttpInfo($xero_tenant_id, $contact_number)
+    public function getContactByContactNumberAsyncWithHttpInfo($xero_tenant_id$contact_number)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Contacts';
-        $request = $this->getContactByContactNumberRequest($xero_tenant_id, $contact_number);
+        $request = $this->getContactByContactNumberRequest($xero_tenant_id$contact_number);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -25272,7 +25272,7 @@ function ($exception) {
      * @param  string $contact_number This field is read only on the Xero contact screen, used to identify contacts in external systems (max length &#x3D; 50). (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getContactByContactNumberRequest($xero_tenant_id, $contact_number)
+    protected function getContactByContactNumberRequest($xero_tenant_id$contact_number)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -25373,9 +25373,9 @@ protected function getContactByContactNumberRequest($xero_tenant_id, $contact_nu
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\CISSettings
      */
-    public function getContactCISSettings($xero_tenant_id, $contact_id)
+    public function getContactCISSettings($xero_tenant_id$contact_id)
     {
-        list($response) = $this->getContactCISSettingsWithHttpInfo($xero_tenant_id, $contact_id);
+        list($response) = $this->getContactCISSettingsWithHttpInfo($xero_tenant_id$contact_id);
         return $response;
     }
     /**
@@ -25387,9 +25387,9 @@ public function getContactCISSettings($xero_tenant_id, $contact_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\CISSettings, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getContactCISSettingsWithHttpInfo($xero_tenant_id, $contact_id)
+    public function getContactCISSettingsWithHttpInfo($xero_tenant_id$contact_id)
     {
-        $request = $this->getContactCISSettingsRequest($xero_tenant_id, $contact_id);
+        $request = $this->getContactCISSettingsRequest($xero_tenant_id$contact_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -25463,9 +25463,9 @@ public function getContactCISSettingsWithHttpInfo($xero_tenant_id, $contact_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getContactCISSettingsAsync($xero_tenant_id, $contact_id)
+    public function getContactCISSettingsAsync($xero_tenant_id$contact_id)
     {
-        return $this->getContactCISSettingsAsyncWithHttpInfo($xero_tenant_id, $contact_id)
+        return $this->getContactCISSettingsAsyncWithHttpInfo($xero_tenant_id$contact_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -25479,10 +25479,10 @@ function ($response) {
      * @param  string $contact_id Unique identifier for a Contact (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getContactCISSettingsAsyncWithHttpInfo($xero_tenant_id, $contact_id)
+    public function getContactCISSettingsAsyncWithHttpInfo($xero_tenant_id$contact_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\CISSettings';
-        $request = $this->getContactCISSettingsRequest($xero_tenant_id, $contact_id);
+        $request = $this->getContactCISSettingsRequest($xero_tenant_id$contact_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -25522,7 +25522,7 @@ function ($exception) {
      * @param  string $contact_id Unique identifier for a Contact (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getContactCISSettingsRequest($xero_tenant_id, $contact_id)
+    protected function getContactCISSettingsRequest($xero_tenant_id$contact_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -25623,9 +25623,9 @@ protected function getContactCISSettingsRequest($xero_tenant_id, $contact_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ContactGroups
      */
-    public function getContactGroup($xero_tenant_id, $contact_group_id)
+    public function getContactGroup($xero_tenant_id$contact_group_id)
     {
-        list($response) = $this->getContactGroupWithHttpInfo($xero_tenant_id, $contact_group_id);
+        list($response) = $this->getContactGroupWithHttpInfo($xero_tenant_id$contact_group_id);
         return $response;
     }
     /**
@@ -25637,9 +25637,9 @@ public function getContactGroup($xero_tenant_id, $contact_group_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ContactGroups, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getContactGroupWithHttpInfo($xero_tenant_id, $contact_group_id)
+    public function getContactGroupWithHttpInfo($xero_tenant_id$contact_group_id)
     {
-        $request = $this->getContactGroupRequest($xero_tenant_id, $contact_group_id);
+        $request = $this->getContactGroupRequest($xero_tenant_id$contact_group_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -25713,9 +25713,9 @@ public function getContactGroupWithHttpInfo($xero_tenant_id, $contact_group_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getContactGroupAsync($xero_tenant_id, $contact_group_id)
+    public function getContactGroupAsync($xero_tenant_id$contact_group_id)
     {
-        return $this->getContactGroupAsyncWithHttpInfo($xero_tenant_id, $contact_group_id)
+        return $this->getContactGroupAsyncWithHttpInfo($xero_tenant_id$contact_group_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -25729,10 +25729,10 @@ function ($response) {
      * @param  string $contact_group_id Unique identifier for a Contact Group (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getContactGroupAsyncWithHttpInfo($xero_tenant_id, $contact_group_id)
+    public function getContactGroupAsyncWithHttpInfo($xero_tenant_id$contact_group_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ContactGroups';
-        $request = $this->getContactGroupRequest($xero_tenant_id, $contact_group_id);
+        $request = $this->getContactGroupRequest($xero_tenant_id$contact_group_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -25772,7 +25772,7 @@ function ($exception) {
      * @param  string $contact_group_id Unique identifier for a Contact Group (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getContactGroupRequest($xero_tenant_id, $contact_group_id)
+    protected function getContactGroupRequest($xero_tenant_id$contact_group_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -25874,9 +25874,9 @@ protected function getContactGroupRequest($xero_tenant_id, $contact_group_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ContactGroups
      */
-    public function getContactGroups($xero_tenant_id, $where = null, $order = null)
+    public function getContactGroups($xero_tenant_id$where = null$order = null)
     {
-        list($response) = $this->getContactGroupsWithHttpInfo($xero_tenant_id, $where, $order);
+        list($response) = $this->getContactGroupsWithHttpInfo($xero_tenant_id$where$order);
         return $response;
     }
     /**
@@ -25889,9 +25889,9 @@ public function getContactGroups($xero_tenant_id, $where = null, $order = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ContactGroups, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getContactGroupsWithHttpInfo($xero_tenant_id, $where = null, $order = null)
+    public function getContactGroupsWithHttpInfo($xero_tenant_id$where = null$order = null)
     {
-        $request = $this->getContactGroupsRequest($xero_tenant_id, $where, $order);
+        $request = $this->getContactGroupsRequest($xero_tenant_id$where$order);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -25966,9 +25966,9 @@ public function getContactGroupsWithHttpInfo($xero_tenant_id, $where = null, $or
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getContactGroupsAsync($xero_tenant_id, $where = null, $order = null)
+    public function getContactGroupsAsync($xero_tenant_id$where = null$order = null)
     {
-        return $this->getContactGroupsAsyncWithHttpInfo($xero_tenant_id, $where, $order)
+        return $this->getContactGroupsAsyncWithHttpInfo($xero_tenant_id$where$order)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -25983,10 +25983,10 @@ function ($response) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getContactGroupsAsyncWithHttpInfo($xero_tenant_id, $where = null, $order = null)
+    public function getContactGroupsAsyncWithHttpInfo($xero_tenant_id$where = null$order = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ContactGroups';
-        $request = $this->getContactGroupsRequest($xero_tenant_id, $where, $order);
+        $request = $this->getContactGroupsRequest($xero_tenant_id$where$order);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -26027,7 +26027,7 @@ function ($exception) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getContactGroupsRequest($xero_tenant_id, $where = null, $order = null)
+    protected function getContactGroupsRequest($xero_tenant_id$where = null$order = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -26122,9 +26122,9 @@ protected function getContactGroupsRequest($xero_tenant_id, $where = null, $orde
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getContactHistory($xero_tenant_id, $contact_id)
+    public function getContactHistory($xero_tenant_id$contact_id)
     {
-        list($response) = $this->getContactHistoryWithHttpInfo($xero_tenant_id, $contact_id);
+        list($response) = $this->getContactHistoryWithHttpInfo($xero_tenant_id$contact_id);
         return $response;
     }
     /**
@@ -26136,9 +26136,9 @@ public function getContactHistory($xero_tenant_id, $contact_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getContactHistoryWithHttpInfo($xero_tenant_id, $contact_id)
+    public function getContactHistoryWithHttpInfo($xero_tenant_id$contact_id)
     {
-        $request = $this->getContactHistoryRequest($xero_tenant_id, $contact_id);
+        $request = $this->getContactHistoryRequest($xero_tenant_id$contact_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -26212,9 +26212,9 @@ public function getContactHistoryWithHttpInfo($xero_tenant_id, $contact_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getContactHistoryAsync($xero_tenant_id, $contact_id)
+    public function getContactHistoryAsync($xero_tenant_id$contact_id)
     {
-        return $this->getContactHistoryAsyncWithHttpInfo($xero_tenant_id, $contact_id)
+        return $this->getContactHistoryAsyncWithHttpInfo($xero_tenant_id$contact_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -26228,10 +26228,10 @@ function ($response) {
      * @param  string $contact_id Unique identifier for a Contact (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getContactHistoryAsyncWithHttpInfo($xero_tenant_id, $contact_id)
+    public function getContactHistoryAsyncWithHttpInfo($xero_tenant_id$contact_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getContactHistoryRequest($xero_tenant_id, $contact_id);
+        $request = $this->getContactHistoryRequest($xero_tenant_id$contact_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -26271,7 +26271,7 @@ function ($exception) {
      * @param  string $contact_id Unique identifier for a Contact (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getContactHistoryRequest($xero_tenant_id, $contact_id)
+    protected function getContactHistoryRequest($xero_tenant_id$contact_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -26370,7 +26370,7 @@ protected function getContactHistoryRequest($xero_tenant_id, $contact_id)
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $i_ds Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
+     * @param  string[] $ids Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
      * @param  int $page e.g. page&#x3D;1 - Up to 100 contacts will be returned in a single API call. (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Contacts with a status of ARCHIVED will be included in the response (optional)
      * @param  bool $summary_only Use summaryOnly&#x3D;true in GET Contacts and Invoices endpoint to retrieve a smaller version of the response object. This returns only lightweight fields, excluding computation-heavy fields from the response, making the API calls quick and efficient. (optional, default to false)
@@ -26379,9 +26379,9 @@ protected function getContactHistoryRequest($xero_tenant_id, $contact_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Contacts
      */
-    public function getContacts($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $page = null, $include_archived = null, $summary_only = false, $search_term = null)
+    public function getContacts($xero_tenant_id$if_modified_since = null$where = null$order = null$ids = null$page = null$include_archived = null$summary_only = false$search_term = null)
     {
-        list($response) = $this->getContactsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $i_ds, $page, $include_archived, $summary_only, $search_term);
+        list($response) = $this->getContactsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$ids$page$include_archived$summary_only$search_term);
         return $response;
     }
     /**
@@ -26391,7 +26391,7 @@ public function getContacts($xero_tenant_id, $if_modified_since = null, $where =
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $i_ds Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
+     * @param  string[] $ids Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
      * @param  int $page e.g. page&#x3D;1 - Up to 100 contacts will be returned in a single API call. (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Contacts with a status of ARCHIVED will be included in the response (optional)
      * @param  bool $summary_only Use summaryOnly&#x3D;true in GET Contacts and Invoices endpoint to retrieve a smaller version of the response object. This returns only lightweight fields, excluding computation-heavy fields from the response, making the API calls quick and efficient. (optional, default to false)
@@ -26400,9 +26400,9 @@ public function getContacts($xero_tenant_id, $if_modified_since = null, $where =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Contacts, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getContactsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $page = null, $include_archived = null, $summary_only = false, $search_term = null)
+    public function getContactsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$ids = null$page = null$include_archived = null$summary_only = false$search_term = null)
     {
-        $request = $this->getContactsRequest($xero_tenant_id, $if_modified_since, $where, $order, $i_ds, $page, $include_archived, $summary_only, $search_term);
+        $request = $this->getContactsRequest($xero_tenant_id$if_modified_since$where$order$ids$page$include_archived$summary_only$search_term);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -26475,7 +26475,7 @@ public function getContactsWithHttpInfo($xero_tenant_id, $if_modified_since = nu
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $i_ds Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
+     * @param  string[] $ids Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
      * @param  int $page e.g. page&#x3D;1 - Up to 100 contacts will be returned in a single API call. (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Contacts with a status of ARCHIVED will be included in the response (optional)
      * @param  bool $summary_only Use summaryOnly&#x3D;true in GET Contacts and Invoices endpoint to retrieve a smaller version of the response object. This returns only lightweight fields, excluding computation-heavy fields from the response, making the API calls quick and efficient. (optional, default to false)
@@ -26483,9 +26483,9 @@ public function getContactsWithHttpInfo($xero_tenant_id, $if_modified_since = nu
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getContactsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $page = null, $include_archived = null, $summary_only = false, $search_term = null)
+    public function getContactsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$ids = null$page = null$include_archived = null$summary_only = false$search_term = null)
     {
-        return $this->getContactsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $i_ds, $page, $include_archived, $summary_only, $search_term)
+        return $this->getContactsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$ids$page$include_archived$summary_only$search_term)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -26499,17 +26499,17 @@ function ($response) {
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $i_ds Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
+     * @param  string[] $ids Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
      * @param  int $page e.g. page&#x3D;1 - Up to 100 contacts will be returned in a single API call. (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Contacts with a status of ARCHIVED will be included in the response (optional)
      * @param  bool $summary_only Use summaryOnly&#x3D;true in GET Contacts and Invoices endpoint to retrieve a smaller version of the response object. This returns only lightweight fields, excluding computation-heavy fields from the response, making the API calls quick and efficient. (optional, default to false)
      * @param  string $search_term Search parameter that performs a case-insensitive text search across the Name, FirstName, LastName, ContactNumber and EmailAddress fields. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getContactsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $page = null, $include_archived = null, $summary_only = false, $search_term = null)
+    public function getContactsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$ids = null$page = null$include_archived = null$summary_only = false$search_term = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Contacts';
-        $request = $this->getContactsRequest($xero_tenant_id, $if_modified_since, $where, $order, $i_ds, $page, $include_archived, $summary_only, $search_term);
+        $request = $this->getContactsRequest($xero_tenant_id$if_modified_since$where$order$ids$page$include_archived$summary_only$search_term);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -26549,14 +26549,14 @@ function ($exception) {
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $i_ds Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
+     * @param  string[] $ids Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
      * @param  int $page e.g. page&#x3D;1 - Up to 100 contacts will be returned in a single API call. (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Contacts with a status of ARCHIVED will be included in the response (optional)
      * @param  bool $summary_only Use summaryOnly&#x3D;true in GET Contacts and Invoices endpoint to retrieve a smaller version of the response object. This returns only lightweight fields, excluding computation-heavy fields from the response, making the API calls quick and efficient. (optional, default to false)
      * @param  string $search_term Search parameter that performs a case-insensitive text search across the Name, FirstName, LastName, ContactNumber and EmailAddress fields. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getContactsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $page = null, $include_archived = null, $summary_only = false, $search_term = null)
+    protected function getContactsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$ids = null$page = null$include_archived = null$summary_only = false$search_term = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -26579,11 +26579,11 @@ protected function getContactsRequest($xero_tenant_id, $if_modified_since = null
             $queryParams['order'] = AccountingObjectSerializer::toQueryValue($order);
         }
         // query params
-        if (is_array($i_ds)) {
-            $i_ds = AccountingObjectSerializer::serializeCollection($i_ds, 'csv', true);
+        if (is_array($ids)) {
+            $ids = AccountingObjectSerializer::serializeCollection($ids, 'csv', true);
         }
-        if ($i_ds !== null) {
-            $queryParams['IDs'] = AccountingObjectSerializer::toQueryValue($i_ds);
+        if ($ids !== null) {
+            $queryParams['IDs'] = AccountingObjectSerializer::toQueryValue($ids);
         }
         // query params
         if ($page !== null) {
@@ -26679,9 +26679,9 @@ protected function getContactsRequest($xero_tenant_id, $if_modified_since = null
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\CreditNotes
      */
-    public function getCreditNote($xero_tenant_id, $credit_note_id, $unitdp = null)
+    public function getCreditNote($xero_tenant_id$credit_note_id$unitdp = null)
     {
-        list($response) = $this->getCreditNoteWithHttpInfo($xero_tenant_id, $credit_note_id, $unitdp);
+        list($response) = $this->getCreditNoteWithHttpInfo($xero_tenant_id$credit_note_id$unitdp);
         return $response;
     }
     /**
@@ -26694,9 +26694,9 @@ public function getCreditNote($xero_tenant_id, $credit_note_id, $unitdp = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\CreditNotes, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getCreditNoteWithHttpInfo($xero_tenant_id, $credit_note_id, $unitdp = null)
+    public function getCreditNoteWithHttpInfo($xero_tenant_id$credit_note_id$unitdp = null)
     {
-        $request = $this->getCreditNoteRequest($xero_tenant_id, $credit_note_id, $unitdp);
+        $request = $this->getCreditNoteRequest($xero_tenant_id$credit_note_id$unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -26771,9 +26771,9 @@ public function getCreditNoteWithHttpInfo($xero_tenant_id, $credit_note_id, $uni
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getCreditNoteAsync($xero_tenant_id, $credit_note_id, $unitdp = null)
+    public function getCreditNoteAsync($xero_tenant_id$credit_note_id$unitdp = null)
     {
-        return $this->getCreditNoteAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $unitdp)
+        return $this->getCreditNoteAsyncWithHttpInfo($xero_tenant_id$credit_note_id$unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -26788,10 +26788,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getCreditNoteAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $unitdp = null)
+    public function getCreditNoteAsyncWithHttpInfo($xero_tenant_id$credit_note_id$unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\CreditNotes';
-        $request = $this->getCreditNoteRequest($xero_tenant_id, $credit_note_id, $unitdp);
+        $request = $this->getCreditNoteRequest($xero_tenant_id$credit_note_id$unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -26832,7 +26832,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getCreditNoteRequest($xero_tenant_id, $credit_note_id, $unitdp = null)
+    protected function getCreditNoteRequest($xero_tenant_id$credit_note_id$unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -26937,9 +26937,9 @@ protected function getCreditNoteRequest($xero_tenant_id, $credit_note_id, $unitd
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getCreditNoteAsPdf($xero_tenant_id, $credit_note_id)
+    public function getCreditNoteAsPdf($xero_tenant_id$credit_note_id)
     {
-        list($response) = $this->getCreditNoteAsPdfWithHttpInfo($xero_tenant_id, $credit_note_id);
+        list($response) = $this->getCreditNoteAsPdfWithHttpInfo($xero_tenant_id$credit_note_id);
         return $response;
     }
     /**
@@ -26951,9 +26951,9 @@ public function getCreditNoteAsPdf($xero_tenant_id, $credit_note_id)
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getCreditNoteAsPdfWithHttpInfo($xero_tenant_id, $credit_note_id)
+    public function getCreditNoteAsPdfWithHttpInfo($xero_tenant_id$credit_note_id)
     {
-        $request = $this->getCreditNoteAsPdfRequest($xero_tenant_id, $credit_note_id);
+        $request = $this->getCreditNoteAsPdfRequest($xero_tenant_id$credit_note_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -27027,9 +27027,9 @@ public function getCreditNoteAsPdfWithHttpInfo($xero_tenant_id, $credit_note_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getCreditNoteAsPdfAsync($xero_tenant_id, $credit_note_id)
+    public function getCreditNoteAsPdfAsync($xero_tenant_id$credit_note_id)
     {
-        return $this->getCreditNoteAsPdfAsyncWithHttpInfo($xero_tenant_id, $credit_note_id)
+        return $this->getCreditNoteAsPdfAsyncWithHttpInfo($xero_tenant_id$credit_note_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -27043,10 +27043,10 @@ function ($response) {
      * @param  string $credit_note_id Unique identifier for a Credit Note (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getCreditNoteAsPdfAsyncWithHttpInfo($xero_tenant_id, $credit_note_id)
+    public function getCreditNoteAsPdfAsyncWithHttpInfo($xero_tenant_id$credit_note_id)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getCreditNoteAsPdfRequest($xero_tenant_id, $credit_note_id);
+        $request = $this->getCreditNoteAsPdfRequest($xero_tenant_id$credit_note_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -27086,7 +27086,7 @@ function ($exception) {
      * @param  string $credit_note_id Unique identifier for a Credit Note (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getCreditNoteAsPdfRequest($xero_tenant_id, $credit_note_id)
+    protected function getCreditNoteAsPdfRequest($xero_tenant_id$credit_note_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -27189,9 +27189,9 @@ protected function getCreditNoteAsPdfRequest($xero_tenant_id, $credit_note_id)
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getCreditNoteAttachmentByFileName($xero_tenant_id, $credit_note_id, $file_name, $content_type)
+    public function getCreditNoteAttachmentByFileName($xero_tenant_id$credit_note_id$file_name$content_type)
     {
-        list($response) = $this->getCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $credit_note_id, $file_name, $content_type);
+        list($response) = $this->getCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$credit_note_id$file_name$content_type);
         return $response;
     }
     /**
@@ -27205,9 +27205,9 @@ public function getCreditNoteAttachmentByFileName($xero_tenant_id, $credit_note_
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $credit_note_id, $file_name, $content_type)
+    public function getCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$credit_note_id$file_name$content_type)
     {
-        $request = $this->getCreditNoteAttachmentByFileNameRequest($xero_tenant_id, $credit_note_id, $file_name, $content_type);
+        $request = $this->getCreditNoteAttachmentByFileNameRequest($xero_tenant_id$credit_note_id$file_name$content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -27283,9 +27283,9 @@ public function getCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getCreditNoteAttachmentByFileNameAsync($xero_tenant_id, $credit_note_id, $file_name, $content_type)
+    public function getCreditNoteAttachmentByFileNameAsync($xero_tenant_id$credit_note_id$file_name$content_type)
     {
-        return $this->getCreditNoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $file_name, $content_type)
+        return $this->getCreditNoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$credit_note_id$file_name$content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -27301,10 +27301,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getCreditNoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $file_name, $content_type)
+    public function getCreditNoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$credit_note_id$file_name$content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getCreditNoteAttachmentByFileNameRequest($xero_tenant_id, $credit_note_id, $file_name, $content_type);
+        $request = $this->getCreditNoteAttachmentByFileNameRequest($xero_tenant_id$credit_note_id$file_name$content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -27346,7 +27346,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getCreditNoteAttachmentByFileNameRequest($xero_tenant_id, $credit_note_id, $file_name, $content_type)
+    protected function getCreditNoteAttachmentByFileNameRequest($xero_tenant_id$credit_note_id$file_name$content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -27473,9 +27473,9 @@ protected function getCreditNoteAttachmentByFileNameRequest($xero_tenant_id, $cr
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getCreditNoteAttachmentById($xero_tenant_id, $credit_note_id, $attachment_id, $content_type)
+    public function getCreditNoteAttachmentById($xero_tenant_id$credit_note_id$attachment_id$content_type)
     {
-        list($response) = $this->getCreditNoteAttachmentByIdWithHttpInfo($xero_tenant_id, $credit_note_id, $attachment_id, $content_type);
+        list($response) = $this->getCreditNoteAttachmentByIdWithHttpInfo($xero_tenant_id$credit_note_id$attachment_id$content_type);
         return $response;
     }
     /**
@@ -27489,9 +27489,9 @@ public function getCreditNoteAttachmentById($xero_tenant_id, $credit_note_id, $a
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getCreditNoteAttachmentByIdWithHttpInfo($xero_tenant_id, $credit_note_id, $attachment_id, $content_type)
+    public function getCreditNoteAttachmentByIdWithHttpInfo($xero_tenant_id$credit_note_id$attachment_id$content_type)
     {
-        $request = $this->getCreditNoteAttachmentByIdRequest($xero_tenant_id, $credit_note_id, $attachment_id, $content_type);
+        $request = $this->getCreditNoteAttachmentByIdRequest($xero_tenant_id$credit_note_id$attachment_id$content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -27567,9 +27567,9 @@ public function getCreditNoteAttachmentByIdWithHttpInfo($xero_tenant_id, $credit
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getCreditNoteAttachmentByIdAsync($xero_tenant_id, $credit_note_id, $attachment_id, $content_type)
+    public function getCreditNoteAttachmentByIdAsync($xero_tenant_id$credit_note_id$attachment_id$content_type)
     {
-        return $this->getCreditNoteAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $attachment_id, $content_type)
+        return $this->getCreditNoteAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$credit_note_id$attachment_id$content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -27585,10 +27585,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getCreditNoteAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $attachment_id, $content_type)
+    public function getCreditNoteAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$credit_note_id$attachment_id$content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getCreditNoteAttachmentByIdRequest($xero_tenant_id, $credit_note_id, $attachment_id, $content_type);
+        $request = $this->getCreditNoteAttachmentByIdRequest($xero_tenant_id$credit_note_id$attachment_id$content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -27630,7 +27630,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getCreditNoteAttachmentByIdRequest($xero_tenant_id, $credit_note_id, $attachment_id, $content_type)
+    protected function getCreditNoteAttachmentByIdRequest($xero_tenant_id$credit_note_id$attachment_id$content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -27755,9 +27755,9 @@ protected function getCreditNoteAttachmentByIdRequest($xero_tenant_id, $credit_n
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments
      */
-    public function getCreditNoteAttachments($xero_tenant_id, $credit_note_id)
+    public function getCreditNoteAttachments($xero_tenant_id$credit_note_id)
     {
-        list($response) = $this->getCreditNoteAttachmentsWithHttpInfo($xero_tenant_id, $credit_note_id);
+        list($response) = $this->getCreditNoteAttachmentsWithHttpInfo($xero_tenant_id$credit_note_id);
         return $response;
     }
     /**
@@ -27769,9 +27769,9 @@ public function getCreditNoteAttachments($xero_tenant_id, $credit_note_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getCreditNoteAttachmentsWithHttpInfo($xero_tenant_id, $credit_note_id)
+    public function getCreditNoteAttachmentsWithHttpInfo($xero_tenant_id$credit_note_id)
     {
-        $request = $this->getCreditNoteAttachmentsRequest($xero_tenant_id, $credit_note_id);
+        $request = $this->getCreditNoteAttachmentsRequest($xero_tenant_id$credit_note_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -27845,9 +27845,9 @@ public function getCreditNoteAttachmentsWithHttpInfo($xero_tenant_id, $credit_no
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getCreditNoteAttachmentsAsync($xero_tenant_id, $credit_note_id)
+    public function getCreditNoteAttachmentsAsync($xero_tenant_id$credit_note_id)
     {
-        return $this->getCreditNoteAttachmentsAsyncWithHttpInfo($xero_tenant_id, $credit_note_id)
+        return $this->getCreditNoteAttachmentsAsyncWithHttpInfo($xero_tenant_id$credit_note_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -27861,10 +27861,10 @@ function ($response) {
      * @param  string $credit_note_id Unique identifier for a Credit Note (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getCreditNoteAttachmentsAsyncWithHttpInfo($xero_tenant_id, $credit_note_id)
+    public function getCreditNoteAttachmentsAsyncWithHttpInfo($xero_tenant_id$credit_note_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->getCreditNoteAttachmentsRequest($xero_tenant_id, $credit_note_id);
+        $request = $this->getCreditNoteAttachmentsRequest($xero_tenant_id$credit_note_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -27904,7 +27904,7 @@ function ($exception) {
      * @param  string $credit_note_id Unique identifier for a Credit Note (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getCreditNoteAttachmentsRequest($xero_tenant_id, $credit_note_id)
+    protected function getCreditNoteAttachmentsRequest($xero_tenant_id$credit_note_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -28005,9 +28005,9 @@ protected function getCreditNoteAttachmentsRequest($xero_tenant_id, $credit_note
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getCreditNoteHistory($xero_tenant_id, $credit_note_id)
+    public function getCreditNoteHistory($xero_tenant_id$credit_note_id)
     {
-        list($response) = $this->getCreditNoteHistoryWithHttpInfo($xero_tenant_id, $credit_note_id);
+        list($response) = $this->getCreditNoteHistoryWithHttpInfo($xero_tenant_id$credit_note_id);
         return $response;
     }
     /**
@@ -28019,9 +28019,9 @@ public function getCreditNoteHistory($xero_tenant_id, $credit_note_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getCreditNoteHistoryWithHttpInfo($xero_tenant_id, $credit_note_id)
+    public function getCreditNoteHistoryWithHttpInfo($xero_tenant_id$credit_note_id)
     {
-        $request = $this->getCreditNoteHistoryRequest($xero_tenant_id, $credit_note_id);
+        $request = $this->getCreditNoteHistoryRequest($xero_tenant_id$credit_note_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -28095,9 +28095,9 @@ public function getCreditNoteHistoryWithHttpInfo($xero_tenant_id, $credit_note_i
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getCreditNoteHistoryAsync($xero_tenant_id, $credit_note_id)
+    public function getCreditNoteHistoryAsync($xero_tenant_id$credit_note_id)
     {
-        return $this->getCreditNoteHistoryAsyncWithHttpInfo($xero_tenant_id, $credit_note_id)
+        return $this->getCreditNoteHistoryAsyncWithHttpInfo($xero_tenant_id$credit_note_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -28111,10 +28111,10 @@ function ($response) {
      * @param  string $credit_note_id Unique identifier for a Credit Note (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getCreditNoteHistoryAsyncWithHttpInfo($xero_tenant_id, $credit_note_id)
+    public function getCreditNoteHistoryAsyncWithHttpInfo($xero_tenant_id$credit_note_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getCreditNoteHistoryRequest($xero_tenant_id, $credit_note_id);
+        $request = $this->getCreditNoteHistoryRequest($xero_tenant_id$credit_note_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -28154,7 +28154,7 @@ function ($exception) {
      * @param  string $credit_note_id Unique identifier for a Credit Note (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getCreditNoteHistoryRequest($xero_tenant_id, $credit_note_id)
+    protected function getCreditNoteHistoryRequest($xero_tenant_id$credit_note_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -28259,9 +28259,9 @@ protected function getCreditNoteHistoryRequest($xero_tenant_id, $credit_note_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\CreditNotes
      */
-    public function getCreditNotes($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
+    public function getCreditNotes($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
     {
-        list($response) = $this->getCreditNotesWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp);
+        list($response) = $this->getCreditNotesWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page$unitdp);
         return $response;
     }
     /**
@@ -28277,9 +28277,9 @@ public function getCreditNotes($xero_tenant_id, $if_modified_since = null, $wher
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\CreditNotes, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getCreditNotesWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
+    public function getCreditNotesWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
     {
-        $request = $this->getCreditNotesRequest($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp);
+        $request = $this->getCreditNotesRequest($xero_tenant_id$if_modified_since$where$order$page$unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -28357,9 +28357,9 @@ public function getCreditNotesWithHttpInfo($xero_tenant_id, $if_modified_since =
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getCreditNotesAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
+    public function getCreditNotesAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
     {
-        return $this->getCreditNotesAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp)
+        return $this->getCreditNotesAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page$unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -28377,10 +28377,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getCreditNotesAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
+    public function getCreditNotesAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\CreditNotes';
-        $request = $this->getCreditNotesRequest($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp);
+        $request = $this->getCreditNotesRequest($xero_tenant_id$if_modified_since$where$order$page$unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -28424,7 +28424,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getCreditNotesRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
+    protected function getCreditNotesRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -28532,9 +28532,9 @@ protected function getCreditNotesRequest($xero_tenant_id, $if_modified_since = n
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Currencies
      */
-    public function getCurrencies($xero_tenant_id, $where = null, $order = null)
+    public function getCurrencies($xero_tenant_id$where = null$order = null)
     {
-        list($response) = $this->getCurrenciesWithHttpInfo($xero_tenant_id, $where, $order);
+        list($response) = $this->getCurrenciesWithHttpInfo($xero_tenant_id$where$order);
         return $response;
     }
     /**
@@ -28547,9 +28547,9 @@ public function getCurrencies($xero_tenant_id, $where = null, $order = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Currencies, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getCurrenciesWithHttpInfo($xero_tenant_id, $where = null, $order = null)
+    public function getCurrenciesWithHttpInfo($xero_tenant_id$where = null$order = null)
     {
-        $request = $this->getCurrenciesRequest($xero_tenant_id, $where, $order);
+        $request = $this->getCurrenciesRequest($xero_tenant_id$where$order);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -28624,9 +28624,9 @@ public function getCurrenciesWithHttpInfo($xero_tenant_id, $where = null, $order
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getCurrenciesAsync($xero_tenant_id, $where = null, $order = null)
+    public function getCurrenciesAsync($xero_tenant_id$where = null$order = null)
     {
-        return $this->getCurrenciesAsyncWithHttpInfo($xero_tenant_id, $where, $order)
+        return $this->getCurrenciesAsyncWithHttpInfo($xero_tenant_id$where$order)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -28641,10 +28641,10 @@ function ($response) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getCurrenciesAsyncWithHttpInfo($xero_tenant_id, $where = null, $order = null)
+    public function getCurrenciesAsyncWithHttpInfo($xero_tenant_id$where = null$order = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Currencies';
-        $request = $this->getCurrenciesRequest($xero_tenant_id, $where, $order);
+        $request = $this->getCurrenciesRequest($xero_tenant_id$where$order);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -28685,7 +28685,7 @@ function ($exception) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getCurrenciesRequest($xero_tenant_id, $where = null, $order = null)
+    protected function getCurrenciesRequest($xero_tenant_id$where = null$order = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -28780,9 +28780,9 @@ protected function getCurrenciesRequest($xero_tenant_id, $where = null, $order =
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Employees
      */
-    public function getEmployee($xero_tenant_id, $employee_id)
+    public function getEmployee($xero_tenant_id$employee_id)
     {
-        list($response) = $this->getEmployeeWithHttpInfo($xero_tenant_id, $employee_id);
+        list($response) = $this->getEmployeeWithHttpInfo($xero_tenant_id$employee_id);
         return $response;
     }
     /**
@@ -28794,9 +28794,9 @@ public function getEmployee($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Employees, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeWithHttpInfo($xero_tenant_id$employee_id)
     {
-        $request = $this->getEmployeeRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeRequest($xero_tenant_id$employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -28870,9 +28870,9 @@ public function getEmployeeWithHttpInfo($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeAsync($xero_tenant_id, $employee_id)
+    public function getEmployeeAsync($xero_tenant_id$employee_id)
     {
-        return $this->getEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+        return $this->getEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -28886,10 +28886,10 @@ function ($response) {
      * @param  string $employee_id Unique identifier for a Employee (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Employees';
-        $request = $this->getEmployeeRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeRequest($xero_tenant_id$employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -28929,7 +28929,7 @@ function ($exception) {
      * @param  string $employee_id Unique identifier for a Employee (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeRequest($xero_tenant_id, $employee_id)
+    protected function getEmployeeRequest($xero_tenant_id$employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -29032,9 +29032,9 @@ protected function getEmployeeRequest($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Employees
      */
-    public function getEmployees($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    public function getEmployees($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
-        list($response) = $this->getEmployeesWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order);
+        list($response) = $this->getEmployeesWithHttpInfo($xero_tenant_id$if_modified_since$where$order);
         return $response;
     }
     /**
@@ -29048,9 +29048,9 @@ public function getEmployees($xero_tenant_id, $if_modified_since = null, $where
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Employees, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeesWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    public function getEmployeesWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
-        $request = $this->getEmployeesRequest($xero_tenant_id, $if_modified_since, $where, $order);
+        $request = $this->getEmployeesRequest($xero_tenant_id$if_modified_since$where$order);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -29126,9 +29126,9 @@ public function getEmployeesWithHttpInfo($xero_tenant_id, $if_modified_since = n
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeesAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    public function getEmployeesAsync($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
-        return $this->getEmployeesAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order)
+        return $this->getEmployeesAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -29144,10 +29144,10 @@ function ($response) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeesAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    public function getEmployeesAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Employees';
-        $request = $this->getEmployeesRequest($xero_tenant_id, $if_modified_since, $where, $order);
+        $request = $this->getEmployeesRequest($xero_tenant_id$if_modified_since$where$order);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -29189,7 +29189,7 @@ function ($exception) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeesRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    protected function getEmployeesRequest($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -29288,9 +29288,9 @@ protected function getEmployeesRequest($xero_tenant_id, $if_modified_since = nul
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims
      */
-    public function getExpenseClaim($xero_tenant_id, $expense_claim_id)
+    public function getExpenseClaim($xero_tenant_id$expense_claim_id)
     {
-        list($response) = $this->getExpenseClaimWithHttpInfo($xero_tenant_id, $expense_claim_id);
+        list($response) = $this->getExpenseClaimWithHttpInfo($xero_tenant_id$expense_claim_id);
         return $response;
     }
     /**
@@ -29302,9 +29302,9 @@ public function getExpenseClaim($xero_tenant_id, $expense_claim_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getExpenseClaimWithHttpInfo($xero_tenant_id, $expense_claim_id)
+    public function getExpenseClaimWithHttpInfo($xero_tenant_id$expense_claim_id)
     {
-        $request = $this->getExpenseClaimRequest($xero_tenant_id, $expense_claim_id);
+        $request = $this->getExpenseClaimRequest($xero_tenant_id$expense_claim_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -29378,9 +29378,9 @@ public function getExpenseClaimWithHttpInfo($xero_tenant_id, $expense_claim_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getExpenseClaimAsync($xero_tenant_id, $expense_claim_id)
+    public function getExpenseClaimAsync($xero_tenant_id$expense_claim_id)
     {
-        return $this->getExpenseClaimAsyncWithHttpInfo($xero_tenant_id, $expense_claim_id)
+        return $this->getExpenseClaimAsyncWithHttpInfo($xero_tenant_id$expense_claim_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -29394,10 +29394,10 @@ function ($response) {
      * @param  string $expense_claim_id Unique identifier for a ExpenseClaim (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getExpenseClaimAsyncWithHttpInfo($xero_tenant_id, $expense_claim_id)
+    public function getExpenseClaimAsyncWithHttpInfo($xero_tenant_id$expense_claim_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims';
-        $request = $this->getExpenseClaimRequest($xero_tenant_id, $expense_claim_id);
+        $request = $this->getExpenseClaimRequest($xero_tenant_id$expense_claim_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -29437,7 +29437,7 @@ function ($exception) {
      * @param  string $expense_claim_id Unique identifier for a ExpenseClaim (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getExpenseClaimRequest($xero_tenant_id, $expense_claim_id)
+    protected function getExpenseClaimRequest($xero_tenant_id$expense_claim_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -29538,9 +29538,9 @@ protected function getExpenseClaimRequest($xero_tenant_id, $expense_claim_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getExpenseClaimHistory($xero_tenant_id, $expense_claim_id)
+    public function getExpenseClaimHistory($xero_tenant_id$expense_claim_id)
     {
-        list($response) = $this->getExpenseClaimHistoryWithHttpInfo($xero_tenant_id, $expense_claim_id);
+        list($response) = $this->getExpenseClaimHistoryWithHttpInfo($xero_tenant_id$expense_claim_id);
         return $response;
     }
     /**
@@ -29552,9 +29552,9 @@ public function getExpenseClaimHistory($xero_tenant_id, $expense_claim_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getExpenseClaimHistoryWithHttpInfo($xero_tenant_id, $expense_claim_id)
+    public function getExpenseClaimHistoryWithHttpInfo($xero_tenant_id$expense_claim_id)
     {
-        $request = $this->getExpenseClaimHistoryRequest($xero_tenant_id, $expense_claim_id);
+        $request = $this->getExpenseClaimHistoryRequest($xero_tenant_id$expense_claim_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -29628,9 +29628,9 @@ public function getExpenseClaimHistoryWithHttpInfo($xero_tenant_id, $expense_cla
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getExpenseClaimHistoryAsync($xero_tenant_id, $expense_claim_id)
+    public function getExpenseClaimHistoryAsync($xero_tenant_id$expense_claim_id)
     {
-        return $this->getExpenseClaimHistoryAsyncWithHttpInfo($xero_tenant_id, $expense_claim_id)
+        return $this->getExpenseClaimHistoryAsyncWithHttpInfo($xero_tenant_id$expense_claim_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -29644,10 +29644,10 @@ function ($response) {
      * @param  string $expense_claim_id Unique identifier for a ExpenseClaim (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getExpenseClaimHistoryAsyncWithHttpInfo($xero_tenant_id, $expense_claim_id)
+    public function getExpenseClaimHistoryAsyncWithHttpInfo($xero_tenant_id$expense_claim_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getExpenseClaimHistoryRequest($xero_tenant_id, $expense_claim_id);
+        $request = $this->getExpenseClaimHistoryRequest($xero_tenant_id$expense_claim_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -29687,7 +29687,7 @@ function ($exception) {
      * @param  string $expense_claim_id Unique identifier for a ExpenseClaim (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getExpenseClaimHistoryRequest($xero_tenant_id, $expense_claim_id)
+    protected function getExpenseClaimHistoryRequest($xero_tenant_id$expense_claim_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -29790,9 +29790,9 @@ protected function getExpenseClaimHistoryRequest($xero_tenant_id, $expense_claim
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims
      */
-    public function getExpenseClaims($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    public function getExpenseClaims($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
-        list($response) = $this->getExpenseClaimsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order);
+        list($response) = $this->getExpenseClaimsWithHttpInfo($xero_tenant_id$if_modified_since$where$order);
         return $response;
     }
     /**
@@ -29806,9 +29806,9 @@ public function getExpenseClaims($xero_tenant_id, $if_modified_since = null, $wh
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getExpenseClaimsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    public function getExpenseClaimsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
-        $request = $this->getExpenseClaimsRequest($xero_tenant_id, $if_modified_since, $where, $order);
+        $request = $this->getExpenseClaimsRequest($xero_tenant_id$if_modified_since$where$order);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -29884,9 +29884,9 @@ public function getExpenseClaimsWithHttpInfo($xero_tenant_id, $if_modified_since
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getExpenseClaimsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    public function getExpenseClaimsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
-        return $this->getExpenseClaimsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order)
+        return $this->getExpenseClaimsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -29902,10 +29902,10 @@ function ($response) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getExpenseClaimsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    public function getExpenseClaimsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims';
-        $request = $this->getExpenseClaimsRequest($xero_tenant_id, $if_modified_since, $where, $order);
+        $request = $this->getExpenseClaimsRequest($xero_tenant_id$if_modified_since$where$order);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -29947,7 +29947,7 @@ function ($exception) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getExpenseClaimsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    protected function getExpenseClaimsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -30047,9 +30047,9 @@ protected function getExpenseClaimsRequest($xero_tenant_id, $if_modified_since =
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Invoices
      */
-    public function getInvoice($xero_tenant_id, $invoice_id, $unitdp = null)
+    public function getInvoice($xero_tenant_id$invoice_id$unitdp = null)
     {
-        list($response) = $this->getInvoiceWithHttpInfo($xero_tenant_id, $invoice_id, $unitdp);
+        list($response) = $this->getInvoiceWithHttpInfo($xero_tenant_id$invoice_id$unitdp);
         return $response;
     }
     /**
@@ -30062,9 +30062,9 @@ public function getInvoice($xero_tenant_id, $invoice_id, $unitdp = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Invoices, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getInvoiceWithHttpInfo($xero_tenant_id, $invoice_id, $unitdp = null)
+    public function getInvoiceWithHttpInfo($xero_tenant_id$invoice_id$unitdp = null)
     {
-        $request = $this->getInvoiceRequest($xero_tenant_id, $invoice_id, $unitdp);
+        $request = $this->getInvoiceRequest($xero_tenant_id$invoice_id$unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -30139,9 +30139,9 @@ public function getInvoiceWithHttpInfo($xero_tenant_id, $invoice_id, $unitdp = n
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getInvoiceAsync($xero_tenant_id, $invoice_id, $unitdp = null)
+    public function getInvoiceAsync($xero_tenant_id$invoice_id$unitdp = null)
     {
-        return $this->getInvoiceAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $unitdp)
+        return $this->getInvoiceAsyncWithHttpInfo($xero_tenant_id$invoice_id$unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -30156,10 +30156,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getInvoiceAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $unitdp = null)
+    public function getInvoiceAsyncWithHttpInfo($xero_tenant_id$invoice_id$unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Invoices';
-        $request = $this->getInvoiceRequest($xero_tenant_id, $invoice_id, $unitdp);
+        $request = $this->getInvoiceRequest($xero_tenant_id$invoice_id$unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -30200,7 +30200,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getInvoiceRequest($xero_tenant_id, $invoice_id, $unitdp = null)
+    protected function getInvoiceRequest($xero_tenant_id$invoice_id$unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -30305,9 +30305,9 @@ protected function getInvoiceRequest($xero_tenant_id, $invoice_id, $unitdp = nul
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getInvoiceAsPdf($xero_tenant_id, $invoice_id)
+    public function getInvoiceAsPdf($xero_tenant_id$invoice_id)
     {
-        list($response) = $this->getInvoiceAsPdfWithHttpInfo($xero_tenant_id, $invoice_id);
+        list($response) = $this->getInvoiceAsPdfWithHttpInfo($xero_tenant_id$invoice_id);
         return $response;
     }
     /**
@@ -30319,9 +30319,9 @@ public function getInvoiceAsPdf($xero_tenant_id, $invoice_id)
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getInvoiceAsPdfWithHttpInfo($xero_tenant_id, $invoice_id)
+    public function getInvoiceAsPdfWithHttpInfo($xero_tenant_id$invoice_id)
     {
-        $request = $this->getInvoiceAsPdfRequest($xero_tenant_id, $invoice_id);
+        $request = $this->getInvoiceAsPdfRequest($xero_tenant_id$invoice_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -30395,9 +30395,9 @@ public function getInvoiceAsPdfWithHttpInfo($xero_tenant_id, $invoice_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getInvoiceAsPdfAsync($xero_tenant_id, $invoice_id)
+    public function getInvoiceAsPdfAsync($xero_tenant_id$invoice_id)
     {
-        return $this->getInvoiceAsPdfAsyncWithHttpInfo($xero_tenant_id, $invoice_id)
+        return $this->getInvoiceAsPdfAsyncWithHttpInfo($xero_tenant_id$invoice_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -30411,10 +30411,10 @@ function ($response) {
      * @param  string $invoice_id Unique identifier for an Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getInvoiceAsPdfAsyncWithHttpInfo($xero_tenant_id, $invoice_id)
+    public function getInvoiceAsPdfAsyncWithHttpInfo($xero_tenant_id$invoice_id)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getInvoiceAsPdfRequest($xero_tenant_id, $invoice_id);
+        $request = $this->getInvoiceAsPdfRequest($xero_tenant_id$invoice_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -30454,7 +30454,7 @@ function ($exception) {
      * @param  string $invoice_id Unique identifier for an Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getInvoiceAsPdfRequest($xero_tenant_id, $invoice_id)
+    protected function getInvoiceAsPdfRequest($xero_tenant_id$invoice_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -30557,9 +30557,9 @@ protected function getInvoiceAsPdfRequest($xero_tenant_id, $invoice_id)
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getInvoiceAttachmentByFileName($xero_tenant_id, $invoice_id, $file_name, $content_type)
+    public function getInvoiceAttachmentByFileName($xero_tenant_id$invoice_id$file_name$content_type)
     {
-        list($response) = $this->getInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id, $invoice_id, $file_name, $content_type);
+        list($response) = $this->getInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id$invoice_id$file_name$content_type);
         return $response;
     }
     /**
@@ -30573,9 +30573,9 @@ public function getInvoiceAttachmentByFileName($xero_tenant_id, $invoice_id, $fi
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id, $invoice_id, $file_name, $content_type)
+    public function getInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id$invoice_id$file_name$content_type)
     {
-        $request = $this->getInvoiceAttachmentByFileNameRequest($xero_tenant_id, $invoice_id, $file_name, $content_type);
+        $request = $this->getInvoiceAttachmentByFileNameRequest($xero_tenant_id$invoice_id$file_name$content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -30651,9 +30651,9 @@ public function getInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id, $inv
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getInvoiceAttachmentByFileNameAsync($xero_tenant_id, $invoice_id, $file_name, $content_type)
+    public function getInvoiceAttachmentByFileNameAsync($xero_tenant_id$invoice_id$file_name$content_type)
     {
-        return $this->getInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $file_name, $content_type)
+        return $this->getInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$invoice_id$file_name$content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -30669,10 +30669,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $file_name, $content_type)
+    public function getInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$invoice_id$file_name$content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getInvoiceAttachmentByFileNameRequest($xero_tenant_id, $invoice_id, $file_name, $content_type);
+        $request = $this->getInvoiceAttachmentByFileNameRequest($xero_tenant_id$invoice_id$file_name$content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -30714,7 +30714,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getInvoiceAttachmentByFileNameRequest($xero_tenant_id, $invoice_id, $file_name, $content_type)
+    protected function getInvoiceAttachmentByFileNameRequest($xero_tenant_id$invoice_id$file_name$content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -30841,9 +30841,9 @@ protected function getInvoiceAttachmentByFileNameRequest($xero_tenant_id, $invoi
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getInvoiceAttachmentById($xero_tenant_id, $invoice_id, $attachment_id, $content_type)
+    public function getInvoiceAttachmentById($xero_tenant_id$invoice_id$attachment_id$content_type)
     {
-        list($response) = $this->getInvoiceAttachmentByIdWithHttpInfo($xero_tenant_id, $invoice_id, $attachment_id, $content_type);
+        list($response) = $this->getInvoiceAttachmentByIdWithHttpInfo($xero_tenant_id$invoice_id$attachment_id$content_type);
         return $response;
     }
     /**
@@ -30857,9 +30857,9 @@ public function getInvoiceAttachmentById($xero_tenant_id, $invoice_id, $attachme
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getInvoiceAttachmentByIdWithHttpInfo($xero_tenant_id, $invoice_id, $attachment_id, $content_type)
+    public function getInvoiceAttachmentByIdWithHttpInfo($xero_tenant_id$invoice_id$attachment_id$content_type)
     {
-        $request = $this->getInvoiceAttachmentByIdRequest($xero_tenant_id, $invoice_id, $attachment_id, $content_type);
+        $request = $this->getInvoiceAttachmentByIdRequest($xero_tenant_id$invoice_id$attachment_id$content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -30935,9 +30935,9 @@ public function getInvoiceAttachmentByIdWithHttpInfo($xero_tenant_id, $invoice_i
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getInvoiceAttachmentByIdAsync($xero_tenant_id, $invoice_id, $attachment_id, $content_type)
+    public function getInvoiceAttachmentByIdAsync($xero_tenant_id$invoice_id$attachment_id$content_type)
     {
-        return $this->getInvoiceAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $attachment_id, $content_type)
+        return $this->getInvoiceAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$invoice_id$attachment_id$content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -30953,10 +30953,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getInvoiceAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $attachment_id, $content_type)
+    public function getInvoiceAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$invoice_id$attachment_id$content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getInvoiceAttachmentByIdRequest($xero_tenant_id, $invoice_id, $attachment_id, $content_type);
+        $request = $this->getInvoiceAttachmentByIdRequest($xero_tenant_id$invoice_id$attachment_id$content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -30998,7 +30998,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getInvoiceAttachmentByIdRequest($xero_tenant_id, $invoice_id, $attachment_id, $content_type)
+    protected function getInvoiceAttachmentByIdRequest($xero_tenant_id$invoice_id$attachment_id$content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -31123,9 +31123,9 @@ protected function getInvoiceAttachmentByIdRequest($xero_tenant_id, $invoice_id,
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments
      */
-    public function getInvoiceAttachments($xero_tenant_id, $invoice_id)
+    public function getInvoiceAttachments($xero_tenant_id$invoice_id)
     {
-        list($response) = $this->getInvoiceAttachmentsWithHttpInfo($xero_tenant_id, $invoice_id);
+        list($response) = $this->getInvoiceAttachmentsWithHttpInfo($xero_tenant_id$invoice_id);
         return $response;
     }
     /**
@@ -31137,9 +31137,9 @@ public function getInvoiceAttachments($xero_tenant_id, $invoice_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getInvoiceAttachmentsWithHttpInfo($xero_tenant_id, $invoice_id)
+    public function getInvoiceAttachmentsWithHttpInfo($xero_tenant_id$invoice_id)
     {
-        $request = $this->getInvoiceAttachmentsRequest($xero_tenant_id, $invoice_id);
+        $request = $this->getInvoiceAttachmentsRequest($xero_tenant_id$invoice_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -31213,9 +31213,9 @@ public function getInvoiceAttachmentsWithHttpInfo($xero_tenant_id, $invoice_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getInvoiceAttachmentsAsync($xero_tenant_id, $invoice_id)
+    public function getInvoiceAttachmentsAsync($xero_tenant_id$invoice_id)
     {
-        return $this->getInvoiceAttachmentsAsyncWithHttpInfo($xero_tenant_id, $invoice_id)
+        return $this->getInvoiceAttachmentsAsyncWithHttpInfo($xero_tenant_id$invoice_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -31229,10 +31229,10 @@ function ($response) {
      * @param  string $invoice_id Unique identifier for an Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getInvoiceAttachmentsAsyncWithHttpInfo($xero_tenant_id, $invoice_id)
+    public function getInvoiceAttachmentsAsyncWithHttpInfo($xero_tenant_id$invoice_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->getInvoiceAttachmentsRequest($xero_tenant_id, $invoice_id);
+        $request = $this->getInvoiceAttachmentsRequest($xero_tenant_id$invoice_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -31272,7 +31272,7 @@ function ($exception) {
      * @param  string $invoice_id Unique identifier for an Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getInvoiceAttachmentsRequest($xero_tenant_id, $invoice_id)
+    protected function getInvoiceAttachmentsRequest($xero_tenant_id$invoice_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -31373,9 +31373,9 @@ protected function getInvoiceAttachmentsRequest($xero_tenant_id, $invoice_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getInvoiceHistory($xero_tenant_id, $invoice_id)
+    public function getInvoiceHistory($xero_tenant_id$invoice_id)
     {
-        list($response) = $this->getInvoiceHistoryWithHttpInfo($xero_tenant_id, $invoice_id);
+        list($response) = $this->getInvoiceHistoryWithHttpInfo($xero_tenant_id$invoice_id);
         return $response;
     }
     /**
@@ -31387,9 +31387,9 @@ public function getInvoiceHistory($xero_tenant_id, $invoice_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getInvoiceHistoryWithHttpInfo($xero_tenant_id, $invoice_id)
+    public function getInvoiceHistoryWithHttpInfo($xero_tenant_id$invoice_id)
     {
-        $request = $this->getInvoiceHistoryRequest($xero_tenant_id, $invoice_id);
+        $request = $this->getInvoiceHistoryRequest($xero_tenant_id$invoice_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -31463,9 +31463,9 @@ public function getInvoiceHistoryWithHttpInfo($xero_tenant_id, $invoice_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getInvoiceHistoryAsync($xero_tenant_id, $invoice_id)
+    public function getInvoiceHistoryAsync($xero_tenant_id$invoice_id)
     {
-        return $this->getInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id, $invoice_id)
+        return $this->getInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id$invoice_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -31479,10 +31479,10 @@ function ($response) {
      * @param  string $invoice_id Unique identifier for an Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id, $invoice_id)
+    public function getInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id$invoice_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getInvoiceHistoryRequest($xero_tenant_id, $invoice_id);
+        $request = $this->getInvoiceHistoryRequest($xero_tenant_id$invoice_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -31522,7 +31522,7 @@ function ($exception) {
      * @param  string $invoice_id Unique identifier for an Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getInvoiceHistoryRequest($xero_tenant_id, $invoice_id)
+    protected function getInvoiceHistoryRequest($xero_tenant_id$invoice_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -31852,9 +31852,9 @@ protected function getInvoiceRemindersRequest($xero_tenant_id)
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $i_ds Filter by a comma-separated list of InvoicesIDs. (optional)
+     * @param  string[] $ids Filter by a comma-separated list of InvoicesIDs. (optional)
      * @param  string[] $invoice_numbers Filter by a comma-separated list of InvoiceNumbers. (optional)
-     * @param  string[] $contact_i_ds Filter by a comma-separated list of ContactIDs. (optional)
+     * @param  string[] $contact_ids Filter by a comma-separated list of ContactIDs. (optional)
      * @param  string[] $statuses Filter by a comma-separated list Statuses. For faster response times we recommend using these explicit parameters instead of passing OR conditions into the Where filter. (optional)
      * @param  int $page e.g. page&#x3D;1 – Up to 100 invoices will be returned in a single API call with line items shown for each invoice (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Invoices with a status of ARCHIVED will be included in the response (optional)
@@ -31865,9 +31865,9 @@ protected function getInvoiceRemindersRequest($xero_tenant_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Invoices
      */
-    public function getInvoices($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $invoice_numbers = null, $contact_i_ds = null, $statuses = null, $page = null, $include_archived = null, $created_by_my_app = null, $unitdp = null, $summary_only = false)
+    public function getInvoices($xero_tenant_id$if_modified_since = null$where = null$order = null$ids = null$invoice_numbers = null$contact_ids = null$statuses = null$page = null$include_archived = null$created_by_my_app = null$unitdp = null$summary_only = false)
     {
-        list($response) = $this->getInvoicesWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $i_ds, $invoice_numbers, $contact_i_ds, $statuses, $page, $include_archived, $created_by_my_app, $unitdp, $summary_only);
+        list($response) = $this->getInvoicesWithHttpInfo($xero_tenant_id$if_modified_since$where$order$ids$invoice_numbers$contact_ids$statuses$page$include_archived$created_by_my_app$unitdp$summary_only);
         return $response;
     }
     /**
@@ -31877,9 +31877,9 @@ public function getInvoices($xero_tenant_id, $if_modified_since = null, $where =
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $i_ds Filter by a comma-separated list of InvoicesIDs. (optional)
+     * @param  string[] $ids Filter by a comma-separated list of InvoicesIDs. (optional)
      * @param  string[] $invoice_numbers Filter by a comma-separated list of InvoiceNumbers. (optional)
-     * @param  string[] $contact_i_ds Filter by a comma-separated list of ContactIDs. (optional)
+     * @param  string[] $contact_ids Filter by a comma-separated list of ContactIDs. (optional)
      * @param  string[] $statuses Filter by a comma-separated list Statuses. For faster response times we recommend using these explicit parameters instead of passing OR conditions into the Where filter. (optional)
      * @param  int $page e.g. page&#x3D;1 – Up to 100 invoices will be returned in a single API call with line items shown for each invoice (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Invoices with a status of ARCHIVED will be included in the response (optional)
@@ -31890,9 +31890,9 @@ public function getInvoices($xero_tenant_id, $if_modified_since = null, $where =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Invoices, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getInvoicesWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $invoice_numbers = null, $contact_i_ds = null, $statuses = null, $page = null, $include_archived = null, $created_by_my_app = null, $unitdp = null, $summary_only = false)
+    public function getInvoicesWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$ids = null$invoice_numbers = null$contact_ids = null$statuses = null$page = null$include_archived = null$created_by_my_app = null$unitdp = null$summary_only = false)
     {
-        $request = $this->getInvoicesRequest($xero_tenant_id, $if_modified_since, $where, $order, $i_ds, $invoice_numbers, $contact_i_ds, $statuses, $page, $include_archived, $created_by_my_app, $unitdp, $summary_only);
+        $request = $this->getInvoicesRequest($xero_tenant_id$if_modified_since$where$order$ids$invoice_numbers$contact_ids$statuses$page$include_archived$created_by_my_app$unitdp$summary_only);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -31965,9 +31965,9 @@ public function getInvoicesWithHttpInfo($xero_tenant_id, $if_modified_since = nu
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $i_ds Filter by a comma-separated list of InvoicesIDs. (optional)
+     * @param  string[] $ids Filter by a comma-separated list of InvoicesIDs. (optional)
      * @param  string[] $invoice_numbers Filter by a comma-separated list of InvoiceNumbers. (optional)
-     * @param  string[] $contact_i_ds Filter by a comma-separated list of ContactIDs. (optional)
+     * @param  string[] $contact_ids Filter by a comma-separated list of ContactIDs. (optional)
      * @param  string[] $statuses Filter by a comma-separated list Statuses. For faster response times we recommend using these explicit parameters instead of passing OR conditions into the Where filter. (optional)
      * @param  int $page e.g. page&#x3D;1 – Up to 100 invoices will be returned in a single API call with line items shown for each invoice (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Invoices with a status of ARCHIVED will be included in the response (optional)
@@ -31977,9 +31977,9 @@ public function getInvoicesWithHttpInfo($xero_tenant_id, $if_modified_since = nu
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getInvoicesAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $invoice_numbers = null, $contact_i_ds = null, $statuses = null, $page = null, $include_archived = null, $created_by_my_app = null, $unitdp = null, $summary_only = false)
+    public function getInvoicesAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$ids = null$invoice_numbers = null$contact_ids = null$statuses = null$page = null$include_archived = null$created_by_my_app = null$unitdp = null$summary_only = false)
     {
-        return $this->getInvoicesAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $i_ds, $invoice_numbers, $contact_i_ds, $statuses, $page, $include_archived, $created_by_my_app, $unitdp, $summary_only)
+        return $this->getInvoicesAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$ids$invoice_numbers$contact_ids$statuses$page$include_archived$created_by_my_app$unitdp$summary_only)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -31993,9 +31993,9 @@ function ($response) {
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $i_ds Filter by a comma-separated list of InvoicesIDs. (optional)
+     * @param  string[] $ids Filter by a comma-separated list of InvoicesIDs. (optional)
      * @param  string[] $invoice_numbers Filter by a comma-separated list of InvoiceNumbers. (optional)
-     * @param  string[] $contact_i_ds Filter by a comma-separated list of ContactIDs. (optional)
+     * @param  string[] $contact_ids Filter by a comma-separated list of ContactIDs. (optional)
      * @param  string[] $statuses Filter by a comma-separated list Statuses. For faster response times we recommend using these explicit parameters instead of passing OR conditions into the Where filter. (optional)
      * @param  int $page e.g. page&#x3D;1 – Up to 100 invoices will be returned in a single API call with line items shown for each invoice (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Invoices with a status of ARCHIVED will be included in the response (optional)
@@ -32004,10 +32004,10 @@ function ($response) {
      * @param  bool $summary_only Use summaryOnly&#x3D;true in GET Contacts and Invoices endpoint to retrieve a smaller version of the response object. This returns only lightweight fields, excluding computation-heavy fields from the response, making the API calls quick and efficient. (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getInvoicesAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $invoice_numbers = null, $contact_i_ds = null, $statuses = null, $page = null, $include_archived = null, $created_by_my_app = null, $unitdp = null, $summary_only = false)
+    public function getInvoicesAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$ids = null$invoice_numbers = null$contact_ids = null$statuses = null$page = null$include_archived = null$created_by_my_app = null$unitdp = null$summary_only = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Invoices';
-        $request = $this->getInvoicesRequest($xero_tenant_id, $if_modified_since, $where, $order, $i_ds, $invoice_numbers, $contact_i_ds, $statuses, $page, $include_archived, $created_by_my_app, $unitdp, $summary_only);
+        $request = $this->getInvoicesRequest($xero_tenant_id$if_modified_since$where$order$ids$invoice_numbers$contact_ids$statuses$page$include_archived$created_by_my_app$unitdp$summary_only);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -32047,9 +32047,9 @@ function ($exception) {
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $i_ds Filter by a comma-separated list of InvoicesIDs. (optional)
+     * @param  string[] $ids Filter by a comma-separated list of InvoicesIDs. (optional)
      * @param  string[] $invoice_numbers Filter by a comma-separated list of InvoiceNumbers. (optional)
-     * @param  string[] $contact_i_ds Filter by a comma-separated list of ContactIDs. (optional)
+     * @param  string[] $contact_ids Filter by a comma-separated list of ContactIDs. (optional)
      * @param  string[] $statuses Filter by a comma-separated list Statuses. For faster response times we recommend using these explicit parameters instead of passing OR conditions into the Where filter. (optional)
      * @param  int $page e.g. page&#x3D;1 – Up to 100 invoices will be returned in a single API call with line items shown for each invoice (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Invoices with a status of ARCHIVED will be included in the response (optional)
@@ -32058,7 +32058,7 @@ function ($exception) {
      * @param  bool $summary_only Use summaryOnly&#x3D;true in GET Contacts and Invoices endpoint to retrieve a smaller version of the response object. This returns only lightweight fields, excluding computation-heavy fields from the response, making the API calls quick and efficient. (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getInvoicesRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $invoice_numbers = null, $contact_i_ds = null, $statuses = null, $page = null, $include_archived = null, $created_by_my_app = null, $unitdp = null, $summary_only = false)
+    protected function getInvoicesRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$ids = null$invoice_numbers = null$contact_ids = null$statuses = null$page = null$include_archived = null$created_by_my_app = null$unitdp = null$summary_only = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -32081,11 +32081,11 @@ protected function getInvoicesRequest($xero_tenant_id, $if_modified_since = null
             $queryParams['order'] = AccountingObjectSerializer::toQueryValue($order);
         }
         // query params
-        if (is_array($i_ds)) {
-            $i_ds = AccountingObjectSerializer::serializeCollection($i_ds, 'csv', true);
+        if (is_array($ids)) {
+            $ids = AccountingObjectSerializer::serializeCollection($ids, 'csv', true);
         }
-        if ($i_ds !== null) {
-            $queryParams['IDs'] = AccountingObjectSerializer::toQueryValue($i_ds);
+        if ($ids !== null) {
+            $queryParams['IDs'] = AccountingObjectSerializer::toQueryValue($ids);
         }
         // query params
         if (is_array($invoice_numbers)) {
@@ -32095,11 +32095,11 @@ protected function getInvoicesRequest($xero_tenant_id, $if_modified_since = null
             $queryParams['InvoiceNumbers'] = AccountingObjectSerializer::toQueryValue($invoice_numbers);
         }
         // query params
-        if (is_array($contact_i_ds)) {
-            $contact_i_ds = AccountingObjectSerializer::serializeCollection($contact_i_ds, 'csv', true);
+        if (is_array($contact_ids)) {
+            $contact_ids = AccountingObjectSerializer::serializeCollection($contact_ids, 'csv', true);
         }
-        if ($contact_i_ds !== null) {
-            $queryParams['ContactIDs'] = AccountingObjectSerializer::toQueryValue($contact_i_ds);
+        if ($contact_ids !== null) {
+            $queryParams['ContactIDs'] = AccountingObjectSerializer::toQueryValue($contact_ids);
         }
         // query params
         if (is_array($statuses)) {
@@ -32206,9 +32206,9 @@ protected function getInvoicesRequest($xero_tenant_id, $if_modified_since = null
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Items
      */
-    public function getItem($xero_tenant_id, $item_id, $unitdp = null)
+    public function getItem($xero_tenant_id$item_id$unitdp = null)
     {
-        list($response) = $this->getItemWithHttpInfo($xero_tenant_id, $item_id, $unitdp);
+        list($response) = $this->getItemWithHttpInfo($xero_tenant_id$item_id$unitdp);
         return $response;
     }
     /**
@@ -32221,9 +32221,9 @@ public function getItem($xero_tenant_id, $item_id, $unitdp = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Items, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getItemWithHttpInfo($xero_tenant_id, $item_id, $unitdp = null)
+    public function getItemWithHttpInfo($xero_tenant_id$item_id$unitdp = null)
     {
-        $request = $this->getItemRequest($xero_tenant_id, $item_id, $unitdp);
+        $request = $this->getItemRequest($xero_tenant_id$item_id$unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -32298,9 +32298,9 @@ public function getItemWithHttpInfo($xero_tenant_id, $item_id, $unitdp = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getItemAsync($xero_tenant_id, $item_id, $unitdp = null)
+    public function getItemAsync($xero_tenant_id$item_id$unitdp = null)
     {
-        return $this->getItemAsyncWithHttpInfo($xero_tenant_id, $item_id, $unitdp)
+        return $this->getItemAsyncWithHttpInfo($xero_tenant_id$item_id$unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -32315,10 +32315,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getItemAsyncWithHttpInfo($xero_tenant_id, $item_id, $unitdp = null)
+    public function getItemAsyncWithHttpInfo($xero_tenant_id$item_id$unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Items';
-        $request = $this->getItemRequest($xero_tenant_id, $item_id, $unitdp);
+        $request = $this->getItemRequest($xero_tenant_id$item_id$unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -32359,7 +32359,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getItemRequest($xero_tenant_id, $item_id, $unitdp = null)
+    protected function getItemRequest($xero_tenant_id$item_id$unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -32464,9 +32464,9 @@ protected function getItemRequest($xero_tenant_id, $item_id, $unitdp = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getItemHistory($xero_tenant_id, $item_id)
+    public function getItemHistory($xero_tenant_id$item_id)
     {
-        list($response) = $this->getItemHistoryWithHttpInfo($xero_tenant_id, $item_id);
+        list($response) = $this->getItemHistoryWithHttpInfo($xero_tenant_id$item_id);
         return $response;
     }
     /**
@@ -32478,9 +32478,9 @@ public function getItemHistory($xero_tenant_id, $item_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getItemHistoryWithHttpInfo($xero_tenant_id, $item_id)
+    public function getItemHistoryWithHttpInfo($xero_tenant_id$item_id)
     {
-        $request = $this->getItemHistoryRequest($xero_tenant_id, $item_id);
+        $request = $this->getItemHistoryRequest($xero_tenant_id$item_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -32554,9 +32554,9 @@ public function getItemHistoryWithHttpInfo($xero_tenant_id, $item_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getItemHistoryAsync($xero_tenant_id, $item_id)
+    public function getItemHistoryAsync($xero_tenant_id$item_id)
     {
-        return $this->getItemHistoryAsyncWithHttpInfo($xero_tenant_id, $item_id)
+        return $this->getItemHistoryAsyncWithHttpInfo($xero_tenant_id$item_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -32570,10 +32570,10 @@ function ($response) {
      * @param  string $item_id Unique identifier for an Item (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getItemHistoryAsyncWithHttpInfo($xero_tenant_id, $item_id)
+    public function getItemHistoryAsyncWithHttpInfo($xero_tenant_id$item_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getItemHistoryRequest($xero_tenant_id, $item_id);
+        $request = $this->getItemHistoryRequest($xero_tenant_id$item_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -32613,7 +32613,7 @@ function ($exception) {
      * @param  string $item_id Unique identifier for an Item (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getItemHistoryRequest($xero_tenant_id, $item_id)
+    protected function getItemHistoryRequest($xero_tenant_id$item_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -32717,9 +32717,9 @@ protected function getItemHistoryRequest($xero_tenant_id, $item_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Items
      */
-    public function getItems($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $unitdp = null)
+    public function getItems($xero_tenant_id$if_modified_since = null$where = null$order = null$unitdp = null)
     {
-        list($response) = $this->getItemsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $unitdp);
+        list($response) = $this->getItemsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$unitdp);
         return $response;
     }
     /**
@@ -32734,9 +32734,9 @@ public function getItems($xero_tenant_id, $if_modified_since = null, $where = nu
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Items, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getItemsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $unitdp = null)
+    public function getItemsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$unitdp = null)
     {
-        $request = $this->getItemsRequest($xero_tenant_id, $if_modified_since, $where, $order, $unitdp);
+        $request = $this->getItemsRequest($xero_tenant_id$if_modified_since$where$order$unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -32813,9 +32813,9 @@ public function getItemsWithHttpInfo($xero_tenant_id, $if_modified_since = null,
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getItemsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $unitdp = null)
+    public function getItemsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$unitdp = null)
     {
-        return $this->getItemsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $unitdp)
+        return $this->getItemsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -32832,10 +32832,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getItemsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $unitdp = null)
+    public function getItemsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Items';
-        $request = $this->getItemsRequest($xero_tenant_id, $if_modified_since, $where, $order, $unitdp);
+        $request = $this->getItemsRequest($xero_tenant_id$if_modified_since$where$order$unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -32878,7 +32878,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getItemsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $unitdp = null)
+    protected function getItemsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -32981,9 +32981,9 @@ protected function getItemsRequest($xero_tenant_id, $if_modified_since = null, $
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Journals
      */
-    public function getJournal($xero_tenant_id, $journal_id)
+    public function getJournal($xero_tenant_id$journal_id)
     {
-        list($response) = $this->getJournalWithHttpInfo($xero_tenant_id, $journal_id);
+        list($response) = $this->getJournalWithHttpInfo($xero_tenant_id$journal_id);
         return $response;
     }
     /**
@@ -32995,9 +32995,9 @@ public function getJournal($xero_tenant_id, $journal_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Journals, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getJournalWithHttpInfo($xero_tenant_id, $journal_id)
+    public function getJournalWithHttpInfo($xero_tenant_id$journal_id)
     {
-        $request = $this->getJournalRequest($xero_tenant_id, $journal_id);
+        $request = $this->getJournalRequest($xero_tenant_id$journal_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -33071,9 +33071,9 @@ public function getJournalWithHttpInfo($xero_tenant_id, $journal_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getJournalAsync($xero_tenant_id, $journal_id)
+    public function getJournalAsync($xero_tenant_id$journal_id)
     {
-        return $this->getJournalAsyncWithHttpInfo($xero_tenant_id, $journal_id)
+        return $this->getJournalAsyncWithHttpInfo($xero_tenant_id$journal_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -33087,10 +33087,10 @@ function ($response) {
      * @param  string $journal_id Unique identifier for a Journal (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getJournalAsyncWithHttpInfo($xero_tenant_id, $journal_id)
+    public function getJournalAsyncWithHttpInfo($xero_tenant_id$journal_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Journals';
-        $request = $this->getJournalRequest($xero_tenant_id, $journal_id);
+        $request = $this->getJournalRequest($xero_tenant_id$journal_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -33130,7 +33130,7 @@ function ($exception) {
      * @param  string $journal_id Unique identifier for a Journal (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getJournalRequest($xero_tenant_id, $journal_id)
+    protected function getJournalRequest($xero_tenant_id$journal_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -33233,9 +33233,9 @@ protected function getJournalRequest($xero_tenant_id, $journal_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Journals
      */
-    public function getJournals($xero_tenant_id, $if_modified_since = null, $offset = null, $payments_only = null)
+    public function getJournals($xero_tenant_id$if_modified_since = null$offset = null$payments_only = null)
     {
-        list($response) = $this->getJournalsWithHttpInfo($xero_tenant_id, $if_modified_since, $offset, $payments_only);
+        list($response) = $this->getJournalsWithHttpInfo($xero_tenant_id$if_modified_since$offset$payments_only);
         return $response;
     }
     /**
@@ -33249,9 +33249,9 @@ public function getJournals($xero_tenant_id, $if_modified_since = null, $offset
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Journals, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getJournalsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $offset = null, $payments_only = null)
+    public function getJournalsWithHttpInfo($xero_tenant_id$if_modified_since = null$offset = null$payments_only = null)
     {
-        $request = $this->getJournalsRequest($xero_tenant_id, $if_modified_since, $offset, $payments_only);
+        $request = $this->getJournalsRequest($xero_tenant_id$if_modified_since$offset$payments_only);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -33327,9 +33327,9 @@ public function getJournalsWithHttpInfo($xero_tenant_id, $if_modified_since = nu
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getJournalsAsync($xero_tenant_id, $if_modified_since = null, $offset = null, $payments_only = null)
+    public function getJournalsAsync($xero_tenant_id$if_modified_since = null$offset = null$payments_only = null)
     {
-        return $this->getJournalsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $offset, $payments_only)
+        return $this->getJournalsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$offset$payments_only)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -33345,10 +33345,10 @@ function ($response) {
      * @param  bool $payments_only Filter to retrieve journals on a cash basis. Journals are returned on an accrual basis by default. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getJournalsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $offset = null, $payments_only = null)
+    public function getJournalsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$offset = null$payments_only = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Journals';
-        $request = $this->getJournalsRequest($xero_tenant_id, $if_modified_since, $offset, $payments_only);
+        $request = $this->getJournalsRequest($xero_tenant_id$if_modified_since$offset$payments_only);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -33390,7 +33390,7 @@ function ($exception) {
      * @param  bool $payments_only Filter to retrieve journals on a cash basis. Journals are returned on an accrual basis by default. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getJournalsRequest($xero_tenant_id, $if_modified_since = null, $offset = null, $payments_only = null)
+    protected function getJournalsRequest($xero_tenant_id$if_modified_since = null$offset = null$payments_only = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -33489,9 +33489,9 @@ protected function getJournalsRequest($xero_tenant_id, $if_modified_since = null
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions
      */
-    public function getLinkedTransaction($xero_tenant_id, $linked_transaction_id)
+    public function getLinkedTransaction($xero_tenant_id$linked_transaction_id)
     {
-        list($response) = $this->getLinkedTransactionWithHttpInfo($xero_tenant_id, $linked_transaction_id);
+        list($response) = $this->getLinkedTransactionWithHttpInfo($xero_tenant_id$linked_transaction_id);
         return $response;
     }
     /**
@@ -33503,9 +33503,9 @@ public function getLinkedTransaction($xero_tenant_id, $linked_transaction_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getLinkedTransactionWithHttpInfo($xero_tenant_id, $linked_transaction_id)
+    public function getLinkedTransactionWithHttpInfo($xero_tenant_id$linked_transaction_id)
     {
-        $request = $this->getLinkedTransactionRequest($xero_tenant_id, $linked_transaction_id);
+        $request = $this->getLinkedTransactionRequest($xero_tenant_id$linked_transaction_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -33579,9 +33579,9 @@ public function getLinkedTransactionWithHttpInfo($xero_tenant_id, $linked_transa
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getLinkedTransactionAsync($xero_tenant_id, $linked_transaction_id)
+    public function getLinkedTransactionAsync($xero_tenant_id$linked_transaction_id)
     {
-        return $this->getLinkedTransactionAsyncWithHttpInfo($xero_tenant_id, $linked_transaction_id)
+        return $this->getLinkedTransactionAsyncWithHttpInfo($xero_tenant_id$linked_transaction_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -33595,10 +33595,10 @@ function ($response) {
      * @param  string $linked_transaction_id Unique identifier for a LinkedTransaction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getLinkedTransactionAsyncWithHttpInfo($xero_tenant_id, $linked_transaction_id)
+    public function getLinkedTransactionAsyncWithHttpInfo($xero_tenant_id$linked_transaction_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions';
-        $request = $this->getLinkedTransactionRequest($xero_tenant_id, $linked_transaction_id);
+        $request = $this->getLinkedTransactionRequest($xero_tenant_id$linked_transaction_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -33638,7 +33638,7 @@ function ($exception) {
      * @param  string $linked_transaction_id Unique identifier for a LinkedTransaction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getLinkedTransactionRequest($xero_tenant_id, $linked_transaction_id)
+    protected function getLinkedTransactionRequest($xero_tenant_id$linked_transaction_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -33744,9 +33744,9 @@ protected function getLinkedTransactionRequest($xero_tenant_id, $linked_transact
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions
      */
-    public function getLinkedTransactions($xero_tenant_id, $page = null, $linked_transaction_id = null, $source_transaction_id = null, $contact_id = null, $status = null, $target_transaction_id = null)
+    public function getLinkedTransactions($xero_tenant_id$page = null$linked_transaction_id = null$source_transaction_id = null$contact_id = null$status = null$target_transaction_id = null)
     {
-        list($response) = $this->getLinkedTransactionsWithHttpInfo($xero_tenant_id, $page, $linked_transaction_id, $source_transaction_id, $contact_id, $status, $target_transaction_id);
+        list($response) = $this->getLinkedTransactionsWithHttpInfo($xero_tenant_id$page$linked_transaction_id$source_transaction_id$contact_id$status$target_transaction_id);
         return $response;
     }
     /**
@@ -33763,9 +33763,9 @@ public function getLinkedTransactions($xero_tenant_id, $page = null, $linked_tra
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getLinkedTransactionsWithHttpInfo($xero_tenant_id, $page = null, $linked_transaction_id = null, $source_transaction_id = null, $contact_id = null, $status = null, $target_transaction_id = null)
+    public function getLinkedTransactionsWithHttpInfo($xero_tenant_id$page = null$linked_transaction_id = null$source_transaction_id = null$contact_id = null$status = null$target_transaction_id = null)
     {
-        $request = $this->getLinkedTransactionsRequest($xero_tenant_id, $page, $linked_transaction_id, $source_transaction_id, $contact_id, $status, $target_transaction_id);
+        $request = $this->getLinkedTransactionsRequest($xero_tenant_id$page$linked_transaction_id$source_transaction_id$contact_id$status$target_transaction_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -33844,9 +33844,9 @@ public function getLinkedTransactionsWithHttpInfo($xero_tenant_id, $page = null,
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getLinkedTransactionsAsync($xero_tenant_id, $page = null, $linked_transaction_id = null, $source_transaction_id = null, $contact_id = null, $status = null, $target_transaction_id = null)
+    public function getLinkedTransactionsAsync($xero_tenant_id$page = null$linked_transaction_id = null$source_transaction_id = null$contact_id = null$status = null$target_transaction_id = null)
     {
-        return $this->getLinkedTransactionsAsyncWithHttpInfo($xero_tenant_id, $page, $linked_transaction_id, $source_transaction_id, $contact_id, $status, $target_transaction_id)
+        return $this->getLinkedTransactionsAsyncWithHttpInfo($xero_tenant_id$page$linked_transaction_id$source_transaction_id$contact_id$status$target_transaction_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -33865,10 +33865,10 @@ function ($response) {
      * @param  string $target_transaction_id Filter by the TargetTransactionID. Get all the linked transactions allocated to a particular ACCREC invoice (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getLinkedTransactionsAsyncWithHttpInfo($xero_tenant_id, $page = null, $linked_transaction_id = null, $source_transaction_id = null, $contact_id = null, $status = null, $target_transaction_id = null)
+    public function getLinkedTransactionsAsyncWithHttpInfo($xero_tenant_id$page = null$linked_transaction_id = null$source_transaction_id = null$contact_id = null$status = null$target_transaction_id = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions';
-        $request = $this->getLinkedTransactionsRequest($xero_tenant_id, $page, $linked_transaction_id, $source_transaction_id, $contact_id, $status, $target_transaction_id);
+        $request = $this->getLinkedTransactionsRequest($xero_tenant_id$page$linked_transaction_id$source_transaction_id$contact_id$status$target_transaction_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -33913,7 +33913,7 @@ function ($exception) {
      * @param  string $target_transaction_id Filter by the TargetTransactionID. Get all the linked transactions allocated to a particular ACCREC invoice (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getLinkedTransactionsRequest($xero_tenant_id, $page = null, $linked_transaction_id = null, $source_transaction_id = null, $contact_id = null, $status = null, $target_transaction_id = null)
+    protected function getLinkedTransactionsRequest($xero_tenant_id$page = null$linked_transaction_id = null$source_transaction_id = null$contact_id = null$status = null$target_transaction_id = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -34024,9 +34024,9 @@ protected function getLinkedTransactionsRequest($xero_tenant_id, $page = null, $
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ManualJournals
      */
-    public function getManualJournal($xero_tenant_id, $manual_journal_id)
+    public function getManualJournal($xero_tenant_id$manual_journal_id)
     {
-        list($response) = $this->getManualJournalWithHttpInfo($xero_tenant_id, $manual_journal_id);
+        list($response) = $this->getManualJournalWithHttpInfo($xero_tenant_id$manual_journal_id);
         return $response;
     }
     /**
@@ -34038,9 +34038,9 @@ public function getManualJournal($xero_tenant_id, $manual_journal_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ManualJournals, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getManualJournalWithHttpInfo($xero_tenant_id, $manual_journal_id)
+    public function getManualJournalWithHttpInfo($xero_tenant_id$manual_journal_id)
     {
-        $request = $this->getManualJournalRequest($xero_tenant_id, $manual_journal_id);
+        $request = $this->getManualJournalRequest($xero_tenant_id$manual_journal_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -34114,9 +34114,9 @@ public function getManualJournalWithHttpInfo($xero_tenant_id, $manual_journal_id
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getManualJournalAsync($xero_tenant_id, $manual_journal_id)
+    public function getManualJournalAsync($xero_tenant_id$manual_journal_id)
     {
-        return $this->getManualJournalAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id)
+        return $this->getManualJournalAsyncWithHttpInfo($xero_tenant_id$manual_journal_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -34130,10 +34130,10 @@ function ($response) {
      * @param  string $manual_journal_id Unique identifier for a ManualJournal (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getManualJournalAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id)
+    public function getManualJournalAsyncWithHttpInfo($xero_tenant_id$manual_journal_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ManualJournals';
-        $request = $this->getManualJournalRequest($xero_tenant_id, $manual_journal_id);
+        $request = $this->getManualJournalRequest($xero_tenant_id$manual_journal_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -34173,7 +34173,7 @@ function ($exception) {
      * @param  string $manual_journal_id Unique identifier for a ManualJournal (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getManualJournalRequest($xero_tenant_id, $manual_journal_id)
+    protected function getManualJournalRequest($xero_tenant_id$manual_journal_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -34276,9 +34276,9 @@ protected function getManualJournalRequest($xero_tenant_id, $manual_journal_id)
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getManualJournalAttachmentByFileName($xero_tenant_id, $manual_journal_id, $file_name, $content_type)
+    public function getManualJournalAttachmentByFileName($xero_tenant_id$manual_journal_id$file_name$content_type)
     {
-        list($response) = $this->getManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant_id, $manual_journal_id, $file_name, $content_type);
+        list($response) = $this->getManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant_id$manual_journal_id$file_name$content_type);
         return $response;
     }
     /**
@@ -34292,9 +34292,9 @@ public function getManualJournalAttachmentByFileName($xero_tenant_id, $manual_jo
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant_id, $manual_journal_id, $file_name, $content_type)
+    public function getManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant_id$manual_journal_id$file_name$content_type)
     {
-        $request = $this->getManualJournalAttachmentByFileNameRequest($xero_tenant_id, $manual_journal_id, $file_name, $content_type);
+        $request = $this->getManualJournalAttachmentByFileNameRequest($xero_tenant_id$manual_journal_id$file_name$content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -34370,9 +34370,9 @@ public function getManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant_id
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getManualJournalAttachmentByFileNameAsync($xero_tenant_id, $manual_journal_id, $file_name, $content_type)
+    public function getManualJournalAttachmentByFileNameAsync($xero_tenant_id$manual_journal_id$file_name$content_type)
     {
-        return $this->getManualJournalAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id, $file_name, $content_type)
+        return $this->getManualJournalAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$manual_journal_id$file_name$content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -34388,10 +34388,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getManualJournalAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id, $file_name, $content_type)
+    public function getManualJournalAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$manual_journal_id$file_name$content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getManualJournalAttachmentByFileNameRequest($xero_tenant_id, $manual_journal_id, $file_name, $content_type);
+        $request = $this->getManualJournalAttachmentByFileNameRequest($xero_tenant_id$manual_journal_id$file_name$content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -34433,7 +34433,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getManualJournalAttachmentByFileNameRequest($xero_tenant_id, $manual_journal_id, $file_name, $content_type)
+    protected function getManualJournalAttachmentByFileNameRequest($xero_tenant_id$manual_journal_id$file_name$content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -34560,9 +34560,9 @@ protected function getManualJournalAttachmentByFileNameRequest($xero_tenant_id,
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getManualJournalAttachmentById($xero_tenant_id, $manual_journal_id, $attachment_id, $content_type)
+    public function getManualJournalAttachmentById($xero_tenant_id$manual_journal_id$attachment_id$content_type)
     {
-        list($response) = $this->getManualJournalAttachmentByIdWithHttpInfo($xero_tenant_id, $manual_journal_id, $attachment_id, $content_type);
+        list($response) = $this->getManualJournalAttachmentByIdWithHttpInfo($xero_tenant_id$manual_journal_id$attachment_id$content_type);
         return $response;
     }
     /**
@@ -34576,9 +34576,9 @@ public function getManualJournalAttachmentById($xero_tenant_id, $manual_journal_
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getManualJournalAttachmentByIdWithHttpInfo($xero_tenant_id, $manual_journal_id, $attachment_id, $content_type)
+    public function getManualJournalAttachmentByIdWithHttpInfo($xero_tenant_id$manual_journal_id$attachment_id$content_type)
     {
-        $request = $this->getManualJournalAttachmentByIdRequest($xero_tenant_id, $manual_journal_id, $attachment_id, $content_type);
+        $request = $this->getManualJournalAttachmentByIdRequest($xero_tenant_id$manual_journal_id$attachment_id$content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -34654,9 +34654,9 @@ public function getManualJournalAttachmentByIdWithHttpInfo($xero_tenant_id, $man
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getManualJournalAttachmentByIdAsync($xero_tenant_id, $manual_journal_id, $attachment_id, $content_type)
+    public function getManualJournalAttachmentByIdAsync($xero_tenant_id$manual_journal_id$attachment_id$content_type)
     {
-        return $this->getManualJournalAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id, $attachment_id, $content_type)
+        return $this->getManualJournalAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$manual_journal_id$attachment_id$content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -34672,10 +34672,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getManualJournalAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id, $attachment_id, $content_type)
+    public function getManualJournalAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$manual_journal_id$attachment_id$content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getManualJournalAttachmentByIdRequest($xero_tenant_id, $manual_journal_id, $attachment_id, $content_type);
+        $request = $this->getManualJournalAttachmentByIdRequest($xero_tenant_id$manual_journal_id$attachment_id$content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -34717,7 +34717,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getManualJournalAttachmentByIdRequest($xero_tenant_id, $manual_journal_id, $attachment_id, $content_type)
+    protected function getManualJournalAttachmentByIdRequest($xero_tenant_id$manual_journal_id$attachment_id$content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -34842,9 +34842,9 @@ protected function getManualJournalAttachmentByIdRequest($xero_tenant_id, $manua
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments
      */
-    public function getManualJournalAttachments($xero_tenant_id, $manual_journal_id)
+    public function getManualJournalAttachments($xero_tenant_id$manual_journal_id)
     {
-        list($response) = $this->getManualJournalAttachmentsWithHttpInfo($xero_tenant_id, $manual_journal_id);
+        list($response) = $this->getManualJournalAttachmentsWithHttpInfo($xero_tenant_id$manual_journal_id);
         return $response;
     }
     /**
@@ -34856,9 +34856,9 @@ public function getManualJournalAttachments($xero_tenant_id, $manual_journal_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getManualJournalAttachmentsWithHttpInfo($xero_tenant_id, $manual_journal_id)
+    public function getManualJournalAttachmentsWithHttpInfo($xero_tenant_id$manual_journal_id)
     {
-        $request = $this->getManualJournalAttachmentsRequest($xero_tenant_id, $manual_journal_id);
+        $request = $this->getManualJournalAttachmentsRequest($xero_tenant_id$manual_journal_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -34932,9 +34932,9 @@ public function getManualJournalAttachmentsWithHttpInfo($xero_tenant_id, $manual
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getManualJournalAttachmentsAsync($xero_tenant_id, $manual_journal_id)
+    public function getManualJournalAttachmentsAsync($xero_tenant_id$manual_journal_id)
     {
-        return $this->getManualJournalAttachmentsAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id)
+        return $this->getManualJournalAttachmentsAsyncWithHttpInfo($xero_tenant_id$manual_journal_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -34948,10 +34948,10 @@ function ($response) {
      * @param  string $manual_journal_id Unique identifier for a ManualJournal (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getManualJournalAttachmentsAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id)
+    public function getManualJournalAttachmentsAsyncWithHttpInfo($xero_tenant_id$manual_journal_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->getManualJournalAttachmentsRequest($xero_tenant_id, $manual_journal_id);
+        $request = $this->getManualJournalAttachmentsRequest($xero_tenant_id$manual_journal_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -34991,7 +34991,7 @@ function ($exception) {
      * @param  string $manual_journal_id Unique identifier for a ManualJournal (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getManualJournalAttachmentsRequest($xero_tenant_id, $manual_journal_id)
+    protected function getManualJournalAttachmentsRequest($xero_tenant_id$manual_journal_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -35095,9 +35095,9 @@ protected function getManualJournalAttachmentsRequest($xero_tenant_id, $manual_j
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ManualJournals
      */
-    public function getManualJournals($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getManualJournals($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
-        list($response) = $this->getManualJournalsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page);
+        list($response) = $this->getManualJournalsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page);
         return $response;
     }
     /**
@@ -35112,9 +35112,9 @@ public function getManualJournals($xero_tenant_id, $if_modified_since = null, $w
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ManualJournals, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getManualJournalsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getManualJournalsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
-        $request = $this->getManualJournalsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
+        $request = $this->getManualJournalsRequest($xero_tenant_id$if_modified_since$where$order$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -35191,9 +35191,9 @@ public function getManualJournalsWithHttpInfo($xero_tenant_id, $if_modified_sinc
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getManualJournalsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getManualJournalsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
-        return $this->getManualJournalsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page)
+        return $this->getManualJournalsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -35210,10 +35210,10 @@ function ($response) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 manual journals will be returned in a single API call with line items shown for each overpayment (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getManualJournalsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getManualJournalsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ManualJournals';
-        $request = $this->getManualJournalsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
+        $request = $this->getManualJournalsRequest($xero_tenant_id$if_modified_since$where$order$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -35256,7 +35256,7 @@ function ($exception) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 manual journals will be returned in a single API call with line items shown for each overpayment (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getManualJournalsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    protected function getManualJournalsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -35359,9 +35359,9 @@ protected function getManualJournalsRequest($xero_tenant_id, $if_modified_since
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getManualJournalsHistory($xero_tenant_id, $manual_journal_id)
+    public function getManualJournalsHistory($xero_tenant_id$manual_journal_id)
     {
-        list($response) = $this->getManualJournalsHistoryWithHttpInfo($xero_tenant_id, $manual_journal_id);
+        list($response) = $this->getManualJournalsHistoryWithHttpInfo($xero_tenant_id$manual_journal_id);
         return $response;
     }
     /**
@@ -35373,9 +35373,9 @@ public function getManualJournalsHistory($xero_tenant_id, $manual_journal_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getManualJournalsHistoryWithHttpInfo($xero_tenant_id, $manual_journal_id)
+    public function getManualJournalsHistoryWithHttpInfo($xero_tenant_id$manual_journal_id)
     {
-        $request = $this->getManualJournalsHistoryRequest($xero_tenant_id, $manual_journal_id);
+        $request = $this->getManualJournalsHistoryRequest($xero_tenant_id$manual_journal_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -35449,9 +35449,9 @@ public function getManualJournalsHistoryWithHttpInfo($xero_tenant_id, $manual_jo
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getManualJournalsHistoryAsync($xero_tenant_id, $manual_journal_id)
+    public function getManualJournalsHistoryAsync($xero_tenant_id$manual_journal_id)
     {
-        return $this->getManualJournalsHistoryAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id)
+        return $this->getManualJournalsHistoryAsyncWithHttpInfo($xero_tenant_id$manual_journal_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -35465,10 +35465,10 @@ function ($response) {
      * @param  string $manual_journal_id Unique identifier for a ManualJournal (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getManualJournalsHistoryAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id)
+    public function getManualJournalsHistoryAsyncWithHttpInfo($xero_tenant_id$manual_journal_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getManualJournalsHistoryRequest($xero_tenant_id, $manual_journal_id);
+        $request = $this->getManualJournalsHistoryRequest($xero_tenant_id$manual_journal_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -35508,7 +35508,7 @@ function ($exception) {
      * @param  string $manual_journal_id Unique identifier for a ManualJournal (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getManualJournalsHistoryRequest($xero_tenant_id, $manual_journal_id)
+    protected function getManualJournalsHistoryRequest($xero_tenant_id$manual_journal_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -35609,9 +35609,9 @@ protected function getManualJournalsHistoryRequest($xero_tenant_id, $manual_jour
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\OnlineInvoices
      */
-    public function getOnlineInvoice($xero_tenant_id, $invoice_id)
+    public function getOnlineInvoice($xero_tenant_id$invoice_id)
     {
-        list($response) = $this->getOnlineInvoiceWithHttpInfo($xero_tenant_id, $invoice_id);
+        list($response) = $this->getOnlineInvoiceWithHttpInfo($xero_tenant_id$invoice_id);
         return $response;
     }
     /**
@@ -35623,9 +35623,9 @@ public function getOnlineInvoice($xero_tenant_id, $invoice_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\OnlineInvoices, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getOnlineInvoiceWithHttpInfo($xero_tenant_id, $invoice_id)
+    public function getOnlineInvoiceWithHttpInfo($xero_tenant_id$invoice_id)
     {
-        $request = $this->getOnlineInvoiceRequest($xero_tenant_id, $invoice_id);
+        $request = $this->getOnlineInvoiceRequest($xero_tenant_id$invoice_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -35699,9 +35699,9 @@ public function getOnlineInvoiceWithHttpInfo($xero_tenant_id, $invoice_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getOnlineInvoiceAsync($xero_tenant_id, $invoice_id)
+    public function getOnlineInvoiceAsync($xero_tenant_id$invoice_id)
     {
-        return $this->getOnlineInvoiceAsyncWithHttpInfo($xero_tenant_id, $invoice_id)
+        return $this->getOnlineInvoiceAsyncWithHttpInfo($xero_tenant_id$invoice_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -35715,10 +35715,10 @@ function ($response) {
      * @param  string $invoice_id Unique identifier for an Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getOnlineInvoiceAsyncWithHttpInfo($xero_tenant_id, $invoice_id)
+    public function getOnlineInvoiceAsyncWithHttpInfo($xero_tenant_id$invoice_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\OnlineInvoices';
-        $request = $this->getOnlineInvoiceRequest($xero_tenant_id, $invoice_id);
+        $request = $this->getOnlineInvoiceRequest($xero_tenant_id$invoice_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -35758,7 +35758,7 @@ function ($exception) {
      * @param  string $invoice_id Unique identifier for an Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getOnlineInvoiceRequest($xero_tenant_id, $invoice_id)
+    protected function getOnlineInvoiceRequest($xero_tenant_id$invoice_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -36090,9 +36090,9 @@ protected function getOrganisationActionsRequest($xero_tenant_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\CISOrgSettings
      */
-    public function getOrganisationCISSettings($xero_tenant_id, $organisation_id)
+    public function getOrganisationCISSettings($xero_tenant_id$organisation_id)
     {
-        list($response) = $this->getOrganisationCISSettingsWithHttpInfo($xero_tenant_id, $organisation_id);
+        list($response) = $this->getOrganisationCISSettingsWithHttpInfo($xero_tenant_id$organisation_id);
         return $response;
     }
     /**
@@ -36104,9 +36104,9 @@ public function getOrganisationCISSettings($xero_tenant_id, $organisation_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\CISOrgSettings, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getOrganisationCISSettingsWithHttpInfo($xero_tenant_id, $organisation_id)
+    public function getOrganisationCISSettingsWithHttpInfo($xero_tenant_id$organisation_id)
     {
-        $request = $this->getOrganisationCISSettingsRequest($xero_tenant_id, $organisation_id);
+        $request = $this->getOrganisationCISSettingsRequest($xero_tenant_id$organisation_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -36180,9 +36180,9 @@ public function getOrganisationCISSettingsWithHttpInfo($xero_tenant_id, $organis
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getOrganisationCISSettingsAsync($xero_tenant_id, $organisation_id)
+    public function getOrganisationCISSettingsAsync($xero_tenant_id$organisation_id)
     {
-        return $this->getOrganisationCISSettingsAsyncWithHttpInfo($xero_tenant_id, $organisation_id)
+        return $this->getOrganisationCISSettingsAsyncWithHttpInfo($xero_tenant_id$organisation_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -36196,10 +36196,10 @@ function ($response) {
      * @param  string $organisation_id The unique Xero identifier for an organisation (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getOrganisationCISSettingsAsyncWithHttpInfo($xero_tenant_id, $organisation_id)
+    public function getOrganisationCISSettingsAsyncWithHttpInfo($xero_tenant_id$organisation_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\CISOrgSettings';
-        $request = $this->getOrganisationCISSettingsRequest($xero_tenant_id, $organisation_id);
+        $request = $this->getOrganisationCISSettingsRequest($xero_tenant_id$organisation_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -36239,7 +36239,7 @@ function ($exception) {
      * @param  string $organisation_id The unique Xero identifier for an organisation (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getOrganisationCISSettingsRequest($xero_tenant_id, $organisation_id)
+    protected function getOrganisationCISSettingsRequest($xero_tenant_id$organisation_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -36571,9 +36571,9 @@ protected function getOrganisationsRequest($xero_tenant_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Overpayments
      */
-    public function getOverpayment($xero_tenant_id, $overpayment_id)
+    public function getOverpayment($xero_tenant_id$overpayment_id)
     {
-        list($response) = $this->getOverpaymentWithHttpInfo($xero_tenant_id, $overpayment_id);
+        list($response) = $this->getOverpaymentWithHttpInfo($xero_tenant_id$overpayment_id);
         return $response;
     }
     /**
@@ -36585,9 +36585,9 @@ public function getOverpayment($xero_tenant_id, $overpayment_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Overpayments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getOverpaymentWithHttpInfo($xero_tenant_id, $overpayment_id)
+    public function getOverpaymentWithHttpInfo($xero_tenant_id$overpayment_id)
     {
-        $request = $this->getOverpaymentRequest($xero_tenant_id, $overpayment_id);
+        $request = $this->getOverpaymentRequest($xero_tenant_id$overpayment_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -36661,9 +36661,9 @@ public function getOverpaymentWithHttpInfo($xero_tenant_id, $overpayment_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getOverpaymentAsync($xero_tenant_id, $overpayment_id)
+    public function getOverpaymentAsync($xero_tenant_id$overpayment_id)
     {
-        return $this->getOverpaymentAsyncWithHttpInfo($xero_tenant_id, $overpayment_id)
+        return $this->getOverpaymentAsyncWithHttpInfo($xero_tenant_id$overpayment_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -36677,10 +36677,10 @@ function ($response) {
      * @param  string $overpayment_id Unique identifier for a Overpayment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getOverpaymentAsyncWithHttpInfo($xero_tenant_id, $overpayment_id)
+    public function getOverpaymentAsyncWithHttpInfo($xero_tenant_id$overpayment_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Overpayments';
-        $request = $this->getOverpaymentRequest($xero_tenant_id, $overpayment_id);
+        $request = $this->getOverpaymentRequest($xero_tenant_id$overpayment_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -36720,7 +36720,7 @@ function ($exception) {
      * @param  string $overpayment_id Unique identifier for a Overpayment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getOverpaymentRequest($xero_tenant_id, $overpayment_id)
+    protected function getOverpaymentRequest($xero_tenant_id$overpayment_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -36821,9 +36821,9 @@ protected function getOverpaymentRequest($xero_tenant_id, $overpayment_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getOverpaymentHistory($xero_tenant_id, $overpayment_id)
+    public function getOverpaymentHistory($xero_tenant_id$overpayment_id)
     {
-        list($response) = $this->getOverpaymentHistoryWithHttpInfo($xero_tenant_id, $overpayment_id);
+        list($response) = $this->getOverpaymentHistoryWithHttpInfo($xero_tenant_id$overpayment_id);
         return $response;
     }
     /**
@@ -36835,9 +36835,9 @@ public function getOverpaymentHistory($xero_tenant_id, $overpayment_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getOverpaymentHistoryWithHttpInfo($xero_tenant_id, $overpayment_id)
+    public function getOverpaymentHistoryWithHttpInfo($xero_tenant_id$overpayment_id)
     {
-        $request = $this->getOverpaymentHistoryRequest($xero_tenant_id, $overpayment_id);
+        $request = $this->getOverpaymentHistoryRequest($xero_tenant_id$overpayment_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -36911,9 +36911,9 @@ public function getOverpaymentHistoryWithHttpInfo($xero_tenant_id, $overpayment_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getOverpaymentHistoryAsync($xero_tenant_id, $overpayment_id)
+    public function getOverpaymentHistoryAsync($xero_tenant_id$overpayment_id)
     {
-        return $this->getOverpaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $overpayment_id)
+        return $this->getOverpaymentHistoryAsyncWithHttpInfo($xero_tenant_id$overpayment_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -36927,10 +36927,10 @@ function ($response) {
      * @param  string $overpayment_id Unique identifier for a Overpayment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getOverpaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $overpayment_id)
+    public function getOverpaymentHistoryAsyncWithHttpInfo($xero_tenant_id$overpayment_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getOverpaymentHistoryRequest($xero_tenant_id, $overpayment_id);
+        $request = $this->getOverpaymentHistoryRequest($xero_tenant_id$overpayment_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -36970,7 +36970,7 @@ function ($exception) {
      * @param  string $overpayment_id Unique identifier for a Overpayment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getOverpaymentHistoryRequest($xero_tenant_id, $overpayment_id)
+    protected function getOverpaymentHistoryRequest($xero_tenant_id$overpayment_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -37075,9 +37075,9 @@ protected function getOverpaymentHistoryRequest($xero_tenant_id, $overpayment_id
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Overpayments
      */
-    public function getOverpayments($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
+    public function getOverpayments($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
     {
-        list($response) = $this->getOverpaymentsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp);
+        list($response) = $this->getOverpaymentsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page$unitdp);
         return $response;
     }
     /**
@@ -37093,9 +37093,9 @@ public function getOverpayments($xero_tenant_id, $if_modified_since = null, $whe
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Overpayments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getOverpaymentsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
+    public function getOverpaymentsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
     {
-        $request = $this->getOverpaymentsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp);
+        $request = $this->getOverpaymentsRequest($xero_tenant_id$if_modified_since$where$order$page$unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -37173,9 +37173,9 @@ public function getOverpaymentsWithHttpInfo($xero_tenant_id, $if_modified_since
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getOverpaymentsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
+    public function getOverpaymentsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
     {
-        return $this->getOverpaymentsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp)
+        return $this->getOverpaymentsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page$unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -37193,10 +37193,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getOverpaymentsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
+    public function getOverpaymentsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Overpayments';
-        $request = $this->getOverpaymentsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp);
+        $request = $this->getOverpaymentsRequest($xero_tenant_id$if_modified_since$where$order$page$unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -37240,7 +37240,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getOverpaymentsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
+    protected function getOverpaymentsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -37347,9 +37347,9 @@ protected function getOverpaymentsRequest($xero_tenant_id, $if_modified_since =
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Payments
      */
-    public function getPayment($xero_tenant_id, $payment_id)
+    public function getPayment($xero_tenant_id$payment_id)
     {
-        list($response) = $this->getPaymentWithHttpInfo($xero_tenant_id, $payment_id);
+        list($response) = $this->getPaymentWithHttpInfo($xero_tenant_id$payment_id);
         return $response;
     }
     /**
@@ -37361,9 +37361,9 @@ public function getPayment($xero_tenant_id, $payment_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Payments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPaymentWithHttpInfo($xero_tenant_id, $payment_id)
+    public function getPaymentWithHttpInfo($xero_tenant_id$payment_id)
     {
-        $request = $this->getPaymentRequest($xero_tenant_id, $payment_id);
+        $request = $this->getPaymentRequest($xero_tenant_id$payment_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -37437,9 +37437,9 @@ public function getPaymentWithHttpInfo($xero_tenant_id, $payment_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPaymentAsync($xero_tenant_id, $payment_id)
+    public function getPaymentAsync($xero_tenant_id$payment_id)
     {
-        return $this->getPaymentAsyncWithHttpInfo($xero_tenant_id, $payment_id)
+        return $this->getPaymentAsyncWithHttpInfo($xero_tenant_id$payment_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -37453,10 +37453,10 @@ function ($response) {
      * @param  string $payment_id Unique identifier for a Payment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPaymentAsyncWithHttpInfo($xero_tenant_id, $payment_id)
+    public function getPaymentAsyncWithHttpInfo($xero_tenant_id$payment_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Payments';
-        $request = $this->getPaymentRequest($xero_tenant_id, $payment_id);
+        $request = $this->getPaymentRequest($xero_tenant_id$payment_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -37496,7 +37496,7 @@ function ($exception) {
      * @param  string $payment_id Unique identifier for a Payment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPaymentRequest($xero_tenant_id, $payment_id)
+    protected function getPaymentRequest($xero_tenant_id$payment_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -37597,9 +37597,9 @@ protected function getPaymentRequest($xero_tenant_id, $payment_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getPaymentHistory($xero_tenant_id, $payment_id)
+    public function getPaymentHistory($xero_tenant_id$payment_id)
     {
-        list($response) = $this->getPaymentHistoryWithHttpInfo($xero_tenant_id, $payment_id);
+        list($response) = $this->getPaymentHistoryWithHttpInfo($xero_tenant_id$payment_id);
         return $response;
     }
     /**
@@ -37611,9 +37611,9 @@ public function getPaymentHistory($xero_tenant_id, $payment_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPaymentHistoryWithHttpInfo($xero_tenant_id, $payment_id)
+    public function getPaymentHistoryWithHttpInfo($xero_tenant_id$payment_id)
     {
-        $request = $this->getPaymentHistoryRequest($xero_tenant_id, $payment_id);
+        $request = $this->getPaymentHistoryRequest($xero_tenant_id$payment_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -37687,9 +37687,9 @@ public function getPaymentHistoryWithHttpInfo($xero_tenant_id, $payment_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPaymentHistoryAsync($xero_tenant_id, $payment_id)
+    public function getPaymentHistoryAsync($xero_tenant_id$payment_id)
     {
-        return $this->getPaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $payment_id)
+        return $this->getPaymentHistoryAsyncWithHttpInfo($xero_tenant_id$payment_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -37703,10 +37703,10 @@ function ($response) {
      * @param  string $payment_id Unique identifier for a Payment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $payment_id)
+    public function getPaymentHistoryAsyncWithHttpInfo($xero_tenant_id$payment_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getPaymentHistoryRequest($xero_tenant_id, $payment_id);
+        $request = $this->getPaymentHistoryRequest($xero_tenant_id$payment_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -37746,7 +37746,7 @@ function ($exception) {
      * @param  string $payment_id Unique identifier for a Payment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPaymentHistoryRequest($xero_tenant_id, $payment_id)
+    protected function getPaymentHistoryRequest($xero_tenant_id$payment_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -38081,9 +38081,9 @@ protected function getPaymentServicesRequest($xero_tenant_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Payments
      */
-    public function getPayments($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getPayments($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
-        list($response) = $this->getPaymentsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page);
+        list($response) = $this->getPaymentsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page);
         return $response;
     }
     /**
@@ -38098,9 +38098,9 @@ public function getPayments($xero_tenant_id, $if_modified_since = null, $where =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Payments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPaymentsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getPaymentsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
-        $request = $this->getPaymentsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
+        $request = $this->getPaymentsRequest($xero_tenant_id$if_modified_since$where$order$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -38177,9 +38177,9 @@ public function getPaymentsWithHttpInfo($xero_tenant_id, $if_modified_since = nu
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPaymentsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getPaymentsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
-        return $this->getPaymentsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page)
+        return $this->getPaymentsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -38196,10 +38196,10 @@ function ($response) {
      * @param  int $page Up to 100 payments will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPaymentsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getPaymentsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Payments';
-        $request = $this->getPaymentsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
+        $request = $this->getPaymentsRequest($xero_tenant_id$if_modified_since$where$order$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -38242,7 +38242,7 @@ function ($exception) {
      * @param  int $page Up to 100 payments will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPaymentsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    protected function getPaymentsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -38345,9 +38345,9 @@ protected function getPaymentsRequest($xero_tenant_id, $if_modified_since = null
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Prepayments
      */
-    public function getPrepayment($xero_tenant_id, $prepayment_id)
+    public function getPrepayment($xero_tenant_id$prepayment_id)
     {
-        list($response) = $this->getPrepaymentWithHttpInfo($xero_tenant_id, $prepayment_id);
+        list($response) = $this->getPrepaymentWithHttpInfo($xero_tenant_id$prepayment_id);
         return $response;
     }
     /**
@@ -38359,9 +38359,9 @@ public function getPrepayment($xero_tenant_id, $prepayment_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Prepayments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPrepaymentWithHttpInfo($xero_tenant_id, $prepayment_id)
+    public function getPrepaymentWithHttpInfo($xero_tenant_id$prepayment_id)
     {
-        $request = $this->getPrepaymentRequest($xero_tenant_id, $prepayment_id);
+        $request = $this->getPrepaymentRequest($xero_tenant_id$prepayment_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -38435,9 +38435,9 @@ public function getPrepaymentWithHttpInfo($xero_tenant_id, $prepayment_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPrepaymentAsync($xero_tenant_id, $prepayment_id)
+    public function getPrepaymentAsync($xero_tenant_id$prepayment_id)
     {
-        return $this->getPrepaymentAsyncWithHttpInfo($xero_tenant_id, $prepayment_id)
+        return $this->getPrepaymentAsyncWithHttpInfo($xero_tenant_id$prepayment_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -38451,10 +38451,10 @@ function ($response) {
      * @param  string $prepayment_id Unique identifier for a PrePayment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPrepaymentAsyncWithHttpInfo($xero_tenant_id, $prepayment_id)
+    public function getPrepaymentAsyncWithHttpInfo($xero_tenant_id$prepayment_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Prepayments';
-        $request = $this->getPrepaymentRequest($xero_tenant_id, $prepayment_id);
+        $request = $this->getPrepaymentRequest($xero_tenant_id$prepayment_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -38494,7 +38494,7 @@ function ($exception) {
      * @param  string $prepayment_id Unique identifier for a PrePayment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPrepaymentRequest($xero_tenant_id, $prepayment_id)
+    protected function getPrepaymentRequest($xero_tenant_id$prepayment_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -38595,9 +38595,9 @@ protected function getPrepaymentRequest($xero_tenant_id, $prepayment_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getPrepaymentHistory($xero_tenant_id, $prepayment_id)
+    public function getPrepaymentHistory($xero_tenant_id$prepayment_id)
     {
-        list($response) = $this->getPrepaymentHistoryWithHttpInfo($xero_tenant_id, $prepayment_id);
+        list($response) = $this->getPrepaymentHistoryWithHttpInfo($xero_tenant_id$prepayment_id);
         return $response;
     }
     /**
@@ -38609,9 +38609,9 @@ public function getPrepaymentHistory($xero_tenant_id, $prepayment_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPrepaymentHistoryWithHttpInfo($xero_tenant_id, $prepayment_id)
+    public function getPrepaymentHistoryWithHttpInfo($xero_tenant_id$prepayment_id)
     {
-        $request = $this->getPrepaymentHistoryRequest($xero_tenant_id, $prepayment_id);
+        $request = $this->getPrepaymentHistoryRequest($xero_tenant_id$prepayment_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -38685,9 +38685,9 @@ public function getPrepaymentHistoryWithHttpInfo($xero_tenant_id, $prepayment_id
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPrepaymentHistoryAsync($xero_tenant_id, $prepayment_id)
+    public function getPrepaymentHistoryAsync($xero_tenant_id$prepayment_id)
     {
-        return $this->getPrepaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $prepayment_id)
+        return $this->getPrepaymentHistoryAsyncWithHttpInfo($xero_tenant_id$prepayment_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -38701,10 +38701,10 @@ function ($response) {
      * @param  string $prepayment_id Unique identifier for a PrePayment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPrepaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $prepayment_id)
+    public function getPrepaymentHistoryAsyncWithHttpInfo($xero_tenant_id$prepayment_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getPrepaymentHistoryRequest($xero_tenant_id, $prepayment_id);
+        $request = $this->getPrepaymentHistoryRequest($xero_tenant_id$prepayment_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -38744,7 +38744,7 @@ function ($exception) {
      * @param  string $prepayment_id Unique identifier for a PrePayment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPrepaymentHistoryRequest($xero_tenant_id, $prepayment_id)
+    protected function getPrepaymentHistoryRequest($xero_tenant_id$prepayment_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -38849,9 +38849,9 @@ protected function getPrepaymentHistoryRequest($xero_tenant_id, $prepayment_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Prepayments
      */
-    public function getPrepayments($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
+    public function getPrepayments($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
     {
-        list($response) = $this->getPrepaymentsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp);
+        list($response) = $this->getPrepaymentsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page$unitdp);
         return $response;
     }
     /**
@@ -38867,9 +38867,9 @@ public function getPrepayments($xero_tenant_id, $if_modified_since = null, $wher
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Prepayments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPrepaymentsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
+    public function getPrepaymentsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
     {
-        $request = $this->getPrepaymentsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp);
+        $request = $this->getPrepaymentsRequest($xero_tenant_id$if_modified_since$where$order$page$unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -38947,9 +38947,9 @@ public function getPrepaymentsWithHttpInfo($xero_tenant_id, $if_modified_since =
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPrepaymentsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
+    public function getPrepaymentsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
     {
-        return $this->getPrepaymentsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp)
+        return $this->getPrepaymentsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page$unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -38967,10 +38967,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPrepaymentsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
+    public function getPrepaymentsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Prepayments';
-        $request = $this->getPrepaymentsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp);
+        $request = $this->getPrepaymentsRequest($xero_tenant_id$if_modified_since$where$order$page$unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -39014,7 +39014,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPrepaymentsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
+    protected function getPrepaymentsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -39121,9 +39121,9 @@ protected function getPrepaymentsRequest($xero_tenant_id, $if_modified_since = n
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders
      */
-    public function getPurchaseOrder($xero_tenant_id, $purchase_order_id)
+    public function getPurchaseOrder($xero_tenant_id$purchase_order_id)
     {
-        list($response) = $this->getPurchaseOrderWithHttpInfo($xero_tenant_id, $purchase_order_id);
+        list($response) = $this->getPurchaseOrderWithHttpInfo($xero_tenant_id$purchase_order_id);
         return $response;
     }
     /**
@@ -39135,9 +39135,9 @@ public function getPurchaseOrder($xero_tenant_id, $purchase_order_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPurchaseOrderWithHttpInfo($xero_tenant_id, $purchase_order_id)
+    public function getPurchaseOrderWithHttpInfo($xero_tenant_id$purchase_order_id)
     {
-        $request = $this->getPurchaseOrderRequest($xero_tenant_id, $purchase_order_id);
+        $request = $this->getPurchaseOrderRequest($xero_tenant_id$purchase_order_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -39211,9 +39211,9 @@ public function getPurchaseOrderWithHttpInfo($xero_tenant_id, $purchase_order_id
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPurchaseOrderAsync($xero_tenant_id, $purchase_order_id)
+    public function getPurchaseOrderAsync($xero_tenant_id$purchase_order_id)
     {
-        return $this->getPurchaseOrderAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id)
+        return $this->getPurchaseOrderAsyncWithHttpInfo($xero_tenant_id$purchase_order_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -39227,10 +39227,10 @@ function ($response) {
      * @param  string $purchase_order_id Unique identifier for an Purchase Order (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPurchaseOrderAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id)
+    public function getPurchaseOrderAsyncWithHttpInfo($xero_tenant_id$purchase_order_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders';
-        $request = $this->getPurchaseOrderRequest($xero_tenant_id, $purchase_order_id);
+        $request = $this->getPurchaseOrderRequest($xero_tenant_id$purchase_order_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -39270,7 +39270,7 @@ function ($exception) {
      * @param  string $purchase_order_id Unique identifier for an Purchase Order (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPurchaseOrderRequest($xero_tenant_id, $purchase_order_id)
+    protected function getPurchaseOrderRequest($xero_tenant_id$purchase_order_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -39371,9 +39371,9 @@ protected function getPurchaseOrderRequest($xero_tenant_id, $purchase_order_id)
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getPurchaseOrderAsPdf($xero_tenant_id, $purchase_order_id)
+    public function getPurchaseOrderAsPdf($xero_tenant_id$purchase_order_id)
     {
-        list($response) = $this->getPurchaseOrderAsPdfWithHttpInfo($xero_tenant_id, $purchase_order_id);
+        list($response) = $this->getPurchaseOrderAsPdfWithHttpInfo($xero_tenant_id$purchase_order_id);
         return $response;
     }
     /**
@@ -39385,9 +39385,9 @@ public function getPurchaseOrderAsPdf($xero_tenant_id, $purchase_order_id)
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPurchaseOrderAsPdfWithHttpInfo($xero_tenant_id, $purchase_order_id)
+    public function getPurchaseOrderAsPdfWithHttpInfo($xero_tenant_id$purchase_order_id)
     {
-        $request = $this->getPurchaseOrderAsPdfRequest($xero_tenant_id, $purchase_order_id);
+        $request = $this->getPurchaseOrderAsPdfRequest($xero_tenant_id$purchase_order_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -39461,9 +39461,9 @@ public function getPurchaseOrderAsPdfWithHttpInfo($xero_tenant_id, $purchase_ord
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPurchaseOrderAsPdfAsync($xero_tenant_id, $purchase_order_id)
+    public function getPurchaseOrderAsPdfAsync($xero_tenant_id$purchase_order_id)
     {
-        return $this->getPurchaseOrderAsPdfAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id)
+        return $this->getPurchaseOrderAsPdfAsyncWithHttpInfo($xero_tenant_id$purchase_order_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -39477,10 +39477,10 @@ function ($response) {
      * @param  string $purchase_order_id Unique identifier for an Purchase Order (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPurchaseOrderAsPdfAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id)
+    public function getPurchaseOrderAsPdfAsyncWithHttpInfo($xero_tenant_id$purchase_order_id)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getPurchaseOrderAsPdfRequest($xero_tenant_id, $purchase_order_id);
+        $request = $this->getPurchaseOrderAsPdfRequest($xero_tenant_id$purchase_order_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -39520,7 +39520,7 @@ function ($exception) {
      * @param  string $purchase_order_id Unique identifier for an Purchase Order (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPurchaseOrderAsPdfRequest($xero_tenant_id, $purchase_order_id)
+    protected function getPurchaseOrderAsPdfRequest($xero_tenant_id$purchase_order_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -39623,9 +39623,9 @@ protected function getPurchaseOrderAsPdfRequest($xero_tenant_id, $purchase_order
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getPurchaseOrderAttachmentByFileName($xero_tenant_id, $purchase_order_id, $file_name, $content_type)
+    public function getPurchaseOrderAttachmentByFileName($xero_tenant_id$purchase_order_id$file_name$content_type)
     {
-        list($response) = $this->getPurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant_id, $purchase_order_id, $file_name, $content_type);
+        list($response) = $this->getPurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant_id$purchase_order_id$file_name$content_type);
         return $response;
     }
     /**
@@ -39639,9 +39639,9 @@ public function getPurchaseOrderAttachmentByFileName($xero_tenant_id, $purchase_
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant_id, $purchase_order_id, $file_name, $content_type)
+    public function getPurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant_id$purchase_order_id$file_name$content_type)
     {
-        $request = $this->getPurchaseOrderAttachmentByFileNameRequest($xero_tenant_id, $purchase_order_id, $file_name, $content_type);
+        $request = $this->getPurchaseOrderAttachmentByFileNameRequest($xero_tenant_id$purchase_order_id$file_name$content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -39717,9 +39717,9 @@ public function getPurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant_id
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPurchaseOrderAttachmentByFileNameAsync($xero_tenant_id, $purchase_order_id, $file_name, $content_type)
+    public function getPurchaseOrderAttachmentByFileNameAsync($xero_tenant_id$purchase_order_id$file_name$content_type)
     {
-        return $this->getPurchaseOrderAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id, $file_name, $content_type)
+        return $this->getPurchaseOrderAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$purchase_order_id$file_name$content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -39735,10 +39735,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPurchaseOrderAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id, $file_name, $content_type)
+    public function getPurchaseOrderAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$purchase_order_id$file_name$content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getPurchaseOrderAttachmentByFileNameRequest($xero_tenant_id, $purchase_order_id, $file_name, $content_type);
+        $request = $this->getPurchaseOrderAttachmentByFileNameRequest($xero_tenant_id$purchase_order_id$file_name$content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -39780,7 +39780,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPurchaseOrderAttachmentByFileNameRequest($xero_tenant_id, $purchase_order_id, $file_name, $content_type)
+    protected function getPurchaseOrderAttachmentByFileNameRequest($xero_tenant_id$purchase_order_id$file_name$content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -39907,9 +39907,9 @@ protected function getPurchaseOrderAttachmentByFileNameRequest($xero_tenant_id,
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getPurchaseOrderAttachmentById($xero_tenant_id, $purchase_order_id, $attachment_id, $content_type)
+    public function getPurchaseOrderAttachmentById($xero_tenant_id$purchase_order_id$attachment_id$content_type)
     {
-        list($response) = $this->getPurchaseOrderAttachmentByIdWithHttpInfo($xero_tenant_id, $purchase_order_id, $attachment_id, $content_type);
+        list($response) = $this->getPurchaseOrderAttachmentByIdWithHttpInfo($xero_tenant_id$purchase_order_id$attachment_id$content_type);
         return $response;
     }
     /**
@@ -39923,9 +39923,9 @@ public function getPurchaseOrderAttachmentById($xero_tenant_id, $purchase_order_
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPurchaseOrderAttachmentByIdWithHttpInfo($xero_tenant_id, $purchase_order_id, $attachment_id, $content_type)
+    public function getPurchaseOrderAttachmentByIdWithHttpInfo($xero_tenant_id$purchase_order_id$attachment_id$content_type)
     {
-        $request = $this->getPurchaseOrderAttachmentByIdRequest($xero_tenant_id, $purchase_order_id, $attachment_id, $content_type);
+        $request = $this->getPurchaseOrderAttachmentByIdRequest($xero_tenant_id$purchase_order_id$attachment_id$content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -40001,9 +40001,9 @@ public function getPurchaseOrderAttachmentByIdWithHttpInfo($xero_tenant_id, $pur
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPurchaseOrderAttachmentByIdAsync($xero_tenant_id, $purchase_order_id, $attachment_id, $content_type)
+    public function getPurchaseOrderAttachmentByIdAsync($xero_tenant_id$purchase_order_id$attachment_id$content_type)
     {
-        return $this->getPurchaseOrderAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id, $attachment_id, $content_type)
+        return $this->getPurchaseOrderAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$purchase_order_id$attachment_id$content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -40019,10 +40019,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPurchaseOrderAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id, $attachment_id, $content_type)
+    public function getPurchaseOrderAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$purchase_order_id$attachment_id$content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getPurchaseOrderAttachmentByIdRequest($xero_tenant_id, $purchase_order_id, $attachment_id, $content_type);
+        $request = $this->getPurchaseOrderAttachmentByIdRequest($xero_tenant_id$purchase_order_id$attachment_id$content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -40064,7 +40064,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPurchaseOrderAttachmentByIdRequest($xero_tenant_id, $purchase_order_id, $attachment_id, $content_type)
+    protected function getPurchaseOrderAttachmentByIdRequest($xero_tenant_id$purchase_order_id$attachment_id$content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -40189,9 +40189,9 @@ protected function getPurchaseOrderAttachmentByIdRequest($xero_tenant_id, $purch
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments
      */
-    public function getPurchaseOrderAttachments($xero_tenant_id, $purchase_order_id)
+    public function getPurchaseOrderAttachments($xero_tenant_id$purchase_order_id)
     {
-        list($response) = $this->getPurchaseOrderAttachmentsWithHttpInfo($xero_tenant_id, $purchase_order_id);
+        list($response) = $this->getPurchaseOrderAttachmentsWithHttpInfo($xero_tenant_id$purchase_order_id);
         return $response;
     }
     /**
@@ -40203,9 +40203,9 @@ public function getPurchaseOrderAttachments($xero_tenant_id, $purchase_order_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPurchaseOrderAttachmentsWithHttpInfo($xero_tenant_id, $purchase_order_id)
+    public function getPurchaseOrderAttachmentsWithHttpInfo($xero_tenant_id$purchase_order_id)
     {
-        $request = $this->getPurchaseOrderAttachmentsRequest($xero_tenant_id, $purchase_order_id);
+        $request = $this->getPurchaseOrderAttachmentsRequest($xero_tenant_id$purchase_order_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -40279,9 +40279,9 @@ public function getPurchaseOrderAttachmentsWithHttpInfo($xero_tenant_id, $purcha
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPurchaseOrderAttachmentsAsync($xero_tenant_id, $purchase_order_id)
+    public function getPurchaseOrderAttachmentsAsync($xero_tenant_id$purchase_order_id)
     {
-        return $this->getPurchaseOrderAttachmentsAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id)
+        return $this->getPurchaseOrderAttachmentsAsyncWithHttpInfo($xero_tenant_id$purchase_order_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -40295,10 +40295,10 @@ function ($response) {
      * @param  string $purchase_order_id Unique identifier for an Purchase Order (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPurchaseOrderAttachmentsAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id)
+    public function getPurchaseOrderAttachmentsAsyncWithHttpInfo($xero_tenant_id$purchase_order_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->getPurchaseOrderAttachmentsRequest($xero_tenant_id, $purchase_order_id);
+        $request = $this->getPurchaseOrderAttachmentsRequest($xero_tenant_id$purchase_order_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -40338,7 +40338,7 @@ function ($exception) {
      * @param  string $purchase_order_id Unique identifier for an Purchase Order (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPurchaseOrderAttachmentsRequest($xero_tenant_id, $purchase_order_id)
+    protected function getPurchaseOrderAttachmentsRequest($xero_tenant_id$purchase_order_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -40439,9 +40439,9 @@ protected function getPurchaseOrderAttachmentsRequest($xero_tenant_id, $purchase
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders
      */
-    public function getPurchaseOrderByNumber($xero_tenant_id, $purchase_order_number)
+    public function getPurchaseOrderByNumber($xero_tenant_id$purchase_order_number)
     {
-        list($response) = $this->getPurchaseOrderByNumberWithHttpInfo($xero_tenant_id, $purchase_order_number);
+        list($response) = $this->getPurchaseOrderByNumberWithHttpInfo($xero_tenant_id$purchase_order_number);
         return $response;
     }
     /**
@@ -40453,9 +40453,9 @@ public function getPurchaseOrderByNumber($xero_tenant_id, $purchase_order_number
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPurchaseOrderByNumberWithHttpInfo($xero_tenant_id, $purchase_order_number)
+    public function getPurchaseOrderByNumberWithHttpInfo($xero_tenant_id$purchase_order_number)
     {
-        $request = $this->getPurchaseOrderByNumberRequest($xero_tenant_id, $purchase_order_number);
+        $request = $this->getPurchaseOrderByNumberRequest($xero_tenant_id$purchase_order_number);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -40529,9 +40529,9 @@ public function getPurchaseOrderByNumberWithHttpInfo($xero_tenant_id, $purchase_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPurchaseOrderByNumberAsync($xero_tenant_id, $purchase_order_number)
+    public function getPurchaseOrderByNumberAsync($xero_tenant_id$purchase_order_number)
     {
-        return $this->getPurchaseOrderByNumberAsyncWithHttpInfo($xero_tenant_id, $purchase_order_number)
+        return $this->getPurchaseOrderByNumberAsyncWithHttpInfo($xero_tenant_id$purchase_order_number)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -40545,10 +40545,10 @@ function ($response) {
      * @param  string $purchase_order_number Unique identifier for a PurchaseOrder (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPurchaseOrderByNumberAsyncWithHttpInfo($xero_tenant_id, $purchase_order_number)
+    public function getPurchaseOrderByNumberAsyncWithHttpInfo($xero_tenant_id$purchase_order_number)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders';
-        $request = $this->getPurchaseOrderByNumberRequest($xero_tenant_id, $purchase_order_number);
+        $request = $this->getPurchaseOrderByNumberRequest($xero_tenant_id$purchase_order_number);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -40588,7 +40588,7 @@ function ($exception) {
      * @param  string $purchase_order_number Unique identifier for a PurchaseOrder (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPurchaseOrderByNumberRequest($xero_tenant_id, $purchase_order_number)
+    protected function getPurchaseOrderByNumberRequest($xero_tenant_id$purchase_order_number)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -40689,9 +40689,9 @@ protected function getPurchaseOrderByNumberRequest($xero_tenant_id, $purchase_or
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getPurchaseOrderHistory($xero_tenant_id, $purchase_order_id)
+    public function getPurchaseOrderHistory($xero_tenant_id$purchase_order_id)
     {
-        list($response) = $this->getPurchaseOrderHistoryWithHttpInfo($xero_tenant_id, $purchase_order_id);
+        list($response) = $this->getPurchaseOrderHistoryWithHttpInfo($xero_tenant_id$purchase_order_id);
         return $response;
     }
     /**
@@ -40703,9 +40703,9 @@ public function getPurchaseOrderHistory($xero_tenant_id, $purchase_order_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPurchaseOrderHistoryWithHttpInfo($xero_tenant_id, $purchase_order_id)
+    public function getPurchaseOrderHistoryWithHttpInfo($xero_tenant_id$purchase_order_id)
     {
-        $request = $this->getPurchaseOrderHistoryRequest($xero_tenant_id, $purchase_order_id);
+        $request = $this->getPurchaseOrderHistoryRequest($xero_tenant_id$purchase_order_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -40779,9 +40779,9 @@ public function getPurchaseOrderHistoryWithHttpInfo($xero_tenant_id, $purchase_o
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPurchaseOrderHistoryAsync($xero_tenant_id, $purchase_order_id)
+    public function getPurchaseOrderHistoryAsync($xero_tenant_id$purchase_order_id)
     {
-        return $this->getPurchaseOrderHistoryAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id)
+        return $this->getPurchaseOrderHistoryAsyncWithHttpInfo($xero_tenant_id$purchase_order_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -40795,10 +40795,10 @@ function ($response) {
      * @param  string $purchase_order_id Unique identifier for an Purchase Order (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPurchaseOrderHistoryAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id)
+    public function getPurchaseOrderHistoryAsyncWithHttpInfo($xero_tenant_id$purchase_order_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getPurchaseOrderHistoryRequest($xero_tenant_id, $purchase_order_id);
+        $request = $this->getPurchaseOrderHistoryRequest($xero_tenant_id$purchase_order_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -40838,7 +40838,7 @@ function ($exception) {
      * @param  string $purchase_order_id Unique identifier for an Purchase Order (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPurchaseOrderHistoryRequest($xero_tenant_id, $purchase_order_id)
+    protected function getPurchaseOrderHistoryRequest($xero_tenant_id$purchase_order_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -40944,9 +40944,9 @@ protected function getPurchaseOrderHistoryRequest($xero_tenant_id, $purchase_ord
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders
      */
-    public function getPurchaseOrders($xero_tenant_id, $if_modified_since = null, $status = null, $date_from = null, $date_to = null, $order = null, $page = null)
+    public function getPurchaseOrders($xero_tenant_id$if_modified_since = null$status = null$date_from = null$date_to = null$order = null$page = null)
     {
-        list($response) = $this->getPurchaseOrdersWithHttpInfo($xero_tenant_id, $if_modified_since, $status, $date_from, $date_to, $order, $page);
+        list($response) = $this->getPurchaseOrdersWithHttpInfo($xero_tenant_id$if_modified_since$status$date_from$date_to$order$page);
         return $response;
     }
     /**
@@ -40963,9 +40963,9 @@ public function getPurchaseOrders($xero_tenant_id, $if_modified_since = null, $s
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPurchaseOrdersWithHttpInfo($xero_tenant_id, $if_modified_since = null, $status = null, $date_from = null, $date_to = null, $order = null, $page = null)
+    public function getPurchaseOrdersWithHttpInfo($xero_tenant_id$if_modified_since = null$status = null$date_from = null$date_to = null$order = null$page = null)
     {
-        $request = $this->getPurchaseOrdersRequest($xero_tenant_id, $if_modified_since, $status, $date_from, $date_to, $order, $page);
+        $request = $this->getPurchaseOrdersRequest($xero_tenant_id$if_modified_since$status$date_from$date_to$order$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -41044,9 +41044,9 @@ public function getPurchaseOrdersWithHttpInfo($xero_tenant_id, $if_modified_sinc
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPurchaseOrdersAsync($xero_tenant_id, $if_modified_since = null, $status = null, $date_from = null, $date_to = null, $order = null, $page = null)
+    public function getPurchaseOrdersAsync($xero_tenant_id$if_modified_since = null$status = null$date_from = null$date_to = null$order = null$page = null)
     {
-        return $this->getPurchaseOrdersAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $status, $date_from, $date_to, $order, $page)
+        return $this->getPurchaseOrdersAsyncWithHttpInfo($xero_tenant_id$if_modified_since$status$date_from$date_to$order$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -41065,10 +41065,10 @@ function ($response) {
      * @param  int $page To specify a page, append the page parameter to the URL e.g. ?page&#x3D;1. If there are 100 records in the response you will need to check if there is any more data by fetching the next page e.g ?page&#x3D;2 and continuing this process until no more results are returned. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPurchaseOrdersAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $status = null, $date_from = null, $date_to = null, $order = null, $page = null)
+    public function getPurchaseOrdersAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$status = null$date_from = null$date_to = null$order = null$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders';
-        $request = $this->getPurchaseOrdersRequest($xero_tenant_id, $if_modified_since, $status, $date_from, $date_to, $order, $page);
+        $request = $this->getPurchaseOrdersRequest($xero_tenant_id$if_modified_since$status$date_from$date_to$order$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -41113,7 +41113,7 @@ function ($exception) {
      * @param  int $page To specify a page, append the page parameter to the URL e.g. ?page&#x3D;1. If there are 100 records in the response you will need to check if there is any more data by fetching the next page e.g ?page&#x3D;2 and continuing this process until no more results are returned. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPurchaseOrdersRequest($xero_tenant_id, $if_modified_since = null, $status = null, $date_from = null, $date_to = null, $order = null, $page = null)
+    protected function getPurchaseOrdersRequest($xero_tenant_id$if_modified_since = null$status = null$date_from = null$date_to = null$order = null$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -41224,9 +41224,9 @@ protected function getPurchaseOrdersRequest($xero_tenant_id, $if_modified_since
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Quotes
      */
-    public function getQuote($xero_tenant_id, $quote_id)
+    public function getQuote($xero_tenant_id$quote_id)
     {
-        list($response) = $this->getQuoteWithHttpInfo($xero_tenant_id, $quote_id);
+        list($response) = $this->getQuoteWithHttpInfo($xero_tenant_id$quote_id);
         return $response;
     }
     /**
@@ -41238,9 +41238,9 @@ public function getQuote($xero_tenant_id, $quote_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Quotes, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getQuoteWithHttpInfo($xero_tenant_id, $quote_id)
+    public function getQuoteWithHttpInfo($xero_tenant_id$quote_id)
     {
-        $request = $this->getQuoteRequest($xero_tenant_id, $quote_id);
+        $request = $this->getQuoteRequest($xero_tenant_id$quote_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -41314,9 +41314,9 @@ public function getQuoteWithHttpInfo($xero_tenant_id, $quote_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getQuoteAsync($xero_tenant_id, $quote_id)
+    public function getQuoteAsync($xero_tenant_id$quote_id)
     {
-        return $this->getQuoteAsyncWithHttpInfo($xero_tenant_id, $quote_id)
+        return $this->getQuoteAsyncWithHttpInfo($xero_tenant_id$quote_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -41330,10 +41330,10 @@ function ($response) {
      * @param  string $quote_id Unique identifier for an Quote (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getQuoteAsyncWithHttpInfo($xero_tenant_id, $quote_id)
+    public function getQuoteAsyncWithHttpInfo($xero_tenant_id$quote_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Quotes';
-        $request = $this->getQuoteRequest($xero_tenant_id, $quote_id);
+        $request = $this->getQuoteRequest($xero_tenant_id$quote_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -41373,7 +41373,7 @@ function ($exception) {
      * @param  string $quote_id Unique identifier for an Quote (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getQuoteRequest($xero_tenant_id, $quote_id)
+    protected function getQuoteRequest($xero_tenant_id$quote_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -41474,9 +41474,9 @@ protected function getQuoteRequest($xero_tenant_id, $quote_id)
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getQuoteAsPdf($xero_tenant_id, $quote_id)
+    public function getQuoteAsPdf($xero_tenant_id$quote_id)
     {
-        list($response) = $this->getQuoteAsPdfWithHttpInfo($xero_tenant_id, $quote_id);
+        list($response) = $this->getQuoteAsPdfWithHttpInfo($xero_tenant_id$quote_id);
         return $response;
     }
     /**
@@ -41488,9 +41488,9 @@ public function getQuoteAsPdf($xero_tenant_id, $quote_id)
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getQuoteAsPdfWithHttpInfo($xero_tenant_id, $quote_id)
+    public function getQuoteAsPdfWithHttpInfo($xero_tenant_id$quote_id)
     {
-        $request = $this->getQuoteAsPdfRequest($xero_tenant_id, $quote_id);
+        $request = $this->getQuoteAsPdfRequest($xero_tenant_id$quote_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -41564,9 +41564,9 @@ public function getQuoteAsPdfWithHttpInfo($xero_tenant_id, $quote_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getQuoteAsPdfAsync($xero_tenant_id, $quote_id)
+    public function getQuoteAsPdfAsync($xero_tenant_id$quote_id)
     {
-        return $this->getQuoteAsPdfAsyncWithHttpInfo($xero_tenant_id, $quote_id)
+        return $this->getQuoteAsPdfAsyncWithHttpInfo($xero_tenant_id$quote_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -41580,10 +41580,10 @@ function ($response) {
      * @param  string $quote_id Unique identifier for an Quote (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getQuoteAsPdfAsyncWithHttpInfo($xero_tenant_id, $quote_id)
+    public function getQuoteAsPdfAsyncWithHttpInfo($xero_tenant_id$quote_id)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getQuoteAsPdfRequest($xero_tenant_id, $quote_id);
+        $request = $this->getQuoteAsPdfRequest($xero_tenant_id$quote_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -41623,7 +41623,7 @@ function ($exception) {
      * @param  string $quote_id Unique identifier for an Quote (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getQuoteAsPdfRequest($xero_tenant_id, $quote_id)
+    protected function getQuoteAsPdfRequest($xero_tenant_id$quote_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -41726,9 +41726,9 @@ protected function getQuoteAsPdfRequest($xero_tenant_id, $quote_id)
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getQuoteAttachmentByFileName($xero_tenant_id, $quote_id, $file_name, $content_type)
+    public function getQuoteAttachmentByFileName($xero_tenant_id$quote_id$file_name$content_type)
     {
-        list($response) = $this->getQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $quote_id, $file_name, $content_type);
+        list($response) = $this->getQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$quote_id$file_name$content_type);
         return $response;
     }
     /**
@@ -41742,9 +41742,9 @@ public function getQuoteAttachmentByFileName($xero_tenant_id, $quote_id, $file_n
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $quote_id, $file_name, $content_type)
+    public function getQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$quote_id$file_name$content_type)
     {
-        $request = $this->getQuoteAttachmentByFileNameRequest($xero_tenant_id, $quote_id, $file_name, $content_type);
+        $request = $this->getQuoteAttachmentByFileNameRequest($xero_tenant_id$quote_id$file_name$content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -41820,9 +41820,9 @@ public function getQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $quote
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getQuoteAttachmentByFileNameAsync($xero_tenant_id, $quote_id, $file_name, $content_type)
+    public function getQuoteAttachmentByFileNameAsync($xero_tenant_id$quote_id$file_name$content_type)
     {
-        return $this->getQuoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $quote_id, $file_name, $content_type)
+        return $this->getQuoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$quote_id$file_name$content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -41838,10 +41838,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getQuoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $quote_id, $file_name, $content_type)
+    public function getQuoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$quote_id$file_name$content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getQuoteAttachmentByFileNameRequest($xero_tenant_id, $quote_id, $file_name, $content_type);
+        $request = $this->getQuoteAttachmentByFileNameRequest($xero_tenant_id$quote_id$file_name$content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -41883,7 +41883,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getQuoteAttachmentByFileNameRequest($xero_tenant_id, $quote_id, $file_name, $content_type)
+    protected function getQuoteAttachmentByFileNameRequest($xero_tenant_id$quote_id$file_name$content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -42010,9 +42010,9 @@ protected function getQuoteAttachmentByFileNameRequest($xero_tenant_id, $quote_i
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getQuoteAttachmentById($xero_tenant_id, $quote_id, $attachment_id, $content_type)
+    public function getQuoteAttachmentById($xero_tenant_id$quote_id$attachment_id$content_type)
     {
-        list($response) = $this->getQuoteAttachmentByIdWithHttpInfo($xero_tenant_id, $quote_id, $attachment_id, $content_type);
+        list($response) = $this->getQuoteAttachmentByIdWithHttpInfo($xero_tenant_id$quote_id$attachment_id$content_type);
         return $response;
     }
     /**
@@ -42026,9 +42026,9 @@ public function getQuoteAttachmentById($xero_tenant_id, $quote_id, $attachment_i
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getQuoteAttachmentByIdWithHttpInfo($xero_tenant_id, $quote_id, $attachment_id, $content_type)
+    public function getQuoteAttachmentByIdWithHttpInfo($xero_tenant_id$quote_id$attachment_id$content_type)
     {
-        $request = $this->getQuoteAttachmentByIdRequest($xero_tenant_id, $quote_id, $attachment_id, $content_type);
+        $request = $this->getQuoteAttachmentByIdRequest($xero_tenant_id$quote_id$attachment_id$content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -42104,9 +42104,9 @@ public function getQuoteAttachmentByIdWithHttpInfo($xero_tenant_id, $quote_id, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getQuoteAttachmentByIdAsync($xero_tenant_id, $quote_id, $attachment_id, $content_type)
+    public function getQuoteAttachmentByIdAsync($xero_tenant_id$quote_id$attachment_id$content_type)
     {
-        return $this->getQuoteAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $quote_id, $attachment_id, $content_type)
+        return $this->getQuoteAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$quote_id$attachment_id$content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -42122,10 +42122,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getQuoteAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $quote_id, $attachment_id, $content_type)
+    public function getQuoteAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$quote_id$attachment_id$content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getQuoteAttachmentByIdRequest($xero_tenant_id, $quote_id, $attachment_id, $content_type);
+        $request = $this->getQuoteAttachmentByIdRequest($xero_tenant_id$quote_id$attachment_id$content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -42167,7 +42167,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getQuoteAttachmentByIdRequest($xero_tenant_id, $quote_id, $attachment_id, $content_type)
+    protected function getQuoteAttachmentByIdRequest($xero_tenant_id$quote_id$attachment_id$content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -42292,9 +42292,9 @@ protected function getQuoteAttachmentByIdRequest($xero_tenant_id, $quote_id, $at
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments
      */
-    public function getQuoteAttachments($xero_tenant_id, $quote_id)
+    public function getQuoteAttachments($xero_tenant_id$quote_id)
     {
-        list($response) = $this->getQuoteAttachmentsWithHttpInfo($xero_tenant_id, $quote_id);
+        list($response) = $this->getQuoteAttachmentsWithHttpInfo($xero_tenant_id$quote_id);
         return $response;
     }
     /**
@@ -42306,9 +42306,9 @@ public function getQuoteAttachments($xero_tenant_id, $quote_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getQuoteAttachmentsWithHttpInfo($xero_tenant_id, $quote_id)
+    public function getQuoteAttachmentsWithHttpInfo($xero_tenant_id$quote_id)
     {
-        $request = $this->getQuoteAttachmentsRequest($xero_tenant_id, $quote_id);
+        $request = $this->getQuoteAttachmentsRequest($xero_tenant_id$quote_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -42382,9 +42382,9 @@ public function getQuoteAttachmentsWithHttpInfo($xero_tenant_id, $quote_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getQuoteAttachmentsAsync($xero_tenant_id, $quote_id)
+    public function getQuoteAttachmentsAsync($xero_tenant_id$quote_id)
     {
-        return $this->getQuoteAttachmentsAsyncWithHttpInfo($xero_tenant_id, $quote_id)
+        return $this->getQuoteAttachmentsAsyncWithHttpInfo($xero_tenant_id$quote_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -42398,10 +42398,10 @@ function ($response) {
      * @param  string $quote_id Unique identifier for an Quote (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getQuoteAttachmentsAsyncWithHttpInfo($xero_tenant_id, $quote_id)
+    public function getQuoteAttachmentsAsyncWithHttpInfo($xero_tenant_id$quote_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->getQuoteAttachmentsRequest($xero_tenant_id, $quote_id);
+        $request = $this->getQuoteAttachmentsRequest($xero_tenant_id$quote_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -42441,7 +42441,7 @@ function ($exception) {
      * @param  string $quote_id Unique identifier for an Quote (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getQuoteAttachmentsRequest($xero_tenant_id, $quote_id)
+    protected function getQuoteAttachmentsRequest($xero_tenant_id$quote_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -42542,9 +42542,9 @@ protected function getQuoteAttachmentsRequest($xero_tenant_id, $quote_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getQuoteHistory($xero_tenant_id, $quote_id)
+    public function getQuoteHistory($xero_tenant_id$quote_id)
     {
-        list($response) = $this->getQuoteHistoryWithHttpInfo($xero_tenant_id, $quote_id);
+        list($response) = $this->getQuoteHistoryWithHttpInfo($xero_tenant_id$quote_id);
         return $response;
     }
     /**
@@ -42556,9 +42556,9 @@ public function getQuoteHistory($xero_tenant_id, $quote_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getQuoteHistoryWithHttpInfo($xero_tenant_id, $quote_id)
+    public function getQuoteHistoryWithHttpInfo($xero_tenant_id$quote_id)
     {
-        $request = $this->getQuoteHistoryRequest($xero_tenant_id, $quote_id);
+        $request = $this->getQuoteHistoryRequest($xero_tenant_id$quote_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -42632,9 +42632,9 @@ public function getQuoteHistoryWithHttpInfo($xero_tenant_id, $quote_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getQuoteHistoryAsync($xero_tenant_id, $quote_id)
+    public function getQuoteHistoryAsync($xero_tenant_id$quote_id)
     {
-        return $this->getQuoteHistoryAsyncWithHttpInfo($xero_tenant_id, $quote_id)
+        return $this->getQuoteHistoryAsyncWithHttpInfo($xero_tenant_id$quote_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -42648,10 +42648,10 @@ function ($response) {
      * @param  string $quote_id Unique identifier for an Quote (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getQuoteHistoryAsyncWithHttpInfo($xero_tenant_id, $quote_id)
+    public function getQuoteHistoryAsyncWithHttpInfo($xero_tenant_id$quote_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getQuoteHistoryRequest($xero_tenant_id, $quote_id);
+        $request = $this->getQuoteHistoryRequest($xero_tenant_id$quote_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -42691,7 +42691,7 @@ function ($exception) {
      * @param  string $quote_id Unique identifier for an Quote (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getQuoteHistoryRequest($xero_tenant_id, $quote_id)
+    protected function getQuoteHistoryRequest($xero_tenant_id$quote_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -42801,9 +42801,9 @@ protected function getQuoteHistoryRequest($xero_tenant_id, $quote_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Quotes
      */
-    public function getQuotes($xero_tenant_id, $if_modified_since = null, $date_from = null, $date_to = null, $expiry_date_from = null, $expiry_date_to = null, $contact_id = null, $status = null, $page = null, $order = null, $quote_number = null)
+    public function getQuotes($xero_tenant_id$if_modified_since = null$date_from = null$date_to = null$expiry_date_from = null$expiry_date_to = null$contact_id = null$status = null$page = null$order = null$quote_number = null)
     {
-        list($response) = $this->getQuotesWithHttpInfo($xero_tenant_id, $if_modified_since, $date_from, $date_to, $expiry_date_from, $expiry_date_to, $contact_id, $status, $page, $order, $quote_number);
+        list($response) = $this->getQuotesWithHttpInfo($xero_tenant_id$if_modified_since$date_from$date_to$expiry_date_from$expiry_date_to$contact_id$status$page$order$quote_number);
         return $response;
     }
     /**
@@ -42824,9 +42824,9 @@ public function getQuotes($xero_tenant_id, $if_modified_since = null, $date_from
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Quotes, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getQuotesWithHttpInfo($xero_tenant_id, $if_modified_since = null, $date_from = null, $date_to = null, $expiry_date_from = null, $expiry_date_to = null, $contact_id = null, $status = null, $page = null, $order = null, $quote_number = null)
+    public function getQuotesWithHttpInfo($xero_tenant_id$if_modified_since = null$date_from = null$date_to = null$expiry_date_from = null$expiry_date_to = null$contact_id = null$status = null$page = null$order = null$quote_number = null)
     {
-        $request = $this->getQuotesRequest($xero_tenant_id, $if_modified_since, $date_from, $date_to, $expiry_date_from, $expiry_date_to, $contact_id, $status, $page, $order, $quote_number);
+        $request = $this->getQuotesRequest($xero_tenant_id$if_modified_since$date_from$date_to$expiry_date_from$expiry_date_to$contact_id$status$page$order$quote_number);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -42909,9 +42909,9 @@ public function getQuotesWithHttpInfo($xero_tenant_id, $if_modified_since = null
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getQuotesAsync($xero_tenant_id, $if_modified_since = null, $date_from = null, $date_to = null, $expiry_date_from = null, $expiry_date_to = null, $contact_id = null, $status = null, $page = null, $order = null, $quote_number = null)
+    public function getQuotesAsync($xero_tenant_id$if_modified_since = null$date_from = null$date_to = null$expiry_date_from = null$expiry_date_to = null$contact_id = null$status = null$page = null$order = null$quote_number = null)
     {
-        return $this->getQuotesAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $date_from, $date_to, $expiry_date_from, $expiry_date_to, $contact_id, $status, $page, $order, $quote_number)
+        return $this->getQuotesAsyncWithHttpInfo($xero_tenant_id$if_modified_since$date_from$date_to$expiry_date_from$expiry_date_to$contact_id$status$page$order$quote_number)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -42934,10 +42934,10 @@ function ($response) {
      * @param  string $quote_number Filter by quote number (e.g. GET https://.../Quotes?QuoteNumber&#x3D;QU-0001) (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getQuotesAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $date_from = null, $date_to = null, $expiry_date_from = null, $expiry_date_to = null, $contact_id = null, $status = null, $page = null, $order = null, $quote_number = null)
+    public function getQuotesAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$date_from = null$date_to = null$expiry_date_from = null$expiry_date_to = null$contact_id = null$status = null$page = null$order = null$quote_number = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Quotes';
-        $request = $this->getQuotesRequest($xero_tenant_id, $if_modified_since, $date_from, $date_to, $expiry_date_from, $expiry_date_to, $contact_id, $status, $page, $order, $quote_number);
+        $request = $this->getQuotesRequest($xero_tenant_id$if_modified_since$date_from$date_to$expiry_date_from$expiry_date_to$contact_id$status$page$order$quote_number);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -42986,7 +42986,7 @@ function ($exception) {
      * @param  string $quote_number Filter by quote number (e.g. GET https://.../Quotes?QuoteNumber&#x3D;QU-0001) (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getQuotesRequest($xero_tenant_id, $if_modified_since = null, $date_from = null, $date_to = null, $expiry_date_from = null, $expiry_date_to = null, $contact_id = null, $status = null, $page = null, $order = null, $quote_number = null)
+    protected function getQuotesRequest($xero_tenant_id$if_modified_since = null$date_from = null$date_to = null$expiry_date_from = null$expiry_date_to = null$contact_id = null$status = null$page = null$order = null$quote_number = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -43114,9 +43114,9 @@ protected function getQuotesRequest($xero_tenant_id, $if_modified_since = null,
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Receipts
      */
-    public function getReceipt($xero_tenant_id, $receipt_id, $unitdp = null)
+    public function getReceipt($xero_tenant_id$receipt_id$unitdp = null)
     {
-        list($response) = $this->getReceiptWithHttpInfo($xero_tenant_id, $receipt_id, $unitdp);
+        list($response) = $this->getReceiptWithHttpInfo($xero_tenant_id$receipt_id$unitdp);
         return $response;
     }
     /**
@@ -43129,9 +43129,9 @@ public function getReceipt($xero_tenant_id, $receipt_id, $unitdp = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Receipts, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReceiptWithHttpInfo($xero_tenant_id, $receipt_id, $unitdp = null)
+    public function getReceiptWithHttpInfo($xero_tenant_id$receipt_id$unitdp = null)
     {
-        $request = $this->getReceiptRequest($xero_tenant_id, $receipt_id, $unitdp);
+        $request = $this->getReceiptRequest($xero_tenant_id$receipt_id$unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -43206,9 +43206,9 @@ public function getReceiptWithHttpInfo($xero_tenant_id, $receipt_id, $unitdp = n
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReceiptAsync($xero_tenant_id, $receipt_id, $unitdp = null)
+    public function getReceiptAsync($xero_tenant_id$receipt_id$unitdp = null)
     {
-        return $this->getReceiptAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $unitdp)
+        return $this->getReceiptAsyncWithHttpInfo($xero_tenant_id$receipt_id$unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -43223,10 +43223,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReceiptAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $unitdp = null)
+    public function getReceiptAsyncWithHttpInfo($xero_tenant_id$receipt_id$unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Receipts';
-        $request = $this->getReceiptRequest($xero_tenant_id, $receipt_id, $unitdp);
+        $request = $this->getReceiptRequest($xero_tenant_id$receipt_id$unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -43267,7 +43267,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReceiptRequest($xero_tenant_id, $receipt_id, $unitdp = null)
+    protected function getReceiptRequest($xero_tenant_id$receipt_id$unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -43374,9 +43374,9 @@ protected function getReceiptRequest($xero_tenant_id, $receipt_id, $unitdp = nul
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getReceiptAttachmentByFileName($xero_tenant_id, $receipt_id, $file_name, $content_type)
+    public function getReceiptAttachmentByFileName($xero_tenant_id$receipt_id$file_name$content_type)
     {
-        list($response) = $this->getReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id, $receipt_id, $file_name, $content_type);
+        list($response) = $this->getReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id$receipt_id$file_name$content_type);
         return $response;
     }
     /**
@@ -43390,9 +43390,9 @@ public function getReceiptAttachmentByFileName($xero_tenant_id, $receipt_id, $fi
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id, $receipt_id, $file_name, $content_type)
+    public function getReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id$receipt_id$file_name$content_type)
     {
-        $request = $this->getReceiptAttachmentByFileNameRequest($xero_tenant_id, $receipt_id, $file_name, $content_type);
+        $request = $this->getReceiptAttachmentByFileNameRequest($xero_tenant_id$receipt_id$file_name$content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -43468,9 +43468,9 @@ public function getReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id, $rec
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReceiptAttachmentByFileNameAsync($xero_tenant_id, $receipt_id, $file_name, $content_type)
+    public function getReceiptAttachmentByFileNameAsync($xero_tenant_id$receipt_id$file_name$content_type)
     {
-        return $this->getReceiptAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $file_name, $content_type)
+        return $this->getReceiptAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$receipt_id$file_name$content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -43486,10 +43486,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReceiptAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $file_name, $content_type)
+    public function getReceiptAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$receipt_id$file_name$content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getReceiptAttachmentByFileNameRequest($xero_tenant_id, $receipt_id, $file_name, $content_type);
+        $request = $this->getReceiptAttachmentByFileNameRequest($xero_tenant_id$receipt_id$file_name$content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -43531,7 +43531,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReceiptAttachmentByFileNameRequest($xero_tenant_id, $receipt_id, $file_name, $content_type)
+    protected function getReceiptAttachmentByFileNameRequest($xero_tenant_id$receipt_id$file_name$content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -43658,9 +43658,9 @@ protected function getReceiptAttachmentByFileNameRequest($xero_tenant_id, $recei
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getReceiptAttachmentById($xero_tenant_id, $receipt_id, $attachment_id, $content_type)
+    public function getReceiptAttachmentById($xero_tenant_id$receipt_id$attachment_id$content_type)
     {
-        list($response) = $this->getReceiptAttachmentByIdWithHttpInfo($xero_tenant_id, $receipt_id, $attachment_id, $content_type);
+        list($response) = $this->getReceiptAttachmentByIdWithHttpInfo($xero_tenant_id$receipt_id$attachment_id$content_type);
         return $response;
     }
     /**
@@ -43674,9 +43674,9 @@ public function getReceiptAttachmentById($xero_tenant_id, $receipt_id, $attachme
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReceiptAttachmentByIdWithHttpInfo($xero_tenant_id, $receipt_id, $attachment_id, $content_type)
+    public function getReceiptAttachmentByIdWithHttpInfo($xero_tenant_id$receipt_id$attachment_id$content_type)
     {
-        $request = $this->getReceiptAttachmentByIdRequest($xero_tenant_id, $receipt_id, $attachment_id, $content_type);
+        $request = $this->getReceiptAttachmentByIdRequest($xero_tenant_id$receipt_id$attachment_id$content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -43752,9 +43752,9 @@ public function getReceiptAttachmentByIdWithHttpInfo($xero_tenant_id, $receipt_i
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReceiptAttachmentByIdAsync($xero_tenant_id, $receipt_id, $attachment_id, $content_type)
+    public function getReceiptAttachmentByIdAsync($xero_tenant_id$receipt_id$attachment_id$content_type)
     {
-        return $this->getReceiptAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $attachment_id, $content_type)
+        return $this->getReceiptAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$receipt_id$attachment_id$content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -43770,10 +43770,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReceiptAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $attachment_id, $content_type)
+    public function getReceiptAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$receipt_id$attachment_id$content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getReceiptAttachmentByIdRequest($xero_tenant_id, $receipt_id, $attachment_id, $content_type);
+        $request = $this->getReceiptAttachmentByIdRequest($xero_tenant_id$receipt_id$attachment_id$content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -43815,7 +43815,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReceiptAttachmentByIdRequest($xero_tenant_id, $receipt_id, $attachment_id, $content_type)
+    protected function getReceiptAttachmentByIdRequest($xero_tenant_id$receipt_id$attachment_id$content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -43940,9 +43940,9 @@ protected function getReceiptAttachmentByIdRequest($xero_tenant_id, $receipt_id,
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments
      */
-    public function getReceiptAttachments($xero_tenant_id, $receipt_id)
+    public function getReceiptAttachments($xero_tenant_id$receipt_id)
     {
-        list($response) = $this->getReceiptAttachmentsWithHttpInfo($xero_tenant_id, $receipt_id);
+        list($response) = $this->getReceiptAttachmentsWithHttpInfo($xero_tenant_id$receipt_id);
         return $response;
     }
     /**
@@ -43954,9 +43954,9 @@ public function getReceiptAttachments($xero_tenant_id, $receipt_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReceiptAttachmentsWithHttpInfo($xero_tenant_id, $receipt_id)
+    public function getReceiptAttachmentsWithHttpInfo($xero_tenant_id$receipt_id)
     {
-        $request = $this->getReceiptAttachmentsRequest($xero_tenant_id, $receipt_id);
+        $request = $this->getReceiptAttachmentsRequest($xero_tenant_id$receipt_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -44030,9 +44030,9 @@ public function getReceiptAttachmentsWithHttpInfo($xero_tenant_id, $receipt_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReceiptAttachmentsAsync($xero_tenant_id, $receipt_id)
+    public function getReceiptAttachmentsAsync($xero_tenant_id$receipt_id)
     {
-        return $this->getReceiptAttachmentsAsyncWithHttpInfo($xero_tenant_id, $receipt_id)
+        return $this->getReceiptAttachmentsAsyncWithHttpInfo($xero_tenant_id$receipt_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -44046,10 +44046,10 @@ function ($response) {
      * @param  string $receipt_id Unique identifier for a Receipt (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReceiptAttachmentsAsyncWithHttpInfo($xero_tenant_id, $receipt_id)
+    public function getReceiptAttachmentsAsyncWithHttpInfo($xero_tenant_id$receipt_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->getReceiptAttachmentsRequest($xero_tenant_id, $receipt_id);
+        $request = $this->getReceiptAttachmentsRequest($xero_tenant_id$receipt_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -44089,7 +44089,7 @@ function ($exception) {
      * @param  string $receipt_id Unique identifier for a Receipt (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReceiptAttachmentsRequest($xero_tenant_id, $receipt_id)
+    protected function getReceiptAttachmentsRequest($xero_tenant_id$receipt_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -44190,9 +44190,9 @@ protected function getReceiptAttachmentsRequest($xero_tenant_id, $receipt_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getReceiptHistory($xero_tenant_id, $receipt_id)
+    public function getReceiptHistory($xero_tenant_id$receipt_id)
     {
-        list($response) = $this->getReceiptHistoryWithHttpInfo($xero_tenant_id, $receipt_id);
+        list($response) = $this->getReceiptHistoryWithHttpInfo($xero_tenant_id$receipt_id);
         return $response;
     }
     /**
@@ -44204,9 +44204,9 @@ public function getReceiptHistory($xero_tenant_id, $receipt_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReceiptHistoryWithHttpInfo($xero_tenant_id, $receipt_id)
+    public function getReceiptHistoryWithHttpInfo($xero_tenant_id$receipt_id)
     {
-        $request = $this->getReceiptHistoryRequest($xero_tenant_id, $receipt_id);
+        $request = $this->getReceiptHistoryRequest($xero_tenant_id$receipt_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -44280,9 +44280,9 @@ public function getReceiptHistoryWithHttpInfo($xero_tenant_id, $receipt_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReceiptHistoryAsync($xero_tenant_id, $receipt_id)
+    public function getReceiptHistoryAsync($xero_tenant_id$receipt_id)
     {
-        return $this->getReceiptHistoryAsyncWithHttpInfo($xero_tenant_id, $receipt_id)
+        return $this->getReceiptHistoryAsyncWithHttpInfo($xero_tenant_id$receipt_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -44296,10 +44296,10 @@ function ($response) {
      * @param  string $receipt_id Unique identifier for a Receipt (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReceiptHistoryAsyncWithHttpInfo($xero_tenant_id, $receipt_id)
+    public function getReceiptHistoryAsyncWithHttpInfo($xero_tenant_id$receipt_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getReceiptHistoryRequest($xero_tenant_id, $receipt_id);
+        $request = $this->getReceiptHistoryRequest($xero_tenant_id$receipt_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -44339,7 +44339,7 @@ function ($exception) {
      * @param  string $receipt_id Unique identifier for a Receipt (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReceiptHistoryRequest($xero_tenant_id, $receipt_id)
+    protected function getReceiptHistoryRequest($xero_tenant_id$receipt_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -44443,9 +44443,9 @@ protected function getReceiptHistoryRequest($xero_tenant_id, $receipt_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Receipts
      */
-    public function getReceipts($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $unitdp = null)
+    public function getReceipts($xero_tenant_id$if_modified_since = null$where = null$order = null$unitdp = null)
     {
-        list($response) = $this->getReceiptsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $unitdp);
+        list($response) = $this->getReceiptsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$unitdp);
         return $response;
     }
     /**
@@ -44460,9 +44460,9 @@ public function getReceipts($xero_tenant_id, $if_modified_since = null, $where =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Receipts, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReceiptsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $unitdp = null)
+    public function getReceiptsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$unitdp = null)
     {
-        $request = $this->getReceiptsRequest($xero_tenant_id, $if_modified_since, $where, $order, $unitdp);
+        $request = $this->getReceiptsRequest($xero_tenant_id$if_modified_since$where$order$unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -44539,9 +44539,9 @@ public function getReceiptsWithHttpInfo($xero_tenant_id, $if_modified_since = nu
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReceiptsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $unitdp = null)
+    public function getReceiptsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$unitdp = null)
     {
-        return $this->getReceiptsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $unitdp)
+        return $this->getReceiptsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -44558,10 +44558,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReceiptsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $unitdp = null)
+    public function getReceiptsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Receipts';
-        $request = $this->getReceiptsRequest($xero_tenant_id, $if_modified_since, $where, $order, $unitdp);
+        $request = $this->getReceiptsRequest($xero_tenant_id$if_modified_since$where$order$unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -44604,7 +44604,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReceiptsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $unitdp = null)
+    protected function getReceiptsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -44707,9 +44707,9 @@ protected function getReceiptsRequest($xero_tenant_id, $if_modified_since = null
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\RepeatingInvoices
      */
-    public function getRepeatingInvoice($xero_tenant_id, $repeating_invoice_id)
+    public function getRepeatingInvoice($xero_tenant_id$repeating_invoice_id)
     {
-        list($response) = $this->getRepeatingInvoiceWithHttpInfo($xero_tenant_id, $repeating_invoice_id);
+        list($response) = $this->getRepeatingInvoiceWithHttpInfo($xero_tenant_id$repeating_invoice_id);
         return $response;
     }
     /**
@@ -44721,9 +44721,9 @@ public function getRepeatingInvoice($xero_tenant_id, $repeating_invoice_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\RepeatingInvoices, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getRepeatingInvoiceWithHttpInfo($xero_tenant_id, $repeating_invoice_id)
+    public function getRepeatingInvoiceWithHttpInfo($xero_tenant_id$repeating_invoice_id)
     {
-        $request = $this->getRepeatingInvoiceRequest($xero_tenant_id, $repeating_invoice_id);
+        $request = $this->getRepeatingInvoiceRequest($xero_tenant_id$repeating_invoice_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -44797,9 +44797,9 @@ public function getRepeatingInvoiceWithHttpInfo($xero_tenant_id, $repeating_invo
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getRepeatingInvoiceAsync($xero_tenant_id, $repeating_invoice_id)
+    public function getRepeatingInvoiceAsync($xero_tenant_id$repeating_invoice_id)
     {
-        return $this->getRepeatingInvoiceAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id)
+        return $this->getRepeatingInvoiceAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -44813,10 +44813,10 @@ function ($response) {
      * @param  string $repeating_invoice_id Unique identifier for a Repeating Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getRepeatingInvoiceAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id)
+    public function getRepeatingInvoiceAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\RepeatingInvoices';
-        $request = $this->getRepeatingInvoiceRequest($xero_tenant_id, $repeating_invoice_id);
+        $request = $this->getRepeatingInvoiceRequest($xero_tenant_id$repeating_invoice_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -44856,7 +44856,7 @@ function ($exception) {
      * @param  string $repeating_invoice_id Unique identifier for a Repeating Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getRepeatingInvoiceRequest($xero_tenant_id, $repeating_invoice_id)
+    protected function getRepeatingInvoiceRequest($xero_tenant_id$repeating_invoice_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -44959,9 +44959,9 @@ protected function getRepeatingInvoiceRequest($xero_tenant_id, $repeating_invoic
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getRepeatingInvoiceAttachmentByFileName($xero_tenant_id, $repeating_invoice_id, $file_name, $content_type)
+    public function getRepeatingInvoiceAttachmentByFileName($xero_tenant_id$repeating_invoice_id$file_name$content_type)
     {
-        list($response) = $this->getRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $file_name, $content_type);
+        list($response) = $this->getRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id$repeating_invoice_id$file_name$content_type);
         return $response;
     }
     /**
@@ -44975,9 +44975,9 @@ public function getRepeatingInvoiceAttachmentByFileName($xero_tenant_id, $repeat
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $file_name, $content_type)
+    public function getRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id$repeating_invoice_id$file_name$content_type)
     {
-        $request = $this->getRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id, $repeating_invoice_id, $file_name, $content_type);
+        $request = $this->getRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id$repeating_invoice_id$file_name$content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -45053,9 +45053,9 @@ public function getRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getRepeatingInvoiceAttachmentByFileNameAsync($xero_tenant_id, $repeating_invoice_id, $file_name, $content_type)
+    public function getRepeatingInvoiceAttachmentByFileNameAsync($xero_tenant_id$repeating_invoice_id$file_name$content_type)
     {
-        return $this->getRepeatingInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $file_name, $content_type)
+        return $this->getRepeatingInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id$file_name$content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -45071,10 +45071,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getRepeatingInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $file_name, $content_type)
+    public function getRepeatingInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id$file_name$content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id, $repeating_invoice_id, $file_name, $content_type);
+        $request = $this->getRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id$repeating_invoice_id$file_name$content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -45116,7 +45116,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id, $repeating_invoice_id, $file_name, $content_type)
+    protected function getRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id$repeating_invoice_id$file_name$content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -45243,9 +45243,9 @@ protected function getRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_i
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getRepeatingInvoiceAttachmentById($xero_tenant_id, $repeating_invoice_id, $attachment_id, $content_type)
+    public function getRepeatingInvoiceAttachmentById($xero_tenant_id$repeating_invoice_id$attachment_id$content_type)
     {
-        list($response) = $this->getRepeatingInvoiceAttachmentByIdWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $attachment_id, $content_type);
+        list($response) = $this->getRepeatingInvoiceAttachmentByIdWithHttpInfo($xero_tenant_id$repeating_invoice_id$attachment_id$content_type);
         return $response;
     }
     /**
@@ -45259,9 +45259,9 @@ public function getRepeatingInvoiceAttachmentById($xero_tenant_id, $repeating_in
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getRepeatingInvoiceAttachmentByIdWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $attachment_id, $content_type)
+    public function getRepeatingInvoiceAttachmentByIdWithHttpInfo($xero_tenant_id$repeating_invoice_id$attachment_id$content_type)
     {
-        $request = $this->getRepeatingInvoiceAttachmentByIdRequest($xero_tenant_id, $repeating_invoice_id, $attachment_id, $content_type);
+        $request = $this->getRepeatingInvoiceAttachmentByIdRequest($xero_tenant_id$repeating_invoice_id$attachment_id$content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -45337,9 +45337,9 @@ public function getRepeatingInvoiceAttachmentByIdWithHttpInfo($xero_tenant_id, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getRepeatingInvoiceAttachmentByIdAsync($xero_tenant_id, $repeating_invoice_id, $attachment_id, $content_type)
+    public function getRepeatingInvoiceAttachmentByIdAsync($xero_tenant_id$repeating_invoice_id$attachment_id$content_type)
     {
-        return $this->getRepeatingInvoiceAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $attachment_id, $content_type)
+        return $this->getRepeatingInvoiceAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id$attachment_id$content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -45355,10 +45355,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getRepeatingInvoiceAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $attachment_id, $content_type)
+    public function getRepeatingInvoiceAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id$attachment_id$content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getRepeatingInvoiceAttachmentByIdRequest($xero_tenant_id, $repeating_invoice_id, $attachment_id, $content_type);
+        $request = $this->getRepeatingInvoiceAttachmentByIdRequest($xero_tenant_id$repeating_invoice_id$attachment_id$content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -45400,7 +45400,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getRepeatingInvoiceAttachmentByIdRequest($xero_tenant_id, $repeating_invoice_id, $attachment_id, $content_type)
+    protected function getRepeatingInvoiceAttachmentByIdRequest($xero_tenant_id$repeating_invoice_id$attachment_id$content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -45525,9 +45525,9 @@ protected function getRepeatingInvoiceAttachmentByIdRequest($xero_tenant_id, $re
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments
      */
-    public function getRepeatingInvoiceAttachments($xero_tenant_id, $repeating_invoice_id)
+    public function getRepeatingInvoiceAttachments($xero_tenant_id$repeating_invoice_id)
     {
-        list($response) = $this->getRepeatingInvoiceAttachmentsWithHttpInfo($xero_tenant_id, $repeating_invoice_id);
+        list($response) = $this->getRepeatingInvoiceAttachmentsWithHttpInfo($xero_tenant_id$repeating_invoice_id);
         return $response;
     }
     /**
@@ -45539,9 +45539,9 @@ public function getRepeatingInvoiceAttachments($xero_tenant_id, $repeating_invoi
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getRepeatingInvoiceAttachmentsWithHttpInfo($xero_tenant_id, $repeating_invoice_id)
+    public function getRepeatingInvoiceAttachmentsWithHttpInfo($xero_tenant_id$repeating_invoice_id)
     {
-        $request = $this->getRepeatingInvoiceAttachmentsRequest($xero_tenant_id, $repeating_invoice_id);
+        $request = $this->getRepeatingInvoiceAttachmentsRequest($xero_tenant_id$repeating_invoice_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -45615,9 +45615,9 @@ public function getRepeatingInvoiceAttachmentsWithHttpInfo($xero_tenant_id, $rep
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getRepeatingInvoiceAttachmentsAsync($xero_tenant_id, $repeating_invoice_id)
+    public function getRepeatingInvoiceAttachmentsAsync($xero_tenant_id$repeating_invoice_id)
     {
-        return $this->getRepeatingInvoiceAttachmentsAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id)
+        return $this->getRepeatingInvoiceAttachmentsAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -45631,10 +45631,10 @@ function ($response) {
      * @param  string $repeating_invoice_id Unique identifier for a Repeating Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getRepeatingInvoiceAttachmentsAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id)
+    public function getRepeatingInvoiceAttachmentsAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->getRepeatingInvoiceAttachmentsRequest($xero_tenant_id, $repeating_invoice_id);
+        $request = $this->getRepeatingInvoiceAttachmentsRequest($xero_tenant_id$repeating_invoice_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -45674,7 +45674,7 @@ function ($exception) {
      * @param  string $repeating_invoice_id Unique identifier for a Repeating Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getRepeatingInvoiceAttachmentsRequest($xero_tenant_id, $repeating_invoice_id)
+    protected function getRepeatingInvoiceAttachmentsRequest($xero_tenant_id$repeating_invoice_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -45775,9 +45775,9 @@ protected function getRepeatingInvoiceAttachmentsRequest($xero_tenant_id, $repea
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getRepeatingInvoiceHistory($xero_tenant_id, $repeating_invoice_id)
+    public function getRepeatingInvoiceHistory($xero_tenant_id$repeating_invoice_id)
     {
-        list($response) = $this->getRepeatingInvoiceHistoryWithHttpInfo($xero_tenant_id, $repeating_invoice_id);
+        list($response) = $this->getRepeatingInvoiceHistoryWithHttpInfo($xero_tenant_id$repeating_invoice_id);
         return $response;
     }
     /**
@@ -45789,9 +45789,9 @@ public function getRepeatingInvoiceHistory($xero_tenant_id, $repeating_invoice_i
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getRepeatingInvoiceHistoryWithHttpInfo($xero_tenant_id, $repeating_invoice_id)
+    public function getRepeatingInvoiceHistoryWithHttpInfo($xero_tenant_id$repeating_invoice_id)
     {
-        $request = $this->getRepeatingInvoiceHistoryRequest($xero_tenant_id, $repeating_invoice_id);
+        $request = $this->getRepeatingInvoiceHistoryRequest($xero_tenant_id$repeating_invoice_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -45865,9 +45865,9 @@ public function getRepeatingInvoiceHistoryWithHttpInfo($xero_tenant_id, $repeati
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getRepeatingInvoiceHistoryAsync($xero_tenant_id, $repeating_invoice_id)
+    public function getRepeatingInvoiceHistoryAsync($xero_tenant_id$repeating_invoice_id)
     {
-        return $this->getRepeatingInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id)
+        return $this->getRepeatingInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -45881,10 +45881,10 @@ function ($response) {
      * @param  string $repeating_invoice_id Unique identifier for a Repeating Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getRepeatingInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id)
+    public function getRepeatingInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getRepeatingInvoiceHistoryRequest($xero_tenant_id, $repeating_invoice_id);
+        $request = $this->getRepeatingInvoiceHistoryRequest($xero_tenant_id$repeating_invoice_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -45924,7 +45924,7 @@ function ($exception) {
      * @param  string $repeating_invoice_id Unique identifier for a Repeating Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getRepeatingInvoiceHistoryRequest($xero_tenant_id, $repeating_invoice_id)
+    protected function getRepeatingInvoiceHistoryRequest($xero_tenant_id$repeating_invoice_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -46026,9 +46026,9 @@ protected function getRepeatingInvoiceHistoryRequest($xero_tenant_id, $repeating
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\RepeatingInvoices
      */
-    public function getRepeatingInvoices($xero_tenant_id, $where = null, $order = null)
+    public function getRepeatingInvoices($xero_tenant_id$where = null$order = null)
     {
-        list($response) = $this->getRepeatingInvoicesWithHttpInfo($xero_tenant_id, $where, $order);
+        list($response) = $this->getRepeatingInvoicesWithHttpInfo($xero_tenant_id$where$order);
         return $response;
     }
     /**
@@ -46041,9 +46041,9 @@ public function getRepeatingInvoices($xero_tenant_id, $where = null, $order = nu
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\RepeatingInvoices, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getRepeatingInvoicesWithHttpInfo($xero_tenant_id, $where = null, $order = null)
+    public function getRepeatingInvoicesWithHttpInfo($xero_tenant_id$where = null$order = null)
     {
-        $request = $this->getRepeatingInvoicesRequest($xero_tenant_id, $where, $order);
+        $request = $this->getRepeatingInvoicesRequest($xero_tenant_id$where$order);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -46118,9 +46118,9 @@ public function getRepeatingInvoicesWithHttpInfo($xero_tenant_id, $where = null,
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getRepeatingInvoicesAsync($xero_tenant_id, $where = null, $order = null)
+    public function getRepeatingInvoicesAsync($xero_tenant_id$where = null$order = null)
     {
-        return $this->getRepeatingInvoicesAsyncWithHttpInfo($xero_tenant_id, $where, $order)
+        return $this->getRepeatingInvoicesAsyncWithHttpInfo($xero_tenant_id$where$order)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -46135,10 +46135,10 @@ function ($response) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getRepeatingInvoicesAsyncWithHttpInfo($xero_tenant_id, $where = null, $order = null)
+    public function getRepeatingInvoicesAsyncWithHttpInfo($xero_tenant_id$where = null$order = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\RepeatingInvoices';
-        $request = $this->getRepeatingInvoicesRequest($xero_tenant_id, $where, $order);
+        $request = $this->getRepeatingInvoicesRequest($xero_tenant_id$where$order);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -46179,7 +46179,7 @@ function ($exception) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getRepeatingInvoicesRequest($xero_tenant_id, $where = null, $order = null)
+    protected function getRepeatingInvoicesRequest($xero_tenant_id$where = null$order = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -46277,9 +46277,9 @@ protected function getRepeatingInvoicesRequest($xero_tenant_id, $where = null, $
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows
      */
-    public function getReportAgedPayablesByContact($xero_tenant_id, $contact_id, $date = null, $from_date = null, $to_date = null)
+    public function getReportAgedPayablesByContact($xero_tenant_id$contact_id$date = null$from_date = null$to_date = null)
     {
-        list($response) = $this->getReportAgedPayablesByContactWithHttpInfo($xero_tenant_id, $contact_id, $date, $from_date, $to_date);
+        list($response) = $this->getReportAgedPayablesByContactWithHttpInfo($xero_tenant_id$contact_id$date$from_date$to_date);
         return $response;
     }
     /**
@@ -46294,9 +46294,9 @@ public function getReportAgedPayablesByContact($xero_tenant_id, $contact_id, $da
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReportAgedPayablesByContactWithHttpInfo($xero_tenant_id, $contact_id, $date = null, $from_date = null, $to_date = null)
+    public function getReportAgedPayablesByContactWithHttpInfo($xero_tenant_id$contact_id$date = null$from_date = null$to_date = null)
     {
-        $request = $this->getReportAgedPayablesByContactRequest($xero_tenant_id, $contact_id, $date, $from_date, $to_date);
+        $request = $this->getReportAgedPayablesByContactRequest($xero_tenant_id$contact_id$date$from_date$to_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -46373,9 +46373,9 @@ public function getReportAgedPayablesByContactWithHttpInfo($xero_tenant_id, $con
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReportAgedPayablesByContactAsync($xero_tenant_id, $contact_id, $date = null, $from_date = null, $to_date = null)
+    public function getReportAgedPayablesByContactAsync($xero_tenant_id$contact_id$date = null$from_date = null$to_date = null)
     {
-        return $this->getReportAgedPayablesByContactAsyncWithHttpInfo($xero_tenant_id, $contact_id, $date, $from_date, $to_date)
+        return $this->getReportAgedPayablesByContactAsyncWithHttpInfo($xero_tenant_id$contact_id$date$from_date$to_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -46392,10 +46392,10 @@ function ($response) {
      * @param  \DateTime $to_date filter by the to date of the report e.g. 2021-02-28 (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReportAgedPayablesByContactAsyncWithHttpInfo($xero_tenant_id, $contact_id, $date = null, $from_date = null, $to_date = null)
+    public function getReportAgedPayablesByContactAsyncWithHttpInfo($xero_tenant_id$contact_id$date = null$from_date = null$to_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ReportWithRows';
-        $request = $this->getReportAgedPayablesByContactRequest($xero_tenant_id, $contact_id, $date, $from_date, $to_date);
+        $request = $this->getReportAgedPayablesByContactRequest($xero_tenant_id$contact_id$date$from_date$to_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -46438,7 +46438,7 @@ function ($exception) {
      * @param  \DateTime $to_date filter by the to date of the report e.g. 2021-02-28 (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReportAgedPayablesByContactRequest($xero_tenant_id, $contact_id, $date = null, $from_date = null, $to_date = null)
+    protected function getReportAgedPayablesByContactRequest($xero_tenant_id$contact_id$date = null$from_date = null$to_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -46550,9 +46550,9 @@ protected function getReportAgedPayablesByContactRequest($xero_tenant_id, $conta
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows
      */
-    public function getReportAgedReceivablesByContact($xero_tenant_id, $contact_id, $date = null, $from_date = null, $to_date = null)
+    public function getReportAgedReceivablesByContact($xero_tenant_id$contact_id$date = null$from_date = null$to_date = null)
     {
-        list($response) = $this->getReportAgedReceivablesByContactWithHttpInfo($xero_tenant_id, $contact_id, $date, $from_date, $to_date);
+        list($response) = $this->getReportAgedReceivablesByContactWithHttpInfo($xero_tenant_id$contact_id$date$from_date$to_date);
         return $response;
     }
     /**
@@ -46567,9 +46567,9 @@ public function getReportAgedReceivablesByContact($xero_tenant_id, $contact_id,
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReportAgedReceivablesByContactWithHttpInfo($xero_tenant_id, $contact_id, $date = null, $from_date = null, $to_date = null)
+    public function getReportAgedReceivablesByContactWithHttpInfo($xero_tenant_id$contact_id$date = null$from_date = null$to_date = null)
     {
-        $request = $this->getReportAgedReceivablesByContactRequest($xero_tenant_id, $contact_id, $date, $from_date, $to_date);
+        $request = $this->getReportAgedReceivablesByContactRequest($xero_tenant_id$contact_id$date$from_date$to_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -46646,9 +46646,9 @@ public function getReportAgedReceivablesByContactWithHttpInfo($xero_tenant_id, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReportAgedReceivablesByContactAsync($xero_tenant_id, $contact_id, $date = null, $from_date = null, $to_date = null)
+    public function getReportAgedReceivablesByContactAsync($xero_tenant_id$contact_id$date = null$from_date = null$to_date = null)
     {
-        return $this->getReportAgedReceivablesByContactAsyncWithHttpInfo($xero_tenant_id, $contact_id, $date, $from_date, $to_date)
+        return $this->getReportAgedReceivablesByContactAsyncWithHttpInfo($xero_tenant_id$contact_id$date$from_date$to_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -46665,10 +46665,10 @@ function ($response) {
      * @param  \DateTime $to_date filter by the to date of the report e.g. 2021-02-28 (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReportAgedReceivablesByContactAsyncWithHttpInfo($xero_tenant_id, $contact_id, $date = null, $from_date = null, $to_date = null)
+    public function getReportAgedReceivablesByContactAsyncWithHttpInfo($xero_tenant_id$contact_id$date = null$from_date = null$to_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ReportWithRows';
-        $request = $this->getReportAgedReceivablesByContactRequest($xero_tenant_id, $contact_id, $date, $from_date, $to_date);
+        $request = $this->getReportAgedReceivablesByContactRequest($xero_tenant_id$contact_id$date$from_date$to_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -46711,7 +46711,7 @@ function ($exception) {
      * @param  \DateTime $to_date filter by the to date of the report e.g. 2021-02-28 (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReportAgedReceivablesByContactRequest($xero_tenant_id, $contact_id, $date = null, $from_date = null, $to_date = null)
+    protected function getReportAgedReceivablesByContactRequest($xero_tenant_id$contact_id$date = null$from_date = null$to_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -46826,9 +46826,9 @@ protected function getReportAgedReceivablesByContactRequest($xero_tenant_id, $co
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows
      */
-    public function getReportBalanceSheet($xero_tenant_id, $date = null, $periods = null, $timeframe = null, $tracking_option_id1 = null, $tracking_option_id2 = null, $standard_layout = null, $payments_only = null)
+    public function getReportBalanceSheet($xero_tenant_id$date = null$periods = null$timeframe = null$tracking_option_id1 = null$tracking_option_id2 = null$standard_layout = null$payments_only = null)
     {
-        list($response) = $this->getReportBalanceSheetWithHttpInfo($xero_tenant_id, $date, $periods, $timeframe, $tracking_option_id1, $tracking_option_id2, $standard_layout, $payments_only);
+        list($response) = $this->getReportBalanceSheetWithHttpInfo($xero_tenant_id$date$periods$timeframe$tracking_option_id1$tracking_option_id2$standard_layout$payments_only);
         return $response;
     }
     /**
@@ -46846,9 +46846,9 @@ public function getReportBalanceSheet($xero_tenant_id, $date = null, $periods =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReportBalanceSheetWithHttpInfo($xero_tenant_id, $date = null, $periods = null, $timeframe = null, $tracking_option_id1 = null, $tracking_option_id2 = null, $standard_layout = null, $payments_only = null)
+    public function getReportBalanceSheetWithHttpInfo($xero_tenant_id$date = null$periods = null$timeframe = null$tracking_option_id1 = null$tracking_option_id2 = null$standard_layout = null$payments_only = null)
     {
-        $request = $this->getReportBalanceSheetRequest($xero_tenant_id, $date, $periods, $timeframe, $tracking_option_id1, $tracking_option_id2, $standard_layout, $payments_only);
+        $request = $this->getReportBalanceSheetRequest($xero_tenant_id$date$periods$timeframe$tracking_option_id1$tracking_option_id2$standard_layout$payments_only);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -46928,9 +46928,9 @@ public function getReportBalanceSheetWithHttpInfo($xero_tenant_id, $date = null,
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReportBalanceSheetAsync($xero_tenant_id, $date = null, $periods = null, $timeframe = null, $tracking_option_id1 = null, $tracking_option_id2 = null, $standard_layout = null, $payments_only = null)
+    public function getReportBalanceSheetAsync($xero_tenant_id$date = null$periods = null$timeframe = null$tracking_option_id1 = null$tracking_option_id2 = null$standard_layout = null$payments_only = null)
     {
-        return $this->getReportBalanceSheetAsyncWithHttpInfo($xero_tenant_id, $date, $periods, $timeframe, $tracking_option_id1, $tracking_option_id2, $standard_layout, $payments_only)
+        return $this->getReportBalanceSheetAsyncWithHttpInfo($xero_tenant_id$date$periods$timeframe$tracking_option_id1$tracking_option_id2$standard_layout$payments_only)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -46950,10 +46950,10 @@ function ($response) {
      * @param  bool $payments_only return a cash basis for the Balance Sheet report (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReportBalanceSheetAsyncWithHttpInfo($xero_tenant_id, $date = null, $periods = null, $timeframe = null, $tracking_option_id1 = null, $tracking_option_id2 = null, $standard_layout = null, $payments_only = null)
+    public function getReportBalanceSheetAsyncWithHttpInfo($xero_tenant_id$date = null$periods = null$timeframe = null$tracking_option_id1 = null$tracking_option_id2 = null$standard_layout = null$payments_only = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ReportWithRows';
-        $request = $this->getReportBalanceSheetRequest($xero_tenant_id, $date, $periods, $timeframe, $tracking_option_id1, $tracking_option_id2, $standard_layout, $payments_only);
+        $request = $this->getReportBalanceSheetRequest($xero_tenant_id$date$periods$timeframe$tracking_option_id1$tracking_option_id2$standard_layout$payments_only);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -46999,7 +46999,7 @@ function ($exception) {
      * @param  bool $payments_only return a cash basis for the Balance Sheet report (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReportBalanceSheetRequest($xero_tenant_id, $date = null, $periods = null, $timeframe = null, $tracking_option_id1 = null, $tracking_option_id2 = null, $standard_layout = null, $payments_only = null)
+    protected function getReportBalanceSheetRequest($xero_tenant_id$date = null$periods = null$timeframe = null$tracking_option_id1 = null$tracking_option_id2 = null$standard_layout = null$payments_only = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -47115,9 +47115,9 @@ protected function getReportBalanceSheetRequest($xero_tenant_id, $date = null, $
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows
      */
-    public function getReportBankSummary($xero_tenant_id, $from_date = null, $to_date = null)
+    public function getReportBankSummary($xero_tenant_id$from_date = null$to_date = null)
     {
-        list($response) = $this->getReportBankSummaryWithHttpInfo($xero_tenant_id, $from_date, $to_date);
+        list($response) = $this->getReportBankSummaryWithHttpInfo($xero_tenant_id$from_date$to_date);
         return $response;
     }
     /**
@@ -47130,9 +47130,9 @@ public function getReportBankSummary($xero_tenant_id, $from_date = null, $to_dat
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReportBankSummaryWithHttpInfo($xero_tenant_id, $from_date = null, $to_date = null)
+    public function getReportBankSummaryWithHttpInfo($xero_tenant_id$from_date = null$to_date = null)
     {
-        $request = $this->getReportBankSummaryRequest($xero_tenant_id, $from_date, $to_date);
+        $request = $this->getReportBankSummaryRequest($xero_tenant_id$from_date$to_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -47207,9 +47207,9 @@ public function getReportBankSummaryWithHttpInfo($xero_tenant_id, $from_date = n
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReportBankSummaryAsync($xero_tenant_id, $from_date = null, $to_date = null)
+    public function getReportBankSummaryAsync($xero_tenant_id$from_date = null$to_date = null)
     {
-        return $this->getReportBankSummaryAsyncWithHttpInfo($xero_tenant_id, $from_date, $to_date)
+        return $this->getReportBankSummaryAsyncWithHttpInfo($xero_tenant_id$from_date$to_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -47224,10 +47224,10 @@ function ($response) {
      * @param  \DateTime $to_date filter by the to date of the report e.g. 2021-02-28 (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReportBankSummaryAsyncWithHttpInfo($xero_tenant_id, $from_date = null, $to_date = null)
+    public function getReportBankSummaryAsyncWithHttpInfo($xero_tenant_id$from_date = null$to_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ReportWithRows';
-        $request = $this->getReportBankSummaryRequest($xero_tenant_id, $from_date, $to_date);
+        $request = $this->getReportBankSummaryRequest($xero_tenant_id$from_date$to_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -47268,7 +47268,7 @@ function ($exception) {
      * @param  \DateTime $to_date filter by the to date of the report e.g. 2021-02-28 (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReportBankSummaryRequest($xero_tenant_id, $from_date = null, $to_date = null)
+    protected function getReportBankSummaryRequest($xero_tenant_id$from_date = null$to_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -47365,9 +47365,9 @@ protected function getReportBankSummaryRequest($xero_tenant_id, $from_date = nul
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows
      */
-    public function getReportBudgetSummary($xero_tenant_id, $date = null, $periods = null, $timeframe = null)
+    public function getReportBudgetSummary($xero_tenant_id$date = null$periods = null$timeframe = null)
     {
-        list($response) = $this->getReportBudgetSummaryWithHttpInfo($xero_tenant_id, $date, $periods, $timeframe);
+        list($response) = $this->getReportBudgetSummaryWithHttpInfo($xero_tenant_id$date$periods$timeframe);
         return $response;
     }
     /**
@@ -47381,9 +47381,9 @@ public function getReportBudgetSummary($xero_tenant_id, $date = null, $periods =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReportBudgetSummaryWithHttpInfo($xero_tenant_id, $date = null, $periods = null, $timeframe = null)
+    public function getReportBudgetSummaryWithHttpInfo($xero_tenant_id$date = null$periods = null$timeframe = null)
     {
-        $request = $this->getReportBudgetSummaryRequest($xero_tenant_id, $date, $periods, $timeframe);
+        $request = $this->getReportBudgetSummaryRequest($xero_tenant_id$date$periods$timeframe);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -47459,9 +47459,9 @@ public function getReportBudgetSummaryWithHttpInfo($xero_tenant_id, $date = null
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReportBudgetSummaryAsync($xero_tenant_id, $date = null, $periods = null, $timeframe = null)
+    public function getReportBudgetSummaryAsync($xero_tenant_id$date = null$periods = null$timeframe = null)
     {
-        return $this->getReportBudgetSummaryAsyncWithHttpInfo($xero_tenant_id, $date, $periods, $timeframe)
+        return $this->getReportBudgetSummaryAsyncWithHttpInfo($xero_tenant_id$date$periods$timeframe)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -47477,10 +47477,10 @@ function ($response) {
      * @param  int $timeframe The period size to compare to (1&#x3D;month, 3&#x3D;quarter, 12&#x3D;year) (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReportBudgetSummaryAsyncWithHttpInfo($xero_tenant_id, $date = null, $periods = null, $timeframe = null)
+    public function getReportBudgetSummaryAsyncWithHttpInfo($xero_tenant_id$date = null$periods = null$timeframe = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ReportWithRows';
-        $request = $this->getReportBudgetSummaryRequest($xero_tenant_id, $date, $periods, $timeframe);
+        $request = $this->getReportBudgetSummaryRequest($xero_tenant_id$date$periods$timeframe);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -47522,7 +47522,7 @@ function ($exception) {
      * @param  int $timeframe The period size to compare to (1&#x3D;month, 3&#x3D;quarter, 12&#x3D;year) (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReportBudgetSummaryRequest($xero_tenant_id, $date = null, $periods = null, $timeframe = null)
+    protected function getReportBudgetSummaryRequest($xero_tenant_id$date = null$periods = null$timeframe = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -47621,9 +47621,9 @@ protected function getReportBudgetSummaryRequest($xero_tenant_id, $date = null,
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows
      */
-    public function getReportExecutiveSummary($xero_tenant_id, $date = null)
+    public function getReportExecutiveSummary($xero_tenant_id$date = null)
     {
-        list($response) = $this->getReportExecutiveSummaryWithHttpInfo($xero_tenant_id, $date);
+        list($response) = $this->getReportExecutiveSummaryWithHttpInfo($xero_tenant_id$date);
         return $response;
     }
     /**
@@ -47635,9 +47635,9 @@ public function getReportExecutiveSummary($xero_tenant_id, $date = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReportExecutiveSummaryWithHttpInfo($xero_tenant_id, $date = null)
+    public function getReportExecutiveSummaryWithHttpInfo($xero_tenant_id$date = null)
     {
-        $request = $this->getReportExecutiveSummaryRequest($xero_tenant_id, $date);
+        $request = $this->getReportExecutiveSummaryRequest($xero_tenant_id$date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -47711,9 +47711,9 @@ public function getReportExecutiveSummaryWithHttpInfo($xero_tenant_id, $date = n
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReportExecutiveSummaryAsync($xero_tenant_id, $date = null)
+    public function getReportExecutiveSummaryAsync($xero_tenant_id$date = null)
     {
-        return $this->getReportExecutiveSummaryAsyncWithHttpInfo($xero_tenant_id, $date)
+        return $this->getReportExecutiveSummaryAsyncWithHttpInfo($xero_tenant_id$date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -47727,10 +47727,10 @@ function ($response) {
      * @param  \DateTime $date The date for the Bank Summary report e.g. 2018-03-31 (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReportExecutiveSummaryAsyncWithHttpInfo($xero_tenant_id, $date = null)
+    public function getReportExecutiveSummaryAsyncWithHttpInfo($xero_tenant_id$date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ReportWithRows';
-        $request = $this->getReportExecutiveSummaryRequest($xero_tenant_id, $date);
+        $request = $this->getReportExecutiveSummaryRequest($xero_tenant_id$date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -47770,7 +47770,7 @@ function ($exception) {
      * @param  \DateTime $date The date for the Bank Summary report e.g. 2018-03-31 (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReportExecutiveSummaryRequest($xero_tenant_id, $date = null)
+    protected function getReportExecutiveSummaryRequest($xero_tenant_id$date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -47861,9 +47861,9 @@ protected function getReportExecutiveSummaryRequest($xero_tenant_id, $date = nul
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows
      */
-    public function getReportFromId($xero_tenant_id, $report_id)
+    public function getReportFromId($xero_tenant_id$report_id)
     {
-        list($response) = $this->getReportFromIdWithHttpInfo($xero_tenant_id, $report_id);
+        list($response) = $this->getReportFromIdWithHttpInfo($xero_tenant_id$report_id);
         return $response;
     }
     /**
@@ -47875,9 +47875,9 @@ public function getReportFromId($xero_tenant_id, $report_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReportFromIdWithHttpInfo($xero_tenant_id, $report_id)
+    public function getReportFromIdWithHttpInfo($xero_tenant_id$report_id)
     {
-        $request = $this->getReportFromIdRequest($xero_tenant_id, $report_id);
+        $request = $this->getReportFromIdRequest($xero_tenant_id$report_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -47951,9 +47951,9 @@ public function getReportFromIdWithHttpInfo($xero_tenant_id, $report_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReportFromIdAsync($xero_tenant_id, $report_id)
+    public function getReportFromIdAsync($xero_tenant_id$report_id)
     {
-        return $this->getReportFromIdAsyncWithHttpInfo($xero_tenant_id, $report_id)
+        return $this->getReportFromIdAsyncWithHttpInfo($xero_tenant_id$report_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -47967,10 +47967,10 @@ function ($response) {
      * @param  string $report_id Unique identifier for a Report (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReportFromIdAsyncWithHttpInfo($xero_tenant_id, $report_id)
+    public function getReportFromIdAsyncWithHttpInfo($xero_tenant_id$report_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ReportWithRows';
-        $request = $this->getReportFromIdRequest($xero_tenant_id, $report_id);
+        $request = $this->getReportFromIdRequest($xero_tenant_id$report_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -48010,7 +48010,7 @@ function ($exception) {
      * @param  string $report_id Unique identifier for a Report (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReportFromIdRequest($xero_tenant_id, $report_id)
+    protected function getReportFromIdRequest($xero_tenant_id$report_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -48120,9 +48120,9 @@ protected function getReportFromIdRequest($xero_tenant_id, $report_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows
      */
-    public function getReportProfitAndLoss($xero_tenant_id, $from_date = null, $to_date = null, $periods = null, $timeframe = null, $tracking_category_id = null, $tracking_category_id2 = null, $tracking_option_id = null, $tracking_option_id2 = null, $standard_layout = null, $payments_only = null)
+    public function getReportProfitAndLoss($xero_tenant_id$from_date = null$to_date = null$periods = null$timeframe = null$tracking_category_id = null$tracking_category_id2 = null$tracking_option_id = null$tracking_option_id2 = null$standard_layout = null$payments_only = null)
     {
-        list($response) = $this->getReportProfitAndLossWithHttpInfo($xero_tenant_id, $from_date, $to_date, $periods, $timeframe, $tracking_category_id, $tracking_category_id2, $tracking_option_id, $tracking_option_id2, $standard_layout, $payments_only);
+        list($response) = $this->getReportProfitAndLossWithHttpInfo($xero_tenant_id$from_date$to_date$periods$timeframe$tracking_category_id$tracking_category_id2$tracking_option_id$tracking_option_id2$standard_layout$payments_only);
         return $response;
     }
     /**
@@ -48143,9 +48143,9 @@ public function getReportProfitAndLoss($xero_tenant_id, $from_date = null, $to_d
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReportProfitAndLossWithHttpInfo($xero_tenant_id, $from_date = null, $to_date = null, $periods = null, $timeframe = null, $tracking_category_id = null, $tracking_category_id2 = null, $tracking_option_id = null, $tracking_option_id2 = null, $standard_layout = null, $payments_only = null)
+    public function getReportProfitAndLossWithHttpInfo($xero_tenant_id$from_date = null$to_date = null$periods = null$timeframe = null$tracking_category_id = null$tracking_category_id2 = null$tracking_option_id = null$tracking_option_id2 = null$standard_layout = null$payments_only = null)
     {
-        $request = $this->getReportProfitAndLossRequest($xero_tenant_id, $from_date, $to_date, $periods, $timeframe, $tracking_category_id, $tracking_category_id2, $tracking_option_id, $tracking_option_id2, $standard_layout, $payments_only);
+        $request = $this->getReportProfitAndLossRequest($xero_tenant_id$from_date$to_date$periods$timeframe$tracking_category_id$tracking_category_id2$tracking_option_id$tracking_option_id2$standard_layout$payments_only);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -48228,9 +48228,9 @@ public function getReportProfitAndLossWithHttpInfo($xero_tenant_id, $from_date =
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReportProfitAndLossAsync($xero_tenant_id, $from_date = null, $to_date = null, $periods = null, $timeframe = null, $tracking_category_id = null, $tracking_category_id2 = null, $tracking_option_id = null, $tracking_option_id2 = null, $standard_layout = null, $payments_only = null)
+    public function getReportProfitAndLossAsync($xero_tenant_id$from_date = null$to_date = null$periods = null$timeframe = null$tracking_category_id = null$tracking_category_id2 = null$tracking_option_id = null$tracking_option_id2 = null$standard_layout = null$payments_only = null)
     {
-        return $this->getReportProfitAndLossAsyncWithHttpInfo($xero_tenant_id, $from_date, $to_date, $periods, $timeframe, $tracking_category_id, $tracking_category_id2, $tracking_option_id, $tracking_option_id2, $standard_layout, $payments_only)
+        return $this->getReportProfitAndLossAsyncWithHttpInfo($xero_tenant_id$from_date$to_date$periods$timeframe$tracking_category_id$tracking_category_id2$tracking_option_id$tracking_option_id2$standard_layout$payments_only)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -48253,10 +48253,10 @@ function ($response) {
      * @param  bool $payments_only Return cash only basis for the ProfitAndLoss report (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReportProfitAndLossAsyncWithHttpInfo($xero_tenant_id, $from_date = null, $to_date = null, $periods = null, $timeframe = null, $tracking_category_id = null, $tracking_category_id2 = null, $tracking_option_id = null, $tracking_option_id2 = null, $standard_layout = null, $payments_only = null)
+    public function getReportProfitAndLossAsyncWithHttpInfo($xero_tenant_id$from_date = null$to_date = null$periods = null$timeframe = null$tracking_category_id = null$tracking_category_id2 = null$tracking_option_id = null$tracking_option_id2 = null$standard_layout = null$payments_only = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ReportWithRows';
-        $request = $this->getReportProfitAndLossRequest($xero_tenant_id, $from_date, $to_date, $periods, $timeframe, $tracking_category_id, $tracking_category_id2, $tracking_option_id, $tracking_option_id2, $standard_layout, $payments_only);
+        $request = $this->getReportProfitAndLossRequest($xero_tenant_id$from_date$to_date$periods$timeframe$tracking_category_id$tracking_category_id2$tracking_option_id$tracking_option_id2$standard_layout$payments_only);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -48305,7 +48305,7 @@ function ($exception) {
      * @param  bool $payments_only Return cash only basis for the ProfitAndLoss report (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReportProfitAndLossRequest($xero_tenant_id, $from_date = null, $to_date = null, $periods = null, $timeframe = null, $tracking_category_id = null, $tracking_category_id2 = null, $tracking_option_id = null, $tracking_option_id2 = null, $standard_layout = null, $payments_only = null)
+    protected function getReportProfitAndLossRequest($xero_tenant_id$from_date = null$to_date = null$periods = null$timeframe = null$tracking_category_id = null$tracking_category_id2 = null$tracking_option_id = null$tracking_option_id2 = null$standard_layout = null$payments_only = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -48432,9 +48432,9 @@ protected function getReportProfitAndLossRequest($xero_tenant_id, $from_date = n
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Reports
      */
-    public function getReportTenNinetyNine($xero_tenant_id, $report_year = null)
+    public function getReportTenNinetyNine($xero_tenant_id$report_year = null)
     {
-        list($response) = $this->getReportTenNinetyNineWithHttpInfo($xero_tenant_id, $report_year);
+        list($response) = $this->getReportTenNinetyNineWithHttpInfo($xero_tenant_id$report_year);
         return $response;
     }
     /**
@@ -48446,9 +48446,9 @@ public function getReportTenNinetyNine($xero_tenant_id, $report_year = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Reports, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReportTenNinetyNineWithHttpInfo($xero_tenant_id, $report_year = null)
+    public function getReportTenNinetyNineWithHttpInfo($xero_tenant_id$report_year = null)
     {
-        $request = $this->getReportTenNinetyNineRequest($xero_tenant_id, $report_year);
+        $request = $this->getReportTenNinetyNineRequest($xero_tenant_id$report_year);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -48522,9 +48522,9 @@ public function getReportTenNinetyNineWithHttpInfo($xero_tenant_id, $report_year
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReportTenNinetyNineAsync($xero_tenant_id, $report_year = null)
+    public function getReportTenNinetyNineAsync($xero_tenant_id$report_year = null)
     {
-        return $this->getReportTenNinetyNineAsyncWithHttpInfo($xero_tenant_id, $report_year)
+        return $this->getReportTenNinetyNineAsyncWithHttpInfo($xero_tenant_id$report_year)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -48538,10 +48538,10 @@ function ($response) {
      * @param  string $report_year The year of the 1099 report (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReportTenNinetyNineAsyncWithHttpInfo($xero_tenant_id, $report_year = null)
+    public function getReportTenNinetyNineAsyncWithHttpInfo($xero_tenant_id$report_year = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Reports';
-        $request = $this->getReportTenNinetyNineRequest($xero_tenant_id, $report_year);
+        $request = $this->getReportTenNinetyNineRequest($xero_tenant_id$report_year);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -48581,7 +48581,7 @@ function ($exception) {
      * @param  string $report_year The year of the 1099 report (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReportTenNinetyNineRequest($xero_tenant_id, $report_year = null)
+    protected function getReportTenNinetyNineRequest($xero_tenant_id$report_year = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -48673,9 +48673,9 @@ protected function getReportTenNinetyNineRequest($xero_tenant_id, $report_year =
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows
      */
-    public function getReportTrialBalance($xero_tenant_id, $date = null, $payments_only = null)
+    public function getReportTrialBalance($xero_tenant_id$date = null$payments_only = null)
     {
-        list($response) = $this->getReportTrialBalanceWithHttpInfo($xero_tenant_id, $date, $payments_only);
+        list($response) = $this->getReportTrialBalanceWithHttpInfo($xero_tenant_id$date$payments_only);
         return $response;
     }
     /**
@@ -48688,9 +48688,9 @@ public function getReportTrialBalance($xero_tenant_id, $date = null, $payments_o
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReportTrialBalanceWithHttpInfo($xero_tenant_id, $date = null, $payments_only = null)
+    public function getReportTrialBalanceWithHttpInfo($xero_tenant_id$date = null$payments_only = null)
     {
-        $request = $this->getReportTrialBalanceRequest($xero_tenant_id, $date, $payments_only);
+        $request = $this->getReportTrialBalanceRequest($xero_tenant_id$date$payments_only);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -48765,9 +48765,9 @@ public function getReportTrialBalanceWithHttpInfo($xero_tenant_id, $date = null,
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReportTrialBalanceAsync($xero_tenant_id, $date = null, $payments_only = null)
+    public function getReportTrialBalanceAsync($xero_tenant_id$date = null$payments_only = null)
     {
-        return $this->getReportTrialBalanceAsyncWithHttpInfo($xero_tenant_id, $date, $payments_only)
+        return $this->getReportTrialBalanceAsyncWithHttpInfo($xero_tenant_id$date$payments_only)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -48782,10 +48782,10 @@ function ($response) {
      * @param  bool $payments_only Return cash only basis for the Trial Balance report (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReportTrialBalanceAsyncWithHttpInfo($xero_tenant_id, $date = null, $payments_only = null)
+    public function getReportTrialBalanceAsyncWithHttpInfo($xero_tenant_id$date = null$payments_only = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ReportWithRows';
-        $request = $this->getReportTrialBalanceRequest($xero_tenant_id, $date, $payments_only);
+        $request = $this->getReportTrialBalanceRequest($xero_tenant_id$date$payments_only);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -48826,7 +48826,7 @@ function ($exception) {
      * @param  bool $payments_only Return cash only basis for the Trial Balance report (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReportTrialBalanceRequest($xero_tenant_id, $date = null, $payments_only = null)
+    protected function getReportTrialBalanceRequest($xero_tenant_id$date = null$payments_only = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -49154,9 +49154,9 @@ protected function getReportsListRequest($xero_tenant_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\TaxRates
      */
-    public function getTaxRates($xero_tenant_id, $where = null, $order = null, $tax_type = null)
+    public function getTaxRates($xero_tenant_id$where = null$order = null$tax_type = null)
     {
-        list($response) = $this->getTaxRatesWithHttpInfo($xero_tenant_id, $where, $order, $tax_type);
+        list($response) = $this->getTaxRatesWithHttpInfo($xero_tenant_id$where$order$tax_type);
         return $response;
     }
     /**
@@ -49170,9 +49170,9 @@ public function getTaxRates($xero_tenant_id, $where = null, $order = null, $tax_
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\TaxRates, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getTaxRatesWithHttpInfo($xero_tenant_id, $where = null, $order = null, $tax_type = null)
+    public function getTaxRatesWithHttpInfo($xero_tenant_id$where = null$order = null$tax_type = null)
     {
-        $request = $this->getTaxRatesRequest($xero_tenant_id, $where, $order, $tax_type);
+        $request = $this->getTaxRatesRequest($xero_tenant_id$where$order$tax_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -49248,9 +49248,9 @@ public function getTaxRatesWithHttpInfo($xero_tenant_id, $where = null, $order =
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getTaxRatesAsync($xero_tenant_id, $where = null, $order = null, $tax_type = null)
+    public function getTaxRatesAsync($xero_tenant_id$where = null$order = null$tax_type = null)
     {
-        return $this->getTaxRatesAsyncWithHttpInfo($xero_tenant_id, $where, $order, $tax_type)
+        return $this->getTaxRatesAsyncWithHttpInfo($xero_tenant_id$where$order$tax_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -49266,10 +49266,10 @@ function ($response) {
      * @param  string $tax_type Filter by tax type (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getTaxRatesAsyncWithHttpInfo($xero_tenant_id, $where = null, $order = null, $tax_type = null)
+    public function getTaxRatesAsyncWithHttpInfo($xero_tenant_id$where = null$order = null$tax_type = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\TaxRates';
-        $request = $this->getTaxRatesRequest($xero_tenant_id, $where, $order, $tax_type);
+        $request = $this->getTaxRatesRequest($xero_tenant_id$where$order$tax_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -49311,7 +49311,7 @@ function ($exception) {
      * @param  string $tax_type Filter by tax type (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getTaxRatesRequest($xero_tenant_id, $where = null, $order = null, $tax_type = null)
+    protected function getTaxRatesRequest($xero_tenant_id$where = null$order = null$tax_type = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -49412,9 +49412,9 @@ protected function getTaxRatesRequest($xero_tenant_id, $where = null, $order = n
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\TrackingCategories
      */
-    public function getTrackingCategories($xero_tenant_id, $where = null, $order = null, $include_archived = null)
+    public function getTrackingCategories($xero_tenant_id$where = null$order = null$include_archived = null)
     {
-        list($response) = $this->getTrackingCategoriesWithHttpInfo($xero_tenant_id, $where, $order, $include_archived);
+        list($response) = $this->getTrackingCategoriesWithHttpInfo($xero_tenant_id$where$order$include_archived);
         return $response;
     }
     /**
@@ -49428,9 +49428,9 @@ public function getTrackingCategories($xero_tenant_id, $where = null, $order = n
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\TrackingCategories, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getTrackingCategoriesWithHttpInfo($xero_tenant_id, $where = null, $order = null, $include_archived = null)
+    public function getTrackingCategoriesWithHttpInfo($xero_tenant_id$where = null$order = null$include_archived = null)
     {
-        $request = $this->getTrackingCategoriesRequest($xero_tenant_id, $where, $order, $include_archived);
+        $request = $this->getTrackingCategoriesRequest($xero_tenant_id$where$order$include_archived);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -49506,9 +49506,9 @@ public function getTrackingCategoriesWithHttpInfo($xero_tenant_id, $where = null
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getTrackingCategoriesAsync($xero_tenant_id, $where = null, $order = null, $include_archived = null)
+    public function getTrackingCategoriesAsync($xero_tenant_id$where = null$order = null$include_archived = null)
     {
-        return $this->getTrackingCategoriesAsyncWithHttpInfo($xero_tenant_id, $where, $order, $include_archived)
+        return $this->getTrackingCategoriesAsyncWithHttpInfo($xero_tenant_id$where$order$include_archived)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -49524,10 +49524,10 @@ function ($response) {
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Categories and options with a status of ARCHIVED will be included in the response (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getTrackingCategoriesAsyncWithHttpInfo($xero_tenant_id, $where = null, $order = null, $include_archived = null)
+    public function getTrackingCategoriesAsyncWithHttpInfo($xero_tenant_id$where = null$order = null$include_archived = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\TrackingCategories';
-        $request = $this->getTrackingCategoriesRequest($xero_tenant_id, $where, $order, $include_archived);
+        $request = $this->getTrackingCategoriesRequest($xero_tenant_id$where$order$include_archived);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -49569,7 +49569,7 @@ function ($exception) {
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Categories and options with a status of ARCHIVED will be included in the response (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getTrackingCategoriesRequest($xero_tenant_id, $where = null, $order = null, $include_archived = null)
+    protected function getTrackingCategoriesRequest($xero_tenant_id$where = null$order = null$include_archived = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -49668,9 +49668,9 @@ protected function getTrackingCategoriesRequest($xero_tenant_id, $where = null,
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\TrackingCategories
      */
-    public function getTrackingCategory($xero_tenant_id, $tracking_category_id)
+    public function getTrackingCategory($xero_tenant_id$tracking_category_id)
     {
-        list($response) = $this->getTrackingCategoryWithHttpInfo($xero_tenant_id, $tracking_category_id);
+        list($response) = $this->getTrackingCategoryWithHttpInfo($xero_tenant_id$tracking_category_id);
         return $response;
     }
     /**
@@ -49682,9 +49682,9 @@ public function getTrackingCategory($xero_tenant_id, $tracking_category_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\TrackingCategories, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getTrackingCategoryWithHttpInfo($xero_tenant_id, $tracking_category_id)
+    public function getTrackingCategoryWithHttpInfo($xero_tenant_id$tracking_category_id)
     {
-        $request = $this->getTrackingCategoryRequest($xero_tenant_id, $tracking_category_id);
+        $request = $this->getTrackingCategoryRequest($xero_tenant_id$tracking_category_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -49758,9 +49758,9 @@ public function getTrackingCategoryWithHttpInfo($xero_tenant_id, $tracking_categ
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getTrackingCategoryAsync($xero_tenant_id, $tracking_category_id)
+    public function getTrackingCategoryAsync($xero_tenant_id$tracking_category_id)
     {
-        return $this->getTrackingCategoryAsyncWithHttpInfo($xero_tenant_id, $tracking_category_id)
+        return $this->getTrackingCategoryAsyncWithHttpInfo($xero_tenant_id$tracking_category_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -49774,10 +49774,10 @@ function ($response) {
      * @param  string $tracking_category_id Unique identifier for a TrackingCategory (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getTrackingCategoryAsyncWithHttpInfo($xero_tenant_id, $tracking_category_id)
+    public function getTrackingCategoryAsyncWithHttpInfo($xero_tenant_id$tracking_category_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\TrackingCategories';
-        $request = $this->getTrackingCategoryRequest($xero_tenant_id, $tracking_category_id);
+        $request = $this->getTrackingCategoryRequest($xero_tenant_id$tracking_category_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -49817,7 +49817,7 @@ function ($exception) {
      * @param  string $tracking_category_id Unique identifier for a TrackingCategory (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getTrackingCategoryRequest($xero_tenant_id, $tracking_category_id)
+    protected function getTrackingCategoryRequest($xero_tenant_id$tracking_category_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -49918,9 +49918,9 @@ protected function getTrackingCategoryRequest($xero_tenant_id, $tracking_categor
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Users
      */
-    public function getUser($xero_tenant_id, $user_id)
+    public function getUser($xero_tenant_id$user_id)
     {
-        list($response) = $this->getUserWithHttpInfo($xero_tenant_id, $user_id);
+        list($response) = $this->getUserWithHttpInfo($xero_tenant_id$user_id);
         return $response;
     }
     /**
@@ -49932,9 +49932,9 @@ public function getUser($xero_tenant_id, $user_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Users, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getUserWithHttpInfo($xero_tenant_id, $user_id)
+    public function getUserWithHttpInfo($xero_tenant_id$user_id)
     {
-        $request = $this->getUserRequest($xero_tenant_id, $user_id);
+        $request = $this->getUserRequest($xero_tenant_id$user_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -50008,9 +50008,9 @@ public function getUserWithHttpInfo($xero_tenant_id, $user_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getUserAsync($xero_tenant_id, $user_id)
+    public function getUserAsync($xero_tenant_id$user_id)
     {
-        return $this->getUserAsyncWithHttpInfo($xero_tenant_id, $user_id)
+        return $this->getUserAsyncWithHttpInfo($xero_tenant_id$user_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -50024,10 +50024,10 @@ function ($response) {
      * @param  string $user_id Unique identifier for a User (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getUserAsyncWithHttpInfo($xero_tenant_id, $user_id)
+    public function getUserAsyncWithHttpInfo($xero_tenant_id$user_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Users';
-        $request = $this->getUserRequest($xero_tenant_id, $user_id);
+        $request = $this->getUserRequest($xero_tenant_id$user_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -50067,7 +50067,7 @@ function ($exception) {
      * @param  string $user_id Unique identifier for a User (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getUserRequest($xero_tenant_id, $user_id)
+    protected function getUserRequest($xero_tenant_id$user_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -50170,9 +50170,9 @@ protected function getUserRequest($xero_tenant_id, $user_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Users
      */
-    public function getUsers($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    public function getUsers($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
-        list($response) = $this->getUsersWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order);
+        list($response) = $this->getUsersWithHttpInfo($xero_tenant_id$if_modified_since$where$order);
         return $response;
     }
     /**
@@ -50186,9 +50186,9 @@ public function getUsers($xero_tenant_id, $if_modified_since = null, $where = nu
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Users, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getUsersWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    public function getUsersWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
-        $request = $this->getUsersRequest($xero_tenant_id, $if_modified_since, $where, $order);
+        $request = $this->getUsersRequest($xero_tenant_id$if_modified_since$where$order);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -50264,9 +50264,9 @@ public function getUsersWithHttpInfo($xero_tenant_id, $if_modified_since = null,
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getUsersAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    public function getUsersAsync($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
-        return $this->getUsersAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order)
+        return $this->getUsersAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -50282,10 +50282,10 @@ function ($response) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getUsersAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    public function getUsersAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Users';
-        $request = $this->getUsersRequest($xero_tenant_id, $if_modified_since, $where, $order);
+        $request = $this->getUsersRequest($xero_tenant_id$if_modified_since$where$order);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -50327,7 +50327,7 @@ function ($exception) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getUsersRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
+    protected function getUsersRequest($xero_tenant_id$if_modified_since = null$where = null$order = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -50426,9 +50426,9 @@ protected function getUsersRequest($xero_tenant_id, $if_modified_since = null, $
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ImportSummaryObject
      */
-    public function postSetup($xero_tenant_id, $setup)
+    public function postSetup($xero_tenant_id$setup)
     {
-        list($response) = $this->postSetupWithHttpInfo($xero_tenant_id, $setup);
+        list($response) = $this->postSetupWithHttpInfo($xero_tenant_id$setup);
         return $response;
     }
     /**
@@ -50440,9 +50440,9 @@ public function postSetup($xero_tenant_id, $setup)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ImportSummaryObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function postSetupWithHttpInfo($xero_tenant_id, $setup)
+    public function postSetupWithHttpInfo($xero_tenant_id$setup)
     {
-        $request = $this->postSetupRequest($xero_tenant_id, $setup);
+        $request = $this->postSetupRequest($xero_tenant_id$setup);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -50516,9 +50516,9 @@ public function postSetupWithHttpInfo($xero_tenant_id, $setup)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function postSetupAsync($xero_tenant_id, $setup)
+    public function postSetupAsync($xero_tenant_id$setup)
     {
-        return $this->postSetupAsyncWithHttpInfo($xero_tenant_id, $setup)
+        return $this->postSetupAsyncWithHttpInfo($xero_tenant_id$setup)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -50532,10 +50532,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Setup $setup Object including an accounts array, a conversion balances array and a conversion date object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function postSetupAsyncWithHttpInfo($xero_tenant_id, $setup)
+    public function postSetupAsyncWithHttpInfo($xero_tenant_id$setup)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ImportSummaryObject';
-        $request = $this->postSetupRequest($xero_tenant_id, $setup);
+        $request = $this->postSetupRequest($xero_tenant_id$setup);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -50575,7 +50575,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Setup $setup Object including an accounts array, a conversion balances array and a conversion date object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function postSetupRequest($xero_tenant_id, $setup)
+    protected function postSetupRequest($xero_tenant_id$setup)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -50672,9 +50672,9 @@ protected function postSetupRequest($xero_tenant_id, $setup)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Accounts|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateAccount($xero_tenant_id, $account_id, $accounts)
+    public function updateAccount($xero_tenant_id$account_id$accounts)
     {
-        list($response) = $this->updateAccountWithHttpInfo($xero_tenant_id, $account_id, $accounts);
+        list($response) = $this->updateAccountWithHttpInfo($xero_tenant_id$account_id$accounts);
         return $response;
     }
     /**
@@ -50687,9 +50687,9 @@ public function updateAccount($xero_tenant_id, $account_id, $accounts)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Accounts|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateAccountWithHttpInfo($xero_tenant_id, $account_id, $accounts)
+    public function updateAccountWithHttpInfo($xero_tenant_id$account_id$accounts)
     {
-        $request = $this->updateAccountRequest($xero_tenant_id, $account_id, $accounts);
+        $request = $this->updateAccountRequest($xero_tenant_id$account_id$accounts);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -50783,9 +50783,9 @@ public function updateAccountWithHttpInfo($xero_tenant_id, $account_id, $account
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateAccountAsync($xero_tenant_id, $account_id, $accounts)
+    public function updateAccountAsync($xero_tenant_id$account_id$accounts)
     {
-        return $this->updateAccountAsyncWithHttpInfo($xero_tenant_id, $account_id, $accounts)
+        return $this->updateAccountAsyncWithHttpInfo($xero_tenant_id$account_id$accounts)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -50800,10 +50800,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Accounts $accounts Request of type Accounts array with one Account (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateAccountAsyncWithHttpInfo($xero_tenant_id, $account_id, $accounts)
+    public function updateAccountAsyncWithHttpInfo($xero_tenant_id$account_id$accounts)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Accounts';
-        $request = $this->updateAccountRequest($xero_tenant_id, $account_id, $accounts);
+        $request = $this->updateAccountRequest($xero_tenant_id$account_id$accounts);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -50844,7 +50844,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Accounts $accounts Request of type Accounts array with one Account (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateAccountRequest($xero_tenant_id, $account_id, $accounts)
+    protected function updateAccountRequest($xero_tenant_id$account_id$accounts)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -50956,9 +50956,9 @@ protected function updateAccountRequest($xero_tenant_id, $account_id, $accounts)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateAccountAttachmentByFileName($xero_tenant_id, $account_id, $file_name, $body)
+    public function updateAccountAttachmentByFileName($xero_tenant_id$account_id$file_name$body)
     {
-        list($response) = $this->updateAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id, $account_id, $file_name, $body);
+        list($response) = $this->updateAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id$account_id$file_name$body);
         return $response;
     }
     /**
@@ -50972,9 +50972,9 @@ public function updateAccountAttachmentByFileName($xero_tenant_id, $account_id,
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id, $account_id, $file_name, $body)
+    public function updateAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id$account_id$file_name$body)
     {
-        $request = $this->updateAccountAttachmentByFileNameRequest($xero_tenant_id, $account_id, $file_name, $body);
+        $request = $this->updateAccountAttachmentByFileNameRequest($xero_tenant_id$account_id$file_name$body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -51069,9 +51069,9 @@ public function updateAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateAccountAttachmentByFileNameAsync($xero_tenant_id, $account_id, $file_name, $body)
+    public function updateAccountAttachmentByFileNameAsync($xero_tenant_id$account_id$file_name$body)
     {
-        return $this->updateAccountAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $account_id, $file_name, $body)
+        return $this->updateAccountAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$account_id$file_name$body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -51087,10 +51087,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateAccountAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $account_id, $file_name, $body)
+    public function updateAccountAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$account_id$file_name$body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->updateAccountAttachmentByFileNameRequest($xero_tenant_id, $account_id, $file_name, $body);
+        $request = $this->updateAccountAttachmentByFileNameRequest($xero_tenant_id$account_id$file_name$body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -51132,7 +51132,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateAccountAttachmentByFileNameRequest($xero_tenant_id, $account_id, $file_name, $body)
+    protected function updateAccountAttachmentByFileNameRequest($xero_tenant_id$account_id$file_name$body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -51258,9 +51258,9 @@ protected function updateAccountAttachmentByFileNameRequest($xero_tenant_id, $ac
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\BankTransactions|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateBankTransaction($xero_tenant_id, $bank_transaction_id, $bank_transactions, $unitdp = null)
+    public function updateBankTransaction($xero_tenant_id$bank_transaction_id$bank_transactions$unitdp = null)
     {
-        list($response) = $this->updateBankTransactionWithHttpInfo($xero_tenant_id, $bank_transaction_id, $bank_transactions, $unitdp);
+        list($response) = $this->updateBankTransactionWithHttpInfo($xero_tenant_id$bank_transaction_id$bank_transactions$unitdp);
         return $response;
     }
     /**
@@ -51274,9 +51274,9 @@ public function updateBankTransaction($xero_tenant_id, $bank_transaction_id, $ba
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\BankTransactions|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateBankTransactionWithHttpInfo($xero_tenant_id, $bank_transaction_id, $bank_transactions, $unitdp = null)
+    public function updateBankTransactionWithHttpInfo($xero_tenant_id$bank_transaction_id$bank_transactions$unitdp = null)
     {
-        $request = $this->updateBankTransactionRequest($xero_tenant_id, $bank_transaction_id, $bank_transactions, $unitdp);
+        $request = $this->updateBankTransactionRequest($xero_tenant_id$bank_transaction_id$bank_transactions$unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -51371,9 +51371,9 @@ public function updateBankTransactionWithHttpInfo($xero_tenant_id, $bank_transac
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateBankTransactionAsync($xero_tenant_id, $bank_transaction_id, $bank_transactions, $unitdp = null)
+    public function updateBankTransactionAsync($xero_tenant_id$bank_transaction_id$bank_transactions$unitdp = null)
     {
-        return $this->updateBankTransactionAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $bank_transactions, $unitdp)
+        return $this->updateBankTransactionAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$bank_transactions$unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -51389,10 +51389,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateBankTransactionAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $bank_transactions, $unitdp = null)
+    public function updateBankTransactionAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$bank_transactions$unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\BankTransactions';
-        $request = $this->updateBankTransactionRequest($xero_tenant_id, $bank_transaction_id, $bank_transactions, $unitdp);
+        $request = $this->updateBankTransactionRequest($xero_tenant_id$bank_transaction_id$bank_transactions$unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -51434,7 +51434,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateBankTransactionRequest($xero_tenant_id, $bank_transaction_id, $bank_transactions, $unitdp = null)
+    protected function updateBankTransactionRequest($xero_tenant_id$bank_transaction_id$bank_transactions$unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -51550,9 +51550,9 @@ protected function updateBankTransactionRequest($xero_tenant_id, $bank_transacti
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateBankTransactionAttachmentByFileName($xero_tenant_id, $bank_transaction_id, $file_name, $body)
+    public function updateBankTransactionAttachmentByFileName($xero_tenant_id$bank_transaction_id$file_name$body)
     {
-        list($response) = $this->updateBankTransactionAttachmentByFileNameWithHttpInfo($xero_tenant_id, $bank_transaction_id, $file_name, $body);
+        list($response) = $this->updateBankTransactionAttachmentByFileNameWithHttpInfo($xero_tenant_id$bank_transaction_id$file_name$body);
         return $response;
     }
     /**
@@ -51566,9 +51566,9 @@ public function updateBankTransactionAttachmentByFileName($xero_tenant_id, $bank
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateBankTransactionAttachmentByFileNameWithHttpInfo($xero_tenant_id, $bank_transaction_id, $file_name, $body)
+    public function updateBankTransactionAttachmentByFileNameWithHttpInfo($xero_tenant_id$bank_transaction_id$file_name$body)
     {
-        $request = $this->updateBankTransactionAttachmentByFileNameRequest($xero_tenant_id, $bank_transaction_id, $file_name, $body);
+        $request = $this->updateBankTransactionAttachmentByFileNameRequest($xero_tenant_id$bank_transaction_id$file_name$body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -51663,9 +51663,9 @@ public function updateBankTransactionAttachmentByFileNameWithHttpInfo($xero_tena
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateBankTransactionAttachmentByFileNameAsync($xero_tenant_id, $bank_transaction_id, $file_name, $body)
+    public function updateBankTransactionAttachmentByFileNameAsync($xero_tenant_id$bank_transaction_id$file_name$body)
     {
-        return $this->updateBankTransactionAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $file_name, $body)
+        return $this->updateBankTransactionAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$file_name$body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -51681,10 +51681,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateBankTransactionAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $file_name, $body)
+    public function updateBankTransactionAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$file_name$body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->updateBankTransactionAttachmentByFileNameRequest($xero_tenant_id, $bank_transaction_id, $file_name, $body);
+        $request = $this->updateBankTransactionAttachmentByFileNameRequest($xero_tenant_id$bank_transaction_id$file_name$body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -51726,7 +51726,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateBankTransactionAttachmentByFileNameRequest($xero_tenant_id, $bank_transaction_id, $file_name, $body)
+    protected function updateBankTransactionAttachmentByFileNameRequest($xero_tenant_id$bank_transaction_id$file_name$body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -51851,9 +51851,9 @@ protected function updateBankTransactionAttachmentByFileNameRequest($xero_tenant
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateBankTransferAttachmentByFileName($xero_tenant_id, $bank_transfer_id, $file_name, $body)
+    public function updateBankTransferAttachmentByFileName($xero_tenant_id$bank_transfer_id$file_name$body)
     {
-        list($response) = $this->updateBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_id, $bank_transfer_id, $file_name, $body);
+        list($response) = $this->updateBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_id$bank_transfer_id$file_name$body);
         return $response;
     }
     /**
@@ -51866,9 +51866,9 @@ public function updateBankTransferAttachmentByFileName($xero_tenant_id, $bank_tr
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_id, $bank_transfer_id, $file_name, $body)
+    public function updateBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_id$bank_transfer_id$file_name$body)
     {
-        $request = $this->updateBankTransferAttachmentByFileNameRequest($xero_tenant_id, $bank_transfer_id, $file_name, $body);
+        $request = $this->updateBankTransferAttachmentByFileNameRequest($xero_tenant_id$bank_transfer_id$file_name$body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -51963,9 +51963,9 @@ public function updateBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateBankTransferAttachmentByFileNameAsync($xero_tenant_id, $bank_transfer_id, $file_name, $body)
+    public function updateBankTransferAttachmentByFileNameAsync($xero_tenant_id$bank_transfer_id$file_name$body)
     {
-        return $this->updateBankTransferAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id, $file_name, $body)
+        return $this->updateBankTransferAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id$file_name$body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -51981,10 +51981,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateBankTransferAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id, $file_name, $body)
+    public function updateBankTransferAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id$file_name$body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->updateBankTransferAttachmentByFileNameRequest($xero_tenant_id, $bank_transfer_id, $file_name, $body);
+        $request = $this->updateBankTransferAttachmentByFileNameRequest($xero_tenant_id$bank_transfer_id$file_name$body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -52026,7 +52026,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateBankTransferAttachmentByFileNameRequest($xero_tenant_id, $bank_transfer_id, $file_name, $body)
+    protected function updateBankTransferAttachmentByFileNameRequest($xero_tenant_id$bank_transfer_id$file_name$body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -52151,9 +52151,9 @@ protected function updateBankTransferAttachmentByFileNameRequest($xero_tenant_id
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Contacts|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateContact($xero_tenant_id, $contact_id, $contacts)
+    public function updateContact($xero_tenant_id$contact_id$contacts)
     {
-        list($response) = $this->updateContactWithHttpInfo($xero_tenant_id, $contact_id, $contacts);
+        list($response) = $this->updateContactWithHttpInfo($xero_tenant_id$contact_id$contacts);
         return $response;
     }
     /**
@@ -52166,9 +52166,9 @@ public function updateContact($xero_tenant_id, $contact_id, $contacts)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Contacts|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateContactWithHttpInfo($xero_tenant_id, $contact_id, $contacts)
+    public function updateContactWithHttpInfo($xero_tenant_id$contact_id$contacts)
     {
-        $request = $this->updateContactRequest($xero_tenant_id, $contact_id, $contacts);
+        $request = $this->updateContactRequest($xero_tenant_id$contact_id$contacts);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -52262,9 +52262,9 @@ public function updateContactWithHttpInfo($xero_tenant_id, $contact_id, $contact
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateContactAsync($xero_tenant_id, $contact_id, $contacts)
+    public function updateContactAsync($xero_tenant_id$contact_id$contacts)
     {
-        return $this->updateContactAsyncWithHttpInfo($xero_tenant_id, $contact_id, $contacts)
+        return $this->updateContactAsyncWithHttpInfo($xero_tenant_id$contact_id$contacts)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -52279,10 +52279,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Contacts $contacts an array of Contacts containing single Contact object with properties to update (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateContactAsyncWithHttpInfo($xero_tenant_id, $contact_id, $contacts)
+    public function updateContactAsyncWithHttpInfo($xero_tenant_id$contact_id$contacts)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Contacts';
-        $request = $this->updateContactRequest($xero_tenant_id, $contact_id, $contacts);
+        $request = $this->updateContactRequest($xero_tenant_id$contact_id$contacts);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -52323,7 +52323,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Contacts $contacts an array of Contacts containing single Contact object with properties to update (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateContactRequest($xero_tenant_id, $contact_id, $contacts)
+    protected function updateContactRequest($xero_tenant_id$contact_id$contacts)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -52434,9 +52434,9 @@ protected function updateContactRequest($xero_tenant_id, $contact_id, $contacts)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateContactAttachmentByFileName($xero_tenant_id, $contact_id, $file_name, $body)
+    public function updateContactAttachmentByFileName($xero_tenant_id$contact_id$file_name$body)
     {
-        list($response) = $this->updateContactAttachmentByFileNameWithHttpInfo($xero_tenant_id, $contact_id, $file_name, $body);
+        list($response) = $this->updateContactAttachmentByFileNameWithHttpInfo($xero_tenant_id$contact_id$file_name$body);
         return $response;
     }
     /**
@@ -52449,9 +52449,9 @@ public function updateContactAttachmentByFileName($xero_tenant_id, $contact_id,
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateContactAttachmentByFileNameWithHttpInfo($xero_tenant_id, $contact_id, $file_name, $body)
+    public function updateContactAttachmentByFileNameWithHttpInfo($xero_tenant_id$contact_id$file_name$body)
     {
-        $request = $this->updateContactAttachmentByFileNameRequest($xero_tenant_id, $contact_id, $file_name, $body);
+        $request = $this->updateContactAttachmentByFileNameRequest($xero_tenant_id$contact_id$file_name$body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -52546,9 +52546,9 @@ public function updateContactAttachmentByFileNameWithHttpInfo($xero_tenant_id, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateContactAttachmentByFileNameAsync($xero_tenant_id, $contact_id, $file_name, $body)
+    public function updateContactAttachmentByFileNameAsync($xero_tenant_id$contact_id$file_name$body)
     {
-        return $this->updateContactAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $contact_id, $file_name, $body)
+        return $this->updateContactAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$contact_id$file_name$body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -52564,10 +52564,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateContactAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $contact_id, $file_name, $body)
+    public function updateContactAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$contact_id$file_name$body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->updateContactAttachmentByFileNameRequest($xero_tenant_id, $contact_id, $file_name, $body);
+        $request = $this->updateContactAttachmentByFileNameRequest($xero_tenant_id$contact_id$file_name$body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -52609,7 +52609,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateContactAttachmentByFileNameRequest($xero_tenant_id, $contact_id, $file_name, $body)
+    protected function updateContactAttachmentByFileNameRequest($xero_tenant_id$contact_id$file_name$body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -52734,9 +52734,9 @@ protected function updateContactAttachmentByFileNameRequest($xero_tenant_id, $co
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ContactGroups|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateContactGroup($xero_tenant_id, $contact_group_id, $contact_groups)
+    public function updateContactGroup($xero_tenant_id$contact_group_id$contact_groups)
     {
-        list($response) = $this->updateContactGroupWithHttpInfo($xero_tenant_id, $contact_group_id, $contact_groups);
+        list($response) = $this->updateContactGroupWithHttpInfo($xero_tenant_id$contact_group_id$contact_groups);
         return $response;
     }
     /**
@@ -52749,9 +52749,9 @@ public function updateContactGroup($xero_tenant_id, $contact_group_id, $contact_
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ContactGroups|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateContactGroupWithHttpInfo($xero_tenant_id, $contact_group_id, $contact_groups)
+    public function updateContactGroupWithHttpInfo($xero_tenant_id$contact_group_id$contact_groups)
     {
-        $request = $this->updateContactGroupRequest($xero_tenant_id, $contact_group_id, $contact_groups);
+        $request = $this->updateContactGroupRequest($xero_tenant_id$contact_group_id$contact_groups);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -52845,9 +52845,9 @@ public function updateContactGroupWithHttpInfo($xero_tenant_id, $contact_group_i
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateContactGroupAsync($xero_tenant_id, $contact_group_id, $contact_groups)
+    public function updateContactGroupAsync($xero_tenant_id$contact_group_id$contact_groups)
     {
-        return $this->updateContactGroupAsyncWithHttpInfo($xero_tenant_id, $contact_group_id, $contact_groups)
+        return $this->updateContactGroupAsyncWithHttpInfo($xero_tenant_id$contact_group_id$contact_groups)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -52862,10 +52862,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\ContactGroups $contact_groups an array of Contact groups with Name of specific group to update (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateContactGroupAsyncWithHttpInfo($xero_tenant_id, $contact_group_id, $contact_groups)
+    public function updateContactGroupAsyncWithHttpInfo($xero_tenant_id$contact_group_id$contact_groups)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ContactGroups';
-        $request = $this->updateContactGroupRequest($xero_tenant_id, $contact_group_id, $contact_groups);
+        $request = $this->updateContactGroupRequest($xero_tenant_id$contact_group_id$contact_groups);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -52906,7 +52906,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\ContactGroups $contact_groups an array of Contact groups with Name of specific group to update (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateContactGroupRequest($xero_tenant_id, $contact_group_id, $contact_groups)
+    protected function updateContactGroupRequest($xero_tenant_id$contact_group_id$contact_groups)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -53018,9 +53018,9 @@ protected function updateContactGroupRequest($xero_tenant_id, $contact_group_id,
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\CreditNotes|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateCreditNote($xero_tenant_id, $credit_note_id, $credit_notes, $unitdp = null)
+    public function updateCreditNote($xero_tenant_id$credit_note_id$credit_notes$unitdp = null)
     {
-        list($response) = $this->updateCreditNoteWithHttpInfo($xero_tenant_id, $credit_note_id, $credit_notes, $unitdp);
+        list($response) = $this->updateCreditNoteWithHttpInfo($xero_tenant_id$credit_note_id$credit_notes$unitdp);
         return $response;
     }
     /**
@@ -53034,9 +53034,9 @@ public function updateCreditNote($xero_tenant_id, $credit_note_id, $credit_notes
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\CreditNotes|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateCreditNoteWithHttpInfo($xero_tenant_id, $credit_note_id, $credit_notes, $unitdp = null)
+    public function updateCreditNoteWithHttpInfo($xero_tenant_id$credit_note_id$credit_notes$unitdp = null)
     {
-        $request = $this->updateCreditNoteRequest($xero_tenant_id, $credit_note_id, $credit_notes, $unitdp);
+        $request = $this->updateCreditNoteRequest($xero_tenant_id$credit_note_id$credit_notes$unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -53131,9 +53131,9 @@ public function updateCreditNoteWithHttpInfo($xero_tenant_id, $credit_note_id, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateCreditNoteAsync($xero_tenant_id, $credit_note_id, $credit_notes, $unitdp = null)
+    public function updateCreditNoteAsync($xero_tenant_id$credit_note_id$credit_notes$unitdp = null)
     {
-        return $this->updateCreditNoteAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $credit_notes, $unitdp)
+        return $this->updateCreditNoteAsyncWithHttpInfo($xero_tenant_id$credit_note_id$credit_notes$unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -53149,10 +53149,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateCreditNoteAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $credit_notes, $unitdp = null)
+    public function updateCreditNoteAsyncWithHttpInfo($xero_tenant_id$credit_note_id$credit_notes$unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\CreditNotes';
-        $request = $this->updateCreditNoteRequest($xero_tenant_id, $credit_note_id, $credit_notes, $unitdp);
+        $request = $this->updateCreditNoteRequest($xero_tenant_id$credit_note_id$credit_notes$unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -53194,7 +53194,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateCreditNoteRequest($xero_tenant_id, $credit_note_id, $credit_notes, $unitdp = null)
+    protected function updateCreditNoteRequest($xero_tenant_id$credit_note_id$credit_notes$unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -53310,9 +53310,9 @@ protected function updateCreditNoteRequest($xero_tenant_id, $credit_note_id, $cr
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateCreditNoteAttachmentByFileName($xero_tenant_id, $credit_note_id, $file_name, $body)
+    public function updateCreditNoteAttachmentByFileName($xero_tenant_id$credit_note_id$file_name$body)
     {
-        list($response) = $this->updateCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $credit_note_id, $file_name, $body);
+        list($response) = $this->updateCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$credit_note_id$file_name$body);
         return $response;
     }
     /**
@@ -53326,9 +53326,9 @@ public function updateCreditNoteAttachmentByFileName($xero_tenant_id, $credit_no
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $credit_note_id, $file_name, $body)
+    public function updateCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$credit_note_id$file_name$body)
     {
-        $request = $this->updateCreditNoteAttachmentByFileNameRequest($xero_tenant_id, $credit_note_id, $file_name, $body);
+        $request = $this->updateCreditNoteAttachmentByFileNameRequest($xero_tenant_id$credit_note_id$file_name$body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -53423,9 +53423,9 @@ public function updateCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateCreditNoteAttachmentByFileNameAsync($xero_tenant_id, $credit_note_id, $file_name, $body)
+    public function updateCreditNoteAttachmentByFileNameAsync($xero_tenant_id$credit_note_id$file_name$body)
     {
-        return $this->updateCreditNoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $file_name, $body)
+        return $this->updateCreditNoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$credit_note_id$file_name$body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -53441,10 +53441,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateCreditNoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $file_name, $body)
+    public function updateCreditNoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$credit_note_id$file_name$body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->updateCreditNoteAttachmentByFileNameRequest($xero_tenant_id, $credit_note_id, $file_name, $body);
+        $request = $this->updateCreditNoteAttachmentByFileNameRequest($xero_tenant_id$credit_note_id$file_name$body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -53486,7 +53486,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateCreditNoteAttachmentByFileNameRequest($xero_tenant_id, $credit_note_id, $file_name, $body)
+    protected function updateCreditNoteAttachmentByFileNameRequest($xero_tenant_id$credit_note_id$file_name$body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -53611,9 +53611,9 @@ protected function updateCreditNoteAttachmentByFileNameRequest($xero_tenant_id,
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateExpenseClaim($xero_tenant_id, $expense_claim_id, $expense_claims)
+    public function updateExpenseClaim($xero_tenant_id$expense_claim_id$expense_claims)
     {
-        list($response) = $this->updateExpenseClaimWithHttpInfo($xero_tenant_id, $expense_claim_id, $expense_claims);
+        list($response) = $this->updateExpenseClaimWithHttpInfo($xero_tenant_id$expense_claim_id$expense_claims);
         return $response;
     }
     /**
@@ -53626,9 +53626,9 @@ public function updateExpenseClaim($xero_tenant_id, $expense_claim_id, $expense_
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateExpenseClaimWithHttpInfo($xero_tenant_id, $expense_claim_id, $expense_claims)
+    public function updateExpenseClaimWithHttpInfo($xero_tenant_id$expense_claim_id$expense_claims)
     {
-        $request = $this->updateExpenseClaimRequest($xero_tenant_id, $expense_claim_id, $expense_claims);
+        $request = $this->updateExpenseClaimRequest($xero_tenant_id$expense_claim_id$expense_claims);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -53722,9 +53722,9 @@ public function updateExpenseClaimWithHttpInfo($xero_tenant_id, $expense_claim_i
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateExpenseClaimAsync($xero_tenant_id, $expense_claim_id, $expense_claims)
+    public function updateExpenseClaimAsync($xero_tenant_id$expense_claim_id$expense_claims)
     {
-        return $this->updateExpenseClaimAsyncWithHttpInfo($xero_tenant_id, $expense_claim_id, $expense_claims)
+        return $this->updateExpenseClaimAsyncWithHttpInfo($xero_tenant_id$expense_claim_id$expense_claims)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -53739,10 +53739,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims $expense_claims (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateExpenseClaimAsyncWithHttpInfo($xero_tenant_id, $expense_claim_id, $expense_claims)
+    public function updateExpenseClaimAsyncWithHttpInfo($xero_tenant_id$expense_claim_id$expense_claims)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims';
-        $request = $this->updateExpenseClaimRequest($xero_tenant_id, $expense_claim_id, $expense_claims);
+        $request = $this->updateExpenseClaimRequest($xero_tenant_id$expense_claim_id$expense_claims);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -53783,7 +53783,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims $expense_claims (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateExpenseClaimRequest($xero_tenant_id, $expense_claim_id, $expense_claims)
+    protected function updateExpenseClaimRequest($xero_tenant_id$expense_claim_id$expense_claims)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -53895,9 +53895,9 @@ protected function updateExpenseClaimRequest($xero_tenant_id, $expense_claim_id,
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Invoices|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateInvoice($xero_tenant_id, $invoice_id, $invoices, $unitdp = null)
+    public function updateInvoice($xero_tenant_id$invoice_id$invoices$unitdp = null)
     {
-        list($response) = $this->updateInvoiceWithHttpInfo($xero_tenant_id, $invoice_id, $invoices, $unitdp);
+        list($response) = $this->updateInvoiceWithHttpInfo($xero_tenant_id$invoice_id$invoices$unitdp);
         return $response;
     }
     /**
@@ -53911,9 +53911,9 @@ public function updateInvoice($xero_tenant_id, $invoice_id, $invoices, $unitdp =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Invoices|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateInvoiceWithHttpInfo($xero_tenant_id, $invoice_id, $invoices, $unitdp = null)
+    public function updateInvoiceWithHttpInfo($xero_tenant_id$invoice_id$invoices$unitdp = null)
     {
-        $request = $this->updateInvoiceRequest($xero_tenant_id, $invoice_id, $invoices, $unitdp);
+        $request = $this->updateInvoiceRequest($xero_tenant_id$invoice_id$invoices$unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -54008,9 +54008,9 @@ public function updateInvoiceWithHttpInfo($xero_tenant_id, $invoice_id, $invoice
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateInvoiceAsync($xero_tenant_id, $invoice_id, $invoices, $unitdp = null)
+    public function updateInvoiceAsync($xero_tenant_id$invoice_id$invoices$unitdp = null)
     {
-        return $this->updateInvoiceAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $invoices, $unitdp)
+        return $this->updateInvoiceAsyncWithHttpInfo($xero_tenant_id$invoice_id$invoices$unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -54026,10 +54026,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateInvoiceAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $invoices, $unitdp = null)
+    public function updateInvoiceAsyncWithHttpInfo($xero_tenant_id$invoice_id$invoices$unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Invoices';
-        $request = $this->updateInvoiceRequest($xero_tenant_id, $invoice_id, $invoices, $unitdp);
+        $request = $this->updateInvoiceRequest($xero_tenant_id$invoice_id$invoices$unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -54071,7 +54071,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateInvoiceRequest($xero_tenant_id, $invoice_id, $invoices, $unitdp = null)
+    protected function updateInvoiceRequest($xero_tenant_id$invoice_id$invoices$unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -54187,9 +54187,9 @@ protected function updateInvoiceRequest($xero_tenant_id, $invoice_id, $invoices,
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateInvoiceAttachmentByFileName($xero_tenant_id, $invoice_id, $file_name, $body)
+    public function updateInvoiceAttachmentByFileName($xero_tenant_id$invoice_id$file_name$body)
     {
-        list($response) = $this->updateInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id, $invoice_id, $file_name, $body);
+        list($response) = $this->updateInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id$invoice_id$file_name$body);
         return $response;
     }
     /**
@@ -54203,9 +54203,9 @@ public function updateInvoiceAttachmentByFileName($xero_tenant_id, $invoice_id,
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id, $invoice_id, $file_name, $body)
+    public function updateInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id$invoice_id$file_name$body)
     {
-        $request = $this->updateInvoiceAttachmentByFileNameRequest($xero_tenant_id, $invoice_id, $file_name, $body);
+        $request = $this->updateInvoiceAttachmentByFileNameRequest($xero_tenant_id$invoice_id$file_name$body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -54300,9 +54300,9 @@ public function updateInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateInvoiceAttachmentByFileNameAsync($xero_tenant_id, $invoice_id, $file_name, $body)
+    public function updateInvoiceAttachmentByFileNameAsync($xero_tenant_id$invoice_id$file_name$body)
     {
-        return $this->updateInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $file_name, $body)
+        return $this->updateInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$invoice_id$file_name$body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -54318,10 +54318,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $file_name, $body)
+    public function updateInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$invoice_id$file_name$body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->updateInvoiceAttachmentByFileNameRequest($xero_tenant_id, $invoice_id, $file_name, $body);
+        $request = $this->updateInvoiceAttachmentByFileNameRequest($xero_tenant_id$invoice_id$file_name$body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -54363,7 +54363,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateInvoiceAttachmentByFileNameRequest($xero_tenant_id, $invoice_id, $file_name, $body)
+    protected function updateInvoiceAttachmentByFileNameRequest($xero_tenant_id$invoice_id$file_name$body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -54489,9 +54489,9 @@ protected function updateInvoiceAttachmentByFileNameRequest($xero_tenant_id, $in
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Items|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateItem($xero_tenant_id, $item_id, $items, $unitdp = null)
+    public function updateItem($xero_tenant_id$item_id$items$unitdp = null)
     {
-        list($response) = $this->updateItemWithHttpInfo($xero_tenant_id, $item_id, $items, $unitdp);
+        list($response) = $this->updateItemWithHttpInfo($xero_tenant_id$item_id$items$unitdp);
         return $response;
     }
     /**
@@ -54505,9 +54505,9 @@ public function updateItem($xero_tenant_id, $item_id, $items, $unitdp = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Items|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateItemWithHttpInfo($xero_tenant_id, $item_id, $items, $unitdp = null)
+    public function updateItemWithHttpInfo($xero_tenant_id$item_id$items$unitdp = null)
     {
-        $request = $this->updateItemRequest($xero_tenant_id, $item_id, $items, $unitdp);
+        $request = $this->updateItemRequest($xero_tenant_id$item_id$items$unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -54602,9 +54602,9 @@ public function updateItemWithHttpInfo($xero_tenant_id, $item_id, $items, $unitd
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateItemAsync($xero_tenant_id, $item_id, $items, $unitdp = null)
+    public function updateItemAsync($xero_tenant_id$item_id$items$unitdp = null)
     {
-        return $this->updateItemAsyncWithHttpInfo($xero_tenant_id, $item_id, $items, $unitdp)
+        return $this->updateItemAsyncWithHttpInfo($xero_tenant_id$item_id$items$unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -54620,10 +54620,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateItemAsyncWithHttpInfo($xero_tenant_id, $item_id, $items, $unitdp = null)
+    public function updateItemAsyncWithHttpInfo($xero_tenant_id$item_id$items$unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Items';
-        $request = $this->updateItemRequest($xero_tenant_id, $item_id, $items, $unitdp);
+        $request = $this->updateItemRequest($xero_tenant_id$item_id$items$unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -54665,7 +54665,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateItemRequest($xero_tenant_id, $item_id, $items, $unitdp = null)
+    protected function updateItemRequest($xero_tenant_id$item_id$items$unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -54780,9 +54780,9 @@ protected function updateItemRequest($xero_tenant_id, $item_id, $items, $unitdp
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateLinkedTransaction($xero_tenant_id, $linked_transaction_id, $linked_transactions)
+    public function updateLinkedTransaction($xero_tenant_id$linked_transaction_id$linked_transactions)
     {
-        list($response) = $this->updateLinkedTransactionWithHttpInfo($xero_tenant_id, $linked_transaction_id, $linked_transactions);
+        list($response) = $this->updateLinkedTransactionWithHttpInfo($xero_tenant_id$linked_transaction_id$linked_transactions);
         return $response;
     }
     /**
@@ -54795,9 +54795,9 @@ public function updateLinkedTransaction($xero_tenant_id, $linked_transaction_id,
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateLinkedTransactionWithHttpInfo($xero_tenant_id, $linked_transaction_id, $linked_transactions)
+    public function updateLinkedTransactionWithHttpInfo($xero_tenant_id$linked_transaction_id$linked_transactions)
     {
-        $request = $this->updateLinkedTransactionRequest($xero_tenant_id, $linked_transaction_id, $linked_transactions);
+        $request = $this->updateLinkedTransactionRequest($xero_tenant_id$linked_transaction_id$linked_transactions);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -54891,9 +54891,9 @@ public function updateLinkedTransactionWithHttpInfo($xero_tenant_id, $linked_tra
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateLinkedTransactionAsync($xero_tenant_id, $linked_transaction_id, $linked_transactions)
+    public function updateLinkedTransactionAsync($xero_tenant_id$linked_transaction_id$linked_transactions)
     {
-        return $this->updateLinkedTransactionAsyncWithHttpInfo($xero_tenant_id, $linked_transaction_id, $linked_transactions)
+        return $this->updateLinkedTransactionAsyncWithHttpInfo($xero_tenant_id$linked_transaction_id$linked_transactions)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -54908,10 +54908,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions $linked_transactions (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateLinkedTransactionAsyncWithHttpInfo($xero_tenant_id, $linked_transaction_id, $linked_transactions)
+    public function updateLinkedTransactionAsyncWithHttpInfo($xero_tenant_id$linked_transaction_id$linked_transactions)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions';
-        $request = $this->updateLinkedTransactionRequest($xero_tenant_id, $linked_transaction_id, $linked_transactions);
+        $request = $this->updateLinkedTransactionRequest($xero_tenant_id$linked_transaction_id$linked_transactions);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -54952,7 +54952,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions $linked_transactions (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateLinkedTransactionRequest($xero_tenant_id, $linked_transaction_id, $linked_transactions)
+    protected function updateLinkedTransactionRequest($xero_tenant_id$linked_transaction_id$linked_transactions)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -55063,9 +55063,9 @@ protected function updateLinkedTransactionRequest($xero_tenant_id, $linked_trans
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ManualJournals|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateManualJournal($xero_tenant_id, $manual_journal_id, $manual_journals)
+    public function updateManualJournal($xero_tenant_id$manual_journal_id$manual_journals)
     {
-        list($response) = $this->updateManualJournalWithHttpInfo($xero_tenant_id, $manual_journal_id, $manual_journals);
+        list($response) = $this->updateManualJournalWithHttpInfo($xero_tenant_id$manual_journal_id$manual_journals);
         return $response;
     }
     /**
@@ -55078,9 +55078,9 @@ public function updateManualJournal($xero_tenant_id, $manual_journal_id, $manual
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ManualJournals|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateManualJournalWithHttpInfo($xero_tenant_id, $manual_journal_id, $manual_journals)
+    public function updateManualJournalWithHttpInfo($xero_tenant_id$manual_journal_id$manual_journals)
     {
-        $request = $this->updateManualJournalRequest($xero_tenant_id, $manual_journal_id, $manual_journals);
+        $request = $this->updateManualJournalRequest($xero_tenant_id$manual_journal_id$manual_journals);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -55174,9 +55174,9 @@ public function updateManualJournalWithHttpInfo($xero_tenant_id, $manual_journal
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateManualJournalAsync($xero_tenant_id, $manual_journal_id, $manual_journals)
+    public function updateManualJournalAsync($xero_tenant_id$manual_journal_id$manual_journals)
     {
-        return $this->updateManualJournalAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id, $manual_journals)
+        return $this->updateManualJournalAsyncWithHttpInfo($xero_tenant_id$manual_journal_id$manual_journals)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -55191,10 +55191,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\ManualJournals $manual_journals (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateManualJournalAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id, $manual_journals)
+    public function updateManualJournalAsyncWithHttpInfo($xero_tenant_id$manual_journal_id$manual_journals)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ManualJournals';
-        $request = $this->updateManualJournalRequest($xero_tenant_id, $manual_journal_id, $manual_journals);
+        $request = $this->updateManualJournalRequest($xero_tenant_id$manual_journal_id$manual_journals);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -55235,7 +55235,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\ManualJournals $manual_journals (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateManualJournalRequest($xero_tenant_id, $manual_journal_id, $manual_journals)
+    protected function updateManualJournalRequest($xero_tenant_id$manual_journal_id$manual_journals)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -55347,9 +55347,9 @@ protected function updateManualJournalRequest($xero_tenant_id, $manual_journal_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateManualJournalAttachmentByFileName($xero_tenant_id, $manual_journal_id, $file_name, $body)
+    public function updateManualJournalAttachmentByFileName($xero_tenant_id$manual_journal_id$file_name$body)
     {
-        list($response) = $this->updateManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant_id, $manual_journal_id, $file_name, $body);
+        list($response) = $this->updateManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant_id$manual_journal_id$file_name$body);
         return $response;
     }
     /**
@@ -55363,9 +55363,9 @@ public function updateManualJournalAttachmentByFileName($xero_tenant_id, $manual
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant_id, $manual_journal_id, $file_name, $body)
+    public function updateManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant_id$manual_journal_id$file_name$body)
     {
-        $request = $this->updateManualJournalAttachmentByFileNameRequest($xero_tenant_id, $manual_journal_id, $file_name, $body);
+        $request = $this->updateManualJournalAttachmentByFileNameRequest($xero_tenant_id$manual_journal_id$file_name$body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -55460,9 +55460,9 @@ public function updateManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateManualJournalAttachmentByFileNameAsync($xero_tenant_id, $manual_journal_id, $file_name, $body)
+    public function updateManualJournalAttachmentByFileNameAsync($xero_tenant_id$manual_journal_id$file_name$body)
     {
-        return $this->updateManualJournalAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id, $file_name, $body)
+        return $this->updateManualJournalAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$manual_journal_id$file_name$body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -55478,10 +55478,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateManualJournalAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id, $file_name, $body)
+    public function updateManualJournalAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$manual_journal_id$file_name$body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->updateManualJournalAttachmentByFileNameRequest($xero_tenant_id, $manual_journal_id, $file_name, $body);
+        $request = $this->updateManualJournalAttachmentByFileNameRequest($xero_tenant_id$manual_journal_id$file_name$body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -55523,7 +55523,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateManualJournalAttachmentByFileNameRequest($xero_tenant_id, $manual_journal_id, $file_name, $body)
+    protected function updateManualJournalAttachmentByFileNameRequest($xero_tenant_id$manual_journal_id$file_name$body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -55649,9 +55649,9 @@ protected function updateManualJournalAttachmentByFileNameRequest($xero_tenant_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\BankTransactions|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateOrCreateBankTransactions($xero_tenant_id, $bank_transactions, $summarize_errors = false, $unitdp = null)
+    public function updateOrCreateBankTransactions($xero_tenant_id$bank_transactions$summarize_errors = false$unitdp = null)
     {
-        list($response) = $this->updateOrCreateBankTransactionsWithHttpInfo($xero_tenant_id, $bank_transactions, $summarize_errors, $unitdp);
+        list($response) = $this->updateOrCreateBankTransactionsWithHttpInfo($xero_tenant_id$bank_transactions$summarize_errors$unitdp);
         return $response;
     }
     /**
@@ -55665,9 +55665,9 @@ public function updateOrCreateBankTransactions($xero_tenant_id, $bank_transactio
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\BankTransactions|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateOrCreateBankTransactionsWithHttpInfo($xero_tenant_id, $bank_transactions, $summarize_errors = false, $unitdp = null)
+    public function updateOrCreateBankTransactionsWithHttpInfo($xero_tenant_id$bank_transactions$summarize_errors = false$unitdp = null)
     {
-        $request = $this->updateOrCreateBankTransactionsRequest($xero_tenant_id, $bank_transactions, $summarize_errors, $unitdp);
+        $request = $this->updateOrCreateBankTransactionsRequest($xero_tenant_id$bank_transactions$summarize_errors$unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -55762,9 +55762,9 @@ public function updateOrCreateBankTransactionsWithHttpInfo($xero_tenant_id, $ban
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateOrCreateBankTransactionsAsync($xero_tenant_id, $bank_transactions, $summarize_errors = false, $unitdp = null)
+    public function updateOrCreateBankTransactionsAsync($xero_tenant_id$bank_transactions$summarize_errors = false$unitdp = null)
     {
-        return $this->updateOrCreateBankTransactionsAsyncWithHttpInfo($xero_tenant_id, $bank_transactions, $summarize_errors, $unitdp)
+        return $this->updateOrCreateBankTransactionsAsyncWithHttpInfo($xero_tenant_id$bank_transactions$summarize_errors$unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -55780,10 +55780,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateOrCreateBankTransactionsAsyncWithHttpInfo($xero_tenant_id, $bank_transactions, $summarize_errors = false, $unitdp = null)
+    public function updateOrCreateBankTransactionsAsyncWithHttpInfo($xero_tenant_id$bank_transactions$summarize_errors = false$unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\BankTransactions';
-        $request = $this->updateOrCreateBankTransactionsRequest($xero_tenant_id, $bank_transactions, $summarize_errors, $unitdp);
+        $request = $this->updateOrCreateBankTransactionsRequest($xero_tenant_id$bank_transactions$summarize_errors$unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -55825,7 +55825,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateOrCreateBankTransactionsRequest($xero_tenant_id, $bank_transactions, $summarize_errors = false, $unitdp = null)
+    protected function updateOrCreateBankTransactionsRequest($xero_tenant_id$bank_transactions$summarize_errors = false$unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -55930,9 +55930,9 @@ protected function updateOrCreateBankTransactionsRequest($xero_tenant_id, $bank_
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Contacts|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateOrCreateContacts($xero_tenant_id, $contacts, $summarize_errors = false)
+    public function updateOrCreateContacts($xero_tenant_id$contacts$summarize_errors = false)
     {
-        list($response) = $this->updateOrCreateContactsWithHttpInfo($xero_tenant_id, $contacts, $summarize_errors);
+        list($response) = $this->updateOrCreateContactsWithHttpInfo($xero_tenant_id$contacts$summarize_errors);
         return $response;
     }
     /**
@@ -55945,9 +55945,9 @@ public function updateOrCreateContacts($xero_tenant_id, $contacts, $summarize_er
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Contacts|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateOrCreateContactsWithHttpInfo($xero_tenant_id, $contacts, $summarize_errors = false)
+    public function updateOrCreateContactsWithHttpInfo($xero_tenant_id$contacts$summarize_errors = false)
     {
-        $request = $this->updateOrCreateContactsRequest($xero_tenant_id, $contacts, $summarize_errors);
+        $request = $this->updateOrCreateContactsRequest($xero_tenant_id$contacts$summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -56041,9 +56041,9 @@ public function updateOrCreateContactsWithHttpInfo($xero_tenant_id, $contacts, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateOrCreateContactsAsync($xero_tenant_id, $contacts, $summarize_errors = false)
+    public function updateOrCreateContactsAsync($xero_tenant_id$contacts$summarize_errors = false)
     {
-        return $this->updateOrCreateContactsAsyncWithHttpInfo($xero_tenant_id, $contacts, $summarize_errors)
+        return $this->updateOrCreateContactsAsyncWithHttpInfo($xero_tenant_id$contacts$summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -56058,10 +56058,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateOrCreateContactsAsyncWithHttpInfo($xero_tenant_id, $contacts, $summarize_errors = false)
+    public function updateOrCreateContactsAsyncWithHttpInfo($xero_tenant_id$contacts$summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Contacts';
-        $request = $this->updateOrCreateContactsRequest($xero_tenant_id, $contacts, $summarize_errors);
+        $request = $this->updateOrCreateContactsRequest($xero_tenant_id$contacts$summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -56102,7 +56102,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateOrCreateContactsRequest($xero_tenant_id, $contacts, $summarize_errors = false)
+    protected function updateOrCreateContactsRequest($xero_tenant_id$contacts$summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -56204,9 +56204,9 @@ protected function updateOrCreateContactsRequest($xero_tenant_id, $contacts, $su
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\CreditNotes|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateOrCreateCreditNotes($xero_tenant_id, $credit_notes, $summarize_errors = false, $unitdp = null)
+    public function updateOrCreateCreditNotes($xero_tenant_id$credit_notes$summarize_errors = false$unitdp = null)
     {
-        list($response) = $this->updateOrCreateCreditNotesWithHttpInfo($xero_tenant_id, $credit_notes, $summarize_errors, $unitdp);
+        list($response) = $this->updateOrCreateCreditNotesWithHttpInfo($xero_tenant_id$credit_notes$summarize_errors$unitdp);
         return $response;
     }
     /**
@@ -56220,9 +56220,9 @@ public function updateOrCreateCreditNotes($xero_tenant_id, $credit_notes, $summa
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\CreditNotes|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateOrCreateCreditNotesWithHttpInfo($xero_tenant_id, $credit_notes, $summarize_errors = false, $unitdp = null)
+    public function updateOrCreateCreditNotesWithHttpInfo($xero_tenant_id$credit_notes$summarize_errors = false$unitdp = null)
     {
-        $request = $this->updateOrCreateCreditNotesRequest($xero_tenant_id, $credit_notes, $summarize_errors, $unitdp);
+        $request = $this->updateOrCreateCreditNotesRequest($xero_tenant_id$credit_notes$summarize_errors$unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -56317,9 +56317,9 @@ public function updateOrCreateCreditNotesWithHttpInfo($xero_tenant_id, $credit_n
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateOrCreateCreditNotesAsync($xero_tenant_id, $credit_notes, $summarize_errors = false, $unitdp = null)
+    public function updateOrCreateCreditNotesAsync($xero_tenant_id$credit_notes$summarize_errors = false$unitdp = null)
     {
-        return $this->updateOrCreateCreditNotesAsyncWithHttpInfo($xero_tenant_id, $credit_notes, $summarize_errors, $unitdp)
+        return $this->updateOrCreateCreditNotesAsyncWithHttpInfo($xero_tenant_id$credit_notes$summarize_errors$unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -56335,10 +56335,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateOrCreateCreditNotesAsyncWithHttpInfo($xero_tenant_id, $credit_notes, $summarize_errors = false, $unitdp = null)
+    public function updateOrCreateCreditNotesAsyncWithHttpInfo($xero_tenant_id$credit_notes$summarize_errors = false$unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\CreditNotes';
-        $request = $this->updateOrCreateCreditNotesRequest($xero_tenant_id, $credit_notes, $summarize_errors, $unitdp);
+        $request = $this->updateOrCreateCreditNotesRequest($xero_tenant_id$credit_notes$summarize_errors$unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -56380,7 +56380,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateOrCreateCreditNotesRequest($xero_tenant_id, $credit_notes, $summarize_errors = false, $unitdp = null)
+    protected function updateOrCreateCreditNotesRequest($xero_tenant_id$credit_notes$summarize_errors = false$unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -56485,9 +56485,9 @@ protected function updateOrCreateCreditNotesRequest($xero_tenant_id, $credit_not
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Employees|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateOrCreateEmployees($xero_tenant_id, $employees, $summarize_errors = false)
+    public function updateOrCreateEmployees($xero_tenant_id$employees$summarize_errors = false)
     {
-        list($response) = $this->updateOrCreateEmployeesWithHttpInfo($xero_tenant_id, $employees, $summarize_errors);
+        list($response) = $this->updateOrCreateEmployeesWithHttpInfo($xero_tenant_id$employees$summarize_errors);
         return $response;
     }
     /**
@@ -56500,9 +56500,9 @@ public function updateOrCreateEmployees($xero_tenant_id, $employees, $summarize_
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Employees|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateOrCreateEmployeesWithHttpInfo($xero_tenant_id, $employees, $summarize_errors = false)
+    public function updateOrCreateEmployeesWithHttpInfo($xero_tenant_id$employees$summarize_errors = false)
     {
-        $request = $this->updateOrCreateEmployeesRequest($xero_tenant_id, $employees, $summarize_errors);
+        $request = $this->updateOrCreateEmployeesRequest($xero_tenant_id$employees$summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -56596,9 +56596,9 @@ public function updateOrCreateEmployeesWithHttpInfo($xero_tenant_id, $employees,
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateOrCreateEmployeesAsync($xero_tenant_id, $employees, $summarize_errors = false)
+    public function updateOrCreateEmployeesAsync($xero_tenant_id$employees$summarize_errors = false)
     {
-        return $this->updateOrCreateEmployeesAsyncWithHttpInfo($xero_tenant_id, $employees, $summarize_errors)
+        return $this->updateOrCreateEmployeesAsyncWithHttpInfo($xero_tenant_id$employees$summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -56613,10 +56613,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateOrCreateEmployeesAsyncWithHttpInfo($xero_tenant_id, $employees, $summarize_errors = false)
+    public function updateOrCreateEmployeesAsyncWithHttpInfo($xero_tenant_id$employees$summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Employees';
-        $request = $this->updateOrCreateEmployeesRequest($xero_tenant_id, $employees, $summarize_errors);
+        $request = $this->updateOrCreateEmployeesRequest($xero_tenant_id$employees$summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -56657,7 +56657,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateOrCreateEmployeesRequest($xero_tenant_id, $employees, $summarize_errors = false)
+    protected function updateOrCreateEmployeesRequest($xero_tenant_id$employees$summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -56759,9 +56759,9 @@ protected function updateOrCreateEmployeesRequest($xero_tenant_id, $employees, $
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Invoices|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateOrCreateInvoices($xero_tenant_id, $invoices, $summarize_errors = false, $unitdp = null)
+    public function updateOrCreateInvoices($xero_tenant_id$invoices$summarize_errors = false$unitdp = null)
     {
-        list($response) = $this->updateOrCreateInvoicesWithHttpInfo($xero_tenant_id, $invoices, $summarize_errors, $unitdp);
+        list($response) = $this->updateOrCreateInvoicesWithHttpInfo($xero_tenant_id$invoices$summarize_errors$unitdp);
         return $response;
     }
     /**
@@ -56775,9 +56775,9 @@ public function updateOrCreateInvoices($xero_tenant_id, $invoices, $summarize_er
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Invoices|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateOrCreateInvoicesWithHttpInfo($xero_tenant_id, $invoices, $summarize_errors = false, $unitdp = null)
+    public function updateOrCreateInvoicesWithHttpInfo($xero_tenant_id$invoices$summarize_errors = false$unitdp = null)
     {
-        $request = $this->updateOrCreateInvoicesRequest($xero_tenant_id, $invoices, $summarize_errors, $unitdp);
+        $request = $this->updateOrCreateInvoicesRequest($xero_tenant_id$invoices$summarize_errors$unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -56872,9 +56872,9 @@ public function updateOrCreateInvoicesWithHttpInfo($xero_tenant_id, $invoices, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateOrCreateInvoicesAsync($xero_tenant_id, $invoices, $summarize_errors = false, $unitdp = null)
+    public function updateOrCreateInvoicesAsync($xero_tenant_id$invoices$summarize_errors = false$unitdp = null)
     {
-        return $this->updateOrCreateInvoicesAsyncWithHttpInfo($xero_tenant_id, $invoices, $summarize_errors, $unitdp)
+        return $this->updateOrCreateInvoicesAsyncWithHttpInfo($xero_tenant_id$invoices$summarize_errors$unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -56890,10 +56890,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateOrCreateInvoicesAsyncWithHttpInfo($xero_tenant_id, $invoices, $summarize_errors = false, $unitdp = null)
+    public function updateOrCreateInvoicesAsyncWithHttpInfo($xero_tenant_id$invoices$summarize_errors = false$unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Invoices';
-        $request = $this->updateOrCreateInvoicesRequest($xero_tenant_id, $invoices, $summarize_errors, $unitdp);
+        $request = $this->updateOrCreateInvoicesRequest($xero_tenant_id$invoices$summarize_errors$unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -56935,7 +56935,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateOrCreateInvoicesRequest($xero_tenant_id, $invoices, $summarize_errors = false, $unitdp = null)
+    protected function updateOrCreateInvoicesRequest($xero_tenant_id$invoices$summarize_errors = false$unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -57041,9 +57041,9 @@ protected function updateOrCreateInvoicesRequest($xero_tenant_id, $invoices, $su
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Items|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateOrCreateItems($xero_tenant_id, $items, $summarize_errors = false, $unitdp = null)
+    public function updateOrCreateItems($xero_tenant_id$items$summarize_errors = false$unitdp = null)
     {
-        list($response) = $this->updateOrCreateItemsWithHttpInfo($xero_tenant_id, $items, $summarize_errors, $unitdp);
+        list($response) = $this->updateOrCreateItemsWithHttpInfo($xero_tenant_id$items$summarize_errors$unitdp);
         return $response;
     }
     /**
@@ -57057,9 +57057,9 @@ public function updateOrCreateItems($xero_tenant_id, $items, $summarize_errors =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Items|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateOrCreateItemsWithHttpInfo($xero_tenant_id, $items, $summarize_errors = false, $unitdp = null)
+    public function updateOrCreateItemsWithHttpInfo($xero_tenant_id$items$summarize_errors = false$unitdp = null)
     {
-        $request = $this->updateOrCreateItemsRequest($xero_tenant_id, $items, $summarize_errors, $unitdp);
+        $request = $this->updateOrCreateItemsRequest($xero_tenant_id$items$summarize_errors$unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -57154,9 +57154,9 @@ public function updateOrCreateItemsWithHttpInfo($xero_tenant_id, $items, $summar
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateOrCreateItemsAsync($xero_tenant_id, $items, $summarize_errors = false, $unitdp = null)
+    public function updateOrCreateItemsAsync($xero_tenant_id$items$summarize_errors = false$unitdp = null)
     {
-        return $this->updateOrCreateItemsAsyncWithHttpInfo($xero_tenant_id, $items, $summarize_errors, $unitdp)
+        return $this->updateOrCreateItemsAsyncWithHttpInfo($xero_tenant_id$items$summarize_errors$unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -57172,10 +57172,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateOrCreateItemsAsyncWithHttpInfo($xero_tenant_id, $items, $summarize_errors = false, $unitdp = null)
+    public function updateOrCreateItemsAsyncWithHttpInfo($xero_tenant_id$items$summarize_errors = false$unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Items';
-        $request = $this->updateOrCreateItemsRequest($xero_tenant_id, $items, $summarize_errors, $unitdp);
+        $request = $this->updateOrCreateItemsRequest($xero_tenant_id$items$summarize_errors$unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -57217,7 +57217,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateOrCreateItemsRequest($xero_tenant_id, $items, $summarize_errors = false, $unitdp = null)
+    protected function updateOrCreateItemsRequest($xero_tenant_id$items$summarize_errors = false$unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -57322,9 +57322,9 @@ protected function updateOrCreateItemsRequest($xero_tenant_id, $items, $summariz
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ManualJournals|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateOrCreateManualJournals($xero_tenant_id, $manual_journals, $summarize_errors = false)
+    public function updateOrCreateManualJournals($xero_tenant_id$manual_journals$summarize_errors = false)
     {
-        list($response) = $this->updateOrCreateManualJournalsWithHttpInfo($xero_tenant_id, $manual_journals, $summarize_errors);
+        list($response) = $this->updateOrCreateManualJournalsWithHttpInfo($xero_tenant_id$manual_journals$summarize_errors);
         return $response;
     }
     /**
@@ -57337,9 +57337,9 @@ public function updateOrCreateManualJournals($xero_tenant_id, $manual_journals,
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ManualJournals|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateOrCreateManualJournalsWithHttpInfo($xero_tenant_id, $manual_journals, $summarize_errors = false)
+    public function updateOrCreateManualJournalsWithHttpInfo($xero_tenant_id$manual_journals$summarize_errors = false)
     {
-        $request = $this->updateOrCreateManualJournalsRequest($xero_tenant_id, $manual_journals, $summarize_errors);
+        $request = $this->updateOrCreateManualJournalsRequest($xero_tenant_id$manual_journals$summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -57433,9 +57433,9 @@ public function updateOrCreateManualJournalsWithHttpInfo($xero_tenant_id, $manua
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateOrCreateManualJournalsAsync($xero_tenant_id, $manual_journals, $summarize_errors = false)
+    public function updateOrCreateManualJournalsAsync($xero_tenant_id$manual_journals$summarize_errors = false)
     {
-        return $this->updateOrCreateManualJournalsAsyncWithHttpInfo($xero_tenant_id, $manual_journals, $summarize_errors)
+        return $this->updateOrCreateManualJournalsAsyncWithHttpInfo($xero_tenant_id$manual_journals$summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -57450,10 +57450,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateOrCreateManualJournalsAsyncWithHttpInfo($xero_tenant_id, $manual_journals, $summarize_errors = false)
+    public function updateOrCreateManualJournalsAsyncWithHttpInfo($xero_tenant_id$manual_journals$summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ManualJournals';
-        $request = $this->updateOrCreateManualJournalsRequest($xero_tenant_id, $manual_journals, $summarize_errors);
+        $request = $this->updateOrCreateManualJournalsRequest($xero_tenant_id$manual_journals$summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -57494,7 +57494,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateOrCreateManualJournalsRequest($xero_tenant_id, $manual_journals, $summarize_errors = false)
+    protected function updateOrCreateManualJournalsRequest($xero_tenant_id$manual_journals$summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -57595,9 +57595,9 @@ protected function updateOrCreateManualJournalsRequest($xero_tenant_id, $manual_
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateOrCreatePurchaseOrders($xero_tenant_id, $purchase_orders, $summarize_errors = false)
+    public function updateOrCreatePurchaseOrders($xero_tenant_id$purchase_orders$summarize_errors = false)
     {
-        list($response) = $this->updateOrCreatePurchaseOrdersWithHttpInfo($xero_tenant_id, $purchase_orders, $summarize_errors);
+        list($response) = $this->updateOrCreatePurchaseOrdersWithHttpInfo($xero_tenant_id$purchase_orders$summarize_errors);
         return $response;
     }
     /**
@@ -57610,9 +57610,9 @@ public function updateOrCreatePurchaseOrders($xero_tenant_id, $purchase_orders,
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateOrCreatePurchaseOrdersWithHttpInfo($xero_tenant_id, $purchase_orders, $summarize_errors = false)
+    public function updateOrCreatePurchaseOrdersWithHttpInfo($xero_tenant_id$purchase_orders$summarize_errors = false)
     {
-        $request = $this->updateOrCreatePurchaseOrdersRequest($xero_tenant_id, $purchase_orders, $summarize_errors);
+        $request = $this->updateOrCreatePurchaseOrdersRequest($xero_tenant_id$purchase_orders$summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -57706,9 +57706,9 @@ public function updateOrCreatePurchaseOrdersWithHttpInfo($xero_tenant_id, $purch
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateOrCreatePurchaseOrdersAsync($xero_tenant_id, $purchase_orders, $summarize_errors = false)
+    public function updateOrCreatePurchaseOrdersAsync($xero_tenant_id$purchase_orders$summarize_errors = false)
     {
-        return $this->updateOrCreatePurchaseOrdersAsyncWithHttpInfo($xero_tenant_id, $purchase_orders, $summarize_errors)
+        return $this->updateOrCreatePurchaseOrdersAsyncWithHttpInfo($xero_tenant_id$purchase_orders$summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -57723,10 +57723,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateOrCreatePurchaseOrdersAsyncWithHttpInfo($xero_tenant_id, $purchase_orders, $summarize_errors = false)
+    public function updateOrCreatePurchaseOrdersAsyncWithHttpInfo($xero_tenant_id$purchase_orders$summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders';
-        $request = $this->updateOrCreatePurchaseOrdersRequest($xero_tenant_id, $purchase_orders, $summarize_errors);
+        $request = $this->updateOrCreatePurchaseOrdersRequest($xero_tenant_id$purchase_orders$summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -57767,7 +57767,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateOrCreatePurchaseOrdersRequest($xero_tenant_id, $purchase_orders, $summarize_errors = false)
+    protected function updateOrCreatePurchaseOrdersRequest($xero_tenant_id$purchase_orders$summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -57868,9 +57868,9 @@ protected function updateOrCreatePurchaseOrdersRequest($xero_tenant_id, $purchas
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Quotes|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateOrCreateQuotes($xero_tenant_id, $quotes, $summarize_errors = false)
+    public function updateOrCreateQuotes($xero_tenant_id$quotes$summarize_errors = false)
     {
-        list($response) = $this->updateOrCreateQuotesWithHttpInfo($xero_tenant_id, $quotes, $summarize_errors);
+        list($response) = $this->updateOrCreateQuotesWithHttpInfo($xero_tenant_id$quotes$summarize_errors);
         return $response;
     }
     /**
@@ -57883,9 +57883,9 @@ public function updateOrCreateQuotes($xero_tenant_id, $quotes, $summarize_errors
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Quotes|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateOrCreateQuotesWithHttpInfo($xero_tenant_id, $quotes, $summarize_errors = false)
+    public function updateOrCreateQuotesWithHttpInfo($xero_tenant_id$quotes$summarize_errors = false)
     {
-        $request = $this->updateOrCreateQuotesRequest($xero_tenant_id, $quotes, $summarize_errors);
+        $request = $this->updateOrCreateQuotesRequest($xero_tenant_id$quotes$summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -57979,9 +57979,9 @@ public function updateOrCreateQuotesWithHttpInfo($xero_tenant_id, $quotes, $summ
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateOrCreateQuotesAsync($xero_tenant_id, $quotes, $summarize_errors = false)
+    public function updateOrCreateQuotesAsync($xero_tenant_id$quotes$summarize_errors = false)
     {
-        return $this->updateOrCreateQuotesAsyncWithHttpInfo($xero_tenant_id, $quotes, $summarize_errors)
+        return $this->updateOrCreateQuotesAsyncWithHttpInfo($xero_tenant_id$quotes$summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -57996,10 +57996,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateOrCreateQuotesAsyncWithHttpInfo($xero_tenant_id, $quotes, $summarize_errors = false)
+    public function updateOrCreateQuotesAsyncWithHttpInfo($xero_tenant_id$quotes$summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Quotes';
-        $request = $this->updateOrCreateQuotesRequest($xero_tenant_id, $quotes, $summarize_errors);
+        $request = $this->updateOrCreateQuotesRequest($xero_tenant_id$quotes$summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -58040,7 +58040,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateOrCreateQuotesRequest($xero_tenant_id, $quotes, $summarize_errors = false)
+    protected function updateOrCreateQuotesRequest($xero_tenant_id$quotes$summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -58141,9 +58141,9 @@ protected function updateOrCreateQuotesRequest($xero_tenant_id, $quotes, $summar
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updatePurchaseOrder($xero_tenant_id, $purchase_order_id, $purchase_orders)
+    public function updatePurchaseOrder($xero_tenant_id$purchase_order_id$purchase_orders)
     {
-        list($response) = $this->updatePurchaseOrderWithHttpInfo($xero_tenant_id, $purchase_order_id, $purchase_orders);
+        list($response) = $this->updatePurchaseOrderWithHttpInfo($xero_tenant_id$purchase_order_id$purchase_orders);
         return $response;
     }
     /**
@@ -58156,9 +58156,9 @@ public function updatePurchaseOrder($xero_tenant_id, $purchase_order_id, $purcha
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updatePurchaseOrderWithHttpInfo($xero_tenant_id, $purchase_order_id, $purchase_orders)
+    public function updatePurchaseOrderWithHttpInfo($xero_tenant_id$purchase_order_id$purchase_orders)
     {
-        $request = $this->updatePurchaseOrderRequest($xero_tenant_id, $purchase_order_id, $purchase_orders);
+        $request = $this->updatePurchaseOrderRequest($xero_tenant_id$purchase_order_id$purchase_orders);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -58252,9 +58252,9 @@ public function updatePurchaseOrderWithHttpInfo($xero_tenant_id, $purchase_order
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updatePurchaseOrderAsync($xero_tenant_id, $purchase_order_id, $purchase_orders)
+    public function updatePurchaseOrderAsync($xero_tenant_id$purchase_order_id$purchase_orders)
     {
-        return $this->updatePurchaseOrderAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id, $purchase_orders)
+        return $this->updatePurchaseOrderAsyncWithHttpInfo($xero_tenant_id$purchase_order_id$purchase_orders)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -58269,10 +58269,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders $purchase_orders (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updatePurchaseOrderAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id, $purchase_orders)
+    public function updatePurchaseOrderAsyncWithHttpInfo($xero_tenant_id$purchase_order_id$purchase_orders)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders';
-        $request = $this->updatePurchaseOrderRequest($xero_tenant_id, $purchase_order_id, $purchase_orders);
+        $request = $this->updatePurchaseOrderRequest($xero_tenant_id$purchase_order_id$purchase_orders);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -58313,7 +58313,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders $purchase_orders (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updatePurchaseOrderRequest($xero_tenant_id, $purchase_order_id, $purchase_orders)
+    protected function updatePurchaseOrderRequest($xero_tenant_id$purchase_order_id$purchase_orders)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -58425,9 +58425,9 @@ protected function updatePurchaseOrderRequest($xero_tenant_id, $purchase_order_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updatePurchaseOrderAttachmentByFileName($xero_tenant_id, $purchase_order_id, $file_name, $body)
+    public function updatePurchaseOrderAttachmentByFileName($xero_tenant_id$purchase_order_id$file_name$body)
     {
-        list($response) = $this->updatePurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant_id, $purchase_order_id, $file_name, $body);
+        list($response) = $this->updatePurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant_id$purchase_order_id$file_name$body);
         return $response;
     }
     /**
@@ -58441,9 +58441,9 @@ public function updatePurchaseOrderAttachmentByFileName($xero_tenant_id, $purcha
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updatePurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant_id, $purchase_order_id, $file_name, $body)
+    public function updatePurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant_id$purchase_order_id$file_name$body)
     {
-        $request = $this->updatePurchaseOrderAttachmentByFileNameRequest($xero_tenant_id, $purchase_order_id, $file_name, $body);
+        $request = $this->updatePurchaseOrderAttachmentByFileNameRequest($xero_tenant_id$purchase_order_id$file_name$body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -58538,9 +58538,9 @@ public function updatePurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updatePurchaseOrderAttachmentByFileNameAsync($xero_tenant_id, $purchase_order_id, $file_name, $body)
+    public function updatePurchaseOrderAttachmentByFileNameAsync($xero_tenant_id$purchase_order_id$file_name$body)
     {
-        return $this->updatePurchaseOrderAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id, $file_name, $body)
+        return $this->updatePurchaseOrderAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$purchase_order_id$file_name$body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -58556,10 +58556,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updatePurchaseOrderAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id, $file_name, $body)
+    public function updatePurchaseOrderAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$purchase_order_id$file_name$body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->updatePurchaseOrderAttachmentByFileNameRequest($xero_tenant_id, $purchase_order_id, $file_name, $body);
+        $request = $this->updatePurchaseOrderAttachmentByFileNameRequest($xero_tenant_id$purchase_order_id$file_name$body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -58601,7 +58601,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updatePurchaseOrderAttachmentByFileNameRequest($xero_tenant_id, $purchase_order_id, $file_name, $body)
+    protected function updatePurchaseOrderAttachmentByFileNameRequest($xero_tenant_id$purchase_order_id$file_name$body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -58726,9 +58726,9 @@ protected function updatePurchaseOrderAttachmentByFileNameRequest($xero_tenant_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Quotes|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateQuote($xero_tenant_id, $quote_id, $quotes)
+    public function updateQuote($xero_tenant_id$quote_id$quotes)
     {
-        list($response) = $this->updateQuoteWithHttpInfo($xero_tenant_id, $quote_id, $quotes);
+        list($response) = $this->updateQuoteWithHttpInfo($xero_tenant_id$quote_id$quotes);
         return $response;
     }
     /**
@@ -58741,9 +58741,9 @@ public function updateQuote($xero_tenant_id, $quote_id, $quotes)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Quotes|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateQuoteWithHttpInfo($xero_tenant_id, $quote_id, $quotes)
+    public function updateQuoteWithHttpInfo($xero_tenant_id$quote_id$quotes)
     {
-        $request = $this->updateQuoteRequest($xero_tenant_id, $quote_id, $quotes);
+        $request = $this->updateQuoteRequest($xero_tenant_id$quote_id$quotes);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -58837,9 +58837,9 @@ public function updateQuoteWithHttpInfo($xero_tenant_id, $quote_id, $quotes)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateQuoteAsync($xero_tenant_id, $quote_id, $quotes)
+    public function updateQuoteAsync($xero_tenant_id$quote_id$quotes)
     {
-        return $this->updateQuoteAsyncWithHttpInfo($xero_tenant_id, $quote_id, $quotes)
+        return $this->updateQuoteAsyncWithHttpInfo($xero_tenant_id$quote_id$quotes)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -58854,10 +58854,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Quotes $quotes (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateQuoteAsyncWithHttpInfo($xero_tenant_id, $quote_id, $quotes)
+    public function updateQuoteAsyncWithHttpInfo($xero_tenant_id$quote_id$quotes)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Quotes';
-        $request = $this->updateQuoteRequest($xero_tenant_id, $quote_id, $quotes);
+        $request = $this->updateQuoteRequest($xero_tenant_id$quote_id$quotes);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -58898,7 +58898,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Quotes $quotes (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateQuoteRequest($xero_tenant_id, $quote_id, $quotes)
+    protected function updateQuoteRequest($xero_tenant_id$quote_id$quotes)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -59010,9 +59010,9 @@ protected function updateQuoteRequest($xero_tenant_id, $quote_id, $quotes)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateQuoteAttachmentByFileName($xero_tenant_id, $quote_id, $file_name, $body)
+    public function updateQuoteAttachmentByFileName($xero_tenant_id$quote_id$file_name$body)
     {
-        list($response) = $this->updateQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $quote_id, $file_name, $body);
+        list($response) = $this->updateQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$quote_id$file_name$body);
         return $response;
     }
     /**
@@ -59026,9 +59026,9 @@ public function updateQuoteAttachmentByFileName($xero_tenant_id, $quote_id, $fil
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $quote_id, $file_name, $body)
+    public function updateQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$quote_id$file_name$body)
     {
-        $request = $this->updateQuoteAttachmentByFileNameRequest($xero_tenant_id, $quote_id, $file_name, $body);
+        $request = $this->updateQuoteAttachmentByFileNameRequest($xero_tenant_id$quote_id$file_name$body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -59123,9 +59123,9 @@ public function updateQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $qu
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateQuoteAttachmentByFileNameAsync($xero_tenant_id, $quote_id, $file_name, $body)
+    public function updateQuoteAttachmentByFileNameAsync($xero_tenant_id$quote_id$file_name$body)
     {
-        return $this->updateQuoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $quote_id, $file_name, $body)
+        return $this->updateQuoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$quote_id$file_name$body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -59141,10 +59141,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateQuoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $quote_id, $file_name, $body)
+    public function updateQuoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$quote_id$file_name$body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->updateQuoteAttachmentByFileNameRequest($xero_tenant_id, $quote_id, $file_name, $body);
+        $request = $this->updateQuoteAttachmentByFileNameRequest($xero_tenant_id$quote_id$file_name$body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -59186,7 +59186,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateQuoteAttachmentByFileNameRequest($xero_tenant_id, $quote_id, $file_name, $body)
+    protected function updateQuoteAttachmentByFileNameRequest($xero_tenant_id$quote_id$file_name$body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -59312,9 +59312,9 @@ protected function updateQuoteAttachmentByFileNameRequest($xero_tenant_id, $quot
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Receipts|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateReceipt($xero_tenant_id, $receipt_id, $receipts, $unitdp = null)
+    public function updateReceipt($xero_tenant_id$receipt_id$receipts$unitdp = null)
     {
-        list($response) = $this->updateReceiptWithHttpInfo($xero_tenant_id, $receipt_id, $receipts, $unitdp);
+        list($response) = $this->updateReceiptWithHttpInfo($xero_tenant_id$receipt_id$receipts$unitdp);
         return $response;
     }
     /**
@@ -59328,9 +59328,9 @@ public function updateReceipt($xero_tenant_id, $receipt_id, $receipts, $unitdp =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Receipts|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateReceiptWithHttpInfo($xero_tenant_id, $receipt_id, $receipts, $unitdp = null)
+    public function updateReceiptWithHttpInfo($xero_tenant_id$receipt_id$receipts$unitdp = null)
     {
-        $request = $this->updateReceiptRequest($xero_tenant_id, $receipt_id, $receipts, $unitdp);
+        $request = $this->updateReceiptRequest($xero_tenant_id$receipt_id$receipts$unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -59425,9 +59425,9 @@ public function updateReceiptWithHttpInfo($xero_tenant_id, $receipt_id, $receipt
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateReceiptAsync($xero_tenant_id, $receipt_id, $receipts, $unitdp = null)
+    public function updateReceiptAsync($xero_tenant_id$receipt_id$receipts$unitdp = null)
     {
-        return $this->updateReceiptAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $receipts, $unitdp)
+        return $this->updateReceiptAsyncWithHttpInfo($xero_tenant_id$receipt_id$receipts$unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -59443,10 +59443,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateReceiptAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $receipts, $unitdp = null)
+    public function updateReceiptAsyncWithHttpInfo($xero_tenant_id$receipt_id$receipts$unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Receipts';
-        $request = $this->updateReceiptRequest($xero_tenant_id, $receipt_id, $receipts, $unitdp);
+        $request = $this->updateReceiptRequest($xero_tenant_id$receipt_id$receipts$unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -59488,7 +59488,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateReceiptRequest($xero_tenant_id, $receipt_id, $receipts, $unitdp = null)
+    protected function updateReceiptRequest($xero_tenant_id$receipt_id$receipts$unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -59604,9 +59604,9 @@ protected function updateReceiptRequest($xero_tenant_id, $receipt_id, $receipts,
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateReceiptAttachmentByFileName($xero_tenant_id, $receipt_id, $file_name, $body)
+    public function updateReceiptAttachmentByFileName($xero_tenant_id$receipt_id$file_name$body)
     {
-        list($response) = $this->updateReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id, $receipt_id, $file_name, $body);
+        list($response) = $this->updateReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id$receipt_id$file_name$body);
         return $response;
     }
     /**
@@ -59620,9 +59620,9 @@ public function updateReceiptAttachmentByFileName($xero_tenant_id, $receipt_id,
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id, $receipt_id, $file_name, $body)
+    public function updateReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id$receipt_id$file_name$body)
     {
-        $request = $this->updateReceiptAttachmentByFileNameRequest($xero_tenant_id, $receipt_id, $file_name, $body);
+        $request = $this->updateReceiptAttachmentByFileNameRequest($xero_tenant_id$receipt_id$file_name$body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -59717,9 +59717,9 @@ public function updateReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateReceiptAttachmentByFileNameAsync($xero_tenant_id, $receipt_id, $file_name, $body)
+    public function updateReceiptAttachmentByFileNameAsync($xero_tenant_id$receipt_id$file_name$body)
     {
-        return $this->updateReceiptAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $file_name, $body)
+        return $this->updateReceiptAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$receipt_id$file_name$body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -59735,10 +59735,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateReceiptAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $file_name, $body)
+    public function updateReceiptAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$receipt_id$file_name$body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->updateReceiptAttachmentByFileNameRequest($xero_tenant_id, $receipt_id, $file_name, $body);
+        $request = $this->updateReceiptAttachmentByFileNameRequest($xero_tenant_id$receipt_id$file_name$body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -59780,7 +59780,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateReceiptAttachmentByFileNameRequest($xero_tenant_id, $receipt_id, $file_name, $body)
+    protected function updateReceiptAttachmentByFileNameRequest($xero_tenant_id$receipt_id$file_name$body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -59906,9 +59906,9 @@ protected function updateReceiptAttachmentByFileNameRequest($xero_tenant_id, $re
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateRepeatingInvoiceAttachmentByFileName($xero_tenant_id, $repeating_invoice_id, $file_name, $body)
+    public function updateRepeatingInvoiceAttachmentByFileName($xero_tenant_id$repeating_invoice_id$file_name$body)
     {
-        list($response) = $this->updateRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $file_name, $body);
+        list($response) = $this->updateRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id$repeating_invoice_id$file_name$body);
         return $response;
     }
     /**
@@ -59922,9 +59922,9 @@ public function updateRepeatingInvoiceAttachmentByFileName($xero_tenant_id, $rep
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $file_name, $body)
+    public function updateRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id$repeating_invoice_id$file_name$body)
     {
-        $request = $this->updateRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id, $repeating_invoice_id, $file_name, $body);
+        $request = $this->updateRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id$repeating_invoice_id$file_name$body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -60019,9 +60019,9 @@ public function updateRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_ten
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateRepeatingInvoiceAttachmentByFileNameAsync($xero_tenant_id, $repeating_invoice_id, $file_name, $body)
+    public function updateRepeatingInvoiceAttachmentByFileNameAsync($xero_tenant_id$repeating_invoice_id$file_name$body)
     {
-        return $this->updateRepeatingInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $file_name, $body)
+        return $this->updateRepeatingInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id$file_name$body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -60037,10 +60037,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateRepeatingInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $file_name, $body)
+    public function updateRepeatingInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id$file_name$body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->updateRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id, $repeating_invoice_id, $file_name, $body);
+        $request = $this->updateRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id$repeating_invoice_id$file_name$body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -60082,7 +60082,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id, $repeating_invoice_id, $file_name, $body)
+    protected function updateRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id$repeating_invoice_id$file_name$body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -60206,9 +60206,9 @@ protected function updateRepeatingInvoiceAttachmentByFileNameRequest($xero_tenan
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\TaxRates|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateTaxRate($xero_tenant_id, $tax_rates)
+    public function updateTaxRate($xero_tenant_id$tax_rates)
     {
-        list($response) = $this->updateTaxRateWithHttpInfo($xero_tenant_id, $tax_rates);
+        list($response) = $this->updateTaxRateWithHttpInfo($xero_tenant_id$tax_rates);
         return $response;
     }
     /**
@@ -60220,9 +60220,9 @@ public function updateTaxRate($xero_tenant_id, $tax_rates)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\TaxRates|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateTaxRateWithHttpInfo($xero_tenant_id, $tax_rates)
+    public function updateTaxRateWithHttpInfo($xero_tenant_id$tax_rates)
     {
-        $request = $this->updateTaxRateRequest($xero_tenant_id, $tax_rates);
+        $request = $this->updateTaxRateRequest($xero_tenant_id$tax_rates);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -60315,9 +60315,9 @@ public function updateTaxRateWithHttpInfo($xero_tenant_id, $tax_rates)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateTaxRateAsync($xero_tenant_id, $tax_rates)
+    public function updateTaxRateAsync($xero_tenant_id$tax_rates)
     {
-        return $this->updateTaxRateAsyncWithHttpInfo($xero_tenant_id, $tax_rates)
+        return $this->updateTaxRateAsyncWithHttpInfo($xero_tenant_id$tax_rates)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -60331,10 +60331,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\TaxRates $tax_rates (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateTaxRateAsyncWithHttpInfo($xero_tenant_id, $tax_rates)
+    public function updateTaxRateAsyncWithHttpInfo($xero_tenant_id$tax_rates)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\TaxRates';
-        $request = $this->updateTaxRateRequest($xero_tenant_id, $tax_rates);
+        $request = $this->updateTaxRateRequest($xero_tenant_id$tax_rates);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -60374,7 +60374,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\TaxRates $tax_rates (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateTaxRateRequest($xero_tenant_id, $tax_rates)
+    protected function updateTaxRateRequest($xero_tenant_id$tax_rates)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -60471,9 +60471,9 @@ protected function updateTaxRateRequest($xero_tenant_id, $tax_rates)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\TrackingCategories|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateTrackingCategory($xero_tenant_id, $tracking_category_id, $tracking_category)
+    public function updateTrackingCategory($xero_tenant_id$tracking_category_id$tracking_category)
     {
-        list($response) = $this->updateTrackingCategoryWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_category);
+        list($response) = $this->updateTrackingCategoryWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_category);
         return $response;
     }
     /**
@@ -60486,9 +60486,9 @@ public function updateTrackingCategory($xero_tenant_id, $tracking_category_id, $
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\TrackingCategories|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateTrackingCategoryWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_category)
+    public function updateTrackingCategoryWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_category)
     {
-        $request = $this->updateTrackingCategoryRequest($xero_tenant_id, $tracking_category_id, $tracking_category);
+        $request = $this->updateTrackingCategoryRequest($xero_tenant_id$tracking_category_id$tracking_category);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -60582,9 +60582,9 @@ public function updateTrackingCategoryWithHttpInfo($xero_tenant_id, $tracking_ca
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateTrackingCategoryAsync($xero_tenant_id, $tracking_category_id, $tracking_category)
+    public function updateTrackingCategoryAsync($xero_tenant_id$tracking_category_id$tracking_category)
     {
-        return $this->updateTrackingCategoryAsyncWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_category)
+        return $this->updateTrackingCategoryAsyncWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_category)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -60599,10 +60599,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\TrackingCategory $tracking_category (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateTrackingCategoryAsyncWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_category)
+    public function updateTrackingCategoryAsyncWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_category)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\TrackingCategories';
-        $request = $this->updateTrackingCategoryRequest($xero_tenant_id, $tracking_category_id, $tracking_category);
+        $request = $this->updateTrackingCategoryRequest($xero_tenant_id$tracking_category_id$tracking_category);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -60643,7 +60643,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\TrackingCategory $tracking_category (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateTrackingCategoryRequest($xero_tenant_id, $tracking_category_id, $tracking_category)
+    protected function updateTrackingCategoryRequest($xero_tenant_id$tracking_category_id$tracking_category)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -60755,9 +60755,9 @@ protected function updateTrackingCategoryRequest($xero_tenant_id, $tracking_cate
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\TrackingOptions|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateTrackingOptions($xero_tenant_id, $tracking_category_id, $tracking_option_id, $tracking_option)
+    public function updateTrackingOptions($xero_tenant_id$tracking_category_id$tracking_option_id$tracking_option)
     {
-        list($response) = $this->updateTrackingOptionsWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_option_id, $tracking_option);
+        list($response) = $this->updateTrackingOptionsWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_option_id$tracking_option);
         return $response;
     }
     /**
@@ -60771,9 +60771,9 @@ public function updateTrackingOptions($xero_tenant_id, $tracking_category_id, $t
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\TrackingOptions|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateTrackingOptionsWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_option_id, $tracking_option)
+    public function updateTrackingOptionsWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_option_id$tracking_option)
     {
-        $request = $this->updateTrackingOptionsRequest($xero_tenant_id, $tracking_category_id, $tracking_option_id, $tracking_option);
+        $request = $this->updateTrackingOptionsRequest($xero_tenant_id$tracking_category_id$tracking_option_id$tracking_option);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -60868,9 +60868,9 @@ public function updateTrackingOptionsWithHttpInfo($xero_tenant_id, $tracking_cat
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateTrackingOptionsAsync($xero_tenant_id, $tracking_category_id, $tracking_option_id, $tracking_option)
+    public function updateTrackingOptionsAsync($xero_tenant_id$tracking_category_id$tracking_option_id$tracking_option)
     {
-        return $this->updateTrackingOptionsAsyncWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_option_id, $tracking_option)
+        return $this->updateTrackingOptionsAsyncWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_option_id$tracking_option)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -60886,10 +60886,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\TrackingOption $tracking_option (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateTrackingOptionsAsyncWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_option_id, $tracking_option)
+    public function updateTrackingOptionsAsyncWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_option_id$tracking_option)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\TrackingOptions';
-        $request = $this->updateTrackingOptionsRequest($xero_tenant_id, $tracking_category_id, $tracking_option_id, $tracking_option);
+        $request = $this->updateTrackingOptionsRequest($xero_tenant_id$tracking_category_id$tracking_option_id$tracking_option);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -60931,7 +60931,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\TrackingOption $tracking_option (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateTrackingOptionsRequest($xero_tenant_id, $tracking_category_id, $tracking_option_id, $tracking_option)
+    protected function updateTrackingOptionsRequest($xero_tenant_id$tracking_category_id$tracking_option_id$tracking_option)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
diff --git a/lib/Api/AppStoreApi.php b/lib/Api/AppStoreApi.php
index eb6d603f..78ae3342 100644
--- a/lib/Api/AppStoreApi.php
+++ b/lib/Api/AppStoreApi.php
@@ -14,10 +14,10 @@
  *
  * These endpoints are for Xero Partners to interact with the App Store Billing platform
  *
- * OpenAPI spec version: 2.19.3
+ * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
diff --git a/lib/Api/AssetApi.php b/lib/Api/AssetApi.php
index 00e3948d..5304114f 100644
--- a/lib/Api/AssetApi.php
+++ b/lib/Api/AssetApi.php
@@ -14,10 +14,10 @@
  *
  * The Assets API exposes fixed asset related functions of the Xero Accounting application and can be used for a variety of purposes such as creating assets, retrieving asset valuations etc.
  *
- * OpenAPI spec version: 2.19.3
+ * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
@@ -94,9 +94,9 @@ public function getConfig()
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Asset\Asset
      */
-    public function createAsset($xero_tenant_id, $asset)
+    public function createAsset($xero_tenant_id$asset)
     {
-        list($response) = $this->createAssetWithHttpInfo($xero_tenant_id, $asset);
+        list($response) = $this->createAssetWithHttpInfo($xero_tenant_id$asset);
         return $response;
     }
     /**
@@ -108,9 +108,9 @@ public function createAsset($xero_tenant_id, $asset)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Asset\Asset, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createAssetWithHttpInfo($xero_tenant_id, $asset)
+    public function createAssetWithHttpInfo($xero_tenant_id$asset)
     {
-        $request = $this->createAssetRequest($xero_tenant_id, $asset);
+        $request = $this->createAssetRequest($xero_tenant_id$asset);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -184,9 +184,9 @@ public function createAssetWithHttpInfo($xero_tenant_id, $asset)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createAssetAsync($xero_tenant_id, $asset)
+    public function createAssetAsync($xero_tenant_id$asset)
     {
-        return $this->createAssetAsyncWithHttpInfo($xero_tenant_id, $asset)
+        return $this->createAssetAsyncWithHttpInfo($xero_tenant_id$asset)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -200,10 +200,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Asset\Asset $asset Fixed asset you are creating (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createAssetAsyncWithHttpInfo($xero_tenant_id, $asset)
+    public function createAssetAsyncWithHttpInfo($xero_tenant_id$asset)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Asset\Asset';
-        $request = $this->createAssetRequest($xero_tenant_id, $asset);
+        $request = $this->createAssetRequest($xero_tenant_id$asset);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -243,7 +243,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Asset\Asset $asset Fixed asset you are creating (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createAssetRequest($xero_tenant_id, $asset)
+    protected function createAssetRequest($xero_tenant_id$asset)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -339,9 +339,9 @@ protected function createAssetRequest($xero_tenant_id, $asset)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Asset\AssetType
      */
-    public function createAssetType($xero_tenant_id, $asset_type = null)
+    public function createAssetType($xero_tenant_id$asset_type = null)
     {
-        list($response) = $this->createAssetTypeWithHttpInfo($xero_tenant_id, $asset_type);
+        list($response) = $this->createAssetTypeWithHttpInfo($xero_tenant_id$asset_type);
         return $response;
     }
     /**
@@ -353,9 +353,9 @@ public function createAssetType($xero_tenant_id, $asset_type = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Asset\AssetType, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createAssetTypeWithHttpInfo($xero_tenant_id, $asset_type = null)
+    public function createAssetTypeWithHttpInfo($xero_tenant_id$asset_type = null)
     {
-        $request = $this->createAssetTypeRequest($xero_tenant_id, $asset_type);
+        $request = $this->createAssetTypeRequest($xero_tenant_id$asset_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -429,9 +429,9 @@ public function createAssetTypeWithHttpInfo($xero_tenant_id, $asset_type = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createAssetTypeAsync($xero_tenant_id, $asset_type = null)
+    public function createAssetTypeAsync($xero_tenant_id$asset_type = null)
     {
-        return $this->createAssetTypeAsyncWithHttpInfo($xero_tenant_id, $asset_type)
+        return $this->createAssetTypeAsyncWithHttpInfo($xero_tenant_id$asset_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -445,10 +445,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Asset\AssetType $asset_type Asset type to add (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createAssetTypeAsyncWithHttpInfo($xero_tenant_id, $asset_type = null)
+    public function createAssetTypeAsyncWithHttpInfo($xero_tenant_id$asset_type = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Asset\AssetType';
-        $request = $this->createAssetTypeRequest($xero_tenant_id, $asset_type);
+        $request = $this->createAssetTypeRequest($xero_tenant_id$asset_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -488,7 +488,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Asset\AssetType $asset_type Asset type to add (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createAssetTypeRequest($xero_tenant_id, $asset_type = null)
+    protected function createAssetTypeRequest($xero_tenant_id$asset_type = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -578,9 +578,9 @@ protected function createAssetTypeRequest($xero_tenant_id, $asset_type = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Asset\Asset
      */
-    public function getAssetById($xero_tenant_id, $id)
+    public function getAssetById($xero_tenant_id$id)
     {
-        list($response) = $this->getAssetByIdWithHttpInfo($xero_tenant_id, $id);
+        list($response) = $this->getAssetByIdWithHttpInfo($xero_tenant_id$id);
         return $response;
     }
     /**
@@ -592,9 +592,9 @@ public function getAssetById($xero_tenant_id, $id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Asset\Asset, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getAssetByIdWithHttpInfo($xero_tenant_id, $id)
+    public function getAssetByIdWithHttpInfo($xero_tenant_id$id)
     {
-        $request = $this->getAssetByIdRequest($xero_tenant_id, $id);
+        $request = $this->getAssetByIdRequest($xero_tenant_id$id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -668,9 +668,9 @@ public function getAssetByIdWithHttpInfo($xero_tenant_id, $id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getAssetByIdAsync($xero_tenant_id, $id)
+    public function getAssetByIdAsync($xero_tenant_id$id)
     {
-        return $this->getAssetByIdAsyncWithHttpInfo($xero_tenant_id, $id)
+        return $this->getAssetByIdAsyncWithHttpInfo($xero_tenant_id$id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -684,10 +684,10 @@ function ($response) {
      * @param  string $id fixed asset id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getAssetByIdAsyncWithHttpInfo($xero_tenant_id, $id)
+    public function getAssetByIdAsyncWithHttpInfo($xero_tenant_id$id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Asset\Asset';
-        $request = $this->getAssetByIdRequest($xero_tenant_id, $id);
+        $request = $this->getAssetByIdRequest($xero_tenant_id$id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -727,7 +727,7 @@ function ($exception) {
      * @param  string $id fixed asset id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getAssetByIdRequest($xero_tenant_id, $id)
+    protected function getAssetByIdRequest($xero_tenant_id$id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1295,9 +1295,9 @@ protected function getAssetTypesRequest($xero_tenant_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Asset\Assets
      */
-    public function getAssets($xero_tenant_id, $status, $page = null, $page_size = null, $order_by = null, $sort_direction = null, $filter_by = null)
+    public function getAssets($xero_tenant_id$status$page = null$page_size = null$order_by = null$sort_direction = null$filter_by = null)
     {
-        list($response) = $this->getAssetsWithHttpInfo($xero_tenant_id, $status, $page, $page_size, $order_by, $sort_direction, $filter_by);
+        list($response) = $this->getAssetsWithHttpInfo($xero_tenant_id$status$page$page_size$order_by$sort_direction$filter_by);
         return $response;
     }
     /**
@@ -1314,9 +1314,9 @@ public function getAssets($xero_tenant_id, $status, $page = null, $page_size = n
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Asset\Assets, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getAssetsWithHttpInfo($xero_tenant_id, $status, $page = null, $page_size = null, $order_by = null, $sort_direction = null, $filter_by = null)
+    public function getAssetsWithHttpInfo($xero_tenant_id$status$page = null$page_size = null$order_by = null$sort_direction = null$filter_by = null)
     {
-        $request = $this->getAssetsRequest($xero_tenant_id, $status, $page, $page_size, $order_by, $sort_direction, $filter_by);
+        $request = $this->getAssetsRequest($xero_tenant_id$status$page$page_size$order_by$sort_direction$filter_by);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1395,9 +1395,9 @@ public function getAssetsWithHttpInfo($xero_tenant_id, $status, $page = null, $p
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getAssetsAsync($xero_tenant_id, $status, $page = null, $page_size = null, $order_by = null, $sort_direction = null, $filter_by = null)
+    public function getAssetsAsync($xero_tenant_id$status$page = null$page_size = null$order_by = null$sort_direction = null$filter_by = null)
     {
-        return $this->getAssetsAsyncWithHttpInfo($xero_tenant_id, $status, $page, $page_size, $order_by, $sort_direction, $filter_by)
+        return $this->getAssetsAsyncWithHttpInfo($xero_tenant_id$status$page$page_size$order_by$sort_direction$filter_by)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1416,10 +1416,10 @@ function ($response) {
      * @param  string $filter_by A string that can be used to filter the list to only return assets containing the text. Checks it against the AssetName, AssetNumber, Description and AssetTypeName fields. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getAssetsAsyncWithHttpInfo($xero_tenant_id, $status, $page = null, $page_size = null, $order_by = null, $sort_direction = null, $filter_by = null)
+    public function getAssetsAsyncWithHttpInfo($xero_tenant_id$status$page = null$page_size = null$order_by = null$sort_direction = null$filter_by = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Asset\Assets';
-        $request = $this->getAssetsRequest($xero_tenant_id, $status, $page, $page_size, $order_by, $sort_direction, $filter_by);
+        $request = $this->getAssetsRequest($xero_tenant_id$status$page$page_size$order_by$sort_direction$filter_by);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1464,7 +1464,7 @@ function ($exception) {
      * @param  string $filter_by A string that can be used to filter the list to only return assets containing the text. Checks it against the AssetName, AssetNumber, Description and AssetTypeName fields. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getAssetsRequest($xero_tenant_id, $status, $page = null, $page_size = null, $order_by = null, $sort_direction = null, $filter_by = null)
+    protected function getAssetsRequest($xero_tenant_id$status$page = null$page_size = null$order_by = null$sort_direction = null$filter_by = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
diff --git a/lib/Api/FilesApi.php b/lib/Api/FilesApi.php
index 99099b67..fff45bf9 100644
--- a/lib/Api/FilesApi.php
+++ b/lib/Api/FilesApi.php
@@ -14,10 +14,10 @@
  *
  * These endpoints are specific to Xero Files API
  *
- * OpenAPI spec version: 2.19.3
+ * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
@@ -95,9 +95,9 @@ public function getConfig()
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\File\Association
      */
-    public function createFileAssociation($xero_tenant_id, $file_id, $association = null)
+    public function createFileAssociation($xero_tenant_id$file_id$association = null)
     {
-        list($response) = $this->createFileAssociationWithHttpInfo($xero_tenant_id, $file_id, $association);
+        list($response) = $this->createFileAssociationWithHttpInfo($xero_tenant_id$file_id$association);
         return $response;
     }
     /**
@@ -110,9 +110,9 @@ public function createFileAssociation($xero_tenant_id, $file_id, $association =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\File\Association, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createFileAssociationWithHttpInfo($xero_tenant_id, $file_id, $association = null)
+    public function createFileAssociationWithHttpInfo($xero_tenant_id$file_id$association = null)
     {
-        $request = $this->createFileAssociationRequest($xero_tenant_id, $file_id, $association);
+        $request = $this->createFileAssociationRequest($xero_tenant_id$file_id$association);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -187,9 +187,9 @@ public function createFileAssociationWithHttpInfo($xero_tenant_id, $file_id, $as
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createFileAssociationAsync($xero_tenant_id, $file_id, $association = null)
+    public function createFileAssociationAsync($xero_tenant_id$file_id$association = null)
     {
-        return $this->createFileAssociationAsyncWithHttpInfo($xero_tenant_id, $file_id, $association)
+        return $this->createFileAssociationAsyncWithHttpInfo($xero_tenant_id$file_id$association)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -204,10 +204,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\File\Association $association (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createFileAssociationAsyncWithHttpInfo($xero_tenant_id, $file_id, $association = null)
+    public function createFileAssociationAsyncWithHttpInfo($xero_tenant_id$file_id$association = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\File\Association';
-        $request = $this->createFileAssociationRequest($xero_tenant_id, $file_id, $association);
+        $request = $this->createFileAssociationRequest($xero_tenant_id$file_id$association);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -248,7 +248,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\File\Association $association (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createFileAssociationRequest($xero_tenant_id, $file_id, $association = null)
+    protected function createFileAssociationRequest($xero_tenant_id$file_id$association = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -352,9 +352,9 @@ protected function createFileAssociationRequest($xero_tenant_id, $file_id, $asso
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\File\Folder
      */
-    public function createFolder($xero_tenant_id, $folder = null)
+    public function createFolder($xero_tenant_id$folder = null)
     {
-        list($response) = $this->createFolderWithHttpInfo($xero_tenant_id, $folder);
+        list($response) = $this->createFolderWithHttpInfo($xero_tenant_id$folder);
         return $response;
     }
     /**
@@ -366,9 +366,9 @@ public function createFolder($xero_tenant_id, $folder = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\File\Folder, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createFolderWithHttpInfo($xero_tenant_id, $folder = null)
+    public function createFolderWithHttpInfo($xero_tenant_id$folder = null)
     {
-        $request = $this->createFolderRequest($xero_tenant_id, $folder);
+        $request = $this->createFolderRequest($xero_tenant_id$folder);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -442,9 +442,9 @@ public function createFolderWithHttpInfo($xero_tenant_id, $folder = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createFolderAsync($xero_tenant_id, $folder = null)
+    public function createFolderAsync($xero_tenant_id$folder = null)
     {
-        return $this->createFolderAsyncWithHttpInfo($xero_tenant_id, $folder)
+        return $this->createFolderAsyncWithHttpInfo($xero_tenant_id$folder)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -458,10 +458,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\File\Folder $folder (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createFolderAsyncWithHttpInfo($xero_tenant_id, $folder = null)
+    public function createFolderAsyncWithHttpInfo($xero_tenant_id$folder = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\File\Folder';
-        $request = $this->createFolderRequest($xero_tenant_id, $folder);
+        $request = $this->createFolderRequest($xero_tenant_id$folder);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -501,7 +501,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\File\Folder $folder (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createFolderRequest($xero_tenant_id, $folder = null)
+    protected function createFolderRequest($xero_tenant_id$folder = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -591,9 +591,9 @@ protected function createFolderRequest($xero_tenant_id, $folder = null)
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function deleteFile($xero_tenant_id, $file_id)
+    public function deleteFile($xero_tenant_id$file_id)
     {
-        $this->deleteFileWithHttpInfo($xero_tenant_id, $file_id);
+        $this->deleteFileWithHttpInfo($xero_tenant_id$file_id);
     }
     /**
      * Operation deleteFileWithHttpInfo
@@ -604,9 +604,9 @@ public function deleteFile($xero_tenant_id, $file_id)
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteFileWithHttpInfo($xero_tenant_id, $file_id)
+    public function deleteFileWithHttpInfo($xero_tenant_id$file_id)
     {
-        $request = $this->deleteFileRequest($xero_tenant_id, $file_id);
+        $request = $this->deleteFileRequest($xero_tenant_id$file_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -647,9 +647,9 @@ public function deleteFileWithHttpInfo($xero_tenant_id, $file_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteFileAsync($xero_tenant_id, $file_id)
+    public function deleteFileAsync($xero_tenant_id$file_id)
     {
-        return $this->deleteFileAsyncWithHttpInfo($xero_tenant_id, $file_id)
+        return $this->deleteFileAsyncWithHttpInfo($xero_tenant_id$file_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -663,10 +663,10 @@ function ($response) {
      * @param  string $file_id File id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteFileAsyncWithHttpInfo($xero_tenant_id, $file_id)
+    public function deleteFileAsyncWithHttpInfo($xero_tenant_id$file_id)
     {
         $returnType = '';
-        $request = $this->deleteFileRequest($xero_tenant_id, $file_id);
+        $request = $this->deleteFileRequest($xero_tenant_id$file_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -696,7 +696,7 @@ function ($exception) {
      * @param  string $file_id File id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteFileRequest($xero_tenant_id, $file_id)
+    protected function deleteFileRequest($xero_tenant_id$file_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -798,9 +798,9 @@ protected function deleteFileRequest($xero_tenant_id, $file_id)
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function deleteFileAssociation($xero_tenant_id, $file_id, $object_id)
+    public function deleteFileAssociation($xero_tenant_id$file_id$object_id)
     {
-        $this->deleteFileAssociationWithHttpInfo($xero_tenant_id, $file_id, $object_id);
+        $this->deleteFileAssociationWithHttpInfo($xero_tenant_id$file_id$object_id);
     }
     /**
      * Operation deleteFileAssociationWithHttpInfo
@@ -812,9 +812,9 @@ public function deleteFileAssociation($xero_tenant_id, $file_id, $object_id)
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteFileAssociationWithHttpInfo($xero_tenant_id, $file_id, $object_id)
+    public function deleteFileAssociationWithHttpInfo($xero_tenant_id$file_id$object_id)
     {
-        $request = $this->deleteFileAssociationRequest($xero_tenant_id, $file_id, $object_id);
+        $request = $this->deleteFileAssociationRequest($xero_tenant_id$file_id$object_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -856,9 +856,9 @@ public function deleteFileAssociationWithHttpInfo($xero_tenant_id, $file_id, $ob
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteFileAssociationAsync($xero_tenant_id, $file_id, $object_id)
+    public function deleteFileAssociationAsync($xero_tenant_id$file_id$object_id)
     {
-        return $this->deleteFileAssociationAsyncWithHttpInfo($xero_tenant_id, $file_id, $object_id)
+        return $this->deleteFileAssociationAsyncWithHttpInfo($xero_tenant_id$file_id$object_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -873,10 +873,10 @@ function ($response) {
      * @param  string $object_id Object id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteFileAssociationAsyncWithHttpInfo($xero_tenant_id, $file_id, $object_id)
+    public function deleteFileAssociationAsyncWithHttpInfo($xero_tenant_id$file_id$object_id)
     {
         $returnType = '';
-        $request = $this->deleteFileAssociationRequest($xero_tenant_id, $file_id, $object_id);
+        $request = $this->deleteFileAssociationRequest($xero_tenant_id$file_id$object_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -907,7 +907,7 @@ function ($exception) {
      * @param  string $object_id Object id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteFileAssociationRequest($xero_tenant_id, $file_id, $object_id)
+    protected function deleteFileAssociationRequest($xero_tenant_id$file_id$object_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1022,9 +1022,9 @@ protected function deleteFileAssociationRequest($xero_tenant_id, $file_id, $obje
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function deleteFolder($xero_tenant_id, $folder_id)
+    public function deleteFolder($xero_tenant_id$folder_id)
     {
-        $this->deleteFolderWithHttpInfo($xero_tenant_id, $folder_id);
+        $this->deleteFolderWithHttpInfo($xero_tenant_id$folder_id);
     }
     /**
      * Operation deleteFolderWithHttpInfo
@@ -1035,9 +1035,9 @@ public function deleteFolder($xero_tenant_id, $folder_id)
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteFolderWithHttpInfo($xero_tenant_id, $folder_id)
+    public function deleteFolderWithHttpInfo($xero_tenant_id$folder_id)
     {
-        $request = $this->deleteFolderRequest($xero_tenant_id, $folder_id);
+        $request = $this->deleteFolderRequest($xero_tenant_id$folder_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1078,9 +1078,9 @@ public function deleteFolderWithHttpInfo($xero_tenant_id, $folder_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteFolderAsync($xero_tenant_id, $folder_id)
+    public function deleteFolderAsync($xero_tenant_id$folder_id)
     {
-        return $this->deleteFolderAsyncWithHttpInfo($xero_tenant_id, $folder_id)
+        return $this->deleteFolderAsyncWithHttpInfo($xero_tenant_id$folder_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1094,10 +1094,10 @@ function ($response) {
      * @param  string $folder_id Folder id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteFolderAsyncWithHttpInfo($xero_tenant_id, $folder_id)
+    public function deleteFolderAsyncWithHttpInfo($xero_tenant_id$folder_id)
     {
         $returnType = '';
-        $request = $this->deleteFolderRequest($xero_tenant_id, $folder_id);
+        $request = $this->deleteFolderRequest($xero_tenant_id$folder_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1127,7 +1127,7 @@ function ($exception) {
      * @param  string $folder_id Folder id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteFolderRequest($xero_tenant_id, $folder_id)
+    protected function deleteFolderRequest($xero_tenant_id$folder_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1228,9 +1228,9 @@ protected function deleteFolderRequest($xero_tenant_id, $folder_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\File\Association[]
      */
-    public function getAssociationsByObject($xero_tenant_id, $object_id)
+    public function getAssociationsByObject($xero_tenant_id$object_id)
     {
-        list($response) = $this->getAssociationsByObjectWithHttpInfo($xero_tenant_id, $object_id);
+        list($response) = $this->getAssociationsByObjectWithHttpInfo($xero_tenant_id$object_id);
         return $response;
     }
     /**
@@ -1242,9 +1242,9 @@ public function getAssociationsByObject($xero_tenant_id, $object_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\File\Association[], HTTP status code, HTTP response headers (array of strings)
      */
-    public function getAssociationsByObjectWithHttpInfo($xero_tenant_id, $object_id)
+    public function getAssociationsByObjectWithHttpInfo($xero_tenant_id$object_id)
     {
-        $request = $this->getAssociationsByObjectRequest($xero_tenant_id, $object_id);
+        $request = $this->getAssociationsByObjectRequest($xero_tenant_id$object_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1318,9 +1318,9 @@ public function getAssociationsByObjectWithHttpInfo($xero_tenant_id, $object_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getAssociationsByObjectAsync($xero_tenant_id, $object_id)
+    public function getAssociationsByObjectAsync($xero_tenant_id$object_id)
     {
-        return $this->getAssociationsByObjectAsyncWithHttpInfo($xero_tenant_id, $object_id)
+        return $this->getAssociationsByObjectAsyncWithHttpInfo($xero_tenant_id$object_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1334,10 +1334,10 @@ function ($response) {
      * @param  string $object_id Object id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getAssociationsByObjectAsyncWithHttpInfo($xero_tenant_id, $object_id)
+    public function getAssociationsByObjectAsyncWithHttpInfo($xero_tenant_id$object_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\File\Association[]';
-        $request = $this->getAssociationsByObjectRequest($xero_tenant_id, $object_id);
+        $request = $this->getAssociationsByObjectRequest($xero_tenant_id$object_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1377,7 +1377,7 @@ function ($exception) {
      * @param  string $object_id Object id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getAssociationsByObjectRequest($xero_tenant_id, $object_id)
+    protected function getAssociationsByObjectRequest($xero_tenant_id$object_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1478,9 +1478,9 @@ protected function getAssociationsByObjectRequest($xero_tenant_id, $object_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\File\FileObject
      */
-    public function getFile($xero_tenant_id, $file_id)
+    public function getFile($xero_tenant_id$file_id)
     {
-        list($response) = $this->getFileWithHttpInfo($xero_tenant_id, $file_id);
+        list($response) = $this->getFileWithHttpInfo($xero_tenant_id$file_id);
         return $response;
     }
     /**
@@ -1492,9 +1492,9 @@ public function getFile($xero_tenant_id, $file_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\File\FileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getFileWithHttpInfo($xero_tenant_id, $file_id)
+    public function getFileWithHttpInfo($xero_tenant_id$file_id)
     {
-        $request = $this->getFileRequest($xero_tenant_id, $file_id);
+        $request = $this->getFileRequest($xero_tenant_id$file_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1568,9 +1568,9 @@ public function getFileWithHttpInfo($xero_tenant_id, $file_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getFileAsync($xero_tenant_id, $file_id)
+    public function getFileAsync($xero_tenant_id$file_id)
     {
-        return $this->getFileAsyncWithHttpInfo($xero_tenant_id, $file_id)
+        return $this->getFileAsyncWithHttpInfo($xero_tenant_id$file_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1584,10 +1584,10 @@ function ($response) {
      * @param  string $file_id File id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getFileAsyncWithHttpInfo($xero_tenant_id, $file_id)
+    public function getFileAsyncWithHttpInfo($xero_tenant_id$file_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\File\FileObject';
-        $request = $this->getFileRequest($xero_tenant_id, $file_id);
+        $request = $this->getFileRequest($xero_tenant_id$file_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1627,7 +1627,7 @@ function ($exception) {
      * @param  string $file_id File id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getFileRequest($xero_tenant_id, $file_id)
+    protected function getFileRequest($xero_tenant_id$file_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1728,9 +1728,9 @@ protected function getFileRequest($xero_tenant_id, $file_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\File\Association[]
      */
-    public function getFileAssociations($xero_tenant_id, $file_id)
+    public function getFileAssociations($xero_tenant_id$file_id)
     {
-        list($response) = $this->getFileAssociationsWithHttpInfo($xero_tenant_id, $file_id);
+        list($response) = $this->getFileAssociationsWithHttpInfo($xero_tenant_id$file_id);
         return $response;
     }
     /**
@@ -1742,9 +1742,9 @@ public function getFileAssociations($xero_tenant_id, $file_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\File\Association[], HTTP status code, HTTP response headers (array of strings)
      */
-    public function getFileAssociationsWithHttpInfo($xero_tenant_id, $file_id)
+    public function getFileAssociationsWithHttpInfo($xero_tenant_id$file_id)
     {
-        $request = $this->getFileAssociationsRequest($xero_tenant_id, $file_id);
+        $request = $this->getFileAssociationsRequest($xero_tenant_id$file_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1818,9 +1818,9 @@ public function getFileAssociationsWithHttpInfo($xero_tenant_id, $file_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getFileAssociationsAsync($xero_tenant_id, $file_id)
+    public function getFileAssociationsAsync($xero_tenant_id$file_id)
     {
-        return $this->getFileAssociationsAsyncWithHttpInfo($xero_tenant_id, $file_id)
+        return $this->getFileAssociationsAsyncWithHttpInfo($xero_tenant_id$file_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1834,10 +1834,10 @@ function ($response) {
      * @param  string $file_id File id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getFileAssociationsAsyncWithHttpInfo($xero_tenant_id, $file_id)
+    public function getFileAssociationsAsyncWithHttpInfo($xero_tenant_id$file_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\File\Association[]';
-        $request = $this->getFileAssociationsRequest($xero_tenant_id, $file_id);
+        $request = $this->getFileAssociationsRequest($xero_tenant_id$file_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1877,7 +1877,7 @@ function ($exception) {
      * @param  string $file_id File id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getFileAssociationsRequest($xero_tenant_id, $file_id)
+    protected function getFileAssociationsRequest($xero_tenant_id$file_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1978,9 +1978,9 @@ protected function getFileAssociationsRequest($xero_tenant_id, $file_id)
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getFileContent($xero_tenant_id, $file_id)
+    public function getFileContent($xero_tenant_id$file_id)
     {
-        list($response) = $this->getFileContentWithHttpInfo($xero_tenant_id, $file_id);
+        list($response) = $this->getFileContentWithHttpInfo($xero_tenant_id$file_id);
         return $response;
     }
     /**
@@ -1992,9 +1992,9 @@ public function getFileContent($xero_tenant_id, $file_id)
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getFileContentWithHttpInfo($xero_tenant_id, $file_id)
+    public function getFileContentWithHttpInfo($xero_tenant_id$file_id)
     {
-        $request = $this->getFileContentRequest($xero_tenant_id, $file_id);
+        $request = $this->getFileContentRequest($xero_tenant_id$file_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2068,9 +2068,9 @@ public function getFileContentWithHttpInfo($xero_tenant_id, $file_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getFileContentAsync($xero_tenant_id, $file_id)
+    public function getFileContentAsync($xero_tenant_id$file_id)
     {
-        return $this->getFileContentAsyncWithHttpInfo($xero_tenant_id, $file_id)
+        return $this->getFileContentAsyncWithHttpInfo($xero_tenant_id$file_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2084,10 +2084,10 @@ function ($response) {
      * @param  string $file_id File id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getFileContentAsyncWithHttpInfo($xero_tenant_id, $file_id)
+    public function getFileContentAsyncWithHttpInfo($xero_tenant_id$file_id)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getFileContentRequest($xero_tenant_id, $file_id);
+        $request = $this->getFileContentRequest($xero_tenant_id$file_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2127,7 +2127,7 @@ function ($exception) {
      * @param  string $file_id File id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getFileContentRequest($xero_tenant_id, $file_id)
+    protected function getFileContentRequest($xero_tenant_id$file_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2230,9 +2230,9 @@ protected function getFileContentRequest($xero_tenant_id, $file_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\File\Files
      */
-    public function getFiles($xero_tenant_id, $pagesize = null, $page = null, $sort = null)
+    public function getFiles($xero_tenant_id$pagesize = null$page = null$sort = null)
     {
-        list($response) = $this->getFilesWithHttpInfo($xero_tenant_id, $pagesize, $page, $sort);
+        list($response) = $this->getFilesWithHttpInfo($xero_tenant_id$pagesize$page$sort);
         return $response;
     }
     /**
@@ -2246,9 +2246,9 @@ public function getFiles($xero_tenant_id, $pagesize = null, $page = null, $sort
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\File\Files, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getFilesWithHttpInfo($xero_tenant_id, $pagesize = null, $page = null, $sort = null)
+    public function getFilesWithHttpInfo($xero_tenant_id$pagesize = null$page = null$sort = null)
     {
-        $request = $this->getFilesRequest($xero_tenant_id, $pagesize, $page, $sort);
+        $request = $this->getFilesRequest($xero_tenant_id$pagesize$page$sort);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2324,9 +2324,9 @@ public function getFilesWithHttpInfo($xero_tenant_id, $pagesize = null, $page =
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getFilesAsync($xero_tenant_id, $pagesize = null, $page = null, $sort = null)
+    public function getFilesAsync($xero_tenant_id$pagesize = null$page = null$sort = null)
     {
-        return $this->getFilesAsyncWithHttpInfo($xero_tenant_id, $pagesize, $page, $sort)
+        return $this->getFilesAsyncWithHttpInfo($xero_tenant_id$pagesize$page$sort)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2342,10 +2342,10 @@ function ($response) {
      * @param  string $sort values to sort by (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getFilesAsyncWithHttpInfo($xero_tenant_id, $pagesize = null, $page = null, $sort = null)
+    public function getFilesAsyncWithHttpInfo($xero_tenant_id$pagesize = null$page = null$sort = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\File\Files';
-        $request = $this->getFilesRequest($xero_tenant_id, $pagesize, $page, $sort);
+        $request = $this->getFilesRequest($xero_tenant_id$pagesize$page$sort);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2387,7 +2387,7 @@ function ($exception) {
      * @param  string $sort values to sort by (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getFilesRequest($xero_tenant_id, $pagesize = null, $page = null, $sort = null)
+    protected function getFilesRequest($xero_tenant_id$pagesize = null$page = null$sort = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2494,9 +2494,9 @@ protected function getFilesRequest($xero_tenant_id, $pagesize = null, $page = nu
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\File\Folder
      */
-    public function getFolder($xero_tenant_id, $folder_id)
+    public function getFolder($xero_tenant_id$folder_id)
     {
-        list($response) = $this->getFolderWithHttpInfo($xero_tenant_id, $folder_id);
+        list($response) = $this->getFolderWithHttpInfo($xero_tenant_id$folder_id);
         return $response;
     }
     /**
@@ -2508,9 +2508,9 @@ public function getFolder($xero_tenant_id, $folder_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\File\Folder, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getFolderWithHttpInfo($xero_tenant_id, $folder_id)
+    public function getFolderWithHttpInfo($xero_tenant_id$folder_id)
     {
-        $request = $this->getFolderRequest($xero_tenant_id, $folder_id);
+        $request = $this->getFolderRequest($xero_tenant_id$folder_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2584,9 +2584,9 @@ public function getFolderWithHttpInfo($xero_tenant_id, $folder_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getFolderAsync($xero_tenant_id, $folder_id)
+    public function getFolderAsync($xero_tenant_id$folder_id)
     {
-        return $this->getFolderAsyncWithHttpInfo($xero_tenant_id, $folder_id)
+        return $this->getFolderAsyncWithHttpInfo($xero_tenant_id$folder_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2600,10 +2600,10 @@ function ($response) {
      * @param  string $folder_id Folder id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getFolderAsyncWithHttpInfo($xero_tenant_id, $folder_id)
+    public function getFolderAsyncWithHttpInfo($xero_tenant_id$folder_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\File\Folder';
-        $request = $this->getFolderRequest($xero_tenant_id, $folder_id);
+        $request = $this->getFolderRequest($xero_tenant_id$folder_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2643,7 +2643,7 @@ function ($exception) {
      * @param  string $folder_id Folder id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getFolderRequest($xero_tenant_id, $folder_id)
+    protected function getFolderRequest($xero_tenant_id$folder_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2744,9 +2744,9 @@ protected function getFolderRequest($xero_tenant_id, $folder_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\File\Folder[]
      */
-    public function getFolders($xero_tenant_id, $sort = null)
+    public function getFolders($xero_tenant_id$sort = null)
     {
-        list($response) = $this->getFoldersWithHttpInfo($xero_tenant_id, $sort);
+        list($response) = $this->getFoldersWithHttpInfo($xero_tenant_id$sort);
         return $response;
     }
     /**
@@ -2758,9 +2758,9 @@ public function getFolders($xero_tenant_id, $sort = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\File\Folder[], HTTP status code, HTTP response headers (array of strings)
      */
-    public function getFoldersWithHttpInfo($xero_tenant_id, $sort = null)
+    public function getFoldersWithHttpInfo($xero_tenant_id$sort = null)
     {
-        $request = $this->getFoldersRequest($xero_tenant_id, $sort);
+        $request = $this->getFoldersRequest($xero_tenant_id$sort);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2834,9 +2834,9 @@ public function getFoldersWithHttpInfo($xero_tenant_id, $sort = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getFoldersAsync($xero_tenant_id, $sort = null)
+    public function getFoldersAsync($xero_tenant_id$sort = null)
     {
-        return $this->getFoldersAsyncWithHttpInfo($xero_tenant_id, $sort)
+        return $this->getFoldersAsyncWithHttpInfo($xero_tenant_id$sort)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2850,10 +2850,10 @@ function ($response) {
      * @param  string $sort values to sort by (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getFoldersAsyncWithHttpInfo($xero_tenant_id, $sort = null)
+    public function getFoldersAsyncWithHttpInfo($xero_tenant_id$sort = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\File\Folder[]';
-        $request = $this->getFoldersRequest($xero_tenant_id, $sort);
+        $request = $this->getFoldersRequest($xero_tenant_id$sort);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2893,7 +2893,7 @@ function ($exception) {
      * @param  string $sort values to sort by (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getFoldersRequest($xero_tenant_id, $sort = null)
+    protected function getFoldersRequest($xero_tenant_id$sort = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3216,9 +3216,9 @@ protected function getInboxRequest($xero_tenant_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\File\FileObject
      */
-    public function updateFile($xero_tenant_id, $file_id, $file_object = null)
+    public function updateFile($xero_tenant_id$file_id$file_object = null)
     {
-        list($response) = $this->updateFileWithHttpInfo($xero_tenant_id, $file_id, $file_object);
+        list($response) = $this->updateFileWithHttpInfo($xero_tenant_id$file_id$file_object);
         return $response;
     }
     /**
@@ -3231,9 +3231,9 @@ public function updateFile($xero_tenant_id, $file_id, $file_object = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\File\FileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateFileWithHttpInfo($xero_tenant_id, $file_id, $file_object = null)
+    public function updateFileWithHttpInfo($xero_tenant_id$file_id$file_object = null)
     {
-        $request = $this->updateFileRequest($xero_tenant_id, $file_id, $file_object);
+        $request = $this->updateFileRequest($xero_tenant_id$file_id$file_object);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3308,9 +3308,9 @@ public function updateFileWithHttpInfo($xero_tenant_id, $file_id, $file_object =
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateFileAsync($xero_tenant_id, $file_id, $file_object = null)
+    public function updateFileAsync($xero_tenant_id$file_id$file_object = null)
     {
-        return $this->updateFileAsyncWithHttpInfo($xero_tenant_id, $file_id, $file_object)
+        return $this->updateFileAsyncWithHttpInfo($xero_tenant_id$file_id$file_object)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3325,10 +3325,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\File\FileObject $file_object (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateFileAsyncWithHttpInfo($xero_tenant_id, $file_id, $file_object = null)
+    public function updateFileAsyncWithHttpInfo($xero_tenant_id$file_id$file_object = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\File\FileObject';
-        $request = $this->updateFileRequest($xero_tenant_id, $file_id, $file_object);
+        $request = $this->updateFileRequest($xero_tenant_id$file_id$file_object);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3369,7 +3369,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\File\FileObject $file_object (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateFileRequest($xero_tenant_id, $file_id, $file_object = null)
+    protected function updateFileRequest($xero_tenant_id$file_id$file_object = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3474,9 +3474,9 @@ protected function updateFileRequest($xero_tenant_id, $file_id, $file_object = n
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\File\Folder
      */
-    public function updateFolder($xero_tenant_id, $folder_id, $folder)
+    public function updateFolder($xero_tenant_id$folder_id$folder)
     {
-        list($response) = $this->updateFolderWithHttpInfo($xero_tenant_id, $folder_id, $folder);
+        list($response) = $this->updateFolderWithHttpInfo($xero_tenant_id$folder_id$folder);
         return $response;
     }
     /**
@@ -3489,9 +3489,9 @@ public function updateFolder($xero_tenant_id, $folder_id, $folder)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\File\Folder, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateFolderWithHttpInfo($xero_tenant_id, $folder_id, $folder)
+    public function updateFolderWithHttpInfo($xero_tenant_id$folder_id$folder)
     {
-        $request = $this->updateFolderRequest($xero_tenant_id, $folder_id, $folder);
+        $request = $this->updateFolderRequest($xero_tenant_id$folder_id$folder);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3566,9 +3566,9 @@ public function updateFolderWithHttpInfo($xero_tenant_id, $folder_id, $folder)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateFolderAsync($xero_tenant_id, $folder_id, $folder)
+    public function updateFolderAsync($xero_tenant_id$folder_id$folder)
     {
-        return $this->updateFolderAsyncWithHttpInfo($xero_tenant_id, $folder_id, $folder)
+        return $this->updateFolderAsyncWithHttpInfo($xero_tenant_id$folder_id$folder)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3583,10 +3583,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\File\Folder $folder (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateFolderAsyncWithHttpInfo($xero_tenant_id, $folder_id, $folder)
+    public function updateFolderAsyncWithHttpInfo($xero_tenant_id$folder_id$folder)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\File\Folder';
-        $request = $this->updateFolderRequest($xero_tenant_id, $folder_id, $folder);
+        $request = $this->updateFolderRequest($xero_tenant_id$folder_id$folder);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3627,7 +3627,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\File\Folder $folder (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateFolderRequest($xero_tenant_id, $folder_id, $folder)
+    protected function updateFolderRequest($xero_tenant_id$folder_id$folder)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3740,9 +3740,9 @@ protected function updateFolderRequest($xero_tenant_id, $folder_id, $folder)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\File\FileObject
      */
-    public function uploadFile($xero_tenant_id, $body, $name, $filename, $mime_type = null)
+    public function uploadFile($xero_tenant_id$body$name$filename$mime_type = null)
     {
-        list($response) = $this->uploadFileWithHttpInfo($xero_tenant_id, $body, $name, $filename, $mime_type);
+        list($response) = $this->uploadFileWithHttpInfo($xero_tenant_id$body$name$filename$mime_type);
         return $response;
     }
     /**
@@ -3757,9 +3757,9 @@ public function uploadFile($xero_tenant_id, $body, $name, $filename, $mime_type
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\File\FileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function uploadFileWithHttpInfo($xero_tenant_id, $body, $name, $filename, $mime_type = null)
+    public function uploadFileWithHttpInfo($xero_tenant_id$body$name$filename$mime_type = null)
     {
-        $request = $this->uploadFileRequest($xero_tenant_id, $body, $name, $filename, $mime_type);
+        $request = $this->uploadFileRequest($xero_tenant_id$body$name$filename$mime_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3836,9 +3836,9 @@ public function uploadFileWithHttpInfo($xero_tenant_id, $body, $name, $filename,
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function uploadFileAsync($xero_tenant_id, $body, $name, $filename, $mime_type = null)
+    public function uploadFileAsync($xero_tenant_id$body$name$filename$mime_type = null)
     {
-        return $this->uploadFileAsyncWithHttpInfo($xero_tenant_id, $body, $name, $filename, $mime_type)
+        return $this->uploadFileAsyncWithHttpInfo($xero_tenant_id$body$name$filename$mime_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3855,10 +3855,10 @@ function ($response) {
      * @param  string $mime_type (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function uploadFileAsyncWithHttpInfo($xero_tenant_id, $body, $name, $filename, $mime_type = null)
+    public function uploadFileAsyncWithHttpInfo($xero_tenant_id$body$name$filename$mime_type = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\File\FileObject';
-        $request = $this->uploadFileRequest($xero_tenant_id, $body, $name, $filename, $mime_type);
+        $request = $this->uploadFileRequest($xero_tenant_id$body$name$filename$mime_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3901,7 +3901,7 @@ function ($exception) {
      * @param  string $mime_type (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function uploadFileRequest($xero_tenant_id, $body, $name, $filename, $mime_type = null)
+    protected function uploadFileRequest($xero_tenant_id$body$name$filename$mime_type = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3983,9 +3983,9 @@ protected function uploadFileRequest($xero_tenant_id, $body, $name, $filename, $
                 $multipartContents = [
                     [
                         'Content-type' => 'multipart/form-data',
-                        'contents' => $body,
-                        'name' => $name,
-                        'filename' => $filename,
+                        'contents' => $body
+                        'name' => $name
+                        'filename' => $filename
                         'mimeType' => $mime_type
                     ]
                 ];
@@ -4035,9 +4035,9 @@ protected function uploadFileRequest($xero_tenant_id, $body, $name, $filename, $
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\File\FileObject
      */
-    public function uploadFileToFolder($xero_tenant_id, $folder_id, $body, $name, $filename, $mime_type = null)
+    public function uploadFileToFolder($xero_tenant_id$folder_id$body$name$filename$mime_type = null)
     {
-        list($response) = $this->uploadFileToFolderWithHttpInfo($xero_tenant_id, $folder_id, $body, $name, $filename, $mime_type);
+        list($response) = $this->uploadFileToFolderWithHttpInfo($xero_tenant_id$folder_id$body$name$filename$mime_type);
         return $response;
     }
     /**
@@ -4053,9 +4053,9 @@ public function uploadFileToFolder($xero_tenant_id, $folder_id, $body, $name, $f
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\File\FileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function uploadFileToFolderWithHttpInfo($xero_tenant_id, $folder_id, $body, $name, $filename, $mime_type = null)
+    public function uploadFileToFolderWithHttpInfo($xero_tenant_id$folder_id$body$name$filename$mime_type = null)
     {
-        $request = $this->uploadFileToFolderRequest($xero_tenant_id, $folder_id, $body, $name, $filename, $mime_type);
+        $request = $this->uploadFileToFolderRequest($xero_tenant_id$folder_id$body$name$filename$mime_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4133,9 +4133,9 @@ public function uploadFileToFolderWithHttpInfo($xero_tenant_id, $folder_id, $bod
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function uploadFileToFolderAsync($xero_tenant_id, $folder_id, $body, $name, $filename, $mime_type = null)
+    public function uploadFileToFolderAsync($xero_tenant_id$folder_id$body$name$filename$mime_type = null)
     {
-        return $this->uploadFileToFolderAsyncWithHttpInfo($xero_tenant_id, $folder_id, $body, $name, $filename, $mime_type)
+        return $this->uploadFileToFolderAsyncWithHttpInfo($xero_tenant_id$folder_id$body$name$filename$mime_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4153,10 +4153,10 @@ function ($response) {
      * @param  string $mime_type (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function uploadFileToFolderAsyncWithHttpInfo($xero_tenant_id, $folder_id, $body, $name, $filename, $mime_type = null)
+    public function uploadFileToFolderAsyncWithHttpInfo($xero_tenant_id$folder_id$body$name$filename$mime_type = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\File\FileObject';
-        $request = $this->uploadFileToFolderRequest($xero_tenant_id, $folder_id, $body, $name, $filename, $mime_type);
+        $request = $this->uploadFileToFolderRequest($xero_tenant_id$folder_id$body$name$filename$mime_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4200,7 +4200,7 @@ function ($exception) {
      * @param  string $mime_type (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function uploadFileToFolderRequest($xero_tenant_id, $folder_id, $body, $name, $filename, $mime_type = null)
+    protected function uploadFileToFolderRequest($xero_tenant_id$folder_id$body$name$filename$mime_type = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4296,9 +4296,9 @@ protected function uploadFileToFolderRequest($xero_tenant_id, $folder_id, $body,
                 $multipartContents = [
                     [
                         'Content-type' => 'multipart/form-data',
-                        'contents' => $body,
-                        'name' => $name,
-                        'filename' => $filename,
+                        'contents' => $body
+                        'name' => $name
+                        'filename' => $filename
                         'mimeType' => $mime_type
                     ]
                 ];
diff --git a/lib/Api/FinanceApi.php b/lib/Api/FinanceApi.php
index 354f4a75..8d7f0602 100644
--- a/lib/Api/FinanceApi.php
+++ b/lib/Api/FinanceApi.php
@@ -14,10 +14,10 @@
  *
  * The Finance API is a collection of endpoints which customers can use in the course of a loan application, which may assist lenders to gain the confidence they need to provide capital.
  *
- * OpenAPI spec version: 2.19.3
+ * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
@@ -95,9 +95,9 @@ public function getConfig()
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Finance\AccountUsageResponse|\XeroAPI\XeroPHP\Models\Finance\Problem
      */
-    public function getAccountingActivityAccountUsage($xero_tenant_id, $start_month = null, $end_month = null)
+    public function getAccountingActivityAccountUsage($xero_tenant_id$start_month = null$end_month = null)
     {
-        list($response) = $this->getAccountingActivityAccountUsageWithHttpInfo($xero_tenant_id, $start_month, $end_month);
+        list($response) = $this->getAccountingActivityAccountUsageWithHttpInfo($xero_tenant_id$start_month$end_month);
         return $response;
     }
     /**
@@ -110,9 +110,9 @@ public function getAccountingActivityAccountUsage($xero_tenant_id, $start_month
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Finance\AccountUsageResponse|\XeroAPI\XeroPHP\Models\Finance\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getAccountingActivityAccountUsageWithHttpInfo($xero_tenant_id, $start_month = null, $end_month = null)
+    public function getAccountingActivityAccountUsageWithHttpInfo($xero_tenant_id$start_month = null$end_month = null)
     {
-        $request = $this->getAccountingActivityAccountUsageRequest($xero_tenant_id, $start_month, $end_month);
+        $request = $this->getAccountingActivityAccountUsageRequest($xero_tenant_id$start_month$end_month);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -206,9 +206,9 @@ public function getAccountingActivityAccountUsageWithHttpInfo($xero_tenant_id, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getAccountingActivityAccountUsageAsync($xero_tenant_id, $start_month = null, $end_month = null)
+    public function getAccountingActivityAccountUsageAsync($xero_tenant_id$start_month = null$end_month = null)
     {
-        return $this->getAccountingActivityAccountUsageAsyncWithHttpInfo($xero_tenant_id, $start_month, $end_month)
+        return $this->getAccountingActivityAccountUsageAsyncWithHttpInfo($xero_tenant_id$start_month$end_month)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -223,10 +223,10 @@ function ($response) {
      * @param  string $end_month date, yyyy-MM                 If no parameter is provided, the current month will be used.                Account usage for up to 12 months prior to this date will be returned. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getAccountingActivityAccountUsageAsyncWithHttpInfo($xero_tenant_id, $start_month = null, $end_month = null)
+    public function getAccountingActivityAccountUsageAsyncWithHttpInfo($xero_tenant_id$start_month = null$end_month = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Finance\AccountUsageResponse';
-        $request = $this->getAccountingActivityAccountUsageRequest($xero_tenant_id, $start_month, $end_month);
+        $request = $this->getAccountingActivityAccountUsageRequest($xero_tenant_id$start_month$end_month);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -267,7 +267,7 @@ function ($exception) {
      * @param  string $end_month date, yyyy-MM                 If no parameter is provided, the current month will be used.                Account usage for up to 12 months prior to this date will be returned. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getAccountingActivityAccountUsageRequest($xero_tenant_id, $start_month = null, $end_month = null)
+    protected function getAccountingActivityAccountUsageRequest($xero_tenant_id$start_month = null$end_month = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -362,9 +362,9 @@ protected function getAccountingActivityAccountUsageRequest($xero_tenant_id, $st
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Finance\LockHistoryResponse|\XeroAPI\XeroPHP\Models\Finance\Problem
      */
-    public function getAccountingActivityLockHistory($xero_tenant_id, $end_date = null)
+    public function getAccountingActivityLockHistory($xero_tenant_id$end_date = null)
     {
-        list($response) = $this->getAccountingActivityLockHistoryWithHttpInfo($xero_tenant_id, $end_date);
+        list($response) = $this->getAccountingActivityLockHistoryWithHttpInfo($xero_tenant_id$end_date);
         return $response;
     }
     /**
@@ -376,9 +376,9 @@ public function getAccountingActivityLockHistory($xero_tenant_id, $end_date = nu
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Finance\LockHistoryResponse|\XeroAPI\XeroPHP\Models\Finance\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getAccountingActivityLockHistoryWithHttpInfo($xero_tenant_id, $end_date = null)
+    public function getAccountingActivityLockHistoryWithHttpInfo($xero_tenant_id$end_date = null)
     {
-        $request = $this->getAccountingActivityLockHistoryRequest($xero_tenant_id, $end_date);
+        $request = $this->getAccountingActivityLockHistoryRequest($xero_tenant_id$end_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -471,9 +471,9 @@ public function getAccountingActivityLockHistoryWithHttpInfo($xero_tenant_id, $e
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getAccountingActivityLockHistoryAsync($xero_tenant_id, $end_date = null)
+    public function getAccountingActivityLockHistoryAsync($xero_tenant_id$end_date = null)
     {
-        return $this->getAccountingActivityLockHistoryAsyncWithHttpInfo($xero_tenant_id, $end_date)
+        return $this->getAccountingActivityLockHistoryAsyncWithHttpInfo($xero_tenant_id$end_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -487,10 +487,10 @@ function ($response) {
      * @param  string $end_date date, yyyy-MM-dd                 If no parameter is provided, the current date will be used.                Any changes to hard or soft lock dates that were made within the period up to 12 months before this date will be returned.                Please be aware that there may be a delay of up to 3 days before a change is visible from this API. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getAccountingActivityLockHistoryAsyncWithHttpInfo($xero_tenant_id, $end_date = null)
+    public function getAccountingActivityLockHistoryAsyncWithHttpInfo($xero_tenant_id$end_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Finance\LockHistoryResponse';
-        $request = $this->getAccountingActivityLockHistoryRequest($xero_tenant_id, $end_date);
+        $request = $this->getAccountingActivityLockHistoryRequest($xero_tenant_id$end_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -530,7 +530,7 @@ function ($exception) {
      * @param  string $end_date date, yyyy-MM-dd                 If no parameter is provided, the current date will be used.                Any changes to hard or soft lock dates that were made within the period up to 12 months before this date will be returned.                Please be aware that there may be a delay of up to 3 days before a change is visible from this API. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getAccountingActivityLockHistoryRequest($xero_tenant_id, $end_date = null)
+    protected function getAccountingActivityLockHistoryRequest($xero_tenant_id$end_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -621,9 +621,9 @@ protected function getAccountingActivityLockHistoryRequest($xero_tenant_id, $end
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Finance\ReportHistoryResponse|\XeroAPI\XeroPHP\Models\Finance\Problem
      */
-    public function getAccountingActivityReportHistory($xero_tenant_id, $end_date = null)
+    public function getAccountingActivityReportHistory($xero_tenant_id$end_date = null)
     {
-        list($response) = $this->getAccountingActivityReportHistoryWithHttpInfo($xero_tenant_id, $end_date);
+        list($response) = $this->getAccountingActivityReportHistoryWithHttpInfo($xero_tenant_id$end_date);
         return $response;
     }
     /**
@@ -635,9 +635,9 @@ public function getAccountingActivityReportHistory($xero_tenant_id, $end_date =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Finance\ReportHistoryResponse|\XeroAPI\XeroPHP\Models\Finance\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getAccountingActivityReportHistoryWithHttpInfo($xero_tenant_id, $end_date = null)
+    public function getAccountingActivityReportHistoryWithHttpInfo($xero_tenant_id$end_date = null)
     {
-        $request = $this->getAccountingActivityReportHistoryRequest($xero_tenant_id, $end_date);
+        $request = $this->getAccountingActivityReportHistoryRequest($xero_tenant_id$end_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -730,9 +730,9 @@ public function getAccountingActivityReportHistoryWithHttpInfo($xero_tenant_id,
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getAccountingActivityReportHistoryAsync($xero_tenant_id, $end_date = null)
+    public function getAccountingActivityReportHistoryAsync($xero_tenant_id$end_date = null)
     {
-        return $this->getAccountingActivityReportHistoryAsyncWithHttpInfo($xero_tenant_id, $end_date)
+        return $this->getAccountingActivityReportHistoryAsyncWithHttpInfo($xero_tenant_id$end_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -746,10 +746,10 @@ function ($response) {
      * @param  string $end_date date, yyyy-MM-dd                 If no parameter is provided, the current date will be used.                Any reports that were published within the period up to 12 months before this date will be returned.                Please be aware that there may be a delay of up to 3 days before a published report is visible from this API. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getAccountingActivityReportHistoryAsyncWithHttpInfo($xero_tenant_id, $end_date = null)
+    public function getAccountingActivityReportHistoryAsyncWithHttpInfo($xero_tenant_id$end_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Finance\ReportHistoryResponse';
-        $request = $this->getAccountingActivityReportHistoryRequest($xero_tenant_id, $end_date);
+        $request = $this->getAccountingActivityReportHistoryRequest($xero_tenant_id$end_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -789,7 +789,7 @@ function ($exception) {
      * @param  string $end_date date, yyyy-MM-dd                 If no parameter is provided, the current date will be used.                Any reports that were published within the period up to 12 months before this date will be returned.                Please be aware that there may be a delay of up to 3 days before a published report is visible from this API. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getAccountingActivityReportHistoryRequest($xero_tenant_id, $end_date = null)
+    protected function getAccountingActivityReportHistoryRequest($xero_tenant_id$end_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -880,9 +880,9 @@ protected function getAccountingActivityReportHistoryRequest($xero_tenant_id, $e
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Finance\UserActivitiesResponse|\XeroAPI\XeroPHP\Models\Finance\Problem
      */
-    public function getAccountingActivityUserActivities($xero_tenant_id, $data_month = null)
+    public function getAccountingActivityUserActivities($xero_tenant_id$data_month = null)
     {
-        list($response) = $this->getAccountingActivityUserActivitiesWithHttpInfo($xero_tenant_id, $data_month);
+        list($response) = $this->getAccountingActivityUserActivitiesWithHttpInfo($xero_tenant_id$data_month);
         return $response;
     }
     /**
@@ -894,9 +894,9 @@ public function getAccountingActivityUserActivities($xero_tenant_id, $data_month
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Finance\UserActivitiesResponse|\XeroAPI\XeroPHP\Models\Finance\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getAccountingActivityUserActivitiesWithHttpInfo($xero_tenant_id, $data_month = null)
+    public function getAccountingActivityUserActivitiesWithHttpInfo($xero_tenant_id$data_month = null)
     {
-        $request = $this->getAccountingActivityUserActivitiesRequest($xero_tenant_id, $data_month);
+        $request = $this->getAccountingActivityUserActivitiesRequest($xero_tenant_id$data_month);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -989,9 +989,9 @@ public function getAccountingActivityUserActivitiesWithHttpInfo($xero_tenant_id,
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getAccountingActivityUserActivitiesAsync($xero_tenant_id, $data_month = null)
+    public function getAccountingActivityUserActivitiesAsync($xero_tenant_id$data_month = null)
     {
-        return $this->getAccountingActivityUserActivitiesAsyncWithHttpInfo($xero_tenant_id, $data_month)
+        return $this->getAccountingActivityUserActivitiesAsyncWithHttpInfo($xero_tenant_id$data_month)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1005,10 +1005,10 @@ function ($response) {
      * @param  string $data_month date, yyyy-MM                 The specified month must be complete (in the past); The current month cannot be specified since it is not complete.                If no parameter is provided, the month immediately previous to the current month will be used.                Any user activities occurring within the specified month will be returned.                Please be aware that there may be a delay of up to 3 days before a user activity is visible from this API. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getAccountingActivityUserActivitiesAsyncWithHttpInfo($xero_tenant_id, $data_month = null)
+    public function getAccountingActivityUserActivitiesAsyncWithHttpInfo($xero_tenant_id$data_month = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Finance\UserActivitiesResponse';
-        $request = $this->getAccountingActivityUserActivitiesRequest($xero_tenant_id, $data_month);
+        $request = $this->getAccountingActivityUserActivitiesRequest($xero_tenant_id$data_month);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1048,7 +1048,7 @@ function ($exception) {
      * @param  string $data_month date, yyyy-MM                 The specified month must be complete (in the past); The current month cannot be specified since it is not complete.                If no parameter is provided, the month immediately previous to the current month will be used.                Any user activities occurring within the specified month will be returned.                Please be aware that there may be a delay of up to 3 days before a user activity is visible from this API. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getAccountingActivityUserActivitiesRequest($xero_tenant_id, $data_month = null)
+    protected function getAccountingActivityUserActivitiesRequest($xero_tenant_id$data_month = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1142,9 +1142,9 @@ protected function getAccountingActivityUserActivitiesRequest($xero_tenant_id, $
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Finance\BankStatementAccountingResponse|\XeroAPI\XeroPHP\Models\Finance\Problem
      */
-    public function getBankStatementAccounting($xero_tenant_id, $bank_account_id, $from_date, $to_date, $summary_only = null)
+    public function getBankStatementAccounting($xero_tenant_id$bank_account_id$from_date$to_date$summary_only = null)
     {
-        list($response) = $this->getBankStatementAccountingWithHttpInfo($xero_tenant_id, $bank_account_id, $from_date, $to_date, $summary_only);
+        list($response) = $this->getBankStatementAccountingWithHttpInfo($xero_tenant_id$bank_account_id$from_date$to_date$summary_only);
         return $response;
     }
     /**
@@ -1159,9 +1159,9 @@ public function getBankStatementAccounting($xero_tenant_id, $bank_account_id, $f
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Finance\BankStatementAccountingResponse|\XeroAPI\XeroPHP\Models\Finance\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBankStatementAccountingWithHttpInfo($xero_tenant_id, $bank_account_id, $from_date, $to_date, $summary_only = null)
+    public function getBankStatementAccountingWithHttpInfo($xero_tenant_id$bank_account_id$from_date$to_date$summary_only = null)
     {
-        $request = $this->getBankStatementAccountingRequest($xero_tenant_id, $bank_account_id, $from_date, $to_date, $summary_only);
+        $request = $this->getBankStatementAccountingRequest($xero_tenant_id$bank_account_id$from_date$to_date$summary_only);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1257,9 +1257,9 @@ public function getBankStatementAccountingWithHttpInfo($xero_tenant_id, $bank_ac
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBankStatementAccountingAsync($xero_tenant_id, $bank_account_id, $from_date, $to_date, $summary_only = null)
+    public function getBankStatementAccountingAsync($xero_tenant_id$bank_account_id$from_date$to_date$summary_only = null)
     {
-        return $this->getBankStatementAccountingAsyncWithHttpInfo($xero_tenant_id, $bank_account_id, $from_date, $to_date, $summary_only)
+        return $this->getBankStatementAccountingAsyncWithHttpInfo($xero_tenant_id$bank_account_id$from_date$to_date$summary_only)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1276,10 +1276,10 @@ function ($response) {
      * @param  bool $summary_only boolean, true/false    The default value is true if no parameter is provided.    In summary mode, the response will exclude the computation-heavy LineItems fields from bank transaction, invoice, credit note, prepayment and overpayment data, making the API calls quicker and more efficient. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBankStatementAccountingAsyncWithHttpInfo($xero_tenant_id, $bank_account_id, $from_date, $to_date, $summary_only = null)
+    public function getBankStatementAccountingAsyncWithHttpInfo($xero_tenant_id$bank_account_id$from_date$to_date$summary_only = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Finance\BankStatementAccountingResponse';
-        $request = $this->getBankStatementAccountingRequest($xero_tenant_id, $bank_account_id, $from_date, $to_date, $summary_only);
+        $request = $this->getBankStatementAccountingRequest($xero_tenant_id$bank_account_id$from_date$to_date$summary_only);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1322,7 +1322,7 @@ function ($exception) {
      * @param  bool $summary_only boolean, true/false    The default value is true if no parameter is provided.    In summary mode, the response will exclude the computation-heavy LineItems fields from bank transaction, invoice, credit note, prepayment and overpayment data, making the API calls quicker and more efficient. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBankStatementAccountingRequest($xero_tenant_id, $bank_account_id, $from_date, $to_date, $summary_only = null)
+    protected function getBankStatementAccountingRequest($xero_tenant_id$bank_account_id$from_date$to_date$summary_only = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1445,9 +1445,9 @@ protected function getBankStatementAccountingRequest($xero_tenant_id, $bank_acco
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Finance\CashValidationResponse[]|\XeroAPI\XeroPHP\Models\Finance\Problem
      */
-    public function getCashValidation($xero_tenant_id, $balance_date = null, $as_at_system_date = null, $begin_date = null)
+    public function getCashValidation($xero_tenant_id$balance_date = null$as_at_system_date = null$begin_date = null)
     {
-        list($response) = $this->getCashValidationWithHttpInfo($xero_tenant_id, $balance_date, $as_at_system_date, $begin_date);
+        list($response) = $this->getCashValidationWithHttpInfo($xero_tenant_id$balance_date$as_at_system_date$begin_date);
         return $response;
     }
     /**
@@ -1461,9 +1461,9 @@ public function getCashValidation($xero_tenant_id, $balance_date = null, $as_at_
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Finance\CashValidationResponse[]|\XeroAPI\XeroPHP\Models\Finance\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getCashValidationWithHttpInfo($xero_tenant_id, $balance_date = null, $as_at_system_date = null, $begin_date = null)
+    public function getCashValidationWithHttpInfo($xero_tenant_id$balance_date = null$as_at_system_date = null$begin_date = null)
     {
-        $request = $this->getCashValidationRequest($xero_tenant_id, $balance_date, $as_at_system_date, $begin_date);
+        $request = $this->getCashValidationRequest($xero_tenant_id$balance_date$as_at_system_date$begin_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1558,9 +1558,9 @@ public function getCashValidationWithHttpInfo($xero_tenant_id, $balance_date = n
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getCashValidationAsync($xero_tenant_id, $balance_date = null, $as_at_system_date = null, $begin_date = null)
+    public function getCashValidationAsync($xero_tenant_id$balance_date = null$as_at_system_date = null$begin_date = null)
     {
-        return $this->getCashValidationAsyncWithHttpInfo($xero_tenant_id, $balance_date, $as_at_system_date, $begin_date)
+        return $this->getCashValidationAsyncWithHttpInfo($xero_tenant_id$balance_date$as_at_system_date$begin_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1576,10 +1576,10 @@ function ($response) {
      * @param  string $begin_date date, yyyy-MM-dd     If no parameter is provided, the aggregate results will be drawn from the user’s total history.    The ‘begin date’ will return transactions based on the accounting date entered by the user. Transactions after the beginDate will be included.  The user has discretion as to which accounting period the transaction relates to. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getCashValidationAsyncWithHttpInfo($xero_tenant_id, $balance_date = null, $as_at_system_date = null, $begin_date = null)
+    public function getCashValidationAsyncWithHttpInfo($xero_tenant_id$balance_date = null$as_at_system_date = null$begin_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Finance\CashValidationResponse[]';
-        $request = $this->getCashValidationRequest($xero_tenant_id, $balance_date, $as_at_system_date, $begin_date);
+        $request = $this->getCashValidationRequest($xero_tenant_id$balance_date$as_at_system_date$begin_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1621,7 +1621,7 @@ function ($exception) {
      * @param  string $begin_date date, yyyy-MM-dd     If no parameter is provided, the aggregate results will be drawn from the user’s total history.    The ‘begin date’ will return transactions based on the accounting date entered by the user. Transactions after the beginDate will be included.  The user has discretion as to which accounting period the transaction relates to. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getCashValidationRequest($xero_tenant_id, $balance_date = null, $as_at_system_date = null, $begin_date = null)
+    protected function getCashValidationRequest($xero_tenant_id$balance_date = null$as_at_system_date = null$begin_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1720,9 +1720,9 @@ protected function getCashValidationRequest($xero_tenant_id, $balance_date = nul
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Finance\BalanceSheetResponse|\XeroAPI\XeroPHP\Models\Finance\Problem|\XeroAPI\XeroPHP\Models\Finance\Problem
      */
-    public function getFinancialStatementBalanceSheet($xero_tenant_id, $balance_date = null)
+    public function getFinancialStatementBalanceSheet($xero_tenant_id$balance_date = null)
     {
-        list($response) = $this->getFinancialStatementBalanceSheetWithHttpInfo($xero_tenant_id, $balance_date);
+        list($response) = $this->getFinancialStatementBalanceSheetWithHttpInfo($xero_tenant_id$balance_date);
         return $response;
     }
     /**
@@ -1734,9 +1734,9 @@ public function getFinancialStatementBalanceSheet($xero_tenant_id, $balance_date
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Finance\BalanceSheetResponse|\XeroAPI\XeroPHP\Models\Finance\Problem|\XeroAPI\XeroPHP\Models\Finance\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getFinancialStatementBalanceSheetWithHttpInfo($xero_tenant_id, $balance_date = null)
+    public function getFinancialStatementBalanceSheetWithHttpInfo($xero_tenant_id$balance_date = null)
     {
-        $request = $this->getFinancialStatementBalanceSheetRequest($xero_tenant_id, $balance_date);
+        $request = $this->getFinancialStatementBalanceSheetRequest($xero_tenant_id$balance_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1848,9 +1848,9 @@ public function getFinancialStatementBalanceSheetWithHttpInfo($xero_tenant_id, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getFinancialStatementBalanceSheetAsync($xero_tenant_id, $balance_date = null)
+    public function getFinancialStatementBalanceSheetAsync($xero_tenant_id$balance_date = null)
     {
-        return $this->getFinancialStatementBalanceSheetAsyncWithHttpInfo($xero_tenant_id, $balance_date)
+        return $this->getFinancialStatementBalanceSheetAsyncWithHttpInfo($xero_tenant_id$balance_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1864,10 +1864,10 @@ function ($response) {
      * @param  string $balance_date Specifies the date for balance sheet report.    Format yyyy-MM-dd. If no parameter is provided, the current date will be used. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getFinancialStatementBalanceSheetAsyncWithHttpInfo($xero_tenant_id, $balance_date = null)
+    public function getFinancialStatementBalanceSheetAsyncWithHttpInfo($xero_tenant_id$balance_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Finance\BalanceSheetResponse';
-        $request = $this->getFinancialStatementBalanceSheetRequest($xero_tenant_id, $balance_date);
+        $request = $this->getFinancialStatementBalanceSheetRequest($xero_tenant_id$balance_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1907,7 +1907,7 @@ function ($exception) {
      * @param  string $balance_date Specifies the date for balance sheet report.    Format yyyy-MM-dd. If no parameter is provided, the current date will be used. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getFinancialStatementBalanceSheetRequest($xero_tenant_id, $balance_date = null)
+    protected function getFinancialStatementBalanceSheetRequest($xero_tenant_id$balance_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1999,9 +1999,9 @@ protected function getFinancialStatementBalanceSheetRequest($xero_tenant_id, $ba
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Finance\CashflowResponse|\XeroAPI\XeroPHP\Models\Finance\Problem|\XeroAPI\XeroPHP\Models\Finance\Problem
      */
-    public function getFinancialStatementCashflow($xero_tenant_id, $start_date = null, $end_date = null)
+    public function getFinancialStatementCashflow($xero_tenant_id$start_date = null$end_date = null)
     {
-        list($response) = $this->getFinancialStatementCashflowWithHttpInfo($xero_tenant_id, $start_date, $end_date);
+        list($response) = $this->getFinancialStatementCashflowWithHttpInfo($xero_tenant_id$start_date$end_date);
         return $response;
     }
     /**
@@ -2014,9 +2014,9 @@ public function getFinancialStatementCashflow($xero_tenant_id, $start_date = nul
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Finance\CashflowResponse|\XeroAPI\XeroPHP\Models\Finance\Problem|\XeroAPI\XeroPHP\Models\Finance\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getFinancialStatementCashflowWithHttpInfo($xero_tenant_id, $start_date = null, $end_date = null)
+    public function getFinancialStatementCashflowWithHttpInfo($xero_tenant_id$start_date = null$end_date = null)
     {
-        $request = $this->getFinancialStatementCashflowRequest($xero_tenant_id, $start_date, $end_date);
+        $request = $this->getFinancialStatementCashflowRequest($xero_tenant_id$start_date$end_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2129,9 +2129,9 @@ public function getFinancialStatementCashflowWithHttpInfo($xero_tenant_id, $star
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getFinancialStatementCashflowAsync($xero_tenant_id, $start_date = null, $end_date = null)
+    public function getFinancialStatementCashflowAsync($xero_tenant_id$start_date = null$end_date = null)
     {
-        return $this->getFinancialStatementCashflowAsyncWithHttpInfo($xero_tenant_id, $start_date, $end_date)
+        return $this->getFinancialStatementCashflowAsyncWithHttpInfo($xero_tenant_id$start_date$end_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2146,10 +2146,10 @@ function ($response) {
      * @param  string $end_date Date e.g. yyyy-MM-dd    Specifies the end date for cash flow report.    If no parameter is provided, the current date will be used. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getFinancialStatementCashflowAsyncWithHttpInfo($xero_tenant_id, $start_date = null, $end_date = null)
+    public function getFinancialStatementCashflowAsyncWithHttpInfo($xero_tenant_id$start_date = null$end_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Finance\CashflowResponse';
-        $request = $this->getFinancialStatementCashflowRequest($xero_tenant_id, $start_date, $end_date);
+        $request = $this->getFinancialStatementCashflowRequest($xero_tenant_id$start_date$end_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2190,7 +2190,7 @@ function ($exception) {
      * @param  string $end_date Date e.g. yyyy-MM-dd    Specifies the end date for cash flow report.    If no parameter is provided, the current date will be used. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getFinancialStatementCashflowRequest($xero_tenant_id, $start_date = null, $end_date = null)
+    protected function getFinancialStatementCashflowRequest($xero_tenant_id$start_date = null$end_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2288,9 +2288,9 @@ protected function getFinancialStatementCashflowRequest($xero_tenant_id, $start_
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Finance\IncomeByContactResponse|\XeroAPI\XeroPHP\Models\Finance\Problem
      */
-    public function getFinancialStatementContactsExpense($xero_tenant_id, $contact_ids = null, $include_manual_journals = null, $start_date = null, $end_date = null)
+    public function getFinancialStatementContactsExpense($xero_tenant_id$contact_ids = null$include_manual_journals = null$start_date = null$end_date = null)
     {
-        list($response) = $this->getFinancialStatementContactsExpenseWithHttpInfo($xero_tenant_id, $contact_ids, $include_manual_journals, $start_date, $end_date);
+        list($response) = $this->getFinancialStatementContactsExpenseWithHttpInfo($xero_tenant_id$contact_ids$include_manual_journals$start_date$end_date);
         return $response;
     }
     /**
@@ -2305,9 +2305,9 @@ public function getFinancialStatementContactsExpense($xero_tenant_id, $contact_i
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Finance\IncomeByContactResponse|\XeroAPI\XeroPHP\Models\Finance\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getFinancialStatementContactsExpenseWithHttpInfo($xero_tenant_id, $contact_ids = null, $include_manual_journals = null, $start_date = null, $end_date = null)
+    public function getFinancialStatementContactsExpenseWithHttpInfo($xero_tenant_id$contact_ids = null$include_manual_journals = null$start_date = null$end_date = null)
     {
-        $request = $this->getFinancialStatementContactsExpenseRequest($xero_tenant_id, $contact_ids, $include_manual_journals, $start_date, $end_date);
+        $request = $this->getFinancialStatementContactsExpenseRequest($xero_tenant_id$contact_ids$include_manual_journals$start_date$end_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2403,9 +2403,9 @@ public function getFinancialStatementContactsExpenseWithHttpInfo($xero_tenant_id
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getFinancialStatementContactsExpenseAsync($xero_tenant_id, $contact_ids = null, $include_manual_journals = null, $start_date = null, $end_date = null)
+    public function getFinancialStatementContactsExpenseAsync($xero_tenant_id$contact_ids = null$include_manual_journals = null$start_date = null$end_date = null)
     {
-        return $this->getFinancialStatementContactsExpenseAsyncWithHttpInfo($xero_tenant_id, $contact_ids, $include_manual_journals, $start_date, $end_date)
+        return $this->getFinancialStatementContactsExpenseAsyncWithHttpInfo($xero_tenant_id$contact_ids$include_manual_journals$start_date$end_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2422,10 +2422,10 @@ function ($response) {
      * @param  string $end_date Date yyyy-MM-dd    Specifies the end date for the report.    If no parameter is provided, the current date will be used.                It is recommended to always specify both a start date and end date; While the initial range may be set to 12 months, this may need to be reduced for high volume organisations in order to improve latency. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getFinancialStatementContactsExpenseAsyncWithHttpInfo($xero_tenant_id, $contact_ids = null, $include_manual_journals = null, $start_date = null, $end_date = null)
+    public function getFinancialStatementContactsExpenseAsyncWithHttpInfo($xero_tenant_id$contact_ids = null$include_manual_journals = null$start_date = null$end_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Finance\IncomeByContactResponse';
-        $request = $this->getFinancialStatementContactsExpenseRequest($xero_tenant_id, $contact_ids, $include_manual_journals, $start_date, $end_date);
+        $request = $this->getFinancialStatementContactsExpenseRequest($xero_tenant_id$contact_ids$include_manual_journals$start_date$end_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2468,7 +2468,7 @@ function ($exception) {
      * @param  string $end_date Date yyyy-MM-dd    Specifies the end date for the report.    If no parameter is provided, the current date will be used.                It is recommended to always specify both a start date and end date; While the initial range may be set to 12 months, this may need to be reduced for high volume organisations in order to improve latency. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getFinancialStatementContactsExpenseRequest($xero_tenant_id, $contact_ids = null, $include_manual_journals = null, $start_date = null, $end_date = null)
+    protected function getFinancialStatementContactsExpenseRequest($xero_tenant_id$contact_ids = null$include_manual_journals = null$start_date = null$end_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2577,9 +2577,9 @@ protected function getFinancialStatementContactsExpenseRequest($xero_tenant_id,
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Finance\IncomeByContactResponse|\XeroAPI\XeroPHP\Models\Finance\Problem
      */
-    public function getFinancialStatementContactsRevenue($xero_tenant_id, $contact_ids = null, $include_manual_journals = null, $start_date = null, $end_date = null)
+    public function getFinancialStatementContactsRevenue($xero_tenant_id$contact_ids = null$include_manual_journals = null$start_date = null$end_date = null)
     {
-        list($response) = $this->getFinancialStatementContactsRevenueWithHttpInfo($xero_tenant_id, $contact_ids, $include_manual_journals, $start_date, $end_date);
+        list($response) = $this->getFinancialStatementContactsRevenueWithHttpInfo($xero_tenant_id$contact_ids$include_manual_journals$start_date$end_date);
         return $response;
     }
     /**
@@ -2594,9 +2594,9 @@ public function getFinancialStatementContactsRevenue($xero_tenant_id, $contact_i
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Finance\IncomeByContactResponse|\XeroAPI\XeroPHP\Models\Finance\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getFinancialStatementContactsRevenueWithHttpInfo($xero_tenant_id, $contact_ids = null, $include_manual_journals = null, $start_date = null, $end_date = null)
+    public function getFinancialStatementContactsRevenueWithHttpInfo($xero_tenant_id$contact_ids = null$include_manual_journals = null$start_date = null$end_date = null)
     {
-        $request = $this->getFinancialStatementContactsRevenueRequest($xero_tenant_id, $contact_ids, $include_manual_journals, $start_date, $end_date);
+        $request = $this->getFinancialStatementContactsRevenueRequest($xero_tenant_id$contact_ids$include_manual_journals$start_date$end_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2692,9 +2692,9 @@ public function getFinancialStatementContactsRevenueWithHttpInfo($xero_tenant_id
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getFinancialStatementContactsRevenueAsync($xero_tenant_id, $contact_ids = null, $include_manual_journals = null, $start_date = null, $end_date = null)
+    public function getFinancialStatementContactsRevenueAsync($xero_tenant_id$contact_ids = null$include_manual_journals = null$start_date = null$end_date = null)
     {
-        return $this->getFinancialStatementContactsRevenueAsyncWithHttpInfo($xero_tenant_id, $contact_ids, $include_manual_journals, $start_date, $end_date)
+        return $this->getFinancialStatementContactsRevenueAsyncWithHttpInfo($xero_tenant_id$contact_ids$include_manual_journals$start_date$end_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2711,10 +2711,10 @@ function ($response) {
      * @param  string $end_date Date yyyy-MM-dd    Specifies the end date for the report.    If no parameter is provided, the current date will be used.                It is recommended to always specify both a start date and end date; While the initial range may be set to 12 months, this may need to be reduced for high volume organisations in order to improve latency. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getFinancialStatementContactsRevenueAsyncWithHttpInfo($xero_tenant_id, $contact_ids = null, $include_manual_journals = null, $start_date = null, $end_date = null)
+    public function getFinancialStatementContactsRevenueAsyncWithHttpInfo($xero_tenant_id$contact_ids = null$include_manual_journals = null$start_date = null$end_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Finance\IncomeByContactResponse';
-        $request = $this->getFinancialStatementContactsRevenueRequest($xero_tenant_id, $contact_ids, $include_manual_journals, $start_date, $end_date);
+        $request = $this->getFinancialStatementContactsRevenueRequest($xero_tenant_id$contact_ids$include_manual_journals$start_date$end_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2757,7 +2757,7 @@ function ($exception) {
      * @param  string $end_date Date yyyy-MM-dd    Specifies the end date for the report.    If no parameter is provided, the current date will be used.                It is recommended to always specify both a start date and end date; While the initial range may be set to 12 months, this may need to be reduced for high volume organisations in order to improve latency. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getFinancialStatementContactsRevenueRequest($xero_tenant_id, $contact_ids = null, $include_manual_journals = null, $start_date = null, $end_date = null)
+    protected function getFinancialStatementContactsRevenueRequest($xero_tenant_id$contact_ids = null$include_manual_journals = null$start_date = null$end_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2864,9 +2864,9 @@ protected function getFinancialStatementContactsRevenueRequest($xero_tenant_id,
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Finance\ProfitAndLossResponse|\XeroAPI\XeroPHP\Models\Finance\Problem
      */
-    public function getFinancialStatementProfitAndLoss($xero_tenant_id, $start_date = null, $end_date = null)
+    public function getFinancialStatementProfitAndLoss($xero_tenant_id$start_date = null$end_date = null)
     {
-        list($response) = $this->getFinancialStatementProfitAndLossWithHttpInfo($xero_tenant_id, $start_date, $end_date);
+        list($response) = $this->getFinancialStatementProfitAndLossWithHttpInfo($xero_tenant_id$start_date$end_date);
         return $response;
     }
     /**
@@ -2879,9 +2879,9 @@ public function getFinancialStatementProfitAndLoss($xero_tenant_id, $start_date
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Finance\ProfitAndLossResponse|\XeroAPI\XeroPHP\Models\Finance\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getFinancialStatementProfitAndLossWithHttpInfo($xero_tenant_id, $start_date = null, $end_date = null)
+    public function getFinancialStatementProfitAndLossWithHttpInfo($xero_tenant_id$start_date = null$end_date = null)
     {
-        $request = $this->getFinancialStatementProfitAndLossRequest($xero_tenant_id, $start_date, $end_date);
+        $request = $this->getFinancialStatementProfitAndLossRequest($xero_tenant_id$start_date$end_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2975,9 +2975,9 @@ public function getFinancialStatementProfitAndLossWithHttpInfo($xero_tenant_id,
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getFinancialStatementProfitAndLossAsync($xero_tenant_id, $start_date = null, $end_date = null)
+    public function getFinancialStatementProfitAndLossAsync($xero_tenant_id$start_date = null$end_date = null)
     {
-        return $this->getFinancialStatementProfitAndLossAsyncWithHttpInfo($xero_tenant_id, $start_date, $end_date)
+        return $this->getFinancialStatementProfitAndLossAsyncWithHttpInfo($xero_tenant_id$start_date$end_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2992,10 +2992,10 @@ function ($response) {
      * @param  string $end_date Date e.g. yyyy-MM-dd    Specifies the end date for profit and loss report     If no parameter is provided, the current date will be used. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getFinancialStatementProfitAndLossAsyncWithHttpInfo($xero_tenant_id, $start_date = null, $end_date = null)
+    public function getFinancialStatementProfitAndLossAsyncWithHttpInfo($xero_tenant_id$start_date = null$end_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Finance\ProfitAndLossResponse';
-        $request = $this->getFinancialStatementProfitAndLossRequest($xero_tenant_id, $start_date, $end_date);
+        $request = $this->getFinancialStatementProfitAndLossRequest($xero_tenant_id$start_date$end_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3036,7 +3036,7 @@ function ($exception) {
      * @param  string $end_date Date e.g. yyyy-MM-dd    Specifies the end date for profit and loss report     If no parameter is provided, the current date will be used. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getFinancialStatementProfitAndLossRequest($xero_tenant_id, $start_date = null, $end_date = null)
+    protected function getFinancialStatementProfitAndLossRequest($xero_tenant_id$start_date = null$end_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3131,9 +3131,9 @@ protected function getFinancialStatementProfitAndLossRequest($xero_tenant_id, $s
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Finance\TrialBalanceResponse|\XeroAPI\XeroPHP\Models\Finance\Problem
      */
-    public function getFinancialStatementTrialBalance($xero_tenant_id, $end_date = null)
+    public function getFinancialStatementTrialBalance($xero_tenant_id$end_date = null)
     {
-        list($response) = $this->getFinancialStatementTrialBalanceWithHttpInfo($xero_tenant_id, $end_date);
+        list($response) = $this->getFinancialStatementTrialBalanceWithHttpInfo($xero_tenant_id$end_date);
         return $response;
     }
     /**
@@ -3145,9 +3145,9 @@ public function getFinancialStatementTrialBalance($xero_tenant_id, $end_date = n
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Finance\TrialBalanceResponse|\XeroAPI\XeroPHP\Models\Finance\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getFinancialStatementTrialBalanceWithHttpInfo($xero_tenant_id, $end_date = null)
+    public function getFinancialStatementTrialBalanceWithHttpInfo($xero_tenant_id$end_date = null)
     {
-        $request = $this->getFinancialStatementTrialBalanceRequest($xero_tenant_id, $end_date);
+        $request = $this->getFinancialStatementTrialBalanceRequest($xero_tenant_id$end_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3240,9 +3240,9 @@ public function getFinancialStatementTrialBalanceWithHttpInfo($xero_tenant_id, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getFinancialStatementTrialBalanceAsync($xero_tenant_id, $end_date = null)
+    public function getFinancialStatementTrialBalanceAsync($xero_tenant_id$end_date = null)
     {
-        return $this->getFinancialStatementTrialBalanceAsyncWithHttpInfo($xero_tenant_id, $end_date)
+        return $this->getFinancialStatementTrialBalanceAsyncWithHttpInfo($xero_tenant_id$end_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3256,10 +3256,10 @@ function ($response) {
      * @param  string $end_date Date e.g. yyyy-MM-dd     Specifies the end date for trial balance report     If no parameter is provided, the current date will be used. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getFinancialStatementTrialBalanceAsyncWithHttpInfo($xero_tenant_id, $end_date = null)
+    public function getFinancialStatementTrialBalanceAsyncWithHttpInfo($xero_tenant_id$end_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Finance\TrialBalanceResponse';
-        $request = $this->getFinancialStatementTrialBalanceRequest($xero_tenant_id, $end_date);
+        $request = $this->getFinancialStatementTrialBalanceRequest($xero_tenant_id$end_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3299,7 +3299,7 @@ function ($exception) {
      * @param  string $end_date Date e.g. yyyy-MM-dd     Specifies the end date for trial balance report     If no parameter is provided, the current date will be used. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getFinancialStatementTrialBalanceRequest($xero_tenant_id, $end_date = null)
+    protected function getFinancialStatementTrialBalanceRequest($xero_tenant_id$end_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
diff --git a/lib/Api/IdentityApi.php b/lib/Api/IdentityApi.php
index e47f7976..340e46b3 100644
--- a/lib/Api/IdentityApi.php
+++ b/lib/Api/IdentityApi.php
@@ -14,10 +14,10 @@
  *
  * These endpoints are related to managing authentication tokens and identity for Xero API
  *
- * OpenAPI spec version: 2.19.3
+ * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
diff --git a/lib/Api/PayrollAuApi.php b/lib/Api/PayrollAuApi.php
index e7df0f0b..cd204d63 100644
--- a/lib/Api/PayrollAuApi.php
+++ b/lib/Api/PayrollAuApi.php
@@ -14,10 +14,10 @@
  *
  * This is the Xero Payroll API for orgs in Australia region.
  *
- * OpenAPI spec version: 2.19.3
+ * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
@@ -94,9 +94,9 @@ public function getConfig()
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\Employees
      */
-    public function createEmployee($xero_tenant_id, $employee)
+    public function createEmployee($xero_tenant_id$employee)
     {
-        list($response) = $this->createEmployeeWithHttpInfo($xero_tenant_id, $employee);
+        list($response) = $this->createEmployeeWithHttpInfo($xero_tenant_id$employee);
         return $response;
     }
     /**
@@ -108,9 +108,9 @@ public function createEmployee($xero_tenant_id, $employee)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\Employees, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeWithHttpInfo($xero_tenant_id, $employee)
+    public function createEmployeeWithHttpInfo($xero_tenant_id$employee)
     {
-        $request = $this->createEmployeeRequest($xero_tenant_id, $employee);
+        $request = $this->createEmployeeRequest($xero_tenant_id$employee);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -184,9 +184,9 @@ public function createEmployeeWithHttpInfo($xero_tenant_id, $employee)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeAsync($xero_tenant_id, $employee)
+    public function createEmployeeAsync($xero_tenant_id$employee)
     {
-        return $this->createEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee)
+        return $this->createEmployeeAsyncWithHttpInfo($xero_tenant_id$employee)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -200,10 +200,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\Employee[] $employee (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee)
+    public function createEmployeeAsyncWithHttpInfo($xero_tenant_id$employee)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\Employees';
-        $request = $this->createEmployeeRequest($xero_tenant_id, $employee);
+        $request = $this->createEmployeeRequest($xero_tenant_id$employee);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -243,7 +243,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\Employee[] $employee (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeRequest($xero_tenant_id, $employee)
+    protected function createEmployeeRequest($xero_tenant_id$employee)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -339,9 +339,9 @@ protected function createEmployeeRequest($xero_tenant_id, $employee)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplications
      */
-    public function createLeaveApplication($xero_tenant_id, $leave_application)
+    public function createLeaveApplication($xero_tenant_id$leave_application)
     {
-        list($response) = $this->createLeaveApplicationWithHttpInfo($xero_tenant_id, $leave_application);
+        list($response) = $this->createLeaveApplicationWithHttpInfo($xero_tenant_id$leave_application);
         return $response;
     }
     /**
@@ -353,9 +353,9 @@ public function createLeaveApplication($xero_tenant_id, $leave_application)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplications, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createLeaveApplicationWithHttpInfo($xero_tenant_id, $leave_application)
+    public function createLeaveApplicationWithHttpInfo($xero_tenant_id$leave_application)
     {
-        $request = $this->createLeaveApplicationRequest($xero_tenant_id, $leave_application);
+        $request = $this->createLeaveApplicationRequest($xero_tenant_id$leave_application);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -429,9 +429,9 @@ public function createLeaveApplicationWithHttpInfo($xero_tenant_id, $leave_appli
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createLeaveApplicationAsync($xero_tenant_id, $leave_application)
+    public function createLeaveApplicationAsync($xero_tenant_id$leave_application)
     {
-        return $this->createLeaveApplicationAsyncWithHttpInfo($xero_tenant_id, $leave_application)
+        return $this->createLeaveApplicationAsyncWithHttpInfo($xero_tenant_id$leave_application)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -445,10 +445,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplication[] $leave_application (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createLeaveApplicationAsyncWithHttpInfo($xero_tenant_id, $leave_application)
+    public function createLeaveApplicationAsyncWithHttpInfo($xero_tenant_id$leave_application)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplications';
-        $request = $this->createLeaveApplicationRequest($xero_tenant_id, $leave_application);
+        $request = $this->createLeaveApplicationRequest($xero_tenant_id$leave_application);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -488,7 +488,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplication[] $leave_application (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createLeaveApplicationRequest($xero_tenant_id, $leave_application)
+    protected function createLeaveApplicationRequest($xero_tenant_id$leave_application)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -584,9 +584,9 @@ protected function createLeaveApplicationRequest($xero_tenant_id, $leave_applica
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\PayItems
      */
-    public function createPayItem($xero_tenant_id, $pay_item)
+    public function createPayItem($xero_tenant_id$pay_item)
     {
-        list($response) = $this->createPayItemWithHttpInfo($xero_tenant_id, $pay_item);
+        list($response) = $this->createPayItemWithHttpInfo($xero_tenant_id$pay_item);
         return $response;
     }
     /**
@@ -598,9 +598,9 @@ public function createPayItem($xero_tenant_id, $pay_item)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\PayItems, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPayItemWithHttpInfo($xero_tenant_id, $pay_item)
+    public function createPayItemWithHttpInfo($xero_tenant_id$pay_item)
     {
-        $request = $this->createPayItemRequest($xero_tenant_id, $pay_item);
+        $request = $this->createPayItemRequest($xero_tenant_id$pay_item);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -674,9 +674,9 @@ public function createPayItemWithHttpInfo($xero_tenant_id, $pay_item)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPayItemAsync($xero_tenant_id, $pay_item)
+    public function createPayItemAsync($xero_tenant_id$pay_item)
     {
-        return $this->createPayItemAsyncWithHttpInfo($xero_tenant_id, $pay_item)
+        return $this->createPayItemAsyncWithHttpInfo($xero_tenant_id$pay_item)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -690,10 +690,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\PayItem $pay_item (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPayItemAsyncWithHttpInfo($xero_tenant_id, $pay_item)
+    public function createPayItemAsyncWithHttpInfo($xero_tenant_id$pay_item)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\PayItems';
-        $request = $this->createPayItemRequest($xero_tenant_id, $pay_item);
+        $request = $this->createPayItemRequest($xero_tenant_id$pay_item);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -733,7 +733,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\PayItem $pay_item (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPayItemRequest($xero_tenant_id, $pay_item)
+    protected function createPayItemRequest($xero_tenant_id$pay_item)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -829,9 +829,9 @@ protected function createPayItemRequest($xero_tenant_id, $pay_item)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\PayRuns
      */
-    public function createPayRun($xero_tenant_id, $pay_run)
+    public function createPayRun($xero_tenant_id$pay_run)
     {
-        list($response) = $this->createPayRunWithHttpInfo($xero_tenant_id, $pay_run);
+        list($response) = $this->createPayRunWithHttpInfo($xero_tenant_id$pay_run);
         return $response;
     }
     /**
@@ -843,9 +843,9 @@ public function createPayRun($xero_tenant_id, $pay_run)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\PayRuns, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPayRunWithHttpInfo($xero_tenant_id, $pay_run)
+    public function createPayRunWithHttpInfo($xero_tenant_id$pay_run)
     {
-        $request = $this->createPayRunRequest($xero_tenant_id, $pay_run);
+        $request = $this->createPayRunRequest($xero_tenant_id$pay_run);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -919,9 +919,9 @@ public function createPayRunWithHttpInfo($xero_tenant_id, $pay_run)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPayRunAsync($xero_tenant_id, $pay_run)
+    public function createPayRunAsync($xero_tenant_id$pay_run)
     {
-        return $this->createPayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run)
+        return $this->createPayRunAsyncWithHttpInfo($xero_tenant_id$pay_run)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -935,10 +935,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\PayRun[] $pay_run (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run)
+    public function createPayRunAsyncWithHttpInfo($xero_tenant_id$pay_run)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\PayRuns';
-        $request = $this->createPayRunRequest($xero_tenant_id, $pay_run);
+        $request = $this->createPayRunRequest($xero_tenant_id$pay_run);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -978,7 +978,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\PayRun[] $pay_run (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPayRunRequest($xero_tenant_id, $pay_run)
+    protected function createPayRunRequest($xero_tenant_id$pay_run)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1074,9 +1074,9 @@ protected function createPayRunRequest($xero_tenant_id, $pay_run)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\PayrollCalendars
      */
-    public function createPayrollCalendar($xero_tenant_id, $payroll_calendar)
+    public function createPayrollCalendar($xero_tenant_id$payroll_calendar)
     {
-        list($response) = $this->createPayrollCalendarWithHttpInfo($xero_tenant_id, $payroll_calendar);
+        list($response) = $this->createPayrollCalendarWithHttpInfo($xero_tenant_id$payroll_calendar);
         return $response;
     }
     /**
@@ -1088,9 +1088,9 @@ public function createPayrollCalendar($xero_tenant_id, $payroll_calendar)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\PayrollCalendars, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPayrollCalendarWithHttpInfo($xero_tenant_id, $payroll_calendar)
+    public function createPayrollCalendarWithHttpInfo($xero_tenant_id$payroll_calendar)
     {
-        $request = $this->createPayrollCalendarRequest($xero_tenant_id, $payroll_calendar);
+        $request = $this->createPayrollCalendarRequest($xero_tenant_id$payroll_calendar);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1164,9 +1164,9 @@ public function createPayrollCalendarWithHttpInfo($xero_tenant_id, $payroll_cale
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPayrollCalendarAsync($xero_tenant_id, $payroll_calendar)
+    public function createPayrollCalendarAsync($xero_tenant_id$payroll_calendar)
     {
-        return $this->createPayrollCalendarAsyncWithHttpInfo($xero_tenant_id, $payroll_calendar)
+        return $this->createPayrollCalendarAsyncWithHttpInfo($xero_tenant_id$payroll_calendar)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1180,10 +1180,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\PayrollCalendar[] $payroll_calendar (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPayrollCalendarAsyncWithHttpInfo($xero_tenant_id, $payroll_calendar)
+    public function createPayrollCalendarAsyncWithHttpInfo($xero_tenant_id$payroll_calendar)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\PayrollCalendars';
-        $request = $this->createPayrollCalendarRequest($xero_tenant_id, $payroll_calendar);
+        $request = $this->createPayrollCalendarRequest($xero_tenant_id$payroll_calendar);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1223,7 +1223,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\PayrollCalendar[] $payroll_calendar (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPayrollCalendarRequest($xero_tenant_id, $payroll_calendar)
+    protected function createPayrollCalendarRequest($xero_tenant_id$payroll_calendar)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1319,9 +1319,9 @@ protected function createPayrollCalendarRequest($xero_tenant_id, $payroll_calend
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\SuperFunds
      */
-    public function createSuperfund($xero_tenant_id, $super_fund)
+    public function createSuperfund($xero_tenant_id$super_fund)
     {
-        list($response) = $this->createSuperfundWithHttpInfo($xero_tenant_id, $super_fund);
+        list($response) = $this->createSuperfundWithHttpInfo($xero_tenant_id$super_fund);
         return $response;
     }
     /**
@@ -1333,9 +1333,9 @@ public function createSuperfund($xero_tenant_id, $super_fund)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\SuperFunds, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createSuperfundWithHttpInfo($xero_tenant_id, $super_fund)
+    public function createSuperfundWithHttpInfo($xero_tenant_id$super_fund)
     {
-        $request = $this->createSuperfundRequest($xero_tenant_id, $super_fund);
+        $request = $this->createSuperfundRequest($xero_tenant_id$super_fund);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1409,9 +1409,9 @@ public function createSuperfundWithHttpInfo($xero_tenant_id, $super_fund)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createSuperfundAsync($xero_tenant_id, $super_fund)
+    public function createSuperfundAsync($xero_tenant_id$super_fund)
     {
-        return $this->createSuperfundAsyncWithHttpInfo($xero_tenant_id, $super_fund)
+        return $this->createSuperfundAsyncWithHttpInfo($xero_tenant_id$super_fund)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1425,10 +1425,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\SuperFund[] $super_fund (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createSuperfundAsyncWithHttpInfo($xero_tenant_id, $super_fund)
+    public function createSuperfundAsyncWithHttpInfo($xero_tenant_id$super_fund)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\SuperFunds';
-        $request = $this->createSuperfundRequest($xero_tenant_id, $super_fund);
+        $request = $this->createSuperfundRequest($xero_tenant_id$super_fund);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1468,7 +1468,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\SuperFund[] $super_fund (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createSuperfundRequest($xero_tenant_id, $super_fund)
+    protected function createSuperfundRequest($xero_tenant_id$super_fund)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1564,9 +1564,9 @@ protected function createSuperfundRequest($xero_tenant_id, $super_fund)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\Timesheets
      */
-    public function createTimesheet($xero_tenant_id, $timesheet)
+    public function createTimesheet($xero_tenant_id$timesheet)
     {
-        list($response) = $this->createTimesheetWithHttpInfo($xero_tenant_id, $timesheet);
+        list($response) = $this->createTimesheetWithHttpInfo($xero_tenant_id$timesheet);
         return $response;
     }
     /**
@@ -1578,9 +1578,9 @@ public function createTimesheet($xero_tenant_id, $timesheet)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\Timesheets, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createTimesheetWithHttpInfo($xero_tenant_id, $timesheet)
+    public function createTimesheetWithHttpInfo($xero_tenant_id$timesheet)
     {
-        $request = $this->createTimesheetRequest($xero_tenant_id, $timesheet);
+        $request = $this->createTimesheetRequest($xero_tenant_id$timesheet);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1654,9 +1654,9 @@ public function createTimesheetWithHttpInfo($xero_tenant_id, $timesheet)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createTimesheetAsync($xero_tenant_id, $timesheet)
+    public function createTimesheetAsync($xero_tenant_id$timesheet)
     {
-        return $this->createTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet)
+        return $this->createTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1670,10 +1670,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\Timesheet[] $timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet)
+    public function createTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\Timesheets';
-        $request = $this->createTimesheetRequest($xero_tenant_id, $timesheet);
+        $request = $this->createTimesheetRequest($xero_tenant_id$timesheet);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1713,7 +1713,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\Timesheet[] $timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createTimesheetRequest($xero_tenant_id, $timesheet)
+    protected function createTimesheetRequest($xero_tenant_id$timesheet)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1809,9 +1809,9 @@ protected function createTimesheetRequest($xero_tenant_id, $timesheet)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\Employees
      */
-    public function getEmployee($xero_tenant_id, $employee_id)
+    public function getEmployee($xero_tenant_id$employee_id)
     {
-        list($response) = $this->getEmployeeWithHttpInfo($xero_tenant_id, $employee_id);
+        list($response) = $this->getEmployeeWithHttpInfo($xero_tenant_id$employee_id);
         return $response;
     }
     /**
@@ -1823,9 +1823,9 @@ public function getEmployee($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\Employees, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeWithHttpInfo($xero_tenant_id$employee_id)
     {
-        $request = $this->getEmployeeRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeRequest($xero_tenant_id$employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1899,9 +1899,9 @@ public function getEmployeeWithHttpInfo($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeAsync($xero_tenant_id, $employee_id)
+    public function getEmployeeAsync($xero_tenant_id$employee_id)
     {
-        return $this->getEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+        return $this->getEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1915,10 +1915,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\Employees';
-        $request = $this->getEmployeeRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeRequest($xero_tenant_id$employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1958,7 +1958,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeRequest($xero_tenant_id, $employee_id)
+    protected function getEmployeeRequest($xero_tenant_id$employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2062,9 +2062,9 @@ protected function getEmployeeRequest($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\Employees|\XeroAPI\XeroPHP\Models\PayrollAu\APIException
      */
-    public function getEmployees($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getEmployees($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
-        list($response) = $this->getEmployeesWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page);
+        list($response) = $this->getEmployeesWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page);
         return $response;
     }
     /**
@@ -2079,9 +2079,9 @@ public function getEmployees($xero_tenant_id, $if_modified_since = null, $where
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\Employees|\XeroAPI\XeroPHP\Models\PayrollAu\APIException, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeesWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getEmployeesWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
-        $request = $this->getEmployeesRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
+        $request = $this->getEmployeesRequest($xero_tenant_id$if_modified_since$where$order$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2177,9 +2177,9 @@ public function getEmployeesWithHttpInfo($xero_tenant_id, $if_modified_since = n
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeesAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getEmployeesAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
-        return $this->getEmployeesAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page)
+        return $this->getEmployeesAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2196,10 +2196,10 @@ function ($response) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 employees will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeesAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getEmployeesAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\Employees';
-        $request = $this->getEmployeesRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
+        $request = $this->getEmployeesRequest($xero_tenant_id$if_modified_since$where$order$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2242,7 +2242,7 @@ function ($exception) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 employees will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeesRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    protected function getEmployeesRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2345,9 +2345,9 @@ protected function getEmployeesRequest($xero_tenant_id, $if_modified_since = nul
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplications
      */
-    public function getLeaveApplication($xero_tenant_id, $leave_application_id)
+    public function getLeaveApplication($xero_tenant_id$leave_application_id)
     {
-        list($response) = $this->getLeaveApplicationWithHttpInfo($xero_tenant_id, $leave_application_id);
+        list($response) = $this->getLeaveApplicationWithHttpInfo($xero_tenant_id$leave_application_id);
         return $response;
     }
     /**
@@ -2359,9 +2359,9 @@ public function getLeaveApplication($xero_tenant_id, $leave_application_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplications, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getLeaveApplicationWithHttpInfo($xero_tenant_id, $leave_application_id)
+    public function getLeaveApplicationWithHttpInfo($xero_tenant_id$leave_application_id)
     {
-        $request = $this->getLeaveApplicationRequest($xero_tenant_id, $leave_application_id);
+        $request = $this->getLeaveApplicationRequest($xero_tenant_id$leave_application_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2435,9 +2435,9 @@ public function getLeaveApplicationWithHttpInfo($xero_tenant_id, $leave_applicat
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getLeaveApplicationAsync($xero_tenant_id, $leave_application_id)
+    public function getLeaveApplicationAsync($xero_tenant_id$leave_application_id)
     {
-        return $this->getLeaveApplicationAsyncWithHttpInfo($xero_tenant_id, $leave_application_id)
+        return $this->getLeaveApplicationAsyncWithHttpInfo($xero_tenant_id$leave_application_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2451,10 +2451,10 @@ function ($response) {
      * @param  string $leave_application_id Leave Application id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getLeaveApplicationAsyncWithHttpInfo($xero_tenant_id, $leave_application_id)
+    public function getLeaveApplicationAsyncWithHttpInfo($xero_tenant_id$leave_application_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplications';
-        $request = $this->getLeaveApplicationRequest($xero_tenant_id, $leave_application_id);
+        $request = $this->getLeaveApplicationRequest($xero_tenant_id$leave_application_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2494,7 +2494,7 @@ function ($exception) {
      * @param  string $leave_application_id Leave Application id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getLeaveApplicationRequest($xero_tenant_id, $leave_application_id)
+    protected function getLeaveApplicationRequest($xero_tenant_id$leave_application_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2598,9 +2598,9 @@ protected function getLeaveApplicationRequest($xero_tenant_id, $leave_applicatio
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplications|\XeroAPI\XeroPHP\Models\PayrollAu\APIException
      */
-    public function getLeaveApplications($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getLeaveApplications($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
-        list($response) = $this->getLeaveApplicationsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page);
+        list($response) = $this->getLeaveApplicationsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page);
         return $response;
     }
     /**
@@ -2615,9 +2615,9 @@ public function getLeaveApplications($xero_tenant_id, $if_modified_since = null,
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplications|\XeroAPI\XeroPHP\Models\PayrollAu\APIException, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getLeaveApplicationsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getLeaveApplicationsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
-        $request = $this->getLeaveApplicationsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
+        $request = $this->getLeaveApplicationsRequest($xero_tenant_id$if_modified_since$where$order$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2713,9 +2713,9 @@ public function getLeaveApplicationsWithHttpInfo($xero_tenant_id, $if_modified_s
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getLeaveApplicationsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getLeaveApplicationsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
-        return $this->getLeaveApplicationsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page)
+        return $this->getLeaveApplicationsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2732,10 +2732,10 @@ function ($response) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 objects will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getLeaveApplicationsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getLeaveApplicationsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplications';
-        $request = $this->getLeaveApplicationsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
+        $request = $this->getLeaveApplicationsRequest($xero_tenant_id$if_modified_since$where$order$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2778,7 +2778,7 @@ function ($exception) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 objects will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getLeaveApplicationsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    protected function getLeaveApplicationsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2884,9 +2884,9 @@ protected function getLeaveApplicationsRequest($xero_tenant_id, $if_modified_sin
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\PayItems|\XeroAPI\XeroPHP\Models\PayrollAu\APIException
      */
-    public function getPayItems($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getPayItems($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
-        list($response) = $this->getPayItemsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page);
+        list($response) = $this->getPayItemsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page);
         return $response;
     }
     /**
@@ -2901,9 +2901,9 @@ public function getPayItems($xero_tenant_id, $if_modified_since = null, $where =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\PayItems|\XeroAPI\XeroPHP\Models\PayrollAu\APIException, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayItemsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getPayItemsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
-        $request = $this->getPayItemsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
+        $request = $this->getPayItemsRequest($xero_tenant_id$if_modified_since$where$order$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2999,9 +2999,9 @@ public function getPayItemsWithHttpInfo($xero_tenant_id, $if_modified_since = nu
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayItemsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getPayItemsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
-        return $this->getPayItemsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page)
+        return $this->getPayItemsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3018,10 +3018,10 @@ function ($response) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 objects will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayItemsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getPayItemsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\PayItems';
-        $request = $this->getPayItemsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
+        $request = $this->getPayItemsRequest($xero_tenant_id$if_modified_since$where$order$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3064,7 +3064,7 @@ function ($exception) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 objects will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayItemsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    protected function getPayItemsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3167,9 +3167,9 @@ protected function getPayItemsRequest($xero_tenant_id, $if_modified_since = null
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\PayRuns
      */
-    public function getPayRun($xero_tenant_id, $pay_run_id)
+    public function getPayRun($xero_tenant_id$pay_run_id)
     {
-        list($response) = $this->getPayRunWithHttpInfo($xero_tenant_id, $pay_run_id);
+        list($response) = $this->getPayRunWithHttpInfo($xero_tenant_id$pay_run_id);
         return $response;
     }
     /**
@@ -3181,9 +3181,9 @@ public function getPayRun($xero_tenant_id, $pay_run_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\PayRuns, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayRunWithHttpInfo($xero_tenant_id, $pay_run_id)
+    public function getPayRunWithHttpInfo($xero_tenant_id$pay_run_id)
     {
-        $request = $this->getPayRunRequest($xero_tenant_id, $pay_run_id);
+        $request = $this->getPayRunRequest($xero_tenant_id$pay_run_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3257,9 +3257,9 @@ public function getPayRunWithHttpInfo($xero_tenant_id, $pay_run_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayRunAsync($xero_tenant_id, $pay_run_id)
+    public function getPayRunAsync($xero_tenant_id$pay_run_id)
     {
-        return $this->getPayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run_id)
+        return $this->getPayRunAsyncWithHttpInfo($xero_tenant_id$pay_run_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3273,10 +3273,10 @@ function ($response) {
      * @param  string $pay_run_id PayRun id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run_id)
+    public function getPayRunAsyncWithHttpInfo($xero_tenant_id$pay_run_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\PayRuns';
-        $request = $this->getPayRunRequest($xero_tenant_id, $pay_run_id);
+        $request = $this->getPayRunRequest($xero_tenant_id$pay_run_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3316,7 +3316,7 @@ function ($exception) {
      * @param  string $pay_run_id PayRun id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayRunRequest($xero_tenant_id, $pay_run_id)
+    protected function getPayRunRequest($xero_tenant_id$pay_run_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3420,9 +3420,9 @@ protected function getPayRunRequest($xero_tenant_id, $pay_run_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\PayRuns|\XeroAPI\XeroPHP\Models\PayrollAu\APIException
      */
-    public function getPayRuns($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getPayRuns($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
-        list($response) = $this->getPayRunsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page);
+        list($response) = $this->getPayRunsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page);
         return $response;
     }
     /**
@@ -3437,9 +3437,9 @@ public function getPayRuns($xero_tenant_id, $if_modified_since = null, $where =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\PayRuns|\XeroAPI\XeroPHP\Models\PayrollAu\APIException, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayRunsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getPayRunsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
-        $request = $this->getPayRunsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
+        $request = $this->getPayRunsRequest($xero_tenant_id$if_modified_since$where$order$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3535,9 +3535,9 @@ public function getPayRunsWithHttpInfo($xero_tenant_id, $if_modified_since = nul
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayRunsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getPayRunsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
-        return $this->getPayRunsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page)
+        return $this->getPayRunsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3554,10 +3554,10 @@ function ($response) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 PayRuns will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayRunsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getPayRunsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\PayRuns';
-        $request = $this->getPayRunsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
+        $request = $this->getPayRunsRequest($xero_tenant_id$if_modified_since$where$order$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3600,7 +3600,7 @@ function ($exception) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 PayRuns will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayRunsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    protected function getPayRunsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3703,9 +3703,9 @@ protected function getPayRunsRequest($xero_tenant_id, $if_modified_since = null,
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\PayrollCalendars|\XeroAPI\XeroPHP\Models\PayrollAu\APIException
      */
-    public function getPayrollCalendar($xero_tenant_id, $payroll_calendar_id)
+    public function getPayrollCalendar($xero_tenant_id$payroll_calendar_id)
     {
-        list($response) = $this->getPayrollCalendarWithHttpInfo($xero_tenant_id, $payroll_calendar_id);
+        list($response) = $this->getPayrollCalendarWithHttpInfo($xero_tenant_id$payroll_calendar_id);
         return $response;
     }
     /**
@@ -3717,9 +3717,9 @@ public function getPayrollCalendar($xero_tenant_id, $payroll_calendar_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\PayrollCalendars|\XeroAPI\XeroPHP\Models\PayrollAu\APIException, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayrollCalendarWithHttpInfo($xero_tenant_id, $payroll_calendar_id)
+    public function getPayrollCalendarWithHttpInfo($xero_tenant_id$payroll_calendar_id)
     {
-        $request = $this->getPayrollCalendarRequest($xero_tenant_id, $payroll_calendar_id);
+        $request = $this->getPayrollCalendarRequest($xero_tenant_id$payroll_calendar_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3812,9 +3812,9 @@ public function getPayrollCalendarWithHttpInfo($xero_tenant_id, $payroll_calenda
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayrollCalendarAsync($xero_tenant_id, $payroll_calendar_id)
+    public function getPayrollCalendarAsync($xero_tenant_id$payroll_calendar_id)
     {
-        return $this->getPayrollCalendarAsyncWithHttpInfo($xero_tenant_id, $payroll_calendar_id)
+        return $this->getPayrollCalendarAsyncWithHttpInfo($xero_tenant_id$payroll_calendar_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3828,10 +3828,10 @@ function ($response) {
      * @param  string $payroll_calendar_id Payroll Calendar id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayrollCalendarAsyncWithHttpInfo($xero_tenant_id, $payroll_calendar_id)
+    public function getPayrollCalendarAsyncWithHttpInfo($xero_tenant_id$payroll_calendar_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\PayrollCalendars';
-        $request = $this->getPayrollCalendarRequest($xero_tenant_id, $payroll_calendar_id);
+        $request = $this->getPayrollCalendarRequest($xero_tenant_id$payroll_calendar_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3871,7 +3871,7 @@ function ($exception) {
      * @param  string $payroll_calendar_id Payroll Calendar id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayrollCalendarRequest($xero_tenant_id, $payroll_calendar_id)
+    protected function getPayrollCalendarRequest($xero_tenant_id$payroll_calendar_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3975,9 +3975,9 @@ protected function getPayrollCalendarRequest($xero_tenant_id, $payroll_calendar_
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\PayrollCalendars|\XeroAPI\XeroPHP\Models\PayrollAu\APIException
      */
-    public function getPayrollCalendars($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getPayrollCalendars($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
-        list($response) = $this->getPayrollCalendarsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page);
+        list($response) = $this->getPayrollCalendarsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page);
         return $response;
     }
     /**
@@ -3992,9 +3992,9 @@ public function getPayrollCalendars($xero_tenant_id, $if_modified_since = null,
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\PayrollCalendars|\XeroAPI\XeroPHP\Models\PayrollAu\APIException, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayrollCalendarsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getPayrollCalendarsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
-        $request = $this->getPayrollCalendarsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
+        $request = $this->getPayrollCalendarsRequest($xero_tenant_id$if_modified_since$where$order$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4090,9 +4090,9 @@ public function getPayrollCalendarsWithHttpInfo($xero_tenant_id, $if_modified_si
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayrollCalendarsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getPayrollCalendarsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
-        return $this->getPayrollCalendarsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page)
+        return $this->getPayrollCalendarsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4109,10 +4109,10 @@ function ($response) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 objects will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayrollCalendarsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getPayrollCalendarsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\PayrollCalendars';
-        $request = $this->getPayrollCalendarsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
+        $request = $this->getPayrollCalendarsRequest($xero_tenant_id$if_modified_since$where$order$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4155,7 +4155,7 @@ function ($exception) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 objects will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayrollCalendarsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    protected function getPayrollCalendarsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4258,9 +4258,9 @@ protected function getPayrollCalendarsRequest($xero_tenant_id, $if_modified_sinc
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\PayslipObject
      */
-    public function getPayslip($xero_tenant_id, $payslip_id)
+    public function getPayslip($xero_tenant_id$payslip_id)
     {
-        list($response) = $this->getPayslipWithHttpInfo($xero_tenant_id, $payslip_id);
+        list($response) = $this->getPayslipWithHttpInfo($xero_tenant_id$payslip_id);
         return $response;
     }
     /**
@@ -4272,9 +4272,9 @@ public function getPayslip($xero_tenant_id, $payslip_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\PayslipObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayslipWithHttpInfo($xero_tenant_id, $payslip_id)
+    public function getPayslipWithHttpInfo($xero_tenant_id$payslip_id)
     {
-        $request = $this->getPayslipRequest($xero_tenant_id, $payslip_id);
+        $request = $this->getPayslipRequest($xero_tenant_id$payslip_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4348,9 +4348,9 @@ public function getPayslipWithHttpInfo($xero_tenant_id, $payslip_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayslipAsync($xero_tenant_id, $payslip_id)
+    public function getPayslipAsync($xero_tenant_id$payslip_id)
     {
-        return $this->getPayslipAsyncWithHttpInfo($xero_tenant_id, $payslip_id)
+        return $this->getPayslipAsyncWithHttpInfo($xero_tenant_id$payslip_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4364,10 +4364,10 @@ function ($response) {
      * @param  string $payslip_id Payslip id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayslipAsyncWithHttpInfo($xero_tenant_id, $payslip_id)
+    public function getPayslipAsyncWithHttpInfo($xero_tenant_id$payslip_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\PayslipObject';
-        $request = $this->getPayslipRequest($xero_tenant_id, $payslip_id);
+        $request = $this->getPayslipRequest($xero_tenant_id$payslip_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4407,7 +4407,7 @@ function ($exception) {
      * @param  string $payslip_id Payslip id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayslipRequest($xero_tenant_id, $payslip_id)
+    protected function getPayslipRequest($xero_tenant_id$payslip_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4739,9 +4739,9 @@ protected function getSettingsRequest($xero_tenant_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\SuperFunds
      */
-    public function getSuperfund($xero_tenant_id, $super_fund_id)
+    public function getSuperfund($xero_tenant_id$super_fund_id)
     {
-        list($response) = $this->getSuperfundWithHttpInfo($xero_tenant_id, $super_fund_id);
+        list($response) = $this->getSuperfundWithHttpInfo($xero_tenant_id$super_fund_id);
         return $response;
     }
     /**
@@ -4753,9 +4753,9 @@ public function getSuperfund($xero_tenant_id, $super_fund_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\SuperFunds, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getSuperfundWithHttpInfo($xero_tenant_id, $super_fund_id)
+    public function getSuperfundWithHttpInfo($xero_tenant_id$super_fund_id)
     {
-        $request = $this->getSuperfundRequest($xero_tenant_id, $super_fund_id);
+        $request = $this->getSuperfundRequest($xero_tenant_id$super_fund_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4829,9 +4829,9 @@ public function getSuperfundWithHttpInfo($xero_tenant_id, $super_fund_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getSuperfundAsync($xero_tenant_id, $super_fund_id)
+    public function getSuperfundAsync($xero_tenant_id$super_fund_id)
     {
-        return $this->getSuperfundAsyncWithHttpInfo($xero_tenant_id, $super_fund_id)
+        return $this->getSuperfundAsyncWithHttpInfo($xero_tenant_id$super_fund_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4845,10 +4845,10 @@ function ($response) {
      * @param  string $super_fund_id Superfund id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getSuperfundAsyncWithHttpInfo($xero_tenant_id, $super_fund_id)
+    public function getSuperfundAsyncWithHttpInfo($xero_tenant_id$super_fund_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\SuperFunds';
-        $request = $this->getSuperfundRequest($xero_tenant_id, $super_fund_id);
+        $request = $this->getSuperfundRequest($xero_tenant_id$super_fund_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4888,7 +4888,7 @@ function ($exception) {
      * @param  string $super_fund_id Superfund id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getSuperfundRequest($xero_tenant_id, $super_fund_id)
+    protected function getSuperfundRequest($xero_tenant_id$super_fund_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4990,9 +4990,9 @@ protected function getSuperfundRequest($xero_tenant_id, $super_fund_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\SuperFundProducts|\XeroAPI\XeroPHP\Models\PayrollAu\APIException
      */
-    public function getSuperfundProducts($xero_tenant_id, $abn = null, $usi = null)
+    public function getSuperfundProducts($xero_tenant_id$abn = null$usi = null)
     {
-        list($response) = $this->getSuperfundProductsWithHttpInfo($xero_tenant_id, $abn, $usi);
+        list($response) = $this->getSuperfundProductsWithHttpInfo($xero_tenant_id$abn$usi);
         return $response;
     }
     /**
@@ -5005,9 +5005,9 @@ public function getSuperfundProducts($xero_tenant_id, $abn = null, $usi = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\SuperFundProducts|\XeroAPI\XeroPHP\Models\PayrollAu\APIException, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getSuperfundProductsWithHttpInfo($xero_tenant_id, $abn = null, $usi = null)
+    public function getSuperfundProductsWithHttpInfo($xero_tenant_id$abn = null$usi = null)
     {
-        $request = $this->getSuperfundProductsRequest($xero_tenant_id, $abn, $usi);
+        $request = $this->getSuperfundProductsRequest($xero_tenant_id$abn$usi);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5101,9 +5101,9 @@ public function getSuperfundProductsWithHttpInfo($xero_tenant_id, $abn = null, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getSuperfundProductsAsync($xero_tenant_id, $abn = null, $usi = null)
+    public function getSuperfundProductsAsync($xero_tenant_id$abn = null$usi = null)
     {
-        return $this->getSuperfundProductsAsyncWithHttpInfo($xero_tenant_id, $abn, $usi)
+        return $this->getSuperfundProductsAsyncWithHttpInfo($xero_tenant_id$abn$usi)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5118,10 +5118,10 @@ function ($response) {
      * @param  string $usi The USI of the Regulated SuperFund (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getSuperfundProductsAsyncWithHttpInfo($xero_tenant_id, $abn = null, $usi = null)
+    public function getSuperfundProductsAsyncWithHttpInfo($xero_tenant_id$abn = null$usi = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\SuperFundProducts';
-        $request = $this->getSuperfundProductsRequest($xero_tenant_id, $abn, $usi);
+        $request = $this->getSuperfundProductsRequest($xero_tenant_id$abn$usi);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5162,7 +5162,7 @@ function ($exception) {
      * @param  string $usi The USI of the Regulated SuperFund (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getSuperfundProductsRequest($xero_tenant_id, $abn = null, $usi = null)
+    protected function getSuperfundProductsRequest($xero_tenant_id$abn = null$usi = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5260,9 +5260,9 @@ protected function getSuperfundProductsRequest($xero_tenant_id, $abn = null, $us
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\SuperFunds|\XeroAPI\XeroPHP\Models\PayrollAu\APIException
      */
-    public function getSuperfunds($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getSuperfunds($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
-        list($response) = $this->getSuperfundsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page);
+        list($response) = $this->getSuperfundsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page);
         return $response;
     }
     /**
@@ -5277,9 +5277,9 @@ public function getSuperfunds($xero_tenant_id, $if_modified_since = null, $where
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\SuperFunds|\XeroAPI\XeroPHP\Models\PayrollAu\APIException, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getSuperfundsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getSuperfundsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
-        $request = $this->getSuperfundsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
+        $request = $this->getSuperfundsRequest($xero_tenant_id$if_modified_since$where$order$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5375,9 +5375,9 @@ public function getSuperfundsWithHttpInfo($xero_tenant_id, $if_modified_since =
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getSuperfundsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getSuperfundsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
-        return $this->getSuperfundsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page)
+        return $this->getSuperfundsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5394,10 +5394,10 @@ function ($response) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 SuperFunds will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getSuperfundsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getSuperfundsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\SuperFunds';
-        $request = $this->getSuperfundsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
+        $request = $this->getSuperfundsRequest($xero_tenant_id$if_modified_since$where$order$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5440,7 +5440,7 @@ function ($exception) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 SuperFunds will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getSuperfundsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    protected function getSuperfundsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5543,9 +5543,9 @@ protected function getSuperfundsRequest($xero_tenant_id, $if_modified_since = nu
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\TimesheetObject
      */
-    public function getTimesheet($xero_tenant_id, $timesheet_id)
+    public function getTimesheet($xero_tenant_id$timesheet_id)
     {
-        list($response) = $this->getTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id);
+        list($response) = $this->getTimesheetWithHttpInfo($xero_tenant_id$timesheet_id);
         return $response;
     }
     /**
@@ -5557,9 +5557,9 @@ public function getTimesheet($xero_tenant_id, $timesheet_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\TimesheetObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id)
+    public function getTimesheetWithHttpInfo($xero_tenant_id$timesheet_id)
     {
-        $request = $this->getTimesheetRequest($xero_tenant_id, $timesheet_id);
+        $request = $this->getTimesheetRequest($xero_tenant_id$timesheet_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5633,9 +5633,9 @@ public function getTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getTimesheetAsync($xero_tenant_id, $timesheet_id)
+    public function getTimesheetAsync($xero_tenant_id$timesheet_id)
     {
-        return $this->getTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
+        return $this->getTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5649,10 +5649,10 @@ function ($response) {
      * @param  string $timesheet_id Timesheet id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
+    public function getTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\TimesheetObject';
-        $request = $this->getTimesheetRequest($xero_tenant_id, $timesheet_id);
+        $request = $this->getTimesheetRequest($xero_tenant_id$timesheet_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5692,7 +5692,7 @@ function ($exception) {
      * @param  string $timesheet_id Timesheet id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getTimesheetRequest($xero_tenant_id, $timesheet_id)
+    protected function getTimesheetRequest($xero_tenant_id$timesheet_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5796,9 +5796,9 @@ protected function getTimesheetRequest($xero_tenant_id, $timesheet_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\Timesheets|\XeroAPI\XeroPHP\Models\PayrollAu\APIException
      */
-    public function getTimesheets($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getTimesheets($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
-        list($response) = $this->getTimesheetsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page);
+        list($response) = $this->getTimesheetsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page);
         return $response;
     }
     /**
@@ -5813,9 +5813,9 @@ public function getTimesheets($xero_tenant_id, $if_modified_since = null, $where
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\Timesheets|\XeroAPI\XeroPHP\Models\PayrollAu\APIException, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getTimesheetsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getTimesheetsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
-        $request = $this->getTimesheetsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
+        $request = $this->getTimesheetsRequest($xero_tenant_id$if_modified_since$where$order$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5911,9 +5911,9 @@ public function getTimesheetsWithHttpInfo($xero_tenant_id, $if_modified_since =
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getTimesheetsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getTimesheetsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
-        return $this->getTimesheetsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page)
+        return $this->getTimesheetsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5930,10 +5930,10 @@ function ($response) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 timesheets will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getTimesheetsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    public function getTimesheetsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\Timesheets';
-        $request = $this->getTimesheetsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
+        $request = $this->getTimesheetsRequest($xero_tenant_id$if_modified_since$where$order$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5976,7 +5976,7 @@ function ($exception) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 timesheets will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getTimesheetsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
+    protected function getTimesheetsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6080,9 +6080,9 @@ protected function getTimesheetsRequest($xero_tenant_id, $if_modified_since = nu
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\Employees
      */
-    public function updateEmployee($xero_tenant_id, $employee_id, $employee = null)
+    public function updateEmployee($xero_tenant_id$employee_id$employee = null)
     {
-        list($response) = $this->updateEmployeeWithHttpInfo($xero_tenant_id, $employee_id, $employee);
+        list($response) = $this->updateEmployeeWithHttpInfo($xero_tenant_id$employee_id$employee);
         return $response;
     }
     /**
@@ -6095,9 +6095,9 @@ public function updateEmployee($xero_tenant_id, $employee_id, $employee = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\Employees, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateEmployeeWithHttpInfo($xero_tenant_id, $employee_id, $employee = null)
+    public function updateEmployeeWithHttpInfo($xero_tenant_id$employee_id$employee = null)
     {
-        $request = $this->updateEmployeeRequest($xero_tenant_id, $employee_id, $employee);
+        $request = $this->updateEmployeeRequest($xero_tenant_id$employee_id$employee);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6172,9 +6172,9 @@ public function updateEmployeeWithHttpInfo($xero_tenant_id, $employee_id, $emplo
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateEmployeeAsync($xero_tenant_id, $employee_id, $employee = null)
+    public function updateEmployeeAsync($xero_tenant_id$employee_id$employee = null)
     {
-        return $this->updateEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee)
+        return $this->updateEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id$employee)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6189,10 +6189,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\Employee[] $employee (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee = null)
+    public function updateEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id$employee = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\Employees';
-        $request = $this->updateEmployeeRequest($xero_tenant_id, $employee_id, $employee);
+        $request = $this->updateEmployeeRequest($xero_tenant_id$employee_id$employee);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -6233,7 +6233,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\Employee[] $employee (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateEmployeeRequest($xero_tenant_id, $employee_id, $employee = null)
+    protected function updateEmployeeRequest($xero_tenant_id$employee_id$employee = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6338,9 +6338,9 @@ protected function updateEmployeeRequest($xero_tenant_id, $employee_id, $employe
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplications
      */
-    public function updateLeaveApplication($xero_tenant_id, $leave_application_id, $leave_application)
+    public function updateLeaveApplication($xero_tenant_id$leave_application_id$leave_application)
     {
-        list($response) = $this->updateLeaveApplicationWithHttpInfo($xero_tenant_id, $leave_application_id, $leave_application);
+        list($response) = $this->updateLeaveApplicationWithHttpInfo($xero_tenant_id$leave_application_id$leave_application);
         return $response;
     }
     /**
@@ -6353,9 +6353,9 @@ public function updateLeaveApplication($xero_tenant_id, $leave_application_id, $
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplications, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateLeaveApplicationWithHttpInfo($xero_tenant_id, $leave_application_id, $leave_application)
+    public function updateLeaveApplicationWithHttpInfo($xero_tenant_id$leave_application_id$leave_application)
     {
-        $request = $this->updateLeaveApplicationRequest($xero_tenant_id, $leave_application_id, $leave_application);
+        $request = $this->updateLeaveApplicationRequest($xero_tenant_id$leave_application_id$leave_application);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6430,9 +6430,9 @@ public function updateLeaveApplicationWithHttpInfo($xero_tenant_id, $leave_appli
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateLeaveApplicationAsync($xero_tenant_id, $leave_application_id, $leave_application)
+    public function updateLeaveApplicationAsync($xero_tenant_id$leave_application_id$leave_application)
     {
-        return $this->updateLeaveApplicationAsyncWithHttpInfo($xero_tenant_id, $leave_application_id, $leave_application)
+        return $this->updateLeaveApplicationAsyncWithHttpInfo($xero_tenant_id$leave_application_id$leave_application)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6447,10 +6447,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplication[] $leave_application (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateLeaveApplicationAsyncWithHttpInfo($xero_tenant_id, $leave_application_id, $leave_application)
+    public function updateLeaveApplicationAsyncWithHttpInfo($xero_tenant_id$leave_application_id$leave_application)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplications';
-        $request = $this->updateLeaveApplicationRequest($xero_tenant_id, $leave_application_id, $leave_application);
+        $request = $this->updateLeaveApplicationRequest($xero_tenant_id$leave_application_id$leave_application);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -6491,7 +6491,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplication[] $leave_application (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateLeaveApplicationRequest($xero_tenant_id, $leave_application_id, $leave_application)
+    protected function updateLeaveApplicationRequest($xero_tenant_id$leave_application_id$leave_application)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6602,9 +6602,9 @@ protected function updateLeaveApplicationRequest($xero_tenant_id, $leave_applica
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\PayRuns
      */
-    public function updatePayRun($xero_tenant_id, $pay_run_id, $pay_run = null)
+    public function updatePayRun($xero_tenant_id$pay_run_id$pay_run = null)
     {
-        list($response) = $this->updatePayRunWithHttpInfo($xero_tenant_id, $pay_run_id, $pay_run);
+        list($response) = $this->updatePayRunWithHttpInfo($xero_tenant_id$pay_run_id$pay_run);
         return $response;
     }
     /**
@@ -6617,9 +6617,9 @@ public function updatePayRun($xero_tenant_id, $pay_run_id, $pay_run = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\PayRuns, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updatePayRunWithHttpInfo($xero_tenant_id, $pay_run_id, $pay_run = null)
+    public function updatePayRunWithHttpInfo($xero_tenant_id$pay_run_id$pay_run = null)
     {
-        $request = $this->updatePayRunRequest($xero_tenant_id, $pay_run_id, $pay_run);
+        $request = $this->updatePayRunRequest($xero_tenant_id$pay_run_id$pay_run);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6694,9 +6694,9 @@ public function updatePayRunWithHttpInfo($xero_tenant_id, $pay_run_id, $pay_run
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updatePayRunAsync($xero_tenant_id, $pay_run_id, $pay_run = null)
+    public function updatePayRunAsync($xero_tenant_id$pay_run_id$pay_run = null)
     {
-        return $this->updatePayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run_id, $pay_run)
+        return $this->updatePayRunAsyncWithHttpInfo($xero_tenant_id$pay_run_id$pay_run)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6711,10 +6711,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\PayRun[] $pay_run (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updatePayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run_id, $pay_run = null)
+    public function updatePayRunAsyncWithHttpInfo($xero_tenant_id$pay_run_id$pay_run = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\PayRuns';
-        $request = $this->updatePayRunRequest($xero_tenant_id, $pay_run_id, $pay_run);
+        $request = $this->updatePayRunRequest($xero_tenant_id$pay_run_id$pay_run);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -6755,7 +6755,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\PayRun[] $pay_run (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updatePayRunRequest($xero_tenant_id, $pay_run_id, $pay_run = null)
+    protected function updatePayRunRequest($xero_tenant_id$pay_run_id$pay_run = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6860,9 +6860,9 @@ protected function updatePayRunRequest($xero_tenant_id, $pay_run_id, $pay_run =
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\Payslips
      */
-    public function updatePayslip($xero_tenant_id, $payslip_id, $payslip_lines = null)
+    public function updatePayslip($xero_tenant_id$payslip_id$payslip_lines = null)
     {
-        list($response) = $this->updatePayslipWithHttpInfo($xero_tenant_id, $payslip_id, $payslip_lines);
+        list($response) = $this->updatePayslipWithHttpInfo($xero_tenant_id$payslip_id$payslip_lines);
         return $response;
     }
     /**
@@ -6875,9 +6875,9 @@ public function updatePayslip($xero_tenant_id, $payslip_id, $payslip_lines = nul
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\Payslips, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updatePayslipWithHttpInfo($xero_tenant_id, $payslip_id, $payslip_lines = null)
+    public function updatePayslipWithHttpInfo($xero_tenant_id$payslip_id$payslip_lines = null)
     {
-        $request = $this->updatePayslipRequest($xero_tenant_id, $payslip_id, $payslip_lines);
+        $request = $this->updatePayslipRequest($xero_tenant_id$payslip_id$payslip_lines);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6952,9 +6952,9 @@ public function updatePayslipWithHttpInfo($xero_tenant_id, $payslip_id, $payslip
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updatePayslipAsync($xero_tenant_id, $payslip_id, $payslip_lines = null)
+    public function updatePayslipAsync($xero_tenant_id$payslip_id$payslip_lines = null)
     {
-        return $this->updatePayslipAsyncWithHttpInfo($xero_tenant_id, $payslip_id, $payslip_lines)
+        return $this->updatePayslipAsyncWithHttpInfo($xero_tenant_id$payslip_id$payslip_lines)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6969,10 +6969,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\PayslipLines[] $payslip_lines (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updatePayslipAsyncWithHttpInfo($xero_tenant_id, $payslip_id, $payslip_lines = null)
+    public function updatePayslipAsyncWithHttpInfo($xero_tenant_id$payslip_id$payslip_lines = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\Payslips';
-        $request = $this->updatePayslipRequest($xero_tenant_id, $payslip_id, $payslip_lines);
+        $request = $this->updatePayslipRequest($xero_tenant_id$payslip_id$payslip_lines);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7013,7 +7013,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\PayslipLines[] $payslip_lines (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updatePayslipRequest($xero_tenant_id, $payslip_id, $payslip_lines = null)
+    protected function updatePayslipRequest($xero_tenant_id$payslip_id$payslip_lines = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7118,9 +7118,9 @@ protected function updatePayslipRequest($xero_tenant_id, $payslip_id, $payslip_l
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\SuperFunds
      */
-    public function updateSuperfund($xero_tenant_id, $super_fund_id, $super_fund = null)
+    public function updateSuperfund($xero_tenant_id$super_fund_id$super_fund = null)
     {
-        list($response) = $this->updateSuperfundWithHttpInfo($xero_tenant_id, $super_fund_id, $super_fund);
+        list($response) = $this->updateSuperfundWithHttpInfo($xero_tenant_id$super_fund_id$super_fund);
         return $response;
     }
     /**
@@ -7133,9 +7133,9 @@ public function updateSuperfund($xero_tenant_id, $super_fund_id, $super_fund = n
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\SuperFunds, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateSuperfundWithHttpInfo($xero_tenant_id, $super_fund_id, $super_fund = null)
+    public function updateSuperfundWithHttpInfo($xero_tenant_id$super_fund_id$super_fund = null)
     {
-        $request = $this->updateSuperfundRequest($xero_tenant_id, $super_fund_id, $super_fund);
+        $request = $this->updateSuperfundRequest($xero_tenant_id$super_fund_id$super_fund);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -7210,9 +7210,9 @@ public function updateSuperfundWithHttpInfo($xero_tenant_id, $super_fund_id, $su
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateSuperfundAsync($xero_tenant_id, $super_fund_id, $super_fund = null)
+    public function updateSuperfundAsync($xero_tenant_id$super_fund_id$super_fund = null)
     {
-        return $this->updateSuperfundAsyncWithHttpInfo($xero_tenant_id, $super_fund_id, $super_fund)
+        return $this->updateSuperfundAsyncWithHttpInfo($xero_tenant_id$super_fund_id$super_fund)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -7227,10 +7227,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\SuperFund[] $super_fund (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateSuperfundAsyncWithHttpInfo($xero_tenant_id, $super_fund_id, $super_fund = null)
+    public function updateSuperfundAsyncWithHttpInfo($xero_tenant_id$super_fund_id$super_fund = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\SuperFunds';
-        $request = $this->updateSuperfundRequest($xero_tenant_id, $super_fund_id, $super_fund);
+        $request = $this->updateSuperfundRequest($xero_tenant_id$super_fund_id$super_fund);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7271,7 +7271,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\SuperFund[] $super_fund (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateSuperfundRequest($xero_tenant_id, $super_fund_id, $super_fund = null)
+    protected function updateSuperfundRequest($xero_tenant_id$super_fund_id$super_fund = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7376,9 +7376,9 @@ protected function updateSuperfundRequest($xero_tenant_id, $super_fund_id, $supe
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\Timesheets
      */
-    public function updateTimesheet($xero_tenant_id, $timesheet_id, $timesheet = null)
+    public function updateTimesheet($xero_tenant_id$timesheet_id$timesheet = null)
     {
-        list($response) = $this->updateTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet);
+        list($response) = $this->updateTimesheetWithHttpInfo($xero_tenant_id$timesheet_id$timesheet);
         return $response;
     }
     /**
@@ -7391,9 +7391,9 @@ public function updateTimesheet($xero_tenant_id, $timesheet_id, $timesheet = nul
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\Timesheets, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet = null)
+    public function updateTimesheetWithHttpInfo($xero_tenant_id$timesheet_id$timesheet = null)
     {
-        $request = $this->updateTimesheetRequest($xero_tenant_id, $timesheet_id, $timesheet);
+        $request = $this->updateTimesheetRequest($xero_tenant_id$timesheet_id$timesheet);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -7468,9 +7468,9 @@ public function updateTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id, $tim
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateTimesheetAsync($xero_tenant_id, $timesheet_id, $timesheet = null)
+    public function updateTimesheetAsync($xero_tenant_id$timesheet_id$timesheet = null)
     {
-        return $this->updateTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet)
+        return $this->updateTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -7485,10 +7485,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\Timesheet[] $timesheet (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet = null)
+    public function updateTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\Timesheets';
-        $request = $this->updateTimesheetRequest($xero_tenant_id, $timesheet_id, $timesheet);
+        $request = $this->updateTimesheetRequest($xero_tenant_id$timesheet_id$timesheet);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7529,7 +7529,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\Timesheet[] $timesheet (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateTimesheetRequest($xero_tenant_id, $timesheet_id, $timesheet = null)
+    protected function updateTimesheetRequest($xero_tenant_id$timesheet_id$timesheet = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
diff --git a/lib/Api/PayrollNzApi.php b/lib/Api/PayrollNzApi.php
index 5dc36fb0..96f439e8 100644
--- a/lib/Api/PayrollNzApi.php
+++ b/lib/Api/PayrollNzApi.php
@@ -14,10 +14,10 @@
  *
  * This is the Xero Payroll API for orgs in the NZ region.
  *
- * OpenAPI spec version: 2.19.3
+ * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
@@ -94,9 +94,9 @@ public function getConfig()
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function approveTimesheet($xero_tenant_id, $timesheet_id)
+    public function approveTimesheet($xero_tenant_id$timesheet_id)
     {
-        list($response) = $this->approveTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id);
+        list($response) = $this->approveTimesheetWithHttpInfo($xero_tenant_id$timesheet_id);
         return $response;
     }
     /**
@@ -108,9 +108,9 @@ public function approveTimesheet($xero_tenant_id, $timesheet_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function approveTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id)
+    public function approveTimesheetWithHttpInfo($xero_tenant_id$timesheet_id)
     {
-        $request = $this->approveTimesheetRequest($xero_tenant_id, $timesheet_id);
+        $request = $this->approveTimesheetRequest($xero_tenant_id$timesheet_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -203,9 +203,9 @@ public function approveTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function approveTimesheetAsync($xero_tenant_id, $timesheet_id)
+    public function approveTimesheetAsync($xero_tenant_id$timesheet_id)
     {
-        return $this->approveTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
+        return $this->approveTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -219,10 +219,10 @@ function ($response) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function approveTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
+    public function approveTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetObject';
-        $request = $this->approveTimesheetRequest($xero_tenant_id, $timesheet_id);
+        $request = $this->approveTimesheetRequest($xero_tenant_id$timesheet_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -262,7 +262,7 @@ function ($exception) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function approveTimesheetRequest($xero_tenant_id, $timesheet_id)
+    protected function approveTimesheetRequest($xero_tenant_id$timesheet_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -363,9 +363,9 @@ protected function approveTimesheetRequest($xero_tenant_id, $timesheet_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\DeductionObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createDeduction($xero_tenant_id, $deduction)
+    public function createDeduction($xero_tenant_id$deduction)
     {
-        list($response) = $this->createDeductionWithHttpInfo($xero_tenant_id, $deduction);
+        list($response) = $this->createDeductionWithHttpInfo($xero_tenant_id$deduction);
         return $response;
     }
     /**
@@ -377,9 +377,9 @@ public function createDeduction($xero_tenant_id, $deduction)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\DeductionObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createDeductionWithHttpInfo($xero_tenant_id, $deduction)
+    public function createDeductionWithHttpInfo($xero_tenant_id$deduction)
     {
-        $request = $this->createDeductionRequest($xero_tenant_id, $deduction);
+        $request = $this->createDeductionRequest($xero_tenant_id$deduction);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -472,9 +472,9 @@ public function createDeductionWithHttpInfo($xero_tenant_id, $deduction)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createDeductionAsync($xero_tenant_id, $deduction)
+    public function createDeductionAsync($xero_tenant_id$deduction)
     {
-        return $this->createDeductionAsyncWithHttpInfo($xero_tenant_id, $deduction)
+        return $this->createDeductionAsyncWithHttpInfo($xero_tenant_id$deduction)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -488,10 +488,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Deduction $deduction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createDeductionAsyncWithHttpInfo($xero_tenant_id, $deduction)
+    public function createDeductionAsyncWithHttpInfo($xero_tenant_id$deduction)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\DeductionObject';
-        $request = $this->createDeductionRequest($xero_tenant_id, $deduction);
+        $request = $this->createDeductionRequest($xero_tenant_id$deduction);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -531,7 +531,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Deduction $deduction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createDeductionRequest($xero_tenant_id, $deduction)
+    protected function createDeductionRequest($xero_tenant_id$deduction)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -627,9 +627,9 @@ protected function createDeductionRequest($xero_tenant_id, $deduction)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EarningsRateObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createEarningsRate($xero_tenant_id, $earnings_rate)
+    public function createEarningsRate($xero_tenant_id$earnings_rate)
     {
-        list($response) = $this->createEarningsRateWithHttpInfo($xero_tenant_id, $earnings_rate);
+        list($response) = $this->createEarningsRateWithHttpInfo($xero_tenant_id$earnings_rate);
         return $response;
     }
     /**
@@ -641,9 +641,9 @@ public function createEarningsRate($xero_tenant_id, $earnings_rate)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EarningsRateObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEarningsRateWithHttpInfo($xero_tenant_id, $earnings_rate)
+    public function createEarningsRateWithHttpInfo($xero_tenant_id$earnings_rate)
     {
-        $request = $this->createEarningsRateRequest($xero_tenant_id, $earnings_rate);
+        $request = $this->createEarningsRateRequest($xero_tenant_id$earnings_rate);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -736,9 +736,9 @@ public function createEarningsRateWithHttpInfo($xero_tenant_id, $earnings_rate)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEarningsRateAsync($xero_tenant_id, $earnings_rate)
+    public function createEarningsRateAsync($xero_tenant_id$earnings_rate)
     {
-        return $this->createEarningsRateAsyncWithHttpInfo($xero_tenant_id, $earnings_rate)
+        return $this->createEarningsRateAsyncWithHttpInfo($xero_tenant_id$earnings_rate)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -752,10 +752,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EarningsRate $earnings_rate (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEarningsRateAsyncWithHttpInfo($xero_tenant_id, $earnings_rate)
+    public function createEarningsRateAsyncWithHttpInfo($xero_tenant_id$earnings_rate)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsRateObject';
-        $request = $this->createEarningsRateRequest($xero_tenant_id, $earnings_rate);
+        $request = $this->createEarningsRateRequest($xero_tenant_id$earnings_rate);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -795,7 +795,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EarningsRate $earnings_rate (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEarningsRateRequest($xero_tenant_id, $earnings_rate)
+    protected function createEarningsRateRequest($xero_tenant_id$earnings_rate)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -891,9 +891,9 @@ protected function createEarningsRateRequest($xero_tenant_id, $earnings_rate)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createEmployee($xero_tenant_id, $employee)
+    public function createEmployee($xero_tenant_id$employee)
     {
-        list($response) = $this->createEmployeeWithHttpInfo($xero_tenant_id, $employee);
+        list($response) = $this->createEmployeeWithHttpInfo($xero_tenant_id$employee);
         return $response;
     }
     /**
@@ -905,9 +905,9 @@ public function createEmployee($xero_tenant_id, $employee)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeWithHttpInfo($xero_tenant_id, $employee)
+    public function createEmployeeWithHttpInfo($xero_tenant_id$employee)
     {
-        $request = $this->createEmployeeRequest($xero_tenant_id, $employee);
+        $request = $this->createEmployeeRequest($xero_tenant_id$employee);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1000,9 +1000,9 @@ public function createEmployeeWithHttpInfo($xero_tenant_id, $employee)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeAsync($xero_tenant_id, $employee)
+    public function createEmployeeAsync($xero_tenant_id$employee)
     {
-        return $this->createEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee)
+        return $this->createEmployeeAsyncWithHttpInfo($xero_tenant_id$employee)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1016,10 +1016,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Employee $employee (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee)
+    public function createEmployeeAsyncWithHttpInfo($xero_tenant_id$employee)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeObject';
-        $request = $this->createEmployeeRequest($xero_tenant_id, $employee);
+        $request = $this->createEmployeeRequest($xero_tenant_id$employee);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1059,7 +1059,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Employee $employee (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeRequest($xero_tenant_id, $employee)
+    protected function createEmployeeRequest($xero_tenant_id$employee)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1156,9 +1156,9 @@ protected function createEmployeeRequest($xero_tenant_id, $employee)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplateObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createEmployeeEarningsTemplate($xero_tenant_id, $employee_id, $earnings_template)
+    public function createEmployeeEarningsTemplate($xero_tenant_id$employee_id$earnings_template)
     {
-        list($response) = $this->createEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template);
+        list($response) = $this->createEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$earnings_template);
         return $response;
     }
     /**
@@ -1171,9 +1171,9 @@ public function createEmployeeEarningsTemplate($xero_tenant_id, $employee_id, $e
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplateObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template)
+    public function createEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$earnings_template)
     {
-        $request = $this->createEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $earnings_template);
+        $request = $this->createEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$earnings_template);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1267,9 +1267,9 @@ public function createEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $emp
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeEarningsTemplateAsync($xero_tenant_id, $employee_id, $earnings_template)
+    public function createEmployeeEarningsTemplateAsync($xero_tenant_id$employee_id$earnings_template)
     {
-        return $this->createEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template)
+        return $this->createEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$earnings_template)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1284,10 +1284,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplate $earnings_template (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template)
+    public function createEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$earnings_template)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplateObject';
-        $request = $this->createEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $earnings_template);
+        $request = $this->createEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$earnings_template);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1328,7 +1328,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplate $earnings_template (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $earnings_template)
+    protected function createEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$earnings_template)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1439,9 +1439,9 @@ protected function createEmployeeEarningsTemplateRequest($xero_tenant_id, $emplo
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createEmployeeLeave($xero_tenant_id, $employee_id, $employee_leave)
+    public function createEmployeeLeave($xero_tenant_id$employee_id$employee_leave)
     {
-        list($response) = $this->createEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave);
+        list($response) = $this->createEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$employee_leave);
         return $response;
     }
     /**
@@ -1454,9 +1454,9 @@ public function createEmployeeLeave($xero_tenant_id, $employee_id, $employee_lea
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave)
+    public function createEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$employee_leave)
     {
-        $request = $this->createEmployeeLeaveRequest($xero_tenant_id, $employee_id, $employee_leave);
+        $request = $this->createEmployeeLeaveRequest($xero_tenant_id$employee_id$employee_leave);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1550,9 +1550,9 @@ public function createEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeLeaveAsync($xero_tenant_id, $employee_id, $employee_leave)
+    public function createEmployeeLeaveAsync($xero_tenant_id$employee_id$employee_leave)
     {
-        return $this->createEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave)
+        return $this->createEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_leave)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1567,10 +1567,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeave $employee_leave (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave)
+    public function createEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_leave)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveObject';
-        $request = $this->createEmployeeLeaveRequest($xero_tenant_id, $employee_id, $employee_leave);
+        $request = $this->createEmployeeLeaveRequest($xero_tenant_id$employee_id$employee_leave);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1611,7 +1611,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeave $employee_leave (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeLeaveRequest($xero_tenant_id, $employee_id, $employee_leave)
+    protected function createEmployeeLeaveRequest($xero_tenant_id$employee_id$employee_leave)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1722,9 +1722,9 @@ protected function createEmployeeLeaveRequest($xero_tenant_id, $employee_id, $em
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveSetupObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createEmployeeLeaveSetup($xero_tenant_id, $employee_id, $employee_leave_setup)
+    public function createEmployeeLeaveSetup($xero_tenant_id$employee_id$employee_leave_setup)
     {
-        list($response) = $this->createEmployeeLeaveSetupWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave_setup);
+        list($response) = $this->createEmployeeLeaveSetupWithHttpInfo($xero_tenant_id$employee_id$employee_leave_setup);
         return $response;
     }
     /**
@@ -1737,9 +1737,9 @@ public function createEmployeeLeaveSetup($xero_tenant_id, $employee_id, $employe
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveSetupObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeLeaveSetupWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave_setup)
+    public function createEmployeeLeaveSetupWithHttpInfo($xero_tenant_id$employee_id$employee_leave_setup)
     {
-        $request = $this->createEmployeeLeaveSetupRequest($xero_tenant_id, $employee_id, $employee_leave_setup);
+        $request = $this->createEmployeeLeaveSetupRequest($xero_tenant_id$employee_id$employee_leave_setup);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1833,9 +1833,9 @@ public function createEmployeeLeaveSetupWithHttpInfo($xero_tenant_id, $employee_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeLeaveSetupAsync($xero_tenant_id, $employee_id, $employee_leave_setup)
+    public function createEmployeeLeaveSetupAsync($xero_tenant_id$employee_id$employee_leave_setup)
     {
-        return $this->createEmployeeLeaveSetupAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave_setup)
+        return $this->createEmployeeLeaveSetupAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_leave_setup)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1850,10 +1850,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveSetup $employee_leave_setup (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeLeaveSetupAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave_setup)
+    public function createEmployeeLeaveSetupAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_leave_setup)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveSetupObject';
-        $request = $this->createEmployeeLeaveSetupRequest($xero_tenant_id, $employee_id, $employee_leave_setup);
+        $request = $this->createEmployeeLeaveSetupRequest($xero_tenant_id$employee_id$employee_leave_setup);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1894,7 +1894,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveSetup $employee_leave_setup (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeLeaveSetupRequest($xero_tenant_id, $employee_id, $employee_leave_setup)
+    protected function createEmployeeLeaveSetupRequest($xero_tenant_id$employee_id$employee_leave_setup)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2005,9 +2005,9 @@ protected function createEmployeeLeaveSetupRequest($xero_tenant_id, $employee_id
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveTypeObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createEmployeeLeaveType($xero_tenant_id, $employee_id, $employee_leave_type)
+    public function createEmployeeLeaveType($xero_tenant_id$employee_id$employee_leave_type)
     {
-        list($response) = $this->createEmployeeLeaveTypeWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave_type);
+        list($response) = $this->createEmployeeLeaveTypeWithHttpInfo($xero_tenant_id$employee_id$employee_leave_type);
         return $response;
     }
     /**
@@ -2020,9 +2020,9 @@ public function createEmployeeLeaveType($xero_tenant_id, $employee_id, $employee
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveTypeObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeLeaveTypeWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave_type)
+    public function createEmployeeLeaveTypeWithHttpInfo($xero_tenant_id$employee_id$employee_leave_type)
     {
-        $request = $this->createEmployeeLeaveTypeRequest($xero_tenant_id, $employee_id, $employee_leave_type);
+        $request = $this->createEmployeeLeaveTypeRequest($xero_tenant_id$employee_id$employee_leave_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2116,9 +2116,9 @@ public function createEmployeeLeaveTypeWithHttpInfo($xero_tenant_id, $employee_i
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeLeaveTypeAsync($xero_tenant_id, $employee_id, $employee_leave_type)
+    public function createEmployeeLeaveTypeAsync($xero_tenant_id$employee_id$employee_leave_type)
     {
-        return $this->createEmployeeLeaveTypeAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave_type)
+        return $this->createEmployeeLeaveTypeAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_leave_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2133,10 +2133,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveType $employee_leave_type (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeLeaveTypeAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave_type)
+    public function createEmployeeLeaveTypeAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_leave_type)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveTypeObject';
-        $request = $this->createEmployeeLeaveTypeRequest($xero_tenant_id, $employee_id, $employee_leave_type);
+        $request = $this->createEmployeeLeaveTypeRequest($xero_tenant_id$employee_id$employee_leave_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2177,7 +2177,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveType $employee_leave_type (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeLeaveTypeRequest($xero_tenant_id, $employee_id, $employee_leave_type)
+    protected function createEmployeeLeaveTypeRequest($xero_tenant_id$employee_id$employee_leave_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2288,9 +2288,9 @@ protected function createEmployeeLeaveTypeRequest($xero_tenant_id, $employee_id,
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeOpeningBalancesObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createEmployeeOpeningBalances($xero_tenant_id, $employee_id, $employee_opening_balance)
+    public function createEmployeeOpeningBalances($xero_tenant_id$employee_id$employee_opening_balance)
     {
-        list($response) = $this->createEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id, $employee_id, $employee_opening_balance);
+        list($response) = $this->createEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id$employee_id$employee_opening_balance);
         return $response;
     }
     /**
@@ -2303,9 +2303,9 @@ public function createEmployeeOpeningBalances($xero_tenant_id, $employee_id, $em
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeOpeningBalancesObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id, $employee_id, $employee_opening_balance)
+    public function createEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id$employee_id$employee_opening_balance)
     {
-        $request = $this->createEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id, $employee_opening_balance);
+        $request = $this->createEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id$employee_opening_balance);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2399,9 +2399,9 @@ public function createEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id, $empl
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeOpeningBalancesAsync($xero_tenant_id, $employee_id, $employee_opening_balance)
+    public function createEmployeeOpeningBalancesAsync($xero_tenant_id$employee_id$employee_opening_balance)
     {
-        return $this->createEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_opening_balance)
+        return $this->createEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_opening_balance)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2416,10 +2416,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeOpeningBalance[] $employee_opening_balance (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_opening_balance)
+    public function createEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_opening_balance)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeOpeningBalancesObject';
-        $request = $this->createEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id, $employee_opening_balance);
+        $request = $this->createEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id$employee_opening_balance);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2460,7 +2460,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeOpeningBalance[] $employee_opening_balance (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id, $employee_opening_balance)
+    protected function createEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id$employee_opening_balance)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2571,9 +2571,9 @@ protected function createEmployeeOpeningBalancesRequest($xero_tenant_id, $employ
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\PaymentMethodObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createEmployeePaymentMethod($xero_tenant_id, $employee_id, $payment_method)
+    public function createEmployeePaymentMethod($xero_tenant_id$employee_id$payment_method)
     {
-        list($response) = $this->createEmployeePaymentMethodWithHttpInfo($xero_tenant_id, $employee_id, $payment_method);
+        list($response) = $this->createEmployeePaymentMethodWithHttpInfo($xero_tenant_id$employee_id$payment_method);
         return $response;
     }
     /**
@@ -2586,9 +2586,9 @@ public function createEmployeePaymentMethod($xero_tenant_id, $employee_id, $paym
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\PaymentMethodObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeePaymentMethodWithHttpInfo($xero_tenant_id, $employee_id, $payment_method)
+    public function createEmployeePaymentMethodWithHttpInfo($xero_tenant_id$employee_id$payment_method)
     {
-        $request = $this->createEmployeePaymentMethodRequest($xero_tenant_id, $employee_id, $payment_method);
+        $request = $this->createEmployeePaymentMethodRequest($xero_tenant_id$employee_id$payment_method);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2682,9 +2682,9 @@ public function createEmployeePaymentMethodWithHttpInfo($xero_tenant_id, $employ
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeePaymentMethodAsync($xero_tenant_id, $employee_id, $payment_method)
+    public function createEmployeePaymentMethodAsync($xero_tenant_id$employee_id$payment_method)
     {
-        return $this->createEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id, $employee_id, $payment_method)
+        return $this->createEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id$employee_id$payment_method)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2699,10 +2699,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\PaymentMethod $payment_method (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id, $employee_id, $payment_method)
+    public function createEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id$employee_id$payment_method)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\PaymentMethodObject';
-        $request = $this->createEmployeePaymentMethodRequest($xero_tenant_id, $employee_id, $payment_method);
+        $request = $this->createEmployeePaymentMethodRequest($xero_tenant_id$employee_id$payment_method);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2743,7 +2743,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\PaymentMethod $payment_method (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeePaymentMethodRequest($xero_tenant_id, $employee_id, $payment_method)
+    protected function createEmployeePaymentMethodRequest($xero_tenant_id$employee_id$payment_method)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2854,9 +2854,9 @@ protected function createEmployeePaymentMethodRequest($xero_tenant_id, $employee
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWageObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createEmployeeSalaryAndWage($xero_tenant_id, $employee_id, $salary_and_wage)
+    public function createEmployeeSalaryAndWage($xero_tenant_id$employee_id$salary_and_wage)
     {
-        list($response) = $this->createEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wage);
+        list($response) = $this->createEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wage);
         return $response;
     }
     /**
@@ -2869,9 +2869,9 @@ public function createEmployeeSalaryAndWage($xero_tenant_id, $employee_id, $sala
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWageObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wage)
+    public function createEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wage)
     {
-        $request = $this->createEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wage);
+        $request = $this->createEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wage);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2965,9 +2965,9 @@ public function createEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employ
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeSalaryAndWageAsync($xero_tenant_id, $employee_id, $salary_and_wage)
+    public function createEmployeeSalaryAndWageAsync($xero_tenant_id$employee_id$salary_and_wage)
     {
-        return $this->createEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wage)
+        return $this->createEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wage)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2982,10 +2982,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWage $salary_and_wage (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wage)
+    public function createEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wage)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWageObject';
-        $request = $this->createEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wage);
+        $request = $this->createEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wage);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3026,7 +3026,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWage $salary_and_wage (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wage)
+    protected function createEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wage)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3137,9 +3137,9 @@ protected function createEmployeeSalaryAndWageRequest($xero_tenant_id, $employee
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmploymentObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createEmployment($xero_tenant_id, $employee_id, $employment)
+    public function createEmployment($xero_tenant_id$employee_id$employment)
     {
-        list($response) = $this->createEmploymentWithHttpInfo($xero_tenant_id, $employee_id, $employment);
+        list($response) = $this->createEmploymentWithHttpInfo($xero_tenant_id$employee_id$employment);
         return $response;
     }
     /**
@@ -3152,9 +3152,9 @@ public function createEmployment($xero_tenant_id, $employee_id, $employment)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmploymentObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmploymentWithHttpInfo($xero_tenant_id, $employee_id, $employment)
+    public function createEmploymentWithHttpInfo($xero_tenant_id$employee_id$employment)
     {
-        $request = $this->createEmploymentRequest($xero_tenant_id, $employee_id, $employment);
+        $request = $this->createEmploymentRequest($xero_tenant_id$employee_id$employment);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3248,9 +3248,9 @@ public function createEmploymentWithHttpInfo($xero_tenant_id, $employee_id, $emp
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmploymentAsync($xero_tenant_id, $employee_id, $employment)
+    public function createEmploymentAsync($xero_tenant_id$employee_id$employment)
     {
-        return $this->createEmploymentAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employment)
+        return $this->createEmploymentAsyncWithHttpInfo($xero_tenant_id$employee_id$employment)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3265,10 +3265,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Employment $employment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmploymentAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employment)
+    public function createEmploymentAsyncWithHttpInfo($xero_tenant_id$employee_id$employment)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmploymentObject';
-        $request = $this->createEmploymentRequest($xero_tenant_id, $employee_id, $employment);
+        $request = $this->createEmploymentRequest($xero_tenant_id$employee_id$employment);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3309,7 +3309,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Employment $employment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmploymentRequest($xero_tenant_id, $employee_id, $employment)
+    protected function createEmploymentRequest($xero_tenant_id$employee_id$employment)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3419,9 +3419,9 @@ protected function createEmploymentRequest($xero_tenant_id, $employee_id, $emplo
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\LeaveTypeObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createLeaveType($xero_tenant_id, $leave_type)
+    public function createLeaveType($xero_tenant_id$leave_type)
     {
-        list($response) = $this->createLeaveTypeWithHttpInfo($xero_tenant_id, $leave_type);
+        list($response) = $this->createLeaveTypeWithHttpInfo($xero_tenant_id$leave_type);
         return $response;
     }
     /**
@@ -3433,9 +3433,9 @@ public function createLeaveType($xero_tenant_id, $leave_type)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\LeaveTypeObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createLeaveTypeWithHttpInfo($xero_tenant_id, $leave_type)
+    public function createLeaveTypeWithHttpInfo($xero_tenant_id$leave_type)
     {
-        $request = $this->createLeaveTypeRequest($xero_tenant_id, $leave_type);
+        $request = $this->createLeaveTypeRequest($xero_tenant_id$leave_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3528,9 +3528,9 @@ public function createLeaveTypeWithHttpInfo($xero_tenant_id, $leave_type)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createLeaveTypeAsync($xero_tenant_id, $leave_type)
+    public function createLeaveTypeAsync($xero_tenant_id$leave_type)
     {
-        return $this->createLeaveTypeAsyncWithHttpInfo($xero_tenant_id, $leave_type)
+        return $this->createLeaveTypeAsyncWithHttpInfo($xero_tenant_id$leave_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3544,10 +3544,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\LeaveType $leave_type (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createLeaveTypeAsyncWithHttpInfo($xero_tenant_id, $leave_type)
+    public function createLeaveTypeAsyncWithHttpInfo($xero_tenant_id$leave_type)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\LeaveTypeObject';
-        $request = $this->createLeaveTypeRequest($xero_tenant_id, $leave_type);
+        $request = $this->createLeaveTypeRequest($xero_tenant_id$leave_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3587,7 +3587,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\LeaveType $leave_type (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createLeaveTypeRequest($xero_tenant_id, $leave_type)
+    protected function createLeaveTypeRequest($xero_tenant_id$leave_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3684,9 +3684,9 @@ protected function createLeaveTypeRequest($xero_tenant_id, $leave_type)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeEarningsTemplates|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createMultipleEmployeeEarningsTemplate($xero_tenant_id, $employee_id, $earnings_template)
+    public function createMultipleEmployeeEarningsTemplate($xero_tenant_id$employee_id$earnings_template)
     {
-        list($response) = $this->createMultipleEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template);
+        list($response) = $this->createMultipleEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$earnings_template);
         return $response;
     }
     /**
@@ -3699,9 +3699,9 @@ public function createMultipleEmployeeEarningsTemplate($xero_tenant_id, $employe
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeEarningsTemplates|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createMultipleEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template)
+    public function createMultipleEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$earnings_template)
     {
-        $request = $this->createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $earnings_template);
+        $request = $this->createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$earnings_template);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3795,9 +3795,9 @@ public function createMultipleEmployeeEarningsTemplateWithHttpInfo($xero_tenant_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createMultipleEmployeeEarningsTemplateAsync($xero_tenant_id, $employee_id, $earnings_template)
+    public function createMultipleEmployeeEarningsTemplateAsync($xero_tenant_id$employee_id$earnings_template)
     {
-        return $this->createMultipleEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template)
+        return $this->createMultipleEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$earnings_template)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3812,10 +3812,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplate[] $earnings_template (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createMultipleEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template)
+    public function createMultipleEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$earnings_template)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeEarningsTemplates';
-        $request = $this->createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $earnings_template);
+        $request = $this->createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$earnings_template);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3856,7 +3856,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplate[] $earnings_template (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $earnings_template)
+    protected function createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$earnings_template)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3966,9 +3966,9 @@ protected function createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\PayRunObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createPayRun($xero_tenant_id, $pay_run)
+    public function createPayRun($xero_tenant_id$pay_run)
     {
-        list($response) = $this->createPayRunWithHttpInfo($xero_tenant_id, $pay_run);
+        list($response) = $this->createPayRunWithHttpInfo($xero_tenant_id$pay_run);
         return $response;
     }
     /**
@@ -3980,9 +3980,9 @@ public function createPayRun($xero_tenant_id, $pay_run)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\PayRunObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPayRunWithHttpInfo($xero_tenant_id, $pay_run)
+    public function createPayRunWithHttpInfo($xero_tenant_id$pay_run)
     {
-        $request = $this->createPayRunRequest($xero_tenant_id, $pay_run);
+        $request = $this->createPayRunRequest($xero_tenant_id$pay_run);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4075,9 +4075,9 @@ public function createPayRunWithHttpInfo($xero_tenant_id, $pay_run)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPayRunAsync($xero_tenant_id, $pay_run)
+    public function createPayRunAsync($xero_tenant_id$pay_run)
     {
-        return $this->createPayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run)
+        return $this->createPayRunAsyncWithHttpInfo($xero_tenant_id$pay_run)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4091,10 +4091,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\PayRun $pay_run (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run)
+    public function createPayRunAsyncWithHttpInfo($xero_tenant_id$pay_run)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\PayRunObject';
-        $request = $this->createPayRunRequest($xero_tenant_id, $pay_run);
+        $request = $this->createPayRunRequest($xero_tenant_id$pay_run);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4134,7 +4134,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\PayRun $pay_run (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPayRunRequest($xero_tenant_id, $pay_run)
+    protected function createPayRunRequest($xero_tenant_id$pay_run)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4230,9 +4230,9 @@ protected function createPayRunRequest($xero_tenant_id, $pay_run)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendarObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createPayRunCalendar($xero_tenant_id, $pay_run_calendar)
+    public function createPayRunCalendar($xero_tenant_id$pay_run_calendar)
     {
-        list($response) = $this->createPayRunCalendarWithHttpInfo($xero_tenant_id, $pay_run_calendar);
+        list($response) = $this->createPayRunCalendarWithHttpInfo($xero_tenant_id$pay_run_calendar);
         return $response;
     }
     /**
@@ -4244,9 +4244,9 @@ public function createPayRunCalendar($xero_tenant_id, $pay_run_calendar)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendarObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPayRunCalendarWithHttpInfo($xero_tenant_id, $pay_run_calendar)
+    public function createPayRunCalendarWithHttpInfo($xero_tenant_id$pay_run_calendar)
     {
-        $request = $this->createPayRunCalendarRequest($xero_tenant_id, $pay_run_calendar);
+        $request = $this->createPayRunCalendarRequest($xero_tenant_id$pay_run_calendar);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4339,9 +4339,9 @@ public function createPayRunCalendarWithHttpInfo($xero_tenant_id, $pay_run_calen
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPayRunCalendarAsync($xero_tenant_id, $pay_run_calendar)
+    public function createPayRunCalendarAsync($xero_tenant_id$pay_run_calendar)
     {
-        return $this->createPayRunCalendarAsyncWithHttpInfo($xero_tenant_id, $pay_run_calendar)
+        return $this->createPayRunCalendarAsyncWithHttpInfo($xero_tenant_id$pay_run_calendar)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4355,10 +4355,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendar $pay_run_calendar (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPayRunCalendarAsyncWithHttpInfo($xero_tenant_id, $pay_run_calendar)
+    public function createPayRunCalendarAsyncWithHttpInfo($xero_tenant_id$pay_run_calendar)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendarObject';
-        $request = $this->createPayRunCalendarRequest($xero_tenant_id, $pay_run_calendar);
+        $request = $this->createPayRunCalendarRequest($xero_tenant_id$pay_run_calendar);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4398,7 +4398,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendar $pay_run_calendar (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPayRunCalendarRequest($xero_tenant_id, $pay_run_calendar)
+    protected function createPayRunCalendarRequest($xero_tenant_id$pay_run_calendar)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4494,9 +4494,9 @@ protected function createPayRunCalendarRequest($xero_tenant_id, $pay_run_calenda
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\ReimbursementObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createReimbursement($xero_tenant_id, $reimbursement)
+    public function createReimbursement($xero_tenant_id$reimbursement)
     {
-        list($response) = $this->createReimbursementWithHttpInfo($xero_tenant_id, $reimbursement);
+        list($response) = $this->createReimbursementWithHttpInfo($xero_tenant_id$reimbursement);
         return $response;
     }
     /**
@@ -4508,9 +4508,9 @@ public function createReimbursement($xero_tenant_id, $reimbursement)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\ReimbursementObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createReimbursementWithHttpInfo($xero_tenant_id, $reimbursement)
+    public function createReimbursementWithHttpInfo($xero_tenant_id$reimbursement)
     {
-        $request = $this->createReimbursementRequest($xero_tenant_id, $reimbursement);
+        $request = $this->createReimbursementRequest($xero_tenant_id$reimbursement);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4603,9 +4603,9 @@ public function createReimbursementWithHttpInfo($xero_tenant_id, $reimbursement)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createReimbursementAsync($xero_tenant_id, $reimbursement)
+    public function createReimbursementAsync($xero_tenant_id$reimbursement)
     {
-        return $this->createReimbursementAsyncWithHttpInfo($xero_tenant_id, $reimbursement)
+        return $this->createReimbursementAsyncWithHttpInfo($xero_tenant_id$reimbursement)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4619,10 +4619,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Reimbursement $reimbursement (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createReimbursementAsyncWithHttpInfo($xero_tenant_id, $reimbursement)
+    public function createReimbursementAsyncWithHttpInfo($xero_tenant_id$reimbursement)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\ReimbursementObject';
-        $request = $this->createReimbursementRequest($xero_tenant_id, $reimbursement);
+        $request = $this->createReimbursementRequest($xero_tenant_id$reimbursement);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4662,7 +4662,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Reimbursement $reimbursement (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createReimbursementRequest($xero_tenant_id, $reimbursement)
+    protected function createReimbursementRequest($xero_tenant_id$reimbursement)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4758,9 +4758,9 @@ protected function createReimbursementRequest($xero_tenant_id, $reimbursement)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\SuperannuationObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createSuperannuation($xero_tenant_id, $benefit)
+    public function createSuperannuation($xero_tenant_id$benefit)
     {
-        list($response) = $this->createSuperannuationWithHttpInfo($xero_tenant_id, $benefit);
+        list($response) = $this->createSuperannuationWithHttpInfo($xero_tenant_id$benefit);
         return $response;
     }
     /**
@@ -4772,9 +4772,9 @@ public function createSuperannuation($xero_tenant_id, $benefit)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\SuperannuationObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createSuperannuationWithHttpInfo($xero_tenant_id, $benefit)
+    public function createSuperannuationWithHttpInfo($xero_tenant_id$benefit)
     {
-        $request = $this->createSuperannuationRequest($xero_tenant_id, $benefit);
+        $request = $this->createSuperannuationRequest($xero_tenant_id$benefit);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4867,9 +4867,9 @@ public function createSuperannuationWithHttpInfo($xero_tenant_id, $benefit)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createSuperannuationAsync($xero_tenant_id, $benefit)
+    public function createSuperannuationAsync($xero_tenant_id$benefit)
     {
-        return $this->createSuperannuationAsyncWithHttpInfo($xero_tenant_id, $benefit)
+        return $this->createSuperannuationAsyncWithHttpInfo($xero_tenant_id$benefit)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4883,10 +4883,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Benefit $benefit (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createSuperannuationAsyncWithHttpInfo($xero_tenant_id, $benefit)
+    public function createSuperannuationAsyncWithHttpInfo($xero_tenant_id$benefit)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\SuperannuationObject';
-        $request = $this->createSuperannuationRequest($xero_tenant_id, $benefit);
+        $request = $this->createSuperannuationRequest($xero_tenant_id$benefit);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4926,7 +4926,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Benefit $benefit (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createSuperannuationRequest($xero_tenant_id, $benefit)
+    protected function createSuperannuationRequest($xero_tenant_id$benefit)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5022,9 +5022,9 @@ protected function createSuperannuationRequest($xero_tenant_id, $benefit)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createTimesheet($xero_tenant_id, $timesheet)
+    public function createTimesheet($xero_tenant_id$timesheet)
     {
-        list($response) = $this->createTimesheetWithHttpInfo($xero_tenant_id, $timesheet);
+        list($response) = $this->createTimesheetWithHttpInfo($xero_tenant_id$timesheet);
         return $response;
     }
     /**
@@ -5036,9 +5036,9 @@ public function createTimesheet($xero_tenant_id, $timesheet)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createTimesheetWithHttpInfo($xero_tenant_id, $timesheet)
+    public function createTimesheetWithHttpInfo($xero_tenant_id$timesheet)
     {
-        $request = $this->createTimesheetRequest($xero_tenant_id, $timesheet);
+        $request = $this->createTimesheetRequest($xero_tenant_id$timesheet);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5131,9 +5131,9 @@ public function createTimesheetWithHttpInfo($xero_tenant_id, $timesheet)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createTimesheetAsync($xero_tenant_id, $timesheet)
+    public function createTimesheetAsync($xero_tenant_id$timesheet)
     {
-        return $this->createTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet)
+        return $this->createTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5147,10 +5147,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Timesheet $timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet)
+    public function createTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetObject';
-        $request = $this->createTimesheetRequest($xero_tenant_id, $timesheet);
+        $request = $this->createTimesheetRequest($xero_tenant_id$timesheet);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5190,7 +5190,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Timesheet $timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createTimesheetRequest($xero_tenant_id, $timesheet)
+    protected function createTimesheetRequest($xero_tenant_id$timesheet)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5287,9 +5287,9 @@ protected function createTimesheetRequest($xero_tenant_id, $timesheet)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLineObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createTimesheetLine($xero_tenant_id, $timesheet_id, $timesheet_line)
+    public function createTimesheetLine($xero_tenant_id$timesheet_id$timesheet_line)
     {
-        list($response) = $this->createTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line);
+        list($response) = $this->createTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line);
         return $response;
     }
     /**
@@ -5302,9 +5302,9 @@ public function createTimesheetLine($xero_tenant_id, $timesheet_id, $timesheet_l
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLineObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line)
+    public function createTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line)
     {
-        $request = $this->createTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line);
+        $request = $this->createTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5398,9 +5398,9 @@ public function createTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id,
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createTimesheetLineAsync($xero_tenant_id, $timesheet_id, $timesheet_line)
+    public function createTimesheetLineAsync($xero_tenant_id$timesheet_id$timesheet_line)
     {
-        return $this->createTimesheetLineAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line)
+        return $this->createTimesheetLineAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5415,10 +5415,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine $timesheet_line (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createTimesheetLineAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line)
+    public function createTimesheetLineAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLineObject';
-        $request = $this->createTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line);
+        $request = $this->createTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5459,7 +5459,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine $timesheet_line (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line)
+    protected function createTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5570,9 +5570,9 @@ protected function createTimesheetLineRequest($xero_tenant_id, $timesheet_id, $t
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplateObject
      */
-    public function deleteEmployeeEarningsTemplate($xero_tenant_id, $employee_id, $pay_template_earning_id)
+    public function deleteEmployeeEarningsTemplate($xero_tenant_id$employee_id$pay_template_earning_id)
     {
-        list($response) = $this->deleteEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id);
+        list($response) = $this->deleteEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id);
         return $response;
     }
     /**
@@ -5585,9 +5585,9 @@ public function deleteEmployeeEarningsTemplate($xero_tenant_id, $employee_id, $p
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplateObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id)
+    public function deleteEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id)
     {
-        $request = $this->deleteEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $pay_template_earning_id);
+        $request = $this->deleteEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$pay_template_earning_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5662,9 +5662,9 @@ public function deleteEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $emp
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteEmployeeEarningsTemplateAsync($xero_tenant_id, $employee_id, $pay_template_earning_id)
+    public function deleteEmployeeEarningsTemplateAsync($xero_tenant_id$employee_id$pay_template_earning_id)
     {
-        return $this->deleteEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id)
+        return $this->deleteEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5679,10 +5679,10 @@ function ($response) {
      * @param  string $pay_template_earning_id Id for single pay template earnings object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id)
+    public function deleteEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplateObject';
-        $request = $this->deleteEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $pay_template_earning_id);
+        $request = $this->deleteEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$pay_template_earning_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5723,7 +5723,7 @@ function ($exception) {
      * @param  string $pay_template_earning_id Id for single pay template earnings object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $pay_template_earning_id)
+    protected function deleteEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$pay_template_earning_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5839,9 +5839,9 @@ protected function deleteEmployeeEarningsTemplateRequest($xero_tenant_id, $emplo
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveObject
      */
-    public function deleteEmployeeLeave($xero_tenant_id, $employee_id, $leave_id)
+    public function deleteEmployeeLeave($xero_tenant_id$employee_id$leave_id)
     {
-        list($response) = $this->deleteEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $leave_id);
+        list($response) = $this->deleteEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$leave_id);
         return $response;
     }
     /**
@@ -5854,9 +5854,9 @@ public function deleteEmployeeLeave($xero_tenant_id, $employee_id, $leave_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $leave_id)
+    public function deleteEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$leave_id)
     {
-        $request = $this->deleteEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id);
+        $request = $this->deleteEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5931,9 +5931,9 @@ public function deleteEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteEmployeeLeaveAsync($xero_tenant_id, $employee_id, $leave_id)
+    public function deleteEmployeeLeaveAsync($xero_tenant_id$employee_id$leave_id)
     {
-        return $this->deleteEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $leave_id)
+        return $this->deleteEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$leave_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5948,10 +5948,10 @@ function ($response) {
      * @param  string $leave_id Leave id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $leave_id)
+    public function deleteEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$leave_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveObject';
-        $request = $this->deleteEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id);
+        $request = $this->deleteEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5992,7 +5992,7 @@ function ($exception) {
      * @param  string $leave_id Leave id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id)
+    protected function deleteEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6108,9 +6108,9 @@ protected function deleteEmployeeLeaveRequest($xero_tenant_id, $employee_id, $le
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWageObject
      */
-    public function deleteEmployeeSalaryAndWage($xero_tenant_id, $employee_id, $salary_and_wages_id)
+    public function deleteEmployeeSalaryAndWage($xero_tenant_id$employee_id$salary_and_wages_id)
     {
-        list($response) = $this->deleteEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id);
+        list($response) = $this->deleteEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id);
         return $response;
     }
     /**
@@ -6123,9 +6123,9 @@ public function deleteEmployeeSalaryAndWage($xero_tenant_id, $employee_id, $sala
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWageObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id)
+    public function deleteEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id)
     {
-        $request = $this->deleteEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id);
+        $request = $this->deleteEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6200,9 +6200,9 @@ public function deleteEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employ
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteEmployeeSalaryAndWageAsync($xero_tenant_id, $employee_id, $salary_and_wages_id)
+    public function deleteEmployeeSalaryAndWageAsync($xero_tenant_id$employee_id$salary_and_wages_id)
     {
-        return $this->deleteEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id)
+        return $this->deleteEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6217,10 +6217,10 @@ function ($response) {
      * @param  string $salary_and_wages_id Id for single salary and wages object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id)
+    public function deleteEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWageObject';
-        $request = $this->deleteEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id);
+        $request = $this->deleteEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -6261,7 +6261,7 @@ function ($exception) {
      * @param  string $salary_and_wages_id Id for single salary and wages object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id)
+    protected function deleteEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6376,9 +6376,9 @@ protected function deleteEmployeeSalaryAndWageRequest($xero_tenant_id, $employee
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function deleteTimesheet($xero_tenant_id, $timesheet_id)
+    public function deleteTimesheet($xero_tenant_id$timesheet_id)
     {
-        list($response) = $this->deleteTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id);
+        list($response) = $this->deleteTimesheetWithHttpInfo($xero_tenant_id$timesheet_id);
         return $response;
     }
     /**
@@ -6390,9 +6390,9 @@ public function deleteTimesheet($xero_tenant_id, $timesheet_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id)
+    public function deleteTimesheetWithHttpInfo($xero_tenant_id$timesheet_id)
     {
-        $request = $this->deleteTimesheetRequest($xero_tenant_id, $timesheet_id);
+        $request = $this->deleteTimesheetRequest($xero_tenant_id$timesheet_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6485,9 +6485,9 @@ public function deleteTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteTimesheetAsync($xero_tenant_id, $timesheet_id)
+    public function deleteTimesheetAsync($xero_tenant_id$timesheet_id)
     {
-        return $this->deleteTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
+        return $this->deleteTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6501,10 +6501,10 @@ function ($response) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
+    public function deleteTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine';
-        $request = $this->deleteTimesheetRequest($xero_tenant_id, $timesheet_id);
+        $request = $this->deleteTimesheetRequest($xero_tenant_id$timesheet_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -6544,7 +6544,7 @@ function ($exception) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteTimesheetRequest($xero_tenant_id, $timesheet_id)
+    protected function deleteTimesheetRequest($xero_tenant_id$timesheet_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6646,9 +6646,9 @@ protected function deleteTimesheetRequest($xero_tenant_id, $timesheet_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function deleteTimesheetLine($xero_tenant_id, $timesheet_id, $timesheet_line_id)
+    public function deleteTimesheetLine($xero_tenant_id$timesheet_id$timesheet_line_id)
     {
-        list($response) = $this->deleteTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id);
+        list($response) = $this->deleteTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id);
         return $response;
     }
     /**
@@ -6661,9 +6661,9 @@ public function deleteTimesheetLine($xero_tenant_id, $timesheet_id, $timesheet_l
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id)
+    public function deleteTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id)
     {
-        $request = $this->deleteTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line_id);
+        $request = $this->deleteTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6757,9 +6757,9 @@ public function deleteTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id,
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteTimesheetLineAsync($xero_tenant_id, $timesheet_id, $timesheet_line_id)
+    public function deleteTimesheetLineAsync($xero_tenant_id$timesheet_id$timesheet_line_id)
     {
-        return $this->deleteTimesheetLineAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id)
+        return $this->deleteTimesheetLineAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6774,10 +6774,10 @@ function ($response) {
      * @param  string $timesheet_line_id Identifier for the timesheet line (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteTimesheetLineAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id)
+    public function deleteTimesheetLineAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine';
-        $request = $this->deleteTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line_id);
+        $request = $this->deleteTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -6818,7 +6818,7 @@ function ($exception) {
      * @param  string $timesheet_line_id Identifier for the timesheet line (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line_id)
+    protected function deleteTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6933,9 +6933,9 @@ protected function deleteTimesheetLineRequest($xero_tenant_id, $timesheet_id, $t
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\DeductionObject
      */
-    public function getDeduction($xero_tenant_id, $deduction_id)
+    public function getDeduction($xero_tenant_id$deduction_id)
     {
-        list($response) = $this->getDeductionWithHttpInfo($xero_tenant_id, $deduction_id);
+        list($response) = $this->getDeductionWithHttpInfo($xero_tenant_id$deduction_id);
         return $response;
     }
     /**
@@ -6947,9 +6947,9 @@ public function getDeduction($xero_tenant_id, $deduction_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\DeductionObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getDeductionWithHttpInfo($xero_tenant_id, $deduction_id)
+    public function getDeductionWithHttpInfo($xero_tenant_id$deduction_id)
     {
-        $request = $this->getDeductionRequest($xero_tenant_id, $deduction_id);
+        $request = $this->getDeductionRequest($xero_tenant_id$deduction_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -7023,9 +7023,9 @@ public function getDeductionWithHttpInfo($xero_tenant_id, $deduction_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getDeductionAsync($xero_tenant_id, $deduction_id)
+    public function getDeductionAsync($xero_tenant_id$deduction_id)
     {
-        return $this->getDeductionAsyncWithHttpInfo($xero_tenant_id, $deduction_id)
+        return $this->getDeductionAsyncWithHttpInfo($xero_tenant_id$deduction_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -7039,10 +7039,10 @@ function ($response) {
      * @param  string $deduction_id Identifier for the deduction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getDeductionAsyncWithHttpInfo($xero_tenant_id, $deduction_id)
+    public function getDeductionAsyncWithHttpInfo($xero_tenant_id$deduction_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\DeductionObject';
-        $request = $this->getDeductionRequest($xero_tenant_id, $deduction_id);
+        $request = $this->getDeductionRequest($xero_tenant_id$deduction_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7082,7 +7082,7 @@ function ($exception) {
      * @param  string $deduction_id Identifier for the deduction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getDeductionRequest($xero_tenant_id, $deduction_id)
+    protected function getDeductionRequest($xero_tenant_id$deduction_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7183,9 +7183,9 @@ protected function getDeductionRequest($xero_tenant_id, $deduction_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\Deductions
      */
-    public function getDeductions($xero_tenant_id, $page = null)
+    public function getDeductions($xero_tenant_id$page = null)
     {
-        list($response) = $this->getDeductionsWithHttpInfo($xero_tenant_id, $page);
+        list($response) = $this->getDeductionsWithHttpInfo($xero_tenant_id$page);
         return $response;
     }
     /**
@@ -7197,9 +7197,9 @@ public function getDeductions($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\Deductions, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getDeductionsWithHttpInfo($xero_tenant_id, $page = null)
+    public function getDeductionsWithHttpInfo($xero_tenant_id$page = null)
     {
-        $request = $this->getDeductionsRequest($xero_tenant_id, $page);
+        $request = $this->getDeductionsRequest($xero_tenant_id$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -7273,9 +7273,9 @@ public function getDeductionsWithHttpInfo($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getDeductionsAsync($xero_tenant_id, $page = null)
+    public function getDeductionsAsync($xero_tenant_id$page = null)
     {
-        return $this->getDeductionsAsyncWithHttpInfo($xero_tenant_id, $page)
+        return $this->getDeductionsAsyncWithHttpInfo($xero_tenant_id$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -7289,10 +7289,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getDeductionsAsyncWithHttpInfo($xero_tenant_id, $page = null)
+    public function getDeductionsAsyncWithHttpInfo($xero_tenant_id$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\Deductions';
-        $request = $this->getDeductionsRequest($xero_tenant_id, $page);
+        $request = $this->getDeductionsRequest($xero_tenant_id$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7332,7 +7332,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getDeductionsRequest($xero_tenant_id, $page = null)
+    protected function getDeductionsRequest($xero_tenant_id$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7423,9 +7423,9 @@ protected function getDeductionsRequest($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EarningsRateObject
      */
-    public function getEarningsRate($xero_tenant_id, $earnings_rate_id)
+    public function getEarningsRate($xero_tenant_id$earnings_rate_id)
     {
-        list($response) = $this->getEarningsRateWithHttpInfo($xero_tenant_id, $earnings_rate_id);
+        list($response) = $this->getEarningsRateWithHttpInfo($xero_tenant_id$earnings_rate_id);
         return $response;
     }
     /**
@@ -7437,9 +7437,9 @@ public function getEarningsRate($xero_tenant_id, $earnings_rate_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EarningsRateObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEarningsRateWithHttpInfo($xero_tenant_id, $earnings_rate_id)
+    public function getEarningsRateWithHttpInfo($xero_tenant_id$earnings_rate_id)
     {
-        $request = $this->getEarningsRateRequest($xero_tenant_id, $earnings_rate_id);
+        $request = $this->getEarningsRateRequest($xero_tenant_id$earnings_rate_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -7513,9 +7513,9 @@ public function getEarningsRateWithHttpInfo($xero_tenant_id, $earnings_rate_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEarningsRateAsync($xero_tenant_id, $earnings_rate_id)
+    public function getEarningsRateAsync($xero_tenant_id$earnings_rate_id)
     {
-        return $this->getEarningsRateAsyncWithHttpInfo($xero_tenant_id, $earnings_rate_id)
+        return $this->getEarningsRateAsyncWithHttpInfo($xero_tenant_id$earnings_rate_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -7529,10 +7529,10 @@ function ($response) {
      * @param  string $earnings_rate_id Identifier for the earnings rate (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEarningsRateAsyncWithHttpInfo($xero_tenant_id, $earnings_rate_id)
+    public function getEarningsRateAsyncWithHttpInfo($xero_tenant_id$earnings_rate_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsRateObject';
-        $request = $this->getEarningsRateRequest($xero_tenant_id, $earnings_rate_id);
+        $request = $this->getEarningsRateRequest($xero_tenant_id$earnings_rate_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7572,7 +7572,7 @@ function ($exception) {
      * @param  string $earnings_rate_id Identifier for the earnings rate (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEarningsRateRequest($xero_tenant_id, $earnings_rate_id)
+    protected function getEarningsRateRequest($xero_tenant_id$earnings_rate_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7673,9 +7673,9 @@ protected function getEarningsRateRequest($xero_tenant_id, $earnings_rate_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EarningsRates
      */
-    public function getEarningsRates($xero_tenant_id, $page = null)
+    public function getEarningsRates($xero_tenant_id$page = null)
     {
-        list($response) = $this->getEarningsRatesWithHttpInfo($xero_tenant_id, $page);
+        list($response) = $this->getEarningsRatesWithHttpInfo($xero_tenant_id$page);
         return $response;
     }
     /**
@@ -7687,9 +7687,9 @@ public function getEarningsRates($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EarningsRates, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEarningsRatesWithHttpInfo($xero_tenant_id, $page = null)
+    public function getEarningsRatesWithHttpInfo($xero_tenant_id$page = null)
     {
-        $request = $this->getEarningsRatesRequest($xero_tenant_id, $page);
+        $request = $this->getEarningsRatesRequest($xero_tenant_id$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -7763,9 +7763,9 @@ public function getEarningsRatesWithHttpInfo($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEarningsRatesAsync($xero_tenant_id, $page = null)
+    public function getEarningsRatesAsync($xero_tenant_id$page = null)
     {
-        return $this->getEarningsRatesAsyncWithHttpInfo($xero_tenant_id, $page)
+        return $this->getEarningsRatesAsyncWithHttpInfo($xero_tenant_id$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -7779,10 +7779,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEarningsRatesAsyncWithHttpInfo($xero_tenant_id, $page = null)
+    public function getEarningsRatesAsyncWithHttpInfo($xero_tenant_id$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsRates';
-        $request = $this->getEarningsRatesRequest($xero_tenant_id, $page);
+        $request = $this->getEarningsRatesRequest($xero_tenant_id$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7822,7 +7822,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEarningsRatesRequest($xero_tenant_id, $page = null)
+    protected function getEarningsRatesRequest($xero_tenant_id$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7913,9 +7913,9 @@ protected function getEarningsRatesRequest($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeObject
      */
-    public function getEmployee($xero_tenant_id, $employee_id)
+    public function getEmployee($xero_tenant_id$employee_id)
     {
-        list($response) = $this->getEmployeeWithHttpInfo($xero_tenant_id, $employee_id);
+        list($response) = $this->getEmployeeWithHttpInfo($xero_tenant_id$employee_id);
         return $response;
     }
     /**
@@ -7927,9 +7927,9 @@ public function getEmployee($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeWithHttpInfo($xero_tenant_id$employee_id)
     {
-        $request = $this->getEmployeeRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeRequest($xero_tenant_id$employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -8003,9 +8003,9 @@ public function getEmployeeWithHttpInfo($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeAsync($xero_tenant_id, $employee_id)
+    public function getEmployeeAsync($xero_tenant_id$employee_id)
     {
-        return $this->getEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+        return $this->getEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -8019,10 +8019,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeObject';
-        $request = $this->getEmployeeRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeRequest($xero_tenant_id$employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -8062,7 +8062,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeRequest($xero_tenant_id, $employee_id)
+    protected function getEmployeeRequest($xero_tenant_id$employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -8163,9 +8163,9 @@ protected function getEmployeeRequest($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveBalances
      */
-    public function getEmployeeLeaveBalances($xero_tenant_id, $employee_id)
+    public function getEmployeeLeaveBalances($xero_tenant_id$employee_id)
     {
-        list($response) = $this->getEmployeeLeaveBalancesWithHttpInfo($xero_tenant_id, $employee_id);
+        list($response) = $this->getEmployeeLeaveBalancesWithHttpInfo($xero_tenant_id$employee_id);
         return $response;
     }
     /**
@@ -8177,9 +8177,9 @@ public function getEmployeeLeaveBalances($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveBalances, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeLeaveBalancesWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeLeaveBalancesWithHttpInfo($xero_tenant_id$employee_id)
     {
-        $request = $this->getEmployeeLeaveBalancesRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeLeaveBalancesRequest($xero_tenant_id$employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -8253,9 +8253,9 @@ public function getEmployeeLeaveBalancesWithHttpInfo($xero_tenant_id, $employee_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeLeaveBalancesAsync($xero_tenant_id, $employee_id)
+    public function getEmployeeLeaveBalancesAsync($xero_tenant_id$employee_id)
     {
-        return $this->getEmployeeLeaveBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+        return $this->getEmployeeLeaveBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -8269,10 +8269,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeLeaveBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeLeaveBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveBalances';
-        $request = $this->getEmployeeLeaveBalancesRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeLeaveBalancesRequest($xero_tenant_id$employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -8312,7 +8312,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeLeaveBalancesRequest($xero_tenant_id, $employee_id)
+    protected function getEmployeeLeaveBalancesRequest($xero_tenant_id$employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -8415,9 +8415,9 @@ protected function getEmployeeLeaveBalancesRequest($xero_tenant_id, $employee_id
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\LeavePeriods|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function getEmployeeLeavePeriods($xero_tenant_id, $employee_id, $start_date = null, $end_date = null)
+    public function getEmployeeLeavePeriods($xero_tenant_id$employee_id$start_date = null$end_date = null)
     {
-        list($response) = $this->getEmployeeLeavePeriodsWithHttpInfo($xero_tenant_id, $employee_id, $start_date, $end_date);
+        list($response) = $this->getEmployeeLeavePeriodsWithHttpInfo($xero_tenant_id$employee_id$start_date$end_date);
         return $response;
     }
     /**
@@ -8431,9 +8431,9 @@ public function getEmployeeLeavePeriods($xero_tenant_id, $employee_id, $start_da
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\LeavePeriods|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeLeavePeriodsWithHttpInfo($xero_tenant_id, $employee_id, $start_date = null, $end_date = null)
+    public function getEmployeeLeavePeriodsWithHttpInfo($xero_tenant_id$employee_id$start_date = null$end_date = null)
     {
-        $request = $this->getEmployeeLeavePeriodsRequest($xero_tenant_id, $employee_id, $start_date, $end_date);
+        $request = $this->getEmployeeLeavePeriodsRequest($xero_tenant_id$employee_id$start_date$end_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -8528,9 +8528,9 @@ public function getEmployeeLeavePeriodsWithHttpInfo($xero_tenant_id, $employee_i
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeLeavePeriodsAsync($xero_tenant_id, $employee_id, $start_date = null, $end_date = null)
+    public function getEmployeeLeavePeriodsAsync($xero_tenant_id$employee_id$start_date = null$end_date = null)
     {
-        return $this->getEmployeeLeavePeriodsAsyncWithHttpInfo($xero_tenant_id, $employee_id, $start_date, $end_date)
+        return $this->getEmployeeLeavePeriodsAsyncWithHttpInfo($xero_tenant_id$employee_id$start_date$end_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -8546,10 +8546,10 @@ function ($response) {
      * @param  \DateTime $end_date Filter by end date (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeLeavePeriodsAsyncWithHttpInfo($xero_tenant_id, $employee_id, $start_date = null, $end_date = null)
+    public function getEmployeeLeavePeriodsAsyncWithHttpInfo($xero_tenant_id$employee_id$start_date = null$end_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\LeavePeriods';
-        $request = $this->getEmployeeLeavePeriodsRequest($xero_tenant_id, $employee_id, $start_date, $end_date);
+        $request = $this->getEmployeeLeavePeriodsRequest($xero_tenant_id$employee_id$start_date$end_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -8591,7 +8591,7 @@ function ($exception) {
      * @param  \DateTime $end_date Filter by end date (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeLeavePeriodsRequest($xero_tenant_id, $employee_id, $start_date = null, $end_date = null)
+    protected function getEmployeeLeavePeriodsRequest($xero_tenant_id$employee_id$start_date = null$end_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -8700,9 +8700,9 @@ protected function getEmployeeLeavePeriodsRequest($xero_tenant_id, $employee_id,
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveTypes|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function getEmployeeLeaveTypes($xero_tenant_id, $employee_id)
+    public function getEmployeeLeaveTypes($xero_tenant_id$employee_id)
     {
-        list($response) = $this->getEmployeeLeaveTypesWithHttpInfo($xero_tenant_id, $employee_id);
+        list($response) = $this->getEmployeeLeaveTypesWithHttpInfo($xero_tenant_id$employee_id);
         return $response;
     }
     /**
@@ -8714,9 +8714,9 @@ public function getEmployeeLeaveTypes($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveTypes|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeLeaveTypesWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeLeaveTypesWithHttpInfo($xero_tenant_id$employee_id)
     {
-        $request = $this->getEmployeeLeaveTypesRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeLeaveTypesRequest($xero_tenant_id$employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -8809,9 +8809,9 @@ public function getEmployeeLeaveTypesWithHttpInfo($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeLeaveTypesAsync($xero_tenant_id, $employee_id)
+    public function getEmployeeLeaveTypesAsync($xero_tenant_id$employee_id)
     {
-        return $this->getEmployeeLeaveTypesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+        return $this->getEmployeeLeaveTypesAsyncWithHttpInfo($xero_tenant_id$employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -8825,10 +8825,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeLeaveTypesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeLeaveTypesAsyncWithHttpInfo($xero_tenant_id$employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveTypes';
-        $request = $this->getEmployeeLeaveTypesRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeLeaveTypesRequest($xero_tenant_id$employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -8868,7 +8868,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeLeaveTypesRequest($xero_tenant_id, $employee_id)
+    protected function getEmployeeLeaveTypesRequest($xero_tenant_id$employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -8969,9 +8969,9 @@ protected function getEmployeeLeaveTypesRequest($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaves
      */
-    public function getEmployeeLeaves($xero_tenant_id, $employee_id)
+    public function getEmployeeLeaves($xero_tenant_id$employee_id)
     {
-        list($response) = $this->getEmployeeLeavesWithHttpInfo($xero_tenant_id, $employee_id);
+        list($response) = $this->getEmployeeLeavesWithHttpInfo($xero_tenant_id$employee_id);
         return $response;
     }
     /**
@@ -8983,9 +8983,9 @@ public function getEmployeeLeaves($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaves, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeLeavesWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeLeavesWithHttpInfo($xero_tenant_id$employee_id)
     {
-        $request = $this->getEmployeeLeavesRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeLeavesRequest($xero_tenant_id$employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -9059,9 +9059,9 @@ public function getEmployeeLeavesWithHttpInfo($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeLeavesAsync($xero_tenant_id, $employee_id)
+    public function getEmployeeLeavesAsync($xero_tenant_id$employee_id)
     {
-        return $this->getEmployeeLeavesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+        return $this->getEmployeeLeavesAsyncWithHttpInfo($xero_tenant_id$employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -9075,10 +9075,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeLeavesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeLeavesAsyncWithHttpInfo($xero_tenant_id$employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaves';
-        $request = $this->getEmployeeLeavesRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeLeavesRequest($xero_tenant_id$employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -9118,7 +9118,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeLeavesRequest($xero_tenant_id, $employee_id)
+    protected function getEmployeeLeavesRequest($xero_tenant_id$employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -9219,9 +9219,9 @@ protected function getEmployeeLeavesRequest($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeOpeningBalancesObject
      */
-    public function getEmployeeOpeningBalances($xero_tenant_id, $employee_id)
+    public function getEmployeeOpeningBalances($xero_tenant_id$employee_id)
     {
-        list($response) = $this->getEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id, $employee_id);
+        list($response) = $this->getEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id$employee_id);
         return $response;
     }
     /**
@@ -9233,9 +9233,9 @@ public function getEmployeeOpeningBalances($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeOpeningBalancesObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id$employee_id)
     {
-        $request = $this->getEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -9309,9 +9309,9 @@ public function getEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id, $employe
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeOpeningBalancesAsync($xero_tenant_id, $employee_id)
+    public function getEmployeeOpeningBalancesAsync($xero_tenant_id$employee_id)
     {
-        return $this->getEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+        return $this->getEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -9325,10 +9325,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeOpeningBalancesObject';
-        $request = $this->getEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -9368,7 +9368,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id)
+    protected function getEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -9469,9 +9469,9 @@ protected function getEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeePayTemplates|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function getEmployeePayTemplates($xero_tenant_id, $employee_id)
+    public function getEmployeePayTemplates($xero_tenant_id$employee_id)
     {
-        list($response) = $this->getEmployeePayTemplatesWithHttpInfo($xero_tenant_id, $employee_id);
+        list($response) = $this->getEmployeePayTemplatesWithHttpInfo($xero_tenant_id$employee_id);
         return $response;
     }
     /**
@@ -9483,9 +9483,9 @@ public function getEmployeePayTemplates($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeePayTemplates|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeePayTemplatesWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeePayTemplatesWithHttpInfo($xero_tenant_id$employee_id)
     {
-        $request = $this->getEmployeePayTemplatesRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeePayTemplatesRequest($xero_tenant_id$employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -9578,9 +9578,9 @@ public function getEmployeePayTemplatesWithHttpInfo($xero_tenant_id, $employee_i
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeePayTemplatesAsync($xero_tenant_id, $employee_id)
+    public function getEmployeePayTemplatesAsync($xero_tenant_id$employee_id)
     {
-        return $this->getEmployeePayTemplatesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+        return $this->getEmployeePayTemplatesAsyncWithHttpInfo($xero_tenant_id$employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -9594,10 +9594,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeePayTemplatesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeePayTemplatesAsyncWithHttpInfo($xero_tenant_id$employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeePayTemplates';
-        $request = $this->getEmployeePayTemplatesRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeePayTemplatesRequest($xero_tenant_id$employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -9637,7 +9637,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeePayTemplatesRequest($xero_tenant_id, $employee_id)
+    protected function getEmployeePayTemplatesRequest($xero_tenant_id$employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -9738,9 +9738,9 @@ protected function getEmployeePayTemplatesRequest($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\PaymentMethodObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function getEmployeePaymentMethod($xero_tenant_id, $employee_id)
+    public function getEmployeePaymentMethod($xero_tenant_id$employee_id)
     {
-        list($response) = $this->getEmployeePaymentMethodWithHttpInfo($xero_tenant_id, $employee_id);
+        list($response) = $this->getEmployeePaymentMethodWithHttpInfo($xero_tenant_id$employee_id);
         return $response;
     }
     /**
@@ -9752,9 +9752,9 @@ public function getEmployeePaymentMethod($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\PaymentMethodObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeePaymentMethodWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeePaymentMethodWithHttpInfo($xero_tenant_id$employee_id)
     {
-        $request = $this->getEmployeePaymentMethodRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeePaymentMethodRequest($xero_tenant_id$employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -9847,9 +9847,9 @@ public function getEmployeePaymentMethodWithHttpInfo($xero_tenant_id, $employee_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeePaymentMethodAsync($xero_tenant_id, $employee_id)
+    public function getEmployeePaymentMethodAsync($xero_tenant_id$employee_id)
     {
-        return $this->getEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+        return $this->getEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id$employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -9863,10 +9863,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id$employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\PaymentMethodObject';
-        $request = $this->getEmployeePaymentMethodRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeePaymentMethodRequest($xero_tenant_id$employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -9906,7 +9906,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeePaymentMethodRequest($xero_tenant_id, $employee_id)
+    protected function getEmployeePaymentMethodRequest($xero_tenant_id$employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -10008,9 +10008,9 @@ protected function getEmployeePaymentMethodRequest($xero_tenant_id, $employee_id
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWages
      */
-    public function getEmployeeSalaryAndWage($xero_tenant_id, $employee_id, $salary_and_wages_id)
+    public function getEmployeeSalaryAndWage($xero_tenant_id$employee_id$salary_and_wages_id)
     {
-        list($response) = $this->getEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id);
+        list($response) = $this->getEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id);
         return $response;
     }
     /**
@@ -10023,9 +10023,9 @@ public function getEmployeeSalaryAndWage($xero_tenant_id, $employee_id, $salary_
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWages, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id)
+    public function getEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id)
     {
-        $request = $this->getEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id);
+        $request = $this->getEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -10100,9 +10100,9 @@ public function getEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeSalaryAndWageAsync($xero_tenant_id, $employee_id, $salary_and_wages_id)
+    public function getEmployeeSalaryAndWageAsync($xero_tenant_id$employee_id$salary_and_wages_id)
     {
-        return $this->getEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id)
+        return $this->getEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -10117,10 +10117,10 @@ function ($response) {
      * @param  string $salary_and_wages_id Id for single pay template earnings object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id)
+    public function getEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWages';
-        $request = $this->getEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id);
+        $request = $this->getEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -10161,7 +10161,7 @@ function ($exception) {
      * @param  string $salary_and_wages_id Id for single pay template earnings object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id)
+    protected function getEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -10277,9 +10277,9 @@ protected function getEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWages|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function getEmployeeSalaryAndWages($xero_tenant_id, $employee_id, $page = null)
+    public function getEmployeeSalaryAndWages($xero_tenant_id$employee_id$page = null)
     {
-        list($response) = $this->getEmployeeSalaryAndWagesWithHttpInfo($xero_tenant_id, $employee_id, $page);
+        list($response) = $this->getEmployeeSalaryAndWagesWithHttpInfo($xero_tenant_id$employee_id$page);
         return $response;
     }
     /**
@@ -10292,9 +10292,9 @@ public function getEmployeeSalaryAndWages($xero_tenant_id, $employee_id, $page =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWages|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeSalaryAndWagesWithHttpInfo($xero_tenant_id, $employee_id, $page = null)
+    public function getEmployeeSalaryAndWagesWithHttpInfo($xero_tenant_id$employee_id$page = null)
     {
-        $request = $this->getEmployeeSalaryAndWagesRequest($xero_tenant_id, $employee_id, $page);
+        $request = $this->getEmployeeSalaryAndWagesRequest($xero_tenant_id$employee_id$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -10388,9 +10388,9 @@ public function getEmployeeSalaryAndWagesWithHttpInfo($xero_tenant_id, $employee
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeSalaryAndWagesAsync($xero_tenant_id, $employee_id, $page = null)
+    public function getEmployeeSalaryAndWagesAsync($xero_tenant_id$employee_id$page = null)
     {
-        return $this->getEmployeeSalaryAndWagesAsyncWithHttpInfo($xero_tenant_id, $employee_id, $page)
+        return $this->getEmployeeSalaryAndWagesAsyncWithHttpInfo($xero_tenant_id$employee_id$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -10405,10 +10405,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeSalaryAndWagesAsyncWithHttpInfo($xero_tenant_id, $employee_id, $page = null)
+    public function getEmployeeSalaryAndWagesAsyncWithHttpInfo($xero_tenant_id$employee_id$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWages';
-        $request = $this->getEmployeeSalaryAndWagesRequest($xero_tenant_id, $employee_id, $page);
+        $request = $this->getEmployeeSalaryAndWagesRequest($xero_tenant_id$employee_id$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -10449,7 +10449,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeSalaryAndWagesRequest($xero_tenant_id, $employee_id, $page = null)
+    protected function getEmployeeSalaryAndWagesRequest($xero_tenant_id$employee_id$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -10554,9 +10554,9 @@ protected function getEmployeeSalaryAndWagesRequest($xero_tenant_id, $employee_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeTaxObject
      */
-    public function getEmployeeTax($xero_tenant_id, $employee_id)
+    public function getEmployeeTax($xero_tenant_id$employee_id)
     {
-        list($response) = $this->getEmployeeTaxWithHttpInfo($xero_tenant_id, $employee_id);
+        list($response) = $this->getEmployeeTaxWithHttpInfo($xero_tenant_id$employee_id);
         return $response;
     }
     /**
@@ -10568,9 +10568,9 @@ public function getEmployeeTax($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeTaxObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeTaxWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeTaxWithHttpInfo($xero_tenant_id$employee_id)
     {
-        $request = $this->getEmployeeTaxRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeTaxRequest($xero_tenant_id$employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -10644,9 +10644,9 @@ public function getEmployeeTaxWithHttpInfo($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeTaxAsync($xero_tenant_id, $employee_id)
+    public function getEmployeeTaxAsync($xero_tenant_id$employee_id)
     {
-        return $this->getEmployeeTaxAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+        return $this->getEmployeeTaxAsyncWithHttpInfo($xero_tenant_id$employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -10660,10 +10660,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeTaxAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeTaxAsyncWithHttpInfo($xero_tenant_id$employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeTaxObject';
-        $request = $this->getEmployeeTaxRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeTaxRequest($xero_tenant_id$employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -10703,7 +10703,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeTaxRequest($xero_tenant_id, $employee_id)
+    protected function getEmployeeTaxRequest($xero_tenant_id$employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -10805,9 +10805,9 @@ protected function getEmployeeTaxRequest($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\Employees|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function getEmployees($xero_tenant_id, $filter = null, $page = null)
+    public function getEmployees($xero_tenant_id$filter = null$page = null)
     {
-        list($response) = $this->getEmployeesWithHttpInfo($xero_tenant_id, $filter, $page);
+        list($response) = $this->getEmployeesWithHttpInfo($xero_tenant_id$filter$page);
         return $response;
     }
     /**
@@ -10820,9 +10820,9 @@ public function getEmployees($xero_tenant_id, $filter = null, $page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\Employees|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeesWithHttpInfo($xero_tenant_id, $filter = null, $page = null)
+    public function getEmployeesWithHttpInfo($xero_tenant_id$filter = null$page = null)
     {
-        $request = $this->getEmployeesRequest($xero_tenant_id, $filter, $page);
+        $request = $this->getEmployeesRequest($xero_tenant_id$filter$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -10916,9 +10916,9 @@ public function getEmployeesWithHttpInfo($xero_tenant_id, $filter = null, $page
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeesAsync($xero_tenant_id, $filter = null, $page = null)
+    public function getEmployeesAsync($xero_tenant_id$filter = null$page = null)
     {
-        return $this->getEmployeesAsyncWithHttpInfo($xero_tenant_id, $filter, $page)
+        return $this->getEmployeesAsyncWithHttpInfo($xero_tenant_id$filter$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -10933,10 +10933,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeesAsyncWithHttpInfo($xero_tenant_id, $filter = null, $page = null)
+    public function getEmployeesAsyncWithHttpInfo($xero_tenant_id$filter = null$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\Employees';
-        $request = $this->getEmployeesRequest($xero_tenant_id, $filter, $page);
+        $request = $this->getEmployeesRequest($xero_tenant_id$filter$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -10977,7 +10977,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeesRequest($xero_tenant_id, $filter = null, $page = null)
+    protected function getEmployeesRequest($xero_tenant_id$filter = null$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -11072,9 +11072,9 @@ protected function getEmployeesRequest($xero_tenant_id, $filter = null, $page =
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\LeaveTypeObject
      */
-    public function getLeaveType($xero_tenant_id, $leave_type_id)
+    public function getLeaveType($xero_tenant_id$leave_type_id)
     {
-        list($response) = $this->getLeaveTypeWithHttpInfo($xero_tenant_id, $leave_type_id);
+        list($response) = $this->getLeaveTypeWithHttpInfo($xero_tenant_id$leave_type_id);
         return $response;
     }
     /**
@@ -11086,9 +11086,9 @@ public function getLeaveType($xero_tenant_id, $leave_type_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\LeaveTypeObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getLeaveTypeWithHttpInfo($xero_tenant_id, $leave_type_id)
+    public function getLeaveTypeWithHttpInfo($xero_tenant_id$leave_type_id)
     {
-        $request = $this->getLeaveTypeRequest($xero_tenant_id, $leave_type_id);
+        $request = $this->getLeaveTypeRequest($xero_tenant_id$leave_type_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -11162,9 +11162,9 @@ public function getLeaveTypeWithHttpInfo($xero_tenant_id, $leave_type_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getLeaveTypeAsync($xero_tenant_id, $leave_type_id)
+    public function getLeaveTypeAsync($xero_tenant_id$leave_type_id)
     {
-        return $this->getLeaveTypeAsyncWithHttpInfo($xero_tenant_id, $leave_type_id)
+        return $this->getLeaveTypeAsyncWithHttpInfo($xero_tenant_id$leave_type_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -11178,10 +11178,10 @@ function ($response) {
      * @param  string $leave_type_id Identifier for the leave type (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getLeaveTypeAsyncWithHttpInfo($xero_tenant_id, $leave_type_id)
+    public function getLeaveTypeAsyncWithHttpInfo($xero_tenant_id$leave_type_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\LeaveTypeObject';
-        $request = $this->getLeaveTypeRequest($xero_tenant_id, $leave_type_id);
+        $request = $this->getLeaveTypeRequest($xero_tenant_id$leave_type_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -11221,7 +11221,7 @@ function ($exception) {
      * @param  string $leave_type_id Identifier for the leave type (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getLeaveTypeRequest($xero_tenant_id, $leave_type_id)
+    protected function getLeaveTypeRequest($xero_tenant_id$leave_type_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -11323,9 +11323,9 @@ protected function getLeaveTypeRequest($xero_tenant_id, $leave_type_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\LeaveTypes
      */
-    public function getLeaveTypes($xero_tenant_id, $page = null, $active_only = null)
+    public function getLeaveTypes($xero_tenant_id$page = null$active_only = null)
     {
-        list($response) = $this->getLeaveTypesWithHttpInfo($xero_tenant_id, $page, $active_only);
+        list($response) = $this->getLeaveTypesWithHttpInfo($xero_tenant_id$page$active_only);
         return $response;
     }
     /**
@@ -11338,9 +11338,9 @@ public function getLeaveTypes($xero_tenant_id, $page = null, $active_only = null
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\LeaveTypes, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getLeaveTypesWithHttpInfo($xero_tenant_id, $page = null, $active_only = null)
+    public function getLeaveTypesWithHttpInfo($xero_tenant_id$page = null$active_only = null)
     {
-        $request = $this->getLeaveTypesRequest($xero_tenant_id, $page, $active_only);
+        $request = $this->getLeaveTypesRequest($xero_tenant_id$page$active_only);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -11415,9 +11415,9 @@ public function getLeaveTypesWithHttpInfo($xero_tenant_id, $page = null, $active
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getLeaveTypesAsync($xero_tenant_id, $page = null, $active_only = null)
+    public function getLeaveTypesAsync($xero_tenant_id$page = null$active_only = null)
     {
-        return $this->getLeaveTypesAsyncWithHttpInfo($xero_tenant_id, $page, $active_only)
+        return $this->getLeaveTypesAsyncWithHttpInfo($xero_tenant_id$page$active_only)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -11432,10 +11432,10 @@ function ($response) {
      * @param  bool $active_only Filters leave types by active status. By default the API returns all leave types. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getLeaveTypesAsyncWithHttpInfo($xero_tenant_id, $page = null, $active_only = null)
+    public function getLeaveTypesAsyncWithHttpInfo($xero_tenant_id$page = null$active_only = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\LeaveTypes';
-        $request = $this->getLeaveTypesRequest($xero_tenant_id, $page, $active_only);
+        $request = $this->getLeaveTypesRequest($xero_tenant_id$page$active_only);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -11476,7 +11476,7 @@ function ($exception) {
      * @param  bool $active_only Filters leave types by active status. By default the API returns all leave types. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getLeaveTypesRequest($xero_tenant_id, $page = null, $active_only = null)
+    protected function getLeaveTypesRequest($xero_tenant_id$page = null$active_only = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -11571,9 +11571,9 @@ protected function getLeaveTypesRequest($xero_tenant_id, $page = null, $active_o
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\PayRunObject
      */
-    public function getPayRun($xero_tenant_id, $pay_run_id)
+    public function getPayRun($xero_tenant_id$pay_run_id)
     {
-        list($response) = $this->getPayRunWithHttpInfo($xero_tenant_id, $pay_run_id);
+        list($response) = $this->getPayRunWithHttpInfo($xero_tenant_id$pay_run_id);
         return $response;
     }
     /**
@@ -11585,9 +11585,9 @@ public function getPayRun($xero_tenant_id, $pay_run_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\PayRunObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayRunWithHttpInfo($xero_tenant_id, $pay_run_id)
+    public function getPayRunWithHttpInfo($xero_tenant_id$pay_run_id)
     {
-        $request = $this->getPayRunRequest($xero_tenant_id, $pay_run_id);
+        $request = $this->getPayRunRequest($xero_tenant_id$pay_run_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -11661,9 +11661,9 @@ public function getPayRunWithHttpInfo($xero_tenant_id, $pay_run_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayRunAsync($xero_tenant_id, $pay_run_id)
+    public function getPayRunAsync($xero_tenant_id$pay_run_id)
     {
-        return $this->getPayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run_id)
+        return $this->getPayRunAsyncWithHttpInfo($xero_tenant_id$pay_run_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -11677,10 +11677,10 @@ function ($response) {
      * @param  string $pay_run_id Identifier for the pay run (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run_id)
+    public function getPayRunAsyncWithHttpInfo($xero_tenant_id$pay_run_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\PayRunObject';
-        $request = $this->getPayRunRequest($xero_tenant_id, $pay_run_id);
+        $request = $this->getPayRunRequest($xero_tenant_id$pay_run_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -11720,7 +11720,7 @@ function ($exception) {
      * @param  string $pay_run_id Identifier for the pay run (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayRunRequest($xero_tenant_id, $pay_run_id)
+    protected function getPayRunRequest($xero_tenant_id$pay_run_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -11821,9 +11821,9 @@ protected function getPayRunRequest($xero_tenant_id, $pay_run_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendarObject
      */
-    public function getPayRunCalendar($xero_tenant_id, $payroll_calendar_id)
+    public function getPayRunCalendar($xero_tenant_id$payroll_calendar_id)
     {
-        list($response) = $this->getPayRunCalendarWithHttpInfo($xero_tenant_id, $payroll_calendar_id);
+        list($response) = $this->getPayRunCalendarWithHttpInfo($xero_tenant_id$payroll_calendar_id);
         return $response;
     }
     /**
@@ -11835,9 +11835,9 @@ public function getPayRunCalendar($xero_tenant_id, $payroll_calendar_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendarObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayRunCalendarWithHttpInfo($xero_tenant_id, $payroll_calendar_id)
+    public function getPayRunCalendarWithHttpInfo($xero_tenant_id$payroll_calendar_id)
     {
-        $request = $this->getPayRunCalendarRequest($xero_tenant_id, $payroll_calendar_id);
+        $request = $this->getPayRunCalendarRequest($xero_tenant_id$payroll_calendar_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -11911,9 +11911,9 @@ public function getPayRunCalendarWithHttpInfo($xero_tenant_id, $payroll_calendar
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayRunCalendarAsync($xero_tenant_id, $payroll_calendar_id)
+    public function getPayRunCalendarAsync($xero_tenant_id$payroll_calendar_id)
     {
-        return $this->getPayRunCalendarAsyncWithHttpInfo($xero_tenant_id, $payroll_calendar_id)
+        return $this->getPayRunCalendarAsyncWithHttpInfo($xero_tenant_id$payroll_calendar_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -11927,10 +11927,10 @@ function ($response) {
      * @param  string $payroll_calendar_id Identifier for the payrun calendars (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayRunCalendarAsyncWithHttpInfo($xero_tenant_id, $payroll_calendar_id)
+    public function getPayRunCalendarAsyncWithHttpInfo($xero_tenant_id$payroll_calendar_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendarObject';
-        $request = $this->getPayRunCalendarRequest($xero_tenant_id, $payroll_calendar_id);
+        $request = $this->getPayRunCalendarRequest($xero_tenant_id$payroll_calendar_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -11970,7 +11970,7 @@ function ($exception) {
      * @param  string $payroll_calendar_id Identifier for the payrun calendars (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayRunCalendarRequest($xero_tenant_id, $payroll_calendar_id)
+    protected function getPayRunCalendarRequest($xero_tenant_id$payroll_calendar_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -12071,9 +12071,9 @@ protected function getPayRunCalendarRequest($xero_tenant_id, $payroll_calendar_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendars
      */
-    public function getPayRunCalendars($xero_tenant_id, $page = null)
+    public function getPayRunCalendars($xero_tenant_id$page = null)
     {
-        list($response) = $this->getPayRunCalendarsWithHttpInfo($xero_tenant_id, $page);
+        list($response) = $this->getPayRunCalendarsWithHttpInfo($xero_tenant_id$page);
         return $response;
     }
     /**
@@ -12085,9 +12085,9 @@ public function getPayRunCalendars($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendars, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayRunCalendarsWithHttpInfo($xero_tenant_id, $page = null)
+    public function getPayRunCalendarsWithHttpInfo($xero_tenant_id$page = null)
     {
-        $request = $this->getPayRunCalendarsRequest($xero_tenant_id, $page);
+        $request = $this->getPayRunCalendarsRequest($xero_tenant_id$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -12161,9 +12161,9 @@ public function getPayRunCalendarsWithHttpInfo($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayRunCalendarsAsync($xero_tenant_id, $page = null)
+    public function getPayRunCalendarsAsync($xero_tenant_id$page = null)
     {
-        return $this->getPayRunCalendarsAsyncWithHttpInfo($xero_tenant_id, $page)
+        return $this->getPayRunCalendarsAsyncWithHttpInfo($xero_tenant_id$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -12177,10 +12177,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayRunCalendarsAsyncWithHttpInfo($xero_tenant_id, $page = null)
+    public function getPayRunCalendarsAsyncWithHttpInfo($xero_tenant_id$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendars';
-        $request = $this->getPayRunCalendarsRequest($xero_tenant_id, $page);
+        $request = $this->getPayRunCalendarsRequest($xero_tenant_id$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -12220,7 +12220,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayRunCalendarsRequest($xero_tenant_id, $page = null)
+    protected function getPayRunCalendarsRequest($xero_tenant_id$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -12312,9 +12312,9 @@ protected function getPayRunCalendarsRequest($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\PayRuns
      */
-    public function getPayRuns($xero_tenant_id, $page = null, $status = null)
+    public function getPayRuns($xero_tenant_id$page = null$status = null)
     {
-        list($response) = $this->getPayRunsWithHttpInfo($xero_tenant_id, $page, $status);
+        list($response) = $this->getPayRunsWithHttpInfo($xero_tenant_id$page$status);
         return $response;
     }
     /**
@@ -12327,9 +12327,9 @@ public function getPayRuns($xero_tenant_id, $page = null, $status = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\PayRuns, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayRunsWithHttpInfo($xero_tenant_id, $page = null, $status = null)
+    public function getPayRunsWithHttpInfo($xero_tenant_id$page = null$status = null)
     {
-        $request = $this->getPayRunsRequest($xero_tenant_id, $page, $status);
+        $request = $this->getPayRunsRequest($xero_tenant_id$page$status);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -12404,9 +12404,9 @@ public function getPayRunsWithHttpInfo($xero_tenant_id, $page = null, $status =
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayRunsAsync($xero_tenant_id, $page = null, $status = null)
+    public function getPayRunsAsync($xero_tenant_id$page = null$status = null)
     {
-        return $this->getPayRunsAsyncWithHttpInfo($xero_tenant_id, $page, $status)
+        return $this->getPayRunsAsyncWithHttpInfo($xero_tenant_id$page$status)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -12421,10 +12421,10 @@ function ($response) {
      * @param  string $status By default get payruns will return all the payruns for an organization. You can add GET https://api.xero.com/payroll.xro/2.0/payRuns?statu&#x3D;{PayRunStatus} to filter the payruns by status. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayRunsAsyncWithHttpInfo($xero_tenant_id, $page = null, $status = null)
+    public function getPayRunsAsyncWithHttpInfo($xero_tenant_id$page = null$status = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\PayRuns';
-        $request = $this->getPayRunsRequest($xero_tenant_id, $page, $status);
+        $request = $this->getPayRunsRequest($xero_tenant_id$page$status);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -12465,7 +12465,7 @@ function ($exception) {
      * @param  string $status By default get payruns will return all the payruns for an organization. You can add GET https://api.xero.com/payroll.xro/2.0/payRuns?statu&#x3D;{PayRunStatus} to filter the payruns by status. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayRunsRequest($xero_tenant_id, $page = null, $status = null)
+    protected function getPayRunsRequest($xero_tenant_id$page = null$status = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -12560,9 +12560,9 @@ protected function getPayRunsRequest($xero_tenant_id, $page = null, $status = nu
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\PaySlipObject
      */
-    public function getPaySlip($xero_tenant_id, $pay_slip_id)
+    public function getPaySlip($xero_tenant_id$pay_slip_id)
     {
-        list($response) = $this->getPaySlipWithHttpInfo($xero_tenant_id, $pay_slip_id);
+        list($response) = $this->getPaySlipWithHttpInfo($xero_tenant_id$pay_slip_id);
         return $response;
     }
     /**
@@ -12574,9 +12574,9 @@ public function getPaySlip($xero_tenant_id, $pay_slip_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\PaySlipObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPaySlipWithHttpInfo($xero_tenant_id, $pay_slip_id)
+    public function getPaySlipWithHttpInfo($xero_tenant_id$pay_slip_id)
     {
-        $request = $this->getPaySlipRequest($xero_tenant_id, $pay_slip_id);
+        $request = $this->getPaySlipRequest($xero_tenant_id$pay_slip_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -12650,9 +12650,9 @@ public function getPaySlipWithHttpInfo($xero_tenant_id, $pay_slip_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPaySlipAsync($xero_tenant_id, $pay_slip_id)
+    public function getPaySlipAsync($xero_tenant_id$pay_slip_id)
     {
-        return $this->getPaySlipAsyncWithHttpInfo($xero_tenant_id, $pay_slip_id)
+        return $this->getPaySlipAsyncWithHttpInfo($xero_tenant_id$pay_slip_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -12666,10 +12666,10 @@ function ($response) {
      * @param  string $pay_slip_id Identifier for the payslip (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPaySlipAsyncWithHttpInfo($xero_tenant_id, $pay_slip_id)
+    public function getPaySlipAsyncWithHttpInfo($xero_tenant_id$pay_slip_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\PaySlipObject';
-        $request = $this->getPaySlipRequest($xero_tenant_id, $pay_slip_id);
+        $request = $this->getPaySlipRequest($xero_tenant_id$pay_slip_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -12709,7 +12709,7 @@ function ($exception) {
      * @param  string $pay_slip_id Identifier for the payslip (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPaySlipRequest($xero_tenant_id, $pay_slip_id)
+    protected function getPaySlipRequest($xero_tenant_id$pay_slip_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -12811,9 +12811,9 @@ protected function getPaySlipRequest($xero_tenant_id, $pay_slip_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\PaySlips
      */
-    public function getPaySlips($xero_tenant_id, $pay_run_id, $page = null)
+    public function getPaySlips($xero_tenant_id$pay_run_id$page = null)
     {
-        list($response) = $this->getPaySlipsWithHttpInfo($xero_tenant_id, $pay_run_id, $page);
+        list($response) = $this->getPaySlipsWithHttpInfo($xero_tenant_id$pay_run_id$page);
         return $response;
     }
     /**
@@ -12826,9 +12826,9 @@ public function getPaySlips($xero_tenant_id, $pay_run_id, $page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\PaySlips, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPaySlipsWithHttpInfo($xero_tenant_id, $pay_run_id, $page = null)
+    public function getPaySlipsWithHttpInfo($xero_tenant_id$pay_run_id$page = null)
     {
-        $request = $this->getPaySlipsRequest($xero_tenant_id, $pay_run_id, $page);
+        $request = $this->getPaySlipsRequest($xero_tenant_id$pay_run_id$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -12903,9 +12903,9 @@ public function getPaySlipsWithHttpInfo($xero_tenant_id, $pay_run_id, $page = nu
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPaySlipsAsync($xero_tenant_id, $pay_run_id, $page = null)
+    public function getPaySlipsAsync($xero_tenant_id$pay_run_id$page = null)
     {
-        return $this->getPaySlipsAsyncWithHttpInfo($xero_tenant_id, $pay_run_id, $page)
+        return $this->getPaySlipsAsyncWithHttpInfo($xero_tenant_id$pay_run_id$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -12920,10 +12920,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPaySlipsAsyncWithHttpInfo($xero_tenant_id, $pay_run_id, $page = null)
+    public function getPaySlipsAsyncWithHttpInfo($xero_tenant_id$pay_run_id$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\PaySlips';
-        $request = $this->getPaySlipsRequest($xero_tenant_id, $pay_run_id, $page);
+        $request = $this->getPaySlipsRequest($xero_tenant_id$pay_run_id$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -12964,7 +12964,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPaySlipsRequest($xero_tenant_id, $pay_run_id, $page = null)
+    protected function getPaySlipsRequest($xero_tenant_id$pay_run_id$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -13065,9 +13065,9 @@ protected function getPaySlipsRequest($xero_tenant_id, $pay_run_id, $page = null
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\ReimbursementObject
      */
-    public function getReimbursement($xero_tenant_id, $reimbursement_id)
+    public function getReimbursement($xero_tenant_id$reimbursement_id)
     {
-        list($response) = $this->getReimbursementWithHttpInfo($xero_tenant_id, $reimbursement_id);
+        list($response) = $this->getReimbursementWithHttpInfo($xero_tenant_id$reimbursement_id);
         return $response;
     }
     /**
@@ -13079,9 +13079,9 @@ public function getReimbursement($xero_tenant_id, $reimbursement_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\ReimbursementObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReimbursementWithHttpInfo($xero_tenant_id, $reimbursement_id)
+    public function getReimbursementWithHttpInfo($xero_tenant_id$reimbursement_id)
     {
-        $request = $this->getReimbursementRequest($xero_tenant_id, $reimbursement_id);
+        $request = $this->getReimbursementRequest($xero_tenant_id$reimbursement_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -13155,9 +13155,9 @@ public function getReimbursementWithHttpInfo($xero_tenant_id, $reimbursement_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReimbursementAsync($xero_tenant_id, $reimbursement_id)
+    public function getReimbursementAsync($xero_tenant_id$reimbursement_id)
     {
-        return $this->getReimbursementAsyncWithHttpInfo($xero_tenant_id, $reimbursement_id)
+        return $this->getReimbursementAsyncWithHttpInfo($xero_tenant_id$reimbursement_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -13171,10 +13171,10 @@ function ($response) {
      * @param  string $reimbursement_id Identifier for the reimbursement (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReimbursementAsyncWithHttpInfo($xero_tenant_id, $reimbursement_id)
+    public function getReimbursementAsyncWithHttpInfo($xero_tenant_id$reimbursement_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\ReimbursementObject';
-        $request = $this->getReimbursementRequest($xero_tenant_id, $reimbursement_id);
+        $request = $this->getReimbursementRequest($xero_tenant_id$reimbursement_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -13214,7 +13214,7 @@ function ($exception) {
      * @param  string $reimbursement_id Identifier for the reimbursement (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReimbursementRequest($xero_tenant_id, $reimbursement_id)
+    protected function getReimbursementRequest($xero_tenant_id$reimbursement_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -13315,9 +13315,9 @@ protected function getReimbursementRequest($xero_tenant_id, $reimbursement_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\Reimbursements
      */
-    public function getReimbursements($xero_tenant_id, $page = null)
+    public function getReimbursements($xero_tenant_id$page = null)
     {
-        list($response) = $this->getReimbursementsWithHttpInfo($xero_tenant_id, $page);
+        list($response) = $this->getReimbursementsWithHttpInfo($xero_tenant_id$page);
         return $response;
     }
     /**
@@ -13329,9 +13329,9 @@ public function getReimbursements($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\Reimbursements, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReimbursementsWithHttpInfo($xero_tenant_id, $page = null)
+    public function getReimbursementsWithHttpInfo($xero_tenant_id$page = null)
     {
-        $request = $this->getReimbursementsRequest($xero_tenant_id, $page);
+        $request = $this->getReimbursementsRequest($xero_tenant_id$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -13405,9 +13405,9 @@ public function getReimbursementsWithHttpInfo($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReimbursementsAsync($xero_tenant_id, $page = null)
+    public function getReimbursementsAsync($xero_tenant_id$page = null)
     {
-        return $this->getReimbursementsAsyncWithHttpInfo($xero_tenant_id, $page)
+        return $this->getReimbursementsAsyncWithHttpInfo($xero_tenant_id$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -13421,10 +13421,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReimbursementsAsyncWithHttpInfo($xero_tenant_id, $page = null)
+    public function getReimbursementsAsyncWithHttpInfo($xero_tenant_id$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\Reimbursements';
-        $request = $this->getReimbursementsRequest($xero_tenant_id, $page);
+        $request = $this->getReimbursementsRequest($xero_tenant_id$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -13464,7 +13464,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReimbursementsRequest($xero_tenant_id, $page = null)
+    protected function getReimbursementsRequest($xero_tenant_id$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -13786,9 +13786,9 @@ protected function getSettingsRequest($xero_tenant_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeductionObject
      */
-    public function getStatutoryDeduction($xero_tenant_id, $id)
+    public function getStatutoryDeduction($xero_tenant_id$id)
     {
-        list($response) = $this->getStatutoryDeductionWithHttpInfo($xero_tenant_id, $id);
+        list($response) = $this->getStatutoryDeductionWithHttpInfo($xero_tenant_id$id);
         return $response;
     }
     /**
@@ -13800,9 +13800,9 @@ public function getStatutoryDeduction($xero_tenant_id, $id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeductionObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getStatutoryDeductionWithHttpInfo($xero_tenant_id, $id)
+    public function getStatutoryDeductionWithHttpInfo($xero_tenant_id$id)
     {
-        $request = $this->getStatutoryDeductionRequest($xero_tenant_id, $id);
+        $request = $this->getStatutoryDeductionRequest($xero_tenant_id$id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -13876,9 +13876,9 @@ public function getStatutoryDeductionWithHttpInfo($xero_tenant_id, $id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getStatutoryDeductionAsync($xero_tenant_id, $id)
+    public function getStatutoryDeductionAsync($xero_tenant_id$id)
     {
-        return $this->getStatutoryDeductionAsyncWithHttpInfo($xero_tenant_id, $id)
+        return $this->getStatutoryDeductionAsyncWithHttpInfo($xero_tenant_id$id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -13892,10 +13892,10 @@ function ($response) {
      * @param  string $id Identifier for the statutory deduction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getStatutoryDeductionAsyncWithHttpInfo($xero_tenant_id, $id)
+    public function getStatutoryDeductionAsyncWithHttpInfo($xero_tenant_id$id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeductionObject';
-        $request = $this->getStatutoryDeductionRequest($xero_tenant_id, $id);
+        $request = $this->getStatutoryDeductionRequest($xero_tenant_id$id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -13935,7 +13935,7 @@ function ($exception) {
      * @param  string $id Identifier for the statutory deduction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getStatutoryDeductionRequest($xero_tenant_id, $id)
+    protected function getStatutoryDeductionRequest($xero_tenant_id$id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -14036,9 +14036,9 @@ protected function getStatutoryDeductionRequest($xero_tenant_id, $id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeductions
      */
-    public function getStatutoryDeductions($xero_tenant_id, $page = null)
+    public function getStatutoryDeductions($xero_tenant_id$page = null)
     {
-        list($response) = $this->getStatutoryDeductionsWithHttpInfo($xero_tenant_id, $page);
+        list($response) = $this->getStatutoryDeductionsWithHttpInfo($xero_tenant_id$page);
         return $response;
     }
     /**
@@ -14050,9 +14050,9 @@ public function getStatutoryDeductions($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeductions, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getStatutoryDeductionsWithHttpInfo($xero_tenant_id, $page = null)
+    public function getStatutoryDeductionsWithHttpInfo($xero_tenant_id$page = null)
     {
-        $request = $this->getStatutoryDeductionsRequest($xero_tenant_id, $page);
+        $request = $this->getStatutoryDeductionsRequest($xero_tenant_id$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -14126,9 +14126,9 @@ public function getStatutoryDeductionsWithHttpInfo($xero_tenant_id, $page = null
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getStatutoryDeductionsAsync($xero_tenant_id, $page = null)
+    public function getStatutoryDeductionsAsync($xero_tenant_id$page = null)
     {
-        return $this->getStatutoryDeductionsAsyncWithHttpInfo($xero_tenant_id, $page)
+        return $this->getStatutoryDeductionsAsyncWithHttpInfo($xero_tenant_id$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -14142,10 +14142,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getStatutoryDeductionsAsyncWithHttpInfo($xero_tenant_id, $page = null)
+    public function getStatutoryDeductionsAsyncWithHttpInfo($xero_tenant_id$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeductions';
-        $request = $this->getStatutoryDeductionsRequest($xero_tenant_id, $page);
+        $request = $this->getStatutoryDeductionsRequest($xero_tenant_id$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -14185,7 +14185,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getStatutoryDeductionsRequest($xero_tenant_id, $page = null)
+    protected function getStatutoryDeductionsRequest($xero_tenant_id$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -14276,9 +14276,9 @@ protected function getStatutoryDeductionsRequest($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\SuperannuationObject
      */
-    public function getSuperannuation($xero_tenant_id, $superannuation_id)
+    public function getSuperannuation($xero_tenant_id$superannuation_id)
     {
-        list($response) = $this->getSuperannuationWithHttpInfo($xero_tenant_id, $superannuation_id);
+        list($response) = $this->getSuperannuationWithHttpInfo($xero_tenant_id$superannuation_id);
         return $response;
     }
     /**
@@ -14290,9 +14290,9 @@ public function getSuperannuation($xero_tenant_id, $superannuation_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\SuperannuationObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getSuperannuationWithHttpInfo($xero_tenant_id, $superannuation_id)
+    public function getSuperannuationWithHttpInfo($xero_tenant_id$superannuation_id)
     {
-        $request = $this->getSuperannuationRequest($xero_tenant_id, $superannuation_id);
+        $request = $this->getSuperannuationRequest($xero_tenant_id$superannuation_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -14366,9 +14366,9 @@ public function getSuperannuationWithHttpInfo($xero_tenant_id, $superannuation_i
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getSuperannuationAsync($xero_tenant_id, $superannuation_id)
+    public function getSuperannuationAsync($xero_tenant_id$superannuation_id)
     {
-        return $this->getSuperannuationAsyncWithHttpInfo($xero_tenant_id, $superannuation_id)
+        return $this->getSuperannuationAsyncWithHttpInfo($xero_tenant_id$superannuation_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -14382,10 +14382,10 @@ function ($response) {
      * @param  string $superannuation_id Identifier for the superannuation (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getSuperannuationAsyncWithHttpInfo($xero_tenant_id, $superannuation_id)
+    public function getSuperannuationAsyncWithHttpInfo($xero_tenant_id$superannuation_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\SuperannuationObject';
-        $request = $this->getSuperannuationRequest($xero_tenant_id, $superannuation_id);
+        $request = $this->getSuperannuationRequest($xero_tenant_id$superannuation_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -14425,7 +14425,7 @@ function ($exception) {
      * @param  string $superannuation_id Identifier for the superannuation (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getSuperannuationRequest($xero_tenant_id, $superannuation_id)
+    protected function getSuperannuationRequest($xero_tenant_id$superannuation_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -14526,9 +14526,9 @@ protected function getSuperannuationRequest($xero_tenant_id, $superannuation_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\Superannuations
      */
-    public function getSuperannuations($xero_tenant_id, $page = null)
+    public function getSuperannuations($xero_tenant_id$page = null)
     {
-        list($response) = $this->getSuperannuationsWithHttpInfo($xero_tenant_id, $page);
+        list($response) = $this->getSuperannuationsWithHttpInfo($xero_tenant_id$page);
         return $response;
     }
     /**
@@ -14540,9 +14540,9 @@ public function getSuperannuations($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\Superannuations, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getSuperannuationsWithHttpInfo($xero_tenant_id, $page = null)
+    public function getSuperannuationsWithHttpInfo($xero_tenant_id$page = null)
     {
-        $request = $this->getSuperannuationsRequest($xero_tenant_id, $page);
+        $request = $this->getSuperannuationsRequest($xero_tenant_id$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -14616,9 +14616,9 @@ public function getSuperannuationsWithHttpInfo($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getSuperannuationsAsync($xero_tenant_id, $page = null)
+    public function getSuperannuationsAsync($xero_tenant_id$page = null)
     {
-        return $this->getSuperannuationsAsyncWithHttpInfo($xero_tenant_id, $page)
+        return $this->getSuperannuationsAsyncWithHttpInfo($xero_tenant_id$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -14632,10 +14632,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getSuperannuationsAsyncWithHttpInfo($xero_tenant_id, $page = null)
+    public function getSuperannuationsAsyncWithHttpInfo($xero_tenant_id$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\Superannuations';
-        $request = $this->getSuperannuationsRequest($xero_tenant_id, $page);
+        $request = $this->getSuperannuationsRequest($xero_tenant_id$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -14675,7 +14675,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getSuperannuationsRequest($xero_tenant_id, $page = null)
+    protected function getSuperannuationsRequest($xero_tenant_id$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -14766,9 +14766,9 @@ protected function getSuperannuationsRequest($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetObject
      */
-    public function getTimesheet($xero_tenant_id, $timesheet_id)
+    public function getTimesheet($xero_tenant_id$timesheet_id)
     {
-        list($response) = $this->getTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id);
+        list($response) = $this->getTimesheetWithHttpInfo($xero_tenant_id$timesheet_id);
         return $response;
     }
     /**
@@ -14780,9 +14780,9 @@ public function getTimesheet($xero_tenant_id, $timesheet_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id)
+    public function getTimesheetWithHttpInfo($xero_tenant_id$timesheet_id)
     {
-        $request = $this->getTimesheetRequest($xero_tenant_id, $timesheet_id);
+        $request = $this->getTimesheetRequest($xero_tenant_id$timesheet_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -14856,9 +14856,9 @@ public function getTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getTimesheetAsync($xero_tenant_id, $timesheet_id)
+    public function getTimesheetAsync($xero_tenant_id$timesheet_id)
     {
-        return $this->getTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
+        return $this->getTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -14872,10 +14872,10 @@ function ($response) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
+    public function getTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetObject';
-        $request = $this->getTimesheetRequest($xero_tenant_id, $timesheet_id);
+        $request = $this->getTimesheetRequest($xero_tenant_id$timesheet_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -14915,7 +14915,7 @@ function ($exception) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getTimesheetRequest($xero_tenant_id, $timesheet_id)
+    protected function getTimesheetRequest($xero_tenant_id$timesheet_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -15021,9 +15021,9 @@ protected function getTimesheetRequest($xero_tenant_id, $timesheet_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\Timesheets
      */
-    public function getTimesheets($xero_tenant_id, $page = null, $filter = null, $status = null, $start_date = null, $end_date = null, $sort = null)
+    public function getTimesheets($xero_tenant_id$page = null$filter = null$status = null$start_date = null$end_date = null$sort = null)
     {
-        list($response) = $this->getTimesheetsWithHttpInfo($xero_tenant_id, $page, $filter, $status, $start_date, $end_date, $sort);
+        list($response) = $this->getTimesheetsWithHttpInfo($xero_tenant_id$page$filter$status$start_date$end_date$sort);
         return $response;
     }
     /**
@@ -15040,9 +15040,9 @@ public function getTimesheets($xero_tenant_id, $page = null, $filter = null, $st
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\Timesheets, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getTimesheetsWithHttpInfo($xero_tenant_id, $page = null, $filter = null, $status = null, $start_date = null, $end_date = null, $sort = null)
+    public function getTimesheetsWithHttpInfo($xero_tenant_id$page = null$filter = null$status = null$start_date = null$end_date = null$sort = null)
     {
-        $request = $this->getTimesheetsRequest($xero_tenant_id, $page, $filter, $status, $start_date, $end_date, $sort);
+        $request = $this->getTimesheetsRequest($xero_tenant_id$page$filter$status$start_date$end_date$sort);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -15121,9 +15121,9 @@ public function getTimesheetsWithHttpInfo($xero_tenant_id, $page = null, $filter
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getTimesheetsAsync($xero_tenant_id, $page = null, $filter = null, $status = null, $start_date = null, $end_date = null, $sort = null)
+    public function getTimesheetsAsync($xero_tenant_id$page = null$filter = null$status = null$start_date = null$end_date = null$sort = null)
     {
-        return $this->getTimesheetsAsyncWithHttpInfo($xero_tenant_id, $page, $filter, $status, $start_date, $end_date, $sort)
+        return $this->getTimesheetsAsyncWithHttpInfo($xero_tenant_id$page$filter$status$start_date$end_date$sort)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -15142,10 +15142,10 @@ function ($response) {
      * @param  string $sort sort the order of timesheets returned. The default is based on the timesheets createdDate, sorted oldest to newest. Currently, the only other option is to reverse the order based on the timesheets startDate, sorted newest to oldest. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getTimesheetsAsyncWithHttpInfo($xero_tenant_id, $page = null, $filter = null, $status = null, $start_date = null, $end_date = null, $sort = null)
+    public function getTimesheetsAsyncWithHttpInfo($xero_tenant_id$page = null$filter = null$status = null$start_date = null$end_date = null$sort = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\Timesheets';
-        $request = $this->getTimesheetsRequest($xero_tenant_id, $page, $filter, $status, $start_date, $end_date, $sort);
+        $request = $this->getTimesheetsRequest($xero_tenant_id$page$filter$status$start_date$end_date$sort);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -15190,7 +15190,7 @@ function ($exception) {
      * @param  string $sort sort the order of timesheets returned. The default is based on the timesheets createdDate, sorted oldest to newest. Currently, the only other option is to reverse the order based on the timesheets startDate, sorted newest to oldest. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getTimesheetsRequest($xero_tenant_id, $page = null, $filter = null, $status = null, $start_date = null, $end_date = null, $sort = null)
+    protected function getTimesheetsRequest($xero_tenant_id$page = null$filter = null$status = null$start_date = null$end_date = null$sort = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -15532,9 +15532,9 @@ protected function getTrackingCategoriesRequest($xero_tenant_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function revertTimesheet($xero_tenant_id, $timesheet_id)
+    public function revertTimesheet($xero_tenant_id$timesheet_id)
     {
-        list($response) = $this->revertTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id);
+        list($response) = $this->revertTimesheetWithHttpInfo($xero_tenant_id$timesheet_id);
         return $response;
     }
     /**
@@ -15546,9 +15546,9 @@ public function revertTimesheet($xero_tenant_id, $timesheet_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function revertTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id)
+    public function revertTimesheetWithHttpInfo($xero_tenant_id$timesheet_id)
     {
-        $request = $this->revertTimesheetRequest($xero_tenant_id, $timesheet_id);
+        $request = $this->revertTimesheetRequest($xero_tenant_id$timesheet_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -15641,9 +15641,9 @@ public function revertTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function revertTimesheetAsync($xero_tenant_id, $timesheet_id)
+    public function revertTimesheetAsync($xero_tenant_id$timesheet_id)
     {
-        return $this->revertTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
+        return $this->revertTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -15657,10 +15657,10 @@ function ($response) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function revertTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
+    public function revertTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetObject';
-        $request = $this->revertTimesheetRequest($xero_tenant_id, $timesheet_id);
+        $request = $this->revertTimesheetRequest($xero_tenant_id$timesheet_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -15700,7 +15700,7 @@ function ($exception) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function revertTimesheetRequest($xero_tenant_id, $timesheet_id)
+    protected function revertTimesheetRequest($xero_tenant_id$timesheet_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -15802,9 +15802,9 @@ protected function revertTimesheetRequest($xero_tenant_id, $timesheet_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function updateEmployee($xero_tenant_id, $employee_id, $employee)
+    public function updateEmployee($xero_tenant_id$employee_id$employee)
     {
-        list($response) = $this->updateEmployeeWithHttpInfo($xero_tenant_id, $employee_id, $employee);
+        list($response) = $this->updateEmployeeWithHttpInfo($xero_tenant_id$employee_id$employee);
         return $response;
     }
     /**
@@ -15817,9 +15817,9 @@ public function updateEmployee($xero_tenant_id, $employee_id, $employee)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateEmployeeWithHttpInfo($xero_tenant_id, $employee_id, $employee)
+    public function updateEmployeeWithHttpInfo($xero_tenant_id$employee_id$employee)
     {
-        $request = $this->updateEmployeeRequest($xero_tenant_id, $employee_id, $employee);
+        $request = $this->updateEmployeeRequest($xero_tenant_id$employee_id$employee);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -15913,9 +15913,9 @@ public function updateEmployeeWithHttpInfo($xero_tenant_id, $employee_id, $emplo
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateEmployeeAsync($xero_tenant_id, $employee_id, $employee)
+    public function updateEmployeeAsync($xero_tenant_id$employee_id$employee)
     {
-        return $this->updateEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee)
+        return $this->updateEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id$employee)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -15930,10 +15930,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Employee $employee (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee)
+    public function updateEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id$employee)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeObject';
-        $request = $this->updateEmployeeRequest($xero_tenant_id, $employee_id, $employee);
+        $request = $this->updateEmployeeRequest($xero_tenant_id$employee_id$employee);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -15974,7 +15974,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Employee $employee (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateEmployeeRequest($xero_tenant_id, $employee_id, $employee)
+    protected function updateEmployeeRequest($xero_tenant_id$employee_id$employee)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -16086,9 +16086,9 @@ protected function updateEmployeeRequest($xero_tenant_id, $employee_id, $employe
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplateObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function updateEmployeeEarningsTemplate($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template)
+    public function updateEmployeeEarningsTemplate($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template)
     {
-        list($response) = $this->updateEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template);
+        list($response) = $this->updateEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template);
         return $response;
     }
     /**
@@ -16102,9 +16102,9 @@ public function updateEmployeeEarningsTemplate($xero_tenant_id, $employee_id, $p
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplateObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template)
+    public function updateEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template)
     {
-        $request = $this->updateEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template);
+        $request = $this->updateEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -16199,9 +16199,9 @@ public function updateEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $emp
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateEmployeeEarningsTemplateAsync($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template)
+    public function updateEmployeeEarningsTemplateAsync($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template)
     {
-        return $this->updateEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template)
+        return $this->updateEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -16217,10 +16217,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplate $earnings_template (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template)
+    public function updateEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplateObject';
-        $request = $this->updateEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template);
+        $request = $this->updateEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -16262,7 +16262,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplate $earnings_template (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template)
+    protected function updateEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -16388,9 +16388,9 @@ protected function updateEmployeeEarningsTemplateRequest($xero_tenant_id, $emplo
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function updateEmployeeLeave($xero_tenant_id, $employee_id, $leave_id, $employee_leave)
+    public function updateEmployeeLeave($xero_tenant_id$employee_id$leave_id$employee_leave)
     {
-        list($response) = $this->updateEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $leave_id, $employee_leave);
+        list($response) = $this->updateEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$leave_id$employee_leave);
         return $response;
     }
     /**
@@ -16404,9 +16404,9 @@ public function updateEmployeeLeave($xero_tenant_id, $employee_id, $leave_id, $e
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $leave_id, $employee_leave)
+    public function updateEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$leave_id$employee_leave)
     {
-        $request = $this->updateEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id, $employee_leave);
+        $request = $this->updateEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id$employee_leave);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -16501,9 +16501,9 @@ public function updateEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateEmployeeLeaveAsync($xero_tenant_id, $employee_id, $leave_id, $employee_leave)
+    public function updateEmployeeLeaveAsync($xero_tenant_id$employee_id$leave_id$employee_leave)
     {
-        return $this->updateEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $leave_id, $employee_leave)
+        return $this->updateEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$leave_id$employee_leave)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -16519,10 +16519,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeave $employee_leave (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $leave_id, $employee_leave)
+    public function updateEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$leave_id$employee_leave)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveObject';
-        $request = $this->updateEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id, $employee_leave);
+        $request = $this->updateEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id$employee_leave);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -16564,7 +16564,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeave $employee_leave (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id, $employee_leave)
+    protected function updateEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id$employee_leave)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -16690,9 +16690,9 @@ protected function updateEmployeeLeaveRequest($xero_tenant_id, $employee_id, $le
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWageObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function updateEmployeeSalaryAndWage($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage)
+    public function updateEmployeeSalaryAndWage($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage)
     {
-        list($response) = $this->updateEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage);
+        list($response) = $this->updateEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage);
         return $response;
     }
     /**
@@ -16706,9 +16706,9 @@ public function updateEmployeeSalaryAndWage($xero_tenant_id, $employee_id, $sala
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWageObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage)
+    public function updateEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage)
     {
-        $request = $this->updateEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage);
+        $request = $this->updateEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -16803,9 +16803,9 @@ public function updateEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employ
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateEmployeeSalaryAndWageAsync($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage)
+    public function updateEmployeeSalaryAndWageAsync($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage)
     {
-        return $this->updateEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage)
+        return $this->updateEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -16821,10 +16821,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWage $salary_and_wage (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage)
+    public function updateEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWageObject';
-        $request = $this->updateEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage);
+        $request = $this->updateEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -16866,7 +16866,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWage $salary_and_wage (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage)
+    protected function updateEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -16991,9 +16991,9 @@ protected function updateEmployeeSalaryAndWageRequest($xero_tenant_id, $employee
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeTaxObject
      */
-    public function updateEmployeeTax($xero_tenant_id, $employee_id, $employee_tax)
+    public function updateEmployeeTax($xero_tenant_id$employee_id$employee_tax)
     {
-        list($response) = $this->updateEmployeeTaxWithHttpInfo($xero_tenant_id, $employee_id, $employee_tax);
+        list($response) = $this->updateEmployeeTaxWithHttpInfo($xero_tenant_id$employee_id$employee_tax);
         return $response;
     }
     /**
@@ -17006,9 +17006,9 @@ public function updateEmployeeTax($xero_tenant_id, $employee_id, $employee_tax)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeTaxObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateEmployeeTaxWithHttpInfo($xero_tenant_id, $employee_id, $employee_tax)
+    public function updateEmployeeTaxWithHttpInfo($xero_tenant_id$employee_id$employee_tax)
     {
-        $request = $this->updateEmployeeTaxRequest($xero_tenant_id, $employee_id, $employee_tax);
+        $request = $this->updateEmployeeTaxRequest($xero_tenant_id$employee_id$employee_tax);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -17083,9 +17083,9 @@ public function updateEmployeeTaxWithHttpInfo($xero_tenant_id, $employee_id, $em
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateEmployeeTaxAsync($xero_tenant_id, $employee_id, $employee_tax)
+    public function updateEmployeeTaxAsync($xero_tenant_id$employee_id$employee_tax)
     {
-        return $this->updateEmployeeTaxAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_tax)
+        return $this->updateEmployeeTaxAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_tax)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -17100,10 +17100,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeTax $employee_tax (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateEmployeeTaxAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_tax)
+    public function updateEmployeeTaxAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_tax)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeTaxObject';
-        $request = $this->updateEmployeeTaxRequest($xero_tenant_id, $employee_id, $employee_tax);
+        $request = $this->updateEmployeeTaxRequest($xero_tenant_id$employee_id$employee_tax);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -17144,7 +17144,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeTax $employee_tax (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateEmployeeTaxRequest($xero_tenant_id, $employee_id, $employee_tax)
+    protected function updateEmployeeTaxRequest($xero_tenant_id$employee_id$employee_tax)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -17255,9 +17255,9 @@ protected function updateEmployeeTaxRequest($xero_tenant_id, $employee_id, $empl
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\PayRunObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function updatePayRun($xero_tenant_id, $pay_run_id, $pay_run)
+    public function updatePayRun($xero_tenant_id$pay_run_id$pay_run)
     {
-        list($response) = $this->updatePayRunWithHttpInfo($xero_tenant_id, $pay_run_id, $pay_run);
+        list($response) = $this->updatePayRunWithHttpInfo($xero_tenant_id$pay_run_id$pay_run);
         return $response;
     }
     /**
@@ -17270,9 +17270,9 @@ public function updatePayRun($xero_tenant_id, $pay_run_id, $pay_run)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\PayRunObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updatePayRunWithHttpInfo($xero_tenant_id, $pay_run_id, $pay_run)
+    public function updatePayRunWithHttpInfo($xero_tenant_id$pay_run_id$pay_run)
     {
-        $request = $this->updatePayRunRequest($xero_tenant_id, $pay_run_id, $pay_run);
+        $request = $this->updatePayRunRequest($xero_tenant_id$pay_run_id$pay_run);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -17366,9 +17366,9 @@ public function updatePayRunWithHttpInfo($xero_tenant_id, $pay_run_id, $pay_run)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updatePayRunAsync($xero_tenant_id, $pay_run_id, $pay_run)
+    public function updatePayRunAsync($xero_tenant_id$pay_run_id$pay_run)
     {
-        return $this->updatePayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run_id, $pay_run)
+        return $this->updatePayRunAsyncWithHttpInfo($xero_tenant_id$pay_run_id$pay_run)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -17383,10 +17383,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\PayRun $pay_run (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updatePayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run_id, $pay_run)
+    public function updatePayRunAsyncWithHttpInfo($xero_tenant_id$pay_run_id$pay_run)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\PayRunObject';
-        $request = $this->updatePayRunRequest($xero_tenant_id, $pay_run_id, $pay_run);
+        $request = $this->updatePayRunRequest($xero_tenant_id$pay_run_id$pay_run);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -17427,7 +17427,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\PayRun $pay_run (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updatePayRunRequest($xero_tenant_id, $pay_run_id, $pay_run)
+    protected function updatePayRunRequest($xero_tenant_id$pay_run_id$pay_run)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -17538,9 +17538,9 @@ protected function updatePayRunRequest($xero_tenant_id, $pay_run_id, $pay_run)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\PaySlipObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function updatePaySlipLineItems($xero_tenant_id, $pay_slip_id, $pay_slip)
+    public function updatePaySlipLineItems($xero_tenant_id$pay_slip_id$pay_slip)
     {
-        list($response) = $this->updatePaySlipLineItemsWithHttpInfo($xero_tenant_id, $pay_slip_id, $pay_slip);
+        list($response) = $this->updatePaySlipLineItemsWithHttpInfo($xero_tenant_id$pay_slip_id$pay_slip);
         return $response;
     }
     /**
@@ -17553,9 +17553,9 @@ public function updatePaySlipLineItems($xero_tenant_id, $pay_slip_id, $pay_slip)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\PaySlipObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updatePaySlipLineItemsWithHttpInfo($xero_tenant_id, $pay_slip_id, $pay_slip)
+    public function updatePaySlipLineItemsWithHttpInfo($xero_tenant_id$pay_slip_id$pay_slip)
     {
-        $request = $this->updatePaySlipLineItemsRequest($xero_tenant_id, $pay_slip_id, $pay_slip);
+        $request = $this->updatePaySlipLineItemsRequest($xero_tenant_id$pay_slip_id$pay_slip);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -17649,9 +17649,9 @@ public function updatePaySlipLineItemsWithHttpInfo($xero_tenant_id, $pay_slip_id
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updatePaySlipLineItemsAsync($xero_tenant_id, $pay_slip_id, $pay_slip)
+    public function updatePaySlipLineItemsAsync($xero_tenant_id$pay_slip_id$pay_slip)
     {
-        return $this->updatePaySlipLineItemsAsyncWithHttpInfo($xero_tenant_id, $pay_slip_id, $pay_slip)
+        return $this->updatePaySlipLineItemsAsyncWithHttpInfo($xero_tenant_id$pay_slip_id$pay_slip)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -17666,10 +17666,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\PaySlip $pay_slip (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updatePaySlipLineItemsAsyncWithHttpInfo($xero_tenant_id, $pay_slip_id, $pay_slip)
+    public function updatePaySlipLineItemsAsyncWithHttpInfo($xero_tenant_id$pay_slip_id$pay_slip)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\PaySlipObject';
-        $request = $this->updatePaySlipLineItemsRequest($xero_tenant_id, $pay_slip_id, $pay_slip);
+        $request = $this->updatePaySlipLineItemsRequest($xero_tenant_id$pay_slip_id$pay_slip);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -17710,7 +17710,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\PaySlip $pay_slip (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updatePaySlipLineItemsRequest($xero_tenant_id, $pay_slip_id, $pay_slip)
+    protected function updatePaySlipLineItemsRequest($xero_tenant_id$pay_slip_id$pay_slip)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -17822,9 +17822,9 @@ protected function updatePaySlipLineItemsRequest($xero_tenant_id, $pay_slip_id,
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLineObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function updateTimesheetLine($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line)
+    public function updateTimesheetLine($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line)
     {
-        list($response) = $this->updateTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line);
+        list($response) = $this->updateTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line);
         return $response;
     }
     /**
@@ -17838,9 +17838,9 @@ public function updateTimesheetLine($xero_tenant_id, $timesheet_id, $timesheet_l
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLineObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line)
+    public function updateTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line)
     {
-        $request = $this->updateTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line);
+        $request = $this->updateTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -17935,9 +17935,9 @@ public function updateTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id,
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateTimesheetLineAsync($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line)
+    public function updateTimesheetLineAsync($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line)
     {
-        return $this->updateTimesheetLineAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line)
+        return $this->updateTimesheetLineAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -17953,10 +17953,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine $timesheet_line (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateTimesheetLineAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line)
+    public function updateTimesheetLineAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLineObject';
-        $request = $this->updateTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line);
+        $request = $this->updateTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -17998,7 +17998,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine $timesheet_line (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line)
+    protected function updateTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
diff --git a/lib/Api/PayrollUkApi.php b/lib/Api/PayrollUkApi.php
index 78ea1aa7..3df096ba 100644
--- a/lib/Api/PayrollUkApi.php
+++ b/lib/Api/PayrollUkApi.php
@@ -14,10 +14,10 @@
  *
  * This is the Xero Payroll API for orgs in the UK region.
  *
- * OpenAPI spec version: 2.19.3
+ * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
@@ -94,9 +94,9 @@ public function getConfig()
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function approveTimesheet($xero_tenant_id, $timesheet_id)
+    public function approveTimesheet($xero_tenant_id$timesheet_id)
     {
-        list($response) = $this->approveTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id);
+        list($response) = $this->approveTimesheetWithHttpInfo($xero_tenant_id$timesheet_id);
         return $response;
     }
     /**
@@ -108,9 +108,9 @@ public function approveTimesheet($xero_tenant_id, $timesheet_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function approveTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id)
+    public function approveTimesheetWithHttpInfo($xero_tenant_id$timesheet_id)
     {
-        $request = $this->approveTimesheetRequest($xero_tenant_id, $timesheet_id);
+        $request = $this->approveTimesheetRequest($xero_tenant_id$timesheet_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -203,9 +203,9 @@ public function approveTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function approveTimesheetAsync($xero_tenant_id, $timesheet_id)
+    public function approveTimesheetAsync($xero_tenant_id$timesheet_id)
     {
-        return $this->approveTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
+        return $this->approveTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -219,10 +219,10 @@ function ($response) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function approveTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
+    public function approveTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetObject';
-        $request = $this->approveTimesheetRequest($xero_tenant_id, $timesheet_id);
+        $request = $this->approveTimesheetRequest($xero_tenant_id$timesheet_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -262,7 +262,7 @@ function ($exception) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function approveTimesheetRequest($xero_tenant_id, $timesheet_id)
+    protected function approveTimesheetRequest($xero_tenant_id$timesheet_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -363,9 +363,9 @@ protected function approveTimesheetRequest($xero_tenant_id, $timesheet_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\BenefitObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createBenefit($xero_tenant_id, $benefit)
+    public function createBenefit($xero_tenant_id$benefit)
     {
-        list($response) = $this->createBenefitWithHttpInfo($xero_tenant_id, $benefit);
+        list($response) = $this->createBenefitWithHttpInfo($xero_tenant_id$benefit);
         return $response;
     }
     /**
@@ -377,9 +377,9 @@ public function createBenefit($xero_tenant_id, $benefit)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\BenefitObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createBenefitWithHttpInfo($xero_tenant_id, $benefit)
+    public function createBenefitWithHttpInfo($xero_tenant_id$benefit)
     {
-        $request = $this->createBenefitRequest($xero_tenant_id, $benefit);
+        $request = $this->createBenefitRequest($xero_tenant_id$benefit);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -472,9 +472,9 @@ public function createBenefitWithHttpInfo($xero_tenant_id, $benefit)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createBenefitAsync($xero_tenant_id, $benefit)
+    public function createBenefitAsync($xero_tenant_id$benefit)
     {
-        return $this->createBenefitAsyncWithHttpInfo($xero_tenant_id, $benefit)
+        return $this->createBenefitAsyncWithHttpInfo($xero_tenant_id$benefit)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -488,10 +488,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Benefit $benefit (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createBenefitAsyncWithHttpInfo($xero_tenant_id, $benefit)
+    public function createBenefitAsyncWithHttpInfo($xero_tenant_id$benefit)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\BenefitObject';
-        $request = $this->createBenefitRequest($xero_tenant_id, $benefit);
+        $request = $this->createBenefitRequest($xero_tenant_id$benefit);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -531,7 +531,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Benefit $benefit (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createBenefitRequest($xero_tenant_id, $benefit)
+    protected function createBenefitRequest($xero_tenant_id$benefit)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -627,9 +627,9 @@ protected function createBenefitRequest($xero_tenant_id, $benefit)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\DeductionObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createDeduction($xero_tenant_id, $deduction)
+    public function createDeduction($xero_tenant_id$deduction)
     {
-        list($response) = $this->createDeductionWithHttpInfo($xero_tenant_id, $deduction);
+        list($response) = $this->createDeductionWithHttpInfo($xero_tenant_id$deduction);
         return $response;
     }
     /**
@@ -641,9 +641,9 @@ public function createDeduction($xero_tenant_id, $deduction)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\DeductionObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createDeductionWithHttpInfo($xero_tenant_id, $deduction)
+    public function createDeductionWithHttpInfo($xero_tenant_id$deduction)
     {
-        $request = $this->createDeductionRequest($xero_tenant_id, $deduction);
+        $request = $this->createDeductionRequest($xero_tenant_id$deduction);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -736,9 +736,9 @@ public function createDeductionWithHttpInfo($xero_tenant_id, $deduction)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createDeductionAsync($xero_tenant_id, $deduction)
+    public function createDeductionAsync($xero_tenant_id$deduction)
     {
-        return $this->createDeductionAsyncWithHttpInfo($xero_tenant_id, $deduction)
+        return $this->createDeductionAsyncWithHttpInfo($xero_tenant_id$deduction)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -752,10 +752,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Deduction $deduction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createDeductionAsyncWithHttpInfo($xero_tenant_id, $deduction)
+    public function createDeductionAsyncWithHttpInfo($xero_tenant_id$deduction)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\DeductionObject';
-        $request = $this->createDeductionRequest($xero_tenant_id, $deduction);
+        $request = $this->createDeductionRequest($xero_tenant_id$deduction);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -795,7 +795,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Deduction $deduction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createDeductionRequest($xero_tenant_id, $deduction)
+    protected function createDeductionRequest($xero_tenant_id$deduction)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -891,9 +891,9 @@ protected function createDeductionRequest($xero_tenant_id, $deduction)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EarningsRateObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createEarningsRate($xero_tenant_id, $earnings_rate)
+    public function createEarningsRate($xero_tenant_id$earnings_rate)
     {
-        list($response) = $this->createEarningsRateWithHttpInfo($xero_tenant_id, $earnings_rate);
+        list($response) = $this->createEarningsRateWithHttpInfo($xero_tenant_id$earnings_rate);
         return $response;
     }
     /**
@@ -905,9 +905,9 @@ public function createEarningsRate($xero_tenant_id, $earnings_rate)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EarningsRateObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEarningsRateWithHttpInfo($xero_tenant_id, $earnings_rate)
+    public function createEarningsRateWithHttpInfo($xero_tenant_id$earnings_rate)
     {
-        $request = $this->createEarningsRateRequest($xero_tenant_id, $earnings_rate);
+        $request = $this->createEarningsRateRequest($xero_tenant_id$earnings_rate);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1000,9 +1000,9 @@ public function createEarningsRateWithHttpInfo($xero_tenant_id, $earnings_rate)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEarningsRateAsync($xero_tenant_id, $earnings_rate)
+    public function createEarningsRateAsync($xero_tenant_id$earnings_rate)
     {
-        return $this->createEarningsRateAsyncWithHttpInfo($xero_tenant_id, $earnings_rate)
+        return $this->createEarningsRateAsyncWithHttpInfo($xero_tenant_id$earnings_rate)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1016,10 +1016,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EarningsRate $earnings_rate (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEarningsRateAsyncWithHttpInfo($xero_tenant_id, $earnings_rate)
+    public function createEarningsRateAsyncWithHttpInfo($xero_tenant_id$earnings_rate)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsRateObject';
-        $request = $this->createEarningsRateRequest($xero_tenant_id, $earnings_rate);
+        $request = $this->createEarningsRateRequest($xero_tenant_id$earnings_rate);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1059,7 +1059,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EarningsRate $earnings_rate (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEarningsRateRequest($xero_tenant_id, $earnings_rate)
+    protected function createEarningsRateRequest($xero_tenant_id$earnings_rate)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1155,9 +1155,9 @@ protected function createEarningsRateRequest($xero_tenant_id, $earnings_rate)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createEmployee($xero_tenant_id, $employee)
+    public function createEmployee($xero_tenant_id$employee)
     {
-        list($response) = $this->createEmployeeWithHttpInfo($xero_tenant_id, $employee);
+        list($response) = $this->createEmployeeWithHttpInfo($xero_tenant_id$employee);
         return $response;
     }
     /**
@@ -1169,9 +1169,9 @@ public function createEmployee($xero_tenant_id, $employee)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeWithHttpInfo($xero_tenant_id, $employee)
+    public function createEmployeeWithHttpInfo($xero_tenant_id$employee)
     {
-        $request = $this->createEmployeeRequest($xero_tenant_id, $employee);
+        $request = $this->createEmployeeRequest($xero_tenant_id$employee);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1264,9 +1264,9 @@ public function createEmployeeWithHttpInfo($xero_tenant_id, $employee)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeAsync($xero_tenant_id, $employee)
+    public function createEmployeeAsync($xero_tenant_id$employee)
     {
-        return $this->createEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee)
+        return $this->createEmployeeAsyncWithHttpInfo($xero_tenant_id$employee)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1280,10 +1280,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Employee $employee (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee)
+    public function createEmployeeAsyncWithHttpInfo($xero_tenant_id$employee)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeObject';
-        $request = $this->createEmployeeRequest($xero_tenant_id, $employee);
+        $request = $this->createEmployeeRequest($xero_tenant_id$employee);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1323,7 +1323,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Employee $employee (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeRequest($xero_tenant_id, $employee)
+    protected function createEmployeeRequest($xero_tenant_id$employee)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1420,9 +1420,9 @@ protected function createEmployeeRequest($xero_tenant_id, $employee)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplateObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createEmployeeEarningsTemplate($xero_tenant_id, $employee_id, $earnings_template)
+    public function createEmployeeEarningsTemplate($xero_tenant_id$employee_id$earnings_template)
     {
-        list($response) = $this->createEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template);
+        list($response) = $this->createEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$earnings_template);
         return $response;
     }
     /**
@@ -1435,9 +1435,9 @@ public function createEmployeeEarningsTemplate($xero_tenant_id, $employee_id, $e
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplateObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template)
+    public function createEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$earnings_template)
     {
-        $request = $this->createEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $earnings_template);
+        $request = $this->createEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$earnings_template);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1531,9 +1531,9 @@ public function createEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $emp
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeEarningsTemplateAsync($xero_tenant_id, $employee_id, $earnings_template)
+    public function createEmployeeEarningsTemplateAsync($xero_tenant_id$employee_id$earnings_template)
     {
-        return $this->createEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template)
+        return $this->createEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$earnings_template)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1548,10 +1548,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplate $earnings_template (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template)
+    public function createEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$earnings_template)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplateObject';
-        $request = $this->createEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $earnings_template);
+        $request = $this->createEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$earnings_template);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1592,7 +1592,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplate $earnings_template (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $earnings_template)
+    protected function createEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$earnings_template)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1703,9 +1703,9 @@ protected function createEmployeeEarningsTemplateRequest($xero_tenant_id, $emplo
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createEmployeeLeave($xero_tenant_id, $employee_id, $employee_leave)
+    public function createEmployeeLeave($xero_tenant_id$employee_id$employee_leave)
     {
-        list($response) = $this->createEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave);
+        list($response) = $this->createEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$employee_leave);
         return $response;
     }
     /**
@@ -1718,9 +1718,9 @@ public function createEmployeeLeave($xero_tenant_id, $employee_id, $employee_lea
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave)
+    public function createEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$employee_leave)
     {
-        $request = $this->createEmployeeLeaveRequest($xero_tenant_id, $employee_id, $employee_leave);
+        $request = $this->createEmployeeLeaveRequest($xero_tenant_id$employee_id$employee_leave);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1814,9 +1814,9 @@ public function createEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeLeaveAsync($xero_tenant_id, $employee_id, $employee_leave)
+    public function createEmployeeLeaveAsync($xero_tenant_id$employee_id$employee_leave)
     {
-        return $this->createEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave)
+        return $this->createEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_leave)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1831,10 +1831,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeave $employee_leave (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave)
+    public function createEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_leave)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveObject';
-        $request = $this->createEmployeeLeaveRequest($xero_tenant_id, $employee_id, $employee_leave);
+        $request = $this->createEmployeeLeaveRequest($xero_tenant_id$employee_id$employee_leave);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1875,7 +1875,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeave $employee_leave (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeLeaveRequest($xero_tenant_id, $employee_id, $employee_leave)
+    protected function createEmployeeLeaveRequest($xero_tenant_id$employee_id$employee_leave)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1986,9 +1986,9 @@ protected function createEmployeeLeaveRequest($xero_tenant_id, $employee_id, $em
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveTypeObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createEmployeeLeaveType($xero_tenant_id, $employee_id, $employee_leave_type)
+    public function createEmployeeLeaveType($xero_tenant_id$employee_id$employee_leave_type)
     {
-        list($response) = $this->createEmployeeLeaveTypeWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave_type);
+        list($response) = $this->createEmployeeLeaveTypeWithHttpInfo($xero_tenant_id$employee_id$employee_leave_type);
         return $response;
     }
     /**
@@ -2001,9 +2001,9 @@ public function createEmployeeLeaveType($xero_tenant_id, $employee_id, $employee
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveTypeObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeLeaveTypeWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave_type)
+    public function createEmployeeLeaveTypeWithHttpInfo($xero_tenant_id$employee_id$employee_leave_type)
     {
-        $request = $this->createEmployeeLeaveTypeRequest($xero_tenant_id, $employee_id, $employee_leave_type);
+        $request = $this->createEmployeeLeaveTypeRequest($xero_tenant_id$employee_id$employee_leave_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2097,9 +2097,9 @@ public function createEmployeeLeaveTypeWithHttpInfo($xero_tenant_id, $employee_i
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeLeaveTypeAsync($xero_tenant_id, $employee_id, $employee_leave_type)
+    public function createEmployeeLeaveTypeAsync($xero_tenant_id$employee_id$employee_leave_type)
     {
-        return $this->createEmployeeLeaveTypeAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave_type)
+        return $this->createEmployeeLeaveTypeAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_leave_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2114,10 +2114,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveType $employee_leave_type (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeLeaveTypeAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave_type)
+    public function createEmployeeLeaveTypeAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_leave_type)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveTypeObject';
-        $request = $this->createEmployeeLeaveTypeRequest($xero_tenant_id, $employee_id, $employee_leave_type);
+        $request = $this->createEmployeeLeaveTypeRequest($xero_tenant_id$employee_id$employee_leave_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2158,7 +2158,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveType $employee_leave_type (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeLeaveTypeRequest($xero_tenant_id, $employee_id, $employee_leave_type)
+    protected function createEmployeeLeaveTypeRequest($xero_tenant_id$employee_id$employee_leave_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2269,9 +2269,9 @@ protected function createEmployeeLeaveTypeRequest($xero_tenant_id, $employee_id,
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalancesObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createEmployeeOpeningBalances($xero_tenant_id, $employee_id, $employee_opening_balances)
+    public function createEmployeeOpeningBalances($xero_tenant_id$employee_id$employee_opening_balances)
     {
-        list($response) = $this->createEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id, $employee_id, $employee_opening_balances);
+        list($response) = $this->createEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id$employee_id$employee_opening_balances);
         return $response;
     }
     /**
@@ -2284,9 +2284,9 @@ public function createEmployeeOpeningBalances($xero_tenant_id, $employee_id, $em
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalancesObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id, $employee_id, $employee_opening_balances)
+    public function createEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id$employee_id$employee_opening_balances)
     {
-        $request = $this->createEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id, $employee_opening_balances);
+        $request = $this->createEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id$employee_opening_balances);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2380,9 +2380,9 @@ public function createEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id, $empl
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeOpeningBalancesAsync($xero_tenant_id, $employee_id, $employee_opening_balances)
+    public function createEmployeeOpeningBalancesAsync($xero_tenant_id$employee_id$employee_opening_balances)
     {
-        return $this->createEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_opening_balances)
+        return $this->createEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_opening_balances)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2397,10 +2397,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalances $employee_opening_balances (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_opening_balances)
+    public function createEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_opening_balances)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalancesObject';
-        $request = $this->createEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id, $employee_opening_balances);
+        $request = $this->createEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id$employee_opening_balances);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2441,7 +2441,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalances $employee_opening_balances (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id, $employee_opening_balances)
+    protected function createEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id$employee_opening_balances)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2552,9 +2552,9 @@ protected function createEmployeeOpeningBalancesRequest($xero_tenant_id, $employ
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\PaymentMethodObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createEmployeePaymentMethod($xero_tenant_id, $employee_id, $payment_method)
+    public function createEmployeePaymentMethod($xero_tenant_id$employee_id$payment_method)
     {
-        list($response) = $this->createEmployeePaymentMethodWithHttpInfo($xero_tenant_id, $employee_id, $payment_method);
+        list($response) = $this->createEmployeePaymentMethodWithHttpInfo($xero_tenant_id$employee_id$payment_method);
         return $response;
     }
     /**
@@ -2567,9 +2567,9 @@ public function createEmployeePaymentMethod($xero_tenant_id, $employee_id, $paym
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\PaymentMethodObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeePaymentMethodWithHttpInfo($xero_tenant_id, $employee_id, $payment_method)
+    public function createEmployeePaymentMethodWithHttpInfo($xero_tenant_id$employee_id$payment_method)
     {
-        $request = $this->createEmployeePaymentMethodRequest($xero_tenant_id, $employee_id, $payment_method);
+        $request = $this->createEmployeePaymentMethodRequest($xero_tenant_id$employee_id$payment_method);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2663,9 +2663,9 @@ public function createEmployeePaymentMethodWithHttpInfo($xero_tenant_id, $employ
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeePaymentMethodAsync($xero_tenant_id, $employee_id, $payment_method)
+    public function createEmployeePaymentMethodAsync($xero_tenant_id$employee_id$payment_method)
     {
-        return $this->createEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id, $employee_id, $payment_method)
+        return $this->createEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id$employee_id$payment_method)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2680,10 +2680,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\PaymentMethod $payment_method (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id, $employee_id, $payment_method)
+    public function createEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id$employee_id$payment_method)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\PaymentMethodObject';
-        $request = $this->createEmployeePaymentMethodRequest($xero_tenant_id, $employee_id, $payment_method);
+        $request = $this->createEmployeePaymentMethodRequest($xero_tenant_id$employee_id$payment_method);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2724,7 +2724,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\PaymentMethod $payment_method (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeePaymentMethodRequest($xero_tenant_id, $employee_id, $payment_method)
+    protected function createEmployeePaymentMethodRequest($xero_tenant_id$employee_id$payment_method)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2835,9 +2835,9 @@ protected function createEmployeePaymentMethodRequest($xero_tenant_id, $employee
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWageObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createEmployeeSalaryAndWage($xero_tenant_id, $employee_id, $salary_and_wage)
+    public function createEmployeeSalaryAndWage($xero_tenant_id$employee_id$salary_and_wage)
     {
-        list($response) = $this->createEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wage);
+        list($response) = $this->createEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wage);
         return $response;
     }
     /**
@@ -2850,9 +2850,9 @@ public function createEmployeeSalaryAndWage($xero_tenant_id, $employee_id, $sala
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWageObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wage)
+    public function createEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wage)
     {
-        $request = $this->createEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wage);
+        $request = $this->createEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wage);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2946,9 +2946,9 @@ public function createEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employ
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeSalaryAndWageAsync($xero_tenant_id, $employee_id, $salary_and_wage)
+    public function createEmployeeSalaryAndWageAsync($xero_tenant_id$employee_id$salary_and_wage)
     {
-        return $this->createEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wage)
+        return $this->createEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wage)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2963,10 +2963,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWage $salary_and_wage (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wage)
+    public function createEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wage)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWageObject';
-        $request = $this->createEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wage);
+        $request = $this->createEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wage);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3007,7 +3007,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWage $salary_and_wage (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wage)
+    protected function createEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wage)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3117,9 +3117,9 @@ protected function createEmployeeSalaryAndWageRequest($xero_tenant_id, $employee
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutorySickLeaveObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createEmployeeStatutorySickLeave($xero_tenant_id, $employee_statutory_sick_leave)
+    public function createEmployeeStatutorySickLeave($xero_tenant_id$employee_statutory_sick_leave)
     {
-        list($response) = $this->createEmployeeStatutorySickLeaveWithHttpInfo($xero_tenant_id, $employee_statutory_sick_leave);
+        list($response) = $this->createEmployeeStatutorySickLeaveWithHttpInfo($xero_tenant_id$employee_statutory_sick_leave);
         return $response;
     }
     /**
@@ -3131,9 +3131,9 @@ public function createEmployeeStatutorySickLeave($xero_tenant_id, $employee_stat
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutorySickLeaveObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeStatutorySickLeaveWithHttpInfo($xero_tenant_id, $employee_statutory_sick_leave)
+    public function createEmployeeStatutorySickLeaveWithHttpInfo($xero_tenant_id$employee_statutory_sick_leave)
     {
-        $request = $this->createEmployeeStatutorySickLeaveRequest($xero_tenant_id, $employee_statutory_sick_leave);
+        $request = $this->createEmployeeStatutorySickLeaveRequest($xero_tenant_id$employee_statutory_sick_leave);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3226,9 +3226,9 @@ public function createEmployeeStatutorySickLeaveWithHttpInfo($xero_tenant_id, $e
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeStatutorySickLeaveAsync($xero_tenant_id, $employee_statutory_sick_leave)
+    public function createEmployeeStatutorySickLeaveAsync($xero_tenant_id$employee_statutory_sick_leave)
     {
-        return $this->createEmployeeStatutorySickLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_statutory_sick_leave)
+        return $this->createEmployeeStatutorySickLeaveAsyncWithHttpInfo($xero_tenant_id$employee_statutory_sick_leave)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3242,10 +3242,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutorySickLeave $employee_statutory_sick_leave (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeStatutorySickLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_statutory_sick_leave)
+    public function createEmployeeStatutorySickLeaveAsyncWithHttpInfo($xero_tenant_id$employee_statutory_sick_leave)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutorySickLeaveObject';
-        $request = $this->createEmployeeStatutorySickLeaveRequest($xero_tenant_id, $employee_statutory_sick_leave);
+        $request = $this->createEmployeeStatutorySickLeaveRequest($xero_tenant_id$employee_statutory_sick_leave);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3285,7 +3285,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutorySickLeave $employee_statutory_sick_leave (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeStatutorySickLeaveRequest($xero_tenant_id, $employee_statutory_sick_leave)
+    protected function createEmployeeStatutorySickLeaveRequest($xero_tenant_id$employee_statutory_sick_leave)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3382,9 +3382,9 @@ protected function createEmployeeStatutorySickLeaveRequest($xero_tenant_id, $emp
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmploymentObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createEmployment($xero_tenant_id, $employee_id, $employment)
+    public function createEmployment($xero_tenant_id$employee_id$employment)
     {
-        list($response) = $this->createEmploymentWithHttpInfo($xero_tenant_id, $employee_id, $employment);
+        list($response) = $this->createEmploymentWithHttpInfo($xero_tenant_id$employee_id$employment);
         return $response;
     }
     /**
@@ -3397,9 +3397,9 @@ public function createEmployment($xero_tenant_id, $employee_id, $employment)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmploymentObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmploymentWithHttpInfo($xero_tenant_id, $employee_id, $employment)
+    public function createEmploymentWithHttpInfo($xero_tenant_id$employee_id$employment)
     {
-        $request = $this->createEmploymentRequest($xero_tenant_id, $employee_id, $employment);
+        $request = $this->createEmploymentRequest($xero_tenant_id$employee_id$employment);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3493,9 +3493,9 @@ public function createEmploymentWithHttpInfo($xero_tenant_id, $employee_id, $emp
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmploymentAsync($xero_tenant_id, $employee_id, $employment)
+    public function createEmploymentAsync($xero_tenant_id$employee_id$employment)
     {
-        return $this->createEmploymentAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employment)
+        return $this->createEmploymentAsyncWithHttpInfo($xero_tenant_id$employee_id$employment)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3510,10 +3510,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Employment $employment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmploymentAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employment)
+    public function createEmploymentAsyncWithHttpInfo($xero_tenant_id$employee_id$employment)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmploymentObject';
-        $request = $this->createEmploymentRequest($xero_tenant_id, $employee_id, $employment);
+        $request = $this->createEmploymentRequest($xero_tenant_id$employee_id$employment);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3554,7 +3554,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Employment $employment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmploymentRequest($xero_tenant_id, $employee_id, $employment)
+    protected function createEmploymentRequest($xero_tenant_id$employee_id$employment)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3664,9 +3664,9 @@ protected function createEmploymentRequest($xero_tenant_id, $employee_id, $emplo
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\LeaveTypeObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createLeaveType($xero_tenant_id, $leave_type)
+    public function createLeaveType($xero_tenant_id$leave_type)
     {
-        list($response) = $this->createLeaveTypeWithHttpInfo($xero_tenant_id, $leave_type);
+        list($response) = $this->createLeaveTypeWithHttpInfo($xero_tenant_id$leave_type);
         return $response;
     }
     /**
@@ -3678,9 +3678,9 @@ public function createLeaveType($xero_tenant_id, $leave_type)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\LeaveTypeObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createLeaveTypeWithHttpInfo($xero_tenant_id, $leave_type)
+    public function createLeaveTypeWithHttpInfo($xero_tenant_id$leave_type)
     {
-        $request = $this->createLeaveTypeRequest($xero_tenant_id, $leave_type);
+        $request = $this->createLeaveTypeRequest($xero_tenant_id$leave_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3773,9 +3773,9 @@ public function createLeaveTypeWithHttpInfo($xero_tenant_id, $leave_type)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createLeaveTypeAsync($xero_tenant_id, $leave_type)
+    public function createLeaveTypeAsync($xero_tenant_id$leave_type)
     {
-        return $this->createLeaveTypeAsyncWithHttpInfo($xero_tenant_id, $leave_type)
+        return $this->createLeaveTypeAsyncWithHttpInfo($xero_tenant_id$leave_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3789,10 +3789,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\LeaveType $leave_type (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createLeaveTypeAsyncWithHttpInfo($xero_tenant_id, $leave_type)
+    public function createLeaveTypeAsyncWithHttpInfo($xero_tenant_id$leave_type)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\LeaveTypeObject';
-        $request = $this->createLeaveTypeRequest($xero_tenant_id, $leave_type);
+        $request = $this->createLeaveTypeRequest($xero_tenant_id$leave_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3832,7 +3832,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\LeaveType $leave_type (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createLeaveTypeRequest($xero_tenant_id, $leave_type)
+    protected function createLeaveTypeRequest($xero_tenant_id$leave_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3929,9 +3929,9 @@ protected function createLeaveTypeRequest($xero_tenant_id, $leave_type)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeePayTemplates|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createMultipleEmployeeEarningsTemplate($xero_tenant_id, $employee_id, $earnings_template)
+    public function createMultipleEmployeeEarningsTemplate($xero_tenant_id$employee_id$earnings_template)
     {
-        list($response) = $this->createMultipleEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template);
+        list($response) = $this->createMultipleEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$earnings_template);
         return $response;
     }
     /**
@@ -3944,9 +3944,9 @@ public function createMultipleEmployeeEarningsTemplate($xero_tenant_id, $employe
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeePayTemplates|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createMultipleEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template)
+    public function createMultipleEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$earnings_template)
     {
-        $request = $this->createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $earnings_template);
+        $request = $this->createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$earnings_template);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4040,9 +4040,9 @@ public function createMultipleEmployeeEarningsTemplateWithHttpInfo($xero_tenant_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createMultipleEmployeeEarningsTemplateAsync($xero_tenant_id, $employee_id, $earnings_template)
+    public function createMultipleEmployeeEarningsTemplateAsync($xero_tenant_id$employee_id$earnings_template)
     {
-        return $this->createMultipleEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template)
+        return $this->createMultipleEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$earnings_template)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4057,10 +4057,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplate[] $earnings_template (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createMultipleEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template)
+    public function createMultipleEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$earnings_template)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeePayTemplates';
-        $request = $this->createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $earnings_template);
+        $request = $this->createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$earnings_template);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4101,7 +4101,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplate[] $earnings_template (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $earnings_template)
+    protected function createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$earnings_template)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4211,9 +4211,9 @@ protected function createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendarObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createPayRunCalendar($xero_tenant_id, $pay_run_calendar)
+    public function createPayRunCalendar($xero_tenant_id$pay_run_calendar)
     {
-        list($response) = $this->createPayRunCalendarWithHttpInfo($xero_tenant_id, $pay_run_calendar);
+        list($response) = $this->createPayRunCalendarWithHttpInfo($xero_tenant_id$pay_run_calendar);
         return $response;
     }
     /**
@@ -4225,9 +4225,9 @@ public function createPayRunCalendar($xero_tenant_id, $pay_run_calendar)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendarObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPayRunCalendarWithHttpInfo($xero_tenant_id, $pay_run_calendar)
+    public function createPayRunCalendarWithHttpInfo($xero_tenant_id$pay_run_calendar)
     {
-        $request = $this->createPayRunCalendarRequest($xero_tenant_id, $pay_run_calendar);
+        $request = $this->createPayRunCalendarRequest($xero_tenant_id$pay_run_calendar);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4320,9 +4320,9 @@ public function createPayRunCalendarWithHttpInfo($xero_tenant_id, $pay_run_calen
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPayRunCalendarAsync($xero_tenant_id, $pay_run_calendar)
+    public function createPayRunCalendarAsync($xero_tenant_id$pay_run_calendar)
     {
-        return $this->createPayRunCalendarAsyncWithHttpInfo($xero_tenant_id, $pay_run_calendar)
+        return $this->createPayRunCalendarAsyncWithHttpInfo($xero_tenant_id$pay_run_calendar)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4336,10 +4336,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendar $pay_run_calendar (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPayRunCalendarAsyncWithHttpInfo($xero_tenant_id, $pay_run_calendar)
+    public function createPayRunCalendarAsyncWithHttpInfo($xero_tenant_id$pay_run_calendar)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendarObject';
-        $request = $this->createPayRunCalendarRequest($xero_tenant_id, $pay_run_calendar);
+        $request = $this->createPayRunCalendarRequest($xero_tenant_id$pay_run_calendar);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4379,7 +4379,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendar $pay_run_calendar (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPayRunCalendarRequest($xero_tenant_id, $pay_run_calendar)
+    protected function createPayRunCalendarRequest($xero_tenant_id$pay_run_calendar)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4475,9 +4475,9 @@ protected function createPayRunCalendarRequest($xero_tenant_id, $pay_run_calenda
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\ReimbursementObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createReimbursement($xero_tenant_id, $reimbursement)
+    public function createReimbursement($xero_tenant_id$reimbursement)
     {
-        list($response) = $this->createReimbursementWithHttpInfo($xero_tenant_id, $reimbursement);
+        list($response) = $this->createReimbursementWithHttpInfo($xero_tenant_id$reimbursement);
         return $response;
     }
     /**
@@ -4489,9 +4489,9 @@ public function createReimbursement($xero_tenant_id, $reimbursement)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\ReimbursementObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createReimbursementWithHttpInfo($xero_tenant_id, $reimbursement)
+    public function createReimbursementWithHttpInfo($xero_tenant_id$reimbursement)
     {
-        $request = $this->createReimbursementRequest($xero_tenant_id, $reimbursement);
+        $request = $this->createReimbursementRequest($xero_tenant_id$reimbursement);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4584,9 +4584,9 @@ public function createReimbursementWithHttpInfo($xero_tenant_id, $reimbursement)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createReimbursementAsync($xero_tenant_id, $reimbursement)
+    public function createReimbursementAsync($xero_tenant_id$reimbursement)
     {
-        return $this->createReimbursementAsyncWithHttpInfo($xero_tenant_id, $reimbursement)
+        return $this->createReimbursementAsyncWithHttpInfo($xero_tenant_id$reimbursement)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4600,10 +4600,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Reimbursement $reimbursement (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createReimbursementAsyncWithHttpInfo($xero_tenant_id, $reimbursement)
+    public function createReimbursementAsyncWithHttpInfo($xero_tenant_id$reimbursement)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\ReimbursementObject';
-        $request = $this->createReimbursementRequest($xero_tenant_id, $reimbursement);
+        $request = $this->createReimbursementRequest($xero_tenant_id$reimbursement);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4643,7 +4643,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Reimbursement $reimbursement (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createReimbursementRequest($xero_tenant_id, $reimbursement)
+    protected function createReimbursementRequest($xero_tenant_id$reimbursement)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4739,9 +4739,9 @@ protected function createReimbursementRequest($xero_tenant_id, $reimbursement)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createTimesheet($xero_tenant_id, $timesheet)
+    public function createTimesheet($xero_tenant_id$timesheet)
     {
-        list($response) = $this->createTimesheetWithHttpInfo($xero_tenant_id, $timesheet);
+        list($response) = $this->createTimesheetWithHttpInfo($xero_tenant_id$timesheet);
         return $response;
     }
     /**
@@ -4753,9 +4753,9 @@ public function createTimesheet($xero_tenant_id, $timesheet)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createTimesheetWithHttpInfo($xero_tenant_id, $timesheet)
+    public function createTimesheetWithHttpInfo($xero_tenant_id$timesheet)
     {
-        $request = $this->createTimesheetRequest($xero_tenant_id, $timesheet);
+        $request = $this->createTimesheetRequest($xero_tenant_id$timesheet);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4848,9 +4848,9 @@ public function createTimesheetWithHttpInfo($xero_tenant_id, $timesheet)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createTimesheetAsync($xero_tenant_id, $timesheet)
+    public function createTimesheetAsync($xero_tenant_id$timesheet)
     {
-        return $this->createTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet)
+        return $this->createTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4864,10 +4864,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Timesheet $timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet)
+    public function createTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetObject';
-        $request = $this->createTimesheetRequest($xero_tenant_id, $timesheet);
+        $request = $this->createTimesheetRequest($xero_tenant_id$timesheet);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4907,7 +4907,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Timesheet $timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createTimesheetRequest($xero_tenant_id, $timesheet)
+    protected function createTimesheetRequest($xero_tenant_id$timesheet)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5004,9 +5004,9 @@ protected function createTimesheetRequest($xero_tenant_id, $timesheet)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLineObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createTimesheetLine($xero_tenant_id, $timesheet_id, $timesheet_line)
+    public function createTimesheetLine($xero_tenant_id$timesheet_id$timesheet_line)
     {
-        list($response) = $this->createTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line);
+        list($response) = $this->createTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line);
         return $response;
     }
     /**
@@ -5019,9 +5019,9 @@ public function createTimesheetLine($xero_tenant_id, $timesheet_id, $timesheet_l
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLineObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line)
+    public function createTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line)
     {
-        $request = $this->createTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line);
+        $request = $this->createTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5115,9 +5115,9 @@ public function createTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id,
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createTimesheetLineAsync($xero_tenant_id, $timesheet_id, $timesheet_line)
+    public function createTimesheetLineAsync($xero_tenant_id$timesheet_id$timesheet_line)
     {
-        return $this->createTimesheetLineAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line)
+        return $this->createTimesheetLineAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5132,10 +5132,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine $timesheet_line (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createTimesheetLineAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line)
+    public function createTimesheetLineAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLineObject';
-        $request = $this->createTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line);
+        $request = $this->createTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5176,7 +5176,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine $timesheet_line (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line)
+    protected function createTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5287,9 +5287,9 @@ protected function createTimesheetLineRequest($xero_tenant_id, $timesheet_id, $t
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function deleteEmployeeEarningsTemplate($xero_tenant_id, $employee_id, $pay_template_earning_id)
+    public function deleteEmployeeEarningsTemplate($xero_tenant_id$employee_id$pay_template_earning_id)
     {
-        $this->deleteEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id);
+        $this->deleteEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id);
     }
     /**
      * Operation deleteEmployeeEarningsTemplateWithHttpInfo
@@ -5301,9 +5301,9 @@ public function deleteEmployeeEarningsTemplate($xero_tenant_id, $employee_id, $p
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id)
+    public function deleteEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id)
     {
-        $request = $this->deleteEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $pay_template_earning_id);
+        $request = $this->deleteEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$pay_template_earning_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5345,9 +5345,9 @@ public function deleteEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $emp
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteEmployeeEarningsTemplateAsync($xero_tenant_id, $employee_id, $pay_template_earning_id)
+    public function deleteEmployeeEarningsTemplateAsync($xero_tenant_id$employee_id$pay_template_earning_id)
     {
-        return $this->deleteEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id)
+        return $this->deleteEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5362,10 +5362,10 @@ function ($response) {
      * @param  string $pay_template_earning_id Id for single pay template earnings object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id)
+    public function deleteEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id)
     {
         $returnType = '';
-        $request = $this->deleteEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $pay_template_earning_id);
+        $request = $this->deleteEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$pay_template_earning_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5396,7 +5396,7 @@ function ($exception) {
      * @param  string $pay_template_earning_id Id for single pay template earnings object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $pay_template_earning_id)
+    protected function deleteEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$pay_template_earning_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5512,9 +5512,9 @@ protected function deleteEmployeeEarningsTemplateRequest($xero_tenant_id, $emplo
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveObject
      */
-    public function deleteEmployeeLeave($xero_tenant_id, $employee_id, $leave_id)
+    public function deleteEmployeeLeave($xero_tenant_id$employee_id$leave_id)
     {
-        list($response) = $this->deleteEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $leave_id);
+        list($response) = $this->deleteEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$leave_id);
         return $response;
     }
     /**
@@ -5527,9 +5527,9 @@ public function deleteEmployeeLeave($xero_tenant_id, $employee_id, $leave_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $leave_id)
+    public function deleteEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$leave_id)
     {
-        $request = $this->deleteEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id);
+        $request = $this->deleteEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5604,9 +5604,9 @@ public function deleteEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteEmployeeLeaveAsync($xero_tenant_id, $employee_id, $leave_id)
+    public function deleteEmployeeLeaveAsync($xero_tenant_id$employee_id$leave_id)
     {
-        return $this->deleteEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $leave_id)
+        return $this->deleteEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$leave_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5621,10 +5621,10 @@ function ($response) {
      * @param  string $leave_id Leave id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $leave_id)
+    public function deleteEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$leave_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveObject';
-        $request = $this->deleteEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id);
+        $request = $this->deleteEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5665,7 +5665,7 @@ function ($exception) {
      * @param  string $leave_id Leave id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id)
+    protected function deleteEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5781,9 +5781,9 @@ protected function deleteEmployeeLeaveRequest($xero_tenant_id, $employee_id, $le
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function deleteEmployeeSalaryAndWage($xero_tenant_id, $employee_id, $salary_and_wages_id)
+    public function deleteEmployeeSalaryAndWage($xero_tenant_id$employee_id$salary_and_wages_id)
     {
-        $this->deleteEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id);
+        $this->deleteEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id);
     }
     /**
      * Operation deleteEmployeeSalaryAndWageWithHttpInfo
@@ -5795,9 +5795,9 @@ public function deleteEmployeeSalaryAndWage($xero_tenant_id, $employee_id, $sala
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id)
+    public function deleteEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id)
     {
-        $request = $this->deleteEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id);
+        $request = $this->deleteEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5839,9 +5839,9 @@ public function deleteEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employ
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteEmployeeSalaryAndWageAsync($xero_tenant_id, $employee_id, $salary_and_wages_id)
+    public function deleteEmployeeSalaryAndWageAsync($xero_tenant_id$employee_id$salary_and_wages_id)
     {
-        return $this->deleteEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id)
+        return $this->deleteEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5856,10 +5856,10 @@ function ($response) {
      * @param  string $salary_and_wages_id Id for single salary and wages object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id)
+    public function deleteEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id)
     {
         $returnType = '';
-        $request = $this->deleteEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id);
+        $request = $this->deleteEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5890,7 +5890,7 @@ function ($exception) {
      * @param  string $salary_and_wages_id Id for single salary and wages object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id)
+    protected function deleteEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6005,9 +6005,9 @@ protected function deleteEmployeeSalaryAndWageRequest($xero_tenant_id, $employee
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function deleteTimesheet($xero_tenant_id, $timesheet_id)
+    public function deleteTimesheet($xero_tenant_id$timesheet_id)
     {
-        list($response) = $this->deleteTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id);
+        list($response) = $this->deleteTimesheetWithHttpInfo($xero_tenant_id$timesheet_id);
         return $response;
     }
     /**
@@ -6019,9 +6019,9 @@ public function deleteTimesheet($xero_tenant_id, $timesheet_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id)
+    public function deleteTimesheetWithHttpInfo($xero_tenant_id$timesheet_id)
     {
-        $request = $this->deleteTimesheetRequest($xero_tenant_id, $timesheet_id);
+        $request = $this->deleteTimesheetRequest($xero_tenant_id$timesheet_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6114,9 +6114,9 @@ public function deleteTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteTimesheetAsync($xero_tenant_id, $timesheet_id)
+    public function deleteTimesheetAsync($xero_tenant_id$timesheet_id)
     {
-        return $this->deleteTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
+        return $this->deleteTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6130,10 +6130,10 @@ function ($response) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
+    public function deleteTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine';
-        $request = $this->deleteTimesheetRequest($xero_tenant_id, $timesheet_id);
+        $request = $this->deleteTimesheetRequest($xero_tenant_id$timesheet_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -6173,7 +6173,7 @@ function ($exception) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteTimesheetRequest($xero_tenant_id, $timesheet_id)
+    protected function deleteTimesheetRequest($xero_tenant_id$timesheet_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6275,9 +6275,9 @@ protected function deleteTimesheetRequest($xero_tenant_id, $timesheet_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function deleteTimesheetLine($xero_tenant_id, $timesheet_id, $timesheet_line_id)
+    public function deleteTimesheetLine($xero_tenant_id$timesheet_id$timesheet_line_id)
     {
-        list($response) = $this->deleteTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id);
+        list($response) = $this->deleteTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id);
         return $response;
     }
     /**
@@ -6290,9 +6290,9 @@ public function deleteTimesheetLine($xero_tenant_id, $timesheet_id, $timesheet_l
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id)
+    public function deleteTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id)
     {
-        $request = $this->deleteTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line_id);
+        $request = $this->deleteTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6386,9 +6386,9 @@ public function deleteTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id,
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteTimesheetLineAsync($xero_tenant_id, $timesheet_id, $timesheet_line_id)
+    public function deleteTimesheetLineAsync($xero_tenant_id$timesheet_id$timesheet_line_id)
     {
-        return $this->deleteTimesheetLineAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id)
+        return $this->deleteTimesheetLineAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6403,10 +6403,10 @@ function ($response) {
      * @param  string $timesheet_line_id Identifier for the timesheet line (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteTimesheetLineAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id)
+    public function deleteTimesheetLineAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine';
-        $request = $this->deleteTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line_id);
+        $request = $this->deleteTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -6447,7 +6447,7 @@ function ($exception) {
      * @param  string $timesheet_line_id Identifier for the timesheet line (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line_id)
+    protected function deleteTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6562,9 +6562,9 @@ protected function deleteTimesheetLineRequest($xero_tenant_id, $timesheet_id, $t
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\BenefitObject
      */
-    public function getBenefit($xero_tenant_id, $id)
+    public function getBenefit($xero_tenant_id$id)
     {
-        list($response) = $this->getBenefitWithHttpInfo($xero_tenant_id, $id);
+        list($response) = $this->getBenefitWithHttpInfo($xero_tenant_id$id);
         return $response;
     }
     /**
@@ -6576,9 +6576,9 @@ public function getBenefit($xero_tenant_id, $id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\BenefitObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBenefitWithHttpInfo($xero_tenant_id, $id)
+    public function getBenefitWithHttpInfo($xero_tenant_id$id)
     {
-        $request = $this->getBenefitRequest($xero_tenant_id, $id);
+        $request = $this->getBenefitRequest($xero_tenant_id$id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6652,9 +6652,9 @@ public function getBenefitWithHttpInfo($xero_tenant_id, $id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBenefitAsync($xero_tenant_id, $id)
+    public function getBenefitAsync($xero_tenant_id$id)
     {
-        return $this->getBenefitAsyncWithHttpInfo($xero_tenant_id, $id)
+        return $this->getBenefitAsyncWithHttpInfo($xero_tenant_id$id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6668,10 +6668,10 @@ function ($response) {
      * @param  string $id Identifier for the benefit (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBenefitAsyncWithHttpInfo($xero_tenant_id, $id)
+    public function getBenefitAsyncWithHttpInfo($xero_tenant_id$id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\BenefitObject';
-        $request = $this->getBenefitRequest($xero_tenant_id, $id);
+        $request = $this->getBenefitRequest($xero_tenant_id$id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -6711,7 +6711,7 @@ function ($exception) {
      * @param  string $id Identifier for the benefit (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBenefitRequest($xero_tenant_id, $id)
+    protected function getBenefitRequest($xero_tenant_id$id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6812,9 +6812,9 @@ protected function getBenefitRequest($xero_tenant_id, $id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\Benefits
      */
-    public function getBenefits($xero_tenant_id, $page = null)
+    public function getBenefits($xero_tenant_id$page = null)
     {
-        list($response) = $this->getBenefitsWithHttpInfo($xero_tenant_id, $page);
+        list($response) = $this->getBenefitsWithHttpInfo($xero_tenant_id$page);
         return $response;
     }
     /**
@@ -6826,9 +6826,9 @@ public function getBenefits($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\Benefits, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBenefitsWithHttpInfo($xero_tenant_id, $page = null)
+    public function getBenefitsWithHttpInfo($xero_tenant_id$page = null)
     {
-        $request = $this->getBenefitsRequest($xero_tenant_id, $page);
+        $request = $this->getBenefitsRequest($xero_tenant_id$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6902,9 +6902,9 @@ public function getBenefitsWithHttpInfo($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBenefitsAsync($xero_tenant_id, $page = null)
+    public function getBenefitsAsync($xero_tenant_id$page = null)
     {
-        return $this->getBenefitsAsyncWithHttpInfo($xero_tenant_id, $page)
+        return $this->getBenefitsAsyncWithHttpInfo($xero_tenant_id$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6918,10 +6918,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBenefitsAsyncWithHttpInfo($xero_tenant_id, $page = null)
+    public function getBenefitsAsyncWithHttpInfo($xero_tenant_id$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\Benefits';
-        $request = $this->getBenefitsRequest($xero_tenant_id, $page);
+        $request = $this->getBenefitsRequest($xero_tenant_id$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -6961,7 +6961,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBenefitsRequest($xero_tenant_id, $page = null)
+    protected function getBenefitsRequest($xero_tenant_id$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7052,9 +7052,9 @@ protected function getBenefitsRequest($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\DeductionObject
      */
-    public function getDeduction($xero_tenant_id, $deduction_id)
+    public function getDeduction($xero_tenant_id$deduction_id)
     {
-        list($response) = $this->getDeductionWithHttpInfo($xero_tenant_id, $deduction_id);
+        list($response) = $this->getDeductionWithHttpInfo($xero_tenant_id$deduction_id);
         return $response;
     }
     /**
@@ -7066,9 +7066,9 @@ public function getDeduction($xero_tenant_id, $deduction_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\DeductionObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getDeductionWithHttpInfo($xero_tenant_id, $deduction_id)
+    public function getDeductionWithHttpInfo($xero_tenant_id$deduction_id)
     {
-        $request = $this->getDeductionRequest($xero_tenant_id, $deduction_id);
+        $request = $this->getDeductionRequest($xero_tenant_id$deduction_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -7142,9 +7142,9 @@ public function getDeductionWithHttpInfo($xero_tenant_id, $deduction_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getDeductionAsync($xero_tenant_id, $deduction_id)
+    public function getDeductionAsync($xero_tenant_id$deduction_id)
     {
-        return $this->getDeductionAsyncWithHttpInfo($xero_tenant_id, $deduction_id)
+        return $this->getDeductionAsyncWithHttpInfo($xero_tenant_id$deduction_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -7158,10 +7158,10 @@ function ($response) {
      * @param  string $deduction_id Identifier for the deduction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getDeductionAsyncWithHttpInfo($xero_tenant_id, $deduction_id)
+    public function getDeductionAsyncWithHttpInfo($xero_tenant_id$deduction_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\DeductionObject';
-        $request = $this->getDeductionRequest($xero_tenant_id, $deduction_id);
+        $request = $this->getDeductionRequest($xero_tenant_id$deduction_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7201,7 +7201,7 @@ function ($exception) {
      * @param  string $deduction_id Identifier for the deduction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getDeductionRequest($xero_tenant_id, $deduction_id)
+    protected function getDeductionRequest($xero_tenant_id$deduction_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7302,9 +7302,9 @@ protected function getDeductionRequest($xero_tenant_id, $deduction_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\Deductions
      */
-    public function getDeductions($xero_tenant_id, $page = null)
+    public function getDeductions($xero_tenant_id$page = null)
     {
-        list($response) = $this->getDeductionsWithHttpInfo($xero_tenant_id, $page);
+        list($response) = $this->getDeductionsWithHttpInfo($xero_tenant_id$page);
         return $response;
     }
     /**
@@ -7316,9 +7316,9 @@ public function getDeductions($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\Deductions, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getDeductionsWithHttpInfo($xero_tenant_id, $page = null)
+    public function getDeductionsWithHttpInfo($xero_tenant_id$page = null)
     {
-        $request = $this->getDeductionsRequest($xero_tenant_id, $page);
+        $request = $this->getDeductionsRequest($xero_tenant_id$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -7392,9 +7392,9 @@ public function getDeductionsWithHttpInfo($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getDeductionsAsync($xero_tenant_id, $page = null)
+    public function getDeductionsAsync($xero_tenant_id$page = null)
     {
-        return $this->getDeductionsAsyncWithHttpInfo($xero_tenant_id, $page)
+        return $this->getDeductionsAsyncWithHttpInfo($xero_tenant_id$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -7408,10 +7408,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getDeductionsAsyncWithHttpInfo($xero_tenant_id, $page = null)
+    public function getDeductionsAsyncWithHttpInfo($xero_tenant_id$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\Deductions';
-        $request = $this->getDeductionsRequest($xero_tenant_id, $page);
+        $request = $this->getDeductionsRequest($xero_tenant_id$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7451,7 +7451,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getDeductionsRequest($xero_tenant_id, $page = null)
+    protected function getDeductionsRequest($xero_tenant_id$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7542,9 +7542,9 @@ protected function getDeductionsRequest($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EarningsOrderObject
      */
-    public function getEarningsOrder($xero_tenant_id, $id)
+    public function getEarningsOrder($xero_tenant_id$id)
     {
-        list($response) = $this->getEarningsOrderWithHttpInfo($xero_tenant_id, $id);
+        list($response) = $this->getEarningsOrderWithHttpInfo($xero_tenant_id$id);
         return $response;
     }
     /**
@@ -7556,9 +7556,9 @@ public function getEarningsOrder($xero_tenant_id, $id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EarningsOrderObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEarningsOrderWithHttpInfo($xero_tenant_id, $id)
+    public function getEarningsOrderWithHttpInfo($xero_tenant_id$id)
     {
-        $request = $this->getEarningsOrderRequest($xero_tenant_id, $id);
+        $request = $this->getEarningsOrderRequest($xero_tenant_id$id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -7632,9 +7632,9 @@ public function getEarningsOrderWithHttpInfo($xero_tenant_id, $id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEarningsOrderAsync($xero_tenant_id, $id)
+    public function getEarningsOrderAsync($xero_tenant_id$id)
     {
-        return $this->getEarningsOrderAsyncWithHttpInfo($xero_tenant_id, $id)
+        return $this->getEarningsOrderAsyncWithHttpInfo($xero_tenant_id$id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -7648,10 +7648,10 @@ function ($response) {
      * @param  string $id Identifier for the deduction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEarningsOrderAsyncWithHttpInfo($xero_tenant_id, $id)
+    public function getEarningsOrderAsyncWithHttpInfo($xero_tenant_id$id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsOrderObject';
-        $request = $this->getEarningsOrderRequest($xero_tenant_id, $id);
+        $request = $this->getEarningsOrderRequest($xero_tenant_id$id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7691,7 +7691,7 @@ function ($exception) {
      * @param  string $id Identifier for the deduction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEarningsOrderRequest($xero_tenant_id, $id)
+    protected function getEarningsOrderRequest($xero_tenant_id$id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7792,9 +7792,9 @@ protected function getEarningsOrderRequest($xero_tenant_id, $id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EarningsOrders
      */
-    public function getEarningsOrders($xero_tenant_id, $page = null)
+    public function getEarningsOrders($xero_tenant_id$page = null)
     {
-        list($response) = $this->getEarningsOrdersWithHttpInfo($xero_tenant_id, $page);
+        list($response) = $this->getEarningsOrdersWithHttpInfo($xero_tenant_id$page);
         return $response;
     }
     /**
@@ -7806,9 +7806,9 @@ public function getEarningsOrders($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EarningsOrders, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEarningsOrdersWithHttpInfo($xero_tenant_id, $page = null)
+    public function getEarningsOrdersWithHttpInfo($xero_tenant_id$page = null)
     {
-        $request = $this->getEarningsOrdersRequest($xero_tenant_id, $page);
+        $request = $this->getEarningsOrdersRequest($xero_tenant_id$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -7882,9 +7882,9 @@ public function getEarningsOrdersWithHttpInfo($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEarningsOrdersAsync($xero_tenant_id, $page = null)
+    public function getEarningsOrdersAsync($xero_tenant_id$page = null)
     {
-        return $this->getEarningsOrdersAsyncWithHttpInfo($xero_tenant_id, $page)
+        return $this->getEarningsOrdersAsyncWithHttpInfo($xero_tenant_id$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -7898,10 +7898,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEarningsOrdersAsyncWithHttpInfo($xero_tenant_id, $page = null)
+    public function getEarningsOrdersAsyncWithHttpInfo($xero_tenant_id$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsOrders';
-        $request = $this->getEarningsOrdersRequest($xero_tenant_id, $page);
+        $request = $this->getEarningsOrdersRequest($xero_tenant_id$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7941,7 +7941,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEarningsOrdersRequest($xero_tenant_id, $page = null)
+    protected function getEarningsOrdersRequest($xero_tenant_id$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -8032,9 +8032,9 @@ protected function getEarningsOrdersRequest($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EarningsRateObject
      */
-    public function getEarningsRate($xero_tenant_id, $earnings_rate_id)
+    public function getEarningsRate($xero_tenant_id$earnings_rate_id)
     {
-        list($response) = $this->getEarningsRateWithHttpInfo($xero_tenant_id, $earnings_rate_id);
+        list($response) = $this->getEarningsRateWithHttpInfo($xero_tenant_id$earnings_rate_id);
         return $response;
     }
     /**
@@ -8046,9 +8046,9 @@ public function getEarningsRate($xero_tenant_id, $earnings_rate_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EarningsRateObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEarningsRateWithHttpInfo($xero_tenant_id, $earnings_rate_id)
+    public function getEarningsRateWithHttpInfo($xero_tenant_id$earnings_rate_id)
     {
-        $request = $this->getEarningsRateRequest($xero_tenant_id, $earnings_rate_id);
+        $request = $this->getEarningsRateRequest($xero_tenant_id$earnings_rate_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -8122,9 +8122,9 @@ public function getEarningsRateWithHttpInfo($xero_tenant_id, $earnings_rate_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEarningsRateAsync($xero_tenant_id, $earnings_rate_id)
+    public function getEarningsRateAsync($xero_tenant_id$earnings_rate_id)
     {
-        return $this->getEarningsRateAsyncWithHttpInfo($xero_tenant_id, $earnings_rate_id)
+        return $this->getEarningsRateAsyncWithHttpInfo($xero_tenant_id$earnings_rate_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -8138,10 +8138,10 @@ function ($response) {
      * @param  string $earnings_rate_id Identifier for the earnings rate (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEarningsRateAsyncWithHttpInfo($xero_tenant_id, $earnings_rate_id)
+    public function getEarningsRateAsyncWithHttpInfo($xero_tenant_id$earnings_rate_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsRateObject';
-        $request = $this->getEarningsRateRequest($xero_tenant_id, $earnings_rate_id);
+        $request = $this->getEarningsRateRequest($xero_tenant_id$earnings_rate_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -8181,7 +8181,7 @@ function ($exception) {
      * @param  string $earnings_rate_id Identifier for the earnings rate (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEarningsRateRequest($xero_tenant_id, $earnings_rate_id)
+    protected function getEarningsRateRequest($xero_tenant_id$earnings_rate_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -8282,9 +8282,9 @@ protected function getEarningsRateRequest($xero_tenant_id, $earnings_rate_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EarningsRates
      */
-    public function getEarningsRates($xero_tenant_id, $page = null)
+    public function getEarningsRates($xero_tenant_id$page = null)
     {
-        list($response) = $this->getEarningsRatesWithHttpInfo($xero_tenant_id, $page);
+        list($response) = $this->getEarningsRatesWithHttpInfo($xero_tenant_id$page);
         return $response;
     }
     /**
@@ -8296,9 +8296,9 @@ public function getEarningsRates($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EarningsRates, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEarningsRatesWithHttpInfo($xero_tenant_id, $page = null)
+    public function getEarningsRatesWithHttpInfo($xero_tenant_id$page = null)
     {
-        $request = $this->getEarningsRatesRequest($xero_tenant_id, $page);
+        $request = $this->getEarningsRatesRequest($xero_tenant_id$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -8372,9 +8372,9 @@ public function getEarningsRatesWithHttpInfo($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEarningsRatesAsync($xero_tenant_id, $page = null)
+    public function getEarningsRatesAsync($xero_tenant_id$page = null)
     {
-        return $this->getEarningsRatesAsyncWithHttpInfo($xero_tenant_id, $page)
+        return $this->getEarningsRatesAsyncWithHttpInfo($xero_tenant_id$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -8388,10 +8388,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEarningsRatesAsyncWithHttpInfo($xero_tenant_id, $page = null)
+    public function getEarningsRatesAsyncWithHttpInfo($xero_tenant_id$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsRates';
-        $request = $this->getEarningsRatesRequest($xero_tenant_id, $page);
+        $request = $this->getEarningsRatesRequest($xero_tenant_id$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -8431,7 +8431,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEarningsRatesRequest($xero_tenant_id, $page = null)
+    protected function getEarningsRatesRequest($xero_tenant_id$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -8522,9 +8522,9 @@ protected function getEarningsRatesRequest($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeObject
      */
-    public function getEmployee($xero_tenant_id, $employee_id)
+    public function getEmployee($xero_tenant_id$employee_id)
     {
-        list($response) = $this->getEmployeeWithHttpInfo($xero_tenant_id, $employee_id);
+        list($response) = $this->getEmployeeWithHttpInfo($xero_tenant_id$employee_id);
         return $response;
     }
     /**
@@ -8536,9 +8536,9 @@ public function getEmployee($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeWithHttpInfo($xero_tenant_id$employee_id)
     {
-        $request = $this->getEmployeeRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeRequest($xero_tenant_id$employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -8612,9 +8612,9 @@ public function getEmployeeWithHttpInfo($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeAsync($xero_tenant_id, $employee_id)
+    public function getEmployeeAsync($xero_tenant_id$employee_id)
     {
-        return $this->getEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+        return $this->getEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -8628,10 +8628,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeObject';
-        $request = $this->getEmployeeRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeRequest($xero_tenant_id$employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -8671,7 +8671,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeRequest($xero_tenant_id, $employee_id)
+    protected function getEmployeeRequest($xero_tenant_id$employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -8773,9 +8773,9 @@ protected function getEmployeeRequest($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveObject
      */
-    public function getEmployeeLeave($xero_tenant_id, $employee_id, $leave_id)
+    public function getEmployeeLeave($xero_tenant_id$employee_id$leave_id)
     {
-        list($response) = $this->getEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $leave_id);
+        list($response) = $this->getEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$leave_id);
         return $response;
     }
     /**
@@ -8788,9 +8788,9 @@ public function getEmployeeLeave($xero_tenant_id, $employee_id, $leave_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $leave_id)
+    public function getEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$leave_id)
     {
-        $request = $this->getEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id);
+        $request = $this->getEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -8865,9 +8865,9 @@ public function getEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $lea
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeLeaveAsync($xero_tenant_id, $employee_id, $leave_id)
+    public function getEmployeeLeaveAsync($xero_tenant_id$employee_id$leave_id)
     {
-        return $this->getEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $leave_id)
+        return $this->getEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$leave_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -8882,10 +8882,10 @@ function ($response) {
      * @param  string $leave_id Leave id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $leave_id)
+    public function getEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$leave_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveObject';
-        $request = $this->getEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id);
+        $request = $this->getEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -8926,7 +8926,7 @@ function ($exception) {
      * @param  string $leave_id Leave id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id)
+    protected function getEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -9041,9 +9041,9 @@ protected function getEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveBalances
      */
-    public function getEmployeeLeaveBalances($xero_tenant_id, $employee_id)
+    public function getEmployeeLeaveBalances($xero_tenant_id$employee_id)
     {
-        list($response) = $this->getEmployeeLeaveBalancesWithHttpInfo($xero_tenant_id, $employee_id);
+        list($response) = $this->getEmployeeLeaveBalancesWithHttpInfo($xero_tenant_id$employee_id);
         return $response;
     }
     /**
@@ -9055,9 +9055,9 @@ public function getEmployeeLeaveBalances($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveBalances, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeLeaveBalancesWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeLeaveBalancesWithHttpInfo($xero_tenant_id$employee_id)
     {
-        $request = $this->getEmployeeLeaveBalancesRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeLeaveBalancesRequest($xero_tenant_id$employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -9131,9 +9131,9 @@ public function getEmployeeLeaveBalancesWithHttpInfo($xero_tenant_id, $employee_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeLeaveBalancesAsync($xero_tenant_id, $employee_id)
+    public function getEmployeeLeaveBalancesAsync($xero_tenant_id$employee_id)
     {
-        return $this->getEmployeeLeaveBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+        return $this->getEmployeeLeaveBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -9147,10 +9147,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeLeaveBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeLeaveBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveBalances';
-        $request = $this->getEmployeeLeaveBalancesRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeLeaveBalancesRequest($xero_tenant_id$employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -9190,7 +9190,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeLeaveBalancesRequest($xero_tenant_id, $employee_id)
+    protected function getEmployeeLeaveBalancesRequest($xero_tenant_id$employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -9293,9 +9293,9 @@ protected function getEmployeeLeaveBalancesRequest($xero_tenant_id, $employee_id
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\LeavePeriods|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function getEmployeeLeavePeriods($xero_tenant_id, $employee_id, $start_date = null, $end_date = null)
+    public function getEmployeeLeavePeriods($xero_tenant_id$employee_id$start_date = null$end_date = null)
     {
-        list($response) = $this->getEmployeeLeavePeriodsWithHttpInfo($xero_tenant_id, $employee_id, $start_date, $end_date);
+        list($response) = $this->getEmployeeLeavePeriodsWithHttpInfo($xero_tenant_id$employee_id$start_date$end_date);
         return $response;
     }
     /**
@@ -9309,9 +9309,9 @@ public function getEmployeeLeavePeriods($xero_tenant_id, $employee_id, $start_da
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\LeavePeriods|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeLeavePeriodsWithHttpInfo($xero_tenant_id, $employee_id, $start_date = null, $end_date = null)
+    public function getEmployeeLeavePeriodsWithHttpInfo($xero_tenant_id$employee_id$start_date = null$end_date = null)
     {
-        $request = $this->getEmployeeLeavePeriodsRequest($xero_tenant_id, $employee_id, $start_date, $end_date);
+        $request = $this->getEmployeeLeavePeriodsRequest($xero_tenant_id$employee_id$start_date$end_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -9406,9 +9406,9 @@ public function getEmployeeLeavePeriodsWithHttpInfo($xero_tenant_id, $employee_i
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeLeavePeriodsAsync($xero_tenant_id, $employee_id, $start_date = null, $end_date = null)
+    public function getEmployeeLeavePeriodsAsync($xero_tenant_id$employee_id$start_date = null$end_date = null)
     {
-        return $this->getEmployeeLeavePeriodsAsyncWithHttpInfo($xero_tenant_id, $employee_id, $start_date, $end_date)
+        return $this->getEmployeeLeavePeriodsAsyncWithHttpInfo($xero_tenant_id$employee_id$start_date$end_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -9424,10 +9424,10 @@ function ($response) {
      * @param  \DateTime $end_date Filter by end date (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeLeavePeriodsAsyncWithHttpInfo($xero_tenant_id, $employee_id, $start_date = null, $end_date = null)
+    public function getEmployeeLeavePeriodsAsyncWithHttpInfo($xero_tenant_id$employee_id$start_date = null$end_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\LeavePeriods';
-        $request = $this->getEmployeeLeavePeriodsRequest($xero_tenant_id, $employee_id, $start_date, $end_date);
+        $request = $this->getEmployeeLeavePeriodsRequest($xero_tenant_id$employee_id$start_date$end_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -9469,7 +9469,7 @@ function ($exception) {
      * @param  \DateTime $end_date Filter by end date (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeLeavePeriodsRequest($xero_tenant_id, $employee_id, $start_date = null, $end_date = null)
+    protected function getEmployeeLeavePeriodsRequest($xero_tenant_id$employee_id$start_date = null$end_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -9578,9 +9578,9 @@ protected function getEmployeeLeavePeriodsRequest($xero_tenant_id, $employee_id,
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveTypes|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function getEmployeeLeaveTypes($xero_tenant_id, $employee_id)
+    public function getEmployeeLeaveTypes($xero_tenant_id$employee_id)
     {
-        list($response) = $this->getEmployeeLeaveTypesWithHttpInfo($xero_tenant_id, $employee_id);
+        list($response) = $this->getEmployeeLeaveTypesWithHttpInfo($xero_tenant_id$employee_id);
         return $response;
     }
     /**
@@ -9592,9 +9592,9 @@ public function getEmployeeLeaveTypes($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveTypes|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeLeaveTypesWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeLeaveTypesWithHttpInfo($xero_tenant_id$employee_id)
     {
-        $request = $this->getEmployeeLeaveTypesRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeLeaveTypesRequest($xero_tenant_id$employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -9687,9 +9687,9 @@ public function getEmployeeLeaveTypesWithHttpInfo($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeLeaveTypesAsync($xero_tenant_id, $employee_id)
+    public function getEmployeeLeaveTypesAsync($xero_tenant_id$employee_id)
     {
-        return $this->getEmployeeLeaveTypesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+        return $this->getEmployeeLeaveTypesAsyncWithHttpInfo($xero_tenant_id$employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -9703,10 +9703,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeLeaveTypesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeLeaveTypesAsyncWithHttpInfo($xero_tenant_id$employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveTypes';
-        $request = $this->getEmployeeLeaveTypesRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeLeaveTypesRequest($xero_tenant_id$employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -9746,7 +9746,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeLeaveTypesRequest($xero_tenant_id, $employee_id)
+    protected function getEmployeeLeaveTypesRequest($xero_tenant_id$employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -9847,9 +9847,9 @@ protected function getEmployeeLeaveTypesRequest($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaves
      */
-    public function getEmployeeLeaves($xero_tenant_id, $employee_id)
+    public function getEmployeeLeaves($xero_tenant_id$employee_id)
     {
-        list($response) = $this->getEmployeeLeavesWithHttpInfo($xero_tenant_id, $employee_id);
+        list($response) = $this->getEmployeeLeavesWithHttpInfo($xero_tenant_id$employee_id);
         return $response;
     }
     /**
@@ -9861,9 +9861,9 @@ public function getEmployeeLeaves($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaves, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeLeavesWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeLeavesWithHttpInfo($xero_tenant_id$employee_id)
     {
-        $request = $this->getEmployeeLeavesRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeLeavesRequest($xero_tenant_id$employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -9937,9 +9937,9 @@ public function getEmployeeLeavesWithHttpInfo($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeLeavesAsync($xero_tenant_id, $employee_id)
+    public function getEmployeeLeavesAsync($xero_tenant_id$employee_id)
     {
-        return $this->getEmployeeLeavesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+        return $this->getEmployeeLeavesAsyncWithHttpInfo($xero_tenant_id$employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -9953,10 +9953,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeLeavesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeLeavesAsyncWithHttpInfo($xero_tenant_id$employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaves';
-        $request = $this->getEmployeeLeavesRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeLeavesRequest($xero_tenant_id$employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -9996,7 +9996,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeLeavesRequest($xero_tenant_id, $employee_id)
+    protected function getEmployeeLeavesRequest($xero_tenant_id$employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -10097,9 +10097,9 @@ protected function getEmployeeLeavesRequest($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalancesObject
      */
-    public function getEmployeeOpeningBalances($xero_tenant_id, $employee_id)
+    public function getEmployeeOpeningBalances($xero_tenant_id$employee_id)
     {
-        list($response) = $this->getEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id, $employee_id);
+        list($response) = $this->getEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id$employee_id);
         return $response;
     }
     /**
@@ -10111,9 +10111,9 @@ public function getEmployeeOpeningBalances($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalancesObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id$employee_id)
     {
-        $request = $this->getEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -10187,9 +10187,9 @@ public function getEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id, $employe
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeOpeningBalancesAsync($xero_tenant_id, $employee_id)
+    public function getEmployeeOpeningBalancesAsync($xero_tenant_id$employee_id)
     {
-        return $this->getEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+        return $this->getEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -10203,10 +10203,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalancesObject';
-        $request = $this->getEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -10246,7 +10246,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id)
+    protected function getEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -10347,9 +10347,9 @@ protected function getEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeePayTemplateObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function getEmployeePayTemplate($xero_tenant_id, $employee_id)
+    public function getEmployeePayTemplate($xero_tenant_id$employee_id)
     {
-        list($response) = $this->getEmployeePayTemplateWithHttpInfo($xero_tenant_id, $employee_id);
+        list($response) = $this->getEmployeePayTemplateWithHttpInfo($xero_tenant_id$employee_id);
         return $response;
     }
     /**
@@ -10361,9 +10361,9 @@ public function getEmployeePayTemplate($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeePayTemplateObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeePayTemplateWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeePayTemplateWithHttpInfo($xero_tenant_id$employee_id)
     {
-        $request = $this->getEmployeePayTemplateRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeePayTemplateRequest($xero_tenant_id$employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -10456,9 +10456,9 @@ public function getEmployeePayTemplateWithHttpInfo($xero_tenant_id, $employee_id
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeePayTemplateAsync($xero_tenant_id, $employee_id)
+    public function getEmployeePayTemplateAsync($xero_tenant_id$employee_id)
     {
-        return $this->getEmployeePayTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+        return $this->getEmployeePayTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -10472,10 +10472,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeePayTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeePayTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeePayTemplateObject';
-        $request = $this->getEmployeePayTemplateRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeePayTemplateRequest($xero_tenant_id$employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -10515,7 +10515,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeePayTemplateRequest($xero_tenant_id, $employee_id)
+    protected function getEmployeePayTemplateRequest($xero_tenant_id$employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -10616,9 +10616,9 @@ protected function getEmployeePayTemplateRequest($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\PaymentMethodObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function getEmployeePaymentMethod($xero_tenant_id, $employee_id)
+    public function getEmployeePaymentMethod($xero_tenant_id$employee_id)
     {
-        list($response) = $this->getEmployeePaymentMethodWithHttpInfo($xero_tenant_id, $employee_id);
+        list($response) = $this->getEmployeePaymentMethodWithHttpInfo($xero_tenant_id$employee_id);
         return $response;
     }
     /**
@@ -10630,9 +10630,9 @@ public function getEmployeePaymentMethod($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\PaymentMethodObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeePaymentMethodWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeePaymentMethodWithHttpInfo($xero_tenant_id$employee_id)
     {
-        $request = $this->getEmployeePaymentMethodRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeePaymentMethodRequest($xero_tenant_id$employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -10725,9 +10725,9 @@ public function getEmployeePaymentMethodWithHttpInfo($xero_tenant_id, $employee_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeePaymentMethodAsync($xero_tenant_id, $employee_id)
+    public function getEmployeePaymentMethodAsync($xero_tenant_id$employee_id)
     {
-        return $this->getEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+        return $this->getEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id$employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -10741,10 +10741,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id$employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\PaymentMethodObject';
-        $request = $this->getEmployeePaymentMethodRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeePaymentMethodRequest($xero_tenant_id$employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -10784,7 +10784,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeePaymentMethodRequest($xero_tenant_id, $employee_id)
+    protected function getEmployeePaymentMethodRequest($xero_tenant_id$employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -10886,9 +10886,9 @@ protected function getEmployeePaymentMethodRequest($xero_tenant_id, $employee_id
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWages
      */
-    public function getEmployeeSalaryAndWage($xero_tenant_id, $employee_id, $salary_and_wages_id)
+    public function getEmployeeSalaryAndWage($xero_tenant_id$employee_id$salary_and_wages_id)
     {
-        list($response) = $this->getEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id);
+        list($response) = $this->getEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id);
         return $response;
     }
     /**
@@ -10901,9 +10901,9 @@ public function getEmployeeSalaryAndWage($xero_tenant_id, $employee_id, $salary_
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWages, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id)
+    public function getEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id)
     {
-        $request = $this->getEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id);
+        $request = $this->getEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -10978,9 +10978,9 @@ public function getEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeSalaryAndWageAsync($xero_tenant_id, $employee_id, $salary_and_wages_id)
+    public function getEmployeeSalaryAndWageAsync($xero_tenant_id$employee_id$salary_and_wages_id)
     {
-        return $this->getEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id)
+        return $this->getEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -10995,10 +10995,10 @@ function ($response) {
      * @param  string $salary_and_wages_id Id for single pay template earnings object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id)
+    public function getEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWages';
-        $request = $this->getEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id);
+        $request = $this->getEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -11039,7 +11039,7 @@ function ($exception) {
      * @param  string $salary_and_wages_id Id for single pay template earnings object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id)
+    protected function getEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -11155,9 +11155,9 @@ protected function getEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWages|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function getEmployeeSalaryAndWages($xero_tenant_id, $employee_id, $page = null)
+    public function getEmployeeSalaryAndWages($xero_tenant_id$employee_id$page = null)
     {
-        list($response) = $this->getEmployeeSalaryAndWagesWithHttpInfo($xero_tenant_id, $employee_id, $page);
+        list($response) = $this->getEmployeeSalaryAndWagesWithHttpInfo($xero_tenant_id$employee_id$page);
         return $response;
     }
     /**
@@ -11170,9 +11170,9 @@ public function getEmployeeSalaryAndWages($xero_tenant_id, $employee_id, $page =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWages|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeSalaryAndWagesWithHttpInfo($xero_tenant_id, $employee_id, $page = null)
+    public function getEmployeeSalaryAndWagesWithHttpInfo($xero_tenant_id$employee_id$page = null)
     {
-        $request = $this->getEmployeeSalaryAndWagesRequest($xero_tenant_id, $employee_id, $page);
+        $request = $this->getEmployeeSalaryAndWagesRequest($xero_tenant_id$employee_id$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -11266,9 +11266,9 @@ public function getEmployeeSalaryAndWagesWithHttpInfo($xero_tenant_id, $employee
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeSalaryAndWagesAsync($xero_tenant_id, $employee_id, $page = null)
+    public function getEmployeeSalaryAndWagesAsync($xero_tenant_id$employee_id$page = null)
     {
-        return $this->getEmployeeSalaryAndWagesAsyncWithHttpInfo($xero_tenant_id, $employee_id, $page)
+        return $this->getEmployeeSalaryAndWagesAsyncWithHttpInfo($xero_tenant_id$employee_id$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -11283,10 +11283,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeSalaryAndWagesAsyncWithHttpInfo($xero_tenant_id, $employee_id, $page = null)
+    public function getEmployeeSalaryAndWagesAsyncWithHttpInfo($xero_tenant_id$employee_id$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWages';
-        $request = $this->getEmployeeSalaryAndWagesRequest($xero_tenant_id, $employee_id, $page);
+        $request = $this->getEmployeeSalaryAndWagesRequest($xero_tenant_id$employee_id$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -11327,7 +11327,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeSalaryAndWagesRequest($xero_tenant_id, $employee_id, $page = null)
+    protected function getEmployeeSalaryAndWagesRequest($xero_tenant_id$employee_id$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -11434,9 +11434,9 @@ protected function getEmployeeSalaryAndWagesRequest($xero_tenant_id, $employee_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutoryLeaveBalanceObject
      */
-    public function getEmployeeStatutoryLeaveBalances($xero_tenant_id, $employee_id, $leave_type = null, $as_of_date = null)
+    public function getEmployeeStatutoryLeaveBalances($xero_tenant_id$employee_id$leave_type = null$as_of_date = null)
     {
-        list($response) = $this->getEmployeeStatutoryLeaveBalancesWithHttpInfo($xero_tenant_id, $employee_id, $leave_type, $as_of_date);
+        list($response) = $this->getEmployeeStatutoryLeaveBalancesWithHttpInfo($xero_tenant_id$employee_id$leave_type$as_of_date);
         return $response;
     }
     /**
@@ -11450,9 +11450,9 @@ public function getEmployeeStatutoryLeaveBalances($xero_tenant_id, $employee_id,
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutoryLeaveBalanceObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeStatutoryLeaveBalancesWithHttpInfo($xero_tenant_id, $employee_id, $leave_type = null, $as_of_date = null)
+    public function getEmployeeStatutoryLeaveBalancesWithHttpInfo($xero_tenant_id$employee_id$leave_type = null$as_of_date = null)
     {
-        $request = $this->getEmployeeStatutoryLeaveBalancesRequest($xero_tenant_id, $employee_id, $leave_type, $as_of_date);
+        $request = $this->getEmployeeStatutoryLeaveBalancesRequest($xero_tenant_id$employee_id$leave_type$as_of_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -11528,9 +11528,9 @@ public function getEmployeeStatutoryLeaveBalancesWithHttpInfo($xero_tenant_id, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeStatutoryLeaveBalancesAsync($xero_tenant_id, $employee_id, $leave_type = null, $as_of_date = null)
+    public function getEmployeeStatutoryLeaveBalancesAsync($xero_tenant_id$employee_id$leave_type = null$as_of_date = null)
     {
-        return $this->getEmployeeStatutoryLeaveBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id, $leave_type, $as_of_date)
+        return $this->getEmployeeStatutoryLeaveBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id$leave_type$as_of_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -11546,10 +11546,10 @@ function ($response) {
      * @param  \DateTime $as_of_date The date from which to calculate balance remaining. If not specified, current date UTC is used. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeStatutoryLeaveBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id, $leave_type = null, $as_of_date = null)
+    public function getEmployeeStatutoryLeaveBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id$leave_type = null$as_of_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutoryLeaveBalanceObject';
-        $request = $this->getEmployeeStatutoryLeaveBalancesRequest($xero_tenant_id, $employee_id, $leave_type, $as_of_date);
+        $request = $this->getEmployeeStatutoryLeaveBalancesRequest($xero_tenant_id$employee_id$leave_type$as_of_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -11591,7 +11591,7 @@ function ($exception) {
      * @param  \DateTime $as_of_date The date from which to calculate balance remaining. If not specified, current date UTC is used. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeStatutoryLeaveBalancesRequest($xero_tenant_id, $employee_id, $leave_type = null, $as_of_date = null)
+    protected function getEmployeeStatutoryLeaveBalancesRequest($xero_tenant_id$employee_id$leave_type = null$as_of_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -11700,9 +11700,9 @@ protected function getEmployeeStatutoryLeaveBalancesRequest($xero_tenant_id, $em
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutorySickLeaveObject
      */
-    public function getEmployeeStatutorySickLeave($xero_tenant_id, $statutory_sick_leave_id)
+    public function getEmployeeStatutorySickLeave($xero_tenant_id$statutory_sick_leave_id)
     {
-        list($response) = $this->getEmployeeStatutorySickLeaveWithHttpInfo($xero_tenant_id, $statutory_sick_leave_id);
+        list($response) = $this->getEmployeeStatutorySickLeaveWithHttpInfo($xero_tenant_id$statutory_sick_leave_id);
         return $response;
     }
     /**
@@ -11714,9 +11714,9 @@ public function getEmployeeStatutorySickLeave($xero_tenant_id, $statutory_sick_l
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutorySickLeaveObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeStatutorySickLeaveWithHttpInfo($xero_tenant_id, $statutory_sick_leave_id)
+    public function getEmployeeStatutorySickLeaveWithHttpInfo($xero_tenant_id$statutory_sick_leave_id)
     {
-        $request = $this->getEmployeeStatutorySickLeaveRequest($xero_tenant_id, $statutory_sick_leave_id);
+        $request = $this->getEmployeeStatutorySickLeaveRequest($xero_tenant_id$statutory_sick_leave_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -11790,9 +11790,9 @@ public function getEmployeeStatutorySickLeaveWithHttpInfo($xero_tenant_id, $stat
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeStatutorySickLeaveAsync($xero_tenant_id, $statutory_sick_leave_id)
+    public function getEmployeeStatutorySickLeaveAsync($xero_tenant_id$statutory_sick_leave_id)
     {
-        return $this->getEmployeeStatutorySickLeaveAsyncWithHttpInfo($xero_tenant_id, $statutory_sick_leave_id)
+        return $this->getEmployeeStatutorySickLeaveAsyncWithHttpInfo($xero_tenant_id$statutory_sick_leave_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -11806,10 +11806,10 @@ function ($response) {
      * @param  string $statutory_sick_leave_id Statutory sick leave id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeStatutorySickLeaveAsyncWithHttpInfo($xero_tenant_id, $statutory_sick_leave_id)
+    public function getEmployeeStatutorySickLeaveAsyncWithHttpInfo($xero_tenant_id$statutory_sick_leave_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutorySickLeaveObject';
-        $request = $this->getEmployeeStatutorySickLeaveRequest($xero_tenant_id, $statutory_sick_leave_id);
+        $request = $this->getEmployeeStatutorySickLeaveRequest($xero_tenant_id$statutory_sick_leave_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -11849,7 +11849,7 @@ function ($exception) {
      * @param  string $statutory_sick_leave_id Statutory sick leave id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeStatutorySickLeaveRequest($xero_tenant_id, $statutory_sick_leave_id)
+    protected function getEmployeeStatutorySickLeaveRequest($xero_tenant_id$statutory_sick_leave_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -11950,9 +11950,9 @@ protected function getEmployeeStatutorySickLeaveRequest($xero_tenant_id, $statut
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeTaxObject
      */
-    public function getEmployeeTax($xero_tenant_id, $employee_id)
+    public function getEmployeeTax($xero_tenant_id$employee_id)
     {
-        list($response) = $this->getEmployeeTaxWithHttpInfo($xero_tenant_id, $employee_id);
+        list($response) = $this->getEmployeeTaxWithHttpInfo($xero_tenant_id$employee_id);
         return $response;
     }
     /**
@@ -11964,9 +11964,9 @@ public function getEmployeeTax($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeTaxObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeTaxWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeTaxWithHttpInfo($xero_tenant_id$employee_id)
     {
-        $request = $this->getEmployeeTaxRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeTaxRequest($xero_tenant_id$employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -12040,9 +12040,9 @@ public function getEmployeeTaxWithHttpInfo($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeTaxAsync($xero_tenant_id, $employee_id)
+    public function getEmployeeTaxAsync($xero_tenant_id$employee_id)
     {
-        return $this->getEmployeeTaxAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+        return $this->getEmployeeTaxAsyncWithHttpInfo($xero_tenant_id$employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -12056,10 +12056,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeTaxAsyncWithHttpInfo($xero_tenant_id, $employee_id)
+    public function getEmployeeTaxAsyncWithHttpInfo($xero_tenant_id$employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeTaxObject';
-        $request = $this->getEmployeeTaxRequest($xero_tenant_id, $employee_id);
+        $request = $this->getEmployeeTaxRequest($xero_tenant_id$employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -12099,7 +12099,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeTaxRequest($xero_tenant_id, $employee_id)
+    protected function getEmployeeTaxRequest($xero_tenant_id$employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -12201,9 +12201,9 @@ protected function getEmployeeTaxRequest($xero_tenant_id, $employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\Employees|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function getEmployees($xero_tenant_id, $filter = null, $page = null)
+    public function getEmployees($xero_tenant_id$filter = null$page = null)
     {
-        list($response) = $this->getEmployeesWithHttpInfo($xero_tenant_id, $filter, $page);
+        list($response) = $this->getEmployeesWithHttpInfo($xero_tenant_id$filter$page);
         return $response;
     }
     /**
@@ -12216,9 +12216,9 @@ public function getEmployees($xero_tenant_id, $filter = null, $page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\Employees|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeesWithHttpInfo($xero_tenant_id, $filter = null, $page = null)
+    public function getEmployeesWithHttpInfo($xero_tenant_id$filter = null$page = null)
     {
-        $request = $this->getEmployeesRequest($xero_tenant_id, $filter, $page);
+        $request = $this->getEmployeesRequest($xero_tenant_id$filter$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -12312,9 +12312,9 @@ public function getEmployeesWithHttpInfo($xero_tenant_id, $filter = null, $page
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeesAsync($xero_tenant_id, $filter = null, $page = null)
+    public function getEmployeesAsync($xero_tenant_id$filter = null$page = null)
     {
-        return $this->getEmployeesAsyncWithHttpInfo($xero_tenant_id, $filter, $page)
+        return $this->getEmployeesAsyncWithHttpInfo($xero_tenant_id$filter$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -12329,10 +12329,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeesAsyncWithHttpInfo($xero_tenant_id, $filter = null, $page = null)
+    public function getEmployeesAsyncWithHttpInfo($xero_tenant_id$filter = null$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\Employees';
-        $request = $this->getEmployeesRequest($xero_tenant_id, $filter, $page);
+        $request = $this->getEmployeesRequest($xero_tenant_id$filter$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -12373,7 +12373,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeesRequest($xero_tenant_id, $filter = null, $page = null)
+    protected function getEmployeesRequest($xero_tenant_id$filter = null$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -12468,9 +12468,9 @@ protected function getEmployeesRequest($xero_tenant_id, $filter = null, $page =
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\LeaveTypeObject
      */
-    public function getLeaveType($xero_tenant_id, $leave_type_id)
+    public function getLeaveType($xero_tenant_id$leave_type_id)
     {
-        list($response) = $this->getLeaveTypeWithHttpInfo($xero_tenant_id, $leave_type_id);
+        list($response) = $this->getLeaveTypeWithHttpInfo($xero_tenant_id$leave_type_id);
         return $response;
     }
     /**
@@ -12482,9 +12482,9 @@ public function getLeaveType($xero_tenant_id, $leave_type_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\LeaveTypeObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getLeaveTypeWithHttpInfo($xero_tenant_id, $leave_type_id)
+    public function getLeaveTypeWithHttpInfo($xero_tenant_id$leave_type_id)
     {
-        $request = $this->getLeaveTypeRequest($xero_tenant_id, $leave_type_id);
+        $request = $this->getLeaveTypeRequest($xero_tenant_id$leave_type_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -12558,9 +12558,9 @@ public function getLeaveTypeWithHttpInfo($xero_tenant_id, $leave_type_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getLeaveTypeAsync($xero_tenant_id, $leave_type_id)
+    public function getLeaveTypeAsync($xero_tenant_id$leave_type_id)
     {
-        return $this->getLeaveTypeAsyncWithHttpInfo($xero_tenant_id, $leave_type_id)
+        return $this->getLeaveTypeAsyncWithHttpInfo($xero_tenant_id$leave_type_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -12574,10 +12574,10 @@ function ($response) {
      * @param  string $leave_type_id Identifier for the leave type (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getLeaveTypeAsyncWithHttpInfo($xero_tenant_id, $leave_type_id)
+    public function getLeaveTypeAsyncWithHttpInfo($xero_tenant_id$leave_type_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\LeaveTypeObject';
-        $request = $this->getLeaveTypeRequest($xero_tenant_id, $leave_type_id);
+        $request = $this->getLeaveTypeRequest($xero_tenant_id$leave_type_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -12617,7 +12617,7 @@ function ($exception) {
      * @param  string $leave_type_id Identifier for the leave type (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getLeaveTypeRequest($xero_tenant_id, $leave_type_id)
+    protected function getLeaveTypeRequest($xero_tenant_id$leave_type_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -12719,9 +12719,9 @@ protected function getLeaveTypeRequest($xero_tenant_id, $leave_type_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\LeaveTypes
      */
-    public function getLeaveTypes($xero_tenant_id, $page = null, $active_only = null)
+    public function getLeaveTypes($xero_tenant_id$page = null$active_only = null)
     {
-        list($response) = $this->getLeaveTypesWithHttpInfo($xero_tenant_id, $page, $active_only);
+        list($response) = $this->getLeaveTypesWithHttpInfo($xero_tenant_id$page$active_only);
         return $response;
     }
     /**
@@ -12734,9 +12734,9 @@ public function getLeaveTypes($xero_tenant_id, $page = null, $active_only = null
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\LeaveTypes, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getLeaveTypesWithHttpInfo($xero_tenant_id, $page = null, $active_only = null)
+    public function getLeaveTypesWithHttpInfo($xero_tenant_id$page = null$active_only = null)
     {
-        $request = $this->getLeaveTypesRequest($xero_tenant_id, $page, $active_only);
+        $request = $this->getLeaveTypesRequest($xero_tenant_id$page$active_only);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -12811,9 +12811,9 @@ public function getLeaveTypesWithHttpInfo($xero_tenant_id, $page = null, $active
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getLeaveTypesAsync($xero_tenant_id, $page = null, $active_only = null)
+    public function getLeaveTypesAsync($xero_tenant_id$page = null$active_only = null)
     {
-        return $this->getLeaveTypesAsyncWithHttpInfo($xero_tenant_id, $page, $active_only)
+        return $this->getLeaveTypesAsyncWithHttpInfo($xero_tenant_id$page$active_only)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -12828,10 +12828,10 @@ function ($response) {
      * @param  bool $active_only Filters leave types by active status. By default the API returns all leave types. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getLeaveTypesAsyncWithHttpInfo($xero_tenant_id, $page = null, $active_only = null)
+    public function getLeaveTypesAsyncWithHttpInfo($xero_tenant_id$page = null$active_only = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\LeaveTypes';
-        $request = $this->getLeaveTypesRequest($xero_tenant_id, $page, $active_only);
+        $request = $this->getLeaveTypesRequest($xero_tenant_id$page$active_only);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -12872,7 +12872,7 @@ function ($exception) {
      * @param  bool $active_only Filters leave types by active status. By default the API returns all leave types. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getLeaveTypesRequest($xero_tenant_id, $page = null, $active_only = null)
+    protected function getLeaveTypesRequest($xero_tenant_id$page = null$active_only = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -12967,9 +12967,9 @@ protected function getLeaveTypesRequest($xero_tenant_id, $page = null, $active_o
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\PayRunObject
      */
-    public function getPayRun($xero_tenant_id, $pay_run_id)
+    public function getPayRun($xero_tenant_id$pay_run_id)
     {
-        list($response) = $this->getPayRunWithHttpInfo($xero_tenant_id, $pay_run_id);
+        list($response) = $this->getPayRunWithHttpInfo($xero_tenant_id$pay_run_id);
         return $response;
     }
     /**
@@ -12981,9 +12981,9 @@ public function getPayRun($xero_tenant_id, $pay_run_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\PayRunObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayRunWithHttpInfo($xero_tenant_id, $pay_run_id)
+    public function getPayRunWithHttpInfo($xero_tenant_id$pay_run_id)
     {
-        $request = $this->getPayRunRequest($xero_tenant_id, $pay_run_id);
+        $request = $this->getPayRunRequest($xero_tenant_id$pay_run_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -13057,9 +13057,9 @@ public function getPayRunWithHttpInfo($xero_tenant_id, $pay_run_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayRunAsync($xero_tenant_id, $pay_run_id)
+    public function getPayRunAsync($xero_tenant_id$pay_run_id)
     {
-        return $this->getPayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run_id)
+        return $this->getPayRunAsyncWithHttpInfo($xero_tenant_id$pay_run_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -13073,10 +13073,10 @@ function ($response) {
      * @param  string $pay_run_id Identifier for the pay run (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run_id)
+    public function getPayRunAsyncWithHttpInfo($xero_tenant_id$pay_run_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\PayRunObject';
-        $request = $this->getPayRunRequest($xero_tenant_id, $pay_run_id);
+        $request = $this->getPayRunRequest($xero_tenant_id$pay_run_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -13116,7 +13116,7 @@ function ($exception) {
      * @param  string $pay_run_id Identifier for the pay run (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayRunRequest($xero_tenant_id, $pay_run_id)
+    protected function getPayRunRequest($xero_tenant_id$pay_run_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -13217,9 +13217,9 @@ protected function getPayRunRequest($xero_tenant_id, $pay_run_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendarObject
      */
-    public function getPayRunCalendar($xero_tenant_id, $pay_run_calendar_id)
+    public function getPayRunCalendar($xero_tenant_id$pay_run_calendar_id)
     {
-        list($response) = $this->getPayRunCalendarWithHttpInfo($xero_tenant_id, $pay_run_calendar_id);
+        list($response) = $this->getPayRunCalendarWithHttpInfo($xero_tenant_id$pay_run_calendar_id);
         return $response;
     }
     /**
@@ -13231,9 +13231,9 @@ public function getPayRunCalendar($xero_tenant_id, $pay_run_calendar_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendarObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayRunCalendarWithHttpInfo($xero_tenant_id, $pay_run_calendar_id)
+    public function getPayRunCalendarWithHttpInfo($xero_tenant_id$pay_run_calendar_id)
     {
-        $request = $this->getPayRunCalendarRequest($xero_tenant_id, $pay_run_calendar_id);
+        $request = $this->getPayRunCalendarRequest($xero_tenant_id$pay_run_calendar_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -13307,9 +13307,9 @@ public function getPayRunCalendarWithHttpInfo($xero_tenant_id, $pay_run_calendar
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayRunCalendarAsync($xero_tenant_id, $pay_run_calendar_id)
+    public function getPayRunCalendarAsync($xero_tenant_id$pay_run_calendar_id)
     {
-        return $this->getPayRunCalendarAsyncWithHttpInfo($xero_tenant_id, $pay_run_calendar_id)
+        return $this->getPayRunCalendarAsyncWithHttpInfo($xero_tenant_id$pay_run_calendar_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -13323,10 +13323,10 @@ function ($response) {
      * @param  string $pay_run_calendar_id Identifier for the payrun calendars (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayRunCalendarAsyncWithHttpInfo($xero_tenant_id, $pay_run_calendar_id)
+    public function getPayRunCalendarAsyncWithHttpInfo($xero_tenant_id$pay_run_calendar_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendarObject';
-        $request = $this->getPayRunCalendarRequest($xero_tenant_id, $pay_run_calendar_id);
+        $request = $this->getPayRunCalendarRequest($xero_tenant_id$pay_run_calendar_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -13366,7 +13366,7 @@ function ($exception) {
      * @param  string $pay_run_calendar_id Identifier for the payrun calendars (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayRunCalendarRequest($xero_tenant_id, $pay_run_calendar_id)
+    protected function getPayRunCalendarRequest($xero_tenant_id$pay_run_calendar_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -13467,9 +13467,9 @@ protected function getPayRunCalendarRequest($xero_tenant_id, $pay_run_calendar_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendars
      */
-    public function getPayRunCalendars($xero_tenant_id, $page = null)
+    public function getPayRunCalendars($xero_tenant_id$page = null)
     {
-        list($response) = $this->getPayRunCalendarsWithHttpInfo($xero_tenant_id, $page);
+        list($response) = $this->getPayRunCalendarsWithHttpInfo($xero_tenant_id$page);
         return $response;
     }
     /**
@@ -13481,9 +13481,9 @@ public function getPayRunCalendars($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendars, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayRunCalendarsWithHttpInfo($xero_tenant_id, $page = null)
+    public function getPayRunCalendarsWithHttpInfo($xero_tenant_id$page = null)
     {
-        $request = $this->getPayRunCalendarsRequest($xero_tenant_id, $page);
+        $request = $this->getPayRunCalendarsRequest($xero_tenant_id$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -13557,9 +13557,9 @@ public function getPayRunCalendarsWithHttpInfo($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayRunCalendarsAsync($xero_tenant_id, $page = null)
+    public function getPayRunCalendarsAsync($xero_tenant_id$page = null)
     {
-        return $this->getPayRunCalendarsAsyncWithHttpInfo($xero_tenant_id, $page)
+        return $this->getPayRunCalendarsAsyncWithHttpInfo($xero_tenant_id$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -13573,10 +13573,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayRunCalendarsAsyncWithHttpInfo($xero_tenant_id, $page = null)
+    public function getPayRunCalendarsAsyncWithHttpInfo($xero_tenant_id$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendars';
-        $request = $this->getPayRunCalendarsRequest($xero_tenant_id, $page);
+        $request = $this->getPayRunCalendarsRequest($xero_tenant_id$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -13616,7 +13616,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayRunCalendarsRequest($xero_tenant_id, $page = null)
+    protected function getPayRunCalendarsRequest($xero_tenant_id$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -13708,9 +13708,9 @@ protected function getPayRunCalendarsRequest($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\PayRuns
      */
-    public function getPayRuns($xero_tenant_id, $page = null, $status = null)
+    public function getPayRuns($xero_tenant_id$page = null$status = null)
     {
-        list($response) = $this->getPayRunsWithHttpInfo($xero_tenant_id, $page, $status);
+        list($response) = $this->getPayRunsWithHttpInfo($xero_tenant_id$page$status);
         return $response;
     }
     /**
@@ -13723,9 +13723,9 @@ public function getPayRuns($xero_tenant_id, $page = null, $status = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\PayRuns, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayRunsWithHttpInfo($xero_tenant_id, $page = null, $status = null)
+    public function getPayRunsWithHttpInfo($xero_tenant_id$page = null$status = null)
     {
-        $request = $this->getPayRunsRequest($xero_tenant_id, $page, $status);
+        $request = $this->getPayRunsRequest($xero_tenant_id$page$status);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -13800,9 +13800,9 @@ public function getPayRunsWithHttpInfo($xero_tenant_id, $page = null, $status =
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayRunsAsync($xero_tenant_id, $page = null, $status = null)
+    public function getPayRunsAsync($xero_tenant_id$page = null$status = null)
     {
-        return $this->getPayRunsAsyncWithHttpInfo($xero_tenant_id, $page, $status)
+        return $this->getPayRunsAsyncWithHttpInfo($xero_tenant_id$page$status)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -13817,10 +13817,10 @@ function ($response) {
      * @param  string $status By default get payruns will return all the payruns for an organization. You can add GET https://api.xero.com/payroll.xro/2.0/payRuns?statu&#x3D;{PayRunStatus} to filter the payruns by status. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayRunsAsyncWithHttpInfo($xero_tenant_id, $page = null, $status = null)
+    public function getPayRunsAsyncWithHttpInfo($xero_tenant_id$page = null$status = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\PayRuns';
-        $request = $this->getPayRunsRequest($xero_tenant_id, $page, $status);
+        $request = $this->getPayRunsRequest($xero_tenant_id$page$status);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -13861,7 +13861,7 @@ function ($exception) {
      * @param  string $status By default get payruns will return all the payruns for an organization. You can add GET https://api.xero.com/payroll.xro/2.0/payRuns?statu&#x3D;{PayRunStatus} to filter the payruns by status. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayRunsRequest($xero_tenant_id, $page = null, $status = null)
+    protected function getPayRunsRequest($xero_tenant_id$page = null$status = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -13956,9 +13956,9 @@ protected function getPayRunsRequest($xero_tenant_id, $page = null, $status = nu
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\PayslipObject
      */
-    public function getPaySlip($xero_tenant_id, $payslip_id)
+    public function getPaySlip($xero_tenant_id$payslip_id)
     {
-        list($response) = $this->getPaySlipWithHttpInfo($xero_tenant_id, $payslip_id);
+        list($response) = $this->getPaySlipWithHttpInfo($xero_tenant_id$payslip_id);
         return $response;
     }
     /**
@@ -13970,9 +13970,9 @@ public function getPaySlip($xero_tenant_id, $payslip_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\PayslipObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPaySlipWithHttpInfo($xero_tenant_id, $payslip_id)
+    public function getPaySlipWithHttpInfo($xero_tenant_id$payslip_id)
     {
-        $request = $this->getPaySlipRequest($xero_tenant_id, $payslip_id);
+        $request = $this->getPaySlipRequest($xero_tenant_id$payslip_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -14046,9 +14046,9 @@ public function getPaySlipWithHttpInfo($xero_tenant_id, $payslip_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPaySlipAsync($xero_tenant_id, $payslip_id)
+    public function getPaySlipAsync($xero_tenant_id$payslip_id)
     {
-        return $this->getPaySlipAsyncWithHttpInfo($xero_tenant_id, $payslip_id)
+        return $this->getPaySlipAsyncWithHttpInfo($xero_tenant_id$payslip_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -14062,10 +14062,10 @@ function ($response) {
      * @param  string $payslip_id Identifier for the payslip (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPaySlipAsyncWithHttpInfo($xero_tenant_id, $payslip_id)
+    public function getPaySlipAsyncWithHttpInfo($xero_tenant_id$payslip_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\PayslipObject';
-        $request = $this->getPaySlipRequest($xero_tenant_id, $payslip_id);
+        $request = $this->getPaySlipRequest($xero_tenant_id$payslip_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -14105,7 +14105,7 @@ function ($exception) {
      * @param  string $payslip_id Identifier for the payslip (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPaySlipRequest($xero_tenant_id, $payslip_id)
+    protected function getPaySlipRequest($xero_tenant_id$payslip_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -14207,9 +14207,9 @@ protected function getPaySlipRequest($xero_tenant_id, $payslip_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\Payslips
      */
-    public function getPaySlips($xero_tenant_id, $pay_run_id, $page = null)
+    public function getPaySlips($xero_tenant_id$pay_run_id$page = null)
     {
-        list($response) = $this->getPaySlipsWithHttpInfo($xero_tenant_id, $pay_run_id, $page);
+        list($response) = $this->getPaySlipsWithHttpInfo($xero_tenant_id$pay_run_id$page);
         return $response;
     }
     /**
@@ -14222,9 +14222,9 @@ public function getPaySlips($xero_tenant_id, $pay_run_id, $page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\Payslips, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPaySlipsWithHttpInfo($xero_tenant_id, $pay_run_id, $page = null)
+    public function getPaySlipsWithHttpInfo($xero_tenant_id$pay_run_id$page = null)
     {
-        $request = $this->getPaySlipsRequest($xero_tenant_id, $pay_run_id, $page);
+        $request = $this->getPaySlipsRequest($xero_tenant_id$pay_run_id$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -14299,9 +14299,9 @@ public function getPaySlipsWithHttpInfo($xero_tenant_id, $pay_run_id, $page = nu
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPaySlipsAsync($xero_tenant_id, $pay_run_id, $page = null)
+    public function getPaySlipsAsync($xero_tenant_id$pay_run_id$page = null)
     {
-        return $this->getPaySlipsAsyncWithHttpInfo($xero_tenant_id, $pay_run_id, $page)
+        return $this->getPaySlipsAsyncWithHttpInfo($xero_tenant_id$pay_run_id$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -14316,10 +14316,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPaySlipsAsyncWithHttpInfo($xero_tenant_id, $pay_run_id, $page = null)
+    public function getPaySlipsAsyncWithHttpInfo($xero_tenant_id$pay_run_id$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\Payslips';
-        $request = $this->getPaySlipsRequest($xero_tenant_id, $pay_run_id, $page);
+        $request = $this->getPaySlipsRequest($xero_tenant_id$pay_run_id$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -14360,7 +14360,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPaySlipsRequest($xero_tenant_id, $pay_run_id, $page = null)
+    protected function getPaySlipsRequest($xero_tenant_id$pay_run_id$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -14461,9 +14461,9 @@ protected function getPaySlipsRequest($xero_tenant_id, $pay_run_id, $page = null
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\ReimbursementObject
      */
-    public function getReimbursement($xero_tenant_id, $reimbursement_id)
+    public function getReimbursement($xero_tenant_id$reimbursement_id)
     {
-        list($response) = $this->getReimbursementWithHttpInfo($xero_tenant_id, $reimbursement_id);
+        list($response) = $this->getReimbursementWithHttpInfo($xero_tenant_id$reimbursement_id);
         return $response;
     }
     /**
@@ -14475,9 +14475,9 @@ public function getReimbursement($xero_tenant_id, $reimbursement_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\ReimbursementObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReimbursementWithHttpInfo($xero_tenant_id, $reimbursement_id)
+    public function getReimbursementWithHttpInfo($xero_tenant_id$reimbursement_id)
     {
-        $request = $this->getReimbursementRequest($xero_tenant_id, $reimbursement_id);
+        $request = $this->getReimbursementRequest($xero_tenant_id$reimbursement_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -14551,9 +14551,9 @@ public function getReimbursementWithHttpInfo($xero_tenant_id, $reimbursement_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReimbursementAsync($xero_tenant_id, $reimbursement_id)
+    public function getReimbursementAsync($xero_tenant_id$reimbursement_id)
     {
-        return $this->getReimbursementAsyncWithHttpInfo($xero_tenant_id, $reimbursement_id)
+        return $this->getReimbursementAsyncWithHttpInfo($xero_tenant_id$reimbursement_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -14567,10 +14567,10 @@ function ($response) {
      * @param  string $reimbursement_id Identifier for the reimbursement (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReimbursementAsyncWithHttpInfo($xero_tenant_id, $reimbursement_id)
+    public function getReimbursementAsyncWithHttpInfo($xero_tenant_id$reimbursement_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\ReimbursementObject';
-        $request = $this->getReimbursementRequest($xero_tenant_id, $reimbursement_id);
+        $request = $this->getReimbursementRequest($xero_tenant_id$reimbursement_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -14610,7 +14610,7 @@ function ($exception) {
      * @param  string $reimbursement_id Identifier for the reimbursement (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReimbursementRequest($xero_tenant_id, $reimbursement_id)
+    protected function getReimbursementRequest($xero_tenant_id$reimbursement_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -14711,9 +14711,9 @@ protected function getReimbursementRequest($xero_tenant_id, $reimbursement_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\Reimbursements
      */
-    public function getReimbursements($xero_tenant_id, $page = null)
+    public function getReimbursements($xero_tenant_id$page = null)
     {
-        list($response) = $this->getReimbursementsWithHttpInfo($xero_tenant_id, $page);
+        list($response) = $this->getReimbursementsWithHttpInfo($xero_tenant_id$page);
         return $response;
     }
     /**
@@ -14725,9 +14725,9 @@ public function getReimbursements($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\Reimbursements, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReimbursementsWithHttpInfo($xero_tenant_id, $page = null)
+    public function getReimbursementsWithHttpInfo($xero_tenant_id$page = null)
     {
-        $request = $this->getReimbursementsRequest($xero_tenant_id, $page);
+        $request = $this->getReimbursementsRequest($xero_tenant_id$page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -14801,9 +14801,9 @@ public function getReimbursementsWithHttpInfo($xero_tenant_id, $page = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReimbursementsAsync($xero_tenant_id, $page = null)
+    public function getReimbursementsAsync($xero_tenant_id$page = null)
     {
-        return $this->getReimbursementsAsyncWithHttpInfo($xero_tenant_id, $page)
+        return $this->getReimbursementsAsyncWithHttpInfo($xero_tenant_id$page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -14817,10 +14817,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReimbursementsAsyncWithHttpInfo($xero_tenant_id, $page = null)
+    public function getReimbursementsAsyncWithHttpInfo($xero_tenant_id$page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\Reimbursements';
-        $request = $this->getReimbursementsRequest($xero_tenant_id, $page);
+        $request = $this->getReimbursementsRequest($xero_tenant_id$page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -14860,7 +14860,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReimbursementsRequest($xero_tenant_id, $page = null)
+    protected function getReimbursementsRequest($xero_tenant_id$page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -15183,9 +15183,9 @@ protected function getSettingsRequest($xero_tenant_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutoryLeavesSummaries
      */
-    public function getStatutoryLeaveSummary($xero_tenant_id, $employee_id, $active_only = null)
+    public function getStatutoryLeaveSummary($xero_tenant_id$employee_id$active_only = null)
     {
-        list($response) = $this->getStatutoryLeaveSummaryWithHttpInfo($xero_tenant_id, $employee_id, $active_only);
+        list($response) = $this->getStatutoryLeaveSummaryWithHttpInfo($xero_tenant_id$employee_id$active_only);
         return $response;
     }
     /**
@@ -15198,9 +15198,9 @@ public function getStatutoryLeaveSummary($xero_tenant_id, $employee_id, $active_
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutoryLeavesSummaries, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getStatutoryLeaveSummaryWithHttpInfo($xero_tenant_id, $employee_id, $active_only = null)
+    public function getStatutoryLeaveSummaryWithHttpInfo($xero_tenant_id$employee_id$active_only = null)
     {
-        $request = $this->getStatutoryLeaveSummaryRequest($xero_tenant_id, $employee_id, $active_only);
+        $request = $this->getStatutoryLeaveSummaryRequest($xero_tenant_id$employee_id$active_only);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -15275,9 +15275,9 @@ public function getStatutoryLeaveSummaryWithHttpInfo($xero_tenant_id, $employee_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getStatutoryLeaveSummaryAsync($xero_tenant_id, $employee_id, $active_only = null)
+    public function getStatutoryLeaveSummaryAsync($xero_tenant_id$employee_id$active_only = null)
     {
-        return $this->getStatutoryLeaveSummaryAsyncWithHttpInfo($xero_tenant_id, $employee_id, $active_only)
+        return $this->getStatutoryLeaveSummaryAsyncWithHttpInfo($xero_tenant_id$employee_id$active_only)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -15292,10 +15292,10 @@ function ($response) {
      * @param  bool $active_only Filter response with leaves that are currently active or yet to be taken. If not specified, all leaves (past, current, and future scheduled) are returned (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getStatutoryLeaveSummaryAsyncWithHttpInfo($xero_tenant_id, $employee_id, $active_only = null)
+    public function getStatutoryLeaveSummaryAsyncWithHttpInfo($xero_tenant_id$employee_id$active_only = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutoryLeavesSummaries';
-        $request = $this->getStatutoryLeaveSummaryRequest($xero_tenant_id, $employee_id, $active_only);
+        $request = $this->getStatutoryLeaveSummaryRequest($xero_tenant_id$employee_id$active_only);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -15336,7 +15336,7 @@ function ($exception) {
      * @param  bool $active_only Filter response with leaves that are currently active or yet to be taken. If not specified, all leaves (past, current, and future scheduled) are returned (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getStatutoryLeaveSummaryRequest($xero_tenant_id, $employee_id, $active_only = null)
+    protected function getStatutoryLeaveSummaryRequest($xero_tenant_id$employee_id$active_only = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -15441,9 +15441,9 @@ protected function getStatutoryLeaveSummaryRequest($xero_tenant_id, $employee_id
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetObject
      */
-    public function getTimesheet($xero_tenant_id, $timesheet_id)
+    public function getTimesheet($xero_tenant_id$timesheet_id)
     {
-        list($response) = $this->getTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id);
+        list($response) = $this->getTimesheetWithHttpInfo($xero_tenant_id$timesheet_id);
         return $response;
     }
     /**
@@ -15455,9 +15455,9 @@ public function getTimesheet($xero_tenant_id, $timesheet_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id)
+    public function getTimesheetWithHttpInfo($xero_tenant_id$timesheet_id)
     {
-        $request = $this->getTimesheetRequest($xero_tenant_id, $timesheet_id);
+        $request = $this->getTimesheetRequest($xero_tenant_id$timesheet_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -15531,9 +15531,9 @@ public function getTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getTimesheetAsync($xero_tenant_id, $timesheet_id)
+    public function getTimesheetAsync($xero_tenant_id$timesheet_id)
     {
-        return $this->getTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
+        return $this->getTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -15547,10 +15547,10 @@ function ($response) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
+    public function getTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetObject';
-        $request = $this->getTimesheetRequest($xero_tenant_id, $timesheet_id);
+        $request = $this->getTimesheetRequest($xero_tenant_id$timesheet_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -15590,7 +15590,7 @@ function ($exception) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getTimesheetRequest($xero_tenant_id, $timesheet_id)
+    protected function getTimesheetRequest($xero_tenant_id$timesheet_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -15696,9 +15696,9 @@ protected function getTimesheetRequest($xero_tenant_id, $timesheet_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\Timesheets
      */
-    public function getTimesheets($xero_tenant_id, $page = null, $filter = null, $status = null, $start_date = null, $end_date = null, $sort = null)
+    public function getTimesheets($xero_tenant_id$page = null$filter = null$status = null$start_date = null$end_date = null$sort = null)
     {
-        list($response) = $this->getTimesheetsWithHttpInfo($xero_tenant_id, $page, $filter, $status, $start_date, $end_date, $sort);
+        list($response) = $this->getTimesheetsWithHttpInfo($xero_tenant_id$page$filter$status$start_date$end_date$sort);
         return $response;
     }
     /**
@@ -15715,9 +15715,9 @@ public function getTimesheets($xero_tenant_id, $page = null, $filter = null, $st
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\Timesheets, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getTimesheetsWithHttpInfo($xero_tenant_id, $page = null, $filter = null, $status = null, $start_date = null, $end_date = null, $sort = null)
+    public function getTimesheetsWithHttpInfo($xero_tenant_id$page = null$filter = null$status = null$start_date = null$end_date = null$sort = null)
     {
-        $request = $this->getTimesheetsRequest($xero_tenant_id, $page, $filter, $status, $start_date, $end_date, $sort);
+        $request = $this->getTimesheetsRequest($xero_tenant_id$page$filter$status$start_date$end_date$sort);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -15796,9 +15796,9 @@ public function getTimesheetsWithHttpInfo($xero_tenant_id, $page = null, $filter
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getTimesheetsAsync($xero_tenant_id, $page = null, $filter = null, $status = null, $start_date = null, $end_date = null, $sort = null)
+    public function getTimesheetsAsync($xero_tenant_id$page = null$filter = null$status = null$start_date = null$end_date = null$sort = null)
     {
-        return $this->getTimesheetsAsyncWithHttpInfo($xero_tenant_id, $page, $filter, $status, $start_date, $end_date, $sort)
+        return $this->getTimesheetsAsyncWithHttpInfo($xero_tenant_id$page$filter$status$start_date$end_date$sort)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -15817,10 +15817,10 @@ function ($response) {
      * @param  string $sort sort the order of timesheets returned. The default is based on the timesheets createdDate, sorted oldest to newest. Currently, the only other option is to reverse the order based on the timesheets startDate, sorted newest to oldest. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getTimesheetsAsyncWithHttpInfo($xero_tenant_id, $page = null, $filter = null, $status = null, $start_date = null, $end_date = null, $sort = null)
+    public function getTimesheetsAsyncWithHttpInfo($xero_tenant_id$page = null$filter = null$status = null$start_date = null$end_date = null$sort = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\Timesheets';
-        $request = $this->getTimesheetsRequest($xero_tenant_id, $page, $filter, $status, $start_date, $end_date, $sort);
+        $request = $this->getTimesheetsRequest($xero_tenant_id$page$filter$status$start_date$end_date$sort);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -15865,7 +15865,7 @@ function ($exception) {
      * @param  string $sort sort the order of timesheets returned. The default is based on the timesheets createdDate, sorted oldest to newest. Currently, the only other option is to reverse the order based on the timesheets startDate, sorted newest to oldest. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getTimesheetsRequest($xero_tenant_id, $page = null, $filter = null, $status = null, $start_date = null, $end_date = null, $sort = null)
+    protected function getTimesheetsRequest($xero_tenant_id$page = null$filter = null$status = null$start_date = null$end_date = null$sort = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -16207,9 +16207,9 @@ protected function getTrackingCategoriesRequest($xero_tenant_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function revertTimesheet($xero_tenant_id, $timesheet_id)
+    public function revertTimesheet($xero_tenant_id$timesheet_id)
     {
-        list($response) = $this->revertTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id);
+        list($response) = $this->revertTimesheetWithHttpInfo($xero_tenant_id$timesheet_id);
         return $response;
     }
     /**
@@ -16221,9 +16221,9 @@ public function revertTimesheet($xero_tenant_id, $timesheet_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function revertTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id)
+    public function revertTimesheetWithHttpInfo($xero_tenant_id$timesheet_id)
     {
-        $request = $this->revertTimesheetRequest($xero_tenant_id, $timesheet_id);
+        $request = $this->revertTimesheetRequest($xero_tenant_id$timesheet_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -16316,9 +16316,9 @@ public function revertTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function revertTimesheetAsync($xero_tenant_id, $timesheet_id)
+    public function revertTimesheetAsync($xero_tenant_id$timesheet_id)
     {
-        return $this->revertTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
+        return $this->revertTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -16332,10 +16332,10 @@ function ($response) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function revertTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
+    public function revertTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetObject';
-        $request = $this->revertTimesheetRequest($xero_tenant_id, $timesheet_id);
+        $request = $this->revertTimesheetRequest($xero_tenant_id$timesheet_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -16375,7 +16375,7 @@ function ($exception) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function revertTimesheetRequest($xero_tenant_id, $timesheet_id)
+    protected function revertTimesheetRequest($xero_tenant_id$timesheet_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -16477,9 +16477,9 @@ protected function revertTimesheetRequest($xero_tenant_id, $timesheet_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function updateEmployee($xero_tenant_id, $employee_id, $employee)
+    public function updateEmployee($xero_tenant_id$employee_id$employee)
     {
-        list($response) = $this->updateEmployeeWithHttpInfo($xero_tenant_id, $employee_id, $employee);
+        list($response) = $this->updateEmployeeWithHttpInfo($xero_tenant_id$employee_id$employee);
         return $response;
     }
     /**
@@ -16492,9 +16492,9 @@ public function updateEmployee($xero_tenant_id, $employee_id, $employee)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateEmployeeWithHttpInfo($xero_tenant_id, $employee_id, $employee)
+    public function updateEmployeeWithHttpInfo($xero_tenant_id$employee_id$employee)
     {
-        $request = $this->updateEmployeeRequest($xero_tenant_id, $employee_id, $employee);
+        $request = $this->updateEmployeeRequest($xero_tenant_id$employee_id$employee);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -16588,9 +16588,9 @@ public function updateEmployeeWithHttpInfo($xero_tenant_id, $employee_id, $emplo
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateEmployeeAsync($xero_tenant_id, $employee_id, $employee)
+    public function updateEmployeeAsync($xero_tenant_id$employee_id$employee)
     {
-        return $this->updateEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee)
+        return $this->updateEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id$employee)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -16605,10 +16605,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Employee $employee (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee)
+    public function updateEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id$employee)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeObject';
-        $request = $this->updateEmployeeRequest($xero_tenant_id, $employee_id, $employee);
+        $request = $this->updateEmployeeRequest($xero_tenant_id$employee_id$employee);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -16649,7 +16649,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Employee $employee (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateEmployeeRequest($xero_tenant_id, $employee_id, $employee)
+    protected function updateEmployeeRequest($xero_tenant_id$employee_id$employee)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -16761,9 +16761,9 @@ protected function updateEmployeeRequest($xero_tenant_id, $employee_id, $employe
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplateObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function updateEmployeeEarningsTemplate($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template)
+    public function updateEmployeeEarningsTemplate($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template)
     {
-        list($response) = $this->updateEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template);
+        list($response) = $this->updateEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template);
         return $response;
     }
     /**
@@ -16777,9 +16777,9 @@ public function updateEmployeeEarningsTemplate($xero_tenant_id, $employee_id, $p
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplateObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template)
+    public function updateEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template)
     {
-        $request = $this->updateEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template);
+        $request = $this->updateEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -16874,9 +16874,9 @@ public function updateEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $emp
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateEmployeeEarningsTemplateAsync($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template)
+    public function updateEmployeeEarningsTemplateAsync($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template)
     {
-        return $this->updateEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template)
+        return $this->updateEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -16892,10 +16892,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplate $earnings_template (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template)
+    public function updateEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplateObject';
-        $request = $this->updateEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template);
+        $request = $this->updateEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -16937,7 +16937,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplate $earnings_template (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template)
+    protected function updateEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -17063,9 +17063,9 @@ protected function updateEmployeeEarningsTemplateRequest($xero_tenant_id, $emplo
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function updateEmployeeLeave($xero_tenant_id, $employee_id, $leave_id, $employee_leave)
+    public function updateEmployeeLeave($xero_tenant_id$employee_id$leave_id$employee_leave)
     {
-        list($response) = $this->updateEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $leave_id, $employee_leave);
+        list($response) = $this->updateEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$leave_id$employee_leave);
         return $response;
     }
     /**
@@ -17079,9 +17079,9 @@ public function updateEmployeeLeave($xero_tenant_id, $employee_id, $leave_id, $e
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $leave_id, $employee_leave)
+    public function updateEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$leave_id$employee_leave)
     {
-        $request = $this->updateEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id, $employee_leave);
+        $request = $this->updateEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id$employee_leave);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -17176,9 +17176,9 @@ public function updateEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateEmployeeLeaveAsync($xero_tenant_id, $employee_id, $leave_id, $employee_leave)
+    public function updateEmployeeLeaveAsync($xero_tenant_id$employee_id$leave_id$employee_leave)
     {
-        return $this->updateEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $leave_id, $employee_leave)
+        return $this->updateEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$leave_id$employee_leave)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -17194,10 +17194,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeave $employee_leave (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $leave_id, $employee_leave)
+    public function updateEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$leave_id$employee_leave)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveObject';
-        $request = $this->updateEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id, $employee_leave);
+        $request = $this->updateEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id$employee_leave);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -17239,7 +17239,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeave $employee_leave (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id, $employee_leave)
+    protected function updateEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id$employee_leave)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -17364,9 +17364,9 @@ protected function updateEmployeeLeaveRequest($xero_tenant_id, $employee_id, $le
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalancesObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function updateEmployeeOpeningBalances($xero_tenant_id, $employee_id, $employee_opening_balances)
+    public function updateEmployeeOpeningBalances($xero_tenant_id$employee_id$employee_opening_balances)
     {
-        list($response) = $this->updateEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id, $employee_id, $employee_opening_balances);
+        list($response) = $this->updateEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id$employee_id$employee_opening_balances);
         return $response;
     }
     /**
@@ -17379,9 +17379,9 @@ public function updateEmployeeOpeningBalances($xero_tenant_id, $employee_id, $em
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalancesObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id, $employee_id, $employee_opening_balances)
+    public function updateEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id$employee_id$employee_opening_balances)
     {
-        $request = $this->updateEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id, $employee_opening_balances);
+        $request = $this->updateEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id$employee_opening_balances);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -17475,9 +17475,9 @@ public function updateEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id, $empl
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateEmployeeOpeningBalancesAsync($xero_tenant_id, $employee_id, $employee_opening_balances)
+    public function updateEmployeeOpeningBalancesAsync($xero_tenant_id$employee_id$employee_opening_balances)
     {
-        return $this->updateEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_opening_balances)
+        return $this->updateEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_opening_balances)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -17492,10 +17492,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalances $employee_opening_balances (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_opening_balances)
+    public function updateEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_opening_balances)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalancesObject';
-        $request = $this->updateEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id, $employee_opening_balances);
+        $request = $this->updateEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id$employee_opening_balances);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -17536,7 +17536,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalances $employee_opening_balances (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id, $employee_opening_balances)
+    protected function updateEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id$employee_opening_balances)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -17648,9 +17648,9 @@ protected function updateEmployeeOpeningBalancesRequest($xero_tenant_id, $employ
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWageObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function updateEmployeeSalaryAndWage($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage)
+    public function updateEmployeeSalaryAndWage($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage)
     {
-        list($response) = $this->updateEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage);
+        list($response) = $this->updateEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage);
         return $response;
     }
     /**
@@ -17664,9 +17664,9 @@ public function updateEmployeeSalaryAndWage($xero_tenant_id, $employee_id, $sala
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWageObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage)
+    public function updateEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage)
     {
-        $request = $this->updateEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage);
+        $request = $this->updateEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -17761,9 +17761,9 @@ public function updateEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employ
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateEmployeeSalaryAndWageAsync($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage)
+    public function updateEmployeeSalaryAndWageAsync($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage)
     {
-        return $this->updateEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage)
+        return $this->updateEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -17779,10 +17779,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWage $salary_and_wage (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage)
+    public function updateEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWageObject';
-        $request = $this->updateEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage);
+        $request = $this->updateEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -17824,7 +17824,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWage $salary_and_wage (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage)
+    protected function updateEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -17949,9 +17949,9 @@ protected function updateEmployeeSalaryAndWageRequest($xero_tenant_id, $employee
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\PayRunObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function updatePayRun($xero_tenant_id, $pay_run_id, $pay_run)
+    public function updatePayRun($xero_tenant_id$pay_run_id$pay_run)
     {
-        list($response) = $this->updatePayRunWithHttpInfo($xero_tenant_id, $pay_run_id, $pay_run);
+        list($response) = $this->updatePayRunWithHttpInfo($xero_tenant_id$pay_run_id$pay_run);
         return $response;
     }
     /**
@@ -17964,9 +17964,9 @@ public function updatePayRun($xero_tenant_id, $pay_run_id, $pay_run)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\PayRunObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updatePayRunWithHttpInfo($xero_tenant_id, $pay_run_id, $pay_run)
+    public function updatePayRunWithHttpInfo($xero_tenant_id$pay_run_id$pay_run)
     {
-        $request = $this->updatePayRunRequest($xero_tenant_id, $pay_run_id, $pay_run);
+        $request = $this->updatePayRunRequest($xero_tenant_id$pay_run_id$pay_run);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -18060,9 +18060,9 @@ public function updatePayRunWithHttpInfo($xero_tenant_id, $pay_run_id, $pay_run)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updatePayRunAsync($xero_tenant_id, $pay_run_id, $pay_run)
+    public function updatePayRunAsync($xero_tenant_id$pay_run_id$pay_run)
     {
-        return $this->updatePayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run_id, $pay_run)
+        return $this->updatePayRunAsyncWithHttpInfo($xero_tenant_id$pay_run_id$pay_run)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -18077,10 +18077,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\PayRun $pay_run (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updatePayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run_id, $pay_run)
+    public function updatePayRunAsyncWithHttpInfo($xero_tenant_id$pay_run_id$pay_run)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\PayRunObject';
-        $request = $this->updatePayRunRequest($xero_tenant_id, $pay_run_id, $pay_run);
+        $request = $this->updatePayRunRequest($xero_tenant_id$pay_run_id$pay_run);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -18121,7 +18121,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\PayRun $pay_run (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updatePayRunRequest($xero_tenant_id, $pay_run_id, $pay_run)
+    protected function updatePayRunRequest($xero_tenant_id$pay_run_id$pay_run)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -18233,9 +18233,9 @@ protected function updatePayRunRequest($xero_tenant_id, $pay_run_id, $pay_run)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLineObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function updateTimesheetLine($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line)
+    public function updateTimesheetLine($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line)
     {
-        list($response) = $this->updateTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line);
+        list($response) = $this->updateTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line);
         return $response;
     }
     /**
@@ -18249,9 +18249,9 @@ public function updateTimesheetLine($xero_tenant_id, $timesheet_id, $timesheet_l
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLineObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line)
+    public function updateTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line)
     {
-        $request = $this->updateTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line);
+        $request = $this->updateTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -18346,9 +18346,9 @@ public function updateTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id,
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateTimesheetLineAsync($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line)
+    public function updateTimesheetLineAsync($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line)
     {
-        return $this->updateTimesheetLineAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line)
+        return $this->updateTimesheetLineAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -18364,10 +18364,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine $timesheet_line (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateTimesheetLineAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line)
+    public function updateTimesheetLineAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLineObject';
-        $request = $this->updateTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line);
+        $request = $this->updateTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -18409,7 +18409,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine $timesheet_line (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line)
+    protected function updateTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
diff --git a/lib/Api/ProjectApi.php b/lib/Api/ProjectApi.php
index 98f1c7c5..f01f69d1 100644
--- a/lib/Api/ProjectApi.php
+++ b/lib/Api/ProjectApi.php
@@ -14,10 +14,10 @@
  *
  * This is the Xero Projects API
  *
- * OpenAPI spec version: 2.19.3
+ * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
@@ -94,9 +94,9 @@ public function getConfig()
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Project\Project|\XeroAPI\XeroPHP\Models\Project\Error
      */
-    public function createProject($xero_tenant_id, $project_create_or_update)
+    public function createProject($xero_tenant_id$project_create_or_update)
     {
-        list($response) = $this->createProjectWithHttpInfo($xero_tenant_id, $project_create_or_update);
+        list($response) = $this->createProjectWithHttpInfo($xero_tenant_id$project_create_or_update);
         return $response;
     }
     /**
@@ -108,9 +108,9 @@ public function createProject($xero_tenant_id, $project_create_or_update)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Project\Project|\XeroAPI\XeroPHP\Models\Project\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createProjectWithHttpInfo($xero_tenant_id, $project_create_or_update)
+    public function createProjectWithHttpInfo($xero_tenant_id$project_create_or_update)
     {
-        $request = $this->createProjectRequest($xero_tenant_id, $project_create_or_update);
+        $request = $this->createProjectRequest($xero_tenant_id$project_create_or_update);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -203,9 +203,9 @@ public function createProjectWithHttpInfo($xero_tenant_id, $project_create_or_up
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createProjectAsync($xero_tenant_id, $project_create_or_update)
+    public function createProjectAsync($xero_tenant_id$project_create_or_update)
     {
-        return $this->createProjectAsyncWithHttpInfo($xero_tenant_id, $project_create_or_update)
+        return $this->createProjectAsyncWithHttpInfo($xero_tenant_id$project_create_or_update)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -219,10 +219,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Project\ProjectCreateOrUpdate $project_create_or_update Create a new project with ProjectCreateOrUpdate object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createProjectAsyncWithHttpInfo($xero_tenant_id, $project_create_or_update)
+    public function createProjectAsyncWithHttpInfo($xero_tenant_id$project_create_or_update)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Project\Project';
-        $request = $this->createProjectRequest($xero_tenant_id, $project_create_or_update);
+        $request = $this->createProjectRequest($xero_tenant_id$project_create_or_update);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -262,7 +262,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Project\ProjectCreateOrUpdate $project_create_or_update Create a new project with ProjectCreateOrUpdate object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createProjectRequest($xero_tenant_id, $project_create_or_update)
+    protected function createProjectRequest($xero_tenant_id$project_create_or_update)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -359,9 +359,9 @@ protected function createProjectRequest($xero_tenant_id, $project_create_or_upda
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Project\TimeEntry
      */
-    public function createTimeEntry($xero_tenant_id, $project_id, $time_entry_create_or_update)
+    public function createTimeEntry($xero_tenant_id$project_id$time_entry_create_or_update)
     {
-        list($response) = $this->createTimeEntryWithHttpInfo($xero_tenant_id, $project_id, $time_entry_create_or_update);
+        list($response) = $this->createTimeEntryWithHttpInfo($xero_tenant_id$project_id$time_entry_create_or_update);
         return $response;
     }
     /**
@@ -374,9 +374,9 @@ public function createTimeEntry($xero_tenant_id, $project_id, $time_entry_create
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Project\TimeEntry, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createTimeEntryWithHttpInfo($xero_tenant_id, $project_id, $time_entry_create_or_update)
+    public function createTimeEntryWithHttpInfo($xero_tenant_id$project_id$time_entry_create_or_update)
     {
-        $request = $this->createTimeEntryRequest($xero_tenant_id, $project_id, $time_entry_create_or_update);
+        $request = $this->createTimeEntryRequest($xero_tenant_id$project_id$time_entry_create_or_update);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -451,9 +451,9 @@ public function createTimeEntryWithHttpInfo($xero_tenant_id, $project_id, $time_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createTimeEntryAsync($xero_tenant_id, $project_id, $time_entry_create_or_update)
+    public function createTimeEntryAsync($xero_tenant_id$project_id$time_entry_create_or_update)
     {
-        return $this->createTimeEntryAsyncWithHttpInfo($xero_tenant_id, $project_id, $time_entry_create_or_update)
+        return $this->createTimeEntryAsyncWithHttpInfo($xero_tenant_id$project_id$time_entry_create_or_update)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -468,10 +468,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Project\TimeEntryCreateOrUpdate $time_entry_create_or_update The time entry object you are creating (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createTimeEntryAsyncWithHttpInfo($xero_tenant_id, $project_id, $time_entry_create_or_update)
+    public function createTimeEntryAsyncWithHttpInfo($xero_tenant_id$project_id$time_entry_create_or_update)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Project\TimeEntry';
-        $request = $this->createTimeEntryRequest($xero_tenant_id, $project_id, $time_entry_create_or_update);
+        $request = $this->createTimeEntryRequest($xero_tenant_id$project_id$time_entry_create_or_update);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -512,7 +512,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Project\TimeEntryCreateOrUpdate $time_entry_create_or_update The time entry object you are creating (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createTimeEntryRequest($xero_tenant_id, $project_id, $time_entry_create_or_update)
+    protected function createTimeEntryRequest($xero_tenant_id$project_id$time_entry_create_or_update)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -623,9 +623,9 @@ protected function createTimeEntryRequest($xero_tenant_id, $project_id, $time_en
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function deleteTimeEntry($xero_tenant_id, $project_id, $time_entry_id)
+    public function deleteTimeEntry($xero_tenant_id$project_id$time_entry_id)
     {
-        $this->deleteTimeEntryWithHttpInfo($xero_tenant_id, $project_id, $time_entry_id);
+        $this->deleteTimeEntryWithHttpInfo($xero_tenant_id$project_id$time_entry_id);
     }
     /**
      * Operation deleteTimeEntryWithHttpInfo
@@ -637,9 +637,9 @@ public function deleteTimeEntry($xero_tenant_id, $project_id, $time_entry_id)
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteTimeEntryWithHttpInfo($xero_tenant_id, $project_id, $time_entry_id)
+    public function deleteTimeEntryWithHttpInfo($xero_tenant_id$project_id$time_entry_id)
     {
-        $request = $this->deleteTimeEntryRequest($xero_tenant_id, $project_id, $time_entry_id);
+        $request = $this->deleteTimeEntryRequest($xero_tenant_id$project_id$time_entry_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -681,9 +681,9 @@ public function deleteTimeEntryWithHttpInfo($xero_tenant_id, $project_id, $time_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteTimeEntryAsync($xero_tenant_id, $project_id, $time_entry_id)
+    public function deleteTimeEntryAsync($xero_tenant_id$project_id$time_entry_id)
     {
-        return $this->deleteTimeEntryAsyncWithHttpInfo($xero_tenant_id, $project_id, $time_entry_id)
+        return $this->deleteTimeEntryAsyncWithHttpInfo($xero_tenant_id$project_id$time_entry_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -698,10 +698,10 @@ function ($response) {
      * @param  string $time_entry_id You can specify an individual task by appending the id to the endpoint (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteTimeEntryAsyncWithHttpInfo($xero_tenant_id, $project_id, $time_entry_id)
+    public function deleteTimeEntryAsyncWithHttpInfo($xero_tenant_id$project_id$time_entry_id)
     {
         $returnType = '';
-        $request = $this->deleteTimeEntryRequest($xero_tenant_id, $project_id, $time_entry_id);
+        $request = $this->deleteTimeEntryRequest($xero_tenant_id$project_id$time_entry_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -732,7 +732,7 @@ function ($exception) {
      * @param  string $time_entry_id You can specify an individual task by appending the id to the endpoint (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteTimeEntryRequest($xero_tenant_id, $project_id, $time_entry_id)
+    protected function deleteTimeEntryRequest($xero_tenant_id$project_id$time_entry_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -847,9 +847,9 @@ protected function deleteTimeEntryRequest($xero_tenant_id, $project_id, $time_en
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Project\Project|\XeroAPI\XeroPHP\Models\Project\Error
      */
-    public function getProject($xero_tenant_id, $project_id)
+    public function getProject($xero_tenant_id$project_id)
     {
-        list($response) = $this->getProjectWithHttpInfo($xero_tenant_id, $project_id);
+        list($response) = $this->getProjectWithHttpInfo($xero_tenant_id$project_id);
         return $response;
     }
     /**
@@ -861,9 +861,9 @@ public function getProject($xero_tenant_id, $project_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Project\Project|\XeroAPI\XeroPHP\Models\Project\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getProjectWithHttpInfo($xero_tenant_id, $project_id)
+    public function getProjectWithHttpInfo($xero_tenant_id$project_id)
     {
-        $request = $this->getProjectRequest($xero_tenant_id, $project_id);
+        $request = $this->getProjectRequest($xero_tenant_id$project_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -956,9 +956,9 @@ public function getProjectWithHttpInfo($xero_tenant_id, $project_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getProjectAsync($xero_tenant_id, $project_id)
+    public function getProjectAsync($xero_tenant_id$project_id)
     {
-        return $this->getProjectAsyncWithHttpInfo($xero_tenant_id, $project_id)
+        return $this->getProjectAsyncWithHttpInfo($xero_tenant_id$project_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -972,10 +972,10 @@ function ($response) {
      * @param  string $project_id You can specify an individual project by appending the projectId to the endpoint (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getProjectAsyncWithHttpInfo($xero_tenant_id, $project_id)
+    public function getProjectAsyncWithHttpInfo($xero_tenant_id$project_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Project\Project';
-        $request = $this->getProjectRequest($xero_tenant_id, $project_id);
+        $request = $this->getProjectRequest($xero_tenant_id$project_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1015,7 +1015,7 @@ function ($exception) {
      * @param  string $project_id You can specify an individual project by appending the projectId to the endpoint (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getProjectRequest($xero_tenant_id, $project_id)
+    protected function getProjectRequest($xero_tenant_id$project_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1117,9 +1117,9 @@ protected function getProjectRequest($xero_tenant_id, $project_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Project\ProjectUsers|\XeroAPI\XeroPHP\Models\Project\Error
      */
-    public function getProjectUsers($xero_tenant_id, $page = 1, $page_size = 50)
+    public function getProjectUsers($xero_tenant_id$page = 1$page_size = 50)
     {
-        list($response) = $this->getProjectUsersWithHttpInfo($xero_tenant_id, $page, $page_size);
+        list($response) = $this->getProjectUsersWithHttpInfo($xero_tenant_id$page$page_size);
         return $response;
     }
     /**
@@ -1132,9 +1132,9 @@ public function getProjectUsers($xero_tenant_id, $page = 1, $page_size = 50)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Project\ProjectUsers|\XeroAPI\XeroPHP\Models\Project\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getProjectUsersWithHttpInfo($xero_tenant_id, $page = 1, $page_size = 50)
+    public function getProjectUsersWithHttpInfo($xero_tenant_id$page = 1$page_size = 50)
     {
-        $request = $this->getProjectUsersRequest($xero_tenant_id, $page, $page_size);
+        $request = $this->getProjectUsersRequest($xero_tenant_id$page$page_size);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1228,9 +1228,9 @@ public function getProjectUsersWithHttpInfo($xero_tenant_id, $page = 1, $page_si
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getProjectUsersAsync($xero_tenant_id, $page = 1, $page_size = 50)
+    public function getProjectUsersAsync($xero_tenant_id$page = 1$page_size = 50)
     {
-        return $this->getProjectUsersAsyncWithHttpInfo($xero_tenant_id, $page, $page_size)
+        return $this->getProjectUsersAsyncWithHttpInfo($xero_tenant_id$page$page_size)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1245,10 +1245,10 @@ function ($response) {
      * @param  int $page_size Optional, it is set to 50 by default. The number of items to return per page in a paged response - Must be a number between 1 and 500. (optional, default to 50)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getProjectUsersAsyncWithHttpInfo($xero_tenant_id, $page = 1, $page_size = 50)
+    public function getProjectUsersAsyncWithHttpInfo($xero_tenant_id$page = 1$page_size = 50)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Project\ProjectUsers';
-        $request = $this->getProjectUsersRequest($xero_tenant_id, $page, $page_size);
+        $request = $this->getProjectUsersRequest($xero_tenant_id$page$page_size);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1289,7 +1289,7 @@ function ($exception) {
      * @param  int $page_size Optional, it is set to 50 by default. The number of items to return per page in a paged response - Must be a number between 1 and 500. (optional, default to 50)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getProjectUsersRequest($xero_tenant_id, $page = 1, $page_size = 50)
+    protected function getProjectUsersRequest($xero_tenant_id$page = 1$page_size = 50)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1395,9 +1395,9 @@ protected function getProjectUsersRequest($xero_tenant_id, $page = 1, $page_size
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Project\Projects|\XeroAPI\XeroPHP\Models\Project\Error
      */
-    public function getProjects($xero_tenant_id, $project_ids = null, $contact_id = null, $states = null, $page = 1, $page_size = 50)
+    public function getProjects($xero_tenant_id$project_ids = null$contact_id = null$states = null$page = 1$page_size = 50)
     {
-        list($response) = $this->getProjectsWithHttpInfo($xero_tenant_id, $project_ids, $contact_id, $states, $page, $page_size);
+        list($response) = $this->getProjectsWithHttpInfo($xero_tenant_id$project_ids$contact_id$states$page$page_size);
         return $response;
     }
     /**
@@ -1413,9 +1413,9 @@ public function getProjects($xero_tenant_id, $project_ids = null, $contact_id =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Project\Projects|\XeroAPI\XeroPHP\Models\Project\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getProjectsWithHttpInfo($xero_tenant_id, $project_ids = null, $contact_id = null, $states = null, $page = 1, $page_size = 50)
+    public function getProjectsWithHttpInfo($xero_tenant_id$project_ids = null$contact_id = null$states = null$page = 1$page_size = 50)
     {
-        $request = $this->getProjectsRequest($xero_tenant_id, $project_ids, $contact_id, $states, $page, $page_size);
+        $request = $this->getProjectsRequest($xero_tenant_id$project_ids$contact_id$states$page$page_size);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1512,9 +1512,9 @@ public function getProjectsWithHttpInfo($xero_tenant_id, $project_ids = null, $c
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getProjectsAsync($xero_tenant_id, $project_ids = null, $contact_id = null, $states = null, $page = 1, $page_size = 50)
+    public function getProjectsAsync($xero_tenant_id$project_ids = null$contact_id = null$states = null$page = 1$page_size = 50)
     {
-        return $this->getProjectsAsyncWithHttpInfo($xero_tenant_id, $project_ids, $contact_id, $states, $page, $page_size)
+        return $this->getProjectsAsyncWithHttpInfo($xero_tenant_id$project_ids$contact_id$states$page$page_size)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1532,10 +1532,10 @@ function ($response) {
      * @param  int $page_size Optional, it is set to 50 by default. The number of items to return per page in a paged response - Must be a number between 1 and 500. (optional, default to 50)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getProjectsAsyncWithHttpInfo($xero_tenant_id, $project_ids = null, $contact_id = null, $states = null, $page = 1, $page_size = 50)
+    public function getProjectsAsyncWithHttpInfo($xero_tenant_id$project_ids = null$contact_id = null$states = null$page = 1$page_size = 50)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Project\Projects';
-        $request = $this->getProjectsRequest($xero_tenant_id, $project_ids, $contact_id, $states, $page, $page_size);
+        $request = $this->getProjectsRequest($xero_tenant_id$project_ids$contact_id$states$page$page_size);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1579,7 +1579,7 @@ function ($exception) {
      * @param  int $page_size Optional, it is set to 50 by default. The number of items to return per page in a paged response - Must be a number between 1 and 500. (optional, default to 50)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getProjectsRequest($xero_tenant_id, $project_ids = null, $contact_id = null, $states = null, $page = 1, $page_size = 50)
+    protected function getProjectsRequest($xero_tenant_id$project_ids = null$contact_id = null$states = null$page = 1$page_size = 50)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1697,9 +1697,9 @@ protected function getProjectsRequest($xero_tenant_id, $project_ids = null, $con
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Project\Task
      */
-    public function getTask($xero_tenant_id, $project_id, $task_id)
+    public function getTask($xero_tenant_id$project_id$task_id)
     {
-        list($response) = $this->getTaskWithHttpInfo($xero_tenant_id, $project_id, $task_id);
+        list($response) = $this->getTaskWithHttpInfo($xero_tenant_id$project_id$task_id);
         return $response;
     }
     /**
@@ -1712,9 +1712,9 @@ public function getTask($xero_tenant_id, $project_id, $task_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Project\Task, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getTaskWithHttpInfo($xero_tenant_id, $project_id, $task_id)
+    public function getTaskWithHttpInfo($xero_tenant_id$project_id$task_id)
     {
-        $request = $this->getTaskRequest($xero_tenant_id, $project_id, $task_id);
+        $request = $this->getTaskRequest($xero_tenant_id$project_id$task_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1789,9 +1789,9 @@ public function getTaskWithHttpInfo($xero_tenant_id, $project_id, $task_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getTaskAsync($xero_tenant_id, $project_id, $task_id)
+    public function getTaskAsync($xero_tenant_id$project_id$task_id)
     {
-        return $this->getTaskAsyncWithHttpInfo($xero_tenant_id, $project_id, $task_id)
+        return $this->getTaskAsyncWithHttpInfo($xero_tenant_id$project_id$task_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1806,10 +1806,10 @@ function ($response) {
      * @param  string $task_id You can specify an individual task by appending the taskId to the endpoint, i.e. GET https://.../tasks/{taskID} (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getTaskAsyncWithHttpInfo($xero_tenant_id, $project_id, $task_id)
+    public function getTaskAsyncWithHttpInfo($xero_tenant_id$project_id$task_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Project\Task';
-        $request = $this->getTaskRequest($xero_tenant_id, $project_id, $task_id);
+        $request = $this->getTaskRequest($xero_tenant_id$project_id$task_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1850,7 +1850,7 @@ function ($exception) {
      * @param  string $task_id You can specify an individual task by appending the taskId to the endpoint, i.e. GET https://.../tasks/{taskID} (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getTaskRequest($xero_tenant_id, $project_id, $task_id)
+    protected function getTaskRequest($xero_tenant_id$project_id$task_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1969,9 +1969,9 @@ protected function getTaskRequest($xero_tenant_id, $project_id, $task_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Project\Tasks
      */
-    public function getTasks($xero_tenant_id, $project_id, $page = null, $page_size = null, $task_ids = null, $charge_type = null)
+    public function getTasks($xero_tenant_id$project_id$page = null$page_size = null$task_ids = null$charge_type = null)
     {
-        list($response) = $this->getTasksWithHttpInfo($xero_tenant_id, $project_id, $page, $page_size, $task_ids, $charge_type);
+        list($response) = $this->getTasksWithHttpInfo($xero_tenant_id$project_id$page$page_size$task_ids$charge_type);
         return $response;
     }
     /**
@@ -1987,9 +1987,9 @@ public function getTasks($xero_tenant_id, $project_id, $page = null, $page_size
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Project\Tasks, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getTasksWithHttpInfo($xero_tenant_id, $project_id, $page = null, $page_size = null, $task_ids = null, $charge_type = null)
+    public function getTasksWithHttpInfo($xero_tenant_id$project_id$page = null$page_size = null$task_ids = null$charge_type = null)
     {
-        $request = $this->getTasksRequest($xero_tenant_id, $project_id, $page, $page_size, $task_ids, $charge_type);
+        $request = $this->getTasksRequest($xero_tenant_id$project_id$page$page_size$task_ids$charge_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2067,9 +2067,9 @@ public function getTasksWithHttpInfo($xero_tenant_id, $project_id, $page = null,
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getTasksAsync($xero_tenant_id, $project_id, $page = null, $page_size = null, $task_ids = null, $charge_type = null)
+    public function getTasksAsync($xero_tenant_id$project_id$page = null$page_size = null$task_ids = null$charge_type = null)
     {
-        return $this->getTasksAsyncWithHttpInfo($xero_tenant_id, $project_id, $page, $page_size, $task_ids, $charge_type)
+        return $this->getTasksAsyncWithHttpInfo($xero_tenant_id$project_id$page$page_size$task_ids$charge_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2087,10 +2087,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Project\ChargeType $charge_type (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getTasksAsyncWithHttpInfo($xero_tenant_id, $project_id, $page = null, $page_size = null, $task_ids = null, $charge_type = null)
+    public function getTasksAsyncWithHttpInfo($xero_tenant_id$project_id$page = null$page_size = null$task_ids = null$charge_type = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Project\Tasks';
-        $request = $this->getTasksRequest($xero_tenant_id, $project_id, $page, $page_size, $task_ids, $charge_type);
+        $request = $this->getTasksRequest($xero_tenant_id$project_id$page$page_size$task_ids$charge_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2134,7 +2134,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Project\ChargeType $charge_type (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getTasksRequest($xero_tenant_id, $project_id, $page = null, $page_size = null, $task_ids = null, $charge_type = null)
+    protected function getTasksRequest($xero_tenant_id$project_id$page = null$page_size = null$task_ids = null$charge_type = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2261,9 +2261,9 @@ protected function getTasksRequest($xero_tenant_id, $project_id, $page = null, $
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Project\TimeEntries
      */
-    public function getTimeEntries($xero_tenant_id, $project_id, $user_id = null, $task_id = null, $invoice_id = null, $contact_id = null, $page = null, $page_size = null, $states = null, $is_chargeable = null, $date_after_utc = null, $date_before_utc = null)
+    public function getTimeEntries($xero_tenant_id$project_id$user_id = null$task_id = null$invoice_id = null$contact_id = null$page = null$page_size = null$states = null$is_chargeable = null$date_after_utc = null$date_before_utc = null)
     {
-        list($response) = $this->getTimeEntriesWithHttpInfo($xero_tenant_id, $project_id, $user_id, $task_id, $invoice_id, $contact_id, $page, $page_size, $states, $is_chargeable, $date_after_utc, $date_before_utc);
+        list($response) = $this->getTimeEntriesWithHttpInfo($xero_tenant_id$project_id$user_id$task_id$invoice_id$contact_id$page$page_size$states$is_chargeable$date_after_utc$date_before_utc);
         return $response;
     }
     /**
@@ -2285,9 +2285,9 @@ public function getTimeEntries($xero_tenant_id, $project_id, $user_id = null, $t
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Project\TimeEntries, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getTimeEntriesWithHttpInfo($xero_tenant_id, $project_id, $user_id = null, $task_id = null, $invoice_id = null, $contact_id = null, $page = null, $page_size = null, $states = null, $is_chargeable = null, $date_after_utc = null, $date_before_utc = null)
+    public function getTimeEntriesWithHttpInfo($xero_tenant_id$project_id$user_id = null$task_id = null$invoice_id = null$contact_id = null$page = null$page_size = null$states = null$is_chargeable = null$date_after_utc = null$date_before_utc = null)
     {
-        $request = $this->getTimeEntriesRequest($xero_tenant_id, $project_id, $user_id, $task_id, $invoice_id, $contact_id, $page, $page_size, $states, $is_chargeable, $date_after_utc, $date_before_utc);
+        $request = $this->getTimeEntriesRequest($xero_tenant_id$project_id$user_id$task_id$invoice_id$contact_id$page$page_size$states$is_chargeable$date_after_utc$date_before_utc);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2371,9 +2371,9 @@ public function getTimeEntriesWithHttpInfo($xero_tenant_id, $project_id, $user_i
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getTimeEntriesAsync($xero_tenant_id, $project_id, $user_id = null, $task_id = null, $invoice_id = null, $contact_id = null, $page = null, $page_size = null, $states = null, $is_chargeable = null, $date_after_utc = null, $date_before_utc = null)
+    public function getTimeEntriesAsync($xero_tenant_id$project_id$user_id = null$task_id = null$invoice_id = null$contact_id = null$page = null$page_size = null$states = null$is_chargeable = null$date_after_utc = null$date_before_utc = null)
     {
-        return $this->getTimeEntriesAsyncWithHttpInfo($xero_tenant_id, $project_id, $user_id, $task_id, $invoice_id, $contact_id, $page, $page_size, $states, $is_chargeable, $date_after_utc, $date_before_utc)
+        return $this->getTimeEntriesAsyncWithHttpInfo($xero_tenant_id$project_id$user_id$task_id$invoice_id$contact_id$page$page_size$states$is_chargeable$date_after_utc$date_before_utc)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2397,10 +2397,10 @@ function ($response) {
      * @param  \DateTime $date_before_utc ISO 8601 UTC date. Finds all time entries on or before this date filtered on the &#x60;dateUtc&#x60; field. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getTimeEntriesAsyncWithHttpInfo($xero_tenant_id, $project_id, $user_id = null, $task_id = null, $invoice_id = null, $contact_id = null, $page = null, $page_size = null, $states = null, $is_chargeable = null, $date_after_utc = null, $date_before_utc = null)
+    public function getTimeEntriesAsyncWithHttpInfo($xero_tenant_id$project_id$user_id = null$task_id = null$invoice_id = null$contact_id = null$page = null$page_size = null$states = null$is_chargeable = null$date_after_utc = null$date_before_utc = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Project\TimeEntries';
-        $request = $this->getTimeEntriesRequest($xero_tenant_id, $project_id, $user_id, $task_id, $invoice_id, $contact_id, $page, $page_size, $states, $is_chargeable, $date_after_utc, $date_before_utc);
+        $request = $this->getTimeEntriesRequest($xero_tenant_id$project_id$user_id$task_id$invoice_id$contact_id$page$page_size$states$is_chargeable$date_after_utc$date_before_utc);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2450,7 +2450,7 @@ function ($exception) {
      * @param  \DateTime $date_before_utc ISO 8601 UTC date. Finds all time entries on or before this date filtered on the &#x60;dateUtc&#x60; field. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getTimeEntriesRequest($xero_tenant_id, $project_id, $user_id = null, $task_id = null, $invoice_id = null, $contact_id = null, $page = null, $page_size = null, $states = null, $is_chargeable = null, $date_after_utc = null, $date_before_utc = null)
+    protected function getTimeEntriesRequest($xero_tenant_id$project_id$user_id = null$task_id = null$invoice_id = null$contact_id = null$page = null$page_size = null$states = null$is_chargeable = null$date_after_utc = null$date_before_utc = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2595,9 +2595,9 @@ protected function getTimeEntriesRequest($xero_tenant_id, $project_id, $user_id
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Project\TimeEntry
      */
-    public function getTimeEntry($xero_tenant_id, $project_id, $time_entry_id)
+    public function getTimeEntry($xero_tenant_id$project_id$time_entry_id)
     {
-        list($response) = $this->getTimeEntryWithHttpInfo($xero_tenant_id, $project_id, $time_entry_id);
+        list($response) = $this->getTimeEntryWithHttpInfo($xero_tenant_id$project_id$time_entry_id);
         return $response;
     }
     /**
@@ -2610,9 +2610,9 @@ public function getTimeEntry($xero_tenant_id, $project_id, $time_entry_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Project\TimeEntry, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getTimeEntryWithHttpInfo($xero_tenant_id, $project_id, $time_entry_id)
+    public function getTimeEntryWithHttpInfo($xero_tenant_id$project_id$time_entry_id)
     {
-        $request = $this->getTimeEntryRequest($xero_tenant_id, $project_id, $time_entry_id);
+        $request = $this->getTimeEntryRequest($xero_tenant_id$project_id$time_entry_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2687,9 +2687,9 @@ public function getTimeEntryWithHttpInfo($xero_tenant_id, $project_id, $time_ent
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getTimeEntryAsync($xero_tenant_id, $project_id, $time_entry_id)
+    public function getTimeEntryAsync($xero_tenant_id$project_id$time_entry_id)
     {
-        return $this->getTimeEntryAsyncWithHttpInfo($xero_tenant_id, $project_id, $time_entry_id)
+        return $this->getTimeEntryAsyncWithHttpInfo($xero_tenant_id$project_id$time_entry_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2704,10 +2704,10 @@ function ($response) {
      * @param  string $time_entry_id You can specify an individual time entry by appending the id to the endpoint (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getTimeEntryAsyncWithHttpInfo($xero_tenant_id, $project_id, $time_entry_id)
+    public function getTimeEntryAsyncWithHttpInfo($xero_tenant_id$project_id$time_entry_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Project\TimeEntry';
-        $request = $this->getTimeEntryRequest($xero_tenant_id, $project_id, $time_entry_id);
+        $request = $this->getTimeEntryRequest($xero_tenant_id$project_id$time_entry_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2748,7 +2748,7 @@ function ($exception) {
      * @param  string $time_entry_id You can specify an individual time entry by appending the id to the endpoint (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getTimeEntryRequest($xero_tenant_id, $project_id, $time_entry_id)
+    protected function getTimeEntryRequest($xero_tenant_id$project_id$time_entry_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2864,9 +2864,9 @@ protected function getTimeEntryRequest($xero_tenant_id, $project_id, $time_entry
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function patchProject($xero_tenant_id, $project_id, $project_patch)
+    public function patchProject($xero_tenant_id$project_id$project_patch)
     {
-        $this->patchProjectWithHttpInfo($xero_tenant_id, $project_id, $project_patch);
+        $this->patchProjectWithHttpInfo($xero_tenant_id$project_id$project_patch);
     }
     /**
      * Operation patchProjectWithHttpInfo
@@ -2878,9 +2878,9 @@ public function patchProject($xero_tenant_id, $project_id, $project_patch)
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function patchProjectWithHttpInfo($xero_tenant_id, $project_id, $project_patch)
+    public function patchProjectWithHttpInfo($xero_tenant_id$project_id$project_patch)
     {
-        $request = $this->patchProjectRequest($xero_tenant_id, $project_id, $project_patch);
+        $request = $this->patchProjectRequest($xero_tenant_id$project_id$project_patch);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2930,9 +2930,9 @@ public function patchProjectWithHttpInfo($xero_tenant_id, $project_id, $project_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function patchProjectAsync($xero_tenant_id, $project_id, $project_patch)
+    public function patchProjectAsync($xero_tenant_id$project_id$project_patch)
     {
-        return $this->patchProjectAsyncWithHttpInfo($xero_tenant_id, $project_id, $project_patch)
+        return $this->patchProjectAsyncWithHttpInfo($xero_tenant_id$project_id$project_patch)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2947,10 +2947,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Project\ProjectPatch $project_patch Update the status of an existing Project (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function patchProjectAsyncWithHttpInfo($xero_tenant_id, $project_id, $project_patch)
+    public function patchProjectAsyncWithHttpInfo($xero_tenant_id$project_id$project_patch)
     {
         $returnType = '';
-        $request = $this->patchProjectRequest($xero_tenant_id, $project_id, $project_patch);
+        $request = $this->patchProjectRequest($xero_tenant_id$project_id$project_patch);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2981,7 +2981,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Project\ProjectPatch $project_patch Update the status of an existing Project (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function patchProjectRequest($xero_tenant_id, $project_id, $project_patch)
+    protected function patchProjectRequest($xero_tenant_id$project_id$project_patch)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3092,9 +3092,9 @@ protected function patchProjectRequest($xero_tenant_id, $project_id, $project_pa
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function updateProject($xero_tenant_id, $project_id, $project_create_or_update)
+    public function updateProject($xero_tenant_id$project_id$project_create_or_update)
     {
-        $this->updateProjectWithHttpInfo($xero_tenant_id, $project_id, $project_create_or_update);
+        $this->updateProjectWithHttpInfo($xero_tenant_id$project_id$project_create_or_update);
     }
     /**
      * Operation updateProjectWithHttpInfo
@@ -3106,9 +3106,9 @@ public function updateProject($xero_tenant_id, $project_id, $project_create_or_u
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateProjectWithHttpInfo($xero_tenant_id, $project_id, $project_create_or_update)
+    public function updateProjectWithHttpInfo($xero_tenant_id$project_id$project_create_or_update)
     {
-        $request = $this->updateProjectRequest($xero_tenant_id, $project_id, $project_create_or_update);
+        $request = $this->updateProjectRequest($xero_tenant_id$project_id$project_create_or_update);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3158,9 +3158,9 @@ public function updateProjectWithHttpInfo($xero_tenant_id, $project_id, $project
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateProjectAsync($xero_tenant_id, $project_id, $project_create_or_update)
+    public function updateProjectAsync($xero_tenant_id$project_id$project_create_or_update)
     {
-        return $this->updateProjectAsyncWithHttpInfo($xero_tenant_id, $project_id, $project_create_or_update)
+        return $this->updateProjectAsyncWithHttpInfo($xero_tenant_id$project_id$project_create_or_update)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3175,10 +3175,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Project\ProjectCreateOrUpdate $project_create_or_update Request of type ProjectCreateOrUpdate (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateProjectAsyncWithHttpInfo($xero_tenant_id, $project_id, $project_create_or_update)
+    public function updateProjectAsyncWithHttpInfo($xero_tenant_id$project_id$project_create_or_update)
     {
         $returnType = '';
-        $request = $this->updateProjectRequest($xero_tenant_id, $project_id, $project_create_or_update);
+        $request = $this->updateProjectRequest($xero_tenant_id$project_id$project_create_or_update);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3209,7 +3209,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Project\ProjectCreateOrUpdate $project_create_or_update Request of type ProjectCreateOrUpdate (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateProjectRequest($xero_tenant_id, $project_id, $project_create_or_update)
+    protected function updateProjectRequest($xero_tenant_id$project_id$project_create_or_update)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3321,9 +3321,9 @@ protected function updateProjectRequest($xero_tenant_id, $project_id, $project_c
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function updateTimeEntry($xero_tenant_id, $project_id, $time_entry_id, $time_entry_create_or_update)
+    public function updateTimeEntry($xero_tenant_id$project_id$time_entry_id$time_entry_create_or_update)
     {
-        $this->updateTimeEntryWithHttpInfo($xero_tenant_id, $project_id, $time_entry_id, $time_entry_create_or_update);
+        $this->updateTimeEntryWithHttpInfo($xero_tenant_id$project_id$time_entry_id$time_entry_create_or_update);
     }
     /**
      * Operation updateTimeEntryWithHttpInfo
@@ -3336,9 +3336,9 @@ public function updateTimeEntry($xero_tenant_id, $project_id, $time_entry_id, $t
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateTimeEntryWithHttpInfo($xero_tenant_id, $project_id, $time_entry_id, $time_entry_create_or_update)
+    public function updateTimeEntryWithHttpInfo($xero_tenant_id$project_id$time_entry_id$time_entry_create_or_update)
     {
-        $request = $this->updateTimeEntryRequest($xero_tenant_id, $project_id, $time_entry_id, $time_entry_create_or_update);
+        $request = $this->updateTimeEntryRequest($xero_tenant_id$project_id$time_entry_id$time_entry_create_or_update);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3381,9 +3381,9 @@ public function updateTimeEntryWithHttpInfo($xero_tenant_id, $project_id, $time_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateTimeEntryAsync($xero_tenant_id, $project_id, $time_entry_id, $time_entry_create_or_update)
+    public function updateTimeEntryAsync($xero_tenant_id$project_id$time_entry_id$time_entry_create_or_update)
     {
-        return $this->updateTimeEntryAsyncWithHttpInfo($xero_tenant_id, $project_id, $time_entry_id, $time_entry_create_or_update)
+        return $this->updateTimeEntryAsyncWithHttpInfo($xero_tenant_id$project_id$time_entry_id$time_entry_create_or_update)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3399,10 +3399,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Project\TimeEntryCreateOrUpdate $time_entry_create_or_update The time entry object you are updating (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateTimeEntryAsyncWithHttpInfo($xero_tenant_id, $project_id, $time_entry_id, $time_entry_create_or_update)
+    public function updateTimeEntryAsyncWithHttpInfo($xero_tenant_id$project_id$time_entry_id$time_entry_create_or_update)
     {
         $returnType = '';
-        $request = $this->updateTimeEntryRequest($xero_tenant_id, $project_id, $time_entry_id, $time_entry_create_or_update);
+        $request = $this->updateTimeEntryRequest($xero_tenant_id$project_id$time_entry_id$time_entry_create_or_update);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3434,7 +3434,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Project\TimeEntryCreateOrUpdate $time_entry_create_or_update The time entry object you are updating (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateTimeEntryRequest($xero_tenant_id, $project_id, $time_entry_id, $time_entry_create_or_update)
+    protected function updateTimeEntryRequest($xero_tenant_id$project_id$time_entry_id$time_entry_create_or_update)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
diff --git a/lib/AppStoreObjectSerializer.php b/lib/AppStoreObjectSerializer.php
index 0a41b741..876793ad 100644
--- a/lib/AppStoreObjectSerializer.php
+++ b/lib/AppStoreObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {
diff --git a/lib/AssetObjectSerializer.php b/lib/AssetObjectSerializer.php
index 9cbc8fa0..cde56e9a 100644
--- a/lib/AssetObjectSerializer.php
+++ b/lib/AssetObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {
diff --git a/lib/Configuration.php b/lib/Configuration.php
index fbe1f1ec..0841c64d 100644
--- a/lib/Configuration.php
+++ b/lib/Configuration.php
@@ -16,7 +16,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -157,7 +157,7 @@ class Configuration
      *
      * @var string
      */
-    protected $userAgent = '[xero-php-oauth2 (2.12.1)]';
+    protected $userAgent = '[xero-php-oauth2 (2.13.0)]';
 
     /**
      * Debug switch (default set to false)
@@ -696,8 +696,8 @@ public static function toDebugReport()
         $report  = 'PHP SDK (XeroAPI\XeroPHP) Debug Report:' . PHP_EOL;
         $report .= '    OS: ' . php_uname() . PHP_EOL;
         $report .= '    PHP Version: ' . PHP_VERSION . PHP_EOL;
-        $report .= '    OpenAPI Spec Version: 2.19.3' . PHP_EOL;
-        $report .= '    SDK Package Version: 2.12.1' . PHP_EOL;
+        $report .= '    OpenAPI Spec Version: 2.21.0' . PHP_EOL;
+        $report .= '    SDK Package Version: 2.13.0' . PHP_EOL;
         $report .= '    Temp Folder Path: ' . self::getDefaultConfiguration()->getTempFolderPath() . PHP_EOL;
 
         return $report;
diff --git a/lib/FileObjectSerializer.php b/lib/FileObjectSerializer.php
index 30a3c5e8..9bac0e10 100644
--- a/lib/FileObjectSerializer.php
+++ b/lib/FileObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {
diff --git a/lib/FinanceObjectSerializer.php b/lib/FinanceObjectSerializer.php
index 867ce564..b1600046 100644
--- a/lib/FinanceObjectSerializer.php
+++ b/lib/FinanceObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {
diff --git a/lib/IdentityObjectSerializer.php b/lib/IdentityObjectSerializer.php
index 4a1e1ab2..aa2ddbd7 100644
--- a/lib/IdentityObjectSerializer.php
+++ b/lib/IdentityObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {
diff --git a/lib/Models/Accounting/Account.php b/lib/Models/Accounting/Account.php
index b9c285da..48fcf509 100644
--- a/lib/Models/Accounting/Account.php
+++ b/lib/Models/Accounting/Account.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Account Class Doc Comment
  *
@@ -56,26 +58,7 @@ class Account implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'code' => 'string',
-        'name' => 'string',
-        'account_id' => 'string',
-        'type' => '\XeroAPI\XeroPHP\Models\Accounting\AccountType',
-        'bank_account_number' => 'string',
-        'status' => 'string',
-        'description' => 'string',
-        'bank_account_type' => 'string',
-        'currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode',
-        'tax_type' => 'string',
-        'enable_payments_to_account' => 'bool',
-        'show_in_expense_claims' => 'bool',
-        'class' => 'string',
-        'system_account' => 'string',
-        'reporting_code' => 'string',
-        'reporting_code_name' => 'string',
-        'has_attachments' => 'bool',
-        'updated_date_utc' => 'string',
-        'add_to_watchlist' => 'bool',
-        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
+        'code' => 'string''name' => 'string''account_id' => 'string''type' => '\XeroAPI\XeroPHP\Models\Accounting\AccountType''bank_account_number' => 'string''status' => 'string''description' => 'string''bank_account_type' => 'string''currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode''tax_type' => 'string''enable_payments_to_account' => 'bool''show_in_expense_claims' => 'bool''class' => 'string''system_account' => 'string''reporting_code' => 'string''reporting_code_name' => 'string''has_attachments' => 'bool''updated_date_utc' => 'string''add_to_watchlist' => 'bool''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
     ];
 
     /**
@@ -84,26 +67,7 @@ class Account implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'code' => null,
-        'name' => null,
-        'account_id' => 'uuid',
-        'type' => null,
-        'bank_account_number' => null,
-        'status' => null,
-        'description' => null,
-        'bank_account_type' => null,
-        'currency_code' => null,
-        'tax_type' => null,
-        'enable_payments_to_account' => null,
-        'show_in_expense_claims' => null,
-        'class' => null,
-        'system_account' => null,
-        'reporting_code' => null,
-        'reporting_code_name' => null,
-        'has_attachments' => null,
-        'updated_date_utc' => null,
-        'add_to_watchlist' => null,
-        'validation_errors' => null
+        'code' => null'name' => null'account_id' => 'uuid''type' => null'bank_account_number' => null'status' => null'description' => null'bank_account_type' => null'currency_code' => null'tax_type' => null'enable_payments_to_account' => null'show_in_expense_claims' => null'class' => null'system_account' => null'reporting_code' => null'reporting_code_name' => null'has_attachments' => null'updated_date_utc' => null'add_to_watchlist' => null'validation_errors' => null
     ];
 
     /**
@@ -133,26 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'code' => 'Code',
-        'name' => 'Name',
-        'account_id' => 'AccountID',
-        'type' => 'Type',
-        'bank_account_number' => 'BankAccountNumber',
-        'status' => 'Status',
-        'description' => 'Description',
-        'bank_account_type' => 'BankAccountType',
-        'currency_code' => 'CurrencyCode',
-        'tax_type' => 'TaxType',
-        'enable_payments_to_account' => 'EnablePaymentsToAccount',
-        'show_in_expense_claims' => 'ShowInExpenseClaims',
-        'class' => 'Class',
-        'system_account' => 'SystemAccount',
-        'reporting_code' => 'ReportingCode',
-        'reporting_code_name' => 'ReportingCodeName',
-        'has_attachments' => 'HasAttachments',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'add_to_watchlist' => 'AddToWatchlist',
-        'validation_errors' => 'ValidationErrors'
+        'code' => 'Code''name' => 'Name''account_id' => 'AccountID''type' => 'Type''bank_account_number' => 'BankAccountNumber''status' => 'Status''description' => 'Description''bank_account_type' => 'BankAccountType''currency_code' => 'CurrencyCode''tax_type' => 'TaxType''enable_payments_to_account' => 'EnablePaymentsToAccount''show_in_expense_claims' => 'ShowInExpenseClaims''class' => 'Class''system_account' => 'SystemAccount''reporting_code' => 'ReportingCode''reporting_code_name' => 'ReportingCodeName''has_attachments' => 'HasAttachments''updated_date_utc' => 'UpdatedDateUTC''add_to_watchlist' => 'AddToWatchlist''validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -161,26 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'code' => 'setCode',
-        'name' => 'setName',
-        'account_id' => 'setAccountId',
-        'type' => 'setType',
-        'bank_account_number' => 'setBankAccountNumber',
-        'status' => 'setStatus',
-        'description' => 'setDescription',
-        'bank_account_type' => 'setBankAccountType',
-        'currency_code' => 'setCurrencyCode',
-        'tax_type' => 'setTaxType',
-        'enable_payments_to_account' => 'setEnablePaymentsToAccount',
-        'show_in_expense_claims' => 'setShowInExpenseClaims',
-        'class' => 'setClass',
-        'system_account' => 'setSystemAccount',
-        'reporting_code' => 'setReportingCode',
-        'reporting_code_name' => 'setReportingCodeName',
-        'has_attachments' => 'setHasAttachments',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'add_to_watchlist' => 'setAddToWatchlist',
-        'validation_errors' => 'setValidationErrors'
+        'code' => 'setCode''name' => 'setName''account_id' => 'setAccountId''type' => 'setType''bank_account_number' => 'setBankAccountNumber''status' => 'setStatus''description' => 'setDescription''bank_account_type' => 'setBankAccountType''currency_code' => 'setCurrencyCode''tax_type' => 'setTaxType''enable_payments_to_account' => 'setEnablePaymentsToAccount''show_in_expense_claims' => 'setShowInExpenseClaims''class' => 'setClass''system_account' => 'setSystemAccount''reporting_code' => 'setReportingCode''reporting_code_name' => 'setReportingCodeName''has_attachments' => 'setHasAttachments''updated_date_utc' => 'setUpdatedDateUtc''add_to_watchlist' => 'setAddToWatchlist''validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -189,26 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'code' => 'getCode',
-        'name' => 'getName',
-        'account_id' => 'getAccountId',
-        'type' => 'getType',
-        'bank_account_number' => 'getBankAccountNumber',
-        'status' => 'getStatus',
-        'description' => 'getDescription',
-        'bank_account_type' => 'getBankAccountType',
-        'currency_code' => 'getCurrencyCode',
-        'tax_type' => 'getTaxType',
-        'enable_payments_to_account' => 'getEnablePaymentsToAccount',
-        'show_in_expense_claims' => 'getShowInExpenseClaims',
-        'class' => 'getClass',
-        'system_account' => 'getSystemAccount',
-        'reporting_code' => 'getReportingCode',
-        'reporting_code_name' => 'getReportingCodeName',
-        'has_attachments' => 'getHasAttachments',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'add_to_watchlist' => 'getAddToWatchlist',
-        'validation_errors' => 'getValidationErrors'
+        'code' => 'getCode''name' => 'getName''account_id' => 'getAccountId''type' => 'getType''bank_account_number' => 'getBankAccountNumber''status' => 'getStatus''description' => 'getDescription''bank_account_type' => 'getBankAccountType''currency_code' => 'getCurrencyCode''tax_type' => 'getTaxType''enable_payments_to_account' => 'getEnablePaymentsToAccount''show_in_expense_claims' => 'getShowInExpenseClaims''class' => 'getClass''system_account' => 'getSystemAccount''reporting_code' => 'getReportingCode''reporting_code_name' => 'getReportingCodeName''has_attachments' => 'getHasAttachments''updated_date_utc' => 'getUpdatedDateUtc''add_to_watchlist' => 'getAddToWatchlist''validation_errors' => 'getValidationErrors'
     ];
 
     /**
@@ -1054,6 +961,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1066,6 +974,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1079,6 +988,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1095,6 +1005,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/AccountType.php b/lib/Models/Accounting/AccountType.php
index 81730688..dd251beb 100644
--- a/lib/Models/Accounting/AccountType.php
+++ b/lib/Models/Accounting/AccountType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\Accounting;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * AccountType Class Doc Comment
  *
diff --git a/lib/Models/Accounting/Accounts.php b/lib/Models/Accounting/Accounts.php
index 120b42c2..28e2da51 100644
--- a/lib/Models/Accounting/Accounts.php
+++ b/lib/Models/Accounting/Accounts.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Accounts Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setAccounts($accounts)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['accounts'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['accounts'][$offset]) ? $this->container['accounts'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['accounts'][$offset]);
diff --git a/lib/Models/Accounting/AccountsPayable.php b/lib/Models/Accounting/AccountsPayable.php
index 9f0a638c..b1cfbeba 100644
--- a/lib/Models/Accounting/AccountsPayable.php
+++ b/lib/Models/Accounting/AccountsPayable.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * AccountsPayable Class Doc Comment
  *
@@ -56,8 +58,7 @@ class AccountsPayable implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'outstanding' => 'double',
-        'overdue' => 'double'
+        'outstanding' => 'double''overdue' => 'double'
     ];
 
     /**
@@ -66,8 +67,7 @@ class AccountsPayable implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'outstanding' => 'double',
-        'overdue' => 'double'
+        'outstanding' => 'double''overdue' => 'double'
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'outstanding' => 'Outstanding',
-        'overdue' => 'Overdue'
+        'outstanding' => 'Outstanding''overdue' => 'Overdue'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'outstanding' => 'setOutstanding',
-        'overdue' => 'setOverdue'
+        'outstanding' => 'setOutstanding''overdue' => 'setOverdue'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'outstanding' => 'getOutstanding',
-        'overdue' => 'getOverdue'
+        'outstanding' => 'getOutstanding''overdue' => 'getOverdue'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setOverdue($overdue)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/AccountsReceivable.php b/lib/Models/Accounting/AccountsReceivable.php
index 94942f90..bbca4859 100644
--- a/lib/Models/Accounting/AccountsReceivable.php
+++ b/lib/Models/Accounting/AccountsReceivable.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * AccountsReceivable Class Doc Comment
  *
@@ -56,8 +58,7 @@ class AccountsReceivable implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'outstanding' => 'double',
-        'overdue' => 'double'
+        'outstanding' => 'double''overdue' => 'double'
     ];
 
     /**
@@ -66,8 +67,7 @@ class AccountsReceivable implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'outstanding' => 'double',
-        'overdue' => 'double'
+        'outstanding' => 'double''overdue' => 'double'
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'outstanding' => 'Outstanding',
-        'overdue' => 'Overdue'
+        'outstanding' => 'Outstanding''overdue' => 'Overdue'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'outstanding' => 'setOutstanding',
-        'overdue' => 'setOverdue'
+        'outstanding' => 'setOutstanding''overdue' => 'setOverdue'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'outstanding' => 'getOutstanding',
-        'overdue' => 'getOverdue'
+        'outstanding' => 'getOutstanding''overdue' => 'getOverdue'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setOverdue($overdue)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Action.php b/lib/Models/Accounting/Action.php
index 1e8f7da9..0f7bc633 100644
--- a/lib/Models/Accounting/Action.php
+++ b/lib/Models/Accounting/Action.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Action Class Doc Comment
  *
@@ -56,8 +58,7 @@ class Action implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string',
-        'status' => 'string'
+        'name' => 'string''status' => 'string'
     ];
 
     /**
@@ -66,8 +67,7 @@ class Action implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null,
-        'status' => null
+        'name' => null'status' => null
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'Name',
-        'status' => 'Status'
+        'name' => 'Name''status' => 'Status'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName',
-        'status' => 'setStatus'
+        'name' => 'setName''status' => 'setStatus'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName',
-        'status' => 'getStatus'
+        'name' => 'getName''status' => 'getStatus'
     ];
 
     /**
@@ -301,6 +298,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -313,6 +311,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -326,6 +325,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -342,6 +342,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Actions.php b/lib/Models/Accounting/Actions.php
index f38bf6c2..4c95dd70 100644
--- a/lib/Models/Accounting/Actions.php
+++ b/lib/Models/Accounting/Actions.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Actions Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setActions($actions)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['actions'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['actions'][$offset]) ? $this->container['actions'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['actions'][$offset]);
diff --git a/lib/Models/Accounting/Address.php b/lib/Models/Accounting/Address.php
index 5cceec78..76ba546c 100644
--- a/lib/Models/Accounting/Address.php
+++ b/lib/Models/Accounting/Address.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Address Class Doc Comment
  *
@@ -56,16 +58,7 @@ class Address implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'address_type' => 'string',
-        'address_line1' => 'string',
-        'address_line2' => 'string',
-        'address_line3' => 'string',
-        'address_line4' => 'string',
-        'city' => 'string',
-        'region' => 'string',
-        'postal_code' => 'string',
-        'country' => 'string',
-        'attention_to' => 'string'
+        'address_type' => 'string''address_line1' => 'string''address_line2' => 'string''address_line3' => 'string''address_line4' => 'string''city' => 'string''region' => 'string''postal_code' => 'string''country' => 'string''attention_to' => 'string'
     ];
 
     /**
@@ -74,16 +67,7 @@ class Address implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'address_type' => null,
-        'address_line1' => null,
-        'address_line2' => null,
-        'address_line3' => null,
-        'address_line4' => null,
-        'city' => null,
-        'region' => null,
-        'postal_code' => null,
-        'country' => null,
-        'attention_to' => null
+        'address_type' => null'address_line1' => null'address_line2' => null'address_line3' => null'address_line4' => null'city' => null'region' => null'postal_code' => null'country' => null'attention_to' => null
     ];
 
     /**
@@ -113,16 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'address_type' => 'AddressType',
-        'address_line1' => 'AddressLine1',
-        'address_line2' => 'AddressLine2',
-        'address_line3' => 'AddressLine3',
-        'address_line4' => 'AddressLine4',
-        'city' => 'City',
-        'region' => 'Region',
-        'postal_code' => 'PostalCode',
-        'country' => 'Country',
-        'attention_to' => 'AttentionTo'
+        'address_type' => 'AddressType''address_line1' => 'AddressLine1''address_line2' => 'AddressLine2''address_line3' => 'AddressLine3''address_line4' => 'AddressLine4''city' => 'City''region' => 'Region''postal_code' => 'PostalCode''country' => 'Country''attention_to' => 'AttentionTo'
     ];
 
     /**
@@ -131,16 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'address_type' => 'setAddressType',
-        'address_line1' => 'setAddressLine1',
-        'address_line2' => 'setAddressLine2',
-        'address_line3' => 'setAddressLine3',
-        'address_line4' => 'setAddressLine4',
-        'city' => 'setCity',
-        'region' => 'setRegion',
-        'postal_code' => 'setPostalCode',
-        'country' => 'setCountry',
-        'attention_to' => 'setAttentionTo'
+        'address_type' => 'setAddressType''address_line1' => 'setAddressLine1''address_line2' => 'setAddressLine2''address_line3' => 'setAddressLine3''address_line4' => 'setAddressLine4''city' => 'setCity''region' => 'setRegion''postal_code' => 'setPostalCode''country' => 'setCountry''attention_to' => 'setAttentionTo'
     ];
 
     /**
@@ -149,16 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'address_type' => 'getAddressType',
-        'address_line1' => 'getAddressLine1',
-        'address_line2' => 'getAddressLine2',
-        'address_line3' => 'getAddressLine3',
-        'address_line4' => 'getAddressLine4',
-        'city' => 'getCity',
-        'region' => 'getRegion',
-        'postal_code' => 'getPostalCode',
-        'country' => 'getCountry',
-        'attention_to' => 'getAttentionTo'
+        'address_type' => 'getAddressType''address_line1' => 'getAddressLine1''address_line2' => 'getAddressLine2''address_line3' => 'getAddressLine3''address_line4' => 'getAddressLine4''city' => 'getCity''region' => 'getRegion''postal_code' => 'getPostalCode''country' => 'getCountry''attention_to' => 'getAttentionTo'
     ];
 
     /**
@@ -637,6 +594,7 @@ public function setAttentionTo($attention_to)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -649,6 +607,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -662,6 +621,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -678,6 +638,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/AddressForOrganisation.php b/lib/Models/Accounting/AddressForOrganisation.php
index 61411ccd..f8d0a9ee 100644
--- a/lib/Models/Accounting/AddressForOrganisation.php
+++ b/lib/Models/Accounting/AddressForOrganisation.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * AddressForOrganisation Class Doc Comment
  *
@@ -56,16 +58,7 @@ class AddressForOrganisation implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'address_type' => 'string',
-        'address_line1' => 'string',
-        'address_line2' => 'string',
-        'address_line3' => 'string',
-        'address_line4' => 'string',
-        'city' => 'string',
-        'region' => 'string',
-        'postal_code' => 'string',
-        'country' => 'string',
-        'attention_to' => 'string'
+        'address_type' => 'string''address_line1' => 'string''address_line2' => 'string''address_line3' => 'string''address_line4' => 'string''city' => 'string''region' => 'string''postal_code' => 'string''country' => 'string''attention_to' => 'string'
     ];
 
     /**
@@ -74,16 +67,7 @@ class AddressForOrganisation implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'address_type' => null,
-        'address_line1' => null,
-        'address_line2' => null,
-        'address_line3' => null,
-        'address_line4' => null,
-        'city' => null,
-        'region' => null,
-        'postal_code' => null,
-        'country' => null,
-        'attention_to' => null
+        'address_type' => null'address_line1' => null'address_line2' => null'address_line3' => null'address_line4' => null'city' => null'region' => null'postal_code' => null'country' => null'attention_to' => null
     ];
 
     /**
@@ -113,16 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'address_type' => 'AddressType',
-        'address_line1' => 'AddressLine1',
-        'address_line2' => 'AddressLine2',
-        'address_line3' => 'AddressLine3',
-        'address_line4' => 'AddressLine4',
-        'city' => 'City',
-        'region' => 'Region',
-        'postal_code' => 'PostalCode',
-        'country' => 'Country',
-        'attention_to' => 'AttentionTo'
+        'address_type' => 'AddressType''address_line1' => 'AddressLine1''address_line2' => 'AddressLine2''address_line3' => 'AddressLine3''address_line4' => 'AddressLine4''city' => 'City''region' => 'Region''postal_code' => 'PostalCode''country' => 'Country''attention_to' => 'AttentionTo'
     ];
 
     /**
@@ -131,16 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'address_type' => 'setAddressType',
-        'address_line1' => 'setAddressLine1',
-        'address_line2' => 'setAddressLine2',
-        'address_line3' => 'setAddressLine3',
-        'address_line4' => 'setAddressLine4',
-        'city' => 'setCity',
-        'region' => 'setRegion',
-        'postal_code' => 'setPostalCode',
-        'country' => 'setCountry',
-        'attention_to' => 'setAttentionTo'
+        'address_type' => 'setAddressType''address_line1' => 'setAddressLine1''address_line2' => 'setAddressLine2''address_line3' => 'setAddressLine3''address_line4' => 'setAddressLine4''city' => 'setCity''region' => 'setRegion''postal_code' => 'setPostalCode''country' => 'setCountry''attention_to' => 'setAttentionTo'
     ];
 
     /**
@@ -149,16 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'address_type' => 'getAddressType',
-        'address_line1' => 'getAddressLine1',
-        'address_line2' => 'getAddressLine2',
-        'address_line3' => 'getAddressLine3',
-        'address_line4' => 'getAddressLine4',
-        'city' => 'getCity',
-        'region' => 'getRegion',
-        'postal_code' => 'getPostalCode',
-        'country' => 'getCountry',
-        'attention_to' => 'getAttentionTo'
+        'address_type' => 'getAddressType''address_line1' => 'getAddressLine1''address_line2' => 'getAddressLine2''address_line3' => 'getAddressLine3''address_line4' => 'getAddressLine4''city' => 'getCity''region' => 'getRegion''postal_code' => 'getPostalCode''country' => 'getCountry''attention_to' => 'getAttentionTo'
     ];
 
     /**
@@ -639,6 +596,7 @@ public function setAttentionTo($attention_to)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -651,6 +609,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -664,6 +623,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -680,6 +640,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Allocation.php b/lib/Models/Accounting/Allocation.php
index 8aaf7931..055bc922 100644
--- a/lib/Models/Accounting/Allocation.php
+++ b/lib/Models/Accounting/Allocation.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Allocation Class Doc Comment
  *
@@ -56,14 +58,7 @@ class Allocation implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'invoice' => '\XeroAPI\XeroPHP\Models\Accounting\Invoice',
-        'overpayment' => '\XeroAPI\XeroPHP\Models\Accounting\Overpayment',
-        'prepayment' => '\XeroAPI\XeroPHP\Models\Accounting\Prepayment',
-        'credit_note' => '\XeroAPI\XeroPHP\Models\Accounting\CreditNote',
-        'amount' => 'double',
-        'date' => 'string',
-        'status_attribute_string' => 'string',
-        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
+        'invoice' => '\XeroAPI\XeroPHP\Models\Accounting\Invoice''overpayment' => '\XeroAPI\XeroPHP\Models\Accounting\Overpayment''prepayment' => '\XeroAPI\XeroPHP\Models\Accounting\Prepayment''credit_note' => '\XeroAPI\XeroPHP\Models\Accounting\CreditNote''amount' => 'double''date' => 'string''status_attribute_string' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
     ];
 
     /**
@@ -72,14 +67,7 @@ class Allocation implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'invoice' => null,
-        'overpayment' => null,
-        'prepayment' => null,
-        'credit_note' => null,
-        'amount' => 'double',
-        'date' => null,
-        'status_attribute_string' => null,
-        'validation_errors' => null
+        'invoice' => null'overpayment' => null'prepayment' => null'credit_note' => null'amount' => 'double''date' => null'status_attribute_string' => null'validation_errors' => null
     ];
 
     /**
@@ -109,14 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'invoice' => 'Invoice',
-        'overpayment' => 'Overpayment',
-        'prepayment' => 'Prepayment',
-        'credit_note' => 'CreditNote',
-        'amount' => 'Amount',
-        'date' => 'Date',
-        'status_attribute_string' => 'StatusAttributeString',
-        'validation_errors' => 'ValidationErrors'
+        'invoice' => 'Invoice''overpayment' => 'Overpayment''prepayment' => 'Prepayment''credit_note' => 'CreditNote''amount' => 'Amount''date' => 'Date''status_attribute_string' => 'StatusAttributeString''validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -125,14 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'invoice' => 'setInvoice',
-        'overpayment' => 'setOverpayment',
-        'prepayment' => 'setPrepayment',
-        'credit_note' => 'setCreditNote',
-        'amount' => 'setAmount',
-        'date' => 'setDate',
-        'status_attribute_string' => 'setStatusAttributeString',
-        'validation_errors' => 'setValidationErrors'
+        'invoice' => 'setInvoice''overpayment' => 'setOverpayment''prepayment' => 'setPrepayment''credit_note' => 'setCreditNote''amount' => 'setAmount''date' => 'setDate''status_attribute_string' => 'setStatusAttributeString''validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -141,14 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'invoice' => 'getInvoice',
-        'overpayment' => 'getOverpayment',
-        'prepayment' => 'getPrepayment',
-        'credit_note' => 'getCreditNote',
-        'amount' => 'getAmount',
-        'date' => 'getDate',
-        'status_attribute_string' => 'getStatusAttributeString',
-        'validation_errors' => 'getValidationErrors'
+        'invoice' => 'getInvoice''overpayment' => 'getOverpayment''prepayment' => 'getPrepayment''credit_note' => 'getCreditNote''amount' => 'getAmount''date' => 'getDate''status_attribute_string' => 'getStatusAttributeString''validation_errors' => 'getValidationErrors'
     ];
 
     /**
@@ -502,6 +469,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -514,6 +482,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -527,6 +496,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -543,6 +513,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Allocations.php b/lib/Models/Accounting/Allocations.php
index 22c012b6..75c4623c 100644
--- a/lib/Models/Accounting/Allocations.php
+++ b/lib/Models/Accounting/Allocations.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Allocations Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setAllocations($allocations)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['allocations'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['allocations'][$offset]) ? $this->container['allocations'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['allocations'][$offset]);
diff --git a/lib/Models/Accounting/Attachment.php b/lib/Models/Accounting/Attachment.php
index cdb3192c..da3e2a16 100644
--- a/lib/Models/Accounting/Attachment.php
+++ b/lib/Models/Accounting/Attachment.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Attachment Class Doc Comment
  *
@@ -56,12 +58,7 @@ class Attachment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'attachment_id' => 'string',
-        'file_name' => 'string',
-        'url' => 'string',
-        'mime_type' => 'string',
-        'content_length' => 'int',
-        'include_online' => 'bool'
+        'attachment_id' => 'string''file_name' => 'string''url' => 'string''mime_type' => 'string''content_length' => 'int''include_online' => 'bool'
     ];
 
     /**
@@ -70,12 +67,7 @@ class Attachment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'attachment_id' => 'uuid',
-        'file_name' => null,
-        'url' => null,
-        'mime_type' => null,
-        'content_length' => null,
-        'include_online' => null
+        'attachment_id' => 'uuid''file_name' => null'url' => null'mime_type' => null'content_length' => null'include_online' => null
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'attachment_id' => 'AttachmentID',
-        'file_name' => 'FileName',
-        'url' => 'Url',
-        'mime_type' => 'MimeType',
-        'content_length' => 'ContentLength',
-        'include_online' => 'IncludeOnline'
+        'attachment_id' => 'AttachmentID''file_name' => 'FileName''url' => 'Url''mime_type' => 'MimeType''content_length' => 'ContentLength''include_online' => 'IncludeOnline'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'attachment_id' => 'setAttachmentId',
-        'file_name' => 'setFileName',
-        'url' => 'setUrl',
-        'mime_type' => 'setMimeType',
-        'content_length' => 'setContentLength',
-        'include_online' => 'setIncludeOnline'
+        'attachment_id' => 'setAttachmentId''file_name' => 'setFileName''url' => 'setUrl''mime_type' => 'setMimeType''content_length' => 'setContentLength''include_online' => 'setIncludeOnline'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'attachment_id' => 'getAttachmentId',
-        'file_name' => 'getFileName',
-        'url' => 'getUrl',
-        'mime_type' => 'getMimeType',
-        'content_length' => 'getContentLength',
-        'include_online' => 'getIncludeOnline'
+        'attachment_id' => 'getAttachmentId''file_name' => 'getFileName''url' => 'getUrl''mime_type' => 'getMimeType''content_length' => 'getContentLength''include_online' => 'getIncludeOnline'
     ];
 
     /**
@@ -401,6 +378,7 @@ public function setIncludeOnline($include_online)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -413,6 +391,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -426,6 +405,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -442,6 +422,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Attachments.php b/lib/Models/Accounting/Attachments.php
index 8716f0d6..6923fa4d 100644
--- a/lib/Models/Accounting/Attachments.php
+++ b/lib/Models/Accounting/Attachments.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Attachments Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setAttachments($attachments)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['attachments'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['attachments'][$offset]) ? $this->container['attachments'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['attachments'][$offset]);
diff --git a/lib/Models/Accounting/BalanceDetails.php b/lib/Models/Accounting/BalanceDetails.php
index 9d2adc18..6ed15cbf 100644
--- a/lib/Models/Accounting/BalanceDetails.php
+++ b/lib/Models/Accounting/BalanceDetails.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * BalanceDetails Class Doc Comment
  *
@@ -57,9 +59,7 @@ class BalanceDetails implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'balance' => 'double',
-        'currency_code' => 'string',
-        'currency_rate' => 'double'
+        'balance' => 'double''currency_code' => 'string''currency_rate' => 'double'
     ];
 
     /**
@@ -68,9 +68,7 @@ class BalanceDetails implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'balance' => 'double',
-        'currency_code' => null,
-        'currency_rate' => 'double'
+        'balance' => 'double''currency_code' => null'currency_rate' => 'double'
     ];
 
     /**
@@ -100,9 +98,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'balance' => 'Balance',
-        'currency_code' => 'CurrencyCode',
-        'currency_rate' => 'CurrencyRate'
+        'balance' => 'Balance''currency_code' => 'CurrencyCode''currency_rate' => 'CurrencyRate'
     ];
 
     /**
@@ -111,9 +107,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'balance' => 'setBalance',
-        'currency_code' => 'setCurrencyCode',
-        'currency_rate' => 'setCurrencyRate'
+        'balance' => 'setBalance''currency_code' => 'setCurrencyCode''currency_rate' => 'setCurrencyRate'
     ];
 
     /**
@@ -122,9 +116,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'balance' => 'getBalance',
-        'currency_code' => 'getCurrencyCode',
-        'currency_rate' => 'getCurrencyRate'
+        'balance' => 'getBalance''currency_code' => 'getCurrencyCode''currency_rate' => 'getCurrencyRate'
     ];
 
     /**
@@ -303,6 +295,7 @@ public function setCurrencyRate($currency_rate)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -315,6 +308,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -328,6 +322,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -344,6 +339,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Balances.php b/lib/Models/Accounting/Balances.php
index c93bc410..70e9daaf 100644
--- a/lib/Models/Accounting/Balances.php
+++ b/lib/Models/Accounting/Balances.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Balances Class Doc Comment
  *
@@ -57,8 +59,7 @@ class Balances implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'accounts_receivable' => '\XeroAPI\XeroPHP\Models\Accounting\AccountsReceivable',
-        'accounts_payable' => '\XeroAPI\XeroPHP\Models\Accounting\AccountsPayable'
+        'accounts_receivable' => '\XeroAPI\XeroPHP\Models\Accounting\AccountsReceivable''accounts_payable' => '\XeroAPI\XeroPHP\Models\Accounting\AccountsPayable'
     ];
 
     /**
@@ -67,8 +68,7 @@ class Balances implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'accounts_receivable' => null,
-        'accounts_payable' => null
+        'accounts_receivable' => null'accounts_payable' => null
     ];
 
     /**
@@ -98,8 +98,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'accounts_receivable' => 'AccountsReceivable',
-        'accounts_payable' => 'AccountsPayable'
+        'accounts_receivable' => 'AccountsReceivable''accounts_payable' => 'AccountsPayable'
     ];
 
     /**
@@ -108,8 +107,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'accounts_receivable' => 'setAccountsReceivable',
-        'accounts_payable' => 'setAccountsPayable'
+        'accounts_receivable' => 'setAccountsReceivable''accounts_payable' => 'setAccountsPayable'
     ];
 
     /**
@@ -118,8 +116,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'accounts_receivable' => 'getAccountsReceivable',
-        'accounts_payable' => 'getAccountsPayable'
+        'accounts_receivable' => 'getAccountsReceivable''accounts_payable' => 'getAccountsPayable'
     ];
 
     /**
@@ -270,6 +267,7 @@ public function setAccountsPayable($accounts_payable)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -282,6 +280,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -295,6 +294,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -311,6 +311,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/BankTransaction.php b/lib/Models/Accounting/BankTransaction.php
index 57304463..909f7234 100644
--- a/lib/Models/Accounting/BankTransaction.php
+++ b/lib/Models/Accounting/BankTransaction.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * BankTransaction Class Doc Comment
  *
@@ -56,28 +58,7 @@ class BankTransaction implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'type' => 'string',
-        'contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact',
-        'line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]',
-        'bank_account' => '\XeroAPI\XeroPHP\Models\Accounting\Account',
-        'is_reconciled' => 'bool',
-        'date' => 'string',
-        'reference' => 'string',
-        'currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode',
-        'currency_rate' => 'double',
-        'url' => 'string',
-        'status' => 'string',
-        'line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes',
-        'sub_total' => 'double',
-        'total_tax' => 'double',
-        'total' => 'double',
-        'bank_transaction_id' => 'string',
-        'prepayment_id' => 'string',
-        'overpayment_id' => 'string',
-        'updated_date_utc' => 'string',
-        'has_attachments' => 'bool',
-        'status_attribute_string' => 'string',
-        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
+        'type' => 'string''contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact''line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]''bank_account' => '\XeroAPI\XeroPHP\Models\Accounting\Account''is_reconciled' => 'bool''date' => 'string''reference' => 'string''currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode''currency_rate' => 'double''url' => 'string''status' => 'string''line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes''sub_total' => 'double''total_tax' => 'double''total' => 'double''bank_transaction_id' => 'string''prepayment_id' => 'string''overpayment_id' => 'string''updated_date_utc' => 'string''has_attachments' => 'bool''status_attribute_string' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
     ];
 
     /**
@@ -86,28 +67,7 @@ class BankTransaction implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'type' => null,
-        'contact' => null,
-        'line_items' => null,
-        'bank_account' => null,
-        'is_reconciled' => null,
-        'date' => null,
-        'reference' => null,
-        'currency_code' => null,
-        'currency_rate' => 'double',
-        'url' => null,
-        'status' => null,
-        'line_amount_types' => null,
-        'sub_total' => 'double',
-        'total_tax' => 'double',
-        'total' => 'double',
-        'bank_transaction_id' => 'uuid',
-        'prepayment_id' => 'uuid',
-        'overpayment_id' => 'uuid',
-        'updated_date_utc' => null,
-        'has_attachments' => null,
-        'status_attribute_string' => null,
-        'validation_errors' => null
+        'type' => null'contact' => null'line_items' => null'bank_account' => null'is_reconciled' => null'date' => null'reference' => null'currency_code' => null'currency_rate' => 'double''url' => null'status' => null'line_amount_types' => null'sub_total' => 'double''total_tax' => 'double''total' => 'double''bank_transaction_id' => 'uuid''prepayment_id' => 'uuid''overpayment_id' => 'uuid''updated_date_utc' => null'has_attachments' => null'status_attribute_string' => null'validation_errors' => null
     ];
 
     /**
@@ -137,28 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'type' => 'Type',
-        'contact' => 'Contact',
-        'line_items' => 'LineItems',
-        'bank_account' => 'BankAccount',
-        'is_reconciled' => 'IsReconciled',
-        'date' => 'Date',
-        'reference' => 'Reference',
-        'currency_code' => 'CurrencyCode',
-        'currency_rate' => 'CurrencyRate',
-        'url' => 'Url',
-        'status' => 'Status',
-        'line_amount_types' => 'LineAmountTypes',
-        'sub_total' => 'SubTotal',
-        'total_tax' => 'TotalTax',
-        'total' => 'Total',
-        'bank_transaction_id' => 'BankTransactionID',
-        'prepayment_id' => 'PrepaymentID',
-        'overpayment_id' => 'OverpaymentID',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'has_attachments' => 'HasAttachments',
-        'status_attribute_string' => 'StatusAttributeString',
-        'validation_errors' => 'ValidationErrors'
+        'type' => 'Type''contact' => 'Contact''line_items' => 'LineItems''bank_account' => 'BankAccount''is_reconciled' => 'IsReconciled''date' => 'Date''reference' => 'Reference''currency_code' => 'CurrencyCode''currency_rate' => 'CurrencyRate''url' => 'Url''status' => 'Status''line_amount_types' => 'LineAmountTypes''sub_total' => 'SubTotal''total_tax' => 'TotalTax''total' => 'Total''bank_transaction_id' => 'BankTransactionID''prepayment_id' => 'PrepaymentID''overpayment_id' => 'OverpaymentID''updated_date_utc' => 'UpdatedDateUTC''has_attachments' => 'HasAttachments''status_attribute_string' => 'StatusAttributeString''validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -167,28 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'type' => 'setType',
-        'contact' => 'setContact',
-        'line_items' => 'setLineItems',
-        'bank_account' => 'setBankAccount',
-        'is_reconciled' => 'setIsReconciled',
-        'date' => 'setDate',
-        'reference' => 'setReference',
-        'currency_code' => 'setCurrencyCode',
-        'currency_rate' => 'setCurrencyRate',
-        'url' => 'setUrl',
-        'status' => 'setStatus',
-        'line_amount_types' => 'setLineAmountTypes',
-        'sub_total' => 'setSubTotal',
-        'total_tax' => 'setTotalTax',
-        'total' => 'setTotal',
-        'bank_transaction_id' => 'setBankTransactionId',
-        'prepayment_id' => 'setPrepaymentId',
-        'overpayment_id' => 'setOverpaymentId',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'has_attachments' => 'setHasAttachments',
-        'status_attribute_string' => 'setStatusAttributeString',
-        'validation_errors' => 'setValidationErrors'
+        'type' => 'setType''contact' => 'setContact''line_items' => 'setLineItems''bank_account' => 'setBankAccount''is_reconciled' => 'setIsReconciled''date' => 'setDate''reference' => 'setReference''currency_code' => 'setCurrencyCode''currency_rate' => 'setCurrencyRate''url' => 'setUrl''status' => 'setStatus''line_amount_types' => 'setLineAmountTypes''sub_total' => 'setSubTotal''total_tax' => 'setTotalTax''total' => 'setTotal''bank_transaction_id' => 'setBankTransactionId''prepayment_id' => 'setPrepaymentId''overpayment_id' => 'setOverpaymentId''updated_date_utc' => 'setUpdatedDateUtc''has_attachments' => 'setHasAttachments''status_attribute_string' => 'setStatusAttributeString''validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -197,28 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'type' => 'getType',
-        'contact' => 'getContact',
-        'line_items' => 'getLineItems',
-        'bank_account' => 'getBankAccount',
-        'is_reconciled' => 'getIsReconciled',
-        'date' => 'getDate',
-        'reference' => 'getReference',
-        'currency_code' => 'getCurrencyCode',
-        'currency_rate' => 'getCurrencyRate',
-        'url' => 'getUrl',
-        'status' => 'getStatus',
-        'line_amount_types' => 'getLineAmountTypes',
-        'sub_total' => 'getSubTotal',
-        'total_tax' => 'getTotalTax',
-        'total' => 'getTotal',
-        'bank_transaction_id' => 'getBankTransactionId',
-        'prepayment_id' => 'getPrepaymentId',
-        'overpayment_id' => 'getOverpaymentId',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'has_attachments' => 'getHasAttachments',
-        'status_attribute_string' => 'getStatusAttributeString',
-        'validation_errors' => 'getValidationErrors'
+        'type' => 'getType''contact' => 'getContact''line_items' => 'getLineItems''bank_account' => 'getBankAccount''is_reconciled' => 'getIsReconciled''date' => 'getDate''reference' => 'getReference''currency_code' => 'getCurrencyCode''currency_rate' => 'getCurrencyRate''url' => 'getUrl''status' => 'getStatus''line_amount_types' => 'getLineAmountTypes''sub_total' => 'getSubTotal''total_tax' => 'getTotalTax''total' => 'getTotal''bank_transaction_id' => 'getBankTransactionId''prepayment_id' => 'getPrepaymentId''overpayment_id' => 'getOverpaymentId''updated_date_utc' => 'getUpdatedDateUtc''has_attachments' => 'getHasAttachments''status_attribute_string' => 'getStatusAttributeString''validation_errors' => 'getValidationErrors'
     ];
 
     /**
@@ -1046,6 +943,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1058,6 +956,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1071,6 +970,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1087,6 +987,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/BankTransactions.php b/lib/Models/Accounting/BankTransactions.php
index 5e419884..a2eeae16 100644
--- a/lib/Models/Accounting/BankTransactions.php
+++ b/lib/Models/Accounting/BankTransactions.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * BankTransactions Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setBankTransactions($bank_transactions)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['bank_transactions'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['bank_transactions'][$offset]) ? $this->container['bank_transactions'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['bank_transactions'][$offset]);
diff --git a/lib/Models/Accounting/BankTransfer.php b/lib/Models/Accounting/BankTransfer.php
index 177b03ff..5187c9c7 100644
--- a/lib/Models/Accounting/BankTransfer.php
+++ b/lib/Models/Accounting/BankTransfer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * BankTransfer Class Doc Comment
  *
@@ -56,20 +58,7 @@ class BankTransfer implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'from_bank_account' => '\XeroAPI\XeroPHP\Models\Accounting\Account',
-        'to_bank_account' => '\XeroAPI\XeroPHP\Models\Accounting\Account',
-        'amount' => 'double',
-        'date' => 'string',
-        'bank_transfer_id' => 'string',
-        'currency_rate' => 'double',
-        'from_bank_transaction_id' => 'string',
-        'to_bank_transaction_id' => 'string',
-        'from_is_reconciled' => 'bool',
-        'to_is_reconciled' => 'bool',
-        'reference' => 'string',
-        'has_attachments' => 'bool',
-        'created_date_utc' => 'string',
-        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
+        'from_bank_account' => '\XeroAPI\XeroPHP\Models\Accounting\Account''to_bank_account' => '\XeroAPI\XeroPHP\Models\Accounting\Account''amount' => 'double''date' => 'string''bank_transfer_id' => 'string''currency_rate' => 'double''from_bank_transaction_id' => 'string''to_bank_transaction_id' => 'string''from_is_reconciled' => 'bool''to_is_reconciled' => 'bool''reference' => 'string''has_attachments' => 'bool''created_date_utc' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
     ];
 
     /**
@@ -78,20 +67,7 @@ class BankTransfer implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'from_bank_account' => null,
-        'to_bank_account' => null,
-        'amount' => 'double',
-        'date' => null,
-        'bank_transfer_id' => 'uuid',
-        'currency_rate' => 'double',
-        'from_bank_transaction_id' => 'uuid',
-        'to_bank_transaction_id' => 'uuid',
-        'from_is_reconciled' => null,
-        'to_is_reconciled' => null,
-        'reference' => null,
-        'has_attachments' => null,
-        'created_date_utc' => null,
-        'validation_errors' => null
+        'from_bank_account' => null'to_bank_account' => null'amount' => 'double''date' => null'bank_transfer_id' => 'uuid''currency_rate' => 'double''from_bank_transaction_id' => 'uuid''to_bank_transaction_id' => 'uuid''from_is_reconciled' => null'to_is_reconciled' => null'reference' => null'has_attachments' => null'created_date_utc' => null'validation_errors' => null
     ];
 
     /**
@@ -121,20 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'from_bank_account' => 'FromBankAccount',
-        'to_bank_account' => 'ToBankAccount',
-        'amount' => 'Amount',
-        'date' => 'Date',
-        'bank_transfer_id' => 'BankTransferID',
-        'currency_rate' => 'CurrencyRate',
-        'from_bank_transaction_id' => 'FromBankTransactionID',
-        'to_bank_transaction_id' => 'ToBankTransactionID',
-        'from_is_reconciled' => 'FromIsReconciled',
-        'to_is_reconciled' => 'ToIsReconciled',
-        'reference' => 'Reference',
-        'has_attachments' => 'HasAttachments',
-        'created_date_utc' => 'CreatedDateUTC',
-        'validation_errors' => 'ValidationErrors'
+        'from_bank_account' => 'FromBankAccount''to_bank_account' => 'ToBankAccount''amount' => 'Amount''date' => 'Date''bank_transfer_id' => 'BankTransferID''currency_rate' => 'CurrencyRate''from_bank_transaction_id' => 'FromBankTransactionID''to_bank_transaction_id' => 'ToBankTransactionID''from_is_reconciled' => 'FromIsReconciled''to_is_reconciled' => 'ToIsReconciled''reference' => 'Reference''has_attachments' => 'HasAttachments''created_date_utc' => 'CreatedDateUTC''validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -143,20 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'from_bank_account' => 'setFromBankAccount',
-        'to_bank_account' => 'setToBankAccount',
-        'amount' => 'setAmount',
-        'date' => 'setDate',
-        'bank_transfer_id' => 'setBankTransferId',
-        'currency_rate' => 'setCurrencyRate',
-        'from_bank_transaction_id' => 'setFromBankTransactionId',
-        'to_bank_transaction_id' => 'setToBankTransactionId',
-        'from_is_reconciled' => 'setFromIsReconciled',
-        'to_is_reconciled' => 'setToIsReconciled',
-        'reference' => 'setReference',
-        'has_attachments' => 'setHasAttachments',
-        'created_date_utc' => 'setCreatedDateUtc',
-        'validation_errors' => 'setValidationErrors'
+        'from_bank_account' => 'setFromBankAccount''to_bank_account' => 'setToBankAccount''amount' => 'setAmount''date' => 'setDate''bank_transfer_id' => 'setBankTransferId''currency_rate' => 'setCurrencyRate''from_bank_transaction_id' => 'setFromBankTransactionId''to_bank_transaction_id' => 'setToBankTransactionId''from_is_reconciled' => 'setFromIsReconciled''to_is_reconciled' => 'setToIsReconciled''reference' => 'setReference''has_attachments' => 'setHasAttachments''created_date_utc' => 'setCreatedDateUtc''validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -165,20 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'from_bank_account' => 'getFromBankAccount',
-        'to_bank_account' => 'getToBankAccount',
-        'amount' => 'getAmount',
-        'date' => 'getDate',
-        'bank_transfer_id' => 'getBankTransferId',
-        'currency_rate' => 'getCurrencyRate',
-        'from_bank_transaction_id' => 'getFromBankTransactionId',
-        'to_bank_transaction_id' => 'getToBankTransactionId',
-        'from_is_reconciled' => 'getFromIsReconciled',
-        'to_is_reconciled' => 'getToIsReconciled',
-        'reference' => 'getReference',
-        'has_attachments' => 'getHasAttachments',
-        'created_date_utc' => 'getCreatedDateUtc',
-        'validation_errors' => 'getValidationErrors'
+        'from_bank_account' => 'getFromBankAccount''to_bank_account' => 'getToBankAccount''amount' => 'getAmount''date' => 'getDate''bank_transfer_id' => 'getBankTransferId''currency_rate' => 'getCurrencyRate''from_bank_transaction_id' => 'getFromBankTransactionId''to_bank_transaction_id' => 'getToBankTransactionId''from_is_reconciled' => 'getFromIsReconciled''to_is_reconciled' => 'getToIsReconciled''reference' => 'getReference''has_attachments' => 'getHasAttachments''created_date_utc' => 'getCreatedDateUtc''validation_errors' => 'getValidationErrors'
     ];
 
     /**
@@ -702,6 +639,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -714,6 +652,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -727,6 +666,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -743,6 +683,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/BankTransfers.php b/lib/Models/Accounting/BankTransfers.php
index ed2dc445..067b818d 100644
--- a/lib/Models/Accounting/BankTransfers.php
+++ b/lib/Models/Accounting/BankTransfers.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * BankTransfers Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setBankTransfers($bank_transfers)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['bank_transfers'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['bank_transfers'][$offset]) ? $this->container['bank_transfers'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['bank_transfers'][$offset]);
diff --git a/lib/Models/Accounting/BatchPayment.php b/lib/Models/Accounting/BatchPayment.php
index e8a457b9..f6d63b4e 100644
--- a/lib/Models/Accounting/BatchPayment.php
+++ b/lib/Models/Accounting/BatchPayment.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * BatchPayment Class Doc Comment
  *
@@ -56,23 +58,7 @@ class BatchPayment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account' => '\XeroAPI\XeroPHP\Models\Accounting\Account',
-        'reference' => 'string',
-        'particulars' => 'string',
-        'code' => 'string',
-        'details' => 'string',
-        'narrative' => 'string',
-        'batch_payment_id' => 'string',
-        'date_string' => 'string',
-        'date' => 'string',
-        'amount' => 'double',
-        'payments' => '\XeroAPI\XeroPHP\Models\Accounting\Payment[]',
-        'type' => 'string',
-        'status' => 'string',
-        'total_amount' => 'string',
-        'updated_date_utc' => 'string',
-        'is_reconciled' => 'string',
-        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
+        'account' => '\XeroAPI\XeroPHP\Models\Accounting\Account''reference' => 'string''particulars' => 'string''code' => 'string''details' => 'string''narrative' => 'string''batch_payment_id' => 'string''date_string' => 'string''date' => 'string''amount' => 'double''payments' => '\XeroAPI\XeroPHP\Models\Accounting\Payment[]''type' => 'string''status' => 'string''total_amount' => 'string''updated_date_utc' => 'string''is_reconciled' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
     ];
 
     /**
@@ -81,23 +67,7 @@ class BatchPayment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account' => null,
-        'reference' => null,
-        'particulars' => null,
-        'code' => null,
-        'details' => null,
-        'narrative' => null,
-        'batch_payment_id' => 'uuid',
-        'date_string' => null,
-        'date' => null,
-        'amount' => 'double',
-        'payments' => null,
-        'type' => null,
-        'status' => null,
-        'total_amount' => null,
-        'updated_date_utc' => null,
-        'is_reconciled' => null,
-        'validation_errors' => null
+        'account' => null'reference' => null'particulars' => null'code' => null'details' => null'narrative' => null'batch_payment_id' => 'uuid''date_string' => null'date' => null'amount' => 'double''payments' => null'type' => null'status' => null'total_amount' => null'updated_date_utc' => null'is_reconciled' => null'validation_errors' => null
     ];
 
     /**
@@ -127,23 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account' => 'Account',
-        'reference' => 'Reference',
-        'particulars' => 'Particulars',
-        'code' => 'Code',
-        'details' => 'Details',
-        'narrative' => 'Narrative',
-        'batch_payment_id' => 'BatchPaymentID',
-        'date_string' => 'DateString',
-        'date' => 'Date',
-        'amount' => 'Amount',
-        'payments' => 'Payments',
-        'type' => 'Type',
-        'status' => 'Status',
-        'total_amount' => 'TotalAmount',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'is_reconciled' => 'IsReconciled',
-        'validation_errors' => 'ValidationErrors'
+        'account' => 'Account''reference' => 'Reference''particulars' => 'Particulars''code' => 'Code''details' => 'Details''narrative' => 'Narrative''batch_payment_id' => 'BatchPaymentID''date_string' => 'DateString''date' => 'Date''amount' => 'Amount''payments' => 'Payments''type' => 'Type''status' => 'Status''total_amount' => 'TotalAmount''updated_date_utc' => 'UpdatedDateUTC''is_reconciled' => 'IsReconciled''validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -152,23 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account' => 'setAccount',
-        'reference' => 'setReference',
-        'particulars' => 'setParticulars',
-        'code' => 'setCode',
-        'details' => 'setDetails',
-        'narrative' => 'setNarrative',
-        'batch_payment_id' => 'setBatchPaymentId',
-        'date_string' => 'setDateString',
-        'date' => 'setDate',
-        'amount' => 'setAmount',
-        'payments' => 'setPayments',
-        'type' => 'setType',
-        'status' => 'setStatus',
-        'total_amount' => 'setTotalAmount',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'is_reconciled' => 'setIsReconciled',
-        'validation_errors' => 'setValidationErrors'
+        'account' => 'setAccount''reference' => 'setReference''particulars' => 'setParticulars''code' => 'setCode''details' => 'setDetails''narrative' => 'setNarrative''batch_payment_id' => 'setBatchPaymentId''date_string' => 'setDateString''date' => 'setDate''amount' => 'setAmount''payments' => 'setPayments''type' => 'setType''status' => 'setStatus''total_amount' => 'setTotalAmount''updated_date_utc' => 'setUpdatedDateUtc''is_reconciled' => 'setIsReconciled''validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -177,23 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account' => 'getAccount',
-        'reference' => 'getReference',
-        'particulars' => 'getParticulars',
-        'code' => 'getCode',
-        'details' => 'getDetails',
-        'narrative' => 'getNarrative',
-        'batch_payment_id' => 'getBatchPaymentId',
-        'date_string' => 'getDateString',
-        'date' => 'getDate',
-        'amount' => 'getAmount',
-        'payments' => 'getPayments',
-        'type' => 'getType',
-        'status' => 'getStatus',
-        'total_amount' => 'getTotalAmount',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'is_reconciled' => 'getIsReconciled',
-        'validation_errors' => 'getValidationErrors'
+        'account' => 'getAccount''reference' => 'getReference''particulars' => 'getParticulars''code' => 'getCode''details' => 'getDetails''narrative' => 'getNarrative''batch_payment_id' => 'getBatchPaymentId''date_string' => 'getDateString''date' => 'getDate''amount' => 'getAmount''payments' => 'getPayments''type' => 'getType''status' => 'getStatus''total_amount' => 'getTotalAmount''updated_date_utc' => 'getUpdatedDateUtc''is_reconciled' => 'getIsReconciled''validation_errors' => 'getValidationErrors'
     ];
 
     /**
@@ -888,6 +810,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -900,6 +823,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -913,6 +837,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -929,6 +854,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/BatchPaymentDetails.php b/lib/Models/Accounting/BatchPaymentDetails.php
index 5e3f7f55..f59adcdd 100644
--- a/lib/Models/Accounting/BatchPaymentDetails.php
+++ b/lib/Models/Accounting/BatchPaymentDetails.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * BatchPaymentDetails Class Doc Comment
  *
@@ -57,11 +59,7 @@ class BatchPaymentDetails implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'bank_account_number' => 'string',
-        'bank_account_name' => 'string',
-        'details' => 'string',
-        'code' => 'string',
-        'reference' => 'string'
+        'bank_account_number' => 'string''bank_account_name' => 'string''details' => 'string''code' => 'string''reference' => 'string'
     ];
 
     /**
@@ -70,11 +68,7 @@ class BatchPaymentDetails implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'bank_account_number' => null,
-        'bank_account_name' => null,
-        'details' => null,
-        'code' => null,
-        'reference' => null
+        'bank_account_number' => null'bank_account_name' => null'details' => null'code' => null'reference' => null
     ];
 
     /**
@@ -104,11 +98,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'bank_account_number' => 'BankAccountNumber',
-        'bank_account_name' => 'BankAccountName',
-        'details' => 'Details',
-        'code' => 'Code',
-        'reference' => 'Reference'
+        'bank_account_number' => 'BankAccountNumber''bank_account_name' => 'BankAccountName''details' => 'Details''code' => 'Code''reference' => 'Reference'
     ];
 
     /**
@@ -117,11 +107,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'bank_account_number' => 'setBankAccountNumber',
-        'bank_account_name' => 'setBankAccountName',
-        'details' => 'setDetails',
-        'code' => 'setCode',
-        'reference' => 'setReference'
+        'bank_account_number' => 'setBankAccountNumber''bank_account_name' => 'setBankAccountName''details' => 'setDetails''code' => 'setCode''reference' => 'setReference'
     ];
 
     /**
@@ -130,11 +116,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'bank_account_number' => 'getBankAccountNumber',
-        'bank_account_name' => 'getBankAccountName',
-        'details' => 'getDetails',
-        'code' => 'getCode',
-        'reference' => 'getReference'
+        'bank_account_number' => 'getBankAccountNumber''bank_account_name' => 'getBankAccountName''details' => 'getDetails''code' => 'getCode''reference' => 'getReference'
     ];
 
     /**
@@ -385,6 +367,7 @@ public function setReference($reference)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -397,6 +380,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -410,6 +394,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -426,6 +411,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/BatchPayments.php b/lib/Models/Accounting/BatchPayments.php
index d451e9f0..330057e5 100644
--- a/lib/Models/Accounting/BatchPayments.php
+++ b/lib/Models/Accounting/BatchPayments.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * BatchPayments Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setBatchPayments($batch_payments)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['batch_payments'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['batch_payments'][$offset]) ? $this->container['batch_payments'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['batch_payments'][$offset]);
diff --git a/lib/Models/Accounting/Bill.php b/lib/Models/Accounting/Bill.php
index 3668316d..4dcad471 100644
--- a/lib/Models/Accounting/Bill.php
+++ b/lib/Models/Accounting/Bill.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Bill Class Doc Comment
  *
@@ -56,8 +58,7 @@ class Bill implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'day' => 'int',
-        'type' => '\XeroAPI\XeroPHP\Models\Accounting\PaymentTermType'
+        'day' => 'int''type' => '\XeroAPI\XeroPHP\Models\Accounting\PaymentTermType'
     ];
 
     /**
@@ -66,8 +67,7 @@ class Bill implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'day' => null,
-        'type' => null
+        'day' => null'type' => null
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'day' => 'Day',
-        'type' => 'Type'
+        'day' => 'Day''type' => 'Type'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'day' => 'setDay',
-        'type' => 'setType'
+        'day' => 'setDay''type' => 'setType'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'day' => 'getDay',
-        'type' => 'getType'
+        'day' => 'getDay''type' => 'getType'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setType($type)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/BrandingTheme.php b/lib/Models/Accounting/BrandingTheme.php
index 9b85d23c..95cea2c8 100644
--- a/lib/Models/Accounting/BrandingTheme.php
+++ b/lib/Models/Accounting/BrandingTheme.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * BrandingTheme Class Doc Comment
  *
@@ -56,12 +58,7 @@ class BrandingTheme implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'branding_theme_id' => 'string',
-        'name' => 'string',
-        'logo_url' => 'string',
-        'type' => 'string',
-        'sort_order' => 'int',
-        'created_date_utc' => 'string'
+        'branding_theme_id' => 'string''name' => 'string''logo_url' => 'string''type' => 'string''sort_order' => 'int''created_date_utc' => 'string'
     ];
 
     /**
@@ -70,12 +67,7 @@ class BrandingTheme implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'branding_theme_id' => 'uuid',
-        'name' => null,
-        'logo_url' => null,
-        'type' => null,
-        'sort_order' => null,
-        'created_date_utc' => null
+        'branding_theme_id' => 'uuid''name' => null'logo_url' => null'type' => null'sort_order' => null'created_date_utc' => null
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'branding_theme_id' => 'BrandingThemeID',
-        'name' => 'Name',
-        'logo_url' => 'LogoUrl',
-        'type' => 'Type',
-        'sort_order' => 'SortOrder',
-        'created_date_utc' => 'CreatedDateUTC'
+        'branding_theme_id' => 'BrandingThemeID''name' => 'Name''logo_url' => 'LogoUrl''type' => 'Type''sort_order' => 'SortOrder''created_date_utc' => 'CreatedDateUTC'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'branding_theme_id' => 'setBrandingThemeId',
-        'name' => 'setName',
-        'logo_url' => 'setLogoUrl',
-        'type' => 'setType',
-        'sort_order' => 'setSortOrder',
-        'created_date_utc' => 'setCreatedDateUtc'
+        'branding_theme_id' => 'setBrandingThemeId''name' => 'setName''logo_url' => 'setLogoUrl''type' => 'setType''sort_order' => 'setSortOrder''created_date_utc' => 'setCreatedDateUtc'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'branding_theme_id' => 'getBrandingThemeId',
-        'name' => 'getName',
-        'logo_url' => 'getLogoUrl',
-        'type' => 'getType',
-        'sort_order' => 'getSortOrder',
-        'created_date_utc' => 'getCreatedDateUtc'
+        'branding_theme_id' => 'getBrandingThemeId''name' => 'getName''logo_url' => 'getLogoUrl''type' => 'getType''sort_order' => 'getSortOrder''created_date_utc' => 'getCreatedDateUtc'
     ];
 
     /**
@@ -438,6 +415,7 @@ public function setCreatedDateUtc($created_date_utc)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -450,6 +428,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -463,6 +442,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -479,6 +459,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/BrandingThemes.php b/lib/Models/Accounting/BrandingThemes.php
index 7c55df40..44a1ae84 100644
--- a/lib/Models/Accounting/BrandingThemes.php
+++ b/lib/Models/Accounting/BrandingThemes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * BrandingThemes Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setBrandingThemes($branding_themes)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['branding_themes'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['branding_themes'][$offset]) ? $this->container['branding_themes'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['branding_themes'][$offset]);
diff --git a/lib/Models/Accounting/Budget.php b/lib/Models/Accounting/Budget.php
index 2f9d6a57..32338d02 100644
--- a/lib/Models/Accounting/Budget.php
+++ b/lib/Models/Accounting/Budget.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Budget Class Doc Comment
  *
@@ -56,12 +58,7 @@ class Budget implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'budget_id' => 'string',
-        'type' => 'string',
-        'description' => 'string',
-        'updated_date_utc' => 'string',
-        'budget_lines' => '\XeroAPI\XeroPHP\Models\Accounting\BudgetLine[]',
-        'tracking' => '\XeroAPI\XeroPHP\Models\Accounting\TrackingCategory[]'
+        'budget_id' => 'string''type' => 'string''description' => 'string''updated_date_utc' => 'string''budget_lines' => '\XeroAPI\XeroPHP\Models\Accounting\BudgetLine[]''tracking' => '\XeroAPI\XeroPHP\Models\Accounting\TrackingCategory[]'
     ];
 
     /**
@@ -70,12 +67,7 @@ class Budget implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'budget_id' => 'uuid',
-        'type' => null,
-        'description' => null,
-        'updated_date_utc' => null,
-        'budget_lines' => null,
-        'tracking' => null
+        'budget_id' => 'uuid''type' => null'description' => null'updated_date_utc' => null'budget_lines' => null'tracking' => null
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'budget_id' => 'BudgetID',
-        'type' => 'Type',
-        'description' => 'Description',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'budget_lines' => 'BudgetLines',
-        'tracking' => 'Tracking'
+        'budget_id' => 'BudgetID''type' => 'Type''description' => 'Description''updated_date_utc' => 'UpdatedDateUTC''budget_lines' => 'BudgetLines''tracking' => 'Tracking'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'budget_id' => 'setBudgetId',
-        'type' => 'setType',
-        'description' => 'setDescription',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'budget_lines' => 'setBudgetLines',
-        'tracking' => 'setTracking'
+        'budget_id' => 'setBudgetId''type' => 'setType''description' => 'setDescription''updated_date_utc' => 'setUpdatedDateUtc''budget_lines' => 'setBudgetLines''tracking' => 'setTracking'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'budget_id' => 'getBudgetId',
-        'type' => 'getType',
-        'description' => 'getDescription',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'budget_lines' => 'getBudgetLines',
-        'tracking' => 'getTracking'
+        'budget_id' => 'getBudgetId''type' => 'getType''description' => 'getDescription''updated_date_utc' => 'getUpdatedDateUtc''budget_lines' => 'getBudgetLines''tracking' => 'getTracking'
     ];
 
     /**
@@ -448,6 +425,7 @@ public function setTracking($tracking)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -460,6 +438,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -473,6 +452,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -489,6 +469,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/BudgetBalance.php b/lib/Models/Accounting/BudgetBalance.php
index 654b5b2f..3dd70e59 100644
--- a/lib/Models/Accounting/BudgetBalance.php
+++ b/lib/Models/Accounting/BudgetBalance.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * BudgetBalance Class Doc Comment
  *
@@ -56,10 +58,7 @@ class BudgetBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'period' => 'string',
-        'amount' => 'double',
-        'unit_amount' => 'double',
-        'notes' => 'string'
+        'period' => 'string''amount' => 'double''unit_amount' => 'double''notes' => 'string'
     ];
 
     /**
@@ -68,10 +67,7 @@ class BudgetBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'period' => null,
-        'amount' => 'double',
-        'unit_amount' => 'double',
-        'notes' => null
+        'period' => null'amount' => 'double''unit_amount' => 'double''notes' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'period' => 'Period',
-        'amount' => 'Amount',
-        'unit_amount' => 'UnitAmount',
-        'notes' => 'Notes'
+        'period' => 'Period''amount' => 'Amount''unit_amount' => 'UnitAmount''notes' => 'Notes'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'period' => 'setPeriod',
-        'amount' => 'setAmount',
-        'unit_amount' => 'setUnitAmount',
-        'notes' => 'setNotes'
+        'period' => 'setPeriod''amount' => 'setAmount''unit_amount' => 'setUnitAmount''notes' => 'setNotes'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'period' => 'getPeriod',
-        'amount' => 'getAmount',
-        'unit_amount' => 'getUnitAmount',
-        'notes' => 'getNotes'
+        'period' => 'getPeriod''amount' => 'getAmount''unit_amount' => 'getUnitAmount''notes' => 'getNotes'
     ];
 
     /**
@@ -369,6 +356,7 @@ public function setNotes($notes)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -381,6 +369,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -394,6 +383,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -410,6 +400,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/BudgetLine.php b/lib/Models/Accounting/BudgetLine.php
index f3711e58..e5b0a067 100644
--- a/lib/Models/Accounting/BudgetLine.php
+++ b/lib/Models/Accounting/BudgetLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * BudgetLine Class Doc Comment
  *
@@ -56,9 +58,7 @@ class BudgetLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_id' => 'string',
-        'account_code' => 'string',
-        'budget_balances' => '\XeroAPI\XeroPHP\Models\Accounting\BudgetBalance[]'
+        'account_id' => 'string''account_code' => 'string''budget_balances' => '\XeroAPI\XeroPHP\Models\Accounting\BudgetBalance[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class BudgetLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_id' => 'uuid',
-        'account_code' => null,
-        'budget_balances' => null
+        'account_id' => 'uuid''account_code' => null'budget_balances' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_id' => 'AccountID',
-        'account_code' => 'AccountCode',
-        'budget_balances' => 'BudgetBalances'
+        'account_id' => 'AccountID''account_code' => 'AccountCode''budget_balances' => 'BudgetBalances'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_id' => 'setAccountId',
-        'account_code' => 'setAccountCode',
-        'budget_balances' => 'setBudgetBalances'
+        'account_id' => 'setAccountId''account_code' => 'setAccountCode''budget_balances' => 'setBudgetBalances'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_id' => 'getAccountId',
-        'account_code' => 'getAccountCode',
-        'budget_balances' => 'getBudgetBalances'
+        'account_id' => 'getAccountId''account_code' => 'getAccountCode''budget_balances' => 'getBudgetBalances'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setBudgetBalances($budget_balances)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Budgets.php b/lib/Models/Accounting/Budgets.php
index 2d45204a..16e27bef 100644
--- a/lib/Models/Accounting/Budgets.php
+++ b/lib/Models/Accounting/Budgets.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Budgets Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setBudgets($budgets)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['budgets'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['budgets'][$offset]) ? $this->container['budgets'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['budgets'][$offset]);
diff --git a/lib/Models/Accounting/CISOrgSetting.php b/lib/Models/Accounting/CISOrgSetting.php
index 0762f243..13256f5a 100644
--- a/lib/Models/Accounting/CISOrgSetting.php
+++ b/lib/Models/Accounting/CISOrgSetting.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * CISOrgSetting Class Doc Comment
  *
@@ -56,9 +58,7 @@ class CISOrgSetting implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'cis_contractor_enabled' => 'bool',
-        'cis_sub_contractor_enabled' => 'bool',
-        'rate' => 'double'
+        'cis_contractor_enabled' => 'bool''cis_sub_contractor_enabled' => 'bool''rate' => 'double'
     ];
 
     /**
@@ -67,9 +67,7 @@ class CISOrgSetting implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'cis_contractor_enabled' => null,
-        'cis_sub_contractor_enabled' => null,
-        'rate' => 'double'
+        'cis_contractor_enabled' => null'cis_sub_contractor_enabled' => null'rate' => 'double'
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'cis_contractor_enabled' => 'CISContractorEnabled',
-        'cis_sub_contractor_enabled' => 'CISSubContractorEnabled',
-        'rate' => 'Rate'
+        'cis_contractor_enabled' => 'CISContractorEnabled''cis_sub_contractor_enabled' => 'CISSubContractorEnabled''rate' => 'Rate'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'cis_contractor_enabled' => 'setCisContractorEnabled',
-        'cis_sub_contractor_enabled' => 'setCisSubContractorEnabled',
-        'rate' => 'setRate'
+        'cis_contractor_enabled' => 'setCisContractorEnabled''cis_sub_contractor_enabled' => 'setCisSubContractorEnabled''rate' => 'setRate'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'cis_contractor_enabled' => 'getCisContractorEnabled',
-        'cis_sub_contractor_enabled' => 'getCisSubContractorEnabled',
-        'rate' => 'getRate'
+        'cis_contractor_enabled' => 'getCisContractorEnabled''cis_sub_contractor_enabled' => 'getCisSubContractorEnabled''rate' => 'getRate'
     ];
 
     /**
@@ -301,6 +293,7 @@ public function setRate($rate)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -313,6 +306,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -326,6 +320,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -342,6 +337,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/CISOrgSettings.php b/lib/Models/Accounting/CISOrgSettings.php
index 7e16fac3..dd9f9c35 100644
--- a/lib/Models/Accounting/CISOrgSettings.php
+++ b/lib/Models/Accounting/CISOrgSettings.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * CISOrgSettings Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setCisSettings($cis_settings)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['cis_settings'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['cis_settings'][$offset]) ? $this->container['cis_settings'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['cis_settings'][$offset]);
diff --git a/lib/Models/Accounting/CISSetting.php b/lib/Models/Accounting/CISSetting.php
index 39ef36d8..3002e674 100644
--- a/lib/Models/Accounting/CISSetting.php
+++ b/lib/Models/Accounting/CISSetting.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * CISSetting Class Doc Comment
  *
@@ -56,8 +58,7 @@ class CISSetting implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'cis_enabled' => 'bool',
-        'rate' => 'double'
+        'cis_enabled' => 'bool''rate' => 'double'
     ];
 
     /**
@@ -66,8 +67,7 @@ class CISSetting implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'cis_enabled' => null,
-        'rate' => 'double'
+        'cis_enabled' => null'rate' => 'double'
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'cis_enabled' => 'CISEnabled',
-        'rate' => 'Rate'
+        'cis_enabled' => 'CISEnabled''rate' => 'Rate'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'cis_enabled' => 'setCisEnabled',
-        'rate' => 'setRate'
+        'cis_enabled' => 'setCisEnabled''rate' => 'setRate'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'cis_enabled' => 'getCisEnabled',
-        'rate' => 'getRate'
+        'cis_enabled' => 'getCisEnabled''rate' => 'getRate'
     ];
 
     /**
@@ -268,6 +265,7 @@ public function setRate($rate)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -280,6 +278,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -293,6 +292,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -309,6 +309,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/CISSettings.php b/lib/Models/Accounting/CISSettings.php
index 63fe9f38..4edcd90a 100644
--- a/lib/Models/Accounting/CISSettings.php
+++ b/lib/Models/Accounting/CISSettings.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * CISSettings Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setCisSettings($cis_settings)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['cis_settings'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['cis_settings'][$offset]) ? $this->container['cis_settings'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['cis_settings'][$offset]);
diff --git a/lib/Models/Accounting/Contact.php b/lib/Models/Accounting/Contact.php
index 170f3520..3ee8e15a 100644
--- a/lib/Models/Accounting/Contact.php
+++ b/lib/Models/Accounting/Contact.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Contact Class Doc Comment
  *
@@ -56,49 +58,7 @@ class Contact implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'contact_id' => 'string',
-        'merged_to_contact_id' => 'string',
-        'contact_number' => 'string',
-        'account_number' => 'string',
-        'contact_status' => 'string',
-        'name' => 'string',
-        'first_name' => 'string',
-        'last_name' => 'string',
-        'company_number' => 'string',
-        'email_address' => 'string',
-        'skype_user_name' => 'string',
-        'contact_persons' => '\XeroAPI\XeroPHP\Models\Accounting\ContactPerson[]',
-        'bank_account_details' => 'string',
-        'tax_number' => 'string',
-        'accounts_receivable_tax_type' => 'string',
-        'accounts_payable_tax_type' => 'string',
-        'addresses' => '\XeroAPI\XeroPHP\Models\Accounting\Address[]',
-        'phones' => '\XeroAPI\XeroPHP\Models\Accounting\Phone[]',
-        'is_supplier' => 'bool',
-        'is_customer' => 'bool',
-        'sales_default_line_amount_type' => 'string',
-        'purchases_default_line_amount_type' => 'string',
-        'default_currency' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode',
-        'xero_network_key' => 'string',
-        'sales_default_account_code' => 'string',
-        'purchases_default_account_code' => 'string',
-        'sales_tracking_categories' => '\XeroAPI\XeroPHP\Models\Accounting\SalesTrackingCategory[]',
-        'purchases_tracking_categories' => '\XeroAPI\XeroPHP\Models\Accounting\SalesTrackingCategory[]',
-        'tracking_category_name' => 'string',
-        'tracking_category_option' => 'string',
-        'payment_terms' => '\XeroAPI\XeroPHP\Models\Accounting\PaymentTerm',
-        'updated_date_utc' => 'string',
-        'contact_groups' => '\XeroAPI\XeroPHP\Models\Accounting\ContactGroup[]',
-        'website' => 'string',
-        'branding_theme' => '\XeroAPI\XeroPHP\Models\Accounting\BrandingTheme',
-        'batch_payments' => '\XeroAPI\XeroPHP\Models\Accounting\BatchPaymentDetails',
-        'discount' => 'double',
-        'balances' => '\XeroAPI\XeroPHP\Models\Accounting\Balances',
-        'attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]',
-        'has_attachments' => 'bool',
-        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]',
-        'has_validation_errors' => 'bool',
-        'status_attribute_string' => 'string'
+        'contact_id' => 'string''merged_to_contact_id' => 'string''contact_number' => 'string''account_number' => 'string''contact_status' => 'string''name' => 'string''first_name' => 'string''last_name' => 'string''company_number' => 'string''email_address' => 'string''skype_user_name' => 'string''contact_persons' => '\XeroAPI\XeroPHP\Models\Accounting\ContactPerson[]''bank_account_details' => 'string''tax_number' => 'string''accounts_receivable_tax_type' => 'string''accounts_payable_tax_type' => 'string''addresses' => '\XeroAPI\XeroPHP\Models\Accounting\Address[]''phones' => '\XeroAPI\XeroPHP\Models\Accounting\Phone[]''is_supplier' => 'bool''is_customer' => 'bool''sales_default_line_amount_type' => 'string''purchases_default_line_amount_type' => 'string''default_currency' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode''xero_network_key' => 'string''sales_default_account_code' => 'string''purchases_default_account_code' => 'string''sales_tracking_categories' => '\XeroAPI\XeroPHP\Models\Accounting\SalesTrackingCategory[]''purchases_tracking_categories' => '\XeroAPI\XeroPHP\Models\Accounting\SalesTrackingCategory[]''tracking_category_name' => 'string''tracking_category_option' => 'string''payment_terms' => '\XeroAPI\XeroPHP\Models\Accounting\PaymentTerm''updated_date_utc' => 'string''contact_groups' => '\XeroAPI\XeroPHP\Models\Accounting\ContactGroup[]''website' => 'string''branding_theme' => '\XeroAPI\XeroPHP\Models\Accounting\BrandingTheme''batch_payments' => '\XeroAPI\XeroPHP\Models\Accounting\BatchPaymentDetails''discount' => 'double''balances' => '\XeroAPI\XeroPHP\Models\Accounting\Balances''attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]''has_attachments' => 'bool''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]''has_validation_errors' => 'bool''status_attribute_string' => 'string'
     ];
 
     /**
@@ -107,49 +67,7 @@ class Contact implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'contact_id' => 'uuid',
-        'merged_to_contact_id' => 'uuid',
-        'contact_number' => null,
-        'account_number' => null,
-        'contact_status' => null,
-        'name' => null,
-        'first_name' => null,
-        'last_name' => null,
-        'company_number' => null,
-        'email_address' => null,
-        'skype_user_name' => null,
-        'contact_persons' => null,
-        'bank_account_details' => null,
-        'tax_number' => null,
-        'accounts_receivable_tax_type' => null,
-        'accounts_payable_tax_type' => null,
-        'addresses' => null,
-        'phones' => null,
-        'is_supplier' => null,
-        'is_customer' => null,
-        'sales_default_line_amount_type' => null,
-        'purchases_default_line_amount_type' => null,
-        'default_currency' => null,
-        'xero_network_key' => null,
-        'sales_default_account_code' => null,
-        'purchases_default_account_code' => null,
-        'sales_tracking_categories' => null,
-        'purchases_tracking_categories' => null,
-        'tracking_category_name' => null,
-        'tracking_category_option' => null,
-        'payment_terms' => null,
-        'updated_date_utc' => null,
-        'contact_groups' => null,
-        'website' => null,
-        'branding_theme' => null,
-        'batch_payments' => null,
-        'discount' => 'double',
-        'balances' => null,
-        'attachments' => null,
-        'has_attachments' => null,
-        'validation_errors' => null,
-        'has_validation_errors' => null,
-        'status_attribute_string' => null
+        'contact_id' => 'uuid''merged_to_contact_id' => 'uuid''contact_number' => null'account_number' => null'contact_status' => null'name' => null'first_name' => null'last_name' => null'company_number' => null'email_address' => null'skype_user_name' => null'contact_persons' => null'bank_account_details' => null'tax_number' => null'accounts_receivable_tax_type' => null'accounts_payable_tax_type' => null'addresses' => null'phones' => null'is_supplier' => null'is_customer' => null'sales_default_line_amount_type' => null'purchases_default_line_amount_type' => null'default_currency' => null'xero_network_key' => null'sales_default_account_code' => null'purchases_default_account_code' => null'sales_tracking_categories' => null'purchases_tracking_categories' => null'tracking_category_name' => null'tracking_category_option' => null'payment_terms' => null'updated_date_utc' => null'contact_groups' => null'website' => null'branding_theme' => null'batch_payments' => null'discount' => 'double''balances' => null'attachments' => null'has_attachments' => null'validation_errors' => null'has_validation_errors' => null'status_attribute_string' => null
     ];
 
     /**
@@ -179,49 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'contact_id' => 'ContactID',
-        'merged_to_contact_id' => 'MergedToContactID',
-        'contact_number' => 'ContactNumber',
-        'account_number' => 'AccountNumber',
-        'contact_status' => 'ContactStatus',
-        'name' => 'Name',
-        'first_name' => 'FirstName',
-        'last_name' => 'LastName',
-        'company_number' => 'CompanyNumber',
-        'email_address' => 'EmailAddress',
-        'skype_user_name' => 'SkypeUserName',
-        'contact_persons' => 'ContactPersons',
-        'bank_account_details' => 'BankAccountDetails',
-        'tax_number' => 'TaxNumber',
-        'accounts_receivable_tax_type' => 'AccountsReceivableTaxType',
-        'accounts_payable_tax_type' => 'AccountsPayableTaxType',
-        'addresses' => 'Addresses',
-        'phones' => 'Phones',
-        'is_supplier' => 'IsSupplier',
-        'is_customer' => 'IsCustomer',
-        'sales_default_line_amount_type' => 'SalesDefaultLineAmountType',
-        'purchases_default_line_amount_type' => 'PurchasesDefaultLineAmountType',
-        'default_currency' => 'DefaultCurrency',
-        'xero_network_key' => 'XeroNetworkKey',
-        'sales_default_account_code' => 'SalesDefaultAccountCode',
-        'purchases_default_account_code' => 'PurchasesDefaultAccountCode',
-        'sales_tracking_categories' => 'SalesTrackingCategories',
-        'purchases_tracking_categories' => 'PurchasesTrackingCategories',
-        'tracking_category_name' => 'TrackingCategoryName',
-        'tracking_category_option' => 'TrackingCategoryOption',
-        'payment_terms' => 'PaymentTerms',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'contact_groups' => 'ContactGroups',
-        'website' => 'Website',
-        'branding_theme' => 'BrandingTheme',
-        'batch_payments' => 'BatchPayments',
-        'discount' => 'Discount',
-        'balances' => 'Balances',
-        'attachments' => 'Attachments',
-        'has_attachments' => 'HasAttachments',
-        'validation_errors' => 'ValidationErrors',
-        'has_validation_errors' => 'HasValidationErrors',
-        'status_attribute_string' => 'StatusAttributeString'
+        'contact_id' => 'ContactID''merged_to_contact_id' => 'MergedToContactID''contact_number' => 'ContactNumber''account_number' => 'AccountNumber''contact_status' => 'ContactStatus''name' => 'Name''first_name' => 'FirstName''last_name' => 'LastName''company_number' => 'CompanyNumber''email_address' => 'EmailAddress''skype_user_name' => 'SkypeUserName''contact_persons' => 'ContactPersons''bank_account_details' => 'BankAccountDetails''tax_number' => 'TaxNumber''accounts_receivable_tax_type' => 'AccountsReceivableTaxType''accounts_payable_tax_type' => 'AccountsPayableTaxType''addresses' => 'Addresses''phones' => 'Phones''is_supplier' => 'IsSupplier''is_customer' => 'IsCustomer''sales_default_line_amount_type' => 'SalesDefaultLineAmountType''purchases_default_line_amount_type' => 'PurchasesDefaultLineAmountType''default_currency' => 'DefaultCurrency''xero_network_key' => 'XeroNetworkKey''sales_default_account_code' => 'SalesDefaultAccountCode''purchases_default_account_code' => 'PurchasesDefaultAccountCode''sales_tracking_categories' => 'SalesTrackingCategories''purchases_tracking_categories' => 'PurchasesTrackingCategories''tracking_category_name' => 'TrackingCategoryName''tracking_category_option' => 'TrackingCategoryOption''payment_terms' => 'PaymentTerms''updated_date_utc' => 'UpdatedDateUTC''contact_groups' => 'ContactGroups''website' => 'Website''branding_theme' => 'BrandingTheme''batch_payments' => 'BatchPayments''discount' => 'Discount''balances' => 'Balances''attachments' => 'Attachments''has_attachments' => 'HasAttachments''validation_errors' => 'ValidationErrors''has_validation_errors' => 'HasValidationErrors''status_attribute_string' => 'StatusAttributeString'
     ];
 
     /**
@@ -230,49 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'contact_id' => 'setContactId',
-        'merged_to_contact_id' => 'setMergedToContactId',
-        'contact_number' => 'setContactNumber',
-        'account_number' => 'setAccountNumber',
-        'contact_status' => 'setContactStatus',
-        'name' => 'setName',
-        'first_name' => 'setFirstName',
-        'last_name' => 'setLastName',
-        'company_number' => 'setCompanyNumber',
-        'email_address' => 'setEmailAddress',
-        'skype_user_name' => 'setSkypeUserName',
-        'contact_persons' => 'setContactPersons',
-        'bank_account_details' => 'setBankAccountDetails',
-        'tax_number' => 'setTaxNumber',
-        'accounts_receivable_tax_type' => 'setAccountsReceivableTaxType',
-        'accounts_payable_tax_type' => 'setAccountsPayableTaxType',
-        'addresses' => 'setAddresses',
-        'phones' => 'setPhones',
-        'is_supplier' => 'setIsSupplier',
-        'is_customer' => 'setIsCustomer',
-        'sales_default_line_amount_type' => 'setSalesDefaultLineAmountType',
-        'purchases_default_line_amount_type' => 'setPurchasesDefaultLineAmountType',
-        'default_currency' => 'setDefaultCurrency',
-        'xero_network_key' => 'setXeroNetworkKey',
-        'sales_default_account_code' => 'setSalesDefaultAccountCode',
-        'purchases_default_account_code' => 'setPurchasesDefaultAccountCode',
-        'sales_tracking_categories' => 'setSalesTrackingCategories',
-        'purchases_tracking_categories' => 'setPurchasesTrackingCategories',
-        'tracking_category_name' => 'setTrackingCategoryName',
-        'tracking_category_option' => 'setTrackingCategoryOption',
-        'payment_terms' => 'setPaymentTerms',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'contact_groups' => 'setContactGroups',
-        'website' => 'setWebsite',
-        'branding_theme' => 'setBrandingTheme',
-        'batch_payments' => 'setBatchPayments',
-        'discount' => 'setDiscount',
-        'balances' => 'setBalances',
-        'attachments' => 'setAttachments',
-        'has_attachments' => 'setHasAttachments',
-        'validation_errors' => 'setValidationErrors',
-        'has_validation_errors' => 'setHasValidationErrors',
-        'status_attribute_string' => 'setStatusAttributeString'
+        'contact_id' => 'setContactId''merged_to_contact_id' => 'setMergedToContactId''contact_number' => 'setContactNumber''account_number' => 'setAccountNumber''contact_status' => 'setContactStatus''name' => 'setName''first_name' => 'setFirstName''last_name' => 'setLastName''company_number' => 'setCompanyNumber''email_address' => 'setEmailAddress''skype_user_name' => 'setSkypeUserName''contact_persons' => 'setContactPersons''bank_account_details' => 'setBankAccountDetails''tax_number' => 'setTaxNumber''accounts_receivable_tax_type' => 'setAccountsReceivableTaxType''accounts_payable_tax_type' => 'setAccountsPayableTaxType''addresses' => 'setAddresses''phones' => 'setPhones''is_supplier' => 'setIsSupplier''is_customer' => 'setIsCustomer''sales_default_line_amount_type' => 'setSalesDefaultLineAmountType''purchases_default_line_amount_type' => 'setPurchasesDefaultLineAmountType''default_currency' => 'setDefaultCurrency''xero_network_key' => 'setXeroNetworkKey''sales_default_account_code' => 'setSalesDefaultAccountCode''purchases_default_account_code' => 'setPurchasesDefaultAccountCode''sales_tracking_categories' => 'setSalesTrackingCategories''purchases_tracking_categories' => 'setPurchasesTrackingCategories''tracking_category_name' => 'setTrackingCategoryName''tracking_category_option' => 'setTrackingCategoryOption''payment_terms' => 'setPaymentTerms''updated_date_utc' => 'setUpdatedDateUtc''contact_groups' => 'setContactGroups''website' => 'setWebsite''branding_theme' => 'setBrandingTheme''batch_payments' => 'setBatchPayments''discount' => 'setDiscount''balances' => 'setBalances''attachments' => 'setAttachments''has_attachments' => 'setHasAttachments''validation_errors' => 'setValidationErrors''has_validation_errors' => 'setHasValidationErrors''status_attribute_string' => 'setStatusAttributeString'
     ];
 
     /**
@@ -281,49 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'contact_id' => 'getContactId',
-        'merged_to_contact_id' => 'getMergedToContactId',
-        'contact_number' => 'getContactNumber',
-        'account_number' => 'getAccountNumber',
-        'contact_status' => 'getContactStatus',
-        'name' => 'getName',
-        'first_name' => 'getFirstName',
-        'last_name' => 'getLastName',
-        'company_number' => 'getCompanyNumber',
-        'email_address' => 'getEmailAddress',
-        'skype_user_name' => 'getSkypeUserName',
-        'contact_persons' => 'getContactPersons',
-        'bank_account_details' => 'getBankAccountDetails',
-        'tax_number' => 'getTaxNumber',
-        'accounts_receivable_tax_type' => 'getAccountsReceivableTaxType',
-        'accounts_payable_tax_type' => 'getAccountsPayableTaxType',
-        'addresses' => 'getAddresses',
-        'phones' => 'getPhones',
-        'is_supplier' => 'getIsSupplier',
-        'is_customer' => 'getIsCustomer',
-        'sales_default_line_amount_type' => 'getSalesDefaultLineAmountType',
-        'purchases_default_line_amount_type' => 'getPurchasesDefaultLineAmountType',
-        'default_currency' => 'getDefaultCurrency',
-        'xero_network_key' => 'getXeroNetworkKey',
-        'sales_default_account_code' => 'getSalesDefaultAccountCode',
-        'purchases_default_account_code' => 'getPurchasesDefaultAccountCode',
-        'sales_tracking_categories' => 'getSalesTrackingCategories',
-        'purchases_tracking_categories' => 'getPurchasesTrackingCategories',
-        'tracking_category_name' => 'getTrackingCategoryName',
-        'tracking_category_option' => 'getTrackingCategoryOption',
-        'payment_terms' => 'getPaymentTerms',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'contact_groups' => 'getContactGroups',
-        'website' => 'getWebsite',
-        'branding_theme' => 'getBrandingTheme',
-        'batch_payments' => 'getBatchPayments',
-        'discount' => 'getDiscount',
-        'balances' => 'getBalances',
-        'attachments' => 'getAttachments',
-        'has_attachments' => 'getHasAttachments',
-        'validation_errors' => 'getValidationErrors',
-        'has_validation_errors' => 'getHasValidationErrors',
-        'status_attribute_string' => 'getStatusAttributeString'
+        'contact_id' => 'getContactId''merged_to_contact_id' => 'getMergedToContactId''contact_number' => 'getContactNumber''account_number' => 'getAccountNumber''contact_status' => 'getContactStatus''name' => 'getName''first_name' => 'getFirstName''last_name' => 'getLastName''company_number' => 'getCompanyNumber''email_address' => 'getEmailAddress''skype_user_name' => 'getSkypeUserName''contact_persons' => 'getContactPersons''bank_account_details' => 'getBankAccountDetails''tax_number' => 'getTaxNumber''accounts_receivable_tax_type' => 'getAccountsReceivableTaxType''accounts_payable_tax_type' => 'getAccountsPayableTaxType''addresses' => 'getAddresses''phones' => 'getPhones''is_supplier' => 'getIsSupplier''is_customer' => 'getIsCustomer''sales_default_line_amount_type' => 'getSalesDefaultLineAmountType''purchases_default_line_amount_type' => 'getPurchasesDefaultLineAmountType''default_currency' => 'getDefaultCurrency''xero_network_key' => 'getXeroNetworkKey''sales_default_account_code' => 'getSalesDefaultAccountCode''purchases_default_account_code' => 'getPurchasesDefaultAccountCode''sales_tracking_categories' => 'getSalesTrackingCategories''purchases_tracking_categories' => 'getPurchasesTrackingCategories''tracking_category_name' => 'getTrackingCategoryName''tracking_category_option' => 'getTrackingCategoryOption''payment_terms' => 'getPaymentTerms''updated_date_utc' => 'getUpdatedDateUtc''contact_groups' => 'getContactGroups''website' => 'getWebsite''branding_theme' => 'getBrandingTheme''batch_payments' => 'getBatchPayments''discount' => 'getDiscount''balances' => 'getBalances''attachments' => 'getAttachments''has_attachments' => 'getHasAttachments''validation_errors' => 'getValidationErrors''has_validation_errors' => 'getHasValidationErrors''status_attribute_string' => 'getStatusAttributeString'
     ];
 
     /**
@@ -1793,6 +1585,7 @@ public function setStatusAttributeString($status_attribute_string)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1805,6 +1598,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1818,6 +1612,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1834,6 +1629,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ContactGroup.php b/lib/Models/Accounting/ContactGroup.php
index d81beb1f..b6a5f084 100644
--- a/lib/Models/Accounting/ContactGroup.php
+++ b/lib/Models/Accounting/ContactGroup.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ContactGroup Class Doc Comment
  *
@@ -56,10 +58,7 @@ class ContactGroup implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string',
-        'status' => 'string',
-        'contact_group_id' => 'string',
-        'contacts' => '\XeroAPI\XeroPHP\Models\Accounting\Contact[]'
+        'name' => 'string''status' => 'string''contact_group_id' => 'string''contacts' => '\XeroAPI\XeroPHP\Models\Accounting\Contact[]'
     ];
 
     /**
@@ -68,10 +67,7 @@ class ContactGroup implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null,
-        'status' => null,
-        'contact_group_id' => 'uuid',
-        'contacts' => null
+        'name' => null'status' => null'contact_group_id' => 'uuid''contacts' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'Name',
-        'status' => 'Status',
-        'contact_group_id' => 'ContactGroupID',
-        'contacts' => 'Contacts'
+        'name' => 'Name''status' => 'Status''contact_group_id' => 'ContactGroupID''contacts' => 'Contacts'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName',
-        'status' => 'setStatus',
-        'contact_group_id' => 'setContactGroupId',
-        'contacts' => 'setContacts'
+        'name' => 'setName''status' => 'setStatus''contact_group_id' => 'setContactGroupId''contacts' => 'setContacts'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName',
-        'status' => 'getStatus',
-        'contact_group_id' => 'getContactGroupId',
-        'contacts' => 'getContacts'
+        'name' => 'getName''status' => 'getStatus''contact_group_id' => 'getContactGroupId''contacts' => 'getContacts'
     ];
 
     /**
@@ -367,6 +354,7 @@ public function setContacts($contacts)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -379,6 +367,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -392,6 +381,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -408,6 +398,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ContactGroups.php b/lib/Models/Accounting/ContactGroups.php
index 84010c86..b247057d 100644
--- a/lib/Models/Accounting/ContactGroups.php
+++ b/lib/Models/Accounting/ContactGroups.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ContactGroups Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setContactGroups($contact_groups)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['contact_groups'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['contact_groups'][$offset]) ? $this->container['contact_groups'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['contact_groups'][$offset]);
diff --git a/lib/Models/Accounting/ContactPerson.php b/lib/Models/Accounting/ContactPerson.php
index 995df17b..090c4752 100644
--- a/lib/Models/Accounting/ContactPerson.php
+++ b/lib/Models/Accounting/ContactPerson.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ContactPerson Class Doc Comment
  *
@@ -56,10 +58,7 @@ class ContactPerson implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'first_name' => 'string',
-        'last_name' => 'string',
-        'email_address' => 'string',
-        'include_in_emails' => 'bool'
+        'first_name' => 'string''last_name' => 'string''email_address' => 'string''include_in_emails' => 'bool'
     ];
 
     /**
@@ -68,10 +67,7 @@ class ContactPerson implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'first_name' => null,
-        'last_name' => null,
-        'email_address' => null,
-        'include_in_emails' => null
+        'first_name' => null'last_name' => null'email_address' => null'include_in_emails' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'first_name' => 'FirstName',
-        'last_name' => 'LastName',
-        'email_address' => 'EmailAddress',
-        'include_in_emails' => 'IncludeInEmails'
+        'first_name' => 'FirstName''last_name' => 'LastName''email_address' => 'EmailAddress''include_in_emails' => 'IncludeInEmails'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'first_name' => 'setFirstName',
-        'last_name' => 'setLastName',
-        'email_address' => 'setEmailAddress',
-        'include_in_emails' => 'setIncludeInEmails'
+        'first_name' => 'setFirstName''last_name' => 'setLastName''email_address' => 'setEmailAddress''include_in_emails' => 'setIncludeInEmails'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'first_name' => 'getFirstName',
-        'last_name' => 'getLastName',
-        'email_address' => 'getEmailAddress',
-        'include_in_emails' => 'getIncludeInEmails'
+        'first_name' => 'getFirstName''last_name' => 'getLastName''email_address' => 'getEmailAddress''include_in_emails' => 'getIncludeInEmails'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setIncludeInEmails($include_in_emails)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Contacts.php b/lib/Models/Accounting/Contacts.php
index 3704f347..122af024 100644
--- a/lib/Models/Accounting/Contacts.php
+++ b/lib/Models/Accounting/Contacts.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Contacts Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setContacts($contacts)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['contacts'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['contacts'][$offset]) ? $this->container['contacts'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['contacts'][$offset]);
diff --git a/lib/Models/Accounting/ConversionBalances.php b/lib/Models/Accounting/ConversionBalances.php
index 690d0faa..72df7801 100644
--- a/lib/Models/Accounting/ConversionBalances.php
+++ b/lib/Models/Accounting/ConversionBalances.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ConversionBalances Class Doc Comment
  *
@@ -57,9 +59,7 @@ class ConversionBalances implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_code' => 'string',
-        'balance' => 'double',
-        'balance_details' => '\XeroAPI\XeroPHP\Models\Accounting\BalanceDetails[]'
+        'account_code' => 'string''balance' => 'double''balance_details' => '\XeroAPI\XeroPHP\Models\Accounting\BalanceDetails[]'
     ];
 
     /**
@@ -68,9 +68,7 @@ class ConversionBalances implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_code' => null,
-        'balance' => 'double',
-        'balance_details' => null
+        'account_code' => null'balance' => 'double''balance_details' => null
     ];
 
     /**
@@ -100,9 +98,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_code' => 'AccountCode',
-        'balance' => 'Balance',
-        'balance_details' => 'BalanceDetails'
+        'account_code' => 'AccountCode''balance' => 'Balance''balance_details' => 'BalanceDetails'
     ];
 
     /**
@@ -111,9 +107,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_code' => 'setAccountCode',
-        'balance' => 'setBalance',
-        'balance_details' => 'setBalanceDetails'
+        'account_code' => 'setAccountCode''balance' => 'setBalance''balance_details' => 'setBalanceDetails'
     ];
 
     /**
@@ -122,9 +116,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_code' => 'getAccountCode',
-        'balance' => 'getBalance',
-        'balance_details' => 'getBalanceDetails'
+        'account_code' => 'getAccountCode''balance' => 'getBalance''balance_details' => 'getBalanceDetails'
     ];
 
     /**
@@ -303,6 +295,7 @@ public function setBalanceDetails($balance_details)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -315,6 +308,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -328,6 +322,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -344,6 +339,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ConversionDate.php b/lib/Models/Accounting/ConversionDate.php
index 2154e766..ec2fb122 100644
--- a/lib/Models/Accounting/ConversionDate.php
+++ b/lib/Models/Accounting/ConversionDate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ConversionDate Class Doc Comment
  *
@@ -57,8 +59,7 @@ class ConversionDate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'month' => 'int',
-        'year' => 'int'
+        'month' => 'int''year' => 'int'
     ];
 
     /**
@@ -67,8 +68,7 @@ class ConversionDate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'month' => null,
-        'year' => null
+        'month' => null'year' => null
     ];
 
     /**
@@ -98,8 +98,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'month' => 'Month',
-        'year' => 'Year'
+        'month' => 'Month''year' => 'Year'
     ];
 
     /**
@@ -108,8 +107,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'month' => 'setMonth',
-        'year' => 'setYear'
+        'month' => 'setMonth''year' => 'setYear'
     ];
 
     /**
@@ -118,8 +116,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'month' => 'getMonth',
-        'year' => 'getYear'
+        'month' => 'getMonth''year' => 'getYear'
     ];
 
     /**
@@ -270,6 +267,7 @@ public function setYear($year)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -282,6 +280,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -295,6 +294,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -311,6 +311,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/CountryCode.php b/lib/Models/Accounting/CountryCode.php
index 0fdd37a7..89446d2e 100644
--- a/lib/Models/Accounting/CountryCode.php
+++ b/lib/Models/Accounting/CountryCode.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\Accounting;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * CountryCode Class Doc Comment
  *
diff --git a/lib/Models/Accounting/CreditNote.php b/lib/Models/Accounting/CreditNote.php
index 9ae8b7e6..6e63cb19 100644
--- a/lib/Models/Accounting/CreditNote.php
+++ b/lib/Models/Accounting/CreditNote.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * CreditNote Class Doc Comment
  *
@@ -56,36 +58,7 @@ class CreditNote implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'type' => 'string',
-        'contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact',
-        'date' => 'string',
-        'due_date' => 'string',
-        'status' => 'string',
-        'line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes',
-        'line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]',
-        'sub_total' => 'double',
-        'total_tax' => 'double',
-        'total' => 'double',
-        'cis_deduction' => 'double',
-        'cis_rate' => 'double',
-        'updated_date_utc' => 'string',
-        'currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode',
-        'fully_paid_on_date' => 'string',
-        'credit_note_id' => 'string',
-        'credit_note_number' => 'string',
-        'reference' => 'string',
-        'sent_to_contact' => 'bool',
-        'currency_rate' => 'double',
-        'remaining_credit' => 'double',
-        'allocations' => '\XeroAPI\XeroPHP\Models\Accounting\Allocation[]',
-        'applied_amount' => 'double',
-        'payments' => '\XeroAPI\XeroPHP\Models\Accounting\Payment[]',
-        'branding_theme_id' => 'string',
-        'status_attribute_string' => 'string',
-        'has_attachments' => 'bool',
-        'has_errors' => 'bool',
-        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]',
-        'warnings' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
+        'type' => 'string''contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact''date' => 'string''due_date' => 'string''status' => 'string''line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes''line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]''sub_total' => 'double''total_tax' => 'double''total' => 'double''cis_deduction' => 'double''cis_rate' => 'double''updated_date_utc' => 'string''currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode''fully_paid_on_date' => 'string''credit_note_id' => 'string''credit_note_number' => 'string''reference' => 'string''sent_to_contact' => 'bool''currency_rate' => 'double''remaining_credit' => 'double''allocations' => '\XeroAPI\XeroPHP\Models\Accounting\Allocation[]''applied_amount' => 'double''payments' => '\XeroAPI\XeroPHP\Models\Accounting\Payment[]''branding_theme_id' => 'string''status_attribute_string' => 'string''has_attachments' => 'bool''has_errors' => 'bool''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]''warnings' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
     ];
 
     /**
@@ -94,36 +67,7 @@ class CreditNote implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'type' => null,
-        'contact' => null,
-        'date' => null,
-        'due_date' => null,
-        'status' => null,
-        'line_amount_types' => null,
-        'line_items' => null,
-        'sub_total' => 'double',
-        'total_tax' => 'double',
-        'total' => 'double',
-        'cis_deduction' => 'double',
-        'cis_rate' => 'double',
-        'updated_date_utc' => null,
-        'currency_code' => null,
-        'fully_paid_on_date' => null,
-        'credit_note_id' => 'uuid',
-        'credit_note_number' => null,
-        'reference' => null,
-        'sent_to_contact' => null,
-        'currency_rate' => 'double',
-        'remaining_credit' => 'double',
-        'allocations' => null,
-        'applied_amount' => 'double',
-        'payments' => null,
-        'branding_theme_id' => 'uuid',
-        'status_attribute_string' => null,
-        'has_attachments' => null,
-        'has_errors' => null,
-        'validation_errors' => null,
-        'warnings' => null
+        'type' => null'contact' => null'date' => null'due_date' => null'status' => null'line_amount_types' => null'line_items' => null'sub_total' => 'double''total_tax' => 'double''total' => 'double''cis_deduction' => 'double''cis_rate' => 'double''updated_date_utc' => null'currency_code' => null'fully_paid_on_date' => null'credit_note_id' => 'uuid''credit_note_number' => null'reference' => null'sent_to_contact' => null'currency_rate' => 'double''remaining_credit' => 'double''allocations' => null'applied_amount' => 'double''payments' => null'branding_theme_id' => 'uuid''status_attribute_string' => null'has_attachments' => null'has_errors' => null'validation_errors' => null'warnings' => null
     ];
 
     /**
@@ -153,36 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'type' => 'Type',
-        'contact' => 'Contact',
-        'date' => 'Date',
-        'due_date' => 'DueDate',
-        'status' => 'Status',
-        'line_amount_types' => 'LineAmountTypes',
-        'line_items' => 'LineItems',
-        'sub_total' => 'SubTotal',
-        'total_tax' => 'TotalTax',
-        'total' => 'Total',
-        'cis_deduction' => 'CISDeduction',
-        'cis_rate' => 'CISRate',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'currency_code' => 'CurrencyCode',
-        'fully_paid_on_date' => 'FullyPaidOnDate',
-        'credit_note_id' => 'CreditNoteID',
-        'credit_note_number' => 'CreditNoteNumber',
-        'reference' => 'Reference',
-        'sent_to_contact' => 'SentToContact',
-        'currency_rate' => 'CurrencyRate',
-        'remaining_credit' => 'RemainingCredit',
-        'allocations' => 'Allocations',
-        'applied_amount' => 'AppliedAmount',
-        'payments' => 'Payments',
-        'branding_theme_id' => 'BrandingThemeID',
-        'status_attribute_string' => 'StatusAttributeString',
-        'has_attachments' => 'HasAttachments',
-        'has_errors' => 'HasErrors',
-        'validation_errors' => 'ValidationErrors',
-        'warnings' => 'Warnings'
+        'type' => 'Type''contact' => 'Contact''date' => 'Date''due_date' => 'DueDate''status' => 'Status''line_amount_types' => 'LineAmountTypes''line_items' => 'LineItems''sub_total' => 'SubTotal''total_tax' => 'TotalTax''total' => 'Total''cis_deduction' => 'CISDeduction''cis_rate' => 'CISRate''updated_date_utc' => 'UpdatedDateUTC''currency_code' => 'CurrencyCode''fully_paid_on_date' => 'FullyPaidOnDate''credit_note_id' => 'CreditNoteID''credit_note_number' => 'CreditNoteNumber''reference' => 'Reference''sent_to_contact' => 'SentToContact''currency_rate' => 'CurrencyRate''remaining_credit' => 'RemainingCredit''allocations' => 'Allocations''applied_amount' => 'AppliedAmount''payments' => 'Payments''branding_theme_id' => 'BrandingThemeID''status_attribute_string' => 'StatusAttributeString''has_attachments' => 'HasAttachments''has_errors' => 'HasErrors''validation_errors' => 'ValidationErrors''warnings' => 'Warnings'
     ];
 
     /**
@@ -191,36 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'type' => 'setType',
-        'contact' => 'setContact',
-        'date' => 'setDate',
-        'due_date' => 'setDueDate',
-        'status' => 'setStatus',
-        'line_amount_types' => 'setLineAmountTypes',
-        'line_items' => 'setLineItems',
-        'sub_total' => 'setSubTotal',
-        'total_tax' => 'setTotalTax',
-        'total' => 'setTotal',
-        'cis_deduction' => 'setCisDeduction',
-        'cis_rate' => 'setCisRate',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'currency_code' => 'setCurrencyCode',
-        'fully_paid_on_date' => 'setFullyPaidOnDate',
-        'credit_note_id' => 'setCreditNoteId',
-        'credit_note_number' => 'setCreditNoteNumber',
-        'reference' => 'setReference',
-        'sent_to_contact' => 'setSentToContact',
-        'currency_rate' => 'setCurrencyRate',
-        'remaining_credit' => 'setRemainingCredit',
-        'allocations' => 'setAllocations',
-        'applied_amount' => 'setAppliedAmount',
-        'payments' => 'setPayments',
-        'branding_theme_id' => 'setBrandingThemeId',
-        'status_attribute_string' => 'setStatusAttributeString',
-        'has_attachments' => 'setHasAttachments',
-        'has_errors' => 'setHasErrors',
-        'validation_errors' => 'setValidationErrors',
-        'warnings' => 'setWarnings'
+        'type' => 'setType''contact' => 'setContact''date' => 'setDate''due_date' => 'setDueDate''status' => 'setStatus''line_amount_types' => 'setLineAmountTypes''line_items' => 'setLineItems''sub_total' => 'setSubTotal''total_tax' => 'setTotalTax''total' => 'setTotal''cis_deduction' => 'setCisDeduction''cis_rate' => 'setCisRate''updated_date_utc' => 'setUpdatedDateUtc''currency_code' => 'setCurrencyCode''fully_paid_on_date' => 'setFullyPaidOnDate''credit_note_id' => 'setCreditNoteId''credit_note_number' => 'setCreditNoteNumber''reference' => 'setReference''sent_to_contact' => 'setSentToContact''currency_rate' => 'setCurrencyRate''remaining_credit' => 'setRemainingCredit''allocations' => 'setAllocations''applied_amount' => 'setAppliedAmount''payments' => 'setPayments''branding_theme_id' => 'setBrandingThemeId''status_attribute_string' => 'setStatusAttributeString''has_attachments' => 'setHasAttachments''has_errors' => 'setHasErrors''validation_errors' => 'setValidationErrors''warnings' => 'setWarnings'
     ];
 
     /**
@@ -229,36 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'type' => 'getType',
-        'contact' => 'getContact',
-        'date' => 'getDate',
-        'due_date' => 'getDueDate',
-        'status' => 'getStatus',
-        'line_amount_types' => 'getLineAmountTypes',
-        'line_items' => 'getLineItems',
-        'sub_total' => 'getSubTotal',
-        'total_tax' => 'getTotalTax',
-        'total' => 'getTotal',
-        'cis_deduction' => 'getCisDeduction',
-        'cis_rate' => 'getCisRate',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'currency_code' => 'getCurrencyCode',
-        'fully_paid_on_date' => 'getFullyPaidOnDate',
-        'credit_note_id' => 'getCreditNoteId',
-        'credit_note_number' => 'getCreditNoteNumber',
-        'reference' => 'getReference',
-        'sent_to_contact' => 'getSentToContact',
-        'currency_rate' => 'getCurrencyRate',
-        'remaining_credit' => 'getRemainingCredit',
-        'allocations' => 'getAllocations',
-        'applied_amount' => 'getAppliedAmount',
-        'payments' => 'getPayments',
-        'branding_theme_id' => 'getBrandingThemeId',
-        'status_attribute_string' => 'getStatusAttributeString',
-        'has_attachments' => 'getHasAttachments',
-        'has_errors' => 'getHasErrors',
-        'validation_errors' => 'getValidationErrors',
-        'warnings' => 'getWarnings'
+        'type' => 'getType''contact' => 'getContact''date' => 'getDate''due_date' => 'getDueDate''status' => 'getStatus''line_amount_types' => 'getLineAmountTypes''line_items' => 'getLineItems''sub_total' => 'getSubTotal''total_tax' => 'getTotalTax''total' => 'getTotal''cis_deduction' => 'getCisDeduction''cis_rate' => 'getCisRate''updated_date_utc' => 'getUpdatedDateUtc''currency_code' => 'getCurrencyCode''fully_paid_on_date' => 'getFullyPaidOnDate''credit_note_id' => 'getCreditNoteId''credit_note_number' => 'getCreditNoteNumber''reference' => 'getReference''sent_to_contact' => 'getSentToContact''currency_rate' => 'getCurrencyRate''remaining_credit' => 'getRemainingCredit''allocations' => 'getAllocations''applied_amount' => 'getAppliedAmount''payments' => 'getPayments''branding_theme_id' => 'getBrandingThemeId''status_attribute_string' => 'getStatusAttributeString''has_attachments' => 'getHasAttachments''has_errors' => 'getHasErrors''validation_errors' => 'getValidationErrors''warnings' => 'getWarnings'
     ];
 
     /**
@@ -1347,6 +1204,7 @@ public function setWarnings($warnings)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1359,6 +1217,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1372,6 +1231,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1388,6 +1248,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/CreditNotes.php b/lib/Models/Accounting/CreditNotes.php
index 2a1aa290..5f0de03a 100644
--- a/lib/Models/Accounting/CreditNotes.php
+++ b/lib/Models/Accounting/CreditNotes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * CreditNotes Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setCreditNotes($credit_notes)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['credit_notes'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['credit_notes'][$offset]) ? $this->container['credit_notes'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['credit_notes'][$offset]);
diff --git a/lib/Models/Accounting/Currencies.php b/lib/Models/Accounting/Currencies.php
index 90004a2c..9213f912 100644
--- a/lib/Models/Accounting/Currencies.php
+++ b/lib/Models/Accounting/Currencies.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Currencies Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setCurrencies($currencies)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['currencies'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['currencies'][$offset]) ? $this->container['currencies'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['currencies'][$offset]);
diff --git a/lib/Models/Accounting/Currency.php b/lib/Models/Accounting/Currency.php
index 990d2d8c..c34edd60 100644
--- a/lib/Models/Accounting/Currency.php
+++ b/lib/Models/Accounting/Currency.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Currency Class Doc Comment
  *
@@ -56,8 +58,7 @@ class Currency implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode',
-        'description' => 'string'
+        'code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode''description' => 'string'
     ];
 
     /**
@@ -66,8 +67,7 @@ class Currency implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'code' => null,
-        'description' => null
+        'code' => null'description' => null
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'code' => 'Code',
-        'description' => 'Description'
+        'code' => 'Code''description' => 'Description'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'code' => 'setCode',
-        'description' => 'setDescription'
+        'code' => 'setCode''description' => 'setDescription'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'code' => 'getCode',
-        'description' => 'getDescription'
+        'code' => 'getCode''description' => 'getDescription'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setDescription($description)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/CurrencyCode.php b/lib/Models/Accounting/CurrencyCode.php
index cf5aef6c..bd8934cf 100644
--- a/lib/Models/Accounting/CurrencyCode.php
+++ b/lib/Models/Accounting/CurrencyCode.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\Accounting;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * CurrencyCode Class Doc Comment
  *
diff --git a/lib/Models/Accounting/Element.php b/lib/Models/Accounting/Element.php
index 0789a2f3..f41a3e1d 100644
--- a/lib/Models/Accounting/Element.php
+++ b/lib/Models/Accounting/Element.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Element Class Doc Comment
  *
@@ -56,14 +58,7 @@ class Element implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]',
-        'batch_payment_id' => 'string',
-        'bank_transaction_id' => 'string',
-        'credit_note_id' => 'string',
-        'contact_id' => 'string',
-        'invoice_id' => 'string',
-        'item_id' => 'string',
-        'purchase_order_id' => 'string'
+        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]''batch_payment_id' => 'string''bank_transaction_id' => 'string''credit_note_id' => 'string''contact_id' => 'string''invoice_id' => 'string''item_id' => 'string''purchase_order_id' => 'string'
     ];
 
     /**
@@ -72,14 +67,7 @@ class Element implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'validation_errors' => null,
-        'batch_payment_id' => 'uuid',
-        'bank_transaction_id' => 'uuid',
-        'credit_note_id' => 'uuid',
-        'contact_id' => 'uuid',
-        'invoice_id' => 'uuid',
-        'item_id' => 'uuid',
-        'purchase_order_id' => 'uuid'
+        'validation_errors' => null'batch_payment_id' => 'uuid''bank_transaction_id' => 'uuid''credit_note_id' => 'uuid''contact_id' => 'uuid''invoice_id' => 'uuid''item_id' => 'uuid''purchase_order_id' => 'uuid'
     ];
 
     /**
@@ -109,14 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'validation_errors' => 'ValidationErrors',
-        'batch_payment_id' => 'BatchPaymentID',
-        'bank_transaction_id' => 'BankTransactionID',
-        'credit_note_id' => 'CreditNoteID',
-        'contact_id' => 'ContactID',
-        'invoice_id' => 'InvoiceID',
-        'item_id' => 'ItemID',
-        'purchase_order_id' => 'PurchaseOrderID'
+        'validation_errors' => 'ValidationErrors''batch_payment_id' => 'BatchPaymentID''bank_transaction_id' => 'BankTransactionID''credit_note_id' => 'CreditNoteID''contact_id' => 'ContactID''invoice_id' => 'InvoiceID''item_id' => 'ItemID''purchase_order_id' => 'PurchaseOrderID'
     ];
 
     /**
@@ -125,14 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'validation_errors' => 'setValidationErrors',
-        'batch_payment_id' => 'setBatchPaymentId',
-        'bank_transaction_id' => 'setBankTransactionId',
-        'credit_note_id' => 'setCreditNoteId',
-        'contact_id' => 'setContactId',
-        'invoice_id' => 'setInvoiceId',
-        'item_id' => 'setItemId',
-        'purchase_order_id' => 'setPurchaseOrderId'
+        'validation_errors' => 'setValidationErrors''batch_payment_id' => 'setBatchPaymentId''bank_transaction_id' => 'setBankTransactionId''credit_note_id' => 'setCreditNoteId''contact_id' => 'setContactId''invoice_id' => 'setInvoiceId''item_id' => 'setItemId''purchase_order_id' => 'setPurchaseOrderId'
     ];
 
     /**
@@ -141,14 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'validation_errors' => 'getValidationErrors',
-        'batch_payment_id' => 'getBatchPaymentId',
-        'bank_transaction_id' => 'getBankTransactionId',
-        'credit_note_id' => 'getCreditNoteId',
-        'contact_id' => 'getContactId',
-        'invoice_id' => 'getInvoiceId',
-        'item_id' => 'getItemId',
-        'purchase_order_id' => 'getPurchaseOrderId'
+        'validation_errors' => 'getValidationErrors''batch_payment_id' => 'getBatchPaymentId''bank_transaction_id' => 'getBankTransactionId''credit_note_id' => 'getCreditNoteId''contact_id' => 'getContactId''invoice_id' => 'getInvoiceId''item_id' => 'getItemId''purchase_order_id' => 'getPurchaseOrderId'
     ];
 
     /**
@@ -467,6 +434,7 @@ public function setPurchaseOrderId($purchase_order_id)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -479,6 +447,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -492,6 +461,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -508,6 +478,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Employee.php b/lib/Models/Accounting/Employee.php
index 85bff64d..e20ba7cb 100644
--- a/lib/Models/Accounting/Employee.php
+++ b/lib/Models/Accounting/Employee.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Employee Class Doc Comment
  *
@@ -56,14 +58,7 @@ class Employee implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'employee_id' => 'string',
-        'status' => 'string',
-        'first_name' => 'string',
-        'last_name' => 'string',
-        'external_link' => '\XeroAPI\XeroPHP\Models\Accounting\ExternalLink',
-        'updated_date_utc' => 'string',
-        'status_attribute_string' => 'string',
-        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
+        'employee_id' => 'string''status' => 'string''first_name' => 'string''last_name' => 'string''external_link' => '\XeroAPI\XeroPHP\Models\Accounting\ExternalLink''updated_date_utc' => 'string''status_attribute_string' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
     ];
 
     /**
@@ -72,14 +67,7 @@ class Employee implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'employee_id' => 'uuid',
-        'status' => null,
-        'first_name' => null,
-        'last_name' => null,
-        'external_link' => null,
-        'updated_date_utc' => null,
-        'status_attribute_string' => null,
-        'validation_errors' => null
+        'employee_id' => 'uuid''status' => null'first_name' => null'last_name' => null'external_link' => null'updated_date_utc' => null'status_attribute_string' => null'validation_errors' => null
     ];
 
     /**
@@ -109,14 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'employee_id' => 'EmployeeID',
-        'status' => 'Status',
-        'first_name' => 'FirstName',
-        'last_name' => 'LastName',
-        'external_link' => 'ExternalLink',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'status_attribute_string' => 'StatusAttributeString',
-        'validation_errors' => 'ValidationErrors'
+        'employee_id' => 'EmployeeID''status' => 'Status''first_name' => 'FirstName''last_name' => 'LastName''external_link' => 'ExternalLink''updated_date_utc' => 'UpdatedDateUTC''status_attribute_string' => 'StatusAttributeString''validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -125,14 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'employee_id' => 'setEmployeeId',
-        'status' => 'setStatus',
-        'first_name' => 'setFirstName',
-        'last_name' => 'setLastName',
-        'external_link' => 'setExternalLink',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'status_attribute_string' => 'setStatusAttributeString',
-        'validation_errors' => 'setValidationErrors'
+        'employee_id' => 'setEmployeeId''status' => 'setStatus''first_name' => 'setFirstName''last_name' => 'setLastName''external_link' => 'setExternalLink''updated_date_utc' => 'setUpdatedDateUtc''status_attribute_string' => 'setStatusAttributeString''validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -141,14 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'employee_id' => 'getEmployeeId',
-        'status' => 'getStatus',
-        'first_name' => 'getFirstName',
-        'last_name' => 'getLastName',
-        'external_link' => 'getExternalLink',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'status_attribute_string' => 'getStatusAttributeString',
-        'validation_errors' => 'getValidationErrors'
+        'employee_id' => 'getEmployeeId''status' => 'getStatus''first_name' => 'getFirstName''last_name' => 'getLastName''external_link' => 'getExternalLink''updated_date_utc' => 'getUpdatedDateUtc''status_attribute_string' => 'getStatusAttributeString''validation_errors' => 'getValidationErrors'
     ];
 
     /**
@@ -526,6 +493,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -538,6 +506,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -551,6 +520,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -567,6 +537,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Employees.php b/lib/Models/Accounting/Employees.php
index e6b83581..6abedac3 100644
--- a/lib/Models/Accounting/Employees.php
+++ b/lib/Models/Accounting/Employees.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Employees Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setEmployees($employees)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['employees'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['employees'][$offset]) ? $this->container['employees'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['employees'][$offset]);
diff --git a/lib/Models/Accounting/Error.php b/lib/Models/Accounting/Error.php
index a981a00c..1400aba3 100644
--- a/lib/Models/Accounting/Error.php
+++ b/lib/Models/Accounting/Error.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Error Class Doc Comment
  *
@@ -56,10 +58,7 @@ class Error implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'error_number' => 'int',
-        'type' => 'string',
-        'message' => 'string',
-        'elements' => '\XeroAPI\XeroPHP\Models\Accounting\Element[]'
+        'error_number' => 'int''type' => 'string''message' => 'string''elements' => '\XeroAPI\XeroPHP\Models\Accounting\Element[]'
     ];
 
     /**
@@ -68,10 +67,7 @@ class Error implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'error_number' => null,
-        'type' => null,
-        'message' => null,
-        'elements' => null
+        'error_number' => null'type' => null'message' => null'elements' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'error_number' => 'ErrorNumber',
-        'type' => 'Type',
-        'message' => 'Message',
-        'elements' => 'Elements'
+        'error_number' => 'ErrorNumber''type' => 'Type''message' => 'Message''elements' => 'Elements'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'error_number' => 'setErrorNumber',
-        'type' => 'setType',
-        'message' => 'setMessage',
-        'elements' => 'setElements'
+        'error_number' => 'setErrorNumber''type' => 'setType''message' => 'setMessage''elements' => 'setElements'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'error_number' => 'getErrorNumber',
-        'type' => 'getType',
-        'message' => 'getMessage',
-        'elements' => 'getElements'
+        'error_number' => 'getErrorNumber''type' => 'getType''message' => 'getMessage''elements' => 'getElements'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setElements($elements)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ExpenseClaim.php b/lib/Models/Accounting/ExpenseClaim.php
index 3b92f735..b51ef2c6 100644
--- a/lib/Models/Accounting/ExpenseClaim.php
+++ b/lib/Models/Accounting/ExpenseClaim.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ExpenseClaim Class Doc Comment
  *
@@ -56,18 +58,7 @@ class ExpenseClaim implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'expense_claim_id' => 'string',
-        'status' => 'string',
-        'payments' => '\XeroAPI\XeroPHP\Models\Accounting\Payment[]',
-        'user' => '\XeroAPI\XeroPHP\Models\Accounting\User',
-        'receipts' => '\XeroAPI\XeroPHP\Models\Accounting\Receipt[]',
-        'updated_date_utc' => 'string',
-        'total' => 'double',
-        'amount_due' => 'double',
-        'amount_paid' => 'double',
-        'payment_due_date' => 'string',
-        'reporting_date' => 'string',
-        'receipt_id' => 'string'
+        'expense_claim_id' => 'string''status' => 'string''payments' => '\XeroAPI\XeroPHP\Models\Accounting\Payment[]''user' => '\XeroAPI\XeroPHP\Models\Accounting\User''receipts' => '\XeroAPI\XeroPHP\Models\Accounting\Receipt[]''updated_date_utc' => 'string''total' => 'double''amount_due' => 'double''amount_paid' => 'double''payment_due_date' => 'string''reporting_date' => 'string''receipt_id' => 'string'
     ];
 
     /**
@@ -76,18 +67,7 @@ class ExpenseClaim implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'expense_claim_id' => 'uuid',
-        'status' => null,
-        'payments' => null,
-        'user' => null,
-        'receipts' => null,
-        'updated_date_utc' => null,
-        'total' => 'double',
-        'amount_due' => 'double',
-        'amount_paid' => 'double',
-        'payment_due_date' => null,
-        'reporting_date' => null,
-        'receipt_id' => 'uuid'
+        'expense_claim_id' => 'uuid''status' => null'payments' => null'user' => null'receipts' => null'updated_date_utc' => null'total' => 'double''amount_due' => 'double''amount_paid' => 'double''payment_due_date' => null'reporting_date' => null'receipt_id' => 'uuid'
     ];
 
     /**
@@ -117,18 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'expense_claim_id' => 'ExpenseClaimID',
-        'status' => 'Status',
-        'payments' => 'Payments',
-        'user' => 'User',
-        'receipts' => 'Receipts',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'total' => 'Total',
-        'amount_due' => 'AmountDue',
-        'amount_paid' => 'AmountPaid',
-        'payment_due_date' => 'PaymentDueDate',
-        'reporting_date' => 'ReportingDate',
-        'receipt_id' => 'ReceiptID'
+        'expense_claim_id' => 'ExpenseClaimID''status' => 'Status''payments' => 'Payments''user' => 'User''receipts' => 'Receipts''updated_date_utc' => 'UpdatedDateUTC''total' => 'Total''amount_due' => 'AmountDue''amount_paid' => 'AmountPaid''payment_due_date' => 'PaymentDueDate''reporting_date' => 'ReportingDate''receipt_id' => 'ReceiptID'
     ];
 
     /**
@@ -137,18 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'expense_claim_id' => 'setExpenseClaimId',
-        'status' => 'setStatus',
-        'payments' => 'setPayments',
-        'user' => 'setUser',
-        'receipts' => 'setReceipts',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'total' => 'setTotal',
-        'amount_due' => 'setAmountDue',
-        'amount_paid' => 'setAmountPaid',
-        'payment_due_date' => 'setPaymentDueDate',
-        'reporting_date' => 'setReportingDate',
-        'receipt_id' => 'setReceiptId'
+        'expense_claim_id' => 'setExpenseClaimId''status' => 'setStatus''payments' => 'setPayments''user' => 'setUser''receipts' => 'setReceipts''updated_date_utc' => 'setUpdatedDateUtc''total' => 'setTotal''amount_due' => 'setAmountDue''amount_paid' => 'setAmountPaid''payment_due_date' => 'setPaymentDueDate''reporting_date' => 'setReportingDate''receipt_id' => 'setReceiptId'
     ];
 
     /**
@@ -157,18 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'expense_claim_id' => 'getExpenseClaimId',
-        'status' => 'getStatus',
-        'payments' => 'getPayments',
-        'user' => 'getUser',
-        'receipts' => 'getReceipts',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'total' => 'getTotal',
-        'amount_due' => 'getAmountDue',
-        'amount_paid' => 'getAmountPaid',
-        'payment_due_date' => 'getPaymentDueDate',
-        'reporting_date' => 'getReportingDate',
-        'receipt_id' => 'getReceiptId'
+        'expense_claim_id' => 'getExpenseClaimId''status' => 'getStatus''payments' => 'getPayments''user' => 'getUser''receipts' => 'getReceipts''updated_date_utc' => 'getUpdatedDateUtc''total' => 'getTotal''amount_due' => 'getAmountDue''amount_paid' => 'getAmountPaid''payment_due_date' => 'getPaymentDueDate''reporting_date' => 'getReportingDate''receipt_id' => 'getReceiptId'
     ];
 
     /**
@@ -655,6 +602,7 @@ public function setReceiptId($receipt_id)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -667,6 +615,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -680,6 +629,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -696,6 +646,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ExpenseClaims.php b/lib/Models/Accounting/ExpenseClaims.php
index a3b7caf4..415c0f76 100644
--- a/lib/Models/Accounting/ExpenseClaims.php
+++ b/lib/Models/Accounting/ExpenseClaims.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ExpenseClaims Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setExpenseClaims($expense_claims)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['expense_claims'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['expense_claims'][$offset]) ? $this->container['expense_claims'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['expense_claims'][$offset]);
diff --git a/lib/Models/Accounting/ExternalLink.php b/lib/Models/Accounting/ExternalLink.php
index 26bbcd46..fc6cdcb9 100644
--- a/lib/Models/Accounting/ExternalLink.php
+++ b/lib/Models/Accounting/ExternalLink.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ExternalLink Class Doc Comment
  *
@@ -56,9 +58,7 @@ class ExternalLink implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'link_type' => 'string',
-        'url' => 'string',
-        'description' => 'string'
+        'link_type' => 'string''url' => 'string''description' => 'string'
     ];
 
     /**
@@ -67,9 +67,7 @@ class ExternalLink implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'link_type' => null,
-        'url' => null,
-        'description' => null
+        'link_type' => null'url' => null'description' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'link_type' => 'LinkType',
-        'url' => 'Url',
-        'description' => 'Description'
+        'link_type' => 'LinkType''url' => 'Url''description' => 'Description'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'link_type' => 'setLinkType',
-        'url' => 'setUrl',
-        'description' => 'setDescription'
+        'link_type' => 'setLinkType''url' => 'setUrl''description' => 'setDescription'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'link_type' => 'getLinkType',
-        'url' => 'getUrl',
-        'description' => 'getDescription'
+        'link_type' => 'getLinkType''url' => 'getUrl''description' => 'getDescription'
     ];
 
     /**
@@ -340,6 +332,7 @@ public function setDescription($description)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -352,6 +345,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -365,6 +359,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,6 +376,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/HistoryRecord.php b/lib/Models/Accounting/HistoryRecord.php
index 815e2c47..380f4e27 100644
--- a/lib/Models/Accounting/HistoryRecord.php
+++ b/lib/Models/Accounting/HistoryRecord.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * HistoryRecord Class Doc Comment
  *
@@ -56,10 +58,7 @@ class HistoryRecord implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'details' => 'string',
-        'changes' => 'string',
-        'user' => 'string',
-        'date_utc' => 'string'
+        'details' => 'string''changes' => 'string''user' => 'string''date_utc' => 'string'
     ];
 
     /**
@@ -68,10 +67,7 @@ class HistoryRecord implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'details' => null,
-        'changes' => null,
-        'user' => null,
-        'date_utc' => null
+        'details' => null'changes' => null'user' => null'date_utc' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'details' => 'Details',
-        'changes' => 'Changes',
-        'user' => 'User',
-        'date_utc' => 'DateUTC'
+        'details' => 'Details''changes' => 'Changes''user' => 'User''date_utc' => 'DateUTC'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'details' => 'setDetails',
-        'changes' => 'setChanges',
-        'user' => 'setUser',
-        'date_utc' => 'setDateUtc'
+        'details' => 'setDetails''changes' => 'setChanges''user' => 'setUser''date_utc' => 'setDateUtc'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'details' => 'getDetails',
-        'changes' => 'getChanges',
-        'user' => 'getUser',
-        'date_utc' => 'getDateUtc'
+        'details' => 'getDetails''changes' => 'getChanges''user' => 'getUser''date_utc' => 'getDateUtc'
     ];
 
     /**
@@ -342,6 +329,7 @@ public function setDateUtc($date_utc)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -354,6 +342,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -367,6 +356,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -383,6 +373,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/HistoryRecords.php b/lib/Models/Accounting/HistoryRecords.php
index 246a7f5c..039d5d9f 100644
--- a/lib/Models/Accounting/HistoryRecords.php
+++ b/lib/Models/Accounting/HistoryRecords.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * HistoryRecords Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setHistoryRecords($history_records)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['history_records'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['history_records'][$offset]) ? $this->container['history_records'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['history_records'][$offset]);
diff --git a/lib/Models/Accounting/ImportSummary.php b/lib/Models/Accounting/ImportSummary.php
index 75cce0c2..41b4091c 100644
--- a/lib/Models/Accounting/ImportSummary.php
+++ b/lib/Models/Accounting/ImportSummary.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ImportSummary Class Doc Comment
  *
@@ -57,8 +59,7 @@ class ImportSummary implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'accounts' => '\XeroAPI\XeroPHP\Models\Accounting\ImportSummaryAccounts',
-        'organisation' => '\XeroAPI\XeroPHP\Models\Accounting\ImportSummaryOrganisation'
+        'accounts' => '\XeroAPI\XeroPHP\Models\Accounting\ImportSummaryAccounts''organisation' => '\XeroAPI\XeroPHP\Models\Accounting\ImportSummaryOrganisation'
     ];
 
     /**
@@ -67,8 +68,7 @@ class ImportSummary implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'accounts' => null,
-        'organisation' => null
+        'accounts' => null'organisation' => null
     ];
 
     /**
@@ -98,8 +98,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'accounts' => 'Accounts',
-        'organisation' => 'Organisation'
+        'accounts' => 'Accounts''organisation' => 'Organisation'
     ];
 
     /**
@@ -108,8 +107,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'accounts' => 'setAccounts',
-        'organisation' => 'setOrganisation'
+        'accounts' => 'setAccounts''organisation' => 'setOrganisation'
     ];
 
     /**
@@ -118,8 +116,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'accounts' => 'getAccounts',
-        'organisation' => 'getOrganisation'
+        'accounts' => 'getAccounts''organisation' => 'getOrganisation'
     ];
 
     /**
@@ -270,6 +267,7 @@ public function setOrganisation($organisation)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -282,6 +280,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -295,6 +294,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -311,6 +311,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ImportSummaryAccounts.php b/lib/Models/Accounting/ImportSummaryAccounts.php
index 2995bec3..201d5422 100644
--- a/lib/Models/Accounting/ImportSummaryAccounts.php
+++ b/lib/Models/Accounting/ImportSummaryAccounts.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ImportSummaryAccounts Class Doc Comment
  *
@@ -57,15 +59,7 @@ class ImportSummaryAccounts implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'total' => 'int',
-        'new' => 'int',
-        'updated' => 'int',
-        'deleted' => 'int',
-        'locked' => 'int',
-        'system' => 'int',
-        'errored' => 'int',
-        'present' => 'bool',
-        'new_or_updated' => 'int'
+        'total' => 'int''new' => 'int''updated' => 'int''deleted' => 'int''locked' => 'int''system' => 'int''errored' => 'int''present' => 'bool''new_or_updated' => 'int'
     ];
 
     /**
@@ -74,15 +68,7 @@ class ImportSummaryAccounts implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'total' => 'int32',
-        'new' => 'int32',
-        'updated' => 'int32',
-        'deleted' => 'int32',
-        'locked' => 'int32',
-        'system' => 'int32',
-        'errored' => 'int32',
-        'present' => null,
-        'new_or_updated' => 'int32'
+        'total' => 'int32''new' => 'int32''updated' => 'int32''deleted' => 'int32''locked' => 'int32''system' => 'int32''errored' => 'int32''present' => null'new_or_updated' => 'int32'
     ];
 
     /**
@@ -112,15 +98,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'total' => 'Total',
-        'new' => 'New',
-        'updated' => 'Updated',
-        'deleted' => 'Deleted',
-        'locked' => 'Locked',
-        'system' => 'System',
-        'errored' => 'Errored',
-        'present' => 'Present',
-        'new_or_updated' => 'NewOrUpdated'
+        'total' => 'Total''new' => 'New''updated' => 'Updated''deleted' => 'Deleted''locked' => 'Locked''system' => 'System''errored' => 'Errored''present' => 'Present''new_or_updated' => 'NewOrUpdated'
     ];
 
     /**
@@ -129,15 +107,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'total' => 'setTotal',
-        'new' => 'setNew',
-        'updated' => 'setUpdated',
-        'deleted' => 'setDeleted',
-        'locked' => 'setLocked',
-        'system' => 'setSystem',
-        'errored' => 'setErrored',
-        'present' => 'setPresent',
-        'new_or_updated' => 'setNewOrUpdated'
+        'total' => 'setTotal''new' => 'setNew''updated' => 'setUpdated''deleted' => 'setDeleted''locked' => 'setLocked''system' => 'setSystem''errored' => 'setErrored''present' => 'setPresent''new_or_updated' => 'setNewOrUpdated'
     ];
 
     /**
@@ -146,15 +116,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'total' => 'getTotal',
-        'new' => 'getNew',
-        'updated' => 'getUpdated',
-        'deleted' => 'getDeleted',
-        'locked' => 'getLocked',
-        'system' => 'getSystem',
-        'errored' => 'getErrored',
-        'present' => 'getPresent',
-        'new_or_updated' => 'getNewOrUpdated'
+        'total' => 'getTotal''new' => 'getNew''updated' => 'getUpdated''deleted' => 'getDeleted''locked' => 'getLocked''system' => 'getSystem''errored' => 'getErrored''present' => 'getPresent''new_or_updated' => 'getNewOrUpdated'
     ];
 
     /**
@@ -501,6 +463,7 @@ public function setNewOrUpdated($new_or_updated)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -513,6 +476,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -526,6 +490,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -542,6 +507,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ImportSummaryObject.php b/lib/Models/Accounting/ImportSummaryObject.php
index 8d9c42a8..badb795d 100644
--- a/lib/Models/Accounting/ImportSummaryObject.php
+++ b/lib/Models/Accounting/ImportSummaryObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ImportSummaryObject Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setImportSummary($import_summary)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ImportSummaryOrganisation.php b/lib/Models/Accounting/ImportSummaryOrganisation.php
index de7e8c50..4b772a30 100644
--- a/lib/Models/Accounting/ImportSummaryOrganisation.php
+++ b/lib/Models/Accounting/ImportSummaryOrganisation.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ImportSummaryOrganisation Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setPresent($present)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Invoice.php b/lib/Models/Accounting/Invoice.php
index cc83f177..11235b51 100644
--- a/lib/Models/Accounting/Invoice.php
+++ b/lib/Models/Accounting/Invoice.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Invoice Class Doc Comment
  *
@@ -56,46 +58,7 @@ class Invoice implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'type' => 'string',
-        'contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact',
-        'line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]',
-        'date' => 'string',
-        'due_date' => 'string',
-        'line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes',
-        'invoice_number' => 'string',
-        'reference' => 'string',
-        'branding_theme_id' => 'string',
-        'url' => 'string',
-        'currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode',
-        'currency_rate' => 'double',
-        'status' => 'string',
-        'sent_to_contact' => 'bool',
-        'expected_payment_date' => 'string',
-        'planned_payment_date' => 'string',
-        'cis_deduction' => 'double',
-        'cis_rate' => 'double',
-        'sub_total' => 'double',
-        'total_tax' => 'double',
-        'total' => 'double',
-        'total_discount' => 'double',
-        'invoice_id' => 'string',
-        'repeating_invoice_id' => 'string',
-        'has_attachments' => 'bool',
-        'is_discounted' => 'bool',
-        'payments' => '\XeroAPI\XeroPHP\Models\Accounting\Payment[]',
-        'prepayments' => '\XeroAPI\XeroPHP\Models\Accounting\Prepayment[]',
-        'overpayments' => '\XeroAPI\XeroPHP\Models\Accounting\Overpayment[]',
-        'amount_due' => 'double',
-        'amount_paid' => 'double',
-        'fully_paid_on_date' => 'string',
-        'amount_credited' => 'double',
-        'updated_date_utc' => 'string',
-        'credit_notes' => '\XeroAPI\XeroPHP\Models\Accounting\CreditNote[]',
-        'attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]',
-        'has_errors' => 'bool',
-        'status_attribute_string' => 'string',
-        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]',
-        'warnings' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
+        'type' => 'string''contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact''line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]''date' => 'string''due_date' => 'string''line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes''invoice_number' => 'string''reference' => 'string''branding_theme_id' => 'string''url' => 'string''currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode''currency_rate' => 'double''status' => 'string''sent_to_contact' => 'bool''expected_payment_date' => 'string''planned_payment_date' => 'string''cis_deduction' => 'double''cis_rate' => 'double''sub_total' => 'double''total_tax' => 'double''total' => 'double''total_discount' => 'double''invoice_id' => 'string''repeating_invoice_id' => 'string''has_attachments' => 'bool''is_discounted' => 'bool''payments' => '\XeroAPI\XeroPHP\Models\Accounting\Payment[]''prepayments' => '\XeroAPI\XeroPHP\Models\Accounting\Prepayment[]''overpayments' => '\XeroAPI\XeroPHP\Models\Accounting\Overpayment[]''amount_due' => 'double''amount_paid' => 'double''fully_paid_on_date' => 'string''amount_credited' => 'double''updated_date_utc' => 'string''credit_notes' => '\XeroAPI\XeroPHP\Models\Accounting\CreditNote[]''attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]''has_errors' => 'bool''status_attribute_string' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]''warnings' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
     ];
 
     /**
@@ -104,46 +67,7 @@ class Invoice implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'type' => null,
-        'contact' => null,
-        'line_items' => null,
-        'date' => null,
-        'due_date' => null,
-        'line_amount_types' => null,
-        'invoice_number' => null,
-        'reference' => null,
-        'branding_theme_id' => 'uuid',
-        'url' => null,
-        'currency_code' => null,
-        'currency_rate' => 'double',
-        'status' => null,
-        'sent_to_contact' => null,
-        'expected_payment_date' => null,
-        'planned_payment_date' => null,
-        'cis_deduction' => 'double',
-        'cis_rate' => 'double',
-        'sub_total' => 'double',
-        'total_tax' => 'double',
-        'total' => 'double',
-        'total_discount' => 'double',
-        'invoice_id' => 'uuid',
-        'repeating_invoice_id' => 'uuid',
-        'has_attachments' => null,
-        'is_discounted' => null,
-        'payments' => null,
-        'prepayments' => null,
-        'overpayments' => null,
-        'amount_due' => 'double',
-        'amount_paid' => 'double',
-        'fully_paid_on_date' => null,
-        'amount_credited' => 'double',
-        'updated_date_utc' => null,
-        'credit_notes' => null,
-        'attachments' => null,
-        'has_errors' => null,
-        'status_attribute_string' => null,
-        'validation_errors' => null,
-        'warnings' => null
+        'type' => null'contact' => null'line_items' => null'date' => null'due_date' => null'line_amount_types' => null'invoice_number' => null'reference' => null'branding_theme_id' => 'uuid''url' => null'currency_code' => null'currency_rate' => 'double''status' => null'sent_to_contact' => null'expected_payment_date' => null'planned_payment_date' => null'cis_deduction' => 'double''cis_rate' => 'double''sub_total' => 'double''total_tax' => 'double''total' => 'double''total_discount' => 'double''invoice_id' => 'uuid''repeating_invoice_id' => 'uuid''has_attachments' => null'is_discounted' => null'payments' => null'prepayments' => null'overpayments' => null'amount_due' => 'double''amount_paid' => 'double''fully_paid_on_date' => null'amount_credited' => 'double''updated_date_utc' => null'credit_notes' => null'attachments' => null'has_errors' => null'status_attribute_string' => null'validation_errors' => null'warnings' => null
     ];
 
     /**
@@ -173,46 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'type' => 'Type',
-        'contact' => 'Contact',
-        'line_items' => 'LineItems',
-        'date' => 'Date',
-        'due_date' => 'DueDate',
-        'line_amount_types' => 'LineAmountTypes',
-        'invoice_number' => 'InvoiceNumber',
-        'reference' => 'Reference',
-        'branding_theme_id' => 'BrandingThemeID',
-        'url' => 'Url',
-        'currency_code' => 'CurrencyCode',
-        'currency_rate' => 'CurrencyRate',
-        'status' => 'Status',
-        'sent_to_contact' => 'SentToContact',
-        'expected_payment_date' => 'ExpectedPaymentDate',
-        'planned_payment_date' => 'PlannedPaymentDate',
-        'cis_deduction' => 'CISDeduction',
-        'cis_rate' => 'CISRate',
-        'sub_total' => 'SubTotal',
-        'total_tax' => 'TotalTax',
-        'total' => 'Total',
-        'total_discount' => 'TotalDiscount',
-        'invoice_id' => 'InvoiceID',
-        'repeating_invoice_id' => 'RepeatingInvoiceID',
-        'has_attachments' => 'HasAttachments',
-        'is_discounted' => 'IsDiscounted',
-        'payments' => 'Payments',
-        'prepayments' => 'Prepayments',
-        'overpayments' => 'Overpayments',
-        'amount_due' => 'AmountDue',
-        'amount_paid' => 'AmountPaid',
-        'fully_paid_on_date' => 'FullyPaidOnDate',
-        'amount_credited' => 'AmountCredited',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'credit_notes' => 'CreditNotes',
-        'attachments' => 'Attachments',
-        'has_errors' => 'HasErrors',
-        'status_attribute_string' => 'StatusAttributeString',
-        'validation_errors' => 'ValidationErrors',
-        'warnings' => 'Warnings'
+        'type' => 'Type''contact' => 'Contact''line_items' => 'LineItems''date' => 'Date''due_date' => 'DueDate''line_amount_types' => 'LineAmountTypes''invoice_number' => 'InvoiceNumber''reference' => 'Reference''branding_theme_id' => 'BrandingThemeID''url' => 'Url''currency_code' => 'CurrencyCode''currency_rate' => 'CurrencyRate''status' => 'Status''sent_to_contact' => 'SentToContact''expected_payment_date' => 'ExpectedPaymentDate''planned_payment_date' => 'PlannedPaymentDate''cis_deduction' => 'CISDeduction''cis_rate' => 'CISRate''sub_total' => 'SubTotal''total_tax' => 'TotalTax''total' => 'Total''total_discount' => 'TotalDiscount''invoice_id' => 'InvoiceID''repeating_invoice_id' => 'RepeatingInvoiceID''has_attachments' => 'HasAttachments''is_discounted' => 'IsDiscounted''payments' => 'Payments''prepayments' => 'Prepayments''overpayments' => 'Overpayments''amount_due' => 'AmountDue''amount_paid' => 'AmountPaid''fully_paid_on_date' => 'FullyPaidOnDate''amount_credited' => 'AmountCredited''updated_date_utc' => 'UpdatedDateUTC''credit_notes' => 'CreditNotes''attachments' => 'Attachments''has_errors' => 'HasErrors''status_attribute_string' => 'StatusAttributeString''validation_errors' => 'ValidationErrors''warnings' => 'Warnings'
     ];
 
     /**
@@ -221,46 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'type' => 'setType',
-        'contact' => 'setContact',
-        'line_items' => 'setLineItems',
-        'date' => 'setDate',
-        'due_date' => 'setDueDate',
-        'line_amount_types' => 'setLineAmountTypes',
-        'invoice_number' => 'setInvoiceNumber',
-        'reference' => 'setReference',
-        'branding_theme_id' => 'setBrandingThemeId',
-        'url' => 'setUrl',
-        'currency_code' => 'setCurrencyCode',
-        'currency_rate' => 'setCurrencyRate',
-        'status' => 'setStatus',
-        'sent_to_contact' => 'setSentToContact',
-        'expected_payment_date' => 'setExpectedPaymentDate',
-        'planned_payment_date' => 'setPlannedPaymentDate',
-        'cis_deduction' => 'setCisDeduction',
-        'cis_rate' => 'setCisRate',
-        'sub_total' => 'setSubTotal',
-        'total_tax' => 'setTotalTax',
-        'total' => 'setTotal',
-        'total_discount' => 'setTotalDiscount',
-        'invoice_id' => 'setInvoiceId',
-        'repeating_invoice_id' => 'setRepeatingInvoiceId',
-        'has_attachments' => 'setHasAttachments',
-        'is_discounted' => 'setIsDiscounted',
-        'payments' => 'setPayments',
-        'prepayments' => 'setPrepayments',
-        'overpayments' => 'setOverpayments',
-        'amount_due' => 'setAmountDue',
-        'amount_paid' => 'setAmountPaid',
-        'fully_paid_on_date' => 'setFullyPaidOnDate',
-        'amount_credited' => 'setAmountCredited',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'credit_notes' => 'setCreditNotes',
-        'attachments' => 'setAttachments',
-        'has_errors' => 'setHasErrors',
-        'status_attribute_string' => 'setStatusAttributeString',
-        'validation_errors' => 'setValidationErrors',
-        'warnings' => 'setWarnings'
+        'type' => 'setType''contact' => 'setContact''line_items' => 'setLineItems''date' => 'setDate''due_date' => 'setDueDate''line_amount_types' => 'setLineAmountTypes''invoice_number' => 'setInvoiceNumber''reference' => 'setReference''branding_theme_id' => 'setBrandingThemeId''url' => 'setUrl''currency_code' => 'setCurrencyCode''currency_rate' => 'setCurrencyRate''status' => 'setStatus''sent_to_contact' => 'setSentToContact''expected_payment_date' => 'setExpectedPaymentDate''planned_payment_date' => 'setPlannedPaymentDate''cis_deduction' => 'setCisDeduction''cis_rate' => 'setCisRate''sub_total' => 'setSubTotal''total_tax' => 'setTotalTax''total' => 'setTotal''total_discount' => 'setTotalDiscount''invoice_id' => 'setInvoiceId''repeating_invoice_id' => 'setRepeatingInvoiceId''has_attachments' => 'setHasAttachments''is_discounted' => 'setIsDiscounted''payments' => 'setPayments''prepayments' => 'setPrepayments''overpayments' => 'setOverpayments''amount_due' => 'setAmountDue''amount_paid' => 'setAmountPaid''fully_paid_on_date' => 'setFullyPaidOnDate''amount_credited' => 'setAmountCredited''updated_date_utc' => 'setUpdatedDateUtc''credit_notes' => 'setCreditNotes''attachments' => 'setAttachments''has_errors' => 'setHasErrors''status_attribute_string' => 'setStatusAttributeString''validation_errors' => 'setValidationErrors''warnings' => 'setWarnings'
     ];
 
     /**
@@ -269,46 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'type' => 'getType',
-        'contact' => 'getContact',
-        'line_items' => 'getLineItems',
-        'date' => 'getDate',
-        'due_date' => 'getDueDate',
-        'line_amount_types' => 'getLineAmountTypes',
-        'invoice_number' => 'getInvoiceNumber',
-        'reference' => 'getReference',
-        'branding_theme_id' => 'getBrandingThemeId',
-        'url' => 'getUrl',
-        'currency_code' => 'getCurrencyCode',
-        'currency_rate' => 'getCurrencyRate',
-        'status' => 'getStatus',
-        'sent_to_contact' => 'getSentToContact',
-        'expected_payment_date' => 'getExpectedPaymentDate',
-        'planned_payment_date' => 'getPlannedPaymentDate',
-        'cis_deduction' => 'getCisDeduction',
-        'cis_rate' => 'getCisRate',
-        'sub_total' => 'getSubTotal',
-        'total_tax' => 'getTotalTax',
-        'total' => 'getTotal',
-        'total_discount' => 'getTotalDiscount',
-        'invoice_id' => 'getInvoiceId',
-        'repeating_invoice_id' => 'getRepeatingInvoiceId',
-        'has_attachments' => 'getHasAttachments',
-        'is_discounted' => 'getIsDiscounted',
-        'payments' => 'getPayments',
-        'prepayments' => 'getPrepayments',
-        'overpayments' => 'getOverpayments',
-        'amount_due' => 'getAmountDue',
-        'amount_paid' => 'getAmountPaid',
-        'fully_paid_on_date' => 'getFullyPaidOnDate',
-        'amount_credited' => 'getAmountCredited',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'credit_notes' => 'getCreditNotes',
-        'attachments' => 'getAttachments',
-        'has_errors' => 'getHasErrors',
-        'status_attribute_string' => 'getStatusAttributeString',
-        'validation_errors' => 'getValidationErrors',
-        'warnings' => 'getWarnings'
+        'type' => 'getType''contact' => 'getContact''line_items' => 'getLineItems''date' => 'getDate''due_date' => 'getDueDate''line_amount_types' => 'getLineAmountTypes''invoice_number' => 'getInvoiceNumber''reference' => 'getReference''branding_theme_id' => 'getBrandingThemeId''url' => 'getUrl''currency_code' => 'getCurrencyCode''currency_rate' => 'getCurrencyRate''status' => 'getStatus''sent_to_contact' => 'getSentToContact''expected_payment_date' => 'getExpectedPaymentDate''planned_payment_date' => 'getPlannedPaymentDate''cis_deduction' => 'getCisDeduction''cis_rate' => 'getCisRate''sub_total' => 'getSubTotal''total_tax' => 'getTotalTax''total' => 'getTotal''total_discount' => 'getTotalDiscount''invoice_id' => 'getInvoiceId''repeating_invoice_id' => 'getRepeatingInvoiceId''has_attachments' => 'getHasAttachments''is_discounted' => 'getIsDiscounted''payments' => 'getPayments''prepayments' => 'getPrepayments''overpayments' => 'getOverpayments''amount_due' => 'getAmountDue''amount_paid' => 'getAmountPaid''fully_paid_on_date' => 'getFullyPaidOnDate''amount_credited' => 'getAmountCredited''updated_date_utc' => 'getUpdatedDateUtc''credit_notes' => 'getCreditNotes''attachments' => 'getAttachments''has_errors' => 'getHasErrors''status_attribute_string' => 'getStatusAttributeString''validation_errors' => 'getValidationErrors''warnings' => 'getWarnings'
     ];
 
     /**
@@ -1718,6 +1525,7 @@ public function setWarnings($warnings)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1730,6 +1538,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1743,6 +1552,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1759,6 +1569,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/InvoiceReminder.php b/lib/Models/Accounting/InvoiceReminder.php
index 80161628..e0441605 100644
--- a/lib/Models/Accounting/InvoiceReminder.php
+++ b/lib/Models/Accounting/InvoiceReminder.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * InvoiceReminder Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setEnabled($enabled)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/InvoiceReminders.php b/lib/Models/Accounting/InvoiceReminders.php
index 3732b56c..baa5a362 100644
--- a/lib/Models/Accounting/InvoiceReminders.php
+++ b/lib/Models/Accounting/InvoiceReminders.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * InvoiceReminders Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setInvoiceReminders($invoice_reminders)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['invoice_reminders'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['invoice_reminders'][$offset]) ? $this->container['invoice_reminders'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['invoice_reminders'][$offset]);
diff --git a/lib/Models/Accounting/Invoices.php b/lib/Models/Accounting/Invoices.php
index 2d4d41f4..48702aed 100644
--- a/lib/Models/Accounting/Invoices.php
+++ b/lib/Models/Accounting/Invoices.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Invoices Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setInvoices($invoices)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['invoices'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['invoices'][$offset]) ? $this->container['invoices'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['invoices'][$offset]);
diff --git a/lib/Models/Accounting/Item.php b/lib/Models/Accounting/Item.php
index 74fa1edd..8dfea1f1 100644
--- a/lib/Models/Accounting/Item.php
+++ b/lib/Models/Accounting/Item.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Item Class Doc Comment
  *
@@ -56,22 +58,7 @@ class Item implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'code' => 'string',
-        'inventory_asset_account_code' => 'string',
-        'name' => 'string',
-        'is_sold' => 'bool',
-        'is_purchased' => 'bool',
-        'description' => 'string',
-        'purchase_description' => 'string',
-        'purchase_details' => '\XeroAPI\XeroPHP\Models\Accounting\Purchase',
-        'sales_details' => '\XeroAPI\XeroPHP\Models\Accounting\Purchase',
-        'is_tracked_as_inventory' => 'bool',
-        'total_cost_pool' => 'double',
-        'quantity_on_hand' => 'double',
-        'updated_date_utc' => 'string',
-        'item_id' => 'string',
-        'status_attribute_string' => 'string',
-        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
+        'code' => 'string''inventory_asset_account_code' => 'string''name' => 'string''is_sold' => 'bool''is_purchased' => 'bool''description' => 'string''purchase_description' => 'string''purchase_details' => '\XeroAPI\XeroPHP\Models\Accounting\Purchase''sales_details' => '\XeroAPI\XeroPHP\Models\Accounting\Purchase''is_tracked_as_inventory' => 'bool''total_cost_pool' => 'double''quantity_on_hand' => 'double''updated_date_utc' => 'string''item_id' => 'string''status_attribute_string' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
     ];
 
     /**
@@ -80,22 +67,7 @@ class Item implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'code' => null,
-        'inventory_asset_account_code' => null,
-        'name' => null,
-        'is_sold' => null,
-        'is_purchased' => null,
-        'description' => null,
-        'purchase_description' => null,
-        'purchase_details' => null,
-        'sales_details' => null,
-        'is_tracked_as_inventory' => null,
-        'total_cost_pool' => 'double',
-        'quantity_on_hand' => 'double',
-        'updated_date_utc' => null,
-        'item_id' => 'uuid',
-        'status_attribute_string' => null,
-        'validation_errors' => null
+        'code' => null'inventory_asset_account_code' => null'name' => null'is_sold' => null'is_purchased' => null'description' => null'purchase_description' => null'purchase_details' => null'sales_details' => null'is_tracked_as_inventory' => null'total_cost_pool' => 'double''quantity_on_hand' => 'double''updated_date_utc' => null'item_id' => 'uuid''status_attribute_string' => null'validation_errors' => null
     ];
 
     /**
@@ -125,22 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'code' => 'Code',
-        'inventory_asset_account_code' => 'InventoryAssetAccountCode',
-        'name' => 'Name',
-        'is_sold' => 'IsSold',
-        'is_purchased' => 'IsPurchased',
-        'description' => 'Description',
-        'purchase_description' => 'PurchaseDescription',
-        'purchase_details' => 'PurchaseDetails',
-        'sales_details' => 'SalesDetails',
-        'is_tracked_as_inventory' => 'IsTrackedAsInventory',
-        'total_cost_pool' => 'TotalCostPool',
-        'quantity_on_hand' => 'QuantityOnHand',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'item_id' => 'ItemID',
-        'status_attribute_string' => 'StatusAttributeString',
-        'validation_errors' => 'ValidationErrors'
+        'code' => 'Code''inventory_asset_account_code' => 'InventoryAssetAccountCode''name' => 'Name''is_sold' => 'IsSold''is_purchased' => 'IsPurchased''description' => 'Description''purchase_description' => 'PurchaseDescription''purchase_details' => 'PurchaseDetails''sales_details' => 'SalesDetails''is_tracked_as_inventory' => 'IsTrackedAsInventory''total_cost_pool' => 'TotalCostPool''quantity_on_hand' => 'QuantityOnHand''updated_date_utc' => 'UpdatedDateUTC''item_id' => 'ItemID''status_attribute_string' => 'StatusAttributeString''validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -149,22 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'code' => 'setCode',
-        'inventory_asset_account_code' => 'setInventoryAssetAccountCode',
-        'name' => 'setName',
-        'is_sold' => 'setIsSold',
-        'is_purchased' => 'setIsPurchased',
-        'description' => 'setDescription',
-        'purchase_description' => 'setPurchaseDescription',
-        'purchase_details' => 'setPurchaseDetails',
-        'sales_details' => 'setSalesDetails',
-        'is_tracked_as_inventory' => 'setIsTrackedAsInventory',
-        'total_cost_pool' => 'setTotalCostPool',
-        'quantity_on_hand' => 'setQuantityOnHand',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'item_id' => 'setItemId',
-        'status_attribute_string' => 'setStatusAttributeString',
-        'validation_errors' => 'setValidationErrors'
+        'code' => 'setCode''inventory_asset_account_code' => 'setInventoryAssetAccountCode''name' => 'setName''is_sold' => 'setIsSold''is_purchased' => 'setIsPurchased''description' => 'setDescription''purchase_description' => 'setPurchaseDescription''purchase_details' => 'setPurchaseDetails''sales_details' => 'setSalesDetails''is_tracked_as_inventory' => 'setIsTrackedAsInventory''total_cost_pool' => 'setTotalCostPool''quantity_on_hand' => 'setQuantityOnHand''updated_date_utc' => 'setUpdatedDateUtc''item_id' => 'setItemId''status_attribute_string' => 'setStatusAttributeString''validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -173,22 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'code' => 'getCode',
-        'inventory_asset_account_code' => 'getInventoryAssetAccountCode',
-        'name' => 'getName',
-        'is_sold' => 'getIsSold',
-        'is_purchased' => 'getIsPurchased',
-        'description' => 'getDescription',
-        'purchase_description' => 'getPurchaseDescription',
-        'purchase_details' => 'getPurchaseDetails',
-        'sales_details' => 'getSalesDetails',
-        'is_tracked_as_inventory' => 'getIsTrackedAsInventory',
-        'total_cost_pool' => 'getTotalCostPool',
-        'quantity_on_hand' => 'getQuantityOnHand',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'item_id' => 'getItemId',
-        'status_attribute_string' => 'getStatusAttributeString',
-        'validation_errors' => 'getValidationErrors'
+        'code' => 'getCode''inventory_asset_account_code' => 'getInventoryAssetAccountCode''name' => 'getName''is_sold' => 'getIsSold''is_purchased' => 'getIsPurchased''description' => 'getDescription''purchase_description' => 'getPurchaseDescription''purchase_details' => 'getPurchaseDetails''sales_details' => 'getSalesDetails''is_tracked_as_inventory' => 'getIsTrackedAsInventory''total_cost_pool' => 'getTotalCostPool''quantity_on_hand' => 'getQuantityOnHand''updated_date_utc' => 'getUpdatedDateUtc''item_id' => 'getItemId''status_attribute_string' => 'getStatusAttributeString''validation_errors' => 'getValidationErrors'
     ];
 
     /**
@@ -773,6 +700,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -785,6 +713,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -798,6 +727,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -814,6 +744,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Items.php b/lib/Models/Accounting/Items.php
index efc09941..e8cf97ef 100644
--- a/lib/Models/Accounting/Items.php
+++ b/lib/Models/Accounting/Items.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Items Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setItems($items)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['items'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['items'][$offset]) ? $this->container['items'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['items'][$offset]);
diff --git a/lib/Models/Accounting/Journal.php b/lib/Models/Accounting/Journal.php
index 814f480b..88f24b04 100644
--- a/lib/Models/Accounting/Journal.php
+++ b/lib/Models/Accounting/Journal.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Journal Class Doc Comment
  *
@@ -56,14 +58,7 @@ class Journal implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'journal_id' => 'string',
-        'journal_date' => 'string',
-        'journal_number' => 'int',
-        'created_date_utc' => 'string',
-        'reference' => 'string',
-        'source_id' => 'string',
-        'source_type' => 'string',
-        'journal_lines' => '\XeroAPI\XeroPHP\Models\Accounting\JournalLine[]'
+        'journal_id' => 'string''journal_date' => 'string''journal_number' => 'int''created_date_utc' => 'string''reference' => 'string''source_id' => 'string''source_type' => 'string''journal_lines' => '\XeroAPI\XeroPHP\Models\Accounting\JournalLine[]'
     ];
 
     /**
@@ -72,14 +67,7 @@ class Journal implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'journal_id' => 'uuid',
-        'journal_date' => null,
-        'journal_number' => null,
-        'created_date_utc' => null,
-        'reference' => null,
-        'source_id' => 'uuid',
-        'source_type' => null,
-        'journal_lines' => null
+        'journal_id' => 'uuid''journal_date' => null'journal_number' => null'created_date_utc' => null'reference' => null'source_id' => 'uuid''source_type' => null'journal_lines' => null
     ];
 
     /**
@@ -109,14 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'journal_id' => 'JournalID',
-        'journal_date' => 'JournalDate',
-        'journal_number' => 'JournalNumber',
-        'created_date_utc' => 'CreatedDateUTC',
-        'reference' => 'Reference',
-        'source_id' => 'SourceID',
-        'source_type' => 'SourceType',
-        'journal_lines' => 'JournalLines'
+        'journal_id' => 'JournalID''journal_date' => 'JournalDate''journal_number' => 'JournalNumber''created_date_utc' => 'CreatedDateUTC''reference' => 'Reference''source_id' => 'SourceID''source_type' => 'SourceType''journal_lines' => 'JournalLines'
     ];
 
     /**
@@ -125,14 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'journal_id' => 'setJournalId',
-        'journal_date' => 'setJournalDate',
-        'journal_number' => 'setJournalNumber',
-        'created_date_utc' => 'setCreatedDateUtc',
-        'reference' => 'setReference',
-        'source_id' => 'setSourceId',
-        'source_type' => 'setSourceType',
-        'journal_lines' => 'setJournalLines'
+        'journal_id' => 'setJournalId''journal_date' => 'setJournalDate''journal_number' => 'setJournalNumber''created_date_utc' => 'setCreatedDateUtc''reference' => 'setReference''source_id' => 'setSourceId''source_type' => 'setSourceType''journal_lines' => 'setJournalLines'
     ];
 
     /**
@@ -141,14 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'journal_id' => 'getJournalId',
-        'journal_date' => 'getJournalDate',
-        'journal_number' => 'getJournalNumber',
-        'created_date_utc' => 'getCreatedDateUtc',
-        'reference' => 'getReference',
-        'source_id' => 'getSourceId',
-        'source_type' => 'getSourceType',
-        'journal_lines' => 'getJournalLines'
+        'journal_id' => 'getJournalId''journal_date' => 'getJournalDate''journal_number' => 'getJournalNumber''created_date_utc' => 'getCreatedDateUtc''reference' => 'getReference''source_id' => 'getSourceId''source_type' => 'getSourceType''journal_lines' => 'getJournalLines'
     ];
 
     /**
@@ -578,6 +545,7 @@ public function setJournalLines($journal_lines)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -590,6 +558,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -603,6 +572,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -619,6 +589,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/JournalLine.php b/lib/Models/Accounting/JournalLine.php
index 8d651aaa..280d64d8 100644
--- a/lib/Models/Accounting/JournalLine.php
+++ b/lib/Models/Accounting/JournalLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * JournalLine Class Doc Comment
  *
@@ -56,18 +58,7 @@ class JournalLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'journal_line_id' => 'string',
-        'account_id' => 'string',
-        'account_code' => 'string',
-        'account_type' => '\XeroAPI\XeroPHP\Models\Accounting\AccountType',
-        'account_name' => 'string',
-        'description' => 'string',
-        'net_amount' => 'double',
-        'gross_amount' => 'double',
-        'tax_amount' => 'double',
-        'tax_type' => 'string',
-        'tax_name' => 'string',
-        'tracking_categories' => '\XeroAPI\XeroPHP\Models\Accounting\TrackingCategory[]'
+        'journal_line_id' => 'string''account_id' => 'string''account_code' => 'string''account_type' => '\XeroAPI\XeroPHP\Models\Accounting\AccountType''account_name' => 'string''description' => 'string''net_amount' => 'double''gross_amount' => 'double''tax_amount' => 'double''tax_type' => 'string''tax_name' => 'string''tracking_categories' => '\XeroAPI\XeroPHP\Models\Accounting\TrackingCategory[]'
     ];
 
     /**
@@ -76,18 +67,7 @@ class JournalLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'journal_line_id' => 'uuid',
-        'account_id' => 'uuid',
-        'account_code' => null,
-        'account_type' => null,
-        'account_name' => null,
-        'description' => null,
-        'net_amount' => 'double',
-        'gross_amount' => 'double',
-        'tax_amount' => 'double',
-        'tax_type' => null,
-        'tax_name' => null,
-        'tracking_categories' => null
+        'journal_line_id' => 'uuid''account_id' => 'uuid''account_code' => null'account_type' => null'account_name' => null'description' => null'net_amount' => 'double''gross_amount' => 'double''tax_amount' => 'double''tax_type' => null'tax_name' => null'tracking_categories' => null
     ];
 
     /**
@@ -117,18 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'journal_line_id' => 'JournalLineID',
-        'account_id' => 'AccountID',
-        'account_code' => 'AccountCode',
-        'account_type' => 'AccountType',
-        'account_name' => 'AccountName',
-        'description' => 'Description',
-        'net_amount' => 'NetAmount',
-        'gross_amount' => 'GrossAmount',
-        'tax_amount' => 'TaxAmount',
-        'tax_type' => 'TaxType',
-        'tax_name' => 'TaxName',
-        'tracking_categories' => 'TrackingCategories'
+        'journal_line_id' => 'JournalLineID''account_id' => 'AccountID''account_code' => 'AccountCode''account_type' => 'AccountType''account_name' => 'AccountName''description' => 'Description''net_amount' => 'NetAmount''gross_amount' => 'GrossAmount''tax_amount' => 'TaxAmount''tax_type' => 'TaxType''tax_name' => 'TaxName''tracking_categories' => 'TrackingCategories'
     ];
 
     /**
@@ -137,18 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'journal_line_id' => 'setJournalLineId',
-        'account_id' => 'setAccountId',
-        'account_code' => 'setAccountCode',
-        'account_type' => 'setAccountType',
-        'account_name' => 'setAccountName',
-        'description' => 'setDescription',
-        'net_amount' => 'setNetAmount',
-        'gross_amount' => 'setGrossAmount',
-        'tax_amount' => 'setTaxAmount',
-        'tax_type' => 'setTaxType',
-        'tax_name' => 'setTaxName',
-        'tracking_categories' => 'setTrackingCategories'
+        'journal_line_id' => 'setJournalLineId''account_id' => 'setAccountId''account_code' => 'setAccountCode''account_type' => 'setAccountType''account_name' => 'setAccountName''description' => 'setDescription''net_amount' => 'setNetAmount''gross_amount' => 'setGrossAmount''tax_amount' => 'setTaxAmount''tax_type' => 'setTaxType''tax_name' => 'setTaxName''tracking_categories' => 'setTrackingCategories'
     ];
 
     /**
@@ -157,18 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'journal_line_id' => 'getJournalLineId',
-        'account_id' => 'getAccountId',
-        'account_code' => 'getAccountCode',
-        'account_type' => 'getAccountType',
-        'account_name' => 'getAccountName',
-        'description' => 'getDescription',
-        'net_amount' => 'getNetAmount',
-        'gross_amount' => 'getGrossAmount',
-        'tax_amount' => 'getTaxAmount',
-        'tax_type' => 'getTaxType',
-        'tax_name' => 'getTaxName',
-        'tracking_categories' => 'getTrackingCategories'
+        'journal_line_id' => 'getJournalLineId''account_id' => 'getAccountId''account_code' => 'getAccountCode''account_type' => 'getAccountType''account_name' => 'getAccountName''description' => 'getDescription''net_amount' => 'getNetAmount''gross_amount' => 'getGrossAmount''tax_amount' => 'getTaxAmount''tax_type' => 'getTaxType''tax_name' => 'getTaxName''tracking_categories' => 'getTrackingCategories'
     ];
 
     /**
@@ -598,6 +545,7 @@ public function setTrackingCategories($tracking_categories)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -610,6 +558,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -623,6 +572,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -639,6 +589,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Journals.php b/lib/Models/Accounting/Journals.php
index 94d2bfcb..92e47a56 100644
--- a/lib/Models/Accounting/Journals.php
+++ b/lib/Models/Accounting/Journals.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Journals Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setJournals($journals)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['journals'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['journals'][$offset]) ? $this->container['journals'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['journals'][$offset]);
diff --git a/lib/Models/Accounting/LineAmountTypes.php b/lib/Models/Accounting/LineAmountTypes.php
index a14a7de5..6cabc67c 100644
--- a/lib/Models/Accounting/LineAmountTypes.php
+++ b/lib/Models/Accounting/LineAmountTypes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\Accounting;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LineAmountTypes Class Doc Comment
  *
diff --git a/lib/Models/Accounting/LineItem.php b/lib/Models/Accounting/LineItem.php
index 66b408e4..ebc57e08 100644
--- a/lib/Models/Accounting/LineItem.php
+++ b/lib/Models/Accounting/LineItem.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LineItem Class Doc Comment
  *
@@ -56,21 +58,7 @@ class LineItem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'line_item_id' => 'string',
-        'description' => 'string',
-        'quantity' => 'double',
-        'unit_amount' => 'double',
-        'item_code' => 'string',
-        'account_code' => 'string',
-        'account_id' => 'string',
-        'tax_type' => 'string',
-        'tax_amount' => 'double',
-        'item' => '\XeroAPI\XeroPHP\Models\Accounting\LineItemItem',
-        'line_amount' => 'double',
-        'tracking' => '\XeroAPI\XeroPHP\Models\Accounting\LineItemTracking[]',
-        'discount_rate' => 'double',
-        'discount_amount' => 'double',
-        'repeating_invoice_id' => 'string'
+        'line_item_id' => 'string''description' => 'string''quantity' => 'double''unit_amount' => 'double''item_code' => 'string''account_code' => 'string''account_id' => 'string''tax_type' => 'string''tax_amount' => 'double''item' => '\XeroAPI\XeroPHP\Models\Accounting\LineItemItem''line_amount' => 'double''tracking' => '\XeroAPI\XeroPHP\Models\Accounting\LineItemTracking[]''discount_rate' => 'double''discount_amount' => 'double''repeating_invoice_id' => 'string'
     ];
 
     /**
@@ -79,21 +67,7 @@ class LineItem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'line_item_id' => 'uuid',
-        'description' => null,
-        'quantity' => 'double',
-        'unit_amount' => 'double',
-        'item_code' => null,
-        'account_code' => null,
-        'account_id' => 'uuid',
-        'tax_type' => null,
-        'tax_amount' => 'double',
-        'item' => null,
-        'line_amount' => 'double',
-        'tracking' => null,
-        'discount_rate' => 'double',
-        'discount_amount' => 'double',
-        'repeating_invoice_id' => 'uuid'
+        'line_item_id' => 'uuid''description' => null'quantity' => 'double''unit_amount' => 'double''item_code' => null'account_code' => null'account_id' => 'uuid''tax_type' => null'tax_amount' => 'double''item' => null'line_amount' => 'double''tracking' => null'discount_rate' => 'double''discount_amount' => 'double''repeating_invoice_id' => 'uuid'
     ];
 
     /**
@@ -123,21 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'line_item_id' => 'LineItemID',
-        'description' => 'Description',
-        'quantity' => 'Quantity',
-        'unit_amount' => 'UnitAmount',
-        'item_code' => 'ItemCode',
-        'account_code' => 'AccountCode',
-        'account_id' => 'AccountID',
-        'tax_type' => 'TaxType',
-        'tax_amount' => 'TaxAmount',
-        'item' => 'Item',
-        'line_amount' => 'LineAmount',
-        'tracking' => 'Tracking',
-        'discount_rate' => 'DiscountRate',
-        'discount_amount' => 'DiscountAmount',
-        'repeating_invoice_id' => 'RepeatingInvoiceID'
+        'line_item_id' => 'LineItemID''description' => 'Description''quantity' => 'Quantity''unit_amount' => 'UnitAmount''item_code' => 'ItemCode''account_code' => 'AccountCode''account_id' => 'AccountID''tax_type' => 'TaxType''tax_amount' => 'TaxAmount''item' => 'Item''line_amount' => 'LineAmount''tracking' => 'Tracking''discount_rate' => 'DiscountRate''discount_amount' => 'DiscountAmount''repeating_invoice_id' => 'RepeatingInvoiceID'
     ];
 
     /**
@@ -146,21 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'line_item_id' => 'setLineItemId',
-        'description' => 'setDescription',
-        'quantity' => 'setQuantity',
-        'unit_amount' => 'setUnitAmount',
-        'item_code' => 'setItemCode',
-        'account_code' => 'setAccountCode',
-        'account_id' => 'setAccountId',
-        'tax_type' => 'setTaxType',
-        'tax_amount' => 'setTaxAmount',
-        'item' => 'setItem',
-        'line_amount' => 'setLineAmount',
-        'tracking' => 'setTracking',
-        'discount_rate' => 'setDiscountRate',
-        'discount_amount' => 'setDiscountAmount',
-        'repeating_invoice_id' => 'setRepeatingInvoiceId'
+        'line_item_id' => 'setLineItemId''description' => 'setDescription''quantity' => 'setQuantity''unit_amount' => 'setUnitAmount''item_code' => 'setItemCode''account_code' => 'setAccountCode''account_id' => 'setAccountId''tax_type' => 'setTaxType''tax_amount' => 'setTaxAmount''item' => 'setItem''line_amount' => 'setLineAmount''tracking' => 'setTracking''discount_rate' => 'setDiscountRate''discount_amount' => 'setDiscountAmount''repeating_invoice_id' => 'setRepeatingInvoiceId'
     ];
 
     /**
@@ -169,21 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'line_item_id' => 'getLineItemId',
-        'description' => 'getDescription',
-        'quantity' => 'getQuantity',
-        'unit_amount' => 'getUnitAmount',
-        'item_code' => 'getItemCode',
-        'account_code' => 'getAccountCode',
-        'account_id' => 'getAccountId',
-        'tax_type' => 'getTaxType',
-        'tax_amount' => 'getTaxAmount',
-        'item' => 'getItem',
-        'line_amount' => 'getLineAmount',
-        'tracking' => 'getTracking',
-        'discount_rate' => 'getDiscountRate',
-        'discount_amount' => 'getDiscountAmount',
-        'repeating_invoice_id' => 'getRepeatingInvoiceId'
+        'line_item_id' => 'getLineItemId''description' => 'getDescription''quantity' => 'getQuantity''unit_amount' => 'getUnitAmount''item_code' => 'getItemCode''account_code' => 'getAccountCode''account_id' => 'getAccountId''tax_type' => 'getTaxType''tax_amount' => 'getTaxAmount''item' => 'getItem''line_amount' => 'getLineAmount''tracking' => 'getTracking''discount_rate' => 'getDiscountRate''discount_amount' => 'getDiscountAmount''repeating_invoice_id' => 'getRepeatingInvoiceId'
     ];
 
     /**
@@ -698,6 +630,7 @@ public function setRepeatingInvoiceId($repeating_invoice_id)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -710,6 +643,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -723,6 +657,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -739,6 +674,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/LineItemItem.php b/lib/Models/Accounting/LineItemItem.php
index cb68257b..17455b0d 100644
--- a/lib/Models/Accounting/LineItemItem.php
+++ b/lib/Models/Accounting/LineItemItem.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LineItemItem Class Doc Comment
  *
@@ -56,9 +58,7 @@ class LineItemItem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'code' => 'string',
-        'name' => 'string',
-        'item_id' => 'string'
+        'code' => 'string''name' => 'string''item_id' => 'string'
     ];
 
     /**
@@ -67,9 +67,7 @@ class LineItemItem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'code' => null,
-        'name' => null,
-        'item_id' => 'uuid'
+        'code' => null'name' => null'item_id' => 'uuid'
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'code' => 'Code',
-        'name' => 'Name',
-        'item_id' => 'ItemID'
+        'code' => 'Code''name' => 'Name''item_id' => 'ItemID'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'code' => 'setCode',
-        'name' => 'setName',
-        'item_id' => 'setItemId'
+        'code' => 'setCode''name' => 'setName''item_id' => 'setItemId'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'code' => 'getCode',
-        'name' => 'getName',
-        'item_id' => 'getItemId'
+        'code' => 'getCode''name' => 'getName''item_id' => 'getItemId'
     ];
 
     /**
@@ -318,6 +310,7 @@ public function setItemId($item_id)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -330,6 +323,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -343,6 +337,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -359,6 +354,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/LineItemTracking.php b/lib/Models/Accounting/LineItemTracking.php
index c13fcf5b..3469ce01 100644
--- a/lib/Models/Accounting/LineItemTracking.php
+++ b/lib/Models/Accounting/LineItemTracking.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LineItemTracking Class Doc Comment
  *
@@ -56,10 +58,7 @@ class LineItemTracking implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'tracking_category_id' => 'string',
-        'tracking_option_id' => 'string',
-        'name' => 'string',
-        'option' => 'string'
+        'tracking_category_id' => 'string''tracking_option_id' => 'string''name' => 'string''option' => 'string'
     ];
 
     /**
@@ -68,10 +67,7 @@ class LineItemTracking implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'tracking_category_id' => 'uuid',
-        'tracking_option_id' => 'uuid',
-        'name' => null,
-        'option' => null
+        'tracking_category_id' => 'uuid''tracking_option_id' => 'uuid''name' => null'option' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'tracking_category_id' => 'TrackingCategoryID',
-        'tracking_option_id' => 'TrackingOptionID',
-        'name' => 'Name',
-        'option' => 'Option'
+        'tracking_category_id' => 'TrackingCategoryID''tracking_option_id' => 'TrackingOptionID''name' => 'Name''option' => 'Option'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'tracking_category_id' => 'setTrackingCategoryId',
-        'tracking_option_id' => 'setTrackingOptionId',
-        'name' => 'setName',
-        'option' => 'setOption'
+        'tracking_category_id' => 'setTrackingCategoryId''tracking_option_id' => 'setTrackingOptionId''name' => 'setName''option' => 'setOption'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'tracking_category_id' => 'getTrackingCategoryId',
-        'tracking_option_id' => 'getTrackingOptionId',
-        'name' => 'getName',
-        'option' => 'getOption'
+        'tracking_category_id' => 'getTrackingCategoryId''tracking_option_id' => 'getTrackingOptionId''name' => 'getName''option' => 'getOption'
     ];
 
     /**
@@ -343,6 +330,7 @@ public function setOption($option)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -355,6 +343,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -368,6 +357,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -384,6 +374,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/LinkedTransaction.php b/lib/Models/Accounting/LinkedTransaction.php
index 541e1a5b..4d131e60 100644
--- a/lib/Models/Accounting/LinkedTransaction.php
+++ b/lib/Models/Accounting/LinkedTransaction.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LinkedTransaction Class Doc Comment
  *
@@ -56,17 +58,7 @@ class LinkedTransaction implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'source_transaction_id' => 'string',
-        'source_line_item_id' => 'string',
-        'contact_id' => 'string',
-        'target_transaction_id' => 'string',
-        'target_line_item_id' => 'string',
-        'linked_transaction_id' => 'string',
-        'status' => 'string',
-        'type' => 'string',
-        'updated_date_utc' => 'string',
-        'source_transaction_type_code' => 'string',
-        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
+        'source_transaction_id' => 'string''source_line_item_id' => 'string''contact_id' => 'string''target_transaction_id' => 'string''target_line_item_id' => 'string''linked_transaction_id' => 'string''status' => 'string''type' => 'string''updated_date_utc' => 'string''source_transaction_type_code' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
     ];
 
     /**
@@ -75,17 +67,7 @@ class LinkedTransaction implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'source_transaction_id' => 'uuid',
-        'source_line_item_id' => 'uuid',
-        'contact_id' => 'uuid',
-        'target_transaction_id' => 'uuid',
-        'target_line_item_id' => 'uuid',
-        'linked_transaction_id' => 'uuid',
-        'status' => null,
-        'type' => null,
-        'updated_date_utc' => null,
-        'source_transaction_type_code' => null,
-        'validation_errors' => null
+        'source_transaction_id' => 'uuid''source_line_item_id' => 'uuid''contact_id' => 'uuid''target_transaction_id' => 'uuid''target_line_item_id' => 'uuid''linked_transaction_id' => 'uuid''status' => null'type' => null'updated_date_utc' => null'source_transaction_type_code' => null'validation_errors' => null
     ];
 
     /**
@@ -115,17 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'source_transaction_id' => 'SourceTransactionID',
-        'source_line_item_id' => 'SourceLineItemID',
-        'contact_id' => 'ContactID',
-        'target_transaction_id' => 'TargetTransactionID',
-        'target_line_item_id' => 'TargetLineItemID',
-        'linked_transaction_id' => 'LinkedTransactionID',
-        'status' => 'Status',
-        'type' => 'Type',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'source_transaction_type_code' => 'SourceTransactionTypeCode',
-        'validation_errors' => 'ValidationErrors'
+        'source_transaction_id' => 'SourceTransactionID''source_line_item_id' => 'SourceLineItemID''contact_id' => 'ContactID''target_transaction_id' => 'TargetTransactionID''target_line_item_id' => 'TargetLineItemID''linked_transaction_id' => 'LinkedTransactionID''status' => 'Status''type' => 'Type''updated_date_utc' => 'UpdatedDateUTC''source_transaction_type_code' => 'SourceTransactionTypeCode''validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -134,17 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'source_transaction_id' => 'setSourceTransactionId',
-        'source_line_item_id' => 'setSourceLineItemId',
-        'contact_id' => 'setContactId',
-        'target_transaction_id' => 'setTargetTransactionId',
-        'target_line_item_id' => 'setTargetLineItemId',
-        'linked_transaction_id' => 'setLinkedTransactionId',
-        'status' => 'setStatus',
-        'type' => 'setType',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'source_transaction_type_code' => 'setSourceTransactionTypeCode',
-        'validation_errors' => 'setValidationErrors'
+        'source_transaction_id' => 'setSourceTransactionId''source_line_item_id' => 'setSourceLineItemId''contact_id' => 'setContactId''target_transaction_id' => 'setTargetTransactionId''target_line_item_id' => 'setTargetLineItemId''linked_transaction_id' => 'setLinkedTransactionId''status' => 'setStatus''type' => 'setType''updated_date_utc' => 'setUpdatedDateUtc''source_transaction_type_code' => 'setSourceTransactionTypeCode''validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -153,17 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'source_transaction_id' => 'getSourceTransactionId',
-        'source_line_item_id' => 'getSourceLineItemId',
-        'contact_id' => 'getContactId',
-        'target_transaction_id' => 'getTargetTransactionId',
-        'target_line_item_id' => 'getTargetLineItemId',
-        'linked_transaction_id' => 'getLinkedTransactionId',
-        'status' => 'getStatus',
-        'type' => 'getType',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'source_transaction_type_code' => 'getSourceTransactionTypeCode',
-        'validation_errors' => 'getValidationErrors'
+        'source_transaction_id' => 'getSourceTransactionId''source_line_item_id' => 'getSourceLineItemId''contact_id' => 'getContactId''target_transaction_id' => 'getTargetTransactionId''target_line_item_id' => 'getTargetLineItemId''linked_transaction_id' => 'getLinkedTransactionId''status' => 'getStatus''type' => 'getType''updated_date_utc' => 'getUpdatedDateUtc''source_transaction_type_code' => 'getSourceTransactionTypeCode''validation_errors' => 'getValidationErrors'
     ];
 
     /**
@@ -673,6 +625,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -685,6 +638,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -698,6 +652,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -714,6 +669,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/LinkedTransactions.php b/lib/Models/Accounting/LinkedTransactions.php
index 26f53fef..cde516ae 100644
--- a/lib/Models/Accounting/LinkedTransactions.php
+++ b/lib/Models/Accounting/LinkedTransactions.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LinkedTransactions Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setLinkedTransactions($linked_transactions)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['linked_transactions'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['linked_transactions'][$offset]) ? $this->container['linked_transactions'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['linked_transactions'][$offset]);
diff --git a/lib/Models/Accounting/ManualJournal.php b/lib/Models/Accounting/ManualJournal.php
index 36bf92fb..00ecb8d6 100644
--- a/lib/Models/Accounting/ManualJournal.php
+++ b/lib/Models/Accounting/ManualJournal.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ManualJournal Class Doc Comment
  *
@@ -56,20 +58,7 @@ class ManualJournal implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'narration' => 'string',
-        'journal_lines' => '\XeroAPI\XeroPHP\Models\Accounting\ManualJournalLine[]',
-        'date' => 'string',
-        'line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes',
-        'status' => 'string',
-        'url' => 'string',
-        'show_on_cash_basis_reports' => 'bool',
-        'has_attachments' => 'bool',
-        'updated_date_utc' => 'string',
-        'manual_journal_id' => 'string',
-        'status_attribute_string' => 'string',
-        'warnings' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]',
-        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]',
-        'attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]'
+        'narration' => 'string''journal_lines' => '\XeroAPI\XeroPHP\Models\Accounting\ManualJournalLine[]''date' => 'string''line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes''status' => 'string''url' => 'string''show_on_cash_basis_reports' => 'bool''has_attachments' => 'bool''updated_date_utc' => 'string''manual_journal_id' => 'string''status_attribute_string' => 'string''warnings' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]''attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]'
     ];
 
     /**
@@ -78,20 +67,7 @@ class ManualJournal implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'narration' => null,
-        'journal_lines' => null,
-        'date' => null,
-        'line_amount_types' => null,
-        'status' => null,
-        'url' => null,
-        'show_on_cash_basis_reports' => null,
-        'has_attachments' => null,
-        'updated_date_utc' => null,
-        'manual_journal_id' => 'uuid',
-        'status_attribute_string' => null,
-        'warnings' => null,
-        'validation_errors' => null,
-        'attachments' => null
+        'narration' => null'journal_lines' => null'date' => null'line_amount_types' => null'status' => null'url' => null'show_on_cash_basis_reports' => null'has_attachments' => null'updated_date_utc' => null'manual_journal_id' => 'uuid''status_attribute_string' => null'warnings' => null'validation_errors' => null'attachments' => null
     ];
 
     /**
@@ -121,20 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'narration' => 'Narration',
-        'journal_lines' => 'JournalLines',
-        'date' => 'Date',
-        'line_amount_types' => 'LineAmountTypes',
-        'status' => 'Status',
-        'url' => 'Url',
-        'show_on_cash_basis_reports' => 'ShowOnCashBasisReports',
-        'has_attachments' => 'HasAttachments',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'manual_journal_id' => 'ManualJournalID',
-        'status_attribute_string' => 'StatusAttributeString',
-        'warnings' => 'Warnings',
-        'validation_errors' => 'ValidationErrors',
-        'attachments' => 'Attachments'
+        'narration' => 'Narration''journal_lines' => 'JournalLines''date' => 'Date''line_amount_types' => 'LineAmountTypes''status' => 'Status''url' => 'Url''show_on_cash_basis_reports' => 'ShowOnCashBasisReports''has_attachments' => 'HasAttachments''updated_date_utc' => 'UpdatedDateUTC''manual_journal_id' => 'ManualJournalID''status_attribute_string' => 'StatusAttributeString''warnings' => 'Warnings''validation_errors' => 'ValidationErrors''attachments' => 'Attachments'
     ];
 
     /**
@@ -143,20 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'narration' => 'setNarration',
-        'journal_lines' => 'setJournalLines',
-        'date' => 'setDate',
-        'line_amount_types' => 'setLineAmountTypes',
-        'status' => 'setStatus',
-        'url' => 'setUrl',
-        'show_on_cash_basis_reports' => 'setShowOnCashBasisReports',
-        'has_attachments' => 'setHasAttachments',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'manual_journal_id' => 'setManualJournalId',
-        'status_attribute_string' => 'setStatusAttributeString',
-        'warnings' => 'setWarnings',
-        'validation_errors' => 'setValidationErrors',
-        'attachments' => 'setAttachments'
+        'narration' => 'setNarration''journal_lines' => 'setJournalLines''date' => 'setDate''line_amount_types' => 'setLineAmountTypes''status' => 'setStatus''url' => 'setUrl''show_on_cash_basis_reports' => 'setShowOnCashBasisReports''has_attachments' => 'setHasAttachments''updated_date_utc' => 'setUpdatedDateUtc''manual_journal_id' => 'setManualJournalId''status_attribute_string' => 'setStatusAttributeString''warnings' => 'setWarnings''validation_errors' => 'setValidationErrors''attachments' => 'setAttachments'
     ];
 
     /**
@@ -165,20 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'narration' => 'getNarration',
-        'journal_lines' => 'getJournalLines',
-        'date' => 'getDate',
-        'line_amount_types' => 'getLineAmountTypes',
-        'status' => 'getStatus',
-        'url' => 'getUrl',
-        'show_on_cash_basis_reports' => 'getShowOnCashBasisReports',
-        'has_attachments' => 'getHasAttachments',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'manual_journal_id' => 'getManualJournalId',
-        'status_attribute_string' => 'getStatusAttributeString',
-        'warnings' => 'getWarnings',
-        'validation_errors' => 'getValidationErrors',
-        'attachments' => 'getAttachments'
+        'narration' => 'getNarration''journal_lines' => 'getJournalLines''date' => 'getDate''line_amount_types' => 'getLineAmountTypes''status' => 'getStatus''url' => 'getUrl''show_on_cash_basis_reports' => 'getShowOnCashBasisReports''has_attachments' => 'getHasAttachments''updated_date_utc' => 'getUpdatedDateUtc''manual_journal_id' => 'getManualJournalId''status_attribute_string' => 'getStatusAttributeString''warnings' => 'getWarnings''validation_errors' => 'getValidationErrors''attachments' => 'getAttachments'
     ];
 
     /**
@@ -738,6 +675,7 @@ public function setAttachments($attachments)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -750,6 +688,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -763,6 +702,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -779,6 +719,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ManualJournalLine.php b/lib/Models/Accounting/ManualJournalLine.php
index 374048e8..574ea2eb 100644
--- a/lib/Models/Accounting/ManualJournalLine.php
+++ b/lib/Models/Accounting/ManualJournalLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ManualJournalLine Class Doc Comment
  *
@@ -56,14 +58,7 @@ class ManualJournalLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'line_amount' => 'double',
-        'account_code' => 'string',
-        'account_id' => 'string',
-        'description' => 'string',
-        'tax_type' => 'string',
-        'tracking' => '\XeroAPI\XeroPHP\Models\Accounting\TrackingCategory[]',
-        'tax_amount' => 'double',
-        'is_blank' => 'bool'
+        'line_amount' => 'double''account_code' => 'string''account_id' => 'string''description' => 'string''tax_type' => 'string''tracking' => '\XeroAPI\XeroPHP\Models\Accounting\TrackingCategory[]''tax_amount' => 'double''is_blank' => 'bool'
     ];
 
     /**
@@ -72,14 +67,7 @@ class ManualJournalLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'line_amount' => 'double',
-        'account_code' => null,
-        'account_id' => 'uuid',
-        'description' => null,
-        'tax_type' => null,
-        'tracking' => null,
-        'tax_amount' => 'double',
-        'is_blank' => null
+        'line_amount' => 'double''account_code' => null'account_id' => 'uuid''description' => null'tax_type' => null'tracking' => null'tax_amount' => 'double''is_blank' => null
     ];
 
     /**
@@ -109,14 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'line_amount' => 'LineAmount',
-        'account_code' => 'AccountCode',
-        'account_id' => 'AccountID',
-        'description' => 'Description',
-        'tax_type' => 'TaxType',
-        'tracking' => 'Tracking',
-        'tax_amount' => 'TaxAmount',
-        'is_blank' => 'IsBlank'
+        'line_amount' => 'LineAmount''account_code' => 'AccountCode''account_id' => 'AccountID''description' => 'Description''tax_type' => 'TaxType''tracking' => 'Tracking''tax_amount' => 'TaxAmount''is_blank' => 'IsBlank'
     ];
 
     /**
@@ -125,14 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'line_amount' => 'setLineAmount',
-        'account_code' => 'setAccountCode',
-        'account_id' => 'setAccountId',
-        'description' => 'setDescription',
-        'tax_type' => 'setTaxType',
-        'tracking' => 'setTracking',
-        'tax_amount' => 'setTaxAmount',
-        'is_blank' => 'setIsBlank'
+        'line_amount' => 'setLineAmount''account_code' => 'setAccountCode''account_id' => 'setAccountId''description' => 'setDescription''tax_type' => 'setTaxType''tracking' => 'setTracking''tax_amount' => 'setTaxAmount''is_blank' => 'setIsBlank'
     ];
 
     /**
@@ -141,14 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'line_amount' => 'getLineAmount',
-        'account_code' => 'getAccountCode',
-        'account_id' => 'getAccountId',
-        'description' => 'getDescription',
-        'tax_type' => 'getTaxType',
-        'tracking' => 'getTracking',
-        'tax_amount' => 'getTaxAmount',
-        'is_blank' => 'getIsBlank'
+        'line_amount' => 'getLineAmount''account_code' => 'getAccountCode''account_id' => 'getAccountId''description' => 'getDescription''tax_type' => 'getTaxType''tracking' => 'getTracking''tax_amount' => 'getTaxAmount''is_blank' => 'getIsBlank'
     ];
 
     /**
@@ -467,6 +434,7 @@ public function setIsBlank($is_blank)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -479,6 +447,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -492,6 +461,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -508,6 +478,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ManualJournals.php b/lib/Models/Accounting/ManualJournals.php
index c67dfcc5..e5957ec7 100644
--- a/lib/Models/Accounting/ManualJournals.php
+++ b/lib/Models/Accounting/ManualJournals.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ManualJournals Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setManualJournals($manual_journals)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['manual_journals'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['manual_journals'][$offset]) ? $this->container['manual_journals'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['manual_journals'][$offset]);
diff --git a/lib/Models/Accounting/ModelInterface.php b/lib/Models/Accounting/ModelInterface.php
index cc832174..873fcae6 100644
--- a/lib/Models/Accounting/ModelInterface.php
+++ b/lib/Models/Accounting/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/OnlineInvoice.php b/lib/Models/Accounting/OnlineInvoice.php
index 63d671ed..63ff227e 100644
--- a/lib/Models/Accounting/OnlineInvoice.php
+++ b/lib/Models/Accounting/OnlineInvoice.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * OnlineInvoice Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setOnlineInvoiceUrl($online_invoice_url)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/OnlineInvoices.php b/lib/Models/Accounting/OnlineInvoices.php
index e1848b53..23ea2740 100644
--- a/lib/Models/Accounting/OnlineInvoices.php
+++ b/lib/Models/Accounting/OnlineInvoices.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * OnlineInvoices Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setOnlineInvoices($online_invoices)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['online_invoices'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['online_invoices'][$offset]) ? $this->container['online_invoices'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['online_invoices'][$offset]);
diff --git a/lib/Models/Accounting/Organisation.php b/lib/Models/Accounting/Organisation.php
index 2b851553..08b4e610 100644
--- a/lib/Models/Accounting/Organisation.php
+++ b/lib/Models/Accounting/Organisation.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Organisation Class Doc Comment
  *
@@ -56,39 +58,7 @@ class Organisation implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'organisation_id' => 'string',
-        'api_key' => 'string',
-        'name' => 'string',
-        'legal_name' => 'string',
-        'pays_tax' => 'bool',
-        'version' => 'string',
-        'organisation_type' => 'string',
-        'base_currency' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode',
-        'country_code' => '\XeroAPI\XeroPHP\Models\Accounting\CountryCode',
-        'is_demo_company' => 'bool',
-        'organisation_status' => 'string',
-        'registration_number' => 'string',
-        'employer_identification_number' => 'string',
-        'tax_number' => 'string',
-        'financial_year_end_day' => 'int',
-        'financial_year_end_month' => 'int',
-        'sales_tax_basis' => 'string',
-        'sales_tax_period' => 'string',
-        'default_sales_tax' => 'string',
-        'default_purchases_tax' => 'string',
-        'period_lock_date' => 'string',
-        'end_of_year_lock_date' => 'string',
-        'created_date_utc' => 'string',
-        'timezone' => '\XeroAPI\XeroPHP\Models\Accounting\TimeZone',
-        'organisation_entity_type' => 'string',
-        'short_code' => 'string',
-        'class' => 'string',
-        'edition' => 'string',
-        'line_of_business' => 'string',
-        'addresses' => '\XeroAPI\XeroPHP\Models\Accounting\AddressForOrganisation[]',
-        'phones' => '\XeroAPI\XeroPHP\Models\Accounting\Phone[]',
-        'external_links' => '\XeroAPI\XeroPHP\Models\Accounting\ExternalLink[]',
-        'payment_terms' => '\XeroAPI\XeroPHP\Models\Accounting\PaymentTerm'
+        'organisation_id' => 'string''api_key' => 'string''name' => 'string''legal_name' => 'string''pays_tax' => 'bool''version' => 'string''organisation_type' => 'string''base_currency' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode''country_code' => '\XeroAPI\XeroPHP\Models\Accounting\CountryCode''is_demo_company' => 'bool''organisation_status' => 'string''registration_number' => 'string''employer_identification_number' => 'string''tax_number' => 'string''financial_year_end_day' => 'int''financial_year_end_month' => 'int''sales_tax_basis' => 'string''sales_tax_period' => 'string''default_sales_tax' => 'string''default_purchases_tax' => 'string''period_lock_date' => 'string''end_of_year_lock_date' => 'string''created_date_utc' => 'string''timezone' => '\XeroAPI\XeroPHP\Models\Accounting\TimeZone''organisation_entity_type' => 'string''short_code' => 'string''class' => 'string''edition' => 'string''line_of_business' => 'string''addresses' => '\XeroAPI\XeroPHP\Models\Accounting\AddressForOrganisation[]''phones' => '\XeroAPI\XeroPHP\Models\Accounting\Phone[]''external_links' => '\XeroAPI\XeroPHP\Models\Accounting\ExternalLink[]''payment_terms' => '\XeroAPI\XeroPHP\Models\Accounting\PaymentTerm'
     ];
 
     /**
@@ -97,39 +67,7 @@ class Organisation implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'organisation_id' => 'uuid',
-        'api_key' => null,
-        'name' => null,
-        'legal_name' => null,
-        'pays_tax' => null,
-        'version' => null,
-        'organisation_type' => null,
-        'base_currency' => null,
-        'country_code' => null,
-        'is_demo_company' => null,
-        'organisation_status' => null,
-        'registration_number' => null,
-        'employer_identification_number' => null,
-        'tax_number' => null,
-        'financial_year_end_day' => null,
-        'financial_year_end_month' => null,
-        'sales_tax_basis' => null,
-        'sales_tax_period' => null,
-        'default_sales_tax' => null,
-        'default_purchases_tax' => null,
-        'period_lock_date' => null,
-        'end_of_year_lock_date' => null,
-        'created_date_utc' => null,
-        'timezone' => null,
-        'organisation_entity_type' => null,
-        'short_code' => null,
-        'class' => null,
-        'edition' => null,
-        'line_of_business' => null,
-        'addresses' => null,
-        'phones' => null,
-        'external_links' => null,
-        'payment_terms' => null
+        'organisation_id' => 'uuid''api_key' => null'name' => null'legal_name' => null'pays_tax' => null'version' => null'organisation_type' => null'base_currency' => null'country_code' => null'is_demo_company' => null'organisation_status' => null'registration_number' => null'employer_identification_number' => null'tax_number' => null'financial_year_end_day' => null'financial_year_end_month' => null'sales_tax_basis' => null'sales_tax_period' => null'default_sales_tax' => null'default_purchases_tax' => null'period_lock_date' => null'end_of_year_lock_date' => null'created_date_utc' => null'timezone' => null'organisation_entity_type' => null'short_code' => null'class' => null'edition' => null'line_of_business' => null'addresses' => null'phones' => null'external_links' => null'payment_terms' => null
     ];
 
     /**
@@ -159,39 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'organisation_id' => 'OrganisationID',
-        'api_key' => 'APIKey',
-        'name' => 'Name',
-        'legal_name' => 'LegalName',
-        'pays_tax' => 'PaysTax',
-        'version' => 'Version',
-        'organisation_type' => 'OrganisationType',
-        'base_currency' => 'BaseCurrency',
-        'country_code' => 'CountryCode',
-        'is_demo_company' => 'IsDemoCompany',
-        'organisation_status' => 'OrganisationStatus',
-        'registration_number' => 'RegistrationNumber',
-        'employer_identification_number' => 'EmployerIdentificationNumber',
-        'tax_number' => 'TaxNumber',
-        'financial_year_end_day' => 'FinancialYearEndDay',
-        'financial_year_end_month' => 'FinancialYearEndMonth',
-        'sales_tax_basis' => 'SalesTaxBasis',
-        'sales_tax_period' => 'SalesTaxPeriod',
-        'default_sales_tax' => 'DefaultSalesTax',
-        'default_purchases_tax' => 'DefaultPurchasesTax',
-        'period_lock_date' => 'PeriodLockDate',
-        'end_of_year_lock_date' => 'EndOfYearLockDate',
-        'created_date_utc' => 'CreatedDateUTC',
-        'timezone' => 'Timezone',
-        'organisation_entity_type' => 'OrganisationEntityType',
-        'short_code' => 'ShortCode',
-        'class' => 'Class',
-        'edition' => 'Edition',
-        'line_of_business' => 'LineOfBusiness',
-        'addresses' => 'Addresses',
-        'phones' => 'Phones',
-        'external_links' => 'ExternalLinks',
-        'payment_terms' => 'PaymentTerms'
+        'organisation_id' => 'OrganisationID''api_key' => 'APIKey''name' => 'Name''legal_name' => 'LegalName''pays_tax' => 'PaysTax''version' => 'Version''organisation_type' => 'OrganisationType''base_currency' => 'BaseCurrency''country_code' => 'CountryCode''is_demo_company' => 'IsDemoCompany''organisation_status' => 'OrganisationStatus''registration_number' => 'RegistrationNumber''employer_identification_number' => 'EmployerIdentificationNumber''tax_number' => 'TaxNumber''financial_year_end_day' => 'FinancialYearEndDay''financial_year_end_month' => 'FinancialYearEndMonth''sales_tax_basis' => 'SalesTaxBasis''sales_tax_period' => 'SalesTaxPeriod''default_sales_tax' => 'DefaultSalesTax''default_purchases_tax' => 'DefaultPurchasesTax''period_lock_date' => 'PeriodLockDate''end_of_year_lock_date' => 'EndOfYearLockDate''created_date_utc' => 'CreatedDateUTC''timezone' => 'Timezone''organisation_entity_type' => 'OrganisationEntityType''short_code' => 'ShortCode''class' => 'Class''edition' => 'Edition''line_of_business' => 'LineOfBusiness''addresses' => 'Addresses''phones' => 'Phones''external_links' => 'ExternalLinks''payment_terms' => 'PaymentTerms'
     ];
 
     /**
@@ -200,39 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'organisation_id' => 'setOrganisationId',
-        'api_key' => 'setApiKey',
-        'name' => 'setName',
-        'legal_name' => 'setLegalName',
-        'pays_tax' => 'setPaysTax',
-        'version' => 'setVersion',
-        'organisation_type' => 'setOrganisationType',
-        'base_currency' => 'setBaseCurrency',
-        'country_code' => 'setCountryCode',
-        'is_demo_company' => 'setIsDemoCompany',
-        'organisation_status' => 'setOrganisationStatus',
-        'registration_number' => 'setRegistrationNumber',
-        'employer_identification_number' => 'setEmployerIdentificationNumber',
-        'tax_number' => 'setTaxNumber',
-        'financial_year_end_day' => 'setFinancialYearEndDay',
-        'financial_year_end_month' => 'setFinancialYearEndMonth',
-        'sales_tax_basis' => 'setSalesTaxBasis',
-        'sales_tax_period' => 'setSalesTaxPeriod',
-        'default_sales_tax' => 'setDefaultSalesTax',
-        'default_purchases_tax' => 'setDefaultPurchasesTax',
-        'period_lock_date' => 'setPeriodLockDate',
-        'end_of_year_lock_date' => 'setEndOfYearLockDate',
-        'created_date_utc' => 'setCreatedDateUtc',
-        'timezone' => 'setTimezone',
-        'organisation_entity_type' => 'setOrganisationEntityType',
-        'short_code' => 'setShortCode',
-        'class' => 'setClass',
-        'edition' => 'setEdition',
-        'line_of_business' => 'setLineOfBusiness',
-        'addresses' => 'setAddresses',
-        'phones' => 'setPhones',
-        'external_links' => 'setExternalLinks',
-        'payment_terms' => 'setPaymentTerms'
+        'organisation_id' => 'setOrganisationId''api_key' => 'setApiKey''name' => 'setName''legal_name' => 'setLegalName''pays_tax' => 'setPaysTax''version' => 'setVersion''organisation_type' => 'setOrganisationType''base_currency' => 'setBaseCurrency''country_code' => 'setCountryCode''is_demo_company' => 'setIsDemoCompany''organisation_status' => 'setOrganisationStatus''registration_number' => 'setRegistrationNumber''employer_identification_number' => 'setEmployerIdentificationNumber''tax_number' => 'setTaxNumber''financial_year_end_day' => 'setFinancialYearEndDay''financial_year_end_month' => 'setFinancialYearEndMonth''sales_tax_basis' => 'setSalesTaxBasis''sales_tax_period' => 'setSalesTaxPeriod''default_sales_tax' => 'setDefaultSalesTax''default_purchases_tax' => 'setDefaultPurchasesTax''period_lock_date' => 'setPeriodLockDate''end_of_year_lock_date' => 'setEndOfYearLockDate''created_date_utc' => 'setCreatedDateUtc''timezone' => 'setTimezone''organisation_entity_type' => 'setOrganisationEntityType''short_code' => 'setShortCode''class' => 'setClass''edition' => 'setEdition''line_of_business' => 'setLineOfBusiness''addresses' => 'setAddresses''phones' => 'setPhones''external_links' => 'setExternalLinks''payment_terms' => 'setPaymentTerms'
     ];
 
     /**
@@ -241,39 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'organisation_id' => 'getOrganisationId',
-        'api_key' => 'getApiKey',
-        'name' => 'getName',
-        'legal_name' => 'getLegalName',
-        'pays_tax' => 'getPaysTax',
-        'version' => 'getVersion',
-        'organisation_type' => 'getOrganisationType',
-        'base_currency' => 'getBaseCurrency',
-        'country_code' => 'getCountryCode',
-        'is_demo_company' => 'getIsDemoCompany',
-        'organisation_status' => 'getOrganisationStatus',
-        'registration_number' => 'getRegistrationNumber',
-        'employer_identification_number' => 'getEmployerIdentificationNumber',
-        'tax_number' => 'getTaxNumber',
-        'financial_year_end_day' => 'getFinancialYearEndDay',
-        'financial_year_end_month' => 'getFinancialYearEndMonth',
-        'sales_tax_basis' => 'getSalesTaxBasis',
-        'sales_tax_period' => 'getSalesTaxPeriod',
-        'default_sales_tax' => 'getDefaultSalesTax',
-        'default_purchases_tax' => 'getDefaultPurchasesTax',
-        'period_lock_date' => 'getPeriodLockDate',
-        'end_of_year_lock_date' => 'getEndOfYearLockDate',
-        'created_date_utc' => 'getCreatedDateUtc',
-        'timezone' => 'getTimezone',
-        'organisation_entity_type' => 'getOrganisationEntityType',
-        'short_code' => 'getShortCode',
-        'class' => 'getClass',
-        'edition' => 'getEdition',
-        'line_of_business' => 'getLineOfBusiness',
-        'addresses' => 'getAddresses',
-        'phones' => 'getPhones',
-        'external_links' => 'getExternalLinks',
-        'payment_terms' => 'getPaymentTerms'
+        'organisation_id' => 'getOrganisationId''api_key' => 'getApiKey''name' => 'getName''legal_name' => 'getLegalName''pays_tax' => 'getPaysTax''version' => 'getVersion''organisation_type' => 'getOrganisationType''base_currency' => 'getBaseCurrency''country_code' => 'getCountryCode''is_demo_company' => 'getIsDemoCompany''organisation_status' => 'getOrganisationStatus''registration_number' => 'getRegistrationNumber''employer_identification_number' => 'getEmployerIdentificationNumber''tax_number' => 'getTaxNumber''financial_year_end_day' => 'getFinancialYearEndDay''financial_year_end_month' => 'getFinancialYearEndMonth''sales_tax_basis' => 'getSalesTaxBasis''sales_tax_period' => 'getSalesTaxPeriod''default_sales_tax' => 'getDefaultSalesTax''default_purchases_tax' => 'getDefaultPurchasesTax''period_lock_date' => 'getPeriodLockDate''end_of_year_lock_date' => 'getEndOfYearLockDate''created_date_utc' => 'getCreatedDateUtc''timezone' => 'getTimezone''organisation_entity_type' => 'getOrganisationEntityType''short_code' => 'getShortCode''class' => 'getClass''edition' => 'getEdition''line_of_business' => 'getLineOfBusiness''addresses' => 'getAddresses''phones' => 'getPhones''external_links' => 'getExternalLinks''payment_terms' => 'getPaymentTerms'
     ];
 
     /**
@@ -1691,6 +1533,7 @@ public function setPaymentTerms($payment_terms)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1703,6 +1546,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1716,6 +1560,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1732,6 +1577,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Organisations.php b/lib/Models/Accounting/Organisations.php
index d5e72277..5e94b73b 100644
--- a/lib/Models/Accounting/Organisations.php
+++ b/lib/Models/Accounting/Organisations.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Organisations Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setOrganisations($organisations)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['organisations'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['organisations'][$offset]) ? $this->container['organisations'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['organisations'][$offset]);
diff --git a/lib/Models/Accounting/Overpayment.php b/lib/Models/Accounting/Overpayment.php
index fde07d2c..6327db29 100644
--- a/lib/Models/Accounting/Overpayment.php
+++ b/lib/Models/Accounting/Overpayment.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Overpayment Class Doc Comment
  *
@@ -56,25 +58,7 @@ class Overpayment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'type' => 'string',
-        'contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact',
-        'date' => 'string',
-        'status' => 'string',
-        'line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes',
-        'line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]',
-        'sub_total' => 'double',
-        'total_tax' => 'double',
-        'total' => 'double',
-        'updated_date_utc' => 'string',
-        'currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode',
-        'overpayment_id' => 'string',
-        'currency_rate' => 'double',
-        'remaining_credit' => 'double',
-        'allocations' => '\XeroAPI\XeroPHP\Models\Accounting\Allocation[]',
-        'applied_amount' => 'double',
-        'payments' => '\XeroAPI\XeroPHP\Models\Accounting\Payment[]',
-        'has_attachments' => 'bool',
-        'attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]'
+        'type' => 'string''contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact''date' => 'string''status' => 'string''line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes''line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]''sub_total' => 'double''total_tax' => 'double''total' => 'double''updated_date_utc' => 'string''currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode''overpayment_id' => 'string''currency_rate' => 'double''remaining_credit' => 'double''allocations' => '\XeroAPI\XeroPHP\Models\Accounting\Allocation[]''applied_amount' => 'double''payments' => '\XeroAPI\XeroPHP\Models\Accounting\Payment[]''has_attachments' => 'bool''attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]'
     ];
 
     /**
@@ -83,25 +67,7 @@ class Overpayment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'type' => null,
-        'contact' => null,
-        'date' => null,
-        'status' => null,
-        'line_amount_types' => null,
-        'line_items' => null,
-        'sub_total' => 'double',
-        'total_tax' => 'double',
-        'total' => 'double',
-        'updated_date_utc' => null,
-        'currency_code' => null,
-        'overpayment_id' => 'uuid',
-        'currency_rate' => 'double',
-        'remaining_credit' => 'double',
-        'allocations' => null,
-        'applied_amount' => 'double',
-        'payments' => null,
-        'has_attachments' => null,
-        'attachments' => null
+        'type' => null'contact' => null'date' => null'status' => null'line_amount_types' => null'line_items' => null'sub_total' => 'double''total_tax' => 'double''total' => 'double''updated_date_utc' => null'currency_code' => null'overpayment_id' => 'uuid''currency_rate' => 'double''remaining_credit' => 'double''allocations' => null'applied_amount' => 'double''payments' => null'has_attachments' => null'attachments' => null
     ];
 
     /**
@@ -131,25 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'type' => 'Type',
-        'contact' => 'Contact',
-        'date' => 'Date',
-        'status' => 'Status',
-        'line_amount_types' => 'LineAmountTypes',
-        'line_items' => 'LineItems',
-        'sub_total' => 'SubTotal',
-        'total_tax' => 'TotalTax',
-        'total' => 'Total',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'currency_code' => 'CurrencyCode',
-        'overpayment_id' => 'OverpaymentID',
-        'currency_rate' => 'CurrencyRate',
-        'remaining_credit' => 'RemainingCredit',
-        'allocations' => 'Allocations',
-        'applied_amount' => 'AppliedAmount',
-        'payments' => 'Payments',
-        'has_attachments' => 'HasAttachments',
-        'attachments' => 'Attachments'
+        'type' => 'Type''contact' => 'Contact''date' => 'Date''status' => 'Status''line_amount_types' => 'LineAmountTypes''line_items' => 'LineItems''sub_total' => 'SubTotal''total_tax' => 'TotalTax''total' => 'Total''updated_date_utc' => 'UpdatedDateUTC''currency_code' => 'CurrencyCode''overpayment_id' => 'OverpaymentID''currency_rate' => 'CurrencyRate''remaining_credit' => 'RemainingCredit''allocations' => 'Allocations''applied_amount' => 'AppliedAmount''payments' => 'Payments''has_attachments' => 'HasAttachments''attachments' => 'Attachments'
     ];
 
     /**
@@ -158,25 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'type' => 'setType',
-        'contact' => 'setContact',
-        'date' => 'setDate',
-        'status' => 'setStatus',
-        'line_amount_types' => 'setLineAmountTypes',
-        'line_items' => 'setLineItems',
-        'sub_total' => 'setSubTotal',
-        'total_tax' => 'setTotalTax',
-        'total' => 'setTotal',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'currency_code' => 'setCurrencyCode',
-        'overpayment_id' => 'setOverpaymentId',
-        'currency_rate' => 'setCurrencyRate',
-        'remaining_credit' => 'setRemainingCredit',
-        'allocations' => 'setAllocations',
-        'applied_amount' => 'setAppliedAmount',
-        'payments' => 'setPayments',
-        'has_attachments' => 'setHasAttachments',
-        'attachments' => 'setAttachments'
+        'type' => 'setType''contact' => 'setContact''date' => 'setDate''status' => 'setStatus''line_amount_types' => 'setLineAmountTypes''line_items' => 'setLineItems''sub_total' => 'setSubTotal''total_tax' => 'setTotalTax''total' => 'setTotal''updated_date_utc' => 'setUpdatedDateUtc''currency_code' => 'setCurrencyCode''overpayment_id' => 'setOverpaymentId''currency_rate' => 'setCurrencyRate''remaining_credit' => 'setRemainingCredit''allocations' => 'setAllocations''applied_amount' => 'setAppliedAmount''payments' => 'setPayments''has_attachments' => 'setHasAttachments''attachments' => 'setAttachments'
     ];
 
     /**
@@ -185,25 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'type' => 'getType',
-        'contact' => 'getContact',
-        'date' => 'getDate',
-        'status' => 'getStatus',
-        'line_amount_types' => 'getLineAmountTypes',
-        'line_items' => 'getLineItems',
-        'sub_total' => 'getSubTotal',
-        'total_tax' => 'getTotalTax',
-        'total' => 'getTotal',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'currency_code' => 'getCurrencyCode',
-        'overpayment_id' => 'getOverpaymentId',
-        'currency_rate' => 'getCurrencyRate',
-        'remaining_credit' => 'getRemainingCredit',
-        'allocations' => 'getAllocations',
-        'applied_amount' => 'getAppliedAmount',
-        'payments' => 'getPayments',
-        'has_attachments' => 'getHasAttachments',
-        'attachments' => 'getAttachments'
+        'type' => 'getType''contact' => 'getContact''date' => 'getDate''status' => 'getStatus''line_amount_types' => 'getLineAmountTypes''line_items' => 'getLineItems''sub_total' => 'getSubTotal''total_tax' => 'getTotalTax''total' => 'getTotal''updated_date_utc' => 'getUpdatedDateUtc''currency_code' => 'getCurrencyCode''overpayment_id' => 'getOverpaymentId''currency_rate' => 'getCurrencyRate''remaining_credit' => 'getRemainingCredit''allocations' => 'getAllocations''applied_amount' => 'getAppliedAmount''payments' => 'getPayments''has_attachments' => 'getHasAttachments''attachments' => 'getAttachments'
     ];
 
     /**
@@ -930,6 +842,7 @@ public function setAttachments($attachments)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -942,6 +855,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -955,6 +869,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -971,6 +886,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Overpayments.php b/lib/Models/Accounting/Overpayments.php
index cce9959a..ecd74275 100644
--- a/lib/Models/Accounting/Overpayments.php
+++ b/lib/Models/Accounting/Overpayments.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Overpayments Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setOverpayments($overpayments)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['overpayments'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['overpayments'][$offset]) ? $this->container['overpayments'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['overpayments'][$offset]);
diff --git a/lib/Models/Accounting/Payment.php b/lib/Models/Accounting/Payment.php
index f2ad673c..0192ab6d 100644
--- a/lib/Models/Accounting/Payment.php
+++ b/lib/Models/Accounting/Payment.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Payment Class Doc Comment
  *
@@ -56,32 +58,7 @@ class Payment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'invoice' => '\XeroAPI\XeroPHP\Models\Accounting\Invoice',
-        'credit_note' => '\XeroAPI\XeroPHP\Models\Accounting\CreditNote',
-        'prepayment' => '\XeroAPI\XeroPHP\Models\Accounting\Prepayment',
-        'overpayment' => '\XeroAPI\XeroPHP\Models\Accounting\Overpayment',
-        'invoice_number' => 'string',
-        'credit_note_number' => 'string',
-        'account' => '\XeroAPI\XeroPHP\Models\Accounting\Account',
-        'code' => 'string',
-        'date' => 'string',
-        'currency_rate' => 'double',
-        'amount' => 'double',
-        'bank_amount' => 'double',
-        'reference' => 'string',
-        'is_reconciled' => 'bool',
-        'status' => 'string',
-        'payment_type' => 'string',
-        'updated_date_utc' => 'string',
-        'payment_id' => 'string',
-        'batch_payment_id' => 'string',
-        'bank_account_number' => 'string',
-        'particulars' => 'string',
-        'details' => 'string',
-        'has_account' => 'bool',
-        'has_validation_errors' => 'bool',
-        'status_attribute_string' => 'string',
-        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
+        'invoice' => '\XeroAPI\XeroPHP\Models\Accounting\Invoice''credit_note' => '\XeroAPI\XeroPHP\Models\Accounting\CreditNote''prepayment' => '\XeroAPI\XeroPHP\Models\Accounting\Prepayment''overpayment' => '\XeroAPI\XeroPHP\Models\Accounting\Overpayment''invoice_number' => 'string''credit_note_number' => 'string''account' => '\XeroAPI\XeroPHP\Models\Accounting\Account''code' => 'string''date' => 'string''currency_rate' => 'double''amount' => 'double''bank_amount' => 'double''reference' => 'string''is_reconciled' => 'bool''status' => 'string''payment_type' => 'string''updated_date_utc' => 'string''payment_id' => 'string''batch_payment_id' => 'string''bank_account_number' => 'string''particulars' => 'string''details' => 'string''has_account' => 'bool''has_validation_errors' => 'bool''status_attribute_string' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
     ];
 
     /**
@@ -90,32 +67,7 @@ class Payment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'invoice' => null,
-        'credit_note' => null,
-        'prepayment' => null,
-        'overpayment' => null,
-        'invoice_number' => null,
-        'credit_note_number' => null,
-        'account' => null,
-        'code' => null,
-        'date' => null,
-        'currency_rate' => 'double',
-        'amount' => 'double',
-        'bank_amount' => 'double',
-        'reference' => null,
-        'is_reconciled' => null,
-        'status' => null,
-        'payment_type' => null,
-        'updated_date_utc' => null,
-        'payment_id' => 'uuid',
-        'batch_payment_id' => 'uuid',
-        'bank_account_number' => null,
-        'particulars' => null,
-        'details' => null,
-        'has_account' => null,
-        'has_validation_errors' => null,
-        'status_attribute_string' => null,
-        'validation_errors' => null
+        'invoice' => null'credit_note' => null'prepayment' => null'overpayment' => null'invoice_number' => null'credit_note_number' => null'account' => null'code' => null'date' => null'currency_rate' => 'double''amount' => 'double''bank_amount' => 'double''reference' => null'is_reconciled' => null'status' => null'payment_type' => null'updated_date_utc' => null'payment_id' => 'uuid''batch_payment_id' => 'uuid''bank_account_number' => null'particulars' => null'details' => null'has_account' => null'has_validation_errors' => null'status_attribute_string' => null'validation_errors' => null
     ];
 
     /**
@@ -145,32 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'invoice' => 'Invoice',
-        'credit_note' => 'CreditNote',
-        'prepayment' => 'Prepayment',
-        'overpayment' => 'Overpayment',
-        'invoice_number' => 'InvoiceNumber',
-        'credit_note_number' => 'CreditNoteNumber',
-        'account' => 'Account',
-        'code' => 'Code',
-        'date' => 'Date',
-        'currency_rate' => 'CurrencyRate',
-        'amount' => 'Amount',
-        'bank_amount' => 'BankAmount',
-        'reference' => 'Reference',
-        'is_reconciled' => 'IsReconciled',
-        'status' => 'Status',
-        'payment_type' => 'PaymentType',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'payment_id' => 'PaymentID',
-        'batch_payment_id' => 'BatchPaymentID',
-        'bank_account_number' => 'BankAccountNumber',
-        'particulars' => 'Particulars',
-        'details' => 'Details',
-        'has_account' => 'HasAccount',
-        'has_validation_errors' => 'HasValidationErrors',
-        'status_attribute_string' => 'StatusAttributeString',
-        'validation_errors' => 'ValidationErrors'
+        'invoice' => 'Invoice''credit_note' => 'CreditNote''prepayment' => 'Prepayment''overpayment' => 'Overpayment''invoice_number' => 'InvoiceNumber''credit_note_number' => 'CreditNoteNumber''account' => 'Account''code' => 'Code''date' => 'Date''currency_rate' => 'CurrencyRate''amount' => 'Amount''bank_amount' => 'BankAmount''reference' => 'Reference''is_reconciled' => 'IsReconciled''status' => 'Status''payment_type' => 'PaymentType''updated_date_utc' => 'UpdatedDateUTC''payment_id' => 'PaymentID''batch_payment_id' => 'BatchPaymentID''bank_account_number' => 'BankAccountNumber''particulars' => 'Particulars''details' => 'Details''has_account' => 'HasAccount''has_validation_errors' => 'HasValidationErrors''status_attribute_string' => 'StatusAttributeString''validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -179,32 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'invoice' => 'setInvoice',
-        'credit_note' => 'setCreditNote',
-        'prepayment' => 'setPrepayment',
-        'overpayment' => 'setOverpayment',
-        'invoice_number' => 'setInvoiceNumber',
-        'credit_note_number' => 'setCreditNoteNumber',
-        'account' => 'setAccount',
-        'code' => 'setCode',
-        'date' => 'setDate',
-        'currency_rate' => 'setCurrencyRate',
-        'amount' => 'setAmount',
-        'bank_amount' => 'setBankAmount',
-        'reference' => 'setReference',
-        'is_reconciled' => 'setIsReconciled',
-        'status' => 'setStatus',
-        'payment_type' => 'setPaymentType',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'payment_id' => 'setPaymentId',
-        'batch_payment_id' => 'setBatchPaymentId',
-        'bank_account_number' => 'setBankAccountNumber',
-        'particulars' => 'setParticulars',
-        'details' => 'setDetails',
-        'has_account' => 'setHasAccount',
-        'has_validation_errors' => 'setHasValidationErrors',
-        'status_attribute_string' => 'setStatusAttributeString',
-        'validation_errors' => 'setValidationErrors'
+        'invoice' => 'setInvoice''credit_note' => 'setCreditNote''prepayment' => 'setPrepayment''overpayment' => 'setOverpayment''invoice_number' => 'setInvoiceNumber''credit_note_number' => 'setCreditNoteNumber''account' => 'setAccount''code' => 'setCode''date' => 'setDate''currency_rate' => 'setCurrencyRate''amount' => 'setAmount''bank_amount' => 'setBankAmount''reference' => 'setReference''is_reconciled' => 'setIsReconciled''status' => 'setStatus''payment_type' => 'setPaymentType''updated_date_utc' => 'setUpdatedDateUtc''payment_id' => 'setPaymentId''batch_payment_id' => 'setBatchPaymentId''bank_account_number' => 'setBankAccountNumber''particulars' => 'setParticulars''details' => 'setDetails''has_account' => 'setHasAccount''has_validation_errors' => 'setHasValidationErrors''status_attribute_string' => 'setStatusAttributeString''validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -213,32 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'invoice' => 'getInvoice',
-        'credit_note' => 'getCreditNote',
-        'prepayment' => 'getPrepayment',
-        'overpayment' => 'getOverpayment',
-        'invoice_number' => 'getInvoiceNumber',
-        'credit_note_number' => 'getCreditNoteNumber',
-        'account' => 'getAccount',
-        'code' => 'getCode',
-        'date' => 'getDate',
-        'currency_rate' => 'getCurrencyRate',
-        'amount' => 'getAmount',
-        'bank_amount' => 'getBankAmount',
-        'reference' => 'getReference',
-        'is_reconciled' => 'getIsReconciled',
-        'status' => 'getStatus',
-        'payment_type' => 'getPaymentType',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'payment_id' => 'getPaymentId',
-        'batch_payment_id' => 'getBatchPaymentId',
-        'bank_account_number' => 'getBankAccountNumber',
-        'particulars' => 'getParticulars',
-        'details' => 'getDetails',
-        'has_account' => 'getHasAccount',
-        'has_validation_errors' => 'getHasValidationErrors',
-        'status_attribute_string' => 'getStatusAttributeString',
-        'validation_errors' => 'getValidationErrors'
+        'invoice' => 'getInvoice''credit_note' => 'getCreditNote''prepayment' => 'getPrepayment''overpayment' => 'getOverpayment''invoice_number' => 'getInvoiceNumber''credit_note_number' => 'getCreditNoteNumber''account' => 'getAccount''code' => 'getCode''date' => 'getDate''currency_rate' => 'getCurrencyRate''amount' => 'getAmount''bank_amount' => 'getBankAmount''reference' => 'getReference''is_reconciled' => 'getIsReconciled''status' => 'getStatus''payment_type' => 'getPaymentType''updated_date_utc' => 'getUpdatedDateUtc''payment_id' => 'getPaymentId''batch_payment_id' => 'getBatchPaymentId''bank_account_number' => 'getBankAccountNumber''particulars' => 'getParticulars''details' => 'getDetails''has_account' => 'getHasAccount''has_validation_errors' => 'getHasValidationErrors''status_attribute_string' => 'getStatusAttributeString''validation_errors' => 'getValidationErrors'
     ];
 
     /**
@@ -1169,6 +1046,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1181,6 +1059,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1194,6 +1073,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1210,6 +1090,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/PaymentDelete.php b/lib/Models/Accounting/PaymentDelete.php
index 073dac27..80ce6e0e 100644
--- a/lib/Models/Accounting/PaymentDelete.php
+++ b/lib/Models/Accounting/PaymentDelete.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PaymentDelete Class Doc Comment
  *
@@ -239,6 +241,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,6 +254,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -264,6 +268,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -280,6 +285,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/PaymentService.php b/lib/Models/Accounting/PaymentService.php
index 878bc6ca..20265939 100644
--- a/lib/Models/Accounting/PaymentService.php
+++ b/lib/Models/Accounting/PaymentService.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PaymentService Class Doc Comment
  *
@@ -56,12 +58,7 @@ class PaymentService implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'payment_service_id' => 'string',
-        'payment_service_name' => 'string',
-        'payment_service_url' => 'string',
-        'pay_now_text' => 'string',
-        'payment_service_type' => 'string',
-        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
+        'payment_service_id' => 'string''payment_service_name' => 'string''payment_service_url' => 'string''pay_now_text' => 'string''payment_service_type' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
     ];
 
     /**
@@ -70,12 +67,7 @@ class PaymentService implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'payment_service_id' => 'uuid',
-        'payment_service_name' => null,
-        'payment_service_url' => null,
-        'pay_now_text' => null,
-        'payment_service_type' => null,
-        'validation_errors' => null
+        'payment_service_id' => 'uuid''payment_service_name' => null'payment_service_url' => null'pay_now_text' => null'payment_service_type' => null'validation_errors' => null
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'payment_service_id' => 'PaymentServiceID',
-        'payment_service_name' => 'PaymentServiceName',
-        'payment_service_url' => 'PaymentServiceUrl',
-        'pay_now_text' => 'PayNowText',
-        'payment_service_type' => 'PaymentServiceType',
-        'validation_errors' => 'ValidationErrors'
+        'payment_service_id' => 'PaymentServiceID''payment_service_name' => 'PaymentServiceName''payment_service_url' => 'PaymentServiceUrl''pay_now_text' => 'PayNowText''payment_service_type' => 'PaymentServiceType''validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'payment_service_id' => 'setPaymentServiceId',
-        'payment_service_name' => 'setPaymentServiceName',
-        'payment_service_url' => 'setPaymentServiceUrl',
-        'pay_now_text' => 'setPayNowText',
-        'payment_service_type' => 'setPaymentServiceType',
-        'validation_errors' => 'setValidationErrors'
+        'payment_service_id' => 'setPaymentServiceId''payment_service_name' => 'setPaymentServiceName''payment_service_url' => 'setPaymentServiceUrl''pay_now_text' => 'setPayNowText''payment_service_type' => 'setPaymentServiceType''validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'payment_service_id' => 'getPaymentServiceId',
-        'payment_service_name' => 'getPaymentServiceName',
-        'payment_service_url' => 'getPaymentServiceUrl',
-        'pay_now_text' => 'getPayNowText',
-        'payment_service_type' => 'getPaymentServiceType',
-        'validation_errors' => 'getValidationErrors'
+        'payment_service_id' => 'getPaymentServiceId''payment_service_name' => 'getPaymentServiceName''payment_service_url' => 'getPaymentServiceUrl''pay_now_text' => 'getPayNowText''payment_service_type' => 'getPaymentServiceType''validation_errors' => 'getValidationErrors'
     ];
 
     /**
@@ -401,6 +378,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -413,6 +391,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -426,6 +405,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -442,6 +422,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/PaymentServices.php b/lib/Models/Accounting/PaymentServices.php
index 9d564297..d59db943 100644
--- a/lib/Models/Accounting/PaymentServices.php
+++ b/lib/Models/Accounting/PaymentServices.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PaymentServices Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setPaymentServices($payment_services)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['payment_services'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['payment_services'][$offset]) ? $this->container['payment_services'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['payment_services'][$offset]);
diff --git a/lib/Models/Accounting/PaymentTerm.php b/lib/Models/Accounting/PaymentTerm.php
index 31019457..97814243 100644
--- a/lib/Models/Accounting/PaymentTerm.php
+++ b/lib/Models/Accounting/PaymentTerm.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PaymentTerm Class Doc Comment
  *
@@ -56,8 +58,7 @@ class PaymentTerm implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'bills' => '\XeroAPI\XeroPHP\Models\Accounting\Bill',
-        'sales' => '\XeroAPI\XeroPHP\Models\Accounting\Bill'
+        'bills' => '\XeroAPI\XeroPHP\Models\Accounting\Bill''sales' => '\XeroAPI\XeroPHP\Models\Accounting\Bill'
     ];
 
     /**
@@ -66,8 +67,7 @@ class PaymentTerm implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'bills' => null,
-        'sales' => null
+        'bills' => null'sales' => null
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'bills' => 'Bills',
-        'sales' => 'Sales'
+        'bills' => 'Bills''sales' => 'Sales'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'bills' => 'setBills',
-        'sales' => 'setSales'
+        'bills' => 'setBills''sales' => 'setSales'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'bills' => 'getBills',
-        'sales' => 'getSales'
+        'bills' => 'getBills''sales' => 'getSales'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setSales($sales)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/PaymentTermType.php b/lib/Models/Accounting/PaymentTermType.php
index ba05eb3d..70f8e122 100644
--- a/lib/Models/Accounting/PaymentTermType.php
+++ b/lib/Models/Accounting/PaymentTermType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\Accounting;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PaymentTermType Class Doc Comment
  *
diff --git a/lib/Models/Accounting/Payments.php b/lib/Models/Accounting/Payments.php
index 7d129377..d7258003 100644
--- a/lib/Models/Accounting/Payments.php
+++ b/lib/Models/Accounting/Payments.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Payments Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setPayments($payments)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['payments'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['payments'][$offset]) ? $this->container['payments'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['payments'][$offset]);
diff --git a/lib/Models/Accounting/Phone.php b/lib/Models/Accounting/Phone.php
index b85b1cd6..217b1be2 100644
--- a/lib/Models/Accounting/Phone.php
+++ b/lib/Models/Accounting/Phone.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Phone Class Doc Comment
  *
@@ -56,10 +58,7 @@ class Phone implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'phone_type' => 'string',
-        'phone_number' => 'string',
-        'phone_area_code' => 'string',
-        'phone_country_code' => 'string'
+        'phone_type' => 'string''phone_number' => 'string''phone_area_code' => 'string''phone_country_code' => 'string'
     ];
 
     /**
@@ -68,10 +67,7 @@ class Phone implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'phone_type' => null,
-        'phone_number' => null,
-        'phone_area_code' => null,
-        'phone_country_code' => null
+        'phone_type' => null'phone_number' => null'phone_area_code' => null'phone_country_code' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'phone_type' => 'PhoneType',
-        'phone_number' => 'PhoneNumber',
-        'phone_area_code' => 'PhoneAreaCode',
-        'phone_country_code' => 'PhoneCountryCode'
+        'phone_type' => 'PhoneType''phone_number' => 'PhoneNumber''phone_area_code' => 'PhoneAreaCode''phone_country_code' => 'PhoneCountryCode'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'phone_type' => 'setPhoneType',
-        'phone_number' => 'setPhoneNumber',
-        'phone_area_code' => 'setPhoneAreaCode',
-        'phone_country_code' => 'setPhoneCountryCode'
+        'phone_type' => 'setPhoneType''phone_number' => 'setPhoneNumber''phone_area_code' => 'setPhoneAreaCode''phone_country_code' => 'setPhoneCountryCode'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'phone_type' => 'getPhoneType',
-        'phone_number' => 'getPhoneNumber',
-        'phone_area_code' => 'getPhoneAreaCode',
-        'phone_country_code' => 'getPhoneCountryCode'
+        'phone_type' => 'getPhoneType''phone_number' => 'getPhoneNumber''phone_area_code' => 'getPhoneAreaCode''phone_country_code' => 'getPhoneCountryCode'
     ];
 
     /**
@@ -397,6 +384,7 @@ public function setPhoneCountryCode($phone_country_code)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -409,6 +397,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -422,6 +411,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -438,6 +428,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Prepayment.php b/lib/Models/Accounting/Prepayment.php
index 479342ee..e70d38bc 100644
--- a/lib/Models/Accounting/Prepayment.php
+++ b/lib/Models/Accounting/Prepayment.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Prepayment Class Doc Comment
  *
@@ -56,26 +58,7 @@ class Prepayment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'type' => 'string',
-        'contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact',
-        'date' => 'string',
-        'status' => 'string',
-        'line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes',
-        'line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]',
-        'sub_total' => 'double',
-        'total_tax' => 'double',
-        'total' => 'double',
-        'reference' => 'string',
-        'updated_date_utc' => 'string',
-        'currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode',
-        'prepayment_id' => 'string',
-        'currency_rate' => 'double',
-        'remaining_credit' => 'double',
-        'allocations' => '\XeroAPI\XeroPHP\Models\Accounting\Allocation[]',
-        'payments' => '\XeroAPI\XeroPHP\Models\Accounting\Payment[]',
-        'applied_amount' => 'double',
-        'has_attachments' => 'bool',
-        'attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]'
+        'type' => 'string''contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact''date' => 'string''status' => 'string''line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes''line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]''sub_total' => 'double''total_tax' => 'double''total' => 'double''reference' => 'string''updated_date_utc' => 'string''currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode''prepayment_id' => 'string''currency_rate' => 'double''remaining_credit' => 'double''allocations' => '\XeroAPI\XeroPHP\Models\Accounting\Allocation[]''payments' => '\XeroAPI\XeroPHP\Models\Accounting\Payment[]''applied_amount' => 'double''has_attachments' => 'bool''attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]'
     ];
 
     /**
@@ -84,26 +67,7 @@ class Prepayment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'type' => null,
-        'contact' => null,
-        'date' => null,
-        'status' => null,
-        'line_amount_types' => null,
-        'line_items' => null,
-        'sub_total' => 'double',
-        'total_tax' => 'double',
-        'total' => 'double',
-        'reference' => null,
-        'updated_date_utc' => null,
-        'currency_code' => null,
-        'prepayment_id' => 'uuid',
-        'currency_rate' => 'double',
-        'remaining_credit' => 'double',
-        'allocations' => null,
-        'payments' => null,
-        'applied_amount' => 'double',
-        'has_attachments' => null,
-        'attachments' => null
+        'type' => null'contact' => null'date' => null'status' => null'line_amount_types' => null'line_items' => null'sub_total' => 'double''total_tax' => 'double''total' => 'double''reference' => null'updated_date_utc' => null'currency_code' => null'prepayment_id' => 'uuid''currency_rate' => 'double''remaining_credit' => 'double''allocations' => null'payments' => null'applied_amount' => 'double''has_attachments' => null'attachments' => null
     ];
 
     /**
@@ -133,26 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'type' => 'Type',
-        'contact' => 'Contact',
-        'date' => 'Date',
-        'status' => 'Status',
-        'line_amount_types' => 'LineAmountTypes',
-        'line_items' => 'LineItems',
-        'sub_total' => 'SubTotal',
-        'total_tax' => 'TotalTax',
-        'total' => 'Total',
-        'reference' => 'Reference',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'currency_code' => 'CurrencyCode',
-        'prepayment_id' => 'PrepaymentID',
-        'currency_rate' => 'CurrencyRate',
-        'remaining_credit' => 'RemainingCredit',
-        'allocations' => 'Allocations',
-        'payments' => 'Payments',
-        'applied_amount' => 'AppliedAmount',
-        'has_attachments' => 'HasAttachments',
-        'attachments' => 'Attachments'
+        'type' => 'Type''contact' => 'Contact''date' => 'Date''status' => 'Status''line_amount_types' => 'LineAmountTypes''line_items' => 'LineItems''sub_total' => 'SubTotal''total_tax' => 'TotalTax''total' => 'Total''reference' => 'Reference''updated_date_utc' => 'UpdatedDateUTC''currency_code' => 'CurrencyCode''prepayment_id' => 'PrepaymentID''currency_rate' => 'CurrencyRate''remaining_credit' => 'RemainingCredit''allocations' => 'Allocations''payments' => 'Payments''applied_amount' => 'AppliedAmount''has_attachments' => 'HasAttachments''attachments' => 'Attachments'
     ];
 
     /**
@@ -161,26 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'type' => 'setType',
-        'contact' => 'setContact',
-        'date' => 'setDate',
-        'status' => 'setStatus',
-        'line_amount_types' => 'setLineAmountTypes',
-        'line_items' => 'setLineItems',
-        'sub_total' => 'setSubTotal',
-        'total_tax' => 'setTotalTax',
-        'total' => 'setTotal',
-        'reference' => 'setReference',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'currency_code' => 'setCurrencyCode',
-        'prepayment_id' => 'setPrepaymentId',
-        'currency_rate' => 'setCurrencyRate',
-        'remaining_credit' => 'setRemainingCredit',
-        'allocations' => 'setAllocations',
-        'payments' => 'setPayments',
-        'applied_amount' => 'setAppliedAmount',
-        'has_attachments' => 'setHasAttachments',
-        'attachments' => 'setAttachments'
+        'type' => 'setType''contact' => 'setContact''date' => 'setDate''status' => 'setStatus''line_amount_types' => 'setLineAmountTypes''line_items' => 'setLineItems''sub_total' => 'setSubTotal''total_tax' => 'setTotalTax''total' => 'setTotal''reference' => 'setReference''updated_date_utc' => 'setUpdatedDateUtc''currency_code' => 'setCurrencyCode''prepayment_id' => 'setPrepaymentId''currency_rate' => 'setCurrencyRate''remaining_credit' => 'setRemainingCredit''allocations' => 'setAllocations''payments' => 'setPayments''applied_amount' => 'setAppliedAmount''has_attachments' => 'setHasAttachments''attachments' => 'setAttachments'
     ];
 
     /**
@@ -189,26 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'type' => 'getType',
-        'contact' => 'getContact',
-        'date' => 'getDate',
-        'status' => 'getStatus',
-        'line_amount_types' => 'getLineAmountTypes',
-        'line_items' => 'getLineItems',
-        'sub_total' => 'getSubTotal',
-        'total_tax' => 'getTotalTax',
-        'total' => 'getTotal',
-        'reference' => 'getReference',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'currency_code' => 'getCurrencyCode',
-        'prepayment_id' => 'getPrepaymentId',
-        'currency_rate' => 'getCurrencyRate',
-        'remaining_credit' => 'getRemainingCredit',
-        'allocations' => 'getAllocations',
-        'payments' => 'getPayments',
-        'applied_amount' => 'getAppliedAmount',
-        'has_attachments' => 'getHasAttachments',
-        'attachments' => 'getAttachments'
+        'type' => 'getType''contact' => 'getContact''date' => 'getDate''status' => 'getStatus''line_amount_types' => 'getLineAmountTypes''line_items' => 'getLineItems''sub_total' => 'getSubTotal''total_tax' => 'getTotalTax''total' => 'getTotal''reference' => 'getReference''updated_date_utc' => 'getUpdatedDateUtc''currency_code' => 'getCurrencyCode''prepayment_id' => 'getPrepaymentId''currency_rate' => 'getCurrencyRate''remaining_credit' => 'getRemainingCredit''allocations' => 'getAllocations''payments' => 'getPayments''applied_amount' => 'getAppliedAmount''has_attachments' => 'getHasAttachments''attachments' => 'getAttachments'
     ];
 
     /**
@@ -964,6 +871,7 @@ public function setAttachments($attachments)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -976,6 +884,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -989,6 +898,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1005,6 +915,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Prepayments.php b/lib/Models/Accounting/Prepayments.php
index 5721de6a..b3e758c0 100644
--- a/lib/Models/Accounting/Prepayments.php
+++ b/lib/Models/Accounting/Prepayments.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Prepayments Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setPrepayments($prepayments)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['prepayments'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['prepayments'][$offset]) ? $this->container['prepayments'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['prepayments'][$offset]);
diff --git a/lib/Models/Accounting/Purchase.php b/lib/Models/Accounting/Purchase.php
index 61bd3171..d41df9f5 100644
--- a/lib/Models/Accounting/Purchase.php
+++ b/lib/Models/Accounting/Purchase.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Purchase Class Doc Comment
  *
@@ -56,10 +58,7 @@ class Purchase implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'unit_price' => 'double',
-        'account_code' => 'string',
-        'cogs_account_code' => 'string',
-        'tax_type' => 'string'
+        'unit_price' => 'double''account_code' => 'string''cogs_account_code' => 'string''tax_type' => 'string'
     ];
 
     /**
@@ -68,10 +67,7 @@ class Purchase implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'unit_price' => 'double',
-        'account_code' => null,
-        'cogs_account_code' => null,
-        'tax_type' => null
+        'unit_price' => 'double''account_code' => null'cogs_account_code' => null'tax_type' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'unit_price' => 'UnitPrice',
-        'account_code' => 'AccountCode',
-        'cogs_account_code' => 'COGSAccountCode',
-        'tax_type' => 'TaxType'
+        'unit_price' => 'UnitPrice''account_code' => 'AccountCode''cogs_account_code' => 'COGSAccountCode''tax_type' => 'TaxType'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'unit_price' => 'setUnitPrice',
-        'account_code' => 'setAccountCode',
-        'cogs_account_code' => 'setCogsAccountCode',
-        'tax_type' => 'setTaxType'
+        'unit_price' => 'setUnitPrice''account_code' => 'setAccountCode''cogs_account_code' => 'setCogsAccountCode''tax_type' => 'setTaxType'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'unit_price' => 'getUnitPrice',
-        'account_code' => 'getAccountCode',
-        'cogs_account_code' => 'getCogsAccountCode',
-        'tax_type' => 'getTaxType'
+        'unit_price' => 'getUnitPrice''account_code' => 'getAccountCode''cogs_account_code' => 'getCogsAccountCode''tax_type' => 'getTaxType'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setTaxType($tax_type)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/PurchaseOrder.php b/lib/Models/Accounting/PurchaseOrder.php
index d2fa453d..ddf1df93 100644
--- a/lib/Models/Accounting/PurchaseOrder.php
+++ b/lib/Models/Accounting/PurchaseOrder.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PurchaseOrder Class Doc Comment
  *
@@ -56,34 +58,7 @@ class PurchaseOrder implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact',
-        'line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]',
-        'date' => 'string',
-        'delivery_date' => 'string',
-        'line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes',
-        'purchase_order_number' => 'string',
-        'reference' => 'string',
-        'branding_theme_id' => 'string',
-        'currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode',
-        'status' => 'string',
-        'sent_to_contact' => 'bool',
-        'delivery_address' => 'string',
-        'attention_to' => 'string',
-        'telephone' => 'string',
-        'delivery_instructions' => 'string',
-        'expected_arrival_date' => 'string',
-        'purchase_order_id' => 'string',
-        'currency_rate' => 'double',
-        'sub_total' => 'double',
-        'total_tax' => 'double',
-        'total' => 'double',
-        'total_discount' => 'double',
-        'has_attachments' => 'bool',
-        'updated_date_utc' => 'string',
-        'status_attribute_string' => 'string',
-        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]',
-        'warnings' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]',
-        'attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]'
+        'contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact''line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]''date' => 'string''delivery_date' => 'string''line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes''purchase_order_number' => 'string''reference' => 'string''branding_theme_id' => 'string''currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode''status' => 'string''sent_to_contact' => 'bool''delivery_address' => 'string''attention_to' => 'string''telephone' => 'string''delivery_instructions' => 'string''expected_arrival_date' => 'string''purchase_order_id' => 'string''currency_rate' => 'double''sub_total' => 'double''total_tax' => 'double''total' => 'double''total_discount' => 'double''has_attachments' => 'bool''updated_date_utc' => 'string''status_attribute_string' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]''warnings' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]''attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]'
     ];
 
     /**
@@ -92,34 +67,7 @@ class PurchaseOrder implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'contact' => null,
-        'line_items' => null,
-        'date' => null,
-        'delivery_date' => null,
-        'line_amount_types' => null,
-        'purchase_order_number' => null,
-        'reference' => null,
-        'branding_theme_id' => 'uuid',
-        'currency_code' => null,
-        'status' => null,
-        'sent_to_contact' => null,
-        'delivery_address' => null,
-        'attention_to' => null,
-        'telephone' => null,
-        'delivery_instructions' => null,
-        'expected_arrival_date' => null,
-        'purchase_order_id' => 'uuid',
-        'currency_rate' => 'double',
-        'sub_total' => 'double',
-        'total_tax' => 'double',
-        'total' => 'double',
-        'total_discount' => 'double',
-        'has_attachments' => null,
-        'updated_date_utc' => null,
-        'status_attribute_string' => null,
-        'validation_errors' => null,
-        'warnings' => null,
-        'attachments' => null
+        'contact' => null'line_items' => null'date' => null'delivery_date' => null'line_amount_types' => null'purchase_order_number' => null'reference' => null'branding_theme_id' => 'uuid''currency_code' => null'status' => null'sent_to_contact' => null'delivery_address' => null'attention_to' => null'telephone' => null'delivery_instructions' => null'expected_arrival_date' => null'purchase_order_id' => 'uuid''currency_rate' => 'double''sub_total' => 'double''total_tax' => 'double''total' => 'double''total_discount' => 'double''has_attachments' => null'updated_date_utc' => null'status_attribute_string' => null'validation_errors' => null'warnings' => null'attachments' => null
     ];
 
     /**
@@ -149,34 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'contact' => 'Contact',
-        'line_items' => 'LineItems',
-        'date' => 'Date',
-        'delivery_date' => 'DeliveryDate',
-        'line_amount_types' => 'LineAmountTypes',
-        'purchase_order_number' => 'PurchaseOrderNumber',
-        'reference' => 'Reference',
-        'branding_theme_id' => 'BrandingThemeID',
-        'currency_code' => 'CurrencyCode',
-        'status' => 'Status',
-        'sent_to_contact' => 'SentToContact',
-        'delivery_address' => 'DeliveryAddress',
-        'attention_to' => 'AttentionTo',
-        'telephone' => 'Telephone',
-        'delivery_instructions' => 'DeliveryInstructions',
-        'expected_arrival_date' => 'ExpectedArrivalDate',
-        'purchase_order_id' => 'PurchaseOrderID',
-        'currency_rate' => 'CurrencyRate',
-        'sub_total' => 'SubTotal',
-        'total_tax' => 'TotalTax',
-        'total' => 'Total',
-        'total_discount' => 'TotalDiscount',
-        'has_attachments' => 'HasAttachments',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'status_attribute_string' => 'StatusAttributeString',
-        'validation_errors' => 'ValidationErrors',
-        'warnings' => 'Warnings',
-        'attachments' => 'Attachments'
+        'contact' => 'Contact''line_items' => 'LineItems''date' => 'Date''delivery_date' => 'DeliveryDate''line_amount_types' => 'LineAmountTypes''purchase_order_number' => 'PurchaseOrderNumber''reference' => 'Reference''branding_theme_id' => 'BrandingThemeID''currency_code' => 'CurrencyCode''status' => 'Status''sent_to_contact' => 'SentToContact''delivery_address' => 'DeliveryAddress''attention_to' => 'AttentionTo''telephone' => 'Telephone''delivery_instructions' => 'DeliveryInstructions''expected_arrival_date' => 'ExpectedArrivalDate''purchase_order_id' => 'PurchaseOrderID''currency_rate' => 'CurrencyRate''sub_total' => 'SubTotal''total_tax' => 'TotalTax''total' => 'Total''total_discount' => 'TotalDiscount''has_attachments' => 'HasAttachments''updated_date_utc' => 'UpdatedDateUTC''status_attribute_string' => 'StatusAttributeString''validation_errors' => 'ValidationErrors''warnings' => 'Warnings''attachments' => 'Attachments'
     ];
 
     /**
@@ -185,34 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'contact' => 'setContact',
-        'line_items' => 'setLineItems',
-        'date' => 'setDate',
-        'delivery_date' => 'setDeliveryDate',
-        'line_amount_types' => 'setLineAmountTypes',
-        'purchase_order_number' => 'setPurchaseOrderNumber',
-        'reference' => 'setReference',
-        'branding_theme_id' => 'setBrandingThemeId',
-        'currency_code' => 'setCurrencyCode',
-        'status' => 'setStatus',
-        'sent_to_contact' => 'setSentToContact',
-        'delivery_address' => 'setDeliveryAddress',
-        'attention_to' => 'setAttentionTo',
-        'telephone' => 'setTelephone',
-        'delivery_instructions' => 'setDeliveryInstructions',
-        'expected_arrival_date' => 'setExpectedArrivalDate',
-        'purchase_order_id' => 'setPurchaseOrderId',
-        'currency_rate' => 'setCurrencyRate',
-        'sub_total' => 'setSubTotal',
-        'total_tax' => 'setTotalTax',
-        'total' => 'setTotal',
-        'total_discount' => 'setTotalDiscount',
-        'has_attachments' => 'setHasAttachments',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'status_attribute_string' => 'setStatusAttributeString',
-        'validation_errors' => 'setValidationErrors',
-        'warnings' => 'setWarnings',
-        'attachments' => 'setAttachments'
+        'contact' => 'setContact''line_items' => 'setLineItems''date' => 'setDate''delivery_date' => 'setDeliveryDate''line_amount_types' => 'setLineAmountTypes''purchase_order_number' => 'setPurchaseOrderNumber''reference' => 'setReference''branding_theme_id' => 'setBrandingThemeId''currency_code' => 'setCurrencyCode''status' => 'setStatus''sent_to_contact' => 'setSentToContact''delivery_address' => 'setDeliveryAddress''attention_to' => 'setAttentionTo''telephone' => 'setTelephone''delivery_instructions' => 'setDeliveryInstructions''expected_arrival_date' => 'setExpectedArrivalDate''purchase_order_id' => 'setPurchaseOrderId''currency_rate' => 'setCurrencyRate''sub_total' => 'setSubTotal''total_tax' => 'setTotalTax''total' => 'setTotal''total_discount' => 'setTotalDiscount''has_attachments' => 'setHasAttachments''updated_date_utc' => 'setUpdatedDateUtc''status_attribute_string' => 'setStatusAttributeString''validation_errors' => 'setValidationErrors''warnings' => 'setWarnings''attachments' => 'setAttachments'
     ];
 
     /**
@@ -221,34 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'contact' => 'getContact',
-        'line_items' => 'getLineItems',
-        'date' => 'getDate',
-        'delivery_date' => 'getDeliveryDate',
-        'line_amount_types' => 'getLineAmountTypes',
-        'purchase_order_number' => 'getPurchaseOrderNumber',
-        'reference' => 'getReference',
-        'branding_theme_id' => 'getBrandingThemeId',
-        'currency_code' => 'getCurrencyCode',
-        'status' => 'getStatus',
-        'sent_to_contact' => 'getSentToContact',
-        'delivery_address' => 'getDeliveryAddress',
-        'attention_to' => 'getAttentionTo',
-        'telephone' => 'getTelephone',
-        'delivery_instructions' => 'getDeliveryInstructions',
-        'expected_arrival_date' => 'getExpectedArrivalDate',
-        'purchase_order_id' => 'getPurchaseOrderId',
-        'currency_rate' => 'getCurrencyRate',
-        'sub_total' => 'getSubTotal',
-        'total_tax' => 'getTotalTax',
-        'total' => 'getTotal',
-        'total_discount' => 'getTotalDiscount',
-        'has_attachments' => 'getHasAttachments',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'status_attribute_string' => 'getStatusAttributeString',
-        'validation_errors' => 'getValidationErrors',
-        'warnings' => 'getWarnings',
-        'attachments' => 'getAttachments'
+        'contact' => 'getContact''line_items' => 'getLineItems''date' => 'getDate''delivery_date' => 'getDeliveryDate''line_amount_types' => 'getLineAmountTypes''purchase_order_number' => 'getPurchaseOrderNumber''reference' => 'getReference''branding_theme_id' => 'getBrandingThemeId''currency_code' => 'getCurrencyCode''status' => 'getStatus''sent_to_contact' => 'getSentToContact''delivery_address' => 'getDeliveryAddress''attention_to' => 'getAttentionTo''telephone' => 'getTelephone''delivery_instructions' => 'getDeliveryInstructions''expected_arrival_date' => 'getExpectedArrivalDate''purchase_order_id' => 'getPurchaseOrderId''currency_rate' => 'getCurrencyRate''sub_total' => 'getSubTotal''total_tax' => 'getTotalTax''total' => 'getTotal''total_discount' => 'getTotalDiscount''has_attachments' => 'getHasAttachments''updated_date_utc' => 'getUpdatedDateUtc''status_attribute_string' => 'getStatusAttributeString''validation_errors' => 'getValidationErrors''warnings' => 'getWarnings''attachments' => 'getAttachments'
     ];
 
     /**
@@ -1245,6 +1112,7 @@ public function setAttachments($attachments)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1257,6 +1125,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1270,6 +1139,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1286,6 +1156,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/PurchaseOrders.php b/lib/Models/Accounting/PurchaseOrders.php
index 48b0af30..e6204d02 100644
--- a/lib/Models/Accounting/PurchaseOrders.php
+++ b/lib/Models/Accounting/PurchaseOrders.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PurchaseOrders Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setPurchaseOrders($purchase_orders)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['purchase_orders'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['purchase_orders'][$offset]) ? $this->container['purchase_orders'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['purchase_orders'][$offset]);
diff --git a/lib/Models/Accounting/Quote.php b/lib/Models/Accounting/Quote.php
index dd8bcad3..1db7a549 100644
--- a/lib/Models/Accounting/Quote.php
+++ b/lib/Models/Accounting/Quote.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Quote Class Doc Comment
  *
@@ -56,30 +58,7 @@ class Quote implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'quote_id' => 'string',
-        'quote_number' => 'string',
-        'reference' => 'string',
-        'terms' => 'string',
-        'contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact',
-        'line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]',
-        'date' => 'string',
-        'date_string' => 'string',
-        'expiry_date' => 'string',
-        'expiry_date_string' => 'string',
-        'status' => '\XeroAPI\XeroPHP\Models\Accounting\QuoteStatusCodes',
-        'currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode',
-        'currency_rate' => 'double',
-        'sub_total' => 'double',
-        'total_tax' => 'double',
-        'total' => 'double',
-        'total_discount' => 'double',
-        'title' => 'string',
-        'summary' => 'string',
-        'branding_theme_id' => 'string',
-        'updated_date_utc' => 'string',
-        'line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\QuoteLineAmountTypes',
-        'status_attribute_string' => 'string',
-        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
+        'quote_id' => 'string''quote_number' => 'string''reference' => 'string''terms' => 'string''contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact''line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]''date' => 'string''date_string' => 'string''expiry_date' => 'string''expiry_date_string' => 'string''status' => '\XeroAPI\XeroPHP\Models\Accounting\QuoteStatusCodes''currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode''currency_rate' => 'double''sub_total' => 'double''total_tax' => 'double''total' => 'double''total_discount' => 'double''title' => 'string''summary' => 'string''branding_theme_id' => 'string''updated_date_utc' => 'string''line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\QuoteLineAmountTypes''status_attribute_string' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
     ];
 
     /**
@@ -88,30 +67,7 @@ class Quote implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'quote_id' => 'uuid',
-        'quote_number' => null,
-        'reference' => null,
-        'terms' => null,
-        'contact' => null,
-        'line_items' => null,
-        'date' => null,
-        'date_string' => null,
-        'expiry_date' => null,
-        'expiry_date_string' => null,
-        'status' => null,
-        'currency_code' => null,
-        'currency_rate' => 'double',
-        'sub_total' => 'double',
-        'total_tax' => 'double',
-        'total' => 'double',
-        'total_discount' => 'double',
-        'title' => null,
-        'summary' => null,
-        'branding_theme_id' => 'uuid',
-        'updated_date_utc' => null,
-        'line_amount_types' => null,
-        'status_attribute_string' => null,
-        'validation_errors' => null
+        'quote_id' => 'uuid''quote_number' => null'reference' => null'terms' => null'contact' => null'line_items' => null'date' => null'date_string' => null'expiry_date' => null'expiry_date_string' => null'status' => null'currency_code' => null'currency_rate' => 'double''sub_total' => 'double''total_tax' => 'double''total' => 'double''total_discount' => 'double''title' => null'summary' => null'branding_theme_id' => 'uuid''updated_date_utc' => null'line_amount_types' => null'status_attribute_string' => null'validation_errors' => null
     ];
 
     /**
@@ -141,30 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'quote_id' => 'QuoteID',
-        'quote_number' => 'QuoteNumber',
-        'reference' => 'Reference',
-        'terms' => 'Terms',
-        'contact' => 'Contact',
-        'line_items' => 'LineItems',
-        'date' => 'Date',
-        'date_string' => 'DateString',
-        'expiry_date' => 'ExpiryDate',
-        'expiry_date_string' => 'ExpiryDateString',
-        'status' => 'Status',
-        'currency_code' => 'CurrencyCode',
-        'currency_rate' => 'CurrencyRate',
-        'sub_total' => 'SubTotal',
-        'total_tax' => 'TotalTax',
-        'total' => 'Total',
-        'total_discount' => 'TotalDiscount',
-        'title' => 'Title',
-        'summary' => 'Summary',
-        'branding_theme_id' => 'BrandingThemeID',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'line_amount_types' => 'LineAmountTypes',
-        'status_attribute_string' => 'StatusAttributeString',
-        'validation_errors' => 'ValidationErrors'
+        'quote_id' => 'QuoteID''quote_number' => 'QuoteNumber''reference' => 'Reference''terms' => 'Terms''contact' => 'Contact''line_items' => 'LineItems''date' => 'Date''date_string' => 'DateString''expiry_date' => 'ExpiryDate''expiry_date_string' => 'ExpiryDateString''status' => 'Status''currency_code' => 'CurrencyCode''currency_rate' => 'CurrencyRate''sub_total' => 'SubTotal''total_tax' => 'TotalTax''total' => 'Total''total_discount' => 'TotalDiscount''title' => 'Title''summary' => 'Summary''branding_theme_id' => 'BrandingThemeID''updated_date_utc' => 'UpdatedDateUTC''line_amount_types' => 'LineAmountTypes''status_attribute_string' => 'StatusAttributeString''validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -173,30 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'quote_id' => 'setQuoteId',
-        'quote_number' => 'setQuoteNumber',
-        'reference' => 'setReference',
-        'terms' => 'setTerms',
-        'contact' => 'setContact',
-        'line_items' => 'setLineItems',
-        'date' => 'setDate',
-        'date_string' => 'setDateString',
-        'expiry_date' => 'setExpiryDate',
-        'expiry_date_string' => 'setExpiryDateString',
-        'status' => 'setStatus',
-        'currency_code' => 'setCurrencyCode',
-        'currency_rate' => 'setCurrencyRate',
-        'sub_total' => 'setSubTotal',
-        'total_tax' => 'setTotalTax',
-        'total' => 'setTotal',
-        'total_discount' => 'setTotalDiscount',
-        'title' => 'setTitle',
-        'summary' => 'setSummary',
-        'branding_theme_id' => 'setBrandingThemeId',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'line_amount_types' => 'setLineAmountTypes',
-        'status_attribute_string' => 'setStatusAttributeString',
-        'validation_errors' => 'setValidationErrors'
+        'quote_id' => 'setQuoteId''quote_number' => 'setQuoteNumber''reference' => 'setReference''terms' => 'setTerms''contact' => 'setContact''line_items' => 'setLineItems''date' => 'setDate''date_string' => 'setDateString''expiry_date' => 'setExpiryDate''expiry_date_string' => 'setExpiryDateString''status' => 'setStatus''currency_code' => 'setCurrencyCode''currency_rate' => 'setCurrencyRate''sub_total' => 'setSubTotal''total_tax' => 'setTotalTax''total' => 'setTotal''total_discount' => 'setTotalDiscount''title' => 'setTitle''summary' => 'setSummary''branding_theme_id' => 'setBrandingThemeId''updated_date_utc' => 'setUpdatedDateUtc''line_amount_types' => 'setLineAmountTypes''status_attribute_string' => 'setStatusAttributeString''validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -205,30 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'quote_id' => 'getQuoteId',
-        'quote_number' => 'getQuoteNumber',
-        'reference' => 'getReference',
-        'terms' => 'getTerms',
-        'contact' => 'getContact',
-        'line_items' => 'getLineItems',
-        'date' => 'getDate',
-        'date_string' => 'getDateString',
-        'expiry_date' => 'getExpiryDate',
-        'expiry_date_string' => 'getExpiryDateString',
-        'status' => 'getStatus',
-        'currency_code' => 'getCurrencyCode',
-        'currency_rate' => 'getCurrencyRate',
-        'sub_total' => 'getSubTotal',
-        'total_tax' => 'getTotalTax',
-        'total' => 'getTotal',
-        'total_discount' => 'getTotalDiscount',
-        'title' => 'getTitle',
-        'summary' => 'getSummary',
-        'branding_theme_id' => 'getBrandingThemeId',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'line_amount_types' => 'getLineAmountTypes',
-        'status_attribute_string' => 'getStatusAttributeString',
-        'validation_errors' => 'getValidationErrors'
+        'quote_id' => 'getQuoteId''quote_number' => 'getQuoteNumber''reference' => 'getReference''terms' => 'getTerms''contact' => 'getContact''line_items' => 'getLineItems''date' => 'getDate''date_string' => 'getDateString''expiry_date' => 'getExpiryDate''expiry_date_string' => 'getExpiryDateString''status' => 'getStatus''currency_code' => 'getCurrencyCode''currency_rate' => 'getCurrencyRate''sub_total' => 'getSubTotal''total_tax' => 'getTotalTax''total' => 'getTotal''total_discount' => 'getTotalDiscount''title' => 'getTitle''summary' => 'getSummary''branding_theme_id' => 'getBrandingThemeId''updated_date_utc' => 'getUpdatedDateUtc''line_amount_types' => 'getLineAmountTypes''status_attribute_string' => 'getStatusAttributeString''validation_errors' => 'getValidationErrors'
     ];
 
     /**
@@ -1090,6 +977,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1102,6 +990,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1115,6 +1004,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1131,6 +1021,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/QuoteLineAmountTypes.php b/lib/Models/Accounting/QuoteLineAmountTypes.php
index d95ae73a..88299781 100644
--- a/lib/Models/Accounting/QuoteLineAmountTypes.php
+++ b/lib/Models/Accounting/QuoteLineAmountTypes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\Accounting;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * QuoteLineAmountTypes Class Doc Comment
  *
diff --git a/lib/Models/Accounting/QuoteStatusCodes.php b/lib/Models/Accounting/QuoteStatusCodes.php
index 2f005f74..d76cbec5 100644
--- a/lib/Models/Accounting/QuoteStatusCodes.php
+++ b/lib/Models/Accounting/QuoteStatusCodes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\Accounting;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * QuoteStatusCodes Class Doc Comment
  *
diff --git a/lib/Models/Accounting/Quotes.php b/lib/Models/Accounting/Quotes.php
index ac2ed774..f35a1c6b 100644
--- a/lib/Models/Accounting/Quotes.php
+++ b/lib/Models/Accounting/Quotes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Quotes Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setQuotes($quotes)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['quotes'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['quotes'][$offset]) ? $this->container['quotes'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['quotes'][$offset]);
diff --git a/lib/Models/Accounting/Receipt.php b/lib/Models/Accounting/Receipt.php
index eb648d93..5bda0b56 100644
--- a/lib/Models/Accounting/Receipt.php
+++ b/lib/Models/Accounting/Receipt.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Receipt Class Doc Comment
  *
@@ -56,24 +58,7 @@ class Receipt implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'date' => 'string',
-        'contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact',
-        'line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]',
-        'user' => '\XeroAPI\XeroPHP\Models\Accounting\User',
-        'reference' => 'string',
-        'line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes',
-        'sub_total' => 'double',
-        'total_tax' => 'double',
-        'total' => 'double',
-        'receipt_id' => 'string',
-        'status' => 'string',
-        'receipt_number' => 'string',
-        'updated_date_utc' => 'string',
-        'has_attachments' => 'bool',
-        'url' => 'string',
-        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]',
-        'warnings' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]',
-        'attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]'
+        'date' => 'string''contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact''line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]''user' => '\XeroAPI\XeroPHP\Models\Accounting\User''reference' => 'string''line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes''sub_total' => 'double''total_tax' => 'double''total' => 'double''receipt_id' => 'string''status' => 'string''receipt_number' => 'string''updated_date_utc' => 'string''has_attachments' => 'bool''url' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]''warnings' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]''attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]'
     ];
 
     /**
@@ -82,24 +67,7 @@ class Receipt implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'date' => null,
-        'contact' => null,
-        'line_items' => null,
-        'user' => null,
-        'reference' => null,
-        'line_amount_types' => null,
-        'sub_total' => 'double',
-        'total_tax' => 'double',
-        'total' => 'double',
-        'receipt_id' => 'uuid',
-        'status' => null,
-        'receipt_number' => null,
-        'updated_date_utc' => null,
-        'has_attachments' => null,
-        'url' => null,
-        'validation_errors' => null,
-        'warnings' => null,
-        'attachments' => null
+        'date' => null'contact' => null'line_items' => null'user' => null'reference' => null'line_amount_types' => null'sub_total' => 'double''total_tax' => 'double''total' => 'double''receipt_id' => 'uuid''status' => null'receipt_number' => null'updated_date_utc' => null'has_attachments' => null'url' => null'validation_errors' => null'warnings' => null'attachments' => null
     ];
 
     /**
@@ -129,24 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'date' => 'Date',
-        'contact' => 'Contact',
-        'line_items' => 'LineItems',
-        'user' => 'User',
-        'reference' => 'Reference',
-        'line_amount_types' => 'LineAmountTypes',
-        'sub_total' => 'SubTotal',
-        'total_tax' => 'TotalTax',
-        'total' => 'Total',
-        'receipt_id' => 'ReceiptID',
-        'status' => 'Status',
-        'receipt_number' => 'ReceiptNumber',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'has_attachments' => 'HasAttachments',
-        'url' => 'Url',
-        'validation_errors' => 'ValidationErrors',
-        'warnings' => 'Warnings',
-        'attachments' => 'Attachments'
+        'date' => 'Date''contact' => 'Contact''line_items' => 'LineItems''user' => 'User''reference' => 'Reference''line_amount_types' => 'LineAmountTypes''sub_total' => 'SubTotal''total_tax' => 'TotalTax''total' => 'Total''receipt_id' => 'ReceiptID''status' => 'Status''receipt_number' => 'ReceiptNumber''updated_date_utc' => 'UpdatedDateUTC''has_attachments' => 'HasAttachments''url' => 'Url''validation_errors' => 'ValidationErrors''warnings' => 'Warnings''attachments' => 'Attachments'
     ];
 
     /**
@@ -155,24 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'date' => 'setDate',
-        'contact' => 'setContact',
-        'line_items' => 'setLineItems',
-        'user' => 'setUser',
-        'reference' => 'setReference',
-        'line_amount_types' => 'setLineAmountTypes',
-        'sub_total' => 'setSubTotal',
-        'total_tax' => 'setTotalTax',
-        'total' => 'setTotal',
-        'receipt_id' => 'setReceiptId',
-        'status' => 'setStatus',
-        'receipt_number' => 'setReceiptNumber',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'has_attachments' => 'setHasAttachments',
-        'url' => 'setUrl',
-        'validation_errors' => 'setValidationErrors',
-        'warnings' => 'setWarnings',
-        'attachments' => 'setAttachments'
+        'date' => 'setDate''contact' => 'setContact''line_items' => 'setLineItems''user' => 'setUser''reference' => 'setReference''line_amount_types' => 'setLineAmountTypes''sub_total' => 'setSubTotal''total_tax' => 'setTotalTax''total' => 'setTotal''receipt_id' => 'setReceiptId''status' => 'setStatus''receipt_number' => 'setReceiptNumber''updated_date_utc' => 'setUpdatedDateUtc''has_attachments' => 'setHasAttachments''url' => 'setUrl''validation_errors' => 'setValidationErrors''warnings' => 'setWarnings''attachments' => 'setAttachments'
     ];
 
     /**
@@ -181,24 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'date' => 'getDate',
-        'contact' => 'getContact',
-        'line_items' => 'getLineItems',
-        'user' => 'getUser',
-        'reference' => 'getReference',
-        'line_amount_types' => 'getLineAmountTypes',
-        'sub_total' => 'getSubTotal',
-        'total_tax' => 'getTotalTax',
-        'total' => 'getTotal',
-        'receipt_id' => 'getReceiptId',
-        'status' => 'getStatus',
-        'receipt_number' => 'getReceiptNumber',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'has_attachments' => 'getHasAttachments',
-        'url' => 'getUrl',
-        'validation_errors' => 'getValidationErrors',
-        'warnings' => 'getWarnings',
-        'attachments' => 'getAttachments'
+        'date' => 'getDate''contact' => 'getContact''line_items' => 'getLineItems''user' => 'getUser''reference' => 'getReference''line_amount_types' => 'getLineAmountTypes''sub_total' => 'getSubTotal''total_tax' => 'getTotalTax''total' => 'getTotal''receipt_id' => 'getReceiptId''status' => 'getStatus''receipt_number' => 'getReceiptNumber''updated_date_utc' => 'getUpdatedDateUtc''has_attachments' => 'getHasAttachments''url' => 'getUrl''validation_errors' => 'getValidationErrors''warnings' => 'getWarnings''attachments' => 'getAttachments'
     ];
 
     /**
@@ -865,6 +782,7 @@ public function setAttachments($attachments)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -877,6 +795,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -890,6 +809,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -906,6 +826,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Receipts.php b/lib/Models/Accounting/Receipts.php
index 50ac76b7..76d2acae 100644
--- a/lib/Models/Accounting/Receipts.php
+++ b/lib/Models/Accounting/Receipts.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Receipts Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setReceipts($receipts)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['receipts'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['receipts'][$offset]) ? $this->container['receipts'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['receipts'][$offset]);
diff --git a/lib/Models/Accounting/RepeatingInvoice.php b/lib/Models/Accounting/RepeatingInvoice.php
index d78951aa..5715e8b5 100644
--- a/lib/Models/Accounting/RepeatingInvoice.php
+++ b/lib/Models/Accounting/RepeatingInvoice.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * RepeatingInvoice Class Doc Comment
  *
@@ -56,22 +58,7 @@ class RepeatingInvoice implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'type' => 'string',
-        'contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact',
-        'schedule' => '\XeroAPI\XeroPHP\Models\Accounting\Schedule',
-        'line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]',
-        'line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes',
-        'reference' => 'string',
-        'branding_theme_id' => 'string',
-        'currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode',
-        'status' => 'string',
-        'sub_total' => 'double',
-        'total_tax' => 'double',
-        'total' => 'double',
-        'repeating_invoice_id' => 'string',
-        'id' => 'string',
-        'has_attachments' => 'bool',
-        'attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]'
+        'type' => 'string''contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact''schedule' => '\XeroAPI\XeroPHP\Models\Accounting\Schedule''line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]''line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes''reference' => 'string''branding_theme_id' => 'string''currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode''status' => 'string''sub_total' => 'double''total_tax' => 'double''total' => 'double''repeating_invoice_id' => 'string''id' => 'string''has_attachments' => 'bool''attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]'
     ];
 
     /**
@@ -80,22 +67,7 @@ class RepeatingInvoice implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'type' => null,
-        'contact' => null,
-        'schedule' => null,
-        'line_items' => null,
-        'line_amount_types' => null,
-        'reference' => null,
-        'branding_theme_id' => 'uuid',
-        'currency_code' => null,
-        'status' => null,
-        'sub_total' => 'double',
-        'total_tax' => 'double',
-        'total' => 'double',
-        'repeating_invoice_id' => 'uuid',
-        'id' => 'uuid',
-        'has_attachments' => null,
-        'attachments' => null
+        'type' => null'contact' => null'schedule' => null'line_items' => null'line_amount_types' => null'reference' => null'branding_theme_id' => 'uuid''currency_code' => null'status' => null'sub_total' => 'double''total_tax' => 'double''total' => 'double''repeating_invoice_id' => 'uuid''id' => 'uuid''has_attachments' => null'attachments' => null
     ];
 
     /**
@@ -125,22 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'type' => 'Type',
-        'contact' => 'Contact',
-        'schedule' => 'Schedule',
-        'line_items' => 'LineItems',
-        'line_amount_types' => 'LineAmountTypes',
-        'reference' => 'Reference',
-        'branding_theme_id' => 'BrandingThemeID',
-        'currency_code' => 'CurrencyCode',
-        'status' => 'Status',
-        'sub_total' => 'SubTotal',
-        'total_tax' => 'TotalTax',
-        'total' => 'Total',
-        'repeating_invoice_id' => 'RepeatingInvoiceID',
-        'id' => 'ID',
-        'has_attachments' => 'HasAttachments',
-        'attachments' => 'Attachments'
+        'type' => 'Type''contact' => 'Contact''schedule' => 'Schedule''line_items' => 'LineItems''line_amount_types' => 'LineAmountTypes''reference' => 'Reference''branding_theme_id' => 'BrandingThemeID''currency_code' => 'CurrencyCode''status' => 'Status''sub_total' => 'SubTotal''total_tax' => 'TotalTax''total' => 'Total''repeating_invoice_id' => 'RepeatingInvoiceID''id' => 'ID''has_attachments' => 'HasAttachments''attachments' => 'Attachments'
     ];
 
     /**
@@ -149,22 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'type' => 'setType',
-        'contact' => 'setContact',
-        'schedule' => 'setSchedule',
-        'line_items' => 'setLineItems',
-        'line_amount_types' => 'setLineAmountTypes',
-        'reference' => 'setReference',
-        'branding_theme_id' => 'setBrandingThemeId',
-        'currency_code' => 'setCurrencyCode',
-        'status' => 'setStatus',
-        'sub_total' => 'setSubTotal',
-        'total_tax' => 'setTotalTax',
-        'total' => 'setTotal',
-        'repeating_invoice_id' => 'setRepeatingInvoiceId',
-        'id' => 'setId',
-        'has_attachments' => 'setHasAttachments',
-        'attachments' => 'setAttachments'
+        'type' => 'setType''contact' => 'setContact''schedule' => 'setSchedule''line_items' => 'setLineItems''line_amount_types' => 'setLineAmountTypes''reference' => 'setReference''branding_theme_id' => 'setBrandingThemeId''currency_code' => 'setCurrencyCode''status' => 'setStatus''sub_total' => 'setSubTotal''total_tax' => 'setTotalTax''total' => 'setTotal''repeating_invoice_id' => 'setRepeatingInvoiceId''id' => 'setId''has_attachments' => 'setHasAttachments''attachments' => 'setAttachments'
     ];
 
     /**
@@ -173,22 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'type' => 'getType',
-        'contact' => 'getContact',
-        'schedule' => 'getSchedule',
-        'line_items' => 'getLineItems',
-        'line_amount_types' => 'getLineAmountTypes',
-        'reference' => 'getReference',
-        'branding_theme_id' => 'getBrandingThemeId',
-        'currency_code' => 'getCurrencyCode',
-        'status' => 'getStatus',
-        'sub_total' => 'getSubTotal',
-        'total_tax' => 'getTotalTax',
-        'total' => 'getTotal',
-        'repeating_invoice_id' => 'getRepeatingInvoiceId',
-        'id' => 'getId',
-        'has_attachments' => 'getHasAttachments',
-        'attachments' => 'getAttachments'
+        'type' => 'getType''contact' => 'getContact''schedule' => 'getSchedule''line_items' => 'getLineItems''line_amount_types' => 'getLineAmountTypes''reference' => 'getReference''branding_theme_id' => 'getBrandingThemeId''currency_code' => 'getCurrencyCode''status' => 'getStatus''sub_total' => 'getSubTotal''total_tax' => 'getTotalTax''total' => 'getTotal''repeating_invoice_id' => 'getRepeatingInvoiceId''id' => 'getId''has_attachments' => 'getHasAttachments''attachments' => 'getAttachments'
     ];
 
     /**
@@ -796,6 +723,7 @@ public function setAttachments($attachments)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -808,6 +736,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -821,6 +750,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -837,6 +767,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/RepeatingInvoices.php b/lib/Models/Accounting/RepeatingInvoices.php
index 4117ea8e..96d846e2 100644
--- a/lib/Models/Accounting/RepeatingInvoices.php
+++ b/lib/Models/Accounting/RepeatingInvoices.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * RepeatingInvoices Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setRepeatingInvoices($repeating_invoices)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['repeating_invoices'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['repeating_invoices'][$offset]) ? $this->container['repeating_invoices'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['repeating_invoices'][$offset]);
diff --git a/lib/Models/Accounting/Report.php b/lib/Models/Accounting/Report.php
index 6dd795ad..205ec2d6 100644
--- a/lib/Models/Accounting/Report.php
+++ b/lib/Models/Accounting/Report.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Report Class Doc Comment
  *
@@ -56,12 +58,7 @@ class Report implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'report_name' => 'string',
-        'report_type' => 'string',
-        'report_title' => 'string',
-        'report_date' => 'string',
-        'updated_date_utc' => 'string',
-        'contacts' => '\XeroAPI\XeroPHP\Models\Accounting\TenNinetyNineContact[]'
+        'report_name' => 'string''report_type' => 'string''report_title' => 'string''report_date' => 'string''updated_date_utc' => 'string''contacts' => '\XeroAPI\XeroPHP\Models\Accounting\TenNinetyNineContact[]'
     ];
 
     /**
@@ -70,12 +67,7 @@ class Report implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'report_name' => null,
-        'report_type' => null,
-        'report_title' => null,
-        'report_date' => null,
-        'updated_date_utc' => null,
-        'contacts' => null
+        'report_name' => null'report_type' => null'report_title' => null'report_date' => null'updated_date_utc' => null'contacts' => null
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'report_name' => 'ReportName',
-        'report_type' => 'ReportType',
-        'report_title' => 'ReportTitle',
-        'report_date' => 'ReportDate',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'contacts' => 'Contacts'
+        'report_name' => 'ReportName''report_type' => 'ReportType''report_title' => 'ReportTitle''report_date' => 'ReportDate''updated_date_utc' => 'UpdatedDateUTC''contacts' => 'Contacts'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'report_name' => 'setReportName',
-        'report_type' => 'setReportType',
-        'report_title' => 'setReportTitle',
-        'report_date' => 'setReportDate',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'contacts' => 'setContacts'
+        'report_name' => 'setReportName''report_type' => 'setReportType''report_title' => 'setReportTitle''report_date' => 'setReportDate''updated_date_utc' => 'setUpdatedDateUtc''contacts' => 'setContacts'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'report_name' => 'getReportName',
-        'report_type' => 'getReportType',
-        'report_title' => 'getReportTitle',
-        'report_date' => 'getReportDate',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'contacts' => 'getContacts'
+        'report_name' => 'getReportName''report_type' => 'getReportType''report_title' => 'getReportTitle''report_date' => 'getReportDate''updated_date_utc' => 'getUpdatedDateUtc''contacts' => 'getContacts'
     ];
 
     /**
@@ -438,6 +415,7 @@ public function setContacts($contacts)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -450,6 +428,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -463,6 +442,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -479,6 +459,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ReportAttribute.php b/lib/Models/Accounting/ReportAttribute.php
index 786580c3..0ab7fbca 100644
--- a/lib/Models/Accounting/ReportAttribute.php
+++ b/lib/Models/Accounting/ReportAttribute.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ReportAttribute Class Doc Comment
  *
@@ -56,8 +58,7 @@ class ReportAttribute implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'id' => 'string',
-        'value' => 'string'
+        'id' => 'string''value' => 'string'
     ];
 
     /**
@@ -66,8 +67,7 @@ class ReportAttribute implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'id' => null,
-        'value' => null
+        'id' => null'value' => null
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'id' => 'Id',
-        'value' => 'Value'
+        'id' => 'Id''value' => 'Value'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'id' => 'setId',
-        'value' => 'setValue'
+        'id' => 'setId''value' => 'setValue'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'id' => 'getId',
-        'value' => 'getValue'
+        'id' => 'getId''value' => 'getValue'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setValue($value)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ReportCell.php b/lib/Models/Accounting/ReportCell.php
index 6311f6c2..0d26acf5 100644
--- a/lib/Models/Accounting/ReportCell.php
+++ b/lib/Models/Accounting/ReportCell.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ReportCell Class Doc Comment
  *
@@ -56,8 +58,7 @@ class ReportCell implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'value' => 'string',
-        'attributes' => '\XeroAPI\XeroPHP\Models\Accounting\ReportAttribute[]'
+        'value' => 'string''attributes' => '\XeroAPI\XeroPHP\Models\Accounting\ReportAttribute[]'
     ];
 
     /**
@@ -66,8 +67,7 @@ class ReportCell implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'value' => null,
-        'attributes' => null
+        'value' => null'attributes' => null
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'value' => 'Value',
-        'attributes' => 'Attributes'
+        'value' => 'Value''attributes' => 'Attributes'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'value' => 'setValue',
-        'attributes' => 'setAttributes'
+        'value' => 'setValue''attributes' => 'setAttributes'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'value' => 'getValue',
-        'attributes' => 'getAttributes'
+        'value' => 'getValue''attributes' => 'getAttributes'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setAttributes($attributes)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ReportFields.php b/lib/Models/Accounting/ReportFields.php
index 81d31470..37a55c10 100644
--- a/lib/Models/Accounting/ReportFields.php
+++ b/lib/Models/Accounting/ReportFields.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ReportFields Class Doc Comment
  *
@@ -56,9 +58,7 @@ class ReportFields implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'field_id' => 'string',
-        'description' => 'string',
-        'value' => 'string'
+        'field_id' => 'string''description' => 'string''value' => 'string'
     ];
 
     /**
@@ -67,9 +67,7 @@ class ReportFields implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'field_id' => null,
-        'description' => null,
-        'value' => null
+        'field_id' => null'description' => null'value' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'field_id' => 'FieldID',
-        'description' => 'Description',
-        'value' => 'Value'
+        'field_id' => 'FieldID''description' => 'Description''value' => 'Value'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'field_id' => 'setFieldId',
-        'description' => 'setDescription',
-        'value' => 'setValue'
+        'field_id' => 'setFieldId''description' => 'setDescription''value' => 'setValue'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'field_id' => 'getFieldId',
-        'description' => 'getDescription',
-        'value' => 'getValue'
+        'field_id' => 'getFieldId''description' => 'getDescription''value' => 'getValue'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setValue($value)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ReportRow.php b/lib/Models/Accounting/ReportRow.php
index 9f6c0962..aea16c01 100644
--- a/lib/Models/Accounting/ReportRow.php
+++ b/lib/Models/Accounting/ReportRow.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ReportRow Class Doc Comment
  *
@@ -56,9 +58,7 @@ class ReportRow implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'row_type' => '\XeroAPI\XeroPHP\Models\Accounting\RowType',
-        'title' => 'string',
-        'cells' => '\XeroAPI\XeroPHP\Models\Accounting\ReportCell[]'
+        'row_type' => '\XeroAPI\XeroPHP\Models\Accounting\RowType''title' => 'string''cells' => '\XeroAPI\XeroPHP\Models\Accounting\ReportCell[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class ReportRow implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'row_type' => null,
-        'title' => null,
-        'cells' => null
+        'row_type' => null'title' => null'cells' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'row_type' => 'RowType',
-        'title' => 'Title',
-        'cells' => 'Cells'
+        'row_type' => 'RowType''title' => 'Title''cells' => 'Cells'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'row_type' => 'setRowType',
-        'title' => 'setTitle',
-        'cells' => 'setCells'
+        'row_type' => 'setRowType''title' => 'setTitle''cells' => 'setCells'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'row_type' => 'getRowType',
-        'title' => 'getTitle',
-        'cells' => 'getCells'
+        'row_type' => 'getRowType''title' => 'getTitle''cells' => 'getCells'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setCells($cells)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ReportRows.php b/lib/Models/Accounting/ReportRows.php
index 64d4eeb8..d12ec1fb 100644
--- a/lib/Models/Accounting/ReportRows.php
+++ b/lib/Models/Accounting/ReportRows.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ReportRows Class Doc Comment
  *
@@ -56,10 +58,7 @@ class ReportRows implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'row_type' => '\XeroAPI\XeroPHP\Models\Accounting\RowType',
-        'title' => 'string',
-        'cells' => '\XeroAPI\XeroPHP\Models\Accounting\ReportCell[]',
-        'rows' => '\XeroAPI\XeroPHP\Models\Accounting\ReportRow[]'
+        'row_type' => '\XeroAPI\XeroPHP\Models\Accounting\RowType''title' => 'string''cells' => '\XeroAPI\XeroPHP\Models\Accounting\ReportCell[]''rows' => '\XeroAPI\XeroPHP\Models\Accounting\ReportRow[]'
     ];
 
     /**
@@ -68,10 +67,7 @@ class ReportRows implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'row_type' => null,
-        'title' => null,
-        'cells' => null,
-        'rows' => null
+        'row_type' => null'title' => null'cells' => null'rows' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'row_type' => 'RowType',
-        'title' => 'Title',
-        'cells' => 'Cells',
-        'rows' => 'Rows'
+        'row_type' => 'RowType''title' => 'Title''cells' => 'Cells''rows' => 'Rows'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'row_type' => 'setRowType',
-        'title' => 'setTitle',
-        'cells' => 'setCells',
-        'rows' => 'setRows'
+        'row_type' => 'setRowType''title' => 'setTitle''cells' => 'setCells''rows' => 'setRows'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'row_type' => 'getRowType',
-        'title' => 'getTitle',
-        'cells' => 'getCells',
-        'rows' => 'getRows'
+        'row_type' => 'getRowType''title' => 'getTitle''cells' => 'getCells''rows' => 'getRows'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setRows($rows)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ReportWithRow.php b/lib/Models/Accounting/ReportWithRow.php
index 1bc89c49..0dfeff8c 100644
--- a/lib/Models/Accounting/ReportWithRow.php
+++ b/lib/Models/Accounting/ReportWithRow.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ReportWithRow Class Doc Comment
  *
@@ -56,15 +58,7 @@ class ReportWithRow implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'report_id' => 'string',
-        'report_name' => 'string',
-        'report_title' => 'string',
-        'report_type' => 'string',
-        'report_titles' => 'string[]',
-        'report_date' => 'string',
-        'rows' => '\XeroAPI\XeroPHP\Models\Accounting\ReportRows[]',
-        'updated_date_utc' => 'string',
-        'fields' => '\XeroAPI\XeroPHP\Models\Accounting\ReportFields[]'
+        'report_id' => 'string''report_name' => 'string''report_title' => 'string''report_type' => 'string''report_titles' => 'string[]''report_date' => 'string''rows' => '\XeroAPI\XeroPHP\Models\Accounting\ReportRows[]''updated_date_utc' => 'string''fields' => '\XeroAPI\XeroPHP\Models\Accounting\ReportFields[]'
     ];
 
     /**
@@ -73,15 +67,7 @@ class ReportWithRow implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'report_id' => null,
-        'report_name' => null,
-        'report_title' => null,
-        'report_type' => null,
-        'report_titles' => null,
-        'report_date' => null,
-        'rows' => null,
-        'updated_date_utc' => null,
-        'fields' => null
+        'report_id' => null'report_name' => null'report_title' => null'report_type' => null'report_titles' => null'report_date' => null'rows' => null'updated_date_utc' => null'fields' => null
     ];
 
     /**
@@ -111,15 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'report_id' => 'ReportID',
-        'report_name' => 'ReportName',
-        'report_title' => 'ReportTitle',
-        'report_type' => 'ReportType',
-        'report_titles' => 'ReportTitles',
-        'report_date' => 'ReportDate',
-        'rows' => 'Rows',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'fields' => 'Fields'
+        'report_id' => 'ReportID''report_name' => 'ReportName''report_title' => 'ReportTitle''report_type' => 'ReportType''report_titles' => 'ReportTitles''report_date' => 'ReportDate''rows' => 'Rows''updated_date_utc' => 'UpdatedDateUTC''fields' => 'Fields'
     ];
 
     /**
@@ -128,15 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'report_id' => 'setReportId',
-        'report_name' => 'setReportName',
-        'report_title' => 'setReportTitle',
-        'report_type' => 'setReportType',
-        'report_titles' => 'setReportTitles',
-        'report_date' => 'setReportDate',
-        'rows' => 'setRows',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'fields' => 'setFields'
+        'report_id' => 'setReportId''report_name' => 'setReportName''report_title' => 'setReportTitle''report_type' => 'setReportType''report_titles' => 'setReportTitles''report_date' => 'setReportDate''rows' => 'setRows''updated_date_utc' => 'setUpdatedDateUtc''fields' => 'setFields'
     ];
 
     /**
@@ -145,15 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'report_id' => 'getReportId',
-        'report_name' => 'getReportName',
-        'report_title' => 'getReportTitle',
-        'report_type' => 'getReportType',
-        'report_titles' => 'getReportTitles',
-        'report_date' => 'getReportDate',
-        'rows' => 'getRows',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'fields' => 'getFields'
+        'report_id' => 'getReportId''report_name' => 'getReportName''report_title' => 'getReportTitle''report_type' => 'getReportType''report_titles' => 'getReportTitles''report_date' => 'getReportDate''rows' => 'getRows''updated_date_utc' => 'getUpdatedDateUtc''fields' => 'getFields'
     ];
 
     /**
@@ -507,6 +469,7 @@ public function setFields($fields)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -519,6 +482,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -532,6 +496,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -548,6 +513,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ReportWithRows.php b/lib/Models/Accounting/ReportWithRows.php
index 5db95f0b..51333d19 100644
--- a/lib/Models/Accounting/ReportWithRows.php
+++ b/lib/Models/Accounting/ReportWithRows.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ReportWithRows Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setReports($reports)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Reports.php b/lib/Models/Accounting/Reports.php
index 38265e36..b554765e 100644
--- a/lib/Models/Accounting/Reports.php
+++ b/lib/Models/Accounting/Reports.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Reports Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setReports($reports)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['reports'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['reports'][$offset]) ? $this->container['reports'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['reports'][$offset]);
diff --git a/lib/Models/Accounting/RequestEmpty.php b/lib/Models/Accounting/RequestEmpty.php
index 721323e5..311ba4c1 100644
--- a/lib/Models/Accounting/RequestEmpty.php
+++ b/lib/Models/Accounting/RequestEmpty.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * RequestEmpty Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/RowType.php b/lib/Models/Accounting/RowType.php
index 869c12ce..0f88f32e 100644
--- a/lib/Models/Accounting/RowType.php
+++ b/lib/Models/Accounting/RowType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\Accounting;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * RowType Class Doc Comment
  *
diff --git a/lib/Models/Accounting/SalesTrackingCategory.php b/lib/Models/Accounting/SalesTrackingCategory.php
index 083daf89..b61c61f1 100644
--- a/lib/Models/Accounting/SalesTrackingCategory.php
+++ b/lib/Models/Accounting/SalesTrackingCategory.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * SalesTrackingCategory Class Doc Comment
  *
@@ -56,8 +58,7 @@ class SalesTrackingCategory implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'tracking_category_name' => 'string',
-        'tracking_option_name' => 'string'
+        'tracking_category_name' => 'string''tracking_option_name' => 'string'
     ];
 
     /**
@@ -66,8 +67,7 @@ class SalesTrackingCategory implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'tracking_category_name' => null,
-        'tracking_option_name' => null
+        'tracking_category_name' => null'tracking_option_name' => null
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'tracking_category_name' => 'TrackingCategoryName',
-        'tracking_option_name' => 'TrackingOptionName'
+        'tracking_category_name' => 'TrackingCategoryName''tracking_option_name' => 'TrackingOptionName'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'tracking_category_name' => 'setTrackingCategoryName',
-        'tracking_option_name' => 'setTrackingOptionName'
+        'tracking_category_name' => 'setTrackingCategoryName''tracking_option_name' => 'setTrackingOptionName'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'tracking_category_name' => 'getTrackingCategoryName',
-        'tracking_option_name' => 'getTrackingOptionName'
+        'tracking_category_name' => 'getTrackingCategoryName''tracking_option_name' => 'getTrackingOptionName'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setTrackingOptionName($tracking_option_name)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Schedule.php b/lib/Models/Accounting/Schedule.php
index e48d02c4..409028cd 100644
--- a/lib/Models/Accounting/Schedule.php
+++ b/lib/Models/Accounting/Schedule.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Schedule Class Doc Comment
  *
@@ -56,13 +58,7 @@ class Schedule implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'period' => 'int',
-        'unit' => 'string',
-        'due_date' => 'int',
-        'due_date_type' => 'string',
-        'start_date' => 'string',
-        'next_scheduled_date' => 'string',
-        'end_date' => 'string'
+        'period' => 'int''unit' => 'string''due_date' => 'int''due_date_type' => 'string''start_date' => 'string''next_scheduled_date' => 'string''end_date' => 'string'
     ];
 
     /**
@@ -71,13 +67,7 @@ class Schedule implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'period' => null,
-        'unit' => null,
-        'due_date' => null,
-        'due_date_type' => null,
-        'start_date' => null,
-        'next_scheduled_date' => null,
-        'end_date' => null
+        'period' => null'unit' => null'due_date' => null'due_date_type' => null'start_date' => null'next_scheduled_date' => null'end_date' => null
     ];
 
     /**
@@ -107,13 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'period' => 'Period',
-        'unit' => 'Unit',
-        'due_date' => 'DueDate',
-        'due_date_type' => 'DueDateType',
-        'start_date' => 'StartDate',
-        'next_scheduled_date' => 'NextScheduledDate',
-        'end_date' => 'EndDate'
+        'period' => 'Period''unit' => 'Unit''due_date' => 'DueDate''due_date_type' => 'DueDateType''start_date' => 'StartDate''next_scheduled_date' => 'NextScheduledDate''end_date' => 'EndDate'
     ];
 
     /**
@@ -122,13 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'period' => 'setPeriod',
-        'unit' => 'setUnit',
-        'due_date' => 'setDueDate',
-        'due_date_type' => 'setDueDateType',
-        'start_date' => 'setStartDate',
-        'next_scheduled_date' => 'setNextScheduledDate',
-        'end_date' => 'setEndDate'
+        'period' => 'setPeriod''unit' => 'setUnit''due_date' => 'setDueDate''due_date_type' => 'setDueDateType''start_date' => 'setStartDate''next_scheduled_date' => 'setNextScheduledDate''end_date' => 'setEndDate'
     ];
 
     /**
@@ -137,13 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'period' => 'getPeriod',
-        'unit' => 'getUnit',
-        'due_date' => 'getDueDate',
-        'due_date_type' => 'getDueDateType',
-        'start_date' => 'getStartDate',
-        'next_scheduled_date' => 'getNextScheduledDate',
-        'end_date' => 'getEndDate'
+        'period' => 'getPeriod''unit' => 'getUnit''due_date' => 'getDueDate''due_date_type' => 'getDueDateType''start_date' => 'getStartDate''next_scheduled_date' => 'getNextScheduledDate''end_date' => 'getEndDate'
     ];
 
     /**
@@ -584,6 +556,7 @@ public function setEndDateAsDate($end_date)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -596,6 +569,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -609,6 +583,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -625,6 +600,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Setup.php b/lib/Models/Accounting/Setup.php
index 3ee9cea7..04e35a43 100644
--- a/lib/Models/Accounting/Setup.php
+++ b/lib/Models/Accounting/Setup.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Setup Class Doc Comment
  *
@@ -56,9 +58,7 @@ class Setup implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'conversion_date' => '\XeroAPI\XeroPHP\Models\Accounting\ConversionDate',
-        'conversion_balances' => '\XeroAPI\XeroPHP\Models\Accounting\ConversionBalances[]',
-        'accounts' => '\XeroAPI\XeroPHP\Models\Accounting\Account[]'
+        'conversion_date' => '\XeroAPI\XeroPHP\Models\Accounting\ConversionDate''conversion_balances' => '\XeroAPI\XeroPHP\Models\Accounting\ConversionBalances[]''accounts' => '\XeroAPI\XeroPHP\Models\Accounting\Account[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class Setup implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'conversion_date' => null,
-        'conversion_balances' => null,
-        'accounts' => null
+        'conversion_date' => null'conversion_balances' => null'accounts' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'conversion_date' => 'ConversionDate',
-        'conversion_balances' => 'ConversionBalances',
-        'accounts' => 'Accounts'
+        'conversion_date' => 'ConversionDate''conversion_balances' => 'ConversionBalances''accounts' => 'Accounts'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'conversion_date' => 'setConversionDate',
-        'conversion_balances' => 'setConversionBalances',
-        'accounts' => 'setAccounts'
+        'conversion_date' => 'setConversionDate''conversion_balances' => 'setConversionBalances''accounts' => 'setAccounts'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'conversion_date' => 'getConversionDate',
-        'conversion_balances' => 'getConversionBalances',
-        'accounts' => 'getAccounts'
+        'conversion_date' => 'getConversionDate''conversion_balances' => 'getConversionBalances''accounts' => 'getAccounts'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setAccounts($accounts)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/TaxComponent.php b/lib/Models/Accounting/TaxComponent.php
index c2a731cf..f2f36aeb 100644
--- a/lib/Models/Accounting/TaxComponent.php
+++ b/lib/Models/Accounting/TaxComponent.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TaxComponent Class Doc Comment
  *
@@ -56,10 +58,7 @@ class TaxComponent implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string',
-        'rate' => 'double',
-        'is_compound' => 'bool',
-        'is_non_recoverable' => 'bool'
+        'name' => 'string''rate' => 'double''is_compound' => 'bool''is_non_recoverable' => 'bool'
     ];
 
     /**
@@ -68,10 +67,7 @@ class TaxComponent implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null,
-        'rate' => 'double',
-        'is_compound' => null,
-        'is_non_recoverable' => null
+        'name' => null'rate' => 'double''is_compound' => null'is_non_recoverable' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'Name',
-        'rate' => 'Rate',
-        'is_compound' => 'IsCompound',
-        'is_non_recoverable' => 'IsNonRecoverable'
+        'name' => 'Name''rate' => 'Rate''is_compound' => 'IsCompound''is_non_recoverable' => 'IsNonRecoverable'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName',
-        'rate' => 'setRate',
-        'is_compound' => 'setIsCompound',
-        'is_non_recoverable' => 'setIsNonRecoverable'
+        'name' => 'setName''rate' => 'setRate''is_compound' => 'setIsCompound''is_non_recoverable' => 'setIsNonRecoverable'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName',
-        'rate' => 'getRate',
-        'is_compound' => 'getIsCompound',
-        'is_non_recoverable' => 'getIsNonRecoverable'
+        'name' => 'getName''rate' => 'getRate''is_compound' => 'getIsCompound''is_non_recoverable' => 'getIsNonRecoverable'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setIsNonRecoverable($is_non_recoverable)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/TaxRate.php b/lib/Models/Accounting/TaxRate.php
index 0fc93773..a197e31e 100644
--- a/lib/Models/Accounting/TaxRate.php
+++ b/lib/Models/Accounting/TaxRate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TaxRate Class Doc Comment
  *
@@ -56,18 +58,7 @@ class TaxRate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string',
-        'tax_type' => 'string',
-        'tax_components' => '\XeroAPI\XeroPHP\Models\Accounting\TaxComponent[]',
-        'status' => 'string',
-        'report_tax_type' => 'string',
-        'can_apply_to_assets' => 'bool',
-        'can_apply_to_equity' => 'bool',
-        'can_apply_to_expenses' => 'bool',
-        'can_apply_to_liabilities' => 'bool',
-        'can_apply_to_revenue' => 'bool',
-        'display_tax_rate' => 'double',
-        'effective_rate' => 'double'
+        'name' => 'string''tax_type' => 'string''tax_components' => '\XeroAPI\XeroPHP\Models\Accounting\TaxComponent[]''status' => 'string''report_tax_type' => 'string''can_apply_to_assets' => 'bool''can_apply_to_equity' => 'bool''can_apply_to_expenses' => 'bool''can_apply_to_liabilities' => 'bool''can_apply_to_revenue' => 'bool''display_tax_rate' => 'double''effective_rate' => 'double'
     ];
 
     /**
@@ -76,18 +67,7 @@ class TaxRate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null,
-        'tax_type' => null,
-        'tax_components' => null,
-        'status' => null,
-        'report_tax_type' => null,
-        'can_apply_to_assets' => null,
-        'can_apply_to_equity' => null,
-        'can_apply_to_expenses' => null,
-        'can_apply_to_liabilities' => null,
-        'can_apply_to_revenue' => null,
-        'display_tax_rate' => 'double',
-        'effective_rate' => 'double'
+        'name' => null'tax_type' => null'tax_components' => null'status' => null'report_tax_type' => null'can_apply_to_assets' => null'can_apply_to_equity' => null'can_apply_to_expenses' => null'can_apply_to_liabilities' => null'can_apply_to_revenue' => null'display_tax_rate' => 'double''effective_rate' => 'double'
     ];
 
     /**
@@ -117,18 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'Name',
-        'tax_type' => 'TaxType',
-        'tax_components' => 'TaxComponents',
-        'status' => 'Status',
-        'report_tax_type' => 'ReportTaxType',
-        'can_apply_to_assets' => 'CanApplyToAssets',
-        'can_apply_to_equity' => 'CanApplyToEquity',
-        'can_apply_to_expenses' => 'CanApplyToExpenses',
-        'can_apply_to_liabilities' => 'CanApplyToLiabilities',
-        'can_apply_to_revenue' => 'CanApplyToRevenue',
-        'display_tax_rate' => 'DisplayTaxRate',
-        'effective_rate' => 'EffectiveRate'
+        'name' => 'Name''tax_type' => 'TaxType''tax_components' => 'TaxComponents''status' => 'Status''report_tax_type' => 'ReportTaxType''can_apply_to_assets' => 'CanApplyToAssets''can_apply_to_equity' => 'CanApplyToEquity''can_apply_to_expenses' => 'CanApplyToExpenses''can_apply_to_liabilities' => 'CanApplyToLiabilities''can_apply_to_revenue' => 'CanApplyToRevenue''display_tax_rate' => 'DisplayTaxRate''effective_rate' => 'EffectiveRate'
     ];
 
     /**
@@ -137,18 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName',
-        'tax_type' => 'setTaxType',
-        'tax_components' => 'setTaxComponents',
-        'status' => 'setStatus',
-        'report_tax_type' => 'setReportTaxType',
-        'can_apply_to_assets' => 'setCanApplyToAssets',
-        'can_apply_to_equity' => 'setCanApplyToEquity',
-        'can_apply_to_expenses' => 'setCanApplyToExpenses',
-        'can_apply_to_liabilities' => 'setCanApplyToLiabilities',
-        'can_apply_to_revenue' => 'setCanApplyToRevenue',
-        'display_tax_rate' => 'setDisplayTaxRate',
-        'effective_rate' => 'setEffectiveRate'
+        'name' => 'setName''tax_type' => 'setTaxType''tax_components' => 'setTaxComponents''status' => 'setStatus''report_tax_type' => 'setReportTaxType''can_apply_to_assets' => 'setCanApplyToAssets''can_apply_to_equity' => 'setCanApplyToEquity''can_apply_to_expenses' => 'setCanApplyToExpenses''can_apply_to_liabilities' => 'setCanApplyToLiabilities''can_apply_to_revenue' => 'setCanApplyToRevenue''display_tax_rate' => 'setDisplayTaxRate''effective_rate' => 'setEffectiveRate'
     ];
 
     /**
@@ -157,18 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName',
-        'tax_type' => 'getTaxType',
-        'tax_components' => 'getTaxComponents',
-        'status' => 'getStatus',
-        'report_tax_type' => 'getReportTaxType',
-        'can_apply_to_assets' => 'getCanApplyToAssets',
-        'can_apply_to_equity' => 'getCanApplyToEquity',
-        'can_apply_to_expenses' => 'getCanApplyToExpenses',
-        'can_apply_to_liabilities' => 'getCanApplyToLiabilities',
-        'can_apply_to_revenue' => 'getCanApplyToRevenue',
-        'display_tax_rate' => 'getDisplayTaxRate',
-        'effective_rate' => 'getEffectiveRate'
+        'name' => 'getName''tax_type' => 'getTaxType''tax_components' => 'getTaxComponents''status' => 'getStatus''report_tax_type' => 'getReportTaxType''can_apply_to_assets' => 'getCanApplyToAssets''can_apply_to_equity' => 'getCanApplyToEquity''can_apply_to_expenses' => 'getCanApplyToExpenses''can_apply_to_liabilities' => 'getCanApplyToLiabilities''can_apply_to_revenue' => 'getCanApplyToRevenue''display_tax_rate' => 'getDisplayTaxRate''effective_rate' => 'getEffectiveRate'
     ];
 
     /**
@@ -804,6 +751,7 @@ public function setEffectiveRate($effective_rate)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -816,6 +764,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -829,6 +778,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -845,6 +795,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/TaxRates.php b/lib/Models/Accounting/TaxRates.php
index dec51548..544b9f40 100644
--- a/lib/Models/Accounting/TaxRates.php
+++ b/lib/Models/Accounting/TaxRates.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TaxRates Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setTaxRates($tax_rates)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['tax_rates'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['tax_rates'][$offset]) ? $this->container['tax_rates'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['tax_rates'][$offset]);
diff --git a/lib/Models/Accounting/TaxType.php b/lib/Models/Accounting/TaxType.php
index 21649742..bb7d5382 100644
--- a/lib/Models/Accounting/TaxType.php
+++ b/lib/Models/Accounting/TaxType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\Accounting;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TaxType Class Doc Comment
  *
diff --git a/lib/Models/Accounting/TenNinetyNineContact.php b/lib/Models/Accounting/TenNinetyNineContact.php
index 644bc297..921cfd77 100644
--- a/lib/Models/Accounting/TenNinetyNineContact.php
+++ b/lib/Models/Accounting/TenNinetyNineContact.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TenNinetyNineContact Class Doc Comment
  *
@@ -56,28 +58,7 @@ class TenNinetyNineContact implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'box1' => 'double',
-        'box2' => 'double',
-        'box3' => 'double',
-        'box4' => 'double',
-        'box5' => 'double',
-        'box6' => 'double',
-        'box7' => 'double',
-        'box8' => 'double',
-        'box9' => 'double',
-        'box10' => 'double',
-        'box11' => 'double',
-        'box13' => 'double',
-        'box14' => 'double',
-        'name' => 'string',
-        'federal_tax_id_type' => 'string',
-        'city' => 'string',
-        'zip' => 'string',
-        'state' => 'string',
-        'email' => 'string',
-        'street_address' => 'string',
-        'tax_id' => 'string',
-        'contact_id' => 'string'
+        'box1' => 'double''box2' => 'double''box3' => 'double''box4' => 'double''box5' => 'double''box6' => 'double''box7' => 'double''box8' => 'double''box9' => 'double''box10' => 'double''box11' => 'double''box13' => 'double''box14' => 'double''name' => 'string''federal_tax_id_type' => 'string''city' => 'string''zip' => 'string''state' => 'string''email' => 'string''street_address' => 'string''tax_id' => 'string''contact_id' => 'string'
     ];
 
     /**
@@ -86,28 +67,7 @@ class TenNinetyNineContact implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'box1' => 'double',
-        'box2' => 'double',
-        'box3' => 'double',
-        'box4' => 'double',
-        'box5' => 'double',
-        'box6' => 'double',
-        'box7' => 'double',
-        'box8' => 'double',
-        'box9' => 'double',
-        'box10' => 'double',
-        'box11' => 'double',
-        'box13' => 'double',
-        'box14' => 'double',
-        'name' => null,
-        'federal_tax_id_type' => null,
-        'city' => null,
-        'zip' => null,
-        'state' => null,
-        'email' => null,
-        'street_address' => null,
-        'tax_id' => null,
-        'contact_id' => 'uuid'
+        'box1' => 'double''box2' => 'double''box3' => 'double''box4' => 'double''box5' => 'double''box6' => 'double''box7' => 'double''box8' => 'double''box9' => 'double''box10' => 'double''box11' => 'double''box13' => 'double''box14' => 'double''name' => null'federal_tax_id_type' => null'city' => null'zip' => null'state' => null'email' => null'street_address' => null'tax_id' => null'contact_id' => 'uuid'
     ];
 
     /**
@@ -137,28 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'box1' => 'Box1',
-        'box2' => 'Box2',
-        'box3' => 'Box3',
-        'box4' => 'Box4',
-        'box5' => 'Box5',
-        'box6' => 'Box6',
-        'box7' => 'Box7',
-        'box8' => 'Box8',
-        'box9' => 'Box9',
-        'box10' => 'Box10',
-        'box11' => 'Box11',
-        'box13' => 'Box13',
-        'box14' => 'Box14',
-        'name' => 'Name',
-        'federal_tax_id_type' => 'FederalTaxIDType',
-        'city' => 'City',
-        'zip' => 'Zip',
-        'state' => 'State',
-        'email' => 'Email',
-        'street_address' => 'StreetAddress',
-        'tax_id' => 'TaxID',
-        'contact_id' => 'ContactId'
+        'box1' => 'Box1''box2' => 'Box2''box3' => 'Box3''box4' => 'Box4''box5' => 'Box5''box6' => 'Box6''box7' => 'Box7''box8' => 'Box8''box9' => 'Box9''box10' => 'Box10''box11' => 'Box11''box13' => 'Box13''box14' => 'Box14''name' => 'Name''federal_tax_id_type' => 'FederalTaxIDType''city' => 'City''zip' => 'Zip''state' => 'State''email' => 'Email''street_address' => 'StreetAddress''tax_id' => 'TaxID''contact_id' => 'ContactId'
     ];
 
     /**
@@ -167,28 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'box1' => 'setBox1',
-        'box2' => 'setBox2',
-        'box3' => 'setBox3',
-        'box4' => 'setBox4',
-        'box5' => 'setBox5',
-        'box6' => 'setBox6',
-        'box7' => 'setBox7',
-        'box8' => 'setBox8',
-        'box9' => 'setBox9',
-        'box10' => 'setBox10',
-        'box11' => 'setBox11',
-        'box13' => 'setBox13',
-        'box14' => 'setBox14',
-        'name' => 'setName',
-        'federal_tax_id_type' => 'setFederalTaxIdType',
-        'city' => 'setCity',
-        'zip' => 'setZip',
-        'state' => 'setState',
-        'email' => 'setEmail',
-        'street_address' => 'setStreetAddress',
-        'tax_id' => 'setTaxId',
-        'contact_id' => 'setContactId'
+        'box1' => 'setBox1''box2' => 'setBox2''box3' => 'setBox3''box4' => 'setBox4''box5' => 'setBox5''box6' => 'setBox6''box7' => 'setBox7''box8' => 'setBox8''box9' => 'setBox9''box10' => 'setBox10''box11' => 'setBox11''box13' => 'setBox13''box14' => 'setBox14''name' => 'setName''federal_tax_id_type' => 'setFederalTaxIdType''city' => 'setCity''zip' => 'setZip''state' => 'setState''email' => 'setEmail''street_address' => 'setStreetAddress''tax_id' => 'setTaxId''contact_id' => 'setContactId'
     ];
 
     /**
@@ -197,28 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'box1' => 'getBox1',
-        'box2' => 'getBox2',
-        'box3' => 'getBox3',
-        'box4' => 'getBox4',
-        'box5' => 'getBox5',
-        'box6' => 'getBox6',
-        'box7' => 'getBox7',
-        'box8' => 'getBox8',
-        'box9' => 'getBox9',
-        'box10' => 'getBox10',
-        'box11' => 'getBox11',
-        'box13' => 'getBox13',
-        'box14' => 'getBox14',
-        'name' => 'getName',
-        'federal_tax_id_type' => 'getFederalTaxIdType',
-        'city' => 'getCity',
-        'zip' => 'getZip',
-        'state' => 'getState',
-        'email' => 'getEmail',
-        'street_address' => 'getStreetAddress',
-        'tax_id' => 'getTaxId',
-        'contact_id' => 'getContactId'
+        'box1' => 'getBox1''box2' => 'getBox2''box3' => 'getBox3''box4' => 'getBox4''box5' => 'getBox5''box6' => 'getBox6''box7' => 'getBox7''box8' => 'getBox8''box9' => 'getBox9''box10' => 'getBox10''box11' => 'getBox11''box13' => 'getBox13''box14' => 'getBox14''name' => 'getName''federal_tax_id_type' => 'getFederalTaxIdType''city' => 'getCity''zip' => 'getZip''state' => 'getState''email' => 'getEmail''street_address' => 'getStreetAddress''tax_id' => 'getTaxId''contact_id' => 'getContactId'
     ];
 
     /**
@@ -929,6 +826,7 @@ public function setContactId($contact_id)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -941,6 +839,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -954,6 +853,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -970,6 +870,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/TimeZone.php b/lib/Models/Accounting/TimeZone.php
index 56f7a1af..ec82fd81 100644
--- a/lib/Models/Accounting/TimeZone.php
+++ b/lib/Models/Accounting/TimeZone.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\Accounting;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TimeZone Class Doc Comment
  *
diff --git a/lib/Models/Accounting/TrackingCategories.php b/lib/Models/Accounting/TrackingCategories.php
index 863785b4..c79b07ff 100644
--- a/lib/Models/Accounting/TrackingCategories.php
+++ b/lib/Models/Accounting/TrackingCategories.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TrackingCategories Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setTrackingCategories($tracking_categories)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['tracking_categories'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['tracking_categories'][$offset]) ? $this->container['tracking_categories'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['tracking_categories'][$offset]);
diff --git a/lib/Models/Accounting/TrackingCategory.php b/lib/Models/Accounting/TrackingCategory.php
index 01c2de31..3c097c06 100644
--- a/lib/Models/Accounting/TrackingCategory.php
+++ b/lib/Models/Accounting/TrackingCategory.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TrackingCategory Class Doc Comment
  *
@@ -56,12 +58,7 @@ class TrackingCategory implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'tracking_category_id' => 'string',
-        'tracking_option_id' => 'string',
-        'name' => 'string',
-        'option' => 'string',
-        'status' => 'string',
-        'options' => '\XeroAPI\XeroPHP\Models\Accounting\TrackingOption[]'
+        'tracking_category_id' => 'string''tracking_option_id' => 'string''name' => 'string''option' => 'string''status' => 'string''options' => '\XeroAPI\XeroPHP\Models\Accounting\TrackingOption[]'
     ];
 
     /**
@@ -70,12 +67,7 @@ class TrackingCategory implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'tracking_category_id' => 'uuid',
-        'tracking_option_id' => 'uuid',
-        'name' => null,
-        'option' => null,
-        'status' => null,
-        'options' => null
+        'tracking_category_id' => 'uuid''tracking_option_id' => 'uuid''name' => null'option' => null'status' => null'options' => null
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'tracking_category_id' => 'TrackingCategoryID',
-        'tracking_option_id' => 'TrackingOptionID',
-        'name' => 'Name',
-        'option' => 'Option',
-        'status' => 'Status',
-        'options' => 'Options'
+        'tracking_category_id' => 'TrackingCategoryID''tracking_option_id' => 'TrackingOptionID''name' => 'Name''option' => 'Option''status' => 'Status''options' => 'Options'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'tracking_category_id' => 'setTrackingCategoryId',
-        'tracking_option_id' => 'setTrackingOptionId',
-        'name' => 'setName',
-        'option' => 'setOption',
-        'status' => 'setStatus',
-        'options' => 'setOptions'
+        'tracking_category_id' => 'setTrackingCategoryId''tracking_option_id' => 'setTrackingOptionId''name' => 'setName''option' => 'setOption''status' => 'setStatus''options' => 'setOptions'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'tracking_category_id' => 'getTrackingCategoryId',
-        'tracking_option_id' => 'getTrackingOptionId',
-        'name' => 'getName',
-        'option' => 'getOption',
-        'status' => 'getStatus',
-        'options' => 'getOptions'
+        'tracking_category_id' => 'getTrackingCategoryId''tracking_option_id' => 'getTrackingOptionId''name' => 'getName''option' => 'getOption''status' => 'getStatus''options' => 'getOptions'
     ];
 
     /**
@@ -451,6 +428,7 @@ public function setOptions($options)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -463,6 +441,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -476,6 +455,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -492,6 +472,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/TrackingOption.php b/lib/Models/Accounting/TrackingOption.php
index 3b2404f4..b0663b40 100644
--- a/lib/Models/Accounting/TrackingOption.php
+++ b/lib/Models/Accounting/TrackingOption.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TrackingOption Class Doc Comment
  *
@@ -56,10 +58,7 @@ class TrackingOption implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'tracking_option_id' => 'string',
-        'name' => 'string',
-        'status' => 'string',
-        'tracking_category_id' => 'string'
+        'tracking_option_id' => 'string''name' => 'string''status' => 'string''tracking_category_id' => 'string'
     ];
 
     /**
@@ -68,10 +67,7 @@ class TrackingOption implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'tracking_option_id' => 'uuid',
-        'name' => null,
-        'status' => null,
-        'tracking_category_id' => 'uuid'
+        'tracking_option_id' => 'uuid''name' => null'status' => null'tracking_category_id' => 'uuid'
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'tracking_option_id' => 'TrackingOptionID',
-        'name' => 'Name',
-        'status' => 'Status',
-        'tracking_category_id' => 'TrackingCategoryID'
+        'tracking_option_id' => 'TrackingOptionID''name' => 'Name''status' => 'Status''tracking_category_id' => 'TrackingCategoryID'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'tracking_option_id' => 'setTrackingOptionId',
-        'name' => 'setName',
-        'status' => 'setStatus',
-        'tracking_category_id' => 'setTrackingCategoryId'
+        'tracking_option_id' => 'setTrackingOptionId''name' => 'setName''status' => 'setStatus''tracking_category_id' => 'setTrackingCategoryId'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'tracking_option_id' => 'getTrackingOptionId',
-        'name' => 'getName',
-        'status' => 'getStatus',
-        'tracking_category_id' => 'getTrackingCategoryId'
+        'tracking_option_id' => 'getTrackingOptionId''name' => 'getName''status' => 'getStatus''tracking_category_id' => 'getTrackingCategoryId'
     ];
 
     /**
@@ -377,6 +364,7 @@ public function setTrackingCategoryId($tracking_category_id)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -389,6 +377,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -402,6 +391,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -418,6 +408,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/TrackingOptions.php b/lib/Models/Accounting/TrackingOptions.php
index 3db7073d..a7614d7f 100644
--- a/lib/Models/Accounting/TrackingOptions.php
+++ b/lib/Models/Accounting/TrackingOptions.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TrackingOptions Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setOptions($options)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['options'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['options'][$offset]) ? $this->container['options'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['options'][$offset]);
diff --git a/lib/Models/Accounting/User.php b/lib/Models/Accounting/User.php
index f5b02924..30652f2b 100644
--- a/lib/Models/Accounting/User.php
+++ b/lib/Models/Accounting/User.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * User Class Doc Comment
  *
@@ -56,13 +58,7 @@ class User implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'user_id' => 'string',
-        'email_address' => 'string',
-        'first_name' => 'string',
-        'last_name' => 'string',
-        'updated_date_utc' => 'string',
-        'is_subscriber' => 'bool',
-        'organisation_role' => 'string'
+        'user_id' => 'string''email_address' => 'string''first_name' => 'string''last_name' => 'string''updated_date_utc' => 'string''is_subscriber' => 'bool''organisation_role' => 'string'
     ];
 
     /**
@@ -71,13 +67,7 @@ class User implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'user_id' => 'uuid',
-        'email_address' => null,
-        'first_name' => null,
-        'last_name' => null,
-        'updated_date_utc' => null,
-        'is_subscriber' => null,
-        'organisation_role' => null
+        'user_id' => 'uuid''email_address' => null'first_name' => null'last_name' => null'updated_date_utc' => null'is_subscriber' => null'organisation_role' => null
     ];
 
     /**
@@ -107,13 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'user_id' => 'UserID',
-        'email_address' => 'EmailAddress',
-        'first_name' => 'FirstName',
-        'last_name' => 'LastName',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'is_subscriber' => 'IsSubscriber',
-        'organisation_role' => 'OrganisationRole'
+        'user_id' => 'UserID''email_address' => 'EmailAddress''first_name' => 'FirstName''last_name' => 'LastName''updated_date_utc' => 'UpdatedDateUTC''is_subscriber' => 'IsSubscriber''organisation_role' => 'OrganisationRole'
     ];
 
     /**
@@ -122,13 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'user_id' => 'setUserId',
-        'email_address' => 'setEmailAddress',
-        'first_name' => 'setFirstName',
-        'last_name' => 'setLastName',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'is_subscriber' => 'setIsSubscriber',
-        'organisation_role' => 'setOrganisationRole'
+        'user_id' => 'setUserId''email_address' => 'setEmailAddress''first_name' => 'setFirstName''last_name' => 'setLastName''updated_date_utc' => 'setUpdatedDateUtc''is_subscriber' => 'setIsSubscriber''organisation_role' => 'setOrganisationRole'
     ];
 
     /**
@@ -137,13 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'user_id' => 'getUserId',
-        'email_address' => 'getEmailAddress',
-        'first_name' => 'getFirstName',
-        'last_name' => 'getLastName',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'is_subscriber' => 'getIsSubscriber',
-        'organisation_role' => 'getOrganisationRole'
+        'user_id' => 'getUserId''email_address' => 'getEmailAddress''first_name' => 'getFirstName''last_name' => 'getLastName''updated_date_utc' => 'getUpdatedDateUtc''is_subscriber' => 'getIsSubscriber''organisation_role' => 'getOrganisationRole'
     ];
 
     /**
@@ -483,6 +455,7 @@ public function setOrganisationRole($organisation_role)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -495,6 +468,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -508,6 +482,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -524,6 +499,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Users.php b/lib/Models/Accounting/Users.php
index 615e0419..19185c4d 100644
--- a/lib/Models/Accounting/Users.php
+++ b/lib/Models/Accounting/Users.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Users Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setUsers($users)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['users'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['users'][$offset]) ? $this->container['users'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['users'][$offset]);
diff --git a/lib/Models/Accounting/ValidationError.php b/lib/Models/Accounting/ValidationError.php
index baa82913..6c6fc13e 100644
--- a/lib/Models/Accounting/ValidationError.php
+++ b/lib/Models/Accounting/ValidationError.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ValidationError Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setMessage($message)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/AppStore/ModelInterface.php b/lib/Models/AppStore/ModelInterface.php
index 6cbbb19b..c13660f2 100644
--- a/lib/Models/AppStore/ModelInterface.php
+++ b/lib/Models/AppStore/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/AppStore/Plan.php b/lib/Models/AppStore/Plan.php
index f636ff95..9581e689 100644
--- a/lib/Models/AppStore/Plan.php
+++ b/lib/Models/AppStore/Plan.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AppStoreObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Plan Class Doc Comment
  *
@@ -56,10 +58,7 @@ class Plan implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'id' => 'string',
-        'name' => 'string',
-        'status' => 'string',
-        'subscription_items' => '\XeroAPI\XeroPHP\Models\AppStore\SubscriptionItem[]'
+        'id' => 'string''name' => 'string''status' => 'string''subscription_items' => '\XeroAPI\XeroPHP\Models\AppStore\SubscriptionItem[]'
     ];
 
     /**
@@ -68,10 +67,7 @@ class Plan implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'id' => 'uuid',
-        'name' => null,
-        'status' => null,
-        'subscription_items' => null
+        'id' => 'uuid''name' => null'status' => null'subscription_items' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'id' => 'id',
-        'name' => 'name',
-        'status' => 'status',
-        'subscription_items' => 'subscriptionItems'
+        'id' => 'id''name' => 'name''status' => 'status''subscription_items' => 'subscriptionItems'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'id' => 'setId',
-        'name' => 'setName',
-        'status' => 'setStatus',
-        'subscription_items' => 'setSubscriptionItems'
+        'id' => 'setId''name' => 'setName''status' => 'setStatus''subscription_items' => 'setSubscriptionItems'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'id' => 'getId',
-        'name' => 'getName',
-        'status' => 'getStatus',
-        'subscription_items' => 'getSubscriptionItems'
+        'id' => 'getId''name' => 'getName''status' => 'getStatus''subscription_items' => 'getSubscriptionItems'
     ];
 
     /**
@@ -381,6 +368,7 @@ public function setSubscriptionItems($subscription_items)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -393,6 +381,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -406,6 +395,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -422,6 +412,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/AppStore/Price.php b/lib/Models/AppStore/Price.php
index 6bcc8db9..21ec9751 100644
--- a/lib/Models/AppStore/Price.php
+++ b/lib/Models/AppStore/Price.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AppStoreObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Price Class Doc Comment
  *
@@ -56,9 +58,7 @@ class Price implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'amount' => 'double',
-        'currency' => 'string',
-        'id' => 'string'
+        'amount' => 'double''currency' => 'string''id' => 'string'
     ];
 
     /**
@@ -67,9 +67,7 @@ class Price implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'amount' => 'double',
-        'currency' => null,
-        'id' => 'uuid'
+        'amount' => 'double''currency' => null'id' => 'uuid'
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'amount' => 'amount',
-        'currency' => 'currency',
-        'id' => 'id'
+        'amount' => 'amount''currency' => 'currency''id' => 'id'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'amount' => 'setAmount',
-        'currency' => 'setCurrency',
-        'id' => 'setId'
+        'amount' => 'setAmount''currency' => 'setCurrency''id' => 'setId'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'amount' => 'getAmount',
-        'currency' => 'getCurrency',
-        'id' => 'getId'
+        'amount' => 'getAmount''currency' => 'getCurrency''id' => 'getId'
     ];
 
     /**
@@ -311,6 +303,7 @@ public function setId($id)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -323,6 +316,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -336,6 +330,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -352,6 +347,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/AppStore/ProblemDetails.php b/lib/Models/AppStore/ProblemDetails.php
index 449f0190..e978adde 100644
--- a/lib/Models/AppStore/ProblemDetails.php
+++ b/lib/Models/AppStore/ProblemDetails.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AppStoreObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ProblemDetails Class Doc Comment
  *
@@ -56,12 +58,7 @@ class ProblemDetails implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'detail' => 'string',
-        'extensions' => 'object',
-        'instance' => 'string',
-        'status' => 'int',
-        'title' => 'string',
-        'type' => 'string'
+        'detail' => 'string''extensions' => 'object''instance' => 'string''status' => 'int''title' => 'string''type' => 'string'
     ];
 
     /**
@@ -70,12 +67,7 @@ class ProblemDetails implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'detail' => null,
-        'extensions' => null,
-        'instance' => null,
-        'status' => null,
-        'title' => null,
-        'type' => null
+        'detail' => null'extensions' => null'instance' => null'status' => null'title' => null'type' => null
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'detail' => 'detail',
-        'extensions' => 'extensions',
-        'instance' => 'instance',
-        'status' => 'status',
-        'title' => 'title',
-        'type' => 'type'
+        'detail' => 'detail''extensions' => 'extensions''instance' => 'instance''status' => 'status''title' => 'title''type' => 'type'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'detail' => 'setDetail',
-        'extensions' => 'setExtensions',
-        'instance' => 'setInstance',
-        'status' => 'setStatus',
-        'title' => 'setTitle',
-        'type' => 'setType'
+        'detail' => 'setDetail''extensions' => 'setExtensions''instance' => 'setInstance''status' => 'setStatus''title' => 'setTitle''type' => 'setType'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'detail' => 'getDetail',
-        'extensions' => 'getExtensions',
-        'instance' => 'getInstance',
-        'status' => 'getStatus',
-        'title' => 'getTitle',
-        'type' => 'getType'
+        'detail' => 'getDetail''extensions' => 'getExtensions''instance' => 'getInstance''status' => 'getStatus''title' => 'getTitle''type' => 'getType'
     ];
 
     /**
@@ -401,6 +378,7 @@ public function setType($type)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -413,6 +391,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -426,6 +405,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -442,6 +422,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/AppStore/Product.php b/lib/Models/AppStore/Product.php
index cce11378..15aab8bd 100644
--- a/lib/Models/AppStore/Product.php
+++ b/lib/Models/AppStore/Product.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AppStoreObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Product Class Doc Comment
  *
@@ -56,10 +58,7 @@ class Product implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'id' => 'string',
-        'name' => 'string',
-        'type' => 'string',
-        'seat_unit' => 'string'
+        'id' => 'string''name' => 'string''seat_unit' => 'string''type' => 'string''usage_unit' => 'string'
     ];
 
     /**
@@ -68,10 +67,7 @@ class Product implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'id' => 'uuid',
-        'name' => null,
-        'type' => null,
-        'seat_unit' => null
+        'id' => 'uuid''name' => null'seat_unit' => null'type' => null'usage_unit' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'id' => 'id',
-        'name' => 'name',
-        'type' => 'type',
-        'seat_unit' => 'seatUnit'
+        'id' => 'id''name' => 'name''seat_unit' => 'seatUnit''type' => 'type''usage_unit' => 'usageUnit'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'id' => 'setId',
-        'name' => 'setName',
-        'type' => 'setType',
-        'seat_unit' => 'setSeatUnit'
+        'id' => 'setId''name' => 'setName''seat_unit' => 'setSeatUnit''type' => 'setType''usage_unit' => 'setUsageUnit'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'id' => 'getId',
-        'name' => 'getName',
-        'type' => 'getType',
-        'seat_unit' => 'getSeatUnit'
+        'id' => 'getId''name' => 'getName''seat_unit' => 'getSeatUnit''type' => 'getType''usage_unit' => 'getUsageUnit'
     ];
 
     /**
@@ -174,6 +161,7 @@ public function getModelName()
 
     const TYPE_FIXED = 'FIXED';
     const TYPE_PER_SEAT = 'PER_SEAT';
+    const TYPE_METERED = 'METERED';
     
 
     
@@ -187,6 +175,7 @@ public function getTypeAllowableValues()
         return [
             self::TYPE_FIXED,
             self::TYPE_PER_SEAT,
+            self::TYPE_METERED,
         ];
     }
     
@@ -208,8 +197,9 @@ public function __construct(array $data = null)
     {
         $this->container['id'] = isset($data['id']) ? $data['id'] : null;
         $this->container['name'] = isset($data['name']) ? $data['name'] : null;
-        $this->container['type'] = isset($data['type']) ? $data['type'] : null;
         $this->container['seat_unit'] = isset($data['seat_unit']) ? $data['seat_unit'] : null;
+        $this->container['type'] = isset($data['type']) ? $data['type'] : null;
+        $this->container['usage_unit'] = isset($data['usage_unit']) ? $data['usage_unit'] : null;
     }
 
     /**
@@ -298,6 +288,33 @@ public function setName($name)
 
 
 
+    /**
+     * Gets seat_unit
+     *
+     * @return string|null
+     */
+    public function getSeatUnit()
+    {
+        return $this->container['seat_unit'];
+    }
+
+    /**
+     * Sets seat_unit
+     *
+     * @param string|null $seat_unit The unit of the per seat product. e.g. \"user\", \"organisation\", \"SMS\", etc
+     *
+     * @return $this
+     */
+    public function setSeatUnit($seat_unit)
+    {
+
+        $this->container['seat_unit'] = $seat_unit;
+
+        return $this;
+    }
+
+
+
     /**
      * Gets type
      *
@@ -311,7 +328,7 @@ public function getType()
     /**
      * Sets type
      *
-     * @param string|null $type The pricing model of the product: * FIXED: Customers are charged a fixed amount for each billing period * PER_SEAT: Customers are charged based on the number of units they purchase
+     * @param string|null $type The pricing model of the product: * FIXED: Customers are charged a fixed amount for each billing period * PER_SEAT: Customers are charged based on the number of units they purchase * METERED: Customers are charged per use of this product
      *
      * @return $this
      */
@@ -335,26 +352,26 @@ public function setType($type)
 
 
     /**
-     * Gets seat_unit
+     * Gets usage_unit
      *
      * @return string|null
      */
-    public function getSeatUnit()
+    public function getUsageUnit()
     {
-        return $this->container['seat_unit'];
+        return $this->container['usage_unit'];
     }
 
     /**
-     * Sets seat_unit
+     * Sets usage_unit
      *
-     * @param string|null $seat_unit The unit of the per seat product. e.g. \"user\", \"organisation\", \"SMS\", etc
+     * @param string|null $usage_unit The unit of the usage product. e.g. \"user\", \"minutes\", \"SMS\", etc
      *
      * @return $this
      */
-    public function setSeatUnit($seat_unit)
+    public function setUsageUnit($usage_unit)
     {
 
-        $this->container['seat_unit'] = $seat_unit;
+        $this->container['usage_unit'] = $usage_unit;
 
         return $this;
     }
@@ -367,6 +384,7 @@ public function setSeatUnit($seat_unit)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -379,6 +397,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -392,6 +411,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -408,6 +428,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/AppStore/Subscription.php b/lib/Models/AppStore/Subscription.php
index 2401e00f..5831c95f 100644
--- a/lib/Models/AppStore/Subscription.php
+++ b/lib/Models/AppStore/Subscription.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AppStoreObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Subscription Class Doc Comment
  *
@@ -56,14 +58,7 @@ class Subscription implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'current_period_end' => '\DateTime',
-        'end_date' => '\DateTime',
-        'id' => 'string',
-        'organisation_id' => 'string',
-        'plans' => '\XeroAPI\XeroPHP\Models\AppStore\Plan[]',
-        'start_date' => '\DateTime',
-        'status' => 'string',
-        'test_mode' => 'bool'
+        'current_period_end' => '\DateTime''end_date' => '\DateTime''id' => 'string''organisation_id' => 'string''plans' => '\XeroAPI\XeroPHP\Models\AppStore\Plan[]''start_date' => '\DateTime''status' => 'string''test_mode' => 'bool'
     ];
 
     /**
@@ -72,14 +67,7 @@ class Subscription implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'current_period_end' => 'date-time',
-        'end_date' => 'date-time',
-        'id' => 'uuid',
-        'organisation_id' => 'uuid',
-        'plans' => null,
-        'start_date' => 'date-time',
-        'status' => null,
-        'test_mode' => null
+        'current_period_end' => 'date-time''end_date' => 'date-time''id' => 'uuid''organisation_id' => 'uuid''plans' => null'start_date' => 'date-time''status' => null'test_mode' => null
     ];
 
     /**
@@ -109,14 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'current_period_end' => 'currentPeriodEnd',
-        'end_date' => 'endDate',
-        'id' => 'id',
-        'organisation_id' => 'organisationId',
-        'plans' => 'plans',
-        'start_date' => 'startDate',
-        'status' => 'status',
-        'test_mode' => 'testMode'
+        'current_period_end' => 'currentPeriodEnd''end_date' => 'endDate''id' => 'id''organisation_id' => 'organisationId''plans' => 'plans''start_date' => 'startDate''status' => 'status''test_mode' => 'testMode'
     ];
 
     /**
@@ -125,14 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'current_period_end' => 'setCurrentPeriodEnd',
-        'end_date' => 'setEndDate',
-        'id' => 'setId',
-        'organisation_id' => 'setOrganisationId',
-        'plans' => 'setPlans',
-        'start_date' => 'setStartDate',
-        'status' => 'setStatus',
-        'test_mode' => 'setTestMode'
+        'current_period_end' => 'setCurrentPeriodEnd''end_date' => 'setEndDate''id' => 'setId''organisation_id' => 'setOrganisationId''plans' => 'setPlans''start_date' => 'setStartDate''status' => 'setStatus''test_mode' => 'setTestMode'
     ];
 
     /**
@@ -141,14 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'current_period_end' => 'getCurrentPeriodEnd',
-        'end_date' => 'getEndDate',
-        'id' => 'getId',
-        'organisation_id' => 'getOrganisationId',
-        'plans' => 'getPlans',
-        'start_date' => 'getStartDate',
-        'status' => 'getStatus',
-        'test_mode' => 'getTestMode'
+        'current_period_end' => 'getCurrentPeriodEnd''end_date' => 'getEndDate''id' => 'getId''organisation_id' => 'getOrganisationId''plans' => 'getPlans''start_date' => 'getStartDate''status' => 'getStatus''test_mode' => 'getTestMode'
     ];
 
     /**
@@ -519,6 +486,7 @@ public function setTestMode($test_mode)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -531,6 +499,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -544,6 +513,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -560,6 +530,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/AppStore/SubscriptionItem.php b/lib/Models/AppStore/SubscriptionItem.php
index 372d835b..3c2c4a8e 100644
--- a/lib/Models/AppStore/SubscriptionItem.php
+++ b/lib/Models/AppStore/SubscriptionItem.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AppStoreObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * SubscriptionItem Class Doc Comment
  *
@@ -56,13 +58,7 @@ class SubscriptionItem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'end_date' => '\DateTime',
-        'id' => 'string',
-        'price' => '\XeroAPI\XeroPHP\Models\AppStore\Price',
-        'product' => '\XeroAPI\XeroPHP\Models\AppStore\Product',
-        'start_date' => '\DateTime',
-        'status' => 'string',
-        'test_mode' => 'bool'
+        'end_date' => '\DateTime''id' => 'string''price' => '\XeroAPI\XeroPHP\Models\AppStore\Price''product' => '\XeroAPI\XeroPHP\Models\AppStore\Product''quantity' => 'int''start_date' => '\DateTime''status' => 'string''test_mode' => 'bool'
     ];
 
     /**
@@ -71,13 +67,7 @@ class SubscriptionItem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'end_date' => 'date-time',
-        'id' => 'uuid',
-        'price' => null,
-        'product' => null,
-        'start_date' => 'date-time',
-        'status' => null,
-        'test_mode' => null
+        'end_date' => 'date-time''id' => 'uuid''price' => null'product' => null'quantity' => null'start_date' => 'date-time''status' => null'test_mode' => null
     ];
 
     /**
@@ -107,13 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'end_date' => 'endDate',
-        'id' => 'id',
-        'price' => 'price',
-        'product' => 'product',
-        'start_date' => 'startDate',
-        'status' => 'status',
-        'test_mode' => 'testMode'
+        'end_date' => 'endDate''id' => 'id''price' => 'price''product' => 'product''quantity' => 'quantity''start_date' => 'startDate''status' => 'status''test_mode' => 'testMode'
     ];
 
     /**
@@ -122,13 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'end_date' => 'setEndDate',
-        'id' => 'setId',
-        'price' => 'setPrice',
-        'product' => 'setProduct',
-        'start_date' => 'setStartDate',
-        'status' => 'setStatus',
-        'test_mode' => 'setTestMode'
+        'end_date' => 'setEndDate''id' => 'setId''price' => 'setPrice''product' => 'setProduct''quantity' => 'setQuantity''start_date' => 'setStartDate''status' => 'setStatus''test_mode' => 'setTestMode'
     ];
 
     /**
@@ -137,13 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'end_date' => 'getEndDate',
-        'id' => 'getId',
-        'price' => 'getPrice',
-        'product' => 'getProduct',
-        'start_date' => 'getStartDate',
-        'status' => 'getStatus',
-        'test_mode' => 'getTestMode'
+        'end_date' => 'getEndDate''id' => 'getId''price' => 'getPrice''product' => 'getProduct''quantity' => 'getQuantity''start_date' => 'getStartDate''status' => 'getStatus''test_mode' => 'getTestMode'
     ];
 
     /**
@@ -227,6 +199,7 @@ public function __construct(array $data = null)
         $this->container['id'] = isset($data['id']) ? $data['id'] : null;
         $this->container['price'] = isset($data['price']) ? $data['price'] : null;
         $this->container['product'] = isset($data['product']) ? $data['product'] : null;
+        $this->container['quantity'] = isset($data['quantity']) ? $data['quantity'] : null;
         $this->container['start_date'] = isset($data['start_date']) ? $data['start_date'] : null;
         $this->container['status'] = isset($data['status']) ? $data['status'] : null;
         $this->container['test_mode'] = isset($data['test_mode']) ? $data['test_mode'] : null;
@@ -387,6 +360,33 @@ public function setProduct($product)
 
 
 
+    /**
+     * Gets quantity
+     *
+     * @return int|null
+     */
+    public function getQuantity()
+    {
+        return $this->container['quantity'];
+    }
+
+    /**
+     * Sets quantity
+     *
+     * @param int|null $quantity The quantity of the item. For a fixed product, it is 1. For a per-seat product, it is a positive integer. For metered products, it is always null.
+     *
+     * @return $this
+     */
+    public function setQuantity($quantity)
+    {
+
+        $this->container['quantity'] = $quantity;
+
+        return $this;
+    }
+
+
+
     /**
      * Gets start_date
      *
@@ -483,6 +483,7 @@ public function setTestMode($test_mode)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -495,6 +496,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -508,6 +510,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -524,6 +527,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/Asset.php b/lib/Models/Asset/Asset.php
index 2b11602c..4df2bd90 100644
--- a/lib/Models/Asset/Asset.php
+++ b/lib/Models/Asset/Asset.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AssetObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Asset Class Doc Comment
  *
@@ -56,22 +58,7 @@ class Asset implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'asset_id' => 'string',
-        'asset_name' => 'string',
-        'asset_type_id' => 'string',
-        'asset_number' => 'string',
-        'purchase_date' => '\DateTime',
-        'purchase_price' => 'double',
-        'disposal_date' => '\DateTime',
-        'disposal_price' => 'double',
-        'asset_status' => '\XeroAPI\XeroPHP\Models\Asset\AssetStatus',
-        'warranty_expiry_date' => 'string',
-        'serial_number' => 'string',
-        'book_depreciation_setting' => '\XeroAPI\XeroPHP\Models\Asset\BookDepreciationSetting',
-        'book_depreciation_detail' => '\XeroAPI\XeroPHP\Models\Asset\BookDepreciationDetail',
-        'can_rollback' => 'bool',
-        'accounting_book_value' => 'double',
-        'is_delete_enabled_for_date' => 'bool'
+        'asset_id' => 'string''asset_name' => 'string''asset_type_id' => 'string''asset_number' => 'string''purchase_date' => '\DateTime''purchase_price' => 'double''disposal_date' => '\DateTime''disposal_price' => 'double''asset_status' => '\XeroAPI\XeroPHP\Models\Asset\AssetStatus''warranty_expiry_date' => 'string''serial_number' => 'string''book_depreciation_setting' => '\XeroAPI\XeroPHP\Models\Asset\BookDepreciationSetting''book_depreciation_detail' => '\XeroAPI\XeroPHP\Models\Asset\BookDepreciationDetail''can_rollback' => 'bool''accounting_book_value' => 'double''is_delete_enabled_for_date' => 'bool'
     ];
 
     /**
@@ -80,22 +67,7 @@ class Asset implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'asset_id' => 'uuid',
-        'asset_name' => null,
-        'asset_type_id' => 'uuid',
-        'asset_number' => null,
-        'purchase_date' => 'date',
-        'purchase_price' => 'double',
-        'disposal_date' => 'date',
-        'disposal_price' => 'double',
-        'asset_status' => null,
-        'warranty_expiry_date' => null,
-        'serial_number' => null,
-        'book_depreciation_setting' => null,
-        'book_depreciation_detail' => null,
-        'can_rollback' => null,
-        'accounting_book_value' => 'double',
-        'is_delete_enabled_for_date' => null
+        'asset_id' => 'uuid''asset_name' => null'asset_type_id' => 'uuid''asset_number' => null'purchase_date' => 'date''purchase_price' => 'double''disposal_date' => 'date''disposal_price' => 'double''asset_status' => null'warranty_expiry_date' => null'serial_number' => null'book_depreciation_setting' => null'book_depreciation_detail' => null'can_rollback' => null'accounting_book_value' => 'double''is_delete_enabled_for_date' => null
     ];
 
     /**
@@ -125,22 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'asset_id' => 'assetId',
-        'asset_name' => 'assetName',
-        'asset_type_id' => 'assetTypeId',
-        'asset_number' => 'assetNumber',
-        'purchase_date' => 'purchaseDate',
-        'purchase_price' => 'purchasePrice',
-        'disposal_date' => 'disposalDate',
-        'disposal_price' => 'disposalPrice',
-        'asset_status' => 'assetStatus',
-        'warranty_expiry_date' => 'warrantyExpiryDate',
-        'serial_number' => 'serialNumber',
-        'book_depreciation_setting' => 'bookDepreciationSetting',
-        'book_depreciation_detail' => 'bookDepreciationDetail',
-        'can_rollback' => 'canRollback',
-        'accounting_book_value' => 'accountingBookValue',
-        'is_delete_enabled_for_date' => 'isDeleteEnabledForDate'
+        'asset_id' => 'assetId''asset_name' => 'assetName''asset_type_id' => 'assetTypeId''asset_number' => 'assetNumber''purchase_date' => 'purchaseDate''purchase_price' => 'purchasePrice''disposal_date' => 'disposalDate''disposal_price' => 'disposalPrice''asset_status' => 'assetStatus''warranty_expiry_date' => 'warrantyExpiryDate''serial_number' => 'serialNumber''book_depreciation_setting' => 'bookDepreciationSetting''book_depreciation_detail' => 'bookDepreciationDetail''can_rollback' => 'canRollback''accounting_book_value' => 'accountingBookValue''is_delete_enabled_for_date' => 'isDeleteEnabledForDate'
     ];
 
     /**
@@ -149,22 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'asset_id' => 'setAssetId',
-        'asset_name' => 'setAssetName',
-        'asset_type_id' => 'setAssetTypeId',
-        'asset_number' => 'setAssetNumber',
-        'purchase_date' => 'setPurchaseDate',
-        'purchase_price' => 'setPurchasePrice',
-        'disposal_date' => 'setDisposalDate',
-        'disposal_price' => 'setDisposalPrice',
-        'asset_status' => 'setAssetStatus',
-        'warranty_expiry_date' => 'setWarrantyExpiryDate',
-        'serial_number' => 'setSerialNumber',
-        'book_depreciation_setting' => 'setBookDepreciationSetting',
-        'book_depreciation_detail' => 'setBookDepreciationDetail',
-        'can_rollback' => 'setCanRollback',
-        'accounting_book_value' => 'setAccountingBookValue',
-        'is_delete_enabled_for_date' => 'setIsDeleteEnabledForDate'
+        'asset_id' => 'setAssetId''asset_name' => 'setAssetName''asset_type_id' => 'setAssetTypeId''asset_number' => 'setAssetNumber''purchase_date' => 'setPurchaseDate''purchase_price' => 'setPurchasePrice''disposal_date' => 'setDisposalDate''disposal_price' => 'setDisposalPrice''asset_status' => 'setAssetStatus''warranty_expiry_date' => 'setWarrantyExpiryDate''serial_number' => 'setSerialNumber''book_depreciation_setting' => 'setBookDepreciationSetting''book_depreciation_detail' => 'setBookDepreciationDetail''can_rollback' => 'setCanRollback''accounting_book_value' => 'setAccountingBookValue''is_delete_enabled_for_date' => 'setIsDeleteEnabledForDate'
     ];
 
     /**
@@ -173,22 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'asset_id' => 'getAssetId',
-        'asset_name' => 'getAssetName',
-        'asset_type_id' => 'getAssetTypeId',
-        'asset_number' => 'getAssetNumber',
-        'purchase_date' => 'getPurchaseDate',
-        'purchase_price' => 'getPurchasePrice',
-        'disposal_date' => 'getDisposalDate',
-        'disposal_price' => 'getDisposalPrice',
-        'asset_status' => 'getAssetStatus',
-        'warranty_expiry_date' => 'getWarrantyExpiryDate',
-        'serial_number' => 'getSerialNumber',
-        'book_depreciation_setting' => 'getBookDepreciationSetting',
-        'book_depreciation_detail' => 'getBookDepreciationDetail',
-        'can_rollback' => 'getCanRollback',
-        'accounting_book_value' => 'getAccountingBookValue',
-        'is_delete_enabled_for_date' => 'getIsDeleteEnabledForDate'
+        'asset_id' => 'getAssetId''asset_name' => 'getAssetName''asset_type_id' => 'getAssetTypeId''asset_number' => 'getAssetNumber''purchase_date' => 'getPurchaseDate''purchase_price' => 'getPurchasePrice''disposal_date' => 'getDisposalDate''disposal_price' => 'getDisposalPrice''asset_status' => 'getAssetStatus''warranty_expiry_date' => 'getWarrantyExpiryDate''serial_number' => 'getSerialNumber''book_depreciation_setting' => 'getBookDepreciationSetting''book_depreciation_detail' => 'getBookDepreciationDetail''can_rollback' => 'getCanRollback''accounting_book_value' => 'getAccountingBookValue''is_delete_enabled_for_date' => 'getIsDeleteEnabledForDate'
     ];
 
     /**
@@ -734,6 +661,7 @@ public function setIsDeleteEnabledForDate($is_delete_enabled_for_date)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -746,6 +674,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -759,6 +688,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -775,6 +705,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/AssetStatus.php b/lib/Models/Asset/AssetStatus.php
index c1a71828..f061a703 100644
--- a/lib/Models/Asset/AssetStatus.php
+++ b/lib/Models/Asset/AssetStatus.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\Asset;
 use \XeroAPI\XeroPHP\AssetObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * AssetStatus Class Doc Comment
  *
diff --git a/lib/Models/Asset/AssetStatusQueryParam.php b/lib/Models/Asset/AssetStatusQueryParam.php
index 72c93c45..f85932f9 100644
--- a/lib/Models/Asset/AssetStatusQueryParam.php
+++ b/lib/Models/Asset/AssetStatusQueryParam.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\Asset;
 use \XeroAPI\XeroPHP\AssetObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * AssetStatusQueryParam Class Doc Comment
  *
diff --git a/lib/Models/Asset/AssetType.php b/lib/Models/Asset/AssetType.php
index b8e063f4..3786826f 100644
--- a/lib/Models/Asset/AssetType.php
+++ b/lib/Models/Asset/AssetType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AssetObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * AssetType Class Doc Comment
  *
@@ -56,13 +58,7 @@ class AssetType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'asset_type_id' => 'string',
-        'asset_type_name' => 'string',
-        'fixed_asset_account_id' => 'string',
-        'depreciation_expense_account_id' => 'string',
-        'accumulated_depreciation_account_id' => 'string',
-        'book_depreciation_setting' => '\XeroAPI\XeroPHP\Models\Asset\BookDepreciationSetting',
-        'locks' => 'int'
+        'asset_type_id' => 'string''asset_type_name' => 'string''fixed_asset_account_id' => 'string''depreciation_expense_account_id' => 'string''accumulated_depreciation_account_id' => 'string''book_depreciation_setting' => '\XeroAPI\XeroPHP\Models\Asset\BookDepreciationSetting''locks' => 'int'
     ];
 
     /**
@@ -71,13 +67,7 @@ class AssetType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'asset_type_id' => 'uuid',
-        'asset_type_name' => null,
-        'fixed_asset_account_id' => 'uuid',
-        'depreciation_expense_account_id' => 'uuid',
-        'accumulated_depreciation_account_id' => 'uuid',
-        'book_depreciation_setting' => null,
-        'locks' => null
+        'asset_type_id' => 'uuid''asset_type_name' => null'fixed_asset_account_id' => 'uuid''depreciation_expense_account_id' => 'uuid''accumulated_depreciation_account_id' => 'uuid''book_depreciation_setting' => null'locks' => null
     ];
 
     /**
@@ -107,13 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'asset_type_id' => 'assetTypeId',
-        'asset_type_name' => 'assetTypeName',
-        'fixed_asset_account_id' => 'fixedAssetAccountId',
-        'depreciation_expense_account_id' => 'depreciationExpenseAccountId',
-        'accumulated_depreciation_account_id' => 'accumulatedDepreciationAccountId',
-        'book_depreciation_setting' => 'bookDepreciationSetting',
-        'locks' => 'locks'
+        'asset_type_id' => 'assetTypeId''asset_type_name' => 'assetTypeName''fixed_asset_account_id' => 'fixedAssetAccountId''depreciation_expense_account_id' => 'depreciationExpenseAccountId''accumulated_depreciation_account_id' => 'accumulatedDepreciationAccountId''book_depreciation_setting' => 'bookDepreciationSetting''locks' => 'locks'
     ];
 
     /**
@@ -122,13 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'asset_type_id' => 'setAssetTypeId',
-        'asset_type_name' => 'setAssetTypeName',
-        'fixed_asset_account_id' => 'setFixedAssetAccountId',
-        'depreciation_expense_account_id' => 'setDepreciationExpenseAccountId',
-        'accumulated_depreciation_account_id' => 'setAccumulatedDepreciationAccountId',
-        'book_depreciation_setting' => 'setBookDepreciationSetting',
-        'locks' => 'setLocks'
+        'asset_type_id' => 'setAssetTypeId''asset_type_name' => 'setAssetTypeName''fixed_asset_account_id' => 'setFixedAssetAccountId''depreciation_expense_account_id' => 'setDepreciationExpenseAccountId''accumulated_depreciation_account_id' => 'setAccumulatedDepreciationAccountId''book_depreciation_setting' => 'setBookDepreciationSetting''locks' => 'setLocks'
     ];
 
     /**
@@ -137,13 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'asset_type_id' => 'getAssetTypeId',
-        'asset_type_name' => 'getAssetTypeName',
-        'fixed_asset_account_id' => 'getFixedAssetAccountId',
-        'depreciation_expense_account_id' => 'getDepreciationExpenseAccountId',
-        'accumulated_depreciation_account_id' => 'getAccumulatedDepreciationAccountId',
-        'book_depreciation_setting' => 'getBookDepreciationSetting',
-        'locks' => 'getLocks'
+        'asset_type_id' => 'getAssetTypeId''asset_type_name' => 'getAssetTypeName''fixed_asset_account_id' => 'getFixedAssetAccountId''depreciation_expense_account_id' => 'getDepreciationExpenseAccountId''accumulated_depreciation_account_id' => 'getAccumulatedDepreciationAccountId''book_depreciation_setting' => 'getBookDepreciationSetting''locks' => 'getLocks'
     ];
 
     /**
@@ -440,6 +412,7 @@ public function setLocks($locks)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -452,6 +425,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -465,6 +439,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -481,6 +456,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/Assets.php b/lib/Models/Asset/Assets.php
index 83976d3e..376b5cf5 100644
--- a/lib/Models/Asset/Assets.php
+++ b/lib/Models/Asset/Assets.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AssetObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Assets Class Doc Comment
  *
@@ -56,8 +58,7 @@ class Assets implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\Asset\Pagination',
-        'items' => '\XeroAPI\XeroPHP\Models\Asset\Asset[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\Asset\Pagination''items' => '\XeroAPI\XeroPHP\Models\Asset\Asset[]'
     ];
 
     /**
@@ -66,8 +67,7 @@ class Assets implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'items' => null
+        'pagination' => null'items' => null
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'items' => 'items'
+        'pagination' => 'pagination''items' => 'items'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'items' => 'setItems'
+        'pagination' => 'setPagination''items' => 'setItems'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'items' => 'getItems'
+        'pagination' => 'getPagination''items' => 'getItems'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setItems($items)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/BookDepreciationDetail.php b/lib/Models/Asset/BookDepreciationDetail.php
index d4a9d5a3..c1efb802 100644
--- a/lib/Models/Asset/BookDepreciationDetail.php
+++ b/lib/Models/Asset/BookDepreciationDetail.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AssetObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * BookDepreciationDetail Class Doc Comment
  *
@@ -56,13 +58,7 @@ class BookDepreciationDetail implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'current_capital_gain' => 'double',
-        'current_gain_loss' => 'double',
-        'depreciation_start_date' => '\DateTime',
-        'cost_limit' => 'double',
-        'residual_value' => 'double',
-        'prior_accum_depreciation_amount' => 'double',
-        'current_accum_depreciation_amount' => 'double'
+        'current_capital_gain' => 'double''current_gain_loss' => 'double''depreciation_start_date' => '\DateTime''cost_limit' => 'double''residual_value' => 'double''prior_accum_depreciation_amount' => 'double''current_accum_depreciation_amount' => 'double'
     ];
 
     /**
@@ -71,13 +67,7 @@ class BookDepreciationDetail implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'current_capital_gain' => 'double',
-        'current_gain_loss' => 'double',
-        'depreciation_start_date' => 'date',
-        'cost_limit' => 'double',
-        'residual_value' => 'double',
-        'prior_accum_depreciation_amount' => 'double',
-        'current_accum_depreciation_amount' => 'double'
+        'current_capital_gain' => 'double''current_gain_loss' => 'double''depreciation_start_date' => 'date''cost_limit' => 'double''residual_value' => 'double''prior_accum_depreciation_amount' => 'double''current_accum_depreciation_amount' => 'double'
     ];
 
     /**
@@ -107,13 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'current_capital_gain' => 'currentCapitalGain',
-        'current_gain_loss' => 'currentGainLoss',
-        'depreciation_start_date' => 'depreciationStartDate',
-        'cost_limit' => 'costLimit',
-        'residual_value' => 'residualValue',
-        'prior_accum_depreciation_amount' => 'priorAccumDepreciationAmount',
-        'current_accum_depreciation_amount' => 'currentAccumDepreciationAmount'
+        'current_capital_gain' => 'currentCapitalGain''current_gain_loss' => 'currentGainLoss''depreciation_start_date' => 'depreciationStartDate''cost_limit' => 'costLimit''residual_value' => 'residualValue''prior_accum_depreciation_amount' => 'priorAccumDepreciationAmount''current_accum_depreciation_amount' => 'currentAccumDepreciationAmount'
     ];
 
     /**
@@ -122,13 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'current_capital_gain' => 'setCurrentCapitalGain',
-        'current_gain_loss' => 'setCurrentGainLoss',
-        'depreciation_start_date' => 'setDepreciationStartDate',
-        'cost_limit' => 'setCostLimit',
-        'residual_value' => 'setResidualValue',
-        'prior_accum_depreciation_amount' => 'setPriorAccumDepreciationAmount',
-        'current_accum_depreciation_amount' => 'setCurrentAccumDepreciationAmount'
+        'current_capital_gain' => 'setCurrentCapitalGain''current_gain_loss' => 'setCurrentGainLoss''depreciation_start_date' => 'setDepreciationStartDate''cost_limit' => 'setCostLimit''residual_value' => 'setResidualValue''prior_accum_depreciation_amount' => 'setPriorAccumDepreciationAmount''current_accum_depreciation_amount' => 'setCurrentAccumDepreciationAmount'
     ];
 
     /**
@@ -137,13 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'current_capital_gain' => 'getCurrentCapitalGain',
-        'current_gain_loss' => 'getCurrentGainLoss',
-        'depreciation_start_date' => 'getDepreciationStartDate',
-        'cost_limit' => 'getCostLimit',
-        'residual_value' => 'getResidualValue',
-        'prior_accum_depreciation_amount' => 'getPriorAccumDepreciationAmount',
-        'current_accum_depreciation_amount' => 'getCurrentAccumDepreciationAmount'
+        'current_capital_gain' => 'getCurrentCapitalGain''current_gain_loss' => 'getCurrentGainLoss''depreciation_start_date' => 'getDepreciationStartDate''cost_limit' => 'getCostLimit''residual_value' => 'getResidualValue''prior_accum_depreciation_amount' => 'getPriorAccumDepreciationAmount''current_accum_depreciation_amount' => 'getCurrentAccumDepreciationAmount'
     ];
 
     /**
@@ -434,6 +406,7 @@ public function setCurrentAccumDepreciationAmount($current_accum_depreciation_am
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -446,6 +419,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -459,6 +433,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -475,6 +450,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/BookDepreciationSetting.php b/lib/Models/Asset/BookDepreciationSetting.php
index 57329ca9..30d0862d 100644
--- a/lib/Models/Asset/BookDepreciationSetting.php
+++ b/lib/Models/Asset/BookDepreciationSetting.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AssetObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * BookDepreciationSetting Class Doc Comment
  *
@@ -56,14 +58,7 @@ class BookDepreciationSetting implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'depreciation_method' => 'string',
-        'averaging_method' => 'string',
-        'depreciation_rate' => 'double',
-        'effective_life_years' => 'int',
-        'depreciation_calculation_method' => 'string',
-        'depreciable_object_id' => 'string',
-        'depreciable_object_type' => 'string',
-        'book_effective_date_of_change_id' => 'string'
+        'depreciation_method' => 'string''averaging_method' => 'string''depreciation_rate' => 'double''effective_life_years' => 'int''depreciation_calculation_method' => 'string''depreciable_object_id' => 'string''depreciable_object_type' => 'string''book_effective_date_of_change_id' => 'string'
     ];
 
     /**
@@ -72,14 +67,7 @@ class BookDepreciationSetting implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'depreciation_method' => null,
-        'averaging_method' => null,
-        'depreciation_rate' => 'double',
-        'effective_life_years' => null,
-        'depreciation_calculation_method' => null,
-        'depreciable_object_id' => 'uuid',
-        'depreciable_object_type' => null,
-        'book_effective_date_of_change_id' => 'uuid'
+        'depreciation_method' => null'averaging_method' => null'depreciation_rate' => 'double''effective_life_years' => null'depreciation_calculation_method' => null'depreciable_object_id' => 'uuid''depreciable_object_type' => null'book_effective_date_of_change_id' => 'uuid'
     ];
 
     /**
@@ -109,14 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'depreciation_method' => 'depreciationMethod',
-        'averaging_method' => 'averagingMethod',
-        'depreciation_rate' => 'depreciationRate',
-        'effective_life_years' => 'effectiveLifeYears',
-        'depreciation_calculation_method' => 'depreciationCalculationMethod',
-        'depreciable_object_id' => 'depreciableObjectId',
-        'depreciable_object_type' => 'depreciableObjectType',
-        'book_effective_date_of_change_id' => 'bookEffectiveDateOfChangeId'
+        'depreciation_method' => 'depreciationMethod''averaging_method' => 'averagingMethod''depreciation_rate' => 'depreciationRate''effective_life_years' => 'effectiveLifeYears''depreciation_calculation_method' => 'depreciationCalculationMethod''depreciable_object_id' => 'depreciableObjectId''depreciable_object_type' => 'depreciableObjectType''book_effective_date_of_change_id' => 'bookEffectiveDateOfChangeId'
     ];
 
     /**
@@ -125,14 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'depreciation_method' => 'setDepreciationMethod',
-        'averaging_method' => 'setAveragingMethod',
-        'depreciation_rate' => 'setDepreciationRate',
-        'effective_life_years' => 'setEffectiveLifeYears',
-        'depreciation_calculation_method' => 'setDepreciationCalculationMethod',
-        'depreciable_object_id' => 'setDepreciableObjectId',
-        'depreciable_object_type' => 'setDepreciableObjectType',
-        'book_effective_date_of_change_id' => 'setBookEffectiveDateOfChangeId'
+        'depreciation_method' => 'setDepreciationMethod''averaging_method' => 'setAveragingMethod''depreciation_rate' => 'setDepreciationRate''effective_life_years' => 'setEffectiveLifeYears''depreciation_calculation_method' => 'setDepreciationCalculationMethod''depreciable_object_id' => 'setDepreciableObjectId''depreciable_object_type' => 'setDepreciableObjectType''book_effective_date_of_change_id' => 'setBookEffectiveDateOfChangeId'
     ];
 
     /**
@@ -141,14 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'depreciation_method' => 'getDepreciationMethod',
-        'averaging_method' => 'getAveragingMethod',
-        'depreciation_rate' => 'getDepreciationRate',
-        'effective_life_years' => 'getEffectiveLifeYears',
-        'depreciation_calculation_method' => 'getDepreciationCalculationMethod',
-        'depreciable_object_id' => 'getDepreciableObjectId',
-        'depreciable_object_type' => 'getDepreciableObjectType',
-        'book_effective_date_of_change_id' => 'getBookEffectiveDateOfChangeId'
+        'depreciation_method' => 'getDepreciationMethod''averaging_method' => 'getAveragingMethod''depreciation_rate' => 'getDepreciationRate''effective_life_years' => 'getEffectiveLifeYears''depreciation_calculation_method' => 'getDepreciationCalculationMethod''depreciable_object_id' => 'getDepreciableObjectId''depreciable_object_type' => 'getDepreciableObjectType''book_effective_date_of_change_id' => 'getBookEffectiveDateOfChangeId'
     ];
 
     /**
@@ -573,6 +540,7 @@ public function setBookEffectiveDateOfChangeId($book_effective_date_of_change_id
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -585,6 +553,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -598,6 +567,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -614,6 +584,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/Error.php b/lib/Models/Asset/Error.php
index aa6fe65e..b6307d94 100644
--- a/lib/Models/Asset/Error.php
+++ b/lib/Models/Asset/Error.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AssetObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Error Class Doc Comment
  *
@@ -56,11 +58,7 @@ class Error implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'resource_validation_errors' => '\XeroAPI\XeroPHP\Models\Asset\ResourceValidationErrorsElement[]',
-        'field_validation_errors' => '\XeroAPI\XeroPHP\Models\Asset\FieldValidationErrorsElement[]',
-        'type' => 'string',
-        'title' => 'string',
-        'detail' => 'string'
+        'resource_validation_errors' => '\XeroAPI\XeroPHP\Models\Asset\ResourceValidationErrorsElement[]''field_validation_errors' => '\XeroAPI\XeroPHP\Models\Asset\FieldValidationErrorsElement[]''type' => 'string''title' => 'string''detail' => 'string'
     ];
 
     /**
@@ -69,11 +67,7 @@ class Error implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'resource_validation_errors' => null,
-        'field_validation_errors' => null,
-        'type' => null,
-        'title' => null,
-        'detail' => null
+        'resource_validation_errors' => null'field_validation_errors' => null'type' => null'title' => null'detail' => null
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'resource_validation_errors' => 'resourceValidationErrors',
-        'field_validation_errors' => 'fieldValidationErrors',
-        'type' => 'type',
-        'title' => 'title',
-        'detail' => 'detail'
+        'resource_validation_errors' => 'resourceValidationErrors''field_validation_errors' => 'fieldValidationErrors''type' => 'type''title' => 'title''detail' => 'detail'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'resource_validation_errors' => 'setResourceValidationErrors',
-        'field_validation_errors' => 'setFieldValidationErrors',
-        'type' => 'setType',
-        'title' => 'setTitle',
-        'detail' => 'setDetail'
+        'resource_validation_errors' => 'setResourceValidationErrors''field_validation_errors' => 'setFieldValidationErrors''type' => 'setType''title' => 'setTitle''detail' => 'setDetail'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'resource_validation_errors' => 'getResourceValidationErrors',
-        'field_validation_errors' => 'getFieldValidationErrors',
-        'type' => 'getType',
-        'title' => 'getTitle',
-        'detail' => 'getDetail'
+        'resource_validation_errors' => 'getResourceValidationErrors''field_validation_errors' => 'getFieldValidationErrors''type' => 'getType''title' => 'getTitle''detail' => 'getDetail'
     ];
 
     /**
@@ -368,6 +350,7 @@ public function setDetail($detail)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -380,6 +363,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -393,6 +377,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -409,6 +394,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/FieldValidationErrorsElement.php b/lib/Models/Asset/FieldValidationErrorsElement.php
index 421f2887..cef049ff 100644
--- a/lib/Models/Asset/FieldValidationErrorsElement.php
+++ b/lib/Models/Asset/FieldValidationErrorsElement.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AssetObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * FieldValidationErrorsElement Class Doc Comment
  *
@@ -56,12 +58,7 @@ class FieldValidationErrorsElement implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'field_name' => 'string',
-        'value_provided' => 'string',
-        'localised_message' => 'string',
-        'type' => 'string',
-        'title' => 'string',
-        'detail' => 'string'
+        'field_name' => 'string''value_provided' => 'string''localised_message' => 'string''type' => 'string''title' => 'string''detail' => 'string'
     ];
 
     /**
@@ -70,12 +67,7 @@ class FieldValidationErrorsElement implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'field_name' => null,
-        'value_provided' => null,
-        'localised_message' => null,
-        'type' => null,
-        'title' => null,
-        'detail' => null
+        'field_name' => null'value_provided' => null'localised_message' => null'type' => null'title' => null'detail' => null
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'field_name' => 'fieldName',
-        'value_provided' => 'valueProvided',
-        'localised_message' => 'localisedMessage',
-        'type' => 'type',
-        'title' => 'title',
-        'detail' => 'detail'
+        'field_name' => 'fieldName''value_provided' => 'valueProvided''localised_message' => 'localisedMessage''type' => 'type''title' => 'title''detail' => 'detail'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'field_name' => 'setFieldName',
-        'value_provided' => 'setValueProvided',
-        'localised_message' => 'setLocalisedMessage',
-        'type' => 'setType',
-        'title' => 'setTitle',
-        'detail' => 'setDetail'
+        'field_name' => 'setFieldName''value_provided' => 'setValueProvided''localised_message' => 'setLocalisedMessage''type' => 'setType''title' => 'setTitle''detail' => 'setDetail'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'field_name' => 'getFieldName',
-        'value_provided' => 'getValueProvided',
-        'localised_message' => 'getLocalisedMessage',
-        'type' => 'getType',
-        'title' => 'getTitle',
-        'detail' => 'getDetail'
+        'field_name' => 'getFieldName''value_provided' => 'getValueProvided''localised_message' => 'getLocalisedMessage''type' => 'getType''title' => 'getTitle''detail' => 'getDetail'
     ];
 
     /**
@@ -401,6 +378,7 @@ public function setDetail($detail)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -413,6 +391,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -426,6 +405,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -442,6 +422,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/ModelInterface.php b/lib/Models/Asset/ModelInterface.php
index af8d8d1b..65661f7d 100644
--- a/lib/Models/Asset/ModelInterface.php
+++ b/lib/Models/Asset/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Asset/Pagination.php b/lib/Models/Asset/Pagination.php
index 4516beb0..94889d7f 100644
--- a/lib/Models/Asset/Pagination.php
+++ b/lib/Models/Asset/Pagination.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AssetObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Pagination Class Doc Comment
  *
@@ -56,10 +58,7 @@ class Pagination implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'page' => 'int',
-        'page_size' => 'int',
-        'page_count' => 'int',
-        'item_count' => 'int'
+        'page' => 'int''page_size' => 'int''page_count' => 'int''item_count' => 'int'
     ];
 
     /**
@@ -68,10 +67,7 @@ class Pagination implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'page' => null,
-        'page_size' => null,
-        'page_count' => null,
-        'item_count' => null
+        'page' => null'page_size' => null'page_count' => null'item_count' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'page' => 'page',
-        'page_size' => 'pageSize',
-        'page_count' => 'pageCount',
-        'item_count' => 'itemCount'
+        'page' => 'page''page_size' => 'pageSize''page_count' => 'pageCount''item_count' => 'itemCount'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'page' => 'setPage',
-        'page_size' => 'setPageSize',
-        'page_count' => 'setPageCount',
-        'item_count' => 'setItemCount'
+        'page' => 'setPage''page_size' => 'setPageSize''page_count' => 'setPageCount''item_count' => 'setItemCount'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'page' => 'getPage',
-        'page_size' => 'getPageSize',
-        'page_count' => 'getPageCount',
-        'item_count' => 'getItemCount'
+        'page' => 'getPage''page_size' => 'getPageSize''page_count' => 'getPageCount''item_count' => 'getItemCount'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setItemCount($item_count)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/ResourceValidationErrorsElement.php b/lib/Models/Asset/ResourceValidationErrorsElement.php
index 3f08e2e2..5fafa791 100644
--- a/lib/Models/Asset/ResourceValidationErrorsElement.php
+++ b/lib/Models/Asset/ResourceValidationErrorsElement.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AssetObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ResourceValidationErrorsElement Class Doc Comment
  *
@@ -56,11 +58,7 @@ class ResourceValidationErrorsElement implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'resource_name' => 'string',
-        'localised_message' => 'string',
-        'type' => 'string',
-        'title' => 'string',
-        'detail' => 'string'
+        'resource_name' => 'string''localised_message' => 'string''type' => 'string''title' => 'string''detail' => 'string'
     ];
 
     /**
@@ -69,11 +67,7 @@ class ResourceValidationErrorsElement implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'resource_name' => null,
-        'localised_message' => null,
-        'type' => null,
-        'title' => null,
-        'detail' => null
+        'resource_name' => null'localised_message' => null'type' => null'title' => null'detail' => null
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'resource_name' => 'resourceName',
-        'localised_message' => 'localisedMessage',
-        'type' => 'type',
-        'title' => 'title',
-        'detail' => 'detail'
+        'resource_name' => 'resourceName''localised_message' => 'localisedMessage''type' => 'type''title' => 'title''detail' => 'detail'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'resource_name' => 'setResourceName',
-        'localised_message' => 'setLocalisedMessage',
-        'type' => 'setType',
-        'title' => 'setTitle',
-        'detail' => 'setDetail'
+        'resource_name' => 'setResourceName''localised_message' => 'setLocalisedMessage''type' => 'setType''title' => 'setTitle''detail' => 'setDetail'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'resource_name' => 'getResourceName',
-        'localised_message' => 'getLocalisedMessage',
-        'type' => 'getType',
-        'title' => 'getTitle',
-        'detail' => 'getDetail'
+        'resource_name' => 'getResourceName''localised_message' => 'getLocalisedMessage''type' => 'getType''title' => 'getTitle''detail' => 'getDetail'
     ];
 
     /**
@@ -368,6 +350,7 @@ public function setDetail($detail)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -380,6 +363,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -393,6 +377,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -409,6 +394,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/Setting.php b/lib/Models/Asset/Setting.php
index b0936588..54800d9f 100644
--- a/lib/Models/Asset/Setting.php
+++ b/lib/Models/Asset/Setting.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AssetObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Setting Class Doc Comment
  *
@@ -56,14 +58,7 @@ class Setting implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'asset_number_prefix' => 'string',
-        'asset_number_sequence' => 'string',
-        'asset_start_date' => '\DateTime',
-        'last_depreciation_date' => '\DateTime',
-        'default_gain_on_disposal_account_id' => 'string',
-        'default_loss_on_disposal_account_id' => 'string',
-        'default_capital_gain_on_disposal_account_id' => 'string',
-        'opt_in_for_tax' => 'bool'
+        'asset_number_prefix' => 'string''asset_number_sequence' => 'string''asset_start_date' => '\DateTime''last_depreciation_date' => '\DateTime''default_gain_on_disposal_account_id' => 'string''default_loss_on_disposal_account_id' => 'string''default_capital_gain_on_disposal_account_id' => 'string''opt_in_for_tax' => 'bool'
     ];
 
     /**
@@ -72,14 +67,7 @@ class Setting implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'asset_number_prefix' => null,
-        'asset_number_sequence' => null,
-        'asset_start_date' => 'date',
-        'last_depreciation_date' => 'date',
-        'default_gain_on_disposal_account_id' => 'uuid',
-        'default_loss_on_disposal_account_id' => 'uuid',
-        'default_capital_gain_on_disposal_account_id' => 'uuid',
-        'opt_in_for_tax' => null
+        'asset_number_prefix' => null'asset_number_sequence' => null'asset_start_date' => 'date''last_depreciation_date' => 'date''default_gain_on_disposal_account_id' => 'uuid''default_loss_on_disposal_account_id' => 'uuid''default_capital_gain_on_disposal_account_id' => 'uuid''opt_in_for_tax' => null
     ];
 
     /**
@@ -109,14 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'asset_number_prefix' => 'assetNumberPrefix',
-        'asset_number_sequence' => 'assetNumberSequence',
-        'asset_start_date' => 'assetStartDate',
-        'last_depreciation_date' => 'lastDepreciationDate',
-        'default_gain_on_disposal_account_id' => 'defaultGainOnDisposalAccountId',
-        'default_loss_on_disposal_account_id' => 'defaultLossOnDisposalAccountId',
-        'default_capital_gain_on_disposal_account_id' => 'defaultCapitalGainOnDisposalAccountId',
-        'opt_in_for_tax' => 'optInForTax'
+        'asset_number_prefix' => 'assetNumberPrefix''asset_number_sequence' => 'assetNumberSequence''asset_start_date' => 'assetStartDate''last_depreciation_date' => 'lastDepreciationDate''default_gain_on_disposal_account_id' => 'defaultGainOnDisposalAccountId''default_loss_on_disposal_account_id' => 'defaultLossOnDisposalAccountId''default_capital_gain_on_disposal_account_id' => 'defaultCapitalGainOnDisposalAccountId''opt_in_for_tax' => 'optInForTax'
     ];
 
     /**
@@ -125,14 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'asset_number_prefix' => 'setAssetNumberPrefix',
-        'asset_number_sequence' => 'setAssetNumberSequence',
-        'asset_start_date' => 'setAssetStartDate',
-        'last_depreciation_date' => 'setLastDepreciationDate',
-        'default_gain_on_disposal_account_id' => 'setDefaultGainOnDisposalAccountId',
-        'default_loss_on_disposal_account_id' => 'setDefaultLossOnDisposalAccountId',
-        'default_capital_gain_on_disposal_account_id' => 'setDefaultCapitalGainOnDisposalAccountId',
-        'opt_in_for_tax' => 'setOptInForTax'
+        'asset_number_prefix' => 'setAssetNumberPrefix''asset_number_sequence' => 'setAssetNumberSequence''asset_start_date' => 'setAssetStartDate''last_depreciation_date' => 'setLastDepreciationDate''default_gain_on_disposal_account_id' => 'setDefaultGainOnDisposalAccountId''default_loss_on_disposal_account_id' => 'setDefaultLossOnDisposalAccountId''default_capital_gain_on_disposal_account_id' => 'setDefaultCapitalGainOnDisposalAccountId''opt_in_for_tax' => 'setOptInForTax'
     ];
 
     /**
@@ -141,14 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'asset_number_prefix' => 'getAssetNumberPrefix',
-        'asset_number_sequence' => 'getAssetNumberSequence',
-        'asset_start_date' => 'getAssetStartDate',
-        'last_depreciation_date' => 'getLastDepreciationDate',
-        'default_gain_on_disposal_account_id' => 'getDefaultGainOnDisposalAccountId',
-        'default_loss_on_disposal_account_id' => 'getDefaultLossOnDisposalAccountId',
-        'default_capital_gain_on_disposal_account_id' => 'getDefaultCapitalGainOnDisposalAccountId',
-        'opt_in_for_tax' => 'getOptInForTax'
+        'asset_number_prefix' => 'getAssetNumberPrefix''asset_number_sequence' => 'getAssetNumberSequence''asset_start_date' => 'getAssetStartDate''last_depreciation_date' => 'getLastDepreciationDate''default_gain_on_disposal_account_id' => 'getDefaultGainOnDisposalAccountId''default_loss_on_disposal_account_id' => 'getDefaultLossOnDisposalAccountId''default_capital_gain_on_disposal_account_id' => 'getDefaultCapitalGainOnDisposalAccountId''opt_in_for_tax' => 'getOptInForTax'
     ];
 
     /**
@@ -467,6 +434,7 @@ public function setOptInForTax($opt_in_for_tax)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -479,6 +447,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -492,6 +461,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -508,6 +478,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/File/Association.php b/lib/Models/File/Association.php
index 43985713..d063b4af 100644
--- a/lib/Models/File/Association.php
+++ b/lib/Models/File/Association.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FileObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Association Class Doc Comment
  *
@@ -56,10 +58,7 @@ class Association implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'file_id' => 'string',
-        'object_id' => 'string',
-        'object_group' => '\XeroAPI\XeroPHP\Models\File\ObjectGroup',
-        'object_type' => '\XeroAPI\XeroPHP\Models\File\ObjectType'
+        'file_id' => 'string''object_id' => 'string''object_group' => '\XeroAPI\XeroPHP\Models\File\ObjectGroup''object_type' => '\XeroAPI\XeroPHP\Models\File\ObjectType'
     ];
 
     /**
@@ -68,10 +67,7 @@ class Association implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'file_id' => 'uuid',
-        'object_id' => 'uuid',
-        'object_group' => null,
-        'object_type' => null
+        'file_id' => 'uuid''object_id' => 'uuid''object_group' => null'object_type' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'file_id' => 'FileId',
-        'object_id' => 'ObjectId',
-        'object_group' => 'ObjectGroup',
-        'object_type' => 'ObjectType'
+        'file_id' => 'FileId''object_id' => 'ObjectId''object_group' => 'ObjectGroup''object_type' => 'ObjectType'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'file_id' => 'setFileId',
-        'object_id' => 'setObjectId',
-        'object_group' => 'setObjectGroup',
-        'object_type' => 'setObjectType'
+        'file_id' => 'setFileId''object_id' => 'setObjectId''object_group' => 'setObjectGroup''object_type' => 'setObjectType'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'file_id' => 'getFileId',
-        'object_id' => 'getObjectId',
-        'object_group' => 'getObjectGroup',
-        'object_type' => 'getObjectType'
+        'file_id' => 'getFileId''object_id' => 'getObjectId''object_group' => 'getObjectGroup''object_type' => 'getObjectType'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setObjectType($object_type)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/File/FileObject.php b/lib/Models/File/FileObject.php
index 46170311..e74cb696 100644
--- a/lib/Models/File/FileObject.php
+++ b/lib/Models/File/FileObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FileObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * FileObject Class Doc Comment
  *
@@ -56,14 +58,7 @@ class FileObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string',
-        'mime_type' => 'string',
-        'size' => 'int',
-        'created_date_utc' => 'string',
-        'updated_date_utc' => 'string',
-        'user' => '\XeroAPI\XeroPHP\Models\File\User',
-        'id' => 'string',
-        'folder_id' => 'string'
+        'name' => 'string''mime_type' => 'string''size' => 'int''created_date_utc' => 'string''updated_date_utc' => 'string''user' => '\XeroAPI\XeroPHP\Models\File\User''id' => 'string''folder_id' => 'string'
     ];
 
     /**
@@ -72,14 +67,7 @@ class FileObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null,
-        'mime_type' => null,
-        'size' => null,
-        'created_date_utc' => null,
-        'updated_date_utc' => null,
-        'user' => null,
-        'id' => 'uuid',
-        'folder_id' => 'uuid'
+        'name' => null'mime_type' => null'size' => null'created_date_utc' => null'updated_date_utc' => null'user' => null'id' => 'uuid''folder_id' => 'uuid'
     ];
 
     /**
@@ -109,14 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'Name',
-        'mime_type' => 'MimeType',
-        'size' => 'Size',
-        'created_date_utc' => 'CreatedDateUtc',
-        'updated_date_utc' => 'UpdatedDateUtc',
-        'user' => 'User',
-        'id' => 'Id',
-        'folder_id' => 'FolderId'
+        'name' => 'Name''mime_type' => 'MimeType''size' => 'Size''created_date_utc' => 'CreatedDateUtc''updated_date_utc' => 'UpdatedDateUtc''user' => 'User''id' => 'Id''folder_id' => 'FolderId'
     ];
 
     /**
@@ -125,14 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName',
-        'mime_type' => 'setMimeType',
-        'size' => 'setSize',
-        'created_date_utc' => 'setCreatedDateUtc',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'user' => 'setUser',
-        'id' => 'setId',
-        'folder_id' => 'setFolderId'
+        'name' => 'setName''mime_type' => 'setMimeType''size' => 'setSize''created_date_utc' => 'setCreatedDateUtc''updated_date_utc' => 'setUpdatedDateUtc''user' => 'setUser''id' => 'setId''folder_id' => 'setFolderId'
     ];
 
     /**
@@ -141,14 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName',
-        'mime_type' => 'getMimeType',
-        'size' => 'getSize',
-        'created_date_utc' => 'getCreatedDateUtc',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'user' => 'getUser',
-        'id' => 'getId',
-        'folder_id' => 'getFolderId'
+        'name' => 'getName''mime_type' => 'getMimeType''size' => 'getSize''created_date_utc' => 'getCreatedDateUtc''updated_date_utc' => 'getUpdatedDateUtc''user' => 'getUser''id' => 'getId''folder_id' => 'getFolderId'
     ];
 
     /**
@@ -467,6 +434,7 @@ public function setFolderId($folder_id)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -479,6 +447,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -492,6 +461,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -508,6 +478,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/File/Files.php b/lib/Models/File/Files.php
index 554f6ded..be42dfc1 100644
--- a/lib/Models/File/Files.php
+++ b/lib/Models/File/Files.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FileObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Files Class Doc Comment
  *
@@ -56,10 +58,7 @@ class Files implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'total_count' => 'int',
-        'page' => 'int',
-        'per_page' => 'int',
-        'items' => '\XeroAPI\XeroPHP\Models\File\FileObject[]'
+        'total_count' => 'int''page' => 'int''per_page' => 'int''items' => '\XeroAPI\XeroPHP\Models\File\FileObject[]'
     ];
 
     /**
@@ -68,10 +67,7 @@ class Files implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'total_count' => null,
-        'page' => null,
-        'per_page' => null,
-        'items' => null
+        'total_count' => null'page' => null'per_page' => null'items' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'total_count' => 'TotalCount',
-        'page' => 'Page',
-        'per_page' => 'PerPage',
-        'items' => 'Items'
+        'total_count' => 'TotalCount''page' => 'Page''per_page' => 'PerPage''items' => 'Items'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'total_count' => 'setTotalCount',
-        'page' => 'setPage',
-        'per_page' => 'setPerPage',
-        'items' => 'setItems'
+        'total_count' => 'setTotalCount''page' => 'setPage''per_page' => 'setPerPage''items' => 'setItems'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'total_count' => 'getTotalCount',
-        'page' => 'getPage',
-        'per_page' => 'getPerPage',
-        'items' => 'getItems'
+        'total_count' => 'getTotalCount''page' => 'getPage''per_page' => 'getPerPage''items' => 'getItems'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setItems($items)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/File/Folder.php b/lib/Models/File/Folder.php
index 8319cf8f..de301b68 100644
--- a/lib/Models/File/Folder.php
+++ b/lib/Models/File/Folder.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FileObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Folder Class Doc Comment
  *
@@ -56,11 +58,7 @@ class Folder implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string',
-        'file_count' => 'int',
-        'email' => 'string',
-        'is_inbox' => 'bool',
-        'id' => 'string'
+        'name' => 'string''file_count' => 'int''email' => 'string''is_inbox' => 'bool''id' => 'string'
     ];
 
     /**
@@ -69,11 +67,7 @@ class Folder implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null,
-        'file_count' => null,
-        'email' => null,
-        'is_inbox' => null,
-        'id' => 'uuid'
+        'name' => null'file_count' => null'email' => null'is_inbox' => null'id' => 'uuid'
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'Name',
-        'file_count' => 'FileCount',
-        'email' => 'Email',
-        'is_inbox' => 'IsInbox',
-        'id' => 'Id'
+        'name' => 'Name''file_count' => 'FileCount''email' => 'Email''is_inbox' => 'IsInbox''id' => 'Id'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName',
-        'file_count' => 'setFileCount',
-        'email' => 'setEmail',
-        'is_inbox' => 'setIsInbox',
-        'id' => 'setId'
+        'name' => 'setName''file_count' => 'setFileCount''email' => 'setEmail''is_inbox' => 'setIsInbox''id' => 'setId'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName',
-        'file_count' => 'getFileCount',
-        'email' => 'getEmail',
-        'is_inbox' => 'getIsInbox',
-        'id' => 'getId'
+        'name' => 'getName''file_count' => 'getFileCount''email' => 'getEmail''is_inbox' => 'getIsInbox''id' => 'getId'
     ];
 
     /**
@@ -368,6 +350,7 @@ public function setId($id)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -380,6 +363,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -393,6 +377,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -409,6 +394,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/File/Folders.php b/lib/Models/File/Folders.php
index 9733ddeb..60702c3c 100644
--- a/lib/Models/File/Folders.php
+++ b/lib/Models/File/Folders.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FileObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Folders Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setFolders($folders)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/File/ModelInterface.php b/lib/Models/File/ModelInterface.php
index 87496455..4e6f7275 100644
--- a/lib/Models/File/ModelInterface.php
+++ b/lib/Models/File/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/File/ObjectGroup.php b/lib/Models/File/ObjectGroup.php
index 6f02ebe1..004f8056 100644
--- a/lib/Models/File/ObjectGroup.php
+++ b/lib/Models/File/ObjectGroup.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\File;
 use \XeroAPI\XeroPHP\FileObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ObjectGroup Class Doc Comment
  *
diff --git a/lib/Models/File/ObjectType.php b/lib/Models/File/ObjectType.php
index 15e5a8ae..8f4c947f 100644
--- a/lib/Models/File/ObjectType.php
+++ b/lib/Models/File/ObjectType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\File;
 use \XeroAPI\XeroPHP\FileObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ObjectType Class Doc Comment
  *
diff --git a/lib/Models/File/UploadObject.php b/lib/Models/File/UploadObject.php
index 720963c2..4d4eab7c 100644
--- a/lib/Models/File/UploadObject.php
+++ b/lib/Models/File/UploadObject.php
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FileObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * UploadObject Class Doc Comment
  *
@@ -344,6 +346,7 @@ public function setMimeType($mime_type)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -356,6 +359,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -369,6 +373,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -385,6 +390,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/File/User.php b/lib/Models/File/User.php
index e7f5825d..ba3f4a61 100644
--- a/lib/Models/File/User.php
+++ b/lib/Models/File/User.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FileObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * User Class Doc Comment
  *
@@ -56,11 +58,7 @@ class User implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'id' => 'string',
-        'name' => 'string',
-        'first_name' => 'string',
-        'last_name' => 'string',
-        'full_name' => 'string'
+        'id' => 'string''name' => 'string''first_name' => 'string''last_name' => 'string''full_name' => 'string'
     ];
 
     /**
@@ -69,11 +67,7 @@ class User implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'id' => 'uuid',
-        'name' => null,
-        'first_name' => null,
-        'last_name' => null,
-        'full_name' => null
+        'id' => 'uuid''name' => null'first_name' => null'last_name' => null'full_name' => null
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'id' => 'Id',
-        'name' => 'Name',
-        'first_name' => 'FirstName',
-        'last_name' => 'LastName',
-        'full_name' => 'FullName'
+        'id' => 'Id''name' => 'Name''first_name' => 'FirstName''last_name' => 'LastName''full_name' => 'FullName'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'id' => 'setId',
-        'name' => 'setName',
-        'first_name' => 'setFirstName',
-        'last_name' => 'setLastName',
-        'full_name' => 'setFullName'
+        'id' => 'setId''name' => 'setName''first_name' => 'setFirstName''last_name' => 'setLastName''full_name' => 'setFullName'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'id' => 'getId',
-        'name' => 'getName',
-        'first_name' => 'getFirstName',
-        'last_name' => 'getLastName',
-        'full_name' => 'getFullName'
+        'id' => 'getId''name' => 'getName''first_name' => 'getFirstName''last_name' => 'getLastName''full_name' => 'getFullName'
     ];
 
     /**
@@ -371,6 +353,7 @@ public function setFullName($full_name)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,6 +366,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -396,6 +380,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -412,6 +397,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/AccountUsage.php b/lib/Models/Finance/AccountUsage.php
index c62dbdc4..da7f317b 100644
--- a/lib/Models/Finance/AccountUsage.php
+++ b/lib/Models/Finance/AccountUsage.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * AccountUsage Class Doc Comment
  *
@@ -56,19 +58,7 @@ class AccountUsage implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'month' => 'string',
-        'account_id' => 'string',
-        'currency_code' => 'string',
-        'total_received' => 'double',
-        'count_received' => 'int',
-        'total_paid' => 'double',
-        'count_paid' => 'int',
-        'total_manual_journal' => 'double',
-        'count_manual_journal' => 'int',
-        'account_name' => 'string',
-        'reporting_code' => 'string',
-        'reporting_code_name' => 'string',
-        'report_code_updated_date_utc' => '\DateTime'
+        'month' => 'string''account_id' => 'string''currency_code' => 'string''total_received' => 'double''count_received' => 'int''total_paid' => 'double''count_paid' => 'int''total_manual_journal' => 'double''count_manual_journal' => 'int''account_name' => 'string''reporting_code' => 'string''reporting_code_name' => 'string''report_code_updated_date_utc' => '\DateTime'
     ];
 
     /**
@@ -77,19 +67,7 @@ class AccountUsage implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'month' => null,
-        'account_id' => 'uuid',
-        'currency_code' => null,
-        'total_received' => 'double',
-        'count_received' => 'int32',
-        'total_paid' => 'double',
-        'count_paid' => 'int32',
-        'total_manual_journal' => 'double',
-        'count_manual_journal' => 'int32',
-        'account_name' => null,
-        'reporting_code' => null,
-        'reporting_code_name' => null,
-        'report_code_updated_date_utc' => 'date-time'
+        'month' => null'account_id' => 'uuid''currency_code' => null'total_received' => 'double''count_received' => 'int32''total_paid' => 'double''count_paid' => 'int32''total_manual_journal' => 'double''count_manual_journal' => 'int32''account_name' => null'reporting_code' => null'reporting_code_name' => null'report_code_updated_date_utc' => 'date-time'
     ];
 
     /**
@@ -119,19 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'month' => 'month',
-        'account_id' => 'accountId',
-        'currency_code' => 'currencyCode',
-        'total_received' => 'totalReceived',
-        'count_received' => 'countReceived',
-        'total_paid' => 'totalPaid',
-        'count_paid' => 'countPaid',
-        'total_manual_journal' => 'totalManualJournal',
-        'count_manual_journal' => 'countManualJournal',
-        'account_name' => 'accountName',
-        'reporting_code' => 'reportingCode',
-        'reporting_code_name' => 'reportingCodeName',
-        'report_code_updated_date_utc' => 'reportCodeUpdatedDateUtc'
+        'month' => 'month''account_id' => 'accountId''currency_code' => 'currencyCode''total_received' => 'totalReceived''count_received' => 'countReceived''total_paid' => 'totalPaid''count_paid' => 'countPaid''total_manual_journal' => 'totalManualJournal''count_manual_journal' => 'countManualJournal''account_name' => 'accountName''reporting_code' => 'reportingCode''reporting_code_name' => 'reportingCodeName''report_code_updated_date_utc' => 'reportCodeUpdatedDateUtc'
     ];
 
     /**
@@ -140,19 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'month' => 'setMonth',
-        'account_id' => 'setAccountId',
-        'currency_code' => 'setCurrencyCode',
-        'total_received' => 'setTotalReceived',
-        'count_received' => 'setCountReceived',
-        'total_paid' => 'setTotalPaid',
-        'count_paid' => 'setCountPaid',
-        'total_manual_journal' => 'setTotalManualJournal',
-        'count_manual_journal' => 'setCountManualJournal',
-        'account_name' => 'setAccountName',
-        'reporting_code' => 'setReportingCode',
-        'reporting_code_name' => 'setReportingCodeName',
-        'report_code_updated_date_utc' => 'setReportCodeUpdatedDateUtc'
+        'month' => 'setMonth''account_id' => 'setAccountId''currency_code' => 'setCurrencyCode''total_received' => 'setTotalReceived''count_received' => 'setCountReceived''total_paid' => 'setTotalPaid''count_paid' => 'setCountPaid''total_manual_journal' => 'setTotalManualJournal''count_manual_journal' => 'setCountManualJournal''account_name' => 'setAccountName''reporting_code' => 'setReportingCode''reporting_code_name' => 'setReportingCodeName''report_code_updated_date_utc' => 'setReportCodeUpdatedDateUtc'
     ];
 
     /**
@@ -161,19 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'month' => 'getMonth',
-        'account_id' => 'getAccountId',
-        'currency_code' => 'getCurrencyCode',
-        'total_received' => 'getTotalReceived',
-        'count_received' => 'getCountReceived',
-        'total_paid' => 'getTotalPaid',
-        'count_paid' => 'getCountPaid',
-        'total_manual_journal' => 'getTotalManualJournal',
-        'count_manual_journal' => 'getCountManualJournal',
-        'account_name' => 'getAccountName',
-        'reporting_code' => 'getReportingCode',
-        'reporting_code_name' => 'getReportingCodeName',
-        'report_code_updated_date_utc' => 'getReportCodeUpdatedDateUtc'
+        'month' => 'getMonth''account_id' => 'getAccountId''currency_code' => 'getCurrencyCode''total_received' => 'getTotalReceived''count_received' => 'getCountReceived''total_paid' => 'getTotalPaid''count_paid' => 'getCountPaid''total_manual_journal' => 'getTotalManualJournal''count_manual_journal' => 'getCountManualJournal''account_name' => 'getAccountName''reporting_code' => 'getReportingCode''reporting_code_name' => 'getReportingCodeName''report_code_updated_date_utc' => 'getReportCodeUpdatedDateUtc'
     ];
 
     /**
@@ -632,6 +574,7 @@ public function setReportCodeUpdatedDateUtc($report_code_updated_date_utc)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -644,6 +587,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -657,6 +601,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -673,6 +618,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/AccountUsageResponse.php b/lib/Models/Finance/AccountUsageResponse.php
index 751fb5d5..ea8a3015 100644
--- a/lib/Models/Finance/AccountUsageResponse.php
+++ b/lib/Models/Finance/AccountUsageResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * AccountUsageResponse Class Doc Comment
  *
@@ -56,10 +58,7 @@ class AccountUsageResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'organisation_id' => 'string',
-        'start_month' => 'string',
-        'end_month' => 'string',
-        'account_usage' => '\XeroAPI\XeroPHP\Models\Finance\AccountUsage[]'
+        'organisation_id' => 'string''start_month' => 'string''end_month' => 'string''account_usage' => '\XeroAPI\XeroPHP\Models\Finance\AccountUsage[]'
     ];
 
     /**
@@ -68,10 +67,7 @@ class AccountUsageResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'organisation_id' => 'uuid',
-        'start_month' => null,
-        'end_month' => null,
-        'account_usage' => null
+        'organisation_id' => 'uuid''start_month' => null'end_month' => null'account_usage' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'organisation_id' => 'organisationId',
-        'start_month' => 'startMonth',
-        'end_month' => 'endMonth',
-        'account_usage' => 'accountUsage'
+        'organisation_id' => 'organisationId''start_month' => 'startMonth''end_month' => 'endMonth''account_usage' => 'accountUsage'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'organisation_id' => 'setOrganisationId',
-        'start_month' => 'setStartMonth',
-        'end_month' => 'setEndMonth',
-        'account_usage' => 'setAccountUsage'
+        'organisation_id' => 'setOrganisationId''start_month' => 'setStartMonth''end_month' => 'setEndMonth''account_usage' => 'setAccountUsage'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'organisation_id' => 'getOrganisationId',
-        'start_month' => 'getStartMonth',
-        'end_month' => 'getEndMonth',
-        'account_usage' => 'getAccountUsage'
+        'organisation_id' => 'getOrganisationId''start_month' => 'getStartMonth''end_month' => 'getEndMonth''account_usage' => 'getAccountUsage'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setAccountUsage($account_usage)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/BalanceSheetAccountDetail.php b/lib/Models/Finance/BalanceSheetAccountDetail.php
index f806eeb5..32bdc5fe 100644
--- a/lib/Models/Finance/BalanceSheetAccountDetail.php
+++ b/lib/Models/Finance/BalanceSheetAccountDetail.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * BalanceSheetAccountDetail Class Doc Comment
  *
@@ -56,11 +58,7 @@ class BalanceSheetAccountDetail implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'code' => 'string',
-        'account_id' => 'string',
-        'name' => 'string',
-        'reporting_code' => 'string',
-        'total' => 'double'
+        'code' => 'string''account_id' => 'string''name' => 'string''reporting_code' => 'string''total' => 'double'
     ];
 
     /**
@@ -69,11 +67,7 @@ class BalanceSheetAccountDetail implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'code' => null,
-        'account_id' => 'uuid',
-        'name' => null,
-        'reporting_code' => null,
-        'total' => 'double'
+        'code' => null'account_id' => 'uuid''name' => null'reporting_code' => null'total' => 'double'
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'code' => 'code',
-        'account_id' => 'accountID',
-        'name' => 'name',
-        'reporting_code' => 'reportingCode',
-        'total' => 'total'
+        'code' => 'code''account_id' => 'accountID''name' => 'name''reporting_code' => 'reportingCode''total' => 'total'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'code' => 'setCode',
-        'account_id' => 'setAccountId',
-        'name' => 'setName',
-        'reporting_code' => 'setReportingCode',
-        'total' => 'setTotal'
+        'code' => 'setCode''account_id' => 'setAccountId''name' => 'setName''reporting_code' => 'setReportingCode''total' => 'setTotal'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'code' => 'getCode',
-        'account_id' => 'getAccountId',
-        'name' => 'getName',
-        'reporting_code' => 'getReportingCode',
-        'total' => 'getTotal'
+        'code' => 'getCode''account_id' => 'getAccountId''name' => 'getName''reporting_code' => 'getReportingCode''total' => 'getTotal'
     ];
 
     /**
@@ -368,6 +350,7 @@ public function setTotal($total)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -380,6 +363,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -393,6 +377,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -409,6 +394,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/BalanceSheetAccountGroup.php b/lib/Models/Finance/BalanceSheetAccountGroup.php
index eb327a92..ecdbc264 100644
--- a/lib/Models/Finance/BalanceSheetAccountGroup.php
+++ b/lib/Models/Finance/BalanceSheetAccountGroup.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * BalanceSheetAccountGroup Class Doc Comment
  *
@@ -56,8 +58,7 @@ class BalanceSheetAccountGroup implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_types' => '\XeroAPI\XeroPHP\Models\Finance\BalanceSheetAccountType[]',
-        'total' => 'double'
+        'account_types' => '\XeroAPI\XeroPHP\Models\Finance\BalanceSheetAccountType[]''total' => 'double'
     ];
 
     /**
@@ -66,8 +67,7 @@ class BalanceSheetAccountGroup implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_types' => null,
-        'total' => 'double'
+        'account_types' => null'total' => 'double'
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_types' => 'accountTypes',
-        'total' => 'total'
+        'account_types' => 'accountTypes''total' => 'total'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_types' => 'setAccountTypes',
-        'total' => 'setTotal'
+        'account_types' => 'setAccountTypes''total' => 'setTotal'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_types' => 'getAccountTypes',
-        'total' => 'getTotal'
+        'account_types' => 'getAccountTypes''total' => 'getTotal'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setTotal($total)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/BalanceSheetAccountType.php b/lib/Models/Finance/BalanceSheetAccountType.php
index 119c4cfe..6741be56 100644
--- a/lib/Models/Finance/BalanceSheetAccountType.php
+++ b/lib/Models/Finance/BalanceSheetAccountType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * BalanceSheetAccountType Class Doc Comment
  *
@@ -56,9 +58,7 @@ class BalanceSheetAccountType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_type' => 'string',
-        'accounts' => '\XeroAPI\XeroPHP\Models\Finance\BalanceSheetAccountDetail[]',
-        'total' => 'double'
+        'account_type' => 'string''accounts' => '\XeroAPI\XeroPHP\Models\Finance\BalanceSheetAccountDetail[]''total' => 'double'
     ];
 
     /**
@@ -67,9 +67,7 @@ class BalanceSheetAccountType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_type' => null,
-        'accounts' => null,
-        'total' => 'double'
+        'account_type' => null'accounts' => null'total' => 'double'
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_type' => 'accountType',
-        'accounts' => 'accounts',
-        'total' => 'total'
+        'account_type' => 'accountType''accounts' => 'accounts''total' => 'total'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_type' => 'setAccountType',
-        'accounts' => 'setAccounts',
-        'total' => 'setTotal'
+        'account_type' => 'setAccountType''accounts' => 'setAccounts''total' => 'setTotal'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_type' => 'getAccountType',
-        'accounts' => 'getAccounts',
-        'total' => 'getTotal'
+        'account_type' => 'getAccountType''accounts' => 'getAccounts''total' => 'getTotal'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setTotal($total)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/BalanceSheetResponse.php b/lib/Models/Finance/BalanceSheetResponse.php
index f915a5fb..a74d18e2 100644
--- a/lib/Models/Finance/BalanceSheetResponse.php
+++ b/lib/Models/Finance/BalanceSheetResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * BalanceSheetResponse Class Doc Comment
  *
@@ -56,10 +58,7 @@ class BalanceSheetResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'balance_date' => '\DateTime',
-        'asset' => '\XeroAPI\XeroPHP\Models\Finance\BalanceSheetAccountGroup',
-        'liability' => '\XeroAPI\XeroPHP\Models\Finance\BalanceSheetAccountGroup',
-        'equity' => '\XeroAPI\XeroPHP\Models\Finance\BalanceSheetAccountGroup'
+        'balance_date' => '\DateTime''asset' => '\XeroAPI\XeroPHP\Models\Finance\BalanceSheetAccountGroup''liability' => '\XeroAPI\XeroPHP\Models\Finance\BalanceSheetAccountGroup''equity' => '\XeroAPI\XeroPHP\Models\Finance\BalanceSheetAccountGroup'
     ];
 
     /**
@@ -68,10 +67,7 @@ class BalanceSheetResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'balance_date' => 'date',
-        'asset' => null,
-        'liability' => null,
-        'equity' => null
+        'balance_date' => 'date''asset' => null'liability' => null'equity' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'balance_date' => 'balanceDate',
-        'asset' => 'asset',
-        'liability' => 'liability',
-        'equity' => 'equity'
+        'balance_date' => 'balanceDate''asset' => 'asset''liability' => 'liability''equity' => 'equity'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'balance_date' => 'setBalanceDate',
-        'asset' => 'setAsset',
-        'liability' => 'setLiability',
-        'equity' => 'setEquity'
+        'balance_date' => 'setBalanceDate''asset' => 'setAsset''liability' => 'setLiability''equity' => 'setEquity'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'balance_date' => 'getBalanceDate',
-        'asset' => 'getAsset',
-        'liability' => 'getLiability',
-        'equity' => 'getEquity'
+        'balance_date' => 'getBalanceDate''asset' => 'getAsset''liability' => 'getLiability''equity' => 'getEquity'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setEquity($equity)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/BankStatementAccountingResponse.php b/lib/Models/Finance/BankStatementAccountingResponse.php
index ecce755b..d15c45ce 100644
--- a/lib/Models/Finance/BankStatementAccountingResponse.php
+++ b/lib/Models/Finance/BankStatementAccountingResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * BankStatementAccountingResponse Class Doc Comment
  *
@@ -56,10 +58,7 @@ class BankStatementAccountingResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'bank_account_id' => 'string',
-        'bank_account_name' => 'string',
-        'bank_account_currency_code' => 'string',
-        'statements' => '\XeroAPI\XeroPHP\Models\Finance\StatementResponse[]'
+        'bank_account_id' => 'string''bank_account_name' => 'string''bank_account_currency_code' => 'string''statements' => '\XeroAPI\XeroPHP\Models\Finance\StatementResponse[]'
     ];
 
     /**
@@ -68,10 +67,7 @@ class BankStatementAccountingResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'bank_account_id' => 'uuid',
-        'bank_account_name' => null,
-        'bank_account_currency_code' => null,
-        'statements' => null
+        'bank_account_id' => 'uuid''bank_account_name' => null'bank_account_currency_code' => null'statements' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'bank_account_id' => 'bankAccountId',
-        'bank_account_name' => 'bankAccountName',
-        'bank_account_currency_code' => 'bankAccountCurrencyCode',
-        'statements' => 'statements'
+        'bank_account_id' => 'bankAccountId''bank_account_name' => 'bankAccountName''bank_account_currency_code' => 'bankAccountCurrencyCode''statements' => 'statements'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'bank_account_id' => 'setBankAccountId',
-        'bank_account_name' => 'setBankAccountName',
-        'bank_account_currency_code' => 'setBankAccountCurrencyCode',
-        'statements' => 'setStatements'
+        'bank_account_id' => 'setBankAccountId''bank_account_name' => 'setBankAccountName''bank_account_currency_code' => 'setBankAccountCurrencyCode''statements' => 'setStatements'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'bank_account_id' => 'getBankAccountId',
-        'bank_account_name' => 'getBankAccountName',
-        'bank_account_currency_code' => 'getBankAccountCurrencyCode',
-        'statements' => 'getStatements'
+        'bank_account_id' => 'getBankAccountId''bank_account_name' => 'getBankAccountName''bank_account_currency_code' => 'getBankAccountCurrencyCode''statements' => 'getStatements'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setStatements($statements)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/BankStatementResponse.php b/lib/Models/Finance/BankStatementResponse.php
index f957aa35..8cb16b48 100644
--- a/lib/Models/Finance/BankStatementResponse.php
+++ b/lib/Models/Finance/BankStatementResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * BankStatementResponse Class Doc Comment
  *
@@ -56,8 +58,7 @@ class BankStatementResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'statement_lines' => '\XeroAPI\XeroPHP\Models\Finance\StatementLinesResponse',
-        'current_statement' => '\XeroAPI\XeroPHP\Models\Finance\CurrentStatementResponse'
+        'statement_lines' => '\XeroAPI\XeroPHP\Models\Finance\StatementLinesResponse''current_statement' => '\XeroAPI\XeroPHP\Models\Finance\CurrentStatementResponse'
     ];
 
     /**
@@ -66,8 +67,7 @@ class BankStatementResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'statement_lines' => null,
-        'current_statement' => null
+        'statement_lines' => null'current_statement' => null
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'statement_lines' => 'statementLines',
-        'current_statement' => 'currentStatement'
+        'statement_lines' => 'statementLines''current_statement' => 'currentStatement'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'statement_lines' => 'setStatementLines',
-        'current_statement' => 'setCurrentStatement'
+        'statement_lines' => 'setStatementLines''current_statement' => 'setCurrentStatement'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'statement_lines' => 'getStatementLines',
-        'current_statement' => 'getCurrentStatement'
+        'statement_lines' => 'getStatementLines''current_statement' => 'getCurrentStatement'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setCurrentStatement($current_statement)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/BankTransactionResponse.php b/lib/Models/Finance/BankTransactionResponse.php
index 6ef3dd42..5a5781e6 100644
--- a/lib/Models/Finance/BankTransactionResponse.php
+++ b/lib/Models/Finance/BankTransactionResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * BankTransactionResponse Class Doc Comment
  *
@@ -56,12 +58,7 @@ class BankTransactionResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'bank_transaction_id' => 'string',
-        'batch_payment_id' => 'string',
-        'contact' => '\XeroAPI\XeroPHP\Models\Finance\ContactResponse',
-        'date' => '\DateTime',
-        'amount' => 'double',
-        'line_items' => '\XeroAPI\XeroPHP\Models\Finance\LineItemResponse[]'
+        'bank_transaction_id' => 'string''batch_payment_id' => 'string''contact' => '\XeroAPI\XeroPHP\Models\Finance\ContactResponse''date' => '\DateTime''amount' => 'double''line_items' => '\XeroAPI\XeroPHP\Models\Finance\LineItemResponse[]'
     ];
 
     /**
@@ -70,12 +67,7 @@ class BankTransactionResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'bank_transaction_id' => 'uuid',
-        'batch_payment_id' => 'uuid',
-        'contact' => null,
-        'date' => 'date',
-        'amount' => 'double',
-        'line_items' => null
+        'bank_transaction_id' => 'uuid''batch_payment_id' => 'uuid''contact' => null'date' => 'date''amount' => 'double''line_items' => null
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'bank_transaction_id' => 'bankTransactionId',
-        'batch_payment_id' => 'batchPaymentId',
-        'contact' => 'contact',
-        'date' => 'date',
-        'amount' => 'amount',
-        'line_items' => 'lineItems'
+        'bank_transaction_id' => 'bankTransactionId''batch_payment_id' => 'batchPaymentId''contact' => 'contact''date' => 'date''amount' => 'amount''line_items' => 'lineItems'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'bank_transaction_id' => 'setBankTransactionId',
-        'batch_payment_id' => 'setBatchPaymentId',
-        'contact' => 'setContact',
-        'date' => 'setDate',
-        'amount' => 'setAmount',
-        'line_items' => 'setLineItems'
+        'bank_transaction_id' => 'setBankTransactionId''batch_payment_id' => 'setBatchPaymentId''contact' => 'setContact''date' => 'setDate''amount' => 'setAmount''line_items' => 'setLineItems'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'bank_transaction_id' => 'getBankTransactionId',
-        'batch_payment_id' => 'getBatchPaymentId',
-        'contact' => 'getContact',
-        'date' => 'getDate',
-        'amount' => 'getAmount',
-        'line_items' => 'getLineItems'
+        'bank_transaction_id' => 'getBankTransactionId''batch_payment_id' => 'getBatchPaymentId''contact' => 'getContact''date' => 'getDate''amount' => 'getAmount''line_items' => 'getLineItems'
     ];
 
     /**
@@ -401,6 +378,7 @@ public function setLineItems($line_items)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -413,6 +391,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -426,6 +405,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -442,6 +422,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/CashAccountResponse.php b/lib/Models/Finance/CashAccountResponse.php
index c96c4571..bc1d6752 100644
--- a/lib/Models/Finance/CashAccountResponse.php
+++ b/lib/Models/Finance/CashAccountResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * CashAccountResponse Class Doc Comment
  *
@@ -56,11 +58,7 @@ class CashAccountResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'unreconciled_amount_pos' => 'double',
-        'unreconciled_amount_neg' => 'double',
-        'starting_balance' => 'double',
-        'account_balance' => 'double',
-        'balance_currency' => 'string'
+        'unreconciled_amount_pos' => 'double''unreconciled_amount_neg' => 'double''starting_balance' => 'double''account_balance' => 'double''balance_currency' => 'string'
     ];
 
     /**
@@ -69,11 +67,7 @@ class CashAccountResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'unreconciled_amount_pos' => 'double',
-        'unreconciled_amount_neg' => 'double',
-        'starting_balance' => 'double',
-        'account_balance' => 'double',
-        'balance_currency' => null
+        'unreconciled_amount_pos' => 'double''unreconciled_amount_neg' => 'double''starting_balance' => 'double''account_balance' => 'double''balance_currency' => null
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'unreconciled_amount_pos' => 'unreconciledAmountPos',
-        'unreconciled_amount_neg' => 'unreconciledAmountNeg',
-        'starting_balance' => 'startingBalance',
-        'account_balance' => 'accountBalance',
-        'balance_currency' => 'balanceCurrency'
+        'unreconciled_amount_pos' => 'unreconciledAmountPos''unreconciled_amount_neg' => 'unreconciledAmountNeg''starting_balance' => 'startingBalance''account_balance' => 'accountBalance''balance_currency' => 'balanceCurrency'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'unreconciled_amount_pos' => 'setUnreconciledAmountPos',
-        'unreconciled_amount_neg' => 'setUnreconciledAmountNeg',
-        'starting_balance' => 'setStartingBalance',
-        'account_balance' => 'setAccountBalance',
-        'balance_currency' => 'setBalanceCurrency'
+        'unreconciled_amount_pos' => 'setUnreconciledAmountPos''unreconciled_amount_neg' => 'setUnreconciledAmountNeg''starting_balance' => 'setStartingBalance''account_balance' => 'setAccountBalance''balance_currency' => 'setBalanceCurrency'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'unreconciled_amount_pos' => 'getUnreconciledAmountPos',
-        'unreconciled_amount_neg' => 'getUnreconciledAmountNeg',
-        'starting_balance' => 'getStartingBalance',
-        'account_balance' => 'getAccountBalance',
-        'balance_currency' => 'getBalanceCurrency'
+        'unreconciled_amount_pos' => 'getUnreconciledAmountPos''unreconciled_amount_neg' => 'getUnreconciledAmountNeg''starting_balance' => 'getStartingBalance''account_balance' => 'getAccountBalance''balance_currency' => 'getBalanceCurrency'
     ];
 
     /**
@@ -368,6 +350,7 @@ public function setBalanceCurrency($balance_currency)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -380,6 +363,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -393,6 +377,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -409,6 +394,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/CashBalance.php b/lib/Models/Finance/CashBalance.php
index f069bc84..70069212 100644
--- a/lib/Models/Finance/CashBalance.php
+++ b/lib/Models/Finance/CashBalance.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * CashBalance Class Doc Comment
  *
@@ -56,9 +58,7 @@ class CashBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'opening_cash_balance' => 'double',
-        'closing_cash_balance' => 'double',
-        'net_cash_movement' => 'double'
+        'opening_cash_balance' => 'double''closing_cash_balance' => 'double''net_cash_movement' => 'double'
     ];
 
     /**
@@ -67,9 +67,7 @@ class CashBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'opening_cash_balance' => 'double',
-        'closing_cash_balance' => 'double',
-        'net_cash_movement' => 'double'
+        'opening_cash_balance' => 'double''closing_cash_balance' => 'double''net_cash_movement' => 'double'
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'opening_cash_balance' => 'openingCashBalance',
-        'closing_cash_balance' => 'closingCashBalance',
-        'net_cash_movement' => 'netCashMovement'
+        'opening_cash_balance' => 'openingCashBalance''closing_cash_balance' => 'closingCashBalance''net_cash_movement' => 'netCashMovement'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'opening_cash_balance' => 'setOpeningCashBalance',
-        'closing_cash_balance' => 'setClosingCashBalance',
-        'net_cash_movement' => 'setNetCashMovement'
+        'opening_cash_balance' => 'setOpeningCashBalance''closing_cash_balance' => 'setClosingCashBalance''net_cash_movement' => 'setNetCashMovement'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'opening_cash_balance' => 'getOpeningCashBalance',
-        'closing_cash_balance' => 'getClosingCashBalance',
-        'net_cash_movement' => 'getNetCashMovement'
+        'opening_cash_balance' => 'getOpeningCashBalance''closing_cash_balance' => 'getClosingCashBalance''net_cash_movement' => 'getNetCashMovement'
     ];
 
     /**
@@ -301,6 +293,7 @@ public function setNetCashMovement($net_cash_movement)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -313,6 +306,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -326,6 +320,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -342,6 +337,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/CashValidationResponse.php b/lib/Models/Finance/CashValidationResponse.php
index 9b8d339c..88ff01e8 100644
--- a/lib/Models/Finance/CashValidationResponse.php
+++ b/lib/Models/Finance/CashValidationResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * CashValidationResponse Class Doc Comment
  *
@@ -56,11 +58,7 @@ class CashValidationResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_id' => 'string',
-        'statement_balance' => '\XeroAPI\XeroPHP\Models\Finance\StatementBalanceResponse',
-        'statement_balance_date' => '\DateTime',
-        'bank_statement' => '\XeroAPI\XeroPHP\Models\Finance\BankStatementResponse',
-        'cash_account' => '\XeroAPI\XeroPHP\Models\Finance\CashAccountResponse'
+        'account_id' => 'string''statement_balance' => '\XeroAPI\XeroPHP\Models\Finance\StatementBalanceResponse''statement_balance_date' => '\DateTime''bank_statement' => '\XeroAPI\XeroPHP\Models\Finance\BankStatementResponse''cash_account' => '\XeroAPI\XeroPHP\Models\Finance\CashAccountResponse'
     ];
 
     /**
@@ -69,11 +67,7 @@ class CashValidationResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_id' => 'uuid',
-        'statement_balance' => null,
-        'statement_balance_date' => 'date',
-        'bank_statement' => null,
-        'cash_account' => null
+        'account_id' => 'uuid''statement_balance' => null'statement_balance_date' => 'date''bank_statement' => null'cash_account' => null
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_id' => 'accountId',
-        'statement_balance' => 'statementBalance',
-        'statement_balance_date' => 'statementBalanceDate',
-        'bank_statement' => 'bankStatement',
-        'cash_account' => 'cashAccount'
+        'account_id' => 'accountId''statement_balance' => 'statementBalance''statement_balance_date' => 'statementBalanceDate''bank_statement' => 'bankStatement''cash_account' => 'cashAccount'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_id' => 'setAccountId',
-        'statement_balance' => 'setStatementBalance',
-        'statement_balance_date' => 'setStatementBalanceDate',
-        'bank_statement' => 'setBankStatement',
-        'cash_account' => 'setCashAccount'
+        'account_id' => 'setAccountId''statement_balance' => 'setStatementBalance''statement_balance_date' => 'setStatementBalanceDate''bank_statement' => 'setBankStatement''cash_account' => 'setCashAccount'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_id' => 'getAccountId',
-        'statement_balance' => 'getStatementBalance',
-        'statement_balance_date' => 'getStatementBalanceDate',
-        'bank_statement' => 'getBankStatement',
-        'cash_account' => 'getCashAccount'
+        'account_id' => 'getAccountId''statement_balance' => 'getStatementBalance''statement_balance_date' => 'getStatementBalanceDate''bank_statement' => 'getBankStatement''cash_account' => 'getCashAccount'
     ];
 
     /**
@@ -368,6 +350,7 @@ public function setCashAccount($cash_account)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -380,6 +363,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -393,6 +377,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -409,6 +394,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/CashflowAccount.php b/lib/Models/Finance/CashflowAccount.php
index 765ccaf4..d26fbecf 100644
--- a/lib/Models/Finance/CashflowAccount.php
+++ b/lib/Models/Finance/CashflowAccount.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * CashflowAccount Class Doc Comment
  *
@@ -56,13 +58,7 @@ class CashflowAccount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_id' => 'string',
-        'account_type' => 'string',
-        'account_class' => 'string',
-        'code' => 'string',
-        'name' => 'string',
-        'reporting_code' => 'string',
-        'total' => 'double'
+        'account_id' => 'string''account_type' => 'string''account_class' => 'string''code' => 'string''name' => 'string''reporting_code' => 'string''total' => 'double'
     ];
 
     /**
@@ -71,13 +67,7 @@ class CashflowAccount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_id' => 'uuid',
-        'account_type' => null,
-        'account_class' => null,
-        'code' => null,
-        'name' => null,
-        'reporting_code' => null,
-        'total' => 'double'
+        'account_id' => 'uuid''account_type' => null'account_class' => null'code' => null'name' => null'reporting_code' => null'total' => 'double'
     ];
 
     /**
@@ -107,13 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_id' => 'accountId',
-        'account_type' => 'accountType',
-        'account_class' => 'accountClass',
-        'code' => 'code',
-        'name' => 'name',
-        'reporting_code' => 'reportingCode',
-        'total' => 'total'
+        'account_id' => 'accountId''account_type' => 'accountType''account_class' => 'accountClass''code' => 'code''name' => 'name''reporting_code' => 'reportingCode''total' => 'total'
     ];
 
     /**
@@ -122,13 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_id' => 'setAccountId',
-        'account_type' => 'setAccountType',
-        'account_class' => 'setAccountClass',
-        'code' => 'setCode',
-        'name' => 'setName',
-        'reporting_code' => 'setReportingCode',
-        'total' => 'setTotal'
+        'account_id' => 'setAccountId''account_type' => 'setAccountType''account_class' => 'setAccountClass''code' => 'setCode''name' => 'setName''reporting_code' => 'setReportingCode''total' => 'setTotal'
     ];
 
     /**
@@ -137,13 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_id' => 'getAccountId',
-        'account_type' => 'getAccountType',
-        'account_class' => 'getAccountClass',
-        'code' => 'getCode',
-        'name' => 'getName',
-        'reporting_code' => 'getReportingCode',
-        'total' => 'getTotal'
+        'account_id' => 'getAccountId''account_type' => 'getAccountType''account_class' => 'getAccountClass''code' => 'getCode''name' => 'getName''reporting_code' => 'getReportingCode''total' => 'getTotal'
     ];
 
     /**
@@ -434,6 +406,7 @@ public function setTotal($total)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -446,6 +419,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -459,6 +433,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -475,6 +450,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/CashflowActivity.php b/lib/Models/Finance/CashflowActivity.php
index ca0c7314..121da74a 100644
--- a/lib/Models/Finance/CashflowActivity.php
+++ b/lib/Models/Finance/CashflowActivity.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * CashflowActivity Class Doc Comment
  *
@@ -56,9 +58,7 @@ class CashflowActivity implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string',
-        'total' => 'double',
-        'cashflow_types' => '\XeroAPI\XeroPHP\Models\Finance\CashflowType[]'
+        'name' => 'string''total' => 'double''cashflow_types' => '\XeroAPI\XeroPHP\Models\Finance\CashflowType[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class CashflowActivity implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null,
-        'total' => 'double',
-        'cashflow_types' => null
+        'name' => null'total' => 'double''cashflow_types' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'name',
-        'total' => 'total',
-        'cashflow_types' => 'cashflowTypes'
+        'name' => 'name''total' => 'total''cashflow_types' => 'cashflowTypes'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName',
-        'total' => 'setTotal',
-        'cashflow_types' => 'setCashflowTypes'
+        'name' => 'setName''total' => 'setTotal''cashflow_types' => 'setCashflowTypes'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName',
-        'total' => 'getTotal',
-        'cashflow_types' => 'getCashflowTypes'
+        'name' => 'getName''total' => 'getTotal''cashflow_types' => 'getCashflowTypes'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setCashflowTypes($cashflow_types)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/CashflowResponse.php b/lib/Models/Finance/CashflowResponse.php
index 56d31950..29c2838e 100644
--- a/lib/Models/Finance/CashflowResponse.php
+++ b/lib/Models/Finance/CashflowResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * CashflowResponse Class Doc Comment
  *
@@ -56,10 +58,7 @@ class CashflowResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'start_date' => '\DateTime',
-        'end_date' => '\DateTime',
-        'cash_balance' => '\XeroAPI\XeroPHP\Models\Finance\CashBalance',
-        'cashflow_activities' => '\XeroAPI\XeroPHP\Models\Finance\CashflowActivity[]'
+        'start_date' => '\DateTime''end_date' => '\DateTime''cash_balance' => '\XeroAPI\XeroPHP\Models\Finance\CashBalance''cashflow_activities' => '\XeroAPI\XeroPHP\Models\Finance\CashflowActivity[]'
     ];
 
     /**
@@ -68,10 +67,7 @@ class CashflowResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'start_date' => 'date',
-        'end_date' => 'date',
-        'cash_balance' => null,
-        'cashflow_activities' => null
+        'start_date' => 'date''end_date' => 'date''cash_balance' => null'cashflow_activities' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'start_date' => 'startDate',
-        'end_date' => 'endDate',
-        'cash_balance' => 'cashBalance',
-        'cashflow_activities' => 'cashflowActivities'
+        'start_date' => 'startDate''end_date' => 'endDate''cash_balance' => 'cashBalance''cashflow_activities' => 'cashflowActivities'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'start_date' => 'setStartDate',
-        'end_date' => 'setEndDate',
-        'cash_balance' => 'setCashBalance',
-        'cashflow_activities' => 'setCashflowActivities'
+        'start_date' => 'setStartDate''end_date' => 'setEndDate''cash_balance' => 'setCashBalance''cashflow_activities' => 'setCashflowActivities'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'start_date' => 'getStartDate',
-        'end_date' => 'getEndDate',
-        'cash_balance' => 'getCashBalance',
-        'cashflow_activities' => 'getCashflowActivities'
+        'start_date' => 'getStartDate''end_date' => 'getEndDate''cash_balance' => 'getCashBalance''cashflow_activities' => 'getCashflowActivities'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setCashflowActivities($cashflow_activities)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/CashflowType.php b/lib/Models/Finance/CashflowType.php
index ae5f092f..33fac9ab 100644
--- a/lib/Models/Finance/CashflowType.php
+++ b/lib/Models/Finance/CashflowType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * CashflowType Class Doc Comment
  *
@@ -56,9 +58,7 @@ class CashflowType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string',
-        'total' => 'double',
-        'accounts' => '\XeroAPI\XeroPHP\Models\Finance\CashflowAccount[]'
+        'name' => 'string''total' => 'double''accounts' => '\XeroAPI\XeroPHP\Models\Finance\CashflowAccount[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class CashflowType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null,
-        'total' => 'double',
-        'accounts' => null
+        'name' => null'total' => 'double''accounts' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'name',
-        'total' => 'total',
-        'accounts' => 'accounts'
+        'name' => 'name''total' => 'total''accounts' => 'accounts'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName',
-        'total' => 'setTotal',
-        'accounts' => 'setAccounts'
+        'name' => 'setName''total' => 'setTotal''accounts' => 'setAccounts'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName',
-        'total' => 'getTotal',
-        'accounts' => 'getAccounts'
+        'name' => 'getName''total' => 'getTotal''accounts' => 'getAccounts'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setAccounts($accounts)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/ContactDetail.php b/lib/Models/Finance/ContactDetail.php
index d664978a..065632d3 100644
--- a/lib/Models/Finance/ContactDetail.php
+++ b/lib/Models/Finance/ContactDetail.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ContactDetail Class Doc Comment
  *
@@ -56,12 +58,7 @@ class ContactDetail implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'contact_id' => 'string',
-        'name' => 'string',
-        'total' => 'double',
-        'total_detail' => '\XeroAPI\XeroPHP\Models\Finance\ContactTotalDetail',
-        'total_other' => '\XeroAPI\XeroPHP\Models\Finance\ContactTotalOther',
-        'account_codes' => 'string[]'
+        'contact_id' => 'string''name' => 'string''total' => 'double''total_detail' => '\XeroAPI\XeroPHP\Models\Finance\ContactTotalDetail''total_other' => '\XeroAPI\XeroPHP\Models\Finance\ContactTotalOther''account_codes' => 'string[]'
     ];
 
     /**
@@ -70,12 +67,7 @@ class ContactDetail implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'contact_id' => 'uuid',
-        'name' => null,
-        'total' => 'double',
-        'total_detail' => null,
-        'total_other' => null,
-        'account_codes' => null
+        'contact_id' => 'uuid''name' => null'total' => 'double''total_detail' => null'total_other' => null'account_codes' => null
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'contact_id' => 'contactId',
-        'name' => 'name',
-        'total' => 'total',
-        'total_detail' => 'totalDetail',
-        'total_other' => 'totalOther',
-        'account_codes' => 'accountCodes'
+        'contact_id' => 'contactId''name' => 'name''total' => 'total''total_detail' => 'totalDetail''total_other' => 'totalOther''account_codes' => 'accountCodes'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'contact_id' => 'setContactId',
-        'name' => 'setName',
-        'total' => 'setTotal',
-        'total_detail' => 'setTotalDetail',
-        'total_other' => 'setTotalOther',
-        'account_codes' => 'setAccountCodes'
+        'contact_id' => 'setContactId''name' => 'setName''total' => 'setTotal''total_detail' => 'setTotalDetail''total_other' => 'setTotalOther''account_codes' => 'setAccountCodes'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'contact_id' => 'getContactId',
-        'name' => 'getName',
-        'total' => 'getTotal',
-        'total_detail' => 'getTotalDetail',
-        'total_other' => 'getTotalOther',
-        'account_codes' => 'getAccountCodes'
+        'contact_id' => 'getContactId''name' => 'getName''total' => 'getTotal''total_detail' => 'getTotalDetail''total_other' => 'getTotalOther''account_codes' => 'getAccountCodes'
     ];
 
     /**
@@ -401,6 +378,7 @@ public function setAccountCodes($account_codes)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -413,6 +391,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -426,6 +405,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -442,6 +422,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/ContactResponse.php b/lib/Models/Finance/ContactResponse.php
index adb6fb3d..82901bb6 100644
--- a/lib/Models/Finance/ContactResponse.php
+++ b/lib/Models/Finance/ContactResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ContactResponse Class Doc Comment
  *
@@ -56,8 +58,7 @@ class ContactResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'contact_id' => 'string',
-        'contact_name' => 'string'
+        'contact_id' => 'string''contact_name' => 'string'
     ];
 
     /**
@@ -66,8 +67,7 @@ class ContactResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'contact_id' => 'uuid',
-        'contact_name' => null
+        'contact_id' => 'uuid''contact_name' => null
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'contact_id' => 'contactId',
-        'contact_name' => 'contactName'
+        'contact_id' => 'contactId''contact_name' => 'contactName'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'contact_id' => 'setContactId',
-        'contact_name' => 'setContactName'
+        'contact_id' => 'setContactId''contact_name' => 'setContactName'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'contact_id' => 'getContactId',
-        'contact_name' => 'getContactName'
+        'contact_id' => 'getContactId''contact_name' => 'getContactName'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setContactName($contact_name)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/ContactTotalDetail.php b/lib/Models/Finance/ContactTotalDetail.php
index 1c5bfee6..2a4f7e2d 100644
--- a/lib/Models/Finance/ContactTotalDetail.php
+++ b/lib/Models/Finance/ContactTotalDetail.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ContactTotalDetail Class Doc Comment
  *
@@ -56,9 +58,7 @@ class ContactTotalDetail implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'total_paid' => 'double',
-        'total_outstanding' => 'double',
-        'total_credited_un_applied' => 'double'
+        'total_paid' => 'double''total_outstanding' => 'double''total_credited_un_applied' => 'double'
     ];
 
     /**
@@ -67,9 +67,7 @@ class ContactTotalDetail implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'total_paid' => 'double',
-        'total_outstanding' => 'double',
-        'total_credited_un_applied' => 'double'
+        'total_paid' => 'double''total_outstanding' => 'double''total_credited_un_applied' => 'double'
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'total_paid' => 'totalPaid',
-        'total_outstanding' => 'totalOutstanding',
-        'total_credited_un_applied' => 'totalCreditedUnApplied'
+        'total_paid' => 'totalPaid''total_outstanding' => 'totalOutstanding''total_credited_un_applied' => 'totalCreditedUnApplied'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'total_paid' => 'setTotalPaid',
-        'total_outstanding' => 'setTotalOutstanding',
-        'total_credited_un_applied' => 'setTotalCreditedUnApplied'
+        'total_paid' => 'setTotalPaid''total_outstanding' => 'setTotalOutstanding''total_credited_un_applied' => 'setTotalCreditedUnApplied'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'total_paid' => 'getTotalPaid',
-        'total_outstanding' => 'getTotalOutstanding',
-        'total_credited_un_applied' => 'getTotalCreditedUnApplied'
+        'total_paid' => 'getTotalPaid''total_outstanding' => 'getTotalOutstanding''total_credited_un_applied' => 'getTotalCreditedUnApplied'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setTotalCreditedUnApplied($total_credited_un_applied)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/ContactTotalOther.php b/lib/Models/Finance/ContactTotalOther.php
index 5fb63700..2d0a30da 100644
--- a/lib/Models/Finance/ContactTotalOther.php
+++ b/lib/Models/Finance/ContactTotalOther.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ContactTotalOther Class Doc Comment
  *
@@ -56,10 +58,7 @@ class ContactTotalOther implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'total_outstanding_aged' => 'double',
-        'total_voided' => 'double',
-        'total_credited' => 'double',
-        'transaction_count' => 'int'
+        'total_outstanding_aged' => 'double''total_voided' => 'double''total_credited' => 'double''transaction_count' => 'int'
     ];
 
     /**
@@ -68,10 +67,7 @@ class ContactTotalOther implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'total_outstanding_aged' => 'double',
-        'total_voided' => 'double',
-        'total_credited' => 'double',
-        'transaction_count' => 'int32'
+        'total_outstanding_aged' => 'double''total_voided' => 'double''total_credited' => 'double''transaction_count' => 'int32'
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'total_outstanding_aged' => 'totalOutstandingAged',
-        'total_voided' => 'totalVoided',
-        'total_credited' => 'totalCredited',
-        'transaction_count' => 'transactionCount'
+        'total_outstanding_aged' => 'totalOutstandingAged''total_voided' => 'totalVoided''total_credited' => 'totalCredited''transaction_count' => 'transactionCount'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'total_outstanding_aged' => 'setTotalOutstandingAged',
-        'total_voided' => 'setTotalVoided',
-        'total_credited' => 'setTotalCredited',
-        'transaction_count' => 'setTransactionCount'
+        'total_outstanding_aged' => 'setTotalOutstandingAged''total_voided' => 'setTotalVoided''total_credited' => 'setTotalCredited''transaction_count' => 'setTransactionCount'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'total_outstanding_aged' => 'getTotalOutstandingAged',
-        'total_voided' => 'getTotalVoided',
-        'total_credited' => 'getTotalCredited',
-        'transaction_count' => 'getTransactionCount'
+        'total_outstanding_aged' => 'getTotalOutstandingAged''total_voided' => 'getTotalVoided''total_credited' => 'getTotalCredited''transaction_count' => 'getTransactionCount'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setTransactionCount($transaction_count)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/CreditNoteResponse.php b/lib/Models/Finance/CreditNoteResponse.php
index 4adda314..55b0bab0 100644
--- a/lib/Models/Finance/CreditNoteResponse.php
+++ b/lib/Models/Finance/CreditNoteResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * CreditNoteResponse Class Doc Comment
  *
@@ -56,10 +58,7 @@ class CreditNoteResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'credit_note_id' => 'string',
-        'contact' => '\XeroAPI\XeroPHP\Models\Finance\ContactResponse',
-        'total' => 'double',
-        'line_items' => '\XeroAPI\XeroPHP\Models\Finance\LineItemResponse[]'
+        'credit_note_id' => 'string''contact' => '\XeroAPI\XeroPHP\Models\Finance\ContactResponse''total' => 'double''line_items' => '\XeroAPI\XeroPHP\Models\Finance\LineItemResponse[]'
     ];
 
     /**
@@ -68,10 +67,7 @@ class CreditNoteResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'credit_note_id' => 'uuid',
-        'contact' => null,
-        'total' => 'double',
-        'line_items' => null
+        'credit_note_id' => 'uuid''contact' => null'total' => 'double''line_items' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'credit_note_id' => 'creditNoteId',
-        'contact' => 'contact',
-        'total' => 'total',
-        'line_items' => 'lineItems'
+        'credit_note_id' => 'creditNoteId''contact' => 'contact''total' => 'total''line_items' => 'lineItems'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'credit_note_id' => 'setCreditNoteId',
-        'contact' => 'setContact',
-        'total' => 'setTotal',
-        'line_items' => 'setLineItems'
+        'credit_note_id' => 'setCreditNoteId''contact' => 'setContact''total' => 'setTotal''line_items' => 'setLineItems'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'credit_note_id' => 'getCreditNoteId',
-        'contact' => 'getContact',
-        'total' => 'getTotal',
-        'line_items' => 'getLineItems'
+        'credit_note_id' => 'getCreditNoteId''contact' => 'getContact''total' => 'getTotal''line_items' => 'getLineItems'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setLineItems($line_items)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/CurrentStatementResponse.php b/lib/Models/Finance/CurrentStatementResponse.php
index 00affc41..1dcb3328 100644
--- a/lib/Models/Finance/CurrentStatementResponse.php
+++ b/lib/Models/Finance/CurrentStatementResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * CurrentStatementResponse Class Doc Comment
  *
@@ -56,12 +58,7 @@ class CurrentStatementResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'start_date' => '\DateTime',
-        'end_date' => '\DateTime',
-        'start_balance' => 'double',
-        'end_balance' => 'double',
-        'imported_date_time_utc' => '\DateTime',
-        'import_source_type' => 'string'
+        'start_date' => '\DateTime''end_date' => '\DateTime''start_balance' => 'double''end_balance' => 'double''imported_date_time_utc' => '\DateTime''import_source_type' => 'string'
     ];
 
     /**
@@ -70,12 +67,7 @@ class CurrentStatementResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'start_date' => 'date',
-        'end_date' => 'date',
-        'start_balance' => 'double',
-        'end_balance' => 'double',
-        'imported_date_time_utc' => 'date-time',
-        'import_source_type' => null
+        'start_date' => 'date''end_date' => 'date''start_balance' => 'double''end_balance' => 'double''imported_date_time_utc' => 'date-time''import_source_type' => null
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'start_date' => 'startDate',
-        'end_date' => 'endDate',
-        'start_balance' => 'startBalance',
-        'end_balance' => 'endBalance',
-        'imported_date_time_utc' => 'importedDateTimeUtc',
-        'import_source_type' => 'importSourceType'
+        'start_date' => 'startDate''end_date' => 'endDate''start_balance' => 'startBalance''end_balance' => 'endBalance''imported_date_time_utc' => 'importedDateTimeUtc''import_source_type' => 'importSourceType'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'start_date' => 'setStartDate',
-        'end_date' => 'setEndDate',
-        'start_balance' => 'setStartBalance',
-        'end_balance' => 'setEndBalance',
-        'imported_date_time_utc' => 'setImportedDateTimeUtc',
-        'import_source_type' => 'setImportSourceType'
+        'start_date' => 'setStartDate''end_date' => 'setEndDate''start_balance' => 'setStartBalance''end_balance' => 'setEndBalance''imported_date_time_utc' => 'setImportedDateTimeUtc''import_source_type' => 'setImportSourceType'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'start_date' => 'getStartDate',
-        'end_date' => 'getEndDate',
-        'start_balance' => 'getStartBalance',
-        'end_balance' => 'getEndBalance',
-        'imported_date_time_utc' => 'getImportedDateTimeUtc',
-        'import_source_type' => 'getImportSourceType'
+        'start_date' => 'getStartDate''end_date' => 'getEndDate''start_balance' => 'getStartBalance''end_balance' => 'getEndBalance''imported_date_time_utc' => 'getImportedDateTimeUtc''import_source_type' => 'getImportSourceType'
     ];
 
     /**
@@ -401,6 +378,7 @@ public function setImportSourceType($import_source_type)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -413,6 +391,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -426,6 +405,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -442,6 +422,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/DataSourceResponse.php b/lib/Models/Finance/DataSourceResponse.php
index 06f27ffe..ccd4fd12 100644
--- a/lib/Models/Finance/DataSourceResponse.php
+++ b/lib/Models/Finance/DataSourceResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * DataSourceResponse Class Doc Comment
  *
@@ -56,21 +58,7 @@ class DataSourceResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'direct_bank_feed' => 'double',
-        'indirect_bank_feed' => 'double',
-        'file_upload' => 'double',
-        'manual' => 'double',
-        'direct_bank_feed_pos' => 'double',
-        'indirect_bank_feed_pos' => 'double',
-        'file_upload_pos' => 'double',
-        'manual_pos' => 'double',
-        'direct_bank_feed_neg' => 'double',
-        'indirect_bank_feed_neg' => 'double',
-        'file_upload_neg' => 'double',
-        'manual_neg' => 'double',
-        'other_pos' => 'double',
-        'other_neg' => 'double',
-        'other' => 'double'
+        'direct_bank_feed' => 'double''indirect_bank_feed' => 'double''file_upload' => 'double''manual' => 'double''direct_bank_feed_pos' => 'double''indirect_bank_feed_pos' => 'double''file_upload_pos' => 'double''manual_pos' => 'double''direct_bank_feed_neg' => 'double''indirect_bank_feed_neg' => 'double''file_upload_neg' => 'double''manual_neg' => 'double''other_pos' => 'double''other_neg' => 'double''other' => 'double'
     ];
 
     /**
@@ -79,21 +67,7 @@ class DataSourceResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'direct_bank_feed' => 'double',
-        'indirect_bank_feed' => 'double',
-        'file_upload' => 'double',
-        'manual' => 'double',
-        'direct_bank_feed_pos' => 'double',
-        'indirect_bank_feed_pos' => 'double',
-        'file_upload_pos' => 'double',
-        'manual_pos' => 'double',
-        'direct_bank_feed_neg' => 'double',
-        'indirect_bank_feed_neg' => 'double',
-        'file_upload_neg' => 'double',
-        'manual_neg' => 'double',
-        'other_pos' => 'double',
-        'other_neg' => 'double',
-        'other' => 'double'
+        'direct_bank_feed' => 'double''indirect_bank_feed' => 'double''file_upload' => 'double''manual' => 'double''direct_bank_feed_pos' => 'double''indirect_bank_feed_pos' => 'double''file_upload_pos' => 'double''manual_pos' => 'double''direct_bank_feed_neg' => 'double''indirect_bank_feed_neg' => 'double''file_upload_neg' => 'double''manual_neg' => 'double''other_pos' => 'double''other_neg' => 'double''other' => 'double'
     ];
 
     /**
@@ -123,21 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'direct_bank_feed' => 'directBankFeed',
-        'indirect_bank_feed' => 'indirectBankFeed',
-        'file_upload' => 'fileUpload',
-        'manual' => 'manual',
-        'direct_bank_feed_pos' => 'directBankFeedPos',
-        'indirect_bank_feed_pos' => 'indirectBankFeedPos',
-        'file_upload_pos' => 'fileUploadPos',
-        'manual_pos' => 'manualPos',
-        'direct_bank_feed_neg' => 'directBankFeedNeg',
-        'indirect_bank_feed_neg' => 'indirectBankFeedNeg',
-        'file_upload_neg' => 'fileUploadNeg',
-        'manual_neg' => 'manualNeg',
-        'other_pos' => 'otherPos',
-        'other_neg' => 'otherNeg',
-        'other' => 'other'
+        'direct_bank_feed' => 'directBankFeed''indirect_bank_feed' => 'indirectBankFeed''file_upload' => 'fileUpload''manual' => 'manual''direct_bank_feed_pos' => 'directBankFeedPos''indirect_bank_feed_pos' => 'indirectBankFeedPos''file_upload_pos' => 'fileUploadPos''manual_pos' => 'manualPos''direct_bank_feed_neg' => 'directBankFeedNeg''indirect_bank_feed_neg' => 'indirectBankFeedNeg''file_upload_neg' => 'fileUploadNeg''manual_neg' => 'manualNeg''other_pos' => 'otherPos''other_neg' => 'otherNeg''other' => 'other'
     ];
 
     /**
@@ -146,21 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'direct_bank_feed' => 'setDirectBankFeed',
-        'indirect_bank_feed' => 'setIndirectBankFeed',
-        'file_upload' => 'setFileUpload',
-        'manual' => 'setManual',
-        'direct_bank_feed_pos' => 'setDirectBankFeedPos',
-        'indirect_bank_feed_pos' => 'setIndirectBankFeedPos',
-        'file_upload_pos' => 'setFileUploadPos',
-        'manual_pos' => 'setManualPos',
-        'direct_bank_feed_neg' => 'setDirectBankFeedNeg',
-        'indirect_bank_feed_neg' => 'setIndirectBankFeedNeg',
-        'file_upload_neg' => 'setFileUploadNeg',
-        'manual_neg' => 'setManualNeg',
-        'other_pos' => 'setOtherPos',
-        'other_neg' => 'setOtherNeg',
-        'other' => 'setOther'
+        'direct_bank_feed' => 'setDirectBankFeed''indirect_bank_feed' => 'setIndirectBankFeed''file_upload' => 'setFileUpload''manual' => 'setManual''direct_bank_feed_pos' => 'setDirectBankFeedPos''indirect_bank_feed_pos' => 'setIndirectBankFeedPos''file_upload_pos' => 'setFileUploadPos''manual_pos' => 'setManualPos''direct_bank_feed_neg' => 'setDirectBankFeedNeg''indirect_bank_feed_neg' => 'setIndirectBankFeedNeg''file_upload_neg' => 'setFileUploadNeg''manual_neg' => 'setManualNeg''other_pos' => 'setOtherPos''other_neg' => 'setOtherNeg''other' => 'setOther'
     ];
 
     /**
@@ -169,21 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'direct_bank_feed' => 'getDirectBankFeed',
-        'indirect_bank_feed' => 'getIndirectBankFeed',
-        'file_upload' => 'getFileUpload',
-        'manual' => 'getManual',
-        'direct_bank_feed_pos' => 'getDirectBankFeedPos',
-        'indirect_bank_feed_pos' => 'getIndirectBankFeedPos',
-        'file_upload_pos' => 'getFileUploadPos',
-        'manual_pos' => 'getManualPos',
-        'direct_bank_feed_neg' => 'getDirectBankFeedNeg',
-        'indirect_bank_feed_neg' => 'getIndirectBankFeedNeg',
-        'file_upload_neg' => 'getFileUploadNeg',
-        'manual_neg' => 'getManualNeg',
-        'other_pos' => 'getOtherPos',
-        'other_neg' => 'getOtherNeg',
-        'other' => 'getOther'
+        'direct_bank_feed' => 'getDirectBankFeed''indirect_bank_feed' => 'getIndirectBankFeed''file_upload' => 'getFileUpload''manual' => 'getManual''direct_bank_feed_pos' => 'getDirectBankFeedPos''indirect_bank_feed_pos' => 'getIndirectBankFeedPos''file_upload_pos' => 'getFileUploadPos''manual_pos' => 'getManualPos''direct_bank_feed_neg' => 'getDirectBankFeedNeg''indirect_bank_feed_neg' => 'getIndirectBankFeedNeg''file_upload_neg' => 'getFileUploadNeg''manual_neg' => 'getManualNeg''other_pos' => 'getOtherPos''other_neg' => 'getOtherNeg''other' => 'getOther'
     ];
 
     /**
@@ -698,6 +630,7 @@ public function setOther($other)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -710,6 +643,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -723,6 +657,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -739,6 +674,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/HistoryRecordResponse.php b/lib/Models/Finance/HistoryRecordResponse.php
index 1db56e54..5ef9cd21 100644
--- a/lib/Models/Finance/HistoryRecordResponse.php
+++ b/lib/Models/Finance/HistoryRecordResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * HistoryRecordResponse Class Doc Comment
  *
@@ -56,11 +58,7 @@ class HistoryRecordResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'changes' => 'string',
-        'date_utc_string' => 'string',
-        'date_utc' => '\DateTime',
-        'user' => 'string',
-        'details' => 'string'
+        'changes' => 'string''date_utc_string' => 'string''date_utc' => '\DateTime''user' => 'string''details' => 'string'
     ];
 
     /**
@@ -69,11 +67,7 @@ class HistoryRecordResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'changes' => null,
-        'date_utc_string' => null,
-        'date_utc' => 'date-time',
-        'user' => null,
-        'details' => null
+        'changes' => null'date_utc_string' => null'date_utc' => 'date-time''user' => null'details' => null
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'changes' => 'changes',
-        'date_utc_string' => 'dateUTCString',
-        'date_utc' => 'dateUTC',
-        'user' => 'user',
-        'details' => 'details'
+        'changes' => 'changes''date_utc_string' => 'dateUTCString''date_utc' => 'dateUTC''user' => 'user''details' => 'details'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'changes' => 'setChanges',
-        'date_utc_string' => 'setDateUtcString',
-        'date_utc' => 'setDateUtc',
-        'user' => 'setUser',
-        'details' => 'setDetails'
+        'changes' => 'setChanges''date_utc_string' => 'setDateUtcString''date_utc' => 'setDateUtc''user' => 'setUser''details' => 'setDetails'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'changes' => 'getChanges',
-        'date_utc_string' => 'getDateUtcString',
-        'date_utc' => 'getDateUtc',
-        'user' => 'getUser',
-        'details' => 'getDetails'
+        'changes' => 'getChanges''date_utc_string' => 'getDateUtcString''date_utc' => 'getDateUtc''user' => 'getUser''details' => 'getDetails'
     ];
 
     /**
@@ -368,6 +350,7 @@ public function setDetails($details)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -380,6 +363,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -393,6 +377,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -409,6 +394,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/IncomeByContactResponse.php b/lib/Models/Finance/IncomeByContactResponse.php
index f84c1957..6d164a61 100644
--- a/lib/Models/Finance/IncomeByContactResponse.php
+++ b/lib/Models/Finance/IncomeByContactResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * IncomeByContactResponse Class Doc Comment
  *
@@ -56,13 +58,7 @@ class IncomeByContactResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'start_date' => '\DateTime',
-        'end_date' => '\DateTime',
-        'total' => 'double',
-        'total_detail' => '\XeroAPI\XeroPHP\Models\Finance\TotalDetail',
-        'total_other' => '\XeroAPI\XeroPHP\Models\Finance\TotalOther',
-        'contacts' => '\XeroAPI\XeroPHP\Models\Finance\ContactDetail[]',
-        'manual_journals' => '\XeroAPI\XeroPHP\Models\Finance\ManualJournalTotal'
+        'start_date' => '\DateTime''end_date' => '\DateTime''total' => 'double''total_detail' => '\XeroAPI\XeroPHP\Models\Finance\TotalDetail''total_other' => '\XeroAPI\XeroPHP\Models\Finance\TotalOther''contacts' => '\XeroAPI\XeroPHP\Models\Finance\ContactDetail[]''manual_journals' => '\XeroAPI\XeroPHP\Models\Finance\ManualJournalTotal'
     ];
 
     /**
@@ -71,13 +67,7 @@ class IncomeByContactResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'start_date' => 'date',
-        'end_date' => 'date',
-        'total' => 'double',
-        'total_detail' => null,
-        'total_other' => null,
-        'contacts' => null,
-        'manual_journals' => null
+        'start_date' => 'date''end_date' => 'date''total' => 'double''total_detail' => null'total_other' => null'contacts' => null'manual_journals' => null
     ];
 
     /**
@@ -107,13 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'start_date' => 'startDate',
-        'end_date' => 'endDate',
-        'total' => 'total',
-        'total_detail' => 'totalDetail',
-        'total_other' => 'totalOther',
-        'contacts' => 'contacts',
-        'manual_journals' => 'manualJournals'
+        'start_date' => 'startDate''end_date' => 'endDate''total' => 'total''total_detail' => 'totalDetail''total_other' => 'totalOther''contacts' => 'contacts''manual_journals' => 'manualJournals'
     ];
 
     /**
@@ -122,13 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'start_date' => 'setStartDate',
-        'end_date' => 'setEndDate',
-        'total' => 'setTotal',
-        'total_detail' => 'setTotalDetail',
-        'total_other' => 'setTotalOther',
-        'contacts' => 'setContacts',
-        'manual_journals' => 'setManualJournals'
+        'start_date' => 'setStartDate''end_date' => 'setEndDate''total' => 'setTotal''total_detail' => 'setTotalDetail''total_other' => 'setTotalOther''contacts' => 'setContacts''manual_journals' => 'setManualJournals'
     ];
 
     /**
@@ -137,13 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'start_date' => 'getStartDate',
-        'end_date' => 'getEndDate',
-        'total' => 'getTotal',
-        'total_detail' => 'getTotalDetail',
-        'total_other' => 'getTotalOther',
-        'contacts' => 'getContacts',
-        'manual_journals' => 'getManualJournals'
+        'start_date' => 'getStartDate''end_date' => 'getEndDate''total' => 'getTotal''total_detail' => 'getTotalDetail''total_other' => 'getTotalOther''contacts' => 'getContacts''manual_journals' => 'getManualJournals'
     ];
 
     /**
@@ -434,6 +406,7 @@ public function setManualJournals($manual_journals)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -446,6 +419,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -459,6 +433,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -475,6 +450,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/InvoiceResponse.php b/lib/Models/Finance/InvoiceResponse.php
index 381c1838..2fbdfb4f 100644
--- a/lib/Models/Finance/InvoiceResponse.php
+++ b/lib/Models/Finance/InvoiceResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * InvoiceResponse Class Doc Comment
  *
@@ -56,10 +58,7 @@ class InvoiceResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'invoice_id' => 'string',
-        'contact' => '\XeroAPI\XeroPHP\Models\Finance\ContactResponse',
-        'total' => 'double',
-        'line_items' => '\XeroAPI\XeroPHP\Models\Finance\LineItemResponse[]'
+        'invoice_id' => 'string''contact' => '\XeroAPI\XeroPHP\Models\Finance\ContactResponse''total' => 'double''line_items' => '\XeroAPI\XeroPHP\Models\Finance\LineItemResponse[]'
     ];
 
     /**
@@ -68,10 +67,7 @@ class InvoiceResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'invoice_id' => 'uuid',
-        'contact' => null,
-        'total' => 'double',
-        'line_items' => null
+        'invoice_id' => 'uuid''contact' => null'total' => 'double''line_items' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'invoice_id' => 'invoiceId',
-        'contact' => 'contact',
-        'total' => 'total',
-        'line_items' => 'lineItems'
+        'invoice_id' => 'invoiceId''contact' => 'contact''total' => 'total''line_items' => 'lineItems'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'invoice_id' => 'setInvoiceId',
-        'contact' => 'setContact',
-        'total' => 'setTotal',
-        'line_items' => 'setLineItems'
+        'invoice_id' => 'setInvoiceId''contact' => 'setContact''total' => 'setTotal''line_items' => 'setLineItems'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'invoice_id' => 'getInvoiceId',
-        'contact' => 'getContact',
-        'total' => 'getTotal',
-        'line_items' => 'getLineItems'
+        'invoice_id' => 'getInvoiceId''contact' => 'getContact''total' => 'getTotal''line_items' => 'getLineItems'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setLineItems($line_items)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/LineItemResponse.php b/lib/Models/Finance/LineItemResponse.php
index 082eeded..4515c210 100644
--- a/lib/Models/Finance/LineItemResponse.php
+++ b/lib/Models/Finance/LineItemResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LineItemResponse Class Doc Comment
  *
@@ -56,10 +58,7 @@ class LineItemResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_id' => 'string',
-        'reporting_code' => 'string',
-        'line_amount' => 'double',
-        'account_type' => 'string'
+        'account_id' => 'string''reporting_code' => 'string''line_amount' => 'double''account_type' => 'string'
     ];
 
     /**
@@ -68,10 +67,7 @@ class LineItemResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_id' => 'uuid',
-        'reporting_code' => null,
-        'line_amount' => 'double',
-        'account_type' => null
+        'account_id' => 'uuid''reporting_code' => null'line_amount' => 'double''account_type' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_id' => 'accountId',
-        'reporting_code' => 'reportingCode',
-        'line_amount' => 'lineAmount',
-        'account_type' => 'accountType'
+        'account_id' => 'accountId''reporting_code' => 'reportingCode''line_amount' => 'lineAmount''account_type' => 'accountType'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_id' => 'setAccountId',
-        'reporting_code' => 'setReportingCode',
-        'line_amount' => 'setLineAmount',
-        'account_type' => 'setAccountType'
+        'account_id' => 'setAccountId''reporting_code' => 'setReportingCode''line_amount' => 'setLineAmount''account_type' => 'setAccountType'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_id' => 'getAccountId',
-        'reporting_code' => 'getReportingCode',
-        'line_amount' => 'getLineAmount',
-        'account_type' => 'getAccountType'
+        'account_id' => 'getAccountId''reporting_code' => 'getReportingCode''line_amount' => 'getLineAmount''account_type' => 'getAccountType'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setAccountType($account_type)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/LockHistoryModel.php b/lib/Models/Finance/LockHistoryModel.php
index 655117c8..4a4fa4cc 100644
--- a/lib/Models/Finance/LockHistoryModel.php
+++ b/lib/Models/Finance/LockHistoryModel.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LockHistoryModel Class Doc Comment
  *
@@ -56,9 +58,7 @@ class LockHistoryModel implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'hard_lock_date' => '\DateTime',
-        'soft_lock_date' => '\DateTime',
-        'updated_date_utc' => '\DateTime'
+        'hard_lock_date' => '\DateTime''soft_lock_date' => '\DateTime''updated_date_utc' => '\DateTime'
     ];
 
     /**
@@ -67,9 +67,7 @@ class LockHistoryModel implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'hard_lock_date' => 'date',
-        'soft_lock_date' => 'date',
-        'updated_date_utc' => 'date-time'
+        'hard_lock_date' => 'date''soft_lock_date' => 'date''updated_date_utc' => 'date-time'
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'hard_lock_date' => 'hardLockDate',
-        'soft_lock_date' => 'softLockDate',
-        'updated_date_utc' => 'updatedDateUtc'
+        'hard_lock_date' => 'hardLockDate''soft_lock_date' => 'softLockDate''updated_date_utc' => 'updatedDateUtc'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'hard_lock_date' => 'setHardLockDate',
-        'soft_lock_date' => 'setSoftLockDate',
-        'updated_date_utc' => 'setUpdatedDateUtc'
+        'hard_lock_date' => 'setHardLockDate''soft_lock_date' => 'setSoftLockDate''updated_date_utc' => 'setUpdatedDateUtc'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'hard_lock_date' => 'getHardLockDate',
-        'soft_lock_date' => 'getSoftLockDate',
-        'updated_date_utc' => 'getUpdatedDateUtc'
+        'hard_lock_date' => 'getHardLockDate''soft_lock_date' => 'getSoftLockDate''updated_date_utc' => 'getUpdatedDateUtc'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/LockHistoryResponse.php b/lib/Models/Finance/LockHistoryResponse.php
index 532649e3..eb9b74bc 100644
--- a/lib/Models/Finance/LockHistoryResponse.php
+++ b/lib/Models/Finance/LockHistoryResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LockHistoryResponse Class Doc Comment
  *
@@ -56,9 +58,7 @@ class LockHistoryResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'organisation_id' => 'string',
-        'end_date' => '\DateTime',
-        'lock_dates' => '\XeroAPI\XeroPHP\Models\Finance\LockHistoryModel[]'
+        'organisation_id' => 'string''end_date' => '\DateTime''lock_dates' => '\XeroAPI\XeroPHP\Models\Finance\LockHistoryModel[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class LockHistoryResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'organisation_id' => 'uuid',
-        'end_date' => 'date',
-        'lock_dates' => null
+        'organisation_id' => 'uuid''end_date' => 'date''lock_dates' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'organisation_id' => 'organisationId',
-        'end_date' => 'endDate',
-        'lock_dates' => 'lockDates'
+        'organisation_id' => 'organisationId''end_date' => 'endDate''lock_dates' => 'lockDates'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'organisation_id' => 'setOrganisationId',
-        'end_date' => 'setEndDate',
-        'lock_dates' => 'setLockDates'
+        'organisation_id' => 'setOrganisationId''end_date' => 'setEndDate''lock_dates' => 'setLockDates'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'organisation_id' => 'getOrganisationId',
-        'end_date' => 'getEndDate',
-        'lock_dates' => 'getLockDates'
+        'organisation_id' => 'getOrganisationId''end_date' => 'getEndDate''lock_dates' => 'getLockDates'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setLockDates($lock_dates)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/ManualJournalTotal.php b/lib/Models/Finance/ManualJournalTotal.php
index 8ce59e0a..f1a2211f 100644
--- a/lib/Models/Finance/ManualJournalTotal.php
+++ b/lib/Models/Finance/ManualJournalTotal.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ManualJournalTotal Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setTotal($total)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/ModelInterface.php b/lib/Models/Finance/ModelInterface.php
index c76ec9b9..e4735c05 100644
--- a/lib/Models/Finance/ModelInterface.php
+++ b/lib/Models/Finance/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/OverpaymentResponse.php b/lib/Models/Finance/OverpaymentResponse.php
index ca071841..0c13392a 100644
--- a/lib/Models/Finance/OverpaymentResponse.php
+++ b/lib/Models/Finance/OverpaymentResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * OverpaymentResponse Class Doc Comment
  *
@@ -56,10 +58,7 @@ class OverpaymentResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'overpayment_id' => 'string',
-        'contact' => '\XeroAPI\XeroPHP\Models\Finance\ContactResponse',
-        'total' => 'double',
-        'line_items' => '\XeroAPI\XeroPHP\Models\Finance\LineItemResponse[]'
+        'overpayment_id' => 'string''contact' => '\XeroAPI\XeroPHP\Models\Finance\ContactResponse''total' => 'double''line_items' => '\XeroAPI\XeroPHP\Models\Finance\LineItemResponse[]'
     ];
 
     /**
@@ -68,10 +67,7 @@ class OverpaymentResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'overpayment_id' => 'uuid',
-        'contact' => null,
-        'total' => 'double',
-        'line_items' => null
+        'overpayment_id' => 'uuid''contact' => null'total' => 'double''line_items' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'overpayment_id' => 'overpaymentId',
-        'contact' => 'contact',
-        'total' => 'total',
-        'line_items' => 'lineItems'
+        'overpayment_id' => 'overpaymentId''contact' => 'contact''total' => 'total''line_items' => 'lineItems'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'overpayment_id' => 'setOverpaymentId',
-        'contact' => 'setContact',
-        'total' => 'setTotal',
-        'line_items' => 'setLineItems'
+        'overpayment_id' => 'setOverpaymentId''contact' => 'setContact''total' => 'setTotal''line_items' => 'setLineItems'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'overpayment_id' => 'getOverpaymentId',
-        'contact' => 'getContact',
-        'total' => 'getTotal',
-        'line_items' => 'getLineItems'
+        'overpayment_id' => 'getOverpaymentId''contact' => 'getContact''total' => 'getTotal''line_items' => 'getLineItems'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setLineItems($line_items)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/PaymentResponse.php b/lib/Models/Finance/PaymentResponse.php
index 41b9c593..d3979d8e 100644
--- a/lib/Models/Finance/PaymentResponse.php
+++ b/lib/Models/Finance/PaymentResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PaymentResponse Class Doc Comment
  *
@@ -56,16 +58,7 @@ class PaymentResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'payment_id' => 'string',
-        'batch_payment_id' => 'string',
-        'date' => '\DateTime',
-        'amount' => 'double',
-        'bank_amount' => 'double',
-        'currency_rate' => 'double',
-        'invoice' => '\XeroAPI\XeroPHP\Models\Finance\InvoiceResponse',
-        'credit_note' => '\XeroAPI\XeroPHP\Models\Finance\CreditNoteResponse',
-        'prepayment' => '\XeroAPI\XeroPHP\Models\Finance\PrepaymentResponse',
-        'overpayment' => '\XeroAPI\XeroPHP\Models\Finance\OverpaymentResponse'
+        'payment_id' => 'string''batch_payment_id' => 'string''date' => '\DateTime''amount' => 'double''bank_amount' => 'double''currency_rate' => 'double''invoice' => '\XeroAPI\XeroPHP\Models\Finance\InvoiceResponse''credit_note' => '\XeroAPI\XeroPHP\Models\Finance\CreditNoteResponse''prepayment' => '\XeroAPI\XeroPHP\Models\Finance\PrepaymentResponse''overpayment' => '\XeroAPI\XeroPHP\Models\Finance\OverpaymentResponse'
     ];
 
     /**
@@ -74,16 +67,7 @@ class PaymentResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'payment_id' => 'uuid',
-        'batch_payment_id' => 'uuid',
-        'date' => 'date',
-        'amount' => 'double',
-        'bank_amount' => 'double',
-        'currency_rate' => 'double',
-        'invoice' => null,
-        'credit_note' => null,
-        'prepayment' => null,
-        'overpayment' => null
+        'payment_id' => 'uuid''batch_payment_id' => 'uuid''date' => 'date''amount' => 'double''bank_amount' => 'double''currency_rate' => 'double''invoice' => null'credit_note' => null'prepayment' => null'overpayment' => null
     ];
 
     /**
@@ -113,16 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'payment_id' => 'paymentId',
-        'batch_payment_id' => 'batchPaymentId',
-        'date' => 'date',
-        'amount' => 'amount',
-        'bank_amount' => 'bankAmount',
-        'currency_rate' => 'currencyRate',
-        'invoice' => 'invoice',
-        'credit_note' => 'creditNote',
-        'prepayment' => 'prepayment',
-        'overpayment' => 'overpayment'
+        'payment_id' => 'paymentId''batch_payment_id' => 'batchPaymentId''date' => 'date''amount' => 'amount''bank_amount' => 'bankAmount''currency_rate' => 'currencyRate''invoice' => 'invoice''credit_note' => 'creditNote''prepayment' => 'prepayment''overpayment' => 'overpayment'
     ];
 
     /**
@@ -131,16 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'payment_id' => 'setPaymentId',
-        'batch_payment_id' => 'setBatchPaymentId',
-        'date' => 'setDate',
-        'amount' => 'setAmount',
-        'bank_amount' => 'setBankAmount',
-        'currency_rate' => 'setCurrencyRate',
-        'invoice' => 'setInvoice',
-        'credit_note' => 'setCreditNote',
-        'prepayment' => 'setPrepayment',
-        'overpayment' => 'setOverpayment'
+        'payment_id' => 'setPaymentId''batch_payment_id' => 'setBatchPaymentId''date' => 'setDate''amount' => 'setAmount''bank_amount' => 'setBankAmount''currency_rate' => 'setCurrencyRate''invoice' => 'setInvoice''credit_note' => 'setCreditNote''prepayment' => 'setPrepayment''overpayment' => 'setOverpayment'
     ];
 
     /**
@@ -149,16 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'payment_id' => 'getPaymentId',
-        'batch_payment_id' => 'getBatchPaymentId',
-        'date' => 'getDate',
-        'amount' => 'getAmount',
-        'bank_amount' => 'getBankAmount',
-        'currency_rate' => 'getCurrencyRate',
-        'invoice' => 'getInvoice',
-        'credit_note' => 'getCreditNote',
-        'prepayment' => 'getPrepayment',
-        'overpayment' => 'getOverpayment'
+        'payment_id' => 'getPaymentId''batch_payment_id' => 'getBatchPaymentId''date' => 'getDate''amount' => 'getAmount''bank_amount' => 'getBankAmount''currency_rate' => 'getCurrencyRate''invoice' => 'getInvoice''credit_note' => 'getCreditNote''prepayment' => 'getPrepayment''overpayment' => 'getOverpayment'
     ];
 
     /**
@@ -533,6 +490,7 @@ public function setOverpayment($overpayment)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -545,6 +503,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -558,6 +517,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -574,6 +534,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/PnlAccount.php b/lib/Models/Finance/PnlAccount.php
index ac8c5419..4933acb4 100644
--- a/lib/Models/Finance/PnlAccount.php
+++ b/lib/Models/Finance/PnlAccount.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PnlAccount Class Doc Comment
  *
@@ -56,12 +58,7 @@ class PnlAccount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_id' => 'string',
-        'account_type' => 'string',
-        'code' => 'string',
-        'name' => 'string',
-        'reporting_code' => 'string',
-        'total' => 'double'
+        'account_id' => 'string''account_type' => 'string''code' => 'string''name' => 'string''reporting_code' => 'string''total' => 'double'
     ];
 
     /**
@@ -70,12 +67,7 @@ class PnlAccount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_id' => 'uuid',
-        'account_type' => null,
-        'code' => null,
-        'name' => null,
-        'reporting_code' => null,
-        'total' => 'double'
+        'account_id' => 'uuid''account_type' => null'code' => null'name' => null'reporting_code' => null'total' => 'double'
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_id' => 'accountID',
-        'account_type' => 'accountType',
-        'code' => 'code',
-        'name' => 'name',
-        'reporting_code' => 'reportingCode',
-        'total' => 'total'
+        'account_id' => 'accountID''account_type' => 'accountType''code' => 'code''name' => 'name''reporting_code' => 'reportingCode''total' => 'total'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_id' => 'setAccountId',
-        'account_type' => 'setAccountType',
-        'code' => 'setCode',
-        'name' => 'setName',
-        'reporting_code' => 'setReportingCode',
-        'total' => 'setTotal'
+        'account_id' => 'setAccountId''account_type' => 'setAccountType''code' => 'setCode''name' => 'setName''reporting_code' => 'setReportingCode''total' => 'setTotal'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_id' => 'getAccountId',
-        'account_type' => 'getAccountType',
-        'code' => 'getCode',
-        'name' => 'getName',
-        'reporting_code' => 'getReportingCode',
-        'total' => 'getTotal'
+        'account_id' => 'getAccountId''account_type' => 'getAccountType''code' => 'getCode''name' => 'getName''reporting_code' => 'getReportingCode''total' => 'getTotal'
     ];
 
     /**
@@ -401,6 +378,7 @@ public function setTotal($total)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -413,6 +391,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -426,6 +405,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -442,6 +422,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/PnlAccountClass.php b/lib/Models/Finance/PnlAccountClass.php
index 5050d151..7898603e 100644
--- a/lib/Models/Finance/PnlAccountClass.php
+++ b/lib/Models/Finance/PnlAccountClass.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PnlAccountClass Class Doc Comment
  *
@@ -56,8 +58,7 @@ class PnlAccountClass implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'total' => 'double',
-        'account_types' => '\XeroAPI\XeroPHP\Models\Finance\PnlAccountType[]'
+        'total' => 'double''account_types' => '\XeroAPI\XeroPHP\Models\Finance\PnlAccountType[]'
     ];
 
     /**
@@ -66,8 +67,7 @@ class PnlAccountClass implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'total' => 'double',
-        'account_types' => null
+        'total' => 'double''account_types' => null
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'total' => 'total',
-        'account_types' => 'accountTypes'
+        'total' => 'total''account_types' => 'accountTypes'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'total' => 'setTotal',
-        'account_types' => 'setAccountTypes'
+        'total' => 'setTotal''account_types' => 'setAccountTypes'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'total' => 'getTotal',
-        'account_types' => 'getAccountTypes'
+        'total' => 'getTotal''account_types' => 'getAccountTypes'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setAccountTypes($account_types)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/PnlAccountType.php b/lib/Models/Finance/PnlAccountType.php
index 96a6590b..c99b2951 100644
--- a/lib/Models/Finance/PnlAccountType.php
+++ b/lib/Models/Finance/PnlAccountType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PnlAccountType Class Doc Comment
  *
@@ -56,9 +58,7 @@ class PnlAccountType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'total' => 'double',
-        'title' => 'string',
-        'accounts' => '\XeroAPI\XeroPHP\Models\Finance\PnlAccount[]'
+        'total' => 'double''title' => 'string''accounts' => '\XeroAPI\XeroPHP\Models\Finance\PnlAccount[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class PnlAccountType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'total' => 'double',
-        'title' => null,
-        'accounts' => null
+        'total' => 'double''title' => null'accounts' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'total' => 'total',
-        'title' => 'title',
-        'accounts' => 'accounts'
+        'total' => 'total''title' => 'title''accounts' => 'accounts'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'total' => 'setTotal',
-        'title' => 'setTitle',
-        'accounts' => 'setAccounts'
+        'total' => 'setTotal''title' => 'setTitle''accounts' => 'setAccounts'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'total' => 'getTotal',
-        'title' => 'getTitle',
-        'accounts' => 'getAccounts'
+        'total' => 'getTotal''title' => 'getTitle''accounts' => 'getAccounts'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setAccounts($accounts)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/PracticeResponse.php b/lib/Models/Finance/PracticeResponse.php
index a526dff0..00a09702 100644
--- a/lib/Models/Finance/PracticeResponse.php
+++ b/lib/Models/Finance/PracticeResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PracticeResponse Class Doc Comment
  *
@@ -56,11 +58,7 @@ class PracticeResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'xero_partner_since' => 'int',
-        'tier' => 'string',
-        'location' => 'string',
-        'organisation_count' => 'int',
-        'staff_certified' => 'bool'
+        'xero_partner_since' => 'int''tier' => 'string''location' => 'string''organisation_count' => 'int''staff_certified' => 'bool'
     ];
 
     /**
@@ -69,11 +67,7 @@ class PracticeResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'xero_partner_since' => 'int32',
-        'tier' => null,
-        'location' => null,
-        'organisation_count' => 'int32',
-        'staff_certified' => null
+        'xero_partner_since' => 'int32''tier' => null'location' => null'organisation_count' => 'int32''staff_certified' => null
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'xero_partner_since' => 'xeroPartnerSince',
-        'tier' => 'tier',
-        'location' => 'location',
-        'organisation_count' => 'organisationCount',
-        'staff_certified' => 'staffCertified'
+        'xero_partner_since' => 'xeroPartnerSince''tier' => 'tier''location' => 'location''organisation_count' => 'organisationCount''staff_certified' => 'staffCertified'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'xero_partner_since' => 'setXeroPartnerSince',
-        'tier' => 'setTier',
-        'location' => 'setLocation',
-        'organisation_count' => 'setOrganisationCount',
-        'staff_certified' => 'setStaffCertified'
+        'xero_partner_since' => 'setXeroPartnerSince''tier' => 'setTier''location' => 'setLocation''organisation_count' => 'setOrganisationCount''staff_certified' => 'setStaffCertified'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'xero_partner_since' => 'getXeroPartnerSince',
-        'tier' => 'getTier',
-        'location' => 'getLocation',
-        'organisation_count' => 'getOrganisationCount',
-        'staff_certified' => 'getStaffCertified'
+        'xero_partner_since' => 'getXeroPartnerSince''tier' => 'getTier''location' => 'getLocation''organisation_count' => 'getOrganisationCount''staff_certified' => 'getStaffCertified'
     ];
 
     /**
@@ -368,6 +350,7 @@ public function setStaffCertified($staff_certified)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -380,6 +363,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -393,6 +377,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -409,6 +394,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/PrepaymentResponse.php b/lib/Models/Finance/PrepaymentResponse.php
index 111f18a4..1264d36f 100644
--- a/lib/Models/Finance/PrepaymentResponse.php
+++ b/lib/Models/Finance/PrepaymentResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PrepaymentResponse Class Doc Comment
  *
@@ -56,10 +58,7 @@ class PrepaymentResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'prepayment_id' => 'string',
-        'contact' => '\XeroAPI\XeroPHP\Models\Finance\ContactResponse',
-        'total' => 'double',
-        'line_items' => '\XeroAPI\XeroPHP\Models\Finance\LineItemResponse[]'
+        'prepayment_id' => 'string''contact' => '\XeroAPI\XeroPHP\Models\Finance\ContactResponse''total' => 'double''line_items' => '\XeroAPI\XeroPHP\Models\Finance\LineItemResponse[]'
     ];
 
     /**
@@ -68,10 +67,7 @@ class PrepaymentResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'prepayment_id' => 'uuid',
-        'contact' => null,
-        'total' => 'double',
-        'line_items' => null
+        'prepayment_id' => 'uuid''contact' => null'total' => 'double''line_items' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'prepayment_id' => 'prepaymentId',
-        'contact' => 'contact',
-        'total' => 'total',
-        'line_items' => 'lineItems'
+        'prepayment_id' => 'prepaymentId''contact' => 'contact''total' => 'total''line_items' => 'lineItems'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'prepayment_id' => 'setPrepaymentId',
-        'contact' => 'setContact',
-        'total' => 'setTotal',
-        'line_items' => 'setLineItems'
+        'prepayment_id' => 'setPrepaymentId''contact' => 'setContact''total' => 'setTotal''line_items' => 'setLineItems'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'prepayment_id' => 'getPrepaymentId',
-        'contact' => 'getContact',
-        'total' => 'getTotal',
-        'line_items' => 'getLineItems'
+        'prepayment_id' => 'getPrepaymentId''contact' => 'getContact''total' => 'getTotal''line_items' => 'getLineItems'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setLineItems($line_items)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/Problem.php b/lib/Models/Finance/Problem.php
index 47060ad3..e8d6737d 100644
--- a/lib/Models/Finance/Problem.php
+++ b/lib/Models/Finance/Problem.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Problem Class Doc Comment
  *
@@ -56,10 +58,7 @@ class Problem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'type' => '\XeroAPI\XeroPHP\Models\Finance\ProblemType',
-        'title' => 'string',
-        'status' => 'int',
-        'detail' => 'string'
+        'type' => '\XeroAPI\XeroPHP\Models\Finance\ProblemType''title' => 'string''status' => 'int''detail' => 'string'
     ];
 
     /**
@@ -68,10 +67,7 @@ class Problem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'type' => null,
-        'title' => null,
-        'status' => 'int32',
-        'detail' => null
+        'type' => null'title' => null'status' => 'int32''detail' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'type' => 'type',
-        'title' => 'title',
-        'status' => 'status',
-        'detail' => 'detail'
+        'type' => 'type''title' => 'title''status' => 'status''detail' => 'detail'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'type' => 'setType',
-        'title' => 'setTitle',
-        'status' => 'setStatus',
-        'detail' => 'setDetail'
+        'type' => 'setType''title' => 'setTitle''status' => 'setStatus''detail' => 'setDetail'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'type' => 'getType',
-        'title' => 'getTitle',
-        'status' => 'getStatus',
-        'detail' => 'getDetail'
+        'type' => 'getType''title' => 'getTitle''status' => 'getStatus''detail' => 'getDetail'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setDetail($detail)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/ProblemType.php b/lib/Models/Finance/ProblemType.php
index e23c981e..24ae1098 100644
--- a/lib/Models/Finance/ProblemType.php
+++ b/lib/Models/Finance/ProblemType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\Finance;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ProblemType Class Doc Comment
  *
diff --git a/lib/Models/Finance/ProfitAndLossResponse.php b/lib/Models/Finance/ProfitAndLossResponse.php
index 7852a227..daa81f1e 100644
--- a/lib/Models/Finance/ProfitAndLossResponse.php
+++ b/lib/Models/Finance/ProfitAndLossResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ProfitAndLossResponse Class Doc Comment
  *
@@ -56,11 +58,7 @@ class ProfitAndLossResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'start_date' => '\DateTime',
-        'end_date' => '\DateTime',
-        'net_profit_loss' => 'double',
-        'revenue' => '\XeroAPI\XeroPHP\Models\Finance\PnlAccountClass',
-        'expense' => '\XeroAPI\XeroPHP\Models\Finance\PnlAccountClass'
+        'start_date' => '\DateTime''end_date' => '\DateTime''net_profit_loss' => 'double''revenue' => '\XeroAPI\XeroPHP\Models\Finance\PnlAccountClass''expense' => '\XeroAPI\XeroPHP\Models\Finance\PnlAccountClass'
     ];
 
     /**
@@ -69,11 +67,7 @@ class ProfitAndLossResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'start_date' => 'date',
-        'end_date' => 'date',
-        'net_profit_loss' => 'double',
-        'revenue' => null,
-        'expense' => null
+        'start_date' => 'date''end_date' => 'date''net_profit_loss' => 'double''revenue' => null'expense' => null
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'start_date' => 'startDate',
-        'end_date' => 'endDate',
-        'net_profit_loss' => 'netProfitLoss',
-        'revenue' => 'revenue',
-        'expense' => 'expense'
+        'start_date' => 'startDate''end_date' => 'endDate''net_profit_loss' => 'netProfitLoss''revenue' => 'revenue''expense' => 'expense'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'start_date' => 'setStartDate',
-        'end_date' => 'setEndDate',
-        'net_profit_loss' => 'setNetProfitLoss',
-        'revenue' => 'setRevenue',
-        'expense' => 'setExpense'
+        'start_date' => 'setStartDate''end_date' => 'setEndDate''net_profit_loss' => 'setNetProfitLoss''revenue' => 'setRevenue''expense' => 'setExpense'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'start_date' => 'getStartDate',
-        'end_date' => 'getEndDate',
-        'net_profit_loss' => 'getNetProfitLoss',
-        'revenue' => 'getRevenue',
-        'expense' => 'getExpense'
+        'start_date' => 'getStartDate''end_date' => 'getEndDate''net_profit_loss' => 'getNetProfitLoss''revenue' => 'getRevenue''expense' => 'getExpense'
     ];
 
     /**
@@ -368,6 +350,7 @@ public function setExpense($expense)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -380,6 +363,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -393,6 +377,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -409,6 +394,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/ReportHistoryModel.php b/lib/Models/Finance/ReportHistoryModel.php
index 79495596..7a9e9479 100644
--- a/lib/Models/Finance/ReportHistoryModel.php
+++ b/lib/Models/Finance/ReportHistoryModel.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ReportHistoryModel Class Doc Comment
  *
@@ -56,9 +58,7 @@ class ReportHistoryModel implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'report_name' => 'string',
-        'report_date_text' => 'string',
-        'published_date_utc' => '\DateTime'
+        'report_name' => 'string''report_date_text' => 'string''published_date_utc' => '\DateTime'
     ];
 
     /**
@@ -67,9 +67,7 @@ class ReportHistoryModel implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'report_name' => null,
-        'report_date_text' => null,
-        'published_date_utc' => 'date-time'
+        'report_name' => null'report_date_text' => null'published_date_utc' => 'date-time'
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'report_name' => 'reportName',
-        'report_date_text' => 'reportDateText',
-        'published_date_utc' => 'publishedDateUtc'
+        'report_name' => 'reportName''report_date_text' => 'reportDateText''published_date_utc' => 'publishedDateUtc'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'report_name' => 'setReportName',
-        'report_date_text' => 'setReportDateText',
-        'published_date_utc' => 'setPublishedDateUtc'
+        'report_name' => 'setReportName''report_date_text' => 'setReportDateText''published_date_utc' => 'setPublishedDateUtc'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'report_name' => 'getReportName',
-        'report_date_text' => 'getReportDateText',
-        'published_date_utc' => 'getPublishedDateUtc'
+        'report_name' => 'getReportName''report_date_text' => 'getReportDateText''published_date_utc' => 'getPublishedDateUtc'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setPublishedDateUtc($published_date_utc)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/ReportHistoryResponse.php b/lib/Models/Finance/ReportHistoryResponse.php
index 5133fa4f..b99d7e2d 100644
--- a/lib/Models/Finance/ReportHistoryResponse.php
+++ b/lib/Models/Finance/ReportHistoryResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ReportHistoryResponse Class Doc Comment
  *
@@ -56,9 +58,7 @@ class ReportHistoryResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'organisation_id' => 'string',
-        'end_date' => '\DateTime',
-        'reports' => '\XeroAPI\XeroPHP\Models\Finance\ReportHistoryModel[]'
+        'organisation_id' => 'string''end_date' => '\DateTime''reports' => '\XeroAPI\XeroPHP\Models\Finance\ReportHistoryModel[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class ReportHistoryResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'organisation_id' => 'uuid',
-        'end_date' => 'date',
-        'reports' => null
+        'organisation_id' => 'uuid''end_date' => 'date''reports' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'organisation_id' => 'organisationId',
-        'end_date' => 'endDate',
-        'reports' => 'reports'
+        'organisation_id' => 'organisationId''end_date' => 'endDate''reports' => 'reports'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'organisation_id' => 'setOrganisationId',
-        'end_date' => 'setEndDate',
-        'reports' => 'setReports'
+        'organisation_id' => 'setOrganisationId''end_date' => 'setEndDate''reports' => 'setReports'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'organisation_id' => 'getOrganisationId',
-        'end_date' => 'getEndDate',
-        'reports' => 'getReports'
+        'organisation_id' => 'getOrganisationId''end_date' => 'getEndDate''reports' => 'getReports'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setReports($reports)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/StatementBalanceResponse.php b/lib/Models/Finance/StatementBalanceResponse.php
index 2eeb7644..77aff57c 100644
--- a/lib/Models/Finance/StatementBalanceResponse.php
+++ b/lib/Models/Finance/StatementBalanceResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * StatementBalanceResponse Class Doc Comment
  *
@@ -56,8 +58,7 @@ class StatementBalanceResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'value' => 'double',
-        'type' => 'string'
+        'value' => 'double''type' => 'string'
     ];
 
     /**
@@ -66,8 +67,7 @@ class StatementBalanceResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'value' => 'double',
-        'type' => null
+        'value' => 'double''type' => null
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'value' => 'value',
-        'type' => 'type'
+        'value' => 'value''type' => 'type'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'value' => 'setValue',
-        'type' => 'setType'
+        'value' => 'setValue''type' => 'setType'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'value' => 'getValue',
-        'type' => 'getType'
+        'value' => 'getValue''type' => 'getType'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setType($type)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/StatementLineResponse.php b/lib/Models/Finance/StatementLineResponse.php
index d8f4738f..d16b6521 100644
--- a/lib/Models/Finance/StatementLineResponse.php
+++ b/lib/Models/Finance/StatementLineResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * StatementLineResponse Class Doc Comment
  *
@@ -56,19 +58,7 @@ class StatementLineResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'statement_line_id' => 'string',
-        'posted_date' => '\DateTime',
-        'reference' => 'string',
-        'notes' => 'string',
-        'cheque_no' => 'string',
-        'amount' => 'double',
-        'transaction_date' => '\DateTime',
-        'type' => 'string',
-        'is_reconciled' => 'bool',
-        'is_duplicate' => 'bool',
-        'is_deleted' => 'bool',
-        'payments' => '\XeroAPI\XeroPHP\Models\Finance\PaymentResponse[]',
-        'bank_transactions' => '\XeroAPI\XeroPHP\Models\Finance\BankTransactionResponse[]'
+        'statement_line_id' => 'string''posted_date' => '\DateTime''reference' => 'string''notes' => 'string''cheque_no' => 'string''amount' => 'double''transaction_date' => '\DateTime''type' => 'string''is_reconciled' => 'bool''is_duplicate' => 'bool''is_deleted' => 'bool''payments' => '\XeroAPI\XeroPHP\Models\Finance\PaymentResponse[]''bank_transactions' => '\XeroAPI\XeroPHP\Models\Finance\BankTransactionResponse[]'
     ];
 
     /**
@@ -77,19 +67,7 @@ class StatementLineResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'statement_line_id' => 'uuid',
-        'posted_date' => 'date',
-        'reference' => null,
-        'notes' => null,
-        'cheque_no' => null,
-        'amount' => 'double',
-        'transaction_date' => 'date',
-        'type' => null,
-        'is_reconciled' => null,
-        'is_duplicate' => null,
-        'is_deleted' => null,
-        'payments' => null,
-        'bank_transactions' => null
+        'statement_line_id' => 'uuid''posted_date' => 'date''reference' => null'notes' => null'cheque_no' => null'amount' => 'double''transaction_date' => 'date''type' => null'is_reconciled' => null'is_duplicate' => null'is_deleted' => null'payments' => null'bank_transactions' => null
     ];
 
     /**
@@ -119,19 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'statement_line_id' => 'statementLineId',
-        'posted_date' => 'postedDate',
-        'reference' => 'reference',
-        'notes' => 'notes',
-        'cheque_no' => 'chequeNo',
-        'amount' => 'amount',
-        'transaction_date' => 'transactionDate',
-        'type' => 'type',
-        'is_reconciled' => 'isReconciled',
-        'is_duplicate' => 'isDuplicate',
-        'is_deleted' => 'isDeleted',
-        'payments' => 'payments',
-        'bank_transactions' => 'bankTransactions'
+        'statement_line_id' => 'statementLineId''posted_date' => 'postedDate''reference' => 'reference''notes' => 'notes''cheque_no' => 'chequeNo''amount' => 'amount''transaction_date' => 'transactionDate''type' => 'type''is_reconciled' => 'isReconciled''is_duplicate' => 'isDuplicate''is_deleted' => 'isDeleted''payments' => 'payments''bank_transactions' => 'bankTransactions'
     ];
 
     /**
@@ -140,19 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'statement_line_id' => 'setStatementLineId',
-        'posted_date' => 'setPostedDate',
-        'reference' => 'setReference',
-        'notes' => 'setNotes',
-        'cheque_no' => 'setChequeNo',
-        'amount' => 'setAmount',
-        'transaction_date' => 'setTransactionDate',
-        'type' => 'setType',
-        'is_reconciled' => 'setIsReconciled',
-        'is_duplicate' => 'setIsDuplicate',
-        'is_deleted' => 'setIsDeleted',
-        'payments' => 'setPayments',
-        'bank_transactions' => 'setBankTransactions'
+        'statement_line_id' => 'setStatementLineId''posted_date' => 'setPostedDate''reference' => 'setReference''notes' => 'setNotes''cheque_no' => 'setChequeNo''amount' => 'setAmount''transaction_date' => 'setTransactionDate''type' => 'setType''is_reconciled' => 'setIsReconciled''is_duplicate' => 'setIsDuplicate''is_deleted' => 'setIsDeleted''payments' => 'setPayments''bank_transactions' => 'setBankTransactions'
     ];
 
     /**
@@ -161,19 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'statement_line_id' => 'getStatementLineId',
-        'posted_date' => 'getPostedDate',
-        'reference' => 'getReference',
-        'notes' => 'getNotes',
-        'cheque_no' => 'getChequeNo',
-        'amount' => 'getAmount',
-        'transaction_date' => 'getTransactionDate',
-        'type' => 'getType',
-        'is_reconciled' => 'getIsReconciled',
-        'is_duplicate' => 'getIsDuplicate',
-        'is_deleted' => 'getIsDeleted',
-        'payments' => 'getPayments',
-        'bank_transactions' => 'getBankTransactions'
+        'statement_line_id' => 'getStatementLineId''posted_date' => 'getPostedDate''reference' => 'getReference''notes' => 'getNotes''cheque_no' => 'getChequeNo''amount' => 'getAmount''transaction_date' => 'getTransactionDate''type' => 'getType''is_reconciled' => 'getIsReconciled''is_duplicate' => 'getIsDuplicate''is_deleted' => 'getIsDeleted''payments' => 'getPayments''bank_transactions' => 'getBankTransactions'
     ];
 
     /**
@@ -632,6 +574,7 @@ public function setBankTransactions($bank_transactions)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -644,6 +587,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -657,6 +601,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -673,6 +618,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/StatementLinesResponse.php b/lib/Models/Finance/StatementLinesResponse.php
index 6b39cc2e..fa4c7c4f 100644
--- a/lib/Models/Finance/StatementLinesResponse.php
+++ b/lib/Models/Finance/StatementLinesResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * StatementLinesResponse Class Doc Comment
  *
@@ -56,23 +58,7 @@ class StatementLinesResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'unreconciled_amount_pos' => 'double',
-        'unreconciled_amount_neg' => 'double',
-        'unreconciled_lines' => 'int',
-        'avg_days_unreconciled_pos' => 'double',
-        'avg_days_unreconciled_neg' => 'double',
-        'earliest_unreconciled_transaction' => '\DateTime',
-        'latest_unreconciled_transaction' => '\DateTime',
-        'deleted_amount' => 'double',
-        'total_amount' => 'double',
-        'data_source' => '\XeroAPI\XeroPHP\Models\Finance\DataSourceResponse',
-        'earliest_reconciled_transaction' => '\DateTime',
-        'latest_reconciled_transaction' => '\DateTime',
-        'reconciled_amount_pos' => 'double',
-        'reconciled_amount_neg' => 'double',
-        'reconciled_lines' => 'int',
-        'total_amount_pos' => 'double',
-        'total_amount_neg' => 'double'
+        'unreconciled_amount_pos' => 'double''unreconciled_amount_neg' => 'double''unreconciled_lines' => 'int''avg_days_unreconciled_pos' => 'double''avg_days_unreconciled_neg' => 'double''earliest_unreconciled_transaction' => '\DateTime''latest_unreconciled_transaction' => '\DateTime''deleted_amount' => 'double''total_amount' => 'double''data_source' => '\XeroAPI\XeroPHP\Models\Finance\DataSourceResponse''earliest_reconciled_transaction' => '\DateTime''latest_reconciled_transaction' => '\DateTime''reconciled_amount_pos' => 'double''reconciled_amount_neg' => 'double''reconciled_lines' => 'int''total_amount_pos' => 'double''total_amount_neg' => 'double'
     ];
 
     /**
@@ -81,23 +67,7 @@ class StatementLinesResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'unreconciled_amount_pos' => 'double',
-        'unreconciled_amount_neg' => 'double',
-        'unreconciled_lines' => 'int32',
-        'avg_days_unreconciled_pos' => 'double',
-        'avg_days_unreconciled_neg' => 'double',
-        'earliest_unreconciled_transaction' => 'date',
-        'latest_unreconciled_transaction' => 'date',
-        'deleted_amount' => 'double',
-        'total_amount' => 'double',
-        'data_source' => null,
-        'earliest_reconciled_transaction' => 'date',
-        'latest_reconciled_transaction' => 'date',
-        'reconciled_amount_pos' => 'double',
-        'reconciled_amount_neg' => 'double',
-        'reconciled_lines' => 'int32',
-        'total_amount_pos' => 'double',
-        'total_amount_neg' => 'double'
+        'unreconciled_amount_pos' => 'double''unreconciled_amount_neg' => 'double''unreconciled_lines' => 'int32''avg_days_unreconciled_pos' => 'double''avg_days_unreconciled_neg' => 'double''earliest_unreconciled_transaction' => 'date''latest_unreconciled_transaction' => 'date''deleted_amount' => 'double''total_amount' => 'double''data_source' => null'earliest_reconciled_transaction' => 'date''latest_reconciled_transaction' => 'date''reconciled_amount_pos' => 'double''reconciled_amount_neg' => 'double''reconciled_lines' => 'int32''total_amount_pos' => 'double''total_amount_neg' => 'double'
     ];
 
     /**
@@ -127,23 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'unreconciled_amount_pos' => 'unreconciledAmountPos',
-        'unreconciled_amount_neg' => 'unreconciledAmountNeg',
-        'unreconciled_lines' => 'unreconciledLines',
-        'avg_days_unreconciled_pos' => 'avgDaysUnreconciledPos',
-        'avg_days_unreconciled_neg' => 'avgDaysUnreconciledNeg',
-        'earliest_unreconciled_transaction' => 'earliestUnreconciledTransaction',
-        'latest_unreconciled_transaction' => 'latestUnreconciledTransaction',
-        'deleted_amount' => 'deletedAmount',
-        'total_amount' => 'totalAmount',
-        'data_source' => 'dataSource',
-        'earliest_reconciled_transaction' => 'earliestReconciledTransaction',
-        'latest_reconciled_transaction' => 'latestReconciledTransaction',
-        'reconciled_amount_pos' => 'reconciledAmountPos',
-        'reconciled_amount_neg' => 'reconciledAmountNeg',
-        'reconciled_lines' => 'reconciledLines',
-        'total_amount_pos' => 'totalAmountPos',
-        'total_amount_neg' => 'totalAmountNeg'
+        'unreconciled_amount_pos' => 'unreconciledAmountPos''unreconciled_amount_neg' => 'unreconciledAmountNeg''unreconciled_lines' => 'unreconciledLines''avg_days_unreconciled_pos' => 'avgDaysUnreconciledPos''avg_days_unreconciled_neg' => 'avgDaysUnreconciledNeg''earliest_unreconciled_transaction' => 'earliestUnreconciledTransaction''latest_unreconciled_transaction' => 'latestUnreconciledTransaction''deleted_amount' => 'deletedAmount''total_amount' => 'totalAmount''data_source' => 'dataSource''earliest_reconciled_transaction' => 'earliestReconciledTransaction''latest_reconciled_transaction' => 'latestReconciledTransaction''reconciled_amount_pos' => 'reconciledAmountPos''reconciled_amount_neg' => 'reconciledAmountNeg''reconciled_lines' => 'reconciledLines''total_amount_pos' => 'totalAmountPos''total_amount_neg' => 'totalAmountNeg'
     ];
 
     /**
@@ -152,23 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'unreconciled_amount_pos' => 'setUnreconciledAmountPos',
-        'unreconciled_amount_neg' => 'setUnreconciledAmountNeg',
-        'unreconciled_lines' => 'setUnreconciledLines',
-        'avg_days_unreconciled_pos' => 'setAvgDaysUnreconciledPos',
-        'avg_days_unreconciled_neg' => 'setAvgDaysUnreconciledNeg',
-        'earliest_unreconciled_transaction' => 'setEarliestUnreconciledTransaction',
-        'latest_unreconciled_transaction' => 'setLatestUnreconciledTransaction',
-        'deleted_amount' => 'setDeletedAmount',
-        'total_amount' => 'setTotalAmount',
-        'data_source' => 'setDataSource',
-        'earliest_reconciled_transaction' => 'setEarliestReconciledTransaction',
-        'latest_reconciled_transaction' => 'setLatestReconciledTransaction',
-        'reconciled_amount_pos' => 'setReconciledAmountPos',
-        'reconciled_amount_neg' => 'setReconciledAmountNeg',
-        'reconciled_lines' => 'setReconciledLines',
-        'total_amount_pos' => 'setTotalAmountPos',
-        'total_amount_neg' => 'setTotalAmountNeg'
+        'unreconciled_amount_pos' => 'setUnreconciledAmountPos''unreconciled_amount_neg' => 'setUnreconciledAmountNeg''unreconciled_lines' => 'setUnreconciledLines''avg_days_unreconciled_pos' => 'setAvgDaysUnreconciledPos''avg_days_unreconciled_neg' => 'setAvgDaysUnreconciledNeg''earliest_unreconciled_transaction' => 'setEarliestUnreconciledTransaction''latest_unreconciled_transaction' => 'setLatestUnreconciledTransaction''deleted_amount' => 'setDeletedAmount''total_amount' => 'setTotalAmount''data_source' => 'setDataSource''earliest_reconciled_transaction' => 'setEarliestReconciledTransaction''latest_reconciled_transaction' => 'setLatestReconciledTransaction''reconciled_amount_pos' => 'setReconciledAmountPos''reconciled_amount_neg' => 'setReconciledAmountNeg''reconciled_lines' => 'setReconciledLines''total_amount_pos' => 'setTotalAmountPos''total_amount_neg' => 'setTotalAmountNeg'
     ];
 
     /**
@@ -177,23 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'unreconciled_amount_pos' => 'getUnreconciledAmountPos',
-        'unreconciled_amount_neg' => 'getUnreconciledAmountNeg',
-        'unreconciled_lines' => 'getUnreconciledLines',
-        'avg_days_unreconciled_pos' => 'getAvgDaysUnreconciledPos',
-        'avg_days_unreconciled_neg' => 'getAvgDaysUnreconciledNeg',
-        'earliest_unreconciled_transaction' => 'getEarliestUnreconciledTransaction',
-        'latest_unreconciled_transaction' => 'getLatestUnreconciledTransaction',
-        'deleted_amount' => 'getDeletedAmount',
-        'total_amount' => 'getTotalAmount',
-        'data_source' => 'getDataSource',
-        'earliest_reconciled_transaction' => 'getEarliestReconciledTransaction',
-        'latest_reconciled_transaction' => 'getLatestReconciledTransaction',
-        'reconciled_amount_pos' => 'getReconciledAmountPos',
-        'reconciled_amount_neg' => 'getReconciledAmountNeg',
-        'reconciled_lines' => 'getReconciledLines',
-        'total_amount_pos' => 'getTotalAmountPos',
-        'total_amount_neg' => 'getTotalAmountNeg'
+        'unreconciled_amount_pos' => 'getUnreconciledAmountPos''unreconciled_amount_neg' => 'getUnreconciledAmountNeg''unreconciled_lines' => 'getUnreconciledLines''avg_days_unreconciled_pos' => 'getAvgDaysUnreconciledPos''avg_days_unreconciled_neg' => 'getAvgDaysUnreconciledNeg''earliest_unreconciled_transaction' => 'getEarliestUnreconciledTransaction''latest_unreconciled_transaction' => 'getLatestUnreconciledTransaction''deleted_amount' => 'getDeletedAmount''total_amount' => 'getTotalAmount''data_source' => 'getDataSource''earliest_reconciled_transaction' => 'getEarliestReconciledTransaction''latest_reconciled_transaction' => 'getLatestReconciledTransaction''reconciled_amount_pos' => 'getReconciledAmountPos''reconciled_amount_neg' => 'getReconciledAmountNeg''reconciled_lines' => 'getReconciledLines''total_amount_pos' => 'getTotalAmountPos''total_amount_neg' => 'getTotalAmountNeg'
     ];
 
     /**
@@ -764,6 +686,7 @@ public function setTotalAmountNeg($total_amount_neg)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -776,6 +699,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -789,6 +713,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -805,6 +730,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/StatementResponse.php b/lib/Models/Finance/StatementResponse.php
index 93739f11..628ec403 100644
--- a/lib/Models/Finance/StatementResponse.php
+++ b/lib/Models/Finance/StatementResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * StatementResponse Class Doc Comment
  *
@@ -56,12 +58,7 @@ class StatementResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'statement_id' => 'string',
-        'start_date' => '\DateTime',
-        'end_date' => '\DateTime',
-        'imported_date_time_utc' => '\DateTime',
-        'import_source' => 'string',
-        'statement_lines' => '\XeroAPI\XeroPHP\Models\Finance\StatementLineResponse[]'
+        'statement_id' => 'string''start_date' => '\DateTime''end_date' => '\DateTime''imported_date_time_utc' => '\DateTime''import_source' => 'string''statement_lines' => '\XeroAPI\XeroPHP\Models\Finance\StatementLineResponse[]'
     ];
 
     /**
@@ -70,12 +67,7 @@ class StatementResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'statement_id' => 'uuid',
-        'start_date' => 'date',
-        'end_date' => 'date',
-        'imported_date_time_utc' => 'date-time',
-        'import_source' => null,
-        'statement_lines' => null
+        'statement_id' => 'uuid''start_date' => 'date''end_date' => 'date''imported_date_time_utc' => 'date-time''import_source' => null'statement_lines' => null
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'statement_id' => 'statementId',
-        'start_date' => 'startDate',
-        'end_date' => 'endDate',
-        'imported_date_time_utc' => 'importedDateTimeUtc',
-        'import_source' => 'importSource',
-        'statement_lines' => 'statementLines'
+        'statement_id' => 'statementId''start_date' => 'startDate''end_date' => 'endDate''imported_date_time_utc' => 'importedDateTimeUtc''import_source' => 'importSource''statement_lines' => 'statementLines'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'statement_id' => 'setStatementId',
-        'start_date' => 'setStartDate',
-        'end_date' => 'setEndDate',
-        'imported_date_time_utc' => 'setImportedDateTimeUtc',
-        'import_source' => 'setImportSource',
-        'statement_lines' => 'setStatementLines'
+        'statement_id' => 'setStatementId''start_date' => 'setStartDate''end_date' => 'setEndDate''imported_date_time_utc' => 'setImportedDateTimeUtc''import_source' => 'setImportSource''statement_lines' => 'setStatementLines'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'statement_id' => 'getStatementId',
-        'start_date' => 'getStartDate',
-        'end_date' => 'getEndDate',
-        'imported_date_time_utc' => 'getImportedDateTimeUtc',
-        'import_source' => 'getImportSource',
-        'statement_lines' => 'getStatementLines'
+        'statement_id' => 'getStatementId''start_date' => 'getStartDate''end_date' => 'getEndDate''imported_date_time_utc' => 'getImportedDateTimeUtc''import_source' => 'getImportSource''statement_lines' => 'getStatementLines'
     ];
 
     /**
@@ -401,6 +378,7 @@ public function setStatementLines($statement_lines)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -413,6 +391,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -426,6 +405,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -442,6 +422,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/TotalDetail.php b/lib/Models/Finance/TotalDetail.php
index d32ad4b0..3dfd70a8 100644
--- a/lib/Models/Finance/TotalDetail.php
+++ b/lib/Models/Finance/TotalDetail.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TotalDetail Class Doc Comment
  *
@@ -56,9 +58,7 @@ class TotalDetail implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'total_paid' => 'double',
-        'total_outstanding' => 'double',
-        'total_credited_un_applied' => 'double'
+        'total_paid' => 'double''total_outstanding' => 'double''total_credited_un_applied' => 'double'
     ];
 
     /**
@@ -67,9 +67,7 @@ class TotalDetail implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'total_paid' => 'double',
-        'total_outstanding' => 'double',
-        'total_credited_un_applied' => 'double'
+        'total_paid' => 'double''total_outstanding' => 'double''total_credited_un_applied' => 'double'
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'total_paid' => 'totalPaid',
-        'total_outstanding' => 'totalOutstanding',
-        'total_credited_un_applied' => 'totalCreditedUnApplied'
+        'total_paid' => 'totalPaid''total_outstanding' => 'totalOutstanding''total_credited_un_applied' => 'totalCreditedUnApplied'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'total_paid' => 'setTotalPaid',
-        'total_outstanding' => 'setTotalOutstanding',
-        'total_credited_un_applied' => 'setTotalCreditedUnApplied'
+        'total_paid' => 'setTotalPaid''total_outstanding' => 'setTotalOutstanding''total_credited_un_applied' => 'setTotalCreditedUnApplied'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'total_paid' => 'getTotalPaid',
-        'total_outstanding' => 'getTotalOutstanding',
-        'total_credited_un_applied' => 'getTotalCreditedUnApplied'
+        'total_paid' => 'getTotalPaid''total_outstanding' => 'getTotalOutstanding''total_credited_un_applied' => 'getTotalCreditedUnApplied'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setTotalCreditedUnApplied($total_credited_un_applied)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/TotalOther.php b/lib/Models/Finance/TotalOther.php
index 641d8c0f..8f84f180 100644
--- a/lib/Models/Finance/TotalOther.php
+++ b/lib/Models/Finance/TotalOther.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TotalOther Class Doc Comment
  *
@@ -56,9 +58,7 @@ class TotalOther implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'total_outstanding_aged' => 'double',
-        'total_voided' => 'double',
-        'total_credited' => 'double'
+        'total_outstanding_aged' => 'double''total_voided' => 'double''total_credited' => 'double'
     ];
 
     /**
@@ -67,9 +67,7 @@ class TotalOther implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'total_outstanding_aged' => 'double',
-        'total_voided' => 'double',
-        'total_credited' => 'double'
+        'total_outstanding_aged' => 'double''total_voided' => 'double''total_credited' => 'double'
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'total_outstanding_aged' => 'totalOutstandingAged',
-        'total_voided' => 'totalVoided',
-        'total_credited' => 'totalCredited'
+        'total_outstanding_aged' => 'totalOutstandingAged''total_voided' => 'totalVoided''total_credited' => 'totalCredited'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'total_outstanding_aged' => 'setTotalOutstandingAged',
-        'total_voided' => 'setTotalVoided',
-        'total_credited' => 'setTotalCredited'
+        'total_outstanding_aged' => 'setTotalOutstandingAged''total_voided' => 'setTotalVoided''total_credited' => 'setTotalCredited'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'total_outstanding_aged' => 'getTotalOutstandingAged',
-        'total_voided' => 'getTotalVoided',
-        'total_credited' => 'getTotalCredited'
+        'total_outstanding_aged' => 'getTotalOutstandingAged''total_voided' => 'getTotalVoided''total_credited' => 'getTotalCredited'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setTotalCredited($total_credited)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/TrialBalanceAccount.php b/lib/Models/Finance/TrialBalanceAccount.php
index 2807ee57..b593c8ae 100644
--- a/lib/Models/Finance/TrialBalanceAccount.php
+++ b/lib/Models/Finance/TrialBalanceAccount.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TrialBalanceAccount Class Doc Comment
  *
@@ -56,16 +58,7 @@ class TrialBalanceAccount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_id' => 'string',
-        'account_type' => 'string',
-        'account_code' => 'string',
-        'account_class' => 'string',
-        'status' => 'string',
-        'reporting_code' => 'string',
-        'account_name' => 'string',
-        'balance' => '\XeroAPI\XeroPHP\Models\Finance\TrialBalanceEntry',
-        'signed_balance' => 'double',
-        'account_movement' => '\XeroAPI\XeroPHP\Models\Finance\TrialBalanceMovement'
+        'account_id' => 'string''account_type' => 'string''account_code' => 'string''account_class' => 'string''status' => 'string''reporting_code' => 'string''account_name' => 'string''balance' => '\XeroAPI\XeroPHP\Models\Finance\TrialBalanceEntry''signed_balance' => 'double''account_movement' => '\XeroAPI\XeroPHP\Models\Finance\TrialBalanceMovement'
     ];
 
     /**
@@ -74,16 +67,7 @@ class TrialBalanceAccount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_id' => 'uuid',
-        'account_type' => null,
-        'account_code' => null,
-        'account_class' => null,
-        'status' => null,
-        'reporting_code' => null,
-        'account_name' => null,
-        'balance' => null,
-        'signed_balance' => 'double',
-        'account_movement' => null
+        'account_id' => 'uuid''account_type' => null'account_code' => null'account_class' => null'status' => null'reporting_code' => null'account_name' => null'balance' => null'signed_balance' => 'double''account_movement' => null
     ];
 
     /**
@@ -113,16 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_id' => 'accountId',
-        'account_type' => 'accountType',
-        'account_code' => 'accountCode',
-        'account_class' => 'accountClass',
-        'status' => 'status',
-        'reporting_code' => 'reportingCode',
-        'account_name' => 'accountName',
-        'balance' => 'balance',
-        'signed_balance' => 'signedBalance',
-        'account_movement' => 'accountMovement'
+        'account_id' => 'accountId''account_type' => 'accountType''account_code' => 'accountCode''account_class' => 'accountClass''status' => 'status''reporting_code' => 'reportingCode''account_name' => 'accountName''balance' => 'balance''signed_balance' => 'signedBalance''account_movement' => 'accountMovement'
     ];
 
     /**
@@ -131,16 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_id' => 'setAccountId',
-        'account_type' => 'setAccountType',
-        'account_code' => 'setAccountCode',
-        'account_class' => 'setAccountClass',
-        'status' => 'setStatus',
-        'reporting_code' => 'setReportingCode',
-        'account_name' => 'setAccountName',
-        'balance' => 'setBalance',
-        'signed_balance' => 'setSignedBalance',
-        'account_movement' => 'setAccountMovement'
+        'account_id' => 'setAccountId''account_type' => 'setAccountType''account_code' => 'setAccountCode''account_class' => 'setAccountClass''status' => 'setStatus''reporting_code' => 'setReportingCode''account_name' => 'setAccountName''balance' => 'setBalance''signed_balance' => 'setSignedBalance''account_movement' => 'setAccountMovement'
     ];
 
     /**
@@ -149,16 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_id' => 'getAccountId',
-        'account_type' => 'getAccountType',
-        'account_code' => 'getAccountCode',
-        'account_class' => 'getAccountClass',
-        'status' => 'getStatus',
-        'reporting_code' => 'getReportingCode',
-        'account_name' => 'getAccountName',
-        'balance' => 'getBalance',
-        'signed_balance' => 'getSignedBalance',
-        'account_movement' => 'getAccountMovement'
+        'account_id' => 'getAccountId''account_type' => 'getAccountType''account_code' => 'getAccountCode''account_class' => 'getAccountClass''status' => 'getStatus''reporting_code' => 'getReportingCode''account_name' => 'getAccountName''balance' => 'getBalance''signed_balance' => 'getSignedBalance''account_movement' => 'getAccountMovement'
     ];
 
     /**
@@ -533,6 +490,7 @@ public function setAccountMovement($account_movement)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -545,6 +503,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -558,6 +517,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -574,6 +534,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/TrialBalanceEntry.php b/lib/Models/Finance/TrialBalanceEntry.php
index a5f1d1fc..f206e23d 100644
--- a/lib/Models/Finance/TrialBalanceEntry.php
+++ b/lib/Models/Finance/TrialBalanceEntry.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TrialBalanceEntry Class Doc Comment
  *
@@ -56,8 +58,7 @@ class TrialBalanceEntry implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'value' => 'double',
-        'entry_type' => 'string'
+        'value' => 'double''entry_type' => 'string'
     ];
 
     /**
@@ -66,8 +67,7 @@ class TrialBalanceEntry implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'value' => 'double',
-        'entry_type' => null
+        'value' => 'double''entry_type' => null
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'value' => 'value',
-        'entry_type' => 'entryType'
+        'value' => 'value''entry_type' => 'entryType'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'value' => 'setValue',
-        'entry_type' => 'setEntryType'
+        'value' => 'setValue''entry_type' => 'setEntryType'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'value' => 'getValue',
-        'entry_type' => 'getEntryType'
+        'value' => 'getValue''entry_type' => 'getEntryType'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setEntryType($entry_type)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/TrialBalanceMovement.php b/lib/Models/Finance/TrialBalanceMovement.php
index 9712975b..ccf73916 100644
--- a/lib/Models/Finance/TrialBalanceMovement.php
+++ b/lib/Models/Finance/TrialBalanceMovement.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TrialBalanceMovement Class Doc Comment
  *
@@ -56,10 +58,7 @@ class TrialBalanceMovement implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'debits' => 'double',
-        'credits' => 'double',
-        'movement' => '\XeroAPI\XeroPHP\Models\Finance\TrialBalanceEntry',
-        'signed_movement' => 'double'
+        'debits' => 'double''credits' => 'double''movement' => '\XeroAPI\XeroPHP\Models\Finance\TrialBalanceEntry''signed_movement' => 'double'
     ];
 
     /**
@@ -68,10 +67,7 @@ class TrialBalanceMovement implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'debits' => 'double',
-        'credits' => 'double',
-        'movement' => null,
-        'signed_movement' => 'double'
+        'debits' => 'double''credits' => 'double''movement' => null'signed_movement' => 'double'
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'debits' => 'debits',
-        'credits' => 'credits',
-        'movement' => 'movement',
-        'signed_movement' => 'signedMovement'
+        'debits' => 'debits''credits' => 'credits''movement' => 'movement''signed_movement' => 'signedMovement'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'debits' => 'setDebits',
-        'credits' => 'setCredits',
-        'movement' => 'setMovement',
-        'signed_movement' => 'setSignedMovement'
+        'debits' => 'setDebits''credits' => 'setCredits''movement' => 'setMovement''signed_movement' => 'setSignedMovement'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'debits' => 'getDebits',
-        'credits' => 'getCredits',
-        'movement' => 'getMovement',
-        'signed_movement' => 'getSignedMovement'
+        'debits' => 'getDebits''credits' => 'getCredits''movement' => 'getMovement''signed_movement' => 'getSignedMovement'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setSignedMovement($signed_movement)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/TrialBalanceResponse.php b/lib/Models/Finance/TrialBalanceResponse.php
index 4fe5011d..8acdcbab 100644
--- a/lib/Models/Finance/TrialBalanceResponse.php
+++ b/lib/Models/Finance/TrialBalanceResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TrialBalanceResponse Class Doc Comment
  *
@@ -56,9 +58,7 @@ class TrialBalanceResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'start_date' => '\DateTime',
-        'end_date' => '\DateTime',
-        'accounts' => '\XeroAPI\XeroPHP\Models\Finance\TrialBalanceAccount[]'
+        'start_date' => '\DateTime''end_date' => '\DateTime''accounts' => '\XeroAPI\XeroPHP\Models\Finance\TrialBalanceAccount[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class TrialBalanceResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'start_date' => 'date',
-        'end_date' => 'date',
-        'accounts' => null
+        'start_date' => 'date''end_date' => 'date''accounts' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'start_date' => 'startDate',
-        'end_date' => 'endDate',
-        'accounts' => 'accounts'
+        'start_date' => 'startDate''end_date' => 'endDate''accounts' => 'accounts'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'start_date' => 'setStartDate',
-        'end_date' => 'setEndDate',
-        'accounts' => 'setAccounts'
+        'start_date' => 'setStartDate''end_date' => 'setEndDate''accounts' => 'setAccounts'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'start_date' => 'getStartDate',
-        'end_date' => 'getEndDate',
-        'accounts' => 'getAccounts'
+        'start_date' => 'getStartDate''end_date' => 'getEndDate''accounts' => 'getAccounts'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setAccounts($accounts)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/UserActivitiesResponse.php b/lib/Models/Finance/UserActivitiesResponse.php
index 496e1ffe..fd9fcb8b 100644
--- a/lib/Models/Finance/UserActivitiesResponse.php
+++ b/lib/Models/Finance/UserActivitiesResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * UserActivitiesResponse Class Doc Comment
  *
@@ -56,9 +58,7 @@ class UserActivitiesResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'organisation_id' => 'string',
-        'data_month' => 'string',
-        'users' => '\XeroAPI\XeroPHP\Models\Finance\UserResponse[]'
+        'organisation_id' => 'string''data_month' => 'string''users' => '\XeroAPI\XeroPHP\Models\Finance\UserResponse[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class UserActivitiesResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'organisation_id' => 'uuid',
-        'data_month' => null,
-        'users' => null
+        'organisation_id' => 'uuid''data_month' => null'users' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'organisation_id' => 'organisationId',
-        'data_month' => 'dataMonth',
-        'users' => 'users'
+        'organisation_id' => 'organisationId''data_month' => 'dataMonth''users' => 'users'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'organisation_id' => 'setOrganisationId',
-        'data_month' => 'setDataMonth',
-        'users' => 'setUsers'
+        'organisation_id' => 'setOrganisationId''data_month' => 'setDataMonth''users' => 'setUsers'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'organisation_id' => 'getOrganisationId',
-        'data_month' => 'getDataMonth',
-        'users' => 'getUsers'
+        'organisation_id' => 'getOrganisationId''data_month' => 'getDataMonth''users' => 'getUsers'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setUsers($users)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/UserResponse.php b/lib/Models/Finance/UserResponse.php
index f1ca17ea..4045b147 100644
--- a/lib/Models/Finance/UserResponse.php
+++ b/lib/Models/Finance/UserResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FinanceObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * UserResponse Class Doc Comment
  *
@@ -56,18 +58,7 @@ class UserResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'user_id' => 'string',
-        'user_created_date_utc' => '\DateTime',
-        'last_login_date_utc' => '\DateTime',
-        'is_external_partner' => 'bool',
-        'has_accountant_role' => 'bool',
-        'month_period' => 'string',
-        'number_of_logins' => 'int',
-        'number_of_documents_created' => 'int',
-        'net_value_documents_created' => 'double',
-        'absolute_value_documents_created' => 'double',
-        'attached_practices' => '\XeroAPI\XeroPHP\Models\Finance\PracticeResponse[]',
-        'history_records' => '\XeroAPI\XeroPHP\Models\Finance\HistoryRecordResponse[]'
+        'user_id' => 'string''user_created_date_utc' => '\DateTime''last_login_date_utc' => '\DateTime''is_external_partner' => 'bool''has_accountant_role' => 'bool''month_period' => 'string''number_of_logins' => 'int''number_of_documents_created' => 'int''net_value_documents_created' => 'double''absolute_value_documents_created' => 'double''attached_practices' => '\XeroAPI\XeroPHP\Models\Finance\PracticeResponse[]''history_records' => '\XeroAPI\XeroPHP\Models\Finance\HistoryRecordResponse[]'
     ];
 
     /**
@@ -76,18 +67,7 @@ class UserResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'user_id' => 'uuid',
-        'user_created_date_utc' => 'date-time',
-        'last_login_date_utc' => 'date-time',
-        'is_external_partner' => null,
-        'has_accountant_role' => null,
-        'month_period' => null,
-        'number_of_logins' => 'int32',
-        'number_of_documents_created' => 'int32',
-        'net_value_documents_created' => 'double',
-        'absolute_value_documents_created' => 'double',
-        'attached_practices' => null,
-        'history_records' => null
+        'user_id' => 'uuid''user_created_date_utc' => 'date-time''last_login_date_utc' => 'date-time''is_external_partner' => null'has_accountant_role' => null'month_period' => null'number_of_logins' => 'int32''number_of_documents_created' => 'int32''net_value_documents_created' => 'double''absolute_value_documents_created' => 'double''attached_practices' => null'history_records' => null
     ];
 
     /**
@@ -117,18 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'user_id' => 'userId',
-        'user_created_date_utc' => 'userCreatedDateUtc',
-        'last_login_date_utc' => 'lastLoginDateUtc',
-        'is_external_partner' => 'isExternalPartner',
-        'has_accountant_role' => 'hasAccountantRole',
-        'month_period' => 'monthPeriod',
-        'number_of_logins' => 'numberOfLogins',
-        'number_of_documents_created' => 'numberOfDocumentsCreated',
-        'net_value_documents_created' => 'netValueDocumentsCreated',
-        'absolute_value_documents_created' => 'absoluteValueDocumentsCreated',
-        'attached_practices' => 'attachedPractices',
-        'history_records' => 'historyRecords'
+        'user_id' => 'userId''user_created_date_utc' => 'userCreatedDateUtc''last_login_date_utc' => 'lastLoginDateUtc''is_external_partner' => 'isExternalPartner''has_accountant_role' => 'hasAccountantRole''month_period' => 'monthPeriod''number_of_logins' => 'numberOfLogins''number_of_documents_created' => 'numberOfDocumentsCreated''net_value_documents_created' => 'netValueDocumentsCreated''absolute_value_documents_created' => 'absoluteValueDocumentsCreated''attached_practices' => 'attachedPractices''history_records' => 'historyRecords'
     ];
 
     /**
@@ -137,18 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'user_id' => 'setUserId',
-        'user_created_date_utc' => 'setUserCreatedDateUtc',
-        'last_login_date_utc' => 'setLastLoginDateUtc',
-        'is_external_partner' => 'setIsExternalPartner',
-        'has_accountant_role' => 'setHasAccountantRole',
-        'month_period' => 'setMonthPeriod',
-        'number_of_logins' => 'setNumberOfLogins',
-        'number_of_documents_created' => 'setNumberOfDocumentsCreated',
-        'net_value_documents_created' => 'setNetValueDocumentsCreated',
-        'absolute_value_documents_created' => 'setAbsoluteValueDocumentsCreated',
-        'attached_practices' => 'setAttachedPractices',
-        'history_records' => 'setHistoryRecords'
+        'user_id' => 'setUserId''user_created_date_utc' => 'setUserCreatedDateUtc''last_login_date_utc' => 'setLastLoginDateUtc''is_external_partner' => 'setIsExternalPartner''has_accountant_role' => 'setHasAccountantRole''month_period' => 'setMonthPeriod''number_of_logins' => 'setNumberOfLogins''number_of_documents_created' => 'setNumberOfDocumentsCreated''net_value_documents_created' => 'setNetValueDocumentsCreated''absolute_value_documents_created' => 'setAbsoluteValueDocumentsCreated''attached_practices' => 'setAttachedPractices''history_records' => 'setHistoryRecords'
     ];
 
     /**
@@ -157,18 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'user_id' => 'getUserId',
-        'user_created_date_utc' => 'getUserCreatedDateUtc',
-        'last_login_date_utc' => 'getLastLoginDateUtc',
-        'is_external_partner' => 'getIsExternalPartner',
-        'has_accountant_role' => 'getHasAccountantRole',
-        'month_period' => 'getMonthPeriod',
-        'number_of_logins' => 'getNumberOfLogins',
-        'number_of_documents_created' => 'getNumberOfDocumentsCreated',
-        'net_value_documents_created' => 'getNetValueDocumentsCreated',
-        'absolute_value_documents_created' => 'getAbsoluteValueDocumentsCreated',
-        'attached_practices' => 'getAttachedPractices',
-        'history_records' => 'getHistoryRecords'
+        'user_id' => 'getUserId''user_created_date_utc' => 'getUserCreatedDateUtc''last_login_date_utc' => 'getLastLoginDateUtc''is_external_partner' => 'getIsExternalPartner''has_accountant_role' => 'getHasAccountantRole''month_period' => 'getMonthPeriod''number_of_logins' => 'getNumberOfLogins''number_of_documents_created' => 'getNumberOfDocumentsCreated''net_value_documents_created' => 'getNetValueDocumentsCreated''absolute_value_documents_created' => 'getAbsoluteValueDocumentsCreated''attached_practices' => 'getAttachedPractices''history_records' => 'getHistoryRecords'
     ];
 
     /**
@@ -599,6 +546,7 @@ public function setHistoryRecords($history_records)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -611,6 +559,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -624,6 +573,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -640,6 +590,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Identity/AccessToken.php b/lib/Models/Identity/AccessToken.php
index fbda4df1..42947aa7 100644
--- a/lib/Models/Identity/AccessToken.php
+++ b/lib/Models/Identity/AccessToken.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\IdentityObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * AccessToken Class Doc Comment
  *
@@ -56,11 +58,7 @@ class AccessToken implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'id_token' => 'string',
-        'access_token' => 'string',
-        'expires_in' => 'int',
-        'token_type' => 'string',
-        'refresh_token' => 'string'
+        'id_token' => 'string''access_token' => 'string''expires_in' => 'int''token_type' => 'string''refresh_token' => 'string'
     ];
 
     /**
@@ -69,11 +67,7 @@ class AccessToken implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'id_token' => null,
-        'access_token' => null,
-        'expires_in' => 'int64',
-        'token_type' => null,
-        'refresh_token' => null
+        'id_token' => null'access_token' => null'expires_in' => 'int64''token_type' => null'refresh_token' => null
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'id_token' => 'id_token',
-        'access_token' => 'access_token',
-        'expires_in' => 'expires_in',
-        'token_type' => 'token_type',
-        'refresh_token' => 'refresh_token'
+        'id_token' => 'id_token''access_token' => 'access_token''expires_in' => 'expires_in''token_type' => 'token_type''refresh_token' => 'refresh_token'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'id_token' => 'setIdToken',
-        'access_token' => 'setAccessToken',
-        'expires_in' => 'setExpiresIn',
-        'token_type' => 'setTokenType',
-        'refresh_token' => 'setRefreshToken'
+        'id_token' => 'setIdToken''access_token' => 'setAccessToken''expires_in' => 'setExpiresIn''token_type' => 'setTokenType''refresh_token' => 'setRefreshToken'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'id_token' => 'getIdToken',
-        'access_token' => 'getAccessToken',
-        'expires_in' => 'getExpiresIn',
-        'token_type' => 'getTokenType',
-        'refresh_token' => 'getRefreshToken'
+        'id_token' => 'getIdToken''access_token' => 'getAccessToken''expires_in' => 'getExpiresIn''token_type' => 'getTokenType''refresh_token' => 'getRefreshToken'
     ];
 
     /**
@@ -368,6 +350,7 @@ public function setRefreshToken($refresh_token)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -380,6 +363,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -393,6 +377,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -409,6 +394,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Identity/Connection.php b/lib/Models/Identity/Connection.php
index 33e2287a..ea13381d 100644
--- a/lib/Models/Identity/Connection.php
+++ b/lib/Models/Identity/Connection.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\IdentityObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Connection Class Doc Comment
  *
@@ -56,13 +58,7 @@ class Connection implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'id' => 'string',
-        'tenant_id' => 'string',
-        'auth_event_id' => 'string',
-        'tenant_type' => 'string',
-        'tenant_name' => 'string',
-        'created_date_utc' => '\DateTime',
-        'updated_date_utc' => '\DateTime'
+        'id' => 'string''tenant_id' => 'string''auth_event_id' => 'string''tenant_type' => 'string''tenant_name' => 'string''created_date_utc' => '\DateTime''updated_date_utc' => '\DateTime'
     ];
 
     /**
@@ -71,13 +67,7 @@ class Connection implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'id' => 'uuid',
-        'tenant_id' => 'uuid',
-        'auth_event_id' => 'uuid',
-        'tenant_type' => null,
-        'tenant_name' => null,
-        'created_date_utc' => 'date-time',
-        'updated_date_utc' => 'date-time'
+        'id' => 'uuid''tenant_id' => 'uuid''auth_event_id' => 'uuid''tenant_type' => null'tenant_name' => null'created_date_utc' => 'date-time''updated_date_utc' => 'date-time'
     ];
 
     /**
@@ -107,13 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'id' => 'id',
-        'tenant_id' => 'tenantId',
-        'auth_event_id' => 'authEventId',
-        'tenant_type' => 'tenantType',
-        'tenant_name' => 'tenantName',
-        'created_date_utc' => 'createdDateUtc',
-        'updated_date_utc' => 'updatedDateUtc'
+        'id' => 'id''tenant_id' => 'tenantId''auth_event_id' => 'authEventId''tenant_type' => 'tenantType''tenant_name' => 'tenantName''created_date_utc' => 'createdDateUtc''updated_date_utc' => 'updatedDateUtc'
     ];
 
     /**
@@ -122,13 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'id' => 'setId',
-        'tenant_id' => 'setTenantId',
-        'auth_event_id' => 'setAuthEventId',
-        'tenant_type' => 'setTenantType',
-        'tenant_name' => 'setTenantName',
-        'created_date_utc' => 'setCreatedDateUtc',
-        'updated_date_utc' => 'setUpdatedDateUtc'
+        'id' => 'setId''tenant_id' => 'setTenantId''auth_event_id' => 'setAuthEventId''tenant_type' => 'setTenantType''tenant_name' => 'setTenantName''created_date_utc' => 'setCreatedDateUtc''updated_date_utc' => 'setUpdatedDateUtc'
     ];
 
     /**
@@ -137,13 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'id' => 'getId',
-        'tenant_id' => 'getTenantId',
-        'auth_event_id' => 'getAuthEventId',
-        'tenant_type' => 'getTenantType',
-        'tenant_name' => 'getTenantName',
-        'created_date_utc' => 'getCreatedDateUtc',
-        'updated_date_utc' => 'getUpdatedDateUtc'
+        'id' => 'getId''tenant_id' => 'getTenantId''auth_event_id' => 'getAuthEventId''tenant_type' => 'getTenantType''tenant_name' => 'getTenantName''created_date_utc' => 'getCreatedDateUtc''updated_date_utc' => 'getUpdatedDateUtc'
     ];
 
     /**
@@ -434,6 +406,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -446,6 +419,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -459,6 +433,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -475,6 +450,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Identity/ModelInterface.php b/lib/Models/Identity/ModelInterface.php
index 65e1856b..dbb378c9 100644
--- a/lib/Models/Identity/ModelInterface.php
+++ b/lib/Models/Identity/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Identity/RefreshToken.php b/lib/Models/Identity/RefreshToken.php
index 863bb725..b3c7ba18 100644
--- a/lib/Models/Identity/RefreshToken.php
+++ b/lib/Models/Identity/RefreshToken.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\IdentityObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * RefreshToken Class Doc Comment
  *
@@ -56,10 +58,7 @@ class RefreshToken implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'grant_type' => 'string',
-        'refresh_token' => 'string',
-        'client_id' => 'string',
-        'client_secret' => 'string'
+        'grant_type' => 'string''refresh_token' => 'string''client_id' => 'string''client_secret' => 'string'
     ];
 
     /**
@@ -68,10 +67,7 @@ class RefreshToken implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'grant_type' => null,
-        'refresh_token' => null,
-        'client_id' => null,
-        'client_secret' => null
+        'grant_type' => null'refresh_token' => null'client_id' => null'client_secret' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'grant_type' => 'grant_type',
-        'refresh_token' => 'refresh_token',
-        'client_id' => 'client_id',
-        'client_secret' => 'client_secret'
+        'grant_type' => 'grant_type''refresh_token' => 'refresh_token''client_id' => 'client_id''client_secret' => 'client_secret'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'grant_type' => 'setGrantType',
-        'refresh_token' => 'setRefreshToken',
-        'client_id' => 'setClientId',
-        'client_secret' => 'setClientSecret'
+        'grant_type' => 'setGrantType''refresh_token' => 'setRefreshToken''client_id' => 'setClientId''client_secret' => 'setClientSecret'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'grant_type' => 'getGrantType',
-        'refresh_token' => 'getRefreshToken',
-        'client_id' => 'getClientId',
-        'client_secret' => 'getClientSecret'
+        'grant_type' => 'getGrantType''refresh_token' => 'getRefreshToken''client_id' => 'getClientId''client_secret' => 'getClientSecret'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setClientSecret($client_secret)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/APIException.php b/lib/Models/PayrollAu/APIException.php
index f7d9743d..b3239807 100644
--- a/lib/Models/PayrollAu/APIException.php
+++ b/lib/Models/PayrollAu/APIException.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * APIException Class Doc Comment
  *
@@ -57,9 +59,7 @@ class APIException implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'error_number' => 'float',
-        'type' => 'string',
-        'message' => 'string'
+        'error_number' => 'float''type' => 'string''message' => 'string'
     ];
 
     /**
@@ -68,9 +68,7 @@ class APIException implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'error_number' => 'integer',
-        'type' => null,
-        'message' => null
+        'error_number' => 'integer''type' => null'message' => null
     ];
 
     /**
@@ -100,9 +98,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'error_number' => 'ErrorNumber',
-        'type' => 'Type',
-        'message' => 'Message'
+        'error_number' => 'ErrorNumber''type' => 'Type''message' => 'Message'
     ];
 
     /**
@@ -111,9 +107,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'error_number' => 'setErrorNumber',
-        'type' => 'setType',
-        'message' => 'setMessage'
+        'error_number' => 'setErrorNumber''type' => 'setType''message' => 'setMessage'
     ];
 
     /**
@@ -122,9 +116,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'error_number' => 'getErrorNumber',
-        'type' => 'getType',
-        'message' => 'getMessage'
+        'error_number' => 'getErrorNumber''type' => 'getType''message' => 'getMessage'
     ];
 
     /**
@@ -303,6 +295,7 @@ public function setMessage($message)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -315,6 +308,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -328,6 +322,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -344,6 +339,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/Account.php b/lib/Models/PayrollAu/Account.php
index c5126dc1..5f265ea4 100644
--- a/lib/Models/PayrollAu/Account.php
+++ b/lib/Models/PayrollAu/Account.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Account Class Doc Comment
  *
@@ -56,10 +58,7 @@ class Account implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_id' => 'string',
-        'type' => '\XeroAPI\XeroPHP\Models\PayrollAu\AccountType',
-        'code' => 'string',
-        'name' => 'string'
+        'account_id' => 'string''type' => '\XeroAPI\XeroPHP\Models\PayrollAu\AccountType''code' => 'string''name' => 'string'
     ];
 
     /**
@@ -68,10 +67,7 @@ class Account implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_id' => 'uuid',
-        'type' => null,
-        'code' => null,
-        'name' => null
+        'account_id' => 'uuid''type' => null'code' => null'name' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_id' => 'AccountID',
-        'type' => 'Type',
-        'code' => 'Code',
-        'name' => 'Name'
+        'account_id' => 'AccountID''type' => 'Type''code' => 'Code''name' => 'Name'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_id' => 'setAccountId',
-        'type' => 'setType',
-        'code' => 'setCode',
-        'name' => 'setName'
+        'account_id' => 'setAccountId''type' => 'setType''code' => 'setCode''name' => 'setName'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_id' => 'getAccountId',
-        'type' => 'getType',
-        'code' => 'getCode',
-        'name' => 'getName'
+        'account_id' => 'getAccountId''type' => 'getType''code' => 'getCode''name' => 'getName'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setName($name)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/AccountType.php b/lib/Models/PayrollAu/AccountType.php
index fff01440..8eb3de20 100644
--- a/lib/Models/PayrollAu/AccountType.php
+++ b/lib/Models/PayrollAu/AccountType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollAu;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * AccountType Class Doc Comment
  *
diff --git a/lib/Models/PayrollAu/AllowanceCategory.php b/lib/Models/PayrollAu/AllowanceCategory.php
index 8c27972d..ccd19895 100644
--- a/lib/Models/PayrollAu/AllowanceCategory.php
+++ b/lib/Models/PayrollAu/AllowanceCategory.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollAu;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * AllowanceCategory Class Doc Comment
  *
diff --git a/lib/Models/PayrollAu/AllowanceType.php b/lib/Models/PayrollAu/AllowanceType.php
index fbec08a5..458aa1be 100644
--- a/lib/Models/PayrollAu/AllowanceType.php
+++ b/lib/Models/PayrollAu/AllowanceType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollAu;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * AllowanceType Class Doc Comment
  *
diff --git a/lib/Models/PayrollAu/BankAccount.php b/lib/Models/PayrollAu/BankAccount.php
index fa02583d..976c7ebd 100644
--- a/lib/Models/PayrollAu/BankAccount.php
+++ b/lib/Models/PayrollAu/BankAccount.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * BankAccount Class Doc Comment
  *
@@ -56,12 +58,7 @@ class BankAccount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'statement_text' => 'string',
-        'account_name' => 'string',
-        'bsb' => 'string',
-        'account_number' => 'string',
-        'remainder' => 'bool',
-        'amount' => 'double'
+        'statement_text' => 'string''account_name' => 'string''bsb' => 'string''account_number' => 'string''remainder' => 'bool''amount' => 'double'
     ];
 
     /**
@@ -70,12 +67,7 @@ class BankAccount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'statement_text' => null,
-        'account_name' => null,
-        'bsb' => null,
-        'account_number' => null,
-        'remainder' => null,
-        'amount' => 'double'
+        'statement_text' => null'account_name' => null'bsb' => null'account_number' => null'remainder' => null'amount' => 'double'
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'statement_text' => 'StatementText',
-        'account_name' => 'AccountName',
-        'bsb' => 'BSB',
-        'account_number' => 'AccountNumber',
-        'remainder' => 'Remainder',
-        'amount' => 'Amount'
+        'statement_text' => 'StatementText''account_name' => 'AccountName''bsb' => 'BSB''account_number' => 'AccountNumber''remainder' => 'Remainder''amount' => 'Amount'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'statement_text' => 'setStatementText',
-        'account_name' => 'setAccountName',
-        'bsb' => 'setBsb',
-        'account_number' => 'setAccountNumber',
-        'remainder' => 'setRemainder',
-        'amount' => 'setAmount'
+        'statement_text' => 'setStatementText''account_name' => 'setAccountName''bsb' => 'setBsb''account_number' => 'setAccountNumber''remainder' => 'setRemainder''amount' => 'setAmount'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'statement_text' => 'getStatementText',
-        'account_name' => 'getAccountName',
-        'bsb' => 'getBsb',
-        'account_number' => 'getAccountNumber',
-        'remainder' => 'getRemainder',
-        'amount' => 'getAmount'
+        'statement_text' => 'getStatementText''account_name' => 'getAccountName''bsb' => 'getBsb''account_number' => 'getAccountNumber''remainder' => 'getRemainder''amount' => 'getAmount'
     ];
 
     /**
@@ -401,6 +378,7 @@ public function setAmount($amount)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -413,6 +391,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -426,6 +405,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -442,6 +422,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/CalendarType.php b/lib/Models/PayrollAu/CalendarType.php
index 79c0373b..8dcea85a 100644
--- a/lib/Models/PayrollAu/CalendarType.php
+++ b/lib/Models/PayrollAu/CalendarType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollAu;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * CalendarType Class Doc Comment
  *
diff --git a/lib/Models/PayrollAu/DeductionLine.php b/lib/Models/PayrollAu/DeductionLine.php
index aaaed971..f757e93e 100644
--- a/lib/Models/PayrollAu/DeductionLine.php
+++ b/lib/Models/PayrollAu/DeductionLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * DeductionLine Class Doc Comment
  *
@@ -56,11 +58,7 @@ class DeductionLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'deduction_type_id' => 'string',
-        'calculation_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\DeductionTypeCalculationType',
-        'amount' => 'double',
-        'percentage' => 'double',
-        'number_of_units' => 'double'
+        'deduction_type_id' => 'string''calculation_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\DeductionTypeCalculationType''amount' => 'double''percentage' => 'double''number_of_units' => 'double'
     ];
 
     /**
@@ -69,11 +67,7 @@ class DeductionLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'deduction_type_id' => 'uuid',
-        'calculation_type' => null,
-        'amount' => 'double',
-        'percentage' => 'double',
-        'number_of_units' => 'double'
+        'deduction_type_id' => 'uuid''calculation_type' => null'amount' => 'double''percentage' => 'double''number_of_units' => 'double'
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'deduction_type_id' => 'DeductionTypeID',
-        'calculation_type' => 'CalculationType',
-        'amount' => 'Amount',
-        'percentage' => 'Percentage',
-        'number_of_units' => 'NumberOfUnits'
+        'deduction_type_id' => 'DeductionTypeID''calculation_type' => 'CalculationType''amount' => 'Amount''percentage' => 'Percentage''number_of_units' => 'NumberOfUnits'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'deduction_type_id' => 'setDeductionTypeId',
-        'calculation_type' => 'setCalculationType',
-        'amount' => 'setAmount',
-        'percentage' => 'setPercentage',
-        'number_of_units' => 'setNumberOfUnits'
+        'deduction_type_id' => 'setDeductionTypeId''calculation_type' => 'setCalculationType''amount' => 'setAmount''percentage' => 'setPercentage''number_of_units' => 'setNumberOfUnits'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'deduction_type_id' => 'getDeductionTypeId',
-        'calculation_type' => 'getCalculationType',
-        'amount' => 'getAmount',
-        'percentage' => 'getPercentage',
-        'number_of_units' => 'getNumberOfUnits'
+        'deduction_type_id' => 'getDeductionTypeId''calculation_type' => 'getCalculationType''amount' => 'getAmount''percentage' => 'getPercentage''number_of_units' => 'getNumberOfUnits'
     ];
 
     /**
@@ -371,6 +353,7 @@ public function setNumberOfUnits($number_of_units)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,6 +366,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -396,6 +380,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -412,6 +397,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/DeductionType.php b/lib/Models/PayrollAu/DeductionType.php
index 4d1d868f..63e520e7 100644
--- a/lib/Models/PayrollAu/DeductionType.php
+++ b/lib/Models/PayrollAu/DeductionType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * DeductionType Class Doc Comment
  *
@@ -56,15 +58,7 @@ class DeductionType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string',
-        'account_code' => 'string',
-        'reduces_tax' => 'bool',
-        'reduces_super' => 'bool',
-        'is_exempt_from_w1' => 'bool',
-        'deduction_type_id' => 'string',
-        'updated_date_utc' => 'string',
-        'deduction_category' => 'string',
-        'current_record' => 'bool'
+        'name' => 'string''account_code' => 'string''reduces_tax' => 'bool''reduces_super' => 'bool''is_exempt_from_w1' => 'bool''deduction_type_id' => 'string''updated_date_utc' => 'string''deduction_category' => 'string''current_record' => 'bool'
     ];
 
     /**
@@ -73,15 +67,7 @@ class DeductionType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null,
-        'account_code' => null,
-        'reduces_tax' => null,
-        'reduces_super' => null,
-        'is_exempt_from_w1' => null,
-        'deduction_type_id' => 'uuid',
-        'updated_date_utc' => null,
-        'deduction_category' => null,
-        'current_record' => null
+        'name' => null'account_code' => null'reduces_tax' => null'reduces_super' => null'is_exempt_from_w1' => null'deduction_type_id' => 'uuid''updated_date_utc' => null'deduction_category' => null'current_record' => null
     ];
 
     /**
@@ -111,15 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'Name',
-        'account_code' => 'AccountCode',
-        'reduces_tax' => 'ReducesTax',
-        'reduces_super' => 'ReducesSuper',
-        'is_exempt_from_w1' => 'IsExemptFromW1',
-        'deduction_type_id' => 'DeductionTypeID',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'deduction_category' => 'DeductionCategory',
-        'current_record' => 'CurrentRecord'
+        'name' => 'Name''account_code' => 'AccountCode''reduces_tax' => 'ReducesTax''reduces_super' => 'ReducesSuper''is_exempt_from_w1' => 'IsExemptFromW1''deduction_type_id' => 'DeductionTypeID''updated_date_utc' => 'UpdatedDateUTC''deduction_category' => 'DeductionCategory''current_record' => 'CurrentRecord'
     ];
 
     /**
@@ -128,15 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName',
-        'account_code' => 'setAccountCode',
-        'reduces_tax' => 'setReducesTax',
-        'reduces_super' => 'setReducesSuper',
-        'is_exempt_from_w1' => 'setIsExemptFromW1',
-        'deduction_type_id' => 'setDeductionTypeId',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'deduction_category' => 'setDeductionCategory',
-        'current_record' => 'setCurrentRecord'
+        'name' => 'setName''account_code' => 'setAccountCode''reduces_tax' => 'setReducesTax''reduces_super' => 'setReducesSuper''is_exempt_from_w1' => 'setIsExemptFromW1''deduction_type_id' => 'setDeductionTypeId''updated_date_utc' => 'setUpdatedDateUtc''deduction_category' => 'setDeductionCategory''current_record' => 'setCurrentRecord'
     ];
 
     /**
@@ -145,15 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName',
-        'account_code' => 'getAccountCode',
-        'reduces_tax' => 'getReducesTax',
-        'reduces_super' => 'getReducesSuper',
-        'is_exempt_from_w1' => 'getIsExemptFromW1',
-        'deduction_type_id' => 'getDeductionTypeId',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'deduction_category' => 'getDeductionCategory',
-        'current_record' => 'getCurrentRecord'
+        'name' => 'getName''account_code' => 'getAccountCode''reduces_tax' => 'getReducesTax''reduces_super' => 'getReducesSuper''is_exempt_from_w1' => 'getIsExemptFromW1''deduction_type_id' => 'getDeductionTypeId''updated_date_utc' => 'getUpdatedDateUtc''deduction_category' => 'getDeductionCategory''current_record' => 'getCurrentRecord'
     ];
 
     /**
@@ -549,6 +511,7 @@ public function setCurrentRecord($current_record)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -561,6 +524,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -574,6 +538,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -590,6 +555,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/DeductionTypeCalculationType.php b/lib/Models/PayrollAu/DeductionTypeCalculationType.php
index 372434dc..87c3b287 100644
--- a/lib/Models/PayrollAu/DeductionTypeCalculationType.php
+++ b/lib/Models/PayrollAu/DeductionTypeCalculationType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollAu;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * DeductionTypeCalculationType Class Doc Comment
  *
diff --git a/lib/Models/PayrollAu/EarningsLine.php b/lib/Models/PayrollAu/EarningsLine.php
index a573c775..a78de4fb 100644
--- a/lib/Models/PayrollAu/EarningsLine.php
+++ b/lib/Models/PayrollAu/EarningsLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EarningsLine Class Doc Comment
  *
@@ -56,15 +58,7 @@ class EarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_rate_id' => 'string',
-        'calculation_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsRateCalculationType',
-        'annual_salary' => 'double',
-        'number_of_units_per_week' => 'double',
-        'rate_per_unit' => 'double',
-        'normal_number_of_units' => 'double',
-        'amount' => 'double',
-        'number_of_units' => 'double',
-        'fixed_amount' => 'double'
+        'earnings_rate_id' => 'string''calculation_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsRateCalculationType''annual_salary' => 'double''number_of_units_per_week' => 'double''rate_per_unit' => 'double''normal_number_of_units' => 'double''amount' => 'double''number_of_units' => 'double''fixed_amount' => 'double'
     ];
 
     /**
@@ -73,15 +67,7 @@ class EarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_rate_id' => 'uuid',
-        'calculation_type' => null,
-        'annual_salary' => 'double',
-        'number_of_units_per_week' => 'double',
-        'rate_per_unit' => 'double',
-        'normal_number_of_units' => 'double',
-        'amount' => 'double',
-        'number_of_units' => 'double',
-        'fixed_amount' => 'double'
+        'earnings_rate_id' => 'uuid''calculation_type' => null'annual_salary' => 'double''number_of_units_per_week' => 'double''rate_per_unit' => 'double''normal_number_of_units' => 'double''amount' => 'double''number_of_units' => 'double''fixed_amount' => 'double'
     ];
 
     /**
@@ -111,15 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_rate_id' => 'EarningsRateID',
-        'calculation_type' => 'CalculationType',
-        'annual_salary' => 'AnnualSalary',
-        'number_of_units_per_week' => 'NumberOfUnitsPerWeek',
-        'rate_per_unit' => 'RatePerUnit',
-        'normal_number_of_units' => 'NormalNumberOfUnits',
-        'amount' => 'Amount',
-        'number_of_units' => 'NumberOfUnits',
-        'fixed_amount' => 'FixedAmount'
+        'earnings_rate_id' => 'EarningsRateID''calculation_type' => 'CalculationType''annual_salary' => 'AnnualSalary''number_of_units_per_week' => 'NumberOfUnitsPerWeek''rate_per_unit' => 'RatePerUnit''normal_number_of_units' => 'NormalNumberOfUnits''amount' => 'Amount''number_of_units' => 'NumberOfUnits''fixed_amount' => 'FixedAmount'
     ];
 
     /**
@@ -128,15 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_rate_id' => 'setEarningsRateId',
-        'calculation_type' => 'setCalculationType',
-        'annual_salary' => 'setAnnualSalary',
-        'number_of_units_per_week' => 'setNumberOfUnitsPerWeek',
-        'rate_per_unit' => 'setRatePerUnit',
-        'normal_number_of_units' => 'setNormalNumberOfUnits',
-        'amount' => 'setAmount',
-        'number_of_units' => 'setNumberOfUnits',
-        'fixed_amount' => 'setFixedAmount'
+        'earnings_rate_id' => 'setEarningsRateId''calculation_type' => 'setCalculationType''annual_salary' => 'setAnnualSalary''number_of_units_per_week' => 'setNumberOfUnitsPerWeek''rate_per_unit' => 'setRatePerUnit''normal_number_of_units' => 'setNormalNumberOfUnits''amount' => 'setAmount''number_of_units' => 'setNumberOfUnits''fixed_amount' => 'setFixedAmount'
     ];
 
     /**
@@ -145,15 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_rate_id' => 'getEarningsRateId',
-        'calculation_type' => 'getCalculationType',
-        'annual_salary' => 'getAnnualSalary',
-        'number_of_units_per_week' => 'getNumberOfUnitsPerWeek',
-        'rate_per_unit' => 'getRatePerUnit',
-        'normal_number_of_units' => 'getNormalNumberOfUnits',
-        'amount' => 'getAmount',
-        'number_of_units' => 'getNumberOfUnits',
-        'fixed_amount' => 'getFixedAmount'
+        'earnings_rate_id' => 'getEarningsRateId''calculation_type' => 'getCalculationType''annual_salary' => 'getAnnualSalary''number_of_units_per_week' => 'getNumberOfUnitsPerWeek''rate_per_unit' => 'getRatePerUnit''normal_number_of_units' => 'getNormalNumberOfUnits''amount' => 'getAmount''number_of_units' => 'getNumberOfUnits''fixed_amount' => 'getFixedAmount'
     ];
 
     /**
@@ -503,6 +465,7 @@ public function setFixedAmount($fixed_amount)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -515,6 +478,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -528,6 +492,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -544,6 +509,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/EarningsRate.php b/lib/Models/PayrollAu/EarningsRate.php
index f45817b6..361b1dfd 100644
--- a/lib/Models/PayrollAu/EarningsRate.php
+++ b/lib/Models/PayrollAu/EarningsRate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EarningsRate Class Doc Comment
  *
@@ -56,24 +58,7 @@ class EarningsRate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string',
-        'account_code' => 'string',
-        'type_of_units' => 'string',
-        'is_exempt_from_tax' => 'bool',
-        'is_exempt_from_super' => 'bool',
-        'is_reportable_as_w1' => 'bool',
-        'earnings_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsType',
-        'earnings_rate_id' => 'string',
-        'rate_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\RateType',
-        'rate_per_unit' => 'string',
-        'multiplier' => 'double',
-        'accrue_leave' => 'bool',
-        'amount' => 'double',
-        'employment_termination_payment_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\EmploymentTerminationPaymentType',
-        'updated_date_utc' => 'string',
-        'current_record' => 'bool',
-        'allowance_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\AllowanceType',
-        'allowance_category' => '\XeroAPI\XeroPHP\Models\PayrollAu\AllowanceCategory'
+        'name' => 'string''account_code' => 'string''type_of_units' => 'string''is_exempt_from_tax' => 'bool''is_exempt_from_super' => 'bool''is_reportable_as_w1' => 'bool''earnings_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsType''earnings_rate_id' => 'string''rate_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\RateType''rate_per_unit' => 'string''multiplier' => 'double''accrue_leave' => 'bool''amount' => 'double''employment_termination_payment_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\EmploymentTerminationPaymentType''updated_date_utc' => 'string''current_record' => 'bool''allowance_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\AllowanceType''allowance_category' => '\XeroAPI\XeroPHP\Models\PayrollAu\AllowanceCategory'
     ];
 
     /**
@@ -82,24 +67,7 @@ class EarningsRate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null,
-        'account_code' => null,
-        'type_of_units' => null,
-        'is_exempt_from_tax' => null,
-        'is_exempt_from_super' => null,
-        'is_reportable_as_w1' => null,
-        'earnings_type' => null,
-        'earnings_rate_id' => 'uuid',
-        'rate_type' => null,
-        'rate_per_unit' => null,
-        'multiplier' => 'double',
-        'accrue_leave' => null,
-        'amount' => 'double',
-        'employment_termination_payment_type' => null,
-        'updated_date_utc' => null,
-        'current_record' => null,
-        'allowance_type' => null,
-        'allowance_category' => null
+        'name' => null'account_code' => null'type_of_units' => null'is_exempt_from_tax' => null'is_exempt_from_super' => null'is_reportable_as_w1' => null'earnings_type' => null'earnings_rate_id' => 'uuid''rate_type' => null'rate_per_unit' => null'multiplier' => 'double''accrue_leave' => null'amount' => 'double''employment_termination_payment_type' => null'updated_date_utc' => null'current_record' => null'allowance_type' => null'allowance_category' => null
     ];
 
     /**
@@ -129,24 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'Name',
-        'account_code' => 'AccountCode',
-        'type_of_units' => 'TypeOfUnits',
-        'is_exempt_from_tax' => 'IsExemptFromTax',
-        'is_exempt_from_super' => 'IsExemptFromSuper',
-        'is_reportable_as_w1' => 'IsReportableAsW1',
-        'earnings_type' => 'EarningsType',
-        'earnings_rate_id' => 'EarningsRateID',
-        'rate_type' => 'RateType',
-        'rate_per_unit' => 'RatePerUnit',
-        'multiplier' => 'Multiplier',
-        'accrue_leave' => 'AccrueLeave',
-        'amount' => 'Amount',
-        'employment_termination_payment_type' => 'EmploymentTerminationPaymentType',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'current_record' => 'CurrentRecord',
-        'allowance_type' => 'AllowanceType',
-        'allowance_category' => 'AllowanceCategory'
+        'name' => 'Name''account_code' => 'AccountCode''type_of_units' => 'TypeOfUnits''is_exempt_from_tax' => 'IsExemptFromTax''is_exempt_from_super' => 'IsExemptFromSuper''is_reportable_as_w1' => 'IsReportableAsW1''earnings_type' => 'EarningsType''earnings_rate_id' => 'EarningsRateID''rate_type' => 'RateType''rate_per_unit' => 'RatePerUnit''multiplier' => 'Multiplier''accrue_leave' => 'AccrueLeave''amount' => 'Amount''employment_termination_payment_type' => 'EmploymentTerminationPaymentType''updated_date_utc' => 'UpdatedDateUTC''current_record' => 'CurrentRecord''allowance_type' => 'AllowanceType''allowance_category' => 'AllowanceCategory'
     ];
 
     /**
@@ -155,24 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName',
-        'account_code' => 'setAccountCode',
-        'type_of_units' => 'setTypeOfUnits',
-        'is_exempt_from_tax' => 'setIsExemptFromTax',
-        'is_exempt_from_super' => 'setIsExemptFromSuper',
-        'is_reportable_as_w1' => 'setIsReportableAsW1',
-        'earnings_type' => 'setEarningsType',
-        'earnings_rate_id' => 'setEarningsRateId',
-        'rate_type' => 'setRateType',
-        'rate_per_unit' => 'setRatePerUnit',
-        'multiplier' => 'setMultiplier',
-        'accrue_leave' => 'setAccrueLeave',
-        'amount' => 'setAmount',
-        'employment_termination_payment_type' => 'setEmploymentTerminationPaymentType',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'current_record' => 'setCurrentRecord',
-        'allowance_type' => 'setAllowanceType',
-        'allowance_category' => 'setAllowanceCategory'
+        'name' => 'setName''account_code' => 'setAccountCode''type_of_units' => 'setTypeOfUnits''is_exempt_from_tax' => 'setIsExemptFromTax''is_exempt_from_super' => 'setIsExemptFromSuper''is_reportable_as_w1' => 'setIsReportableAsW1''earnings_type' => 'setEarningsType''earnings_rate_id' => 'setEarningsRateId''rate_type' => 'setRateType''rate_per_unit' => 'setRatePerUnit''multiplier' => 'setMultiplier''accrue_leave' => 'setAccrueLeave''amount' => 'setAmount''employment_termination_payment_type' => 'setEmploymentTerminationPaymentType''updated_date_utc' => 'setUpdatedDateUtc''current_record' => 'setCurrentRecord''allowance_type' => 'setAllowanceType''allowance_category' => 'setAllowanceCategory'
     ];
 
     /**
@@ -181,24 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName',
-        'account_code' => 'getAccountCode',
-        'type_of_units' => 'getTypeOfUnits',
-        'is_exempt_from_tax' => 'getIsExemptFromTax',
-        'is_exempt_from_super' => 'getIsExemptFromSuper',
-        'is_reportable_as_w1' => 'getIsReportableAsW1',
-        'earnings_type' => 'getEarningsType',
-        'earnings_rate_id' => 'getEarningsRateId',
-        'rate_type' => 'getRateType',
-        'rate_per_unit' => 'getRatePerUnit',
-        'multiplier' => 'getMultiplier',
-        'accrue_leave' => 'getAccrueLeave',
-        'amount' => 'getAmount',
-        'employment_termination_payment_type' => 'getEmploymentTerminationPaymentType',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'current_record' => 'getCurrentRecord',
-        'allowance_type' => 'getAllowanceType',
-        'allowance_category' => 'getAllowanceCategory'
+        'name' => 'getName''account_code' => 'getAccountCode''type_of_units' => 'getTypeOfUnits''is_exempt_from_tax' => 'getIsExemptFromTax''is_exempt_from_super' => 'getIsExemptFromSuper''is_reportable_as_w1' => 'getIsReportableAsW1''earnings_type' => 'getEarningsType''earnings_rate_id' => 'getEarningsRateId''rate_type' => 'getRateType''rate_per_unit' => 'getRatePerUnit''multiplier' => 'getMultiplier''accrue_leave' => 'getAccrueLeave''amount' => 'getAmount''employment_termination_payment_type' => 'getEmploymentTerminationPaymentType''updated_date_utc' => 'getUpdatedDateUtc''current_record' => 'getCurrentRecord''allowance_type' => 'getAllowanceType''allowance_category' => 'getAllowanceCategory'
     ];
 
     /**
@@ -820,6 +737,7 @@ public function setAllowanceCategory($allowance_category)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -832,6 +750,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -845,6 +764,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -861,6 +781,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/EarningsRateCalculationType.php b/lib/Models/PayrollAu/EarningsRateCalculationType.php
index 66b24e38..ff183b19 100644
--- a/lib/Models/PayrollAu/EarningsRateCalculationType.php
+++ b/lib/Models/PayrollAu/EarningsRateCalculationType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollAu;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EarningsRateCalculationType Class Doc Comment
  *
diff --git a/lib/Models/PayrollAu/EarningsType.php b/lib/Models/PayrollAu/EarningsType.php
index e8e28502..b31a884f 100644
--- a/lib/Models/PayrollAu/EarningsType.php
+++ b/lib/Models/PayrollAu/EarningsType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollAu;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EarningsType Class Doc Comment
  *
diff --git a/lib/Models/PayrollAu/Employee.php b/lib/Models/PayrollAu/Employee.php
index 7b24d0a4..481630db 100644
--- a/lib/Models/PayrollAu/Employee.php
+++ b/lib/Models/PayrollAu/Employee.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Employee Class Doc Comment
  *
@@ -56,38 +58,7 @@ class Employee implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'first_name' => 'string',
-        'last_name' => 'string',
-        'date_of_birth' => 'string',
-        'home_address' => '\XeroAPI\XeroPHP\Models\PayrollAu\HomeAddress',
-        'start_date' => 'string',
-        'title' => 'string',
-        'middle_names' => 'string',
-        'email' => 'string',
-        'gender' => 'string',
-        'phone' => 'string',
-        'mobile' => 'string',
-        'twitter_user_name' => 'string',
-        'is_authorised_to_approve_leave' => 'bool',
-        'is_authorised_to_approve_timesheets' => 'bool',
-        'job_title' => 'string',
-        'classification' => 'string',
-        'ordinary_earnings_rate_id' => 'string',
-        'payroll_calendar_id' => 'string',
-        'employee_group_name' => 'string',
-        'employee_id' => 'string',
-        'termination_date' => 'string',
-        'termination_reason' => 'string',
-        'bank_accounts' => '\XeroAPI\XeroPHP\Models\PayrollAu\BankAccount[]',
-        'pay_template' => '\XeroAPI\XeroPHP\Models\PayrollAu\PayTemplate',
-        'opening_balances' => '\XeroAPI\XeroPHP\Models\PayrollAu\OpeningBalances',
-        'tax_declaration' => '\XeroAPI\XeroPHP\Models\PayrollAu\TaxDeclaration',
-        'leave_balances' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveBalance[]',
-        'leave_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveLine[]',
-        'super_memberships' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperMembership[]',
-        'status' => '\XeroAPI\XeroPHP\Models\PayrollAu\EmployeeStatus',
-        'updated_date_utc' => 'string',
-        'validation_errors' => '\XeroAPI\XeroPHP\Models\PayrollAu\ValidationError[]'
+        'first_name' => 'string''last_name' => 'string''date_of_birth' => 'string''home_address' => '\XeroAPI\XeroPHP\Models\PayrollAu\HomeAddress''start_date' => 'string''title' => 'string''middle_names' => 'string''email' => 'string''gender' => 'string''phone' => 'string''mobile' => 'string''twitter_user_name' => 'string''is_authorised_to_approve_leave' => 'bool''is_authorised_to_approve_timesheets' => 'bool''job_title' => 'string''classification' => 'string''ordinary_earnings_rate_id' => 'string''payroll_calendar_id' => 'string''employee_group_name' => 'string''employee_id' => 'string''termination_date' => 'string''termination_reason' => 'string''bank_accounts' => '\XeroAPI\XeroPHP\Models\PayrollAu\BankAccount[]''pay_template' => '\XeroAPI\XeroPHP\Models\PayrollAu\PayTemplate''opening_balances' => '\XeroAPI\XeroPHP\Models\PayrollAu\OpeningBalances''tax_declaration' => '\XeroAPI\XeroPHP\Models\PayrollAu\TaxDeclaration''leave_balances' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveBalance[]''leave_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveLine[]''super_memberships' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperMembership[]''status' => '\XeroAPI\XeroPHP\Models\PayrollAu\EmployeeStatus''updated_date_utc' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\PayrollAu\ValidationError[]'
     ];
 
     /**
@@ -96,38 +67,7 @@ class Employee implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'first_name' => null,
-        'last_name' => null,
-        'date_of_birth' => null,
-        'home_address' => null,
-        'start_date' => null,
-        'title' => null,
-        'middle_names' => null,
-        'email' => null,
-        'gender' => null,
-        'phone' => null,
-        'mobile' => null,
-        'twitter_user_name' => null,
-        'is_authorised_to_approve_leave' => null,
-        'is_authorised_to_approve_timesheets' => null,
-        'job_title' => null,
-        'classification' => null,
-        'ordinary_earnings_rate_id' => 'uuid',
-        'payroll_calendar_id' => 'uuid',
-        'employee_group_name' => null,
-        'employee_id' => 'uuid',
-        'termination_date' => null,
-        'termination_reason' => null,
-        'bank_accounts' => null,
-        'pay_template' => null,
-        'opening_balances' => null,
-        'tax_declaration' => null,
-        'leave_balances' => null,
-        'leave_lines' => null,
-        'super_memberships' => null,
-        'status' => null,
-        'updated_date_utc' => null,
-        'validation_errors' => null
+        'first_name' => null'last_name' => null'date_of_birth' => null'home_address' => null'start_date' => null'title' => null'middle_names' => null'email' => null'gender' => null'phone' => null'mobile' => null'twitter_user_name' => null'is_authorised_to_approve_leave' => null'is_authorised_to_approve_timesheets' => null'job_title' => null'classification' => null'ordinary_earnings_rate_id' => 'uuid''payroll_calendar_id' => 'uuid''employee_group_name' => null'employee_id' => 'uuid''termination_date' => null'termination_reason' => null'bank_accounts' => null'pay_template' => null'opening_balances' => null'tax_declaration' => null'leave_balances' => null'leave_lines' => null'super_memberships' => null'status' => null'updated_date_utc' => null'validation_errors' => null
     ];
 
     /**
@@ -157,38 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'first_name' => 'FirstName',
-        'last_name' => 'LastName',
-        'date_of_birth' => 'DateOfBirth',
-        'home_address' => 'HomeAddress',
-        'start_date' => 'StartDate',
-        'title' => 'Title',
-        'middle_names' => 'MiddleNames',
-        'email' => 'Email',
-        'gender' => 'Gender',
-        'phone' => 'Phone',
-        'mobile' => 'Mobile',
-        'twitter_user_name' => 'TwitterUserName',
-        'is_authorised_to_approve_leave' => 'IsAuthorisedToApproveLeave',
-        'is_authorised_to_approve_timesheets' => 'IsAuthorisedToApproveTimesheets',
-        'job_title' => 'JobTitle',
-        'classification' => 'Classification',
-        'ordinary_earnings_rate_id' => 'OrdinaryEarningsRateID',
-        'payroll_calendar_id' => 'PayrollCalendarID',
-        'employee_group_name' => 'EmployeeGroupName',
-        'employee_id' => 'EmployeeID',
-        'termination_date' => 'TerminationDate',
-        'termination_reason' => 'TerminationReason',
-        'bank_accounts' => 'BankAccounts',
-        'pay_template' => 'PayTemplate',
-        'opening_balances' => 'OpeningBalances',
-        'tax_declaration' => 'TaxDeclaration',
-        'leave_balances' => 'LeaveBalances',
-        'leave_lines' => 'LeaveLines',
-        'super_memberships' => 'SuperMemberships',
-        'status' => 'Status',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'validation_errors' => 'ValidationErrors'
+        'first_name' => 'FirstName''last_name' => 'LastName''date_of_birth' => 'DateOfBirth''home_address' => 'HomeAddress''start_date' => 'StartDate''title' => 'Title''middle_names' => 'MiddleNames''email' => 'Email''gender' => 'Gender''phone' => 'Phone''mobile' => 'Mobile''twitter_user_name' => 'TwitterUserName''is_authorised_to_approve_leave' => 'IsAuthorisedToApproveLeave''is_authorised_to_approve_timesheets' => 'IsAuthorisedToApproveTimesheets''job_title' => 'JobTitle''classification' => 'Classification''ordinary_earnings_rate_id' => 'OrdinaryEarningsRateID''payroll_calendar_id' => 'PayrollCalendarID''employee_group_name' => 'EmployeeGroupName''employee_id' => 'EmployeeID''termination_date' => 'TerminationDate''termination_reason' => 'TerminationReason''bank_accounts' => 'BankAccounts''pay_template' => 'PayTemplate''opening_balances' => 'OpeningBalances''tax_declaration' => 'TaxDeclaration''leave_balances' => 'LeaveBalances''leave_lines' => 'LeaveLines''super_memberships' => 'SuperMemberships''status' => 'Status''updated_date_utc' => 'UpdatedDateUTC''validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -197,38 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'first_name' => 'setFirstName',
-        'last_name' => 'setLastName',
-        'date_of_birth' => 'setDateOfBirth',
-        'home_address' => 'setHomeAddress',
-        'start_date' => 'setStartDate',
-        'title' => 'setTitle',
-        'middle_names' => 'setMiddleNames',
-        'email' => 'setEmail',
-        'gender' => 'setGender',
-        'phone' => 'setPhone',
-        'mobile' => 'setMobile',
-        'twitter_user_name' => 'setTwitterUserName',
-        'is_authorised_to_approve_leave' => 'setIsAuthorisedToApproveLeave',
-        'is_authorised_to_approve_timesheets' => 'setIsAuthorisedToApproveTimesheets',
-        'job_title' => 'setJobTitle',
-        'classification' => 'setClassification',
-        'ordinary_earnings_rate_id' => 'setOrdinaryEarningsRateId',
-        'payroll_calendar_id' => 'setPayrollCalendarId',
-        'employee_group_name' => 'setEmployeeGroupName',
-        'employee_id' => 'setEmployeeId',
-        'termination_date' => 'setTerminationDate',
-        'termination_reason' => 'setTerminationReason',
-        'bank_accounts' => 'setBankAccounts',
-        'pay_template' => 'setPayTemplate',
-        'opening_balances' => 'setOpeningBalances',
-        'tax_declaration' => 'setTaxDeclaration',
-        'leave_balances' => 'setLeaveBalances',
-        'leave_lines' => 'setLeaveLines',
-        'super_memberships' => 'setSuperMemberships',
-        'status' => 'setStatus',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'validation_errors' => 'setValidationErrors'
+        'first_name' => 'setFirstName''last_name' => 'setLastName''date_of_birth' => 'setDateOfBirth''home_address' => 'setHomeAddress''start_date' => 'setStartDate''title' => 'setTitle''middle_names' => 'setMiddleNames''email' => 'setEmail''gender' => 'setGender''phone' => 'setPhone''mobile' => 'setMobile''twitter_user_name' => 'setTwitterUserName''is_authorised_to_approve_leave' => 'setIsAuthorisedToApproveLeave''is_authorised_to_approve_timesheets' => 'setIsAuthorisedToApproveTimesheets''job_title' => 'setJobTitle''classification' => 'setClassification''ordinary_earnings_rate_id' => 'setOrdinaryEarningsRateId''payroll_calendar_id' => 'setPayrollCalendarId''employee_group_name' => 'setEmployeeGroupName''employee_id' => 'setEmployeeId''termination_date' => 'setTerminationDate''termination_reason' => 'setTerminationReason''bank_accounts' => 'setBankAccounts''pay_template' => 'setPayTemplate''opening_balances' => 'setOpeningBalances''tax_declaration' => 'setTaxDeclaration''leave_balances' => 'setLeaveBalances''leave_lines' => 'setLeaveLines''super_memberships' => 'setSuperMemberships''status' => 'setStatus''updated_date_utc' => 'setUpdatedDateUtc''validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -237,38 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'first_name' => 'getFirstName',
-        'last_name' => 'getLastName',
-        'date_of_birth' => 'getDateOfBirth',
-        'home_address' => 'getHomeAddress',
-        'start_date' => 'getStartDate',
-        'title' => 'getTitle',
-        'middle_names' => 'getMiddleNames',
-        'email' => 'getEmail',
-        'gender' => 'getGender',
-        'phone' => 'getPhone',
-        'mobile' => 'getMobile',
-        'twitter_user_name' => 'getTwitterUserName',
-        'is_authorised_to_approve_leave' => 'getIsAuthorisedToApproveLeave',
-        'is_authorised_to_approve_timesheets' => 'getIsAuthorisedToApproveTimesheets',
-        'job_title' => 'getJobTitle',
-        'classification' => 'getClassification',
-        'ordinary_earnings_rate_id' => 'getOrdinaryEarningsRateId',
-        'payroll_calendar_id' => 'getPayrollCalendarId',
-        'employee_group_name' => 'getEmployeeGroupName',
-        'employee_id' => 'getEmployeeId',
-        'termination_date' => 'getTerminationDate',
-        'termination_reason' => 'getTerminationReason',
-        'bank_accounts' => 'getBankAccounts',
-        'pay_template' => 'getPayTemplate',
-        'opening_balances' => 'getOpeningBalances',
-        'tax_declaration' => 'getTaxDeclaration',
-        'leave_balances' => 'getLeaveBalances',
-        'leave_lines' => 'getLeaveLines',
-        'super_memberships' => 'getSuperMemberships',
-        'status' => 'getStatus',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'validation_errors' => 'getValidationErrors'
+        'first_name' => 'getFirstName''last_name' => 'getLastName''date_of_birth' => 'getDateOfBirth''home_address' => 'getHomeAddress''start_date' => 'getStartDate''title' => 'getTitle''middle_names' => 'getMiddleNames''email' => 'getEmail''gender' => 'getGender''phone' => 'getPhone''mobile' => 'getMobile''twitter_user_name' => 'getTwitterUserName''is_authorised_to_approve_leave' => 'getIsAuthorisedToApproveLeave''is_authorised_to_approve_timesheets' => 'getIsAuthorisedToApproveTimesheets''job_title' => 'getJobTitle''classification' => 'getClassification''ordinary_earnings_rate_id' => 'getOrdinaryEarningsRateId''payroll_calendar_id' => 'getPayrollCalendarId''employee_group_name' => 'getEmployeeGroupName''employee_id' => 'getEmployeeId''termination_date' => 'getTerminationDate''termination_reason' => 'getTerminationReason''bank_accounts' => 'getBankAccounts''pay_template' => 'getPayTemplate''opening_balances' => 'getOpeningBalances''tax_declaration' => 'getTaxDeclaration''leave_balances' => 'getLeaveBalances''leave_lines' => 'getLeaveLines''super_memberships' => 'getSuperMemberships''status' => 'getStatus''updated_date_utc' => 'getUpdatedDateUtc''validation_errors' => 'getValidationErrors'
     ];
 
     /**
@@ -1431,6 +1278,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1443,6 +1291,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1456,6 +1305,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1472,6 +1322,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/EmployeeStatus.php b/lib/Models/PayrollAu/EmployeeStatus.php
index d8aed5d0..16f7b3f8 100644
--- a/lib/Models/PayrollAu/EmployeeStatus.php
+++ b/lib/Models/PayrollAu/EmployeeStatus.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollAu;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeStatus Class Doc Comment
  *
diff --git a/lib/Models/PayrollAu/Employees.php b/lib/Models/PayrollAu/Employees.php
index 5d48316b..556b5da8 100644
--- a/lib/Models/PayrollAu/Employees.php
+++ b/lib/Models/PayrollAu/Employees.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Employees Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setEmployees($employees)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['employees'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['employees'][$offset]) ? $this->container['employees'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['employees'][$offset]);
diff --git a/lib/Models/PayrollAu/EmploymentBasis.php b/lib/Models/PayrollAu/EmploymentBasis.php
index 8a99bcb0..e40e4bf4 100644
--- a/lib/Models/PayrollAu/EmploymentBasis.php
+++ b/lib/Models/PayrollAu/EmploymentBasis.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollAu;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmploymentBasis Class Doc Comment
  *
diff --git a/lib/Models/PayrollAu/EmploymentTerminationPaymentType.php b/lib/Models/PayrollAu/EmploymentTerminationPaymentType.php
index 07ec8329..4867c9bd 100644
--- a/lib/Models/PayrollAu/EmploymentTerminationPaymentType.php
+++ b/lib/Models/PayrollAu/EmploymentTerminationPaymentType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollAu;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmploymentTerminationPaymentType Class Doc Comment
  *
diff --git a/lib/Models/PayrollAu/EntitlementFinalPayPayoutType.php b/lib/Models/PayrollAu/EntitlementFinalPayPayoutType.php
index d8a49a9e..5caba45f 100644
--- a/lib/Models/PayrollAu/EntitlementFinalPayPayoutType.php
+++ b/lib/Models/PayrollAu/EntitlementFinalPayPayoutType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollAu;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EntitlementFinalPayPayoutType Class Doc Comment
  *
diff --git a/lib/Models/PayrollAu/HomeAddress.php b/lib/Models/PayrollAu/HomeAddress.php
index b18b2dd6..ba16fd50 100644
--- a/lib/Models/PayrollAu/HomeAddress.php
+++ b/lib/Models/PayrollAu/HomeAddress.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * HomeAddress Class Doc Comment
  *
@@ -56,12 +58,7 @@ class HomeAddress implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'address_line1' => 'string',
-        'address_line2' => 'string',
-        'city' => 'string',
-        'region' => '\XeroAPI\XeroPHP\Models\PayrollAu\State',
-        'postal_code' => 'string',
-        'country' => 'string'
+        'address_line1' => 'string''address_line2' => 'string''city' => 'string''region' => '\XeroAPI\XeroPHP\Models\PayrollAu\State''postal_code' => 'string''country' => 'string'
     ];
 
     /**
@@ -70,12 +67,7 @@ class HomeAddress implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'address_line1' => null,
-        'address_line2' => null,
-        'city' => null,
-        'region' => null,
-        'postal_code' => null,
-        'country' => null
+        'address_line1' => null'address_line2' => null'city' => null'region' => null'postal_code' => null'country' => null
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'address_line1' => 'AddressLine1',
-        'address_line2' => 'AddressLine2',
-        'city' => 'City',
-        'region' => 'Region',
-        'postal_code' => 'PostalCode',
-        'country' => 'Country'
+        'address_line1' => 'AddressLine1''address_line2' => 'AddressLine2''city' => 'City''region' => 'Region''postal_code' => 'PostalCode''country' => 'Country'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'address_line1' => 'setAddressLine1',
-        'address_line2' => 'setAddressLine2',
-        'city' => 'setCity',
-        'region' => 'setRegion',
-        'postal_code' => 'setPostalCode',
-        'country' => 'setCountry'
+        'address_line1' => 'setAddressLine1''address_line2' => 'setAddressLine2''city' => 'setCity''region' => 'setRegion''postal_code' => 'setPostalCode''country' => 'setCountry'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'address_line1' => 'getAddressLine1',
-        'address_line2' => 'getAddressLine2',
-        'city' => 'getCity',
-        'region' => 'getRegion',
-        'postal_code' => 'getPostalCode',
-        'country' => 'getCountry'
+        'address_line1' => 'getAddressLine1''address_line2' => 'getAddressLine2''city' => 'getCity''region' => 'getRegion''postal_code' => 'getPostalCode''country' => 'getCountry'
     ];
 
     /**
@@ -404,6 +381,7 @@ public function setCountry($country)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,6 +394,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -429,6 +408,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -445,6 +425,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/LeaveAccrualLine.php b/lib/Models/PayrollAu/LeaveAccrualLine.php
index 79bfbfc9..8e301bde 100644
--- a/lib/Models/PayrollAu/LeaveAccrualLine.php
+++ b/lib/Models/PayrollAu/LeaveAccrualLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LeaveAccrualLine Class Doc Comment
  *
@@ -56,9 +58,7 @@ class LeaveAccrualLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_type_id' => 'string',
-        'number_of_units' => 'double',
-        'auto_calculate' => 'bool'
+        'leave_type_id' => 'string''number_of_units' => 'double''auto_calculate' => 'bool'
     ];
 
     /**
@@ -67,9 +67,7 @@ class LeaveAccrualLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_type_id' => 'uuid',
-        'number_of_units' => 'double',
-        'auto_calculate' => null
+        'leave_type_id' => 'uuid''number_of_units' => 'double''auto_calculate' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_type_id' => 'LeaveTypeID',
-        'number_of_units' => 'NumberOfUnits',
-        'auto_calculate' => 'AutoCalculate'
+        'leave_type_id' => 'LeaveTypeID''number_of_units' => 'NumberOfUnits''auto_calculate' => 'AutoCalculate'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_type_id' => 'setLeaveTypeId',
-        'number_of_units' => 'setNumberOfUnits',
-        'auto_calculate' => 'setAutoCalculate'
+        'leave_type_id' => 'setLeaveTypeId''number_of_units' => 'setNumberOfUnits''auto_calculate' => 'setAutoCalculate'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_type_id' => 'getLeaveTypeId',
-        'number_of_units' => 'getNumberOfUnits',
-        'auto_calculate' => 'getAutoCalculate'
+        'leave_type_id' => 'getLeaveTypeId''number_of_units' => 'getNumberOfUnits''auto_calculate' => 'getAutoCalculate'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setAutoCalculate($auto_calculate)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/LeaveApplication.php b/lib/Models/PayrollAu/LeaveApplication.php
index 7acfc8bc..cf330bd8 100644
--- a/lib/Models/PayrollAu/LeaveApplication.php
+++ b/lib/Models/PayrollAu/LeaveApplication.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LeaveApplication Class Doc Comment
  *
@@ -56,16 +58,7 @@ class LeaveApplication implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_application_id' => 'string',
-        'employee_id' => 'string',
-        'leave_type_id' => 'string',
-        'title' => 'string',
-        'start_date' => 'string',
-        'end_date' => 'string',
-        'description' => 'string',
-        'leave_periods' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeavePeriod[]',
-        'updated_date_utc' => 'string',
-        'validation_errors' => '\XeroAPI\XeroPHP\Models\PayrollAu\ValidationError[]'
+        'leave_application_id' => 'string''employee_id' => 'string''leave_type_id' => 'string''title' => 'string''start_date' => 'string''end_date' => 'string''description' => 'string''leave_periods' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeavePeriod[]''updated_date_utc' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\PayrollAu\ValidationError[]'
     ];
 
     /**
@@ -74,16 +67,7 @@ class LeaveApplication implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_application_id' => 'uuid',
-        'employee_id' => 'uuid',
-        'leave_type_id' => 'uuid',
-        'title' => null,
-        'start_date' => null,
-        'end_date' => null,
-        'description' => null,
-        'leave_periods' => null,
-        'updated_date_utc' => null,
-        'validation_errors' => null
+        'leave_application_id' => 'uuid''employee_id' => 'uuid''leave_type_id' => 'uuid''title' => null'start_date' => null'end_date' => null'description' => null'leave_periods' => null'updated_date_utc' => null'validation_errors' => null
     ];
 
     /**
@@ -113,16 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_application_id' => 'LeaveApplicationID',
-        'employee_id' => 'EmployeeID',
-        'leave_type_id' => 'LeaveTypeID',
-        'title' => 'Title',
-        'start_date' => 'StartDate',
-        'end_date' => 'EndDate',
-        'description' => 'Description',
-        'leave_periods' => 'LeavePeriods',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'validation_errors' => 'ValidationErrors'
+        'leave_application_id' => 'LeaveApplicationID''employee_id' => 'EmployeeID''leave_type_id' => 'LeaveTypeID''title' => 'Title''start_date' => 'StartDate''end_date' => 'EndDate''description' => 'Description''leave_periods' => 'LeavePeriods''updated_date_utc' => 'UpdatedDateUTC''validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -131,16 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_application_id' => 'setLeaveApplicationId',
-        'employee_id' => 'setEmployeeId',
-        'leave_type_id' => 'setLeaveTypeId',
-        'title' => 'setTitle',
-        'start_date' => 'setStartDate',
-        'end_date' => 'setEndDate',
-        'description' => 'setDescription',
-        'leave_periods' => 'setLeavePeriods',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'validation_errors' => 'setValidationErrors'
+        'leave_application_id' => 'setLeaveApplicationId''employee_id' => 'setEmployeeId''leave_type_id' => 'setLeaveTypeId''title' => 'setTitle''start_date' => 'setStartDate''end_date' => 'setEndDate''description' => 'setDescription''leave_periods' => 'setLeavePeriods''updated_date_utc' => 'setUpdatedDateUtc''validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -149,16 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_application_id' => 'getLeaveApplicationId',
-        'employee_id' => 'getEmployeeId',
-        'leave_type_id' => 'getLeaveTypeId',
-        'title' => 'getTitle',
-        'start_date' => 'getStartDate',
-        'end_date' => 'getEndDate',
-        'description' => 'getDescription',
-        'leave_periods' => 'getLeavePeriods',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'validation_errors' => 'getValidationErrors'
+        'leave_application_id' => 'getLeaveApplicationId''employee_id' => 'getEmployeeId''leave_type_id' => 'getLeaveTypeId''title' => 'getTitle''start_date' => 'getStartDate''end_date' => 'getEndDate''description' => 'getDescription''leave_periods' => 'getLeavePeriods''updated_date_utc' => 'getUpdatedDateUtc''validation_errors' => 'getValidationErrors'
     ];
 
     /**
@@ -592,6 +549,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -604,6 +562,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -617,6 +576,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -633,6 +593,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/LeaveApplications.php b/lib/Models/PayrollAu/LeaveApplications.php
index 82b9dad4..5340811c 100644
--- a/lib/Models/PayrollAu/LeaveApplications.php
+++ b/lib/Models/PayrollAu/LeaveApplications.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LeaveApplications Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setLeaveApplications($leave_applications)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['leave_applications'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['leave_applications'][$offset]) ? $this->container['leave_applications'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['leave_applications'][$offset]);
diff --git a/lib/Models/PayrollAu/LeaveBalance.php b/lib/Models/PayrollAu/LeaveBalance.php
index 5e54f709..ef4dd44b 100644
--- a/lib/Models/PayrollAu/LeaveBalance.php
+++ b/lib/Models/PayrollAu/LeaveBalance.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LeaveBalance Class Doc Comment
  *
@@ -56,10 +58,7 @@ class LeaveBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_name' => 'string',
-        'leave_type_id' => 'string',
-        'number_of_units' => 'double',
-        'type_of_units' => 'string'
+        'leave_name' => 'string''leave_type_id' => 'string''number_of_units' => 'double''type_of_units' => 'string'
     ];
 
     /**
@@ -68,10 +67,7 @@ class LeaveBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_name' => null,
-        'leave_type_id' => null,
-        'number_of_units' => 'double',
-        'type_of_units' => null
+        'leave_name' => null'leave_type_id' => null'number_of_units' => 'double''type_of_units' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_name' => 'LeaveName',
-        'leave_type_id' => 'LeaveTypeID',
-        'number_of_units' => 'NumberOfUnits',
-        'type_of_units' => 'TypeOfUnits'
+        'leave_name' => 'LeaveName''leave_type_id' => 'LeaveTypeID''number_of_units' => 'NumberOfUnits''type_of_units' => 'TypeOfUnits'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_name' => 'setLeaveName',
-        'leave_type_id' => 'setLeaveTypeId',
-        'number_of_units' => 'setNumberOfUnits',
-        'type_of_units' => 'setTypeOfUnits'
+        'leave_name' => 'setLeaveName''leave_type_id' => 'setLeaveTypeId''number_of_units' => 'setNumberOfUnits''type_of_units' => 'setTypeOfUnits'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_name' => 'getLeaveName',
-        'leave_type_id' => 'getLeaveTypeId',
-        'number_of_units' => 'getNumberOfUnits',
-        'type_of_units' => 'getTypeOfUnits'
+        'leave_name' => 'getLeaveName''leave_type_id' => 'getLeaveTypeId''number_of_units' => 'getNumberOfUnits''type_of_units' => 'getTypeOfUnits'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setTypeOfUnits($type_of_units)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/LeaveEarningsLine.php b/lib/Models/PayrollAu/LeaveEarningsLine.php
index 6ade41a8..e474d135 100644
--- a/lib/Models/PayrollAu/LeaveEarningsLine.php
+++ b/lib/Models/PayrollAu/LeaveEarningsLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LeaveEarningsLine Class Doc Comment
  *
@@ -56,9 +58,7 @@ class LeaveEarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_rate_id' => 'string',
-        'rate_per_unit' => 'double',
-        'number_of_units' => 'double'
+        'earnings_rate_id' => 'string''rate_per_unit' => 'double''number_of_units' => 'double'
     ];
 
     /**
@@ -67,9 +67,7 @@ class LeaveEarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_rate_id' => 'uuid',
-        'rate_per_unit' => 'double',
-        'number_of_units' => 'double'
+        'earnings_rate_id' => 'uuid''rate_per_unit' => 'double''number_of_units' => 'double'
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_rate_id' => 'EarningsRateID',
-        'rate_per_unit' => 'RatePerUnit',
-        'number_of_units' => 'NumberOfUnits'
+        'earnings_rate_id' => 'EarningsRateID''rate_per_unit' => 'RatePerUnit''number_of_units' => 'NumberOfUnits'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_rate_id' => 'setEarningsRateId',
-        'rate_per_unit' => 'setRatePerUnit',
-        'number_of_units' => 'setNumberOfUnits'
+        'earnings_rate_id' => 'setEarningsRateId''rate_per_unit' => 'setRatePerUnit''number_of_units' => 'setNumberOfUnits'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_rate_id' => 'getEarningsRateId',
-        'rate_per_unit' => 'getRatePerUnit',
-        'number_of_units' => 'getNumberOfUnits'
+        'earnings_rate_id' => 'getEarningsRateId''rate_per_unit' => 'getRatePerUnit''number_of_units' => 'getNumberOfUnits'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setNumberOfUnits($number_of_units)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/LeaveLine.php b/lib/Models/PayrollAu/LeaveLine.php
index 7cc0e9c5..2007e2b6 100644
--- a/lib/Models/PayrollAu/LeaveLine.php
+++ b/lib/Models/PayrollAu/LeaveLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LeaveLine Class Doc Comment
  *
@@ -56,14 +58,7 @@ class LeaveLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_type_id' => 'string',
-        'calculation_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveLineCalculationType',
-        'entitlement_final_pay_payout_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\EntitlementFinalPayPayoutType',
-        'employment_termination_payment_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\EmploymentTerminationPaymentType',
-        'include_superannuation_guarantee_contribution' => 'bool',
-        'number_of_units' => 'double',
-        'annual_number_of_units' => 'double',
-        'full_time_number_of_units_per_period' => 'double'
+        'leave_type_id' => 'string''calculation_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveLineCalculationType''entitlement_final_pay_payout_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\EntitlementFinalPayPayoutType''employment_termination_payment_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\EmploymentTerminationPaymentType''include_superannuation_guarantee_contribution' => 'bool''number_of_units' => 'double''annual_number_of_units' => 'double''full_time_number_of_units_per_period' => 'double'
     ];
 
     /**
@@ -72,14 +67,7 @@ class LeaveLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_type_id' => 'uuid',
-        'calculation_type' => null,
-        'entitlement_final_pay_payout_type' => null,
-        'employment_termination_payment_type' => null,
-        'include_superannuation_guarantee_contribution' => null,
-        'number_of_units' => 'double',
-        'annual_number_of_units' => 'double',
-        'full_time_number_of_units_per_period' => 'double'
+        'leave_type_id' => 'uuid''calculation_type' => null'entitlement_final_pay_payout_type' => null'employment_termination_payment_type' => null'include_superannuation_guarantee_contribution' => null'number_of_units' => 'double''annual_number_of_units' => 'double''full_time_number_of_units_per_period' => 'double'
     ];
 
     /**
@@ -109,14 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_type_id' => 'LeaveTypeID',
-        'calculation_type' => 'CalculationType',
-        'entitlement_final_pay_payout_type' => 'EntitlementFinalPayPayoutType',
-        'employment_termination_payment_type' => 'EmploymentTerminationPaymentType',
-        'include_superannuation_guarantee_contribution' => 'IncludeSuperannuationGuaranteeContribution',
-        'number_of_units' => 'NumberOfUnits',
-        'annual_number_of_units' => 'AnnualNumberOfUnits',
-        'full_time_number_of_units_per_period' => 'FullTimeNumberOfUnitsPerPeriod'
+        'leave_type_id' => 'LeaveTypeID''calculation_type' => 'CalculationType''entitlement_final_pay_payout_type' => 'EntitlementFinalPayPayoutType''employment_termination_payment_type' => 'EmploymentTerminationPaymentType''include_superannuation_guarantee_contribution' => 'IncludeSuperannuationGuaranteeContribution''number_of_units' => 'NumberOfUnits''annual_number_of_units' => 'AnnualNumberOfUnits''full_time_number_of_units_per_period' => 'FullTimeNumberOfUnitsPerPeriod'
     ];
 
     /**
@@ -125,14 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_type_id' => 'setLeaveTypeId',
-        'calculation_type' => 'setCalculationType',
-        'entitlement_final_pay_payout_type' => 'setEntitlementFinalPayPayoutType',
-        'employment_termination_payment_type' => 'setEmploymentTerminationPaymentType',
-        'include_superannuation_guarantee_contribution' => 'setIncludeSuperannuationGuaranteeContribution',
-        'number_of_units' => 'setNumberOfUnits',
-        'annual_number_of_units' => 'setAnnualNumberOfUnits',
-        'full_time_number_of_units_per_period' => 'setFullTimeNumberOfUnitsPerPeriod'
+        'leave_type_id' => 'setLeaveTypeId''calculation_type' => 'setCalculationType''entitlement_final_pay_payout_type' => 'setEntitlementFinalPayPayoutType''employment_termination_payment_type' => 'setEmploymentTerminationPaymentType''include_superannuation_guarantee_contribution' => 'setIncludeSuperannuationGuaranteeContribution''number_of_units' => 'setNumberOfUnits''annual_number_of_units' => 'setAnnualNumberOfUnits''full_time_number_of_units_per_period' => 'setFullTimeNumberOfUnitsPerPeriod'
     ];
 
     /**
@@ -141,14 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_type_id' => 'getLeaveTypeId',
-        'calculation_type' => 'getCalculationType',
-        'entitlement_final_pay_payout_type' => 'getEntitlementFinalPayPayoutType',
-        'employment_termination_payment_type' => 'getEmploymentTerminationPaymentType',
-        'include_superannuation_guarantee_contribution' => 'getIncludeSuperannuationGuaranteeContribution',
-        'number_of_units' => 'getNumberOfUnits',
-        'annual_number_of_units' => 'getAnnualNumberOfUnits',
-        'full_time_number_of_units_per_period' => 'getFullTimeNumberOfUnitsPerPeriod'
+        'leave_type_id' => 'getLeaveTypeId''calculation_type' => 'getCalculationType''entitlement_final_pay_payout_type' => 'getEntitlementFinalPayPayoutType''employment_termination_payment_type' => 'getEmploymentTerminationPaymentType''include_superannuation_guarantee_contribution' => 'getIncludeSuperannuationGuaranteeContribution''number_of_units' => 'getNumberOfUnits''annual_number_of_units' => 'getAnnualNumberOfUnits''full_time_number_of_units_per_period' => 'getFullTimeNumberOfUnitsPerPeriod'
     ];
 
     /**
@@ -467,6 +434,7 @@ public function setFullTimeNumberOfUnitsPerPeriod($full_time_number_of_units_per
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -479,6 +447,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -492,6 +461,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -508,6 +478,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/LeaveLineCalculationType.php b/lib/Models/PayrollAu/LeaveLineCalculationType.php
index 2a9b1afd..47c34853 100644
--- a/lib/Models/PayrollAu/LeaveLineCalculationType.php
+++ b/lib/Models/PayrollAu/LeaveLineCalculationType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollAu;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LeaveLineCalculationType Class Doc Comment
  *
diff --git a/lib/Models/PayrollAu/LeaveLines.php b/lib/Models/PayrollAu/LeaveLines.php
index 0e5084b0..d2a30e09 100644
--- a/lib/Models/PayrollAu/LeaveLines.php
+++ b/lib/Models/PayrollAu/LeaveLines.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LeaveLines Class Doc Comment
  *
@@ -237,6 +239,7 @@ public function setEmployee($employee)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['employee'][$offset]);
@@ -249,6 +252,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['employee'][$offset]) ? $this->container['employee'][$offset] : null;
@@ -262,6 +266,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -278,6 +283,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['employee'][$offset]);
diff --git a/lib/Models/PayrollAu/LeavePeriod.php b/lib/Models/PayrollAu/LeavePeriod.php
index 280fe474..c35d241d 100644
--- a/lib/Models/PayrollAu/LeavePeriod.php
+++ b/lib/Models/PayrollAu/LeavePeriod.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LeavePeriod Class Doc Comment
  *
@@ -56,10 +58,7 @@ class LeavePeriod implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'number_of_units' => 'double',
-        'pay_period_end_date' => 'string',
-        'pay_period_start_date' => 'string',
-        'leave_period_status' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeavePeriodStatus'
+        'number_of_units' => 'double''pay_period_end_date' => 'string''pay_period_start_date' => 'string''leave_period_status' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeavePeriodStatus'
     ];
 
     /**
@@ -68,10 +67,7 @@ class LeavePeriod implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'number_of_units' => 'double',
-        'pay_period_end_date' => null,
-        'pay_period_start_date' => null,
-        'leave_period_status' => null
+        'number_of_units' => 'double''pay_period_end_date' => null'pay_period_start_date' => null'leave_period_status' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'number_of_units' => 'NumberOfUnits',
-        'pay_period_end_date' => 'PayPeriodEndDate',
-        'pay_period_start_date' => 'PayPeriodStartDate',
-        'leave_period_status' => 'LeavePeriodStatus'
+        'number_of_units' => 'NumberOfUnits''pay_period_end_date' => 'PayPeriodEndDate''pay_period_start_date' => 'PayPeriodStartDate''leave_period_status' => 'LeavePeriodStatus'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'number_of_units' => 'setNumberOfUnits',
-        'pay_period_end_date' => 'setPayPeriodEndDate',
-        'pay_period_start_date' => 'setPayPeriodStartDate',
-        'leave_period_status' => 'setLeavePeriodStatus'
+        'number_of_units' => 'setNumberOfUnits''pay_period_end_date' => 'setPayPeriodEndDate''pay_period_start_date' => 'setPayPeriodStartDate''leave_period_status' => 'setLeavePeriodStatus'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'number_of_units' => 'getNumberOfUnits',
-        'pay_period_end_date' => 'getPayPeriodEndDate',
-        'pay_period_start_date' => 'getPayPeriodStartDate',
-        'leave_period_status' => 'getLeavePeriodStatus'
+        'number_of_units' => 'getNumberOfUnits''pay_period_end_date' => 'getPayPeriodEndDate''pay_period_start_date' => 'getPayPeriodStartDate''leave_period_status' => 'getLeavePeriodStatus'
     ];
 
     /**
@@ -387,6 +374,7 @@ public function setLeavePeriodStatus($leave_period_status)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -399,6 +387,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -412,6 +401,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -428,6 +418,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/LeavePeriodStatus.php b/lib/Models/PayrollAu/LeavePeriodStatus.php
index 98380a99..7bb85d07 100644
--- a/lib/Models/PayrollAu/LeavePeriodStatus.php
+++ b/lib/Models/PayrollAu/LeavePeriodStatus.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollAu;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LeavePeriodStatus Class Doc Comment
  *
diff --git a/lib/Models/PayrollAu/LeaveType.php b/lib/Models/PayrollAu/LeaveType.php
index 520375d9..734dd33b 100644
--- a/lib/Models/PayrollAu/LeaveType.php
+++ b/lib/Models/PayrollAu/LeaveType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LeaveType Class Doc Comment
  *
@@ -56,15 +58,7 @@ class LeaveType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string',
-        'type_of_units' => 'string',
-        'leave_type_id' => 'string',
-        'normal_entitlement' => 'double',
-        'leave_loading_rate' => 'double',
-        'updated_date_utc' => 'string',
-        'is_paid_leave' => 'bool',
-        'show_on_payslip' => 'bool',
-        'current_record' => 'bool'
+        'name' => 'string''type_of_units' => 'string''leave_type_id' => 'string''normal_entitlement' => 'double''leave_loading_rate' => 'double''updated_date_utc' => 'string''is_paid_leave' => 'bool''show_on_payslip' => 'bool''current_record' => 'bool'
     ];
 
     /**
@@ -73,15 +67,7 @@ class LeaveType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null,
-        'type_of_units' => null,
-        'leave_type_id' => 'uuid',
-        'normal_entitlement' => 'double',
-        'leave_loading_rate' => 'double',
-        'updated_date_utc' => null,
-        'is_paid_leave' => null,
-        'show_on_payslip' => null,
-        'current_record' => null
+        'name' => null'type_of_units' => null'leave_type_id' => 'uuid''normal_entitlement' => 'double''leave_loading_rate' => 'double''updated_date_utc' => null'is_paid_leave' => null'show_on_payslip' => null'current_record' => null
     ];
 
     /**
@@ -111,15 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'Name',
-        'type_of_units' => 'TypeOfUnits',
-        'leave_type_id' => 'LeaveTypeID',
-        'normal_entitlement' => 'NormalEntitlement',
-        'leave_loading_rate' => 'LeaveLoadingRate',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'is_paid_leave' => 'IsPaidLeave',
-        'show_on_payslip' => 'ShowOnPayslip',
-        'current_record' => 'CurrentRecord'
+        'name' => 'Name''type_of_units' => 'TypeOfUnits''leave_type_id' => 'LeaveTypeID''normal_entitlement' => 'NormalEntitlement''leave_loading_rate' => 'LeaveLoadingRate''updated_date_utc' => 'UpdatedDateUTC''is_paid_leave' => 'IsPaidLeave''show_on_payslip' => 'ShowOnPayslip''current_record' => 'CurrentRecord'
     ];
 
     /**
@@ -128,15 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName',
-        'type_of_units' => 'setTypeOfUnits',
-        'leave_type_id' => 'setLeaveTypeId',
-        'normal_entitlement' => 'setNormalEntitlement',
-        'leave_loading_rate' => 'setLeaveLoadingRate',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'is_paid_leave' => 'setIsPaidLeave',
-        'show_on_payslip' => 'setShowOnPayslip',
-        'current_record' => 'setCurrentRecord'
+        'name' => 'setName''type_of_units' => 'setTypeOfUnits''leave_type_id' => 'setLeaveTypeId''normal_entitlement' => 'setNormalEntitlement''leave_loading_rate' => 'setLeaveLoadingRate''updated_date_utc' => 'setUpdatedDateUtc''is_paid_leave' => 'setIsPaidLeave''show_on_payslip' => 'setShowOnPayslip''current_record' => 'setCurrentRecord'
     ];
 
     /**
@@ -145,15 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName',
-        'type_of_units' => 'getTypeOfUnits',
-        'leave_type_id' => 'getLeaveTypeId',
-        'normal_entitlement' => 'getNormalEntitlement',
-        'leave_loading_rate' => 'getLeaveLoadingRate',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'is_paid_leave' => 'getIsPaidLeave',
-        'show_on_payslip' => 'getShowOnPayslip',
-        'current_record' => 'getCurrentRecord'
+        'name' => 'getName''type_of_units' => 'getTypeOfUnits''leave_type_id' => 'getLeaveTypeId''normal_entitlement' => 'getNormalEntitlement''leave_loading_rate' => 'getLeaveLoadingRate''updated_date_utc' => 'getUpdatedDateUtc''is_paid_leave' => 'getIsPaidLeave''show_on_payslip' => 'getShowOnPayslip''current_record' => 'getCurrentRecord'
     ];
 
     /**
@@ -515,6 +477,7 @@ public function setCurrentRecord($current_record)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -527,6 +490,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -540,6 +504,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -556,6 +521,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/LeaveTypeContributionType.php b/lib/Models/PayrollAu/LeaveTypeContributionType.php
index c3a02d0d..5f38bba9 100644
--- a/lib/Models/PayrollAu/LeaveTypeContributionType.php
+++ b/lib/Models/PayrollAu/LeaveTypeContributionType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollAu;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LeaveTypeContributionType Class Doc Comment
  *
diff --git a/lib/Models/PayrollAu/ManualTaxType.php b/lib/Models/PayrollAu/ManualTaxType.php
index 51545f0d..dd6ab82b 100644
--- a/lib/Models/PayrollAu/ManualTaxType.php
+++ b/lib/Models/PayrollAu/ManualTaxType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollAu;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ManualTaxType Class Doc Comment
  *
diff --git a/lib/Models/PayrollAu/ModelInterface.php b/lib/Models/PayrollAu/ModelInterface.php
index ab8eb67c..099d2279 100644
--- a/lib/Models/PayrollAu/ModelInterface.php
+++ b/lib/Models/PayrollAu/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/OpeningBalances.php b/lib/Models/PayrollAu/OpeningBalances.php
index 0e9e60b6..7d2f3355 100644
--- a/lib/Models/PayrollAu/OpeningBalances.php
+++ b/lib/Models/PayrollAu/OpeningBalances.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * OpeningBalances Class Doc Comment
  *
@@ -56,13 +58,7 @@ class OpeningBalances implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'opening_balance_date' => 'string',
-        'tax' => 'string',
-        'earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsLine[]',
-        'deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\DeductionLine[]',
-        'super_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperLine[]',
-        'reimbursement_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\ReimbursementLine[]',
-        'leave_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveLine[]'
+        'opening_balance_date' => 'string''tax' => 'string''earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsLine[]''deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\DeductionLine[]''super_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperLine[]''reimbursement_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\ReimbursementLine[]''leave_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveLine[]'
     ];
 
     /**
@@ -71,13 +67,7 @@ class OpeningBalances implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'opening_balance_date' => null,
-        'tax' => null,
-        'earnings_lines' => null,
-        'deduction_lines' => null,
-        'super_lines' => null,
-        'reimbursement_lines' => null,
-        'leave_lines' => null
+        'opening_balance_date' => null'tax' => null'earnings_lines' => null'deduction_lines' => null'super_lines' => null'reimbursement_lines' => null'leave_lines' => null
     ];
 
     /**
@@ -107,13 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'opening_balance_date' => 'OpeningBalanceDate',
-        'tax' => 'Tax',
-        'earnings_lines' => 'EarningsLines',
-        'deduction_lines' => 'DeductionLines',
-        'super_lines' => 'SuperLines',
-        'reimbursement_lines' => 'ReimbursementLines',
-        'leave_lines' => 'LeaveLines'
+        'opening_balance_date' => 'OpeningBalanceDate''tax' => 'Tax''earnings_lines' => 'EarningsLines''deduction_lines' => 'DeductionLines''super_lines' => 'SuperLines''reimbursement_lines' => 'ReimbursementLines''leave_lines' => 'LeaveLines'
     ];
 
     /**
@@ -122,13 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'opening_balance_date' => 'setOpeningBalanceDate',
-        'tax' => 'setTax',
-        'earnings_lines' => 'setEarningsLines',
-        'deduction_lines' => 'setDeductionLines',
-        'super_lines' => 'setSuperLines',
-        'reimbursement_lines' => 'setReimbursementLines',
-        'leave_lines' => 'setLeaveLines'
+        'opening_balance_date' => 'setOpeningBalanceDate''tax' => 'setTax''earnings_lines' => 'setEarningsLines''deduction_lines' => 'setDeductionLines''super_lines' => 'setSuperLines''reimbursement_lines' => 'setReimbursementLines''leave_lines' => 'setLeaveLines'
     ];
 
     /**
@@ -137,13 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'opening_balance_date' => 'getOpeningBalanceDate',
-        'tax' => 'getTax',
-        'earnings_lines' => 'getEarningsLines',
-        'deduction_lines' => 'getDeductionLines',
-        'super_lines' => 'getSuperLines',
-        'reimbursement_lines' => 'getReimbursementLines',
-        'leave_lines' => 'getLeaveLines'
+        'opening_balance_date' => 'getOpeningBalanceDate''tax' => 'getTax''earnings_lines' => 'getEarningsLines''deduction_lines' => 'getDeductionLines''super_lines' => 'getSuperLines''reimbursement_lines' => 'getReimbursementLines''leave_lines' => 'getLeaveLines'
     ];
 
     /**
@@ -460,6 +432,7 @@ public function setLeaveLines($leave_lines)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -472,6 +445,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -485,6 +459,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -501,6 +476,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/PayItem.php b/lib/Models/PayrollAu/PayItem.php
index 701f8044..5a9c4a3d 100644
--- a/lib/Models/PayrollAu/PayItem.php
+++ b/lib/Models/PayrollAu/PayItem.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PayItem Class Doc Comment
  *
@@ -56,10 +58,7 @@ class PayItem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_rates' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsRate[]',
-        'deduction_types' => '\XeroAPI\XeroPHP\Models\PayrollAu\DeductionType[]',
-        'leave_types' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveType[]',
-        'reimbursement_types' => '\XeroAPI\XeroPHP\Models\PayrollAu\ReimbursementType[]'
+        'earnings_rates' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsRate[]''deduction_types' => '\XeroAPI\XeroPHP\Models\PayrollAu\DeductionType[]''leave_types' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveType[]''reimbursement_types' => '\XeroAPI\XeroPHP\Models\PayrollAu\ReimbursementType[]'
     ];
 
     /**
@@ -68,10 +67,7 @@ class PayItem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_rates' => null,
-        'deduction_types' => null,
-        'leave_types' => null,
-        'reimbursement_types' => null
+        'earnings_rates' => null'deduction_types' => null'leave_types' => null'reimbursement_types' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_rates' => 'EarningsRates',
-        'deduction_types' => 'DeductionTypes',
-        'leave_types' => 'LeaveTypes',
-        'reimbursement_types' => 'ReimbursementTypes'
+        'earnings_rates' => 'EarningsRates''deduction_types' => 'DeductionTypes''leave_types' => 'LeaveTypes''reimbursement_types' => 'ReimbursementTypes'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_rates' => 'setEarningsRates',
-        'deduction_types' => 'setDeductionTypes',
-        'leave_types' => 'setLeaveTypes',
-        'reimbursement_types' => 'setReimbursementTypes'
+        'earnings_rates' => 'setEarningsRates''deduction_types' => 'setDeductionTypes''leave_types' => 'setLeaveTypes''reimbursement_types' => 'setReimbursementTypes'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_rates' => 'getEarningsRates',
-        'deduction_types' => 'getDeductionTypes',
-        'leave_types' => 'getLeaveTypes',
-        'reimbursement_types' => 'getReimbursementTypes'
+        'earnings_rates' => 'getEarningsRates''deduction_types' => 'getDeductionTypes''leave_types' => 'getLeaveTypes''reimbursement_types' => 'getReimbursementTypes'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setReimbursementTypes($reimbursement_types)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/PayItems.php b/lib/Models/PayrollAu/PayItems.php
index 30f1a379..ee628223 100644
--- a/lib/Models/PayrollAu/PayItems.php
+++ b/lib/Models/PayrollAu/PayItems.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PayItems Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setPayItems($pay_items)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['pay_items'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['pay_items'][$offset]) ? $this->container['pay_items'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['pay_items'][$offset]);
diff --git a/lib/Models/PayrollAu/PayRun.php b/lib/Models/PayrollAu/PayRun.php
index cd875744..bb3497e1 100644
--- a/lib/Models/PayrollAu/PayRun.php
+++ b/lib/Models/PayrollAu/PayRun.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PayRun Class Doc Comment
  *
@@ -56,22 +58,7 @@ class PayRun implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'payroll_calendar_id' => 'string',
-        'pay_run_id' => 'string',
-        'pay_run_period_start_date' => 'string',
-        'pay_run_period_end_date' => 'string',
-        'pay_run_status' => '\XeroAPI\XeroPHP\Models\PayrollAu\PayRunStatus',
-        'payment_date' => 'string',
-        'payslip_message' => 'string',
-        'updated_date_utc' => 'string',
-        'payslips' => '\XeroAPI\XeroPHP\Models\PayrollAu\PayslipSummary[]',
-        'wages' => 'double',
-        'deductions' => 'double',
-        'tax' => 'double',
-        'super' => 'double',
-        'reimbursement' => 'double',
-        'net_pay' => 'double',
-        'validation_errors' => '\XeroAPI\XeroPHP\Models\PayrollAu\ValidationError[]'
+        'payroll_calendar_id' => 'string''pay_run_id' => 'string''pay_run_period_start_date' => 'string''pay_run_period_end_date' => 'string''pay_run_status' => '\XeroAPI\XeroPHP\Models\PayrollAu\PayRunStatus''payment_date' => 'string''payslip_message' => 'string''updated_date_utc' => 'string''payslips' => '\XeroAPI\XeroPHP\Models\PayrollAu\PayslipSummary[]''wages' => 'double''deductions' => 'double''tax' => 'double''super' => 'double''reimbursement' => 'double''net_pay' => 'double''validation_errors' => '\XeroAPI\XeroPHP\Models\PayrollAu\ValidationError[]'
     ];
 
     /**
@@ -80,22 +67,7 @@ class PayRun implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'payroll_calendar_id' => 'uuid',
-        'pay_run_id' => 'uuid',
-        'pay_run_period_start_date' => null,
-        'pay_run_period_end_date' => null,
-        'pay_run_status' => null,
-        'payment_date' => null,
-        'payslip_message' => null,
-        'updated_date_utc' => null,
-        'payslips' => null,
-        'wages' => 'double',
-        'deductions' => 'double',
-        'tax' => 'double',
-        'super' => 'double',
-        'reimbursement' => 'double',
-        'net_pay' => 'double',
-        'validation_errors' => null
+        'payroll_calendar_id' => 'uuid''pay_run_id' => 'uuid''pay_run_period_start_date' => null'pay_run_period_end_date' => null'pay_run_status' => null'payment_date' => null'payslip_message' => null'updated_date_utc' => null'payslips' => null'wages' => 'double''deductions' => 'double''tax' => 'double''super' => 'double''reimbursement' => 'double''net_pay' => 'double''validation_errors' => null
     ];
 
     /**
@@ -125,22 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'payroll_calendar_id' => 'PayrollCalendarID',
-        'pay_run_id' => 'PayRunID',
-        'pay_run_period_start_date' => 'PayRunPeriodStartDate',
-        'pay_run_period_end_date' => 'PayRunPeriodEndDate',
-        'pay_run_status' => 'PayRunStatus',
-        'payment_date' => 'PaymentDate',
-        'payslip_message' => 'PayslipMessage',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'payslips' => 'Payslips',
-        'wages' => 'Wages',
-        'deductions' => 'Deductions',
-        'tax' => 'Tax',
-        'super' => 'Super',
-        'reimbursement' => 'Reimbursement',
-        'net_pay' => 'NetPay',
-        'validation_errors' => 'ValidationErrors'
+        'payroll_calendar_id' => 'PayrollCalendarID''pay_run_id' => 'PayRunID''pay_run_period_start_date' => 'PayRunPeriodStartDate''pay_run_period_end_date' => 'PayRunPeriodEndDate''pay_run_status' => 'PayRunStatus''payment_date' => 'PaymentDate''payslip_message' => 'PayslipMessage''updated_date_utc' => 'UpdatedDateUTC''payslips' => 'Payslips''wages' => 'Wages''deductions' => 'Deductions''tax' => 'Tax''super' => 'Super''reimbursement' => 'Reimbursement''net_pay' => 'NetPay''validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -149,22 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'payroll_calendar_id' => 'setPayrollCalendarId',
-        'pay_run_id' => 'setPayRunId',
-        'pay_run_period_start_date' => 'setPayRunPeriodStartDate',
-        'pay_run_period_end_date' => 'setPayRunPeriodEndDate',
-        'pay_run_status' => 'setPayRunStatus',
-        'payment_date' => 'setPaymentDate',
-        'payslip_message' => 'setPayslipMessage',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'payslips' => 'setPayslips',
-        'wages' => 'setWages',
-        'deductions' => 'setDeductions',
-        'tax' => 'setTax',
-        'super' => 'setSuper',
-        'reimbursement' => 'setReimbursement',
-        'net_pay' => 'setNetPay',
-        'validation_errors' => 'setValidationErrors'
+        'payroll_calendar_id' => 'setPayrollCalendarId''pay_run_id' => 'setPayRunId''pay_run_period_start_date' => 'setPayRunPeriodStartDate''pay_run_period_end_date' => 'setPayRunPeriodEndDate''pay_run_status' => 'setPayRunStatus''payment_date' => 'setPaymentDate''payslip_message' => 'setPayslipMessage''updated_date_utc' => 'setUpdatedDateUtc''payslips' => 'setPayslips''wages' => 'setWages''deductions' => 'setDeductions''tax' => 'setTax''super' => 'setSuper''reimbursement' => 'setReimbursement''net_pay' => 'setNetPay''validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -173,22 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'payroll_calendar_id' => 'getPayrollCalendarId',
-        'pay_run_id' => 'getPayRunId',
-        'pay_run_period_start_date' => 'getPayRunPeriodStartDate',
-        'pay_run_period_end_date' => 'getPayRunPeriodEndDate',
-        'pay_run_status' => 'getPayRunStatus',
-        'payment_date' => 'getPaymentDate',
-        'payslip_message' => 'getPayslipMessage',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'payslips' => 'getPayslips',
-        'wages' => 'getWages',
-        'deductions' => 'getDeductions',
-        'tax' => 'getTax',
-        'super' => 'getSuper',
-        'reimbursement' => 'getReimbursement',
-        'net_pay' => 'getNetPay',
-        'validation_errors' => 'getValidationErrors'
+        'payroll_calendar_id' => 'getPayrollCalendarId''pay_run_id' => 'getPayRunId''pay_run_period_start_date' => 'getPayRunPeriodStartDate''pay_run_period_end_date' => 'getPayRunPeriodEndDate''pay_run_status' => 'getPayRunStatus''payment_date' => 'getPaymentDate''payslip_message' => 'getPayslipMessage''updated_date_utc' => 'getUpdatedDateUtc''payslips' => 'getPayslips''wages' => 'getWages''deductions' => 'getDeductions''tax' => 'getTax''super' => 'getSuper''reimbursement' => 'getReimbursement''net_pay' => 'getNetPay''validation_errors' => 'getValidationErrors'
     ];
 
     /**
@@ -819,6 +746,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -831,6 +759,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -844,6 +773,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -860,6 +790,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/PayRunStatus.php b/lib/Models/PayrollAu/PayRunStatus.php
index 14a29da3..40ec0af2 100644
--- a/lib/Models/PayrollAu/PayRunStatus.php
+++ b/lib/Models/PayrollAu/PayRunStatus.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollAu;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PayRunStatus Class Doc Comment
  *
diff --git a/lib/Models/PayrollAu/PayRuns.php b/lib/Models/PayrollAu/PayRuns.php
index 8f0aff40..ff5035e4 100644
--- a/lib/Models/PayrollAu/PayRuns.php
+++ b/lib/Models/PayrollAu/PayRuns.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PayRuns Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setPayRuns($pay_runs)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['pay_runs'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['pay_runs'][$offset]) ? $this->container['pay_runs'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['pay_runs'][$offset]);
diff --git a/lib/Models/PayrollAu/PayTemplate.php b/lib/Models/PayrollAu/PayTemplate.php
index 02bc9e24..8046733c 100644
--- a/lib/Models/PayrollAu/PayTemplate.php
+++ b/lib/Models/PayrollAu/PayTemplate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PayTemplate Class Doc Comment
  *
@@ -56,11 +58,7 @@ class PayTemplate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsLine[]',
-        'deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\DeductionLine[]',
-        'super_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperLine[]',
-        'reimbursement_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\ReimbursementLine[]',
-        'leave_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveLine[]'
+        'earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsLine[]''deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\DeductionLine[]''super_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperLine[]''reimbursement_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\ReimbursementLine[]''leave_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveLine[]'
     ];
 
     /**
@@ -69,11 +67,7 @@ class PayTemplate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_lines' => null,
-        'deduction_lines' => null,
-        'super_lines' => null,
-        'reimbursement_lines' => null,
-        'leave_lines' => null
+        'earnings_lines' => null'deduction_lines' => null'super_lines' => null'reimbursement_lines' => null'leave_lines' => null
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_lines' => 'EarningsLines',
-        'deduction_lines' => 'DeductionLines',
-        'super_lines' => 'SuperLines',
-        'reimbursement_lines' => 'ReimbursementLines',
-        'leave_lines' => 'LeaveLines'
+        'earnings_lines' => 'EarningsLines''deduction_lines' => 'DeductionLines''super_lines' => 'SuperLines''reimbursement_lines' => 'ReimbursementLines''leave_lines' => 'LeaveLines'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_lines' => 'setEarningsLines',
-        'deduction_lines' => 'setDeductionLines',
-        'super_lines' => 'setSuperLines',
-        'reimbursement_lines' => 'setReimbursementLines',
-        'leave_lines' => 'setLeaveLines'
+        'earnings_lines' => 'setEarningsLines''deduction_lines' => 'setDeductionLines''super_lines' => 'setSuperLines''reimbursement_lines' => 'setReimbursementLines''leave_lines' => 'setLeaveLines'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_lines' => 'getEarningsLines',
-        'deduction_lines' => 'getDeductionLines',
-        'super_lines' => 'getSuperLines',
-        'reimbursement_lines' => 'getReimbursementLines',
-        'leave_lines' => 'getLeaveLines'
+        'earnings_lines' => 'getEarningsLines''deduction_lines' => 'getDeductionLines''super_lines' => 'getSuperLines''reimbursement_lines' => 'getReimbursementLines''leave_lines' => 'getLeaveLines'
     ];
 
     /**
@@ -368,6 +350,7 @@ public function setLeaveLines($leave_lines)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -380,6 +363,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -393,6 +377,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -409,6 +394,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/PaymentFrequencyType.php b/lib/Models/PayrollAu/PaymentFrequencyType.php
index c419461e..4601e36b 100644
--- a/lib/Models/PayrollAu/PaymentFrequencyType.php
+++ b/lib/Models/PayrollAu/PaymentFrequencyType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollAu;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PaymentFrequencyType Class Doc Comment
  *
diff --git a/lib/Models/PayrollAu/PayrollCalendar.php b/lib/Models/PayrollAu/PayrollCalendar.php
index 1df52db7..c7dfdff1 100644
--- a/lib/Models/PayrollAu/PayrollCalendar.php
+++ b/lib/Models/PayrollAu/PayrollCalendar.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PayrollCalendar Class Doc Comment
  *
@@ -56,14 +58,7 @@ class PayrollCalendar implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string',
-        'calendar_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\CalendarType',
-        'start_date' => 'string',
-        'payment_date' => 'string',
-        'payroll_calendar_id' => 'string',
-        'updated_date_utc' => 'string',
-        'reference_date' => 'string',
-        'validation_errors' => '\XeroAPI\XeroPHP\Models\PayrollAu\ValidationError[]'
+        'name' => 'string''calendar_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\CalendarType''start_date' => 'string''payment_date' => 'string''payroll_calendar_id' => 'string''updated_date_utc' => 'string''reference_date' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\PayrollAu\ValidationError[]'
     ];
 
     /**
@@ -72,14 +67,7 @@ class PayrollCalendar implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null,
-        'calendar_type' => null,
-        'start_date' => null,
-        'payment_date' => null,
-        'payroll_calendar_id' => 'uuid',
-        'updated_date_utc' => null,
-        'reference_date' => null,
-        'validation_errors' => null
+        'name' => null'calendar_type' => null'start_date' => null'payment_date' => null'payroll_calendar_id' => 'uuid''updated_date_utc' => null'reference_date' => null'validation_errors' => null
     ];
 
     /**
@@ -109,14 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'Name',
-        'calendar_type' => 'CalendarType',
-        'start_date' => 'StartDate',
-        'payment_date' => 'PaymentDate',
-        'payroll_calendar_id' => 'PayrollCalendarID',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'reference_date' => 'ReferenceDate',
-        'validation_errors' => 'ValidationErrors'
+        'name' => 'Name''calendar_type' => 'CalendarType''start_date' => 'StartDate''payment_date' => 'PaymentDate''payroll_calendar_id' => 'PayrollCalendarID''updated_date_utc' => 'UpdatedDateUTC''reference_date' => 'ReferenceDate''validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -125,14 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName',
-        'calendar_type' => 'setCalendarType',
-        'start_date' => 'setStartDate',
-        'payment_date' => 'setPaymentDate',
-        'payroll_calendar_id' => 'setPayrollCalendarId',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'reference_date' => 'setReferenceDate',
-        'validation_errors' => 'setValidationErrors'
+        'name' => 'setName''calendar_type' => 'setCalendarType''start_date' => 'setStartDate''payment_date' => 'setPaymentDate''payroll_calendar_id' => 'setPayrollCalendarId''updated_date_utc' => 'setUpdatedDateUtc''reference_date' => 'setReferenceDate''validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -141,14 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName',
-        'calendar_type' => 'getCalendarType',
-        'start_date' => 'getStartDate',
-        'payment_date' => 'getPaymentDate',
-        'payroll_calendar_id' => 'getPayrollCalendarId',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'reference_date' => 'getReferenceDate',
-        'validation_errors' => 'getValidationErrors'
+        'name' => 'getName''calendar_type' => 'getCalendarType''start_date' => 'getStartDate''payment_date' => 'getPaymentDate''payroll_calendar_id' => 'getPayrollCalendarId''updated_date_utc' => 'getUpdatedDateUtc''reference_date' => 'getReferenceDate''validation_errors' => 'getValidationErrors'
     ];
 
     /**
@@ -552,6 +519,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -564,6 +532,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -577,6 +546,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -593,6 +563,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/PayrollCalendars.php b/lib/Models/PayrollAu/PayrollCalendars.php
index 2bb70946..a867aca5 100644
--- a/lib/Models/PayrollAu/PayrollCalendars.php
+++ b/lib/Models/PayrollAu/PayrollCalendars.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PayrollCalendars Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setPayrollCalendars($payroll_calendars)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['payroll_calendars'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['payroll_calendars'][$offset]) ? $this->container['payroll_calendars'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['payroll_calendars'][$offset]);
diff --git a/lib/Models/PayrollAu/Payslip.php b/lib/Models/PayrollAu/Payslip.php
index f1fb1af5..9aeda263 100644
--- a/lib/Models/PayrollAu/Payslip.php
+++ b/lib/Models/PayrollAu/Payslip.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Payslip Class Doc Comment
  *
@@ -56,25 +58,7 @@ class Payslip implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'employee_id' => 'string',
-        'payslip_id' => 'string',
-        'first_name' => 'string',
-        'last_name' => 'string',
-        'wages' => 'double',
-        'deductions' => 'double',
-        'tax' => 'double',
-        'super' => 'double',
-        'reimbursements' => 'double',
-        'net_pay' => 'double',
-        'earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsLine[]',
-        'leave_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveEarningsLine[]',
-        'timesheet_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsLine[]',
-        'deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\DeductionLine[]',
-        'leave_accrual_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveAccrualLine[]',
-        'reimbursement_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\ReimbursementLine[]',
-        'superannuation_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperannuationLine[]',
-        'tax_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\TaxLine[]',
-        'updated_date_utc' => 'string'
+        'employee_id' => 'string''payslip_id' => 'string''first_name' => 'string''last_name' => 'string''wages' => 'double''deductions' => 'double''tax' => 'double''super' => 'double''reimbursements' => 'double''net_pay' => 'double''earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsLine[]''leave_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveEarningsLine[]''timesheet_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsLine[]''deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\DeductionLine[]''leave_accrual_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveAccrualLine[]''reimbursement_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\ReimbursementLine[]''superannuation_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperannuationLine[]''tax_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\TaxLine[]''updated_date_utc' => 'string'
     ];
 
     /**
@@ -83,25 +67,7 @@ class Payslip implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'employee_id' => 'uuid',
-        'payslip_id' => 'uuid',
-        'first_name' => null,
-        'last_name' => null,
-        'wages' => 'double',
-        'deductions' => 'double',
-        'tax' => 'double',
-        'super' => 'double',
-        'reimbursements' => 'double',
-        'net_pay' => 'double',
-        'earnings_lines' => null,
-        'leave_earnings_lines' => null,
-        'timesheet_earnings_lines' => null,
-        'deduction_lines' => null,
-        'leave_accrual_lines' => null,
-        'reimbursement_lines' => null,
-        'superannuation_lines' => null,
-        'tax_lines' => null,
-        'updated_date_utc' => null
+        'employee_id' => 'uuid''payslip_id' => 'uuid''first_name' => null'last_name' => null'wages' => 'double''deductions' => 'double''tax' => 'double''super' => 'double''reimbursements' => 'double''net_pay' => 'double''earnings_lines' => null'leave_earnings_lines' => null'timesheet_earnings_lines' => null'deduction_lines' => null'leave_accrual_lines' => null'reimbursement_lines' => null'superannuation_lines' => null'tax_lines' => null'updated_date_utc' => null
     ];
 
     /**
@@ -131,25 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'employee_id' => 'EmployeeID',
-        'payslip_id' => 'PayslipID',
-        'first_name' => 'FirstName',
-        'last_name' => 'LastName',
-        'wages' => 'Wages',
-        'deductions' => 'Deductions',
-        'tax' => 'Tax',
-        'super' => 'Super',
-        'reimbursements' => 'Reimbursements',
-        'net_pay' => 'NetPay',
-        'earnings_lines' => 'EarningsLines',
-        'leave_earnings_lines' => 'LeaveEarningsLines',
-        'timesheet_earnings_lines' => 'TimesheetEarningsLines',
-        'deduction_lines' => 'DeductionLines',
-        'leave_accrual_lines' => 'LeaveAccrualLines',
-        'reimbursement_lines' => 'ReimbursementLines',
-        'superannuation_lines' => 'SuperannuationLines',
-        'tax_lines' => 'TaxLines',
-        'updated_date_utc' => 'UpdatedDateUTC'
+        'employee_id' => 'EmployeeID''payslip_id' => 'PayslipID''first_name' => 'FirstName''last_name' => 'LastName''wages' => 'Wages''deductions' => 'Deductions''tax' => 'Tax''super' => 'Super''reimbursements' => 'Reimbursements''net_pay' => 'NetPay''earnings_lines' => 'EarningsLines''leave_earnings_lines' => 'LeaveEarningsLines''timesheet_earnings_lines' => 'TimesheetEarningsLines''deduction_lines' => 'DeductionLines''leave_accrual_lines' => 'LeaveAccrualLines''reimbursement_lines' => 'ReimbursementLines''superannuation_lines' => 'SuperannuationLines''tax_lines' => 'TaxLines''updated_date_utc' => 'UpdatedDateUTC'
     ];
 
     /**
@@ -158,25 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'employee_id' => 'setEmployeeId',
-        'payslip_id' => 'setPayslipId',
-        'first_name' => 'setFirstName',
-        'last_name' => 'setLastName',
-        'wages' => 'setWages',
-        'deductions' => 'setDeductions',
-        'tax' => 'setTax',
-        'super' => 'setSuper',
-        'reimbursements' => 'setReimbursements',
-        'net_pay' => 'setNetPay',
-        'earnings_lines' => 'setEarningsLines',
-        'leave_earnings_lines' => 'setLeaveEarningsLines',
-        'timesheet_earnings_lines' => 'setTimesheetEarningsLines',
-        'deduction_lines' => 'setDeductionLines',
-        'leave_accrual_lines' => 'setLeaveAccrualLines',
-        'reimbursement_lines' => 'setReimbursementLines',
-        'superannuation_lines' => 'setSuperannuationLines',
-        'tax_lines' => 'setTaxLines',
-        'updated_date_utc' => 'setUpdatedDateUtc'
+        'employee_id' => 'setEmployeeId''payslip_id' => 'setPayslipId''first_name' => 'setFirstName''last_name' => 'setLastName''wages' => 'setWages''deductions' => 'setDeductions''tax' => 'setTax''super' => 'setSuper''reimbursements' => 'setReimbursements''net_pay' => 'setNetPay''earnings_lines' => 'setEarningsLines''leave_earnings_lines' => 'setLeaveEarningsLines''timesheet_earnings_lines' => 'setTimesheetEarningsLines''deduction_lines' => 'setDeductionLines''leave_accrual_lines' => 'setLeaveAccrualLines''reimbursement_lines' => 'setReimbursementLines''superannuation_lines' => 'setSuperannuationLines''tax_lines' => 'setTaxLines''updated_date_utc' => 'setUpdatedDateUtc'
     ];
 
     /**
@@ -185,25 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'employee_id' => 'getEmployeeId',
-        'payslip_id' => 'getPayslipId',
-        'first_name' => 'getFirstName',
-        'last_name' => 'getLastName',
-        'wages' => 'getWages',
-        'deductions' => 'getDeductions',
-        'tax' => 'getTax',
-        'super' => 'getSuper',
-        'reimbursements' => 'getReimbursements',
-        'net_pay' => 'getNetPay',
-        'earnings_lines' => 'getEarningsLines',
-        'leave_earnings_lines' => 'getLeaveEarningsLines',
-        'timesheet_earnings_lines' => 'getTimesheetEarningsLines',
-        'deduction_lines' => 'getDeductionLines',
-        'leave_accrual_lines' => 'getLeaveAccrualLines',
-        'reimbursement_lines' => 'getReimbursementLines',
-        'superannuation_lines' => 'getSuperannuationLines',
-        'tax_lines' => 'getTaxLines',
-        'updated_date_utc' => 'getUpdatedDateUtc'
+        'employee_id' => 'getEmployeeId''payslip_id' => 'getPayslipId''first_name' => 'getFirstName''last_name' => 'getLastName''wages' => 'getWages''deductions' => 'getDeductions''tax' => 'getTax''super' => 'getSuper''reimbursements' => 'getReimbursements''net_pay' => 'getNetPay''earnings_lines' => 'getEarningsLines''leave_earnings_lines' => 'getLeaveEarningsLines''timesheet_earnings_lines' => 'getTimesheetEarningsLines''deduction_lines' => 'getDeductionLines''leave_accrual_lines' => 'getLeaveAccrualLines''reimbursement_lines' => 'getReimbursementLines''superannuation_lines' => 'getSuperannuationLines''tax_lines' => 'getTaxLines''updated_date_utc' => 'getUpdatedDateUtc'
     ];
 
     /**
@@ -837,6 +749,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -849,6 +762,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -862,6 +776,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -878,6 +793,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/PayslipLines.php b/lib/Models/PayrollAu/PayslipLines.php
index 4a1b231e..f774b522 100644
--- a/lib/Models/PayrollAu/PayslipLines.php
+++ b/lib/Models/PayrollAu/PayslipLines.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PayslipLines Class Doc Comment
  *
@@ -56,14 +58,7 @@ class PayslipLines implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsLine[]',
-        'leave_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveEarningsLine[]',
-        'timesheet_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsLine[]',
-        'deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\DeductionLine[]',
-        'leave_accrual_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveAccrualLine[]',
-        'reimbursement_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\ReimbursementLine[]',
-        'superannuation_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperannuationLine[]',
-        'tax_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\TaxLine[]'
+        'earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsLine[]''leave_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveEarningsLine[]''timesheet_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsLine[]''deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\DeductionLine[]''leave_accrual_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveAccrualLine[]''reimbursement_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\ReimbursementLine[]''superannuation_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperannuationLine[]''tax_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\TaxLine[]'
     ];
 
     /**
@@ -72,14 +67,7 @@ class PayslipLines implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_lines' => null,
-        'leave_earnings_lines' => null,
-        'timesheet_earnings_lines' => null,
-        'deduction_lines' => null,
-        'leave_accrual_lines' => null,
-        'reimbursement_lines' => null,
-        'superannuation_lines' => null,
-        'tax_lines' => null
+        'earnings_lines' => null'leave_earnings_lines' => null'timesheet_earnings_lines' => null'deduction_lines' => null'leave_accrual_lines' => null'reimbursement_lines' => null'superannuation_lines' => null'tax_lines' => null
     ];
 
     /**
@@ -109,14 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_lines' => 'EarningsLines',
-        'leave_earnings_lines' => 'LeaveEarningsLines',
-        'timesheet_earnings_lines' => 'TimesheetEarningsLines',
-        'deduction_lines' => 'DeductionLines',
-        'leave_accrual_lines' => 'LeaveAccrualLines',
-        'reimbursement_lines' => 'ReimbursementLines',
-        'superannuation_lines' => 'SuperannuationLines',
-        'tax_lines' => 'TaxLines'
+        'earnings_lines' => 'EarningsLines''leave_earnings_lines' => 'LeaveEarningsLines''timesheet_earnings_lines' => 'TimesheetEarningsLines''deduction_lines' => 'DeductionLines''leave_accrual_lines' => 'LeaveAccrualLines''reimbursement_lines' => 'ReimbursementLines''superannuation_lines' => 'SuperannuationLines''tax_lines' => 'TaxLines'
     ];
 
     /**
@@ -125,14 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_lines' => 'setEarningsLines',
-        'leave_earnings_lines' => 'setLeaveEarningsLines',
-        'timesheet_earnings_lines' => 'setTimesheetEarningsLines',
-        'deduction_lines' => 'setDeductionLines',
-        'leave_accrual_lines' => 'setLeaveAccrualLines',
-        'reimbursement_lines' => 'setReimbursementLines',
-        'superannuation_lines' => 'setSuperannuationLines',
-        'tax_lines' => 'setTaxLines'
+        'earnings_lines' => 'setEarningsLines''leave_earnings_lines' => 'setLeaveEarningsLines''timesheet_earnings_lines' => 'setTimesheetEarningsLines''deduction_lines' => 'setDeductionLines''leave_accrual_lines' => 'setLeaveAccrualLines''reimbursement_lines' => 'setReimbursementLines''superannuation_lines' => 'setSuperannuationLines''tax_lines' => 'setTaxLines'
     ];
 
     /**
@@ -141,14 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_lines' => 'getEarningsLines',
-        'leave_earnings_lines' => 'getLeaveEarningsLines',
-        'timesheet_earnings_lines' => 'getTimesheetEarningsLines',
-        'deduction_lines' => 'getDeductionLines',
-        'leave_accrual_lines' => 'getLeaveAccrualLines',
-        'reimbursement_lines' => 'getReimbursementLines',
-        'superannuation_lines' => 'getSuperannuationLines',
-        'tax_lines' => 'getTaxLines'
+        'earnings_lines' => 'getEarningsLines''leave_earnings_lines' => 'getLeaveEarningsLines''timesheet_earnings_lines' => 'getTimesheetEarningsLines''deduction_lines' => 'getDeductionLines''leave_accrual_lines' => 'getLeaveAccrualLines''reimbursement_lines' => 'getReimbursementLines''superannuation_lines' => 'getSuperannuationLines''tax_lines' => 'getTaxLines'
     ];
 
     /**
@@ -467,6 +434,7 @@ public function setTaxLines($tax_lines)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -479,6 +447,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -492,6 +461,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -508,6 +478,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/PayslipObject.php b/lib/Models/PayrollAu/PayslipObject.php
index b0e5f241..fba95d26 100644
--- a/lib/Models/PayrollAu/PayslipObject.php
+++ b/lib/Models/PayrollAu/PayslipObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PayslipObject Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setPayslip($payslip)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/PayslipSummary.php b/lib/Models/PayrollAu/PayslipSummary.php
index 1a7a9fb8..4666a608 100644
--- a/lib/Models/PayrollAu/PayslipSummary.php
+++ b/lib/Models/PayrollAu/PayslipSummary.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PayslipSummary Class Doc Comment
  *
@@ -56,18 +58,7 @@ class PayslipSummary implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'employee_id' => 'string',
-        'payslip_id' => 'string',
-        'first_name' => 'string',
-        'last_name' => 'string',
-        'employee_group' => 'string',
-        'wages' => 'double',
-        'deductions' => 'double',
-        'tax' => 'double',
-        'super' => 'double',
-        'reimbursements' => 'double',
-        'net_pay' => 'double',
-        'updated_date_utc' => 'string'
+        'employee_id' => 'string''payslip_id' => 'string''first_name' => 'string''last_name' => 'string''employee_group' => 'string''wages' => 'double''deductions' => 'double''tax' => 'double''super' => 'double''reimbursements' => 'double''net_pay' => 'double''updated_date_utc' => 'string'
     ];
 
     /**
@@ -76,18 +67,7 @@ class PayslipSummary implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'employee_id' => 'uuid',
-        'payslip_id' => 'uuid',
-        'first_name' => null,
-        'last_name' => null,
-        'employee_group' => null,
-        'wages' => 'double',
-        'deductions' => 'double',
-        'tax' => 'double',
-        'super' => 'double',
-        'reimbursements' => 'double',
-        'net_pay' => 'double',
-        'updated_date_utc' => null
+        'employee_id' => 'uuid''payslip_id' => 'uuid''first_name' => null'last_name' => null'employee_group' => null'wages' => 'double''deductions' => 'double''tax' => 'double''super' => 'double''reimbursements' => 'double''net_pay' => 'double''updated_date_utc' => null
     ];
 
     /**
@@ -117,18 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'employee_id' => 'EmployeeID',
-        'payslip_id' => 'PayslipID',
-        'first_name' => 'FirstName',
-        'last_name' => 'LastName',
-        'employee_group' => 'EmployeeGroup',
-        'wages' => 'Wages',
-        'deductions' => 'Deductions',
-        'tax' => 'Tax',
-        'super' => 'Super',
-        'reimbursements' => 'Reimbursements',
-        'net_pay' => 'NetPay',
-        'updated_date_utc' => 'UpdatedDateUTC'
+        'employee_id' => 'EmployeeID''payslip_id' => 'PayslipID''first_name' => 'FirstName''last_name' => 'LastName''employee_group' => 'EmployeeGroup''wages' => 'Wages''deductions' => 'Deductions''tax' => 'Tax''super' => 'Super''reimbursements' => 'Reimbursements''net_pay' => 'NetPay''updated_date_utc' => 'UpdatedDateUTC'
     ];
 
     /**
@@ -137,18 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'employee_id' => 'setEmployeeId',
-        'payslip_id' => 'setPayslipId',
-        'first_name' => 'setFirstName',
-        'last_name' => 'setLastName',
-        'employee_group' => 'setEmployeeGroup',
-        'wages' => 'setWages',
-        'deductions' => 'setDeductions',
-        'tax' => 'setTax',
-        'super' => 'setSuper',
-        'reimbursements' => 'setReimbursements',
-        'net_pay' => 'setNetPay',
-        'updated_date_utc' => 'setUpdatedDateUtc'
+        'employee_id' => 'setEmployeeId''payslip_id' => 'setPayslipId''first_name' => 'setFirstName''last_name' => 'setLastName''employee_group' => 'setEmployeeGroup''wages' => 'setWages''deductions' => 'setDeductions''tax' => 'setTax''super' => 'setSuper''reimbursements' => 'setReimbursements''net_pay' => 'setNetPay''updated_date_utc' => 'setUpdatedDateUtc'
     ];
 
     /**
@@ -157,18 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'employee_id' => 'getEmployeeId',
-        'payslip_id' => 'getPayslipId',
-        'first_name' => 'getFirstName',
-        'last_name' => 'getLastName',
-        'employee_group' => 'getEmployeeGroup',
-        'wages' => 'getWages',
-        'deductions' => 'getDeductions',
-        'tax' => 'getTax',
-        'super' => 'getSuper',
-        'reimbursements' => 'getReimbursements',
-        'net_pay' => 'getNetPay',
-        'updated_date_utc' => 'getUpdatedDateUtc'
+        'employee_id' => 'getEmployeeId''payslip_id' => 'getPayslipId''first_name' => 'getFirstName''last_name' => 'getLastName''employee_group' => 'getEmployeeGroup''wages' => 'getWages''deductions' => 'getDeductions''tax' => 'getTax''super' => 'getSuper''reimbursements' => 'getReimbursements''net_pay' => 'getNetPay''updated_date_utc' => 'getUpdatedDateUtc'
     ];
 
     /**
@@ -606,6 +553,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -618,6 +566,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -631,6 +580,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -647,6 +597,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/Payslips.php b/lib/Models/PayrollAu/Payslips.php
index 31da627b..b4bdce59 100644
--- a/lib/Models/PayrollAu/Payslips.php
+++ b/lib/Models/PayrollAu/Payslips.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Payslips Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setPayslips($payslips)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['payslips'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['payslips'][$offset]) ? $this->container['payslips'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['payslips'][$offset]);
diff --git a/lib/Models/PayrollAu/RateType.php b/lib/Models/PayrollAu/RateType.php
index 829c5c6b..520cf35f 100644
--- a/lib/Models/PayrollAu/RateType.php
+++ b/lib/Models/PayrollAu/RateType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollAu;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * RateType Class Doc Comment
  *
diff --git a/lib/Models/PayrollAu/ReimbursementLine.php b/lib/Models/PayrollAu/ReimbursementLine.php
index 85faea97..4add8d3a 100644
--- a/lib/Models/PayrollAu/ReimbursementLine.php
+++ b/lib/Models/PayrollAu/ReimbursementLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ReimbursementLine Class Doc Comment
  *
@@ -56,10 +58,7 @@ class ReimbursementLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'reimbursement_type_id' => 'string',
-        'amount' => 'double',
-        'description' => 'string',
-        'expense_account' => 'string'
+        'reimbursement_type_id' => 'string''amount' => 'double''description' => 'string''expense_account' => 'string'
     ];
 
     /**
@@ -68,10 +67,7 @@ class ReimbursementLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'reimbursement_type_id' => 'uuid',
-        'amount' => 'double',
-        'description' => null,
-        'expense_account' => null
+        'reimbursement_type_id' => 'uuid''amount' => 'double''description' => null'expense_account' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'reimbursement_type_id' => 'ReimbursementTypeID',
-        'amount' => 'Amount',
-        'description' => 'Description',
-        'expense_account' => 'ExpenseAccount'
+        'reimbursement_type_id' => 'ReimbursementTypeID''amount' => 'Amount''description' => 'Description''expense_account' => 'ExpenseAccount'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'reimbursement_type_id' => 'setReimbursementTypeId',
-        'amount' => 'setAmount',
-        'description' => 'setDescription',
-        'expense_account' => 'setExpenseAccount'
+        'reimbursement_type_id' => 'setReimbursementTypeId''amount' => 'setAmount''description' => 'setDescription''expense_account' => 'setExpenseAccount'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'reimbursement_type_id' => 'getReimbursementTypeId',
-        'amount' => 'getAmount',
-        'description' => 'getDescription',
-        'expense_account' => 'getExpenseAccount'
+        'reimbursement_type_id' => 'getReimbursementTypeId''amount' => 'getAmount''description' => 'getDescription''expense_account' => 'getExpenseAccount'
     ];
 
     /**
@@ -343,6 +330,7 @@ public function setExpenseAccount($expense_account)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -355,6 +343,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -368,6 +357,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -384,6 +374,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/ReimbursementLines.php b/lib/Models/PayrollAu/ReimbursementLines.php
index d4630680..6e6b3d99 100644
--- a/lib/Models/PayrollAu/ReimbursementLines.php
+++ b/lib/Models/PayrollAu/ReimbursementLines.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ReimbursementLines Class Doc Comment
  *
@@ -237,6 +239,7 @@ public function setReimbursementLines($reimbursement_lines)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['reimbursement_lines'][$offset]);
@@ -249,6 +252,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['reimbursement_lines'][$offset]) ? $this->container['reimbursement_lines'][$offset] : null;
@@ -262,6 +266,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -278,6 +283,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['reimbursement_lines'][$offset]);
diff --git a/lib/Models/PayrollAu/ReimbursementType.php b/lib/Models/PayrollAu/ReimbursementType.php
index 89368c0a..5efc4411 100644
--- a/lib/Models/PayrollAu/ReimbursementType.php
+++ b/lib/Models/PayrollAu/ReimbursementType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ReimbursementType Class Doc Comment
  *
@@ -56,11 +58,7 @@ class ReimbursementType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string',
-        'account_code' => 'string',
-        'reimbursement_type_id' => 'string',
-        'updated_date_utc' => 'string',
-        'current_record' => 'bool'
+        'name' => 'string''account_code' => 'string''reimbursement_type_id' => 'string''updated_date_utc' => 'string''current_record' => 'bool'
     ];
 
     /**
@@ -69,11 +67,7 @@ class ReimbursementType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null,
-        'account_code' => null,
-        'reimbursement_type_id' => 'uuid',
-        'updated_date_utc' => null,
-        'current_record' => null
+        'name' => null'account_code' => null'reimbursement_type_id' => 'uuid''updated_date_utc' => null'current_record' => null
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'Name',
-        'account_code' => 'AccountCode',
-        'reimbursement_type_id' => 'ReimbursementTypeID',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'current_record' => 'CurrentRecord'
+        'name' => 'Name''account_code' => 'AccountCode''reimbursement_type_id' => 'ReimbursementTypeID''updated_date_utc' => 'UpdatedDateUTC''current_record' => 'CurrentRecord'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName',
-        'account_code' => 'setAccountCode',
-        'reimbursement_type_id' => 'setReimbursementTypeId',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'current_record' => 'setCurrentRecord'
+        'name' => 'setName''account_code' => 'setAccountCode''reimbursement_type_id' => 'setReimbursementTypeId''updated_date_utc' => 'setUpdatedDateUtc''current_record' => 'setCurrentRecord'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName',
-        'account_code' => 'getAccountCode',
-        'reimbursement_type_id' => 'getReimbursementTypeId',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'current_record' => 'getCurrentRecord'
+        'name' => 'getName''account_code' => 'getAccountCode''reimbursement_type_id' => 'getReimbursementTypeId''updated_date_utc' => 'getUpdatedDateUtc''current_record' => 'getCurrentRecord'
     ];
 
     /**
@@ -383,6 +365,7 @@ public function setCurrentRecord($current_record)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -395,6 +378,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -408,6 +392,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -424,6 +409,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/ResidencyStatus.php b/lib/Models/PayrollAu/ResidencyStatus.php
index cf131174..12280c2f 100644
--- a/lib/Models/PayrollAu/ResidencyStatus.php
+++ b/lib/Models/PayrollAu/ResidencyStatus.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollAu;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ResidencyStatus Class Doc Comment
  *
diff --git a/lib/Models/PayrollAu/Settings.php b/lib/Models/PayrollAu/Settings.php
index 8b63d315..793d2524 100644
--- a/lib/Models/PayrollAu/Settings.php
+++ b/lib/Models/PayrollAu/Settings.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Settings Class Doc Comment
  *
@@ -56,9 +58,7 @@ class Settings implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'accounts' => '\XeroAPI\XeroPHP\Models\PayrollAu\Account[]',
-        'tracking_categories' => '\XeroAPI\XeroPHP\Models\PayrollAu\SettingsTrackingCategories',
-        'days_in_payroll_year' => 'int'
+        'accounts' => '\XeroAPI\XeroPHP\Models\PayrollAu\Account[]''tracking_categories' => '\XeroAPI\XeroPHP\Models\PayrollAu\SettingsTrackingCategories''days_in_payroll_year' => 'int'
     ];
 
     /**
@@ -67,9 +67,7 @@ class Settings implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'accounts' => null,
-        'tracking_categories' => null,
-        'days_in_payroll_year' => 'int32'
+        'accounts' => null'tracking_categories' => null'days_in_payroll_year' => 'int32'
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'accounts' => 'Accounts',
-        'tracking_categories' => 'TrackingCategories',
-        'days_in_payroll_year' => 'DaysInPayrollYear'
+        'accounts' => 'Accounts''tracking_categories' => 'TrackingCategories''days_in_payroll_year' => 'DaysInPayrollYear'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'accounts' => 'setAccounts',
-        'tracking_categories' => 'setTrackingCategories',
-        'days_in_payroll_year' => 'setDaysInPayrollYear'
+        'accounts' => 'setAccounts''tracking_categories' => 'setTrackingCategories''days_in_payroll_year' => 'setDaysInPayrollYear'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'accounts' => 'getAccounts',
-        'tracking_categories' => 'getTrackingCategories',
-        'days_in_payroll_year' => 'getDaysInPayrollYear'
+        'accounts' => 'getAccounts''tracking_categories' => 'getTrackingCategories''days_in_payroll_year' => 'getDaysInPayrollYear'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setDaysInPayrollYear($days_in_payroll_year)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/SettingsObject.php b/lib/Models/PayrollAu/SettingsObject.php
index a77a4e66..841b87c5 100644
--- a/lib/Models/PayrollAu/SettingsObject.php
+++ b/lib/Models/PayrollAu/SettingsObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * SettingsObject Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setSettings($settings)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/SettingsTrackingCategories.php b/lib/Models/PayrollAu/SettingsTrackingCategories.php
index 68c4ce95..958d3062 100644
--- a/lib/Models/PayrollAu/SettingsTrackingCategories.php
+++ b/lib/Models/PayrollAu/SettingsTrackingCategories.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * SettingsTrackingCategories Class Doc Comment
  *
@@ -57,8 +59,7 @@ class SettingsTrackingCategories implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'employee_groups' => '\XeroAPI\XeroPHP\Models\PayrollAu\SettingsTrackingCategoriesEmployeeGroups',
-        'timesheet_categories' => '\XeroAPI\XeroPHP\Models\PayrollAu\SettingsTrackingCategoriesTimesheetCategories'
+        'employee_groups' => '\XeroAPI\XeroPHP\Models\PayrollAu\SettingsTrackingCategoriesEmployeeGroups''timesheet_categories' => '\XeroAPI\XeroPHP\Models\PayrollAu\SettingsTrackingCategoriesTimesheetCategories'
     ];
 
     /**
@@ -67,8 +68,7 @@ class SettingsTrackingCategories implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'employee_groups' => null,
-        'timesheet_categories' => null
+        'employee_groups' => null'timesheet_categories' => null
     ];
 
     /**
@@ -98,8 +98,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'employee_groups' => 'EmployeeGroups',
-        'timesheet_categories' => 'TimesheetCategories'
+        'employee_groups' => 'EmployeeGroups''timesheet_categories' => 'TimesheetCategories'
     ];
 
     /**
@@ -108,8 +107,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'employee_groups' => 'setEmployeeGroups',
-        'timesheet_categories' => 'setTimesheetCategories'
+        'employee_groups' => 'setEmployeeGroups''timesheet_categories' => 'setTimesheetCategories'
     ];
 
     /**
@@ -118,8 +116,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'employee_groups' => 'getEmployeeGroups',
-        'timesheet_categories' => 'getTimesheetCategories'
+        'employee_groups' => 'getEmployeeGroups''timesheet_categories' => 'getTimesheetCategories'
     ];
 
     /**
@@ -270,6 +267,7 @@ public function setTimesheetCategories($timesheet_categories)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -282,6 +280,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -295,6 +294,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -311,6 +311,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/SettingsTrackingCategoriesEmployeeGroups.php b/lib/Models/PayrollAu/SettingsTrackingCategoriesEmployeeGroups.php
index 7fa386ee..5b04f082 100644
--- a/lib/Models/PayrollAu/SettingsTrackingCategoriesEmployeeGroups.php
+++ b/lib/Models/PayrollAu/SettingsTrackingCategoriesEmployeeGroups.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * SettingsTrackingCategoriesEmployeeGroups Class Doc Comment
  *
@@ -57,8 +59,7 @@ class SettingsTrackingCategoriesEmployeeGroups implements ModelInterface, ArrayA
       * @var string[]
       */
     protected static $openAPITypes = [
-        'tracking_category_id' => 'string',
-        'tracking_category_name' => 'string'
+        'tracking_category_id' => 'string''tracking_category_name' => 'string'
     ];
 
     /**
@@ -67,8 +68,7 @@ class SettingsTrackingCategoriesEmployeeGroups implements ModelInterface, ArrayA
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'tracking_category_id' => 'uuid',
-        'tracking_category_name' => null
+        'tracking_category_id' => 'uuid''tracking_category_name' => null
     ];
 
     /**
@@ -98,8 +98,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'tracking_category_id' => 'TrackingCategoryID',
-        'tracking_category_name' => 'TrackingCategoryName'
+        'tracking_category_id' => 'TrackingCategoryID''tracking_category_name' => 'TrackingCategoryName'
     ];
 
     /**
@@ -108,8 +107,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'tracking_category_id' => 'setTrackingCategoryId',
-        'tracking_category_name' => 'setTrackingCategoryName'
+        'tracking_category_id' => 'setTrackingCategoryId''tracking_category_name' => 'setTrackingCategoryName'
     ];
 
     /**
@@ -118,8 +116,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'tracking_category_id' => 'getTrackingCategoryId',
-        'tracking_category_name' => 'getTrackingCategoryName'
+        'tracking_category_id' => 'getTrackingCategoryId''tracking_category_name' => 'getTrackingCategoryName'
     ];
 
     /**
@@ -270,6 +267,7 @@ public function setTrackingCategoryName($tracking_category_name)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -282,6 +280,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -295,6 +294,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -311,6 +311,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/SettingsTrackingCategoriesTimesheetCategories.php b/lib/Models/PayrollAu/SettingsTrackingCategoriesTimesheetCategories.php
index c8001cbe..79cfe08b 100644
--- a/lib/Models/PayrollAu/SettingsTrackingCategoriesTimesheetCategories.php
+++ b/lib/Models/PayrollAu/SettingsTrackingCategoriesTimesheetCategories.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * SettingsTrackingCategoriesTimesheetCategories Class Doc Comment
  *
@@ -57,8 +59,7 @@ class SettingsTrackingCategoriesTimesheetCategories implements ModelInterface, A
       * @var string[]
       */
     protected static $openAPITypes = [
-        'tracking_category_id' => 'string',
-        'tracking_category_name' => 'string'
+        'tracking_category_id' => 'string''tracking_category_name' => 'string'
     ];
 
     /**
@@ -67,8 +68,7 @@ class SettingsTrackingCategoriesTimesheetCategories implements ModelInterface, A
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'tracking_category_id' => 'uuid',
-        'tracking_category_name' => null
+        'tracking_category_id' => 'uuid''tracking_category_name' => null
     ];
 
     /**
@@ -98,8 +98,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'tracking_category_id' => 'TrackingCategoryID',
-        'tracking_category_name' => 'TrackingCategoryName'
+        'tracking_category_id' => 'TrackingCategoryID''tracking_category_name' => 'TrackingCategoryName'
     ];
 
     /**
@@ -108,8 +107,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'tracking_category_id' => 'setTrackingCategoryId',
-        'tracking_category_name' => 'setTrackingCategoryName'
+        'tracking_category_id' => 'setTrackingCategoryId''tracking_category_name' => 'setTrackingCategoryName'
     ];
 
     /**
@@ -118,8 +116,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'tracking_category_id' => 'getTrackingCategoryId',
-        'tracking_category_name' => 'getTrackingCategoryName'
+        'tracking_category_id' => 'getTrackingCategoryId''tracking_category_name' => 'getTrackingCategoryName'
     ];
 
     /**
@@ -270,6 +267,7 @@ public function setTrackingCategoryName($tracking_category_name)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -282,6 +280,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -295,6 +294,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -311,6 +311,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/State.php b/lib/Models/PayrollAu/State.php
index b5f9f59d..be1a264a 100644
--- a/lib/Models/PayrollAu/State.php
+++ b/lib/Models/PayrollAu/State.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollAu;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * State Class Doc Comment
  *
diff --git a/lib/Models/PayrollAu/SuperFund.php b/lib/Models/PayrollAu/SuperFund.php
index 9fe394f6..301eb3aa 100644
--- a/lib/Models/PayrollAu/SuperFund.php
+++ b/lib/Models/PayrollAu/SuperFund.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * SuperFund Class Doc Comment
  *
@@ -56,19 +58,7 @@ class SuperFund implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'super_fund_id' => 'string',
-        'type' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperFundType',
-        'name' => 'string',
-        'abn' => 'string',
-        'bsb' => 'string',
-        'account_number' => 'string',
-        'account_name' => 'string',
-        'electronic_service_address' => 'string',
-        'employer_number' => 'string',
-        'spin' => 'string',
-        'usi' => 'string',
-        'updated_date_utc' => 'string',
-        'validation_errors' => '\XeroAPI\XeroPHP\Models\PayrollAu\ValidationError[]'
+        'super_fund_id' => 'string''type' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperFundType''name' => 'string''abn' => 'string''bsb' => 'string''account_number' => 'string''account_name' => 'string''electronic_service_address' => 'string''employer_number' => 'string''spin' => 'string''usi' => 'string''updated_date_utc' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\PayrollAu\ValidationError[]'
     ];
 
     /**
@@ -77,19 +67,7 @@ class SuperFund implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'super_fund_id' => 'uuid',
-        'type' => null,
-        'name' => null,
-        'abn' => null,
-        'bsb' => null,
-        'account_number' => null,
-        'account_name' => null,
-        'electronic_service_address' => null,
-        'employer_number' => null,
-        'spin' => null,
-        'usi' => null,
-        'updated_date_utc' => null,
-        'validation_errors' => null
+        'super_fund_id' => 'uuid''type' => null'name' => null'abn' => null'bsb' => null'account_number' => null'account_name' => null'electronic_service_address' => null'employer_number' => null'spin' => null'usi' => null'updated_date_utc' => null'validation_errors' => null
     ];
 
     /**
@@ -119,19 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'super_fund_id' => 'SuperFundID',
-        'type' => 'Type',
-        'name' => 'Name',
-        'abn' => 'ABN',
-        'bsb' => 'BSB',
-        'account_number' => 'AccountNumber',
-        'account_name' => 'AccountName',
-        'electronic_service_address' => 'ElectronicServiceAddress',
-        'employer_number' => 'EmployerNumber',
-        'spin' => 'SPIN',
-        'usi' => 'USI',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'validation_errors' => 'ValidationErrors'
+        'super_fund_id' => 'SuperFundID''type' => 'Type''name' => 'Name''abn' => 'ABN''bsb' => 'BSB''account_number' => 'AccountNumber''account_name' => 'AccountName''electronic_service_address' => 'ElectronicServiceAddress''employer_number' => 'EmployerNumber''spin' => 'SPIN''usi' => 'USI''updated_date_utc' => 'UpdatedDateUTC''validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -140,19 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'super_fund_id' => 'setSuperFundId',
-        'type' => 'setType',
-        'name' => 'setName',
-        'abn' => 'setAbn',
-        'bsb' => 'setBsb',
-        'account_number' => 'setAccountNumber',
-        'account_name' => 'setAccountName',
-        'electronic_service_address' => 'setElectronicServiceAddress',
-        'employer_number' => 'setEmployerNumber',
-        'spin' => 'setSpin',
-        'usi' => 'setUsi',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'validation_errors' => 'setValidationErrors'
+        'super_fund_id' => 'setSuperFundId''type' => 'setType''name' => 'setName''abn' => 'setAbn''bsb' => 'setBsb''account_number' => 'setAccountNumber''account_name' => 'setAccountName''electronic_service_address' => 'setElectronicServiceAddress''employer_number' => 'setEmployerNumber''spin' => 'setSpin''usi' => 'setUsi''updated_date_utc' => 'setUpdatedDateUtc''validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -161,19 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'super_fund_id' => 'getSuperFundId',
-        'type' => 'getType',
-        'name' => 'getName',
-        'abn' => 'getAbn',
-        'bsb' => 'getBsb',
-        'account_number' => 'getAccountNumber',
-        'account_name' => 'getAccountName',
-        'electronic_service_address' => 'getElectronicServiceAddress',
-        'employer_number' => 'getEmployerNumber',
-        'spin' => 'getSpin',
-        'usi' => 'getUsi',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'validation_errors' => 'getValidationErrors'
+        'super_fund_id' => 'getSuperFundId''type' => 'getType''name' => 'getName''abn' => 'getAbn''bsb' => 'getBsb''account_number' => 'getAccountNumber''account_name' => 'getAccountName''electronic_service_address' => 'getElectronicServiceAddress''employer_number' => 'getEmployerNumber''spin' => 'getSpin''usi' => 'getUsi''updated_date_utc' => 'getUpdatedDateUtc''validation_errors' => 'getValidationErrors'
     ];
 
     /**
@@ -642,6 +584,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -654,6 +597,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -667,6 +611,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -683,6 +628,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/SuperFundProduct.php b/lib/Models/PayrollAu/SuperFundProduct.php
index cd2ee7b6..babf6859 100644
--- a/lib/Models/PayrollAu/SuperFundProduct.php
+++ b/lib/Models/PayrollAu/SuperFundProduct.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * SuperFundProduct Class Doc Comment
  *
@@ -56,10 +58,7 @@ class SuperFundProduct implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'abn' => 'string',
-        'usi' => 'string',
-        'spin' => 'string',
-        'product_name' => 'string'
+        'abn' => 'string''usi' => 'string''spin' => 'string''product_name' => 'string'
     ];
 
     /**
@@ -68,10 +67,7 @@ class SuperFundProduct implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'abn' => null,
-        'usi' => null,
-        'spin' => null,
-        'product_name' => null
+        'abn' => null'usi' => null'spin' => null'product_name' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'abn' => 'ABN',
-        'usi' => 'USI',
-        'spin' => 'SPIN',
-        'product_name' => 'ProductName'
+        'abn' => 'ABN''usi' => 'USI''spin' => 'SPIN''product_name' => 'ProductName'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'abn' => 'setAbn',
-        'usi' => 'setUsi',
-        'spin' => 'setSpin',
-        'product_name' => 'setProductName'
+        'abn' => 'setAbn''usi' => 'setUsi''spin' => 'setSpin''product_name' => 'setProductName'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'abn' => 'getAbn',
-        'usi' => 'getUsi',
-        'spin' => 'getSpin',
-        'product_name' => 'getProductName'
+        'abn' => 'getAbn''usi' => 'getUsi''spin' => 'getSpin''product_name' => 'getProductName'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setProductName($product_name)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/SuperFundProducts.php b/lib/Models/PayrollAu/SuperFundProducts.php
index 7ec26a67..d51eba9f 100644
--- a/lib/Models/PayrollAu/SuperFundProducts.php
+++ b/lib/Models/PayrollAu/SuperFundProducts.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * SuperFundProducts Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setSuperFundProducts($super_fund_products)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['super_fund_products'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['super_fund_products'][$offset]) ? $this->container['super_fund_products'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['super_fund_products'][$offset]);
diff --git a/lib/Models/PayrollAu/SuperFundType.php b/lib/Models/PayrollAu/SuperFundType.php
index 994135e0..b25af107 100644
--- a/lib/Models/PayrollAu/SuperFundType.php
+++ b/lib/Models/PayrollAu/SuperFundType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollAu;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * SuperFundType Class Doc Comment
  *
diff --git a/lib/Models/PayrollAu/SuperFunds.php b/lib/Models/PayrollAu/SuperFunds.php
index 166a130c..b1fab5b8 100644
--- a/lib/Models/PayrollAu/SuperFunds.php
+++ b/lib/Models/PayrollAu/SuperFunds.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * SuperFunds Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setSuperFunds($super_funds)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['super_funds'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['super_funds'][$offset]) ? $this->container['super_funds'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['super_funds'][$offset]);
diff --git a/lib/Models/PayrollAu/SuperLine.php b/lib/Models/PayrollAu/SuperLine.php
index 80328cc3..267f4ba2 100644
--- a/lib/Models/PayrollAu/SuperLine.php
+++ b/lib/Models/PayrollAu/SuperLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * SuperLine Class Doc Comment
  *
@@ -56,14 +58,7 @@ class SuperLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'super_membership_id' => 'string',
-        'contribution_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperannuationContributionType',
-        'calculation_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperannuationCalculationType',
-        'minimum_monthly_earnings' => 'double',
-        'expense_account_code' => 'string',
-        'liability_account_code' => 'string',
-        'percentage' => 'double',
-        'amount' => 'double'
+        'super_membership_id' => 'string''contribution_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperannuationContributionType''calculation_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperannuationCalculationType''minimum_monthly_earnings' => 'double''expense_account_code' => 'string''liability_account_code' => 'string''percentage' => 'double''amount' => 'double'
     ];
 
     /**
@@ -72,14 +67,7 @@ class SuperLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'super_membership_id' => 'uuid',
-        'contribution_type' => null,
-        'calculation_type' => null,
-        'minimum_monthly_earnings' => 'double',
-        'expense_account_code' => null,
-        'liability_account_code' => null,
-        'percentage' => 'double',
-        'amount' => 'double'
+        'super_membership_id' => 'uuid''contribution_type' => null'calculation_type' => null'minimum_monthly_earnings' => 'double''expense_account_code' => null'liability_account_code' => null'percentage' => 'double''amount' => 'double'
     ];
 
     /**
@@ -109,14 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'super_membership_id' => 'SuperMembershipID',
-        'contribution_type' => 'ContributionType',
-        'calculation_type' => 'CalculationType',
-        'minimum_monthly_earnings' => 'MinimumMonthlyEarnings',
-        'expense_account_code' => 'ExpenseAccountCode',
-        'liability_account_code' => 'LiabilityAccountCode',
-        'percentage' => 'Percentage',
-        'amount' => 'Amount'
+        'super_membership_id' => 'SuperMembershipID''contribution_type' => 'ContributionType''calculation_type' => 'CalculationType''minimum_monthly_earnings' => 'MinimumMonthlyEarnings''expense_account_code' => 'ExpenseAccountCode''liability_account_code' => 'LiabilityAccountCode''percentage' => 'Percentage''amount' => 'Amount'
     ];
 
     /**
@@ -125,14 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'super_membership_id' => 'setSuperMembershipId',
-        'contribution_type' => 'setContributionType',
-        'calculation_type' => 'setCalculationType',
-        'minimum_monthly_earnings' => 'setMinimumMonthlyEarnings',
-        'expense_account_code' => 'setExpenseAccountCode',
-        'liability_account_code' => 'setLiabilityAccountCode',
-        'percentage' => 'setPercentage',
-        'amount' => 'setAmount'
+        'super_membership_id' => 'setSuperMembershipId''contribution_type' => 'setContributionType''calculation_type' => 'setCalculationType''minimum_monthly_earnings' => 'setMinimumMonthlyEarnings''expense_account_code' => 'setExpenseAccountCode''liability_account_code' => 'setLiabilityAccountCode''percentage' => 'setPercentage''amount' => 'setAmount'
     ];
 
     /**
@@ -141,14 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'super_membership_id' => 'getSuperMembershipId',
-        'contribution_type' => 'getContributionType',
-        'calculation_type' => 'getCalculationType',
-        'minimum_monthly_earnings' => 'getMinimumMonthlyEarnings',
-        'expense_account_code' => 'getExpenseAccountCode',
-        'liability_account_code' => 'getLiabilityAccountCode',
-        'percentage' => 'getPercentage',
-        'amount' => 'getAmount'
+        'super_membership_id' => 'getSuperMembershipId''contribution_type' => 'getContributionType''calculation_type' => 'getCalculationType''minimum_monthly_earnings' => 'getMinimumMonthlyEarnings''expense_account_code' => 'getExpenseAccountCode''liability_account_code' => 'getLiabilityAccountCode''percentage' => 'getPercentage''amount' => 'getAmount'
     ];
 
     /**
@@ -467,6 +434,7 @@ public function setAmount($amount)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -479,6 +447,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -492,6 +461,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -508,6 +478,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/SuperMembership.php b/lib/Models/PayrollAu/SuperMembership.php
index 2d189083..284f3b7a 100644
--- a/lib/Models/PayrollAu/SuperMembership.php
+++ b/lib/Models/PayrollAu/SuperMembership.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * SuperMembership Class Doc Comment
  *
@@ -56,9 +58,7 @@ class SuperMembership implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'super_membership_id' => 'string',
-        'super_fund_id' => 'string',
-        'employee_number' => 'string'
+        'super_membership_id' => 'string''super_fund_id' => 'string''employee_number' => 'string'
     ];
 
     /**
@@ -67,9 +67,7 @@ class SuperMembership implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'super_membership_id' => 'uuid',
-        'super_fund_id' => 'uuid',
-        'employee_number' => null
+        'super_membership_id' => 'uuid''super_fund_id' => 'uuid''employee_number' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'super_membership_id' => 'SuperMembershipID',
-        'super_fund_id' => 'SuperFundID',
-        'employee_number' => 'EmployeeNumber'
+        'super_membership_id' => 'SuperMembershipID''super_fund_id' => 'SuperFundID''employee_number' => 'EmployeeNumber'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'super_membership_id' => 'setSuperMembershipId',
-        'super_fund_id' => 'setSuperFundId',
-        'employee_number' => 'setEmployeeNumber'
+        'super_membership_id' => 'setSuperMembershipId''super_fund_id' => 'setSuperFundId''employee_number' => 'setEmployeeNumber'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'super_membership_id' => 'getSuperMembershipId',
-        'super_fund_id' => 'getSuperFundId',
-        'employee_number' => 'getEmployeeNumber'
+        'super_membership_id' => 'getSuperMembershipId''super_fund_id' => 'getSuperFundId''employee_number' => 'getEmployeeNumber'
     ];
 
     /**
@@ -308,6 +300,7 @@ public function setEmployeeNumber($employee_number)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -320,6 +313,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -333,6 +327,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -349,6 +344,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/SuperannuationCalculationType.php b/lib/Models/PayrollAu/SuperannuationCalculationType.php
index 800baa81..8c492294 100644
--- a/lib/Models/PayrollAu/SuperannuationCalculationType.php
+++ b/lib/Models/PayrollAu/SuperannuationCalculationType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollAu;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * SuperannuationCalculationType Class Doc Comment
  *
diff --git a/lib/Models/PayrollAu/SuperannuationContributionType.php b/lib/Models/PayrollAu/SuperannuationContributionType.php
index 7ca2645f..bdedf249 100644
--- a/lib/Models/PayrollAu/SuperannuationContributionType.php
+++ b/lib/Models/PayrollAu/SuperannuationContributionType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollAu;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * SuperannuationContributionType Class Doc Comment
  *
diff --git a/lib/Models/PayrollAu/SuperannuationLine.php b/lib/Models/PayrollAu/SuperannuationLine.php
index 3d327c42..f844276c 100644
--- a/lib/Models/PayrollAu/SuperannuationLine.php
+++ b/lib/Models/PayrollAu/SuperannuationLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * SuperannuationLine Class Doc Comment
  *
@@ -56,15 +58,7 @@ class SuperannuationLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'super_membership_id' => 'string',
-        'contribution_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperannuationContributionType',
-        'calculation_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperannuationCalculationType',
-        'minimum_monthly_earnings' => 'double',
-        'expense_account_code' => 'string',
-        'liability_account_code' => 'string',
-        'payment_date_for_this_period' => 'string',
-        'percentage' => 'double',
-        'amount' => 'double'
+        'super_membership_id' => 'string''contribution_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperannuationContributionType''calculation_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperannuationCalculationType''minimum_monthly_earnings' => 'double''expense_account_code' => 'string''liability_account_code' => 'string''payment_date_for_this_period' => 'string''percentage' => 'double''amount' => 'double'
     ];
 
     /**
@@ -73,15 +67,7 @@ class SuperannuationLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'super_membership_id' => 'uuid',
-        'contribution_type' => null,
-        'calculation_type' => null,
-        'minimum_monthly_earnings' => 'double',
-        'expense_account_code' => null,
-        'liability_account_code' => null,
-        'payment_date_for_this_period' => null,
-        'percentage' => 'double',
-        'amount' => 'double'
+        'super_membership_id' => 'uuid''contribution_type' => null'calculation_type' => null'minimum_monthly_earnings' => 'double''expense_account_code' => null'liability_account_code' => null'payment_date_for_this_period' => null'percentage' => 'double''amount' => 'double'
     ];
 
     /**
@@ -111,15 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'super_membership_id' => 'SuperMembershipID',
-        'contribution_type' => 'ContributionType',
-        'calculation_type' => 'CalculationType',
-        'minimum_monthly_earnings' => 'MinimumMonthlyEarnings',
-        'expense_account_code' => 'ExpenseAccountCode',
-        'liability_account_code' => 'LiabilityAccountCode',
-        'payment_date_for_this_period' => 'PaymentDateForThisPeriod',
-        'percentage' => 'Percentage',
-        'amount' => 'Amount'
+        'super_membership_id' => 'SuperMembershipID''contribution_type' => 'ContributionType''calculation_type' => 'CalculationType''minimum_monthly_earnings' => 'MinimumMonthlyEarnings''expense_account_code' => 'ExpenseAccountCode''liability_account_code' => 'LiabilityAccountCode''payment_date_for_this_period' => 'PaymentDateForThisPeriod''percentage' => 'Percentage''amount' => 'Amount'
     ];
 
     /**
@@ -128,15 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'super_membership_id' => 'setSuperMembershipId',
-        'contribution_type' => 'setContributionType',
-        'calculation_type' => 'setCalculationType',
-        'minimum_monthly_earnings' => 'setMinimumMonthlyEarnings',
-        'expense_account_code' => 'setExpenseAccountCode',
-        'liability_account_code' => 'setLiabilityAccountCode',
-        'payment_date_for_this_period' => 'setPaymentDateForThisPeriod',
-        'percentage' => 'setPercentage',
-        'amount' => 'setAmount'
+        'super_membership_id' => 'setSuperMembershipId''contribution_type' => 'setContributionType''calculation_type' => 'setCalculationType''minimum_monthly_earnings' => 'setMinimumMonthlyEarnings''expense_account_code' => 'setExpenseAccountCode''liability_account_code' => 'setLiabilityAccountCode''payment_date_for_this_period' => 'setPaymentDateForThisPeriod''percentage' => 'setPercentage''amount' => 'setAmount'
     ];
 
     /**
@@ -145,15 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'super_membership_id' => 'getSuperMembershipId',
-        'contribution_type' => 'getContributionType',
-        'calculation_type' => 'getCalculationType',
-        'minimum_monthly_earnings' => 'getMinimumMonthlyEarnings',
-        'expense_account_code' => 'getExpenseAccountCode',
-        'liability_account_code' => 'getLiabilityAccountCode',
-        'payment_date_for_this_period' => 'getPaymentDateForThisPeriod',
-        'percentage' => 'getPercentage',
-        'amount' => 'getAmount'
+        'super_membership_id' => 'getSuperMembershipId''contribution_type' => 'getContributionType''calculation_type' => 'getCalculationType''minimum_monthly_earnings' => 'getMinimumMonthlyEarnings''expense_account_code' => 'getExpenseAccountCode''liability_account_code' => 'getLiabilityAccountCode''payment_date_for_this_period' => 'getPaymentDateForThisPeriod''percentage' => 'getPercentage''amount' => 'getAmount'
     ];
 
     /**
@@ -526,6 +488,7 @@ public function setAmount($amount)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -538,6 +501,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -551,6 +515,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -567,6 +532,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/TFNExemptionType.php b/lib/Models/PayrollAu/TFNExemptionType.php
index 3c032dbe..cc86e000 100644
--- a/lib/Models/PayrollAu/TFNExemptionType.php
+++ b/lib/Models/PayrollAu/TFNExemptionType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollAu;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TFNExemptionType Class Doc Comment
  *
diff --git a/lib/Models/PayrollAu/TaxDeclaration.php b/lib/Models/PayrollAu/TaxDeclaration.php
index a279ba93..6ee17fbc 100644
--- a/lib/Models/PayrollAu/TaxDeclaration.php
+++ b/lib/Models/PayrollAu/TaxDeclaration.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TaxDeclaration Class Doc Comment
  *
@@ -56,22 +58,7 @@ class TaxDeclaration implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'employee_id' => 'string',
-        'employment_basis' => '\XeroAPI\XeroPHP\Models\PayrollAu\EmploymentBasis',
-        'tfn_exemption_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\TFNExemptionType',
-        'tax_file_number' => 'string',
-        'australian_resident_for_tax_purposes' => 'bool',
-        'residency_status' => '\XeroAPI\XeroPHP\Models\PayrollAu\ResidencyStatus',
-        'tax_free_threshold_claimed' => 'bool',
-        'tax_offset_estimated_amount' => 'float',
-        'has_help_debt' => 'bool',
-        'has_sfss_debt' => 'bool',
-        'has_trade_support_loan_debt' => 'bool',
-        'upward_variation_tax_withholding_amount' => 'float',
-        'eligible_to_receive_leave_loading' => 'bool',
-        'approved_withholding_variation_percentage' => 'float',
-        'has_student_startup_loan' => 'bool',
-        'updated_date_utc' => 'string'
+        'employee_id' => 'string''employment_basis' => '\XeroAPI\XeroPHP\Models\PayrollAu\EmploymentBasis''tfn_exemption_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\TFNExemptionType''tax_file_number' => 'string''australian_resident_for_tax_purposes' => 'bool''residency_status' => '\XeroAPI\XeroPHP\Models\PayrollAu\ResidencyStatus''tax_free_threshold_claimed' => 'bool''tax_offset_estimated_amount' => 'float''has_help_debt' => 'bool''has_sfss_debt' => 'bool''has_trade_support_loan_debt' => 'bool''upward_variation_tax_withholding_amount' => 'float''eligible_to_receive_leave_loading' => 'bool''approved_withholding_variation_percentage' => 'float''has_student_startup_loan' => 'bool''updated_date_utc' => 'string'
     ];
 
     /**
@@ -80,22 +67,7 @@ class TaxDeclaration implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'employee_id' => 'uuid',
-        'employment_basis' => null,
-        'tfn_exemption_type' => null,
-        'tax_file_number' => null,
-        'australian_resident_for_tax_purposes' => null,
-        'residency_status' => null,
-        'tax_free_threshold_claimed' => null,
-        'tax_offset_estimated_amount' => 'int',
-        'has_help_debt' => null,
-        'has_sfss_debt' => null,
-        'has_trade_support_loan_debt' => null,
-        'upward_variation_tax_withholding_amount' => 'int',
-        'eligible_to_receive_leave_loading' => null,
-        'approved_withholding_variation_percentage' => 'int',
-        'has_student_startup_loan' => null,
-        'updated_date_utc' => null
+        'employee_id' => 'uuid''employment_basis' => null'tfn_exemption_type' => null'tax_file_number' => null'australian_resident_for_tax_purposes' => null'residency_status' => null'tax_free_threshold_claimed' => null'tax_offset_estimated_amount' => 'int''has_help_debt' => null'has_sfss_debt' => null'has_trade_support_loan_debt' => null'upward_variation_tax_withholding_amount' => 'int''eligible_to_receive_leave_loading' => null'approved_withholding_variation_percentage' => 'int''has_student_startup_loan' => null'updated_date_utc' => null
     ];
 
     /**
@@ -125,22 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'employee_id' => 'EmployeeID',
-        'employment_basis' => 'EmploymentBasis',
-        'tfn_exemption_type' => 'TFNExemptionType',
-        'tax_file_number' => 'TaxFileNumber',
-        'australian_resident_for_tax_purposes' => 'AustralianResidentForTaxPurposes',
-        'residency_status' => 'ResidencyStatus',
-        'tax_free_threshold_claimed' => 'TaxFreeThresholdClaimed',
-        'tax_offset_estimated_amount' => 'TaxOffsetEstimatedAmount',
-        'has_help_debt' => 'HasHELPDebt',
-        'has_sfss_debt' => 'HasSFSSDebt',
-        'has_trade_support_loan_debt' => 'HasTradeSupportLoanDebt',
-        'upward_variation_tax_withholding_amount' => 'UpwardVariationTaxWithholdingAmount',
-        'eligible_to_receive_leave_loading' => 'EligibleToReceiveLeaveLoading',
-        'approved_withholding_variation_percentage' => 'ApprovedWithholdingVariationPercentage',
-        'has_student_startup_loan' => 'HasStudentStartupLoan',
-        'updated_date_utc' => 'UpdatedDateUTC'
+        'employee_id' => 'EmployeeID''employment_basis' => 'EmploymentBasis''tfn_exemption_type' => 'TFNExemptionType''tax_file_number' => 'TaxFileNumber''australian_resident_for_tax_purposes' => 'AustralianResidentForTaxPurposes''residency_status' => 'ResidencyStatus''tax_free_threshold_claimed' => 'TaxFreeThresholdClaimed''tax_offset_estimated_amount' => 'TaxOffsetEstimatedAmount''has_help_debt' => 'HasHELPDebt''has_sfss_debt' => 'HasSFSSDebt''has_trade_support_loan_debt' => 'HasTradeSupportLoanDebt''upward_variation_tax_withholding_amount' => 'UpwardVariationTaxWithholdingAmount''eligible_to_receive_leave_loading' => 'EligibleToReceiveLeaveLoading''approved_withholding_variation_percentage' => 'ApprovedWithholdingVariationPercentage''has_student_startup_loan' => 'HasStudentStartupLoan''updated_date_utc' => 'UpdatedDateUTC'
     ];
 
     /**
@@ -149,22 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'employee_id' => 'setEmployeeId',
-        'employment_basis' => 'setEmploymentBasis',
-        'tfn_exemption_type' => 'setTfnExemptionType',
-        'tax_file_number' => 'setTaxFileNumber',
-        'australian_resident_for_tax_purposes' => 'setAustralianResidentForTaxPurposes',
-        'residency_status' => 'setResidencyStatus',
-        'tax_free_threshold_claimed' => 'setTaxFreeThresholdClaimed',
-        'tax_offset_estimated_amount' => 'setTaxOffsetEstimatedAmount',
-        'has_help_debt' => 'setHasHelpDebt',
-        'has_sfss_debt' => 'setHasSfssDebt',
-        'has_trade_support_loan_debt' => 'setHasTradeSupportLoanDebt',
-        'upward_variation_tax_withholding_amount' => 'setUpwardVariationTaxWithholdingAmount',
-        'eligible_to_receive_leave_loading' => 'setEligibleToReceiveLeaveLoading',
-        'approved_withholding_variation_percentage' => 'setApprovedWithholdingVariationPercentage',
-        'has_student_startup_loan' => 'setHasStudentStartupLoan',
-        'updated_date_utc' => 'setUpdatedDateUtc'
+        'employee_id' => 'setEmployeeId''employment_basis' => 'setEmploymentBasis''tfn_exemption_type' => 'setTfnExemptionType''tax_file_number' => 'setTaxFileNumber''australian_resident_for_tax_purposes' => 'setAustralianResidentForTaxPurposes''residency_status' => 'setResidencyStatus''tax_free_threshold_claimed' => 'setTaxFreeThresholdClaimed''tax_offset_estimated_amount' => 'setTaxOffsetEstimatedAmount''has_help_debt' => 'setHasHelpDebt''has_sfss_debt' => 'setHasSfssDebt''has_trade_support_loan_debt' => 'setHasTradeSupportLoanDebt''upward_variation_tax_withholding_amount' => 'setUpwardVariationTaxWithholdingAmount''eligible_to_receive_leave_loading' => 'setEligibleToReceiveLeaveLoading''approved_withholding_variation_percentage' => 'setApprovedWithholdingVariationPercentage''has_student_startup_loan' => 'setHasStudentStartupLoan''updated_date_utc' => 'setUpdatedDateUtc'
     ];
 
     /**
@@ -173,22 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'employee_id' => 'getEmployeeId',
-        'employment_basis' => 'getEmploymentBasis',
-        'tfn_exemption_type' => 'getTfnExemptionType',
-        'tax_file_number' => 'getTaxFileNumber',
-        'australian_resident_for_tax_purposes' => 'getAustralianResidentForTaxPurposes',
-        'residency_status' => 'getResidencyStatus',
-        'tax_free_threshold_claimed' => 'getTaxFreeThresholdClaimed',
-        'tax_offset_estimated_amount' => 'getTaxOffsetEstimatedAmount',
-        'has_help_debt' => 'getHasHelpDebt',
-        'has_sfss_debt' => 'getHasSfssDebt',
-        'has_trade_support_loan_debt' => 'getHasTradeSupportLoanDebt',
-        'upward_variation_tax_withholding_amount' => 'getUpwardVariationTaxWithholdingAmount',
-        'eligible_to_receive_leave_loading' => 'getEligibleToReceiveLeaveLoading',
-        'approved_withholding_variation_percentage' => 'getApprovedWithholdingVariationPercentage',
-        'has_student_startup_loan' => 'getHasStudentStartupLoan',
-        'updated_date_utc' => 'getUpdatedDateUtc'
+        'employee_id' => 'getEmployeeId''employment_basis' => 'getEmploymentBasis''tfn_exemption_type' => 'getTfnExemptionType''tax_file_number' => 'getTaxFileNumber''australian_resident_for_tax_purposes' => 'getAustralianResidentForTaxPurposes''residency_status' => 'getResidencyStatus''tax_free_threshold_claimed' => 'getTaxFreeThresholdClaimed''tax_offset_estimated_amount' => 'getTaxOffsetEstimatedAmount''has_help_debt' => 'getHasHelpDebt''has_sfss_debt' => 'getHasSfssDebt''has_trade_support_loan_debt' => 'getHasTradeSupportLoanDebt''upward_variation_tax_withholding_amount' => 'getUpwardVariationTaxWithholdingAmount''eligible_to_receive_leave_loading' => 'getEligibleToReceiveLeaveLoading''approved_withholding_variation_percentage' => 'getApprovedWithholdingVariationPercentage''has_student_startup_loan' => 'getHasStudentStartupLoan''updated_date_utc' => 'getUpdatedDateUtc'
     ];
 
     /**
@@ -738,6 +665,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -750,6 +678,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -763,6 +692,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -779,6 +709,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/TaxLine.php b/lib/Models/PayrollAu/TaxLine.php
index d9320c0b..19064b53 100644
--- a/lib/Models/PayrollAu/TaxLine.php
+++ b/lib/Models/PayrollAu/TaxLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TaxLine Class Doc Comment
  *
@@ -56,12 +58,7 @@ class TaxLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'payslip_tax_line_id' => 'string',
-        'amount' => 'double',
-        'tax_type_name' => 'string',
-        'description' => 'string',
-        'manual_tax_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\ManualTaxType',
-        'liability_account' => 'string'
+        'payslip_tax_line_id' => 'string''amount' => 'double''tax_type_name' => 'string''description' => 'string''manual_tax_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\ManualTaxType''liability_account' => 'string'
     ];
 
     /**
@@ -70,12 +67,7 @@ class TaxLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'payslip_tax_line_id' => 'uuid',
-        'amount' => 'double',
-        'tax_type_name' => null,
-        'description' => null,
-        'manual_tax_type' => null,
-        'liability_account' => null
+        'payslip_tax_line_id' => 'uuid''amount' => 'double''tax_type_name' => null'description' => null'manual_tax_type' => null'liability_account' => null
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'payslip_tax_line_id' => 'PayslipTaxLineID',
-        'amount' => 'Amount',
-        'tax_type_name' => 'TaxTypeName',
-        'description' => 'Description',
-        'manual_tax_type' => 'ManualTaxType',
-        'liability_account' => 'LiabilityAccount'
+        'payslip_tax_line_id' => 'PayslipTaxLineID''amount' => 'Amount''tax_type_name' => 'TaxTypeName''description' => 'Description''manual_tax_type' => 'ManualTaxType''liability_account' => 'LiabilityAccount'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'payslip_tax_line_id' => 'setPayslipTaxLineId',
-        'amount' => 'setAmount',
-        'tax_type_name' => 'setTaxTypeName',
-        'description' => 'setDescription',
-        'manual_tax_type' => 'setManualTaxType',
-        'liability_account' => 'setLiabilityAccount'
+        'payslip_tax_line_id' => 'setPayslipTaxLineId''amount' => 'setAmount''tax_type_name' => 'setTaxTypeName''description' => 'setDescription''manual_tax_type' => 'setManualTaxType''liability_account' => 'setLiabilityAccount'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'payslip_tax_line_id' => 'getPayslipTaxLineId',
-        'amount' => 'getAmount',
-        'tax_type_name' => 'getTaxTypeName',
-        'description' => 'getDescription',
-        'manual_tax_type' => 'getManualTaxType',
-        'liability_account' => 'getLiabilityAccount'
+        'payslip_tax_line_id' => 'getPayslipTaxLineId''amount' => 'getAmount''tax_type_name' => 'getTaxTypeName''description' => 'getDescription''manual_tax_type' => 'getManualTaxType''liability_account' => 'getLiabilityAccount'
     ];
 
     /**
@@ -401,6 +378,7 @@ public function setLiabilityAccount($liability_account)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -413,6 +391,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -426,6 +405,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -442,6 +422,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/Timesheet.php b/lib/Models/PayrollAu/Timesheet.php
index 39afe350..c0496a68 100644
--- a/lib/Models/PayrollAu/Timesheet.php
+++ b/lib/Models/PayrollAu/Timesheet.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Timesheet Class Doc Comment
  *
@@ -56,15 +58,7 @@ class Timesheet implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'employee_id' => 'string',
-        'start_date' => 'string',
-        'end_date' => 'string',
-        'status' => '\XeroAPI\XeroPHP\Models\PayrollAu\TimesheetStatus',
-        'hours' => 'double',
-        'timesheet_id' => 'string',
-        'timesheet_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\TimesheetLine[]',
-        'updated_date_utc' => 'string',
-        'validation_errors' => '\XeroAPI\XeroPHP\Models\PayrollAu\ValidationError[]'
+        'employee_id' => 'string''start_date' => 'string''end_date' => 'string''status' => '\XeroAPI\XeroPHP\Models\PayrollAu\TimesheetStatus''hours' => 'double''timesheet_id' => 'string''timesheet_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\TimesheetLine[]''updated_date_utc' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\PayrollAu\ValidationError[]'
     ];
 
     /**
@@ -73,15 +67,7 @@ class Timesheet implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'employee_id' => 'uuid',
-        'start_date' => null,
-        'end_date' => null,
-        'status' => null,
-        'hours' => 'double',
-        'timesheet_id' => 'uuid',
-        'timesheet_lines' => null,
-        'updated_date_utc' => null,
-        'validation_errors' => null
+        'employee_id' => 'uuid''start_date' => null'end_date' => null'status' => null'hours' => 'double''timesheet_id' => 'uuid''timesheet_lines' => null'updated_date_utc' => null'validation_errors' => null
     ];
 
     /**
@@ -111,15 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'employee_id' => 'EmployeeID',
-        'start_date' => 'StartDate',
-        'end_date' => 'EndDate',
-        'status' => 'Status',
-        'hours' => 'Hours',
-        'timesheet_id' => 'TimesheetID',
-        'timesheet_lines' => 'TimesheetLines',
-        'updated_date_utc' => 'UpdatedDateUTC',
-        'validation_errors' => 'ValidationErrors'
+        'employee_id' => 'EmployeeID''start_date' => 'StartDate''end_date' => 'EndDate''status' => 'Status''hours' => 'Hours''timesheet_id' => 'TimesheetID''timesheet_lines' => 'TimesheetLines''updated_date_utc' => 'UpdatedDateUTC''validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -128,15 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'employee_id' => 'setEmployeeId',
-        'start_date' => 'setStartDate',
-        'end_date' => 'setEndDate',
-        'status' => 'setStatus',
-        'hours' => 'setHours',
-        'timesheet_id' => 'setTimesheetId',
-        'timesheet_lines' => 'setTimesheetLines',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'validation_errors' => 'setValidationErrors'
+        'employee_id' => 'setEmployeeId''start_date' => 'setStartDate''end_date' => 'setEndDate''status' => 'setStatus''hours' => 'setHours''timesheet_id' => 'setTimesheetId''timesheet_lines' => 'setTimesheetLines''updated_date_utc' => 'setUpdatedDateUtc''validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -145,15 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'employee_id' => 'getEmployeeId',
-        'start_date' => 'getStartDate',
-        'end_date' => 'getEndDate',
-        'status' => 'getStatus',
-        'hours' => 'getHours',
-        'timesheet_id' => 'getTimesheetId',
-        'timesheet_lines' => 'getTimesheetLines',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'validation_errors' => 'getValidationErrors'
+        'employee_id' => 'getEmployeeId''start_date' => 'getStartDate''end_date' => 'getEndDate''status' => 'getStatus''hours' => 'getHours''timesheet_id' => 'getTimesheetId''timesheet_lines' => 'getTimesheetLines''updated_date_utc' => 'getUpdatedDateUtc''validation_errors' => 'getValidationErrors'
     ];
 
     /**
@@ -568,6 +530,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -580,6 +543,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -593,6 +557,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -609,6 +574,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/TimesheetLine.php b/lib/Models/PayrollAu/TimesheetLine.php
index dd371bf5..a0ca783d 100644
--- a/lib/Models/PayrollAu/TimesheetLine.php
+++ b/lib/Models/PayrollAu/TimesheetLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TimesheetLine Class Doc Comment
  *
@@ -56,10 +58,7 @@ class TimesheetLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_rate_id' => 'string',
-        'tracking_item_id' => 'string',
-        'number_of_units' => 'double[]',
-        'updated_date_utc' => 'string'
+        'earnings_rate_id' => 'string''tracking_item_id' => 'string''number_of_units' => 'double[]''updated_date_utc' => 'string'
     ];
 
     /**
@@ -68,10 +67,7 @@ class TimesheetLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_rate_id' => 'uuid',
-        'tracking_item_id' => 'uuid',
-        'number_of_units' => 'double',
-        'updated_date_utc' => null
+        'earnings_rate_id' => 'uuid''tracking_item_id' => 'uuid''number_of_units' => 'double''updated_date_utc' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_rate_id' => 'EarningsRateID',
-        'tracking_item_id' => 'TrackingItemID',
-        'number_of_units' => 'NumberOfUnits',
-        'updated_date_utc' => 'UpdatedDateUTC'
+        'earnings_rate_id' => 'EarningsRateID''tracking_item_id' => 'TrackingItemID''number_of_units' => 'NumberOfUnits''updated_date_utc' => 'UpdatedDateUTC'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_rate_id' => 'setEarningsRateId',
-        'tracking_item_id' => 'setTrackingItemId',
-        'number_of_units' => 'setNumberOfUnits',
-        'updated_date_utc' => 'setUpdatedDateUtc'
+        'earnings_rate_id' => 'setEarningsRateId''tracking_item_id' => 'setTrackingItemId''number_of_units' => 'setNumberOfUnits''updated_date_utc' => 'setUpdatedDateUtc'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_rate_id' => 'getEarningsRateId',
-        'tracking_item_id' => 'getTrackingItemId',
-        'number_of_units' => 'getNumberOfUnits',
-        'updated_date_utc' => 'getUpdatedDateUtc'
+        'earnings_rate_id' => 'getEarningsRateId''tracking_item_id' => 'getTrackingItemId''number_of_units' => 'getNumberOfUnits''updated_date_utc' => 'getUpdatedDateUtc'
     ];
 
     /**
@@ -342,6 +329,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -354,6 +342,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -367,6 +356,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -383,6 +373,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/TimesheetObject.php b/lib/Models/PayrollAu/TimesheetObject.php
index a63cffc1..0d753754 100644
--- a/lib/Models/PayrollAu/TimesheetObject.php
+++ b/lib/Models/PayrollAu/TimesheetObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TimesheetObject Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setTimesheet($timesheet)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/TimesheetStatus.php b/lib/Models/PayrollAu/TimesheetStatus.php
index 5a8b53b5..c2a11045 100644
--- a/lib/Models/PayrollAu/TimesheetStatus.php
+++ b/lib/Models/PayrollAu/TimesheetStatus.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollAu;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TimesheetStatus Class Doc Comment
  *
diff --git a/lib/Models/PayrollAu/Timesheets.php b/lib/Models/PayrollAu/Timesheets.php
index e616be89..85a770e7 100644
--- a/lib/Models/PayrollAu/Timesheets.php
+++ b/lib/Models/PayrollAu/Timesheets.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Timesheets Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setTimesheets($timesheets)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['timesheets'][$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['timesheets'][$offset]) ? $this->container['timesheets'][$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['timesheets'][$offset]);
diff --git a/lib/Models/PayrollAu/ValidationError.php b/lib/Models/PayrollAu/ValidationError.php
index f4666c20..8f2f4bcf 100644
--- a/lib/Models/PayrollAu/ValidationError.php
+++ b/lib/Models/PayrollAu/ValidationError.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollAuObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ValidationError Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setMessage($message)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Account.php b/lib/Models/PayrollNz/Account.php
index 07494545..19315f6c 100644
--- a/lib/Models/PayrollNz/Account.php
+++ b/lib/Models/PayrollNz/Account.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Account Class Doc Comment
  *
@@ -56,10 +58,7 @@ class Account implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_id' => 'string',
-        'type' => 'string',
-        'code' => 'string',
-        'name' => 'string'
+        'account_id' => 'string''type' => 'string''code' => 'string''name' => 'string'
     ];
 
     /**
@@ -68,10 +67,7 @@ class Account implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_id' => 'uuid',
-        'type' => null,
-        'code' => null,
-        'name' => null
+        'account_id' => 'uuid''type' => null'code' => null'name' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_id' => 'accountID',
-        'type' => 'type',
-        'code' => 'code',
-        'name' => 'name'
+        'account_id' => 'accountID''type' => 'type''code' => 'code''name' => 'name'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_id' => 'setAccountId',
-        'type' => 'setType',
-        'code' => 'setCode',
-        'name' => 'setName'
+        'account_id' => 'setAccountId''type' => 'setType''code' => 'setCode''name' => 'setName'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_id' => 'getAccountId',
-        'type' => 'getType',
-        'code' => 'getCode',
-        'name' => 'getName'
+        'account_id' => 'getAccountId''type' => 'getType''code' => 'getCode''name' => 'getName'
     ];
 
     /**
@@ -371,6 +358,7 @@ public function setName($name)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,6 +371,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -396,6 +385,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -412,6 +402,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Accounts.php b/lib/Models/PayrollNz/Accounts.php
index 8f31aeab..795a4bc4 100644
--- a/lib/Models/PayrollNz/Accounts.php
+++ b/lib/Models/PayrollNz/Accounts.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Accounts Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setAccounts($accounts)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Address.php b/lib/Models/PayrollNz/Address.php
index 949058ab..56ab53b4 100644
--- a/lib/Models/PayrollNz/Address.php
+++ b/lib/Models/PayrollNz/Address.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Address Class Doc Comment
  *
@@ -56,12 +58,7 @@ class Address implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'address_line1' => 'string',
-        'address_line2' => 'string',
-        'city' => 'string',
-        'suburb' => 'string',
-        'post_code' => 'string',
-        'country_name' => 'string'
+        'address_line1' => 'string''address_line2' => 'string''city' => 'string''suburb' => 'string''post_code' => 'string''country_name' => 'string'
     ];
 
     /**
@@ -70,12 +67,7 @@ class Address implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'address_line1' => null,
-        'address_line2' => null,
-        'city' => null,
-        'suburb' => null,
-        'post_code' => null,
-        'country_name' => null
+        'address_line1' => null'address_line2' => null'city' => null'suburb' => null'post_code' => null'country_name' => null
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'address_line1' => 'addressLine1',
-        'address_line2' => 'addressLine2',
-        'city' => 'city',
-        'suburb' => 'suburb',
-        'post_code' => 'postCode',
-        'country_name' => 'countryName'
+        'address_line1' => 'addressLine1''address_line2' => 'addressLine2''city' => 'city''suburb' => 'suburb''post_code' => 'postCode''country_name' => 'countryName'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'address_line1' => 'setAddressLine1',
-        'address_line2' => 'setAddressLine2',
-        'city' => 'setCity',
-        'suburb' => 'setSuburb',
-        'post_code' => 'setPostCode',
-        'country_name' => 'setCountryName'
+        'address_line1' => 'setAddressLine1''address_line2' => 'setAddressLine2''city' => 'setCity''suburb' => 'setSuburb''post_code' => 'setPostCode''country_name' => 'setCountryName'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'address_line1' => 'getAddressLine1',
-        'address_line2' => 'getAddressLine2',
-        'city' => 'getCity',
-        'suburb' => 'getSuburb',
-        'post_code' => 'getPostCode',
-        'country_name' => 'getCountryName'
+        'address_line1' => 'getAddressLine1''address_line2' => 'getAddressLine2''city' => 'getCity''suburb' => 'getSuburb''post_code' => 'getPostCode''country_name' => 'getCountryName'
     ];
 
     /**
@@ -410,6 +387,7 @@ public function setCountryName($country_name)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -422,6 +400,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -435,6 +414,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -451,6 +431,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/BankAccount.php b/lib/Models/PayrollNz/BankAccount.php
index 99327ab8..cbb64816 100644
--- a/lib/Models/PayrollNz/BankAccount.php
+++ b/lib/Models/PayrollNz/BankAccount.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * BankAccount Class Doc Comment
  *
@@ -56,14 +58,7 @@ class BankAccount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_name' => 'string',
-        'account_number' => 'string',
-        'sort_code' => 'string',
-        'particulars' => 'string',
-        'code' => 'string',
-        'dollar_amount' => 'double',
-        'reference' => 'string',
-        'calculation_type' => 'string'
+        'account_name' => 'string''account_number' => 'string''sort_code' => 'string''particulars' => 'string''code' => 'string''dollar_amount' => 'double''reference' => 'string''calculation_type' => 'string'
     ];
 
     /**
@@ -72,14 +67,7 @@ class BankAccount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_name' => null,
-        'account_number' => null,
-        'sort_code' => null,
-        'particulars' => null,
-        'code' => null,
-        'dollar_amount' => 'double',
-        'reference' => null,
-        'calculation_type' => null
+        'account_name' => null'account_number' => null'sort_code' => null'particulars' => null'code' => null'dollar_amount' => 'double''reference' => null'calculation_type' => null
     ];
 
     /**
@@ -109,14 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_name' => 'accountName',
-        'account_number' => 'accountNumber',
-        'sort_code' => 'sortCode',
-        'particulars' => 'particulars',
-        'code' => 'code',
-        'dollar_amount' => 'dollarAmount',
-        'reference' => 'reference',
-        'calculation_type' => 'calculationType'
+        'account_name' => 'accountName''account_number' => 'accountNumber''sort_code' => 'sortCode''particulars' => 'particulars''code' => 'code''dollar_amount' => 'dollarAmount''reference' => 'reference''calculation_type' => 'calculationType'
     ];
 
     /**
@@ -125,14 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_name' => 'setAccountName',
-        'account_number' => 'setAccountNumber',
-        'sort_code' => 'setSortCode',
-        'particulars' => 'setParticulars',
-        'code' => 'setCode',
-        'dollar_amount' => 'setDollarAmount',
-        'reference' => 'setReference',
-        'calculation_type' => 'setCalculationType'
+        'account_name' => 'setAccountName''account_number' => 'setAccountNumber''sort_code' => 'setSortCode''particulars' => 'setParticulars''code' => 'setCode''dollar_amount' => 'setDollarAmount''reference' => 'setReference''calculation_type' => 'setCalculationType'
     ];
 
     /**
@@ -141,14 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_name' => 'getAccountName',
-        'account_number' => 'getAccountNumber',
-        'sort_code' => 'getSortCode',
-        'particulars' => 'getParticulars',
-        'code' => 'getCode',
-        'dollar_amount' => 'getDollarAmount',
-        'reference' => 'getReference',
-        'calculation_type' => 'getCalculationType'
+        'account_name' => 'getAccountName''account_number' => 'getAccountNumber''sort_code' => 'getSortCode''particulars' => 'getParticulars''code' => 'getCode''dollar_amount' => 'getDollarAmount''reference' => 'getReference''calculation_type' => 'getCalculationType'
     ];
 
     /**
@@ -508,6 +475,7 @@ public function setCalculationType($calculation_type)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -520,6 +488,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -533,6 +502,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -549,6 +519,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Benefit.php b/lib/Models/PayrollNz/Benefit.php
index a2433664..3e1d69e6 100644
--- a/lib/Models/PayrollNz/Benefit.php
+++ b/lib/Models/PayrollNz/Benefit.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Benefit Class Doc Comment
  *
@@ -56,16 +58,7 @@ class Benefit implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'id' => 'string',
-        'name' => 'string',
-        'category' => 'string',
-        'liability_account_id' => 'string',
-        'expense_account_id' => 'string',
-        'calculation_type_nz' => 'string',
-        'standard_amount' => 'double',
-        'percentage' => 'double',
-        'company_max' => 'double',
-        'current_record' => 'bool'
+        'id' => 'string''name' => 'string''category' => 'string''liability_account_id' => 'string''expense_account_id' => 'string''calculation_type_nz' => 'string''standard_amount' => 'double''percentage' => 'double''company_max' => 'double''current_record' => 'bool'
     ];
 
     /**
@@ -74,16 +67,7 @@ class Benefit implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'id' => 'uuid',
-        'name' => null,
-        'category' => null,
-        'liability_account_id' => 'uuid',
-        'expense_account_id' => 'uuid',
-        'calculation_type_nz' => null,
-        'standard_amount' => 'double',
-        'percentage' => 'double',
-        'company_max' => 'double',
-        'current_record' => null
+        'id' => 'uuid''name' => null'category' => null'liability_account_id' => 'uuid''expense_account_id' => 'uuid''calculation_type_nz' => null'standard_amount' => 'double''percentage' => 'double''company_max' => 'double''current_record' => null
     ];
 
     /**
@@ -113,16 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'id' => 'id',
-        'name' => 'name',
-        'category' => 'category',
-        'liability_account_id' => 'liabilityAccountId',
-        'expense_account_id' => 'expenseAccountId',
-        'calculation_type_nz' => 'calculationTypeNZ',
-        'standard_amount' => 'standardAmount',
-        'percentage' => 'percentage',
-        'company_max' => 'companyMax',
-        'current_record' => 'currentRecord'
+        'id' => 'id''name' => 'name''category' => 'category''liability_account_id' => 'liabilityAccountId''expense_account_id' => 'expenseAccountId''calculation_type_nz' => 'calculationTypeNZ''standard_amount' => 'standardAmount''percentage' => 'percentage''company_max' => 'companyMax''current_record' => 'currentRecord'
     ];
 
     /**
@@ -131,16 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'id' => 'setId',
-        'name' => 'setName',
-        'category' => 'setCategory',
-        'liability_account_id' => 'setLiabilityAccountId',
-        'expense_account_id' => 'setExpenseAccountId',
-        'calculation_type_nz' => 'setCalculationTypeNz',
-        'standard_amount' => 'setStandardAmount',
-        'percentage' => 'setPercentage',
-        'company_max' => 'setCompanyMax',
-        'current_record' => 'setCurrentRecord'
+        'id' => 'setId''name' => 'setName''category' => 'setCategory''liability_account_id' => 'setLiabilityAccountId''expense_account_id' => 'setExpenseAccountId''calculation_type_nz' => 'setCalculationTypeNz''standard_amount' => 'setStandardAmount''percentage' => 'setPercentage''company_max' => 'setCompanyMax''current_record' => 'setCurrentRecord'
     ];
 
     /**
@@ -149,16 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'id' => 'getId',
-        'name' => 'getName',
-        'category' => 'getCategory',
-        'liability_account_id' => 'getLiabilityAccountId',
-        'expense_account_id' => 'getExpenseAccountId',
-        'calculation_type_nz' => 'getCalculationTypeNz',
-        'standard_amount' => 'getStandardAmount',
-        'percentage' => 'getPercentage',
-        'company_max' => 'getCompanyMax',
-        'current_record' => 'getCurrentRecord'
+        'id' => 'getId''name' => 'getName''category' => 'getCategory''liability_account_id' => 'getLiabilityAccountId''expense_account_id' => 'getExpenseAccountId''calculation_type_nz' => 'getCalculationTypeNz''standard_amount' => 'getStandardAmount''percentage' => 'getPercentage''company_max' => 'getCompanyMax''current_record' => 'getCurrentRecord'
     ];
 
     /**
@@ -611,6 +568,7 @@ public function setCurrentRecord($current_record)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -623,6 +581,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -636,6 +595,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -652,6 +612,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/CalendarType.php b/lib/Models/PayrollNz/CalendarType.php
index 73ffbc4b..cf646829 100644
--- a/lib/Models/PayrollNz/CalendarType.php
+++ b/lib/Models/PayrollNz/CalendarType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollNz;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * CalendarType Class Doc Comment
  *
diff --git a/lib/Models/PayrollNz/Deduction.php b/lib/Models/PayrollNz/Deduction.php
index 59599330..73b9f0e6 100644
--- a/lib/Models/PayrollNz/Deduction.php
+++ b/lib/Models/PayrollNz/Deduction.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Deduction Class Doc Comment
  *
@@ -56,12 +58,7 @@ class Deduction implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'deduction_id' => 'string',
-        'deduction_name' => 'string',
-        'deduction_category' => 'string',
-        'liability_account_id' => 'string',
-        'current_record' => 'bool',
-        'standard_amount' => 'double'
+        'deduction_id' => 'string''deduction_name' => 'string''deduction_category' => 'string''liability_account_id' => 'string''current_record' => 'bool''standard_amount' => 'double'
     ];
 
     /**
@@ -70,12 +67,7 @@ class Deduction implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'deduction_id' => 'uuid',
-        'deduction_name' => null,
-        'deduction_category' => null,
-        'liability_account_id' => 'uuid',
-        'current_record' => null,
-        'standard_amount' => 'double'
+        'deduction_id' => 'uuid''deduction_name' => null'deduction_category' => null'liability_account_id' => 'uuid''current_record' => null'standard_amount' => 'double'
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'deduction_id' => 'deductionId',
-        'deduction_name' => 'deductionName',
-        'deduction_category' => 'deductionCategory',
-        'liability_account_id' => 'liabilityAccountId',
-        'current_record' => 'currentRecord',
-        'standard_amount' => 'standardAmount'
+        'deduction_id' => 'deductionId''deduction_name' => 'deductionName''deduction_category' => 'deductionCategory''liability_account_id' => 'liabilityAccountId''current_record' => 'currentRecord''standard_amount' => 'standardAmount'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'deduction_id' => 'setDeductionId',
-        'deduction_name' => 'setDeductionName',
-        'deduction_category' => 'setDeductionCategory',
-        'liability_account_id' => 'setLiabilityAccountId',
-        'current_record' => 'setCurrentRecord',
-        'standard_amount' => 'setStandardAmount'
+        'deduction_id' => 'setDeductionId''deduction_name' => 'setDeductionName''deduction_category' => 'setDeductionCategory''liability_account_id' => 'setLiabilityAccountId''current_record' => 'setCurrentRecord''standard_amount' => 'setStandardAmount'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'deduction_id' => 'getDeductionId',
-        'deduction_name' => 'getDeductionName',
-        'deduction_category' => 'getDeductionCategory',
-        'liability_account_id' => 'getLiabilityAccountId',
-        'current_record' => 'getCurrentRecord',
-        'standard_amount' => 'getStandardAmount'
+        'deduction_id' => 'getDeductionId''deduction_name' => 'getDeductionName''deduction_category' => 'getDeductionCategory''liability_account_id' => 'getLiabilityAccountId''current_record' => 'getCurrentRecord''standard_amount' => 'getStandardAmount'
     ];
 
     /**
@@ -446,6 +423,7 @@ public function setStandardAmount($standard_amount)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -458,6 +436,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -471,6 +450,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -487,6 +467,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/DeductionLine.php b/lib/Models/PayrollNz/DeductionLine.php
index 4e13d194..61b8447d 100644
--- a/lib/Models/PayrollNz/DeductionLine.php
+++ b/lib/Models/PayrollNz/DeductionLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * DeductionLine Class Doc Comment
  *
@@ -56,11 +58,7 @@ class DeductionLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'deduction_type_id' => 'string',
-        'display_name' => 'string',
-        'amount' => 'double',
-        'subject_to_tax' => 'bool',
-        'percentage' => 'double'
+        'deduction_type_id' => 'string''display_name' => 'string''amount' => 'double''subject_to_tax' => 'bool''percentage' => 'double'
     ];
 
     /**
@@ -69,11 +67,7 @@ class DeductionLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'deduction_type_id' => 'uuid',
-        'display_name' => null,
-        'amount' => 'double',
-        'subject_to_tax' => null,
-        'percentage' => 'double'
+        'deduction_type_id' => 'uuid''display_name' => null'amount' => 'double''subject_to_tax' => null'percentage' => 'double'
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'deduction_type_id' => 'deductionTypeID',
-        'display_name' => 'displayName',
-        'amount' => 'amount',
-        'subject_to_tax' => 'subjectToTax',
-        'percentage' => 'percentage'
+        'deduction_type_id' => 'deductionTypeID''display_name' => 'displayName''amount' => 'amount''subject_to_tax' => 'subjectToTax''percentage' => 'percentage'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'deduction_type_id' => 'setDeductionTypeId',
-        'display_name' => 'setDisplayName',
-        'amount' => 'setAmount',
-        'subject_to_tax' => 'setSubjectToTax',
-        'percentage' => 'setPercentage'
+        'deduction_type_id' => 'setDeductionTypeId''display_name' => 'setDisplayName''amount' => 'setAmount''subject_to_tax' => 'setSubjectToTax''percentage' => 'setPercentage'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'deduction_type_id' => 'getDeductionTypeId',
-        'display_name' => 'getDisplayName',
-        'amount' => 'getAmount',
-        'subject_to_tax' => 'getSubjectToTax',
-        'percentage' => 'getPercentage'
+        'deduction_type_id' => 'getDeductionTypeId''display_name' => 'getDisplayName''amount' => 'getAmount''subject_to_tax' => 'getSubjectToTax''percentage' => 'getPercentage'
     ];
 
     /**
@@ -368,6 +350,7 @@ public function setPercentage($percentage)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -380,6 +363,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -393,6 +377,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -409,6 +394,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/DeductionObject.php b/lib/Models/PayrollNz/DeductionObject.php
index 045f68be..c051ba5e 100644
--- a/lib/Models/PayrollNz/DeductionObject.php
+++ b/lib/Models/PayrollNz/DeductionObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * DeductionObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class DeductionObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'deduction' => '\XeroAPI\XeroPHP\Models\PayrollNz\Deduction'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''deduction' => '\XeroAPI\XeroPHP\Models\PayrollNz\Deduction'
     ];
 
     /**
@@ -67,9 +67,7 @@ class DeductionObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'deduction' => null
+        'pagination' => null'problem' => null'deduction' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'deduction' => 'deduction'
+        'pagination' => 'pagination''problem' => 'problem''deduction' => 'deduction'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'deduction' => 'setDeduction'
+        'pagination' => 'setPagination''problem' => 'setProblem''deduction' => 'setDeduction'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'deduction' => 'getDeduction'
+        'pagination' => 'getPagination''problem' => 'getProblem''deduction' => 'getDeduction'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setDeduction($deduction)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Deductions.php b/lib/Models/PayrollNz/Deductions.php
index 8d8fa078..cb75b3d0 100644
--- a/lib/Models/PayrollNz/Deductions.php
+++ b/lib/Models/PayrollNz/Deductions.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Deductions Class Doc Comment
  *
@@ -56,9 +58,7 @@ class Deductions implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'deductions' => '\XeroAPI\XeroPHP\Models\PayrollNz\Deduction[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''deductions' => '\XeroAPI\XeroPHP\Models\PayrollNz\Deduction[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class Deductions implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'deductions' => null
+        'pagination' => null'problem' => null'deductions' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'deductions' => 'deductions'
+        'pagination' => 'pagination''problem' => 'problem''deductions' => 'deductions'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'deductions' => 'setDeductions'
+        'pagination' => 'setPagination''problem' => 'setProblem''deductions' => 'setDeductions'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'deductions' => 'getDeductions'
+        'pagination' => 'getPagination''problem' => 'getProblem''deductions' => 'getDeductions'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setDeductions($deductions)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EarningsLine.php b/lib/Models/PayrollNz/EarningsLine.php
index 95945715..dc703248 100644
--- a/lib/Models/PayrollNz/EarningsLine.php
+++ b/lib/Models/PayrollNz/EarningsLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EarningsLine Class Doc Comment
  *
@@ -56,16 +58,7 @@ class EarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_line_id' => 'string',
-        'earnings_rate_id' => 'string',
-        'display_name' => 'string',
-        'rate_per_unit' => 'double',
-        'number_of_units' => 'double',
-        'fixed_amount' => 'double',
-        'amount' => 'double',
-        'is_linked_to_timesheet' => 'bool',
-        'is_average_daily_pay_rate' => 'bool',
-        'is_system_generated' => 'bool'
+        'earnings_line_id' => 'string''earnings_rate_id' => 'string''display_name' => 'string''rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''amount' => 'double''is_linked_to_timesheet' => 'bool''is_average_daily_pay_rate' => 'bool''is_system_generated' => 'bool'
     ];
 
     /**
@@ -74,16 +67,7 @@ class EarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_line_id' => 'uuid',
-        'earnings_rate_id' => 'uuid',
-        'display_name' => null,
-        'rate_per_unit' => 'double',
-        'number_of_units' => 'double',
-        'fixed_amount' => 'double',
-        'amount' => 'double',
-        'is_linked_to_timesheet' => null,
-        'is_average_daily_pay_rate' => null,
-        'is_system_generated' => null
+        'earnings_line_id' => 'uuid''earnings_rate_id' => 'uuid''display_name' => null'rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''amount' => 'double''is_linked_to_timesheet' => null'is_average_daily_pay_rate' => null'is_system_generated' => null
     ];
 
     /**
@@ -113,16 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_line_id' => 'earningsLineID',
-        'earnings_rate_id' => 'earningsRateID',
-        'display_name' => 'displayName',
-        'rate_per_unit' => 'ratePerUnit',
-        'number_of_units' => 'numberOfUnits',
-        'fixed_amount' => 'fixedAmount',
-        'amount' => 'amount',
-        'is_linked_to_timesheet' => 'isLinkedToTimesheet',
-        'is_average_daily_pay_rate' => 'isAverageDailyPayRate',
-        'is_system_generated' => 'isSystemGenerated'
+        'earnings_line_id' => 'earningsLineID''earnings_rate_id' => 'earningsRateID''display_name' => 'displayName''rate_per_unit' => 'ratePerUnit''number_of_units' => 'numberOfUnits''fixed_amount' => 'fixedAmount''amount' => 'amount''is_linked_to_timesheet' => 'isLinkedToTimesheet''is_average_daily_pay_rate' => 'isAverageDailyPayRate''is_system_generated' => 'isSystemGenerated'
     ];
 
     /**
@@ -131,16 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_line_id' => 'setEarningsLineId',
-        'earnings_rate_id' => 'setEarningsRateId',
-        'display_name' => 'setDisplayName',
-        'rate_per_unit' => 'setRatePerUnit',
-        'number_of_units' => 'setNumberOfUnits',
-        'fixed_amount' => 'setFixedAmount',
-        'amount' => 'setAmount',
-        'is_linked_to_timesheet' => 'setIsLinkedToTimesheet',
-        'is_average_daily_pay_rate' => 'setIsAverageDailyPayRate',
-        'is_system_generated' => 'setIsSystemGenerated'
+        'earnings_line_id' => 'setEarningsLineId''earnings_rate_id' => 'setEarningsRateId''display_name' => 'setDisplayName''rate_per_unit' => 'setRatePerUnit''number_of_units' => 'setNumberOfUnits''fixed_amount' => 'setFixedAmount''amount' => 'setAmount''is_linked_to_timesheet' => 'setIsLinkedToTimesheet''is_average_daily_pay_rate' => 'setIsAverageDailyPayRate''is_system_generated' => 'setIsSystemGenerated'
     ];
 
     /**
@@ -149,16 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_line_id' => 'getEarningsLineId',
-        'earnings_rate_id' => 'getEarningsRateId',
-        'display_name' => 'getDisplayName',
-        'rate_per_unit' => 'getRatePerUnit',
-        'number_of_units' => 'getNumberOfUnits',
-        'fixed_amount' => 'getFixedAmount',
-        'amount' => 'getAmount',
-        'is_linked_to_timesheet' => 'getIsLinkedToTimesheet',
-        'is_average_daily_pay_rate' => 'getIsAverageDailyPayRate',
-        'is_system_generated' => 'getIsSystemGenerated'
+        'earnings_line_id' => 'getEarningsLineId''earnings_rate_id' => 'getEarningsRateId''display_name' => 'getDisplayName''rate_per_unit' => 'getRatePerUnit''number_of_units' => 'getNumberOfUnits''fixed_amount' => 'getFixedAmount''amount' => 'getAmount''is_linked_to_timesheet' => 'getIsLinkedToTimesheet''is_average_daily_pay_rate' => 'getIsAverageDailyPayRate''is_system_generated' => 'getIsSystemGenerated'
     ];
 
     /**
@@ -533,6 +490,7 @@ public function setIsSystemGenerated($is_system_generated)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -545,6 +503,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -558,6 +517,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -574,6 +534,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EarningsOrder.php b/lib/Models/PayrollNz/EarningsOrder.php
index 961cba60..c765db0b 100644
--- a/lib/Models/PayrollNz/EarningsOrder.php
+++ b/lib/Models/PayrollNz/EarningsOrder.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EarningsOrder Class Doc Comment
  *
@@ -56,11 +58,7 @@ class EarningsOrder implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'id' => 'string',
-        'name' => 'string',
-        'statutory_deduction_category' => '\XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeductionCategory',
-        'liability_account_id' => 'string',
-        'current_record' => 'bool'
+        'id' => 'string''name' => 'string''statutory_deduction_category' => '\XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeductionCategory''liability_account_id' => 'string''current_record' => 'bool'
     ];
 
     /**
@@ -69,11 +67,7 @@ class EarningsOrder implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'id' => 'uuid',
-        'name' => null,
-        'statutory_deduction_category' => null,
-        'liability_account_id' => 'uuid',
-        'current_record' => null
+        'id' => 'uuid''name' => null'statutory_deduction_category' => null'liability_account_id' => 'uuid''current_record' => null
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'id' => 'id',
-        'name' => 'name',
-        'statutory_deduction_category' => 'statutoryDeductionCategory',
-        'liability_account_id' => 'liabilityAccountId',
-        'current_record' => 'currentRecord'
+        'id' => 'id''name' => 'name''statutory_deduction_category' => 'statutoryDeductionCategory''liability_account_id' => 'liabilityAccountId''current_record' => 'currentRecord'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'id' => 'setId',
-        'name' => 'setName',
-        'statutory_deduction_category' => 'setStatutoryDeductionCategory',
-        'liability_account_id' => 'setLiabilityAccountId',
-        'current_record' => 'setCurrentRecord'
+        'id' => 'setId''name' => 'setName''statutory_deduction_category' => 'setStatutoryDeductionCategory''liability_account_id' => 'setLiabilityAccountId''current_record' => 'setCurrentRecord'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'id' => 'getId',
-        'name' => 'getName',
-        'statutory_deduction_category' => 'getStatutoryDeductionCategory',
-        'liability_account_id' => 'getLiabilityAccountId',
-        'current_record' => 'getCurrentRecord'
+        'id' => 'getId''name' => 'getName''statutory_deduction_category' => 'getStatutoryDeductionCategory''liability_account_id' => 'getLiabilityAccountId''current_record' => 'getCurrentRecord'
     ];
 
     /**
@@ -371,6 +353,7 @@ public function setCurrentRecord($current_record)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,6 +366,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -396,6 +380,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -412,6 +397,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EarningsOrderObject.php b/lib/Models/PayrollNz/EarningsOrderObject.php
index 123f2139..5e3617cc 100644
--- a/lib/Models/PayrollNz/EarningsOrderObject.php
+++ b/lib/Models/PayrollNz/EarningsOrderObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EarningsOrderObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EarningsOrderObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'statutory_deduction' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsOrder'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''statutory_deduction' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsOrder'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EarningsOrderObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'statutory_deduction' => null
+        'pagination' => null'problem' => null'statutory_deduction' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'statutory_deduction' => 'statutoryDeduction'
+        'pagination' => 'pagination''problem' => 'problem''statutory_deduction' => 'statutoryDeduction'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'statutory_deduction' => 'setStatutoryDeduction'
+        'pagination' => 'setPagination''problem' => 'setProblem''statutory_deduction' => 'setStatutoryDeduction'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'statutory_deduction' => 'getStatutoryDeduction'
+        'pagination' => 'getPagination''problem' => 'getProblem''statutory_deduction' => 'getStatutoryDeduction'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setStatutoryDeduction($statutory_deduction)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EarningsOrders.php b/lib/Models/PayrollNz/EarningsOrders.php
index a61d18b5..519c4362 100644
--- a/lib/Models/PayrollNz/EarningsOrders.php
+++ b/lib/Models/PayrollNz/EarningsOrders.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EarningsOrders Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EarningsOrders implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'statutory_deductions' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsOrder[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''statutory_deductions' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsOrder[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EarningsOrders implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'statutory_deductions' => null
+        'pagination' => null'problem' => null'statutory_deductions' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'statutory_deductions' => 'statutoryDeductions'
+        'pagination' => 'pagination''problem' => 'problem''statutory_deductions' => 'statutoryDeductions'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'statutory_deductions' => 'setStatutoryDeductions'
+        'pagination' => 'setPagination''problem' => 'setProblem''statutory_deductions' => 'setStatutoryDeductions'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'statutory_deductions' => 'getStatutoryDeductions'
+        'pagination' => 'getPagination''problem' => 'getProblem''statutory_deductions' => 'getStatutoryDeductions'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setStatutoryDeductions($statutory_deductions)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EarningsRate.php b/lib/Models/PayrollNz/EarningsRate.php
index 14480d6d..0f8175fd 100644
--- a/lib/Models/PayrollNz/EarningsRate.php
+++ b/lib/Models/PayrollNz/EarningsRate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EarningsRate Class Doc Comment
  *
@@ -56,16 +58,7 @@ class EarningsRate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_rate_id' => 'string',
-        'name' => 'string',
-        'earnings_type' => 'string',
-        'rate_type' => 'string',
-        'type_of_units' => 'string',
-        'current_record' => 'bool',
-        'expense_account_id' => 'string',
-        'rate_per_unit' => 'double',
-        'multiple_of_ordinary_earnings_rate' => 'double',
-        'fixed_amount' => 'double'
+        'earnings_rate_id' => 'string''name' => 'string''earnings_type' => 'string''rate_type' => 'string''type_of_units' => 'string''current_record' => 'bool''expense_account_id' => 'string''rate_per_unit' => 'double''multiple_of_ordinary_earnings_rate' => 'double''fixed_amount' => 'double'
     ];
 
     /**
@@ -74,16 +67,7 @@ class EarningsRate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_rate_id' => 'uuid',
-        'name' => null,
-        'earnings_type' => null,
-        'rate_type' => null,
-        'type_of_units' => null,
-        'current_record' => null,
-        'expense_account_id' => 'uuid',
-        'rate_per_unit' => 'double',
-        'multiple_of_ordinary_earnings_rate' => 'double',
-        'fixed_amount' => 'double'
+        'earnings_rate_id' => 'uuid''name' => null'earnings_type' => null'rate_type' => null'type_of_units' => null'current_record' => null'expense_account_id' => 'uuid''rate_per_unit' => 'double''multiple_of_ordinary_earnings_rate' => 'double''fixed_amount' => 'double'
     ];
 
     /**
@@ -113,16 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_rate_id' => 'earningsRateID',
-        'name' => 'name',
-        'earnings_type' => 'earningsType',
-        'rate_type' => 'rateType',
-        'type_of_units' => 'typeOfUnits',
-        'current_record' => 'currentRecord',
-        'expense_account_id' => 'expenseAccountID',
-        'rate_per_unit' => 'ratePerUnit',
-        'multiple_of_ordinary_earnings_rate' => 'multipleOfOrdinaryEarningsRate',
-        'fixed_amount' => 'fixedAmount'
+        'earnings_rate_id' => 'earningsRateID''name' => 'name''earnings_type' => 'earningsType''rate_type' => 'rateType''type_of_units' => 'typeOfUnits''current_record' => 'currentRecord''expense_account_id' => 'expenseAccountID''rate_per_unit' => 'ratePerUnit''multiple_of_ordinary_earnings_rate' => 'multipleOfOrdinaryEarningsRate''fixed_amount' => 'fixedAmount'
     ];
 
     /**
@@ -131,16 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_rate_id' => 'setEarningsRateId',
-        'name' => 'setName',
-        'earnings_type' => 'setEarningsType',
-        'rate_type' => 'setRateType',
-        'type_of_units' => 'setTypeOfUnits',
-        'current_record' => 'setCurrentRecord',
-        'expense_account_id' => 'setExpenseAccountId',
-        'rate_per_unit' => 'setRatePerUnit',
-        'multiple_of_ordinary_earnings_rate' => 'setMultipleOfOrdinaryEarningsRate',
-        'fixed_amount' => 'setFixedAmount'
+        'earnings_rate_id' => 'setEarningsRateId''name' => 'setName''earnings_type' => 'setEarningsType''rate_type' => 'setRateType''type_of_units' => 'setTypeOfUnits''current_record' => 'setCurrentRecord''expense_account_id' => 'setExpenseAccountId''rate_per_unit' => 'setRatePerUnit''multiple_of_ordinary_earnings_rate' => 'setMultipleOfOrdinaryEarningsRate''fixed_amount' => 'setFixedAmount'
     ];
 
     /**
@@ -149,16 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_rate_id' => 'getEarningsRateId',
-        'name' => 'getName',
-        'earnings_type' => 'getEarningsType',
-        'rate_type' => 'getRateType',
-        'type_of_units' => 'getTypeOfUnits',
-        'current_record' => 'getCurrentRecord',
-        'expense_account_id' => 'getExpenseAccountId',
-        'rate_per_unit' => 'getRatePerUnit',
-        'multiple_of_ordinary_earnings_rate' => 'getMultipleOfOrdinaryEarningsRate',
-        'fixed_amount' => 'getFixedAmount'
+        'earnings_rate_id' => 'getEarningsRateId''name' => 'getName''earnings_type' => 'getEarningsType''rate_type' => 'getRateType''type_of_units' => 'getTypeOfUnits''current_record' => 'getCurrentRecord''expense_account_id' => 'getExpenseAccountId''rate_per_unit' => 'getRatePerUnit''multiple_of_ordinary_earnings_rate' => 'getMultipleOfOrdinaryEarningsRate''fixed_amount' => 'getFixedAmount'
     ];
 
     /**
@@ -640,6 +597,7 @@ public function setFixedAmount($fixed_amount)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -652,6 +610,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -665,6 +624,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -681,6 +641,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EarningsRateObject.php b/lib/Models/PayrollNz/EarningsRateObject.php
index 79be629c..6280608f 100644
--- a/lib/Models/PayrollNz/EarningsRateObject.php
+++ b/lib/Models/PayrollNz/EarningsRateObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EarningsRateObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EarningsRateObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'earnings_rate' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsRate'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''earnings_rate' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsRate'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EarningsRateObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'earnings_rate' => null
+        'pagination' => null'problem' => null'earnings_rate' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'earnings_rate' => 'earningsRate'
+        'pagination' => 'pagination''problem' => 'problem''earnings_rate' => 'earningsRate'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'earnings_rate' => 'setEarningsRate'
+        'pagination' => 'setPagination''problem' => 'setProblem''earnings_rate' => 'setEarningsRate'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'earnings_rate' => 'getEarningsRate'
+        'pagination' => 'getPagination''problem' => 'getProblem''earnings_rate' => 'getEarningsRate'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setEarningsRate($earnings_rate)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EarningsRates.php b/lib/Models/PayrollNz/EarningsRates.php
index defd0764..9938256e 100644
--- a/lib/Models/PayrollNz/EarningsRates.php
+++ b/lib/Models/PayrollNz/EarningsRates.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EarningsRates Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EarningsRates implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'earnings_rates' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsRate[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''earnings_rates' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsRate[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EarningsRates implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'earnings_rates' => null
+        'pagination' => null'problem' => null'earnings_rates' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'earnings_rates' => 'earningsRates'
+        'pagination' => 'pagination''problem' => 'problem''earnings_rates' => 'earningsRates'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'earnings_rates' => 'setEarningsRates'
+        'pagination' => 'setPagination''problem' => 'setProblem''earnings_rates' => 'setEarningsRates'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'earnings_rates' => 'getEarningsRates'
+        'pagination' => 'getPagination''problem' => 'getProblem''earnings_rates' => 'getEarningsRates'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setEarningsRates($earnings_rates)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EarningsTemplate.php b/lib/Models/PayrollNz/EarningsTemplate.php
index 71247577..9e792cc0 100644
--- a/lib/Models/PayrollNz/EarningsTemplate.php
+++ b/lib/Models/PayrollNz/EarningsTemplate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EarningsTemplate Class Doc Comment
  *
@@ -56,12 +58,7 @@ class EarningsTemplate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pay_template_earning_id' => 'string',
-        'rate_per_unit' => 'double',
-        'number_of_units' => 'double',
-        'fixed_amount' => 'double',
-        'earnings_rate_id' => 'string',
-        'name' => 'string'
+        'pay_template_earning_id' => 'string''rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''earnings_rate_id' => 'string''name' => 'string'
     ];
 
     /**
@@ -70,12 +67,7 @@ class EarningsTemplate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pay_template_earning_id' => 'uuid',
-        'rate_per_unit' => 'double',
-        'number_of_units' => 'double',
-        'fixed_amount' => 'double',
-        'earnings_rate_id' => 'uuid',
-        'name' => null
+        'pay_template_earning_id' => 'uuid''rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''earnings_rate_id' => 'uuid''name' => null
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pay_template_earning_id' => 'payTemplateEarningID',
-        'rate_per_unit' => 'ratePerUnit',
-        'number_of_units' => 'numberOfUnits',
-        'fixed_amount' => 'fixedAmount',
-        'earnings_rate_id' => 'earningsRateID',
-        'name' => 'name'
+        'pay_template_earning_id' => 'payTemplateEarningID''rate_per_unit' => 'ratePerUnit''number_of_units' => 'numberOfUnits''fixed_amount' => 'fixedAmount''earnings_rate_id' => 'earningsRateID''name' => 'name'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pay_template_earning_id' => 'setPayTemplateEarningId',
-        'rate_per_unit' => 'setRatePerUnit',
-        'number_of_units' => 'setNumberOfUnits',
-        'fixed_amount' => 'setFixedAmount',
-        'earnings_rate_id' => 'setEarningsRateId',
-        'name' => 'setName'
+        'pay_template_earning_id' => 'setPayTemplateEarningId''rate_per_unit' => 'setRatePerUnit''number_of_units' => 'setNumberOfUnits''fixed_amount' => 'setFixedAmount''earnings_rate_id' => 'setEarningsRateId''name' => 'setName'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pay_template_earning_id' => 'getPayTemplateEarningId',
-        'rate_per_unit' => 'getRatePerUnit',
-        'number_of_units' => 'getNumberOfUnits',
-        'fixed_amount' => 'getFixedAmount',
-        'earnings_rate_id' => 'getEarningsRateId',
-        'name' => 'getName'
+        'pay_template_earning_id' => 'getPayTemplateEarningId''rate_per_unit' => 'getRatePerUnit''number_of_units' => 'getNumberOfUnits''fixed_amount' => 'getFixedAmount''earnings_rate_id' => 'getEarningsRateId''name' => 'getName'
     ];
 
     /**
@@ -401,6 +378,7 @@ public function setName($name)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -413,6 +391,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -426,6 +405,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -442,6 +422,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EarningsTemplateObject.php b/lib/Models/PayrollNz/EarningsTemplateObject.php
index 4c413bab..27ccab37 100644
--- a/lib/Models/PayrollNz/EarningsTemplateObject.php
+++ b/lib/Models/PayrollNz/EarningsTemplateObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EarningsTemplateObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EarningsTemplateObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'earning_template' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplate'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''earning_template' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplate'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EarningsTemplateObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'earning_template' => null
+        'pagination' => null'problem' => null'earning_template' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'earning_template' => 'earningTemplate'
+        'pagination' => 'pagination''problem' => 'problem''earning_template' => 'earningTemplate'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'earning_template' => 'setEarningTemplate'
+        'pagination' => 'setPagination''problem' => 'setProblem''earning_template' => 'setEarningTemplate'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'earning_template' => 'getEarningTemplate'
+        'pagination' => 'getPagination''problem' => 'getProblem''earning_template' => 'getEarningTemplate'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setEarningTemplate($earning_template)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Employee.php b/lib/Models/PayrollNz/Employee.php
index 4c3d4b92..7978e3fe 100644
--- a/lib/Models/PayrollNz/Employee.php
+++ b/lib/Models/PayrollNz/Employee.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Employee Class Doc Comment
  *
@@ -56,20 +58,7 @@ class Employee implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'employee_id' => 'string',
-        'title' => 'string',
-        'first_name' => 'string',
-        'last_name' => 'string',
-        'date_of_birth' => '\DateTime',
-        'address' => '\XeroAPI\XeroPHP\Models\PayrollNz\Address',
-        'email' => 'string',
-        'gender' => 'string',
-        'phone_number' => 'string',
-        'start_date' => '\DateTime',
-        'end_date' => '\DateTime',
-        'payroll_calendar_id' => 'string',
-        'updated_date_utc' => '\DateTime',
-        'created_date_utc' => '\DateTime'
+        'employee_id' => 'string''title' => 'string''first_name' => 'string''last_name' => 'string''date_of_birth' => '\DateTime''address' => '\XeroAPI\XeroPHP\Models\PayrollNz\Address''email' => 'string''gender' => 'string''phone_number' => 'string''start_date' => '\DateTime''end_date' => '\DateTime''payroll_calendar_id' => 'string''updated_date_utc' => '\DateTime''created_date_utc' => '\DateTime'
     ];
 
     /**
@@ -78,20 +67,7 @@ class Employee implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'employee_id' => 'uuid',
-        'title' => null,
-        'first_name' => null,
-        'last_name' => null,
-        'date_of_birth' => 'date',
-        'address' => null,
-        'email' => null,
-        'gender' => null,
-        'phone_number' => null,
-        'start_date' => 'date',
-        'end_date' => 'date',
-        'payroll_calendar_id' => 'uuid',
-        'updated_date_utc' => 'date-time',
-        'created_date_utc' => 'date-time'
+        'employee_id' => 'uuid''title' => null'first_name' => null'last_name' => null'date_of_birth' => 'date''address' => null'email' => null'gender' => null'phone_number' => null'start_date' => 'date''end_date' => 'date''payroll_calendar_id' => 'uuid''updated_date_utc' => 'date-time''created_date_utc' => 'date-time'
     ];
 
     /**
@@ -121,20 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'employee_id' => 'employeeID',
-        'title' => 'title',
-        'first_name' => 'firstName',
-        'last_name' => 'lastName',
-        'date_of_birth' => 'dateOfBirth',
-        'address' => 'address',
-        'email' => 'email',
-        'gender' => 'gender',
-        'phone_number' => 'phoneNumber',
-        'start_date' => 'startDate',
-        'end_date' => 'endDate',
-        'payroll_calendar_id' => 'payrollCalendarID',
-        'updated_date_utc' => 'updatedDateUTC',
-        'created_date_utc' => 'createdDateUTC'
+        'employee_id' => 'employeeID''title' => 'title''first_name' => 'firstName''last_name' => 'lastName''date_of_birth' => 'dateOfBirth''address' => 'address''email' => 'email''gender' => 'gender''phone_number' => 'phoneNumber''start_date' => 'startDate''end_date' => 'endDate''payroll_calendar_id' => 'payrollCalendarID''updated_date_utc' => 'updatedDateUTC''created_date_utc' => 'createdDateUTC'
     ];
 
     /**
@@ -143,20 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'employee_id' => 'setEmployeeId',
-        'title' => 'setTitle',
-        'first_name' => 'setFirstName',
-        'last_name' => 'setLastName',
-        'date_of_birth' => 'setDateOfBirth',
-        'address' => 'setAddress',
-        'email' => 'setEmail',
-        'gender' => 'setGender',
-        'phone_number' => 'setPhoneNumber',
-        'start_date' => 'setStartDate',
-        'end_date' => 'setEndDate',
-        'payroll_calendar_id' => 'setPayrollCalendarId',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'created_date_utc' => 'setCreatedDateUtc'
+        'employee_id' => 'setEmployeeId''title' => 'setTitle''first_name' => 'setFirstName''last_name' => 'setLastName''date_of_birth' => 'setDateOfBirth''address' => 'setAddress''email' => 'setEmail''gender' => 'setGender''phone_number' => 'setPhoneNumber''start_date' => 'setStartDate''end_date' => 'setEndDate''payroll_calendar_id' => 'setPayrollCalendarId''updated_date_utc' => 'setUpdatedDateUtc''created_date_utc' => 'setCreatedDateUtc'
     ];
 
     /**
@@ -165,20 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'employee_id' => 'getEmployeeId',
-        'title' => 'getTitle',
-        'first_name' => 'getFirstName',
-        'last_name' => 'getLastName',
-        'date_of_birth' => 'getDateOfBirth',
-        'address' => 'getAddress',
-        'email' => 'getEmail',
-        'gender' => 'getGender',
-        'phone_number' => 'getPhoneNumber',
-        'start_date' => 'getStartDate',
-        'end_date' => 'getEndDate',
-        'payroll_calendar_id' => 'getPayrollCalendarId',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'created_date_utc' => 'getCreatedDateUtc'
+        'employee_id' => 'getEmployeeId''title' => 'getTitle''first_name' => 'getFirstName''last_name' => 'getLastName''date_of_birth' => 'getDateOfBirth''address' => 'getAddress''email' => 'getEmail''gender' => 'getGender''phone_number' => 'getPhoneNumber''start_date' => 'getStartDate''end_date' => 'getEndDate''payroll_calendar_id' => 'getPayrollCalendarId''updated_date_utc' => 'getUpdatedDateUtc''created_date_utc' => 'getCreatedDateUtc'
     ];
 
     /**
@@ -697,6 +634,7 @@ public function setCreatedDateUtc($created_date_utc)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -709,6 +647,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -722,6 +661,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -738,6 +678,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeEarningsTemplates.php b/lib/Models/PayrollNz/EmployeeEarningsTemplates.php
index f19dfdee..809a9b56 100644
--- a/lib/Models/PayrollNz/EmployeeEarningsTemplates.php
+++ b/lib/Models/PayrollNz/EmployeeEarningsTemplates.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeEarningsTemplates Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeEarningsTemplates implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'earning_templates' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplate[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''earning_templates' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplate[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeEarningsTemplates implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'earning_templates' => null
+        'pagination' => null'problem' => null'earning_templates' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'earning_templates' => 'earningTemplates'
+        'pagination' => 'pagination''problem' => 'problem''earning_templates' => 'earningTemplates'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'earning_templates' => 'setEarningTemplates'
+        'pagination' => 'setPagination''problem' => 'setProblem''earning_templates' => 'setEarningTemplates'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'earning_templates' => 'getEarningTemplates'
+        'pagination' => 'getPagination''problem' => 'getProblem''earning_templates' => 'getEarningTemplates'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setEarningTemplates($earning_templates)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeave.php b/lib/Models/PayrollNz/EmployeeLeave.php
index 3e2f436b..08c16ec1 100644
--- a/lib/Models/PayrollNz/EmployeeLeave.php
+++ b/lib/Models/PayrollNz/EmployeeLeave.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeLeave Class Doc Comment
  *
@@ -56,13 +58,7 @@ class EmployeeLeave implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_id' => 'string',
-        'leave_type_id' => 'string',
-        'description' => 'string',
-        'start_date' => '\DateTime',
-        'end_date' => '\DateTime',
-        'periods' => '\XeroAPI\XeroPHP\Models\PayrollNz\LeavePeriod[]',
-        'updated_date_utc' => '\DateTime'
+        'leave_id' => 'string''leave_type_id' => 'string''description' => 'string''start_date' => '\DateTime''end_date' => '\DateTime''periods' => '\XeroAPI\XeroPHP\Models\PayrollNz\LeavePeriod[]''updated_date_utc' => '\DateTime'
     ];
 
     /**
@@ -71,13 +67,7 @@ class EmployeeLeave implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_id' => 'uuid',
-        'leave_type_id' => 'uuid',
-        'description' => null,
-        'start_date' => 'date',
-        'end_date' => 'date',
-        'periods' => null,
-        'updated_date_utc' => 'date-time'
+        'leave_id' => 'uuid''leave_type_id' => 'uuid''description' => null'start_date' => 'date''end_date' => 'date''periods' => null'updated_date_utc' => 'date-time'
     ];
 
     /**
@@ -107,13 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_id' => 'leaveID',
-        'leave_type_id' => 'leaveTypeID',
-        'description' => 'description',
-        'start_date' => 'startDate',
-        'end_date' => 'endDate',
-        'periods' => 'periods',
-        'updated_date_utc' => 'updatedDateUTC'
+        'leave_id' => 'leaveID''leave_type_id' => 'leaveTypeID''description' => 'description''start_date' => 'startDate''end_date' => 'endDate''periods' => 'periods''updated_date_utc' => 'updatedDateUTC'
     ];
 
     /**
@@ -122,13 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_id' => 'setLeaveId',
-        'leave_type_id' => 'setLeaveTypeId',
-        'description' => 'setDescription',
-        'start_date' => 'setStartDate',
-        'end_date' => 'setEndDate',
-        'periods' => 'setPeriods',
-        'updated_date_utc' => 'setUpdatedDateUtc'
+        'leave_id' => 'setLeaveId''leave_type_id' => 'setLeaveTypeId''description' => 'setDescription''start_date' => 'setStartDate''end_date' => 'setEndDate''periods' => 'setPeriods''updated_date_utc' => 'setUpdatedDateUtc'
     ];
 
     /**
@@ -137,13 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_id' => 'getLeaveId',
-        'leave_type_id' => 'getLeaveTypeId',
-        'description' => 'getDescription',
-        'start_date' => 'getStartDate',
-        'end_date' => 'getEndDate',
-        'periods' => 'getPeriods',
-        'updated_date_utc' => 'getUpdatedDateUtc'
+        'leave_id' => 'getLeaveId''leave_type_id' => 'getLeaveTypeId''description' => 'getDescription''start_date' => 'getStartDate''end_date' => 'getEndDate''periods' => 'getPeriods''updated_date_utc' => 'getUpdatedDateUtc'
     ];
 
     /**
@@ -446,6 +418,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -458,6 +431,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -471,6 +445,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -487,6 +462,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeaveBalance.php b/lib/Models/PayrollNz/EmployeeLeaveBalance.php
index 998e52a7..1c83379a 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveBalance.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveBalance.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeLeaveBalance Class Doc Comment
  *
@@ -56,10 +58,7 @@ class EmployeeLeaveBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string',
-        'leave_type_id' => 'string',
-        'balance' => 'double',
-        'type_of_units' => 'string'
+        'name' => 'string''leave_type_id' => 'string''balance' => 'double''type_of_units' => 'string'
     ];
 
     /**
@@ -68,10 +67,7 @@ class EmployeeLeaveBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null,
-        'leave_type_id' => 'uuid',
-        'balance' => 'double',
-        'type_of_units' => null
+        'name' => null'leave_type_id' => 'uuid''balance' => 'double''type_of_units' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'name',
-        'leave_type_id' => 'leaveTypeID',
-        'balance' => 'balance',
-        'type_of_units' => 'typeOfUnits'
+        'name' => 'name''leave_type_id' => 'leaveTypeID''balance' => 'balance''type_of_units' => 'typeOfUnits'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName',
-        'leave_type_id' => 'setLeaveTypeId',
-        'balance' => 'setBalance',
-        'type_of_units' => 'setTypeOfUnits'
+        'name' => 'setName''leave_type_id' => 'setLeaveTypeId''balance' => 'setBalance''type_of_units' => 'setTypeOfUnits'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName',
-        'leave_type_id' => 'getLeaveTypeId',
-        'balance' => 'getBalance',
-        'type_of_units' => 'getTypeOfUnits'
+        'name' => 'getName''leave_type_id' => 'getLeaveTypeId''balance' => 'getBalance''type_of_units' => 'getTypeOfUnits'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setTypeOfUnits($type_of_units)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeaveBalances.php b/lib/Models/PayrollNz/EmployeeLeaveBalances.php
index 8f76fc85..8482e65f 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveBalances.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveBalances.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeLeaveBalances Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeLeaveBalances implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'leave_balances' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveBalance[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''leave_balances' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveBalance[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeLeaveBalances implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'leave_balances' => null
+        'pagination' => null'problem' => null'leave_balances' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'leave_balances' => 'leaveBalances'
+        'pagination' => 'pagination''problem' => 'problem''leave_balances' => 'leaveBalances'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'leave_balances' => 'setLeaveBalances'
+        'pagination' => 'setPagination''problem' => 'setProblem''leave_balances' => 'setLeaveBalances'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'leave_balances' => 'getLeaveBalances'
+        'pagination' => 'getPagination''problem' => 'getProblem''leave_balances' => 'getLeaveBalances'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setLeaveBalances($leave_balances)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeaveObject.php b/lib/Models/PayrollNz/EmployeeLeaveObject.php
index 049ffc24..b4cf87e6 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveObject.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeLeaveObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeLeaveObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'leave' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeave'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''leave' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeave'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeLeaveObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'leave' => null
+        'pagination' => null'problem' => null'leave' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'leave' => 'leave'
+        'pagination' => 'pagination''problem' => 'problem''leave' => 'leave'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'leave' => 'setLeave'
+        'pagination' => 'setPagination''problem' => 'setProblem''leave' => 'setLeave'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'leave' => 'getLeave'
+        'pagination' => 'getPagination''problem' => 'getProblem''leave' => 'getLeave'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setLeave($leave)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeaveSetup.php b/lib/Models/PayrollNz/EmployeeLeaveSetup.php
index 67926d6a..8939cf7a 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveSetup.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveSetup.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeLeaveSetup Class Doc Comment
  *
@@ -56,13 +58,7 @@ class EmployeeLeaveSetup implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'include_holiday_pay' => 'bool',
-        'holiday_pay_opening_balance' => 'double',
-        'annual_leave_opening_balance' => 'double',
-        'negative_annual_leave_balance_paid_amount' => 'double',
-        'sick_leave_hours_to_accrue_annually' => 'double',
-        'sick_leave_maximum_hours_to_accrue' => 'double',
-        'sick_leave_opening_balance' => 'double'
+        'include_holiday_pay' => 'bool''holiday_pay_opening_balance' => 'double''annual_leave_opening_balance' => 'double''negative_annual_leave_balance_paid_amount' => 'double''sick_leave_hours_to_accrue_annually' => 'double''sick_leave_maximum_hours_to_accrue' => 'double''sick_leave_opening_balance' => 'double'
     ];
 
     /**
@@ -71,13 +67,7 @@ class EmployeeLeaveSetup implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'include_holiday_pay' => null,
-        'holiday_pay_opening_balance' => 'double',
-        'annual_leave_opening_balance' => 'double',
-        'negative_annual_leave_balance_paid_amount' => 'double',
-        'sick_leave_hours_to_accrue_annually' => 'double',
-        'sick_leave_maximum_hours_to_accrue' => 'double',
-        'sick_leave_opening_balance' => 'double'
+        'include_holiday_pay' => null'holiday_pay_opening_balance' => 'double''annual_leave_opening_balance' => 'double''negative_annual_leave_balance_paid_amount' => 'double''sick_leave_hours_to_accrue_annually' => 'double''sick_leave_maximum_hours_to_accrue' => 'double''sick_leave_opening_balance' => 'double'
     ];
 
     /**
@@ -107,13 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'include_holiday_pay' => 'includeHolidayPay',
-        'holiday_pay_opening_balance' => 'holidayPayOpeningBalance',
-        'annual_leave_opening_balance' => 'annualLeaveOpeningBalance',
-        'negative_annual_leave_balance_paid_amount' => 'negativeAnnualLeaveBalancePaidAmount',
-        'sick_leave_hours_to_accrue_annually' => 'sickLeaveHoursToAccrueAnnually',
-        'sick_leave_maximum_hours_to_accrue' => 'sickLeaveMaximumHoursToAccrue',
-        'sick_leave_opening_balance' => 'sickLeaveOpeningBalance'
+        'include_holiday_pay' => 'includeHolidayPay''holiday_pay_opening_balance' => 'holidayPayOpeningBalance''annual_leave_opening_balance' => 'annualLeaveOpeningBalance''negative_annual_leave_balance_paid_amount' => 'negativeAnnualLeaveBalancePaidAmount''sick_leave_hours_to_accrue_annually' => 'sickLeaveHoursToAccrueAnnually''sick_leave_maximum_hours_to_accrue' => 'sickLeaveMaximumHoursToAccrue''sick_leave_opening_balance' => 'sickLeaveOpeningBalance'
     ];
 
     /**
@@ -122,13 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'include_holiday_pay' => 'setIncludeHolidayPay',
-        'holiday_pay_opening_balance' => 'setHolidayPayOpeningBalance',
-        'annual_leave_opening_balance' => 'setAnnualLeaveOpeningBalance',
-        'negative_annual_leave_balance_paid_amount' => 'setNegativeAnnualLeaveBalancePaidAmount',
-        'sick_leave_hours_to_accrue_annually' => 'setSickLeaveHoursToAccrueAnnually',
-        'sick_leave_maximum_hours_to_accrue' => 'setSickLeaveMaximumHoursToAccrue',
-        'sick_leave_opening_balance' => 'setSickLeaveOpeningBalance'
+        'include_holiday_pay' => 'setIncludeHolidayPay''holiday_pay_opening_balance' => 'setHolidayPayOpeningBalance''annual_leave_opening_balance' => 'setAnnualLeaveOpeningBalance''negative_annual_leave_balance_paid_amount' => 'setNegativeAnnualLeaveBalancePaidAmount''sick_leave_hours_to_accrue_annually' => 'setSickLeaveHoursToAccrueAnnually''sick_leave_maximum_hours_to_accrue' => 'setSickLeaveMaximumHoursToAccrue''sick_leave_opening_balance' => 'setSickLeaveOpeningBalance'
     ];
 
     /**
@@ -137,13 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'include_holiday_pay' => 'getIncludeHolidayPay',
-        'holiday_pay_opening_balance' => 'getHolidayPayOpeningBalance',
-        'annual_leave_opening_balance' => 'getAnnualLeaveOpeningBalance',
-        'negative_annual_leave_balance_paid_amount' => 'getNegativeAnnualLeaveBalancePaidAmount',
-        'sick_leave_hours_to_accrue_annually' => 'getSickLeaveHoursToAccrueAnnually',
-        'sick_leave_maximum_hours_to_accrue' => 'getSickLeaveMaximumHoursToAccrue',
-        'sick_leave_opening_balance' => 'getSickLeaveOpeningBalance'
+        'include_holiday_pay' => 'getIncludeHolidayPay''holiday_pay_opening_balance' => 'getHolidayPayOpeningBalance''annual_leave_opening_balance' => 'getAnnualLeaveOpeningBalance''negative_annual_leave_balance_paid_amount' => 'getNegativeAnnualLeaveBalancePaidAmount''sick_leave_hours_to_accrue_annually' => 'getSickLeaveHoursToAccrueAnnually''sick_leave_maximum_hours_to_accrue' => 'getSickLeaveMaximumHoursToAccrue''sick_leave_opening_balance' => 'getSickLeaveOpeningBalance'
     ];
 
     /**
@@ -434,6 +406,7 @@ public function setSickLeaveOpeningBalance($sick_leave_opening_balance)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -446,6 +419,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -459,6 +433,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -475,6 +450,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeaveSetupObject.php b/lib/Models/PayrollNz/EmployeeLeaveSetupObject.php
index f2eac9bc..39aba8bd 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveSetupObject.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveSetupObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeLeaveSetupObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeLeaveSetupObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'leave_setup' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveSetup'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''leave_setup' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveSetup'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeLeaveSetupObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'leave_setup' => null
+        'pagination' => null'problem' => null'leave_setup' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'leave_setup' => 'leaveSetup'
+        'pagination' => 'pagination''problem' => 'problem''leave_setup' => 'leaveSetup'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'leave_setup' => 'setLeaveSetup'
+        'pagination' => 'setPagination''problem' => 'setProblem''leave_setup' => 'setLeaveSetup'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'leave_setup' => 'getLeaveSetup'
+        'pagination' => 'getPagination''problem' => 'getProblem''leave_setup' => 'getLeaveSetup'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setLeaveSetup($leave_setup)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeaveType.php b/lib/Models/PayrollNz/EmployeeLeaveType.php
index 44ef8f52..76326492 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveType.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeLeaveType Class Doc Comment
  *
@@ -56,16 +58,7 @@ class EmployeeLeaveType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_type_id' => 'string',
-        'schedule_of_accrual' => 'string',
-        'hours_accrued_annually' => 'double',
-        'maximum_to_accrue' => 'double',
-        'opening_balance' => 'double',
-        'rate_accrued_hourly' => 'double',
-        'percentage_of_gross_earnings' => 'double',
-        'include_holiday_pay_every_pay' => 'bool',
-        'show_annual_leave_in_advance' => 'bool',
-        'annual_leave_total_amount_paid' => 'double'
+        'leave_type_id' => 'string''schedule_of_accrual' => 'string''hours_accrued_annually' => 'double''maximum_to_accrue' => 'double''opening_balance' => 'double''rate_accrued_hourly' => 'double''percentage_of_gross_earnings' => 'double''include_holiday_pay_every_pay' => 'bool''show_annual_leave_in_advance' => 'bool''annual_leave_total_amount_paid' => 'double'
     ];
 
     /**
@@ -74,16 +67,7 @@ class EmployeeLeaveType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_type_id' => 'uuid',
-        'schedule_of_accrual' => null,
-        'hours_accrued_annually' => 'double',
-        'maximum_to_accrue' => 'double',
-        'opening_balance' => 'double',
-        'rate_accrued_hourly' => 'double',
-        'percentage_of_gross_earnings' => 'double',
-        'include_holiday_pay_every_pay' => null,
-        'show_annual_leave_in_advance' => null,
-        'annual_leave_total_amount_paid' => 'double'
+        'leave_type_id' => 'uuid''schedule_of_accrual' => null'hours_accrued_annually' => 'double''maximum_to_accrue' => 'double''opening_balance' => 'double''rate_accrued_hourly' => 'double''percentage_of_gross_earnings' => 'double''include_holiday_pay_every_pay' => null'show_annual_leave_in_advance' => null'annual_leave_total_amount_paid' => 'double'
     ];
 
     /**
@@ -113,16 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_type_id' => 'leaveTypeID',
-        'schedule_of_accrual' => 'scheduleOfAccrual',
-        'hours_accrued_annually' => 'hoursAccruedAnnually',
-        'maximum_to_accrue' => 'maximumToAccrue',
-        'opening_balance' => 'openingBalance',
-        'rate_accrued_hourly' => 'rateAccruedHourly',
-        'percentage_of_gross_earnings' => 'percentageOfGrossEarnings',
-        'include_holiday_pay_every_pay' => 'includeHolidayPayEveryPay',
-        'show_annual_leave_in_advance' => 'showAnnualLeaveInAdvance',
-        'annual_leave_total_amount_paid' => 'annualLeaveTotalAmountPaid'
+        'leave_type_id' => 'leaveTypeID''schedule_of_accrual' => 'scheduleOfAccrual''hours_accrued_annually' => 'hoursAccruedAnnually''maximum_to_accrue' => 'maximumToAccrue''opening_balance' => 'openingBalance''rate_accrued_hourly' => 'rateAccruedHourly''percentage_of_gross_earnings' => 'percentageOfGrossEarnings''include_holiday_pay_every_pay' => 'includeHolidayPayEveryPay''show_annual_leave_in_advance' => 'showAnnualLeaveInAdvance''annual_leave_total_amount_paid' => 'annualLeaveTotalAmountPaid'
     ];
 
     /**
@@ -131,16 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_type_id' => 'setLeaveTypeId',
-        'schedule_of_accrual' => 'setScheduleOfAccrual',
-        'hours_accrued_annually' => 'setHoursAccruedAnnually',
-        'maximum_to_accrue' => 'setMaximumToAccrue',
-        'opening_balance' => 'setOpeningBalance',
-        'rate_accrued_hourly' => 'setRateAccruedHourly',
-        'percentage_of_gross_earnings' => 'setPercentageOfGrossEarnings',
-        'include_holiday_pay_every_pay' => 'setIncludeHolidayPayEveryPay',
-        'show_annual_leave_in_advance' => 'setShowAnnualLeaveInAdvance',
-        'annual_leave_total_amount_paid' => 'setAnnualLeaveTotalAmountPaid'
+        'leave_type_id' => 'setLeaveTypeId''schedule_of_accrual' => 'setScheduleOfAccrual''hours_accrued_annually' => 'setHoursAccruedAnnually''maximum_to_accrue' => 'setMaximumToAccrue''opening_balance' => 'setOpeningBalance''rate_accrued_hourly' => 'setRateAccruedHourly''percentage_of_gross_earnings' => 'setPercentageOfGrossEarnings''include_holiday_pay_every_pay' => 'setIncludeHolidayPayEveryPay''show_annual_leave_in_advance' => 'setShowAnnualLeaveInAdvance''annual_leave_total_amount_paid' => 'setAnnualLeaveTotalAmountPaid'
     ];
 
     /**
@@ -149,16 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_type_id' => 'getLeaveTypeId',
-        'schedule_of_accrual' => 'getScheduleOfAccrual',
-        'hours_accrued_annually' => 'getHoursAccruedAnnually',
-        'maximum_to_accrue' => 'getMaximumToAccrue',
-        'opening_balance' => 'getOpeningBalance',
-        'rate_accrued_hourly' => 'getRateAccruedHourly',
-        'percentage_of_gross_earnings' => 'getPercentageOfGrossEarnings',
-        'include_holiday_pay_every_pay' => 'getIncludeHolidayPayEveryPay',
-        'show_annual_leave_in_advance' => 'getShowAnnualLeaveInAdvance',
-        'annual_leave_total_amount_paid' => 'getAnnualLeaveTotalAmountPaid'
+        'leave_type_id' => 'getLeaveTypeId''schedule_of_accrual' => 'getScheduleOfAccrual''hours_accrued_annually' => 'getHoursAccruedAnnually''maximum_to_accrue' => 'getMaximumToAccrue''opening_balance' => 'getOpeningBalance''rate_accrued_hourly' => 'getRateAccruedHourly''percentage_of_gross_earnings' => 'getPercentageOfGrossEarnings''include_holiday_pay_every_pay' => 'getIncludeHolidayPayEveryPay''show_annual_leave_in_advance' => 'getShowAnnualLeaveInAdvance''annual_leave_total_amount_paid' => 'getAnnualLeaveTotalAmountPaid'
     ];
 
     /**
@@ -569,6 +526,7 @@ public function setAnnualLeaveTotalAmountPaid($annual_leave_total_amount_paid)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -581,6 +539,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -594,6 +553,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -610,6 +570,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeaveTypeObject.php b/lib/Models/PayrollNz/EmployeeLeaveTypeObject.php
index c710d70b..e3dd56c2 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveTypeObject.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveTypeObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeLeaveTypeObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeLeaveTypeObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'leave_type' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveType'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''leave_type' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveType'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeLeaveTypeObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'leave_type' => null
+        'pagination' => null'problem' => null'leave_type' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'leave_type' => 'leaveType'
+        'pagination' => 'pagination''problem' => 'problem''leave_type' => 'leaveType'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'leave_type' => 'setLeaveType'
+        'pagination' => 'setPagination''problem' => 'setProblem''leave_type' => 'setLeaveType'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'leave_type' => 'getLeaveType'
+        'pagination' => 'getPagination''problem' => 'getProblem''leave_type' => 'getLeaveType'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setLeaveType($leave_type)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeaveTypes.php b/lib/Models/PayrollNz/EmployeeLeaveTypes.php
index afd26e94..5e0b964d 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveTypes.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveTypes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeLeaveTypes Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeLeaveTypes implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'leave_types' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveType[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''leave_types' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveType[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeLeaveTypes implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'leave_types' => null
+        'pagination' => null'problem' => null'leave_types' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'leave_types' => 'leaveTypes'
+        'pagination' => 'pagination''problem' => 'problem''leave_types' => 'leaveTypes'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'leave_types' => 'setLeaveTypes'
+        'pagination' => 'setPagination''problem' => 'setProblem''leave_types' => 'setLeaveTypes'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'leave_types' => 'getLeaveTypes'
+        'pagination' => 'getPagination''problem' => 'getProblem''leave_types' => 'getLeaveTypes'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setLeaveTypes($leave_types)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeaves.php b/lib/Models/PayrollNz/EmployeeLeaves.php
index 655507d5..6a3ba67f 100644
--- a/lib/Models/PayrollNz/EmployeeLeaves.php
+++ b/lib/Models/PayrollNz/EmployeeLeaves.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeLeaves Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeLeaves implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'leave' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeave[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''leave' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeave[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeLeaves implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'leave' => null
+        'pagination' => null'problem' => null'leave' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'leave' => 'leave'
+        'pagination' => 'pagination''problem' => 'problem''leave' => 'leave'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'leave' => 'setLeave'
+        'pagination' => 'setPagination''problem' => 'setProblem''leave' => 'setLeave'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'leave' => 'getLeave'
+        'pagination' => 'getPagination''problem' => 'getProblem''leave' => 'getLeave'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setLeave($leave)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeObject.php b/lib/Models/PayrollNz/EmployeeObject.php
index f0e5ee87..e59b2556 100644
--- a/lib/Models/PayrollNz/EmployeeObject.php
+++ b/lib/Models/PayrollNz/EmployeeObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'employee' => '\XeroAPI\XeroPHP\Models\PayrollNz\Employee',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''employee' => '\XeroAPI\XeroPHP\Models\PayrollNz\Employee''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'employee' => null,
-        'problem' => null
+        'pagination' => null'employee' => null'problem' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'employee' => 'employee',
-        'problem' => 'problem'
+        'pagination' => 'pagination''employee' => 'employee''problem' => 'problem'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'employee' => 'setEmployee',
-        'problem' => 'setProblem'
+        'pagination' => 'setPagination''employee' => 'setEmployee''problem' => 'setProblem'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'employee' => 'getEmployee',
-        'problem' => 'getProblem'
+        'pagination' => 'getPagination''employee' => 'getEmployee''problem' => 'getProblem'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setProblem($problem)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeOpeningBalance.php b/lib/Models/PayrollNz/EmployeeOpeningBalance.php
index 6728fbc2..5567271b 100644
--- a/lib/Models/PayrollNz/EmployeeOpeningBalance.php
+++ b/lib/Models/PayrollNz/EmployeeOpeningBalance.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeOpeningBalance Class Doc Comment
  *
@@ -56,10 +58,7 @@ class EmployeeOpeningBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'period_end_date' => '\DateTime',
-        'days_paid' => 'int',
-        'unpaid_weeks' => 'int',
-        'gross_earnings' => 'double'
+        'period_end_date' => '\DateTime''days_paid' => 'int''unpaid_weeks' => 'int''gross_earnings' => 'double'
     ];
 
     /**
@@ -68,10 +67,7 @@ class EmployeeOpeningBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'period_end_date' => 'date',
-        'days_paid' => 'int32',
-        'unpaid_weeks' => 'int32',
-        'gross_earnings' => 'double'
+        'period_end_date' => 'date''days_paid' => 'int32''unpaid_weeks' => 'int32''gross_earnings' => 'double'
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'period_end_date' => 'periodEndDate',
-        'days_paid' => 'daysPaid',
-        'unpaid_weeks' => 'unpaidWeeks',
-        'gross_earnings' => 'grossEarnings'
+        'period_end_date' => 'periodEndDate''days_paid' => 'daysPaid''unpaid_weeks' => 'unpaidWeeks''gross_earnings' => 'grossEarnings'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'period_end_date' => 'setPeriodEndDate',
-        'days_paid' => 'setDaysPaid',
-        'unpaid_weeks' => 'setUnpaidWeeks',
-        'gross_earnings' => 'setGrossEarnings'
+        'period_end_date' => 'setPeriodEndDate''days_paid' => 'setDaysPaid''unpaid_weeks' => 'setUnpaidWeeks''gross_earnings' => 'setGrossEarnings'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'period_end_date' => 'getPeriodEndDate',
-        'days_paid' => 'getDaysPaid',
-        'unpaid_weeks' => 'getUnpaidWeeks',
-        'gross_earnings' => 'getGrossEarnings'
+        'period_end_date' => 'getPeriodEndDate''days_paid' => 'getDaysPaid''unpaid_weeks' => 'getUnpaidWeeks''gross_earnings' => 'getGrossEarnings'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setGrossEarnings($gross_earnings)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeOpeningBalancesObject.php b/lib/Models/PayrollNz/EmployeeOpeningBalancesObject.php
index 3834ea44..1456d9d8 100644
--- a/lib/Models/PayrollNz/EmployeeOpeningBalancesObject.php
+++ b/lib/Models/PayrollNz/EmployeeOpeningBalancesObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeOpeningBalancesObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeOpeningBalancesObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'opening_balances' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeOpeningBalance[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''opening_balances' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeOpeningBalance[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeOpeningBalancesObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'opening_balances' => null
+        'pagination' => null'problem' => null'opening_balances' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'opening_balances' => 'openingBalances'
+        'pagination' => 'pagination''problem' => 'problem''opening_balances' => 'openingBalances'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'opening_balances' => 'setOpeningBalances'
+        'pagination' => 'setPagination''problem' => 'setProblem''opening_balances' => 'setOpeningBalances'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'opening_balances' => 'getOpeningBalances'
+        'pagination' => 'getPagination''problem' => 'getProblem''opening_balances' => 'getOpeningBalances'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setOpeningBalances($opening_balances)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeePayTemplate.php b/lib/Models/PayrollNz/EmployeePayTemplate.php
index 71c89160..4b4614b6 100644
--- a/lib/Models/PayrollNz/EmployeePayTemplate.php
+++ b/lib/Models/PayrollNz/EmployeePayTemplate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeePayTemplate Class Doc Comment
  *
@@ -56,8 +58,7 @@ class EmployeePayTemplate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'employee_id' => 'string',
-        'earning_templates' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplate[]'
+        'employee_id' => 'string''earning_templates' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplate[]'
     ];
 
     /**
@@ -66,8 +67,7 @@ class EmployeePayTemplate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'employee_id' => 'uuid',
-        'earning_templates' => null
+        'employee_id' => 'uuid''earning_templates' => null
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'employee_id' => 'employeeID',
-        'earning_templates' => 'earningTemplates'
+        'employee_id' => 'employeeID''earning_templates' => 'earningTemplates'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'employee_id' => 'setEmployeeId',
-        'earning_templates' => 'setEarningTemplates'
+        'employee_id' => 'setEmployeeId''earning_templates' => 'setEarningTemplates'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'employee_id' => 'getEmployeeId',
-        'earning_templates' => 'getEarningTemplates'
+        'employee_id' => 'getEmployeeId''earning_templates' => 'getEarningTemplates'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setEarningTemplates($earning_templates)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeePayTemplateObject.php b/lib/Models/PayrollNz/EmployeePayTemplateObject.php
index 4418da3d..93e01cb5 100644
--- a/lib/Models/PayrollNz/EmployeePayTemplateObject.php
+++ b/lib/Models/PayrollNz/EmployeePayTemplateObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeePayTemplateObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeePayTemplateObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'pay_template' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeePayTemplate'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''pay_template' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeePayTemplate'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeePayTemplateObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'pay_template' => null
+        'pagination' => null'problem' => null'pay_template' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'pay_template' => 'payTemplate'
+        'pagination' => 'pagination''problem' => 'problem''pay_template' => 'payTemplate'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'pay_template' => 'setPayTemplate'
+        'pagination' => 'setPagination''problem' => 'setProblem''pay_template' => 'setPayTemplate'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'pay_template' => 'getPayTemplate'
+        'pagination' => 'getPagination''problem' => 'getProblem''pay_template' => 'getPayTemplate'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setPayTemplate($pay_template)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeePayTemplates.php b/lib/Models/PayrollNz/EmployeePayTemplates.php
index 0e8c5b32..9ed94646 100644
--- a/lib/Models/PayrollNz/EmployeePayTemplates.php
+++ b/lib/Models/PayrollNz/EmployeePayTemplates.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeePayTemplates Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeePayTemplates implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'pay_template' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeePayTemplate'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''pay_template' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeePayTemplate'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeePayTemplates implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'pay_template' => null
+        'pagination' => null'problem' => null'pay_template' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'pay_template' => 'payTemplate'
+        'pagination' => 'pagination''problem' => 'problem''pay_template' => 'payTemplate'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'pay_template' => 'setPayTemplate'
+        'pagination' => 'setPagination''problem' => 'setProblem''pay_template' => 'setPayTemplate'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'pay_template' => 'getPayTemplate'
+        'pagination' => 'getPagination''problem' => 'getProblem''pay_template' => 'getPayTemplate'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setPayTemplate($pay_template)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalance.php b/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalance.php
index 174d59be..29e36c22 100644
--- a/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalance.php
+++ b/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalance.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeStatutoryLeaveBalance Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeStatutoryLeaveBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_type' => 'string',
-        'balance_remaining' => 'double',
-        'units' => 'string'
+        'leave_type' => 'string''balance_remaining' => 'double''units' => 'string'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeStatutoryLeaveBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_type' => null,
-        'balance_remaining' => 'double',
-        'units' => null
+        'leave_type' => null'balance_remaining' => 'double''units' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_type' => 'leaveType',
-        'balance_remaining' => 'balanceRemaining',
-        'units' => 'units'
+        'leave_type' => 'leaveType''balance_remaining' => 'balanceRemaining''units' => 'units'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_type' => 'setLeaveType',
-        'balance_remaining' => 'setBalanceRemaining',
-        'units' => 'setUnits'
+        'leave_type' => 'setLeaveType''balance_remaining' => 'setBalanceRemaining''units' => 'setUnits'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_type' => 'getLeaveType',
-        'balance_remaining' => 'getBalanceRemaining',
-        'units' => 'getUnits'
+        'leave_type' => 'getLeaveType''balance_remaining' => 'getBalanceRemaining''units' => 'getUnits'
     ];
 
     /**
@@ -370,6 +362,7 @@ public function setUnits($units)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -382,6 +375,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -395,6 +389,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -411,6 +406,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalanceObject.php b/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalanceObject.php
index 8397c0d3..5c81b247 100644
--- a/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalanceObject.php
+++ b/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalanceObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeStatutoryLeaveBalanceObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeStatutoryLeaveBalanceObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'leave_balance' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeStatutoryLeaveBalance'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''leave_balance' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeStatutoryLeaveBalance'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeStatutoryLeaveBalanceObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'leave_balance' => null
+        'pagination' => null'problem' => null'leave_balance' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'leave_balance' => 'leaveBalance'
+        'pagination' => 'pagination''problem' => 'problem''leave_balance' => 'leaveBalance'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'leave_balance' => 'setLeaveBalance'
+        'pagination' => 'setPagination''problem' => 'setProblem''leave_balance' => 'setLeaveBalance'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'leave_balance' => 'getLeaveBalance'
+        'pagination' => 'getPagination''problem' => 'getProblem''leave_balance' => 'getLeaveBalance'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setLeaveBalance($leave_balance)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeStatutoryLeaveSummary.php b/lib/Models/PayrollNz/EmployeeStatutoryLeaveSummary.php
index abe50c4a..b66297ee 100644
--- a/lib/Models/PayrollNz/EmployeeStatutoryLeaveSummary.php
+++ b/lib/Models/PayrollNz/EmployeeStatutoryLeaveSummary.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeStatutoryLeaveSummary Class Doc Comment
  *
@@ -56,13 +58,7 @@ class EmployeeStatutoryLeaveSummary implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'statutory_leave_id' => 'string',
-        'employee_id' => 'string',
-        'type' => 'string',
-        'start_date' => '\DateTime',
-        'end_date' => '\DateTime',
-        'is_entitled' => 'bool',
-        'status' => 'string'
+        'statutory_leave_id' => 'string''employee_id' => 'string''type' => 'string''start_date' => '\DateTime''end_date' => '\DateTime''is_entitled' => 'bool''status' => 'string'
     ];
 
     /**
@@ -71,13 +67,7 @@ class EmployeeStatutoryLeaveSummary implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'statutory_leave_id' => 'uuid',
-        'employee_id' => 'uuid',
-        'type' => null,
-        'start_date' => 'date',
-        'end_date' => 'date',
-        'is_entitled' => null,
-        'status' => null
+        'statutory_leave_id' => 'uuid''employee_id' => 'uuid''type' => null'start_date' => 'date''end_date' => 'date''is_entitled' => null'status' => null
     ];
 
     /**
@@ -107,13 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'statutory_leave_id' => 'statutoryLeaveID',
-        'employee_id' => 'employeeID',
-        'type' => 'type',
-        'start_date' => 'startDate',
-        'end_date' => 'endDate',
-        'is_entitled' => 'isEntitled',
-        'status' => 'status'
+        'statutory_leave_id' => 'statutoryLeaveID''employee_id' => 'employeeID''type' => 'type''start_date' => 'startDate''end_date' => 'endDate''is_entitled' => 'isEntitled''status' => 'status'
     ];
 
     /**
@@ -122,13 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'statutory_leave_id' => 'setStatutoryLeaveId',
-        'employee_id' => 'setEmployeeId',
-        'type' => 'setType',
-        'start_date' => 'setStartDate',
-        'end_date' => 'setEndDate',
-        'is_entitled' => 'setIsEntitled',
-        'status' => 'setStatus'
+        'statutory_leave_id' => 'setStatutoryLeaveId''employee_id' => 'setEmployeeId''type' => 'setType''start_date' => 'setStartDate''end_date' => 'setEndDate''is_entitled' => 'setIsEntitled''status' => 'setStatus'
     ];
 
     /**
@@ -137,13 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'statutory_leave_id' => 'getStatutoryLeaveId',
-        'employee_id' => 'getEmployeeId',
-        'type' => 'getType',
-        'start_date' => 'getStartDate',
-        'end_date' => 'getEndDate',
-        'is_entitled' => 'getIsEntitled',
-        'status' => 'getStatus'
+        'statutory_leave_id' => 'getStatutoryLeaveId''employee_id' => 'getEmployeeId''type' => 'getType''start_date' => 'getStartDate''end_date' => 'getEndDate''is_entitled' => 'getIsEntitled''status' => 'getStatus'
     ];
 
     /**
@@ -506,6 +478,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -518,6 +491,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -531,6 +505,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -547,6 +522,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeStatutoryLeavesSummaries.php b/lib/Models/PayrollNz/EmployeeStatutoryLeavesSummaries.php
index 9fad78c6..35656503 100644
--- a/lib/Models/PayrollNz/EmployeeStatutoryLeavesSummaries.php
+++ b/lib/Models/PayrollNz/EmployeeStatutoryLeavesSummaries.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeStatutoryLeavesSummaries Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeStatutoryLeavesSummaries implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'statutory_leaves' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeStatutoryLeaveSummary[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''statutory_leaves' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeStatutoryLeaveSummary[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeStatutoryLeavesSummaries implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'statutory_leaves' => null
+        'pagination' => null'problem' => null'statutory_leaves' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'statutory_leaves' => 'statutoryLeaves'
+        'pagination' => 'pagination''problem' => 'problem''statutory_leaves' => 'statutoryLeaves'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'statutory_leaves' => 'setStatutoryLeaves'
+        'pagination' => 'setPagination''problem' => 'setProblem''statutory_leaves' => 'setStatutoryLeaves'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'statutory_leaves' => 'getStatutoryLeaves'
+        'pagination' => 'getPagination''problem' => 'getProblem''statutory_leaves' => 'getStatutoryLeaves'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setStatutoryLeaves($statutory_leaves)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeStatutorySickLeave.php b/lib/Models/PayrollNz/EmployeeStatutorySickLeave.php
index ab79a5c4..b5bf734d 100644
--- a/lib/Models/PayrollNz/EmployeeStatutorySickLeave.php
+++ b/lib/Models/PayrollNz/EmployeeStatutorySickLeave.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeStatutorySickLeave Class Doc Comment
  *
@@ -56,22 +58,7 @@ class EmployeeStatutorySickLeave implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'statutory_leave_id' => 'string',
-        'employee_id' => 'string',
-        'leave_type_id' => 'string',
-        'start_date' => '\DateTime',
-        'end_date' => '\DateTime',
-        'type' => 'string',
-        'status' => 'string',
-        'work_pattern' => 'string[]',
-        'is_pregnancy_related' => 'bool',
-        'sufficient_notice' => 'bool',
-        'is_entitled' => 'bool',
-        'entitlement_weeks_requested' => 'double',
-        'entitlement_weeks_qualified' => 'double',
-        'entitlement_weeks_remaining' => 'double',
-        'overlaps_with_other_leave' => 'bool',
-        'entitlement_failure_reasons' => 'string[]'
+        'statutory_leave_id' => 'string''employee_id' => 'string''leave_type_id' => 'string''start_date' => '\DateTime''end_date' => '\DateTime''type' => 'string''status' => 'string''work_pattern' => 'string[]''is_pregnancy_related' => 'bool''sufficient_notice' => 'bool''is_entitled' => 'bool''entitlement_weeks_requested' => 'double''entitlement_weeks_qualified' => 'double''entitlement_weeks_remaining' => 'double''overlaps_with_other_leave' => 'bool''entitlement_failure_reasons' => 'string[]'
     ];
 
     /**
@@ -80,22 +67,7 @@ class EmployeeStatutorySickLeave implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'statutory_leave_id' => 'uuid',
-        'employee_id' => 'uuid',
-        'leave_type_id' => 'uuid',
-        'start_date' => 'date',
-        'end_date' => 'date',
-        'type' => null,
-        'status' => null,
-        'work_pattern' => null,
-        'is_pregnancy_related' => null,
-        'sufficient_notice' => null,
-        'is_entitled' => null,
-        'entitlement_weeks_requested' => 'double',
-        'entitlement_weeks_qualified' => 'double',
-        'entitlement_weeks_remaining' => 'double',
-        'overlaps_with_other_leave' => null,
-        'entitlement_failure_reasons' => null
+        'statutory_leave_id' => 'uuid''employee_id' => 'uuid''leave_type_id' => 'uuid''start_date' => 'date''end_date' => 'date''type' => null'status' => null'work_pattern' => null'is_pregnancy_related' => null'sufficient_notice' => null'is_entitled' => null'entitlement_weeks_requested' => 'double''entitlement_weeks_qualified' => 'double''entitlement_weeks_remaining' => 'double''overlaps_with_other_leave' => null'entitlement_failure_reasons' => null
     ];
 
     /**
@@ -125,22 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'statutory_leave_id' => 'statutoryLeaveID',
-        'employee_id' => 'employeeID',
-        'leave_type_id' => 'leaveTypeID',
-        'start_date' => 'startDate',
-        'end_date' => 'endDate',
-        'type' => 'type',
-        'status' => 'status',
-        'work_pattern' => 'workPattern',
-        'is_pregnancy_related' => 'isPregnancyRelated',
-        'sufficient_notice' => 'sufficientNotice',
-        'is_entitled' => 'isEntitled',
-        'entitlement_weeks_requested' => 'entitlementWeeksRequested',
-        'entitlement_weeks_qualified' => 'entitlementWeeksQualified',
-        'entitlement_weeks_remaining' => 'entitlementWeeksRemaining',
-        'overlaps_with_other_leave' => 'overlapsWithOtherLeave',
-        'entitlement_failure_reasons' => 'entitlementFailureReasons'
+        'statutory_leave_id' => 'statutoryLeaveID''employee_id' => 'employeeID''leave_type_id' => 'leaveTypeID''start_date' => 'startDate''end_date' => 'endDate''type' => 'type''status' => 'status''work_pattern' => 'workPattern''is_pregnancy_related' => 'isPregnancyRelated''sufficient_notice' => 'sufficientNotice''is_entitled' => 'isEntitled''entitlement_weeks_requested' => 'entitlementWeeksRequested''entitlement_weeks_qualified' => 'entitlementWeeksQualified''entitlement_weeks_remaining' => 'entitlementWeeksRemaining''overlaps_with_other_leave' => 'overlapsWithOtherLeave''entitlement_failure_reasons' => 'entitlementFailureReasons'
     ];
 
     /**
@@ -149,22 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'statutory_leave_id' => 'setStatutoryLeaveId',
-        'employee_id' => 'setEmployeeId',
-        'leave_type_id' => 'setLeaveTypeId',
-        'start_date' => 'setStartDate',
-        'end_date' => 'setEndDate',
-        'type' => 'setType',
-        'status' => 'setStatus',
-        'work_pattern' => 'setWorkPattern',
-        'is_pregnancy_related' => 'setIsPregnancyRelated',
-        'sufficient_notice' => 'setSufficientNotice',
-        'is_entitled' => 'setIsEntitled',
-        'entitlement_weeks_requested' => 'setEntitlementWeeksRequested',
-        'entitlement_weeks_qualified' => 'setEntitlementWeeksQualified',
-        'entitlement_weeks_remaining' => 'setEntitlementWeeksRemaining',
-        'overlaps_with_other_leave' => 'setOverlapsWithOtherLeave',
-        'entitlement_failure_reasons' => 'setEntitlementFailureReasons'
+        'statutory_leave_id' => 'setStatutoryLeaveId''employee_id' => 'setEmployeeId''leave_type_id' => 'setLeaveTypeId''start_date' => 'setStartDate''end_date' => 'setEndDate''type' => 'setType''status' => 'setStatus''work_pattern' => 'setWorkPattern''is_pregnancy_related' => 'setIsPregnancyRelated''sufficient_notice' => 'setSufficientNotice''is_entitled' => 'setIsEntitled''entitlement_weeks_requested' => 'setEntitlementWeeksRequested''entitlement_weeks_qualified' => 'setEntitlementWeeksQualified''entitlement_weeks_remaining' => 'setEntitlementWeeksRemaining''overlaps_with_other_leave' => 'setOverlapsWithOtherLeave''entitlement_failure_reasons' => 'setEntitlementFailureReasons'
     ];
 
     /**
@@ -173,22 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'statutory_leave_id' => 'getStatutoryLeaveId',
-        'employee_id' => 'getEmployeeId',
-        'leave_type_id' => 'getLeaveTypeId',
-        'start_date' => 'getStartDate',
-        'end_date' => 'getEndDate',
-        'type' => 'getType',
-        'status' => 'getStatus',
-        'work_pattern' => 'getWorkPattern',
-        'is_pregnancy_related' => 'getIsPregnancyRelated',
-        'sufficient_notice' => 'getSufficientNotice',
-        'is_entitled' => 'getIsEntitled',
-        'entitlement_weeks_requested' => 'getEntitlementWeeksRequested',
-        'entitlement_weeks_qualified' => 'getEntitlementWeeksQualified',
-        'entitlement_weeks_remaining' => 'getEntitlementWeeksRemaining',
-        'overlaps_with_other_leave' => 'getOverlapsWithOtherLeave',
-        'entitlement_failure_reasons' => 'getEntitlementFailureReasons'
+        'statutory_leave_id' => 'getStatutoryLeaveId''employee_id' => 'getEmployeeId''leave_type_id' => 'getLeaveTypeId''start_date' => 'getStartDate''end_date' => 'getEndDate''type' => 'getType''status' => 'getStatus''work_pattern' => 'getWorkPattern''is_pregnancy_related' => 'getIsPregnancyRelated''sufficient_notice' => 'getSufficientNotice''is_entitled' => 'getIsEntitled''entitlement_weeks_requested' => 'getEntitlementWeeksRequested''entitlement_weeks_qualified' => 'getEntitlementWeeksQualified''entitlement_weeks_remaining' => 'getEntitlementWeeksRemaining''overlaps_with_other_leave' => 'getOverlapsWithOtherLeave''entitlement_failure_reasons' => 'getEntitlementFailureReasons'
     ];
 
     /**
@@ -784,6 +711,7 @@ public function setEntitlementFailureReasons($entitlement_failure_reasons)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -796,6 +724,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -809,6 +738,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -825,6 +755,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeStatutorySickLeaveObject.php b/lib/Models/PayrollNz/EmployeeStatutorySickLeaveObject.php
index 0644c7a3..d25d8033 100644
--- a/lib/Models/PayrollNz/EmployeeStatutorySickLeaveObject.php
+++ b/lib/Models/PayrollNz/EmployeeStatutorySickLeaveObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeStatutorySickLeaveObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeStatutorySickLeaveObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'statutory_sick_leave' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeStatutorySickLeave'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''statutory_sick_leave' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeStatutorySickLeave'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeStatutorySickLeaveObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'statutory_sick_leave' => null
+        'pagination' => null'problem' => null'statutory_sick_leave' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'statutory_sick_leave' => 'statutorySickLeave'
+        'pagination' => 'pagination''problem' => 'problem''statutory_sick_leave' => 'statutorySickLeave'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'statutory_sick_leave' => 'setStatutorySickLeave'
+        'pagination' => 'setPagination''problem' => 'setProblem''statutory_sick_leave' => 'setStatutorySickLeave'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'statutory_sick_leave' => 'getStatutorySickLeave'
+        'pagination' => 'getPagination''problem' => 'getProblem''statutory_sick_leave' => 'getStatutorySickLeave'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setStatutorySickLeave($statutory_sick_leave)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeStatutorySickLeaves.php b/lib/Models/PayrollNz/EmployeeStatutorySickLeaves.php
index 1200b354..42a6c4a4 100644
--- a/lib/Models/PayrollNz/EmployeeStatutorySickLeaves.php
+++ b/lib/Models/PayrollNz/EmployeeStatutorySickLeaves.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeStatutorySickLeaves Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeStatutorySickLeaves implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'statutory_sick_leave' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeStatutorySickLeave[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''statutory_sick_leave' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeStatutorySickLeave[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeStatutorySickLeaves implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'statutory_sick_leave' => null
+        'pagination' => null'problem' => null'statutory_sick_leave' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'statutory_sick_leave' => 'statutorySickLeave'
+        'pagination' => 'pagination''problem' => 'problem''statutory_sick_leave' => 'statutorySickLeave'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'statutory_sick_leave' => 'setStatutorySickLeave'
+        'pagination' => 'setPagination''problem' => 'setProblem''statutory_sick_leave' => 'setStatutorySickLeave'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'statutory_sick_leave' => 'getStatutorySickLeave'
+        'pagination' => 'getPagination''problem' => 'getProblem''statutory_sick_leave' => 'getStatutorySickLeave'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setStatutorySickLeave($statutory_sick_leave)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeTax.php b/lib/Models/PayrollNz/EmployeeTax.php
index 0efea956..aec8e1c9 100644
--- a/lib/Models/PayrollNz/EmployeeTax.php
+++ b/lib/Models/PayrollNz/EmployeeTax.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeTax Class Doc Comment
  *
@@ -56,22 +58,7 @@ class EmployeeTax implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'ird_number' => 'string',
-        'tax_code' => '\XeroAPI\XeroPHP\Models\PayrollNz\TaxCode',
-        'special_tax_rate_percentage' => 'double',
-        'has_special_student_loan_rate' => 'bool',
-        'special_student_loan_rate_percentage' => 'double',
-        'is_eligible_for_kiwi_saver' => 'bool',
-        'esct_rate_percentage' => 'double',
-        'kiwi_saver_contributions' => 'string',
-        'kiwi_saver_employee_contribution_rate_percentage' => 'double',
-        'kiwi_saver_employer_contribution_rate_percentage' => 'double',
-        'kiwi_saver_employer_salary_sacrifice_contribution_rate_percentage' => 'double',
-        'kiwi_saver_opt_out_date' => '\DateTime',
-        'kiwi_saver_contribution_holiday_end_date' => '\DateTime',
-        'has_student_loan_balance' => 'bool',
-        'student_loan_balance' => 'double',
-        'student_loan_as_at' => '\DateTime'
+        'ird_number' => 'string''tax_code' => '\XeroAPI\XeroPHP\Models\PayrollNz\TaxCode''special_tax_rate_percentage' => 'double''has_special_student_loan_rate' => 'bool''special_student_loan_rate_percentage' => 'double''is_eligible_for_kiwi_saver' => 'bool''esct_rate_percentage' => 'double''kiwi_saver_contributions' => 'string''kiwi_saver_employee_contribution_rate_percentage' => 'double''kiwi_saver_employer_contribution_rate_percentage' => 'double''kiwi_saver_employer_salary_sacrifice_contribution_rate_percentage' => 'double''kiwi_saver_opt_out_date' => '\DateTime''kiwi_saver_contribution_holiday_end_date' => '\DateTime''has_student_loan_balance' => 'bool''student_loan_balance' => 'double''student_loan_as_at' => '\DateTime'
     ];
 
     /**
@@ -80,22 +67,7 @@ class EmployeeTax implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'ird_number' => null,
-        'tax_code' => null,
-        'special_tax_rate_percentage' => 'double',
-        'has_special_student_loan_rate' => null,
-        'special_student_loan_rate_percentage' => 'double',
-        'is_eligible_for_kiwi_saver' => null,
-        'esct_rate_percentage' => 'double',
-        'kiwi_saver_contributions' => null,
-        'kiwi_saver_employee_contribution_rate_percentage' => 'double',
-        'kiwi_saver_employer_contribution_rate_percentage' => 'double',
-        'kiwi_saver_employer_salary_sacrifice_contribution_rate_percentage' => 'double',
-        'kiwi_saver_opt_out_date' => 'date',
-        'kiwi_saver_contribution_holiday_end_date' => 'date',
-        'has_student_loan_balance' => null,
-        'student_loan_balance' => 'double',
-        'student_loan_as_at' => 'date'
+        'ird_number' => null'tax_code' => null'special_tax_rate_percentage' => 'double''has_special_student_loan_rate' => null'special_student_loan_rate_percentage' => 'double''is_eligible_for_kiwi_saver' => null'esct_rate_percentage' => 'double''kiwi_saver_contributions' => null'kiwi_saver_employee_contribution_rate_percentage' => 'double''kiwi_saver_employer_contribution_rate_percentage' => 'double''kiwi_saver_employer_salary_sacrifice_contribution_rate_percentage' => 'double''kiwi_saver_opt_out_date' => 'date''kiwi_saver_contribution_holiday_end_date' => 'date''has_student_loan_balance' => null'student_loan_balance' => 'double''student_loan_as_at' => 'date'
     ];
 
     /**
@@ -125,22 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'ird_number' => 'irdNumber',
-        'tax_code' => 'taxCode',
-        'special_tax_rate_percentage' => 'specialTaxRatePercentage',
-        'has_special_student_loan_rate' => 'hasSpecialStudentLoanRate',
-        'special_student_loan_rate_percentage' => 'specialStudentLoanRatePercentage',
-        'is_eligible_for_kiwi_saver' => 'isEligibleForKiwiSaver',
-        'esct_rate_percentage' => 'esctRatePercentage',
-        'kiwi_saver_contributions' => 'kiwiSaverContributions',
-        'kiwi_saver_employee_contribution_rate_percentage' => 'kiwiSaverEmployeeContributionRatePercentage',
-        'kiwi_saver_employer_contribution_rate_percentage' => 'kiwiSaverEmployerContributionRatePercentage',
-        'kiwi_saver_employer_salary_sacrifice_contribution_rate_percentage' => 'kiwiSaverEmployerSalarySacrificeContributionRatePercentage',
-        'kiwi_saver_opt_out_date' => 'kiwiSaverOptOutDate',
-        'kiwi_saver_contribution_holiday_end_date' => 'kiwiSaverContributionHolidayEndDate',
-        'has_student_loan_balance' => 'hasStudentLoanBalance',
-        'student_loan_balance' => 'studentLoanBalance',
-        'student_loan_as_at' => 'studentLoanAsAt'
+        'ird_number' => 'irdNumber''tax_code' => 'taxCode''special_tax_rate_percentage' => 'specialTaxRatePercentage''has_special_student_loan_rate' => 'hasSpecialStudentLoanRate''special_student_loan_rate_percentage' => 'specialStudentLoanRatePercentage''is_eligible_for_kiwi_saver' => 'isEligibleForKiwiSaver''esct_rate_percentage' => 'esctRatePercentage''kiwi_saver_contributions' => 'kiwiSaverContributions''kiwi_saver_employee_contribution_rate_percentage' => 'kiwiSaverEmployeeContributionRatePercentage''kiwi_saver_employer_contribution_rate_percentage' => 'kiwiSaverEmployerContributionRatePercentage''kiwi_saver_employer_salary_sacrifice_contribution_rate_percentage' => 'kiwiSaverEmployerSalarySacrificeContributionRatePercentage''kiwi_saver_opt_out_date' => 'kiwiSaverOptOutDate''kiwi_saver_contribution_holiday_end_date' => 'kiwiSaverContributionHolidayEndDate''has_student_loan_balance' => 'hasStudentLoanBalance''student_loan_balance' => 'studentLoanBalance''student_loan_as_at' => 'studentLoanAsAt'
     ];
 
     /**
@@ -149,22 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'ird_number' => 'setIrdNumber',
-        'tax_code' => 'setTaxCode',
-        'special_tax_rate_percentage' => 'setSpecialTaxRatePercentage',
-        'has_special_student_loan_rate' => 'setHasSpecialStudentLoanRate',
-        'special_student_loan_rate_percentage' => 'setSpecialStudentLoanRatePercentage',
-        'is_eligible_for_kiwi_saver' => 'setIsEligibleForKiwiSaver',
-        'esct_rate_percentage' => 'setEsctRatePercentage',
-        'kiwi_saver_contributions' => 'setKiwiSaverContributions',
-        'kiwi_saver_employee_contribution_rate_percentage' => 'setKiwiSaverEmployeeContributionRatePercentage',
-        'kiwi_saver_employer_contribution_rate_percentage' => 'setKiwiSaverEmployerContributionRatePercentage',
-        'kiwi_saver_employer_salary_sacrifice_contribution_rate_percentage' => 'setKiwiSaverEmployerSalarySacrificeContributionRatePercentage',
-        'kiwi_saver_opt_out_date' => 'setKiwiSaverOptOutDate',
-        'kiwi_saver_contribution_holiday_end_date' => 'setKiwiSaverContributionHolidayEndDate',
-        'has_student_loan_balance' => 'setHasStudentLoanBalance',
-        'student_loan_balance' => 'setStudentLoanBalance',
-        'student_loan_as_at' => 'setStudentLoanAsAt'
+        'ird_number' => 'setIrdNumber''tax_code' => 'setTaxCode''special_tax_rate_percentage' => 'setSpecialTaxRatePercentage''has_special_student_loan_rate' => 'setHasSpecialStudentLoanRate''special_student_loan_rate_percentage' => 'setSpecialStudentLoanRatePercentage''is_eligible_for_kiwi_saver' => 'setIsEligibleForKiwiSaver''esct_rate_percentage' => 'setEsctRatePercentage''kiwi_saver_contributions' => 'setKiwiSaverContributions''kiwi_saver_employee_contribution_rate_percentage' => 'setKiwiSaverEmployeeContributionRatePercentage''kiwi_saver_employer_contribution_rate_percentage' => 'setKiwiSaverEmployerContributionRatePercentage''kiwi_saver_employer_salary_sacrifice_contribution_rate_percentage' => 'setKiwiSaverEmployerSalarySacrificeContributionRatePercentage''kiwi_saver_opt_out_date' => 'setKiwiSaverOptOutDate''kiwi_saver_contribution_holiday_end_date' => 'setKiwiSaverContributionHolidayEndDate''has_student_loan_balance' => 'setHasStudentLoanBalance''student_loan_balance' => 'setStudentLoanBalance''student_loan_as_at' => 'setStudentLoanAsAt'
     ];
 
     /**
@@ -173,22 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'ird_number' => 'getIrdNumber',
-        'tax_code' => 'getTaxCode',
-        'special_tax_rate_percentage' => 'getSpecialTaxRatePercentage',
-        'has_special_student_loan_rate' => 'getHasSpecialStudentLoanRate',
-        'special_student_loan_rate_percentage' => 'getSpecialStudentLoanRatePercentage',
-        'is_eligible_for_kiwi_saver' => 'getIsEligibleForKiwiSaver',
-        'esct_rate_percentage' => 'getEsctRatePercentage',
-        'kiwi_saver_contributions' => 'getKiwiSaverContributions',
-        'kiwi_saver_employee_contribution_rate_percentage' => 'getKiwiSaverEmployeeContributionRatePercentage',
-        'kiwi_saver_employer_contribution_rate_percentage' => 'getKiwiSaverEmployerContributionRatePercentage',
-        'kiwi_saver_employer_salary_sacrifice_contribution_rate_percentage' => 'getKiwiSaverEmployerSalarySacrificeContributionRatePercentage',
-        'kiwi_saver_opt_out_date' => 'getKiwiSaverOptOutDate',
-        'kiwi_saver_contribution_holiday_end_date' => 'getKiwiSaverContributionHolidayEndDate',
-        'has_student_loan_balance' => 'getHasStudentLoanBalance',
-        'student_loan_balance' => 'getStudentLoanBalance',
-        'student_loan_as_at' => 'getStudentLoanAsAt'
+        'ird_number' => 'getIrdNumber''tax_code' => 'getTaxCode''special_tax_rate_percentage' => 'getSpecialTaxRatePercentage''has_special_student_loan_rate' => 'getHasSpecialStudentLoanRate''special_student_loan_rate_percentage' => 'getSpecialStudentLoanRatePercentage''is_eligible_for_kiwi_saver' => 'getIsEligibleForKiwiSaver''esct_rate_percentage' => 'getEsctRatePercentage''kiwi_saver_contributions' => 'getKiwiSaverContributions''kiwi_saver_employee_contribution_rate_percentage' => 'getKiwiSaverEmployeeContributionRatePercentage''kiwi_saver_employer_contribution_rate_percentage' => 'getKiwiSaverEmployerContributionRatePercentage''kiwi_saver_employer_salary_sacrifice_contribution_rate_percentage' => 'getKiwiSaverEmployerSalarySacrificeContributionRatePercentage''kiwi_saver_opt_out_date' => 'getKiwiSaverOptOutDate''kiwi_saver_contribution_holiday_end_date' => 'getKiwiSaverContributionHolidayEndDate''has_student_loan_balance' => 'getHasStudentLoanBalance''student_loan_balance' => 'getStudentLoanBalance''student_loan_as_at' => 'getStudentLoanAsAt'
     ];
 
     /**
@@ -769,6 +696,7 @@ public function setStudentLoanAsAt($student_loan_as_at)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -781,6 +709,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -794,6 +723,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -810,6 +740,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeTaxObject.php b/lib/Models/PayrollNz/EmployeeTaxObject.php
index b71d92de..7dad3ba7 100644
--- a/lib/Models/PayrollNz/EmployeeTaxObject.php
+++ b/lib/Models/PayrollNz/EmployeeTaxObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeTaxObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeTaxObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'employee_tax' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeTax'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''employee_tax' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeTax'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeTaxObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'employee_tax' => null
+        'pagination' => null'problem' => null'employee_tax' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'employee_tax' => 'employeeTax'
+        'pagination' => 'pagination''problem' => 'problem''employee_tax' => 'employeeTax'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'employee_tax' => 'setEmployeeTax'
+        'pagination' => 'setPagination''problem' => 'setProblem''employee_tax' => 'setEmployeeTax'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'employee_tax' => 'getEmployeeTax'
+        'pagination' => 'getPagination''problem' => 'getProblem''employee_tax' => 'getEmployeeTax'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setEmployeeTax($employee_tax)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Employees.php b/lib/Models/PayrollNz/Employees.php
index 4e4312ec..dd544161 100644
--- a/lib/Models/PayrollNz/Employees.php
+++ b/lib/Models/PayrollNz/Employees.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Employees Class Doc Comment
  *
@@ -56,9 +58,7 @@ class Employees implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'employees' => '\XeroAPI\XeroPHP\Models\PayrollNz\Employee[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''employees' => '\XeroAPI\XeroPHP\Models\PayrollNz\Employee[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class Employees implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'employees' => null
+        'pagination' => null'problem' => null'employees' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'employees' => 'employees'
+        'pagination' => 'pagination''problem' => 'problem''employees' => 'employees'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'employees' => 'setEmployees'
+        'pagination' => 'setPagination''problem' => 'setProblem''employees' => 'setEmployees'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'employees' => 'getEmployees'
+        'pagination' => 'getPagination''problem' => 'getProblem''employees' => 'getEmployees'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setEmployees($employees)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Employment.php b/lib/Models/PayrollNz/Employment.php
index 8f2a816c..c0b5f683 100644
--- a/lib/Models/PayrollNz/Employment.php
+++ b/lib/Models/PayrollNz/Employment.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Employment Class Doc Comment
  *
@@ -56,9 +58,7 @@ class Employment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'payroll_calendar_id' => 'string',
-        'pay_run_calendar_id' => 'string',
-        'start_date' => '\DateTime'
+        'payroll_calendar_id' => 'string''pay_run_calendar_id' => 'string''start_date' => '\DateTime'
     ];
 
     /**
@@ -67,9 +67,7 @@ class Employment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'payroll_calendar_id' => 'uuid',
-        'pay_run_calendar_id' => 'uuid',
-        'start_date' => 'date'
+        'payroll_calendar_id' => 'uuid''pay_run_calendar_id' => 'uuid''start_date' => 'date'
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'payroll_calendar_id' => 'payrollCalendarID',
-        'pay_run_calendar_id' => 'payRunCalendarID',
-        'start_date' => 'startDate'
+        'payroll_calendar_id' => 'payrollCalendarID''pay_run_calendar_id' => 'payRunCalendarID''start_date' => 'startDate'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'payroll_calendar_id' => 'setPayrollCalendarId',
-        'pay_run_calendar_id' => 'setPayRunCalendarId',
-        'start_date' => 'setStartDate'
+        'payroll_calendar_id' => 'setPayrollCalendarId''pay_run_calendar_id' => 'setPayRunCalendarId''start_date' => 'setStartDate'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'payroll_calendar_id' => 'getPayrollCalendarId',
-        'pay_run_calendar_id' => 'getPayRunCalendarId',
-        'start_date' => 'getStartDate'
+        'payroll_calendar_id' => 'getPayrollCalendarId''pay_run_calendar_id' => 'getPayRunCalendarId''start_date' => 'getStartDate'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setStartDate($start_date)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmploymentObject.php b/lib/Models/PayrollNz/EmploymentObject.php
index 888eec94..21fc71e2 100644
--- a/lib/Models/PayrollNz/EmploymentObject.php
+++ b/lib/Models/PayrollNz/EmploymentObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmploymentObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmploymentObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'employment' => '\XeroAPI\XeroPHP\Models\PayrollNz\Employment'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''employment' => '\XeroAPI\XeroPHP\Models\PayrollNz\Employment'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmploymentObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'employment' => null
+        'pagination' => null'problem' => null'employment' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'employment' => 'employment'
+        'pagination' => 'pagination''problem' => 'problem''employment' => 'employment'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'employment' => 'setEmployment'
+        'pagination' => 'setPagination''problem' => 'setProblem''employment' => 'setEmployment'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'employment' => 'getEmployment'
+        'pagination' => 'getPagination''problem' => 'getProblem''employment' => 'getEmployment'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setEmployment($employment)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/GrossEarningsHistory.php b/lib/Models/PayrollNz/GrossEarningsHistory.php
index 458a3582..c07ef6f9 100644
--- a/lib/Models/PayrollNz/GrossEarningsHistory.php
+++ b/lib/Models/PayrollNz/GrossEarningsHistory.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * GrossEarningsHistory Class Doc Comment
  *
@@ -56,8 +58,7 @@ class GrossEarningsHistory implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'days_paid' => 'int',
-        'unpaid_weeks' => 'int'
+        'days_paid' => 'int''unpaid_weeks' => 'int'
     ];
 
     /**
@@ -66,8 +67,7 @@ class GrossEarningsHistory implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'days_paid' => 'int32',
-        'unpaid_weeks' => 'int32'
+        'days_paid' => 'int32''unpaid_weeks' => 'int32'
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'days_paid' => 'daysPaid',
-        'unpaid_weeks' => 'unpaidWeeks'
+        'days_paid' => 'daysPaid''unpaid_weeks' => 'unpaidWeeks'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'days_paid' => 'setDaysPaid',
-        'unpaid_weeks' => 'setUnpaidWeeks'
+        'days_paid' => 'setDaysPaid''unpaid_weeks' => 'setUnpaidWeeks'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'days_paid' => 'getDaysPaid',
-        'unpaid_weeks' => 'getUnpaidWeeks'
+        'days_paid' => 'getDaysPaid''unpaid_weeks' => 'getUnpaidWeeks'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setUnpaidWeeks($unpaid_weeks)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/InvalidField.php b/lib/Models/PayrollNz/InvalidField.php
index dbef4ecd..06a068db 100644
--- a/lib/Models/PayrollNz/InvalidField.php
+++ b/lib/Models/PayrollNz/InvalidField.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * InvalidField Class Doc Comment
  *
@@ -56,8 +58,7 @@ class InvalidField implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string',
-        'reason' => 'string'
+        'name' => 'string''reason' => 'string'
     ];
 
     /**
@@ -66,8 +67,7 @@ class InvalidField implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null,
-        'reason' => null
+        'name' => null'reason' => null
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'name',
-        'reason' => 'reason'
+        'name' => 'name''reason' => 'reason'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName',
-        'reason' => 'setReason'
+        'name' => 'setName''reason' => 'setReason'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName',
-        'reason' => 'getReason'
+        'name' => 'getName''reason' => 'getReason'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setReason($reason)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/LeaveAccrualLine.php b/lib/Models/PayrollNz/LeaveAccrualLine.php
index 7e4f4c54..fff25949 100644
--- a/lib/Models/PayrollNz/LeaveAccrualLine.php
+++ b/lib/Models/PayrollNz/LeaveAccrualLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LeaveAccrualLine Class Doc Comment
  *
@@ -56,8 +58,7 @@ class LeaveAccrualLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_type_id' => 'string',
-        'number_of_units' => 'double'
+        'leave_type_id' => 'string''number_of_units' => 'double'
     ];
 
     /**
@@ -66,8 +67,7 @@ class LeaveAccrualLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_type_id' => 'uuid',
-        'number_of_units' => 'double'
+        'leave_type_id' => 'uuid''number_of_units' => 'double'
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_type_id' => 'leaveTypeID',
-        'number_of_units' => 'numberOfUnits'
+        'leave_type_id' => 'leaveTypeID''number_of_units' => 'numberOfUnits'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_type_id' => 'setLeaveTypeId',
-        'number_of_units' => 'setNumberOfUnits'
+        'leave_type_id' => 'setLeaveTypeId''number_of_units' => 'setNumberOfUnits'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_type_id' => 'getLeaveTypeId',
-        'number_of_units' => 'getNumberOfUnits'
+        'leave_type_id' => 'getLeaveTypeId''number_of_units' => 'getNumberOfUnits'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setNumberOfUnits($number_of_units)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/LeaveEarningsLine.php b/lib/Models/PayrollNz/LeaveEarningsLine.php
index f4c6891f..5942e221 100644
--- a/lib/Models/PayrollNz/LeaveEarningsLine.php
+++ b/lib/Models/PayrollNz/LeaveEarningsLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LeaveEarningsLine Class Doc Comment
  *
@@ -56,16 +58,7 @@ class LeaveEarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_line_id' => 'string',
-        'earnings_rate_id' => 'string',
-        'display_name' => 'string',
-        'rate_per_unit' => 'double',
-        'number_of_units' => 'double',
-        'fixed_amount' => 'double',
-        'amount' => 'double',
-        'is_linked_to_timesheet' => 'bool',
-        'is_average_daily_pay_rate' => 'bool',
-        'is_system_generated' => 'bool'
+        'earnings_line_id' => 'string''earnings_rate_id' => 'string''display_name' => 'string''rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''amount' => 'double''is_linked_to_timesheet' => 'bool''is_average_daily_pay_rate' => 'bool''is_system_generated' => 'bool'
     ];
 
     /**
@@ -74,16 +67,7 @@ class LeaveEarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_line_id' => 'uuid',
-        'earnings_rate_id' => 'uuid',
-        'display_name' => null,
-        'rate_per_unit' => 'double',
-        'number_of_units' => 'double',
-        'fixed_amount' => 'double',
-        'amount' => 'double',
-        'is_linked_to_timesheet' => null,
-        'is_average_daily_pay_rate' => null,
-        'is_system_generated' => null
+        'earnings_line_id' => 'uuid''earnings_rate_id' => 'uuid''display_name' => null'rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''amount' => 'double''is_linked_to_timesheet' => null'is_average_daily_pay_rate' => null'is_system_generated' => null
     ];
 
     /**
@@ -113,16 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_line_id' => 'earningsLineID',
-        'earnings_rate_id' => 'earningsRateID',
-        'display_name' => 'displayName',
-        'rate_per_unit' => 'ratePerUnit',
-        'number_of_units' => 'numberOfUnits',
-        'fixed_amount' => 'fixedAmount',
-        'amount' => 'amount',
-        'is_linked_to_timesheet' => 'isLinkedToTimesheet',
-        'is_average_daily_pay_rate' => 'isAverageDailyPayRate',
-        'is_system_generated' => 'isSystemGenerated'
+        'earnings_line_id' => 'earningsLineID''earnings_rate_id' => 'earningsRateID''display_name' => 'displayName''rate_per_unit' => 'ratePerUnit''number_of_units' => 'numberOfUnits''fixed_amount' => 'fixedAmount''amount' => 'amount''is_linked_to_timesheet' => 'isLinkedToTimesheet''is_average_daily_pay_rate' => 'isAverageDailyPayRate''is_system_generated' => 'isSystemGenerated'
     ];
 
     /**
@@ -131,16 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_line_id' => 'setEarningsLineId',
-        'earnings_rate_id' => 'setEarningsRateId',
-        'display_name' => 'setDisplayName',
-        'rate_per_unit' => 'setRatePerUnit',
-        'number_of_units' => 'setNumberOfUnits',
-        'fixed_amount' => 'setFixedAmount',
-        'amount' => 'setAmount',
-        'is_linked_to_timesheet' => 'setIsLinkedToTimesheet',
-        'is_average_daily_pay_rate' => 'setIsAverageDailyPayRate',
-        'is_system_generated' => 'setIsSystemGenerated'
+        'earnings_line_id' => 'setEarningsLineId''earnings_rate_id' => 'setEarningsRateId''display_name' => 'setDisplayName''rate_per_unit' => 'setRatePerUnit''number_of_units' => 'setNumberOfUnits''fixed_amount' => 'setFixedAmount''amount' => 'setAmount''is_linked_to_timesheet' => 'setIsLinkedToTimesheet''is_average_daily_pay_rate' => 'setIsAverageDailyPayRate''is_system_generated' => 'setIsSystemGenerated'
     ];
 
     /**
@@ -149,16 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_line_id' => 'getEarningsLineId',
-        'earnings_rate_id' => 'getEarningsRateId',
-        'display_name' => 'getDisplayName',
-        'rate_per_unit' => 'getRatePerUnit',
-        'number_of_units' => 'getNumberOfUnits',
-        'fixed_amount' => 'getFixedAmount',
-        'amount' => 'getAmount',
-        'is_linked_to_timesheet' => 'getIsLinkedToTimesheet',
-        'is_average_daily_pay_rate' => 'getIsAverageDailyPayRate',
-        'is_system_generated' => 'getIsSystemGenerated'
+        'earnings_line_id' => 'getEarningsLineId''earnings_rate_id' => 'getEarningsRateId''display_name' => 'getDisplayName''rate_per_unit' => 'getRatePerUnit''number_of_units' => 'getNumberOfUnits''fixed_amount' => 'getFixedAmount''amount' => 'getAmount''is_linked_to_timesheet' => 'getIsLinkedToTimesheet''is_average_daily_pay_rate' => 'getIsAverageDailyPayRate''is_system_generated' => 'getIsSystemGenerated'
     ];
 
     /**
@@ -533,6 +490,7 @@ public function setIsSystemGenerated($is_system_generated)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -545,6 +503,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -558,6 +517,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -574,6 +534,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/LeavePeriod.php b/lib/Models/PayrollNz/LeavePeriod.php
index 5c85fea6..929cd9e1 100644
--- a/lib/Models/PayrollNz/LeavePeriod.php
+++ b/lib/Models/PayrollNz/LeavePeriod.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LeavePeriod Class Doc Comment
  *
@@ -56,10 +58,7 @@ class LeavePeriod implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'period_start_date' => '\DateTime',
-        'period_end_date' => '\DateTime',
-        'number_of_units' => 'double',
-        'period_status' => 'string'
+        'period_start_date' => '\DateTime''period_end_date' => '\DateTime''number_of_units' => 'double''period_status' => 'string'
     ];
 
     /**
@@ -68,10 +67,7 @@ class LeavePeriod implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'period_start_date' => 'date',
-        'period_end_date' => 'date',
-        'number_of_units' => 'double',
-        'period_status' => null
+        'period_start_date' => 'date''period_end_date' => 'date''number_of_units' => 'double''period_status' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'period_start_date' => 'periodStartDate',
-        'period_end_date' => 'periodEndDate',
-        'number_of_units' => 'numberOfUnits',
-        'period_status' => 'periodStatus'
+        'period_start_date' => 'periodStartDate''period_end_date' => 'periodEndDate''number_of_units' => 'numberOfUnits''period_status' => 'periodStatus'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'period_start_date' => 'setPeriodStartDate',
-        'period_end_date' => 'setPeriodEndDate',
-        'number_of_units' => 'setNumberOfUnits',
-        'period_status' => 'setPeriodStatus'
+        'period_start_date' => 'setPeriodStartDate''period_end_date' => 'setPeriodEndDate''number_of_units' => 'setNumberOfUnits''period_status' => 'setPeriodStatus'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'period_start_date' => 'getPeriodStartDate',
-        'period_end_date' => 'getPeriodEndDate',
-        'number_of_units' => 'getNumberOfUnits',
-        'period_status' => 'getPeriodStatus'
+        'period_start_date' => 'getPeriodStartDate''period_end_date' => 'getPeriodEndDate''number_of_units' => 'getNumberOfUnits''period_status' => 'getPeriodStatus'
     ];
 
     /**
@@ -367,6 +354,7 @@ public function setPeriodStatus($period_status)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -379,6 +367,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -392,6 +381,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -408,6 +398,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/LeavePeriods.php b/lib/Models/PayrollNz/LeavePeriods.php
index fc9dcb35..42073c89 100644
--- a/lib/Models/PayrollNz/LeavePeriods.php
+++ b/lib/Models/PayrollNz/LeavePeriods.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LeavePeriods Class Doc Comment
  *
@@ -56,9 +58,7 @@ class LeavePeriods implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'periods' => '\XeroAPI\XeroPHP\Models\PayrollNz\LeavePeriod[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''periods' => '\XeroAPI\XeroPHP\Models\PayrollNz\LeavePeriod[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class LeavePeriods implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'periods' => null
+        'pagination' => null'problem' => null'periods' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'periods' => 'periods'
+        'pagination' => 'pagination''problem' => 'problem''periods' => 'periods'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'periods' => 'setPeriods'
+        'pagination' => 'setPagination''problem' => 'setProblem''periods' => 'setPeriods'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'periods' => 'getPeriods'
+        'pagination' => 'getPagination''problem' => 'getProblem''periods' => 'getPeriods'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setPeriods($periods)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/LeaveType.php b/lib/Models/PayrollNz/LeaveType.php
index edfb9815..95c1baf8 100644
--- a/lib/Models/PayrollNz/LeaveType.php
+++ b/lib/Models/PayrollNz/LeaveType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LeaveType Class Doc Comment
  *
@@ -56,12 +58,7 @@ class LeaveType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_type_id' => 'string',
-        'name' => 'string',
-        'is_paid_leave' => 'bool',
-        'show_on_payslip' => 'bool',
-        'updated_date_utc' => '\DateTime',
-        'is_active' => 'bool'
+        'leave_type_id' => 'string''name' => 'string''is_paid_leave' => 'bool''show_on_payslip' => 'bool''updated_date_utc' => '\DateTime''is_active' => 'bool'
     ];
 
     /**
@@ -70,12 +67,7 @@ class LeaveType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_type_id' => 'uuid',
-        'name' => null,
-        'is_paid_leave' => null,
-        'show_on_payslip' => null,
-        'updated_date_utc' => 'date-time',
-        'is_active' => null
+        'leave_type_id' => 'uuid''name' => null'is_paid_leave' => null'show_on_payslip' => null'updated_date_utc' => 'date-time''is_active' => null
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_type_id' => 'leaveTypeID',
-        'name' => 'name',
-        'is_paid_leave' => 'isPaidLeave',
-        'show_on_payslip' => 'showOnPayslip',
-        'updated_date_utc' => 'updatedDateUTC',
-        'is_active' => 'isActive'
+        'leave_type_id' => 'leaveTypeID''name' => 'name''is_paid_leave' => 'isPaidLeave''show_on_payslip' => 'showOnPayslip''updated_date_utc' => 'updatedDateUTC''is_active' => 'isActive'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_type_id' => 'setLeaveTypeId',
-        'name' => 'setName',
-        'is_paid_leave' => 'setIsPaidLeave',
-        'show_on_payslip' => 'setShowOnPayslip',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'is_active' => 'setIsActive'
+        'leave_type_id' => 'setLeaveTypeId''name' => 'setName''is_paid_leave' => 'setIsPaidLeave''show_on_payslip' => 'setShowOnPayslip''updated_date_utc' => 'setUpdatedDateUtc''is_active' => 'setIsActive'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_type_id' => 'getLeaveTypeId',
-        'name' => 'getName',
-        'is_paid_leave' => 'getIsPaidLeave',
-        'show_on_payslip' => 'getShowOnPayslip',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'is_active' => 'getIsActive'
+        'leave_type_id' => 'getLeaveTypeId''name' => 'getName''is_paid_leave' => 'getIsPaidLeave''show_on_payslip' => 'getShowOnPayslip''updated_date_utc' => 'getUpdatedDateUtc''is_active' => 'getIsActive'
     ];
 
     /**
@@ -410,6 +387,7 @@ public function setIsActive($is_active)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -422,6 +400,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -435,6 +414,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -451,6 +431,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/LeaveTypeObject.php b/lib/Models/PayrollNz/LeaveTypeObject.php
index c9bab91e..a582676d 100644
--- a/lib/Models/PayrollNz/LeaveTypeObject.php
+++ b/lib/Models/PayrollNz/LeaveTypeObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LeaveTypeObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class LeaveTypeObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'leave_type' => '\XeroAPI\XeroPHP\Models\PayrollNz\LeaveType'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''leave_type' => '\XeroAPI\XeroPHP\Models\PayrollNz\LeaveType'
     ];
 
     /**
@@ -67,9 +67,7 @@ class LeaveTypeObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'leave_type' => null
+        'pagination' => null'problem' => null'leave_type' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'leave_type' => 'leaveType'
+        'pagination' => 'pagination''problem' => 'problem''leave_type' => 'leaveType'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'leave_type' => 'setLeaveType'
+        'pagination' => 'setPagination''problem' => 'setProblem''leave_type' => 'setLeaveType'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'leave_type' => 'getLeaveType'
+        'pagination' => 'getPagination''problem' => 'getProblem''leave_type' => 'getLeaveType'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setLeaveType($leave_type)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/LeaveTypes.php b/lib/Models/PayrollNz/LeaveTypes.php
index eef10db8..8af69229 100644
--- a/lib/Models/PayrollNz/LeaveTypes.php
+++ b/lib/Models/PayrollNz/LeaveTypes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LeaveTypes Class Doc Comment
  *
@@ -56,9 +58,7 @@ class LeaveTypes implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'leave_types' => '\XeroAPI\XeroPHP\Models\PayrollNz\LeaveType[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''leave_types' => '\XeroAPI\XeroPHP\Models\PayrollNz\LeaveType[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class LeaveTypes implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'leave_types' => null
+        'pagination' => null'problem' => null'leave_types' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'leave_types' => 'leaveTypes'
+        'pagination' => 'pagination''problem' => 'problem''leave_types' => 'leaveTypes'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'leave_types' => 'setLeaveTypes'
+        'pagination' => 'setPagination''problem' => 'setProblem''leave_types' => 'setLeaveTypes'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'leave_types' => 'getLeaveTypes'
+        'pagination' => 'getPagination''problem' => 'getProblem''leave_types' => 'getLeaveTypes'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setLeaveTypes($leave_types)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/ModelInterface.php b/lib/Models/PayrollNz/ModelInterface.php
index 27379043..87b320e9 100644
--- a/lib/Models/PayrollNz/ModelInterface.php
+++ b/lib/Models/PayrollNz/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/Pagination.php b/lib/Models/PayrollNz/Pagination.php
index 2c13e275..65ccc18a 100644
--- a/lib/Models/PayrollNz/Pagination.php
+++ b/lib/Models/PayrollNz/Pagination.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Pagination Class Doc Comment
  *
@@ -56,10 +58,7 @@ class Pagination implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'page' => 'int',
-        'page_size' => 'int',
-        'page_count' => 'int',
-        'item_count' => 'int'
+        'page' => 'int''page_size' => 'int''page_count' => 'int''item_count' => 'int'
     ];
 
     /**
@@ -68,10 +67,7 @@ class Pagination implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'page' => null,
-        'page_size' => null,
-        'page_count' => null,
-        'item_count' => null
+        'page' => null'page_size' => null'page_count' => null'item_count' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'page' => 'page',
-        'page_size' => 'pageSize',
-        'page_count' => 'pageCount',
-        'item_count' => 'itemCount'
+        'page' => 'page''page_size' => 'pageSize''page_count' => 'pageCount''item_count' => 'itemCount'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'page' => 'setPage',
-        'page_size' => 'setPageSize',
-        'page_count' => 'setPageCount',
-        'item_count' => 'setItemCount'
+        'page' => 'setPage''page_size' => 'setPageSize''page_count' => 'setPageCount''item_count' => 'setItemCount'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'page' => 'getPage',
-        'page_size' => 'getPageSize',
-        'page_count' => 'getPageCount',
-        'item_count' => 'getItemCount'
+        'page' => 'getPage''page_size' => 'getPageSize''page_count' => 'getPageCount''item_count' => 'getItemCount'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setItemCount($item_count)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PayRun.php b/lib/Models/PayrollNz/PayRun.php
index 32444bae..37864b0e 100644
--- a/lib/Models/PayrollNz/PayRun.php
+++ b/lib/Models/PayrollNz/PayRun.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PayRun Class Doc Comment
  *
@@ -56,18 +58,7 @@ class PayRun implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pay_run_id' => 'string',
-        'payroll_calendar_id' => 'string',
-        'period_start_date' => '\DateTime',
-        'period_end_date' => '\DateTime',
-        'payment_date' => '\DateTime',
-        'total_cost' => 'double',
-        'total_pay' => 'double',
-        'pay_run_status' => 'string',
-        'pay_run_type' => 'string',
-        'calendar_type' => '\XeroAPI\XeroPHP\Models\PayrollNz\CalendarType',
-        'posted_date_time' => '\DateTime',
-        'pay_slips' => '\XeroAPI\XeroPHP\Models\PayrollNz\PaySlip[]'
+        'pay_run_id' => 'string''payroll_calendar_id' => 'string''period_start_date' => '\DateTime''period_end_date' => '\DateTime''payment_date' => '\DateTime''total_cost' => 'double''total_pay' => 'double''pay_run_status' => 'string''pay_run_type' => 'string''calendar_type' => '\XeroAPI\XeroPHP\Models\PayrollNz\CalendarType''posted_date_time' => '\DateTime''pay_slips' => '\XeroAPI\XeroPHP\Models\PayrollNz\PaySlip[]'
     ];
 
     /**
@@ -76,18 +67,7 @@ class PayRun implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pay_run_id' => 'uuid',
-        'payroll_calendar_id' => 'uuid',
-        'period_start_date' => 'date',
-        'period_end_date' => 'date',
-        'payment_date' => 'date',
-        'total_cost' => 'double',
-        'total_pay' => 'double',
-        'pay_run_status' => null,
-        'pay_run_type' => null,
-        'calendar_type' => null,
-        'posted_date_time' => 'date',
-        'pay_slips' => null
+        'pay_run_id' => 'uuid''payroll_calendar_id' => 'uuid''period_start_date' => 'date''period_end_date' => 'date''payment_date' => 'date''total_cost' => 'double''total_pay' => 'double''pay_run_status' => null'pay_run_type' => null'calendar_type' => null'posted_date_time' => 'date''pay_slips' => null
     ];
 
     /**
@@ -117,18 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pay_run_id' => 'payRunID',
-        'payroll_calendar_id' => 'payrollCalendarID',
-        'period_start_date' => 'periodStartDate',
-        'period_end_date' => 'periodEndDate',
-        'payment_date' => 'paymentDate',
-        'total_cost' => 'totalCost',
-        'total_pay' => 'totalPay',
-        'pay_run_status' => 'payRunStatus',
-        'pay_run_type' => 'payRunType',
-        'calendar_type' => 'calendarType',
-        'posted_date_time' => 'postedDateTime',
-        'pay_slips' => 'paySlips'
+        'pay_run_id' => 'payRunID''payroll_calendar_id' => 'payrollCalendarID''period_start_date' => 'periodStartDate''period_end_date' => 'periodEndDate''payment_date' => 'paymentDate''total_cost' => 'totalCost''total_pay' => 'totalPay''pay_run_status' => 'payRunStatus''pay_run_type' => 'payRunType''calendar_type' => 'calendarType''posted_date_time' => 'postedDateTime''pay_slips' => 'paySlips'
     ];
 
     /**
@@ -137,18 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pay_run_id' => 'setPayRunId',
-        'payroll_calendar_id' => 'setPayrollCalendarId',
-        'period_start_date' => 'setPeriodStartDate',
-        'period_end_date' => 'setPeriodEndDate',
-        'payment_date' => 'setPaymentDate',
-        'total_cost' => 'setTotalCost',
-        'total_pay' => 'setTotalPay',
-        'pay_run_status' => 'setPayRunStatus',
-        'pay_run_type' => 'setPayRunType',
-        'calendar_type' => 'setCalendarType',
-        'posted_date_time' => 'setPostedDateTime',
-        'pay_slips' => 'setPaySlips'
+        'pay_run_id' => 'setPayRunId''payroll_calendar_id' => 'setPayrollCalendarId''period_start_date' => 'setPeriodStartDate''period_end_date' => 'setPeriodEndDate''payment_date' => 'setPaymentDate''total_cost' => 'setTotalCost''total_pay' => 'setTotalPay''pay_run_status' => 'setPayRunStatus''pay_run_type' => 'setPayRunType''calendar_type' => 'setCalendarType''posted_date_time' => 'setPostedDateTime''pay_slips' => 'setPaySlips'
     ];
 
     /**
@@ -157,18 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pay_run_id' => 'getPayRunId',
-        'payroll_calendar_id' => 'getPayrollCalendarId',
-        'period_start_date' => 'getPeriodStartDate',
-        'period_end_date' => 'getPeriodEndDate',
-        'payment_date' => 'getPaymentDate',
-        'total_cost' => 'getTotalCost',
-        'total_pay' => 'getTotalPay',
-        'pay_run_status' => 'getPayRunStatus',
-        'pay_run_type' => 'getPayRunType',
-        'calendar_type' => 'getCalendarType',
-        'posted_date_time' => 'getPostedDateTime',
-        'pay_slips' => 'getPaySlips'
+        'pay_run_id' => 'getPayRunId''payroll_calendar_id' => 'getPayrollCalendarId''period_start_date' => 'getPeriodStartDate''period_end_date' => 'getPeriodEndDate''payment_date' => 'getPaymentDate''total_cost' => 'getTotalCost''total_pay' => 'getTotalPay''pay_run_status' => 'getPayRunStatus''pay_run_type' => 'getPayRunType''calendar_type' => 'getCalendarType''posted_date_time' => 'getPostedDateTime''pay_slips' => 'getPaySlips'
     ];
 
     /**
@@ -665,6 +612,7 @@ public function setPaySlips($pay_slips)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -677,6 +625,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -690,6 +639,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -706,6 +656,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PayRunCalendar.php b/lib/Models/PayrollNz/PayRunCalendar.php
index 2cc7e9e9..931e88d8 100644
--- a/lib/Models/PayrollNz/PayRunCalendar.php
+++ b/lib/Models/PayrollNz/PayRunCalendar.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PayRunCalendar Class Doc Comment
  *
@@ -56,13 +58,7 @@ class PayRunCalendar implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'payroll_calendar_id' => 'string',
-        'name' => 'string',
-        'calendar_type' => '\XeroAPI\XeroPHP\Models\PayrollNz\CalendarType',
-        'period_start_date' => '\DateTime',
-        'period_end_date' => '\DateTime',
-        'payment_date' => '\DateTime',
-        'updated_date_utc' => '\DateTime'
+        'payroll_calendar_id' => 'string''name' => 'string''calendar_type' => '\XeroAPI\XeroPHP\Models\PayrollNz\CalendarType''period_start_date' => '\DateTime''period_end_date' => '\DateTime''payment_date' => '\DateTime''updated_date_utc' => '\DateTime'
     ];
 
     /**
@@ -71,13 +67,7 @@ class PayRunCalendar implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'payroll_calendar_id' => 'uuid',
-        'name' => null,
-        'calendar_type' => null,
-        'period_start_date' => 'date',
-        'period_end_date' => 'date',
-        'payment_date' => 'date',
-        'updated_date_utc' => 'date-time'
+        'payroll_calendar_id' => 'uuid''name' => null'calendar_type' => null'period_start_date' => 'date''period_end_date' => 'date''payment_date' => 'date''updated_date_utc' => 'date-time'
     ];
 
     /**
@@ -107,13 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'payroll_calendar_id' => 'payrollCalendarID',
-        'name' => 'name',
-        'calendar_type' => 'calendarType',
-        'period_start_date' => 'periodStartDate',
-        'period_end_date' => 'periodEndDate',
-        'payment_date' => 'paymentDate',
-        'updated_date_utc' => 'updatedDateUTC'
+        'payroll_calendar_id' => 'payrollCalendarID''name' => 'name''calendar_type' => 'calendarType''period_start_date' => 'periodStartDate''period_end_date' => 'periodEndDate''payment_date' => 'paymentDate''updated_date_utc' => 'updatedDateUTC'
     ];
 
     /**
@@ -122,13 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'payroll_calendar_id' => 'setPayrollCalendarId',
-        'name' => 'setName',
-        'calendar_type' => 'setCalendarType',
-        'period_start_date' => 'setPeriodStartDate',
-        'period_end_date' => 'setPeriodEndDate',
-        'payment_date' => 'setPaymentDate',
-        'updated_date_utc' => 'setUpdatedDateUtc'
+        'payroll_calendar_id' => 'setPayrollCalendarId''name' => 'setName''calendar_type' => 'setCalendarType''period_start_date' => 'setPeriodStartDate''period_end_date' => 'setPeriodEndDate''payment_date' => 'setPaymentDate''updated_date_utc' => 'setUpdatedDateUtc'
     ];
 
     /**
@@ -137,13 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'payroll_calendar_id' => 'getPayrollCalendarId',
-        'name' => 'getName',
-        'calendar_type' => 'getCalendarType',
-        'period_start_date' => 'getPeriodStartDate',
-        'period_end_date' => 'getPeriodEndDate',
-        'payment_date' => 'getPaymentDate',
-        'updated_date_utc' => 'getUpdatedDateUtc'
+        'payroll_calendar_id' => 'getPayrollCalendarId''name' => 'getName''calendar_type' => 'getCalendarType''period_start_date' => 'getPeriodStartDate''period_end_date' => 'getPeriodEndDate''payment_date' => 'getPaymentDate''updated_date_utc' => 'getUpdatedDateUtc'
     ];
 
     /**
@@ -446,6 +418,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -458,6 +431,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -471,6 +445,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -487,6 +462,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PayRunCalendarObject.php b/lib/Models/PayrollNz/PayRunCalendarObject.php
index 64b7e63b..11290771 100644
--- a/lib/Models/PayrollNz/PayRunCalendarObject.php
+++ b/lib/Models/PayrollNz/PayRunCalendarObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PayRunCalendarObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class PayRunCalendarObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'pay_run_calendar' => '\XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendar'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''pay_run_calendar' => '\XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendar'
     ];
 
     /**
@@ -67,9 +67,7 @@ class PayRunCalendarObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'pay_run_calendar' => null
+        'pagination' => null'problem' => null'pay_run_calendar' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'pay_run_calendar' => 'payRunCalendar'
+        'pagination' => 'pagination''problem' => 'problem''pay_run_calendar' => 'payRunCalendar'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'pay_run_calendar' => 'setPayRunCalendar'
+        'pagination' => 'setPagination''problem' => 'setProblem''pay_run_calendar' => 'setPayRunCalendar'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'pay_run_calendar' => 'getPayRunCalendar'
+        'pagination' => 'getPagination''problem' => 'getProblem''pay_run_calendar' => 'getPayRunCalendar'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setPayRunCalendar($pay_run_calendar)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PayRunCalendars.php b/lib/Models/PayrollNz/PayRunCalendars.php
index d989162e..0c6cfdbb 100644
--- a/lib/Models/PayrollNz/PayRunCalendars.php
+++ b/lib/Models/PayrollNz/PayRunCalendars.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PayRunCalendars Class Doc Comment
  *
@@ -56,9 +58,7 @@ class PayRunCalendars implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'pay_run_calendars' => '\XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendar[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''pay_run_calendars' => '\XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendar[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class PayRunCalendars implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'pay_run_calendars' => null
+        'pagination' => null'problem' => null'pay_run_calendars' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'pay_run_calendars' => 'payRunCalendars'
+        'pagination' => 'pagination''problem' => 'problem''pay_run_calendars' => 'payRunCalendars'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'pay_run_calendars' => 'setPayRunCalendars'
+        'pagination' => 'setPagination''problem' => 'setProblem''pay_run_calendars' => 'setPayRunCalendars'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'pay_run_calendars' => 'getPayRunCalendars'
+        'pagination' => 'getPagination''problem' => 'getProblem''pay_run_calendars' => 'getPayRunCalendars'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setPayRunCalendars($pay_run_calendars)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PayRunObject.php b/lib/Models/PayrollNz/PayRunObject.php
index f7e691ab..b3508dac 100644
--- a/lib/Models/PayrollNz/PayRunObject.php
+++ b/lib/Models/PayrollNz/PayRunObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PayRunObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class PayRunObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'pay_run' => '\XeroAPI\XeroPHP\Models\PayrollNz\PayRun'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''pay_run' => '\XeroAPI\XeroPHP\Models\PayrollNz\PayRun'
     ];
 
     /**
@@ -67,9 +67,7 @@ class PayRunObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'pay_run' => null
+        'pagination' => null'problem' => null'pay_run' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'pay_run' => 'payRun'
+        'pagination' => 'pagination''problem' => 'problem''pay_run' => 'payRun'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'pay_run' => 'setPayRun'
+        'pagination' => 'setPagination''problem' => 'setProblem''pay_run' => 'setPayRun'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'pay_run' => 'getPayRun'
+        'pagination' => 'getPagination''problem' => 'getProblem''pay_run' => 'getPayRun'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setPayRun($pay_run)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PayRuns.php b/lib/Models/PayrollNz/PayRuns.php
index 0776c5f7..786c9768 100644
--- a/lib/Models/PayrollNz/PayRuns.php
+++ b/lib/Models/PayrollNz/PayRuns.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PayRuns Class Doc Comment
  *
@@ -56,9 +58,7 @@ class PayRuns implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'pay_runs' => '\XeroAPI\XeroPHP\Models\PayrollNz\PayRun[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''pay_runs' => '\XeroAPI\XeroPHP\Models\PayrollNz\PayRun[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class PayRuns implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'pay_runs' => null
+        'pagination' => null'problem' => null'pay_runs' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'pay_runs' => 'payRuns'
+        'pagination' => 'pagination''problem' => 'problem''pay_runs' => 'payRuns'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'pay_runs' => 'setPayRuns'
+        'pagination' => 'setPagination''problem' => 'setProblem''pay_runs' => 'setPayRuns'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'pay_runs' => 'getPayRuns'
+        'pagination' => 'getPagination''problem' => 'getProblem''pay_runs' => 'getPayRuns'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setPayRuns($pay_runs)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PaySlip.php b/lib/Models/PayrollNz/PaySlip.php
index f5510fff..2133dd4f 100644
--- a/lib/Models/PayrollNz/PaySlip.php
+++ b/lib/Models/PayrollNz/PaySlip.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PaySlip Class Doc Comment
  *
@@ -56,36 +58,7 @@ class PaySlip implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pay_slip_id' => 'string',
-        'employee_id' => 'string',
-        'pay_run_id' => 'string',
-        'last_edited' => '\DateTime',
-        'first_name' => 'string',
-        'last_name' => 'string',
-        'total_earnings' => 'double',
-        'gross_earnings' => 'double',
-        'total_pay' => 'double',
-        'total_employer_taxes' => 'double',
-        'total_employee_taxes' => 'double',
-        'total_deductions' => 'double',
-        'total_reimbursements' => 'double',
-        'total_statutory_deductions' => 'double',
-        'total_superannuation' => 'double',
-        'bacs_hash' => 'string',
-        'payment_method' => 'string',
-        'earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsLine[]',
-        'leave_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\LeaveEarningsLine[]',
-        'timesheet_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetEarningsLine[]',
-        'deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\DeductionLine[]',
-        'reimbursement_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\ReimbursementLine[]',
-        'leave_accrual_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\LeaveAccrualLine[]',
-        'superannuation_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\SuperannuationLine[]',
-        'payment_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\PaymentLine[]',
-        'employee_tax_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\TaxLine[]',
-        'employer_tax_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\TaxLine[]',
-        'statutory_deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeductionLine[]',
-        'tax_settings' => '\XeroAPI\XeroPHP\Models\PayrollNz\TaxSettings',
-        'gross_earnings_history' => '\XeroAPI\XeroPHP\Models\PayrollNz\GrossEarningsHistory'
+        'pay_slip_id' => 'string''employee_id' => 'string''pay_run_id' => 'string''last_edited' => '\DateTime''first_name' => 'string''last_name' => 'string''total_earnings' => 'double''gross_earnings' => 'double''total_pay' => 'double''total_employer_taxes' => 'double''total_employee_taxes' => 'double''total_deductions' => 'double''total_reimbursements' => 'double''total_statutory_deductions' => 'double''total_superannuation' => 'double''bacs_hash' => 'string''payment_method' => 'string''earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsLine[]''leave_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\LeaveEarningsLine[]''timesheet_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetEarningsLine[]''deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\DeductionLine[]''reimbursement_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\ReimbursementLine[]''leave_accrual_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\LeaveAccrualLine[]''superannuation_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\SuperannuationLine[]''payment_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\PaymentLine[]''employee_tax_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\TaxLine[]''employer_tax_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\TaxLine[]''statutory_deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeductionLine[]''tax_settings' => '\XeroAPI\XeroPHP\Models\PayrollNz\TaxSettings''gross_earnings_history' => '\XeroAPI\XeroPHP\Models\PayrollNz\GrossEarningsHistory'
     ];
 
     /**
@@ -94,36 +67,7 @@ class PaySlip implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pay_slip_id' => 'uuid',
-        'employee_id' => 'uuid',
-        'pay_run_id' => 'uuid',
-        'last_edited' => 'date',
-        'first_name' => null,
-        'last_name' => null,
-        'total_earnings' => 'double',
-        'gross_earnings' => 'double',
-        'total_pay' => 'double',
-        'total_employer_taxes' => 'double',
-        'total_employee_taxes' => 'double',
-        'total_deductions' => 'double',
-        'total_reimbursements' => 'double',
-        'total_statutory_deductions' => 'double',
-        'total_superannuation' => 'double',
-        'bacs_hash' => null,
-        'payment_method' => null,
-        'earnings_lines' => null,
-        'leave_earnings_lines' => null,
-        'timesheet_earnings_lines' => null,
-        'deduction_lines' => null,
-        'reimbursement_lines' => null,
-        'leave_accrual_lines' => null,
-        'superannuation_lines' => null,
-        'payment_lines' => null,
-        'employee_tax_lines' => null,
-        'employer_tax_lines' => null,
-        'statutory_deduction_lines' => null,
-        'tax_settings' => null,
-        'gross_earnings_history' => null
+        'pay_slip_id' => 'uuid''employee_id' => 'uuid''pay_run_id' => 'uuid''last_edited' => 'date''first_name' => null'last_name' => null'total_earnings' => 'double''gross_earnings' => 'double''total_pay' => 'double''total_employer_taxes' => 'double''total_employee_taxes' => 'double''total_deductions' => 'double''total_reimbursements' => 'double''total_statutory_deductions' => 'double''total_superannuation' => 'double''bacs_hash' => null'payment_method' => null'earnings_lines' => null'leave_earnings_lines' => null'timesheet_earnings_lines' => null'deduction_lines' => null'reimbursement_lines' => null'leave_accrual_lines' => null'superannuation_lines' => null'payment_lines' => null'employee_tax_lines' => null'employer_tax_lines' => null'statutory_deduction_lines' => null'tax_settings' => null'gross_earnings_history' => null
     ];
 
     /**
@@ -153,36 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pay_slip_id' => 'paySlipID',
-        'employee_id' => 'employeeID',
-        'pay_run_id' => 'payRunID',
-        'last_edited' => 'lastEdited',
-        'first_name' => 'firstName',
-        'last_name' => 'lastName',
-        'total_earnings' => 'totalEarnings',
-        'gross_earnings' => 'grossEarnings',
-        'total_pay' => 'totalPay',
-        'total_employer_taxes' => 'totalEmployerTaxes',
-        'total_employee_taxes' => 'totalEmployeeTaxes',
-        'total_deductions' => 'totalDeductions',
-        'total_reimbursements' => 'totalReimbursements',
-        'total_statutory_deductions' => 'totalStatutoryDeductions',
-        'total_superannuation' => 'totalSuperannuation',
-        'bacs_hash' => 'bacsHash',
-        'payment_method' => 'paymentMethod',
-        'earnings_lines' => 'earningsLines',
-        'leave_earnings_lines' => 'leaveEarningsLines',
-        'timesheet_earnings_lines' => 'timesheetEarningsLines',
-        'deduction_lines' => 'deductionLines',
-        'reimbursement_lines' => 'reimbursementLines',
-        'leave_accrual_lines' => 'leaveAccrualLines',
-        'superannuation_lines' => 'superannuationLines',
-        'payment_lines' => 'paymentLines',
-        'employee_tax_lines' => 'employeeTaxLines',
-        'employer_tax_lines' => 'employerTaxLines',
-        'statutory_deduction_lines' => 'statutoryDeductionLines',
-        'tax_settings' => 'taxSettings',
-        'gross_earnings_history' => 'grossEarningsHistory'
+        'pay_slip_id' => 'paySlipID''employee_id' => 'employeeID''pay_run_id' => 'payRunID''last_edited' => 'lastEdited''first_name' => 'firstName''last_name' => 'lastName''total_earnings' => 'totalEarnings''gross_earnings' => 'grossEarnings''total_pay' => 'totalPay''total_employer_taxes' => 'totalEmployerTaxes''total_employee_taxes' => 'totalEmployeeTaxes''total_deductions' => 'totalDeductions''total_reimbursements' => 'totalReimbursements''total_statutory_deductions' => 'totalStatutoryDeductions''total_superannuation' => 'totalSuperannuation''bacs_hash' => 'bacsHash''payment_method' => 'paymentMethod''earnings_lines' => 'earningsLines''leave_earnings_lines' => 'leaveEarningsLines''timesheet_earnings_lines' => 'timesheetEarningsLines''deduction_lines' => 'deductionLines''reimbursement_lines' => 'reimbursementLines''leave_accrual_lines' => 'leaveAccrualLines''superannuation_lines' => 'superannuationLines''payment_lines' => 'paymentLines''employee_tax_lines' => 'employeeTaxLines''employer_tax_lines' => 'employerTaxLines''statutory_deduction_lines' => 'statutoryDeductionLines''tax_settings' => 'taxSettings''gross_earnings_history' => 'grossEarningsHistory'
     ];
 
     /**
@@ -191,36 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pay_slip_id' => 'setPaySlipId',
-        'employee_id' => 'setEmployeeId',
-        'pay_run_id' => 'setPayRunId',
-        'last_edited' => 'setLastEdited',
-        'first_name' => 'setFirstName',
-        'last_name' => 'setLastName',
-        'total_earnings' => 'setTotalEarnings',
-        'gross_earnings' => 'setGrossEarnings',
-        'total_pay' => 'setTotalPay',
-        'total_employer_taxes' => 'setTotalEmployerTaxes',
-        'total_employee_taxes' => 'setTotalEmployeeTaxes',
-        'total_deductions' => 'setTotalDeductions',
-        'total_reimbursements' => 'setTotalReimbursements',
-        'total_statutory_deductions' => 'setTotalStatutoryDeductions',
-        'total_superannuation' => 'setTotalSuperannuation',
-        'bacs_hash' => 'setBacsHash',
-        'payment_method' => 'setPaymentMethod',
-        'earnings_lines' => 'setEarningsLines',
-        'leave_earnings_lines' => 'setLeaveEarningsLines',
-        'timesheet_earnings_lines' => 'setTimesheetEarningsLines',
-        'deduction_lines' => 'setDeductionLines',
-        'reimbursement_lines' => 'setReimbursementLines',
-        'leave_accrual_lines' => 'setLeaveAccrualLines',
-        'superannuation_lines' => 'setSuperannuationLines',
-        'payment_lines' => 'setPaymentLines',
-        'employee_tax_lines' => 'setEmployeeTaxLines',
-        'employer_tax_lines' => 'setEmployerTaxLines',
-        'statutory_deduction_lines' => 'setStatutoryDeductionLines',
-        'tax_settings' => 'setTaxSettings',
-        'gross_earnings_history' => 'setGrossEarningsHistory'
+        'pay_slip_id' => 'setPaySlipId''employee_id' => 'setEmployeeId''pay_run_id' => 'setPayRunId''last_edited' => 'setLastEdited''first_name' => 'setFirstName''last_name' => 'setLastName''total_earnings' => 'setTotalEarnings''gross_earnings' => 'setGrossEarnings''total_pay' => 'setTotalPay''total_employer_taxes' => 'setTotalEmployerTaxes''total_employee_taxes' => 'setTotalEmployeeTaxes''total_deductions' => 'setTotalDeductions''total_reimbursements' => 'setTotalReimbursements''total_statutory_deductions' => 'setTotalStatutoryDeductions''total_superannuation' => 'setTotalSuperannuation''bacs_hash' => 'setBacsHash''payment_method' => 'setPaymentMethod''earnings_lines' => 'setEarningsLines''leave_earnings_lines' => 'setLeaveEarningsLines''timesheet_earnings_lines' => 'setTimesheetEarningsLines''deduction_lines' => 'setDeductionLines''reimbursement_lines' => 'setReimbursementLines''leave_accrual_lines' => 'setLeaveAccrualLines''superannuation_lines' => 'setSuperannuationLines''payment_lines' => 'setPaymentLines''employee_tax_lines' => 'setEmployeeTaxLines''employer_tax_lines' => 'setEmployerTaxLines''statutory_deduction_lines' => 'setStatutoryDeductionLines''tax_settings' => 'setTaxSettings''gross_earnings_history' => 'setGrossEarningsHistory'
     ];
 
     /**
@@ -229,36 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pay_slip_id' => 'getPaySlipId',
-        'employee_id' => 'getEmployeeId',
-        'pay_run_id' => 'getPayRunId',
-        'last_edited' => 'getLastEdited',
-        'first_name' => 'getFirstName',
-        'last_name' => 'getLastName',
-        'total_earnings' => 'getTotalEarnings',
-        'gross_earnings' => 'getGrossEarnings',
-        'total_pay' => 'getTotalPay',
-        'total_employer_taxes' => 'getTotalEmployerTaxes',
-        'total_employee_taxes' => 'getTotalEmployeeTaxes',
-        'total_deductions' => 'getTotalDeductions',
-        'total_reimbursements' => 'getTotalReimbursements',
-        'total_statutory_deductions' => 'getTotalStatutoryDeductions',
-        'total_superannuation' => 'getTotalSuperannuation',
-        'bacs_hash' => 'getBacsHash',
-        'payment_method' => 'getPaymentMethod',
-        'earnings_lines' => 'getEarningsLines',
-        'leave_earnings_lines' => 'getLeaveEarningsLines',
-        'timesheet_earnings_lines' => 'getTimesheetEarningsLines',
-        'deduction_lines' => 'getDeductionLines',
-        'reimbursement_lines' => 'getReimbursementLines',
-        'leave_accrual_lines' => 'getLeaveAccrualLines',
-        'superannuation_lines' => 'getSuperannuationLines',
-        'payment_lines' => 'getPaymentLines',
-        'employee_tax_lines' => 'getEmployeeTaxLines',
-        'employer_tax_lines' => 'getEmployerTaxLines',
-        'statutory_deduction_lines' => 'getStatutoryDeductionLines',
-        'tax_settings' => 'getTaxSettings',
-        'gross_earnings_history' => 'getGrossEarningsHistory'
+        'pay_slip_id' => 'getPaySlipId''employee_id' => 'getEmployeeId''pay_run_id' => 'getPayRunId''last_edited' => 'getLastEdited''first_name' => 'getFirstName''last_name' => 'getLastName''total_earnings' => 'getTotalEarnings''gross_earnings' => 'getGrossEarnings''total_pay' => 'getTotalPay''total_employer_taxes' => 'getTotalEmployerTaxes''total_employee_taxes' => 'getTotalEmployeeTaxes''total_deductions' => 'getTotalDeductions''total_reimbursements' => 'getTotalReimbursements''total_statutory_deductions' => 'getTotalStatutoryDeductions''total_superannuation' => 'getTotalSuperannuation''bacs_hash' => 'getBacsHash''payment_method' => 'getPaymentMethod''earnings_lines' => 'getEarningsLines''leave_earnings_lines' => 'getLeaveEarningsLines''timesheet_earnings_lines' => 'getTimesheetEarningsLines''deduction_lines' => 'getDeductionLines''reimbursement_lines' => 'getReimbursementLines''leave_accrual_lines' => 'getLeaveAccrualLines''superannuation_lines' => 'getSuperannuationLines''payment_lines' => 'getPaymentLines''employee_tax_lines' => 'getEmployeeTaxLines''employer_tax_lines' => 'getEmployerTaxLines''statutory_deduction_lines' => 'getStatutoryDeductionLines''tax_settings' => 'getTaxSettings''gross_earnings_history' => 'getGrossEarningsHistory'
     ];
 
     /**
@@ -1227,6 +1084,7 @@ public function setGrossEarningsHistory($gross_earnings_history)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1239,6 +1097,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1252,6 +1111,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1268,6 +1128,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PaySlipObject.php b/lib/Models/PayrollNz/PaySlipObject.php
index 6ae67498..6e4a8e14 100644
--- a/lib/Models/PayrollNz/PaySlipObject.php
+++ b/lib/Models/PayrollNz/PaySlipObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PaySlipObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class PaySlipObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'pay_slip' => '\XeroAPI\XeroPHP\Models\PayrollNz\PaySlip'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''pay_slip' => '\XeroAPI\XeroPHP\Models\PayrollNz\PaySlip'
     ];
 
     /**
@@ -67,9 +67,7 @@ class PaySlipObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'pay_slip' => null
+        'pagination' => null'problem' => null'pay_slip' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'pay_slip' => 'paySlip'
+        'pagination' => 'pagination''problem' => 'problem''pay_slip' => 'paySlip'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'pay_slip' => 'setPaySlip'
+        'pagination' => 'setPagination''problem' => 'setProblem''pay_slip' => 'setPaySlip'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'pay_slip' => 'getPaySlip'
+        'pagination' => 'getPagination''problem' => 'getProblem''pay_slip' => 'getPaySlip'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setPaySlip($pay_slip)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PaySlips.php b/lib/Models/PayrollNz/PaySlips.php
index 902e0111..aada8474 100644
--- a/lib/Models/PayrollNz/PaySlips.php
+++ b/lib/Models/PayrollNz/PaySlips.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PaySlips Class Doc Comment
  *
@@ -56,9 +58,7 @@ class PaySlips implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'pay_slips' => '\XeroAPI\XeroPHP\Models\PayrollNz\PaySlip[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''pay_slips' => '\XeroAPI\XeroPHP\Models\PayrollNz\PaySlip[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class PaySlips implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'pay_slips' => null
+        'pagination' => null'problem' => null'pay_slips' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'pay_slips' => 'paySlips'
+        'pagination' => 'pagination''problem' => 'problem''pay_slips' => 'paySlips'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'pay_slips' => 'setPaySlips'
+        'pagination' => 'setPagination''problem' => 'setProblem''pay_slips' => 'setPaySlips'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'pay_slips' => 'getPaySlips'
+        'pagination' => 'getPagination''problem' => 'getProblem''pay_slips' => 'getPaySlips'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setPaySlips($pay_slips)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PaymentLine.php b/lib/Models/PayrollNz/PaymentLine.php
index 5413c985..91b26a43 100644
--- a/lib/Models/PayrollNz/PaymentLine.php
+++ b/lib/Models/PayrollNz/PaymentLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PaymentLine Class Doc Comment
  *
@@ -56,11 +58,7 @@ class PaymentLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'payment_line_id' => 'string',
-        'amount' => 'double',
-        'account_number' => 'string',
-        'sort_code' => 'string',
-        'account_name' => 'string'
+        'payment_line_id' => 'string''amount' => 'double''account_number' => 'string''sort_code' => 'string''account_name' => 'string'
     ];
 
     /**
@@ -69,11 +67,7 @@ class PaymentLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'payment_line_id' => 'uuid',
-        'amount' => 'double',
-        'account_number' => null,
-        'sort_code' => null,
-        'account_name' => null
+        'payment_line_id' => 'uuid''amount' => 'double''account_number' => null'sort_code' => null'account_name' => null
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'payment_line_id' => 'paymentLineID',
-        'amount' => 'amount',
-        'account_number' => 'accountNumber',
-        'sort_code' => 'sortCode',
-        'account_name' => 'accountName'
+        'payment_line_id' => 'paymentLineID''amount' => 'amount''account_number' => 'accountNumber''sort_code' => 'sortCode''account_name' => 'accountName'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'payment_line_id' => 'setPaymentLineId',
-        'amount' => 'setAmount',
-        'account_number' => 'setAccountNumber',
-        'sort_code' => 'setSortCode',
-        'account_name' => 'setAccountName'
+        'payment_line_id' => 'setPaymentLineId''amount' => 'setAmount''account_number' => 'setAccountNumber''sort_code' => 'setSortCode''account_name' => 'setAccountName'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'payment_line_id' => 'getPaymentLineId',
-        'amount' => 'getAmount',
-        'account_number' => 'getAccountNumber',
-        'sort_code' => 'getSortCode',
-        'account_name' => 'getAccountName'
+        'payment_line_id' => 'getPaymentLineId''amount' => 'getAmount''account_number' => 'getAccountNumber''sort_code' => 'getSortCode''account_name' => 'getAccountName'
     ];
 
     /**
@@ -368,6 +350,7 @@ public function setAccountName($account_name)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -380,6 +363,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -393,6 +377,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -409,6 +394,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PaymentMethod.php b/lib/Models/PayrollNz/PaymentMethod.php
index 031824a9..da8ce395 100644
--- a/lib/Models/PayrollNz/PaymentMethod.php
+++ b/lib/Models/PayrollNz/PaymentMethod.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PaymentMethod Class Doc Comment
  *
@@ -56,8 +58,7 @@ class PaymentMethod implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'payment_method' => 'string',
-        'bank_accounts' => '\XeroAPI\XeroPHP\Models\PayrollNz\BankAccount[]'
+        'payment_method' => 'string''bank_accounts' => '\XeroAPI\XeroPHP\Models\PayrollNz\BankAccount[]'
     ];
 
     /**
@@ -66,8 +67,7 @@ class PaymentMethod implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'payment_method' => null,
-        'bank_accounts' => null
+        'payment_method' => null'bank_accounts' => null
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'payment_method' => 'paymentMethod',
-        'bank_accounts' => 'bankAccounts'
+        'payment_method' => 'paymentMethod''bank_accounts' => 'bankAccounts'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'payment_method' => 'setPaymentMethod',
-        'bank_accounts' => 'setBankAccounts'
+        'payment_method' => 'setPaymentMethod''bank_accounts' => 'setBankAccounts'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'payment_method' => 'getPaymentMethod',
-        'bank_accounts' => 'getBankAccounts'
+        'payment_method' => 'getPaymentMethod''bank_accounts' => 'getBankAccounts'
     ];
 
     /**
@@ -303,6 +300,7 @@ public function setBankAccounts($bank_accounts)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -315,6 +313,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -328,6 +327,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -344,6 +344,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PaymentMethodObject.php b/lib/Models/PayrollNz/PaymentMethodObject.php
index 94c3b445..9f95513f 100644
--- a/lib/Models/PayrollNz/PaymentMethodObject.php
+++ b/lib/Models/PayrollNz/PaymentMethodObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PaymentMethodObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class PaymentMethodObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'payment_method' => '\XeroAPI\XeroPHP\Models\PayrollNz\PaymentMethod'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''payment_method' => '\XeroAPI\XeroPHP\Models\PayrollNz\PaymentMethod'
     ];
 
     /**
@@ -67,9 +67,7 @@ class PaymentMethodObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'payment_method' => null
+        'pagination' => null'problem' => null'payment_method' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'payment_method' => 'paymentMethod'
+        'pagination' => 'pagination''problem' => 'problem''payment_method' => 'paymentMethod'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'payment_method' => 'setPaymentMethod'
+        'pagination' => 'setPagination''problem' => 'setProblem''payment_method' => 'setPaymentMethod'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'payment_method' => 'getPaymentMethod'
+        'pagination' => 'getPagination''problem' => 'getProblem''payment_method' => 'getPaymentMethod'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setPaymentMethod($payment_method)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Problem.php b/lib/Models/PayrollNz/Problem.php
index f916ac29..ff85de3b 100644
--- a/lib/Models/PayrollNz/Problem.php
+++ b/lib/Models/PayrollNz/Problem.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Problem Class Doc Comment
  *
@@ -57,12 +59,7 @@ class Problem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'type' => 'string',
-        'title' => 'string',
-        'status' => 'string',
-        'detail' => 'string',
-        'instance' => 'string',
-        'invalid_fields' => '\XeroAPI\XeroPHP\Models\PayrollNz\InvalidField[]'
+        'type' => 'string''title' => 'string''status' => 'string''detail' => 'string''instance' => 'string''invalid_fields' => '\XeroAPI\XeroPHP\Models\PayrollNz\InvalidField[]'
     ];
 
     /**
@@ -71,12 +68,7 @@ class Problem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'type' => null,
-        'title' => null,
-        'status' => null,
-        'detail' => null,
-        'instance' => null,
-        'invalid_fields' => null
+        'type' => null'title' => null'status' => null'detail' => null'instance' => null'invalid_fields' => null
     ];
 
     /**
@@ -106,12 +98,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'type' => 'type',
-        'title' => 'title',
-        'status' => 'status',
-        'detail' => 'detail',
-        'instance' => 'instance',
-        'invalid_fields' => 'invalidFields'
+        'type' => 'type''title' => 'title''status' => 'status''detail' => 'detail''instance' => 'instance''invalid_fields' => 'invalidFields'
     ];
 
     /**
@@ -120,12 +107,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'type' => 'setType',
-        'title' => 'setTitle',
-        'status' => 'setStatus',
-        'detail' => 'setDetail',
-        'instance' => 'setInstance',
-        'invalid_fields' => 'setInvalidFields'
+        'type' => 'setType''title' => 'setTitle''status' => 'setStatus''detail' => 'setDetail''instance' => 'setInstance''invalid_fields' => 'setInvalidFields'
     ];
 
     /**
@@ -134,12 +116,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'type' => 'getType',
-        'title' => 'getTitle',
-        'status' => 'getStatus',
-        'detail' => 'getDetail',
-        'instance' => 'getInstance',
-        'invalid_fields' => 'getInvalidFields'
+        'type' => 'getType''title' => 'getTitle''status' => 'getStatus''detail' => 'getDetail''instance' => 'getInstance''invalid_fields' => 'getInvalidFields'
     ];
 
     /**
@@ -402,6 +379,7 @@ public function setInvalidFields($invalid_fields)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -414,6 +392,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -427,6 +406,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -443,6 +423,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Reimbursement.php b/lib/Models/PayrollNz/Reimbursement.php
index b47998fc..2fdc33b2 100644
--- a/lib/Models/PayrollNz/Reimbursement.php
+++ b/lib/Models/PayrollNz/Reimbursement.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Reimbursement Class Doc Comment
  *
@@ -56,15 +58,7 @@ class Reimbursement implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'reimbursement_id' => 'string',
-        'name' => 'string',
-        'account_id' => 'string',
-        'current_record' => 'bool',
-        'reimbursement_category' => 'string',
-        'calculation_type' => 'string',
-        'standard_amount' => 'string',
-        'standard_type_of_units' => 'string',
-        'standard_rate_per_unit' => 'double'
+        'reimbursement_id' => 'string''name' => 'string''account_id' => 'string''current_record' => 'bool''reimbursement_category' => 'string''calculation_type' => 'string''standard_amount' => 'string''standard_type_of_units' => 'string''standard_rate_per_unit' => 'double'
     ];
 
     /**
@@ -73,15 +67,7 @@ class Reimbursement implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'reimbursement_id' => 'uuid',
-        'name' => null,
-        'account_id' => 'uuid',
-        'current_record' => null,
-        'reimbursement_category' => null,
-        'calculation_type' => null,
-        'standard_amount' => null,
-        'standard_type_of_units' => null,
-        'standard_rate_per_unit' => 'double'
+        'reimbursement_id' => 'uuid''name' => null'account_id' => 'uuid''current_record' => null'reimbursement_category' => null'calculation_type' => null'standard_amount' => null'standard_type_of_units' => null'standard_rate_per_unit' => 'double'
     ];
 
     /**
@@ -111,15 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'reimbursement_id' => 'reimbursementID',
-        'name' => 'name',
-        'account_id' => 'accountID',
-        'current_record' => 'currentRecord',
-        'reimbursement_category' => 'reimbursementCategory',
-        'calculation_type' => 'calculationType',
-        'standard_amount' => 'standardAmount',
-        'standard_type_of_units' => 'standardTypeOfUnits',
-        'standard_rate_per_unit' => 'standardRatePerUnit'
+        'reimbursement_id' => 'reimbursementID''name' => 'name''account_id' => 'accountID''current_record' => 'currentRecord''reimbursement_category' => 'reimbursementCategory''calculation_type' => 'calculationType''standard_amount' => 'standardAmount''standard_type_of_units' => 'standardTypeOfUnits''standard_rate_per_unit' => 'standardRatePerUnit'
     ];
 
     /**
@@ -128,15 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'reimbursement_id' => 'setReimbursementId',
-        'name' => 'setName',
-        'account_id' => 'setAccountId',
-        'current_record' => 'setCurrentRecord',
-        'reimbursement_category' => 'setReimbursementCategory',
-        'calculation_type' => 'setCalculationType',
-        'standard_amount' => 'setStandardAmount',
-        'standard_type_of_units' => 'setStandardTypeOfUnits',
-        'standard_rate_per_unit' => 'setStandardRatePerUnit'
+        'reimbursement_id' => 'setReimbursementId''name' => 'setName''account_id' => 'setAccountId''current_record' => 'setCurrentRecord''reimbursement_category' => 'setReimbursementCategory''calculation_type' => 'setCalculationType''standard_amount' => 'setStandardAmount''standard_type_of_units' => 'setStandardTypeOfUnits''standard_rate_per_unit' => 'setStandardRatePerUnit'
     ];
 
     /**
@@ -145,15 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'reimbursement_id' => 'getReimbursementId',
-        'name' => 'getName',
-        'account_id' => 'getAccountId',
-        'current_record' => 'getCurrentRecord',
-        'reimbursement_category' => 'getReimbursementCategory',
-        'calculation_type' => 'getCalculationType',
-        'standard_amount' => 'getStandardAmount',
-        'standard_type_of_units' => 'getStandardTypeOfUnits',
-        'standard_rate_per_unit' => 'getStandardRatePerUnit'
+        'reimbursement_id' => 'getReimbursementId''name' => 'getName''account_id' => 'getAccountId''current_record' => 'getCurrentRecord''reimbursement_category' => 'getReimbursementCategory''calculation_type' => 'getCalculationType''standard_amount' => 'getStandardAmount''standard_type_of_units' => 'getStandardTypeOfUnits''standard_rate_per_unit' => 'getStandardRatePerUnit'
     ];
 
     /**
@@ -606,6 +568,7 @@ public function setStandardRatePerUnit($standard_rate_per_unit)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -618,6 +581,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -631,6 +595,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -647,6 +612,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/ReimbursementLine.php b/lib/Models/PayrollNz/ReimbursementLine.php
index df2ce662..97795178 100644
--- a/lib/Models/PayrollNz/ReimbursementLine.php
+++ b/lib/Models/PayrollNz/ReimbursementLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ReimbursementLine Class Doc Comment
  *
@@ -56,11 +58,7 @@ class ReimbursementLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'reimbursement_type_id' => 'string',
-        'description' => 'string',
-        'amount' => 'double',
-        'rate_per_unit' => 'double',
-        'number_of_units' => 'double'
+        'reimbursement_type_id' => 'string''description' => 'string''amount' => 'double''rate_per_unit' => 'double''number_of_units' => 'double'
     ];
 
     /**
@@ -69,11 +67,7 @@ class ReimbursementLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'reimbursement_type_id' => 'uuid',
-        'description' => null,
-        'amount' => 'double',
-        'rate_per_unit' => 'double',
-        'number_of_units' => 'double'
+        'reimbursement_type_id' => 'uuid''description' => null'amount' => 'double''rate_per_unit' => 'double''number_of_units' => 'double'
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'reimbursement_type_id' => 'reimbursementTypeID',
-        'description' => 'description',
-        'amount' => 'amount',
-        'rate_per_unit' => 'ratePerUnit',
-        'number_of_units' => 'numberOfUnits'
+        'reimbursement_type_id' => 'reimbursementTypeID''description' => 'description''amount' => 'amount''rate_per_unit' => 'ratePerUnit''number_of_units' => 'numberOfUnits'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'reimbursement_type_id' => 'setReimbursementTypeId',
-        'description' => 'setDescription',
-        'amount' => 'setAmount',
-        'rate_per_unit' => 'setRatePerUnit',
-        'number_of_units' => 'setNumberOfUnits'
+        'reimbursement_type_id' => 'setReimbursementTypeId''description' => 'setDescription''amount' => 'setAmount''rate_per_unit' => 'setRatePerUnit''number_of_units' => 'setNumberOfUnits'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'reimbursement_type_id' => 'getReimbursementTypeId',
-        'description' => 'getDescription',
-        'amount' => 'getAmount',
-        'rate_per_unit' => 'getRatePerUnit',
-        'number_of_units' => 'getNumberOfUnits'
+        'reimbursement_type_id' => 'getReimbursementTypeId''description' => 'getDescription''amount' => 'getAmount''rate_per_unit' => 'getRatePerUnit''number_of_units' => 'getNumberOfUnits'
     ];
 
     /**
@@ -368,6 +350,7 @@ public function setNumberOfUnits($number_of_units)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -380,6 +363,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -393,6 +377,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -409,6 +394,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/ReimbursementObject.php b/lib/Models/PayrollNz/ReimbursementObject.php
index b76379ee..6e725b02 100644
--- a/lib/Models/PayrollNz/ReimbursementObject.php
+++ b/lib/Models/PayrollNz/ReimbursementObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ReimbursementObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class ReimbursementObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'reimbursement' => '\XeroAPI\XeroPHP\Models\PayrollNz\Reimbursement'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''reimbursement' => '\XeroAPI\XeroPHP\Models\PayrollNz\Reimbursement'
     ];
 
     /**
@@ -67,9 +67,7 @@ class ReimbursementObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'reimbursement' => null
+        'pagination' => null'problem' => null'reimbursement' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'reimbursement' => 'reimbursement'
+        'pagination' => 'pagination''problem' => 'problem''reimbursement' => 'reimbursement'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'reimbursement' => 'setReimbursement'
+        'pagination' => 'setPagination''problem' => 'setProblem''reimbursement' => 'setReimbursement'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'reimbursement' => 'getReimbursement'
+        'pagination' => 'getPagination''problem' => 'getProblem''reimbursement' => 'getReimbursement'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setReimbursement($reimbursement)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Reimbursements.php b/lib/Models/PayrollNz/Reimbursements.php
index 0cda7369..f18b81de 100644
--- a/lib/Models/PayrollNz/Reimbursements.php
+++ b/lib/Models/PayrollNz/Reimbursements.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Reimbursements Class Doc Comment
  *
@@ -56,9 +58,7 @@ class Reimbursements implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'reimbursements' => '\XeroAPI\XeroPHP\Models\PayrollNz\Reimbursement[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''reimbursements' => '\XeroAPI\XeroPHP\Models\PayrollNz\Reimbursement[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class Reimbursements implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'reimbursements' => null
+        'pagination' => null'problem' => null'reimbursements' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'reimbursements' => 'reimbursements'
+        'pagination' => 'pagination''problem' => 'problem''reimbursements' => 'reimbursements'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'reimbursements' => 'setReimbursements'
+        'pagination' => 'setPagination''problem' => 'setProblem''reimbursements' => 'setReimbursements'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'reimbursements' => 'getReimbursements'
+        'pagination' => 'getPagination''problem' => 'getProblem''reimbursements' => 'getReimbursements'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setReimbursements($reimbursements)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/SalaryAndWage.php b/lib/Models/PayrollNz/SalaryAndWage.php
index 0b15a277..6cb91604 100644
--- a/lib/Models/PayrollNz/SalaryAndWage.php
+++ b/lib/Models/PayrollNz/SalaryAndWage.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * SalaryAndWage Class Doc Comment
  *
@@ -56,16 +58,7 @@ class SalaryAndWage implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'salary_and_wages_id' => 'string',
-        'earnings_rate_id' => 'string',
-        'number_of_units_per_week' => 'double',
-        'rate_per_unit' => 'double',
-        'number_of_units_per_day' => 'double',
-        'days_per_week' => 'double',
-        'effective_from' => '\DateTime',
-        'annual_salary' => 'double',
-        'status' => 'string',
-        'payment_type' => 'string'
+        'salary_and_wages_id' => 'string''earnings_rate_id' => 'string''number_of_units_per_week' => 'double''rate_per_unit' => 'double''number_of_units_per_day' => 'double''days_per_week' => 'double''effective_from' => '\DateTime''annual_salary' => 'double''status' => 'string''payment_type' => 'string'
     ];
 
     /**
@@ -74,16 +67,7 @@ class SalaryAndWage implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'salary_and_wages_id' => 'uuid',
-        'earnings_rate_id' => 'uuid',
-        'number_of_units_per_week' => 'double',
-        'rate_per_unit' => 'double',
-        'number_of_units_per_day' => 'double',
-        'days_per_week' => 'double',
-        'effective_from' => 'date',
-        'annual_salary' => 'double',
-        'status' => null,
-        'payment_type' => null
+        'salary_and_wages_id' => 'uuid''earnings_rate_id' => 'uuid''number_of_units_per_week' => 'double''rate_per_unit' => 'double''number_of_units_per_day' => 'double''days_per_week' => 'double''effective_from' => 'date''annual_salary' => 'double''status' => null'payment_type' => null
     ];
 
     /**
@@ -113,16 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'salary_and_wages_id' => 'salaryAndWagesID',
-        'earnings_rate_id' => 'earningsRateID',
-        'number_of_units_per_week' => 'numberOfUnitsPerWeek',
-        'rate_per_unit' => 'ratePerUnit',
-        'number_of_units_per_day' => 'numberOfUnitsPerDay',
-        'days_per_week' => 'daysPerWeek',
-        'effective_from' => 'effectiveFrom',
-        'annual_salary' => 'annualSalary',
-        'status' => 'status',
-        'payment_type' => 'paymentType'
+        'salary_and_wages_id' => 'salaryAndWagesID''earnings_rate_id' => 'earningsRateID''number_of_units_per_week' => 'numberOfUnitsPerWeek''rate_per_unit' => 'ratePerUnit''number_of_units_per_day' => 'numberOfUnitsPerDay''days_per_week' => 'daysPerWeek''effective_from' => 'effectiveFrom''annual_salary' => 'annualSalary''status' => 'status''payment_type' => 'paymentType'
     ];
 
     /**
@@ -131,16 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'salary_and_wages_id' => 'setSalaryAndWagesId',
-        'earnings_rate_id' => 'setEarningsRateId',
-        'number_of_units_per_week' => 'setNumberOfUnitsPerWeek',
-        'rate_per_unit' => 'setRatePerUnit',
-        'number_of_units_per_day' => 'setNumberOfUnitsPerDay',
-        'days_per_week' => 'setDaysPerWeek',
-        'effective_from' => 'setEffectiveFrom',
-        'annual_salary' => 'setAnnualSalary',
-        'status' => 'setStatus',
-        'payment_type' => 'setPaymentType'
+        'salary_and_wages_id' => 'setSalaryAndWagesId''earnings_rate_id' => 'setEarningsRateId''number_of_units_per_week' => 'setNumberOfUnitsPerWeek''rate_per_unit' => 'setRatePerUnit''number_of_units_per_day' => 'setNumberOfUnitsPerDay''days_per_week' => 'setDaysPerWeek''effective_from' => 'setEffectiveFrom''annual_salary' => 'setAnnualSalary''status' => 'setStatus''payment_type' => 'setPaymentType'
     ];
 
     /**
@@ -149,16 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'salary_and_wages_id' => 'getSalaryAndWagesId',
-        'earnings_rate_id' => 'getEarningsRateId',
-        'number_of_units_per_week' => 'getNumberOfUnitsPerWeek',
-        'rate_per_unit' => 'getRatePerUnit',
-        'number_of_units_per_day' => 'getNumberOfUnitsPerDay',
-        'days_per_week' => 'getDaysPerWeek',
-        'effective_from' => 'getEffectiveFrom',
-        'annual_salary' => 'getAnnualSalary',
-        'status' => 'getStatus',
-        'payment_type' => 'getPaymentType'
+        'salary_and_wages_id' => 'getSalaryAndWagesId''earnings_rate_id' => 'getEarningsRateId''number_of_units_per_week' => 'getNumberOfUnitsPerWeek''rate_per_unit' => 'getRatePerUnit''number_of_units_per_day' => 'getNumberOfUnitsPerDay''days_per_week' => 'getDaysPerWeek''effective_from' => 'getEffectiveFrom''annual_salary' => 'getAnnualSalary''status' => 'getStatus''payment_type' => 'getPaymentType'
     ];
 
     /**
@@ -620,6 +577,7 @@ public function setPaymentType($payment_type)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -632,6 +590,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -645,6 +604,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -661,6 +621,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/SalaryAndWageObject.php b/lib/Models/PayrollNz/SalaryAndWageObject.php
index 460413e8..d56cafca 100644
--- a/lib/Models/PayrollNz/SalaryAndWageObject.php
+++ b/lib/Models/PayrollNz/SalaryAndWageObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * SalaryAndWageObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class SalaryAndWageObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'salary_and_wages' => '\XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWage'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''salary_and_wages' => '\XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWage'
     ];
 
     /**
@@ -67,9 +67,7 @@ class SalaryAndWageObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'salary_and_wages' => null
+        'pagination' => null'problem' => null'salary_and_wages' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'salary_and_wages' => 'salaryAndWages'
+        'pagination' => 'pagination''problem' => 'problem''salary_and_wages' => 'salaryAndWages'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'salary_and_wages' => 'setSalaryAndWages'
+        'pagination' => 'setPagination''problem' => 'setProblem''salary_and_wages' => 'setSalaryAndWages'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'salary_and_wages' => 'getSalaryAndWages'
+        'pagination' => 'getPagination''problem' => 'getProblem''salary_and_wages' => 'getSalaryAndWages'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setSalaryAndWages($salary_and_wages)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/SalaryAndWages.php b/lib/Models/PayrollNz/SalaryAndWages.php
index ff7fb18f..ae5d15ca 100644
--- a/lib/Models/PayrollNz/SalaryAndWages.php
+++ b/lib/Models/PayrollNz/SalaryAndWages.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * SalaryAndWages Class Doc Comment
  *
@@ -56,9 +58,7 @@ class SalaryAndWages implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'salary_and_wages' => '\XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWage[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''salary_and_wages' => '\XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWage[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class SalaryAndWages implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'salary_and_wages' => null
+        'pagination' => null'problem' => null'salary_and_wages' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'salary_and_wages' => 'salaryAndWages'
+        'pagination' => 'pagination''problem' => 'problem''salary_and_wages' => 'salaryAndWages'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'salary_and_wages' => 'setSalaryAndWages'
+        'pagination' => 'setPagination''problem' => 'setProblem''salary_and_wages' => 'setSalaryAndWages'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'salary_and_wages' => 'getSalaryAndWages'
+        'pagination' => 'getPagination''problem' => 'getProblem''salary_and_wages' => 'getSalaryAndWages'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setSalaryAndWages($salary_and_wages)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Settings.php b/lib/Models/PayrollNz/Settings.php
index 66cb05b7..f43b027a 100644
--- a/lib/Models/PayrollNz/Settings.php
+++ b/lib/Models/PayrollNz/Settings.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Settings Class Doc Comment
  *
@@ -56,9 +58,7 @@ class Settings implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'settings' => '\XeroAPI\XeroPHP\Models\PayrollNz\Accounts'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''settings' => '\XeroAPI\XeroPHP\Models\PayrollNz\Accounts'
     ];
 
     /**
@@ -67,9 +67,7 @@ class Settings implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'settings' => null
+        'pagination' => null'problem' => null'settings' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'settings' => 'settings'
+        'pagination' => 'pagination''problem' => 'problem''settings' => 'settings'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'settings' => 'setSettings'
+        'pagination' => 'setPagination''problem' => 'setProblem''settings' => 'setSettings'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'settings' => 'getSettings'
+        'pagination' => 'getPagination''problem' => 'getProblem''settings' => 'getSettings'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setSettings($settings)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/StatutoryDeduction.php b/lib/Models/PayrollNz/StatutoryDeduction.php
index 23797c4f..4d97c3c5 100644
--- a/lib/Models/PayrollNz/StatutoryDeduction.php
+++ b/lib/Models/PayrollNz/StatutoryDeduction.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * StatutoryDeduction Class Doc Comment
  *
@@ -56,11 +58,7 @@ class StatutoryDeduction implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'id' => 'string',
-        'name' => 'string',
-        'statutory_deduction_category' => '\XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeductionCategory',
-        'liability_account_id' => 'string',
-        'current_record' => 'bool'
+        'id' => 'string''name' => 'string''statutory_deduction_category' => '\XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeductionCategory''liability_account_id' => 'string''current_record' => 'bool'
     ];
 
     /**
@@ -69,11 +67,7 @@ class StatutoryDeduction implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'id' => 'uuid',
-        'name' => null,
-        'statutory_deduction_category' => null,
-        'liability_account_id' => 'uuid',
-        'current_record' => null
+        'id' => 'uuid''name' => null'statutory_deduction_category' => null'liability_account_id' => 'uuid''current_record' => null
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'id' => 'id',
-        'name' => 'name',
-        'statutory_deduction_category' => 'statutoryDeductionCategory',
-        'liability_account_id' => 'liabilityAccountId',
-        'current_record' => 'currentRecord'
+        'id' => 'id''name' => 'name''statutory_deduction_category' => 'statutoryDeductionCategory''liability_account_id' => 'liabilityAccountId''current_record' => 'currentRecord'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'id' => 'setId',
-        'name' => 'setName',
-        'statutory_deduction_category' => 'setStatutoryDeductionCategory',
-        'liability_account_id' => 'setLiabilityAccountId',
-        'current_record' => 'setCurrentRecord'
+        'id' => 'setId''name' => 'setName''statutory_deduction_category' => 'setStatutoryDeductionCategory''liability_account_id' => 'setLiabilityAccountId''current_record' => 'setCurrentRecord'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'id' => 'getId',
-        'name' => 'getName',
-        'statutory_deduction_category' => 'getStatutoryDeductionCategory',
-        'liability_account_id' => 'getLiabilityAccountId',
-        'current_record' => 'getCurrentRecord'
+        'id' => 'getId''name' => 'getName''statutory_deduction_category' => 'getStatutoryDeductionCategory''liability_account_id' => 'getLiabilityAccountId''current_record' => 'getCurrentRecord'
     ];
 
     /**
@@ -368,6 +350,7 @@ public function setCurrentRecord($current_record)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -380,6 +363,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -393,6 +377,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -409,6 +394,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/StatutoryDeductionCategory.php b/lib/Models/PayrollNz/StatutoryDeductionCategory.php
index 4359a1bb..a4cd9b04 100644
--- a/lib/Models/PayrollNz/StatutoryDeductionCategory.php
+++ b/lib/Models/PayrollNz/StatutoryDeductionCategory.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollNz;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * StatutoryDeductionCategory Class Doc Comment
  *
diff --git a/lib/Models/PayrollNz/StatutoryDeductionLine.php b/lib/Models/PayrollNz/StatutoryDeductionLine.php
index daa57314..fc0ab39f 100644
--- a/lib/Models/PayrollNz/StatutoryDeductionLine.php
+++ b/lib/Models/PayrollNz/StatutoryDeductionLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * StatutoryDeductionLine Class Doc Comment
  *
@@ -56,10 +58,7 @@ class StatutoryDeductionLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'statutory_deduction_type_id' => 'string',
-        'amount' => 'double',
-        'fixed_amount' => 'double',
-        'manual_adjustment' => 'bool'
+        'statutory_deduction_type_id' => 'string''amount' => 'double''fixed_amount' => 'double''manual_adjustment' => 'bool'
     ];
 
     /**
@@ -68,10 +67,7 @@ class StatutoryDeductionLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'statutory_deduction_type_id' => 'uuid',
-        'amount' => 'double',
-        'fixed_amount' => 'double',
-        'manual_adjustment' => null
+        'statutory_deduction_type_id' => 'uuid''amount' => 'double''fixed_amount' => 'double''manual_adjustment' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'statutory_deduction_type_id' => 'statutoryDeductionTypeID',
-        'amount' => 'amount',
-        'fixed_amount' => 'fixedAmount',
-        'manual_adjustment' => 'manualAdjustment'
+        'statutory_deduction_type_id' => 'statutoryDeductionTypeID''amount' => 'amount''fixed_amount' => 'fixedAmount''manual_adjustment' => 'manualAdjustment'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'statutory_deduction_type_id' => 'setStatutoryDeductionTypeId',
-        'amount' => 'setAmount',
-        'fixed_amount' => 'setFixedAmount',
-        'manual_adjustment' => 'setManualAdjustment'
+        'statutory_deduction_type_id' => 'setStatutoryDeductionTypeId''amount' => 'setAmount''fixed_amount' => 'setFixedAmount''manual_adjustment' => 'setManualAdjustment'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'statutory_deduction_type_id' => 'getStatutoryDeductionTypeId',
-        'amount' => 'getAmount',
-        'fixed_amount' => 'getFixedAmount',
-        'manual_adjustment' => 'getManualAdjustment'
+        'statutory_deduction_type_id' => 'getStatutoryDeductionTypeId''amount' => 'getAmount''fixed_amount' => 'getFixedAmount''manual_adjustment' => 'getManualAdjustment'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setManualAdjustment($manual_adjustment)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/StatutoryDeductionObject.php b/lib/Models/PayrollNz/StatutoryDeductionObject.php
index e45991a1..5d21e716 100644
--- a/lib/Models/PayrollNz/StatutoryDeductionObject.php
+++ b/lib/Models/PayrollNz/StatutoryDeductionObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * StatutoryDeductionObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class StatutoryDeductionObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'statutory_deduction' => '\XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeduction'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''statutory_deduction' => '\XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeduction'
     ];
 
     /**
@@ -67,9 +67,7 @@ class StatutoryDeductionObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'statutory_deduction' => null
+        'pagination' => null'problem' => null'statutory_deduction' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'statutory_deduction' => 'statutoryDeduction'
+        'pagination' => 'pagination''problem' => 'problem''statutory_deduction' => 'statutoryDeduction'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'statutory_deduction' => 'setStatutoryDeduction'
+        'pagination' => 'setPagination''problem' => 'setProblem''statutory_deduction' => 'setStatutoryDeduction'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'statutory_deduction' => 'getStatutoryDeduction'
+        'pagination' => 'getPagination''problem' => 'getProblem''statutory_deduction' => 'getStatutoryDeduction'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setStatutoryDeduction($statutory_deduction)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/StatutoryDeductions.php b/lib/Models/PayrollNz/StatutoryDeductions.php
index 3edbf7ff..d3cee1c6 100644
--- a/lib/Models/PayrollNz/StatutoryDeductions.php
+++ b/lib/Models/PayrollNz/StatutoryDeductions.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * StatutoryDeductions Class Doc Comment
  *
@@ -56,9 +58,7 @@ class StatutoryDeductions implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'statutory_deductions' => '\XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeduction[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''statutory_deductions' => '\XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeduction[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class StatutoryDeductions implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'statutory_deductions' => null
+        'pagination' => null'problem' => null'statutory_deductions' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'statutory_deductions' => 'statutoryDeductions'
+        'pagination' => 'pagination''problem' => 'problem''statutory_deductions' => 'statutoryDeductions'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'statutory_deductions' => 'setStatutoryDeductions'
+        'pagination' => 'setPagination''problem' => 'setProblem''statutory_deductions' => 'setStatutoryDeductions'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'statutory_deductions' => 'getStatutoryDeductions'
+        'pagination' => 'getPagination''problem' => 'getProblem''statutory_deductions' => 'getStatutoryDeductions'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setStatutoryDeductions($statutory_deductions)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/SuperannuationLine.php b/lib/Models/PayrollNz/SuperannuationLine.php
index b7f923a1..b27b1c18 100644
--- a/lib/Models/PayrollNz/SuperannuationLine.php
+++ b/lib/Models/PayrollNz/SuperannuationLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * SuperannuationLine Class Doc Comment
  *
@@ -56,12 +58,7 @@ class SuperannuationLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'superannuation_type_id' => 'string',
-        'display_name' => 'string',
-        'amount' => 'double',
-        'fixed_amount' => 'double',
-        'percentage' => 'double',
-        'manual_adjustment' => 'bool'
+        'superannuation_type_id' => 'string''display_name' => 'string''amount' => 'double''fixed_amount' => 'double''percentage' => 'double''manual_adjustment' => 'bool'
     ];
 
     /**
@@ -70,12 +67,7 @@ class SuperannuationLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'superannuation_type_id' => 'uuid',
-        'display_name' => null,
-        'amount' => 'double',
-        'fixed_amount' => 'double',
-        'percentage' => 'double',
-        'manual_adjustment' => null
+        'superannuation_type_id' => 'uuid''display_name' => null'amount' => 'double''fixed_amount' => 'double''percentage' => 'double''manual_adjustment' => null
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'superannuation_type_id' => 'superannuationTypeID',
-        'display_name' => 'displayName',
-        'amount' => 'amount',
-        'fixed_amount' => 'fixedAmount',
-        'percentage' => 'percentage',
-        'manual_adjustment' => 'manualAdjustment'
+        'superannuation_type_id' => 'superannuationTypeID''display_name' => 'displayName''amount' => 'amount''fixed_amount' => 'fixedAmount''percentage' => 'percentage''manual_adjustment' => 'manualAdjustment'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'superannuation_type_id' => 'setSuperannuationTypeId',
-        'display_name' => 'setDisplayName',
-        'amount' => 'setAmount',
-        'fixed_amount' => 'setFixedAmount',
-        'percentage' => 'setPercentage',
-        'manual_adjustment' => 'setManualAdjustment'
+        'superannuation_type_id' => 'setSuperannuationTypeId''display_name' => 'setDisplayName''amount' => 'setAmount''fixed_amount' => 'setFixedAmount''percentage' => 'setPercentage''manual_adjustment' => 'setManualAdjustment'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'superannuation_type_id' => 'getSuperannuationTypeId',
-        'display_name' => 'getDisplayName',
-        'amount' => 'getAmount',
-        'fixed_amount' => 'getFixedAmount',
-        'percentage' => 'getPercentage',
-        'manual_adjustment' => 'getManualAdjustment'
+        'superannuation_type_id' => 'getSuperannuationTypeId''display_name' => 'getDisplayName''amount' => 'getAmount''fixed_amount' => 'getFixedAmount''percentage' => 'getPercentage''manual_adjustment' => 'getManualAdjustment'
     ];
 
     /**
@@ -401,6 +378,7 @@ public function setManualAdjustment($manual_adjustment)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -413,6 +391,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -426,6 +405,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -442,6 +422,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/SuperannuationObject.php b/lib/Models/PayrollNz/SuperannuationObject.php
index 49f2956d..38a7595c 100644
--- a/lib/Models/PayrollNz/SuperannuationObject.php
+++ b/lib/Models/PayrollNz/SuperannuationObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * SuperannuationObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class SuperannuationObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'benefit' => '\XeroAPI\XeroPHP\Models\PayrollNz\Benefit'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''benefit' => '\XeroAPI\XeroPHP\Models\PayrollNz\Benefit'
     ];
 
     /**
@@ -67,9 +67,7 @@ class SuperannuationObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'benefit' => null
+        'pagination' => null'problem' => null'benefit' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'benefit' => 'benefit'
+        'pagination' => 'pagination''problem' => 'problem''benefit' => 'benefit'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'benefit' => 'setBenefit'
+        'pagination' => 'setPagination''problem' => 'setProblem''benefit' => 'setBenefit'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'benefit' => 'getBenefit'
+        'pagination' => 'getPagination''problem' => 'getProblem''benefit' => 'getBenefit'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setBenefit($benefit)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Superannuations.php b/lib/Models/PayrollNz/Superannuations.php
index 68cbf7c5..817af970 100644
--- a/lib/Models/PayrollNz/Superannuations.php
+++ b/lib/Models/PayrollNz/Superannuations.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Superannuations Class Doc Comment
  *
@@ -56,9 +58,7 @@ class Superannuations implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'benefits' => '\XeroAPI\XeroPHP\Models\PayrollNz\Benefit[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''benefits' => '\XeroAPI\XeroPHP\Models\PayrollNz\Benefit[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class Superannuations implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'benefits' => null
+        'pagination' => null'problem' => null'benefits' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'benefits' => 'benefits'
+        'pagination' => 'pagination''problem' => 'problem''benefits' => 'benefits'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'benefits' => 'setBenefits'
+        'pagination' => 'setPagination''problem' => 'setProblem''benefits' => 'setBenefits'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'benefits' => 'getBenefits'
+        'pagination' => 'getPagination''problem' => 'getProblem''benefits' => 'getBenefits'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setBenefits($benefits)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/TaxCode.php b/lib/Models/PayrollNz/TaxCode.php
index c76dc6af..c2891fc1 100644
--- a/lib/Models/PayrollNz/TaxCode.php
+++ b/lib/Models/PayrollNz/TaxCode.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollNz;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TaxCode Class Doc Comment
  *
diff --git a/lib/Models/PayrollNz/TaxLine.php b/lib/Models/PayrollNz/TaxLine.php
index 0e0aeef2..c0866bc6 100644
--- a/lib/Models/PayrollNz/TaxLine.php
+++ b/lib/Models/PayrollNz/TaxLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TaxLine Class Doc Comment
  *
@@ -56,11 +58,7 @@ class TaxLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'tax_line_id' => 'string',
-        'description' => 'string',
-        'amount' => 'double',
-        'global_tax_type_id' => 'string',
-        'manual_adjustment' => 'bool'
+        'tax_line_id' => 'string''description' => 'string''amount' => 'double''global_tax_type_id' => 'string''manual_adjustment' => 'bool'
     ];
 
     /**
@@ -69,11 +67,7 @@ class TaxLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'tax_line_id' => 'uuid',
-        'description' => null,
-        'amount' => 'double',
-        'global_tax_type_id' => null,
-        'manual_adjustment' => null
+        'tax_line_id' => 'uuid''description' => null'amount' => 'double''global_tax_type_id' => null'manual_adjustment' => null
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'tax_line_id' => 'taxLineID',
-        'description' => 'description',
-        'amount' => 'amount',
-        'global_tax_type_id' => 'globalTaxTypeID',
-        'manual_adjustment' => 'manualAdjustment'
+        'tax_line_id' => 'taxLineID''description' => 'description''amount' => 'amount''global_tax_type_id' => 'globalTaxTypeID''manual_adjustment' => 'manualAdjustment'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'tax_line_id' => 'setTaxLineId',
-        'description' => 'setDescription',
-        'amount' => 'setAmount',
-        'global_tax_type_id' => 'setGlobalTaxTypeId',
-        'manual_adjustment' => 'setManualAdjustment'
+        'tax_line_id' => 'setTaxLineId''description' => 'setDescription''amount' => 'setAmount''global_tax_type_id' => 'setGlobalTaxTypeId''manual_adjustment' => 'setManualAdjustment'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'tax_line_id' => 'getTaxLineId',
-        'description' => 'getDescription',
-        'amount' => 'getAmount',
-        'global_tax_type_id' => 'getGlobalTaxTypeId',
-        'manual_adjustment' => 'getManualAdjustment'
+        'tax_line_id' => 'getTaxLineId''description' => 'getDescription''amount' => 'getAmount''global_tax_type_id' => 'getGlobalTaxTypeId''manual_adjustment' => 'getManualAdjustment'
     ];
 
     /**
@@ -368,6 +350,7 @@ public function setManualAdjustment($manual_adjustment)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -380,6 +363,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -393,6 +377,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -409,6 +394,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/TaxSettings.php b/lib/Models/PayrollNz/TaxSettings.php
index 132b3d8a..c5b925ec 100644
--- a/lib/Models/PayrollNz/TaxSettings.php
+++ b/lib/Models/PayrollNz/TaxSettings.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TaxSettings Class Doc Comment
  *
@@ -56,12 +58,7 @@ class TaxSettings implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'period_units' => 'double',
-        'period_type' => 'string',
-        'tax_code' => '\XeroAPI\XeroPHP\Models\PayrollNz\TaxCode',
-        'special_tax_rate' => 'string',
-        'lump_sum_tax_code' => 'string',
-        'lump_sum_amount' => 'string'
+        'period_units' => 'double''period_type' => 'string''tax_code' => '\XeroAPI\XeroPHP\Models\PayrollNz\TaxCode''special_tax_rate' => 'string''lump_sum_tax_code' => 'string''lump_sum_amount' => 'string'
     ];
 
     /**
@@ -70,12 +67,7 @@ class TaxSettings implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'period_units' => 'double',
-        'period_type' => null,
-        'tax_code' => null,
-        'special_tax_rate' => null,
-        'lump_sum_tax_code' => null,
-        'lump_sum_amount' => null
+        'period_units' => 'double''period_type' => null'tax_code' => null'special_tax_rate' => null'lump_sum_tax_code' => null'lump_sum_amount' => null
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'period_units' => 'periodUnits',
-        'period_type' => 'periodType',
-        'tax_code' => 'taxCode',
-        'special_tax_rate' => 'specialTaxRate',
-        'lump_sum_tax_code' => 'lumpSumTaxCode',
-        'lump_sum_amount' => 'lumpSumAmount'
+        'period_units' => 'periodUnits''period_type' => 'periodType''tax_code' => 'taxCode''special_tax_rate' => 'specialTaxRate''lump_sum_tax_code' => 'lumpSumTaxCode''lump_sum_amount' => 'lumpSumAmount'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'period_units' => 'setPeriodUnits',
-        'period_type' => 'setPeriodType',
-        'tax_code' => 'setTaxCode',
-        'special_tax_rate' => 'setSpecialTaxRate',
-        'lump_sum_tax_code' => 'setLumpSumTaxCode',
-        'lump_sum_amount' => 'setLumpSumAmount'
+        'period_units' => 'setPeriodUnits''period_type' => 'setPeriodType''tax_code' => 'setTaxCode''special_tax_rate' => 'setSpecialTaxRate''lump_sum_tax_code' => 'setLumpSumTaxCode''lump_sum_amount' => 'setLumpSumAmount'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'period_units' => 'getPeriodUnits',
-        'period_type' => 'getPeriodType',
-        'tax_code' => 'getTaxCode',
-        'special_tax_rate' => 'getSpecialTaxRate',
-        'lump_sum_tax_code' => 'getLumpSumTaxCode',
-        'lump_sum_amount' => 'getLumpSumAmount'
+        'period_units' => 'getPeriodUnits''period_type' => 'getPeriodType''tax_code' => 'getTaxCode''special_tax_rate' => 'getSpecialTaxRate''lump_sum_tax_code' => 'getLumpSumTaxCode''lump_sum_amount' => 'getLumpSumAmount'
     ];
 
     /**
@@ -433,6 +410,7 @@ public function setLumpSumAmount($lump_sum_amount)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -445,6 +423,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -458,6 +437,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -474,6 +454,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Timesheet.php b/lib/Models/PayrollNz/Timesheet.php
index 09b6ed7f..1b3449e7 100644
--- a/lib/Models/PayrollNz/Timesheet.php
+++ b/lib/Models/PayrollNz/Timesheet.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Timesheet Class Doc Comment
  *
@@ -56,15 +58,7 @@ class Timesheet implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'timesheet_id' => 'string',
-        'payroll_calendar_id' => 'string',
-        'employee_id' => 'string',
-        'start_date' => '\DateTime',
-        'end_date' => '\DateTime',
-        'status' => 'string',
-        'total_hours' => 'double',
-        'updated_date_utc' => '\DateTime',
-        'timesheet_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine[]'
+        'timesheet_id' => 'string''payroll_calendar_id' => 'string''employee_id' => 'string''start_date' => '\DateTime''end_date' => '\DateTime''status' => 'string''total_hours' => 'double''updated_date_utc' => '\DateTime''timesheet_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine[]'
     ];
 
     /**
@@ -73,15 +67,7 @@ class Timesheet implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'timesheet_id' => 'uuid',
-        'payroll_calendar_id' => 'uuid',
-        'employee_id' => 'uuid',
-        'start_date' => 'date',
-        'end_date' => 'date',
-        'status' => null,
-        'total_hours' => 'double',
-        'updated_date_utc' => 'date-time',
-        'timesheet_lines' => null
+        'timesheet_id' => 'uuid''payroll_calendar_id' => 'uuid''employee_id' => 'uuid''start_date' => 'date''end_date' => 'date''status' => null'total_hours' => 'double''updated_date_utc' => 'date-time''timesheet_lines' => null
     ];
 
     /**
@@ -111,15 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'timesheet_id' => 'timesheetID',
-        'payroll_calendar_id' => 'payrollCalendarID',
-        'employee_id' => 'employeeID',
-        'start_date' => 'startDate',
-        'end_date' => 'endDate',
-        'status' => 'status',
-        'total_hours' => 'totalHours',
-        'updated_date_utc' => 'updatedDateUTC',
-        'timesheet_lines' => 'timesheetLines'
+        'timesheet_id' => 'timesheetID''payroll_calendar_id' => 'payrollCalendarID''employee_id' => 'employeeID''start_date' => 'startDate''end_date' => 'endDate''status' => 'status''total_hours' => 'totalHours''updated_date_utc' => 'updatedDateUTC''timesheet_lines' => 'timesheetLines'
     ];
 
     /**
@@ -128,15 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'timesheet_id' => 'setTimesheetId',
-        'payroll_calendar_id' => 'setPayrollCalendarId',
-        'employee_id' => 'setEmployeeId',
-        'start_date' => 'setStartDate',
-        'end_date' => 'setEndDate',
-        'status' => 'setStatus',
-        'total_hours' => 'setTotalHours',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'timesheet_lines' => 'setTimesheetLines'
+        'timesheet_id' => 'setTimesheetId''payroll_calendar_id' => 'setPayrollCalendarId''employee_id' => 'setEmployeeId''start_date' => 'setStartDate''end_date' => 'setEndDate''status' => 'setStatus''total_hours' => 'setTotalHours''updated_date_utc' => 'setUpdatedDateUtc''timesheet_lines' => 'setTimesheetLines'
     ];
 
     /**
@@ -145,15 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'timesheet_id' => 'getTimesheetId',
-        'payroll_calendar_id' => 'getPayrollCalendarId',
-        'employee_id' => 'getEmployeeId',
-        'start_date' => 'getStartDate',
-        'end_date' => 'getEndDate',
-        'status' => 'getStatus',
-        'total_hours' => 'getTotalHours',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'timesheet_lines' => 'getTimesheetLines'
+        'timesheet_id' => 'getTimesheetId''payroll_calendar_id' => 'getPayrollCalendarId''employee_id' => 'getEmployeeId''start_date' => 'getStartDate''end_date' => 'getEndDate''status' => 'getStatus''total_hours' => 'getTotalHours''updated_date_utc' => 'getUpdatedDateUtc''timesheet_lines' => 'getTimesheetLines'
     ];
 
     /**
@@ -548,6 +510,7 @@ public function setTimesheetLines($timesheet_lines)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -560,6 +523,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -573,6 +537,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -589,6 +554,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/TimesheetEarningsLine.php b/lib/Models/PayrollNz/TimesheetEarningsLine.php
index 6ba67533..547beea6 100644
--- a/lib/Models/PayrollNz/TimesheetEarningsLine.php
+++ b/lib/Models/PayrollNz/TimesheetEarningsLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TimesheetEarningsLine Class Doc Comment
  *
@@ -56,16 +58,7 @@ class TimesheetEarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_line_id' => 'string',
-        'earnings_rate_id' => 'string',
-        'display_name' => 'string',
-        'rate_per_unit' => 'double',
-        'number_of_units' => 'double',
-        'fixed_amount' => 'double',
-        'amount' => 'double',
-        'is_linked_to_timesheet' => 'bool',
-        'is_average_daily_pay_rate' => 'bool',
-        'is_system_generated' => 'bool'
+        'earnings_line_id' => 'string''earnings_rate_id' => 'string''display_name' => 'string''rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''amount' => 'double''is_linked_to_timesheet' => 'bool''is_average_daily_pay_rate' => 'bool''is_system_generated' => 'bool'
     ];
 
     /**
@@ -74,16 +67,7 @@ class TimesheetEarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_line_id' => 'uuid',
-        'earnings_rate_id' => 'uuid',
-        'display_name' => null,
-        'rate_per_unit' => 'double',
-        'number_of_units' => 'double',
-        'fixed_amount' => 'double',
-        'amount' => 'double',
-        'is_linked_to_timesheet' => null,
-        'is_average_daily_pay_rate' => null,
-        'is_system_generated' => null
+        'earnings_line_id' => 'uuid''earnings_rate_id' => 'uuid''display_name' => null'rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''amount' => 'double''is_linked_to_timesheet' => null'is_average_daily_pay_rate' => null'is_system_generated' => null
     ];
 
     /**
@@ -113,16 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_line_id' => 'earningsLineID',
-        'earnings_rate_id' => 'earningsRateID',
-        'display_name' => 'displayName',
-        'rate_per_unit' => 'ratePerUnit',
-        'number_of_units' => 'numberOfUnits',
-        'fixed_amount' => 'fixedAmount',
-        'amount' => 'amount',
-        'is_linked_to_timesheet' => 'isLinkedToTimesheet',
-        'is_average_daily_pay_rate' => 'isAverageDailyPayRate',
-        'is_system_generated' => 'isSystemGenerated'
+        'earnings_line_id' => 'earningsLineID''earnings_rate_id' => 'earningsRateID''display_name' => 'displayName''rate_per_unit' => 'ratePerUnit''number_of_units' => 'numberOfUnits''fixed_amount' => 'fixedAmount''amount' => 'amount''is_linked_to_timesheet' => 'isLinkedToTimesheet''is_average_daily_pay_rate' => 'isAverageDailyPayRate''is_system_generated' => 'isSystemGenerated'
     ];
 
     /**
@@ -131,16 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_line_id' => 'setEarningsLineId',
-        'earnings_rate_id' => 'setEarningsRateId',
-        'display_name' => 'setDisplayName',
-        'rate_per_unit' => 'setRatePerUnit',
-        'number_of_units' => 'setNumberOfUnits',
-        'fixed_amount' => 'setFixedAmount',
-        'amount' => 'setAmount',
-        'is_linked_to_timesheet' => 'setIsLinkedToTimesheet',
-        'is_average_daily_pay_rate' => 'setIsAverageDailyPayRate',
-        'is_system_generated' => 'setIsSystemGenerated'
+        'earnings_line_id' => 'setEarningsLineId''earnings_rate_id' => 'setEarningsRateId''display_name' => 'setDisplayName''rate_per_unit' => 'setRatePerUnit''number_of_units' => 'setNumberOfUnits''fixed_amount' => 'setFixedAmount''amount' => 'setAmount''is_linked_to_timesheet' => 'setIsLinkedToTimesheet''is_average_daily_pay_rate' => 'setIsAverageDailyPayRate''is_system_generated' => 'setIsSystemGenerated'
     ];
 
     /**
@@ -149,16 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_line_id' => 'getEarningsLineId',
-        'earnings_rate_id' => 'getEarningsRateId',
-        'display_name' => 'getDisplayName',
-        'rate_per_unit' => 'getRatePerUnit',
-        'number_of_units' => 'getNumberOfUnits',
-        'fixed_amount' => 'getFixedAmount',
-        'amount' => 'getAmount',
-        'is_linked_to_timesheet' => 'getIsLinkedToTimesheet',
-        'is_average_daily_pay_rate' => 'getIsAverageDailyPayRate',
-        'is_system_generated' => 'getIsSystemGenerated'
+        'earnings_line_id' => 'getEarningsLineId''earnings_rate_id' => 'getEarningsRateId''display_name' => 'getDisplayName''rate_per_unit' => 'getRatePerUnit''number_of_units' => 'getNumberOfUnits''fixed_amount' => 'getFixedAmount''amount' => 'getAmount''is_linked_to_timesheet' => 'getIsLinkedToTimesheet''is_average_daily_pay_rate' => 'getIsAverageDailyPayRate''is_system_generated' => 'getIsSystemGenerated'
     ];
 
     /**
@@ -533,6 +490,7 @@ public function setIsSystemGenerated($is_system_generated)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -545,6 +503,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -558,6 +517,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -574,6 +534,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/TimesheetLine.php b/lib/Models/PayrollNz/TimesheetLine.php
index c9d0146b..a18fa48d 100644
--- a/lib/Models/PayrollNz/TimesheetLine.php
+++ b/lib/Models/PayrollNz/TimesheetLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TimesheetLine Class Doc Comment
  *
@@ -56,11 +58,7 @@ class TimesheetLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'timesheet_line_id' => 'string',
-        'date' => '\DateTime',
-        'earnings_rate_id' => 'string',
-        'tracking_item_id' => 'string',
-        'number_of_units' => 'double'
+        'timesheet_line_id' => 'string''date' => '\DateTime''earnings_rate_id' => 'string''tracking_item_id' => 'string''number_of_units' => 'double'
     ];
 
     /**
@@ -69,11 +67,7 @@ class TimesheetLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'timesheet_line_id' => 'uuid',
-        'date' => 'date',
-        'earnings_rate_id' => 'uuid',
-        'tracking_item_id' => 'uuid',
-        'number_of_units' => 'double'
+        'timesheet_line_id' => 'uuid''date' => 'date''earnings_rate_id' => 'uuid''tracking_item_id' => 'uuid''number_of_units' => 'double'
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'timesheet_line_id' => 'timesheetLineID',
-        'date' => 'date',
-        'earnings_rate_id' => 'earningsRateID',
-        'tracking_item_id' => 'trackingItemID',
-        'number_of_units' => 'numberOfUnits'
+        'timesheet_line_id' => 'timesheetLineID''date' => 'date''earnings_rate_id' => 'earningsRateID''tracking_item_id' => 'trackingItemID''number_of_units' => 'numberOfUnits'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'timesheet_line_id' => 'setTimesheetLineId',
-        'date' => 'setDate',
-        'earnings_rate_id' => 'setEarningsRateId',
-        'tracking_item_id' => 'setTrackingItemId',
-        'number_of_units' => 'setNumberOfUnits'
+        'timesheet_line_id' => 'setTimesheetLineId''date' => 'setDate''earnings_rate_id' => 'setEarningsRateId''tracking_item_id' => 'setTrackingItemId''number_of_units' => 'setNumberOfUnits'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'timesheet_line_id' => 'getTimesheetLineId',
-        'date' => 'getDate',
-        'earnings_rate_id' => 'getEarningsRateId',
-        'tracking_item_id' => 'getTrackingItemId',
-        'number_of_units' => 'getNumberOfUnits'
+        'timesheet_line_id' => 'getTimesheetLineId''date' => 'getDate''earnings_rate_id' => 'getEarningsRateId''tracking_item_id' => 'getTrackingItemId''number_of_units' => 'getNumberOfUnits'
     ];
 
     /**
@@ -377,6 +359,7 @@ public function setNumberOfUnits($number_of_units)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -389,6 +372,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -402,6 +386,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -418,6 +403,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/TimesheetLineObject.php b/lib/Models/PayrollNz/TimesheetLineObject.php
index bc894947..a0034a91 100644
--- a/lib/Models/PayrollNz/TimesheetLineObject.php
+++ b/lib/Models/PayrollNz/TimesheetLineObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TimesheetLineObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class TimesheetLineObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'timesheet_line' => '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''timesheet_line' => '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine'
     ];
 
     /**
@@ -67,9 +67,7 @@ class TimesheetLineObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'timesheet_line' => null
+        'pagination' => null'problem' => null'timesheet_line' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'timesheet_line' => 'timesheetLine'
+        'pagination' => 'pagination''problem' => 'problem''timesheet_line' => 'timesheetLine'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'timesheet_line' => 'setTimesheetLine'
+        'pagination' => 'setPagination''problem' => 'setProblem''timesheet_line' => 'setTimesheetLine'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'timesheet_line' => 'getTimesheetLine'
+        'pagination' => 'getPagination''problem' => 'getProblem''timesheet_line' => 'getTimesheetLine'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setTimesheetLine($timesheet_line)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/TimesheetObject.php b/lib/Models/PayrollNz/TimesheetObject.php
index 1bf75ad4..742f14cc 100644
--- a/lib/Models/PayrollNz/TimesheetObject.php
+++ b/lib/Models/PayrollNz/TimesheetObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TimesheetObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class TimesheetObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'timesheet' => '\XeroAPI\XeroPHP\Models\PayrollNz\Timesheet'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''timesheet' => '\XeroAPI\XeroPHP\Models\PayrollNz\Timesheet'
     ];
 
     /**
@@ -67,9 +67,7 @@ class TimesheetObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'timesheet' => null
+        'pagination' => null'problem' => null'timesheet' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'timesheet' => 'timesheet'
+        'pagination' => 'pagination''problem' => 'problem''timesheet' => 'timesheet'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'timesheet' => 'setTimesheet'
+        'pagination' => 'setPagination''problem' => 'setProblem''timesheet' => 'setTimesheet'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'timesheet' => 'getTimesheet'
+        'pagination' => 'getPagination''problem' => 'getProblem''timesheet' => 'getTimesheet'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setTimesheet($timesheet)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Timesheets.php b/lib/Models/PayrollNz/Timesheets.php
index 4dfa7156..5792e1d1 100644
--- a/lib/Models/PayrollNz/Timesheets.php
+++ b/lib/Models/PayrollNz/Timesheets.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Timesheets Class Doc Comment
  *
@@ -56,9 +58,7 @@ class Timesheets implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'timesheets' => '\XeroAPI\XeroPHP\Models\PayrollNz\Timesheet[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''timesheets' => '\XeroAPI\XeroPHP\Models\PayrollNz\Timesheet[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class Timesheets implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'timesheets' => null
+        'pagination' => null'problem' => null'timesheets' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'timesheets' => 'timesheets'
+        'pagination' => 'pagination''problem' => 'problem''timesheets' => 'timesheets'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'timesheets' => 'setTimesheets'
+        'pagination' => 'setPagination''problem' => 'setProblem''timesheets' => 'setTimesheets'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'timesheets' => 'getTimesheets'
+        'pagination' => 'getPagination''problem' => 'getProblem''timesheets' => 'getTimesheets'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setTimesheets($timesheets)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/TrackingCategories.php b/lib/Models/PayrollNz/TrackingCategories.php
index 5b44e462..bbfb7943 100644
--- a/lib/Models/PayrollNz/TrackingCategories.php
+++ b/lib/Models/PayrollNz/TrackingCategories.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TrackingCategories Class Doc Comment
  *
@@ -56,9 +58,7 @@ class TrackingCategories implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
-        'tracking_categories' => '\XeroAPI\XeroPHP\Models\PayrollNz\TrackingCategory'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''tracking_categories' => '\XeroAPI\XeroPHP\Models\PayrollNz\TrackingCategory'
     ];
 
     /**
@@ -67,9 +67,7 @@ class TrackingCategories implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'tracking_categories' => null
+        'pagination' => null'problem' => null'tracking_categories' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'tracking_categories' => 'trackingCategories'
+        'pagination' => 'pagination''problem' => 'problem''tracking_categories' => 'trackingCategories'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'tracking_categories' => 'setTrackingCategories'
+        'pagination' => 'setPagination''problem' => 'setProblem''tracking_categories' => 'setTrackingCategories'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'tracking_categories' => 'getTrackingCategories'
+        'pagination' => 'getPagination''problem' => 'getProblem''tracking_categories' => 'getTrackingCategories'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setTrackingCategories($tracking_categories)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/TrackingCategory.php b/lib/Models/PayrollNz/TrackingCategory.php
index 38ff7043..329f5cf0 100644
--- a/lib/Models/PayrollNz/TrackingCategory.php
+++ b/lib/Models/PayrollNz/TrackingCategory.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollNzObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TrackingCategory Class Doc Comment
  *
@@ -56,8 +58,7 @@ class TrackingCategory implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'employee_groups_tracking_category_id' => 'string',
-        'timesheet_tracking_category_id' => 'string'
+        'employee_groups_tracking_category_id' => 'string''timesheet_tracking_category_id' => 'string'
     ];
 
     /**
@@ -66,8 +67,7 @@ class TrackingCategory implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'employee_groups_tracking_category_id' => 'uuid',
-        'timesheet_tracking_category_id' => 'uuid'
+        'employee_groups_tracking_category_id' => 'uuid''timesheet_tracking_category_id' => 'uuid'
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'employee_groups_tracking_category_id' => 'employeeGroupsTrackingCategoryID',
-        'timesheet_tracking_category_id' => 'timesheetTrackingCategoryID'
+        'employee_groups_tracking_category_id' => 'employeeGroupsTrackingCategoryID''timesheet_tracking_category_id' => 'timesheetTrackingCategoryID'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'employee_groups_tracking_category_id' => 'setEmployeeGroupsTrackingCategoryId',
-        'timesheet_tracking_category_id' => 'setTimesheetTrackingCategoryId'
+        'employee_groups_tracking_category_id' => 'setEmployeeGroupsTrackingCategoryId''timesheet_tracking_category_id' => 'setTimesheetTrackingCategoryId'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'employee_groups_tracking_category_id' => 'getEmployeeGroupsTrackingCategoryId',
-        'timesheet_tracking_category_id' => 'getTimesheetTrackingCategoryId'
+        'employee_groups_tracking_category_id' => 'getEmployeeGroupsTrackingCategoryId''timesheet_tracking_category_id' => 'getTimesheetTrackingCategoryId'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setTimesheetTrackingCategoryId($timesheet_tracking_category_id)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Account.php b/lib/Models/PayrollUk/Account.php
index ffaadbb0..ab1e9ca6 100644
--- a/lib/Models/PayrollUk/Account.php
+++ b/lib/Models/PayrollUk/Account.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Account Class Doc Comment
  *
@@ -56,10 +58,7 @@ class Account implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_id' => 'string',
-        'type' => 'string',
-        'code' => 'string',
-        'name' => 'string'
+        'account_id' => 'string''type' => 'string''code' => 'string''name' => 'string'
     ];
 
     /**
@@ -68,10 +67,7 @@ class Account implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_id' => 'uuid',
-        'type' => null,
-        'code' => null,
-        'name' => null
+        'account_id' => 'uuid''type' => null'code' => null'name' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_id' => 'accountID',
-        'type' => 'type',
-        'code' => 'code',
-        'name' => 'name'
+        'account_id' => 'accountID''type' => 'type''code' => 'code''name' => 'name'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_id' => 'setAccountId',
-        'type' => 'setType',
-        'code' => 'setCode',
-        'name' => 'setName'
+        'account_id' => 'setAccountId''type' => 'setType''code' => 'setCode''name' => 'setName'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_id' => 'getAccountId',
-        'type' => 'getType',
-        'code' => 'getCode',
-        'name' => 'getName'
+        'account_id' => 'getAccountId''type' => 'getType''code' => 'getCode''name' => 'getName'
     ];
 
     /**
@@ -377,6 +364,7 @@ public function setName($name)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -389,6 +377,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -402,6 +391,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -418,6 +408,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Accounts.php b/lib/Models/PayrollUk/Accounts.php
index c7c4800a..52d59941 100644
--- a/lib/Models/PayrollUk/Accounts.php
+++ b/lib/Models/PayrollUk/Accounts.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Accounts Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setAccounts($accounts)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Address.php b/lib/Models/PayrollUk/Address.php
index 9be49959..9a7d135b 100644
--- a/lib/Models/PayrollUk/Address.php
+++ b/lib/Models/PayrollUk/Address.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Address Class Doc Comment
  *
@@ -56,11 +58,7 @@ class Address implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'address_line1' => 'string',
-        'address_line2' => 'string',
-        'city' => 'string',
-        'post_code' => 'string',
-        'country_name' => 'string'
+        'address_line1' => 'string''address_line2' => 'string''city' => 'string''post_code' => 'string''country_name' => 'string'
     ];
 
     /**
@@ -69,11 +67,7 @@ class Address implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'address_line1' => null,
-        'address_line2' => null,
-        'city' => null,
-        'post_code' => null,
-        'country_name' => null
+        'address_line1' => null'address_line2' => null'city' => null'post_code' => null'country_name' => null
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'address_line1' => 'addressLine1',
-        'address_line2' => 'addressLine2',
-        'city' => 'city',
-        'post_code' => 'postCode',
-        'country_name' => 'countryName'
+        'address_line1' => 'addressLine1''address_line2' => 'addressLine2''city' => 'city''post_code' => 'postCode''country_name' => 'countryName'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'address_line1' => 'setAddressLine1',
-        'address_line2' => 'setAddressLine2',
-        'city' => 'setCity',
-        'post_code' => 'setPostCode',
-        'country_name' => 'setCountryName'
+        'address_line1' => 'setAddressLine1''address_line2' => 'setAddressLine2''city' => 'setCity''post_code' => 'setPostCode''country_name' => 'setCountryName'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'address_line1' => 'getAddressLine1',
-        'address_line2' => 'getAddressLine2',
-        'city' => 'getCity',
-        'post_code' => 'getPostCode',
-        'country_name' => 'getCountryName'
+        'address_line1' => 'getAddressLine1''address_line2' => 'getAddressLine2''city' => 'getCity''post_code' => 'getPostCode''country_name' => 'getCountryName'
     ];
 
     /**
@@ -377,6 +359,7 @@ public function setCountryName($country_name)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -389,6 +372,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -402,6 +386,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -418,6 +403,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/BankAccount.php b/lib/Models/PayrollUk/BankAccount.php
index 32012283..05ca657c 100644
--- a/lib/Models/PayrollUk/BankAccount.php
+++ b/lib/Models/PayrollUk/BankAccount.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * BankAccount Class Doc Comment
  *
@@ -56,9 +58,7 @@ class BankAccount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_name' => 'string',
-        'account_number' => 'string',
-        'sort_code' => 'string'
+        'account_name' => 'string''account_number' => 'string''sort_code' => 'string'
     ];
 
     /**
@@ -67,9 +67,7 @@ class BankAccount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_name' => null,
-        'account_number' => null,
-        'sort_code' => null
+        'account_name' => null'account_number' => null'sort_code' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_name' => 'accountName',
-        'account_number' => 'accountNumber',
-        'sort_code' => 'sortCode'
+        'account_name' => 'accountName''account_number' => 'accountNumber''sort_code' => 'sortCode'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_name' => 'setAccountName',
-        'account_number' => 'setAccountNumber',
-        'sort_code' => 'setSortCode'
+        'account_name' => 'setAccountName''account_number' => 'setAccountNumber''sort_code' => 'setSortCode'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_name' => 'getAccountName',
-        'account_number' => 'getAccountNumber',
-        'sort_code' => 'getSortCode'
+        'account_name' => 'getAccountName''account_number' => 'getAccountNumber''sort_code' => 'getSortCode'
     ];
 
     /**
@@ -311,6 +303,7 @@ public function setSortCode($sort_code)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -323,6 +316,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -336,6 +330,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -352,6 +347,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Benefit.php b/lib/Models/PayrollUk/Benefit.php
index 315d1a04..2ac6e583 100644
--- a/lib/Models/PayrollUk/Benefit.php
+++ b/lib/Models/PayrollUk/Benefit.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Benefit Class Doc Comment
  *
@@ -56,20 +58,7 @@ class Benefit implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'id' => 'string',
-        'name' => 'string',
-        'category' => 'string',
-        'liability_account_id' => 'string',
-        'expense_account_id' => 'string',
-        'standard_amount' => 'double',
-        'percentage' => 'double',
-        'calculation_type' => 'string',
-        'current_record' => 'bool',
-        'subject_to_nic' => 'bool',
-        'subject_to_pension' => 'bool',
-        'subject_to_tax' => 'bool',
-        'is_calculating_on_qualifying_earnings' => 'bool',
-        'show_balance_to_employee' => 'bool'
+        'id' => 'string''name' => 'string''category' => 'string''liability_account_id' => 'string''expense_account_id' => 'string''standard_amount' => 'double''percentage' => 'double''calculation_type' => 'string''current_record' => 'bool''subject_to_nic' => 'bool''subject_to_pension' => 'bool''subject_to_tax' => 'bool''is_calculating_on_qualifying_earnings' => 'bool''show_balance_to_employee' => 'bool'
     ];
 
     /**
@@ -78,20 +67,7 @@ class Benefit implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'id' => 'uuid',
-        'name' => null,
-        'category' => null,
-        'liability_account_id' => 'uuid',
-        'expense_account_id' => 'uuid',
-        'standard_amount' => 'double',
-        'percentage' => 'double',
-        'calculation_type' => null,
-        'current_record' => null,
-        'subject_to_nic' => null,
-        'subject_to_pension' => null,
-        'subject_to_tax' => null,
-        'is_calculating_on_qualifying_earnings' => null,
-        'show_balance_to_employee' => null
+        'id' => 'uuid''name' => null'category' => null'liability_account_id' => 'uuid''expense_account_id' => 'uuid''standard_amount' => 'double''percentage' => 'double''calculation_type' => null'current_record' => null'subject_to_nic' => null'subject_to_pension' => null'subject_to_tax' => null'is_calculating_on_qualifying_earnings' => null'show_balance_to_employee' => null
     ];
 
     /**
@@ -121,20 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'id' => 'id',
-        'name' => 'name',
-        'category' => 'category',
-        'liability_account_id' => 'liabilityAccountId',
-        'expense_account_id' => 'expenseAccountId',
-        'standard_amount' => 'standardAmount',
-        'percentage' => 'percentage',
-        'calculation_type' => 'calculationType',
-        'current_record' => 'currentRecord',
-        'subject_to_nic' => 'subjectToNIC',
-        'subject_to_pension' => 'subjectToPension',
-        'subject_to_tax' => 'subjectToTax',
-        'is_calculating_on_qualifying_earnings' => 'isCalculatingOnQualifyingEarnings',
-        'show_balance_to_employee' => 'showBalanceToEmployee'
+        'id' => 'id''name' => 'name''category' => 'category''liability_account_id' => 'liabilityAccountId''expense_account_id' => 'expenseAccountId''standard_amount' => 'standardAmount''percentage' => 'percentage''calculation_type' => 'calculationType''current_record' => 'currentRecord''subject_to_nic' => 'subjectToNIC''subject_to_pension' => 'subjectToPension''subject_to_tax' => 'subjectToTax''is_calculating_on_qualifying_earnings' => 'isCalculatingOnQualifyingEarnings''show_balance_to_employee' => 'showBalanceToEmployee'
     ];
 
     /**
@@ -143,20 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'id' => 'setId',
-        'name' => 'setName',
-        'category' => 'setCategory',
-        'liability_account_id' => 'setLiabilityAccountId',
-        'expense_account_id' => 'setExpenseAccountId',
-        'standard_amount' => 'setStandardAmount',
-        'percentage' => 'setPercentage',
-        'calculation_type' => 'setCalculationType',
-        'current_record' => 'setCurrentRecord',
-        'subject_to_nic' => 'setSubjectToNic',
-        'subject_to_pension' => 'setSubjectToPension',
-        'subject_to_tax' => 'setSubjectToTax',
-        'is_calculating_on_qualifying_earnings' => 'setIsCalculatingOnQualifyingEarnings',
-        'show_balance_to_employee' => 'setShowBalanceToEmployee'
+        'id' => 'setId''name' => 'setName''category' => 'setCategory''liability_account_id' => 'setLiabilityAccountId''expense_account_id' => 'setExpenseAccountId''standard_amount' => 'setStandardAmount''percentage' => 'setPercentage''calculation_type' => 'setCalculationType''current_record' => 'setCurrentRecord''subject_to_nic' => 'setSubjectToNic''subject_to_pension' => 'setSubjectToPension''subject_to_tax' => 'setSubjectToTax''is_calculating_on_qualifying_earnings' => 'setIsCalculatingOnQualifyingEarnings''show_balance_to_employee' => 'setShowBalanceToEmployee'
     ];
 
     /**
@@ -165,20 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'id' => 'getId',
-        'name' => 'getName',
-        'category' => 'getCategory',
-        'liability_account_id' => 'getLiabilityAccountId',
-        'expense_account_id' => 'getExpenseAccountId',
-        'standard_amount' => 'getStandardAmount',
-        'percentage' => 'getPercentage',
-        'calculation_type' => 'getCalculationType',
-        'current_record' => 'getCurrentRecord',
-        'subject_to_nic' => 'getSubjectToNic',
-        'subject_to_pension' => 'getSubjectToPension',
-        'subject_to_tax' => 'getSubjectToTax',
-        'is_calculating_on_qualifying_earnings' => 'getIsCalculatingOnQualifyingEarnings',
-        'show_balance_to_employee' => 'getShowBalanceToEmployee'
+        'id' => 'getId''name' => 'getName''category' => 'getCategory''liability_account_id' => 'getLiabilityAccountId''expense_account_id' => 'getExpenseAccountId''standard_amount' => 'getStandardAmount''percentage' => 'getPercentage''calculation_type' => 'getCalculationType''current_record' => 'getCurrentRecord''subject_to_nic' => 'getSubjectToNic''subject_to_pension' => 'getSubjectToPension''subject_to_tax' => 'getSubjectToTax''is_calculating_on_qualifying_earnings' => 'getIsCalculatingOnQualifyingEarnings''show_balance_to_employee' => 'getShowBalanceToEmployee'
     ];
 
     /**
@@ -747,6 +684,7 @@ public function setShowBalanceToEmployee($show_balance_to_employee)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -759,6 +697,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -772,6 +711,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -788,6 +728,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/BenefitLine.php b/lib/Models/PayrollUk/BenefitLine.php
index dfa3b5ed..97816d74 100644
--- a/lib/Models/PayrollUk/BenefitLine.php
+++ b/lib/Models/PayrollUk/BenefitLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * BenefitLine Class Doc Comment
  *
@@ -56,11 +58,7 @@ class BenefitLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'benefit_type_id' => 'string',
-        'display_name' => 'string',
-        'amount' => 'double',
-        'fixed_amount' => 'double',
-        'percentage' => 'double'
+        'benefit_type_id' => 'string''display_name' => 'string''amount' => 'double''fixed_amount' => 'double''percentage' => 'double'
     ];
 
     /**
@@ -69,11 +67,7 @@ class BenefitLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'benefit_type_id' => 'uuid',
-        'display_name' => null,
-        'amount' => 'double',
-        'fixed_amount' => 'double',
-        'percentage' => 'double'
+        'benefit_type_id' => 'uuid''display_name' => null'amount' => 'double''fixed_amount' => 'double''percentage' => 'double'
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'benefit_type_id' => 'benefitTypeID',
-        'display_name' => 'displayName',
-        'amount' => 'amount',
-        'fixed_amount' => 'fixedAmount',
-        'percentage' => 'percentage'
+        'benefit_type_id' => 'benefitTypeID''display_name' => 'displayName''amount' => 'amount''fixed_amount' => 'fixedAmount''percentage' => 'percentage'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'benefit_type_id' => 'setBenefitTypeId',
-        'display_name' => 'setDisplayName',
-        'amount' => 'setAmount',
-        'fixed_amount' => 'setFixedAmount',
-        'percentage' => 'setPercentage'
+        'benefit_type_id' => 'setBenefitTypeId''display_name' => 'setDisplayName''amount' => 'setAmount''fixed_amount' => 'setFixedAmount''percentage' => 'setPercentage'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'benefit_type_id' => 'getBenefitTypeId',
-        'display_name' => 'getDisplayName',
-        'amount' => 'getAmount',
-        'fixed_amount' => 'getFixedAmount',
-        'percentage' => 'getPercentage'
+        'benefit_type_id' => 'getBenefitTypeId''display_name' => 'getDisplayName''amount' => 'getAmount''fixed_amount' => 'getFixedAmount''percentage' => 'getPercentage'
     ];
 
     /**
@@ -368,6 +350,7 @@ public function setPercentage($percentage)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -380,6 +363,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -393,6 +377,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -409,6 +394,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/BenefitObject.php b/lib/Models/PayrollUk/BenefitObject.php
index db52b04f..f1be6efc 100644
--- a/lib/Models/PayrollUk/BenefitObject.php
+++ b/lib/Models/PayrollUk/BenefitObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * BenefitObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class BenefitObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'benefit' => '\XeroAPI\XeroPHP\Models\PayrollUk\Benefit'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''benefit' => '\XeroAPI\XeroPHP\Models\PayrollUk\Benefit'
     ];
 
     /**
@@ -67,9 +67,7 @@ class BenefitObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'benefit' => null
+        'pagination' => null'problem' => null'benefit' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'benefit' => 'benefit'
+        'pagination' => 'pagination''problem' => 'problem''benefit' => 'benefit'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'benefit' => 'setBenefit'
+        'pagination' => 'setPagination''problem' => 'setProblem''benefit' => 'setBenefit'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'benefit' => 'getBenefit'
+        'pagination' => 'getPagination''problem' => 'getProblem''benefit' => 'getBenefit'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setBenefit($benefit)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Benefits.php b/lib/Models/PayrollUk/Benefits.php
index 034c41d7..8039b001 100644
--- a/lib/Models/PayrollUk/Benefits.php
+++ b/lib/Models/PayrollUk/Benefits.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Benefits Class Doc Comment
  *
@@ -56,9 +58,7 @@ class Benefits implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'benefits' => '\XeroAPI\XeroPHP\Models\PayrollUk\Benefit[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''benefits' => '\XeroAPI\XeroPHP\Models\PayrollUk\Benefit[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class Benefits implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'benefits' => null
+        'pagination' => null'problem' => null'benefits' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'benefits' => 'benefits'
+        'pagination' => 'pagination''problem' => 'problem''benefits' => 'benefits'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'benefits' => 'setBenefits'
+        'pagination' => 'setPagination''problem' => 'setProblem''benefits' => 'setBenefits'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'benefits' => 'getBenefits'
+        'pagination' => 'getPagination''problem' => 'getProblem''benefits' => 'getBenefits'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setBenefits($benefits)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/CourtOrderLine.php b/lib/Models/PayrollUk/CourtOrderLine.php
index 887d1d38..4be4f57b 100644
--- a/lib/Models/PayrollUk/CourtOrderLine.php
+++ b/lib/Models/PayrollUk/CourtOrderLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * CourtOrderLine Class Doc Comment
  *
@@ -56,8 +58,7 @@ class CourtOrderLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'court_order_type_id' => 'string',
-        'amount' => 'double'
+        'court_order_type_id' => 'string''amount' => 'double'
     ];
 
     /**
@@ -66,8 +67,7 @@ class CourtOrderLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'court_order_type_id' => 'uuid',
-        'amount' => 'double'
+        'court_order_type_id' => 'uuid''amount' => 'double'
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'court_order_type_id' => 'courtOrderTypeID',
-        'amount' => 'amount'
+        'court_order_type_id' => 'courtOrderTypeID''amount' => 'amount'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'court_order_type_id' => 'setCourtOrderTypeId',
-        'amount' => 'setAmount'
+        'court_order_type_id' => 'setCourtOrderTypeId''amount' => 'setAmount'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'court_order_type_id' => 'getCourtOrderTypeId',
-        'amount' => 'getAmount'
+        'court_order_type_id' => 'getCourtOrderTypeId''amount' => 'getAmount'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setAmount($amount)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Deduction.php b/lib/Models/PayrollUk/Deduction.php
index e812a8ea..6ace84c9 100644
--- a/lib/Models/PayrollUk/Deduction.php
+++ b/lib/Models/PayrollUk/Deduction.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Deduction Class Doc Comment
  *
@@ -56,22 +58,7 @@ class Deduction implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'deduction_id' => 'string',
-        'deduction_name' => 'string',
-        'deduction_category' => 'string',
-        'liability_account_id' => 'string',
-        'current_record' => 'bool',
-        'standard_amount' => 'double',
-        'reduces_super_liability' => 'bool',
-        'reduces_tax_liability' => 'bool',
-        'calculation_type' => 'string',
-        'percentage' => 'double',
-        'subject_to_nic' => 'bool',
-        'subject_to_tax' => 'bool',
-        'is_reduced_by_basic_rate' => 'bool',
-        'apply_to_pension_calculations' => 'bool',
-        'is_calculating_on_qualifying_earnings' => 'bool',
-        'is_pension' => 'bool'
+        'deduction_id' => 'string''deduction_name' => 'string''deduction_category' => 'string''liability_account_id' => 'string''current_record' => 'bool''standard_amount' => 'double''reduces_super_liability' => 'bool''reduces_tax_liability' => 'bool''calculation_type' => 'string''percentage' => 'double''subject_to_nic' => 'bool''subject_to_tax' => 'bool''is_reduced_by_basic_rate' => 'bool''apply_to_pension_calculations' => 'bool''is_calculating_on_qualifying_earnings' => 'bool''is_pension' => 'bool'
     ];
 
     /**
@@ -80,22 +67,7 @@ class Deduction implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'deduction_id' => 'uuid',
-        'deduction_name' => null,
-        'deduction_category' => null,
-        'liability_account_id' => 'uuid',
-        'current_record' => null,
-        'standard_amount' => 'double',
-        'reduces_super_liability' => null,
-        'reduces_tax_liability' => null,
-        'calculation_type' => null,
-        'percentage' => 'double',
-        'subject_to_nic' => null,
-        'subject_to_tax' => null,
-        'is_reduced_by_basic_rate' => null,
-        'apply_to_pension_calculations' => null,
-        'is_calculating_on_qualifying_earnings' => null,
-        'is_pension' => null
+        'deduction_id' => 'uuid''deduction_name' => null'deduction_category' => null'liability_account_id' => 'uuid''current_record' => null'standard_amount' => 'double''reduces_super_liability' => null'reduces_tax_liability' => null'calculation_type' => null'percentage' => 'double''subject_to_nic' => null'subject_to_tax' => null'is_reduced_by_basic_rate' => null'apply_to_pension_calculations' => null'is_calculating_on_qualifying_earnings' => null'is_pension' => null
     ];
 
     /**
@@ -125,22 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'deduction_id' => 'deductionId',
-        'deduction_name' => 'deductionName',
-        'deduction_category' => 'deductionCategory',
-        'liability_account_id' => 'liabilityAccountId',
-        'current_record' => 'currentRecord',
-        'standard_amount' => 'standardAmount',
-        'reduces_super_liability' => 'reducesSuperLiability',
-        'reduces_tax_liability' => 'reducesTaxLiability',
-        'calculation_type' => 'calculationType',
-        'percentage' => 'percentage',
-        'subject_to_nic' => 'subjectToNIC',
-        'subject_to_tax' => 'subjectToTax',
-        'is_reduced_by_basic_rate' => 'isReducedByBasicRate',
-        'apply_to_pension_calculations' => 'applyToPensionCalculations',
-        'is_calculating_on_qualifying_earnings' => 'isCalculatingOnQualifyingEarnings',
-        'is_pension' => 'isPension'
+        'deduction_id' => 'deductionId''deduction_name' => 'deductionName''deduction_category' => 'deductionCategory''liability_account_id' => 'liabilityAccountId''current_record' => 'currentRecord''standard_amount' => 'standardAmount''reduces_super_liability' => 'reducesSuperLiability''reduces_tax_liability' => 'reducesTaxLiability''calculation_type' => 'calculationType''percentage' => 'percentage''subject_to_nic' => 'subjectToNIC''subject_to_tax' => 'subjectToTax''is_reduced_by_basic_rate' => 'isReducedByBasicRate''apply_to_pension_calculations' => 'applyToPensionCalculations''is_calculating_on_qualifying_earnings' => 'isCalculatingOnQualifyingEarnings''is_pension' => 'isPension'
     ];
 
     /**
@@ -149,22 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'deduction_id' => 'setDeductionId',
-        'deduction_name' => 'setDeductionName',
-        'deduction_category' => 'setDeductionCategory',
-        'liability_account_id' => 'setLiabilityAccountId',
-        'current_record' => 'setCurrentRecord',
-        'standard_amount' => 'setStandardAmount',
-        'reduces_super_liability' => 'setReducesSuperLiability',
-        'reduces_tax_liability' => 'setReducesTaxLiability',
-        'calculation_type' => 'setCalculationType',
-        'percentage' => 'setPercentage',
-        'subject_to_nic' => 'setSubjectToNic',
-        'subject_to_tax' => 'setSubjectToTax',
-        'is_reduced_by_basic_rate' => 'setIsReducedByBasicRate',
-        'apply_to_pension_calculations' => 'setApplyToPensionCalculations',
-        'is_calculating_on_qualifying_earnings' => 'setIsCalculatingOnQualifyingEarnings',
-        'is_pension' => 'setIsPension'
+        'deduction_id' => 'setDeductionId''deduction_name' => 'setDeductionName''deduction_category' => 'setDeductionCategory''liability_account_id' => 'setLiabilityAccountId''current_record' => 'setCurrentRecord''standard_amount' => 'setStandardAmount''reduces_super_liability' => 'setReducesSuperLiability''reduces_tax_liability' => 'setReducesTaxLiability''calculation_type' => 'setCalculationType''percentage' => 'setPercentage''subject_to_nic' => 'setSubjectToNic''subject_to_tax' => 'setSubjectToTax''is_reduced_by_basic_rate' => 'setIsReducedByBasicRate''apply_to_pension_calculations' => 'setApplyToPensionCalculations''is_calculating_on_qualifying_earnings' => 'setIsCalculatingOnQualifyingEarnings''is_pension' => 'setIsPension'
     ];
 
     /**
@@ -173,22 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'deduction_id' => 'getDeductionId',
-        'deduction_name' => 'getDeductionName',
-        'deduction_category' => 'getDeductionCategory',
-        'liability_account_id' => 'getLiabilityAccountId',
-        'current_record' => 'getCurrentRecord',
-        'standard_amount' => 'getStandardAmount',
-        'reduces_super_liability' => 'getReducesSuperLiability',
-        'reduces_tax_liability' => 'getReducesTaxLiability',
-        'calculation_type' => 'getCalculationType',
-        'percentage' => 'getPercentage',
-        'subject_to_nic' => 'getSubjectToNic',
-        'subject_to_tax' => 'getSubjectToTax',
-        'is_reduced_by_basic_rate' => 'getIsReducedByBasicRate',
-        'apply_to_pension_calculations' => 'getApplyToPensionCalculations',
-        'is_calculating_on_qualifying_earnings' => 'getIsCalculatingOnQualifyingEarnings',
-        'is_pension' => 'getIsPension'
+        'deduction_id' => 'getDeductionId''deduction_name' => 'getDeductionName''deduction_category' => 'getDeductionCategory''liability_account_id' => 'getLiabilityAccountId''current_record' => 'getCurrentRecord''standard_amount' => 'getStandardAmount''reduces_super_liability' => 'getReducesSuperLiability''reduces_tax_liability' => 'getReducesTaxLiability''calculation_type' => 'getCalculationType''percentage' => 'getPercentage''subject_to_nic' => 'getSubjectToNic''subject_to_tax' => 'getSubjectToTax''is_reduced_by_basic_rate' => 'getIsReducedByBasicRate''apply_to_pension_calculations' => 'getApplyToPensionCalculations''is_calculating_on_qualifying_earnings' => 'getIsCalculatingOnQualifyingEarnings''is_pension' => 'getIsPension'
     ];
 
     /**
@@ -817,6 +744,7 @@ public function setIsPension($is_pension)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -829,6 +757,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -842,6 +771,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -858,6 +788,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/DeductionLine.php b/lib/Models/PayrollUk/DeductionLine.php
index 6be65a7c..11316e98 100644
--- a/lib/Models/PayrollUk/DeductionLine.php
+++ b/lib/Models/PayrollUk/DeductionLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * DeductionLine Class Doc Comment
  *
@@ -56,10 +58,7 @@ class DeductionLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'deduction_type_id' => 'string',
-        'amount' => 'double',
-        'subject_to_tax' => 'bool',
-        'percentage' => 'double'
+        'deduction_type_id' => 'string''amount' => 'double''subject_to_tax' => 'bool''percentage' => 'double'
     ];
 
     /**
@@ -68,10 +67,7 @@ class DeductionLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'deduction_type_id' => 'uuid',
-        'amount' => 'double',
-        'subject_to_tax' => null,
-        'percentage' => 'double'
+        'deduction_type_id' => 'uuid''amount' => 'double''subject_to_tax' => null'percentage' => 'double'
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'deduction_type_id' => 'deductionTypeID',
-        'amount' => 'amount',
-        'subject_to_tax' => 'subjectToTax',
-        'percentage' => 'percentage'
+        'deduction_type_id' => 'deductionTypeID''amount' => 'amount''subject_to_tax' => 'subjectToTax''percentage' => 'percentage'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'deduction_type_id' => 'setDeductionTypeId',
-        'amount' => 'setAmount',
-        'subject_to_tax' => 'setSubjectToTax',
-        'percentage' => 'setPercentage'
+        'deduction_type_id' => 'setDeductionTypeId''amount' => 'setAmount''subject_to_tax' => 'setSubjectToTax''percentage' => 'setPercentage'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'deduction_type_id' => 'getDeductionTypeId',
-        'amount' => 'getAmount',
-        'subject_to_tax' => 'getSubjectToTax',
-        'percentage' => 'getPercentage'
+        'deduction_type_id' => 'getDeductionTypeId''amount' => 'getAmount''subject_to_tax' => 'getSubjectToTax''percentage' => 'getPercentage'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setPercentage($percentage)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/DeductionObject.php b/lib/Models/PayrollUk/DeductionObject.php
index 0e533cf4..67d527f6 100644
--- a/lib/Models/PayrollUk/DeductionObject.php
+++ b/lib/Models/PayrollUk/DeductionObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * DeductionObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class DeductionObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'deduction' => '\XeroAPI\XeroPHP\Models\PayrollUk\Deduction'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''deduction' => '\XeroAPI\XeroPHP\Models\PayrollUk\Deduction'
     ];
 
     /**
@@ -67,9 +67,7 @@ class DeductionObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'deduction' => null
+        'pagination' => null'problem' => null'deduction' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'deduction' => 'deduction'
+        'pagination' => 'pagination''problem' => 'problem''deduction' => 'deduction'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'deduction' => 'setDeduction'
+        'pagination' => 'setPagination''problem' => 'setProblem''deduction' => 'setDeduction'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'deduction' => 'getDeduction'
+        'pagination' => 'getPagination''problem' => 'getProblem''deduction' => 'getDeduction'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setDeduction($deduction)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Deductions.php b/lib/Models/PayrollUk/Deductions.php
index 2f0fe4ab..178d7b7c 100644
--- a/lib/Models/PayrollUk/Deductions.php
+++ b/lib/Models/PayrollUk/Deductions.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Deductions Class Doc Comment
  *
@@ -56,9 +58,7 @@ class Deductions implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'deductions' => '\XeroAPI\XeroPHP\Models\PayrollUk\Deduction[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''deductions' => '\XeroAPI\XeroPHP\Models\PayrollUk\Deduction[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class Deductions implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'deductions' => null
+        'pagination' => null'problem' => null'deductions' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'deductions' => 'deductions'
+        'pagination' => 'pagination''problem' => 'problem''deductions' => 'deductions'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'deductions' => 'setDeductions'
+        'pagination' => 'setPagination''problem' => 'setProblem''deductions' => 'setDeductions'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'deductions' => 'getDeductions'
+        'pagination' => 'getPagination''problem' => 'getProblem''deductions' => 'getDeductions'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setDeductions($deductions)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EarningsLine.php b/lib/Models/PayrollUk/EarningsLine.php
index 8467116b..3d2dae1b 100644
--- a/lib/Models/PayrollUk/EarningsLine.php
+++ b/lib/Models/PayrollUk/EarningsLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EarningsLine Class Doc Comment
  *
@@ -56,15 +58,7 @@ class EarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_line_id' => 'string',
-        'earnings_rate_id' => 'string',
-        'display_name' => 'string',
-        'rate_per_unit' => 'double',
-        'number_of_units' => 'double',
-        'fixed_amount' => 'double',
-        'amount' => 'double',
-        'is_linked_to_timesheet' => 'bool',
-        'is_average_daily_pay_rate' => 'bool'
+        'earnings_line_id' => 'string''earnings_rate_id' => 'string''display_name' => 'string''rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''amount' => 'double''is_linked_to_timesheet' => 'bool''is_average_daily_pay_rate' => 'bool'
     ];
 
     /**
@@ -73,15 +67,7 @@ class EarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_line_id' => 'uuid',
-        'earnings_rate_id' => 'uuid',
-        'display_name' => null,
-        'rate_per_unit' => 'double',
-        'number_of_units' => 'double',
-        'fixed_amount' => 'double',
-        'amount' => 'double',
-        'is_linked_to_timesheet' => null,
-        'is_average_daily_pay_rate' => null
+        'earnings_line_id' => 'uuid''earnings_rate_id' => 'uuid''display_name' => null'rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''amount' => 'double''is_linked_to_timesheet' => null'is_average_daily_pay_rate' => null
     ];
 
     /**
@@ -111,15 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_line_id' => 'earningsLineID',
-        'earnings_rate_id' => 'earningsRateID',
-        'display_name' => 'displayName',
-        'rate_per_unit' => 'ratePerUnit',
-        'number_of_units' => 'numberOfUnits',
-        'fixed_amount' => 'fixedAmount',
-        'amount' => 'amount',
-        'is_linked_to_timesheet' => 'isLinkedToTimesheet',
-        'is_average_daily_pay_rate' => 'isAverageDailyPayRate'
+        'earnings_line_id' => 'earningsLineID''earnings_rate_id' => 'earningsRateID''display_name' => 'displayName''rate_per_unit' => 'ratePerUnit''number_of_units' => 'numberOfUnits''fixed_amount' => 'fixedAmount''amount' => 'amount''is_linked_to_timesheet' => 'isLinkedToTimesheet''is_average_daily_pay_rate' => 'isAverageDailyPayRate'
     ];
 
     /**
@@ -128,15 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_line_id' => 'setEarningsLineId',
-        'earnings_rate_id' => 'setEarningsRateId',
-        'display_name' => 'setDisplayName',
-        'rate_per_unit' => 'setRatePerUnit',
-        'number_of_units' => 'setNumberOfUnits',
-        'fixed_amount' => 'setFixedAmount',
-        'amount' => 'setAmount',
-        'is_linked_to_timesheet' => 'setIsLinkedToTimesheet',
-        'is_average_daily_pay_rate' => 'setIsAverageDailyPayRate'
+        'earnings_line_id' => 'setEarningsLineId''earnings_rate_id' => 'setEarningsRateId''display_name' => 'setDisplayName''rate_per_unit' => 'setRatePerUnit''number_of_units' => 'setNumberOfUnits''fixed_amount' => 'setFixedAmount''amount' => 'setAmount''is_linked_to_timesheet' => 'setIsLinkedToTimesheet''is_average_daily_pay_rate' => 'setIsAverageDailyPayRate'
     ];
 
     /**
@@ -145,15 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_line_id' => 'getEarningsLineId',
-        'earnings_rate_id' => 'getEarningsRateId',
-        'display_name' => 'getDisplayName',
-        'rate_per_unit' => 'getRatePerUnit',
-        'number_of_units' => 'getNumberOfUnits',
-        'fixed_amount' => 'getFixedAmount',
-        'amount' => 'getAmount',
-        'is_linked_to_timesheet' => 'getIsLinkedToTimesheet',
-        'is_average_daily_pay_rate' => 'getIsAverageDailyPayRate'
+        'earnings_line_id' => 'getEarningsLineId''earnings_rate_id' => 'getEarningsRateId''display_name' => 'getDisplayName''rate_per_unit' => 'getRatePerUnit''number_of_units' => 'getNumberOfUnits''fixed_amount' => 'getFixedAmount''amount' => 'getAmount''is_linked_to_timesheet' => 'getIsLinkedToTimesheet''is_average_daily_pay_rate' => 'getIsAverageDailyPayRate'
     ];
 
     /**
@@ -500,6 +462,7 @@ public function setIsAverageDailyPayRate($is_average_daily_pay_rate)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -512,6 +475,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -525,6 +489,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -541,6 +506,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EarningsOrder.php b/lib/Models/PayrollUk/EarningsOrder.php
index 68b94e9f..08262584 100644
--- a/lib/Models/PayrollUk/EarningsOrder.php
+++ b/lib/Models/PayrollUk/EarningsOrder.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EarningsOrder Class Doc Comment
  *
@@ -56,11 +58,7 @@ class EarningsOrder implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'id' => 'string',
-        'name' => 'string',
-        'statutory_deduction_category' => '\XeroAPI\XeroPHP\Models\PayrollUk\StatutoryDeductionCategory',
-        'liability_account_id' => 'string',
-        'current_record' => 'bool'
+        'id' => 'string''name' => 'string''statutory_deduction_category' => '\XeroAPI\XeroPHP\Models\PayrollUk\StatutoryDeductionCategory''liability_account_id' => 'string''current_record' => 'bool'
     ];
 
     /**
@@ -69,11 +67,7 @@ class EarningsOrder implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'id' => 'uuid',
-        'name' => null,
-        'statutory_deduction_category' => null,
-        'liability_account_id' => 'uuid',
-        'current_record' => null
+        'id' => 'uuid''name' => null'statutory_deduction_category' => null'liability_account_id' => 'uuid''current_record' => null
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'id' => 'id',
-        'name' => 'name',
-        'statutory_deduction_category' => 'statutoryDeductionCategory',
-        'liability_account_id' => 'liabilityAccountId',
-        'current_record' => 'currentRecord'
+        'id' => 'id''name' => 'name''statutory_deduction_category' => 'statutoryDeductionCategory''liability_account_id' => 'liabilityAccountId''current_record' => 'currentRecord'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'id' => 'setId',
-        'name' => 'setName',
-        'statutory_deduction_category' => 'setStatutoryDeductionCategory',
-        'liability_account_id' => 'setLiabilityAccountId',
-        'current_record' => 'setCurrentRecord'
+        'id' => 'setId''name' => 'setName''statutory_deduction_category' => 'setStatutoryDeductionCategory''liability_account_id' => 'setLiabilityAccountId''current_record' => 'setCurrentRecord'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'id' => 'getId',
-        'name' => 'getName',
-        'statutory_deduction_category' => 'getStatutoryDeductionCategory',
-        'liability_account_id' => 'getLiabilityAccountId',
-        'current_record' => 'getCurrentRecord'
+        'id' => 'getId''name' => 'getName''statutory_deduction_category' => 'getStatutoryDeductionCategory''liability_account_id' => 'getLiabilityAccountId''current_record' => 'getCurrentRecord'
     ];
 
     /**
@@ -371,6 +353,7 @@ public function setCurrentRecord($current_record)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,6 +366,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -396,6 +380,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -412,6 +397,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EarningsOrderObject.php b/lib/Models/PayrollUk/EarningsOrderObject.php
index cd15521b..ed7654c8 100644
--- a/lib/Models/PayrollUk/EarningsOrderObject.php
+++ b/lib/Models/PayrollUk/EarningsOrderObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EarningsOrderObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EarningsOrderObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'statutory_deduction' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsOrder'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''statutory_deduction' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsOrder'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EarningsOrderObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'statutory_deduction' => null
+        'pagination' => null'problem' => null'statutory_deduction' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'statutory_deduction' => 'statutoryDeduction'
+        'pagination' => 'pagination''problem' => 'problem''statutory_deduction' => 'statutoryDeduction'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'statutory_deduction' => 'setStatutoryDeduction'
+        'pagination' => 'setPagination''problem' => 'setProblem''statutory_deduction' => 'setStatutoryDeduction'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'statutory_deduction' => 'getStatutoryDeduction'
+        'pagination' => 'getPagination''problem' => 'getProblem''statutory_deduction' => 'getStatutoryDeduction'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setStatutoryDeduction($statutory_deduction)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EarningsOrders.php b/lib/Models/PayrollUk/EarningsOrders.php
index 657157f6..6ab46fba 100644
--- a/lib/Models/PayrollUk/EarningsOrders.php
+++ b/lib/Models/PayrollUk/EarningsOrders.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EarningsOrders Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EarningsOrders implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'statutory_deductions' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsOrder[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''statutory_deductions' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsOrder[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EarningsOrders implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'statutory_deductions' => null
+        'pagination' => null'problem' => null'statutory_deductions' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'statutory_deductions' => 'statutoryDeductions'
+        'pagination' => 'pagination''problem' => 'problem''statutory_deductions' => 'statutoryDeductions'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'statutory_deductions' => 'setStatutoryDeductions'
+        'pagination' => 'setPagination''problem' => 'setProblem''statutory_deductions' => 'setStatutoryDeductions'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'statutory_deductions' => 'getStatutoryDeductions'
+        'pagination' => 'getPagination''problem' => 'getProblem''statutory_deductions' => 'getStatutoryDeductions'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setStatutoryDeductions($statutory_deductions)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EarningsRate.php b/lib/Models/PayrollUk/EarningsRate.php
index 31ef0a23..55aea165 100644
--- a/lib/Models/PayrollUk/EarningsRate.php
+++ b/lib/Models/PayrollUk/EarningsRate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EarningsRate Class Doc Comment
  *
@@ -56,16 +58,7 @@ class EarningsRate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_rate_id' => 'string',
-        'name' => 'string',
-        'earnings_type' => 'string',
-        'rate_type' => 'string',
-        'type_of_units' => 'string',
-        'current_record' => 'bool',
-        'expense_account_id' => 'string',
-        'rate_per_unit' => 'double',
-        'multiple_of_ordinary_earnings_rate' => 'double',
-        'fixed_amount' => 'double'
+        'earnings_rate_id' => 'string''name' => 'string''earnings_type' => 'string''rate_type' => 'string''type_of_units' => 'string''current_record' => 'bool''expense_account_id' => 'string''rate_per_unit' => 'double''multiple_of_ordinary_earnings_rate' => 'double''fixed_amount' => 'double'
     ];
 
     /**
@@ -74,16 +67,7 @@ class EarningsRate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_rate_id' => 'uuid',
-        'name' => null,
-        'earnings_type' => null,
-        'rate_type' => null,
-        'type_of_units' => null,
-        'current_record' => null,
-        'expense_account_id' => 'uuid',
-        'rate_per_unit' => 'double',
-        'multiple_of_ordinary_earnings_rate' => 'double',
-        'fixed_amount' => 'double'
+        'earnings_rate_id' => 'uuid''name' => null'earnings_type' => null'rate_type' => null'type_of_units' => null'current_record' => null'expense_account_id' => 'uuid''rate_per_unit' => 'double''multiple_of_ordinary_earnings_rate' => 'double''fixed_amount' => 'double'
     ];
 
     /**
@@ -113,16 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_rate_id' => 'earningsRateID',
-        'name' => 'name',
-        'earnings_type' => 'earningsType',
-        'rate_type' => 'rateType',
-        'type_of_units' => 'typeOfUnits',
-        'current_record' => 'currentRecord',
-        'expense_account_id' => 'expenseAccountID',
-        'rate_per_unit' => 'ratePerUnit',
-        'multiple_of_ordinary_earnings_rate' => 'multipleOfOrdinaryEarningsRate',
-        'fixed_amount' => 'fixedAmount'
+        'earnings_rate_id' => 'earningsRateID''name' => 'name''earnings_type' => 'earningsType''rate_type' => 'rateType''type_of_units' => 'typeOfUnits''current_record' => 'currentRecord''expense_account_id' => 'expenseAccountID''rate_per_unit' => 'ratePerUnit''multiple_of_ordinary_earnings_rate' => 'multipleOfOrdinaryEarningsRate''fixed_amount' => 'fixedAmount'
     ];
 
     /**
@@ -131,16 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_rate_id' => 'setEarningsRateId',
-        'name' => 'setName',
-        'earnings_type' => 'setEarningsType',
-        'rate_type' => 'setRateType',
-        'type_of_units' => 'setTypeOfUnits',
-        'current_record' => 'setCurrentRecord',
-        'expense_account_id' => 'setExpenseAccountId',
-        'rate_per_unit' => 'setRatePerUnit',
-        'multiple_of_ordinary_earnings_rate' => 'setMultipleOfOrdinaryEarningsRate',
-        'fixed_amount' => 'setFixedAmount'
+        'earnings_rate_id' => 'setEarningsRateId''name' => 'setName''earnings_type' => 'setEarningsType''rate_type' => 'setRateType''type_of_units' => 'setTypeOfUnits''current_record' => 'setCurrentRecord''expense_account_id' => 'setExpenseAccountId''rate_per_unit' => 'setRatePerUnit''multiple_of_ordinary_earnings_rate' => 'setMultipleOfOrdinaryEarningsRate''fixed_amount' => 'setFixedAmount'
     ];
 
     /**
@@ -149,16 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_rate_id' => 'getEarningsRateId',
-        'name' => 'getName',
-        'earnings_type' => 'getEarningsType',
-        'rate_type' => 'getRateType',
-        'type_of_units' => 'getTypeOfUnits',
-        'current_record' => 'getCurrentRecord',
-        'expense_account_id' => 'getExpenseAccountId',
-        'rate_per_unit' => 'getRatePerUnit',
-        'multiple_of_ordinary_earnings_rate' => 'getMultipleOfOrdinaryEarningsRate',
-        'fixed_amount' => 'getFixedAmount'
+        'earnings_rate_id' => 'getEarningsRateId''name' => 'getName''earnings_type' => 'getEarningsType''rate_type' => 'getRateType''type_of_units' => 'getTypeOfUnits''current_record' => 'getCurrentRecord''expense_account_id' => 'getExpenseAccountId''rate_per_unit' => 'getRatePerUnit''multiple_of_ordinary_earnings_rate' => 'getMultipleOfOrdinaryEarningsRate''fixed_amount' => 'getFixedAmount'
     ];
 
     /**
@@ -656,6 +613,7 @@ public function setFixedAmount($fixed_amount)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -668,6 +626,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -681,6 +640,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -697,6 +657,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EarningsRateObject.php b/lib/Models/PayrollUk/EarningsRateObject.php
index 4f63f709..933a9156 100644
--- a/lib/Models/PayrollUk/EarningsRateObject.php
+++ b/lib/Models/PayrollUk/EarningsRateObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EarningsRateObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EarningsRateObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'earnings_rate' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsRate'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''earnings_rate' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsRate'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EarningsRateObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'earnings_rate' => null
+        'pagination' => null'problem' => null'earnings_rate' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'earnings_rate' => 'earningsRate'
+        'pagination' => 'pagination''problem' => 'problem''earnings_rate' => 'earningsRate'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'earnings_rate' => 'setEarningsRate'
+        'pagination' => 'setPagination''problem' => 'setProblem''earnings_rate' => 'setEarningsRate'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'earnings_rate' => 'getEarningsRate'
+        'pagination' => 'getPagination''problem' => 'getProblem''earnings_rate' => 'getEarningsRate'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setEarningsRate($earnings_rate)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EarningsRates.php b/lib/Models/PayrollUk/EarningsRates.php
index d9187fb7..2a74dff0 100644
--- a/lib/Models/PayrollUk/EarningsRates.php
+++ b/lib/Models/PayrollUk/EarningsRates.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EarningsRates Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EarningsRates implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'earnings_rates' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsRate[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''earnings_rates' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsRate[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EarningsRates implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'earnings_rates' => null
+        'pagination' => null'problem' => null'earnings_rates' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'earnings_rates' => 'earningsRates'
+        'pagination' => 'pagination''problem' => 'problem''earnings_rates' => 'earningsRates'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'earnings_rates' => 'setEarningsRates'
+        'pagination' => 'setPagination''problem' => 'setProblem''earnings_rates' => 'setEarningsRates'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'earnings_rates' => 'getEarningsRates'
+        'pagination' => 'getPagination''problem' => 'getProblem''earnings_rates' => 'getEarningsRates'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setEarningsRates($earnings_rates)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EarningsTemplate.php b/lib/Models/PayrollUk/EarningsTemplate.php
index f22b12d5..4b01b689 100644
--- a/lib/Models/PayrollUk/EarningsTemplate.php
+++ b/lib/Models/PayrollUk/EarningsTemplate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EarningsTemplate Class Doc Comment
  *
@@ -56,12 +58,7 @@ class EarningsTemplate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pay_template_earning_id' => 'string',
-        'rate_per_unit' => 'double',
-        'number_of_units' => 'double',
-        'fixed_amount' => 'double',
-        'earnings_rate_id' => 'string',
-        'name' => 'string'
+        'pay_template_earning_id' => 'string''rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''earnings_rate_id' => 'string''name' => 'string'
     ];
 
     /**
@@ -70,12 +67,7 @@ class EarningsTemplate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pay_template_earning_id' => 'uuid',
-        'rate_per_unit' => 'double',
-        'number_of_units' => 'double',
-        'fixed_amount' => 'double',
-        'earnings_rate_id' => 'uuid',
-        'name' => null
+        'pay_template_earning_id' => 'uuid''rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''earnings_rate_id' => 'uuid''name' => null
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pay_template_earning_id' => 'payTemplateEarningID',
-        'rate_per_unit' => 'ratePerUnit',
-        'number_of_units' => 'numberOfUnits',
-        'fixed_amount' => 'fixedAmount',
-        'earnings_rate_id' => 'earningsRateID',
-        'name' => 'name'
+        'pay_template_earning_id' => 'payTemplateEarningID''rate_per_unit' => 'ratePerUnit''number_of_units' => 'numberOfUnits''fixed_amount' => 'fixedAmount''earnings_rate_id' => 'earningsRateID''name' => 'name'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pay_template_earning_id' => 'setPayTemplateEarningId',
-        'rate_per_unit' => 'setRatePerUnit',
-        'number_of_units' => 'setNumberOfUnits',
-        'fixed_amount' => 'setFixedAmount',
-        'earnings_rate_id' => 'setEarningsRateId',
-        'name' => 'setName'
+        'pay_template_earning_id' => 'setPayTemplateEarningId''rate_per_unit' => 'setRatePerUnit''number_of_units' => 'setNumberOfUnits''fixed_amount' => 'setFixedAmount''earnings_rate_id' => 'setEarningsRateId''name' => 'setName'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pay_template_earning_id' => 'getPayTemplateEarningId',
-        'rate_per_unit' => 'getRatePerUnit',
-        'number_of_units' => 'getNumberOfUnits',
-        'fixed_amount' => 'getFixedAmount',
-        'earnings_rate_id' => 'getEarningsRateId',
-        'name' => 'getName'
+        'pay_template_earning_id' => 'getPayTemplateEarningId''rate_per_unit' => 'getRatePerUnit''number_of_units' => 'getNumberOfUnits''fixed_amount' => 'getFixedAmount''earnings_rate_id' => 'getEarningsRateId''name' => 'getName'
     ];
 
     /**
@@ -401,6 +378,7 @@ public function setName($name)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -413,6 +391,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -426,6 +405,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -442,6 +422,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EarningsTemplateObject.php b/lib/Models/PayrollUk/EarningsTemplateObject.php
index 5cd3f9b1..c5cd8cbe 100644
--- a/lib/Models/PayrollUk/EarningsTemplateObject.php
+++ b/lib/Models/PayrollUk/EarningsTemplateObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EarningsTemplateObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EarningsTemplateObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'earning_template' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplate'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''earning_template' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplate'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EarningsTemplateObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'earning_template' => null
+        'pagination' => null'problem' => null'earning_template' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'earning_template' => 'earningTemplate'
+        'pagination' => 'pagination''problem' => 'problem''earning_template' => 'earningTemplate'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'earning_template' => 'setEarningTemplate'
+        'pagination' => 'setPagination''problem' => 'setProblem''earning_template' => 'setEarningTemplate'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'earning_template' => 'getEarningTemplate'
+        'pagination' => 'getPagination''problem' => 'getProblem''earning_template' => 'getEarningTemplate'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setEarningTemplate($earning_template)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Employee.php b/lib/Models/PayrollUk/Employee.php
index f2d0e556..d0864a8c 100644
--- a/lib/Models/PayrollUk/Employee.php
+++ b/lib/Models/PayrollUk/Employee.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Employee Class Doc Comment
  *
@@ -56,22 +58,7 @@ class Employee implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'employee_id' => 'string',
-        'title' => 'string',
-        'first_name' => 'string',
-        'last_name' => 'string',
-        'date_of_birth' => '\DateTime',
-        'address' => '\XeroAPI\XeroPHP\Models\PayrollUk\Address',
-        'email' => 'string',
-        'gender' => 'string',
-        'phone_number' => 'string',
-        'start_date' => '\DateTime',
-        'end_date' => '\DateTime',
-        'payroll_calendar_id' => 'string',
-        'updated_date_utc' => '\DateTime',
-        'created_date_utc' => '\DateTime',
-        'national_insurance_number' => 'string',
-        'is_off_payroll_worker' => 'bool'
+        'employee_id' => 'string''title' => 'string''first_name' => 'string''last_name' => 'string''date_of_birth' => '\DateTime''address' => '\XeroAPI\XeroPHP\Models\PayrollUk\Address''email' => 'string''gender' => 'string''phone_number' => 'string''start_date' => '\DateTime''end_date' => '\DateTime''payroll_calendar_id' => 'string''updated_date_utc' => '\DateTime''created_date_utc' => '\DateTime''national_insurance_number' => 'string''is_off_payroll_worker' => 'bool'
     ];
 
     /**
@@ -80,22 +67,7 @@ class Employee implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'employee_id' => 'uuid',
-        'title' => null,
-        'first_name' => null,
-        'last_name' => null,
-        'date_of_birth' => 'date',
-        'address' => null,
-        'email' => null,
-        'gender' => null,
-        'phone_number' => null,
-        'start_date' => 'date',
-        'end_date' => 'date',
-        'payroll_calendar_id' => 'uuid',
-        'updated_date_utc' => 'date-time',
-        'created_date_utc' => 'date-time',
-        'national_insurance_number' => null,
-        'is_off_payroll_worker' => null
+        'employee_id' => 'uuid''title' => null'first_name' => null'last_name' => null'date_of_birth' => 'date''address' => null'email' => null'gender' => null'phone_number' => null'start_date' => 'date''end_date' => 'date''payroll_calendar_id' => 'uuid''updated_date_utc' => 'date-time''created_date_utc' => 'date-time''national_insurance_number' => null'is_off_payroll_worker' => null
     ];
 
     /**
@@ -125,22 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'employee_id' => 'employeeID',
-        'title' => 'title',
-        'first_name' => 'firstName',
-        'last_name' => 'lastName',
-        'date_of_birth' => 'dateOfBirth',
-        'address' => 'address',
-        'email' => 'email',
-        'gender' => 'gender',
-        'phone_number' => 'phoneNumber',
-        'start_date' => 'startDate',
-        'end_date' => 'endDate',
-        'payroll_calendar_id' => 'payrollCalendarID',
-        'updated_date_utc' => 'updatedDateUTC',
-        'created_date_utc' => 'createdDateUTC',
-        'national_insurance_number' => 'nationalInsuranceNumber',
-        'is_off_payroll_worker' => 'isOffPayrollWorker'
+        'employee_id' => 'employeeID''title' => 'title''first_name' => 'firstName''last_name' => 'lastName''date_of_birth' => 'dateOfBirth''address' => 'address''email' => 'email''gender' => 'gender''phone_number' => 'phoneNumber''start_date' => 'startDate''end_date' => 'endDate''payroll_calendar_id' => 'payrollCalendarID''updated_date_utc' => 'updatedDateUTC''created_date_utc' => 'createdDateUTC''national_insurance_number' => 'nationalInsuranceNumber''is_off_payroll_worker' => 'isOffPayrollWorker'
     ];
 
     /**
@@ -149,22 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'employee_id' => 'setEmployeeId',
-        'title' => 'setTitle',
-        'first_name' => 'setFirstName',
-        'last_name' => 'setLastName',
-        'date_of_birth' => 'setDateOfBirth',
-        'address' => 'setAddress',
-        'email' => 'setEmail',
-        'gender' => 'setGender',
-        'phone_number' => 'setPhoneNumber',
-        'start_date' => 'setStartDate',
-        'end_date' => 'setEndDate',
-        'payroll_calendar_id' => 'setPayrollCalendarId',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'created_date_utc' => 'setCreatedDateUtc',
-        'national_insurance_number' => 'setNationalInsuranceNumber',
-        'is_off_payroll_worker' => 'setIsOffPayrollWorker'
+        'employee_id' => 'setEmployeeId''title' => 'setTitle''first_name' => 'setFirstName''last_name' => 'setLastName''date_of_birth' => 'setDateOfBirth''address' => 'setAddress''email' => 'setEmail''gender' => 'setGender''phone_number' => 'setPhoneNumber''start_date' => 'setStartDate''end_date' => 'setEndDate''payroll_calendar_id' => 'setPayrollCalendarId''updated_date_utc' => 'setUpdatedDateUtc''created_date_utc' => 'setCreatedDateUtc''national_insurance_number' => 'setNationalInsuranceNumber''is_off_payroll_worker' => 'setIsOffPayrollWorker'
     ];
 
     /**
@@ -173,22 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'employee_id' => 'getEmployeeId',
-        'title' => 'getTitle',
-        'first_name' => 'getFirstName',
-        'last_name' => 'getLastName',
-        'date_of_birth' => 'getDateOfBirth',
-        'address' => 'getAddress',
-        'email' => 'getEmail',
-        'gender' => 'getGender',
-        'phone_number' => 'getPhoneNumber',
-        'start_date' => 'getStartDate',
-        'end_date' => 'getEndDate',
-        'payroll_calendar_id' => 'getPayrollCalendarId',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'created_date_utc' => 'getCreatedDateUtc',
-        'national_insurance_number' => 'getNationalInsuranceNumber',
-        'is_off_payroll_worker' => 'getIsOffPayrollWorker'
+        'employee_id' => 'getEmployeeId''title' => 'getTitle''first_name' => 'getFirstName''last_name' => 'getLastName''date_of_birth' => 'getDateOfBirth''address' => 'getAddress''email' => 'getEmail''gender' => 'getGender''phone_number' => 'getPhoneNumber''start_date' => 'getStartDate''end_date' => 'getEndDate''payroll_calendar_id' => 'getPayrollCalendarId''updated_date_utc' => 'getUpdatedDateUtc''created_date_utc' => 'getCreatedDateUtc''national_insurance_number' => 'getNationalInsuranceNumber''is_off_payroll_worker' => 'getIsOffPayrollWorker'
     ];
 
     /**
@@ -763,6 +690,7 @@ public function setIsOffPayrollWorker($is_off_payroll_worker)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -775,6 +703,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -788,6 +717,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -804,6 +734,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeLeave.php b/lib/Models/PayrollUk/EmployeeLeave.php
index 9cd47328..1c9f4cc7 100644
--- a/lib/Models/PayrollUk/EmployeeLeave.php
+++ b/lib/Models/PayrollUk/EmployeeLeave.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeLeave Class Doc Comment
  *
@@ -56,13 +58,7 @@ class EmployeeLeave implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_id' => 'string',
-        'leave_type_id' => 'string',
-        'description' => 'string',
-        'start_date' => '\DateTime',
-        'end_date' => '\DateTime',
-        'periods' => '\XeroAPI\XeroPHP\Models\PayrollUk\LeavePeriod[]',
-        'updated_date_utc' => '\DateTime'
+        'leave_id' => 'string''leave_type_id' => 'string''description' => 'string''start_date' => '\DateTime''end_date' => '\DateTime''periods' => '\XeroAPI\XeroPHP\Models\PayrollUk\LeavePeriod[]''updated_date_utc' => '\DateTime'
     ];
 
     /**
@@ -71,13 +67,7 @@ class EmployeeLeave implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_id' => 'uuid',
-        'leave_type_id' => 'uuid',
-        'description' => null,
-        'start_date' => 'date',
-        'end_date' => 'date',
-        'periods' => null,
-        'updated_date_utc' => 'date-time'
+        'leave_id' => 'uuid''leave_type_id' => 'uuid''description' => null'start_date' => 'date''end_date' => 'date''periods' => null'updated_date_utc' => 'date-time'
     ];
 
     /**
@@ -107,13 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_id' => 'leaveID',
-        'leave_type_id' => 'leaveTypeID',
-        'description' => 'description',
-        'start_date' => 'startDate',
-        'end_date' => 'endDate',
-        'periods' => 'periods',
-        'updated_date_utc' => 'updatedDateUTC'
+        'leave_id' => 'leaveID''leave_type_id' => 'leaveTypeID''description' => 'description''start_date' => 'startDate''end_date' => 'endDate''periods' => 'periods''updated_date_utc' => 'updatedDateUTC'
     ];
 
     /**
@@ -122,13 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_id' => 'setLeaveId',
-        'leave_type_id' => 'setLeaveTypeId',
-        'description' => 'setDescription',
-        'start_date' => 'setStartDate',
-        'end_date' => 'setEndDate',
-        'periods' => 'setPeriods',
-        'updated_date_utc' => 'setUpdatedDateUtc'
+        'leave_id' => 'setLeaveId''leave_type_id' => 'setLeaveTypeId''description' => 'setDescription''start_date' => 'setStartDate''end_date' => 'setEndDate''periods' => 'setPeriods''updated_date_utc' => 'setUpdatedDateUtc'
     ];
 
     /**
@@ -137,13 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_id' => 'getLeaveId',
-        'leave_type_id' => 'getLeaveTypeId',
-        'description' => 'getDescription',
-        'start_date' => 'getStartDate',
-        'end_date' => 'getEndDate',
-        'periods' => 'getPeriods',
-        'updated_date_utc' => 'getUpdatedDateUtc'
+        'leave_id' => 'getLeaveId''leave_type_id' => 'getLeaveTypeId''description' => 'getDescription''start_date' => 'getStartDate''end_date' => 'getEndDate''periods' => 'getPeriods''updated_date_utc' => 'getUpdatedDateUtc'
     ];
 
     /**
@@ -446,6 +418,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -458,6 +431,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -471,6 +445,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -487,6 +462,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeLeaveBalance.php b/lib/Models/PayrollUk/EmployeeLeaveBalance.php
index d5000fac..c0d8e1c4 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveBalance.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveBalance.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeLeaveBalance Class Doc Comment
  *
@@ -56,10 +58,7 @@ class EmployeeLeaveBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string',
-        'leave_type_id' => 'string',
-        'balance' => 'double',
-        'type_of_units' => 'string'
+        'name' => 'string''leave_type_id' => 'string''balance' => 'double''type_of_units' => 'string'
     ];
 
     /**
@@ -68,10 +67,7 @@ class EmployeeLeaveBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null,
-        'leave_type_id' => 'uuid',
-        'balance' => 'double',
-        'type_of_units' => null
+        'name' => null'leave_type_id' => 'uuid''balance' => 'double''type_of_units' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'name',
-        'leave_type_id' => 'leaveTypeID',
-        'balance' => 'balance',
-        'type_of_units' => 'typeOfUnits'
+        'name' => 'name''leave_type_id' => 'leaveTypeID''balance' => 'balance''type_of_units' => 'typeOfUnits'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName',
-        'leave_type_id' => 'setLeaveTypeId',
-        'balance' => 'setBalance',
-        'type_of_units' => 'setTypeOfUnits'
+        'name' => 'setName''leave_type_id' => 'setLeaveTypeId''balance' => 'setBalance''type_of_units' => 'setTypeOfUnits'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName',
-        'leave_type_id' => 'getLeaveTypeId',
-        'balance' => 'getBalance',
-        'type_of_units' => 'getTypeOfUnits'
+        'name' => 'getName''leave_type_id' => 'getLeaveTypeId''balance' => 'getBalance''type_of_units' => 'getTypeOfUnits'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setTypeOfUnits($type_of_units)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeLeaveBalances.php b/lib/Models/PayrollUk/EmployeeLeaveBalances.php
index 47e0d75b..83dd03a3 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveBalances.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveBalances.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeLeaveBalances Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeLeaveBalances implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'leave_balances' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveBalance[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''leave_balances' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveBalance[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeLeaveBalances implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'leave_balances' => null
+        'pagination' => null'problem' => null'leave_balances' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'leave_balances' => 'leaveBalances'
+        'pagination' => 'pagination''problem' => 'problem''leave_balances' => 'leaveBalances'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'leave_balances' => 'setLeaveBalances'
+        'pagination' => 'setPagination''problem' => 'setProblem''leave_balances' => 'setLeaveBalances'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'leave_balances' => 'getLeaveBalances'
+        'pagination' => 'getPagination''problem' => 'getProblem''leave_balances' => 'getLeaveBalances'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setLeaveBalances($leave_balances)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeLeaveObject.php b/lib/Models/PayrollUk/EmployeeLeaveObject.php
index a7f17d80..5c29453f 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveObject.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeLeaveObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeLeaveObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'leave' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeave'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''leave' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeave'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeLeaveObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'leave' => null
+        'pagination' => null'problem' => null'leave' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'leave' => 'leave'
+        'pagination' => 'pagination''problem' => 'problem''leave' => 'leave'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'leave' => 'setLeave'
+        'pagination' => 'setPagination''problem' => 'setProblem''leave' => 'setLeave'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'leave' => 'getLeave'
+        'pagination' => 'getPagination''problem' => 'getProblem''leave' => 'getLeave'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setLeave($leave)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeLeaveType.php b/lib/Models/PayrollUk/EmployeeLeaveType.php
index 22355fcb..54c55028 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveType.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeLeaveType Class Doc Comment
  *
@@ -56,12 +58,7 @@ class EmployeeLeaveType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_type_id' => 'string',
-        'schedule_of_accrual' => 'string',
-        'hours_accrued_annually' => 'double',
-        'maximum_to_accrue' => 'double',
-        'opening_balance' => 'double',
-        'rate_accrued_hourly' => 'double'
+        'leave_type_id' => 'string''schedule_of_accrual' => 'string''hours_accrued_annually' => 'double''maximum_to_accrue' => 'double''opening_balance' => 'double''rate_accrued_hourly' => 'double'
     ];
 
     /**
@@ -70,12 +67,7 @@ class EmployeeLeaveType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_type_id' => 'uuid',
-        'schedule_of_accrual' => null,
-        'hours_accrued_annually' => 'double',
-        'maximum_to_accrue' => 'double',
-        'opening_balance' => 'double',
-        'rate_accrued_hourly' => 'double'
+        'leave_type_id' => 'uuid''schedule_of_accrual' => null'hours_accrued_annually' => 'double''maximum_to_accrue' => 'double''opening_balance' => 'double''rate_accrued_hourly' => 'double'
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_type_id' => 'leaveTypeID',
-        'schedule_of_accrual' => 'scheduleOfAccrual',
-        'hours_accrued_annually' => 'hoursAccruedAnnually',
-        'maximum_to_accrue' => 'maximumToAccrue',
-        'opening_balance' => 'openingBalance',
-        'rate_accrued_hourly' => 'rateAccruedHourly'
+        'leave_type_id' => 'leaveTypeID''schedule_of_accrual' => 'scheduleOfAccrual''hours_accrued_annually' => 'hoursAccruedAnnually''maximum_to_accrue' => 'maximumToAccrue''opening_balance' => 'openingBalance''rate_accrued_hourly' => 'rateAccruedHourly'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_type_id' => 'setLeaveTypeId',
-        'schedule_of_accrual' => 'setScheduleOfAccrual',
-        'hours_accrued_annually' => 'setHoursAccruedAnnually',
-        'maximum_to_accrue' => 'setMaximumToAccrue',
-        'opening_balance' => 'setOpeningBalance',
-        'rate_accrued_hourly' => 'setRateAccruedHourly'
+        'leave_type_id' => 'setLeaveTypeId''schedule_of_accrual' => 'setScheduleOfAccrual''hours_accrued_annually' => 'setHoursAccruedAnnually''maximum_to_accrue' => 'setMaximumToAccrue''opening_balance' => 'setOpeningBalance''rate_accrued_hourly' => 'setRateAccruedHourly'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_type_id' => 'getLeaveTypeId',
-        'schedule_of_accrual' => 'getScheduleOfAccrual',
-        'hours_accrued_annually' => 'getHoursAccruedAnnually',
-        'maximum_to_accrue' => 'getMaximumToAccrue',
-        'opening_balance' => 'getOpeningBalance',
-        'rate_accrued_hourly' => 'getRateAccruedHourly'
+        'leave_type_id' => 'getLeaveTypeId''schedule_of_accrual' => 'getScheduleOfAccrual''hours_accrued_annually' => 'getHoursAccruedAnnually''maximum_to_accrue' => 'getMaximumToAccrue''opening_balance' => 'getOpeningBalance''rate_accrued_hourly' => 'getRateAccruedHourly'
     ];
 
     /**
@@ -443,6 +420,7 @@ public function setRateAccruedHourly($rate_accrued_hourly)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -455,6 +433,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -468,6 +447,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -484,6 +464,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeLeaveTypeObject.php b/lib/Models/PayrollUk/EmployeeLeaveTypeObject.php
index 9a212121..db1fa3d4 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveTypeObject.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveTypeObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeLeaveTypeObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeLeaveTypeObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'leave_type' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveType'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''leave_type' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveType'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeLeaveTypeObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'leave_type' => null
+        'pagination' => null'problem' => null'leave_type' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'leave_type' => 'leaveType'
+        'pagination' => 'pagination''problem' => 'problem''leave_type' => 'leaveType'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'leave_type' => 'setLeaveType'
+        'pagination' => 'setPagination''problem' => 'setProblem''leave_type' => 'setLeaveType'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'leave_type' => 'getLeaveType'
+        'pagination' => 'getPagination''problem' => 'getProblem''leave_type' => 'getLeaveType'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setLeaveType($leave_type)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeLeaveTypes.php b/lib/Models/PayrollUk/EmployeeLeaveTypes.php
index 325bc849..4202a94c 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveTypes.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveTypes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeLeaveTypes Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeLeaveTypes implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'leave_types' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveType[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''leave_types' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveType[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeLeaveTypes implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'leave_types' => null
+        'pagination' => null'problem' => null'leave_types' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'leave_types' => 'leaveTypes'
+        'pagination' => 'pagination''problem' => 'problem''leave_types' => 'leaveTypes'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'leave_types' => 'setLeaveTypes'
+        'pagination' => 'setPagination''problem' => 'setProblem''leave_types' => 'setLeaveTypes'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'leave_types' => 'getLeaveTypes'
+        'pagination' => 'getPagination''problem' => 'getProblem''leave_types' => 'getLeaveTypes'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setLeaveTypes($leave_types)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeLeaves.php b/lib/Models/PayrollUk/EmployeeLeaves.php
index 9c9097ee..296a21c7 100644
--- a/lib/Models/PayrollUk/EmployeeLeaves.php
+++ b/lib/Models/PayrollUk/EmployeeLeaves.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeLeaves Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeLeaves implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'leave' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeave[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''leave' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeave[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeLeaves implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'leave' => null
+        'pagination' => null'problem' => null'leave' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'leave' => 'leave'
+        'pagination' => 'pagination''problem' => 'problem''leave' => 'leave'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'leave' => 'setLeave'
+        'pagination' => 'setPagination''problem' => 'setProblem''leave' => 'setLeave'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'leave' => 'getLeave'
+        'pagination' => 'getPagination''problem' => 'getProblem''leave' => 'getLeave'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setLeave($leave)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeObject.php b/lib/Models/PayrollUk/EmployeeObject.php
index a42f84c4..b7dd5951 100644
--- a/lib/Models/PayrollUk/EmployeeObject.php
+++ b/lib/Models/PayrollUk/EmployeeObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'employee' => '\XeroAPI\XeroPHP\Models\PayrollUk\Employee',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''employee' => '\XeroAPI\XeroPHP\Models\PayrollUk\Employee''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'employee' => null,
-        'problem' => null
+        'pagination' => null'employee' => null'problem' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'employee' => 'employee',
-        'problem' => 'problem'
+        'pagination' => 'pagination''employee' => 'employee''problem' => 'problem'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'employee' => 'setEmployee',
-        'problem' => 'setProblem'
+        'pagination' => 'setPagination''employee' => 'setEmployee''problem' => 'setProblem'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'employee' => 'getEmployee',
-        'problem' => 'getProblem'
+        'pagination' => 'getPagination''employee' => 'getEmployee''problem' => 'getProblem'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setProblem($problem)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeOpeningBalances.php b/lib/Models/PayrollUk/EmployeeOpeningBalances.php
index b24124f8..fdf57a8a 100644
--- a/lib/Models/PayrollUk/EmployeeOpeningBalances.php
+++ b/lib/Models/PayrollUk/EmployeeOpeningBalances.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeOpeningBalances Class Doc Comment
  *
@@ -56,12 +58,7 @@ class EmployeeOpeningBalances implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'statutory_adoption_pay' => 'double',
-        'statutory_maternity_pay' => 'double',
-        'statutory_paternity_pay' => 'double',
-        'statutory_shared_parental_pay' => 'double',
-        'statutory_sick_pay' => 'double',
-        'prior_employee_number' => 'double'
+        'statutory_adoption_pay' => 'double''statutory_maternity_pay' => 'double''statutory_paternity_pay' => 'double''statutory_shared_parental_pay' => 'double''statutory_sick_pay' => 'double''prior_employee_number' => 'double'
     ];
 
     /**
@@ -70,12 +67,7 @@ class EmployeeOpeningBalances implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'statutory_adoption_pay' => 'double',
-        'statutory_maternity_pay' => 'double',
-        'statutory_paternity_pay' => 'double',
-        'statutory_shared_parental_pay' => 'double',
-        'statutory_sick_pay' => 'double',
-        'prior_employee_number' => 'double'
+        'statutory_adoption_pay' => 'double''statutory_maternity_pay' => 'double''statutory_paternity_pay' => 'double''statutory_shared_parental_pay' => 'double''statutory_sick_pay' => 'double''prior_employee_number' => 'double'
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'statutory_adoption_pay' => 'statutoryAdoptionPay',
-        'statutory_maternity_pay' => 'statutoryMaternityPay',
-        'statutory_paternity_pay' => 'statutoryPaternityPay',
-        'statutory_shared_parental_pay' => 'statutorySharedParentalPay',
-        'statutory_sick_pay' => 'statutorySickPay',
-        'prior_employee_number' => 'priorEmployeeNumber'
+        'statutory_adoption_pay' => 'statutoryAdoptionPay''statutory_maternity_pay' => 'statutoryMaternityPay''statutory_paternity_pay' => 'statutoryPaternityPay''statutory_shared_parental_pay' => 'statutorySharedParentalPay''statutory_sick_pay' => 'statutorySickPay''prior_employee_number' => 'priorEmployeeNumber'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'statutory_adoption_pay' => 'setStatutoryAdoptionPay',
-        'statutory_maternity_pay' => 'setStatutoryMaternityPay',
-        'statutory_paternity_pay' => 'setStatutoryPaternityPay',
-        'statutory_shared_parental_pay' => 'setStatutorySharedParentalPay',
-        'statutory_sick_pay' => 'setStatutorySickPay',
-        'prior_employee_number' => 'setPriorEmployeeNumber'
+        'statutory_adoption_pay' => 'setStatutoryAdoptionPay''statutory_maternity_pay' => 'setStatutoryMaternityPay''statutory_paternity_pay' => 'setStatutoryPaternityPay''statutory_shared_parental_pay' => 'setStatutorySharedParentalPay''statutory_sick_pay' => 'setStatutorySickPay''prior_employee_number' => 'setPriorEmployeeNumber'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'statutory_adoption_pay' => 'getStatutoryAdoptionPay',
-        'statutory_maternity_pay' => 'getStatutoryMaternityPay',
-        'statutory_paternity_pay' => 'getStatutoryPaternityPay',
-        'statutory_shared_parental_pay' => 'getStatutorySharedParentalPay',
-        'statutory_sick_pay' => 'getStatutorySickPay',
-        'prior_employee_number' => 'getPriorEmployeeNumber'
+        'statutory_adoption_pay' => 'getStatutoryAdoptionPay''statutory_maternity_pay' => 'getStatutoryMaternityPay''statutory_paternity_pay' => 'getStatutoryPaternityPay''statutory_shared_parental_pay' => 'getStatutorySharedParentalPay''statutory_sick_pay' => 'getStatutorySickPay''prior_employee_number' => 'getPriorEmployeeNumber'
     ];
 
     /**
@@ -401,6 +378,7 @@ public function setPriorEmployeeNumber($prior_employee_number)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -413,6 +391,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -426,6 +405,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -442,6 +422,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeOpeningBalancesObject.php b/lib/Models/PayrollUk/EmployeeOpeningBalancesObject.php
index 0d5101d7..c003d339 100644
--- a/lib/Models/PayrollUk/EmployeeOpeningBalancesObject.php
+++ b/lib/Models/PayrollUk/EmployeeOpeningBalancesObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeOpeningBalancesObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeOpeningBalancesObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'opening_balances' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalances'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''opening_balances' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalances'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeOpeningBalancesObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'opening_balances' => null
+        'pagination' => null'problem' => null'opening_balances' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'opening_balances' => 'openingBalances'
+        'pagination' => 'pagination''problem' => 'problem''opening_balances' => 'openingBalances'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'opening_balances' => 'setOpeningBalances'
+        'pagination' => 'setPagination''problem' => 'setProblem''opening_balances' => 'setOpeningBalances'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'opening_balances' => 'getOpeningBalances'
+        'pagination' => 'getPagination''problem' => 'getProblem''opening_balances' => 'getOpeningBalances'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setOpeningBalances($opening_balances)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeePayTemplate.php b/lib/Models/PayrollUk/EmployeePayTemplate.php
index 57bee66d..26681260 100644
--- a/lib/Models/PayrollUk/EmployeePayTemplate.php
+++ b/lib/Models/PayrollUk/EmployeePayTemplate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeePayTemplate Class Doc Comment
  *
@@ -56,8 +58,7 @@ class EmployeePayTemplate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'employee_id' => 'string',
-        'earning_templates' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplate[]'
+        'employee_id' => 'string''earning_templates' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplate[]'
     ];
 
     /**
@@ -66,8 +67,7 @@ class EmployeePayTemplate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'employee_id' => 'uuid',
-        'earning_templates' => null
+        'employee_id' => 'uuid''earning_templates' => null
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'employee_id' => 'employeeID',
-        'earning_templates' => 'earningTemplates'
+        'employee_id' => 'employeeID''earning_templates' => 'earningTemplates'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'employee_id' => 'setEmployeeId',
-        'earning_templates' => 'setEarningTemplates'
+        'employee_id' => 'setEmployeeId''earning_templates' => 'setEarningTemplates'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'employee_id' => 'getEmployeeId',
-        'earning_templates' => 'getEarningTemplates'
+        'employee_id' => 'getEmployeeId''earning_templates' => 'getEarningTemplates'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setEarningTemplates($earning_templates)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeePayTemplateObject.php b/lib/Models/PayrollUk/EmployeePayTemplateObject.php
index 6d540653..ca6af75d 100644
--- a/lib/Models/PayrollUk/EmployeePayTemplateObject.php
+++ b/lib/Models/PayrollUk/EmployeePayTemplateObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeePayTemplateObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeePayTemplateObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'pay_template' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeePayTemplate'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''pay_template' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeePayTemplate'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeePayTemplateObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'pay_template' => null
+        'pagination' => null'problem' => null'pay_template' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'pay_template' => 'payTemplate'
+        'pagination' => 'pagination''problem' => 'problem''pay_template' => 'payTemplate'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'pay_template' => 'setPayTemplate'
+        'pagination' => 'setPagination''problem' => 'setProblem''pay_template' => 'setPayTemplate'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'pay_template' => 'getPayTemplate'
+        'pagination' => 'getPagination''problem' => 'getProblem''pay_template' => 'getPayTemplate'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setPayTemplate($pay_template)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeePayTemplates.php b/lib/Models/PayrollUk/EmployeePayTemplates.php
index 0d466152..c48738a2 100644
--- a/lib/Models/PayrollUk/EmployeePayTemplates.php
+++ b/lib/Models/PayrollUk/EmployeePayTemplates.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeePayTemplates Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeePayTemplates implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'earning_templates' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplate[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''earning_templates' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplate[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeePayTemplates implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'earning_templates' => null
+        'pagination' => null'problem' => null'earning_templates' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'earning_templates' => 'earningTemplates'
+        'pagination' => 'pagination''problem' => 'problem''earning_templates' => 'earningTemplates'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'earning_templates' => 'setEarningTemplates'
+        'pagination' => 'setPagination''problem' => 'setProblem''earning_templates' => 'setEarningTemplates'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'earning_templates' => 'getEarningTemplates'
+        'pagination' => 'getPagination''problem' => 'getProblem''earning_templates' => 'getEarningTemplates'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setEarningTemplates($earning_templates)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalance.php b/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalance.php
index 81494dec..b372f3ca 100644
--- a/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalance.php
+++ b/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalance.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeStatutoryLeaveBalance Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeStatutoryLeaveBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_type' => 'string',
-        'balance_remaining' => 'double',
-        'units' => 'string'
+        'leave_type' => 'string''balance_remaining' => 'double''units' => 'string'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeStatutoryLeaveBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_type' => null,
-        'balance_remaining' => 'double',
-        'units' => null
+        'leave_type' => null'balance_remaining' => 'double''units' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_type' => 'leaveType',
-        'balance_remaining' => 'balanceRemaining',
-        'units' => 'units'
+        'leave_type' => 'leaveType''balance_remaining' => 'balanceRemaining''units' => 'units'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_type' => 'setLeaveType',
-        'balance_remaining' => 'setBalanceRemaining',
-        'units' => 'setUnits'
+        'leave_type' => 'setLeaveType''balance_remaining' => 'setBalanceRemaining''units' => 'setUnits'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_type' => 'getLeaveType',
-        'balance_remaining' => 'getBalanceRemaining',
-        'units' => 'getUnits'
+        'leave_type' => 'getLeaveType''balance_remaining' => 'getBalanceRemaining''units' => 'getUnits'
     ];
 
     /**
@@ -370,6 +362,7 @@ public function setUnits($units)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -382,6 +375,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -395,6 +389,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -411,6 +406,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalanceObject.php b/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalanceObject.php
index fe1a160e..5ca4059b 100644
--- a/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalanceObject.php
+++ b/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalanceObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeStatutoryLeaveBalanceObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeStatutoryLeaveBalanceObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'leave_balance' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutoryLeaveBalance'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''leave_balance' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutoryLeaveBalance'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeStatutoryLeaveBalanceObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'leave_balance' => null
+        'pagination' => null'problem' => null'leave_balance' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'leave_balance' => 'leaveBalance'
+        'pagination' => 'pagination''problem' => 'problem''leave_balance' => 'leaveBalance'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'leave_balance' => 'setLeaveBalance'
+        'pagination' => 'setPagination''problem' => 'setProblem''leave_balance' => 'setLeaveBalance'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'leave_balance' => 'getLeaveBalance'
+        'pagination' => 'getPagination''problem' => 'getProblem''leave_balance' => 'getLeaveBalance'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setLeaveBalance($leave_balance)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeStatutoryLeaveSummary.php b/lib/Models/PayrollUk/EmployeeStatutoryLeaveSummary.php
index 786f503a..c0b131a2 100644
--- a/lib/Models/PayrollUk/EmployeeStatutoryLeaveSummary.php
+++ b/lib/Models/PayrollUk/EmployeeStatutoryLeaveSummary.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeStatutoryLeaveSummary Class Doc Comment
  *
@@ -56,13 +58,7 @@ class EmployeeStatutoryLeaveSummary implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'statutory_leave_id' => 'string',
-        'employee_id' => 'string',
-        'type' => 'string',
-        'start_date' => '\DateTime',
-        'end_date' => '\DateTime',
-        'is_entitled' => 'bool',
-        'status' => 'string'
+        'statutory_leave_id' => 'string''employee_id' => 'string''type' => 'string''start_date' => '\DateTime''end_date' => '\DateTime''is_entitled' => 'bool''status' => 'string'
     ];
 
     /**
@@ -71,13 +67,7 @@ class EmployeeStatutoryLeaveSummary implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'statutory_leave_id' => 'uuid',
-        'employee_id' => 'uuid',
-        'type' => null,
-        'start_date' => 'date',
-        'end_date' => 'date',
-        'is_entitled' => null,
-        'status' => null
+        'statutory_leave_id' => 'uuid''employee_id' => 'uuid''type' => null'start_date' => 'date''end_date' => 'date''is_entitled' => null'status' => null
     ];
 
     /**
@@ -107,13 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'statutory_leave_id' => 'statutoryLeaveID',
-        'employee_id' => 'employeeID',
-        'type' => 'type',
-        'start_date' => 'startDate',
-        'end_date' => 'endDate',
-        'is_entitled' => 'isEntitled',
-        'status' => 'status'
+        'statutory_leave_id' => 'statutoryLeaveID''employee_id' => 'employeeID''type' => 'type''start_date' => 'startDate''end_date' => 'endDate''is_entitled' => 'isEntitled''status' => 'status'
     ];
 
     /**
@@ -122,13 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'statutory_leave_id' => 'setStatutoryLeaveId',
-        'employee_id' => 'setEmployeeId',
-        'type' => 'setType',
-        'start_date' => 'setStartDate',
-        'end_date' => 'setEndDate',
-        'is_entitled' => 'setIsEntitled',
-        'status' => 'setStatus'
+        'statutory_leave_id' => 'setStatutoryLeaveId''employee_id' => 'setEmployeeId''type' => 'setType''start_date' => 'setStartDate''end_date' => 'setEndDate''is_entitled' => 'setIsEntitled''status' => 'setStatus'
     ];
 
     /**
@@ -137,13 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'statutory_leave_id' => 'getStatutoryLeaveId',
-        'employee_id' => 'getEmployeeId',
-        'type' => 'getType',
-        'start_date' => 'getStartDate',
-        'end_date' => 'getEndDate',
-        'is_entitled' => 'getIsEntitled',
-        'status' => 'getStatus'
+        'statutory_leave_id' => 'getStatutoryLeaveId''employee_id' => 'getEmployeeId''type' => 'getType''start_date' => 'getStartDate''end_date' => 'getEndDate''is_entitled' => 'getIsEntitled''status' => 'getStatus'
     ];
 
     /**
@@ -506,6 +478,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -518,6 +491,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -531,6 +505,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -547,6 +522,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeStatutoryLeavesSummaries.php b/lib/Models/PayrollUk/EmployeeStatutoryLeavesSummaries.php
index 304c3e28..80339659 100644
--- a/lib/Models/PayrollUk/EmployeeStatutoryLeavesSummaries.php
+++ b/lib/Models/PayrollUk/EmployeeStatutoryLeavesSummaries.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeStatutoryLeavesSummaries Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeStatutoryLeavesSummaries implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'statutory_leaves' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutoryLeaveSummary[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''statutory_leaves' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutoryLeaveSummary[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeStatutoryLeavesSummaries implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'statutory_leaves' => null
+        'pagination' => null'problem' => null'statutory_leaves' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'statutory_leaves' => 'statutoryLeaves'
+        'pagination' => 'pagination''problem' => 'problem''statutory_leaves' => 'statutoryLeaves'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'statutory_leaves' => 'setStatutoryLeaves'
+        'pagination' => 'setPagination''problem' => 'setProblem''statutory_leaves' => 'setStatutoryLeaves'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'statutory_leaves' => 'getStatutoryLeaves'
+        'pagination' => 'getPagination''problem' => 'getProblem''statutory_leaves' => 'getStatutoryLeaves'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setStatutoryLeaves($statutory_leaves)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeStatutorySickLeave.php b/lib/Models/PayrollUk/EmployeeStatutorySickLeave.php
index fd7f7611..0687de27 100644
--- a/lib/Models/PayrollUk/EmployeeStatutorySickLeave.php
+++ b/lib/Models/PayrollUk/EmployeeStatutorySickLeave.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeStatutorySickLeave Class Doc Comment
  *
@@ -56,22 +58,7 @@ class EmployeeStatutorySickLeave implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'statutory_leave_id' => 'string',
-        'employee_id' => 'string',
-        'leave_type_id' => 'string',
-        'start_date' => '\DateTime',
-        'end_date' => '\DateTime',
-        'type' => 'string',
-        'status' => 'string',
-        'work_pattern' => 'string[]',
-        'is_pregnancy_related' => 'bool',
-        'sufficient_notice' => 'bool',
-        'is_entitled' => 'bool',
-        'entitlement_weeks_requested' => 'double',
-        'entitlement_weeks_qualified' => 'double',
-        'entitlement_weeks_remaining' => 'double',
-        'overlaps_with_other_leave' => 'bool',
-        'entitlement_failure_reasons' => 'string[]'
+        'statutory_leave_id' => 'string''employee_id' => 'string''leave_type_id' => 'string''start_date' => '\DateTime''end_date' => '\DateTime''type' => 'string''status' => 'string''work_pattern' => 'string[]''is_pregnancy_related' => 'bool''sufficient_notice' => 'bool''is_entitled' => 'bool''entitlement_weeks_requested' => 'double''entitlement_weeks_qualified' => 'double''entitlement_weeks_remaining' => 'double''overlaps_with_other_leave' => 'bool''entitlement_failure_reasons' => 'string[]'
     ];
 
     /**
@@ -80,22 +67,7 @@ class EmployeeStatutorySickLeave implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'statutory_leave_id' => 'uuid',
-        'employee_id' => 'uuid',
-        'leave_type_id' => 'uuid',
-        'start_date' => 'date',
-        'end_date' => 'date',
-        'type' => null,
-        'status' => null,
-        'work_pattern' => null,
-        'is_pregnancy_related' => null,
-        'sufficient_notice' => null,
-        'is_entitled' => null,
-        'entitlement_weeks_requested' => 'double',
-        'entitlement_weeks_qualified' => 'double',
-        'entitlement_weeks_remaining' => 'double',
-        'overlaps_with_other_leave' => null,
-        'entitlement_failure_reasons' => null
+        'statutory_leave_id' => 'uuid''employee_id' => 'uuid''leave_type_id' => 'uuid''start_date' => 'date''end_date' => 'date''type' => null'status' => null'work_pattern' => null'is_pregnancy_related' => null'sufficient_notice' => null'is_entitled' => null'entitlement_weeks_requested' => 'double''entitlement_weeks_qualified' => 'double''entitlement_weeks_remaining' => 'double''overlaps_with_other_leave' => null'entitlement_failure_reasons' => null
     ];
 
     /**
@@ -125,22 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'statutory_leave_id' => 'statutoryLeaveID',
-        'employee_id' => 'employeeID',
-        'leave_type_id' => 'leaveTypeID',
-        'start_date' => 'startDate',
-        'end_date' => 'endDate',
-        'type' => 'type',
-        'status' => 'status',
-        'work_pattern' => 'workPattern',
-        'is_pregnancy_related' => 'isPregnancyRelated',
-        'sufficient_notice' => 'sufficientNotice',
-        'is_entitled' => 'isEntitled',
-        'entitlement_weeks_requested' => 'entitlementWeeksRequested',
-        'entitlement_weeks_qualified' => 'entitlementWeeksQualified',
-        'entitlement_weeks_remaining' => 'entitlementWeeksRemaining',
-        'overlaps_with_other_leave' => 'overlapsWithOtherLeave',
-        'entitlement_failure_reasons' => 'entitlementFailureReasons'
+        'statutory_leave_id' => 'statutoryLeaveID''employee_id' => 'employeeID''leave_type_id' => 'leaveTypeID''start_date' => 'startDate''end_date' => 'endDate''type' => 'type''status' => 'status''work_pattern' => 'workPattern''is_pregnancy_related' => 'isPregnancyRelated''sufficient_notice' => 'sufficientNotice''is_entitled' => 'isEntitled''entitlement_weeks_requested' => 'entitlementWeeksRequested''entitlement_weeks_qualified' => 'entitlementWeeksQualified''entitlement_weeks_remaining' => 'entitlementWeeksRemaining''overlaps_with_other_leave' => 'overlapsWithOtherLeave''entitlement_failure_reasons' => 'entitlementFailureReasons'
     ];
 
     /**
@@ -149,22 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'statutory_leave_id' => 'setStatutoryLeaveId',
-        'employee_id' => 'setEmployeeId',
-        'leave_type_id' => 'setLeaveTypeId',
-        'start_date' => 'setStartDate',
-        'end_date' => 'setEndDate',
-        'type' => 'setType',
-        'status' => 'setStatus',
-        'work_pattern' => 'setWorkPattern',
-        'is_pregnancy_related' => 'setIsPregnancyRelated',
-        'sufficient_notice' => 'setSufficientNotice',
-        'is_entitled' => 'setIsEntitled',
-        'entitlement_weeks_requested' => 'setEntitlementWeeksRequested',
-        'entitlement_weeks_qualified' => 'setEntitlementWeeksQualified',
-        'entitlement_weeks_remaining' => 'setEntitlementWeeksRemaining',
-        'overlaps_with_other_leave' => 'setOverlapsWithOtherLeave',
-        'entitlement_failure_reasons' => 'setEntitlementFailureReasons'
+        'statutory_leave_id' => 'setStatutoryLeaveId''employee_id' => 'setEmployeeId''leave_type_id' => 'setLeaveTypeId''start_date' => 'setStartDate''end_date' => 'setEndDate''type' => 'setType''status' => 'setStatus''work_pattern' => 'setWorkPattern''is_pregnancy_related' => 'setIsPregnancyRelated''sufficient_notice' => 'setSufficientNotice''is_entitled' => 'setIsEntitled''entitlement_weeks_requested' => 'setEntitlementWeeksRequested''entitlement_weeks_qualified' => 'setEntitlementWeeksQualified''entitlement_weeks_remaining' => 'setEntitlementWeeksRemaining''overlaps_with_other_leave' => 'setOverlapsWithOtherLeave''entitlement_failure_reasons' => 'setEntitlementFailureReasons'
     ];
 
     /**
@@ -173,22 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'statutory_leave_id' => 'getStatutoryLeaveId',
-        'employee_id' => 'getEmployeeId',
-        'leave_type_id' => 'getLeaveTypeId',
-        'start_date' => 'getStartDate',
-        'end_date' => 'getEndDate',
-        'type' => 'getType',
-        'status' => 'getStatus',
-        'work_pattern' => 'getWorkPattern',
-        'is_pregnancy_related' => 'getIsPregnancyRelated',
-        'sufficient_notice' => 'getSufficientNotice',
-        'is_entitled' => 'getIsEntitled',
-        'entitlement_weeks_requested' => 'getEntitlementWeeksRequested',
-        'entitlement_weeks_qualified' => 'getEntitlementWeeksQualified',
-        'entitlement_weeks_remaining' => 'getEntitlementWeeksRemaining',
-        'overlaps_with_other_leave' => 'getOverlapsWithOtherLeave',
-        'entitlement_failure_reasons' => 'getEntitlementFailureReasons'
+        'statutory_leave_id' => 'getStatutoryLeaveId''employee_id' => 'getEmployeeId''leave_type_id' => 'getLeaveTypeId''start_date' => 'getStartDate''end_date' => 'getEndDate''type' => 'getType''status' => 'getStatus''work_pattern' => 'getWorkPattern''is_pregnancy_related' => 'getIsPregnancyRelated''sufficient_notice' => 'getSufficientNotice''is_entitled' => 'getIsEntitled''entitlement_weeks_requested' => 'getEntitlementWeeksRequested''entitlement_weeks_qualified' => 'getEntitlementWeeksQualified''entitlement_weeks_remaining' => 'getEntitlementWeeksRemaining''overlaps_with_other_leave' => 'getOverlapsWithOtherLeave''entitlement_failure_reasons' => 'getEntitlementFailureReasons'
     ];
 
     /**
@@ -784,6 +711,7 @@ public function setEntitlementFailureReasons($entitlement_failure_reasons)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -796,6 +724,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -809,6 +738,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -825,6 +755,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeStatutorySickLeaveObject.php b/lib/Models/PayrollUk/EmployeeStatutorySickLeaveObject.php
index 8796023a..2943cfc6 100644
--- a/lib/Models/PayrollUk/EmployeeStatutorySickLeaveObject.php
+++ b/lib/Models/PayrollUk/EmployeeStatutorySickLeaveObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeStatutorySickLeaveObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeStatutorySickLeaveObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'statutory_sick_leave' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutorySickLeave'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''statutory_sick_leave' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutorySickLeave'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeStatutorySickLeaveObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'statutory_sick_leave' => null
+        'pagination' => null'problem' => null'statutory_sick_leave' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'statutory_sick_leave' => 'statutorySickLeave'
+        'pagination' => 'pagination''problem' => 'problem''statutory_sick_leave' => 'statutorySickLeave'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'statutory_sick_leave' => 'setStatutorySickLeave'
+        'pagination' => 'setPagination''problem' => 'setProblem''statutory_sick_leave' => 'setStatutorySickLeave'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'statutory_sick_leave' => 'getStatutorySickLeave'
+        'pagination' => 'getPagination''problem' => 'getProblem''statutory_sick_leave' => 'getStatutorySickLeave'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setStatutorySickLeave($statutory_sick_leave)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeStatutorySickLeaves.php b/lib/Models/PayrollUk/EmployeeStatutorySickLeaves.php
index d4b7acd8..f8c16073 100644
--- a/lib/Models/PayrollUk/EmployeeStatutorySickLeaves.php
+++ b/lib/Models/PayrollUk/EmployeeStatutorySickLeaves.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeStatutorySickLeaves Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeStatutorySickLeaves implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'statutory_sick_leave' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutorySickLeave[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''statutory_sick_leave' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutorySickLeave[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeStatutorySickLeaves implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'statutory_sick_leave' => null
+        'pagination' => null'problem' => null'statutory_sick_leave' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'statutory_sick_leave' => 'statutorySickLeave'
+        'pagination' => 'pagination''problem' => 'problem''statutory_sick_leave' => 'statutorySickLeave'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'statutory_sick_leave' => 'setStatutorySickLeave'
+        'pagination' => 'setPagination''problem' => 'setProblem''statutory_sick_leave' => 'setStatutorySickLeave'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'statutory_sick_leave' => 'getStatutorySickLeave'
+        'pagination' => 'getPagination''problem' => 'getProblem''statutory_sick_leave' => 'getStatutorySickLeave'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setStatutorySickLeave($statutory_sick_leave)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeTax.php b/lib/Models/PayrollUk/EmployeeTax.php
index bcb14968..67cbf1bb 100644
--- a/lib/Models/PayrollUk/EmployeeTax.php
+++ b/lib/Models/PayrollUk/EmployeeTax.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeTax Class Doc Comment
  *
@@ -56,17 +58,7 @@ class EmployeeTax implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'starter_type' => 'string',
-        'starter_declaration' => 'string',
-        'tax_code' => 'string',
-        'w1_m1' => 'bool',
-        'previous_taxable_pay' => 'double',
-        'previous_tax_paid' => 'double',
-        'student_loan_deduction' => 'string',
-        'has_post_graduate_loans' => 'bool',
-        'is_director' => 'bool',
-        'directorship_start_date' => '\DateTime',
-        'nic_calculation_method' => 'string'
+        'starter_type' => 'string''starter_declaration' => 'string''tax_code' => 'string''w1_m1' => 'bool''previous_taxable_pay' => 'double''previous_tax_paid' => 'double''student_loan_deduction' => 'string''has_post_graduate_loans' => 'bool''is_director' => 'bool''directorship_start_date' => '\DateTime''nic_calculation_method' => 'string'
     ];
 
     /**
@@ -75,17 +67,7 @@ class EmployeeTax implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'starter_type' => null,
-        'starter_declaration' => null,
-        'tax_code' => null,
-        'w1_m1' => null,
-        'previous_taxable_pay' => 'double',
-        'previous_tax_paid' => 'double',
-        'student_loan_deduction' => null,
-        'has_post_graduate_loans' => null,
-        'is_director' => null,
-        'directorship_start_date' => 'date',
-        'nic_calculation_method' => null
+        'starter_type' => null'starter_declaration' => null'tax_code' => null'w1_m1' => null'previous_taxable_pay' => 'double''previous_tax_paid' => 'double''student_loan_deduction' => null'has_post_graduate_loans' => null'is_director' => null'directorship_start_date' => 'date''nic_calculation_method' => null
     ];
 
     /**
@@ -115,17 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'starter_type' => 'starterType',
-        'starter_declaration' => 'starterDeclaration',
-        'tax_code' => 'taxCode',
-        'w1_m1' => 'w1M1',
-        'previous_taxable_pay' => 'previousTaxablePay',
-        'previous_tax_paid' => 'previousTaxPaid',
-        'student_loan_deduction' => 'studentLoanDeduction',
-        'has_post_graduate_loans' => 'hasPostGraduateLoans',
-        'is_director' => 'isDirector',
-        'directorship_start_date' => 'directorshipStartDate',
-        'nic_calculation_method' => 'nicCalculationMethod'
+        'starter_type' => 'starterType''starter_declaration' => 'starterDeclaration''tax_code' => 'taxCode''w1_m1' => 'w1M1''previous_taxable_pay' => 'previousTaxablePay''previous_tax_paid' => 'previousTaxPaid''student_loan_deduction' => 'studentLoanDeduction''has_post_graduate_loans' => 'hasPostGraduateLoans''is_director' => 'isDirector''directorship_start_date' => 'directorshipStartDate''nic_calculation_method' => 'nicCalculationMethod'
     ];
 
     /**
@@ -134,17 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'starter_type' => 'setStarterType',
-        'starter_declaration' => 'setStarterDeclaration',
-        'tax_code' => 'setTaxCode',
-        'w1_m1' => 'setW1M1',
-        'previous_taxable_pay' => 'setPreviousTaxablePay',
-        'previous_tax_paid' => 'setPreviousTaxPaid',
-        'student_loan_deduction' => 'setStudentLoanDeduction',
-        'has_post_graduate_loans' => 'setHasPostGraduateLoans',
-        'is_director' => 'setIsDirector',
-        'directorship_start_date' => 'setDirectorshipStartDate',
-        'nic_calculation_method' => 'setNicCalculationMethod'
+        'starter_type' => 'setStarterType''starter_declaration' => 'setStarterDeclaration''tax_code' => 'setTaxCode''w1_m1' => 'setW1M1''previous_taxable_pay' => 'setPreviousTaxablePay''previous_tax_paid' => 'setPreviousTaxPaid''student_loan_deduction' => 'setStudentLoanDeduction''has_post_graduate_loans' => 'setHasPostGraduateLoans''is_director' => 'setIsDirector''directorship_start_date' => 'setDirectorshipStartDate''nic_calculation_method' => 'setNicCalculationMethod'
     ];
 
     /**
@@ -153,17 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'starter_type' => 'getStarterType',
-        'starter_declaration' => 'getStarterDeclaration',
-        'tax_code' => 'getTaxCode',
-        'w1_m1' => 'getW1M1',
-        'previous_taxable_pay' => 'getPreviousTaxablePay',
-        'previous_tax_paid' => 'getPreviousTaxPaid',
-        'student_loan_deduction' => 'getStudentLoanDeduction',
-        'has_post_graduate_loans' => 'getHasPostGraduateLoans',
-        'is_director' => 'getIsDirector',
-        'directorship_start_date' => 'getDirectorshipStartDate',
-        'nic_calculation_method' => 'getNicCalculationMethod'
+        'starter_type' => 'getStarterType''starter_declaration' => 'getStarterDeclaration''tax_code' => 'getTaxCode''w1_m1' => 'getW1M1''previous_taxable_pay' => 'getPreviousTaxablePay''previous_tax_paid' => 'getPreviousTaxPaid''student_loan_deduction' => 'getStudentLoanDeduction''has_post_graduate_loans' => 'getHasPostGraduateLoans''is_director' => 'getIsDirector''directorship_start_date' => 'getDirectorshipStartDate''nic_calculation_method' => 'getNicCalculationMethod'
     ];
 
     /**
@@ -566,6 +518,7 @@ public function setNicCalculationMethod($nic_calculation_method)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -578,6 +531,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -591,6 +545,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -607,6 +562,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeTaxObject.php b/lib/Models/PayrollUk/EmployeeTaxObject.php
index ba490088..c77075e8 100644
--- a/lib/Models/PayrollUk/EmployeeTaxObject.php
+++ b/lib/Models/PayrollUk/EmployeeTaxObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmployeeTaxObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmployeeTaxObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'employee_tax' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeTax'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''employee_tax' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeTax'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmployeeTaxObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'employee_tax' => null
+        'pagination' => null'problem' => null'employee_tax' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'employee_tax' => 'employeeTax'
+        'pagination' => 'pagination''problem' => 'problem''employee_tax' => 'employeeTax'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'employee_tax' => 'setEmployeeTax'
+        'pagination' => 'setPagination''problem' => 'setProblem''employee_tax' => 'setEmployeeTax'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'employee_tax' => 'getEmployeeTax'
+        'pagination' => 'getPagination''problem' => 'getProblem''employee_tax' => 'getEmployeeTax'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setEmployeeTax($employee_tax)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Employees.php b/lib/Models/PayrollUk/Employees.php
index fa343509..cc0c708d 100644
--- a/lib/Models/PayrollUk/Employees.php
+++ b/lib/Models/PayrollUk/Employees.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Employees Class Doc Comment
  *
@@ -56,9 +58,7 @@ class Employees implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'employees' => '\XeroAPI\XeroPHP\Models\PayrollUk\Employee[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''employees' => '\XeroAPI\XeroPHP\Models\PayrollUk\Employee[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class Employees implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'employees' => null
+        'pagination' => null'problem' => null'employees' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'employees' => 'employees'
+        'pagination' => 'pagination''problem' => 'problem''employees' => 'employees'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'employees' => 'setEmployees'
+        'pagination' => 'setPagination''problem' => 'setProblem''employees' => 'setEmployees'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'employees' => 'getEmployees'
+        'pagination' => 'getPagination''problem' => 'getProblem''employees' => 'getEmployees'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setEmployees($employees)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Employment.php b/lib/Models/PayrollUk/Employment.php
index 9976ac7e..059c05c5 100644
--- a/lib/Models/PayrollUk/Employment.php
+++ b/lib/Models/PayrollUk/Employment.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Employment Class Doc Comment
  *
@@ -56,10 +58,7 @@ class Employment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'payroll_calendar_id' => 'string',
-        'start_date' => '\DateTime',
-        'employee_number' => 'string',
-        'ni_category' => 'string'
+        'payroll_calendar_id' => 'string''start_date' => '\DateTime''employee_number' => 'string''ni_category' => 'string'
     ];
 
     /**
@@ -68,10 +67,7 @@ class Employment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'payroll_calendar_id' => 'uuid',
-        'start_date' => 'date',
-        'employee_number' => null,
-        'ni_category' => null
+        'payroll_calendar_id' => 'uuid''start_date' => 'date''employee_number' => null'ni_category' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'payroll_calendar_id' => 'payrollCalendarID',
-        'start_date' => 'startDate',
-        'employee_number' => 'employeeNumber',
-        'ni_category' => 'niCategory'
+        'payroll_calendar_id' => 'payrollCalendarID''start_date' => 'startDate''employee_number' => 'employeeNumber''ni_category' => 'niCategory'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'payroll_calendar_id' => 'setPayrollCalendarId',
-        'start_date' => 'setStartDate',
-        'employee_number' => 'setEmployeeNumber',
-        'ni_category' => 'setNiCategory'
+        'payroll_calendar_id' => 'setPayrollCalendarId''start_date' => 'setStartDate''employee_number' => 'setEmployeeNumber''ni_category' => 'setNiCategory'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'payroll_calendar_id' => 'getPayrollCalendarId',
-        'start_date' => 'getStartDate',
-        'employee_number' => 'getEmployeeNumber',
-        'ni_category' => 'getNiCategory'
+        'payroll_calendar_id' => 'getPayrollCalendarId''start_date' => 'getStartDate''employee_number' => 'getEmployeeNumber''ni_category' => 'getNiCategory'
     ];
 
     /**
@@ -175,11 +162,16 @@ public function getModelName()
     const NI_CATEGORY_A = 'A';
     const NI_CATEGORY_B = 'B';
     const NI_CATEGORY_C = 'C';
+    const NI_CATEGORY_F = 'F';
     const NI_CATEGORY_H = 'H';
+    const NI_CATEGORY_I = 'I';
     const NI_CATEGORY_J = 'J';
+    const NI_CATEGORY_L = 'L';
     const NI_CATEGORY_M = 'M';
-    const NI_CATEGORY_Z = 'Z';
+    const NI_CATEGORY_S = 'S';
+    const NI_CATEGORY_V = 'V';
     const NI_CATEGORY_X = 'X';
+    const NI_CATEGORY_Z = 'Z';
     
 
     
@@ -194,11 +186,16 @@ public function getNiCategoryAllowableValues()
             self::NI_CATEGORY_A,
             self::NI_CATEGORY_B,
             self::NI_CATEGORY_C,
+            self::NI_CATEGORY_F,
             self::NI_CATEGORY_H,
+            self::NI_CATEGORY_I,
             self::NI_CATEGORY_J,
+            self::NI_CATEGORY_L,
             self::NI_CATEGORY_M,
-            self::NI_CATEGORY_Z,
+            self::NI_CATEGORY_S,
+            self::NI_CATEGORY_V,
             self::NI_CATEGORY_X,
+            self::NI_CATEGORY_Z,
         ];
     }
     
@@ -379,6 +376,7 @@ public function setNiCategory($ni_category)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -391,6 +389,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -404,6 +403,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -420,6 +420,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmploymentObject.php b/lib/Models/PayrollUk/EmploymentObject.php
index b35dfec6..417d8da6 100644
--- a/lib/Models/PayrollUk/EmploymentObject.php
+++ b/lib/Models/PayrollUk/EmploymentObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * EmploymentObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class EmploymentObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'employment' => '\XeroAPI\XeroPHP\Models\PayrollUk\Employment'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''employment' => '\XeroAPI\XeroPHP\Models\PayrollUk\Employment'
     ];
 
     /**
@@ -67,9 +67,7 @@ class EmploymentObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'employment' => null
+        'pagination' => null'problem' => null'employment' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'employment' => 'employment'
+        'pagination' => 'pagination''problem' => 'problem''employment' => 'employment'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'employment' => 'setEmployment'
+        'pagination' => 'setPagination''problem' => 'setProblem''employment' => 'setEmployment'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'employment' => 'getEmployment'
+        'pagination' => 'getPagination''problem' => 'getProblem''employment' => 'getEmployment'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setEmployment($employment)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/InvalidField.php b/lib/Models/PayrollUk/InvalidField.php
index d75e8f00..56e728ed 100644
--- a/lib/Models/PayrollUk/InvalidField.php
+++ b/lib/Models/PayrollUk/InvalidField.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * InvalidField Class Doc Comment
  *
@@ -56,8 +58,7 @@ class InvalidField implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string',
-        'reason' => 'string'
+        'name' => 'string''reason' => 'string'
     ];
 
     /**
@@ -66,8 +67,7 @@ class InvalidField implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null,
-        'reason' => null
+        'name' => null'reason' => null
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'name',
-        'reason' => 'reason'
+        'name' => 'name''reason' => 'reason'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName',
-        'reason' => 'setReason'
+        'name' => 'setName''reason' => 'setReason'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName',
-        'reason' => 'getReason'
+        'name' => 'getName''reason' => 'getReason'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setReason($reason)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/LeaveAccrualLine.php b/lib/Models/PayrollUk/LeaveAccrualLine.php
index 0b8ce0b1..23713c11 100644
--- a/lib/Models/PayrollUk/LeaveAccrualLine.php
+++ b/lib/Models/PayrollUk/LeaveAccrualLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LeaveAccrualLine Class Doc Comment
  *
@@ -56,8 +58,7 @@ class LeaveAccrualLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_type_id' => 'string',
-        'number_of_units' => 'double'
+        'leave_type_id' => 'string''number_of_units' => 'double'
     ];
 
     /**
@@ -66,8 +67,7 @@ class LeaveAccrualLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_type_id' => 'uuid',
-        'number_of_units' => 'double'
+        'leave_type_id' => 'uuid''number_of_units' => 'double'
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_type_id' => 'leaveTypeID',
-        'number_of_units' => 'numberOfUnits'
+        'leave_type_id' => 'leaveTypeID''number_of_units' => 'numberOfUnits'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_type_id' => 'setLeaveTypeId',
-        'number_of_units' => 'setNumberOfUnits'
+        'leave_type_id' => 'setLeaveTypeId''number_of_units' => 'setNumberOfUnits'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_type_id' => 'getLeaveTypeId',
-        'number_of_units' => 'getNumberOfUnits'
+        'leave_type_id' => 'getLeaveTypeId''number_of_units' => 'getNumberOfUnits'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setNumberOfUnits($number_of_units)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/LeaveEarningsLine.php b/lib/Models/PayrollUk/LeaveEarningsLine.php
index 46e08fa1..bbd175d4 100644
--- a/lib/Models/PayrollUk/LeaveEarningsLine.php
+++ b/lib/Models/PayrollUk/LeaveEarningsLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LeaveEarningsLine Class Doc Comment
  *
@@ -56,12 +58,7 @@ class LeaveEarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_rate_id' => 'string',
-        'rate_per_unit' => 'double',
-        'number_of_units' => 'double',
-        'fixed_amount' => 'double',
-        'amount' => 'double',
-        'is_linked_to_timesheet' => 'bool'
+        'earnings_rate_id' => 'string''rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''amount' => 'double''is_linked_to_timesheet' => 'bool'
     ];
 
     /**
@@ -70,12 +67,7 @@ class LeaveEarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_rate_id' => 'uuid',
-        'rate_per_unit' => 'double',
-        'number_of_units' => 'double',
-        'fixed_amount' => 'double',
-        'amount' => 'double',
-        'is_linked_to_timesheet' => null
+        'earnings_rate_id' => 'uuid''rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''amount' => 'double''is_linked_to_timesheet' => null
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_rate_id' => 'earningsRateID',
-        'rate_per_unit' => 'ratePerUnit',
-        'number_of_units' => 'numberOfUnits',
-        'fixed_amount' => 'fixedAmount',
-        'amount' => 'amount',
-        'is_linked_to_timesheet' => 'isLinkedToTimesheet'
+        'earnings_rate_id' => 'earningsRateID''rate_per_unit' => 'ratePerUnit''number_of_units' => 'numberOfUnits''fixed_amount' => 'fixedAmount''amount' => 'amount''is_linked_to_timesheet' => 'isLinkedToTimesheet'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_rate_id' => 'setEarningsRateId',
-        'rate_per_unit' => 'setRatePerUnit',
-        'number_of_units' => 'setNumberOfUnits',
-        'fixed_amount' => 'setFixedAmount',
-        'amount' => 'setAmount',
-        'is_linked_to_timesheet' => 'setIsLinkedToTimesheet'
+        'earnings_rate_id' => 'setEarningsRateId''rate_per_unit' => 'setRatePerUnit''number_of_units' => 'setNumberOfUnits''fixed_amount' => 'setFixedAmount''amount' => 'setAmount''is_linked_to_timesheet' => 'setIsLinkedToTimesheet'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_rate_id' => 'getEarningsRateId',
-        'rate_per_unit' => 'getRatePerUnit',
-        'number_of_units' => 'getNumberOfUnits',
-        'fixed_amount' => 'getFixedAmount',
-        'amount' => 'getAmount',
-        'is_linked_to_timesheet' => 'getIsLinkedToTimesheet'
+        'earnings_rate_id' => 'getEarningsRateId''rate_per_unit' => 'getRatePerUnit''number_of_units' => 'getNumberOfUnits''fixed_amount' => 'getFixedAmount''amount' => 'getAmount''is_linked_to_timesheet' => 'getIsLinkedToTimesheet'
     ];
 
     /**
@@ -401,6 +378,7 @@ public function setIsLinkedToTimesheet($is_linked_to_timesheet)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -413,6 +391,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -426,6 +405,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -442,6 +422,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/LeavePeriod.php b/lib/Models/PayrollUk/LeavePeriod.php
index 5b9dc1e5..daba5685 100644
--- a/lib/Models/PayrollUk/LeavePeriod.php
+++ b/lib/Models/PayrollUk/LeavePeriod.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LeavePeriod Class Doc Comment
  *
@@ -56,10 +58,7 @@ class LeavePeriod implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'period_start_date' => '\DateTime',
-        'period_end_date' => '\DateTime',
-        'number_of_units' => 'double',
-        'period_status' => 'string'
+        'period_start_date' => '\DateTime''period_end_date' => '\DateTime''number_of_units' => 'double''period_status' => 'string'
     ];
 
     /**
@@ -68,10 +67,7 @@ class LeavePeriod implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'period_start_date' => 'date',
-        'period_end_date' => 'date',
-        'number_of_units' => 'double',
-        'period_status' => null
+        'period_start_date' => 'date''period_end_date' => 'date''number_of_units' => 'double''period_status' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'period_start_date' => 'periodStartDate',
-        'period_end_date' => 'periodEndDate',
-        'number_of_units' => 'numberOfUnits',
-        'period_status' => 'periodStatus'
+        'period_start_date' => 'periodStartDate''period_end_date' => 'periodEndDate''number_of_units' => 'numberOfUnits''period_status' => 'periodStatus'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'period_start_date' => 'setPeriodStartDate',
-        'period_end_date' => 'setPeriodEndDate',
-        'number_of_units' => 'setNumberOfUnits',
-        'period_status' => 'setPeriodStatus'
+        'period_start_date' => 'setPeriodStartDate''period_end_date' => 'setPeriodEndDate''number_of_units' => 'setNumberOfUnits''period_status' => 'setPeriodStatus'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'period_start_date' => 'getPeriodStartDate',
-        'period_end_date' => 'getPeriodEndDate',
-        'number_of_units' => 'getNumberOfUnits',
-        'period_status' => 'getPeriodStatus'
+        'period_start_date' => 'getPeriodStartDate''period_end_date' => 'getPeriodEndDate''number_of_units' => 'getNumberOfUnits''period_status' => 'getPeriodStatus'
     ];
 
     /**
@@ -367,6 +354,7 @@ public function setPeriodStatus($period_status)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -379,6 +367,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -392,6 +381,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -408,6 +398,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/LeavePeriods.php b/lib/Models/PayrollUk/LeavePeriods.php
index 432aa221..b3f080db 100644
--- a/lib/Models/PayrollUk/LeavePeriods.php
+++ b/lib/Models/PayrollUk/LeavePeriods.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LeavePeriods Class Doc Comment
  *
@@ -56,9 +58,7 @@ class LeavePeriods implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'periods' => '\XeroAPI\XeroPHP\Models\PayrollUk\LeavePeriod[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''periods' => '\XeroAPI\XeroPHP\Models\PayrollUk\LeavePeriod[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class LeavePeriods implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'periods' => null
+        'pagination' => null'problem' => null'periods' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'periods' => 'periods'
+        'pagination' => 'pagination''problem' => 'problem''periods' => 'periods'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'periods' => 'setPeriods'
+        'pagination' => 'setPagination''problem' => 'setProblem''periods' => 'setPeriods'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'periods' => 'getPeriods'
+        'pagination' => 'getPagination''problem' => 'getProblem''periods' => 'getPeriods'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setPeriods($periods)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/LeaveType.php b/lib/Models/PayrollUk/LeaveType.php
index b7d699c8..21161656 100644
--- a/lib/Models/PayrollUk/LeaveType.php
+++ b/lib/Models/PayrollUk/LeaveType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LeaveType Class Doc Comment
  *
@@ -56,14 +58,7 @@ class LeaveType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_id' => 'string',
-        'leave_type_id' => 'string',
-        'name' => 'string',
-        'is_paid_leave' => 'bool',
-        'show_on_payslip' => 'bool',
-        'updated_date_utc' => '\DateTime',
-        'is_active' => 'bool',
-        'is_statutory_leave' => 'bool'
+        'leave_id' => 'string''leave_type_id' => 'string''name' => 'string''is_paid_leave' => 'bool''show_on_payslip' => 'bool''updated_date_utc' => '\DateTime''is_active' => 'bool''is_statutory_leave' => 'bool'
     ];
 
     /**
@@ -72,14 +67,7 @@ class LeaveType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_id' => 'uuid',
-        'leave_type_id' => 'uuid',
-        'name' => null,
-        'is_paid_leave' => null,
-        'show_on_payslip' => null,
-        'updated_date_utc' => 'date-time',
-        'is_active' => null,
-        'is_statutory_leave' => null
+        'leave_id' => 'uuid''leave_type_id' => 'uuid''name' => null'is_paid_leave' => null'show_on_payslip' => null'updated_date_utc' => 'date-time''is_active' => null'is_statutory_leave' => null
     ];
 
     /**
@@ -109,14 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_id' => 'leaveID',
-        'leave_type_id' => 'leaveTypeID',
-        'name' => 'name',
-        'is_paid_leave' => 'isPaidLeave',
-        'show_on_payslip' => 'showOnPayslip',
-        'updated_date_utc' => 'updatedDateUTC',
-        'is_active' => 'isActive',
-        'is_statutory_leave' => 'isStatutoryLeave'
+        'leave_id' => 'leaveID''leave_type_id' => 'leaveTypeID''name' => 'name''is_paid_leave' => 'isPaidLeave''show_on_payslip' => 'showOnPayslip''updated_date_utc' => 'updatedDateUTC''is_active' => 'isActive''is_statutory_leave' => 'isStatutoryLeave'
     ];
 
     /**
@@ -125,14 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_id' => 'setLeaveId',
-        'leave_type_id' => 'setLeaveTypeId',
-        'name' => 'setName',
-        'is_paid_leave' => 'setIsPaidLeave',
-        'show_on_payslip' => 'setShowOnPayslip',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'is_active' => 'setIsActive',
-        'is_statutory_leave' => 'setIsStatutoryLeave'
+        'leave_id' => 'setLeaveId''leave_type_id' => 'setLeaveTypeId''name' => 'setName''is_paid_leave' => 'setIsPaidLeave''show_on_payslip' => 'setShowOnPayslip''updated_date_utc' => 'setUpdatedDateUtc''is_active' => 'setIsActive''is_statutory_leave' => 'setIsStatutoryLeave'
     ];
 
     /**
@@ -141,14 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_id' => 'getLeaveId',
-        'leave_type_id' => 'getLeaveTypeId',
-        'name' => 'getName',
-        'is_paid_leave' => 'getIsPaidLeave',
-        'show_on_payslip' => 'getShowOnPayslip',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'is_active' => 'getIsActive',
-        'is_statutory_leave' => 'getIsStatutoryLeave'
+        'leave_id' => 'getLeaveId''leave_type_id' => 'getLeaveTypeId''name' => 'getName''is_paid_leave' => 'getIsPaidLeave''show_on_payslip' => 'getShowOnPayslip''updated_date_utc' => 'getUpdatedDateUtc''is_active' => 'getIsActive''is_statutory_leave' => 'getIsStatutoryLeave'
     ];
 
     /**
@@ -476,6 +443,7 @@ public function setIsStatutoryLeave($is_statutory_leave)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -488,6 +456,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -501,6 +470,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -517,6 +487,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/LeaveTypeObject.php b/lib/Models/PayrollUk/LeaveTypeObject.php
index 75a19eef..b9292cce 100644
--- a/lib/Models/PayrollUk/LeaveTypeObject.php
+++ b/lib/Models/PayrollUk/LeaveTypeObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LeaveTypeObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class LeaveTypeObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'leave_type' => '\XeroAPI\XeroPHP\Models\PayrollUk\LeaveType'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''leave_type' => '\XeroAPI\XeroPHP\Models\PayrollUk\LeaveType'
     ];
 
     /**
@@ -67,9 +67,7 @@ class LeaveTypeObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'leave_type' => null
+        'pagination' => null'problem' => null'leave_type' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'leave_type' => 'leaveType'
+        'pagination' => 'pagination''problem' => 'problem''leave_type' => 'leaveType'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'leave_type' => 'setLeaveType'
+        'pagination' => 'setPagination''problem' => 'setProblem''leave_type' => 'setLeaveType'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'leave_type' => 'getLeaveType'
+        'pagination' => 'getPagination''problem' => 'getProblem''leave_type' => 'getLeaveType'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setLeaveType($leave_type)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/LeaveTypes.php b/lib/Models/PayrollUk/LeaveTypes.php
index d6c29777..ecdf6041 100644
--- a/lib/Models/PayrollUk/LeaveTypes.php
+++ b/lib/Models/PayrollUk/LeaveTypes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * LeaveTypes Class Doc Comment
  *
@@ -56,9 +58,7 @@ class LeaveTypes implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'leave_types' => '\XeroAPI\XeroPHP\Models\PayrollUk\LeaveType[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''leave_types' => '\XeroAPI\XeroPHP\Models\PayrollUk\LeaveType[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class LeaveTypes implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'leave_types' => null
+        'pagination' => null'problem' => null'leave_types' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'leave_types' => 'leaveTypes'
+        'pagination' => 'pagination''problem' => 'problem''leave_types' => 'leaveTypes'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'leave_types' => 'setLeaveTypes'
+        'pagination' => 'setPagination''problem' => 'setProblem''leave_types' => 'setLeaveTypes'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'leave_types' => 'getLeaveTypes'
+        'pagination' => 'getPagination''problem' => 'getProblem''leave_types' => 'getLeaveTypes'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setLeaveTypes($leave_types)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/ModelInterface.php b/lib/Models/PayrollUk/ModelInterface.php
index 3b3ff4f0..7bff152a 100644
--- a/lib/Models/PayrollUk/ModelInterface.php
+++ b/lib/Models/PayrollUk/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/Pagination.php b/lib/Models/PayrollUk/Pagination.php
index 658af4e3..1b307725 100644
--- a/lib/Models/PayrollUk/Pagination.php
+++ b/lib/Models/PayrollUk/Pagination.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Pagination Class Doc Comment
  *
@@ -56,10 +58,7 @@ class Pagination implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'page' => 'int',
-        'page_size' => 'int',
-        'page_count' => 'int',
-        'item_count' => 'int'
+        'page' => 'int''page_size' => 'int''page_count' => 'int''item_count' => 'int'
     ];
 
     /**
@@ -68,10 +67,7 @@ class Pagination implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'page' => null,
-        'page_size' => null,
-        'page_count' => null,
-        'item_count' => null
+        'page' => null'page_size' => null'page_count' => null'item_count' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'page' => 'page',
-        'page_size' => 'pageSize',
-        'page_count' => 'pageCount',
-        'item_count' => 'itemCount'
+        'page' => 'page''page_size' => 'pageSize''page_count' => 'pageCount''item_count' => 'itemCount'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'page' => 'setPage',
-        'page_size' => 'setPageSize',
-        'page_count' => 'setPageCount',
-        'item_count' => 'setItemCount'
+        'page' => 'setPage''page_size' => 'setPageSize''page_count' => 'setPageCount''item_count' => 'setItemCount'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'page' => 'getPage',
-        'page_size' => 'getPageSize',
-        'page_count' => 'getPageCount',
-        'item_count' => 'getItemCount'
+        'page' => 'getPage''page_size' => 'getPageSize''page_count' => 'getPageCount''item_count' => 'getItemCount'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setItemCount($item_count)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PayRun.php b/lib/Models/PayrollUk/PayRun.php
index 2b63b04b..e99a1d0e 100644
--- a/lib/Models/PayrollUk/PayRun.php
+++ b/lib/Models/PayrollUk/PayRun.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PayRun Class Doc Comment
  *
@@ -56,18 +58,7 @@ class PayRun implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pay_run_id' => 'string',
-        'payroll_calendar_id' => 'string',
-        'period_start_date' => '\DateTime',
-        'period_end_date' => '\DateTime',
-        'payment_date' => '\DateTime',
-        'total_cost' => 'double',
-        'total_pay' => 'double',
-        'pay_run_status' => 'string',
-        'pay_run_type' => 'string',
-        'calendar_type' => 'string',
-        'posted_date_time' => '\DateTime',
-        'pay_slips' => '\XeroAPI\XeroPHP\Models\PayrollUk\Payslip[]'
+        'pay_run_id' => 'string''payroll_calendar_id' => 'string''period_start_date' => '\DateTime''period_end_date' => '\DateTime''payment_date' => '\DateTime''total_cost' => 'double''total_pay' => 'double''pay_run_status' => 'string''pay_run_type' => 'string''calendar_type' => 'string''posted_date_time' => '\DateTime''pay_slips' => '\XeroAPI\XeroPHP\Models\PayrollUk\Payslip[]'
     ];
 
     /**
@@ -76,18 +67,7 @@ class PayRun implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pay_run_id' => 'uuid',
-        'payroll_calendar_id' => 'uuid',
-        'period_start_date' => 'date',
-        'period_end_date' => 'date',
-        'payment_date' => 'date',
-        'total_cost' => 'double',
-        'total_pay' => 'double',
-        'pay_run_status' => null,
-        'pay_run_type' => null,
-        'calendar_type' => null,
-        'posted_date_time' => 'date',
-        'pay_slips' => null
+        'pay_run_id' => 'uuid''payroll_calendar_id' => 'uuid''period_start_date' => 'date''period_end_date' => 'date''payment_date' => 'date''total_cost' => 'double''total_pay' => 'double''pay_run_status' => null'pay_run_type' => null'calendar_type' => null'posted_date_time' => 'date''pay_slips' => null
     ];
 
     /**
@@ -117,18 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pay_run_id' => 'payRunID',
-        'payroll_calendar_id' => 'payrollCalendarID',
-        'period_start_date' => 'periodStartDate',
-        'period_end_date' => 'periodEndDate',
-        'payment_date' => 'paymentDate',
-        'total_cost' => 'totalCost',
-        'total_pay' => 'totalPay',
-        'pay_run_status' => 'payRunStatus',
-        'pay_run_type' => 'payRunType',
-        'calendar_type' => 'calendarType',
-        'posted_date_time' => 'postedDateTime',
-        'pay_slips' => 'paySlips'
+        'pay_run_id' => 'payRunID''payroll_calendar_id' => 'payrollCalendarID''period_start_date' => 'periodStartDate''period_end_date' => 'periodEndDate''payment_date' => 'paymentDate''total_cost' => 'totalCost''total_pay' => 'totalPay''pay_run_status' => 'payRunStatus''pay_run_type' => 'payRunType''calendar_type' => 'calendarType''posted_date_time' => 'postedDateTime''pay_slips' => 'paySlips'
     ];
 
     /**
@@ -137,18 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pay_run_id' => 'setPayRunId',
-        'payroll_calendar_id' => 'setPayrollCalendarId',
-        'period_start_date' => 'setPeriodStartDate',
-        'period_end_date' => 'setPeriodEndDate',
-        'payment_date' => 'setPaymentDate',
-        'total_cost' => 'setTotalCost',
-        'total_pay' => 'setTotalPay',
-        'pay_run_status' => 'setPayRunStatus',
-        'pay_run_type' => 'setPayRunType',
-        'calendar_type' => 'setCalendarType',
-        'posted_date_time' => 'setPostedDateTime',
-        'pay_slips' => 'setPaySlips'
+        'pay_run_id' => 'setPayRunId''payroll_calendar_id' => 'setPayrollCalendarId''period_start_date' => 'setPeriodStartDate''period_end_date' => 'setPeriodEndDate''payment_date' => 'setPaymentDate''total_cost' => 'setTotalCost''total_pay' => 'setTotalPay''pay_run_status' => 'setPayRunStatus''pay_run_type' => 'setPayRunType''calendar_type' => 'setCalendarType''posted_date_time' => 'setPostedDateTime''pay_slips' => 'setPaySlips'
     ];
 
     /**
@@ -157,18 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pay_run_id' => 'getPayRunId',
-        'payroll_calendar_id' => 'getPayrollCalendarId',
-        'period_start_date' => 'getPeriodStartDate',
-        'period_end_date' => 'getPeriodEndDate',
-        'payment_date' => 'getPaymentDate',
-        'total_cost' => 'getTotalCost',
-        'total_pay' => 'getTotalPay',
-        'pay_run_status' => 'getPayRunStatus',
-        'pay_run_type' => 'getPayRunType',
-        'calendar_type' => 'getCalendarType',
-        'posted_date_time' => 'getPostedDateTime',
-        'pay_slips' => 'getPaySlips'
+        'pay_run_id' => 'getPayRunId''payroll_calendar_id' => 'getPayrollCalendarId''period_start_date' => 'getPeriodStartDate''period_end_date' => 'getPeriodEndDate''payment_date' => 'getPaymentDate''total_cost' => 'getTotalCost''total_pay' => 'getTotalPay''pay_run_status' => 'getPayRunStatus''pay_run_type' => 'getPayRunType''calendar_type' => 'getCalendarType''posted_date_time' => 'getPostedDateTime''pay_slips' => 'getPaySlips'
     ];
 
     /**
@@ -705,6 +652,7 @@ public function setPaySlips($pay_slips)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -717,6 +665,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -730,6 +679,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -746,6 +696,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PayRunCalendar.php b/lib/Models/PayrollUk/PayRunCalendar.php
index d0826a0f..2fa1513f 100644
--- a/lib/Models/PayrollUk/PayRunCalendar.php
+++ b/lib/Models/PayrollUk/PayRunCalendar.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PayRunCalendar Class Doc Comment
  *
@@ -56,13 +58,7 @@ class PayRunCalendar implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'payroll_calendar_id' => 'string',
-        'name' => 'string',
-        'calendar_type' => 'string',
-        'period_start_date' => '\DateTime',
-        'period_end_date' => '\DateTime',
-        'payment_date' => '\DateTime',
-        'updated_date_utc' => '\DateTime'
+        'payroll_calendar_id' => 'string''name' => 'string''calendar_type' => 'string''period_start_date' => '\DateTime''period_end_date' => '\DateTime''payment_date' => '\DateTime''updated_date_utc' => '\DateTime'
     ];
 
     /**
@@ -71,13 +67,7 @@ class PayRunCalendar implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'payroll_calendar_id' => 'uuid',
-        'name' => null,
-        'calendar_type' => null,
-        'period_start_date' => 'date',
-        'period_end_date' => 'date',
-        'payment_date' => 'date',
-        'updated_date_utc' => 'date-time'
+        'payroll_calendar_id' => 'uuid''name' => null'calendar_type' => null'period_start_date' => 'date''period_end_date' => 'date''payment_date' => 'date''updated_date_utc' => 'date-time'
     ];
 
     /**
@@ -107,13 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'payroll_calendar_id' => 'payrollCalendarID',
-        'name' => 'name',
-        'calendar_type' => 'calendarType',
-        'period_start_date' => 'periodStartDate',
-        'period_end_date' => 'periodEndDate',
-        'payment_date' => 'paymentDate',
-        'updated_date_utc' => 'updatedDateUTC'
+        'payroll_calendar_id' => 'payrollCalendarID''name' => 'name''calendar_type' => 'calendarType''period_start_date' => 'periodStartDate''period_end_date' => 'periodEndDate''payment_date' => 'paymentDate''updated_date_utc' => 'updatedDateUTC'
     ];
 
     /**
@@ -122,13 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'payroll_calendar_id' => 'setPayrollCalendarId',
-        'name' => 'setName',
-        'calendar_type' => 'setCalendarType',
-        'period_start_date' => 'setPeriodStartDate',
-        'period_end_date' => 'setPeriodEndDate',
-        'payment_date' => 'setPaymentDate',
-        'updated_date_utc' => 'setUpdatedDateUtc'
+        'payroll_calendar_id' => 'setPayrollCalendarId''name' => 'setName''calendar_type' => 'setCalendarType''period_start_date' => 'setPeriodStartDate''period_end_date' => 'setPeriodEndDate''payment_date' => 'setPaymentDate''updated_date_utc' => 'setUpdatedDateUtc'
     ];
 
     /**
@@ -137,13 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'payroll_calendar_id' => 'getPayrollCalendarId',
-        'name' => 'getName',
-        'calendar_type' => 'getCalendarType',
-        'period_start_date' => 'getPeriodStartDate',
-        'period_end_date' => 'getPeriodEndDate',
-        'payment_date' => 'getPaymentDate',
-        'updated_date_utc' => 'getUpdatedDateUtc'
+        'payroll_calendar_id' => 'getPayrollCalendarId''name' => 'getName''calendar_type' => 'getCalendarType''period_start_date' => 'getPeriodStartDate''period_end_date' => 'getPeriodEndDate''payment_date' => 'getPaymentDate''updated_date_utc' => 'getUpdatedDateUtc'
     ];
 
     /**
@@ -486,6 +458,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -498,6 +471,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -511,6 +485,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -527,6 +502,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PayRunCalendarObject.php b/lib/Models/PayrollUk/PayRunCalendarObject.php
index c29b9c8d..8a6fd1eb 100644
--- a/lib/Models/PayrollUk/PayRunCalendarObject.php
+++ b/lib/Models/PayrollUk/PayRunCalendarObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PayRunCalendarObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class PayRunCalendarObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'pay_run_calendar' => '\XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendar'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''pay_run_calendar' => '\XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendar'
     ];
 
     /**
@@ -67,9 +67,7 @@ class PayRunCalendarObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'pay_run_calendar' => null
+        'pagination' => null'problem' => null'pay_run_calendar' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'pay_run_calendar' => 'payRunCalendar'
+        'pagination' => 'pagination''problem' => 'problem''pay_run_calendar' => 'payRunCalendar'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'pay_run_calendar' => 'setPayRunCalendar'
+        'pagination' => 'setPagination''problem' => 'setProblem''pay_run_calendar' => 'setPayRunCalendar'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'pay_run_calendar' => 'getPayRunCalendar'
+        'pagination' => 'getPagination''problem' => 'getProblem''pay_run_calendar' => 'getPayRunCalendar'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setPayRunCalendar($pay_run_calendar)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PayRunCalendars.php b/lib/Models/PayrollUk/PayRunCalendars.php
index 21b46d5e..795db131 100644
--- a/lib/Models/PayrollUk/PayRunCalendars.php
+++ b/lib/Models/PayrollUk/PayRunCalendars.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PayRunCalendars Class Doc Comment
  *
@@ -56,9 +58,7 @@ class PayRunCalendars implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'pay_run_calendars' => '\XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendar[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''pay_run_calendars' => '\XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendar[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class PayRunCalendars implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'pay_run_calendars' => null
+        'pagination' => null'problem' => null'pay_run_calendars' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'pay_run_calendars' => 'payRunCalendars'
+        'pagination' => 'pagination''problem' => 'problem''pay_run_calendars' => 'payRunCalendars'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'pay_run_calendars' => 'setPayRunCalendars'
+        'pagination' => 'setPagination''problem' => 'setProblem''pay_run_calendars' => 'setPayRunCalendars'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'pay_run_calendars' => 'getPayRunCalendars'
+        'pagination' => 'getPagination''problem' => 'getProblem''pay_run_calendars' => 'getPayRunCalendars'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setPayRunCalendars($pay_run_calendars)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PayRunObject.php b/lib/Models/PayrollUk/PayRunObject.php
index aaf32f7a..cb07bee9 100644
--- a/lib/Models/PayrollUk/PayRunObject.php
+++ b/lib/Models/PayrollUk/PayRunObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PayRunObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class PayRunObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'pay_run' => '\XeroAPI\XeroPHP\Models\PayrollUk\PayRun'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''pay_run' => '\XeroAPI\XeroPHP\Models\PayrollUk\PayRun'
     ];
 
     /**
@@ -67,9 +67,7 @@ class PayRunObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'pay_run' => null
+        'pagination' => null'problem' => null'pay_run' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'pay_run' => 'payRun'
+        'pagination' => 'pagination''problem' => 'problem''pay_run' => 'payRun'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'pay_run' => 'setPayRun'
+        'pagination' => 'setPagination''problem' => 'setProblem''pay_run' => 'setPayRun'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'pay_run' => 'getPayRun'
+        'pagination' => 'getPagination''problem' => 'getProblem''pay_run' => 'getPayRun'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setPayRun($pay_run)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PayRuns.php b/lib/Models/PayrollUk/PayRuns.php
index 79f33d0d..1fb17403 100644
--- a/lib/Models/PayrollUk/PayRuns.php
+++ b/lib/Models/PayrollUk/PayRuns.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PayRuns Class Doc Comment
  *
@@ -56,9 +58,7 @@ class PayRuns implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'pay_runs' => '\XeroAPI\XeroPHP\Models\PayrollUk\PayRun[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''pay_runs' => '\XeroAPI\XeroPHP\Models\PayrollUk\PayRun[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class PayRuns implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'pay_runs' => null
+        'pagination' => null'problem' => null'pay_runs' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'pay_runs' => 'payRuns'
+        'pagination' => 'pagination''problem' => 'problem''pay_runs' => 'payRuns'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'pay_runs' => 'setPayRuns'
+        'pagination' => 'setPagination''problem' => 'setProblem''pay_runs' => 'setPayRuns'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'pay_runs' => 'getPayRuns'
+        'pagination' => 'getPagination''problem' => 'getProblem''pay_runs' => 'getPayRuns'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setPayRuns($pay_runs)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PaymentLine.php b/lib/Models/PayrollUk/PaymentLine.php
index f4261743..72878c51 100644
--- a/lib/Models/PayrollUk/PaymentLine.php
+++ b/lib/Models/PayrollUk/PaymentLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PaymentLine Class Doc Comment
  *
@@ -56,11 +58,7 @@ class PaymentLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'payment_line_id' => 'string',
-        'amount' => 'double',
-        'account_number' => 'string',
-        'sort_code' => 'string',
-        'account_name' => 'string'
+        'payment_line_id' => 'string''amount' => 'double''account_number' => 'string''sort_code' => 'string''account_name' => 'string'
     ];
 
     /**
@@ -69,11 +67,7 @@ class PaymentLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'payment_line_id' => 'uuid',
-        'amount' => 'double',
-        'account_number' => null,
-        'sort_code' => null,
-        'account_name' => null
+        'payment_line_id' => 'uuid''amount' => 'double''account_number' => null'sort_code' => null'account_name' => null
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'payment_line_id' => 'paymentLineID',
-        'amount' => 'amount',
-        'account_number' => 'accountNumber',
-        'sort_code' => 'sortCode',
-        'account_name' => 'accountName'
+        'payment_line_id' => 'paymentLineID''amount' => 'amount''account_number' => 'accountNumber''sort_code' => 'sortCode''account_name' => 'accountName'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'payment_line_id' => 'setPaymentLineId',
-        'amount' => 'setAmount',
-        'account_number' => 'setAccountNumber',
-        'sort_code' => 'setSortCode',
-        'account_name' => 'setAccountName'
+        'payment_line_id' => 'setPaymentLineId''amount' => 'setAmount''account_number' => 'setAccountNumber''sort_code' => 'setSortCode''account_name' => 'setAccountName'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'payment_line_id' => 'getPaymentLineId',
-        'amount' => 'getAmount',
-        'account_number' => 'getAccountNumber',
-        'sort_code' => 'getSortCode',
-        'account_name' => 'getAccountName'
+        'payment_line_id' => 'getPaymentLineId''amount' => 'getAmount''account_number' => 'getAccountNumber''sort_code' => 'getSortCode''account_name' => 'getAccountName'
     ];
 
     /**
@@ -368,6 +350,7 @@ public function setAccountName($account_name)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -380,6 +363,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -393,6 +377,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -409,6 +394,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PaymentMethod.php b/lib/Models/PayrollUk/PaymentMethod.php
index 4fc83477..1ff89731 100644
--- a/lib/Models/PayrollUk/PaymentMethod.php
+++ b/lib/Models/PayrollUk/PaymentMethod.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PaymentMethod Class Doc Comment
  *
@@ -56,8 +58,7 @@ class PaymentMethod implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'payment_method' => 'string',
-        'bank_accounts' => '\XeroAPI\XeroPHP\Models\PayrollUk\BankAccount[]'
+        'payment_method' => 'string''bank_accounts' => '\XeroAPI\XeroPHP\Models\PayrollUk\BankAccount[]'
     ];
 
     /**
@@ -66,8 +67,7 @@ class PaymentMethod implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'payment_method' => null,
-        'bank_accounts' => null
+        'payment_method' => null'bank_accounts' => null
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'payment_method' => 'paymentMethod',
-        'bank_accounts' => 'bankAccounts'
+        'payment_method' => 'paymentMethod''bank_accounts' => 'bankAccounts'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'payment_method' => 'setPaymentMethod',
-        'bank_accounts' => 'setBankAccounts'
+        'payment_method' => 'setPaymentMethod''bank_accounts' => 'setBankAccounts'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'payment_method' => 'getPaymentMethod',
-        'bank_accounts' => 'getBankAccounts'
+        'payment_method' => 'getPaymentMethod''bank_accounts' => 'getBankAccounts'
     ];
 
     /**
@@ -306,6 +303,7 @@ public function setBankAccounts($bank_accounts)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -318,6 +316,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,6 +330,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -347,6 +347,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PaymentMethodObject.php b/lib/Models/PayrollUk/PaymentMethodObject.php
index 7f488e9d..db34c94a 100644
--- a/lib/Models/PayrollUk/PaymentMethodObject.php
+++ b/lib/Models/PayrollUk/PaymentMethodObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PaymentMethodObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class PaymentMethodObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'payment_method' => '\XeroAPI\XeroPHP\Models\PayrollUk\PaymentMethod'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''payment_method' => '\XeroAPI\XeroPHP\Models\PayrollUk\PaymentMethod'
     ];
 
     /**
@@ -67,9 +67,7 @@ class PaymentMethodObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'payment_method' => null
+        'pagination' => null'problem' => null'payment_method' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'payment_method' => 'paymentMethod'
+        'pagination' => 'pagination''problem' => 'problem''payment_method' => 'paymentMethod'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'payment_method' => 'setPaymentMethod'
+        'pagination' => 'setPagination''problem' => 'setProblem''payment_method' => 'setPaymentMethod'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'payment_method' => 'getPaymentMethod'
+        'pagination' => 'getPagination''problem' => 'getProblem''payment_method' => 'getPaymentMethod'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setPaymentMethod($payment_method)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Payslip.php b/lib/Models/PayrollUk/Payslip.php
index 63657668..41aeb02d 100644
--- a/lib/Models/PayrollUk/Payslip.php
+++ b/lib/Models/PayrollUk/Payslip.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Payslip Class Doc Comment
  *
@@ -56,34 +58,7 @@ class Payslip implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pay_slip_id' => 'string',
-        'employee_id' => 'string',
-        'pay_run_id' => 'string',
-        'last_edited' => '\DateTime',
-        'first_name' => 'string',
-        'last_name' => 'string',
-        'total_earnings' => 'double',
-        'gross_earnings' => 'double',
-        'total_pay' => 'double',
-        'total_employer_taxes' => 'double',
-        'total_employee_taxes' => 'double',
-        'total_deductions' => 'double',
-        'total_reimbursements' => 'double',
-        'total_court_orders' => 'double',
-        'total_benefits' => 'double',
-        'bacs_hash' => 'string',
-        'payment_method' => 'string',
-        'earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsLine[]',
-        'leave_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\LeaveEarningsLine[]',
-        'timesheet_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetEarningsLine[]',
-        'deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\DeductionLine[]',
-        'reimbursement_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\ReimbursementLine[]',
-        'leave_accrual_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\LeaveAccrualLine[]',
-        'benefit_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\BenefitLine[]',
-        'payment_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\PaymentLine[]',
-        'employee_tax_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\TaxLine[]',
-        'employer_tax_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\TaxLine[]',
-        'court_order_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\CourtOrderLine[]'
+        'pay_slip_id' => 'string''employee_id' => 'string''pay_run_id' => 'string''last_edited' => '\DateTime''first_name' => 'string''last_name' => 'string''total_earnings' => 'double''gross_earnings' => 'double''total_pay' => 'double''total_employer_taxes' => 'double''total_employee_taxes' => 'double''total_deductions' => 'double''total_reimbursements' => 'double''total_court_orders' => 'double''total_benefits' => 'double''bacs_hash' => 'string''payment_method' => 'string''earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsLine[]''leave_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\LeaveEarningsLine[]''timesheet_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetEarningsLine[]''deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\DeductionLine[]''reimbursement_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\ReimbursementLine[]''leave_accrual_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\LeaveAccrualLine[]''benefit_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\BenefitLine[]''payment_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\PaymentLine[]''employee_tax_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\TaxLine[]''employer_tax_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\TaxLine[]''court_order_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\CourtOrderLine[]'
     ];
 
     /**
@@ -92,34 +67,7 @@ class Payslip implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pay_slip_id' => 'uuid',
-        'employee_id' => 'uuid',
-        'pay_run_id' => 'uuid',
-        'last_edited' => 'date',
-        'first_name' => null,
-        'last_name' => null,
-        'total_earnings' => 'double',
-        'gross_earnings' => 'double',
-        'total_pay' => 'double',
-        'total_employer_taxes' => 'double',
-        'total_employee_taxes' => 'double',
-        'total_deductions' => 'double',
-        'total_reimbursements' => 'double',
-        'total_court_orders' => 'double',
-        'total_benefits' => 'double',
-        'bacs_hash' => null,
-        'payment_method' => null,
-        'earnings_lines' => null,
-        'leave_earnings_lines' => null,
-        'timesheet_earnings_lines' => null,
-        'deduction_lines' => null,
-        'reimbursement_lines' => null,
-        'leave_accrual_lines' => null,
-        'benefit_lines' => null,
-        'payment_lines' => null,
-        'employee_tax_lines' => null,
-        'employer_tax_lines' => null,
-        'court_order_lines' => null
+        'pay_slip_id' => 'uuid''employee_id' => 'uuid''pay_run_id' => 'uuid''last_edited' => 'date''first_name' => null'last_name' => null'total_earnings' => 'double''gross_earnings' => 'double''total_pay' => 'double''total_employer_taxes' => 'double''total_employee_taxes' => 'double''total_deductions' => 'double''total_reimbursements' => 'double''total_court_orders' => 'double''total_benefits' => 'double''bacs_hash' => null'payment_method' => null'earnings_lines' => null'leave_earnings_lines' => null'timesheet_earnings_lines' => null'deduction_lines' => null'reimbursement_lines' => null'leave_accrual_lines' => null'benefit_lines' => null'payment_lines' => null'employee_tax_lines' => null'employer_tax_lines' => null'court_order_lines' => null
     ];
 
     /**
@@ -149,34 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pay_slip_id' => 'paySlipID',
-        'employee_id' => 'employeeID',
-        'pay_run_id' => 'payRunID',
-        'last_edited' => 'lastEdited',
-        'first_name' => 'firstName',
-        'last_name' => 'lastName',
-        'total_earnings' => 'totalEarnings',
-        'gross_earnings' => 'grossEarnings',
-        'total_pay' => 'totalPay',
-        'total_employer_taxes' => 'totalEmployerTaxes',
-        'total_employee_taxes' => 'totalEmployeeTaxes',
-        'total_deductions' => 'totalDeductions',
-        'total_reimbursements' => 'totalReimbursements',
-        'total_court_orders' => 'totalCourtOrders',
-        'total_benefits' => 'totalBenefits',
-        'bacs_hash' => 'bacsHash',
-        'payment_method' => 'paymentMethod',
-        'earnings_lines' => 'earningsLines',
-        'leave_earnings_lines' => 'leaveEarningsLines',
-        'timesheet_earnings_lines' => 'timesheetEarningsLines',
-        'deduction_lines' => 'deductionLines',
-        'reimbursement_lines' => 'reimbursementLines',
-        'leave_accrual_lines' => 'leaveAccrualLines',
-        'benefit_lines' => 'benefitLines',
-        'payment_lines' => 'paymentLines',
-        'employee_tax_lines' => 'employeeTaxLines',
-        'employer_tax_lines' => 'employerTaxLines',
-        'court_order_lines' => 'courtOrderLines'
+        'pay_slip_id' => 'paySlipID''employee_id' => 'employeeID''pay_run_id' => 'payRunID''last_edited' => 'lastEdited''first_name' => 'firstName''last_name' => 'lastName''total_earnings' => 'totalEarnings''gross_earnings' => 'grossEarnings''total_pay' => 'totalPay''total_employer_taxes' => 'totalEmployerTaxes''total_employee_taxes' => 'totalEmployeeTaxes''total_deductions' => 'totalDeductions''total_reimbursements' => 'totalReimbursements''total_court_orders' => 'totalCourtOrders''total_benefits' => 'totalBenefits''bacs_hash' => 'bacsHash''payment_method' => 'paymentMethod''earnings_lines' => 'earningsLines''leave_earnings_lines' => 'leaveEarningsLines''timesheet_earnings_lines' => 'timesheetEarningsLines''deduction_lines' => 'deductionLines''reimbursement_lines' => 'reimbursementLines''leave_accrual_lines' => 'leaveAccrualLines''benefit_lines' => 'benefitLines''payment_lines' => 'paymentLines''employee_tax_lines' => 'employeeTaxLines''employer_tax_lines' => 'employerTaxLines''court_order_lines' => 'courtOrderLines'
     ];
 
     /**
@@ -185,34 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pay_slip_id' => 'setPaySlipId',
-        'employee_id' => 'setEmployeeId',
-        'pay_run_id' => 'setPayRunId',
-        'last_edited' => 'setLastEdited',
-        'first_name' => 'setFirstName',
-        'last_name' => 'setLastName',
-        'total_earnings' => 'setTotalEarnings',
-        'gross_earnings' => 'setGrossEarnings',
-        'total_pay' => 'setTotalPay',
-        'total_employer_taxes' => 'setTotalEmployerTaxes',
-        'total_employee_taxes' => 'setTotalEmployeeTaxes',
-        'total_deductions' => 'setTotalDeductions',
-        'total_reimbursements' => 'setTotalReimbursements',
-        'total_court_orders' => 'setTotalCourtOrders',
-        'total_benefits' => 'setTotalBenefits',
-        'bacs_hash' => 'setBacsHash',
-        'payment_method' => 'setPaymentMethod',
-        'earnings_lines' => 'setEarningsLines',
-        'leave_earnings_lines' => 'setLeaveEarningsLines',
-        'timesheet_earnings_lines' => 'setTimesheetEarningsLines',
-        'deduction_lines' => 'setDeductionLines',
-        'reimbursement_lines' => 'setReimbursementLines',
-        'leave_accrual_lines' => 'setLeaveAccrualLines',
-        'benefit_lines' => 'setBenefitLines',
-        'payment_lines' => 'setPaymentLines',
-        'employee_tax_lines' => 'setEmployeeTaxLines',
-        'employer_tax_lines' => 'setEmployerTaxLines',
-        'court_order_lines' => 'setCourtOrderLines'
+        'pay_slip_id' => 'setPaySlipId''employee_id' => 'setEmployeeId''pay_run_id' => 'setPayRunId''last_edited' => 'setLastEdited''first_name' => 'setFirstName''last_name' => 'setLastName''total_earnings' => 'setTotalEarnings''gross_earnings' => 'setGrossEarnings''total_pay' => 'setTotalPay''total_employer_taxes' => 'setTotalEmployerTaxes''total_employee_taxes' => 'setTotalEmployeeTaxes''total_deductions' => 'setTotalDeductions''total_reimbursements' => 'setTotalReimbursements''total_court_orders' => 'setTotalCourtOrders''total_benefits' => 'setTotalBenefits''bacs_hash' => 'setBacsHash''payment_method' => 'setPaymentMethod''earnings_lines' => 'setEarningsLines''leave_earnings_lines' => 'setLeaveEarningsLines''timesheet_earnings_lines' => 'setTimesheetEarningsLines''deduction_lines' => 'setDeductionLines''reimbursement_lines' => 'setReimbursementLines''leave_accrual_lines' => 'setLeaveAccrualLines''benefit_lines' => 'setBenefitLines''payment_lines' => 'setPaymentLines''employee_tax_lines' => 'setEmployeeTaxLines''employer_tax_lines' => 'setEmployerTaxLines''court_order_lines' => 'setCourtOrderLines'
     ];
 
     /**
@@ -221,34 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pay_slip_id' => 'getPaySlipId',
-        'employee_id' => 'getEmployeeId',
-        'pay_run_id' => 'getPayRunId',
-        'last_edited' => 'getLastEdited',
-        'first_name' => 'getFirstName',
-        'last_name' => 'getLastName',
-        'total_earnings' => 'getTotalEarnings',
-        'gross_earnings' => 'getGrossEarnings',
-        'total_pay' => 'getTotalPay',
-        'total_employer_taxes' => 'getTotalEmployerTaxes',
-        'total_employee_taxes' => 'getTotalEmployeeTaxes',
-        'total_deductions' => 'getTotalDeductions',
-        'total_reimbursements' => 'getTotalReimbursements',
-        'total_court_orders' => 'getTotalCourtOrders',
-        'total_benefits' => 'getTotalBenefits',
-        'bacs_hash' => 'getBacsHash',
-        'payment_method' => 'getPaymentMethod',
-        'earnings_lines' => 'getEarningsLines',
-        'leave_earnings_lines' => 'getLeaveEarningsLines',
-        'timesheet_earnings_lines' => 'getTimesheetEarningsLines',
-        'deduction_lines' => 'getDeductionLines',
-        'reimbursement_lines' => 'getReimbursementLines',
-        'leave_accrual_lines' => 'getLeaveAccrualLines',
-        'benefit_lines' => 'getBenefitLines',
-        'payment_lines' => 'getPaymentLines',
-        'employee_tax_lines' => 'getEmployeeTaxLines',
-        'employer_tax_lines' => 'getEmployerTaxLines',
-        'court_order_lines' => 'getCourtOrderLines'
+        'pay_slip_id' => 'getPaySlipId''employee_id' => 'getEmployeeId''pay_run_id' => 'getPayRunId''last_edited' => 'getLastEdited''first_name' => 'getFirstName''last_name' => 'getLastName''total_earnings' => 'getTotalEarnings''gross_earnings' => 'getGrossEarnings''total_pay' => 'getTotalPay''total_employer_taxes' => 'getTotalEmployerTaxes''total_employee_taxes' => 'getTotalEmployeeTaxes''total_deductions' => 'getTotalDeductions''total_reimbursements' => 'getTotalReimbursements''total_court_orders' => 'getTotalCourtOrders''total_benefits' => 'getTotalBenefits''bacs_hash' => 'getBacsHash''payment_method' => 'getPaymentMethod''earnings_lines' => 'getEarningsLines''leave_earnings_lines' => 'getLeaveEarningsLines''timesheet_earnings_lines' => 'getTimesheetEarningsLines''deduction_lines' => 'getDeductionLines''reimbursement_lines' => 'getReimbursementLines''leave_accrual_lines' => 'getLeaveAccrualLines''benefit_lines' => 'getBenefitLines''payment_lines' => 'getPaymentLines''employee_tax_lines' => 'getEmployeeTaxLines''employer_tax_lines' => 'getEmployerTaxLines''court_order_lines' => 'getCourtOrderLines'
     ];
 
     /**
@@ -1161,6 +1028,7 @@ public function setCourtOrderLines($court_order_lines)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1173,6 +1041,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1186,6 +1055,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1202,6 +1072,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PayslipObject.php b/lib/Models/PayrollUk/PayslipObject.php
index dee1e481..25ce76ed 100644
--- a/lib/Models/PayrollUk/PayslipObject.php
+++ b/lib/Models/PayrollUk/PayslipObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * PayslipObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class PayslipObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'pay_slip' => '\XeroAPI\XeroPHP\Models\PayrollUk\Payslip'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''pay_slip' => '\XeroAPI\XeroPHP\Models\PayrollUk\Payslip'
     ];
 
     /**
@@ -67,9 +67,7 @@ class PayslipObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'pay_slip' => null
+        'pagination' => null'problem' => null'pay_slip' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'pay_slip' => 'paySlip'
+        'pagination' => 'pagination''problem' => 'problem''pay_slip' => 'paySlip'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'pay_slip' => 'setPaySlip'
+        'pagination' => 'setPagination''problem' => 'setProblem''pay_slip' => 'setPaySlip'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'pay_slip' => 'getPaySlip'
+        'pagination' => 'getPagination''problem' => 'getProblem''pay_slip' => 'getPaySlip'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setPaySlip($pay_slip)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Payslips.php b/lib/Models/PayrollUk/Payslips.php
index facdf25c..b67c8437 100644
--- a/lib/Models/PayrollUk/Payslips.php
+++ b/lib/Models/PayrollUk/Payslips.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Payslips Class Doc Comment
  *
@@ -56,9 +58,7 @@ class Payslips implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'pay_slips' => '\XeroAPI\XeroPHP\Models\PayrollUk\Payslip[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''pay_slips' => '\XeroAPI\XeroPHP\Models\PayrollUk\Payslip[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class Payslips implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'pay_slips' => null
+        'pagination' => null'problem' => null'pay_slips' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'pay_slips' => 'paySlips'
+        'pagination' => 'pagination''problem' => 'problem''pay_slips' => 'paySlips'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'pay_slips' => 'setPaySlips'
+        'pagination' => 'setPagination''problem' => 'setProblem''pay_slips' => 'setPaySlips'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'pay_slips' => 'getPaySlips'
+        'pagination' => 'getPagination''problem' => 'getProblem''pay_slips' => 'getPaySlips'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setPaySlips($pay_slips)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Problem.php b/lib/Models/PayrollUk/Problem.php
index 4fb699cb..5fc0d110 100644
--- a/lib/Models/PayrollUk/Problem.php
+++ b/lib/Models/PayrollUk/Problem.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Problem Class Doc Comment
  *
@@ -57,12 +59,7 @@ class Problem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'type' => 'string',
-        'title' => 'string',
-        'status' => 'string',
-        'detail' => 'string',
-        'instance' => 'string',
-        'invalid_fields' => '\XeroAPI\XeroPHP\Models\PayrollUk\InvalidField[]'
+        'type' => 'string''title' => 'string''status' => 'string''detail' => 'string''instance' => 'string''invalid_fields' => '\XeroAPI\XeroPHP\Models\PayrollUk\InvalidField[]'
     ];
 
     /**
@@ -71,12 +68,7 @@ class Problem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'type' => null,
-        'title' => null,
-        'status' => null,
-        'detail' => null,
-        'instance' => null,
-        'invalid_fields' => null
+        'type' => null'title' => null'status' => null'detail' => null'instance' => null'invalid_fields' => null
     ];
 
     /**
@@ -106,12 +98,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'type' => 'type',
-        'title' => 'title',
-        'status' => 'status',
-        'detail' => 'detail',
-        'instance' => 'instance',
-        'invalid_fields' => 'invalidFields'
+        'type' => 'type''title' => 'title''status' => 'status''detail' => 'detail''instance' => 'instance''invalid_fields' => 'invalidFields'
     ];
 
     /**
@@ -120,12 +107,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'type' => 'setType',
-        'title' => 'setTitle',
-        'status' => 'setStatus',
-        'detail' => 'setDetail',
-        'instance' => 'setInstance',
-        'invalid_fields' => 'setInvalidFields'
+        'type' => 'setType''title' => 'setTitle''status' => 'setStatus''detail' => 'setDetail''instance' => 'setInstance''invalid_fields' => 'setInvalidFields'
     ];
 
     /**
@@ -134,12 +116,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'type' => 'getType',
-        'title' => 'getTitle',
-        'status' => 'getStatus',
-        'detail' => 'getDetail',
-        'instance' => 'getInstance',
-        'invalid_fields' => 'getInvalidFields'
+        'type' => 'getType''title' => 'getTitle''status' => 'getStatus''detail' => 'getDetail''instance' => 'getInstance''invalid_fields' => 'getInvalidFields'
     ];
 
     /**
@@ -402,6 +379,7 @@ public function setInvalidFields($invalid_fields)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -414,6 +392,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -427,6 +406,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -443,6 +423,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Reimbursement.php b/lib/Models/PayrollUk/Reimbursement.php
index 8448f184..20193a56 100644
--- a/lib/Models/PayrollUk/Reimbursement.php
+++ b/lib/Models/PayrollUk/Reimbursement.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Reimbursement Class Doc Comment
  *
@@ -56,10 +58,7 @@ class Reimbursement implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'reimbursement_id' => 'string',
-        'name' => 'string',
-        'account_id' => 'string',
-        'current_record' => 'bool'
+        'reimbursement_id' => 'string''name' => 'string''account_id' => 'string''current_record' => 'bool'
     ];
 
     /**
@@ -68,10 +67,7 @@ class Reimbursement implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'reimbursement_id' => 'uuid',
-        'name' => null,
-        'account_id' => 'uuid',
-        'current_record' => null
+        'reimbursement_id' => 'uuid''name' => null'account_id' => 'uuid''current_record' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'reimbursement_id' => 'reimbursementID',
-        'name' => 'name',
-        'account_id' => 'accountID',
-        'current_record' => 'currentRecord'
+        'reimbursement_id' => 'reimbursementID''name' => 'name''account_id' => 'accountID''current_record' => 'currentRecord'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'reimbursement_id' => 'setReimbursementId',
-        'name' => 'setName',
-        'account_id' => 'setAccountId',
-        'current_record' => 'setCurrentRecord'
+        'reimbursement_id' => 'setReimbursementId''name' => 'setName''account_id' => 'setAccountId''current_record' => 'setCurrentRecord'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'reimbursement_id' => 'getReimbursementId',
-        'name' => 'getName',
-        'account_id' => 'getAccountId',
-        'current_record' => 'getCurrentRecord'
+        'reimbursement_id' => 'getReimbursementId''name' => 'getName''account_id' => 'getAccountId''current_record' => 'getCurrentRecord'
     ];
 
     /**
@@ -341,6 +328,7 @@ public function setCurrentRecord($current_record)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -353,6 +341,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -366,6 +355,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -382,6 +372,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/ReimbursementLine.php b/lib/Models/PayrollUk/ReimbursementLine.php
index ab22c512..0e294f17 100644
--- a/lib/Models/PayrollUk/ReimbursementLine.php
+++ b/lib/Models/PayrollUk/ReimbursementLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ReimbursementLine Class Doc Comment
  *
@@ -56,9 +58,7 @@ class ReimbursementLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'reimbursement_type_id' => 'string',
-        'description' => 'string',
-        'amount' => 'double'
+        'reimbursement_type_id' => 'string''description' => 'string''amount' => 'double'
     ];
 
     /**
@@ -67,9 +67,7 @@ class ReimbursementLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'reimbursement_type_id' => 'uuid',
-        'description' => null,
-        'amount' => 'double'
+        'reimbursement_type_id' => 'uuid''description' => null'amount' => 'double'
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'reimbursement_type_id' => 'reimbursementTypeID',
-        'description' => 'description',
-        'amount' => 'amount'
+        'reimbursement_type_id' => 'reimbursementTypeID''description' => 'description''amount' => 'amount'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'reimbursement_type_id' => 'setReimbursementTypeId',
-        'description' => 'setDescription',
-        'amount' => 'setAmount'
+        'reimbursement_type_id' => 'setReimbursementTypeId''description' => 'setDescription''amount' => 'setAmount'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'reimbursement_type_id' => 'getReimbursementTypeId',
-        'description' => 'getDescription',
-        'amount' => 'getAmount'
+        'reimbursement_type_id' => 'getReimbursementTypeId''description' => 'getDescription''amount' => 'getAmount'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setAmount($amount)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/ReimbursementObject.php b/lib/Models/PayrollUk/ReimbursementObject.php
index e4a6a4f1..85d72a19 100644
--- a/lib/Models/PayrollUk/ReimbursementObject.php
+++ b/lib/Models/PayrollUk/ReimbursementObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ReimbursementObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class ReimbursementObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'reimbursement' => '\XeroAPI\XeroPHP\Models\PayrollUk\Reimbursement'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''reimbursement' => '\XeroAPI\XeroPHP\Models\PayrollUk\Reimbursement'
     ];
 
     /**
@@ -67,9 +67,7 @@ class ReimbursementObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'reimbursement' => null
+        'pagination' => null'problem' => null'reimbursement' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'reimbursement' => 'reimbursement'
+        'pagination' => 'pagination''problem' => 'problem''reimbursement' => 'reimbursement'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'reimbursement' => 'setReimbursement'
+        'pagination' => 'setPagination''problem' => 'setProblem''reimbursement' => 'setReimbursement'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'reimbursement' => 'getReimbursement'
+        'pagination' => 'getPagination''problem' => 'getProblem''reimbursement' => 'getReimbursement'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setReimbursement($reimbursement)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Reimbursements.php b/lib/Models/PayrollUk/Reimbursements.php
index 82f09c1b..bd888050 100644
--- a/lib/Models/PayrollUk/Reimbursements.php
+++ b/lib/Models/PayrollUk/Reimbursements.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Reimbursements Class Doc Comment
  *
@@ -56,9 +58,7 @@ class Reimbursements implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'reimbursements' => '\XeroAPI\XeroPHP\Models\PayrollUk\Reimbursement[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''reimbursements' => '\XeroAPI\XeroPHP\Models\PayrollUk\Reimbursement[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class Reimbursements implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'reimbursements' => null
+        'pagination' => null'problem' => null'reimbursements' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'reimbursements' => 'reimbursements'
+        'pagination' => 'pagination''problem' => 'problem''reimbursements' => 'reimbursements'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'reimbursements' => 'setReimbursements'
+        'pagination' => 'setPagination''problem' => 'setProblem''reimbursements' => 'setReimbursements'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'reimbursements' => 'getReimbursements'
+        'pagination' => 'getPagination''problem' => 'getProblem''reimbursements' => 'getReimbursements'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setReimbursements($reimbursements)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/SalaryAndWage.php b/lib/Models/PayrollUk/SalaryAndWage.php
index 016986cf..5e961119 100644
--- a/lib/Models/PayrollUk/SalaryAndWage.php
+++ b/lib/Models/PayrollUk/SalaryAndWage.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * SalaryAndWage Class Doc Comment
  *
@@ -56,15 +58,7 @@ class SalaryAndWage implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'salary_and_wages_id' => 'string',
-        'earnings_rate_id' => 'string',
-        'number_of_units_per_week' => 'double',
-        'rate_per_unit' => 'double',
-        'number_of_units_per_day' => 'double',
-        'effective_from' => '\DateTime',
-        'annual_salary' => 'double',
-        'status' => 'string',
-        'payment_type' => 'string'
+        'salary_and_wages_id' => 'string''earnings_rate_id' => 'string''number_of_units_per_week' => 'double''rate_per_unit' => 'double''number_of_units_per_day' => 'double''effective_from' => '\DateTime''annual_salary' => 'double''status' => 'string''payment_type' => 'string'
     ];
 
     /**
@@ -73,15 +67,7 @@ class SalaryAndWage implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'salary_and_wages_id' => 'uuid',
-        'earnings_rate_id' => 'uuid',
-        'number_of_units_per_week' => 'double',
-        'rate_per_unit' => 'double',
-        'number_of_units_per_day' => 'double',
-        'effective_from' => 'date',
-        'annual_salary' => 'double',
-        'status' => null,
-        'payment_type' => null
+        'salary_and_wages_id' => 'uuid''earnings_rate_id' => 'uuid''number_of_units_per_week' => 'double''rate_per_unit' => 'double''number_of_units_per_day' => 'double''effective_from' => 'date''annual_salary' => 'double''status' => null'payment_type' => null
     ];
 
     /**
@@ -111,15 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'salary_and_wages_id' => 'salaryAndWagesID',
-        'earnings_rate_id' => 'earningsRateID',
-        'number_of_units_per_week' => 'numberOfUnitsPerWeek',
-        'rate_per_unit' => 'ratePerUnit',
-        'number_of_units_per_day' => 'numberOfUnitsPerDay',
-        'effective_from' => 'effectiveFrom',
-        'annual_salary' => 'annualSalary',
-        'status' => 'status',
-        'payment_type' => 'paymentType'
+        'salary_and_wages_id' => 'salaryAndWagesID''earnings_rate_id' => 'earningsRateID''number_of_units_per_week' => 'numberOfUnitsPerWeek''rate_per_unit' => 'ratePerUnit''number_of_units_per_day' => 'numberOfUnitsPerDay''effective_from' => 'effectiveFrom''annual_salary' => 'annualSalary''status' => 'status''payment_type' => 'paymentType'
     ];
 
     /**
@@ -128,15 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'salary_and_wages_id' => 'setSalaryAndWagesId',
-        'earnings_rate_id' => 'setEarningsRateId',
-        'number_of_units_per_week' => 'setNumberOfUnitsPerWeek',
-        'rate_per_unit' => 'setRatePerUnit',
-        'number_of_units_per_day' => 'setNumberOfUnitsPerDay',
-        'effective_from' => 'setEffectiveFrom',
-        'annual_salary' => 'setAnnualSalary',
-        'status' => 'setStatus',
-        'payment_type' => 'setPaymentType'
+        'salary_and_wages_id' => 'setSalaryAndWagesId''earnings_rate_id' => 'setEarningsRateId''number_of_units_per_week' => 'setNumberOfUnitsPerWeek''rate_per_unit' => 'setRatePerUnit''number_of_units_per_day' => 'setNumberOfUnitsPerDay''effective_from' => 'setEffectiveFrom''annual_salary' => 'setAnnualSalary''status' => 'setStatus''payment_type' => 'setPaymentType'
     ];
 
     /**
@@ -145,15 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'salary_and_wages_id' => 'getSalaryAndWagesId',
-        'earnings_rate_id' => 'getEarningsRateId',
-        'number_of_units_per_week' => 'getNumberOfUnitsPerWeek',
-        'rate_per_unit' => 'getRatePerUnit',
-        'number_of_units_per_day' => 'getNumberOfUnitsPerDay',
-        'effective_from' => 'getEffectiveFrom',
-        'annual_salary' => 'getAnnualSalary',
-        'status' => 'getStatus',
-        'payment_type' => 'getPaymentType'
+        'salary_and_wages_id' => 'getSalaryAndWagesId''earnings_rate_id' => 'getEarningsRateId''number_of_units_per_week' => 'getNumberOfUnitsPerWeek''rate_per_unit' => 'getRatePerUnit''number_of_units_per_day' => 'getNumberOfUnitsPerDay''effective_from' => 'getEffectiveFrom''annual_salary' => 'getAnnualSalary''status' => 'getStatus''payment_type' => 'getPaymentType'
     ];
 
     /**
@@ -584,6 +546,7 @@ public function setPaymentType($payment_type)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -596,6 +559,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -609,6 +573,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -625,6 +590,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/SalaryAndWageObject.php b/lib/Models/PayrollUk/SalaryAndWageObject.php
index 2c007a0f..89347677 100644
--- a/lib/Models/PayrollUk/SalaryAndWageObject.php
+++ b/lib/Models/PayrollUk/SalaryAndWageObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * SalaryAndWageObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class SalaryAndWageObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'salary_and_wages' => '\XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWage'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''salary_and_wages' => '\XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWage'
     ];
 
     /**
@@ -67,9 +67,7 @@ class SalaryAndWageObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'salary_and_wages' => null
+        'pagination' => null'problem' => null'salary_and_wages' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'salary_and_wages' => 'salaryAndWages'
+        'pagination' => 'pagination''problem' => 'problem''salary_and_wages' => 'salaryAndWages'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'salary_and_wages' => 'setSalaryAndWages'
+        'pagination' => 'setPagination''problem' => 'setProblem''salary_and_wages' => 'setSalaryAndWages'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'salary_and_wages' => 'getSalaryAndWages'
+        'pagination' => 'getPagination''problem' => 'getProblem''salary_and_wages' => 'getSalaryAndWages'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setSalaryAndWages($salary_and_wages)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/SalaryAndWages.php b/lib/Models/PayrollUk/SalaryAndWages.php
index 2e0f2eb3..c4e4c529 100644
--- a/lib/Models/PayrollUk/SalaryAndWages.php
+++ b/lib/Models/PayrollUk/SalaryAndWages.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * SalaryAndWages Class Doc Comment
  *
@@ -56,9 +58,7 @@ class SalaryAndWages implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'salary_and_wages' => '\XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWage[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''salary_and_wages' => '\XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWage[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class SalaryAndWages implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'salary_and_wages' => null
+        'pagination' => null'problem' => null'salary_and_wages' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'salary_and_wages' => 'salaryAndWages'
+        'pagination' => 'pagination''problem' => 'problem''salary_and_wages' => 'salaryAndWages'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'salary_and_wages' => 'setSalaryAndWages'
+        'pagination' => 'setPagination''problem' => 'setProblem''salary_and_wages' => 'setSalaryAndWages'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'salary_and_wages' => 'getSalaryAndWages'
+        'pagination' => 'getPagination''problem' => 'getProblem''salary_and_wages' => 'getSalaryAndWages'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setSalaryAndWages($salary_and_wages)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Settings.php b/lib/Models/PayrollUk/Settings.php
index a33e3d13..f776f881 100644
--- a/lib/Models/PayrollUk/Settings.php
+++ b/lib/Models/PayrollUk/Settings.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Settings Class Doc Comment
  *
@@ -56,9 +58,7 @@ class Settings implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'settings' => '\XeroAPI\XeroPHP\Models\PayrollUk\Accounts'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''settings' => '\XeroAPI\XeroPHP\Models\PayrollUk\Accounts'
     ];
 
     /**
@@ -67,9 +67,7 @@ class Settings implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'settings' => null
+        'pagination' => null'problem' => null'settings' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'settings' => 'settings'
+        'pagination' => 'pagination''problem' => 'problem''settings' => 'settings'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'settings' => 'setSettings'
+        'pagination' => 'setPagination''problem' => 'setProblem''settings' => 'setSettings'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'settings' => 'getSettings'
+        'pagination' => 'getPagination''problem' => 'getProblem''settings' => 'getSettings'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setSettings($settings)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/StatutoryDeduction.php b/lib/Models/PayrollUk/StatutoryDeduction.php
index 0cfbe96d..02593749 100644
--- a/lib/Models/PayrollUk/StatutoryDeduction.php
+++ b/lib/Models/PayrollUk/StatutoryDeduction.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * StatutoryDeduction Class Doc Comment
  *
@@ -56,11 +58,7 @@ class StatutoryDeduction implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'id' => 'string',
-        'name' => 'string',
-        'statutory_deduction_category' => '\XeroAPI\XeroPHP\Models\PayrollUk\StatutoryDeductionCategory',
-        'liability_account_id' => 'string',
-        'current_record' => 'bool'
+        'id' => 'string''name' => 'string''statutory_deduction_category' => '\XeroAPI\XeroPHP\Models\PayrollUk\StatutoryDeductionCategory''liability_account_id' => 'string''current_record' => 'bool'
     ];
 
     /**
@@ -69,11 +67,7 @@ class StatutoryDeduction implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'id' => 'uuid',
-        'name' => null,
-        'statutory_deduction_category' => null,
-        'liability_account_id' => 'uuid',
-        'current_record' => null
+        'id' => 'uuid''name' => null'statutory_deduction_category' => null'liability_account_id' => 'uuid''current_record' => null
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'id' => 'id',
-        'name' => 'name',
-        'statutory_deduction_category' => 'statutoryDeductionCategory',
-        'liability_account_id' => 'liabilityAccountId',
-        'current_record' => 'currentRecord'
+        'id' => 'id''name' => 'name''statutory_deduction_category' => 'statutoryDeductionCategory''liability_account_id' => 'liabilityAccountId''current_record' => 'currentRecord'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'id' => 'setId',
-        'name' => 'setName',
-        'statutory_deduction_category' => 'setStatutoryDeductionCategory',
-        'liability_account_id' => 'setLiabilityAccountId',
-        'current_record' => 'setCurrentRecord'
+        'id' => 'setId''name' => 'setName''statutory_deduction_category' => 'setStatutoryDeductionCategory''liability_account_id' => 'setLiabilityAccountId''current_record' => 'setCurrentRecord'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'id' => 'getId',
-        'name' => 'getName',
-        'statutory_deduction_category' => 'getStatutoryDeductionCategory',
-        'liability_account_id' => 'getLiabilityAccountId',
-        'current_record' => 'getCurrentRecord'
+        'id' => 'getId''name' => 'getName''statutory_deduction_category' => 'getStatutoryDeductionCategory''liability_account_id' => 'getLiabilityAccountId''current_record' => 'getCurrentRecord'
     ];
 
     /**
@@ -368,6 +350,7 @@ public function setCurrentRecord($current_record)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -380,6 +363,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -393,6 +377,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -409,6 +394,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/StatutoryDeductionCategory.php b/lib/Models/PayrollUk/StatutoryDeductionCategory.php
index 4695e85d..6cc966b9 100644
--- a/lib/Models/PayrollUk/StatutoryDeductionCategory.php
+++ b/lib/Models/PayrollUk/StatutoryDeductionCategory.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\PayrollUk;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * StatutoryDeductionCategory Class Doc Comment
  *
diff --git a/lib/Models/PayrollUk/TaxLine.php b/lib/Models/PayrollUk/TaxLine.php
index 4d335f59..07a320f8 100644
--- a/lib/Models/PayrollUk/TaxLine.php
+++ b/lib/Models/PayrollUk/TaxLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TaxLine Class Doc Comment
  *
@@ -56,12 +58,7 @@ class TaxLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'tax_line_id' => 'string',
-        'description' => 'string',
-        'is_employer_tax' => 'bool',
-        'amount' => 'double',
-        'global_tax_type_id' => 'string',
-        'manual_adjustment' => 'bool'
+        'tax_line_id' => 'string''description' => 'string''is_employer_tax' => 'bool''amount' => 'double''global_tax_type_id' => 'string''manual_adjustment' => 'bool'
     ];
 
     /**
@@ -70,12 +67,7 @@ class TaxLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'tax_line_id' => 'uuid',
-        'description' => null,
-        'is_employer_tax' => null,
-        'amount' => 'double',
-        'global_tax_type_id' => null,
-        'manual_adjustment' => null
+        'tax_line_id' => 'uuid''description' => null'is_employer_tax' => null'amount' => 'double''global_tax_type_id' => null'manual_adjustment' => null
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'tax_line_id' => 'taxLineID',
-        'description' => 'description',
-        'is_employer_tax' => 'isEmployerTax',
-        'amount' => 'amount',
-        'global_tax_type_id' => 'globalTaxTypeID',
-        'manual_adjustment' => 'manualAdjustment'
+        'tax_line_id' => 'taxLineID''description' => 'description''is_employer_tax' => 'isEmployerTax''amount' => 'amount''global_tax_type_id' => 'globalTaxTypeID''manual_adjustment' => 'manualAdjustment'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'tax_line_id' => 'setTaxLineId',
-        'description' => 'setDescription',
-        'is_employer_tax' => 'setIsEmployerTax',
-        'amount' => 'setAmount',
-        'global_tax_type_id' => 'setGlobalTaxTypeId',
-        'manual_adjustment' => 'setManualAdjustment'
+        'tax_line_id' => 'setTaxLineId''description' => 'setDescription''is_employer_tax' => 'setIsEmployerTax''amount' => 'setAmount''global_tax_type_id' => 'setGlobalTaxTypeId''manual_adjustment' => 'setManualAdjustment'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'tax_line_id' => 'getTaxLineId',
-        'description' => 'getDescription',
-        'is_employer_tax' => 'getIsEmployerTax',
-        'amount' => 'getAmount',
-        'global_tax_type_id' => 'getGlobalTaxTypeId',
-        'manual_adjustment' => 'getManualAdjustment'
+        'tax_line_id' => 'getTaxLineId''description' => 'getDescription''is_employer_tax' => 'getIsEmployerTax''amount' => 'getAmount''global_tax_type_id' => 'getGlobalTaxTypeId''manual_adjustment' => 'getManualAdjustment'
     ];
 
     /**
@@ -401,6 +378,7 @@ public function setManualAdjustment($manual_adjustment)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -413,6 +391,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -426,6 +405,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -442,6 +422,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Timesheet.php b/lib/Models/PayrollUk/Timesheet.php
index 9c2402da..84b639fa 100644
--- a/lib/Models/PayrollUk/Timesheet.php
+++ b/lib/Models/PayrollUk/Timesheet.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Timesheet Class Doc Comment
  *
@@ -56,15 +58,7 @@ class Timesheet implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'timesheet_id' => 'string',
-        'payroll_calendar_id' => 'string',
-        'employee_id' => 'string',
-        'start_date' => '\DateTime',
-        'end_date' => '\DateTime',
-        'status' => 'string',
-        'total_hours' => 'double',
-        'updated_date_utc' => '\DateTime',
-        'timesheet_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine[]'
+        'timesheet_id' => 'string''payroll_calendar_id' => 'string''employee_id' => 'string''start_date' => '\DateTime''end_date' => '\DateTime''status' => 'string''total_hours' => 'double''updated_date_utc' => '\DateTime''timesheet_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine[]'
     ];
 
     /**
@@ -73,15 +67,7 @@ class Timesheet implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'timesheet_id' => 'uuid',
-        'payroll_calendar_id' => 'uuid',
-        'employee_id' => 'uuid',
-        'start_date' => 'date',
-        'end_date' => 'date',
-        'status' => null,
-        'total_hours' => 'double',
-        'updated_date_utc' => 'date-time',
-        'timesheet_lines' => null
+        'timesheet_id' => 'uuid''payroll_calendar_id' => 'uuid''employee_id' => 'uuid''start_date' => 'date''end_date' => 'date''status' => null'total_hours' => 'double''updated_date_utc' => 'date-time''timesheet_lines' => null
     ];
 
     /**
@@ -111,15 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'timesheet_id' => 'timesheetID',
-        'payroll_calendar_id' => 'payrollCalendarID',
-        'employee_id' => 'employeeID',
-        'start_date' => 'startDate',
-        'end_date' => 'endDate',
-        'status' => 'status',
-        'total_hours' => 'totalHours',
-        'updated_date_utc' => 'updatedDateUTC',
-        'timesheet_lines' => 'timesheetLines'
+        'timesheet_id' => 'timesheetID''payroll_calendar_id' => 'payrollCalendarID''employee_id' => 'employeeID''start_date' => 'startDate''end_date' => 'endDate''status' => 'status''total_hours' => 'totalHours''updated_date_utc' => 'updatedDateUTC''timesheet_lines' => 'timesheetLines'
     ];
 
     /**
@@ -128,15 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'timesheet_id' => 'setTimesheetId',
-        'payroll_calendar_id' => 'setPayrollCalendarId',
-        'employee_id' => 'setEmployeeId',
-        'start_date' => 'setStartDate',
-        'end_date' => 'setEndDate',
-        'status' => 'setStatus',
-        'total_hours' => 'setTotalHours',
-        'updated_date_utc' => 'setUpdatedDateUtc',
-        'timesheet_lines' => 'setTimesheetLines'
+        'timesheet_id' => 'setTimesheetId''payroll_calendar_id' => 'setPayrollCalendarId''employee_id' => 'setEmployeeId''start_date' => 'setStartDate''end_date' => 'setEndDate''status' => 'setStatus''total_hours' => 'setTotalHours''updated_date_utc' => 'setUpdatedDateUtc''timesheet_lines' => 'setTimesheetLines'
     ];
 
     /**
@@ -145,15 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'timesheet_id' => 'getTimesheetId',
-        'payroll_calendar_id' => 'getPayrollCalendarId',
-        'employee_id' => 'getEmployeeId',
-        'start_date' => 'getStartDate',
-        'end_date' => 'getEndDate',
-        'status' => 'getStatus',
-        'total_hours' => 'getTotalHours',
-        'updated_date_utc' => 'getUpdatedDateUtc',
-        'timesheet_lines' => 'getTimesheetLines'
+        'timesheet_id' => 'getTimesheetId''payroll_calendar_id' => 'getPayrollCalendarId''employee_id' => 'getEmployeeId''start_date' => 'getStartDate''end_date' => 'getEndDate''status' => 'getStatus''total_hours' => 'getTotalHours''updated_date_utc' => 'getUpdatedDateUtc''timesheet_lines' => 'getTimesheetLines'
     ];
 
     /**
@@ -546,6 +508,7 @@ public function setTimesheetLines($timesheet_lines)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -558,6 +521,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -571,6 +535,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -587,6 +552,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/TimesheetEarningsLine.php b/lib/Models/PayrollUk/TimesheetEarningsLine.php
index b666922a..3d76cb46 100644
--- a/lib/Models/PayrollUk/TimesheetEarningsLine.php
+++ b/lib/Models/PayrollUk/TimesheetEarningsLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TimesheetEarningsLine Class Doc Comment
  *
@@ -56,12 +58,7 @@ class TimesheetEarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_rate_id' => 'string',
-        'rate_per_unit' => 'double',
-        'number_of_units' => 'double',
-        'fixed_amount' => 'double',
-        'amount' => 'double',
-        'is_linked_to_timesheet' => 'bool'
+        'earnings_rate_id' => 'string''rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''amount' => 'double''is_linked_to_timesheet' => 'bool'
     ];
 
     /**
@@ -70,12 +67,7 @@ class TimesheetEarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_rate_id' => 'uuid',
-        'rate_per_unit' => 'double',
-        'number_of_units' => 'double',
-        'fixed_amount' => 'double',
-        'amount' => 'double',
-        'is_linked_to_timesheet' => null
+        'earnings_rate_id' => 'uuid''rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''amount' => 'double''is_linked_to_timesheet' => null
     ];
 
     /**
@@ -105,12 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_rate_id' => 'earningsRateID',
-        'rate_per_unit' => 'ratePerUnit',
-        'number_of_units' => 'numberOfUnits',
-        'fixed_amount' => 'fixedAmount',
-        'amount' => 'amount',
-        'is_linked_to_timesheet' => 'isLinkedToTimesheet'
+        'earnings_rate_id' => 'earningsRateID''rate_per_unit' => 'ratePerUnit''number_of_units' => 'numberOfUnits''fixed_amount' => 'fixedAmount''amount' => 'amount''is_linked_to_timesheet' => 'isLinkedToTimesheet'
     ];
 
     /**
@@ -119,12 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_rate_id' => 'setEarningsRateId',
-        'rate_per_unit' => 'setRatePerUnit',
-        'number_of_units' => 'setNumberOfUnits',
-        'fixed_amount' => 'setFixedAmount',
-        'amount' => 'setAmount',
-        'is_linked_to_timesheet' => 'setIsLinkedToTimesheet'
+        'earnings_rate_id' => 'setEarningsRateId''rate_per_unit' => 'setRatePerUnit''number_of_units' => 'setNumberOfUnits''fixed_amount' => 'setFixedAmount''amount' => 'setAmount''is_linked_to_timesheet' => 'setIsLinkedToTimesheet'
     ];
 
     /**
@@ -133,12 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_rate_id' => 'getEarningsRateId',
-        'rate_per_unit' => 'getRatePerUnit',
-        'number_of_units' => 'getNumberOfUnits',
-        'fixed_amount' => 'getFixedAmount',
-        'amount' => 'getAmount',
-        'is_linked_to_timesheet' => 'getIsLinkedToTimesheet'
+        'earnings_rate_id' => 'getEarningsRateId''rate_per_unit' => 'getRatePerUnit''number_of_units' => 'getNumberOfUnits''fixed_amount' => 'getFixedAmount''amount' => 'getAmount''is_linked_to_timesheet' => 'getIsLinkedToTimesheet'
     ];
 
     /**
@@ -401,6 +378,7 @@ public function setIsLinkedToTimesheet($is_linked_to_timesheet)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -413,6 +391,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -426,6 +405,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -442,6 +422,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/TimesheetLine.php b/lib/Models/PayrollUk/TimesheetLine.php
index b2f7b539..cd6b4fc9 100644
--- a/lib/Models/PayrollUk/TimesheetLine.php
+++ b/lib/Models/PayrollUk/TimesheetLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TimesheetLine Class Doc Comment
  *
@@ -56,11 +58,7 @@ class TimesheetLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'timesheet_line_id' => 'string',
-        'date' => '\DateTime',
-        'earnings_rate_id' => 'string',
-        'tracking_item_id' => 'string',
-        'number_of_units' => 'double'
+        'timesheet_line_id' => 'string''date' => '\DateTime''earnings_rate_id' => 'string''tracking_item_id' => 'string''number_of_units' => 'double'
     ];
 
     /**
@@ -69,11 +67,7 @@ class TimesheetLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'timesheet_line_id' => 'uuid',
-        'date' => 'date',
-        'earnings_rate_id' => 'uuid',
-        'tracking_item_id' => 'uuid',
-        'number_of_units' => 'double'
+        'timesheet_line_id' => 'uuid''date' => 'date''earnings_rate_id' => 'uuid''tracking_item_id' => 'uuid''number_of_units' => 'double'
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'timesheet_line_id' => 'timesheetLineID',
-        'date' => 'date',
-        'earnings_rate_id' => 'earningsRateID',
-        'tracking_item_id' => 'trackingItemID',
-        'number_of_units' => 'numberOfUnits'
+        'timesheet_line_id' => 'timesheetLineID''date' => 'date''earnings_rate_id' => 'earningsRateID''tracking_item_id' => 'trackingItemID''number_of_units' => 'numberOfUnits'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'timesheet_line_id' => 'setTimesheetLineId',
-        'date' => 'setDate',
-        'earnings_rate_id' => 'setEarningsRateId',
-        'tracking_item_id' => 'setTrackingItemId',
-        'number_of_units' => 'setNumberOfUnits'
+        'timesheet_line_id' => 'setTimesheetLineId''date' => 'setDate''earnings_rate_id' => 'setEarningsRateId''tracking_item_id' => 'setTrackingItemId''number_of_units' => 'setNumberOfUnits'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'timesheet_line_id' => 'getTimesheetLineId',
-        'date' => 'getDate',
-        'earnings_rate_id' => 'getEarningsRateId',
-        'tracking_item_id' => 'getTrackingItemId',
-        'number_of_units' => 'getNumberOfUnits'
+        'timesheet_line_id' => 'getTimesheetLineId''date' => 'getDate''earnings_rate_id' => 'getEarningsRateId''tracking_item_id' => 'getTrackingItemId''number_of_units' => 'getNumberOfUnits'
     ];
 
     /**
@@ -377,6 +359,7 @@ public function setNumberOfUnits($number_of_units)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -389,6 +372,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -402,6 +386,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -418,6 +403,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/TimesheetLineObject.php b/lib/Models/PayrollUk/TimesheetLineObject.php
index 0b9484dc..96d143d2 100644
--- a/lib/Models/PayrollUk/TimesheetLineObject.php
+++ b/lib/Models/PayrollUk/TimesheetLineObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TimesheetLineObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class TimesheetLineObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'timesheet_line' => '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''timesheet_line' => '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine'
     ];
 
     /**
@@ -67,9 +67,7 @@ class TimesheetLineObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'timesheet_line' => null
+        'pagination' => null'problem' => null'timesheet_line' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'timesheet_line' => 'timesheetLine'
+        'pagination' => 'pagination''problem' => 'problem''timesheet_line' => 'timesheetLine'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'timesheet_line' => 'setTimesheetLine'
+        'pagination' => 'setPagination''problem' => 'setProblem''timesheet_line' => 'setTimesheetLine'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'timesheet_line' => 'getTimesheetLine'
+        'pagination' => 'getPagination''problem' => 'getProblem''timesheet_line' => 'getTimesheetLine'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setTimesheetLine($timesheet_line)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/TimesheetObject.php b/lib/Models/PayrollUk/TimesheetObject.php
index 46da979b..482305ee 100644
--- a/lib/Models/PayrollUk/TimesheetObject.php
+++ b/lib/Models/PayrollUk/TimesheetObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TimesheetObject Class Doc Comment
  *
@@ -56,9 +58,7 @@ class TimesheetObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'timesheet' => '\XeroAPI\XeroPHP\Models\PayrollUk\Timesheet'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''timesheet' => '\XeroAPI\XeroPHP\Models\PayrollUk\Timesheet'
     ];
 
     /**
@@ -67,9 +67,7 @@ class TimesheetObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'timesheet' => null
+        'pagination' => null'problem' => null'timesheet' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'timesheet' => 'timesheet'
+        'pagination' => 'pagination''problem' => 'problem''timesheet' => 'timesheet'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'timesheet' => 'setTimesheet'
+        'pagination' => 'setPagination''problem' => 'setProblem''timesheet' => 'setTimesheet'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'timesheet' => 'getTimesheet'
+        'pagination' => 'getPagination''problem' => 'getProblem''timesheet' => 'getTimesheet'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setTimesheet($timesheet)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Timesheets.php b/lib/Models/PayrollUk/Timesheets.php
index 76200380..cc8daa85 100644
--- a/lib/Models/PayrollUk/Timesheets.php
+++ b/lib/Models/PayrollUk/Timesheets.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Timesheets Class Doc Comment
  *
@@ -56,9 +58,7 @@ class Timesheets implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'timesheets' => '\XeroAPI\XeroPHP\Models\PayrollUk\Timesheet[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''timesheets' => '\XeroAPI\XeroPHP\Models\PayrollUk\Timesheet[]'
     ];
 
     /**
@@ -67,9 +67,7 @@ class Timesheets implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'timesheets' => null
+        'pagination' => null'problem' => null'timesheets' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'timesheets' => 'timesheets'
+        'pagination' => 'pagination''problem' => 'problem''timesheets' => 'timesheets'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'timesheets' => 'setTimesheets'
+        'pagination' => 'setPagination''problem' => 'setProblem''timesheets' => 'setTimesheets'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'timesheets' => 'getTimesheets'
+        'pagination' => 'getPagination''problem' => 'getProblem''timesheets' => 'getTimesheets'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setTimesheets($timesheets)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/TrackingCategories.php b/lib/Models/PayrollUk/TrackingCategories.php
index af0cd520..6922c751 100644
--- a/lib/Models/PayrollUk/TrackingCategories.php
+++ b/lib/Models/PayrollUk/TrackingCategories.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TrackingCategories Class Doc Comment
  *
@@ -56,9 +58,7 @@ class TrackingCategories implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
-        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
-        'tracking_categories' => '\XeroAPI\XeroPHP\Models\PayrollUk\TrackingCategory'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''tracking_categories' => '\XeroAPI\XeroPHP\Models\PayrollUk\TrackingCategory'
     ];
 
     /**
@@ -67,9 +67,7 @@ class TrackingCategories implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'problem' => null,
-        'tracking_categories' => null
+        'pagination' => null'problem' => null'tracking_categories' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'problem' => 'problem',
-        'tracking_categories' => 'trackingCategories'
+        'pagination' => 'pagination''problem' => 'problem''tracking_categories' => 'trackingCategories'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'problem' => 'setProblem',
-        'tracking_categories' => 'setTrackingCategories'
+        'pagination' => 'setPagination''problem' => 'setProblem''tracking_categories' => 'setTrackingCategories'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'problem' => 'getProblem',
-        'tracking_categories' => 'getTrackingCategories'
+        'pagination' => 'getPagination''problem' => 'getProblem''tracking_categories' => 'getTrackingCategories'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setTrackingCategories($tracking_categories)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/TrackingCategory.php b/lib/Models/PayrollUk/TrackingCategory.php
index e4d1fb44..5bffee2e 100644
--- a/lib/Models/PayrollUk/TrackingCategory.php
+++ b/lib/Models/PayrollUk/TrackingCategory.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\PayrollUkObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TrackingCategory Class Doc Comment
  *
@@ -56,8 +58,7 @@ class TrackingCategory implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'employee_groups_tracking_category_id' => 'string',
-        'timesheet_tracking_category_id' => 'string'
+        'employee_groups_tracking_category_id' => 'string''timesheet_tracking_category_id' => 'string'
     ];
 
     /**
@@ -66,8 +67,7 @@ class TrackingCategory implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'employee_groups_tracking_category_id' => 'uuid',
-        'timesheet_tracking_category_id' => 'uuid'
+        'employee_groups_tracking_category_id' => 'uuid''timesheet_tracking_category_id' => 'uuid'
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'employee_groups_tracking_category_id' => 'employeeGroupsTrackingCategoryID',
-        'timesheet_tracking_category_id' => 'timesheetTrackingCategoryID'
+        'employee_groups_tracking_category_id' => 'employeeGroupsTrackingCategoryID''timesheet_tracking_category_id' => 'timesheetTrackingCategoryID'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'employee_groups_tracking_category_id' => 'setEmployeeGroupsTrackingCategoryId',
-        'timesheet_tracking_category_id' => 'setTimesheetTrackingCategoryId'
+        'employee_groups_tracking_category_id' => 'setEmployeeGroupsTrackingCategoryId''timesheet_tracking_category_id' => 'setTimesheetTrackingCategoryId'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'employee_groups_tracking_category_id' => 'getEmployeeGroupsTrackingCategoryId',
-        'timesheet_tracking_category_id' => 'getTimesheetTrackingCategoryId'
+        'employee_groups_tracking_category_id' => 'getEmployeeGroupsTrackingCategoryId''timesheet_tracking_category_id' => 'getTimesheetTrackingCategoryId'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setTimesheetTrackingCategoryId($timesheet_tracking_category_id)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/Amount.php b/lib/Models/Project/Amount.php
index 0c8ed9c0..93617f04 100644
--- a/lib/Models/Project/Amount.php
+++ b/lib/Models/Project/Amount.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\ProjectObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Amount Class Doc Comment
  *
@@ -56,8 +58,7 @@ class Amount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'currency' => '\XeroAPI\XeroPHP\Models\Project\CurrencyCode',
-        'value' => 'double'
+        'currency' => '\XeroAPI\XeroPHP\Models\Project\CurrencyCode''value' => 'double'
     ];
 
     /**
@@ -66,8 +67,7 @@ class Amount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'currency' => null,
-        'value' => 'double'
+        'currency' => null'value' => 'double'
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'currency' => 'currency',
-        'value' => 'value'
+        'currency' => 'currency''value' => 'value'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'currency' => 'setCurrency',
-        'value' => 'setValue'
+        'currency' => 'setCurrency''value' => 'setValue'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'currency' => 'getCurrency',
-        'value' => 'getValue'
+        'currency' => 'getCurrency''value' => 'getValue'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setValue($value)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/ChargeType.php b/lib/Models/Project/ChargeType.php
index 025aa08f..feebf426 100644
--- a/lib/Models/Project/ChargeType.php
+++ b/lib/Models/Project/ChargeType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\Project;
 use \XeroAPI\XeroPHP\ProjectObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ChargeType Class Doc Comment
  *
diff --git a/lib/Models/Project/CurrencyCode.php b/lib/Models/Project/CurrencyCode.php
index f5a85fb3..c4650ed7 100644
--- a/lib/Models/Project/CurrencyCode.php
+++ b/lib/Models/Project/CurrencyCode.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\Project;
 use \XeroAPI\XeroPHP\ProjectObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * CurrencyCode Class Doc Comment
  *
diff --git a/lib/Models/Project/Error.php b/lib/Models/Project/Error.php
index b3b37a09..d14a28ef 100644
--- a/lib/Models/Project/Error.php
+++ b/lib/Models/Project/Error.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\ProjectObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Error Class Doc Comment
  *
@@ -56,8 +58,7 @@ class Error implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'message' => 'string',
-        'model_state' => 'object'
+        'message' => 'string''model_state' => 'object'
     ];
 
     /**
@@ -66,8 +67,7 @@ class Error implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'message' => null,
-        'model_state' => null
+        'message' => null'model_state' => null
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'message' => 'message',
-        'model_state' => 'modelState'
+        'message' => 'message''model_state' => 'modelState'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'message' => 'setMessage',
-        'model_state' => 'setModelState'
+        'message' => 'setMessage''model_state' => 'setModelState'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'message' => 'getMessage',
-        'model_state' => 'getModelState'
+        'message' => 'getMessage''model_state' => 'getModelState'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setModelState($model_state)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/ModelInterface.php b/lib/Models/Project/ModelInterface.php
index ed8b4367..38261eda 100644
--- a/lib/Models/Project/ModelInterface.php
+++ b/lib/Models/Project/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Project/Pagination.php b/lib/Models/Project/Pagination.php
index 594b6c8f..6f8c82b1 100644
--- a/lib/Models/Project/Pagination.php
+++ b/lib/Models/Project/Pagination.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\ProjectObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Pagination Class Doc Comment
  *
@@ -56,10 +58,7 @@ class Pagination implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'page' => 'int',
-        'page_size' => 'int',
-        'page_count' => 'int',
-        'item_count' => 'int'
+        'page' => 'int''page_size' => 'int''page_count' => 'int''item_count' => 'int'
     ];
 
     /**
@@ -68,10 +67,7 @@ class Pagination implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'page' => null,
-        'page_size' => null,
-        'page_count' => null,
-        'item_count' => null
+        'page' => null'page_size' => null'page_count' => null'item_count' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'page' => 'page',
-        'page_size' => 'pageSize',
-        'page_count' => 'pageCount',
-        'item_count' => 'itemCount'
+        'page' => 'page''page_size' => 'pageSize''page_count' => 'pageCount''item_count' => 'itemCount'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'page' => 'setPage',
-        'page_size' => 'setPageSize',
-        'page_count' => 'setPageCount',
-        'item_count' => 'setItemCount'
+        'page' => 'setPage''page_size' => 'setPageSize''page_count' => 'setPageCount''item_count' => 'setItemCount'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'page' => 'getPage',
-        'page_size' => 'getPageSize',
-        'page_count' => 'getPageCount',
-        'item_count' => 'getItemCount'
+        'page' => 'getPage''page_size' => 'getPageSize''page_count' => 'getPageCount''item_count' => 'getItemCount'
     ];
 
     /**
@@ -335,6 +322,7 @@ public function setItemCount($item_count)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +335,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +349,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +366,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/Project.php b/lib/Models/Project/Project.php
index 5a8c8a79..2e25299f 100644
--- a/lib/Models/Project/Project.php
+++ b/lib/Models/Project/Project.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\ProjectObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Project Class Doc Comment
  *
@@ -56,28 +58,7 @@ class Project implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'project_id' => 'string',
-        'contact_id' => 'string',
-        'name' => 'string',
-        'currency_code' => '\XeroAPI\XeroPHP\Models\Project\CurrencyCode',
-        'minutes_logged' => 'int',
-        'total_task_amount' => '\XeroAPI\XeroPHP\Models\Project\Amount',
-        'total_expense_amount' => '\XeroAPI\XeroPHP\Models\Project\Amount',
-        'estimate_amount' => '\XeroAPI\XeroPHP\Models\Project\Amount',
-        'minutes_to_be_invoiced' => 'int',
-        'task_amount_to_be_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount',
-        'task_amount_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount',
-        'expense_amount_to_be_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount',
-        'expense_amount_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount',
-        'project_amount_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount',
-        'deposit' => '\XeroAPI\XeroPHP\Models\Project\Amount',
-        'deposit_applied' => '\XeroAPI\XeroPHP\Models\Project\Amount',
-        'credit_note_amount' => '\XeroAPI\XeroPHP\Models\Project\Amount',
-        'deadline_utc' => '\DateTime',
-        'total_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount',
-        'total_to_be_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount',
-        'estimate' => '\XeroAPI\XeroPHP\Models\Project\Amount',
-        'status' => '\XeroAPI\XeroPHP\Models\Project\ProjectStatus'
+        'project_id' => 'string''contact_id' => 'string''name' => 'string''currency_code' => '\XeroAPI\XeroPHP\Models\Project\CurrencyCode''minutes_logged' => 'int''total_task_amount' => '\XeroAPI\XeroPHP\Models\Project\Amount''total_expense_amount' => '\XeroAPI\XeroPHP\Models\Project\Amount''estimate_amount' => '\XeroAPI\XeroPHP\Models\Project\Amount''minutes_to_be_invoiced' => 'int''task_amount_to_be_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount''task_amount_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount''expense_amount_to_be_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount''expense_amount_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount''project_amount_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount''deposit' => '\XeroAPI\XeroPHP\Models\Project\Amount''deposit_applied' => '\XeroAPI\XeroPHP\Models\Project\Amount''credit_note_amount' => '\XeroAPI\XeroPHP\Models\Project\Amount''deadline_utc' => '\DateTime''total_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount''total_to_be_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount''estimate' => '\XeroAPI\XeroPHP\Models\Project\Amount''status' => '\XeroAPI\XeroPHP\Models\Project\ProjectStatus'
     ];
 
     /**
@@ -86,28 +67,7 @@ class Project implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'project_id' => 'uuid',
-        'contact_id' => 'uuid',
-        'name' => null,
-        'currency_code' => null,
-        'minutes_logged' => null,
-        'total_task_amount' => null,
-        'total_expense_amount' => null,
-        'estimate_amount' => null,
-        'minutes_to_be_invoiced' => null,
-        'task_amount_to_be_invoiced' => null,
-        'task_amount_invoiced' => null,
-        'expense_amount_to_be_invoiced' => null,
-        'expense_amount_invoiced' => null,
-        'project_amount_invoiced' => null,
-        'deposit' => null,
-        'deposit_applied' => null,
-        'credit_note_amount' => null,
-        'deadline_utc' => 'date-time',
-        'total_invoiced' => null,
-        'total_to_be_invoiced' => null,
-        'estimate' => null,
-        'status' => null
+        'project_id' => 'uuid''contact_id' => 'uuid''name' => null'currency_code' => null'minutes_logged' => null'total_task_amount' => null'total_expense_amount' => null'estimate_amount' => null'minutes_to_be_invoiced' => null'task_amount_to_be_invoiced' => null'task_amount_invoiced' => null'expense_amount_to_be_invoiced' => null'expense_amount_invoiced' => null'project_amount_invoiced' => null'deposit' => null'deposit_applied' => null'credit_note_amount' => null'deadline_utc' => 'date-time''total_invoiced' => null'total_to_be_invoiced' => null'estimate' => null'status' => null
     ];
 
     /**
@@ -137,28 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'project_id' => 'projectId',
-        'contact_id' => 'contactId',
-        'name' => 'name',
-        'currency_code' => 'currencyCode',
-        'minutes_logged' => 'minutesLogged',
-        'total_task_amount' => 'totalTaskAmount',
-        'total_expense_amount' => 'totalExpenseAmount',
-        'estimate_amount' => 'estimateAmount',
-        'minutes_to_be_invoiced' => 'minutesToBeInvoiced',
-        'task_amount_to_be_invoiced' => 'taskAmountToBeInvoiced',
-        'task_amount_invoiced' => 'taskAmountInvoiced',
-        'expense_amount_to_be_invoiced' => 'expenseAmountToBeInvoiced',
-        'expense_amount_invoiced' => 'expenseAmountInvoiced',
-        'project_amount_invoiced' => 'projectAmountInvoiced',
-        'deposit' => 'deposit',
-        'deposit_applied' => 'depositApplied',
-        'credit_note_amount' => 'creditNoteAmount',
-        'deadline_utc' => 'deadlineUtc',
-        'total_invoiced' => 'totalInvoiced',
-        'total_to_be_invoiced' => 'totalToBeInvoiced',
-        'estimate' => 'estimate',
-        'status' => 'status'
+        'project_id' => 'projectId''contact_id' => 'contactId''name' => 'name''currency_code' => 'currencyCode''minutes_logged' => 'minutesLogged''total_task_amount' => 'totalTaskAmount''total_expense_amount' => 'totalExpenseAmount''estimate_amount' => 'estimateAmount''minutes_to_be_invoiced' => 'minutesToBeInvoiced''task_amount_to_be_invoiced' => 'taskAmountToBeInvoiced''task_amount_invoiced' => 'taskAmountInvoiced''expense_amount_to_be_invoiced' => 'expenseAmountToBeInvoiced''expense_amount_invoiced' => 'expenseAmountInvoiced''project_amount_invoiced' => 'projectAmountInvoiced''deposit' => 'deposit''deposit_applied' => 'depositApplied''credit_note_amount' => 'creditNoteAmount''deadline_utc' => 'deadlineUtc''total_invoiced' => 'totalInvoiced''total_to_be_invoiced' => 'totalToBeInvoiced''estimate' => 'estimate''status' => 'status'
     ];
 
     /**
@@ -167,28 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'project_id' => 'setProjectId',
-        'contact_id' => 'setContactId',
-        'name' => 'setName',
-        'currency_code' => 'setCurrencyCode',
-        'minutes_logged' => 'setMinutesLogged',
-        'total_task_amount' => 'setTotalTaskAmount',
-        'total_expense_amount' => 'setTotalExpenseAmount',
-        'estimate_amount' => 'setEstimateAmount',
-        'minutes_to_be_invoiced' => 'setMinutesToBeInvoiced',
-        'task_amount_to_be_invoiced' => 'setTaskAmountToBeInvoiced',
-        'task_amount_invoiced' => 'setTaskAmountInvoiced',
-        'expense_amount_to_be_invoiced' => 'setExpenseAmountToBeInvoiced',
-        'expense_amount_invoiced' => 'setExpenseAmountInvoiced',
-        'project_amount_invoiced' => 'setProjectAmountInvoiced',
-        'deposit' => 'setDeposit',
-        'deposit_applied' => 'setDepositApplied',
-        'credit_note_amount' => 'setCreditNoteAmount',
-        'deadline_utc' => 'setDeadlineUtc',
-        'total_invoiced' => 'setTotalInvoiced',
-        'total_to_be_invoiced' => 'setTotalToBeInvoiced',
-        'estimate' => 'setEstimate',
-        'status' => 'setStatus'
+        'project_id' => 'setProjectId''contact_id' => 'setContactId''name' => 'setName''currency_code' => 'setCurrencyCode''minutes_logged' => 'setMinutesLogged''total_task_amount' => 'setTotalTaskAmount''total_expense_amount' => 'setTotalExpenseAmount''estimate_amount' => 'setEstimateAmount''minutes_to_be_invoiced' => 'setMinutesToBeInvoiced''task_amount_to_be_invoiced' => 'setTaskAmountToBeInvoiced''task_amount_invoiced' => 'setTaskAmountInvoiced''expense_amount_to_be_invoiced' => 'setExpenseAmountToBeInvoiced''expense_amount_invoiced' => 'setExpenseAmountInvoiced''project_amount_invoiced' => 'setProjectAmountInvoiced''deposit' => 'setDeposit''deposit_applied' => 'setDepositApplied''credit_note_amount' => 'setCreditNoteAmount''deadline_utc' => 'setDeadlineUtc''total_invoiced' => 'setTotalInvoiced''total_to_be_invoiced' => 'setTotalToBeInvoiced''estimate' => 'setEstimate''status' => 'setStatus'
     ];
 
     /**
@@ -197,28 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'project_id' => 'getProjectId',
-        'contact_id' => 'getContactId',
-        'name' => 'getName',
-        'currency_code' => 'getCurrencyCode',
-        'minutes_logged' => 'getMinutesLogged',
-        'total_task_amount' => 'getTotalTaskAmount',
-        'total_expense_amount' => 'getTotalExpenseAmount',
-        'estimate_amount' => 'getEstimateAmount',
-        'minutes_to_be_invoiced' => 'getMinutesToBeInvoiced',
-        'task_amount_to_be_invoiced' => 'getTaskAmountToBeInvoiced',
-        'task_amount_invoiced' => 'getTaskAmountInvoiced',
-        'expense_amount_to_be_invoiced' => 'getExpenseAmountToBeInvoiced',
-        'expense_amount_invoiced' => 'getExpenseAmountInvoiced',
-        'project_amount_invoiced' => 'getProjectAmountInvoiced',
-        'deposit' => 'getDeposit',
-        'deposit_applied' => 'getDepositApplied',
-        'credit_note_amount' => 'getCreditNoteAmount',
-        'deadline_utc' => 'getDeadlineUtc',
-        'total_invoiced' => 'getTotalInvoiced',
-        'total_to_be_invoiced' => 'getTotalToBeInvoiced',
-        'estimate' => 'getEstimate',
-        'status' => 'getStatus'
+        'project_id' => 'getProjectId''contact_id' => 'getContactId''name' => 'getName''currency_code' => 'getCurrencyCode''minutes_logged' => 'getMinutesLogged''total_task_amount' => 'getTotalTaskAmount''total_expense_amount' => 'getTotalExpenseAmount''estimate_amount' => 'getEstimateAmount''minutes_to_be_invoiced' => 'getMinutesToBeInvoiced''task_amount_to_be_invoiced' => 'getTaskAmountToBeInvoiced''task_amount_invoiced' => 'getTaskAmountInvoiced''expense_amount_to_be_invoiced' => 'getExpenseAmountToBeInvoiced''expense_amount_invoiced' => 'getExpenseAmountInvoiced''project_amount_invoiced' => 'getProjectAmountInvoiced''deposit' => 'getDeposit''deposit_applied' => 'getDepositApplied''credit_note_amount' => 'getCreditNoteAmount''deadline_utc' => 'getDeadlineUtc''total_invoiced' => 'getTotalInvoiced''total_to_be_invoiced' => 'getTotalToBeInvoiced''estimate' => 'getEstimate''status' => 'getStatus'
     ];
 
     /**
@@ -932,6 +829,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -944,6 +842,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -957,6 +856,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -973,6 +873,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/ProjectCreateOrUpdate.php b/lib/Models/Project/ProjectCreateOrUpdate.php
index 39f67409..a39c263c 100644
--- a/lib/Models/Project/ProjectCreateOrUpdate.php
+++ b/lib/Models/Project/ProjectCreateOrUpdate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\ProjectObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ProjectCreateOrUpdate Class Doc Comment
  *
@@ -56,10 +58,7 @@ class ProjectCreateOrUpdate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'contact_id' => 'string',
-        'name' => 'string',
-        'estimate_amount' => 'double',
-        'deadline_utc' => '\DateTime'
+        'contact_id' => 'string''name' => 'string''estimate_amount' => 'double''deadline_utc' => '\DateTime'
     ];
 
     /**
@@ -68,10 +67,7 @@ class ProjectCreateOrUpdate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'contact_id' => 'uuid',
-        'name' => null,
-        'estimate_amount' => 'double',
-        'deadline_utc' => 'date-time'
+        'contact_id' => 'uuid''name' => null'estimate_amount' => 'double''deadline_utc' => 'date-time'
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'contact_id' => 'contactId',
-        'name' => 'name',
-        'estimate_amount' => 'estimateAmount',
-        'deadline_utc' => 'deadlineUtc'
+        'contact_id' => 'contactId''name' => 'name''estimate_amount' => 'estimateAmount''deadline_utc' => 'deadlineUtc'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'contact_id' => 'setContactId',
-        'name' => 'setName',
-        'estimate_amount' => 'setEstimateAmount',
-        'deadline_utc' => 'setDeadlineUtc'
+        'contact_id' => 'setContactId''name' => 'setName''estimate_amount' => 'setEstimateAmount''deadline_utc' => 'setDeadlineUtc'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'contact_id' => 'getContactId',
-        'name' => 'getName',
-        'estimate_amount' => 'getEstimateAmount',
-        'deadline_utc' => 'getDeadlineUtc'
+        'contact_id' => 'getContactId''name' => 'getName''estimate_amount' => 'getEstimateAmount''deadline_utc' => 'getDeadlineUtc'
     ];
 
     /**
@@ -338,6 +325,7 @@ public function setDeadlineUtc($deadline_utc)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,6 +338,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -363,6 +352,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -379,6 +369,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/ProjectPatch.php b/lib/Models/Project/ProjectPatch.php
index ad4047d2..b3c50ce2 100644
--- a/lib/Models/Project/ProjectPatch.php
+++ b/lib/Models/Project/ProjectPatch.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\ProjectObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ProjectPatch Class Doc Comment
  *
@@ -239,6 +241,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,6 +254,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -264,6 +268,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -280,6 +285,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/ProjectStatus.php b/lib/Models/Project/ProjectStatus.php
index 6b611ac4..4c6cc76b 100644
--- a/lib/Models/Project/ProjectStatus.php
+++ b/lib/Models/Project/ProjectStatus.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -29,6 +29,8 @@
 namespace XeroAPI\XeroPHP\Models\Project;
 use \XeroAPI\XeroPHP\ProjectObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ProjectStatus Class Doc Comment
  *
diff --git a/lib/Models/Project/ProjectUser.php b/lib/Models/Project/ProjectUser.php
index efe1e90e..840cdfa3 100644
--- a/lib/Models/Project/ProjectUser.php
+++ b/lib/Models/Project/ProjectUser.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\ProjectObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ProjectUser Class Doc Comment
  *
@@ -56,9 +58,7 @@ class ProjectUser implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'user_id' => 'string',
-        'name' => 'string',
-        'email' => 'string'
+        'user_id' => 'string''name' => 'string''email' => 'string'
     ];
 
     /**
@@ -67,9 +67,7 @@ class ProjectUser implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'user_id' => 'uuid',
-        'name' => null,
-        'email' => null
+        'user_id' => 'uuid''name' => null'email' => null
     ];
 
     /**
@@ -99,9 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'user_id' => 'userId',
-        'name' => 'name',
-        'email' => 'email'
+        'user_id' => 'userId''name' => 'name''email' => 'email'
     ];
 
     /**
@@ -110,9 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'user_id' => 'setUserId',
-        'name' => 'setName',
-        'email' => 'setEmail'
+        'user_id' => 'setUserId''name' => 'setName''email' => 'setEmail'
     ];
 
     /**
@@ -121,9 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'user_id' => 'getUserId',
-        'name' => 'getName',
-        'email' => 'getEmail'
+        'user_id' => 'getUserId''name' => 'getName''email' => 'getEmail'
     ];
 
     /**
@@ -302,6 +294,7 @@ public function setEmail($email)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -314,6 +307,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -327,6 +321,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -343,6 +338,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/ProjectUsers.php b/lib/Models/Project/ProjectUsers.php
index 27005e06..a36aab56 100644
--- a/lib/Models/Project/ProjectUsers.php
+++ b/lib/Models/Project/ProjectUsers.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\ProjectObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * ProjectUsers Class Doc Comment
  *
@@ -56,8 +58,7 @@ class ProjectUsers implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\Project\Pagination',
-        'items' => '\XeroAPI\XeroPHP\Models\Project\ProjectUser[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\Project\Pagination''items' => '\XeroAPI\XeroPHP\Models\Project\ProjectUser[]'
     ];
 
     /**
@@ -66,8 +67,7 @@ class ProjectUsers implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'items' => null
+        'pagination' => null'items' => null
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'items' => 'items'
+        'pagination' => 'pagination''items' => 'items'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'items' => 'setItems'
+        'pagination' => 'setPagination''items' => 'setItems'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'items' => 'getItems'
+        'pagination' => 'getPagination''items' => 'getItems'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setItems($items)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/Projects.php b/lib/Models/Project/Projects.php
index 81de03f3..fb400ddc 100644
--- a/lib/Models/Project/Projects.php
+++ b/lib/Models/Project/Projects.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\ProjectObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Projects Class Doc Comment
  *
@@ -56,8 +58,7 @@ class Projects implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\Project\Pagination',
-        'items' => '\XeroAPI\XeroPHP\Models\Project\Project[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\Project\Pagination''items' => '\XeroAPI\XeroPHP\Models\Project\Project[]'
     ];
 
     /**
@@ -66,8 +67,7 @@ class Projects implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'items' => null
+        'pagination' => null'items' => null
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'items' => 'items'
+        'pagination' => 'pagination''items' => 'items'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'items' => 'setItems'
+        'pagination' => 'setPagination''items' => 'setItems'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'items' => 'getItems'
+        'pagination' => 'getPagination''items' => 'getItems'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setItems($items)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/Task.php b/lib/Models/Project/Task.php
index c620d117..fb684c18 100644
--- a/lib/Models/Project/Task.php
+++ b/lib/Models/Project/Task.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\ProjectObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Task Class Doc Comment
  *
@@ -56,21 +58,7 @@ class Task implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'task_id' => 'string',
-        'name' => 'string',
-        'rate' => '\XeroAPI\XeroPHP\Models\Project\Amount',
-        'charge_type' => '\XeroAPI\XeroPHP\Models\Project\ChargeType',
-        'estimate_minutes' => 'double',
-        'project_id' => 'string',
-        'total_minutes' => 'double',
-        'total_amount' => '\XeroAPI\XeroPHP\Models\Project\Amount',
-        'minutes_invoiced' => 'double',
-        'minutes_to_be_invoiced' => 'double',
-        'fixed_minutes' => 'double',
-        'non_chargeable_minutes' => 'double',
-        'amount_to_be_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount',
-        'amount_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount',
-        'status' => 'string'
+        'task_id' => 'string''name' => 'string''rate' => '\XeroAPI\XeroPHP\Models\Project\Amount''charge_type' => '\XeroAPI\XeroPHP\Models\Project\ChargeType''estimate_minutes' => 'double''project_id' => 'string''total_minutes' => 'double''total_amount' => '\XeroAPI\XeroPHP\Models\Project\Amount''minutes_invoiced' => 'double''minutes_to_be_invoiced' => 'double''fixed_minutes' => 'double''non_chargeable_minutes' => 'double''amount_to_be_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount''amount_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount''status' => 'string'
     ];
 
     /**
@@ -79,21 +67,7 @@ class Task implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'task_id' => 'uuid',
-        'name' => null,
-        'rate' => null,
-        'charge_type' => null,
-        'estimate_minutes' => 'double',
-        'project_id' => 'uuid',
-        'total_minutes' => 'double',
-        'total_amount' => null,
-        'minutes_invoiced' => 'double',
-        'minutes_to_be_invoiced' => 'double',
-        'fixed_minutes' => 'double',
-        'non_chargeable_minutes' => 'double',
-        'amount_to_be_invoiced' => null,
-        'amount_invoiced' => null,
-        'status' => null
+        'task_id' => 'uuid''name' => null'rate' => null'charge_type' => null'estimate_minutes' => 'double''project_id' => 'uuid''total_minutes' => 'double''total_amount' => null'minutes_invoiced' => 'double''minutes_to_be_invoiced' => 'double''fixed_minutes' => 'double''non_chargeable_minutes' => 'double''amount_to_be_invoiced' => null'amount_invoiced' => null'status' => null
     ];
 
     /**
@@ -123,21 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'task_id' => 'taskId',
-        'name' => 'name',
-        'rate' => 'rate',
-        'charge_type' => 'chargeType',
-        'estimate_minutes' => 'estimateMinutes',
-        'project_id' => 'projectId',
-        'total_minutes' => 'totalMinutes',
-        'total_amount' => 'totalAmount',
-        'minutes_invoiced' => 'minutesInvoiced',
-        'minutes_to_be_invoiced' => 'minutesToBeInvoiced',
-        'fixed_minutes' => 'fixedMinutes',
-        'non_chargeable_minutes' => 'nonChargeableMinutes',
-        'amount_to_be_invoiced' => 'amountToBeInvoiced',
-        'amount_invoiced' => 'amountInvoiced',
-        'status' => 'status'
+        'task_id' => 'taskId''name' => 'name''rate' => 'rate''charge_type' => 'chargeType''estimate_minutes' => 'estimateMinutes''project_id' => 'projectId''total_minutes' => 'totalMinutes''total_amount' => 'totalAmount''minutes_invoiced' => 'minutesInvoiced''minutes_to_be_invoiced' => 'minutesToBeInvoiced''fixed_minutes' => 'fixedMinutes''non_chargeable_minutes' => 'nonChargeableMinutes''amount_to_be_invoiced' => 'amountToBeInvoiced''amount_invoiced' => 'amountInvoiced''status' => 'status'
     ];
 
     /**
@@ -146,21 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'task_id' => 'setTaskId',
-        'name' => 'setName',
-        'rate' => 'setRate',
-        'charge_type' => 'setChargeType',
-        'estimate_minutes' => 'setEstimateMinutes',
-        'project_id' => 'setProjectId',
-        'total_minutes' => 'setTotalMinutes',
-        'total_amount' => 'setTotalAmount',
-        'minutes_invoiced' => 'setMinutesInvoiced',
-        'minutes_to_be_invoiced' => 'setMinutesToBeInvoiced',
-        'fixed_minutes' => 'setFixedMinutes',
-        'non_chargeable_minutes' => 'setNonChargeableMinutes',
-        'amount_to_be_invoiced' => 'setAmountToBeInvoiced',
-        'amount_invoiced' => 'setAmountInvoiced',
-        'status' => 'setStatus'
+        'task_id' => 'setTaskId''name' => 'setName''rate' => 'setRate''charge_type' => 'setChargeType''estimate_minutes' => 'setEstimateMinutes''project_id' => 'setProjectId''total_minutes' => 'setTotalMinutes''total_amount' => 'setTotalAmount''minutes_invoiced' => 'setMinutesInvoiced''minutes_to_be_invoiced' => 'setMinutesToBeInvoiced''fixed_minutes' => 'setFixedMinutes''non_chargeable_minutes' => 'setNonChargeableMinutes''amount_to_be_invoiced' => 'setAmountToBeInvoiced''amount_invoiced' => 'setAmountInvoiced''status' => 'setStatus'
     ];
 
     /**
@@ -169,21 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'task_id' => 'getTaskId',
-        'name' => 'getName',
-        'rate' => 'getRate',
-        'charge_type' => 'getChargeType',
-        'estimate_minutes' => 'getEstimateMinutes',
-        'project_id' => 'getProjectId',
-        'total_minutes' => 'getTotalMinutes',
-        'total_amount' => 'getTotalAmount',
-        'minutes_invoiced' => 'getMinutesInvoiced',
-        'minutes_to_be_invoiced' => 'getMinutesToBeInvoiced',
-        'fixed_minutes' => 'getFixedMinutes',
-        'non_chargeable_minutes' => 'getNonChargeableMinutes',
-        'amount_to_be_invoiced' => 'getAmountToBeInvoiced',
-        'amount_invoiced' => 'getAmountInvoiced',
-        'status' => 'getStatus'
+        'task_id' => 'getTaskId''name' => 'getName''rate' => 'getRate''charge_type' => 'getChargeType''estimate_minutes' => 'getEstimateMinutes''project_id' => 'getProjectId''total_minutes' => 'getTotalMinutes''total_amount' => 'getTotalAmount''minutes_invoiced' => 'getMinutesInvoiced''minutes_to_be_invoiced' => 'getMinutesToBeInvoiced''fixed_minutes' => 'getFixedMinutes''non_chargeable_minutes' => 'getNonChargeableMinutes''amount_to_be_invoiced' => 'getAmountToBeInvoiced''amount_invoiced' => 'getAmountInvoiced''status' => 'getStatus'
     ];
 
     /**
@@ -732,6 +664,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -744,6 +677,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -757,6 +691,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -773,6 +708,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/TaskCreateOrUpdate.php b/lib/Models/Project/TaskCreateOrUpdate.php
index dc8a51fb..a26567d7 100644
--- a/lib/Models/Project/TaskCreateOrUpdate.php
+++ b/lib/Models/Project/TaskCreateOrUpdate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\ProjectObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TaskCreateOrUpdate Class Doc Comment
  *
@@ -56,10 +58,7 @@ class TaskCreateOrUpdate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string',
-        'rate' => '\XeroAPI\XeroPHP\Models\Project\Amount',
-        'charge_type' => '\XeroAPI\XeroPHP\Models\Project\ChargeType',
-        'estimate_minutes' => 'int'
+        'name' => 'string''rate' => '\XeroAPI\XeroPHP\Models\Project\Amount''charge_type' => '\XeroAPI\XeroPHP\Models\Project\ChargeType''estimate_minutes' => 'int'
     ];
 
     /**
@@ -68,10 +67,7 @@ class TaskCreateOrUpdate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null,
-        'rate' => null,
-        'charge_type' => null,
-        'estimate_minutes' => null
+        'name' => null'rate' => null'charge_type' => null'estimate_minutes' => null
     ];
 
     /**
@@ -101,10 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'name',
-        'rate' => 'rate',
-        'charge_type' => 'chargeType',
-        'estimate_minutes' => 'estimateMinutes'
+        'name' => 'name''rate' => 'rate''charge_type' => 'chargeType''estimate_minutes' => 'estimateMinutes'
     ];
 
     /**
@@ -113,10 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName',
-        'rate' => 'setRate',
-        'charge_type' => 'setChargeType',
-        'estimate_minutes' => 'setEstimateMinutes'
+        'name' => 'setName''rate' => 'setRate''charge_type' => 'setChargeType''estimate_minutes' => 'setEstimateMinutes'
     ];
 
     /**
@@ -125,10 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName',
-        'rate' => 'getRate',
-        'charge_type' => 'getChargeType',
-        'estimate_minutes' => 'getEstimateMinutes'
+        'name' => 'getName''rate' => 'getRate''charge_type' => 'getChargeType''estimate_minutes' => 'getEstimateMinutes'
     ];
 
     /**
@@ -250,6 +237,8 @@ public function getName()
     public function setName($name)
     {
 
+
+
         $this->container['name'] = $name;
 
         return $this;
@@ -344,6 +333,7 @@ public function setEstimateMinutes($estimate_minutes)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -356,6 +346,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -369,6 +360,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -385,6 +377,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/Tasks.php b/lib/Models/Project/Tasks.php
index 642fa544..f741b445 100644
--- a/lib/Models/Project/Tasks.php
+++ b/lib/Models/Project/Tasks.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\ProjectObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * Tasks Class Doc Comment
  *
@@ -56,8 +58,7 @@ class Tasks implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\Project\Pagination',
-        'items' => '\XeroAPI\XeroPHP\Models\Project\Task[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\Project\Pagination''items' => '\XeroAPI\XeroPHP\Models\Project\Task[]'
     ];
 
     /**
@@ -66,8 +67,7 @@ class Tasks implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'items' => null
+        'pagination' => null'items' => null
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'items' => 'items'
+        'pagination' => 'pagination''items' => 'items'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'items' => 'setItems'
+        'pagination' => 'setPagination''items' => 'setItems'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'items' => 'getItems'
+        'pagination' => 'getPagination''items' => 'getItems'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setItems($items)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/TimeEntries.php b/lib/Models/Project/TimeEntries.php
index 06072d8f..b4404d8d 100644
--- a/lib/Models/Project/TimeEntries.php
+++ b/lib/Models/Project/TimeEntries.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\ProjectObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TimeEntries Class Doc Comment
  *
@@ -56,8 +58,7 @@ class TimeEntries implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\Project\Pagination',
-        'items' => '\XeroAPI\XeroPHP\Models\Project\TimeEntry[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\Project\Pagination''items' => '\XeroAPI\XeroPHP\Models\Project\TimeEntry[]'
     ];
 
     /**
@@ -66,8 +67,7 @@ class TimeEntries implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null,
-        'items' => null
+        'pagination' => null'items' => null
     ];
 
     /**
@@ -97,8 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination',
-        'items' => 'items'
+        'pagination' => 'pagination''items' => 'items'
     ];
 
     /**
@@ -107,8 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination',
-        'items' => 'setItems'
+        'pagination' => 'setPagination''items' => 'setItems'
     ];
 
     /**
@@ -117,8 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination',
-        'items' => 'getItems'
+        'pagination' => 'getPagination''items' => 'getItems'
     ];
 
     /**
@@ -269,6 +266,7 @@ public function setItems($items)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -281,6 +279,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -294,6 +293,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -310,6 +310,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/TimeEntry.php b/lib/Models/Project/TimeEntry.php
index dd018bbc..2ad38f6a 100644
--- a/lib/Models/Project/TimeEntry.php
+++ b/lib/Models/Project/TimeEntry.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\ProjectObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TimeEntry Class Doc Comment
  *
@@ -56,15 +58,7 @@ class TimeEntry implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'time_entry_id' => 'string',
-        'user_id' => 'string',
-        'project_id' => 'string',
-        'task_id' => 'string',
-        'date_utc' => '\DateTime',
-        'date_entered_utc' => '\DateTime',
-        'duration' => 'int',
-        'description' => 'string',
-        'status' => 'string'
+        'time_entry_id' => 'string''user_id' => 'string''project_id' => 'string''task_id' => 'string''date_utc' => '\DateTime''date_entered_utc' => '\DateTime''duration' => 'int''description' => 'string''status' => 'string'
     ];
 
     /**
@@ -73,15 +67,7 @@ class TimeEntry implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'time_entry_id' => 'uuid',
-        'user_id' => 'uuid',
-        'project_id' => 'uuid',
-        'task_id' => 'uuid',
-        'date_utc' => 'date-time',
-        'date_entered_utc' => 'date-time',
-        'duration' => null,
-        'description' => null,
-        'status' => null
+        'time_entry_id' => 'uuid''user_id' => 'uuid''project_id' => 'uuid''task_id' => 'uuid''date_utc' => 'date-time''date_entered_utc' => 'date-time''duration' => null'description' => null'status' => null
     ];
 
     /**
@@ -111,15 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'time_entry_id' => 'timeEntryId',
-        'user_id' => 'userId',
-        'project_id' => 'projectId',
-        'task_id' => 'taskId',
-        'date_utc' => 'dateUtc',
-        'date_entered_utc' => 'dateEnteredUtc',
-        'duration' => 'duration',
-        'description' => 'description',
-        'status' => 'status'
+        'time_entry_id' => 'timeEntryId''user_id' => 'userId''project_id' => 'projectId''task_id' => 'taskId''date_utc' => 'dateUtc''date_entered_utc' => 'dateEnteredUtc''duration' => 'duration''description' => 'description''status' => 'status'
     ];
 
     /**
@@ -128,15 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'time_entry_id' => 'setTimeEntryId',
-        'user_id' => 'setUserId',
-        'project_id' => 'setProjectId',
-        'task_id' => 'setTaskId',
-        'date_utc' => 'setDateUtc',
-        'date_entered_utc' => 'setDateEnteredUtc',
-        'duration' => 'setDuration',
-        'description' => 'setDescription',
-        'status' => 'setStatus'
+        'time_entry_id' => 'setTimeEntryId''user_id' => 'setUserId''project_id' => 'setProjectId''task_id' => 'setTaskId''date_utc' => 'setDateUtc''date_entered_utc' => 'setDateEnteredUtc''duration' => 'setDuration''description' => 'setDescription''status' => 'setStatus'
     ];
 
     /**
@@ -145,15 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'time_entry_id' => 'getTimeEntryId',
-        'user_id' => 'getUserId',
-        'project_id' => 'getProjectId',
-        'task_id' => 'getTaskId',
-        'date_utc' => 'getDateUtc',
-        'date_entered_utc' => 'getDateEnteredUtc',
-        'duration' => 'getDuration',
-        'description' => 'getDescription',
-        'status' => 'getStatus'
+        'time_entry_id' => 'getTimeEntryId''user_id' => 'getUserId''project_id' => 'getProjectId''task_id' => 'getTaskId''date_utc' => 'getDateUtc''date_entered_utc' => 'getDateEnteredUtc''duration' => 'getDuration''description' => 'getDescription''status' => 'getStatus'
     ];
 
     /**
@@ -534,6 +496,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -546,6 +509,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -559,6 +523,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -575,6 +540,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/TimeEntryCreateOrUpdate.php b/lib/Models/Project/TimeEntryCreateOrUpdate.php
index 500778ca..373f40f3 100644
--- a/lib/Models/Project/TimeEntryCreateOrUpdate.php
+++ b/lib/Models/Project/TimeEntryCreateOrUpdate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\ProjectObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * TimeEntryCreateOrUpdate Class Doc Comment
  *
@@ -56,11 +58,7 @@ class TimeEntryCreateOrUpdate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'user_id' => 'string',
-        'task_id' => 'string',
-        'date_utc' => '\DateTime',
-        'duration' => 'int',
-        'description' => 'string'
+        'user_id' => 'string''task_id' => 'string''date_utc' => '\DateTime''duration' => 'int''description' => 'string'
     ];
 
     /**
@@ -69,11 +67,7 @@ class TimeEntryCreateOrUpdate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'user_id' => 'uuid',
-        'task_id' => 'uuid',
-        'date_utc' => 'date-time',
-        'duration' => null,
-        'description' => null
+        'user_id' => 'uuid''task_id' => 'uuid''date_utc' => 'date-time''duration' => null'description' => null
     ];
 
     /**
@@ -103,11 +97,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'user_id' => 'userId',
-        'task_id' => 'taskId',
-        'date_utc' => 'dateUtc',
-        'duration' => 'duration',
-        'description' => 'description'
+        'user_id' => 'userId''task_id' => 'taskId''date_utc' => 'dateUtc''duration' => 'duration''description' => 'description'
     ];
 
     /**
@@ -116,11 +106,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'user_id' => 'setUserId',
-        'task_id' => 'setTaskId',
-        'date_utc' => 'setDateUtc',
-        'duration' => 'setDuration',
-        'description' => 'setDescription'
+        'user_id' => 'setUserId''task_id' => 'setTaskId''date_utc' => 'setDateUtc''duration' => 'setDuration''description' => 'setDescription'
     ];
 
     /**
@@ -129,11 +115,7 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'user_id' => 'getUserId',
-        'task_id' => 'getTaskId',
-        'date_utc' => 'getDateUtc',
-        'duration' => 'getDuration',
-        'description' => 'getDescription'
+        'user_id' => 'getUserId''task_id' => 'getTaskId''date_utc' => 'getDateUtc''duration' => 'getDuration''description' => 'getDescription'
     ];
 
     /**
@@ -380,6 +362,7 @@ public function setDescription($description)
      *
      * @return boolean
      */
+     #[ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -392,6 +375,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+     #[ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -405,6 +389,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -421,6 +406,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+     #[ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/PayrollAuObjectSerializer.php b/lib/PayrollAuObjectSerializer.php
index e745afe4..8b6b05c2 100644
--- a/lib/PayrollAuObjectSerializer.php
+++ b/lib/PayrollAuObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {
diff --git a/lib/PayrollNzObjectSerializer.php b/lib/PayrollNzObjectSerializer.php
index d1dda1d6..3f17a68f 100644
--- a/lib/PayrollNzObjectSerializer.php
+++ b/lib/PayrollNzObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {
diff --git a/lib/PayrollUkObjectSerializer.php b/lib/PayrollUkObjectSerializer.php
index 6a356833..a783de94 100644
--- a/lib/PayrollUkObjectSerializer.php
+++ b/lib/PayrollUkObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {
diff --git a/lib/ProjectObjectSerializer.php b/lib/ProjectObjectSerializer.php
index 550a2618..04cc5714 100644
--- a/lib/ProjectObjectSerializer.php
+++ b/lib/ProjectObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {

From 2cad547f3439df7dfa03bbb17bcbd2cf5c44f595 Mon Sep 17 00:00:00 2001
From: Rett Behrens <rett@rettbehrens.codes>
Date: Fri, 8 Apr 2022 12:33:05 -0600
Subject: [PATCH 2/7] revert to openapi-generator-cli:v4.3.1

---
 docs/v2/accounting/index.html                 |    2 +-
 docs/v2/appstore/index.html                   |   18 +-
 docs/v2/assets/index.html                     |    2 +-
 docs/v2/files/index.html                      |    2 +-
 docs/v2/finance/index.html                    |    2 +-
 docs/v2/payroll_au/index.html                 |    2 +-
 docs/v2/payroll_nz/index.html                 |    2 +-
 docs/v2/payroll_uk/index.html                 |    2 +-
 docs/v2/projects/index.html                   |    2 +-
 lib/AccountingObjectSerializer.php            |    6 +-
 lib/Api/AccountingApi.php                     | 4034 ++++++++---------
 lib/Api/AppStoreApi.php                       |    2 +-
 lib/Api/AssetApi.php                          |   74 +-
 lib/Api/FilesApi.php                          |  302 +-
 lib/Api/FinanceApi.php                        |  218 +-
 lib/Api/IdentityApi.php                       |    2 +-
 lib/Api/PayrollAuApi.php                      |  506 +--
 lib/Api/PayrollNzApi.php                      | 1190 ++---
 lib/Api/PayrollUkApi.php                      | 1226 ++---
 lib/Api/ProjectApi.php                        |  236 +-
 lib/AppStoreObjectSerializer.php              |    6 +-
 lib/AssetObjectSerializer.php                 |    6 +-
 lib/Configuration.php                         |    2 +-
 lib/FileObjectSerializer.php                  |    6 +-
 lib/FinanceObjectSerializer.php               |    6 +-
 lib/IdentityObjectSerializer.php              |    6 +-
 lib/Models/Accounting/Account.php             |  107 +-
 lib/Models/Accounting/AccountType.php         |    2 +-
 lib/Models/Accounting/Accounts.php            |    2 +-
 lib/Models/Accounting/AccountsPayable.php     |   17 +-
 lib/Models/Accounting/AccountsReceivable.php  |   17 +-
 lib/Models/Accounting/Action.php              |   17 +-
 lib/Models/Accounting/Actions.php             |    2 +-
 lib/Models/Accounting/Address.php             |   57 +-
 .../Accounting/AddressForOrganisation.php     |   57 +-
 lib/Models/Accounting/Allocation.php          |   47 +-
 lib/Models/Accounting/Allocations.php         |    2 +-
 lib/Models/Accounting/Attachment.php          |   37 +-
 lib/Models/Accounting/Attachments.php         |    2 +-
 lib/Models/Accounting/BalanceDetails.php      |   22 +-
 lib/Models/Accounting/Balances.php            |   17 +-
 lib/Models/Accounting/BankTransaction.php     |  117 +-
 lib/Models/Accounting/BankTransactions.php    |    2 +-
 lib/Models/Accounting/BankTransfer.php        |   77 +-
 lib/Models/Accounting/BankTransfers.php       |    2 +-
 lib/Models/Accounting/BatchPayment.php        |   92 +-
 lib/Models/Accounting/BatchPaymentDetails.php |   32 +-
 lib/Models/Accounting/BatchPayments.php       |    2 +-
 lib/Models/Accounting/Bill.php                |   17 +-
 lib/Models/Accounting/BrandingTheme.php       |   37 +-
 lib/Models/Accounting/BrandingThemes.php      |    2 +-
 lib/Models/Accounting/Budget.php              |   37 +-
 lib/Models/Accounting/BudgetBalance.php       |   27 +-
 lib/Models/Accounting/BudgetLine.php          |   22 +-
 lib/Models/Accounting/Budgets.php             |    2 +-
 lib/Models/Accounting/CISOrgSetting.php       |   22 +-
 lib/Models/Accounting/CISOrgSettings.php      |    2 +-
 lib/Models/Accounting/CISSetting.php          |   17 +-
 lib/Models/Accounting/CISSettings.php         |    2 +-
 lib/Models/Accounting/Contact.php             |  222 +-
 lib/Models/Accounting/ContactGroup.php        |   27 +-
 lib/Models/Accounting/ContactGroups.php       |    2 +-
 lib/Models/Accounting/ContactPerson.php       |   27 +-
 lib/Models/Accounting/Contacts.php            |    2 +-
 lib/Models/Accounting/ConversionBalances.php  |   22 +-
 lib/Models/Accounting/ConversionDate.php      |   17 +-
 lib/Models/Accounting/CountryCode.php         |    2 +-
 lib/Models/Accounting/CreditNote.php          |  157 +-
 lib/Models/Accounting/CreditNotes.php         |    2 +-
 lib/Models/Accounting/Currencies.php          |    2 +-
 lib/Models/Accounting/Currency.php            |   17 +-
 lib/Models/Accounting/CurrencyCode.php        |    2 +-
 lib/Models/Accounting/Element.php             |   47 +-
 lib/Models/Accounting/Employee.php            |   47 +-
 lib/Models/Accounting/Employees.php           |    2 +-
 lib/Models/Accounting/Error.php               |   27 +-
 lib/Models/Accounting/ExpenseClaim.php        |   67 +-
 lib/Models/Accounting/ExpenseClaims.php       |    2 +-
 lib/Models/Accounting/ExternalLink.php        |   22 +-
 lib/Models/Accounting/HistoryRecord.php       |   27 +-
 lib/Models/Accounting/HistoryRecords.php      |    2 +-
 lib/Models/Accounting/ImportSummary.php       |   17 +-
 .../Accounting/ImportSummaryAccounts.php      |   52 +-
 lib/Models/Accounting/ImportSummaryObject.php |    2 +-
 .../Accounting/ImportSummaryOrganisation.php  |    2 +-
 lib/Models/Accounting/Invoice.php             |  207 +-
 lib/Models/Accounting/InvoiceReminder.php     |    2 +-
 lib/Models/Accounting/InvoiceReminders.php    |    2 +-
 lib/Models/Accounting/Invoices.php            |    2 +-
 lib/Models/Accounting/Item.php                |   87 +-
 lib/Models/Accounting/Items.php               |    2 +-
 lib/Models/Accounting/Journal.php             |   47 +-
 lib/Models/Accounting/JournalLine.php         |   67 +-
 lib/Models/Accounting/Journals.php            |    2 +-
 lib/Models/Accounting/LineAmountTypes.php     |    2 +-
 lib/Models/Accounting/LineItem.php            |   82 +-
 lib/Models/Accounting/LineItemItem.php        |   22 +-
 lib/Models/Accounting/LineItemTracking.php    |   27 +-
 lib/Models/Accounting/LinkedTransaction.php   |   62 +-
 lib/Models/Accounting/LinkedTransactions.php  |    2 +-
 lib/Models/Accounting/ManualJournal.php       |   77 +-
 lib/Models/Accounting/ManualJournalLine.php   |   47 +-
 lib/Models/Accounting/ManualJournals.php      |    2 +-
 lib/Models/Accounting/ModelInterface.php      |    2 +-
 lib/Models/Accounting/OnlineInvoice.php       |    2 +-
 lib/Models/Accounting/OnlineInvoices.php      |    2 +-
 lib/Models/Accounting/Organisation.php        |  172 +-
 lib/Models/Accounting/Organisations.php       |    2 +-
 lib/Models/Accounting/Overpayment.php         |  102 +-
 lib/Models/Accounting/Overpayments.php        |    2 +-
 lib/Models/Accounting/Payment.php             |  137 +-
 lib/Models/Accounting/PaymentDelete.php       |    2 +-
 lib/Models/Accounting/PaymentService.php      |   37 +-
 lib/Models/Accounting/PaymentServices.php     |    2 +-
 lib/Models/Accounting/PaymentTerm.php         |   17 +-
 lib/Models/Accounting/PaymentTermType.php     |    2 +-
 lib/Models/Accounting/Payments.php            |    2 +-
 lib/Models/Accounting/Phone.php               |   27 +-
 lib/Models/Accounting/Prepayment.php          |  107 +-
 lib/Models/Accounting/Prepayments.php         |    2 +-
 lib/Models/Accounting/Purchase.php            |   27 +-
 lib/Models/Accounting/PurchaseOrder.php       |  147 +-
 lib/Models/Accounting/PurchaseOrders.php      |    2 +-
 lib/Models/Accounting/Quote.php               |  127 +-
 .../Accounting/QuoteLineAmountTypes.php       |    2 +-
 lib/Models/Accounting/QuoteStatusCodes.php    |    2 +-
 lib/Models/Accounting/Quotes.php              |    2 +-
 lib/Models/Accounting/Receipt.php             |   97 +-
 lib/Models/Accounting/Receipts.php            |    2 +-
 lib/Models/Accounting/RepeatingInvoice.php    |   87 +-
 lib/Models/Accounting/RepeatingInvoices.php   |    2 +-
 lib/Models/Accounting/Report.php              |   37 +-
 lib/Models/Accounting/ReportAttribute.php     |   17 +-
 lib/Models/Accounting/ReportCell.php          |   17 +-
 lib/Models/Accounting/ReportFields.php        |   22 +-
 lib/Models/Accounting/ReportRow.php           |   22 +-
 lib/Models/Accounting/ReportRows.php          |   27 +-
 lib/Models/Accounting/ReportWithRow.php       |   52 +-
 lib/Models/Accounting/ReportWithRows.php      |    2 +-
 lib/Models/Accounting/Reports.php             |    2 +-
 lib/Models/Accounting/RequestEmpty.php        |    2 +-
 lib/Models/Accounting/RowType.php             |    2 +-
 .../Accounting/SalesTrackingCategory.php      |   17 +-
 lib/Models/Accounting/Schedule.php            |   42 +-
 lib/Models/Accounting/Setup.php               |   22 +-
 lib/Models/Accounting/TaxComponent.php        |   27 +-
 lib/Models/Accounting/TaxRate.php             |   67 +-
 lib/Models/Accounting/TaxRates.php            |    2 +-
 lib/Models/Accounting/TaxType.php             |    2 +-
 .../Accounting/TenNinetyNineContact.php       |  117 +-
 lib/Models/Accounting/TimeZone.php            |    2 +-
 lib/Models/Accounting/TrackingCategories.php  |    2 +-
 lib/Models/Accounting/TrackingCategory.php    |   37 +-
 lib/Models/Accounting/TrackingOption.php      |   27 +-
 lib/Models/Accounting/TrackingOptions.php     |    2 +-
 lib/Models/Accounting/User.php                |   42 +-
 lib/Models/Accounting/Users.php               |    2 +-
 lib/Models/Accounting/ValidationError.php     |    2 +-
 lib/Models/AppStore/ModelInterface.php        |    2 +-
 lib/Models/AppStore/Plan.php                  |   27 +-
 lib/Models/AppStore/Price.php                 |   22 +-
 lib/Models/AppStore/ProblemDetails.php        |   37 +-
 lib/Models/AppStore/Product.php               |   32 +-
 lib/Models/AppStore/Subscription.php          |   47 +-
 lib/Models/AppStore/SubscriptionItem.php      |   47 +-
 lib/Models/Asset/Asset.php                    |   87 +-
 lib/Models/Asset/AssetStatus.php              |    2 +-
 lib/Models/Asset/AssetStatusQueryParam.php    |    2 +-
 lib/Models/Asset/AssetType.php                |   42 +-
 lib/Models/Asset/Assets.php                   |   17 +-
 lib/Models/Asset/BookDepreciationDetail.php   |   42 +-
 lib/Models/Asset/BookDepreciationSetting.php  |   47 +-
 lib/Models/Asset/Error.php                    |   32 +-
 .../Asset/FieldValidationErrorsElement.php    |   37 +-
 lib/Models/Asset/ModelInterface.php           |    2 +-
 lib/Models/Asset/Pagination.php               |   27 +-
 .../Asset/ResourceValidationErrorsElement.php |   32 +-
 lib/Models/Asset/Setting.php                  |   47 +-
 lib/Models/File/Association.php               |   27 +-
 lib/Models/File/FileObject.php                |   47 +-
 lib/Models/File/Files.php                     |   27 +-
 lib/Models/File/Folder.php                    |   32 +-
 lib/Models/File/Folders.php                   |    2 +-
 lib/Models/File/ModelInterface.php            |    2 +-
 lib/Models/File/ObjectGroup.php               |    2 +-
 lib/Models/File/ObjectType.php                |    2 +-
 lib/Models/File/User.php                      |   32 +-
 lib/Models/Finance/AccountUsage.php           |   72 +-
 lib/Models/Finance/AccountUsageResponse.php   |   27 +-
 .../Finance/BalanceSheetAccountDetail.php     |   32 +-
 .../Finance/BalanceSheetAccountGroup.php      |   17 +-
 .../Finance/BalanceSheetAccountType.php       |   22 +-
 lib/Models/Finance/BalanceSheetResponse.php   |   27 +-
 .../BankStatementAccountingResponse.php       |   27 +-
 lib/Models/Finance/BankStatementResponse.php  |   17 +-
 .../Finance/BankTransactionResponse.php       |   37 +-
 lib/Models/Finance/CashAccountResponse.php    |   32 +-
 lib/Models/Finance/CashBalance.php            |   22 +-
 lib/Models/Finance/CashValidationResponse.php |   32 +-
 lib/Models/Finance/CashflowAccount.php        |   42 +-
 lib/Models/Finance/CashflowActivity.php       |   22 +-
 lib/Models/Finance/CashflowResponse.php       |   27 +-
 lib/Models/Finance/CashflowType.php           |   22 +-
 lib/Models/Finance/ContactDetail.php          |   37 +-
 lib/Models/Finance/ContactResponse.php        |   17 +-
 lib/Models/Finance/ContactTotalDetail.php     |   22 +-
 lib/Models/Finance/ContactTotalOther.php      |   27 +-
 lib/Models/Finance/CreditNoteResponse.php     |   27 +-
 .../Finance/CurrentStatementResponse.php      |   37 +-
 lib/Models/Finance/DataSourceResponse.php     |   82 +-
 lib/Models/Finance/HistoryRecordResponse.php  |   32 +-
 .../Finance/IncomeByContactResponse.php       |   42 +-
 lib/Models/Finance/InvoiceResponse.php        |   27 +-
 lib/Models/Finance/LineItemResponse.php       |   27 +-
 lib/Models/Finance/LockHistoryModel.php       |   22 +-
 lib/Models/Finance/LockHistoryResponse.php    |   22 +-
 lib/Models/Finance/ManualJournalTotal.php     |    2 +-
 lib/Models/Finance/ModelInterface.php         |    2 +-
 lib/Models/Finance/OverpaymentResponse.php    |   27 +-
 lib/Models/Finance/PaymentResponse.php        |   57 +-
 lib/Models/Finance/PnlAccount.php             |   37 +-
 lib/Models/Finance/PnlAccountClass.php        |   17 +-
 lib/Models/Finance/PnlAccountType.php         |   22 +-
 lib/Models/Finance/PracticeResponse.php       |   32 +-
 lib/Models/Finance/PrepaymentResponse.php     |   27 +-
 lib/Models/Finance/Problem.php                |   27 +-
 lib/Models/Finance/ProblemType.php            |    2 +-
 lib/Models/Finance/ProfitAndLossResponse.php  |   32 +-
 lib/Models/Finance/ReportHistoryModel.php     |   22 +-
 lib/Models/Finance/ReportHistoryResponse.php  |   22 +-
 .../Finance/StatementBalanceResponse.php      |   17 +-
 lib/Models/Finance/StatementLineResponse.php  |   72 +-
 lib/Models/Finance/StatementLinesResponse.php |   92 +-
 lib/Models/Finance/StatementResponse.php      |   37 +-
 lib/Models/Finance/TotalDetail.php            |   22 +-
 lib/Models/Finance/TotalOther.php             |   22 +-
 lib/Models/Finance/TrialBalanceAccount.php    |   57 +-
 lib/Models/Finance/TrialBalanceEntry.php      |   17 +-
 lib/Models/Finance/TrialBalanceMovement.php   |   27 +-
 lib/Models/Finance/TrialBalanceResponse.php   |   22 +-
 lib/Models/Finance/UserActivitiesResponse.php |   22 +-
 lib/Models/Finance/UserResponse.php           |   67 +-
 lib/Models/Identity/AccessToken.php           |   32 +-
 lib/Models/Identity/Connection.php            |   42 +-
 lib/Models/Identity/ModelInterface.php        |    2 +-
 lib/Models/Identity/RefreshToken.php          |   27 +-
 lib/Models/PayrollAu/APIException.php         |   22 +-
 lib/Models/PayrollAu/Account.php              |   27 +-
 lib/Models/PayrollAu/AccountType.php          |    2 +-
 lib/Models/PayrollAu/AllowanceCategory.php    |    2 +-
 lib/Models/PayrollAu/AllowanceType.php        |    2 +-
 lib/Models/PayrollAu/BankAccount.php          |   37 +-
 lib/Models/PayrollAu/CalendarType.php         |    2 +-
 lib/Models/PayrollAu/DeductionLine.php        |   32 +-
 lib/Models/PayrollAu/DeductionType.php        |   52 +-
 .../DeductionTypeCalculationType.php          |    2 +-
 lib/Models/PayrollAu/EarningsLine.php         |   52 +-
 lib/Models/PayrollAu/EarningsRate.php         |   97 +-
 .../PayrollAu/EarningsRateCalculationType.php |    2 +-
 lib/Models/PayrollAu/EarningsType.php         |    2 +-
 lib/Models/PayrollAu/Employee.php             |  167 +-
 lib/Models/PayrollAu/EmployeeStatus.php       |    2 +-
 lib/Models/PayrollAu/Employees.php            |    2 +-
 lib/Models/PayrollAu/EmploymentBasis.php      |    2 +-
 .../EmploymentTerminationPaymentType.php      |    2 +-
 .../EntitlementFinalPayPayoutType.php         |    2 +-
 lib/Models/PayrollAu/HomeAddress.php          |   37 +-
 lib/Models/PayrollAu/LeaveAccrualLine.php     |   22 +-
 lib/Models/PayrollAu/LeaveApplication.php     |   57 +-
 lib/Models/PayrollAu/LeaveApplications.php    |    2 +-
 lib/Models/PayrollAu/LeaveBalance.php         |   27 +-
 lib/Models/PayrollAu/LeaveEarningsLine.php    |   22 +-
 lib/Models/PayrollAu/LeaveLine.php            |   47 +-
 .../PayrollAu/LeaveLineCalculationType.php    |    2 +-
 lib/Models/PayrollAu/LeaveLines.php           |    2 +-
 lib/Models/PayrollAu/LeavePeriod.php          |   27 +-
 lib/Models/PayrollAu/LeavePeriodStatus.php    |    2 +-
 lib/Models/PayrollAu/LeaveType.php            |   52 +-
 .../PayrollAu/LeaveTypeContributionType.php   |    2 +-
 lib/Models/PayrollAu/ManualTaxType.php        |    2 +-
 lib/Models/PayrollAu/ModelInterface.php       |    2 +-
 lib/Models/PayrollAu/OpeningBalances.php      |   42 +-
 lib/Models/PayrollAu/PayItem.php              |   27 +-
 lib/Models/PayrollAu/PayItems.php             |    2 +-
 lib/Models/PayrollAu/PayRun.php               |   87 +-
 lib/Models/PayrollAu/PayRunStatus.php         |    2 +-
 lib/Models/PayrollAu/PayRuns.php              |    2 +-
 lib/Models/PayrollAu/PayTemplate.php          |   32 +-
 lib/Models/PayrollAu/PaymentFrequencyType.php |    2 +-
 lib/Models/PayrollAu/PayrollCalendar.php      |   47 +-
 lib/Models/PayrollAu/PayrollCalendars.php     |    2 +-
 lib/Models/PayrollAu/Payslip.php              |  102 +-
 lib/Models/PayrollAu/PayslipLines.php         |   47 +-
 lib/Models/PayrollAu/PayslipObject.php        |    2 +-
 lib/Models/PayrollAu/PayslipSummary.php       |   67 +-
 lib/Models/PayrollAu/Payslips.php             |    2 +-
 lib/Models/PayrollAu/RateType.php             |    2 +-
 lib/Models/PayrollAu/ReimbursementLine.php    |   27 +-
 lib/Models/PayrollAu/ReimbursementLines.php   |    2 +-
 lib/Models/PayrollAu/ReimbursementType.php    |   32 +-
 lib/Models/PayrollAu/ResidencyStatus.php      |    2 +-
 lib/Models/PayrollAu/Settings.php             |   22 +-
 lib/Models/PayrollAu/SettingsObject.php       |    2 +-
 .../PayrollAu/SettingsTrackingCategories.php  |   17 +-
 ...ttingsTrackingCategoriesEmployeeGroups.php |   17 +-
 ...sTrackingCategoriesTimesheetCategories.php |   17 +-
 lib/Models/PayrollAu/State.php                |    2 +-
 lib/Models/PayrollAu/SuperFund.php            |   72 +-
 lib/Models/PayrollAu/SuperFundProduct.php     |   27 +-
 lib/Models/PayrollAu/SuperFundProducts.php    |    2 +-
 lib/Models/PayrollAu/SuperFundType.php        |    2 +-
 lib/Models/PayrollAu/SuperFunds.php           |    2 +-
 lib/Models/PayrollAu/SuperLine.php            |   47 +-
 lib/Models/PayrollAu/SuperMembership.php      |   22 +-
 .../SuperannuationCalculationType.php         |    2 +-
 .../SuperannuationContributionType.php        |    2 +-
 lib/Models/PayrollAu/SuperannuationLine.php   |   52 +-
 lib/Models/PayrollAu/TFNExemptionType.php     |    2 +-
 lib/Models/PayrollAu/TaxDeclaration.php       |   87 +-
 lib/Models/PayrollAu/TaxLine.php              |   37 +-
 lib/Models/PayrollAu/Timesheet.php            |   52 +-
 lib/Models/PayrollAu/TimesheetLine.php        |   27 +-
 lib/Models/PayrollAu/TimesheetObject.php      |    2 +-
 lib/Models/PayrollAu/TimesheetStatus.php      |    2 +-
 lib/Models/PayrollAu/Timesheets.php           |    2 +-
 lib/Models/PayrollAu/ValidationError.php      |    2 +-
 lib/Models/PayrollNz/Account.php              |   27 +-
 lib/Models/PayrollNz/Accounts.php             |    2 +-
 lib/Models/PayrollNz/Address.php              |   37 +-
 lib/Models/PayrollNz/BankAccount.php          |   47 +-
 lib/Models/PayrollNz/Benefit.php              |   57 +-
 lib/Models/PayrollNz/CalendarType.php         |    2 +-
 lib/Models/PayrollNz/Deduction.php            |   37 +-
 lib/Models/PayrollNz/DeductionLine.php        |   32 +-
 lib/Models/PayrollNz/DeductionObject.php      |   22 +-
 lib/Models/PayrollNz/Deductions.php           |   22 +-
 lib/Models/PayrollNz/EarningsLine.php         |   57 +-
 lib/Models/PayrollNz/EarningsOrder.php        |   32 +-
 lib/Models/PayrollNz/EarningsOrderObject.php  |   22 +-
 lib/Models/PayrollNz/EarningsOrders.php       |   22 +-
 lib/Models/PayrollNz/EarningsRate.php         |   57 +-
 lib/Models/PayrollNz/EarningsRateObject.php   |   22 +-
 lib/Models/PayrollNz/EarningsRates.php        |   22 +-
 lib/Models/PayrollNz/EarningsTemplate.php     |   37 +-
 .../PayrollNz/EarningsTemplateObject.php      |   22 +-
 lib/Models/PayrollNz/Employee.php             |   77 +-
 .../PayrollNz/EmployeeEarningsTemplates.php   |   22 +-
 lib/Models/PayrollNz/EmployeeLeave.php        |   42 +-
 lib/Models/PayrollNz/EmployeeLeaveBalance.php |   27 +-
 .../PayrollNz/EmployeeLeaveBalances.php       |   22 +-
 lib/Models/PayrollNz/EmployeeLeaveObject.php  |   22 +-
 lib/Models/PayrollNz/EmployeeLeaveSetup.php   |   42 +-
 .../PayrollNz/EmployeeLeaveSetupObject.php    |   22 +-
 lib/Models/PayrollNz/EmployeeLeaveType.php    |   57 +-
 .../PayrollNz/EmployeeLeaveTypeObject.php     |   22 +-
 lib/Models/PayrollNz/EmployeeLeaveTypes.php   |   22 +-
 lib/Models/PayrollNz/EmployeeLeaves.php       |   22 +-
 lib/Models/PayrollNz/EmployeeObject.php       |   22 +-
 .../PayrollNz/EmployeeOpeningBalance.php      |   27 +-
 .../EmployeeOpeningBalancesObject.php         |   22 +-
 lib/Models/PayrollNz/EmployeePayTemplate.php  |   17 +-
 .../PayrollNz/EmployeePayTemplateObject.php   |   22 +-
 lib/Models/PayrollNz/EmployeePayTemplates.php |   22 +-
 .../EmployeeStatutoryLeaveBalance.php         |   22 +-
 .../EmployeeStatutoryLeaveBalanceObject.php   |   22 +-
 .../EmployeeStatutoryLeaveSummary.php         |   42 +-
 .../EmployeeStatutoryLeavesSummaries.php      |   22 +-
 .../PayrollNz/EmployeeStatutorySickLeave.php  |   87 +-
 .../EmployeeStatutorySickLeaveObject.php      |   22 +-
 .../PayrollNz/EmployeeStatutorySickLeaves.php |   22 +-
 lib/Models/PayrollNz/EmployeeTax.php          |   87 +-
 lib/Models/PayrollNz/EmployeeTaxObject.php    |   22 +-
 lib/Models/PayrollNz/Employees.php            |   22 +-
 lib/Models/PayrollNz/Employment.php           |   22 +-
 lib/Models/PayrollNz/EmploymentObject.php     |   22 +-
 lib/Models/PayrollNz/GrossEarningsHistory.php |   17 +-
 lib/Models/PayrollNz/InvalidField.php         |   17 +-
 lib/Models/PayrollNz/LeaveAccrualLine.php     |   17 +-
 lib/Models/PayrollNz/LeaveEarningsLine.php    |   57 +-
 lib/Models/PayrollNz/LeavePeriod.php          |   27 +-
 lib/Models/PayrollNz/LeavePeriods.php         |   22 +-
 lib/Models/PayrollNz/LeaveType.php            |   37 +-
 lib/Models/PayrollNz/LeaveTypeObject.php      |   22 +-
 lib/Models/PayrollNz/LeaveTypes.php           |   22 +-
 lib/Models/PayrollNz/ModelInterface.php       |    2 +-
 lib/Models/PayrollNz/Pagination.php           |   27 +-
 lib/Models/PayrollNz/PayRun.php               |   67 +-
 lib/Models/PayrollNz/PayRunCalendar.php       |   42 +-
 lib/Models/PayrollNz/PayRunCalendarObject.php |   22 +-
 lib/Models/PayrollNz/PayRunCalendars.php      |   22 +-
 lib/Models/PayrollNz/PayRunObject.php         |   22 +-
 lib/Models/PayrollNz/PayRuns.php              |   22 +-
 lib/Models/PayrollNz/PaySlip.php              |  157 +-
 lib/Models/PayrollNz/PaySlipObject.php        |   22 +-
 lib/Models/PayrollNz/PaySlips.php             |   22 +-
 lib/Models/PayrollNz/PaymentLine.php          |   32 +-
 lib/Models/PayrollNz/PaymentMethod.php        |   17 +-
 lib/Models/PayrollNz/PaymentMethodObject.php  |   22 +-
 lib/Models/PayrollNz/Problem.php              |   37 +-
 lib/Models/PayrollNz/Reimbursement.php        |   52 +-
 lib/Models/PayrollNz/ReimbursementLine.php    |   32 +-
 lib/Models/PayrollNz/ReimbursementObject.php  |   22 +-
 lib/Models/PayrollNz/Reimbursements.php       |   22 +-
 lib/Models/PayrollNz/SalaryAndWage.php        |   57 +-
 lib/Models/PayrollNz/SalaryAndWageObject.php  |   22 +-
 lib/Models/PayrollNz/SalaryAndWages.php       |   22 +-
 lib/Models/PayrollNz/Settings.php             |   22 +-
 lib/Models/PayrollNz/StatutoryDeduction.php   |   32 +-
 .../PayrollNz/StatutoryDeductionCategory.php  |    2 +-
 .../PayrollNz/StatutoryDeductionLine.php      |   27 +-
 .../PayrollNz/StatutoryDeductionObject.php    |   22 +-
 lib/Models/PayrollNz/StatutoryDeductions.php  |   22 +-
 lib/Models/PayrollNz/SuperannuationLine.php   |   37 +-
 lib/Models/PayrollNz/SuperannuationObject.php |   22 +-
 lib/Models/PayrollNz/Superannuations.php      |   22 +-
 lib/Models/PayrollNz/TaxCode.php              |    2 +-
 lib/Models/PayrollNz/TaxLine.php              |   32 +-
 lib/Models/PayrollNz/TaxSettings.php          |   37 +-
 lib/Models/PayrollNz/Timesheet.php            |   52 +-
 .../PayrollNz/TimesheetEarningsLine.php       |   57 +-
 lib/Models/PayrollNz/TimesheetLine.php        |   32 +-
 lib/Models/PayrollNz/TimesheetLineObject.php  |   22 +-
 lib/Models/PayrollNz/TimesheetObject.php      |   22 +-
 lib/Models/PayrollNz/Timesheets.php           |   22 +-
 lib/Models/PayrollNz/TrackingCategories.php   |   22 +-
 lib/Models/PayrollNz/TrackingCategory.php     |   17 +-
 lib/Models/PayrollUk/Account.php              |   27 +-
 lib/Models/PayrollUk/Accounts.php             |    2 +-
 lib/Models/PayrollUk/Address.php              |   32 +-
 lib/Models/PayrollUk/BankAccount.php          |   22 +-
 lib/Models/PayrollUk/Benefit.php              |   77 +-
 lib/Models/PayrollUk/BenefitLine.php          |   32 +-
 lib/Models/PayrollUk/BenefitObject.php        |   22 +-
 lib/Models/PayrollUk/Benefits.php             |   22 +-
 lib/Models/PayrollUk/CourtOrderLine.php       |   17 +-
 lib/Models/PayrollUk/Deduction.php            |   87 +-
 lib/Models/PayrollUk/DeductionLine.php        |   27 +-
 lib/Models/PayrollUk/DeductionObject.php      |   22 +-
 lib/Models/PayrollUk/Deductions.php           |   22 +-
 lib/Models/PayrollUk/EarningsLine.php         |   52 +-
 lib/Models/PayrollUk/EarningsOrder.php        |   32 +-
 lib/Models/PayrollUk/EarningsOrderObject.php  |   22 +-
 lib/Models/PayrollUk/EarningsOrders.php       |   22 +-
 lib/Models/PayrollUk/EarningsRate.php         |   57 +-
 lib/Models/PayrollUk/EarningsRateObject.php   |   22 +-
 lib/Models/PayrollUk/EarningsRates.php        |   22 +-
 lib/Models/PayrollUk/EarningsTemplate.php     |   37 +-
 .../PayrollUk/EarningsTemplateObject.php      |   22 +-
 lib/Models/PayrollUk/Employee.php             |   87 +-
 lib/Models/PayrollUk/EmployeeLeave.php        |   42 +-
 lib/Models/PayrollUk/EmployeeLeaveBalance.php |   27 +-
 .../PayrollUk/EmployeeLeaveBalances.php       |   22 +-
 lib/Models/PayrollUk/EmployeeLeaveObject.php  |   22 +-
 lib/Models/PayrollUk/EmployeeLeaveType.php    |   37 +-
 .../PayrollUk/EmployeeLeaveTypeObject.php     |   22 +-
 lib/Models/PayrollUk/EmployeeLeaveTypes.php   |   22 +-
 lib/Models/PayrollUk/EmployeeLeaves.php       |   22 +-
 lib/Models/PayrollUk/EmployeeObject.php       |   22 +-
 .../PayrollUk/EmployeeOpeningBalances.php     |   37 +-
 .../EmployeeOpeningBalancesObject.php         |   22 +-
 lib/Models/PayrollUk/EmployeePayTemplate.php  |   17 +-
 .../PayrollUk/EmployeePayTemplateObject.php   |   22 +-
 lib/Models/PayrollUk/EmployeePayTemplates.php |   22 +-
 .../EmployeeStatutoryLeaveBalance.php         |   22 +-
 .../EmployeeStatutoryLeaveBalanceObject.php   |   22 +-
 .../EmployeeStatutoryLeaveSummary.php         |   42 +-
 .../EmployeeStatutoryLeavesSummaries.php      |   22 +-
 .../PayrollUk/EmployeeStatutorySickLeave.php  |   87 +-
 .../EmployeeStatutorySickLeaveObject.php      |   22 +-
 .../PayrollUk/EmployeeStatutorySickLeaves.php |   22 +-
 lib/Models/PayrollUk/EmployeeTax.php          |   62 +-
 lib/Models/PayrollUk/EmployeeTaxObject.php    |   22 +-
 lib/Models/PayrollUk/Employees.php            |   22 +-
 lib/Models/PayrollUk/Employment.php           |   27 +-
 lib/Models/PayrollUk/EmploymentObject.php     |   22 +-
 lib/Models/PayrollUk/InvalidField.php         |   17 +-
 lib/Models/PayrollUk/LeaveAccrualLine.php     |   17 +-
 lib/Models/PayrollUk/LeaveEarningsLine.php    |   37 +-
 lib/Models/PayrollUk/LeavePeriod.php          |   27 +-
 lib/Models/PayrollUk/LeavePeriods.php         |   22 +-
 lib/Models/PayrollUk/LeaveType.php            |   47 +-
 lib/Models/PayrollUk/LeaveTypeObject.php      |   22 +-
 lib/Models/PayrollUk/LeaveTypes.php           |   22 +-
 lib/Models/PayrollUk/ModelInterface.php       |    2 +-
 lib/Models/PayrollUk/Pagination.php           |   27 +-
 lib/Models/PayrollUk/PayRun.php               |   67 +-
 lib/Models/PayrollUk/PayRunCalendar.php       |   42 +-
 lib/Models/PayrollUk/PayRunCalendarObject.php |   22 +-
 lib/Models/PayrollUk/PayRunCalendars.php      |   22 +-
 lib/Models/PayrollUk/PayRunObject.php         |   22 +-
 lib/Models/PayrollUk/PayRuns.php              |   22 +-
 lib/Models/PayrollUk/PaymentLine.php          |   32 +-
 lib/Models/PayrollUk/PaymentMethod.php        |   17 +-
 lib/Models/PayrollUk/PaymentMethodObject.php  |   22 +-
 lib/Models/PayrollUk/Payslip.php              |  147 +-
 lib/Models/PayrollUk/PayslipObject.php        |   22 +-
 lib/Models/PayrollUk/Payslips.php             |   22 +-
 lib/Models/PayrollUk/Problem.php              |   37 +-
 lib/Models/PayrollUk/Reimbursement.php        |   27 +-
 lib/Models/PayrollUk/ReimbursementLine.php    |   22 +-
 lib/Models/PayrollUk/ReimbursementObject.php  |   22 +-
 lib/Models/PayrollUk/Reimbursements.php       |   22 +-
 lib/Models/PayrollUk/SalaryAndWage.php        |   52 +-
 lib/Models/PayrollUk/SalaryAndWageObject.php  |   22 +-
 lib/Models/PayrollUk/SalaryAndWages.php       |   22 +-
 lib/Models/PayrollUk/Settings.php             |   22 +-
 lib/Models/PayrollUk/StatutoryDeduction.php   |   32 +-
 .../PayrollUk/StatutoryDeductionCategory.php  |    2 +-
 lib/Models/PayrollUk/TaxLine.php              |   37 +-
 lib/Models/PayrollUk/Timesheet.php            |   52 +-
 .../PayrollUk/TimesheetEarningsLine.php       |   37 +-
 lib/Models/PayrollUk/TimesheetLine.php        |   32 +-
 lib/Models/PayrollUk/TimesheetLineObject.php  |   22 +-
 lib/Models/PayrollUk/TimesheetObject.php      |   22 +-
 lib/Models/PayrollUk/Timesheets.php           |   22 +-
 lib/Models/PayrollUk/TrackingCategories.php   |   22 +-
 lib/Models/PayrollUk/TrackingCategory.php     |   17 +-
 lib/Models/Project/Amount.php                 |   17 +-
 lib/Models/Project/ChargeType.php             |    2 +-
 lib/Models/Project/CurrencyCode.php           |    2 +-
 lib/Models/Project/Error.php                  |   17 +-
 lib/Models/Project/ModelInterface.php         |    2 +-
 lib/Models/Project/Pagination.php             |   27 +-
 lib/Models/Project/Project.php                |  117 +-
 lib/Models/Project/ProjectCreateOrUpdate.php  |   27 +-
 lib/Models/Project/ProjectPatch.php           |    2 +-
 lib/Models/Project/ProjectStatus.php          |    2 +-
 lib/Models/Project/ProjectUser.php            |   22 +-
 lib/Models/Project/ProjectUsers.php           |   17 +-
 lib/Models/Project/Projects.php               |   17 +-
 lib/Models/Project/Task.php                   |   82 +-
 lib/Models/Project/TaskCreateOrUpdate.php     |   29 +-
 lib/Models/Project/Tasks.php                  |   17 +-
 lib/Models/Project/TimeEntries.php            |   17 +-
 lib/Models/Project/TimeEntry.php              |   52 +-
 .../Project/TimeEntryCreateOrUpdate.php       |   32 +-
 lib/PayrollAuObjectSerializer.php             |    6 +-
 lib/PayrollNzObjectSerializer.php             |    6 +-
 lib/PayrollUkObjectSerializer.php             |    6 +-
 lib/ProjectObjectSerializer.php               |    6 +-
 540 files changed, 16512 insertions(+), 6381 deletions(-)

diff --git a/docs/v2/accounting/index.html b/docs/v2/accounting/index.html
index b880ca70..c3c37b52 100644
--- a/docs/v2/accounting/index.html
+++ b/docs/v2/accounting/index.html
@@ -6007,7 +6007,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Accounting"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Accounting"><strong>VSN: </strong>2.12.2</li>
+              <li class="nav-header" data-group="Accounting"><strong>VSN: </strong>2.13.0</li>
               <li class="nav-header" data-group="Accounting"><a href="#api-Accounting">Methods</a></li>
               <li data-group="Accounting" data-name="createAccount" class="">
                 <a href="#api-Accounting-createAccount">createAccount</a>
diff --git a/docs/v2/appstore/index.html b/docs/v2/appstore/index.html
index 3041169f..6684b131 100644
--- a/docs/v2/appstore/index.html
+++ b/docs/v2/appstore/index.html
@@ -951,14 +951,18 @@
       "type" : "string",
       "description" : "The name of the product"
     },
+    "seatUnit" : {
+      "type" : "string",
+      "description" : "The unit of the per seat product. e.g. \"user\", \"organisation\", \"SMS\", etc"
+    },
     "type" : {
       "type" : "string",
-      "description" : "The pricing model of the product:\n* FIXED: Customers are charged a fixed amount for each billing period\n* PER_SEAT: Customers are charged based on the number of units they purchase\n",
-      "enum" : [ "FIXED", "PER_SEAT" ]
+      "description" : "The pricing model of the product:\n* FIXED: Customers are charged a fixed amount for each billing period\n* PER_SEAT: Customers are charged based on the number of units they purchase\n* METERED: Customers are charged per use of this product\n",
+      "enum" : [ "FIXED", "PER_SEAT", "METERED" ]
     },
-    "seatUnit" : {
+    "usageUnit" : {
       "type" : "string",
-      "description" : "The unit of the per seat product. e.g. \"user\", \"organisation\", \"SMS\", etc"
+      "description" : "The unit of the usage product. e.g. \"user\", \"minutes\", \"SMS\", etc"
     }
   },
   "description" : ""
@@ -1033,6 +1037,10 @@
     "product" : {
       "$ref" : "#/components/schemas/Product"
     },
+    "quantity" : {
+      "type" : "integer",
+      "description" : "The quantity of the item. For a fixed product, it is 1. For a per-seat product, it is a positive integer. For metered products, it is always null."
+    },
     "startDate" : {
       "type" : "string",
       "description" : "Date the subscription started, or will start. Note: this could be in\nthe future for downgrades or reduced number of seats that haven't taken effect yet.\n",
@@ -1132,7 +1140,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="AppStore"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="AppStore"><strong>VSN: </strong>2.12.2</li>
+              <li class="nav-header" data-group="AppStore"><strong>VSN: </strong>2.13.0</li>
               <li class="nav-header" data-group="AppStore"><a href="#api-AppStore">Methods</a></li>
               <li data-group="AppStore" data-name="getSubscription" class="">
                 <a href="#api-AppStore-getSubscription">getSubscription</a>
diff --git a/docs/v2/assets/index.html b/docs/v2/assets/index.html
index 2f57ff16..ce0bded7 100644
--- a/docs/v2/assets/index.html
+++ b/docs/v2/assets/index.html
@@ -1391,7 +1391,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Asset"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Asset"><strong>VSN: </strong>2.12.2</li>
+              <li class="nav-header" data-group="Asset"><strong>VSN: </strong>2.13.0</li>
               <li class="nav-header" data-group="Asset"><a href="#api-Asset">Methods</a></li>
               <li data-group="Asset" data-name="createAsset" class="">
                 <a href="#api-Asset-createAsset">createAsset</a>
diff --git a/docs/v2/files/index.html b/docs/v2/files/index.html
index cb9f1bb6..6e1d1078 100644
--- a/docs/v2/files/index.html
+++ b/docs/v2/files/index.html
@@ -1154,7 +1154,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Files"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Files"><strong>VSN: </strong>2.12.2</li>
+              <li class="nav-header" data-group="Files"><strong>VSN: </strong>2.13.0</li>
               <li class="nav-header" data-group="Files"><a href="#api-Files">Methods</a></li>
               <li data-group="Files" data-name="createFileAssociation" class="">
                 <a href="#api-Files-createFileAssociation">createFileAssociation</a>
diff --git a/docs/v2/finance/index.html b/docs/v2/finance/index.html
index 277c8263..d2f5da19 100644
--- a/docs/v2/finance/index.html
+++ b/docs/v2/finance/index.html
@@ -2705,7 +2705,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Finance"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Finance"><strong>VSN: </strong>2.12.2</li>
+              <li class="nav-header" data-group="Finance"><strong>VSN: </strong>2.13.0</li>
               <li class="nav-header" data-group="Finance"><a href="#api-Finance">Methods</a></li>
               <li data-group="Finance" data-name="getAccountingActivityAccountUsage" class="">
                 <a href="#api-Finance-getAccountingActivityAccountUsage">getAccountingActivityAccountUsage</a>
diff --git a/docs/v2/payroll_au/index.html b/docs/v2/payroll_au/index.html
index 05d9c448..b7a94c8e 100644
--- a/docs/v2/payroll_au/index.html
+++ b/docs/v2/payroll_au/index.html
@@ -3253,7 +3253,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="PayrollAu"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="PayrollAu"><strong>VSN: </strong>2.12.2</li>
+              <li class="nav-header" data-group="PayrollAu"><strong>VSN: </strong>2.13.0</li>
               <li class="nav-header" data-group="PayrollAu"><a href="#api-PayrollAu">Methods</a></li>
               <li data-group="PayrollAu" data-name="createEmployee" class="">
                 <a href="#api-PayrollAu-createEmployee">createEmployee</a>
diff --git a/docs/v2/payroll_nz/index.html b/docs/v2/payroll_nz/index.html
index b98f2040..7d2f23a3 100644
--- a/docs/v2/payroll_nz/index.html
+++ b/docs/v2/payroll_nz/index.html
@@ -3837,7 +3837,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="PayrollNz"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="PayrollNz"><strong>VSN: </strong>2.12.2</li>
+              <li class="nav-header" data-group="PayrollNz"><strong>VSN: </strong>2.13.0</li>
               <li class="nav-header" data-group="PayrollNz"><a href="#api-PayrollNz">Methods</a></li>
               <li data-group="PayrollNz" data-name="approveTimesheet" class="">
                 <a href="#api-PayrollNz-approveTimesheet">approveTimesheet</a>
diff --git a/docs/v2/payroll_uk/index.html b/docs/v2/payroll_uk/index.html
index e62272b7..ef58eb63 100644
--- a/docs/v2/payroll_uk/index.html
+++ b/docs/v2/payroll_uk/index.html
@@ -3509,7 +3509,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="PayrollUk"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="PayrollUk"><strong>VSN: </strong>2.12.2</li>
+              <li class="nav-header" data-group="PayrollUk"><strong>VSN: </strong>2.13.0</li>
               <li class="nav-header" data-group="PayrollUk"><a href="#api-PayrollUk">Methods</a></li>
               <li data-group="PayrollUk" data-name="approveTimesheet" class="">
                 <a href="#api-PayrollUk-approveTimesheet">approveTimesheet</a>
diff --git a/docs/v2/projects/index.html b/docs/v2/projects/index.html
index 6df59dae..bf26dcb0 100644
--- a/docs/v2/projects/index.html
+++ b/docs/v2/projects/index.html
@@ -1467,7 +1467,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Project"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Project"><strong>VSN: </strong>2.12.2</li>
+              <li class="nav-header" data-group="Project"><strong>VSN: </strong>2.13.0</li>
               <li class="nav-header" data-group="Project"><a href="#api-Project">Methods</a></li>
               <li data-group="Project" data-name="createProject" class="">
                 <a href="#api-Project-createProject">createProject</a>
diff --git a/lib/AccountingObjectSerializer.php b/lib/AccountingObjectSerializer.php
index ef45f024..d41e47e1 100644
--- a/lib/AccountingObjectSerializer.php
+++ b/lib/AccountingObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {
diff --git a/lib/Api/AccountingApi.php b/lib/Api/AccountingApi.php
index 72a01c81..c150263b 100644
--- a/lib/Api/AccountingApi.php
+++ b/lib/Api/AccountingApi.php
@@ -17,7 +17,7 @@
  * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
@@ -94,9 +94,9 @@ public function getConfig()
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Accounts|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createAccount($xero_tenant_id$account)
+    public function createAccount($xero_tenant_id, $account)
     {
-        list($response) = $this->createAccountWithHttpInfo($xero_tenant_id$account);
+        list($response) = $this->createAccountWithHttpInfo($xero_tenant_id, $account);
         return $response;
     }
     /**
@@ -108,9 +108,9 @@ public function createAccount($xero_tenant_id$account)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Accounts|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createAccountWithHttpInfo($xero_tenant_id$account)
+    public function createAccountWithHttpInfo($xero_tenant_id, $account)
     {
-        $request = $this->createAccountRequest($xero_tenant_id$account);
+        $request = $this->createAccountRequest($xero_tenant_id, $account);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -203,9 +203,9 @@ public function createAccountWithHttpInfo($xero_tenant_id$account)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createAccountAsync($xero_tenant_id$account)
+    public function createAccountAsync($xero_tenant_id, $account)
     {
-        return $this->createAccountAsyncWithHttpInfo($xero_tenant_id$account)
+        return $this->createAccountAsyncWithHttpInfo($xero_tenant_id, $account)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -219,10 +219,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Account $account Account object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createAccountAsyncWithHttpInfo($xero_tenant_id$account)
+    public function createAccountAsyncWithHttpInfo($xero_tenant_id, $account)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Accounts';
-        $request = $this->createAccountRequest($xero_tenant_id$account);
+        $request = $this->createAccountRequest($xero_tenant_id, $account);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -262,7 +262,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Account $account Account object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createAccountRequest($xero_tenant_id$account)
+    protected function createAccountRequest($xero_tenant_id, $account)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -360,9 +360,9 @@ protected function createAccountRequest($xero_tenant_id$account)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createAccountAttachmentByFileName($xero_tenant_id$account_id$file_name$body)
+    public function createAccountAttachmentByFileName($xero_tenant_id, $account_id, $file_name, $body)
     {
-        list($response) = $this->createAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id$account_id$file_name$body);
+        list($response) = $this->createAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id, $account_id, $file_name, $body);
         return $response;
     }
     /**
@@ -376,9 +376,9 @@ public function createAccountAttachmentByFileName($xero_tenant_id$account_id$fil
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id$account_id$file_name$body)
+    public function createAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id, $account_id, $file_name, $body)
     {
-        $request = $this->createAccountAttachmentByFileNameRequest($xero_tenant_id$account_id$file_name$body);
+        $request = $this->createAccountAttachmentByFileNameRequest($xero_tenant_id, $account_id, $file_name, $body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -473,9 +473,9 @@ public function createAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id$ac
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createAccountAttachmentByFileNameAsync($xero_tenant_id$account_id$file_name$body)
+    public function createAccountAttachmentByFileNameAsync($xero_tenant_id, $account_id, $file_name, $body)
     {
-        return $this->createAccountAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$account_id$file_name$body)
+        return $this->createAccountAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $account_id, $file_name, $body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -491,10 +491,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createAccountAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$account_id$file_name$body)
+    public function createAccountAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $account_id, $file_name, $body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->createAccountAttachmentByFileNameRequest($xero_tenant_id$account_id$file_name$body);
+        $request = $this->createAccountAttachmentByFileNameRequest($xero_tenant_id, $account_id, $file_name, $body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -536,7 +536,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createAccountAttachmentByFileNameRequest($xero_tenant_id$account_id$file_name$body)
+    protected function createAccountAttachmentByFileNameRequest($xero_tenant_id, $account_id, $file_name, $body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -662,9 +662,9 @@ protected function createAccountAttachmentByFileNameRequest($xero_tenant_id$acco
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createBankTransactionAttachmentByFileName($xero_tenant_id$bank_transaction_id$file_name$body)
+    public function createBankTransactionAttachmentByFileName($xero_tenant_id, $bank_transaction_id, $file_name, $body)
     {
-        list($response) = $this->createBankTransactionAttachmentByFileNameWithHttpInfo($xero_tenant_id$bank_transaction_id$file_name$body);
+        list($response) = $this->createBankTransactionAttachmentByFileNameWithHttpInfo($xero_tenant_id, $bank_transaction_id, $file_name, $body);
         return $response;
     }
     /**
@@ -678,9 +678,9 @@ public function createBankTransactionAttachmentByFileName($xero_tenant_id$bank_t
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createBankTransactionAttachmentByFileNameWithHttpInfo($xero_tenant_id$bank_transaction_id$file_name$body)
+    public function createBankTransactionAttachmentByFileNameWithHttpInfo($xero_tenant_id, $bank_transaction_id, $file_name, $body)
     {
-        $request = $this->createBankTransactionAttachmentByFileNameRequest($xero_tenant_id$bank_transaction_id$file_name$body);
+        $request = $this->createBankTransactionAttachmentByFileNameRequest($xero_tenant_id, $bank_transaction_id, $file_name, $body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -775,9 +775,9 @@ public function createBankTransactionAttachmentByFileNameWithHttpInfo($xero_tena
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createBankTransactionAttachmentByFileNameAsync($xero_tenant_id$bank_transaction_id$file_name$body)
+    public function createBankTransactionAttachmentByFileNameAsync($xero_tenant_id, $bank_transaction_id, $file_name, $body)
     {
-        return $this->createBankTransactionAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$file_name$body)
+        return $this->createBankTransactionAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $file_name, $body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -793,10 +793,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createBankTransactionAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$file_name$body)
+    public function createBankTransactionAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $file_name, $body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->createBankTransactionAttachmentByFileNameRequest($xero_tenant_id$bank_transaction_id$file_name$body);
+        $request = $this->createBankTransactionAttachmentByFileNameRequest($xero_tenant_id, $bank_transaction_id, $file_name, $body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -838,7 +838,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createBankTransactionAttachmentByFileNameRequest($xero_tenant_id$bank_transaction_id$file_name$body)
+    protected function createBankTransactionAttachmentByFileNameRequest($xero_tenant_id, $bank_transaction_id, $file_name, $body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -963,9 +963,9 @@ protected function createBankTransactionAttachmentByFileNameRequest($xero_tenant
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createBankTransactionHistoryRecord($xero_tenant_id$bank_transaction_id$history_records)
+    public function createBankTransactionHistoryRecord($xero_tenant_id, $bank_transaction_id, $history_records)
     {
-        list($response) = $this->createBankTransactionHistoryRecordWithHttpInfo($xero_tenant_id$bank_transaction_id$history_records);
+        list($response) = $this->createBankTransactionHistoryRecordWithHttpInfo($xero_tenant_id, $bank_transaction_id, $history_records);
         return $response;
     }
     /**
@@ -978,9 +978,9 @@ public function createBankTransactionHistoryRecord($xero_tenant_id$bank_transact
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createBankTransactionHistoryRecordWithHttpInfo($xero_tenant_id$bank_transaction_id$history_records)
+    public function createBankTransactionHistoryRecordWithHttpInfo($xero_tenant_id, $bank_transaction_id, $history_records)
     {
-        $request = $this->createBankTransactionHistoryRecordRequest($xero_tenant_id$bank_transaction_id$history_records);
+        $request = $this->createBankTransactionHistoryRecordRequest($xero_tenant_id, $bank_transaction_id, $history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1074,9 +1074,9 @@ public function createBankTransactionHistoryRecordWithHttpInfo($xero_tenant_id$b
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createBankTransactionHistoryRecordAsync($xero_tenant_id$bank_transaction_id$history_records)
+    public function createBankTransactionHistoryRecordAsync($xero_tenant_id, $bank_transaction_id, $history_records)
     {
-        return $this->createBankTransactionHistoryRecordAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$history_records)
+        return $this->createBankTransactionHistoryRecordAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1091,10 +1091,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createBankTransactionHistoryRecordAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$history_records)
+    public function createBankTransactionHistoryRecordAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createBankTransactionHistoryRecordRequest($xero_tenant_id$bank_transaction_id$history_records);
+        $request = $this->createBankTransactionHistoryRecordRequest($xero_tenant_id, $bank_transaction_id, $history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1135,7 +1135,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createBankTransactionHistoryRecordRequest($xero_tenant_id$bank_transaction_id$history_records)
+    protected function createBankTransactionHistoryRecordRequest($xero_tenant_id, $bank_transaction_id, $history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1247,9 +1247,9 @@ protected function createBankTransactionHistoryRecordRequest($xero_tenant_id$ban
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\BankTransactions|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createBankTransactions($xero_tenant_id$bank_transactions$summarize_errors = false$unitdp = null)
+    public function createBankTransactions($xero_tenant_id, $bank_transactions, $summarize_errors = false, $unitdp = null)
     {
-        list($response) = $this->createBankTransactionsWithHttpInfo($xero_tenant_id$bank_transactions$summarize_errors$unitdp);
+        list($response) = $this->createBankTransactionsWithHttpInfo($xero_tenant_id, $bank_transactions, $summarize_errors, $unitdp);
         return $response;
     }
     /**
@@ -1263,9 +1263,9 @@ public function createBankTransactions($xero_tenant_id$bank_transactions$summari
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\BankTransactions|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createBankTransactionsWithHttpInfo($xero_tenant_id$bank_transactions$summarize_errors = false$unitdp = null)
+    public function createBankTransactionsWithHttpInfo($xero_tenant_id, $bank_transactions, $summarize_errors = false, $unitdp = null)
     {
-        $request = $this->createBankTransactionsRequest($xero_tenant_id$bank_transactions$summarize_errors$unitdp);
+        $request = $this->createBankTransactionsRequest($xero_tenant_id, $bank_transactions, $summarize_errors, $unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1360,9 +1360,9 @@ public function createBankTransactionsWithHttpInfo($xero_tenant_id$bank_transact
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createBankTransactionsAsync($xero_tenant_id$bank_transactions$summarize_errors = false$unitdp = null)
+    public function createBankTransactionsAsync($xero_tenant_id, $bank_transactions, $summarize_errors = false, $unitdp = null)
     {
-        return $this->createBankTransactionsAsyncWithHttpInfo($xero_tenant_id$bank_transactions$summarize_errors$unitdp)
+        return $this->createBankTransactionsAsyncWithHttpInfo($xero_tenant_id, $bank_transactions, $summarize_errors, $unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1378,10 +1378,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createBankTransactionsAsyncWithHttpInfo($xero_tenant_id$bank_transactions$summarize_errors = false$unitdp = null)
+    public function createBankTransactionsAsyncWithHttpInfo($xero_tenant_id, $bank_transactions, $summarize_errors = false, $unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\BankTransactions';
-        $request = $this->createBankTransactionsRequest($xero_tenant_id$bank_transactions$summarize_errors$unitdp);
+        $request = $this->createBankTransactionsRequest($xero_tenant_id, $bank_transactions, $summarize_errors, $unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1423,7 +1423,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createBankTransactionsRequest($xero_tenant_id$bank_transactions$summarize_errors = false$unitdp = null)
+    protected function createBankTransactionsRequest($xero_tenant_id, $bank_transactions, $summarize_errors = false, $unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1527,9 +1527,9 @@ protected function createBankTransactionsRequest($xero_tenant_id$bank_transactio
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\BankTransfers|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createBankTransfer($xero_tenant_id$bank_transfers)
+    public function createBankTransfer($xero_tenant_id, $bank_transfers)
     {
-        list($response) = $this->createBankTransferWithHttpInfo($xero_tenant_id$bank_transfers);
+        list($response) = $this->createBankTransferWithHttpInfo($xero_tenant_id, $bank_transfers);
         return $response;
     }
     /**
@@ -1541,9 +1541,9 @@ public function createBankTransfer($xero_tenant_id$bank_transfers)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\BankTransfers|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createBankTransferWithHttpInfo($xero_tenant_id$bank_transfers)
+    public function createBankTransferWithHttpInfo($xero_tenant_id, $bank_transfers)
     {
-        $request = $this->createBankTransferRequest($xero_tenant_id$bank_transfers);
+        $request = $this->createBankTransferRequest($xero_tenant_id, $bank_transfers);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1636,9 +1636,9 @@ public function createBankTransferWithHttpInfo($xero_tenant_id$bank_transfers)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createBankTransferAsync($xero_tenant_id$bank_transfers)
+    public function createBankTransferAsync($xero_tenant_id, $bank_transfers)
     {
-        return $this->createBankTransferAsyncWithHttpInfo($xero_tenant_id$bank_transfers)
+        return $this->createBankTransferAsyncWithHttpInfo($xero_tenant_id, $bank_transfers)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1652,10 +1652,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\BankTransfers $bank_transfers BankTransfers with array of BankTransfer objects in request body (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createBankTransferAsyncWithHttpInfo($xero_tenant_id$bank_transfers)
+    public function createBankTransferAsyncWithHttpInfo($xero_tenant_id, $bank_transfers)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\BankTransfers';
-        $request = $this->createBankTransferRequest($xero_tenant_id$bank_transfers);
+        $request = $this->createBankTransferRequest($xero_tenant_id, $bank_transfers);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1695,7 +1695,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\BankTransfers $bank_transfers BankTransfers with array of BankTransfer objects in request body (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createBankTransferRequest($xero_tenant_id$bank_transfers)
+    protected function createBankTransferRequest($xero_tenant_id, $bank_transfers)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1792,9 +1792,9 @@ protected function createBankTransferRequest($xero_tenant_id$bank_transfers)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createBankTransferAttachmentByFileName($xero_tenant_id$bank_transfer_id$file_name$body)
+    public function createBankTransferAttachmentByFileName($xero_tenant_id, $bank_transfer_id, $file_name, $body)
     {
-        list($response) = $this->createBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_id$bank_transfer_id$file_name$body);
+        list($response) = $this->createBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_id, $bank_transfer_id, $file_name, $body);
         return $response;
     }
     /**
@@ -1807,9 +1807,9 @@ public function createBankTransferAttachmentByFileName($xero_tenant_id$bank_tran
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_id$bank_transfer_id$file_name$body)
+    public function createBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_id, $bank_transfer_id, $file_name, $body)
     {
-        $request = $this->createBankTransferAttachmentByFileNameRequest($xero_tenant_id$bank_transfer_id$file_name$body);
+        $request = $this->createBankTransferAttachmentByFileNameRequest($xero_tenant_id, $bank_transfer_id, $file_name, $body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1904,9 +1904,9 @@ public function createBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createBankTransferAttachmentByFileNameAsync($xero_tenant_id$bank_transfer_id$file_name$body)
+    public function createBankTransferAttachmentByFileNameAsync($xero_tenant_id, $bank_transfer_id, $file_name, $body)
     {
-        return $this->createBankTransferAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id$file_name$body)
+        return $this->createBankTransferAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id, $file_name, $body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1922,10 +1922,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createBankTransferAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id$file_name$body)
+    public function createBankTransferAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id, $file_name, $body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->createBankTransferAttachmentByFileNameRequest($xero_tenant_id$bank_transfer_id$file_name$body);
+        $request = $this->createBankTransferAttachmentByFileNameRequest($xero_tenant_id, $bank_transfer_id, $file_name, $body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1967,7 +1967,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createBankTransferAttachmentByFileNameRequest($xero_tenant_id$bank_transfer_id$file_name$body)
+    protected function createBankTransferAttachmentByFileNameRequest($xero_tenant_id, $bank_transfer_id, $file_name, $body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2092,9 +2092,9 @@ protected function createBankTransferAttachmentByFileNameRequest($xero_tenant_id
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createBankTransferHistoryRecord($xero_tenant_id$bank_transfer_id$history_records)
+    public function createBankTransferHistoryRecord($xero_tenant_id, $bank_transfer_id, $history_records)
     {
-        list($response) = $this->createBankTransferHistoryRecordWithHttpInfo($xero_tenant_id$bank_transfer_id$history_records);
+        list($response) = $this->createBankTransferHistoryRecordWithHttpInfo($xero_tenant_id, $bank_transfer_id, $history_records);
         return $response;
     }
     /**
@@ -2107,9 +2107,9 @@ public function createBankTransferHistoryRecord($xero_tenant_id$bank_transfer_id
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createBankTransferHistoryRecordWithHttpInfo($xero_tenant_id$bank_transfer_id$history_records)
+    public function createBankTransferHistoryRecordWithHttpInfo($xero_tenant_id, $bank_transfer_id, $history_records)
     {
-        $request = $this->createBankTransferHistoryRecordRequest($xero_tenant_id$bank_transfer_id$history_records);
+        $request = $this->createBankTransferHistoryRecordRequest($xero_tenant_id, $bank_transfer_id, $history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2203,9 +2203,9 @@ public function createBankTransferHistoryRecordWithHttpInfo($xero_tenant_id$bank
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createBankTransferHistoryRecordAsync($xero_tenant_id$bank_transfer_id$history_records)
+    public function createBankTransferHistoryRecordAsync($xero_tenant_id, $bank_transfer_id, $history_records)
     {
-        return $this->createBankTransferHistoryRecordAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id$history_records)
+        return $this->createBankTransferHistoryRecordAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id, $history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2220,10 +2220,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createBankTransferHistoryRecordAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id$history_records)
+    public function createBankTransferHistoryRecordAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id, $history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createBankTransferHistoryRecordRequest($xero_tenant_id$bank_transfer_id$history_records);
+        $request = $this->createBankTransferHistoryRecordRequest($xero_tenant_id, $bank_transfer_id, $history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2264,7 +2264,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createBankTransferHistoryRecordRequest($xero_tenant_id$bank_transfer_id$history_records)
+    protected function createBankTransferHistoryRecordRequest($xero_tenant_id, $bank_transfer_id, $history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2375,9 +2375,9 @@ protected function createBankTransferHistoryRecordRequest($xero_tenant_id$bank_t
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\BatchPayments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createBatchPayment($xero_tenant_id$batch_payments$summarize_errors = false)
+    public function createBatchPayment($xero_tenant_id, $batch_payments, $summarize_errors = false)
     {
-        list($response) = $this->createBatchPaymentWithHttpInfo($xero_tenant_id$batch_payments$summarize_errors);
+        list($response) = $this->createBatchPaymentWithHttpInfo($xero_tenant_id, $batch_payments, $summarize_errors);
         return $response;
     }
     /**
@@ -2390,9 +2390,9 @@ public function createBatchPayment($xero_tenant_id$batch_payments$summarize_erro
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\BatchPayments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createBatchPaymentWithHttpInfo($xero_tenant_id$batch_payments$summarize_errors = false)
+    public function createBatchPaymentWithHttpInfo($xero_tenant_id, $batch_payments, $summarize_errors = false)
     {
-        $request = $this->createBatchPaymentRequest($xero_tenant_id$batch_payments$summarize_errors);
+        $request = $this->createBatchPaymentRequest($xero_tenant_id, $batch_payments, $summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2486,9 +2486,9 @@ public function createBatchPaymentWithHttpInfo($xero_tenant_id$batch_payments$su
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createBatchPaymentAsync($xero_tenant_id$batch_payments$summarize_errors = false)
+    public function createBatchPaymentAsync($xero_tenant_id, $batch_payments, $summarize_errors = false)
     {
-        return $this->createBatchPaymentAsyncWithHttpInfo($xero_tenant_id$batch_payments$summarize_errors)
+        return $this->createBatchPaymentAsyncWithHttpInfo($xero_tenant_id, $batch_payments, $summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2503,10 +2503,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createBatchPaymentAsyncWithHttpInfo($xero_tenant_id$batch_payments$summarize_errors = false)
+    public function createBatchPaymentAsyncWithHttpInfo($xero_tenant_id, $batch_payments, $summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\BatchPayments';
-        $request = $this->createBatchPaymentRequest($xero_tenant_id$batch_payments$summarize_errors);
+        $request = $this->createBatchPaymentRequest($xero_tenant_id, $batch_payments, $summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2547,7 +2547,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createBatchPaymentRequest($xero_tenant_id$batch_payments$summarize_errors = false)
+    protected function createBatchPaymentRequest($xero_tenant_id, $batch_payments, $summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2648,9 +2648,9 @@ protected function createBatchPaymentRequest($xero_tenant_id$batch_payments$summ
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createBatchPaymentHistoryRecord($xero_tenant_id$batch_payment_id$history_records)
+    public function createBatchPaymentHistoryRecord($xero_tenant_id, $batch_payment_id, $history_records)
     {
-        list($response) = $this->createBatchPaymentHistoryRecordWithHttpInfo($xero_tenant_id$batch_payment_id$history_records);
+        list($response) = $this->createBatchPaymentHistoryRecordWithHttpInfo($xero_tenant_id, $batch_payment_id, $history_records);
         return $response;
     }
     /**
@@ -2663,9 +2663,9 @@ public function createBatchPaymentHistoryRecord($xero_tenant_id$batch_payment_id
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createBatchPaymentHistoryRecordWithHttpInfo($xero_tenant_id$batch_payment_id$history_records)
+    public function createBatchPaymentHistoryRecordWithHttpInfo($xero_tenant_id, $batch_payment_id, $history_records)
     {
-        $request = $this->createBatchPaymentHistoryRecordRequest($xero_tenant_id$batch_payment_id$history_records);
+        $request = $this->createBatchPaymentHistoryRecordRequest($xero_tenant_id, $batch_payment_id, $history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2759,9 +2759,9 @@ public function createBatchPaymentHistoryRecordWithHttpInfo($xero_tenant_id$batc
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createBatchPaymentHistoryRecordAsync($xero_tenant_id$batch_payment_id$history_records)
+    public function createBatchPaymentHistoryRecordAsync($xero_tenant_id, $batch_payment_id, $history_records)
     {
-        return $this->createBatchPaymentHistoryRecordAsyncWithHttpInfo($xero_tenant_id$batch_payment_id$history_records)
+        return $this->createBatchPaymentHistoryRecordAsyncWithHttpInfo($xero_tenant_id, $batch_payment_id, $history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2776,10 +2776,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createBatchPaymentHistoryRecordAsyncWithHttpInfo($xero_tenant_id$batch_payment_id$history_records)
+    public function createBatchPaymentHistoryRecordAsyncWithHttpInfo($xero_tenant_id, $batch_payment_id, $history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createBatchPaymentHistoryRecordRequest($xero_tenant_id$batch_payment_id$history_records);
+        $request = $this->createBatchPaymentHistoryRecordRequest($xero_tenant_id, $batch_payment_id, $history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2820,7 +2820,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createBatchPaymentHistoryRecordRequest($xero_tenant_id$batch_payment_id$history_records)
+    protected function createBatchPaymentHistoryRecordRequest($xero_tenant_id, $batch_payment_id, $history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2931,9 +2931,9 @@ protected function createBatchPaymentHistoryRecordRequest($xero_tenant_id$batch_
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\PaymentServices|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createBrandingThemePaymentServices($xero_tenant_id$branding_theme_id$payment_service)
+    public function createBrandingThemePaymentServices($xero_tenant_id, $branding_theme_id, $payment_service)
     {
-        list($response) = $this->createBrandingThemePaymentServicesWithHttpInfo($xero_tenant_id$branding_theme_id$payment_service);
+        list($response) = $this->createBrandingThemePaymentServicesWithHttpInfo($xero_tenant_id, $branding_theme_id, $payment_service);
         return $response;
     }
     /**
@@ -2946,9 +2946,9 @@ public function createBrandingThemePaymentServices($xero_tenant_id$branding_them
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\PaymentServices|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createBrandingThemePaymentServicesWithHttpInfo($xero_tenant_id$branding_theme_id$payment_service)
+    public function createBrandingThemePaymentServicesWithHttpInfo($xero_tenant_id, $branding_theme_id, $payment_service)
     {
-        $request = $this->createBrandingThemePaymentServicesRequest($xero_tenant_id$branding_theme_id$payment_service);
+        $request = $this->createBrandingThemePaymentServicesRequest($xero_tenant_id, $branding_theme_id, $payment_service);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3042,9 +3042,9 @@ public function createBrandingThemePaymentServicesWithHttpInfo($xero_tenant_id$b
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createBrandingThemePaymentServicesAsync($xero_tenant_id$branding_theme_id$payment_service)
+    public function createBrandingThemePaymentServicesAsync($xero_tenant_id, $branding_theme_id, $payment_service)
     {
-        return $this->createBrandingThemePaymentServicesAsyncWithHttpInfo($xero_tenant_id$branding_theme_id$payment_service)
+        return $this->createBrandingThemePaymentServicesAsyncWithHttpInfo($xero_tenant_id, $branding_theme_id, $payment_service)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3059,10 +3059,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\PaymentService $payment_service PaymentService object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createBrandingThemePaymentServicesAsyncWithHttpInfo($xero_tenant_id$branding_theme_id$payment_service)
+    public function createBrandingThemePaymentServicesAsyncWithHttpInfo($xero_tenant_id, $branding_theme_id, $payment_service)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\PaymentServices';
-        $request = $this->createBrandingThemePaymentServicesRequest($xero_tenant_id$branding_theme_id$payment_service);
+        $request = $this->createBrandingThemePaymentServicesRequest($xero_tenant_id, $branding_theme_id, $payment_service);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3103,7 +3103,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\PaymentService $payment_service PaymentService object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createBrandingThemePaymentServicesRequest($xero_tenant_id$branding_theme_id$payment_service)
+    protected function createBrandingThemePaymentServicesRequest($xero_tenant_id, $branding_theme_id, $payment_service)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3214,9 +3214,9 @@ protected function createBrandingThemePaymentServicesRequest($xero_tenant_id$bra
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createContactAttachmentByFileName($xero_tenant_id$contact_id$file_name$body)
+    public function createContactAttachmentByFileName($xero_tenant_id, $contact_id, $file_name, $body)
     {
-        list($response) = $this->createContactAttachmentByFileNameWithHttpInfo($xero_tenant_id$contact_id$file_name$body);
+        list($response) = $this->createContactAttachmentByFileNameWithHttpInfo($xero_tenant_id, $contact_id, $file_name, $body);
         return $response;
     }
     /**
@@ -3229,9 +3229,9 @@ public function createContactAttachmentByFileName($xero_tenant_id$contact_id$fil
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createContactAttachmentByFileNameWithHttpInfo($xero_tenant_id$contact_id$file_name$body)
+    public function createContactAttachmentByFileNameWithHttpInfo($xero_tenant_id, $contact_id, $file_name, $body)
     {
-        $request = $this->createContactAttachmentByFileNameRequest($xero_tenant_id$contact_id$file_name$body);
+        $request = $this->createContactAttachmentByFileNameRequest($xero_tenant_id, $contact_id, $file_name, $body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3326,9 +3326,9 @@ public function createContactAttachmentByFileNameWithHttpInfo($xero_tenant_id$co
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createContactAttachmentByFileNameAsync($xero_tenant_id$contact_id$file_name$body)
+    public function createContactAttachmentByFileNameAsync($xero_tenant_id, $contact_id, $file_name, $body)
     {
-        return $this->createContactAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$contact_id$file_name$body)
+        return $this->createContactAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $contact_id, $file_name, $body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3344,10 +3344,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createContactAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$contact_id$file_name$body)
+    public function createContactAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $contact_id, $file_name, $body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->createContactAttachmentByFileNameRequest($xero_tenant_id$contact_id$file_name$body);
+        $request = $this->createContactAttachmentByFileNameRequest($xero_tenant_id, $contact_id, $file_name, $body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3389,7 +3389,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createContactAttachmentByFileNameRequest($xero_tenant_id$contact_id$file_name$body)
+    protected function createContactAttachmentByFileNameRequest($xero_tenant_id, $contact_id, $file_name, $body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3513,9 +3513,9 @@ protected function createContactAttachmentByFileNameRequest($xero_tenant_id$cont
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ContactGroups|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createContactGroup($xero_tenant_id$contact_groups)
+    public function createContactGroup($xero_tenant_id, $contact_groups)
     {
-        list($response) = $this->createContactGroupWithHttpInfo($xero_tenant_id$contact_groups);
+        list($response) = $this->createContactGroupWithHttpInfo($xero_tenant_id, $contact_groups);
         return $response;
     }
     /**
@@ -3527,9 +3527,9 @@ public function createContactGroup($xero_tenant_id$contact_groups)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ContactGroups|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createContactGroupWithHttpInfo($xero_tenant_id$contact_groups)
+    public function createContactGroupWithHttpInfo($xero_tenant_id, $contact_groups)
     {
-        $request = $this->createContactGroupRequest($xero_tenant_id$contact_groups);
+        $request = $this->createContactGroupRequest($xero_tenant_id, $contact_groups);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3622,9 +3622,9 @@ public function createContactGroupWithHttpInfo($xero_tenant_id$contact_groups)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createContactGroupAsync($xero_tenant_id$contact_groups)
+    public function createContactGroupAsync($xero_tenant_id, $contact_groups)
     {
-        return $this->createContactGroupAsyncWithHttpInfo($xero_tenant_id$contact_groups)
+        return $this->createContactGroupAsyncWithHttpInfo($xero_tenant_id, $contact_groups)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3638,10 +3638,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\ContactGroups $contact_groups ContactGroups with an array of names in request body (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createContactGroupAsyncWithHttpInfo($xero_tenant_id$contact_groups)
+    public function createContactGroupAsyncWithHttpInfo($xero_tenant_id, $contact_groups)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ContactGroups';
-        $request = $this->createContactGroupRequest($xero_tenant_id$contact_groups);
+        $request = $this->createContactGroupRequest($xero_tenant_id, $contact_groups);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3681,7 +3681,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\ContactGroups $contact_groups ContactGroups with an array of names in request body (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createContactGroupRequest($xero_tenant_id$contact_groups)
+    protected function createContactGroupRequest($xero_tenant_id, $contact_groups)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3778,9 +3778,9 @@ protected function createContactGroupRequest($xero_tenant_id$contact_groups)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Contacts|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createContactGroupContacts($xero_tenant_id$contact_group_id$contacts)
+    public function createContactGroupContacts($xero_tenant_id, $contact_group_id, $contacts)
     {
-        list($response) = $this->createContactGroupContactsWithHttpInfo($xero_tenant_id$contact_group_id$contacts);
+        list($response) = $this->createContactGroupContactsWithHttpInfo($xero_tenant_id, $contact_group_id, $contacts);
         return $response;
     }
     /**
@@ -3793,9 +3793,9 @@ public function createContactGroupContacts($xero_tenant_id$contact_group_id$cont
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Contacts|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createContactGroupContactsWithHttpInfo($xero_tenant_id$contact_group_id$contacts)
+    public function createContactGroupContactsWithHttpInfo($xero_tenant_id, $contact_group_id, $contacts)
     {
-        $request = $this->createContactGroupContactsRequest($xero_tenant_id$contact_group_id$contacts);
+        $request = $this->createContactGroupContactsRequest($xero_tenant_id, $contact_group_id, $contacts);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3889,9 +3889,9 @@ public function createContactGroupContactsWithHttpInfo($xero_tenant_id$contact_g
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createContactGroupContactsAsync($xero_tenant_id$contact_group_id$contacts)
+    public function createContactGroupContactsAsync($xero_tenant_id, $contact_group_id, $contacts)
     {
-        return $this->createContactGroupContactsAsyncWithHttpInfo($xero_tenant_id$contact_group_id$contacts)
+        return $this->createContactGroupContactsAsyncWithHttpInfo($xero_tenant_id, $contact_group_id, $contacts)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3906,10 +3906,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Contacts $contacts Contacts with array of contacts specifying the ContactID to be added to ContactGroup in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createContactGroupContactsAsyncWithHttpInfo($xero_tenant_id$contact_group_id$contacts)
+    public function createContactGroupContactsAsyncWithHttpInfo($xero_tenant_id, $contact_group_id, $contacts)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Contacts';
-        $request = $this->createContactGroupContactsRequest($xero_tenant_id$contact_group_id$contacts);
+        $request = $this->createContactGroupContactsRequest($xero_tenant_id, $contact_group_id, $contacts);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3950,7 +3950,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Contacts $contacts Contacts with array of contacts specifying the ContactID to be added to ContactGroup in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createContactGroupContactsRequest($xero_tenant_id$contact_group_id$contacts)
+    protected function createContactGroupContactsRequest($xero_tenant_id, $contact_group_id, $contacts)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4061,9 +4061,9 @@ protected function createContactGroupContactsRequest($xero_tenant_id$contact_gro
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createContactHistory($xero_tenant_id$contact_id$history_records)
+    public function createContactHistory($xero_tenant_id, $contact_id, $history_records)
     {
-        list($response) = $this->createContactHistoryWithHttpInfo($xero_tenant_id$contact_id$history_records);
+        list($response) = $this->createContactHistoryWithHttpInfo($xero_tenant_id, $contact_id, $history_records);
         return $response;
     }
     /**
@@ -4076,9 +4076,9 @@ public function createContactHistory($xero_tenant_id$contact_id$history_records)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createContactHistoryWithHttpInfo($xero_tenant_id$contact_id$history_records)
+    public function createContactHistoryWithHttpInfo($xero_tenant_id, $contact_id, $history_records)
     {
-        $request = $this->createContactHistoryRequest($xero_tenant_id$contact_id$history_records);
+        $request = $this->createContactHistoryRequest($xero_tenant_id, $contact_id, $history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4172,9 +4172,9 @@ public function createContactHistoryWithHttpInfo($xero_tenant_id$contact_id$hist
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createContactHistoryAsync($xero_tenant_id$contact_id$history_records)
+    public function createContactHistoryAsync($xero_tenant_id, $contact_id, $history_records)
     {
-        return $this->createContactHistoryAsyncWithHttpInfo($xero_tenant_id$contact_id$history_records)
+        return $this->createContactHistoryAsyncWithHttpInfo($xero_tenant_id, $contact_id, $history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4189,10 +4189,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createContactHistoryAsyncWithHttpInfo($xero_tenant_id$contact_id$history_records)
+    public function createContactHistoryAsyncWithHttpInfo($xero_tenant_id, $contact_id, $history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createContactHistoryRequest($xero_tenant_id$contact_id$history_records);
+        $request = $this->createContactHistoryRequest($xero_tenant_id, $contact_id, $history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4233,7 +4233,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createContactHistoryRequest($xero_tenant_id$contact_id$history_records)
+    protected function createContactHistoryRequest($xero_tenant_id, $contact_id, $history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4344,9 +4344,9 @@ protected function createContactHistoryRequest($xero_tenant_id$contact_id$histor
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Contacts|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createContacts($xero_tenant_id$contacts$summarize_errors = false)
+    public function createContacts($xero_tenant_id, $contacts, $summarize_errors = false)
     {
-        list($response) = $this->createContactsWithHttpInfo($xero_tenant_id$contacts$summarize_errors);
+        list($response) = $this->createContactsWithHttpInfo($xero_tenant_id, $contacts, $summarize_errors);
         return $response;
     }
     /**
@@ -4359,9 +4359,9 @@ public function createContacts($xero_tenant_id$contacts$summarize_errors = false
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Contacts|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createContactsWithHttpInfo($xero_tenant_id$contacts$summarize_errors = false)
+    public function createContactsWithHttpInfo($xero_tenant_id, $contacts, $summarize_errors = false)
     {
-        $request = $this->createContactsRequest($xero_tenant_id$contacts$summarize_errors);
+        $request = $this->createContactsRequest($xero_tenant_id, $contacts, $summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4455,9 +4455,9 @@ public function createContactsWithHttpInfo($xero_tenant_id$contacts$summarize_er
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createContactsAsync($xero_tenant_id$contacts$summarize_errors = false)
+    public function createContactsAsync($xero_tenant_id, $contacts, $summarize_errors = false)
     {
-        return $this->createContactsAsyncWithHttpInfo($xero_tenant_id$contacts$summarize_errors)
+        return $this->createContactsAsyncWithHttpInfo($xero_tenant_id, $contacts, $summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4472,10 +4472,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createContactsAsyncWithHttpInfo($xero_tenant_id$contacts$summarize_errors = false)
+    public function createContactsAsyncWithHttpInfo($xero_tenant_id, $contacts, $summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Contacts';
-        $request = $this->createContactsRequest($xero_tenant_id$contacts$summarize_errors);
+        $request = $this->createContactsRequest($xero_tenant_id, $contacts, $summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4516,7 +4516,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createContactsRequest($xero_tenant_id$contacts$summarize_errors = false)
+    protected function createContactsRequest($xero_tenant_id, $contacts, $summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4618,9 +4618,9 @@ protected function createContactsRequest($xero_tenant_id$contacts$summarize_erro
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Allocations|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createCreditNoteAllocation($xero_tenant_id$credit_note_id$allocations$summarize_errors = false)
+    public function createCreditNoteAllocation($xero_tenant_id, $credit_note_id, $allocations, $summarize_errors = false)
     {
-        list($response) = $this->createCreditNoteAllocationWithHttpInfo($xero_tenant_id$credit_note_id$allocations$summarize_errors);
+        list($response) = $this->createCreditNoteAllocationWithHttpInfo($xero_tenant_id, $credit_note_id, $allocations, $summarize_errors);
         return $response;
     }
     /**
@@ -4634,9 +4634,9 @@ public function createCreditNoteAllocation($xero_tenant_id$credit_note_id$alloca
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Allocations|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createCreditNoteAllocationWithHttpInfo($xero_tenant_id$credit_note_id$allocations$summarize_errors = false)
+    public function createCreditNoteAllocationWithHttpInfo($xero_tenant_id, $credit_note_id, $allocations, $summarize_errors = false)
     {
-        $request = $this->createCreditNoteAllocationRequest($xero_tenant_id$credit_note_id$allocations$summarize_errors);
+        $request = $this->createCreditNoteAllocationRequest($xero_tenant_id, $credit_note_id, $allocations, $summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4731,9 +4731,9 @@ public function createCreditNoteAllocationWithHttpInfo($xero_tenant_id$credit_no
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createCreditNoteAllocationAsync($xero_tenant_id$credit_note_id$allocations$summarize_errors = false)
+    public function createCreditNoteAllocationAsync($xero_tenant_id, $credit_note_id, $allocations, $summarize_errors = false)
     {
-        return $this->createCreditNoteAllocationAsyncWithHttpInfo($xero_tenant_id$credit_note_id$allocations$summarize_errors)
+        return $this->createCreditNoteAllocationAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $allocations, $summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4749,10 +4749,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createCreditNoteAllocationAsyncWithHttpInfo($xero_tenant_id$credit_note_id$allocations$summarize_errors = false)
+    public function createCreditNoteAllocationAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $allocations, $summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Allocations';
-        $request = $this->createCreditNoteAllocationRequest($xero_tenant_id$credit_note_id$allocations$summarize_errors);
+        $request = $this->createCreditNoteAllocationRequest($xero_tenant_id, $credit_note_id, $allocations, $summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4794,7 +4794,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createCreditNoteAllocationRequest($xero_tenant_id$credit_note_id$allocations$summarize_errors = false)
+    protected function createCreditNoteAllocationRequest($xero_tenant_id, $credit_note_id, $allocations, $summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4911,9 +4911,9 @@ protected function createCreditNoteAllocationRequest($xero_tenant_id$credit_note
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createCreditNoteAttachmentByFileName($xero_tenant_id$credit_note_id$file_name$body$include_online = false)
+    public function createCreditNoteAttachmentByFileName($xero_tenant_id, $credit_note_id, $file_name, $body, $include_online = false)
     {
-        list($response) = $this->createCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$credit_note_id$file_name$body$include_online);
+        list($response) = $this->createCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $credit_note_id, $file_name, $body, $include_online);
         return $response;
     }
     /**
@@ -4928,9 +4928,9 @@ public function createCreditNoteAttachmentByFileName($xero_tenant_id$credit_note
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$credit_note_id$file_name$body$include_online = false)
+    public function createCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $credit_note_id, $file_name, $body, $include_online = false)
     {
-        $request = $this->createCreditNoteAttachmentByFileNameRequest($xero_tenant_id$credit_note_id$file_name$body$include_online);
+        $request = $this->createCreditNoteAttachmentByFileNameRequest($xero_tenant_id, $credit_note_id, $file_name, $body, $include_online);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5026,9 +5026,9 @@ public function createCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createCreditNoteAttachmentByFileNameAsync($xero_tenant_id$credit_note_id$file_name$body$include_online = false)
+    public function createCreditNoteAttachmentByFileNameAsync($xero_tenant_id, $credit_note_id, $file_name, $body, $include_online = false)
     {
-        return $this->createCreditNoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$credit_note_id$file_name$body$include_online)
+        return $this->createCreditNoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $file_name, $body, $include_online)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5045,10 +5045,10 @@ function ($response) {
      * @param  bool $include_online Allows an attachment to be seen by the end customer within their online invoice (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createCreditNoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$credit_note_id$file_name$body$include_online = false)
+    public function createCreditNoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $file_name, $body, $include_online = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->createCreditNoteAttachmentByFileNameRequest($xero_tenant_id$credit_note_id$file_name$body$include_online);
+        $request = $this->createCreditNoteAttachmentByFileNameRequest($xero_tenant_id, $credit_note_id, $file_name, $body, $include_online);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5091,7 +5091,7 @@ function ($exception) {
      * @param  bool $include_online Allows an attachment to be seen by the end customer within their online invoice (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createCreditNoteAttachmentByFileNameRequest($xero_tenant_id$credit_note_id$file_name$body$include_online = false)
+    protected function createCreditNoteAttachmentByFileNameRequest($xero_tenant_id, $credit_note_id, $file_name, $body, $include_online = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5220,9 +5220,9 @@ protected function createCreditNoteAttachmentByFileNameRequest($xero_tenant_id$c
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createCreditNoteHistory($xero_tenant_id$credit_note_id$history_records)
+    public function createCreditNoteHistory($xero_tenant_id, $credit_note_id, $history_records)
     {
-        list($response) = $this->createCreditNoteHistoryWithHttpInfo($xero_tenant_id$credit_note_id$history_records);
+        list($response) = $this->createCreditNoteHistoryWithHttpInfo($xero_tenant_id, $credit_note_id, $history_records);
         return $response;
     }
     /**
@@ -5235,9 +5235,9 @@ public function createCreditNoteHistory($xero_tenant_id$credit_note_id$history_r
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createCreditNoteHistoryWithHttpInfo($xero_tenant_id$credit_note_id$history_records)
+    public function createCreditNoteHistoryWithHttpInfo($xero_tenant_id, $credit_note_id, $history_records)
     {
-        $request = $this->createCreditNoteHistoryRequest($xero_tenant_id$credit_note_id$history_records);
+        $request = $this->createCreditNoteHistoryRequest($xero_tenant_id, $credit_note_id, $history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5331,9 +5331,9 @@ public function createCreditNoteHistoryWithHttpInfo($xero_tenant_id$credit_note_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createCreditNoteHistoryAsync($xero_tenant_id$credit_note_id$history_records)
+    public function createCreditNoteHistoryAsync($xero_tenant_id, $credit_note_id, $history_records)
     {
-        return $this->createCreditNoteHistoryAsyncWithHttpInfo($xero_tenant_id$credit_note_id$history_records)
+        return $this->createCreditNoteHistoryAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5348,10 +5348,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createCreditNoteHistoryAsyncWithHttpInfo($xero_tenant_id$credit_note_id$history_records)
+    public function createCreditNoteHistoryAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createCreditNoteHistoryRequest($xero_tenant_id$credit_note_id$history_records);
+        $request = $this->createCreditNoteHistoryRequest($xero_tenant_id, $credit_note_id, $history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5392,7 +5392,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createCreditNoteHistoryRequest($xero_tenant_id$credit_note_id$history_records)
+    protected function createCreditNoteHistoryRequest($xero_tenant_id, $credit_note_id, $history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5504,9 +5504,9 @@ protected function createCreditNoteHistoryRequest($xero_tenant_id$credit_note_id
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\CreditNotes|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createCreditNotes($xero_tenant_id$credit_notes$summarize_errors = false$unitdp = null)
+    public function createCreditNotes($xero_tenant_id, $credit_notes, $summarize_errors = false, $unitdp = null)
     {
-        list($response) = $this->createCreditNotesWithHttpInfo($xero_tenant_id$credit_notes$summarize_errors$unitdp);
+        list($response) = $this->createCreditNotesWithHttpInfo($xero_tenant_id, $credit_notes, $summarize_errors, $unitdp);
         return $response;
     }
     /**
@@ -5520,9 +5520,9 @@ public function createCreditNotes($xero_tenant_id$credit_notes$summarize_errors
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\CreditNotes|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createCreditNotesWithHttpInfo($xero_tenant_id$credit_notes$summarize_errors = false$unitdp = null)
+    public function createCreditNotesWithHttpInfo($xero_tenant_id, $credit_notes, $summarize_errors = false, $unitdp = null)
     {
-        $request = $this->createCreditNotesRequest($xero_tenant_id$credit_notes$summarize_errors$unitdp);
+        $request = $this->createCreditNotesRequest($xero_tenant_id, $credit_notes, $summarize_errors, $unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5617,9 +5617,9 @@ public function createCreditNotesWithHttpInfo($xero_tenant_id$credit_notes$summa
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createCreditNotesAsync($xero_tenant_id$credit_notes$summarize_errors = false$unitdp = null)
+    public function createCreditNotesAsync($xero_tenant_id, $credit_notes, $summarize_errors = false, $unitdp = null)
     {
-        return $this->createCreditNotesAsyncWithHttpInfo($xero_tenant_id$credit_notes$summarize_errors$unitdp)
+        return $this->createCreditNotesAsyncWithHttpInfo($xero_tenant_id, $credit_notes, $summarize_errors, $unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5635,10 +5635,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createCreditNotesAsyncWithHttpInfo($xero_tenant_id$credit_notes$summarize_errors = false$unitdp = null)
+    public function createCreditNotesAsyncWithHttpInfo($xero_tenant_id, $credit_notes, $summarize_errors = false, $unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\CreditNotes';
-        $request = $this->createCreditNotesRequest($xero_tenant_id$credit_notes$summarize_errors$unitdp);
+        $request = $this->createCreditNotesRequest($xero_tenant_id, $credit_notes, $summarize_errors, $unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5680,7 +5680,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createCreditNotesRequest($xero_tenant_id$credit_notes$summarize_errors = false$unitdp = null)
+    protected function createCreditNotesRequest($xero_tenant_id, $credit_notes, $summarize_errors = false, $unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5784,9 +5784,9 @@ protected function createCreditNotesRequest($xero_tenant_id$credit_notes$summari
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Currencies
      */
-    public function createCurrency($xero_tenant_id$currency)
+    public function createCurrency($xero_tenant_id, $currency)
     {
-        list($response) = $this->createCurrencyWithHttpInfo($xero_tenant_id$currency);
+        list($response) = $this->createCurrencyWithHttpInfo($xero_tenant_id, $currency);
         return $response;
     }
     /**
@@ -5798,9 +5798,9 @@ public function createCurrency($xero_tenant_id$currency)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Currencies, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createCurrencyWithHttpInfo($xero_tenant_id$currency)
+    public function createCurrencyWithHttpInfo($xero_tenant_id, $currency)
     {
-        $request = $this->createCurrencyRequest($xero_tenant_id$currency);
+        $request = $this->createCurrencyRequest($xero_tenant_id, $currency);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5874,9 +5874,9 @@ public function createCurrencyWithHttpInfo($xero_tenant_id$currency)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createCurrencyAsync($xero_tenant_id$currency)
+    public function createCurrencyAsync($xero_tenant_id, $currency)
     {
-        return $this->createCurrencyAsyncWithHttpInfo($xero_tenant_id$currency)
+        return $this->createCurrencyAsyncWithHttpInfo($xero_tenant_id, $currency)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5890,10 +5890,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Currency $currency Currency object in the body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createCurrencyAsyncWithHttpInfo($xero_tenant_id$currency)
+    public function createCurrencyAsyncWithHttpInfo($xero_tenant_id, $currency)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Currencies';
-        $request = $this->createCurrencyRequest($xero_tenant_id$currency);
+        $request = $this->createCurrencyRequest($xero_tenant_id, $currency);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5933,7 +5933,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Currency $currency Currency object in the body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createCurrencyRequest($xero_tenant_id$currency)
+    protected function createCurrencyRequest($xero_tenant_id, $currency)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6030,9 +6030,9 @@ protected function createCurrencyRequest($xero_tenant_id$currency)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Employees|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createEmployees($xero_tenant_id$employees$summarize_errors = false)
+    public function createEmployees($xero_tenant_id, $employees, $summarize_errors = false)
     {
-        list($response) = $this->createEmployeesWithHttpInfo($xero_tenant_id$employees$summarize_errors);
+        list($response) = $this->createEmployeesWithHttpInfo($xero_tenant_id, $employees, $summarize_errors);
         return $response;
     }
     /**
@@ -6045,9 +6045,9 @@ public function createEmployees($xero_tenant_id$employees$summarize_errors = fal
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Employees|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeesWithHttpInfo($xero_tenant_id$employees$summarize_errors = false)
+    public function createEmployeesWithHttpInfo($xero_tenant_id, $employees, $summarize_errors = false)
     {
-        $request = $this->createEmployeesRequest($xero_tenant_id$employees$summarize_errors);
+        $request = $this->createEmployeesRequest($xero_tenant_id, $employees, $summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6141,9 +6141,9 @@ public function createEmployeesWithHttpInfo($xero_tenant_id$employees$summarize_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeesAsync($xero_tenant_id$employees$summarize_errors = false)
+    public function createEmployeesAsync($xero_tenant_id, $employees, $summarize_errors = false)
     {
-        return $this->createEmployeesAsyncWithHttpInfo($xero_tenant_id$employees$summarize_errors)
+        return $this->createEmployeesAsyncWithHttpInfo($xero_tenant_id, $employees, $summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6158,10 +6158,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeesAsyncWithHttpInfo($xero_tenant_id$employees$summarize_errors = false)
+    public function createEmployeesAsyncWithHttpInfo($xero_tenant_id, $employees, $summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Employees';
-        $request = $this->createEmployeesRequest($xero_tenant_id$employees$summarize_errors);
+        $request = $this->createEmployeesRequest($xero_tenant_id, $employees, $summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -6202,7 +6202,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeesRequest($xero_tenant_id$employees$summarize_errors = false)
+    protected function createEmployeesRequest($xero_tenant_id, $employees, $summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6303,9 +6303,9 @@ protected function createEmployeesRequest($xero_tenant_id$employees$summarize_er
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function createExpenseClaimHistory($xero_tenant_id$expense_claim_id$history_records)
+    public function createExpenseClaimHistory($xero_tenant_id, $expense_claim_id, $history_records)
     {
-        list($response) = $this->createExpenseClaimHistoryWithHttpInfo($xero_tenant_id$expense_claim_id$history_records);
+        list($response) = $this->createExpenseClaimHistoryWithHttpInfo($xero_tenant_id, $expense_claim_id, $history_records);
         return $response;
     }
     /**
@@ -6318,9 +6318,9 @@ public function createExpenseClaimHistory($xero_tenant_id$expense_claim_id$histo
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createExpenseClaimHistoryWithHttpInfo($xero_tenant_id$expense_claim_id$history_records)
+    public function createExpenseClaimHistoryWithHttpInfo($xero_tenant_id, $expense_claim_id, $history_records)
     {
-        $request = $this->createExpenseClaimHistoryRequest($xero_tenant_id$expense_claim_id$history_records);
+        $request = $this->createExpenseClaimHistoryRequest($xero_tenant_id, $expense_claim_id, $history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6395,9 +6395,9 @@ public function createExpenseClaimHistoryWithHttpInfo($xero_tenant_id$expense_cl
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createExpenseClaimHistoryAsync($xero_tenant_id$expense_claim_id$history_records)
+    public function createExpenseClaimHistoryAsync($xero_tenant_id, $expense_claim_id, $history_records)
     {
-        return $this->createExpenseClaimHistoryAsyncWithHttpInfo($xero_tenant_id$expense_claim_id$history_records)
+        return $this->createExpenseClaimHistoryAsyncWithHttpInfo($xero_tenant_id, $expense_claim_id, $history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6412,10 +6412,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createExpenseClaimHistoryAsyncWithHttpInfo($xero_tenant_id$expense_claim_id$history_records)
+    public function createExpenseClaimHistoryAsyncWithHttpInfo($xero_tenant_id, $expense_claim_id, $history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createExpenseClaimHistoryRequest($xero_tenant_id$expense_claim_id$history_records);
+        $request = $this->createExpenseClaimHistoryRequest($xero_tenant_id, $expense_claim_id, $history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -6456,7 +6456,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createExpenseClaimHistoryRequest($xero_tenant_id$expense_claim_id$history_records)
+    protected function createExpenseClaimHistoryRequest($xero_tenant_id, $expense_claim_id, $history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6566,9 +6566,9 @@ protected function createExpenseClaimHistoryRequest($xero_tenant_id$expense_clai
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createExpenseClaims($xero_tenant_id$expense_claims)
+    public function createExpenseClaims($xero_tenant_id, $expense_claims)
     {
-        list($response) = $this->createExpenseClaimsWithHttpInfo($xero_tenant_id$expense_claims);
+        list($response) = $this->createExpenseClaimsWithHttpInfo($xero_tenant_id, $expense_claims);
         return $response;
     }
     /**
@@ -6580,9 +6580,9 @@ public function createExpenseClaims($xero_tenant_id$expense_claims)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createExpenseClaimsWithHttpInfo($xero_tenant_id$expense_claims)
+    public function createExpenseClaimsWithHttpInfo($xero_tenant_id, $expense_claims)
     {
-        $request = $this->createExpenseClaimsRequest($xero_tenant_id$expense_claims);
+        $request = $this->createExpenseClaimsRequest($xero_tenant_id, $expense_claims);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6675,9 +6675,9 @@ public function createExpenseClaimsWithHttpInfo($xero_tenant_id$expense_claims)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createExpenseClaimsAsync($xero_tenant_id$expense_claims)
+    public function createExpenseClaimsAsync($xero_tenant_id, $expense_claims)
     {
-        return $this->createExpenseClaimsAsyncWithHttpInfo($xero_tenant_id$expense_claims)
+        return $this->createExpenseClaimsAsyncWithHttpInfo($xero_tenant_id, $expense_claims)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6691,10 +6691,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims $expense_claims ExpenseClaims with array of ExpenseClaim object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createExpenseClaimsAsyncWithHttpInfo($xero_tenant_id$expense_claims)
+    public function createExpenseClaimsAsyncWithHttpInfo($xero_tenant_id, $expense_claims)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims';
-        $request = $this->createExpenseClaimsRequest($xero_tenant_id$expense_claims);
+        $request = $this->createExpenseClaimsRequest($xero_tenant_id, $expense_claims);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -6734,7 +6734,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims $expense_claims ExpenseClaims with array of ExpenseClaim object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createExpenseClaimsRequest($xero_tenant_id$expense_claims)
+    protected function createExpenseClaimsRequest($xero_tenant_id, $expense_claims)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6833,9 +6833,9 @@ protected function createExpenseClaimsRequest($xero_tenant_id$expense_claims)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createInvoiceAttachmentByFileName($xero_tenant_id$invoice_id$file_name$body$include_online = false)
+    public function createInvoiceAttachmentByFileName($xero_tenant_id, $invoice_id, $file_name, $body, $include_online = false)
     {
-        list($response) = $this->createInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id$invoice_id$file_name$body$include_online);
+        list($response) = $this->createInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id, $invoice_id, $file_name, $body, $include_online);
         return $response;
     }
     /**
@@ -6850,9 +6850,9 @@ public function createInvoiceAttachmentByFileName($xero_tenant_id$invoice_id$fil
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id$invoice_id$file_name$body$include_online = false)
+    public function createInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id, $invoice_id, $file_name, $body, $include_online = false)
     {
-        $request = $this->createInvoiceAttachmentByFileNameRequest($xero_tenant_id$invoice_id$file_name$body$include_online);
+        $request = $this->createInvoiceAttachmentByFileNameRequest($xero_tenant_id, $invoice_id, $file_name, $body, $include_online);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6948,9 +6948,9 @@ public function createInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id$in
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createInvoiceAttachmentByFileNameAsync($xero_tenant_id$invoice_id$file_name$body$include_online = false)
+    public function createInvoiceAttachmentByFileNameAsync($xero_tenant_id, $invoice_id, $file_name, $body, $include_online = false)
     {
-        return $this->createInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$invoice_id$file_name$body$include_online)
+        return $this->createInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $file_name, $body, $include_online)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6967,10 +6967,10 @@ function ($response) {
      * @param  bool $include_online Allows an attachment to be seen by the end customer within their online invoice (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$invoice_id$file_name$body$include_online = false)
+    public function createInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $file_name, $body, $include_online = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->createInvoiceAttachmentByFileNameRequest($xero_tenant_id$invoice_id$file_name$body$include_online);
+        $request = $this->createInvoiceAttachmentByFileNameRequest($xero_tenant_id, $invoice_id, $file_name, $body, $include_online);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7013,7 +7013,7 @@ function ($exception) {
      * @param  bool $include_online Allows an attachment to be seen by the end customer within their online invoice (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createInvoiceAttachmentByFileNameRequest($xero_tenant_id$invoice_id$file_name$body$include_online = false)
+    protected function createInvoiceAttachmentByFileNameRequest($xero_tenant_id, $invoice_id, $file_name, $body, $include_online = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7142,9 +7142,9 @@ protected function createInvoiceAttachmentByFileNameRequest($xero_tenant_id$invo
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createInvoiceHistory($xero_tenant_id$invoice_id$history_records)
+    public function createInvoiceHistory($xero_tenant_id, $invoice_id, $history_records)
     {
-        list($response) = $this->createInvoiceHistoryWithHttpInfo($xero_tenant_id$invoice_id$history_records);
+        list($response) = $this->createInvoiceHistoryWithHttpInfo($xero_tenant_id, $invoice_id, $history_records);
         return $response;
     }
     /**
@@ -7157,9 +7157,9 @@ public function createInvoiceHistory($xero_tenant_id$invoice_id$history_records)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createInvoiceHistoryWithHttpInfo($xero_tenant_id$invoice_id$history_records)
+    public function createInvoiceHistoryWithHttpInfo($xero_tenant_id, $invoice_id, $history_records)
     {
-        $request = $this->createInvoiceHistoryRequest($xero_tenant_id$invoice_id$history_records);
+        $request = $this->createInvoiceHistoryRequest($xero_tenant_id, $invoice_id, $history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -7253,9 +7253,9 @@ public function createInvoiceHistoryWithHttpInfo($xero_tenant_id$invoice_id$hist
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createInvoiceHistoryAsync($xero_tenant_id$invoice_id$history_records)
+    public function createInvoiceHistoryAsync($xero_tenant_id, $invoice_id, $history_records)
     {
-        return $this->createInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id$invoice_id$history_records)
+        return $this->createInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -7270,10 +7270,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id$invoice_id$history_records)
+    public function createInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createInvoiceHistoryRequest($xero_tenant_id$invoice_id$history_records);
+        $request = $this->createInvoiceHistoryRequest($xero_tenant_id, $invoice_id, $history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7314,7 +7314,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createInvoiceHistoryRequest($xero_tenant_id$invoice_id$history_records)
+    protected function createInvoiceHistoryRequest($xero_tenant_id, $invoice_id, $history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7426,9 +7426,9 @@ protected function createInvoiceHistoryRequest($xero_tenant_id$invoice_id$histor
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Invoices|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createInvoices($xero_tenant_id$invoices$summarize_errors = false$unitdp = null)
+    public function createInvoices($xero_tenant_id, $invoices, $summarize_errors = false, $unitdp = null)
     {
-        list($response) = $this->createInvoicesWithHttpInfo($xero_tenant_id$invoices$summarize_errors$unitdp);
+        list($response) = $this->createInvoicesWithHttpInfo($xero_tenant_id, $invoices, $summarize_errors, $unitdp);
         return $response;
     }
     /**
@@ -7442,9 +7442,9 @@ public function createInvoices($xero_tenant_id$invoices$summarize_errors = false
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Invoices|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createInvoicesWithHttpInfo($xero_tenant_id$invoices$summarize_errors = false$unitdp = null)
+    public function createInvoicesWithHttpInfo($xero_tenant_id, $invoices, $summarize_errors = false, $unitdp = null)
     {
-        $request = $this->createInvoicesRequest($xero_tenant_id$invoices$summarize_errors$unitdp);
+        $request = $this->createInvoicesRequest($xero_tenant_id, $invoices, $summarize_errors, $unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -7539,9 +7539,9 @@ public function createInvoicesWithHttpInfo($xero_tenant_id$invoices$summarize_er
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createInvoicesAsync($xero_tenant_id$invoices$summarize_errors = false$unitdp = null)
+    public function createInvoicesAsync($xero_tenant_id, $invoices, $summarize_errors = false, $unitdp = null)
     {
-        return $this->createInvoicesAsyncWithHttpInfo($xero_tenant_id$invoices$summarize_errors$unitdp)
+        return $this->createInvoicesAsyncWithHttpInfo($xero_tenant_id, $invoices, $summarize_errors, $unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -7557,10 +7557,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createInvoicesAsyncWithHttpInfo($xero_tenant_id$invoices$summarize_errors = false$unitdp = null)
+    public function createInvoicesAsyncWithHttpInfo($xero_tenant_id, $invoices, $summarize_errors = false, $unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Invoices';
-        $request = $this->createInvoicesRequest($xero_tenant_id$invoices$summarize_errors$unitdp);
+        $request = $this->createInvoicesRequest($xero_tenant_id, $invoices, $summarize_errors, $unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7602,7 +7602,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createInvoicesRequest($xero_tenant_id$invoices$summarize_errors = false$unitdp = null)
+    protected function createInvoicesRequest($xero_tenant_id, $invoices, $summarize_errors = false, $unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7707,9 +7707,9 @@ protected function createInvoicesRequest($xero_tenant_id$invoices$summarize_erro
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function createItemHistory($xero_tenant_id$item_id$history_records)
+    public function createItemHistory($xero_tenant_id, $item_id, $history_records)
     {
-        list($response) = $this->createItemHistoryWithHttpInfo($xero_tenant_id$item_id$history_records);
+        list($response) = $this->createItemHistoryWithHttpInfo($xero_tenant_id, $item_id, $history_records);
         return $response;
     }
     /**
@@ -7722,9 +7722,9 @@ public function createItemHistory($xero_tenant_id$item_id$history_records)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createItemHistoryWithHttpInfo($xero_tenant_id$item_id$history_records)
+    public function createItemHistoryWithHttpInfo($xero_tenant_id, $item_id, $history_records)
     {
-        $request = $this->createItemHistoryRequest($xero_tenant_id$item_id$history_records);
+        $request = $this->createItemHistoryRequest($xero_tenant_id, $item_id, $history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -7799,9 +7799,9 @@ public function createItemHistoryWithHttpInfo($xero_tenant_id$item_id$history_re
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createItemHistoryAsync($xero_tenant_id$item_id$history_records)
+    public function createItemHistoryAsync($xero_tenant_id, $item_id, $history_records)
     {
-        return $this->createItemHistoryAsyncWithHttpInfo($xero_tenant_id$item_id$history_records)
+        return $this->createItemHistoryAsyncWithHttpInfo($xero_tenant_id, $item_id, $history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -7816,10 +7816,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createItemHistoryAsyncWithHttpInfo($xero_tenant_id$item_id$history_records)
+    public function createItemHistoryAsyncWithHttpInfo($xero_tenant_id, $item_id, $history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createItemHistoryRequest($xero_tenant_id$item_id$history_records);
+        $request = $this->createItemHistoryRequest($xero_tenant_id, $item_id, $history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7860,7 +7860,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createItemHistoryRequest($xero_tenant_id$item_id$history_records)
+    protected function createItemHistoryRequest($xero_tenant_id, $item_id, $history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7972,9 +7972,9 @@ protected function createItemHistoryRequest($xero_tenant_id$item_id$history_reco
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Items|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createItems($xero_tenant_id$items$summarize_errors = false$unitdp = null)
+    public function createItems($xero_tenant_id, $items, $summarize_errors = false, $unitdp = null)
     {
-        list($response) = $this->createItemsWithHttpInfo($xero_tenant_id$items$summarize_errors$unitdp);
+        list($response) = $this->createItemsWithHttpInfo($xero_tenant_id, $items, $summarize_errors, $unitdp);
         return $response;
     }
     /**
@@ -7988,9 +7988,9 @@ public function createItems($xero_tenant_id$items$summarize_errors = false$unitd
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Items|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createItemsWithHttpInfo($xero_tenant_id$items$summarize_errors = false$unitdp = null)
+    public function createItemsWithHttpInfo($xero_tenant_id, $items, $summarize_errors = false, $unitdp = null)
     {
-        $request = $this->createItemsRequest($xero_tenant_id$items$summarize_errors$unitdp);
+        $request = $this->createItemsRequest($xero_tenant_id, $items, $summarize_errors, $unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -8085,9 +8085,9 @@ public function createItemsWithHttpInfo($xero_tenant_id$items$summarize_errors =
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createItemsAsync($xero_tenant_id$items$summarize_errors = false$unitdp = null)
+    public function createItemsAsync($xero_tenant_id, $items, $summarize_errors = false, $unitdp = null)
     {
-        return $this->createItemsAsyncWithHttpInfo($xero_tenant_id$items$summarize_errors$unitdp)
+        return $this->createItemsAsyncWithHttpInfo($xero_tenant_id, $items, $summarize_errors, $unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -8103,10 +8103,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createItemsAsyncWithHttpInfo($xero_tenant_id$items$summarize_errors = false$unitdp = null)
+    public function createItemsAsyncWithHttpInfo($xero_tenant_id, $items, $summarize_errors = false, $unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Items';
-        $request = $this->createItemsRequest($xero_tenant_id$items$summarize_errors$unitdp);
+        $request = $this->createItemsRequest($xero_tenant_id, $items, $summarize_errors, $unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -8148,7 +8148,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createItemsRequest($xero_tenant_id$items$summarize_errors = false$unitdp = null)
+    protected function createItemsRequest($xero_tenant_id, $items, $summarize_errors = false, $unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -8252,9 +8252,9 @@ protected function createItemsRequest($xero_tenant_id$items$summarize_errors = f
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createLinkedTransaction($xero_tenant_id$linked_transaction)
+    public function createLinkedTransaction($xero_tenant_id, $linked_transaction)
     {
-        list($response) = $this->createLinkedTransactionWithHttpInfo($xero_tenant_id$linked_transaction);
+        list($response) = $this->createLinkedTransactionWithHttpInfo($xero_tenant_id, $linked_transaction);
         return $response;
     }
     /**
@@ -8266,9 +8266,9 @@ public function createLinkedTransaction($xero_tenant_id$linked_transaction)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createLinkedTransactionWithHttpInfo($xero_tenant_id$linked_transaction)
+    public function createLinkedTransactionWithHttpInfo($xero_tenant_id, $linked_transaction)
     {
-        $request = $this->createLinkedTransactionRequest($xero_tenant_id$linked_transaction);
+        $request = $this->createLinkedTransactionRequest($xero_tenant_id, $linked_transaction);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -8361,9 +8361,9 @@ public function createLinkedTransactionWithHttpInfo($xero_tenant_id$linked_trans
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createLinkedTransactionAsync($xero_tenant_id$linked_transaction)
+    public function createLinkedTransactionAsync($xero_tenant_id, $linked_transaction)
     {
-        return $this->createLinkedTransactionAsyncWithHttpInfo($xero_tenant_id$linked_transaction)
+        return $this->createLinkedTransactionAsyncWithHttpInfo($xero_tenant_id, $linked_transaction)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -8377,10 +8377,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\LinkedTransaction $linked_transaction LinkedTransaction object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createLinkedTransactionAsyncWithHttpInfo($xero_tenant_id$linked_transaction)
+    public function createLinkedTransactionAsyncWithHttpInfo($xero_tenant_id, $linked_transaction)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions';
-        $request = $this->createLinkedTransactionRequest($xero_tenant_id$linked_transaction);
+        $request = $this->createLinkedTransactionRequest($xero_tenant_id, $linked_transaction);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -8420,7 +8420,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\LinkedTransaction $linked_transaction LinkedTransaction object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createLinkedTransactionRequest($xero_tenant_id$linked_transaction)
+    protected function createLinkedTransactionRequest($xero_tenant_id, $linked_transaction)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -8518,9 +8518,9 @@ protected function createLinkedTransactionRequest($xero_tenant_id$linked_transac
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createManualJournalAttachmentByFileName($xero_tenant_id$manual_journal_id$file_name$body)
+    public function createManualJournalAttachmentByFileName($xero_tenant_id, $manual_journal_id, $file_name, $body)
     {
-        list($response) = $this->createManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant_id$manual_journal_id$file_name$body);
+        list($response) = $this->createManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant_id, $manual_journal_id, $file_name, $body);
         return $response;
     }
     /**
@@ -8534,9 +8534,9 @@ public function createManualJournalAttachmentByFileName($xero_tenant_id$manual_j
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant_id$manual_journal_id$file_name$body)
+    public function createManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant_id, $manual_journal_id, $file_name, $body)
     {
-        $request = $this->createManualJournalAttachmentByFileNameRequest($xero_tenant_id$manual_journal_id$file_name$body);
+        $request = $this->createManualJournalAttachmentByFileNameRequest($xero_tenant_id, $manual_journal_id, $file_name, $body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -8631,9 +8631,9 @@ public function createManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createManualJournalAttachmentByFileNameAsync($xero_tenant_id$manual_journal_id$file_name$body)
+    public function createManualJournalAttachmentByFileNameAsync($xero_tenant_id, $manual_journal_id, $file_name, $body)
     {
-        return $this->createManualJournalAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$manual_journal_id$file_name$body)
+        return $this->createManualJournalAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id, $file_name, $body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -8649,10 +8649,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createManualJournalAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$manual_journal_id$file_name$body)
+    public function createManualJournalAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id, $file_name, $body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->createManualJournalAttachmentByFileNameRequest($xero_tenant_id$manual_journal_id$file_name$body);
+        $request = $this->createManualJournalAttachmentByFileNameRequest($xero_tenant_id, $manual_journal_id, $file_name, $body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -8694,7 +8694,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createManualJournalAttachmentByFileNameRequest($xero_tenant_id$manual_journal_id$file_name$body)
+    protected function createManualJournalAttachmentByFileNameRequest($xero_tenant_id, $manual_journal_id, $file_name, $body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -8819,9 +8819,9 @@ protected function createManualJournalAttachmentByFileNameRequest($xero_tenant_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createManualJournalHistoryRecord($xero_tenant_id$manual_journal_id$history_records)
+    public function createManualJournalHistoryRecord($xero_tenant_id, $manual_journal_id, $history_records)
     {
-        list($response) = $this->createManualJournalHistoryRecordWithHttpInfo($xero_tenant_id$manual_journal_id$history_records);
+        list($response) = $this->createManualJournalHistoryRecordWithHttpInfo($xero_tenant_id, $manual_journal_id, $history_records);
         return $response;
     }
     /**
@@ -8834,9 +8834,9 @@ public function createManualJournalHistoryRecord($xero_tenant_id$manual_journal_
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createManualJournalHistoryRecordWithHttpInfo($xero_tenant_id$manual_journal_id$history_records)
+    public function createManualJournalHistoryRecordWithHttpInfo($xero_tenant_id, $manual_journal_id, $history_records)
     {
-        $request = $this->createManualJournalHistoryRecordRequest($xero_tenant_id$manual_journal_id$history_records);
+        $request = $this->createManualJournalHistoryRecordRequest($xero_tenant_id, $manual_journal_id, $history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -8930,9 +8930,9 @@ public function createManualJournalHistoryRecordWithHttpInfo($xero_tenant_id$man
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createManualJournalHistoryRecordAsync($xero_tenant_id$manual_journal_id$history_records)
+    public function createManualJournalHistoryRecordAsync($xero_tenant_id, $manual_journal_id, $history_records)
     {
-        return $this->createManualJournalHistoryRecordAsyncWithHttpInfo($xero_tenant_id$manual_journal_id$history_records)
+        return $this->createManualJournalHistoryRecordAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id, $history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -8947,10 +8947,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createManualJournalHistoryRecordAsyncWithHttpInfo($xero_tenant_id$manual_journal_id$history_records)
+    public function createManualJournalHistoryRecordAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id, $history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createManualJournalHistoryRecordRequest($xero_tenant_id$manual_journal_id$history_records);
+        $request = $this->createManualJournalHistoryRecordRequest($xero_tenant_id, $manual_journal_id, $history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -8991,7 +8991,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createManualJournalHistoryRecordRequest($xero_tenant_id$manual_journal_id$history_records)
+    protected function createManualJournalHistoryRecordRequest($xero_tenant_id, $manual_journal_id, $history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -9102,9 +9102,9 @@ protected function createManualJournalHistoryRecordRequest($xero_tenant_id$manua
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ManualJournals|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createManualJournals($xero_tenant_id$manual_journals$summarize_errors = false)
+    public function createManualJournals($xero_tenant_id, $manual_journals, $summarize_errors = false)
     {
-        list($response) = $this->createManualJournalsWithHttpInfo($xero_tenant_id$manual_journals$summarize_errors);
+        list($response) = $this->createManualJournalsWithHttpInfo($xero_tenant_id, $manual_journals, $summarize_errors);
         return $response;
     }
     /**
@@ -9117,9 +9117,9 @@ public function createManualJournals($xero_tenant_id$manual_journals$summarize_e
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ManualJournals|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createManualJournalsWithHttpInfo($xero_tenant_id$manual_journals$summarize_errors = false)
+    public function createManualJournalsWithHttpInfo($xero_tenant_id, $manual_journals, $summarize_errors = false)
     {
-        $request = $this->createManualJournalsRequest($xero_tenant_id$manual_journals$summarize_errors);
+        $request = $this->createManualJournalsRequest($xero_tenant_id, $manual_journals, $summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -9213,9 +9213,9 @@ public function createManualJournalsWithHttpInfo($xero_tenant_id$manual_journals
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createManualJournalsAsync($xero_tenant_id$manual_journals$summarize_errors = false)
+    public function createManualJournalsAsync($xero_tenant_id, $manual_journals, $summarize_errors = false)
     {
-        return $this->createManualJournalsAsyncWithHttpInfo($xero_tenant_id$manual_journals$summarize_errors)
+        return $this->createManualJournalsAsyncWithHttpInfo($xero_tenant_id, $manual_journals, $summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -9230,10 +9230,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createManualJournalsAsyncWithHttpInfo($xero_tenant_id$manual_journals$summarize_errors = false)
+    public function createManualJournalsAsyncWithHttpInfo($xero_tenant_id, $manual_journals, $summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ManualJournals';
-        $request = $this->createManualJournalsRequest($xero_tenant_id$manual_journals$summarize_errors);
+        $request = $this->createManualJournalsRequest($xero_tenant_id, $manual_journals, $summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -9274,7 +9274,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createManualJournalsRequest($xero_tenant_id$manual_journals$summarize_errors = false)
+    protected function createManualJournalsRequest($xero_tenant_id, $manual_journals, $summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -9376,9 +9376,9 @@ protected function createManualJournalsRequest($xero_tenant_id$manual_journals$s
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Allocations|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createOverpaymentAllocations($xero_tenant_id$overpayment_id$allocations$summarize_errors = false)
+    public function createOverpaymentAllocations($xero_tenant_id, $overpayment_id, $allocations, $summarize_errors = false)
     {
-        list($response) = $this->createOverpaymentAllocationsWithHttpInfo($xero_tenant_id$overpayment_id$allocations$summarize_errors);
+        list($response) = $this->createOverpaymentAllocationsWithHttpInfo($xero_tenant_id, $overpayment_id, $allocations, $summarize_errors);
         return $response;
     }
     /**
@@ -9392,9 +9392,9 @@ public function createOverpaymentAllocations($xero_tenant_id$overpayment_id$allo
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Allocations|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createOverpaymentAllocationsWithHttpInfo($xero_tenant_id$overpayment_id$allocations$summarize_errors = false)
+    public function createOverpaymentAllocationsWithHttpInfo($xero_tenant_id, $overpayment_id, $allocations, $summarize_errors = false)
     {
-        $request = $this->createOverpaymentAllocationsRequest($xero_tenant_id$overpayment_id$allocations$summarize_errors);
+        $request = $this->createOverpaymentAllocationsRequest($xero_tenant_id, $overpayment_id, $allocations, $summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -9489,9 +9489,9 @@ public function createOverpaymentAllocationsWithHttpInfo($xero_tenant_id$overpay
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createOverpaymentAllocationsAsync($xero_tenant_id$overpayment_id$allocations$summarize_errors = false)
+    public function createOverpaymentAllocationsAsync($xero_tenant_id, $overpayment_id, $allocations, $summarize_errors = false)
     {
-        return $this->createOverpaymentAllocationsAsyncWithHttpInfo($xero_tenant_id$overpayment_id$allocations$summarize_errors)
+        return $this->createOverpaymentAllocationsAsyncWithHttpInfo($xero_tenant_id, $overpayment_id, $allocations, $summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -9507,10 +9507,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createOverpaymentAllocationsAsyncWithHttpInfo($xero_tenant_id$overpayment_id$allocations$summarize_errors = false)
+    public function createOverpaymentAllocationsAsyncWithHttpInfo($xero_tenant_id, $overpayment_id, $allocations, $summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Allocations';
-        $request = $this->createOverpaymentAllocationsRequest($xero_tenant_id$overpayment_id$allocations$summarize_errors);
+        $request = $this->createOverpaymentAllocationsRequest($xero_tenant_id, $overpayment_id, $allocations, $summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -9552,7 +9552,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createOverpaymentAllocationsRequest($xero_tenant_id$overpayment_id$allocations$summarize_errors = false)
+    protected function createOverpaymentAllocationsRequest($xero_tenant_id, $overpayment_id, $allocations, $summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -9667,9 +9667,9 @@ protected function createOverpaymentAllocationsRequest($xero_tenant_id$overpayme
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createOverpaymentHistory($xero_tenant_id$overpayment_id$history_records)
+    public function createOverpaymentHistory($xero_tenant_id, $overpayment_id, $history_records)
     {
-        list($response) = $this->createOverpaymentHistoryWithHttpInfo($xero_tenant_id$overpayment_id$history_records);
+        list($response) = $this->createOverpaymentHistoryWithHttpInfo($xero_tenant_id, $overpayment_id, $history_records);
         return $response;
     }
     /**
@@ -9682,9 +9682,9 @@ public function createOverpaymentHistory($xero_tenant_id$overpayment_id$history_
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createOverpaymentHistoryWithHttpInfo($xero_tenant_id$overpayment_id$history_records)
+    public function createOverpaymentHistoryWithHttpInfo($xero_tenant_id, $overpayment_id, $history_records)
     {
-        $request = $this->createOverpaymentHistoryRequest($xero_tenant_id$overpayment_id$history_records);
+        $request = $this->createOverpaymentHistoryRequest($xero_tenant_id, $overpayment_id, $history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -9778,9 +9778,9 @@ public function createOverpaymentHistoryWithHttpInfo($xero_tenant_id$overpayment
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createOverpaymentHistoryAsync($xero_tenant_id$overpayment_id$history_records)
+    public function createOverpaymentHistoryAsync($xero_tenant_id, $overpayment_id, $history_records)
     {
-        return $this->createOverpaymentHistoryAsyncWithHttpInfo($xero_tenant_id$overpayment_id$history_records)
+        return $this->createOverpaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $overpayment_id, $history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -9795,10 +9795,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createOverpaymentHistoryAsyncWithHttpInfo($xero_tenant_id$overpayment_id$history_records)
+    public function createOverpaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $overpayment_id, $history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createOverpaymentHistoryRequest($xero_tenant_id$overpayment_id$history_records);
+        $request = $this->createOverpaymentHistoryRequest($xero_tenant_id, $overpayment_id, $history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -9839,7 +9839,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createOverpaymentHistoryRequest($xero_tenant_id$overpayment_id$history_records)
+    protected function createOverpaymentHistoryRequest($xero_tenant_id, $overpayment_id, $history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -9949,9 +9949,9 @@ protected function createOverpaymentHistoryRequest($xero_tenant_id$overpayment_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Payments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createPayment($xero_tenant_id$payment)
+    public function createPayment($xero_tenant_id, $payment)
     {
-        list($response) = $this->createPaymentWithHttpInfo($xero_tenant_id$payment);
+        list($response) = $this->createPaymentWithHttpInfo($xero_tenant_id, $payment);
         return $response;
     }
     /**
@@ -9963,9 +9963,9 @@ public function createPayment($xero_tenant_id$payment)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Payments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPaymentWithHttpInfo($xero_tenant_id$payment)
+    public function createPaymentWithHttpInfo($xero_tenant_id, $payment)
     {
-        $request = $this->createPaymentRequest($xero_tenant_id$payment);
+        $request = $this->createPaymentRequest($xero_tenant_id, $payment);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -10058,9 +10058,9 @@ public function createPaymentWithHttpInfo($xero_tenant_id$payment)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPaymentAsync($xero_tenant_id$payment)
+    public function createPaymentAsync($xero_tenant_id, $payment)
     {
-        return $this->createPaymentAsyncWithHttpInfo($xero_tenant_id$payment)
+        return $this->createPaymentAsyncWithHttpInfo($xero_tenant_id, $payment)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -10074,10 +10074,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Payment $payment Request body with a single Payment object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPaymentAsyncWithHttpInfo($xero_tenant_id$payment)
+    public function createPaymentAsyncWithHttpInfo($xero_tenant_id, $payment)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Payments';
-        $request = $this->createPaymentRequest($xero_tenant_id$payment);
+        $request = $this->createPaymentRequest($xero_tenant_id, $payment);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -10117,7 +10117,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Payment $payment Request body with a single Payment object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPaymentRequest($xero_tenant_id$payment)
+    protected function createPaymentRequest($xero_tenant_id, $payment)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -10214,9 +10214,9 @@ protected function createPaymentRequest($xero_tenant_id$payment)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createPaymentHistory($xero_tenant_id$payment_id$history_records)
+    public function createPaymentHistory($xero_tenant_id, $payment_id, $history_records)
     {
-        list($response) = $this->createPaymentHistoryWithHttpInfo($xero_tenant_id$payment_id$history_records);
+        list($response) = $this->createPaymentHistoryWithHttpInfo($xero_tenant_id, $payment_id, $history_records);
         return $response;
     }
     /**
@@ -10229,9 +10229,9 @@ public function createPaymentHistory($xero_tenant_id$payment_id$history_records)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPaymentHistoryWithHttpInfo($xero_tenant_id$payment_id$history_records)
+    public function createPaymentHistoryWithHttpInfo($xero_tenant_id, $payment_id, $history_records)
     {
-        $request = $this->createPaymentHistoryRequest($xero_tenant_id$payment_id$history_records);
+        $request = $this->createPaymentHistoryRequest($xero_tenant_id, $payment_id, $history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -10325,9 +10325,9 @@ public function createPaymentHistoryWithHttpInfo($xero_tenant_id$payment_id$hist
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPaymentHistoryAsync($xero_tenant_id$payment_id$history_records)
+    public function createPaymentHistoryAsync($xero_tenant_id, $payment_id, $history_records)
     {
-        return $this->createPaymentHistoryAsyncWithHttpInfo($xero_tenant_id$payment_id$history_records)
+        return $this->createPaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $payment_id, $history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -10342,10 +10342,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPaymentHistoryAsyncWithHttpInfo($xero_tenant_id$payment_id$history_records)
+    public function createPaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $payment_id, $history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createPaymentHistoryRequest($xero_tenant_id$payment_id$history_records);
+        $request = $this->createPaymentHistoryRequest($xero_tenant_id, $payment_id, $history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -10386,7 +10386,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPaymentHistoryRequest($xero_tenant_id$payment_id$history_records)
+    protected function createPaymentHistoryRequest($xero_tenant_id, $payment_id, $history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -10496,9 +10496,9 @@ protected function createPaymentHistoryRequest($xero_tenant_id$payment_id$histor
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\PaymentServices|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createPaymentService($xero_tenant_id$payment_services)
+    public function createPaymentService($xero_tenant_id, $payment_services)
     {
-        list($response) = $this->createPaymentServiceWithHttpInfo($xero_tenant_id$payment_services);
+        list($response) = $this->createPaymentServiceWithHttpInfo($xero_tenant_id, $payment_services);
         return $response;
     }
     /**
@@ -10510,9 +10510,9 @@ public function createPaymentService($xero_tenant_id$payment_services)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\PaymentServices|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPaymentServiceWithHttpInfo($xero_tenant_id$payment_services)
+    public function createPaymentServiceWithHttpInfo($xero_tenant_id, $payment_services)
     {
-        $request = $this->createPaymentServiceRequest($xero_tenant_id$payment_services);
+        $request = $this->createPaymentServiceRequest($xero_tenant_id, $payment_services);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -10605,9 +10605,9 @@ public function createPaymentServiceWithHttpInfo($xero_tenant_id$payment_service
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPaymentServiceAsync($xero_tenant_id$payment_services)
+    public function createPaymentServiceAsync($xero_tenant_id, $payment_services)
     {
-        return $this->createPaymentServiceAsyncWithHttpInfo($xero_tenant_id$payment_services)
+        return $this->createPaymentServiceAsyncWithHttpInfo($xero_tenant_id, $payment_services)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -10621,10 +10621,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\PaymentServices $payment_services PaymentServices array with PaymentService object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPaymentServiceAsyncWithHttpInfo($xero_tenant_id$payment_services)
+    public function createPaymentServiceAsyncWithHttpInfo($xero_tenant_id, $payment_services)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\PaymentServices';
-        $request = $this->createPaymentServiceRequest($xero_tenant_id$payment_services);
+        $request = $this->createPaymentServiceRequest($xero_tenant_id, $payment_services);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -10664,7 +10664,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\PaymentServices $payment_services PaymentServices array with PaymentService object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPaymentServiceRequest($xero_tenant_id$payment_services)
+    protected function createPaymentServiceRequest($xero_tenant_id, $payment_services)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -10761,9 +10761,9 @@ protected function createPaymentServiceRequest($xero_tenant_id$payment_services)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Payments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createPayments($xero_tenant_id$payments$summarize_errors = false)
+    public function createPayments($xero_tenant_id, $payments, $summarize_errors = false)
     {
-        list($response) = $this->createPaymentsWithHttpInfo($xero_tenant_id$payments$summarize_errors);
+        list($response) = $this->createPaymentsWithHttpInfo($xero_tenant_id, $payments, $summarize_errors);
         return $response;
     }
     /**
@@ -10776,9 +10776,9 @@ public function createPayments($xero_tenant_id$payments$summarize_errors = false
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Payments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPaymentsWithHttpInfo($xero_tenant_id$payments$summarize_errors = false)
+    public function createPaymentsWithHttpInfo($xero_tenant_id, $payments, $summarize_errors = false)
     {
-        $request = $this->createPaymentsRequest($xero_tenant_id$payments$summarize_errors);
+        $request = $this->createPaymentsRequest($xero_tenant_id, $payments, $summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -10872,9 +10872,9 @@ public function createPaymentsWithHttpInfo($xero_tenant_id$payments$summarize_er
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPaymentsAsync($xero_tenant_id$payments$summarize_errors = false)
+    public function createPaymentsAsync($xero_tenant_id, $payments, $summarize_errors = false)
     {
-        return $this->createPaymentsAsyncWithHttpInfo($xero_tenant_id$payments$summarize_errors)
+        return $this->createPaymentsAsyncWithHttpInfo($xero_tenant_id, $payments, $summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -10889,10 +10889,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPaymentsAsyncWithHttpInfo($xero_tenant_id$payments$summarize_errors = false)
+    public function createPaymentsAsyncWithHttpInfo($xero_tenant_id, $payments, $summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Payments';
-        $request = $this->createPaymentsRequest($xero_tenant_id$payments$summarize_errors);
+        $request = $this->createPaymentsRequest($xero_tenant_id, $payments, $summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -10933,7 +10933,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPaymentsRequest($xero_tenant_id$payments$summarize_errors = false)
+    protected function createPaymentsRequest($xero_tenant_id, $payments, $summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -11035,9 +11035,9 @@ protected function createPaymentsRequest($xero_tenant_id$payments$summarize_erro
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Allocations|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createPrepaymentAllocations($xero_tenant_id$prepayment_id$allocations$summarize_errors = false)
+    public function createPrepaymentAllocations($xero_tenant_id, $prepayment_id, $allocations, $summarize_errors = false)
     {
-        list($response) = $this->createPrepaymentAllocationsWithHttpInfo($xero_tenant_id$prepayment_id$allocations$summarize_errors);
+        list($response) = $this->createPrepaymentAllocationsWithHttpInfo($xero_tenant_id, $prepayment_id, $allocations, $summarize_errors);
         return $response;
     }
     /**
@@ -11051,9 +11051,9 @@ public function createPrepaymentAllocations($xero_tenant_id$prepayment_id$alloca
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Allocations|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPrepaymentAllocationsWithHttpInfo($xero_tenant_id$prepayment_id$allocations$summarize_errors = false)
+    public function createPrepaymentAllocationsWithHttpInfo($xero_tenant_id, $prepayment_id, $allocations, $summarize_errors = false)
     {
-        $request = $this->createPrepaymentAllocationsRequest($xero_tenant_id$prepayment_id$allocations$summarize_errors);
+        $request = $this->createPrepaymentAllocationsRequest($xero_tenant_id, $prepayment_id, $allocations, $summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -11148,9 +11148,9 @@ public function createPrepaymentAllocationsWithHttpInfo($xero_tenant_id$prepayme
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPrepaymentAllocationsAsync($xero_tenant_id$prepayment_id$allocations$summarize_errors = false)
+    public function createPrepaymentAllocationsAsync($xero_tenant_id, $prepayment_id, $allocations, $summarize_errors = false)
     {
-        return $this->createPrepaymentAllocationsAsyncWithHttpInfo($xero_tenant_id$prepayment_id$allocations$summarize_errors)
+        return $this->createPrepaymentAllocationsAsyncWithHttpInfo($xero_tenant_id, $prepayment_id, $allocations, $summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -11166,10 +11166,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPrepaymentAllocationsAsyncWithHttpInfo($xero_tenant_id$prepayment_id$allocations$summarize_errors = false)
+    public function createPrepaymentAllocationsAsyncWithHttpInfo($xero_tenant_id, $prepayment_id, $allocations, $summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Allocations';
-        $request = $this->createPrepaymentAllocationsRequest($xero_tenant_id$prepayment_id$allocations$summarize_errors);
+        $request = $this->createPrepaymentAllocationsRequest($xero_tenant_id, $prepayment_id, $allocations, $summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -11211,7 +11211,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPrepaymentAllocationsRequest($xero_tenant_id$prepayment_id$allocations$summarize_errors = false)
+    protected function createPrepaymentAllocationsRequest($xero_tenant_id, $prepayment_id, $allocations, $summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -11326,9 +11326,9 @@ protected function createPrepaymentAllocationsRequest($xero_tenant_id$prepayment
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createPrepaymentHistory($xero_tenant_id$prepayment_id$history_records)
+    public function createPrepaymentHistory($xero_tenant_id, $prepayment_id, $history_records)
     {
-        list($response) = $this->createPrepaymentHistoryWithHttpInfo($xero_tenant_id$prepayment_id$history_records);
+        list($response) = $this->createPrepaymentHistoryWithHttpInfo($xero_tenant_id, $prepayment_id, $history_records);
         return $response;
     }
     /**
@@ -11341,9 +11341,9 @@ public function createPrepaymentHistory($xero_tenant_id$prepayment_id$history_re
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPrepaymentHistoryWithHttpInfo($xero_tenant_id$prepayment_id$history_records)
+    public function createPrepaymentHistoryWithHttpInfo($xero_tenant_id, $prepayment_id, $history_records)
     {
-        $request = $this->createPrepaymentHistoryRequest($xero_tenant_id$prepayment_id$history_records);
+        $request = $this->createPrepaymentHistoryRequest($xero_tenant_id, $prepayment_id, $history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -11437,9 +11437,9 @@ public function createPrepaymentHistoryWithHttpInfo($xero_tenant_id$prepayment_i
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPrepaymentHistoryAsync($xero_tenant_id$prepayment_id$history_records)
+    public function createPrepaymentHistoryAsync($xero_tenant_id, $prepayment_id, $history_records)
     {
-        return $this->createPrepaymentHistoryAsyncWithHttpInfo($xero_tenant_id$prepayment_id$history_records)
+        return $this->createPrepaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $prepayment_id, $history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -11454,10 +11454,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPrepaymentHistoryAsyncWithHttpInfo($xero_tenant_id$prepayment_id$history_records)
+    public function createPrepaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $prepayment_id, $history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createPrepaymentHistoryRequest($xero_tenant_id$prepayment_id$history_records);
+        $request = $this->createPrepaymentHistoryRequest($xero_tenant_id, $prepayment_id, $history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -11498,7 +11498,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPrepaymentHistoryRequest($xero_tenant_id$prepayment_id$history_records)
+    protected function createPrepaymentHistoryRequest($xero_tenant_id, $prepayment_id, $history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -11610,9 +11610,9 @@ protected function createPrepaymentHistoryRequest($xero_tenant_id$prepayment_id$
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createPurchaseOrderAttachmentByFileName($xero_tenant_id$purchase_order_id$file_name$body)
+    public function createPurchaseOrderAttachmentByFileName($xero_tenant_id, $purchase_order_id, $file_name, $body)
     {
-        list($response) = $this->createPurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant_id$purchase_order_id$file_name$body);
+        list($response) = $this->createPurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant_id, $purchase_order_id, $file_name, $body);
         return $response;
     }
     /**
@@ -11626,9 +11626,9 @@ public function createPurchaseOrderAttachmentByFileName($xero_tenant_id$purchase
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant_id$purchase_order_id$file_name$body)
+    public function createPurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant_id, $purchase_order_id, $file_name, $body)
     {
-        $request = $this->createPurchaseOrderAttachmentByFileNameRequest($xero_tenant_id$purchase_order_id$file_name$body);
+        $request = $this->createPurchaseOrderAttachmentByFileNameRequest($xero_tenant_id, $purchase_order_id, $file_name, $body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -11723,9 +11723,9 @@ public function createPurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPurchaseOrderAttachmentByFileNameAsync($xero_tenant_id$purchase_order_id$file_name$body)
+    public function createPurchaseOrderAttachmentByFileNameAsync($xero_tenant_id, $purchase_order_id, $file_name, $body)
     {
-        return $this->createPurchaseOrderAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$purchase_order_id$file_name$body)
+        return $this->createPurchaseOrderAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id, $file_name, $body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -11741,10 +11741,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPurchaseOrderAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$purchase_order_id$file_name$body)
+    public function createPurchaseOrderAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id, $file_name, $body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->createPurchaseOrderAttachmentByFileNameRequest($xero_tenant_id$purchase_order_id$file_name$body);
+        $request = $this->createPurchaseOrderAttachmentByFileNameRequest($xero_tenant_id, $purchase_order_id, $file_name, $body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -11786,7 +11786,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPurchaseOrderAttachmentByFileNameRequest($xero_tenant_id$purchase_order_id$file_name$body)
+    protected function createPurchaseOrderAttachmentByFileNameRequest($xero_tenant_id, $purchase_order_id, $file_name, $body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -11911,9 +11911,9 @@ protected function createPurchaseOrderAttachmentByFileNameRequest($xero_tenant_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createPurchaseOrderHistory($xero_tenant_id$purchase_order_id$history_records)
+    public function createPurchaseOrderHistory($xero_tenant_id, $purchase_order_id, $history_records)
     {
-        list($response) = $this->createPurchaseOrderHistoryWithHttpInfo($xero_tenant_id$purchase_order_id$history_records);
+        list($response) = $this->createPurchaseOrderHistoryWithHttpInfo($xero_tenant_id, $purchase_order_id, $history_records);
         return $response;
     }
     /**
@@ -11926,9 +11926,9 @@ public function createPurchaseOrderHistory($xero_tenant_id$purchase_order_id$his
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPurchaseOrderHistoryWithHttpInfo($xero_tenant_id$purchase_order_id$history_records)
+    public function createPurchaseOrderHistoryWithHttpInfo($xero_tenant_id, $purchase_order_id, $history_records)
     {
-        $request = $this->createPurchaseOrderHistoryRequest($xero_tenant_id$purchase_order_id$history_records);
+        $request = $this->createPurchaseOrderHistoryRequest($xero_tenant_id, $purchase_order_id, $history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -12022,9 +12022,9 @@ public function createPurchaseOrderHistoryWithHttpInfo($xero_tenant_id$purchase_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPurchaseOrderHistoryAsync($xero_tenant_id$purchase_order_id$history_records)
+    public function createPurchaseOrderHistoryAsync($xero_tenant_id, $purchase_order_id, $history_records)
     {
-        return $this->createPurchaseOrderHistoryAsyncWithHttpInfo($xero_tenant_id$purchase_order_id$history_records)
+        return $this->createPurchaseOrderHistoryAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id, $history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -12039,10 +12039,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPurchaseOrderHistoryAsyncWithHttpInfo($xero_tenant_id$purchase_order_id$history_records)
+    public function createPurchaseOrderHistoryAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id, $history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createPurchaseOrderHistoryRequest($xero_tenant_id$purchase_order_id$history_records);
+        $request = $this->createPurchaseOrderHistoryRequest($xero_tenant_id, $purchase_order_id, $history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -12083,7 +12083,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPurchaseOrderHistoryRequest($xero_tenant_id$purchase_order_id$history_records)
+    protected function createPurchaseOrderHistoryRequest($xero_tenant_id, $purchase_order_id, $history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -12194,9 +12194,9 @@ protected function createPurchaseOrderHistoryRequest($xero_tenant_id$purchase_or
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createPurchaseOrders($xero_tenant_id$purchase_orders$summarize_errors = false)
+    public function createPurchaseOrders($xero_tenant_id, $purchase_orders, $summarize_errors = false)
     {
-        list($response) = $this->createPurchaseOrdersWithHttpInfo($xero_tenant_id$purchase_orders$summarize_errors);
+        list($response) = $this->createPurchaseOrdersWithHttpInfo($xero_tenant_id, $purchase_orders, $summarize_errors);
         return $response;
     }
     /**
@@ -12209,9 +12209,9 @@ public function createPurchaseOrders($xero_tenant_id$purchase_orders$summarize_e
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPurchaseOrdersWithHttpInfo($xero_tenant_id$purchase_orders$summarize_errors = false)
+    public function createPurchaseOrdersWithHttpInfo($xero_tenant_id, $purchase_orders, $summarize_errors = false)
     {
-        $request = $this->createPurchaseOrdersRequest($xero_tenant_id$purchase_orders$summarize_errors);
+        $request = $this->createPurchaseOrdersRequest($xero_tenant_id, $purchase_orders, $summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -12305,9 +12305,9 @@ public function createPurchaseOrdersWithHttpInfo($xero_tenant_id$purchase_orders
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPurchaseOrdersAsync($xero_tenant_id$purchase_orders$summarize_errors = false)
+    public function createPurchaseOrdersAsync($xero_tenant_id, $purchase_orders, $summarize_errors = false)
     {
-        return $this->createPurchaseOrdersAsyncWithHttpInfo($xero_tenant_id$purchase_orders$summarize_errors)
+        return $this->createPurchaseOrdersAsyncWithHttpInfo($xero_tenant_id, $purchase_orders, $summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -12322,10 +12322,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPurchaseOrdersAsyncWithHttpInfo($xero_tenant_id$purchase_orders$summarize_errors = false)
+    public function createPurchaseOrdersAsyncWithHttpInfo($xero_tenant_id, $purchase_orders, $summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders';
-        $request = $this->createPurchaseOrdersRequest($xero_tenant_id$purchase_orders$summarize_errors);
+        $request = $this->createPurchaseOrdersRequest($xero_tenant_id, $purchase_orders, $summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -12366,7 +12366,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPurchaseOrdersRequest($xero_tenant_id$purchase_orders$summarize_errors = false)
+    protected function createPurchaseOrdersRequest($xero_tenant_id, $purchase_orders, $summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -12468,9 +12468,9 @@ protected function createPurchaseOrdersRequest($xero_tenant_id$purchase_orders$s
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createQuoteAttachmentByFileName($xero_tenant_id$quote_id$file_name$body)
+    public function createQuoteAttachmentByFileName($xero_tenant_id, $quote_id, $file_name, $body)
     {
-        list($response) = $this->createQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$quote_id$file_name$body);
+        list($response) = $this->createQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $quote_id, $file_name, $body);
         return $response;
     }
     /**
@@ -12484,9 +12484,9 @@ public function createQuoteAttachmentByFileName($xero_tenant_id$quote_id$file_na
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$quote_id$file_name$body)
+    public function createQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $quote_id, $file_name, $body)
     {
-        $request = $this->createQuoteAttachmentByFileNameRequest($xero_tenant_id$quote_id$file_name$body);
+        $request = $this->createQuoteAttachmentByFileNameRequest($xero_tenant_id, $quote_id, $file_name, $body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -12581,9 +12581,9 @@ public function createQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$quot
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createQuoteAttachmentByFileNameAsync($xero_tenant_id$quote_id$file_name$body)
+    public function createQuoteAttachmentByFileNameAsync($xero_tenant_id, $quote_id, $file_name, $body)
     {
-        return $this->createQuoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$quote_id$file_name$body)
+        return $this->createQuoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $quote_id, $file_name, $body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -12599,10 +12599,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createQuoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$quote_id$file_name$body)
+    public function createQuoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $quote_id, $file_name, $body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->createQuoteAttachmentByFileNameRequest($xero_tenant_id$quote_id$file_name$body);
+        $request = $this->createQuoteAttachmentByFileNameRequest($xero_tenant_id, $quote_id, $file_name, $body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -12644,7 +12644,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createQuoteAttachmentByFileNameRequest($xero_tenant_id$quote_id$file_name$body)
+    protected function createQuoteAttachmentByFileNameRequest($xero_tenant_id, $quote_id, $file_name, $body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -12769,9 +12769,9 @@ protected function createQuoteAttachmentByFileNameRequest($xero_tenant_id$quote_
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createQuoteHistory($xero_tenant_id$quote_id$history_records)
+    public function createQuoteHistory($xero_tenant_id, $quote_id, $history_records)
     {
-        list($response) = $this->createQuoteHistoryWithHttpInfo($xero_tenant_id$quote_id$history_records);
+        list($response) = $this->createQuoteHistoryWithHttpInfo($xero_tenant_id, $quote_id, $history_records);
         return $response;
     }
     /**
@@ -12784,9 +12784,9 @@ public function createQuoteHistory($xero_tenant_id$quote_id$history_records)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createQuoteHistoryWithHttpInfo($xero_tenant_id$quote_id$history_records)
+    public function createQuoteHistoryWithHttpInfo($xero_tenant_id, $quote_id, $history_records)
     {
-        $request = $this->createQuoteHistoryRequest($xero_tenant_id$quote_id$history_records);
+        $request = $this->createQuoteHistoryRequest($xero_tenant_id, $quote_id, $history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -12880,9 +12880,9 @@ public function createQuoteHistoryWithHttpInfo($xero_tenant_id$quote_id$history_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createQuoteHistoryAsync($xero_tenant_id$quote_id$history_records)
+    public function createQuoteHistoryAsync($xero_tenant_id, $quote_id, $history_records)
     {
-        return $this->createQuoteHistoryAsyncWithHttpInfo($xero_tenant_id$quote_id$history_records)
+        return $this->createQuoteHistoryAsyncWithHttpInfo($xero_tenant_id, $quote_id, $history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -12897,10 +12897,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createQuoteHistoryAsyncWithHttpInfo($xero_tenant_id$quote_id$history_records)
+    public function createQuoteHistoryAsyncWithHttpInfo($xero_tenant_id, $quote_id, $history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createQuoteHistoryRequest($xero_tenant_id$quote_id$history_records);
+        $request = $this->createQuoteHistoryRequest($xero_tenant_id, $quote_id, $history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -12941,7 +12941,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createQuoteHistoryRequest($xero_tenant_id$quote_id$history_records)
+    protected function createQuoteHistoryRequest($xero_tenant_id, $quote_id, $history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -13052,9 +13052,9 @@ protected function createQuoteHistoryRequest($xero_tenant_id$quote_id$history_re
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Quotes|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createQuotes($xero_tenant_id$quotes$summarize_errors = false)
+    public function createQuotes($xero_tenant_id, $quotes, $summarize_errors = false)
     {
-        list($response) = $this->createQuotesWithHttpInfo($xero_tenant_id$quotes$summarize_errors);
+        list($response) = $this->createQuotesWithHttpInfo($xero_tenant_id, $quotes, $summarize_errors);
         return $response;
     }
     /**
@@ -13067,9 +13067,9 @@ public function createQuotes($xero_tenant_id$quotes$summarize_errors = false)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Quotes|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createQuotesWithHttpInfo($xero_tenant_id$quotes$summarize_errors = false)
+    public function createQuotesWithHttpInfo($xero_tenant_id, $quotes, $summarize_errors = false)
     {
-        $request = $this->createQuotesRequest($xero_tenant_id$quotes$summarize_errors);
+        $request = $this->createQuotesRequest($xero_tenant_id, $quotes, $summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -13163,9 +13163,9 @@ public function createQuotesWithHttpInfo($xero_tenant_id$quotes$summarize_errors
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createQuotesAsync($xero_tenant_id$quotes$summarize_errors = false)
+    public function createQuotesAsync($xero_tenant_id, $quotes, $summarize_errors = false)
     {
-        return $this->createQuotesAsyncWithHttpInfo($xero_tenant_id$quotes$summarize_errors)
+        return $this->createQuotesAsyncWithHttpInfo($xero_tenant_id, $quotes, $summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -13180,10 +13180,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createQuotesAsyncWithHttpInfo($xero_tenant_id$quotes$summarize_errors = false)
+    public function createQuotesAsyncWithHttpInfo($xero_tenant_id, $quotes, $summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Quotes';
-        $request = $this->createQuotesRequest($xero_tenant_id$quotes$summarize_errors);
+        $request = $this->createQuotesRequest($xero_tenant_id, $quotes, $summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -13224,7 +13224,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createQuotesRequest($xero_tenant_id$quotes$summarize_errors = false)
+    protected function createQuotesRequest($xero_tenant_id, $quotes, $summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -13325,9 +13325,9 @@ protected function createQuotesRequest($xero_tenant_id$quotes$summarize_errors =
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Receipts|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createReceipt($xero_tenant_id$receipts$unitdp = null)
+    public function createReceipt($xero_tenant_id, $receipts, $unitdp = null)
     {
-        list($response) = $this->createReceiptWithHttpInfo($xero_tenant_id$receipts$unitdp);
+        list($response) = $this->createReceiptWithHttpInfo($xero_tenant_id, $receipts, $unitdp);
         return $response;
     }
     /**
@@ -13340,9 +13340,9 @@ public function createReceipt($xero_tenant_id$receipts$unitdp = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Receipts|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createReceiptWithHttpInfo($xero_tenant_id$receipts$unitdp = null)
+    public function createReceiptWithHttpInfo($xero_tenant_id, $receipts, $unitdp = null)
     {
-        $request = $this->createReceiptRequest($xero_tenant_id$receipts$unitdp);
+        $request = $this->createReceiptRequest($xero_tenant_id, $receipts, $unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -13436,9 +13436,9 @@ public function createReceiptWithHttpInfo($xero_tenant_id$receipts$unitdp = null
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createReceiptAsync($xero_tenant_id$receipts$unitdp = null)
+    public function createReceiptAsync($xero_tenant_id, $receipts, $unitdp = null)
     {
-        return $this->createReceiptAsyncWithHttpInfo($xero_tenant_id$receipts$unitdp)
+        return $this->createReceiptAsyncWithHttpInfo($xero_tenant_id, $receipts, $unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -13453,10 +13453,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createReceiptAsyncWithHttpInfo($xero_tenant_id$receipts$unitdp = null)
+    public function createReceiptAsyncWithHttpInfo($xero_tenant_id, $receipts, $unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Receipts';
-        $request = $this->createReceiptRequest($xero_tenant_id$receipts$unitdp);
+        $request = $this->createReceiptRequest($xero_tenant_id, $receipts, $unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -13497,7 +13497,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createReceiptRequest($xero_tenant_id$receipts$unitdp = null)
+    protected function createReceiptRequest($xero_tenant_id, $receipts, $unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -13599,9 +13599,9 @@ protected function createReceiptRequest($xero_tenant_id$receipts$unitdp = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createReceiptAttachmentByFileName($xero_tenant_id$receipt_id$file_name$body)
+    public function createReceiptAttachmentByFileName($xero_tenant_id, $receipt_id, $file_name, $body)
     {
-        list($response) = $this->createReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id$receipt_id$file_name$body);
+        list($response) = $this->createReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id, $receipt_id, $file_name, $body);
         return $response;
     }
     /**
@@ -13615,9 +13615,9 @@ public function createReceiptAttachmentByFileName($xero_tenant_id$receipt_id$fil
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id$receipt_id$file_name$body)
+    public function createReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id, $receipt_id, $file_name, $body)
     {
-        $request = $this->createReceiptAttachmentByFileNameRequest($xero_tenant_id$receipt_id$file_name$body);
+        $request = $this->createReceiptAttachmentByFileNameRequest($xero_tenant_id, $receipt_id, $file_name, $body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -13712,9 +13712,9 @@ public function createReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id$re
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createReceiptAttachmentByFileNameAsync($xero_tenant_id$receipt_id$file_name$body)
+    public function createReceiptAttachmentByFileNameAsync($xero_tenant_id, $receipt_id, $file_name, $body)
     {
-        return $this->createReceiptAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$receipt_id$file_name$body)
+        return $this->createReceiptAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $file_name, $body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -13730,10 +13730,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createReceiptAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$receipt_id$file_name$body)
+    public function createReceiptAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $file_name, $body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->createReceiptAttachmentByFileNameRequest($xero_tenant_id$receipt_id$file_name$body);
+        $request = $this->createReceiptAttachmentByFileNameRequest($xero_tenant_id, $receipt_id, $file_name, $body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -13775,7 +13775,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createReceiptAttachmentByFileNameRequest($xero_tenant_id$receipt_id$file_name$body)
+    protected function createReceiptAttachmentByFileNameRequest($xero_tenant_id, $receipt_id, $file_name, $body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -13900,9 +13900,9 @@ protected function createReceiptAttachmentByFileNameRequest($xero_tenant_id$rece
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createReceiptHistory($xero_tenant_id$receipt_id$history_records)
+    public function createReceiptHistory($xero_tenant_id, $receipt_id, $history_records)
     {
-        list($response) = $this->createReceiptHistoryWithHttpInfo($xero_tenant_id$receipt_id$history_records);
+        list($response) = $this->createReceiptHistoryWithHttpInfo($xero_tenant_id, $receipt_id, $history_records);
         return $response;
     }
     /**
@@ -13915,9 +13915,9 @@ public function createReceiptHistory($xero_tenant_id$receipt_id$history_records)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createReceiptHistoryWithHttpInfo($xero_tenant_id$receipt_id$history_records)
+    public function createReceiptHistoryWithHttpInfo($xero_tenant_id, $receipt_id, $history_records)
     {
-        $request = $this->createReceiptHistoryRequest($xero_tenant_id$receipt_id$history_records);
+        $request = $this->createReceiptHistoryRequest($xero_tenant_id, $receipt_id, $history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -14011,9 +14011,9 @@ public function createReceiptHistoryWithHttpInfo($xero_tenant_id$receipt_id$hist
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createReceiptHistoryAsync($xero_tenant_id$receipt_id$history_records)
+    public function createReceiptHistoryAsync($xero_tenant_id, $receipt_id, $history_records)
     {
-        return $this->createReceiptHistoryAsyncWithHttpInfo($xero_tenant_id$receipt_id$history_records)
+        return $this->createReceiptHistoryAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -14028,10 +14028,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createReceiptHistoryAsyncWithHttpInfo($xero_tenant_id$receipt_id$history_records)
+    public function createReceiptHistoryAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createReceiptHistoryRequest($xero_tenant_id$receipt_id$history_records);
+        $request = $this->createReceiptHistoryRequest($xero_tenant_id, $receipt_id, $history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -14072,7 +14072,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createReceiptHistoryRequest($xero_tenant_id$receipt_id$history_records)
+    protected function createReceiptHistoryRequest($xero_tenant_id, $receipt_id, $history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -14184,9 +14184,9 @@ protected function createReceiptHistoryRequest($xero_tenant_id$receipt_id$histor
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createRepeatingInvoiceAttachmentByFileName($xero_tenant_id$repeating_invoice_id$file_name$body)
+    public function createRepeatingInvoiceAttachmentByFileName($xero_tenant_id, $repeating_invoice_id, $file_name, $body)
     {
-        list($response) = $this->createRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id$repeating_invoice_id$file_name$body);
+        list($response) = $this->createRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $file_name, $body);
         return $response;
     }
     /**
@@ -14200,9 +14200,9 @@ public function createRepeatingInvoiceAttachmentByFileName($xero_tenant_id$repea
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id$repeating_invoice_id$file_name$body)
+    public function createRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $file_name, $body)
     {
-        $request = $this->createRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id$repeating_invoice_id$file_name$body);
+        $request = $this->createRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id, $repeating_invoice_id, $file_name, $body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -14297,9 +14297,9 @@ public function createRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_ten
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createRepeatingInvoiceAttachmentByFileNameAsync($xero_tenant_id$repeating_invoice_id$file_name$body)
+    public function createRepeatingInvoiceAttachmentByFileNameAsync($xero_tenant_id, $repeating_invoice_id, $file_name, $body)
     {
-        return $this->createRepeatingInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id$file_name$body)
+        return $this->createRepeatingInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $file_name, $body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -14315,10 +14315,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createRepeatingInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id$file_name$body)
+    public function createRepeatingInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $file_name, $body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->createRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id$repeating_invoice_id$file_name$body);
+        $request = $this->createRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id, $repeating_invoice_id, $file_name, $body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -14360,7 +14360,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id$repeating_invoice_id$file_name$body)
+    protected function createRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id, $repeating_invoice_id, $file_name, $body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -14485,9 +14485,9 @@ protected function createRepeatingInvoiceAttachmentByFileNameRequest($xero_tenan
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createRepeatingInvoiceHistory($xero_tenant_id$repeating_invoice_id$history_records)
+    public function createRepeatingInvoiceHistory($xero_tenant_id, $repeating_invoice_id, $history_records)
     {
-        list($response) = $this->createRepeatingInvoiceHistoryWithHttpInfo($xero_tenant_id$repeating_invoice_id$history_records);
+        list($response) = $this->createRepeatingInvoiceHistoryWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $history_records);
         return $response;
     }
     /**
@@ -14500,9 +14500,9 @@ public function createRepeatingInvoiceHistory($xero_tenant_id$repeating_invoice_
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createRepeatingInvoiceHistoryWithHttpInfo($xero_tenant_id$repeating_invoice_id$history_records)
+    public function createRepeatingInvoiceHistoryWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $history_records)
     {
-        $request = $this->createRepeatingInvoiceHistoryRequest($xero_tenant_id$repeating_invoice_id$history_records);
+        $request = $this->createRepeatingInvoiceHistoryRequest($xero_tenant_id, $repeating_invoice_id, $history_records);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -14596,9 +14596,9 @@ public function createRepeatingInvoiceHistoryWithHttpInfo($xero_tenant_id$repeat
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createRepeatingInvoiceHistoryAsync($xero_tenant_id$repeating_invoice_id$history_records)
+    public function createRepeatingInvoiceHistoryAsync($xero_tenant_id, $repeating_invoice_id, $history_records)
     {
-        return $this->createRepeatingInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id$history_records)
+        return $this->createRepeatingInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $history_records)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -14613,10 +14613,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createRepeatingInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id$history_records)
+    public function createRepeatingInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $history_records)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->createRepeatingInvoiceHistoryRequest($xero_tenant_id$repeating_invoice_id$history_records);
+        $request = $this->createRepeatingInvoiceHistoryRequest($xero_tenant_id, $repeating_invoice_id, $history_records);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -14657,7 +14657,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords $history_records HistoryRecords containing an array of HistoryRecord objects in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createRepeatingInvoiceHistoryRequest($xero_tenant_id$repeating_invoice_id$history_records)
+    protected function createRepeatingInvoiceHistoryRequest($xero_tenant_id, $repeating_invoice_id, $history_records)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -14767,9 +14767,9 @@ protected function createRepeatingInvoiceHistoryRequest($xero_tenant_id$repeatin
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\TaxRates|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createTaxRates($xero_tenant_id$tax_rates)
+    public function createTaxRates($xero_tenant_id, $tax_rates)
     {
-        list($response) = $this->createTaxRatesWithHttpInfo($xero_tenant_id$tax_rates);
+        list($response) = $this->createTaxRatesWithHttpInfo($xero_tenant_id, $tax_rates);
         return $response;
     }
     /**
@@ -14781,9 +14781,9 @@ public function createTaxRates($xero_tenant_id$tax_rates)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\TaxRates|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createTaxRatesWithHttpInfo($xero_tenant_id$tax_rates)
+    public function createTaxRatesWithHttpInfo($xero_tenant_id, $tax_rates)
     {
-        $request = $this->createTaxRatesRequest($xero_tenant_id$tax_rates);
+        $request = $this->createTaxRatesRequest($xero_tenant_id, $tax_rates);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -14876,9 +14876,9 @@ public function createTaxRatesWithHttpInfo($xero_tenant_id$tax_rates)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createTaxRatesAsync($xero_tenant_id$tax_rates)
+    public function createTaxRatesAsync($xero_tenant_id, $tax_rates)
     {
-        return $this->createTaxRatesAsyncWithHttpInfo($xero_tenant_id$tax_rates)
+        return $this->createTaxRatesAsyncWithHttpInfo($xero_tenant_id, $tax_rates)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -14892,10 +14892,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\TaxRates $tax_rates TaxRates array with TaxRate object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createTaxRatesAsyncWithHttpInfo($xero_tenant_id$tax_rates)
+    public function createTaxRatesAsyncWithHttpInfo($xero_tenant_id, $tax_rates)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\TaxRates';
-        $request = $this->createTaxRatesRequest($xero_tenant_id$tax_rates);
+        $request = $this->createTaxRatesRequest($xero_tenant_id, $tax_rates);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -14935,7 +14935,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\TaxRates $tax_rates TaxRates array with TaxRate object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createTaxRatesRequest($xero_tenant_id$tax_rates)
+    protected function createTaxRatesRequest($xero_tenant_id, $tax_rates)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -15031,9 +15031,9 @@ protected function createTaxRatesRequest($xero_tenant_id$tax_rates)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\TrackingCategories|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createTrackingCategory($xero_tenant_id$tracking_category)
+    public function createTrackingCategory($xero_tenant_id, $tracking_category)
     {
-        list($response) = $this->createTrackingCategoryWithHttpInfo($xero_tenant_id$tracking_category);
+        list($response) = $this->createTrackingCategoryWithHttpInfo($xero_tenant_id, $tracking_category);
         return $response;
     }
     /**
@@ -15045,9 +15045,9 @@ public function createTrackingCategory($xero_tenant_id$tracking_category)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\TrackingCategories|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createTrackingCategoryWithHttpInfo($xero_tenant_id$tracking_category)
+    public function createTrackingCategoryWithHttpInfo($xero_tenant_id, $tracking_category)
     {
-        $request = $this->createTrackingCategoryRequest($xero_tenant_id$tracking_category);
+        $request = $this->createTrackingCategoryRequest($xero_tenant_id, $tracking_category);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -15140,9 +15140,9 @@ public function createTrackingCategoryWithHttpInfo($xero_tenant_id$tracking_cate
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createTrackingCategoryAsync($xero_tenant_id$tracking_category)
+    public function createTrackingCategoryAsync($xero_tenant_id, $tracking_category)
     {
-        return $this->createTrackingCategoryAsyncWithHttpInfo($xero_tenant_id$tracking_category)
+        return $this->createTrackingCategoryAsyncWithHttpInfo($xero_tenant_id, $tracking_category)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -15156,10 +15156,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\TrackingCategory $tracking_category TrackingCategory object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createTrackingCategoryAsyncWithHttpInfo($xero_tenant_id$tracking_category)
+    public function createTrackingCategoryAsyncWithHttpInfo($xero_tenant_id, $tracking_category)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\TrackingCategories';
-        $request = $this->createTrackingCategoryRequest($xero_tenant_id$tracking_category);
+        $request = $this->createTrackingCategoryRequest($xero_tenant_id, $tracking_category);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -15199,7 +15199,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\TrackingCategory $tracking_category TrackingCategory object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createTrackingCategoryRequest($xero_tenant_id$tracking_category)
+    protected function createTrackingCategoryRequest($xero_tenant_id, $tracking_category)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -15296,9 +15296,9 @@ protected function createTrackingCategoryRequest($xero_tenant_id$tracking_catego
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\TrackingOptions|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function createTrackingOptions($xero_tenant_id$tracking_category_id$tracking_option)
+    public function createTrackingOptions($xero_tenant_id, $tracking_category_id, $tracking_option)
     {
-        list($response) = $this->createTrackingOptionsWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_option);
+        list($response) = $this->createTrackingOptionsWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_option);
         return $response;
     }
     /**
@@ -15311,9 +15311,9 @@ public function createTrackingOptions($xero_tenant_id$tracking_category_id$track
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\TrackingOptions|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createTrackingOptionsWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_option)
+    public function createTrackingOptionsWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_option)
     {
-        $request = $this->createTrackingOptionsRequest($xero_tenant_id$tracking_category_id$tracking_option);
+        $request = $this->createTrackingOptionsRequest($xero_tenant_id, $tracking_category_id, $tracking_option);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -15407,9 +15407,9 @@ public function createTrackingOptionsWithHttpInfo($xero_tenant_id$tracking_categ
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createTrackingOptionsAsync($xero_tenant_id$tracking_category_id$tracking_option)
+    public function createTrackingOptionsAsync($xero_tenant_id, $tracking_category_id, $tracking_option)
     {
-        return $this->createTrackingOptionsAsyncWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_option)
+        return $this->createTrackingOptionsAsyncWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_option)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -15424,10 +15424,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\TrackingOption $tracking_option TrackingOption object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createTrackingOptionsAsyncWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_option)
+    public function createTrackingOptionsAsyncWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_option)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\TrackingOptions';
-        $request = $this->createTrackingOptionsRequest($xero_tenant_id$tracking_category_id$tracking_option);
+        $request = $this->createTrackingOptionsRequest($xero_tenant_id, $tracking_category_id, $tracking_option);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -15468,7 +15468,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\TrackingOption $tracking_option TrackingOption object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createTrackingOptionsRequest($xero_tenant_id$tracking_category_id$tracking_option)
+    protected function createTrackingOptionsRequest($xero_tenant_id, $tracking_category_id, $tracking_option)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -15578,9 +15578,9 @@ protected function createTrackingOptionsRequest($xero_tenant_id$tracking_categor
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Accounts|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function deleteAccount($xero_tenant_id$account_id)
+    public function deleteAccount($xero_tenant_id, $account_id)
     {
-        list($response) = $this->deleteAccountWithHttpInfo($xero_tenant_id$account_id);
+        list($response) = $this->deleteAccountWithHttpInfo($xero_tenant_id, $account_id);
         return $response;
     }
     /**
@@ -15592,9 +15592,9 @@ public function deleteAccount($xero_tenant_id$account_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Accounts|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteAccountWithHttpInfo($xero_tenant_id$account_id)
+    public function deleteAccountWithHttpInfo($xero_tenant_id, $account_id)
     {
-        $request = $this->deleteAccountRequest($xero_tenant_id$account_id);
+        $request = $this->deleteAccountRequest($xero_tenant_id, $account_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -15687,9 +15687,9 @@ public function deleteAccountWithHttpInfo($xero_tenant_id$account_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteAccountAsync($xero_tenant_id$account_id)
+    public function deleteAccountAsync($xero_tenant_id, $account_id)
     {
-        return $this->deleteAccountAsyncWithHttpInfo($xero_tenant_id$account_id)
+        return $this->deleteAccountAsyncWithHttpInfo($xero_tenant_id, $account_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -15703,10 +15703,10 @@ function ($response) {
      * @param  string $account_id Unique identifier for Account object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteAccountAsyncWithHttpInfo($xero_tenant_id$account_id)
+    public function deleteAccountAsyncWithHttpInfo($xero_tenant_id, $account_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Accounts';
-        $request = $this->deleteAccountRequest($xero_tenant_id$account_id);
+        $request = $this->deleteAccountRequest($xero_tenant_id, $account_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -15746,7 +15746,7 @@ function ($exception) {
      * @param  string $account_id Unique identifier for Account object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteAccountRequest($xero_tenant_id$account_id)
+    protected function deleteAccountRequest($xero_tenant_id, $account_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -15848,9 +15848,9 @@ protected function deleteAccountRequest($xero_tenant_id$account_id)
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function deleteContactGroupContact($xero_tenant_id$contact_group_id$contact_id)
+    public function deleteContactGroupContact($xero_tenant_id, $contact_group_id, $contact_id)
     {
-        $this->deleteContactGroupContactWithHttpInfo($xero_tenant_id$contact_group_id$contact_id);
+        $this->deleteContactGroupContactWithHttpInfo($xero_tenant_id, $contact_group_id, $contact_id);
     }
     /**
      * Operation deleteContactGroupContactWithHttpInfo
@@ -15862,9 +15862,9 @@ public function deleteContactGroupContact($xero_tenant_id$contact_group_id$conta
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteContactGroupContactWithHttpInfo($xero_tenant_id$contact_group_id$contact_id)
+    public function deleteContactGroupContactWithHttpInfo($xero_tenant_id, $contact_group_id, $contact_id)
     {
-        $request = $this->deleteContactGroupContactRequest($xero_tenant_id$contact_group_id$contact_id);
+        $request = $this->deleteContactGroupContactRequest($xero_tenant_id, $contact_group_id, $contact_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -15914,9 +15914,9 @@ public function deleteContactGroupContactWithHttpInfo($xero_tenant_id$contact_gr
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteContactGroupContactAsync($xero_tenant_id$contact_group_id$contact_id)
+    public function deleteContactGroupContactAsync($xero_tenant_id, $contact_group_id, $contact_id)
     {
-        return $this->deleteContactGroupContactAsyncWithHttpInfo($xero_tenant_id$contact_group_id$contact_id)
+        return $this->deleteContactGroupContactAsyncWithHttpInfo($xero_tenant_id, $contact_group_id, $contact_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -15931,10 +15931,10 @@ function ($response) {
      * @param  string $contact_id Unique identifier for a Contact (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteContactGroupContactAsyncWithHttpInfo($xero_tenant_id$contact_group_id$contact_id)
+    public function deleteContactGroupContactAsyncWithHttpInfo($xero_tenant_id, $contact_group_id, $contact_id)
     {
         $returnType = '';
-        $request = $this->deleteContactGroupContactRequest($xero_tenant_id$contact_group_id$contact_id);
+        $request = $this->deleteContactGroupContactRequest($xero_tenant_id, $contact_group_id, $contact_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -15965,7 +15965,7 @@ function ($exception) {
      * @param  string $contact_id Unique identifier for a Contact (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteContactGroupContactRequest($xero_tenant_id$contact_group_id$contact_id)
+    protected function deleteContactGroupContactRequest($xero_tenant_id, $contact_group_id, $contact_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -16080,9 +16080,9 @@ protected function deleteContactGroupContactRequest($xero_tenant_id$contact_grou
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function deleteContactGroupContacts($xero_tenant_id$contact_group_id)
+    public function deleteContactGroupContacts($xero_tenant_id, $contact_group_id)
     {
-        $this->deleteContactGroupContactsWithHttpInfo($xero_tenant_id$contact_group_id);
+        $this->deleteContactGroupContactsWithHttpInfo($xero_tenant_id, $contact_group_id);
     }
     /**
      * Operation deleteContactGroupContactsWithHttpInfo
@@ -16093,9 +16093,9 @@ public function deleteContactGroupContacts($xero_tenant_id$contact_group_id)
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteContactGroupContactsWithHttpInfo($xero_tenant_id$contact_group_id)
+    public function deleteContactGroupContactsWithHttpInfo($xero_tenant_id, $contact_group_id)
     {
-        $request = $this->deleteContactGroupContactsRequest($xero_tenant_id$contact_group_id);
+        $request = $this->deleteContactGroupContactsRequest($xero_tenant_id, $contact_group_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -16136,9 +16136,9 @@ public function deleteContactGroupContactsWithHttpInfo($xero_tenant_id$contact_g
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteContactGroupContactsAsync($xero_tenant_id$contact_group_id)
+    public function deleteContactGroupContactsAsync($xero_tenant_id, $contact_group_id)
     {
-        return $this->deleteContactGroupContactsAsyncWithHttpInfo($xero_tenant_id$contact_group_id)
+        return $this->deleteContactGroupContactsAsyncWithHttpInfo($xero_tenant_id, $contact_group_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -16152,10 +16152,10 @@ function ($response) {
      * @param  string $contact_group_id Unique identifier for a Contact Group (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteContactGroupContactsAsyncWithHttpInfo($xero_tenant_id$contact_group_id)
+    public function deleteContactGroupContactsAsyncWithHttpInfo($xero_tenant_id, $contact_group_id)
     {
         $returnType = '';
-        $request = $this->deleteContactGroupContactsRequest($xero_tenant_id$contact_group_id);
+        $request = $this->deleteContactGroupContactsRequest($xero_tenant_id, $contact_group_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -16185,7 +16185,7 @@ function ($exception) {
      * @param  string $contact_group_id Unique identifier for a Contact Group (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteContactGroupContactsRequest($xero_tenant_id$contact_group_id)
+    protected function deleteContactGroupContactsRequest($xero_tenant_id, $contact_group_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -16286,9 +16286,9 @@ protected function deleteContactGroupContactsRequest($xero_tenant_id$contact_gro
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function deleteItem($xero_tenant_id$item_id)
+    public function deleteItem($xero_tenant_id, $item_id)
     {
-        $this->deleteItemWithHttpInfo($xero_tenant_id$item_id);
+        $this->deleteItemWithHttpInfo($xero_tenant_id, $item_id);
     }
     /**
      * Operation deleteItemWithHttpInfo
@@ -16299,9 +16299,9 @@ public function deleteItem($xero_tenant_id$item_id)
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteItemWithHttpInfo($xero_tenant_id$item_id)
+    public function deleteItemWithHttpInfo($xero_tenant_id, $item_id)
     {
-        $request = $this->deleteItemRequest($xero_tenant_id$item_id);
+        $request = $this->deleteItemRequest($xero_tenant_id, $item_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -16350,9 +16350,9 @@ public function deleteItemWithHttpInfo($xero_tenant_id$item_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteItemAsync($xero_tenant_id$item_id)
+    public function deleteItemAsync($xero_tenant_id, $item_id)
     {
-        return $this->deleteItemAsyncWithHttpInfo($xero_tenant_id$item_id)
+        return $this->deleteItemAsyncWithHttpInfo($xero_tenant_id, $item_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -16366,10 +16366,10 @@ function ($response) {
      * @param  string $item_id Unique identifier for an Item (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteItemAsyncWithHttpInfo($xero_tenant_id$item_id)
+    public function deleteItemAsyncWithHttpInfo($xero_tenant_id, $item_id)
     {
         $returnType = '';
-        $request = $this->deleteItemRequest($xero_tenant_id$item_id);
+        $request = $this->deleteItemRequest($xero_tenant_id, $item_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -16399,7 +16399,7 @@ function ($exception) {
      * @param  string $item_id Unique identifier for an Item (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteItemRequest($xero_tenant_id$item_id)
+    protected function deleteItemRequest($xero_tenant_id, $item_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -16500,9 +16500,9 @@ protected function deleteItemRequest($xero_tenant_id$item_id)
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function deleteLinkedTransaction($xero_tenant_id$linked_transaction_id)
+    public function deleteLinkedTransaction($xero_tenant_id, $linked_transaction_id)
     {
-        $this->deleteLinkedTransactionWithHttpInfo($xero_tenant_id$linked_transaction_id);
+        $this->deleteLinkedTransactionWithHttpInfo($xero_tenant_id, $linked_transaction_id);
     }
     /**
      * Operation deleteLinkedTransactionWithHttpInfo
@@ -16513,9 +16513,9 @@ public function deleteLinkedTransaction($xero_tenant_id$linked_transaction_id)
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteLinkedTransactionWithHttpInfo($xero_tenant_id$linked_transaction_id)
+    public function deleteLinkedTransactionWithHttpInfo($xero_tenant_id, $linked_transaction_id)
     {
-        $request = $this->deleteLinkedTransactionRequest($xero_tenant_id$linked_transaction_id);
+        $request = $this->deleteLinkedTransactionRequest($xero_tenant_id, $linked_transaction_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -16564,9 +16564,9 @@ public function deleteLinkedTransactionWithHttpInfo($xero_tenant_id$linked_trans
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteLinkedTransactionAsync($xero_tenant_id$linked_transaction_id)
+    public function deleteLinkedTransactionAsync($xero_tenant_id, $linked_transaction_id)
     {
-        return $this->deleteLinkedTransactionAsyncWithHttpInfo($xero_tenant_id$linked_transaction_id)
+        return $this->deleteLinkedTransactionAsyncWithHttpInfo($xero_tenant_id, $linked_transaction_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -16580,10 +16580,10 @@ function ($response) {
      * @param  string $linked_transaction_id Unique identifier for a LinkedTransaction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteLinkedTransactionAsyncWithHttpInfo($xero_tenant_id$linked_transaction_id)
+    public function deleteLinkedTransactionAsyncWithHttpInfo($xero_tenant_id, $linked_transaction_id)
     {
         $returnType = '';
-        $request = $this->deleteLinkedTransactionRequest($xero_tenant_id$linked_transaction_id);
+        $request = $this->deleteLinkedTransactionRequest($xero_tenant_id, $linked_transaction_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -16613,7 +16613,7 @@ function ($exception) {
      * @param  string $linked_transaction_id Unique identifier for a LinkedTransaction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteLinkedTransactionRequest($xero_tenant_id$linked_transaction_id)
+    protected function deleteLinkedTransactionRequest($xero_tenant_id, $linked_transaction_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -16715,9 +16715,9 @@ protected function deleteLinkedTransactionRequest($xero_tenant_id$linked_transac
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Payments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function deletePayment($xero_tenant_id$payment_id$payment_delete)
+    public function deletePayment($xero_tenant_id, $payment_id, $payment_delete)
     {
-        list($response) = $this->deletePaymentWithHttpInfo($xero_tenant_id$payment_id$payment_delete);
+        list($response) = $this->deletePaymentWithHttpInfo($xero_tenant_id, $payment_id, $payment_delete);
         return $response;
     }
     /**
@@ -16730,9 +16730,9 @@ public function deletePayment($xero_tenant_id$payment_id$payment_delete)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Payments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deletePaymentWithHttpInfo($xero_tenant_id$payment_id$payment_delete)
+    public function deletePaymentWithHttpInfo($xero_tenant_id, $payment_id, $payment_delete)
     {
-        $request = $this->deletePaymentRequest($xero_tenant_id$payment_id$payment_delete);
+        $request = $this->deletePaymentRequest($xero_tenant_id, $payment_id, $payment_delete);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -16826,9 +16826,9 @@ public function deletePaymentWithHttpInfo($xero_tenant_id$payment_id$payment_del
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deletePaymentAsync($xero_tenant_id$payment_id$payment_delete)
+    public function deletePaymentAsync($xero_tenant_id, $payment_id, $payment_delete)
     {
-        return $this->deletePaymentAsyncWithHttpInfo($xero_tenant_id$payment_id$payment_delete)
+        return $this->deletePaymentAsyncWithHttpInfo($xero_tenant_id, $payment_id, $payment_delete)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -16843,10 +16843,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\PaymentDelete $payment_delete (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deletePaymentAsyncWithHttpInfo($xero_tenant_id$payment_id$payment_delete)
+    public function deletePaymentAsyncWithHttpInfo($xero_tenant_id, $payment_id, $payment_delete)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Payments';
-        $request = $this->deletePaymentRequest($xero_tenant_id$payment_id$payment_delete);
+        $request = $this->deletePaymentRequest($xero_tenant_id, $payment_id, $payment_delete);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -16887,7 +16887,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\PaymentDelete $payment_delete (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deletePaymentRequest($xero_tenant_id$payment_id$payment_delete)
+    protected function deletePaymentRequest($xero_tenant_id, $payment_id, $payment_delete)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -16997,9 +16997,9 @@ protected function deletePaymentRequest($xero_tenant_id$payment_id$payment_delet
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\TrackingCategories|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function deleteTrackingCategory($xero_tenant_id$tracking_category_id)
+    public function deleteTrackingCategory($xero_tenant_id, $tracking_category_id)
     {
-        list($response) = $this->deleteTrackingCategoryWithHttpInfo($xero_tenant_id$tracking_category_id);
+        list($response) = $this->deleteTrackingCategoryWithHttpInfo($xero_tenant_id, $tracking_category_id);
         return $response;
     }
     /**
@@ -17011,9 +17011,9 @@ public function deleteTrackingCategory($xero_tenant_id$tracking_category_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\TrackingCategories|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteTrackingCategoryWithHttpInfo($xero_tenant_id$tracking_category_id)
+    public function deleteTrackingCategoryWithHttpInfo($xero_tenant_id, $tracking_category_id)
     {
-        $request = $this->deleteTrackingCategoryRequest($xero_tenant_id$tracking_category_id);
+        $request = $this->deleteTrackingCategoryRequest($xero_tenant_id, $tracking_category_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -17106,9 +17106,9 @@ public function deleteTrackingCategoryWithHttpInfo($xero_tenant_id$tracking_cate
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteTrackingCategoryAsync($xero_tenant_id$tracking_category_id)
+    public function deleteTrackingCategoryAsync($xero_tenant_id, $tracking_category_id)
     {
-        return $this->deleteTrackingCategoryAsyncWithHttpInfo($xero_tenant_id$tracking_category_id)
+        return $this->deleteTrackingCategoryAsyncWithHttpInfo($xero_tenant_id, $tracking_category_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -17122,10 +17122,10 @@ function ($response) {
      * @param  string $tracking_category_id Unique identifier for a TrackingCategory (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteTrackingCategoryAsyncWithHttpInfo($xero_tenant_id$tracking_category_id)
+    public function deleteTrackingCategoryAsyncWithHttpInfo($xero_tenant_id, $tracking_category_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\TrackingCategories';
-        $request = $this->deleteTrackingCategoryRequest($xero_tenant_id$tracking_category_id);
+        $request = $this->deleteTrackingCategoryRequest($xero_tenant_id, $tracking_category_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -17165,7 +17165,7 @@ function ($exception) {
      * @param  string $tracking_category_id Unique identifier for a TrackingCategory (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteTrackingCategoryRequest($xero_tenant_id$tracking_category_id)
+    protected function deleteTrackingCategoryRequest($xero_tenant_id, $tracking_category_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -17267,9 +17267,9 @@ protected function deleteTrackingCategoryRequest($xero_tenant_id$tracking_catego
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\TrackingOptions|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function deleteTrackingOptions($xero_tenant_id$tracking_category_id$tracking_option_id)
+    public function deleteTrackingOptions($xero_tenant_id, $tracking_category_id, $tracking_option_id)
     {
-        list($response) = $this->deleteTrackingOptionsWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_option_id);
+        list($response) = $this->deleteTrackingOptionsWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_option_id);
         return $response;
     }
     /**
@@ -17282,9 +17282,9 @@ public function deleteTrackingOptions($xero_tenant_id$tracking_category_id$track
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\TrackingOptions|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteTrackingOptionsWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_option_id)
+    public function deleteTrackingOptionsWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_option_id)
     {
-        $request = $this->deleteTrackingOptionsRequest($xero_tenant_id$tracking_category_id$tracking_option_id);
+        $request = $this->deleteTrackingOptionsRequest($xero_tenant_id, $tracking_category_id, $tracking_option_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -17378,9 +17378,9 @@ public function deleteTrackingOptionsWithHttpInfo($xero_tenant_id$tracking_categ
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteTrackingOptionsAsync($xero_tenant_id$tracking_category_id$tracking_option_id)
+    public function deleteTrackingOptionsAsync($xero_tenant_id, $tracking_category_id, $tracking_option_id)
     {
-        return $this->deleteTrackingOptionsAsyncWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_option_id)
+        return $this->deleteTrackingOptionsAsyncWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_option_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -17395,10 +17395,10 @@ function ($response) {
      * @param  string $tracking_option_id Unique identifier for a Tracking Option (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteTrackingOptionsAsyncWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_option_id)
+    public function deleteTrackingOptionsAsyncWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_option_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\TrackingOptions';
-        $request = $this->deleteTrackingOptionsRequest($xero_tenant_id$tracking_category_id$tracking_option_id);
+        $request = $this->deleteTrackingOptionsRequest($xero_tenant_id, $tracking_category_id, $tracking_option_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -17439,7 +17439,7 @@ function ($exception) {
      * @param  string $tracking_option_id Unique identifier for a Tracking Option (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteTrackingOptionsRequest($xero_tenant_id$tracking_category_id$tracking_option_id)
+    protected function deleteTrackingOptionsRequest($xero_tenant_id, $tracking_category_id, $tracking_option_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -17555,9 +17555,9 @@ protected function deleteTrackingOptionsRequest($xero_tenant_id$tracking_categor
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function emailInvoice($xero_tenant_id$invoice_id$request_empty)
+    public function emailInvoice($xero_tenant_id, $invoice_id, $request_empty)
     {
-        $this->emailInvoiceWithHttpInfo($xero_tenant_id$invoice_id$request_empty);
+        $this->emailInvoiceWithHttpInfo($xero_tenant_id, $invoice_id, $request_empty);
     }
     /**
      * Operation emailInvoiceWithHttpInfo
@@ -17569,9 +17569,9 @@ public function emailInvoice($xero_tenant_id$invoice_id$request_empty)
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function emailInvoiceWithHttpInfo($xero_tenant_id$invoice_id$request_empty)
+    public function emailInvoiceWithHttpInfo($xero_tenant_id, $invoice_id, $request_empty)
     {
-        $request = $this->emailInvoiceRequest($xero_tenant_id$invoice_id$request_empty);
+        $request = $this->emailInvoiceRequest($xero_tenant_id, $invoice_id, $request_empty);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -17621,9 +17621,9 @@ public function emailInvoiceWithHttpInfo($xero_tenant_id$invoice_id$request_empt
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function emailInvoiceAsync($xero_tenant_id$invoice_id$request_empty)
+    public function emailInvoiceAsync($xero_tenant_id, $invoice_id, $request_empty)
     {
-        return $this->emailInvoiceAsyncWithHttpInfo($xero_tenant_id$invoice_id$request_empty)
+        return $this->emailInvoiceAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $request_empty)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -17638,10 +17638,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\RequestEmpty $request_empty (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function emailInvoiceAsyncWithHttpInfo($xero_tenant_id$invoice_id$request_empty)
+    public function emailInvoiceAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $request_empty)
     {
         $returnType = '';
-        $request = $this->emailInvoiceRequest($xero_tenant_id$invoice_id$request_empty);
+        $request = $this->emailInvoiceRequest($xero_tenant_id, $invoice_id, $request_empty);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -17672,7 +17672,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\RequestEmpty $request_empty (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function emailInvoiceRequest($xero_tenant_id$invoice_id$request_empty)
+    protected function emailInvoiceRequest($xero_tenant_id, $invoice_id, $request_empty)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -17782,9 +17782,9 @@ protected function emailInvoiceRequest($xero_tenant_id$invoice_id$request_empty)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Accounts
      */
-    public function getAccount($xero_tenant_id$account_id)
+    public function getAccount($xero_tenant_id, $account_id)
     {
-        list($response) = $this->getAccountWithHttpInfo($xero_tenant_id$account_id);
+        list($response) = $this->getAccountWithHttpInfo($xero_tenant_id, $account_id);
         return $response;
     }
     /**
@@ -17796,9 +17796,9 @@ public function getAccount($xero_tenant_id$account_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Accounts, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getAccountWithHttpInfo($xero_tenant_id$account_id)
+    public function getAccountWithHttpInfo($xero_tenant_id, $account_id)
     {
-        $request = $this->getAccountRequest($xero_tenant_id$account_id);
+        $request = $this->getAccountRequest($xero_tenant_id, $account_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -17872,9 +17872,9 @@ public function getAccountWithHttpInfo($xero_tenant_id$account_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getAccountAsync($xero_tenant_id$account_id)
+    public function getAccountAsync($xero_tenant_id, $account_id)
     {
-        return $this->getAccountAsyncWithHttpInfo($xero_tenant_id$account_id)
+        return $this->getAccountAsyncWithHttpInfo($xero_tenant_id, $account_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -17888,10 +17888,10 @@ function ($response) {
      * @param  string $account_id Unique identifier for Account object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getAccountAsyncWithHttpInfo($xero_tenant_id$account_id)
+    public function getAccountAsyncWithHttpInfo($xero_tenant_id, $account_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Accounts';
-        $request = $this->getAccountRequest($xero_tenant_id$account_id);
+        $request = $this->getAccountRequest($xero_tenant_id, $account_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -17931,7 +17931,7 @@ function ($exception) {
      * @param  string $account_id Unique identifier for Account object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getAccountRequest($xero_tenant_id$account_id)
+    protected function getAccountRequest($xero_tenant_id, $account_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -18034,9 +18034,9 @@ protected function getAccountRequest($xero_tenant_id$account_id)
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getAccountAttachmentByFileName($xero_tenant_id$account_id$file_name$content_type)
+    public function getAccountAttachmentByFileName($xero_tenant_id, $account_id, $file_name, $content_type)
     {
-        list($response) = $this->getAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id$account_id$file_name$content_type);
+        list($response) = $this->getAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id, $account_id, $file_name, $content_type);
         return $response;
     }
     /**
@@ -18050,9 +18050,9 @@ public function getAccountAttachmentByFileName($xero_tenant_id$account_id$file_n
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id$account_id$file_name$content_type)
+    public function getAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id, $account_id, $file_name, $content_type)
     {
-        $request = $this->getAccountAttachmentByFileNameRequest($xero_tenant_id$account_id$file_name$content_type);
+        $request = $this->getAccountAttachmentByFileNameRequest($xero_tenant_id, $account_id, $file_name, $content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -18128,9 +18128,9 @@ public function getAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id$accou
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getAccountAttachmentByFileNameAsync($xero_tenant_id$account_id$file_name$content_type)
+    public function getAccountAttachmentByFileNameAsync($xero_tenant_id, $account_id, $file_name, $content_type)
     {
-        return $this->getAccountAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$account_id$file_name$content_type)
+        return $this->getAccountAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $account_id, $file_name, $content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -18146,10 +18146,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getAccountAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$account_id$file_name$content_type)
+    public function getAccountAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $account_id, $file_name, $content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getAccountAttachmentByFileNameRequest($xero_tenant_id$account_id$file_name$content_type);
+        $request = $this->getAccountAttachmentByFileNameRequest($xero_tenant_id, $account_id, $file_name, $content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -18191,7 +18191,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getAccountAttachmentByFileNameRequest($xero_tenant_id$account_id$file_name$content_type)
+    protected function getAccountAttachmentByFileNameRequest($xero_tenant_id, $account_id, $file_name, $content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -18318,9 +18318,9 @@ protected function getAccountAttachmentByFileNameRequest($xero_tenant_id$account
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getAccountAttachmentById($xero_tenant_id$account_id$attachment_id$content_type)
+    public function getAccountAttachmentById($xero_tenant_id, $account_id, $attachment_id, $content_type)
     {
-        list($response) = $this->getAccountAttachmentByIdWithHttpInfo($xero_tenant_id$account_id$attachment_id$content_type);
+        list($response) = $this->getAccountAttachmentByIdWithHttpInfo($xero_tenant_id, $account_id, $attachment_id, $content_type);
         return $response;
     }
     /**
@@ -18334,9 +18334,9 @@ public function getAccountAttachmentById($xero_tenant_id$account_id$attachment_i
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getAccountAttachmentByIdWithHttpInfo($xero_tenant_id$account_id$attachment_id$content_type)
+    public function getAccountAttachmentByIdWithHttpInfo($xero_tenant_id, $account_id, $attachment_id, $content_type)
     {
-        $request = $this->getAccountAttachmentByIdRequest($xero_tenant_id$account_id$attachment_id$content_type);
+        $request = $this->getAccountAttachmentByIdRequest($xero_tenant_id, $account_id, $attachment_id, $content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -18412,9 +18412,9 @@ public function getAccountAttachmentByIdWithHttpInfo($xero_tenant_id$account_id$
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getAccountAttachmentByIdAsync($xero_tenant_id$account_id$attachment_id$content_type)
+    public function getAccountAttachmentByIdAsync($xero_tenant_id, $account_id, $attachment_id, $content_type)
     {
-        return $this->getAccountAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$account_id$attachment_id$content_type)
+        return $this->getAccountAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $account_id, $attachment_id, $content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -18430,10 +18430,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getAccountAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$account_id$attachment_id$content_type)
+    public function getAccountAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $account_id, $attachment_id, $content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getAccountAttachmentByIdRequest($xero_tenant_id$account_id$attachment_id$content_type);
+        $request = $this->getAccountAttachmentByIdRequest($xero_tenant_id, $account_id, $attachment_id, $content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -18475,7 +18475,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getAccountAttachmentByIdRequest($xero_tenant_id$account_id$attachment_id$content_type)
+    protected function getAccountAttachmentByIdRequest($xero_tenant_id, $account_id, $attachment_id, $content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -18600,9 +18600,9 @@ protected function getAccountAttachmentByIdRequest($xero_tenant_id$account_id$at
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments
      */
-    public function getAccountAttachments($xero_tenant_id$account_id)
+    public function getAccountAttachments($xero_tenant_id, $account_id)
     {
-        list($response) = $this->getAccountAttachmentsWithHttpInfo($xero_tenant_id$account_id);
+        list($response) = $this->getAccountAttachmentsWithHttpInfo($xero_tenant_id, $account_id);
         return $response;
     }
     /**
@@ -18614,9 +18614,9 @@ public function getAccountAttachments($xero_tenant_id$account_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getAccountAttachmentsWithHttpInfo($xero_tenant_id$account_id)
+    public function getAccountAttachmentsWithHttpInfo($xero_tenant_id, $account_id)
     {
-        $request = $this->getAccountAttachmentsRequest($xero_tenant_id$account_id);
+        $request = $this->getAccountAttachmentsRequest($xero_tenant_id, $account_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -18690,9 +18690,9 @@ public function getAccountAttachmentsWithHttpInfo($xero_tenant_id$account_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getAccountAttachmentsAsync($xero_tenant_id$account_id)
+    public function getAccountAttachmentsAsync($xero_tenant_id, $account_id)
     {
-        return $this->getAccountAttachmentsAsyncWithHttpInfo($xero_tenant_id$account_id)
+        return $this->getAccountAttachmentsAsyncWithHttpInfo($xero_tenant_id, $account_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -18706,10 +18706,10 @@ function ($response) {
      * @param  string $account_id Unique identifier for Account object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getAccountAttachmentsAsyncWithHttpInfo($xero_tenant_id$account_id)
+    public function getAccountAttachmentsAsyncWithHttpInfo($xero_tenant_id, $account_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->getAccountAttachmentsRequest($xero_tenant_id$account_id);
+        $request = $this->getAccountAttachmentsRequest($xero_tenant_id, $account_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -18749,7 +18749,7 @@ function ($exception) {
      * @param  string $account_id Unique identifier for Account object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getAccountAttachmentsRequest($xero_tenant_id$account_id)
+    protected function getAccountAttachmentsRequest($xero_tenant_id, $account_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -18852,9 +18852,9 @@ protected function getAccountAttachmentsRequest($xero_tenant_id$account_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Accounts
      */
-    public function getAccounts($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    public function getAccounts($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
-        list($response) = $this->getAccountsWithHttpInfo($xero_tenant_id$if_modified_since$where$order);
+        list($response) = $this->getAccountsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order);
         return $response;
     }
     /**
@@ -18868,9 +18868,9 @@ public function getAccounts($xero_tenant_id$if_modified_since = null$where = nul
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Accounts, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getAccountsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    public function getAccountsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
-        $request = $this->getAccountsRequest($xero_tenant_id$if_modified_since$where$order);
+        $request = $this->getAccountsRequest($xero_tenant_id, $if_modified_since, $where, $order);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -18946,9 +18946,9 @@ public function getAccountsWithHttpInfo($xero_tenant_id$if_modified_since = null
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getAccountsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    public function getAccountsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
-        return $this->getAccountsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order)
+        return $this->getAccountsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -18964,10 +18964,10 @@ function ($response) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getAccountsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    public function getAccountsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Accounts';
-        $request = $this->getAccountsRequest($xero_tenant_id$if_modified_since$where$order);
+        $request = $this->getAccountsRequest($xero_tenant_id, $if_modified_since, $where, $order);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -19009,7 +19009,7 @@ function ($exception) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getAccountsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    protected function getAccountsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -19109,9 +19109,9 @@ protected function getAccountsRequest($xero_tenant_id$if_modified_since = null$w
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\BankTransactions
      */
-    public function getBankTransaction($xero_tenant_id$bank_transaction_id$unitdp = null)
+    public function getBankTransaction($xero_tenant_id, $bank_transaction_id, $unitdp = null)
     {
-        list($response) = $this->getBankTransactionWithHttpInfo($xero_tenant_id$bank_transaction_id$unitdp);
+        list($response) = $this->getBankTransactionWithHttpInfo($xero_tenant_id, $bank_transaction_id, $unitdp);
         return $response;
     }
     /**
@@ -19124,9 +19124,9 @@ public function getBankTransaction($xero_tenant_id$bank_transaction_id$unitdp =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\BankTransactions, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBankTransactionWithHttpInfo($xero_tenant_id$bank_transaction_id$unitdp = null)
+    public function getBankTransactionWithHttpInfo($xero_tenant_id, $bank_transaction_id, $unitdp = null)
     {
-        $request = $this->getBankTransactionRequest($xero_tenant_id$bank_transaction_id$unitdp);
+        $request = $this->getBankTransactionRequest($xero_tenant_id, $bank_transaction_id, $unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -19201,9 +19201,9 @@ public function getBankTransactionWithHttpInfo($xero_tenant_id$bank_transaction_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBankTransactionAsync($xero_tenant_id$bank_transaction_id$unitdp = null)
+    public function getBankTransactionAsync($xero_tenant_id, $bank_transaction_id, $unitdp = null)
     {
-        return $this->getBankTransactionAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$unitdp)
+        return $this->getBankTransactionAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -19218,10 +19218,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBankTransactionAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$unitdp = null)
+    public function getBankTransactionAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\BankTransactions';
-        $request = $this->getBankTransactionRequest($xero_tenant_id$bank_transaction_id$unitdp);
+        $request = $this->getBankTransactionRequest($xero_tenant_id, $bank_transaction_id, $unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -19262,7 +19262,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBankTransactionRequest($xero_tenant_id$bank_transaction_id$unitdp = null)
+    protected function getBankTransactionRequest($xero_tenant_id, $bank_transaction_id, $unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -19369,9 +19369,9 @@ protected function getBankTransactionRequest($xero_tenant_id$bank_transaction_id
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getBankTransactionAttachmentByFileName($xero_tenant_id$bank_transaction_id$file_name$content_type)
+    public function getBankTransactionAttachmentByFileName($xero_tenant_id, $bank_transaction_id, $file_name, $content_type)
     {
-        list($response) = $this->getBankTransactionAttachmentByFileNameWithHttpInfo($xero_tenant_id$bank_transaction_id$file_name$content_type);
+        list($response) = $this->getBankTransactionAttachmentByFileNameWithHttpInfo($xero_tenant_id, $bank_transaction_id, $file_name, $content_type);
         return $response;
     }
     /**
@@ -19385,9 +19385,9 @@ public function getBankTransactionAttachmentByFileName($xero_tenant_id$bank_tran
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBankTransactionAttachmentByFileNameWithHttpInfo($xero_tenant_id$bank_transaction_id$file_name$content_type)
+    public function getBankTransactionAttachmentByFileNameWithHttpInfo($xero_tenant_id, $bank_transaction_id, $file_name, $content_type)
     {
-        $request = $this->getBankTransactionAttachmentByFileNameRequest($xero_tenant_id$bank_transaction_id$file_name$content_type);
+        $request = $this->getBankTransactionAttachmentByFileNameRequest($xero_tenant_id, $bank_transaction_id, $file_name, $content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -19463,9 +19463,9 @@ public function getBankTransactionAttachmentByFileNameWithHttpInfo($xero_tenant_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBankTransactionAttachmentByFileNameAsync($xero_tenant_id$bank_transaction_id$file_name$content_type)
+    public function getBankTransactionAttachmentByFileNameAsync($xero_tenant_id, $bank_transaction_id, $file_name, $content_type)
     {
-        return $this->getBankTransactionAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$file_name$content_type)
+        return $this->getBankTransactionAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $file_name, $content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -19481,10 +19481,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBankTransactionAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$file_name$content_type)
+    public function getBankTransactionAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $file_name, $content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getBankTransactionAttachmentByFileNameRequest($xero_tenant_id$bank_transaction_id$file_name$content_type);
+        $request = $this->getBankTransactionAttachmentByFileNameRequest($xero_tenant_id, $bank_transaction_id, $file_name, $content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -19526,7 +19526,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBankTransactionAttachmentByFileNameRequest($xero_tenant_id$bank_transaction_id$file_name$content_type)
+    protected function getBankTransactionAttachmentByFileNameRequest($xero_tenant_id, $bank_transaction_id, $file_name, $content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -19653,9 +19653,9 @@ protected function getBankTransactionAttachmentByFileNameRequest($xero_tenant_id
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getBankTransactionAttachmentById($xero_tenant_id$bank_transaction_id$attachment_id$content_type)
+    public function getBankTransactionAttachmentById($xero_tenant_id, $bank_transaction_id, $attachment_id, $content_type)
     {
-        list($response) = $this->getBankTransactionAttachmentByIdWithHttpInfo($xero_tenant_id$bank_transaction_id$attachment_id$content_type);
+        list($response) = $this->getBankTransactionAttachmentByIdWithHttpInfo($xero_tenant_id, $bank_transaction_id, $attachment_id, $content_type);
         return $response;
     }
     /**
@@ -19669,9 +19669,9 @@ public function getBankTransactionAttachmentById($xero_tenant_id$bank_transactio
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBankTransactionAttachmentByIdWithHttpInfo($xero_tenant_id$bank_transaction_id$attachment_id$content_type)
+    public function getBankTransactionAttachmentByIdWithHttpInfo($xero_tenant_id, $bank_transaction_id, $attachment_id, $content_type)
     {
-        $request = $this->getBankTransactionAttachmentByIdRequest($xero_tenant_id$bank_transaction_id$attachment_id$content_type);
+        $request = $this->getBankTransactionAttachmentByIdRequest($xero_tenant_id, $bank_transaction_id, $attachment_id, $content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -19747,9 +19747,9 @@ public function getBankTransactionAttachmentByIdWithHttpInfo($xero_tenant_id$ban
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBankTransactionAttachmentByIdAsync($xero_tenant_id$bank_transaction_id$attachment_id$content_type)
+    public function getBankTransactionAttachmentByIdAsync($xero_tenant_id, $bank_transaction_id, $attachment_id, $content_type)
     {
-        return $this->getBankTransactionAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$attachment_id$content_type)
+        return $this->getBankTransactionAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $attachment_id, $content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -19765,10 +19765,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBankTransactionAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$attachment_id$content_type)
+    public function getBankTransactionAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $attachment_id, $content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getBankTransactionAttachmentByIdRequest($xero_tenant_id$bank_transaction_id$attachment_id$content_type);
+        $request = $this->getBankTransactionAttachmentByIdRequest($xero_tenant_id, $bank_transaction_id, $attachment_id, $content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -19810,7 +19810,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBankTransactionAttachmentByIdRequest($xero_tenant_id$bank_transaction_id$attachment_id$content_type)
+    protected function getBankTransactionAttachmentByIdRequest($xero_tenant_id, $bank_transaction_id, $attachment_id, $content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -19935,9 +19935,9 @@ protected function getBankTransactionAttachmentByIdRequest($xero_tenant_id$bank_
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments
      */
-    public function getBankTransactionAttachments($xero_tenant_id$bank_transaction_id)
+    public function getBankTransactionAttachments($xero_tenant_id, $bank_transaction_id)
     {
-        list($response) = $this->getBankTransactionAttachmentsWithHttpInfo($xero_tenant_id$bank_transaction_id);
+        list($response) = $this->getBankTransactionAttachmentsWithHttpInfo($xero_tenant_id, $bank_transaction_id);
         return $response;
     }
     /**
@@ -19949,9 +19949,9 @@ public function getBankTransactionAttachments($xero_tenant_id$bank_transaction_i
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBankTransactionAttachmentsWithHttpInfo($xero_tenant_id$bank_transaction_id)
+    public function getBankTransactionAttachmentsWithHttpInfo($xero_tenant_id, $bank_transaction_id)
     {
-        $request = $this->getBankTransactionAttachmentsRequest($xero_tenant_id$bank_transaction_id);
+        $request = $this->getBankTransactionAttachmentsRequest($xero_tenant_id, $bank_transaction_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -20025,9 +20025,9 @@ public function getBankTransactionAttachmentsWithHttpInfo($xero_tenant_id$bank_t
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBankTransactionAttachmentsAsync($xero_tenant_id$bank_transaction_id)
+    public function getBankTransactionAttachmentsAsync($xero_tenant_id, $bank_transaction_id)
     {
-        return $this->getBankTransactionAttachmentsAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id)
+        return $this->getBankTransactionAttachmentsAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -20041,10 +20041,10 @@ function ($response) {
      * @param  string $bank_transaction_id Xero generated unique identifier for a bank transaction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBankTransactionAttachmentsAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id)
+    public function getBankTransactionAttachmentsAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->getBankTransactionAttachmentsRequest($xero_tenant_id$bank_transaction_id);
+        $request = $this->getBankTransactionAttachmentsRequest($xero_tenant_id, $bank_transaction_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -20084,7 +20084,7 @@ function ($exception) {
      * @param  string $bank_transaction_id Xero generated unique identifier for a bank transaction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBankTransactionAttachmentsRequest($xero_tenant_id$bank_transaction_id)
+    protected function getBankTransactionAttachmentsRequest($xero_tenant_id, $bank_transaction_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -20189,9 +20189,9 @@ protected function getBankTransactionAttachmentsRequest($xero_tenant_id$bank_tra
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\BankTransactions
      */
-    public function getBankTransactions($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
+    public function getBankTransactions($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
     {
-        list($response) = $this->getBankTransactionsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page$unitdp);
+        list($response) = $this->getBankTransactionsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp);
         return $response;
     }
     /**
@@ -20207,9 +20207,9 @@ public function getBankTransactions($xero_tenant_id$if_modified_since = null$whe
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\BankTransactions, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBankTransactionsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
+    public function getBankTransactionsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
     {
-        $request = $this->getBankTransactionsRequest($xero_tenant_id$if_modified_since$where$order$page$unitdp);
+        $request = $this->getBankTransactionsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -20287,9 +20287,9 @@ public function getBankTransactionsWithHttpInfo($xero_tenant_id$if_modified_sinc
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBankTransactionsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
+    public function getBankTransactionsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
     {
-        return $this->getBankTransactionsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page$unitdp)
+        return $this->getBankTransactionsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -20307,10 +20307,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBankTransactionsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
+    public function getBankTransactionsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\BankTransactions';
-        $request = $this->getBankTransactionsRequest($xero_tenant_id$if_modified_since$where$order$page$unitdp);
+        $request = $this->getBankTransactionsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -20354,7 +20354,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBankTransactionsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
+    protected function getBankTransactionsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -20461,9 +20461,9 @@ protected function getBankTransactionsRequest($xero_tenant_id$if_modified_since
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getBankTransactionsHistory($xero_tenant_id$bank_transaction_id)
+    public function getBankTransactionsHistory($xero_tenant_id, $bank_transaction_id)
     {
-        list($response) = $this->getBankTransactionsHistoryWithHttpInfo($xero_tenant_id$bank_transaction_id);
+        list($response) = $this->getBankTransactionsHistoryWithHttpInfo($xero_tenant_id, $bank_transaction_id);
         return $response;
     }
     /**
@@ -20475,9 +20475,9 @@ public function getBankTransactionsHistory($xero_tenant_id$bank_transaction_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBankTransactionsHistoryWithHttpInfo($xero_tenant_id$bank_transaction_id)
+    public function getBankTransactionsHistoryWithHttpInfo($xero_tenant_id, $bank_transaction_id)
     {
-        $request = $this->getBankTransactionsHistoryRequest($xero_tenant_id$bank_transaction_id);
+        $request = $this->getBankTransactionsHistoryRequest($xero_tenant_id, $bank_transaction_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -20551,9 +20551,9 @@ public function getBankTransactionsHistoryWithHttpInfo($xero_tenant_id$bank_tran
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBankTransactionsHistoryAsync($xero_tenant_id$bank_transaction_id)
+    public function getBankTransactionsHistoryAsync($xero_tenant_id, $bank_transaction_id)
     {
-        return $this->getBankTransactionsHistoryAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id)
+        return $this->getBankTransactionsHistoryAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -20567,10 +20567,10 @@ function ($response) {
      * @param  string $bank_transaction_id Xero generated unique identifier for a bank transaction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBankTransactionsHistoryAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id)
+    public function getBankTransactionsHistoryAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getBankTransactionsHistoryRequest($xero_tenant_id$bank_transaction_id);
+        $request = $this->getBankTransactionsHistoryRequest($xero_tenant_id, $bank_transaction_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -20610,7 +20610,7 @@ function ($exception) {
      * @param  string $bank_transaction_id Xero generated unique identifier for a bank transaction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBankTransactionsHistoryRequest($xero_tenant_id$bank_transaction_id)
+    protected function getBankTransactionsHistoryRequest($xero_tenant_id, $bank_transaction_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -20711,9 +20711,9 @@ protected function getBankTransactionsHistoryRequest($xero_tenant_id$bank_transa
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\BankTransfers
      */
-    public function getBankTransfer($xero_tenant_id$bank_transfer_id)
+    public function getBankTransfer($xero_tenant_id, $bank_transfer_id)
     {
-        list($response) = $this->getBankTransferWithHttpInfo($xero_tenant_id$bank_transfer_id);
+        list($response) = $this->getBankTransferWithHttpInfo($xero_tenant_id, $bank_transfer_id);
         return $response;
     }
     /**
@@ -20725,9 +20725,9 @@ public function getBankTransfer($xero_tenant_id$bank_transfer_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\BankTransfers, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBankTransferWithHttpInfo($xero_tenant_id$bank_transfer_id)
+    public function getBankTransferWithHttpInfo($xero_tenant_id, $bank_transfer_id)
     {
-        $request = $this->getBankTransferRequest($xero_tenant_id$bank_transfer_id);
+        $request = $this->getBankTransferRequest($xero_tenant_id, $bank_transfer_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -20801,9 +20801,9 @@ public function getBankTransferWithHttpInfo($xero_tenant_id$bank_transfer_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBankTransferAsync($xero_tenant_id$bank_transfer_id)
+    public function getBankTransferAsync($xero_tenant_id, $bank_transfer_id)
     {
-        return $this->getBankTransferAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id)
+        return $this->getBankTransferAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -20817,10 +20817,10 @@ function ($response) {
      * @param  string $bank_transfer_id Xero generated unique identifier for a bank transfer (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBankTransferAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id)
+    public function getBankTransferAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\BankTransfers';
-        $request = $this->getBankTransferRequest($xero_tenant_id$bank_transfer_id);
+        $request = $this->getBankTransferRequest($xero_tenant_id, $bank_transfer_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -20860,7 +20860,7 @@ function ($exception) {
      * @param  string $bank_transfer_id Xero generated unique identifier for a bank transfer (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBankTransferRequest($xero_tenant_id$bank_transfer_id)
+    protected function getBankTransferRequest($xero_tenant_id, $bank_transfer_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -20963,9 +20963,9 @@ protected function getBankTransferRequest($xero_tenant_id$bank_transfer_id)
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getBankTransferAttachmentByFileName($xero_tenant_id$bank_transfer_id$file_name$content_type)
+    public function getBankTransferAttachmentByFileName($xero_tenant_id, $bank_transfer_id, $file_name, $content_type)
     {
-        list($response) = $this->getBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_id$bank_transfer_id$file_name$content_type);
+        list($response) = $this->getBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_id, $bank_transfer_id, $file_name, $content_type);
         return $response;
     }
     /**
@@ -20979,9 +20979,9 @@ public function getBankTransferAttachmentByFileName($xero_tenant_id$bank_transfe
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_id$bank_transfer_id$file_name$content_type)
+    public function getBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_id, $bank_transfer_id, $file_name, $content_type)
     {
-        $request = $this->getBankTransferAttachmentByFileNameRequest($xero_tenant_id$bank_transfer_id$file_name$content_type);
+        $request = $this->getBankTransferAttachmentByFileNameRequest($xero_tenant_id, $bank_transfer_id, $file_name, $content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -21057,9 +21057,9 @@ public function getBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_id$
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBankTransferAttachmentByFileNameAsync($xero_tenant_id$bank_transfer_id$file_name$content_type)
+    public function getBankTransferAttachmentByFileNameAsync($xero_tenant_id, $bank_transfer_id, $file_name, $content_type)
     {
-        return $this->getBankTransferAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id$file_name$content_type)
+        return $this->getBankTransferAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id, $file_name, $content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -21075,10 +21075,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBankTransferAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id$file_name$content_type)
+    public function getBankTransferAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id, $file_name, $content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getBankTransferAttachmentByFileNameRequest($xero_tenant_id$bank_transfer_id$file_name$content_type);
+        $request = $this->getBankTransferAttachmentByFileNameRequest($xero_tenant_id, $bank_transfer_id, $file_name, $content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -21120,7 +21120,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBankTransferAttachmentByFileNameRequest($xero_tenant_id$bank_transfer_id$file_name$content_type)
+    protected function getBankTransferAttachmentByFileNameRequest($xero_tenant_id, $bank_transfer_id, $file_name, $content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -21247,9 +21247,9 @@ protected function getBankTransferAttachmentByFileNameRequest($xero_tenant_id$ba
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getBankTransferAttachmentById($xero_tenant_id$bank_transfer_id$attachment_id$content_type)
+    public function getBankTransferAttachmentById($xero_tenant_id, $bank_transfer_id, $attachment_id, $content_type)
     {
-        list($response) = $this->getBankTransferAttachmentByIdWithHttpInfo($xero_tenant_id$bank_transfer_id$attachment_id$content_type);
+        list($response) = $this->getBankTransferAttachmentByIdWithHttpInfo($xero_tenant_id, $bank_transfer_id, $attachment_id, $content_type);
         return $response;
     }
     /**
@@ -21263,9 +21263,9 @@ public function getBankTransferAttachmentById($xero_tenant_id$bank_transfer_id$a
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBankTransferAttachmentByIdWithHttpInfo($xero_tenant_id$bank_transfer_id$attachment_id$content_type)
+    public function getBankTransferAttachmentByIdWithHttpInfo($xero_tenant_id, $bank_transfer_id, $attachment_id, $content_type)
     {
-        $request = $this->getBankTransferAttachmentByIdRequest($xero_tenant_id$bank_transfer_id$attachment_id$content_type);
+        $request = $this->getBankTransferAttachmentByIdRequest($xero_tenant_id, $bank_transfer_id, $attachment_id, $content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -21341,9 +21341,9 @@ public function getBankTransferAttachmentByIdWithHttpInfo($xero_tenant_id$bank_t
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBankTransferAttachmentByIdAsync($xero_tenant_id$bank_transfer_id$attachment_id$content_type)
+    public function getBankTransferAttachmentByIdAsync($xero_tenant_id, $bank_transfer_id, $attachment_id, $content_type)
     {
-        return $this->getBankTransferAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id$attachment_id$content_type)
+        return $this->getBankTransferAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id, $attachment_id, $content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -21359,10 +21359,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBankTransferAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id$attachment_id$content_type)
+    public function getBankTransferAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id, $attachment_id, $content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getBankTransferAttachmentByIdRequest($xero_tenant_id$bank_transfer_id$attachment_id$content_type);
+        $request = $this->getBankTransferAttachmentByIdRequest($xero_tenant_id, $bank_transfer_id, $attachment_id, $content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -21404,7 +21404,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBankTransferAttachmentByIdRequest($xero_tenant_id$bank_transfer_id$attachment_id$content_type)
+    protected function getBankTransferAttachmentByIdRequest($xero_tenant_id, $bank_transfer_id, $attachment_id, $content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -21529,9 +21529,9 @@ protected function getBankTransferAttachmentByIdRequest($xero_tenant_id$bank_tra
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments
      */
-    public function getBankTransferAttachments($xero_tenant_id$bank_transfer_id)
+    public function getBankTransferAttachments($xero_tenant_id, $bank_transfer_id)
     {
-        list($response) = $this->getBankTransferAttachmentsWithHttpInfo($xero_tenant_id$bank_transfer_id);
+        list($response) = $this->getBankTransferAttachmentsWithHttpInfo($xero_tenant_id, $bank_transfer_id);
         return $response;
     }
     /**
@@ -21543,9 +21543,9 @@ public function getBankTransferAttachments($xero_tenant_id$bank_transfer_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBankTransferAttachmentsWithHttpInfo($xero_tenant_id$bank_transfer_id)
+    public function getBankTransferAttachmentsWithHttpInfo($xero_tenant_id, $bank_transfer_id)
     {
-        $request = $this->getBankTransferAttachmentsRequest($xero_tenant_id$bank_transfer_id);
+        $request = $this->getBankTransferAttachmentsRequest($xero_tenant_id, $bank_transfer_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -21619,9 +21619,9 @@ public function getBankTransferAttachmentsWithHttpInfo($xero_tenant_id$bank_tran
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBankTransferAttachmentsAsync($xero_tenant_id$bank_transfer_id)
+    public function getBankTransferAttachmentsAsync($xero_tenant_id, $bank_transfer_id)
     {
-        return $this->getBankTransferAttachmentsAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id)
+        return $this->getBankTransferAttachmentsAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -21635,10 +21635,10 @@ function ($response) {
      * @param  string $bank_transfer_id Xero generated unique identifier for a bank transfer (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBankTransferAttachmentsAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id)
+    public function getBankTransferAttachmentsAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->getBankTransferAttachmentsRequest($xero_tenant_id$bank_transfer_id);
+        $request = $this->getBankTransferAttachmentsRequest($xero_tenant_id, $bank_transfer_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -21678,7 +21678,7 @@ function ($exception) {
      * @param  string $bank_transfer_id Xero generated unique identifier for a bank transfer (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBankTransferAttachmentsRequest($xero_tenant_id$bank_transfer_id)
+    protected function getBankTransferAttachmentsRequest($xero_tenant_id, $bank_transfer_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -21779,9 +21779,9 @@ protected function getBankTransferAttachmentsRequest($xero_tenant_id$bank_transf
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getBankTransferHistory($xero_tenant_id$bank_transfer_id)
+    public function getBankTransferHistory($xero_tenant_id, $bank_transfer_id)
     {
-        list($response) = $this->getBankTransferHistoryWithHttpInfo($xero_tenant_id$bank_transfer_id);
+        list($response) = $this->getBankTransferHistoryWithHttpInfo($xero_tenant_id, $bank_transfer_id);
         return $response;
     }
     /**
@@ -21793,9 +21793,9 @@ public function getBankTransferHistory($xero_tenant_id$bank_transfer_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBankTransferHistoryWithHttpInfo($xero_tenant_id$bank_transfer_id)
+    public function getBankTransferHistoryWithHttpInfo($xero_tenant_id, $bank_transfer_id)
     {
-        $request = $this->getBankTransferHistoryRequest($xero_tenant_id$bank_transfer_id);
+        $request = $this->getBankTransferHistoryRequest($xero_tenant_id, $bank_transfer_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -21869,9 +21869,9 @@ public function getBankTransferHistoryWithHttpInfo($xero_tenant_id$bank_transfer
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBankTransferHistoryAsync($xero_tenant_id$bank_transfer_id)
+    public function getBankTransferHistoryAsync($xero_tenant_id, $bank_transfer_id)
     {
-        return $this->getBankTransferHistoryAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id)
+        return $this->getBankTransferHistoryAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -21885,10 +21885,10 @@ function ($response) {
      * @param  string $bank_transfer_id Xero generated unique identifier for a bank transfer (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBankTransferHistoryAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id)
+    public function getBankTransferHistoryAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getBankTransferHistoryRequest($xero_tenant_id$bank_transfer_id);
+        $request = $this->getBankTransferHistoryRequest($xero_tenant_id, $bank_transfer_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -21928,7 +21928,7 @@ function ($exception) {
      * @param  string $bank_transfer_id Xero generated unique identifier for a bank transfer (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBankTransferHistoryRequest($xero_tenant_id$bank_transfer_id)
+    protected function getBankTransferHistoryRequest($xero_tenant_id, $bank_transfer_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -22031,9 +22031,9 @@ protected function getBankTransferHistoryRequest($xero_tenant_id$bank_transfer_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\BankTransfers
      */
-    public function getBankTransfers($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    public function getBankTransfers($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
-        list($response) = $this->getBankTransfersWithHttpInfo($xero_tenant_id$if_modified_since$where$order);
+        list($response) = $this->getBankTransfersWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order);
         return $response;
     }
     /**
@@ -22047,9 +22047,9 @@ public function getBankTransfers($xero_tenant_id$if_modified_since = null$where
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\BankTransfers, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBankTransfersWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    public function getBankTransfersWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
-        $request = $this->getBankTransfersRequest($xero_tenant_id$if_modified_since$where$order);
+        $request = $this->getBankTransfersRequest($xero_tenant_id, $if_modified_since, $where, $order);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -22125,9 +22125,9 @@ public function getBankTransfersWithHttpInfo($xero_tenant_id$if_modified_since =
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBankTransfersAsync($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    public function getBankTransfersAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
-        return $this->getBankTransfersAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order)
+        return $this->getBankTransfersAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -22143,10 +22143,10 @@ function ($response) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBankTransfersAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    public function getBankTransfersAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\BankTransfers';
-        $request = $this->getBankTransfersRequest($xero_tenant_id$if_modified_since$where$order);
+        $request = $this->getBankTransfersRequest($xero_tenant_id, $if_modified_since, $where, $order);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -22188,7 +22188,7 @@ function ($exception) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBankTransfersRequest($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    protected function getBankTransfersRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -22287,9 +22287,9 @@ protected function getBankTransfersRequest($xero_tenant_id$if_modified_since = n
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getBatchPaymentHistory($xero_tenant_id$batch_payment_id)
+    public function getBatchPaymentHistory($xero_tenant_id, $batch_payment_id)
     {
-        list($response) = $this->getBatchPaymentHistoryWithHttpInfo($xero_tenant_id$batch_payment_id);
+        list($response) = $this->getBatchPaymentHistoryWithHttpInfo($xero_tenant_id, $batch_payment_id);
         return $response;
     }
     /**
@@ -22301,9 +22301,9 @@ public function getBatchPaymentHistory($xero_tenant_id$batch_payment_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBatchPaymentHistoryWithHttpInfo($xero_tenant_id$batch_payment_id)
+    public function getBatchPaymentHistoryWithHttpInfo($xero_tenant_id, $batch_payment_id)
     {
-        $request = $this->getBatchPaymentHistoryRequest($xero_tenant_id$batch_payment_id);
+        $request = $this->getBatchPaymentHistoryRequest($xero_tenant_id, $batch_payment_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -22377,9 +22377,9 @@ public function getBatchPaymentHistoryWithHttpInfo($xero_tenant_id$batch_payment
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBatchPaymentHistoryAsync($xero_tenant_id$batch_payment_id)
+    public function getBatchPaymentHistoryAsync($xero_tenant_id, $batch_payment_id)
     {
-        return $this->getBatchPaymentHistoryAsyncWithHttpInfo($xero_tenant_id$batch_payment_id)
+        return $this->getBatchPaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $batch_payment_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -22393,10 +22393,10 @@ function ($response) {
      * @param  string $batch_payment_id Unique identifier for BatchPayment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBatchPaymentHistoryAsyncWithHttpInfo($xero_tenant_id$batch_payment_id)
+    public function getBatchPaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $batch_payment_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getBatchPaymentHistoryRequest($xero_tenant_id$batch_payment_id);
+        $request = $this->getBatchPaymentHistoryRequest($xero_tenant_id, $batch_payment_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -22436,7 +22436,7 @@ function ($exception) {
      * @param  string $batch_payment_id Unique identifier for BatchPayment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBatchPaymentHistoryRequest($xero_tenant_id$batch_payment_id)
+    protected function getBatchPaymentHistoryRequest($xero_tenant_id, $batch_payment_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -22539,9 +22539,9 @@ protected function getBatchPaymentHistoryRequest($xero_tenant_id$batch_payment_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\BatchPayments
      */
-    public function getBatchPayments($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    public function getBatchPayments($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
-        list($response) = $this->getBatchPaymentsWithHttpInfo($xero_tenant_id$if_modified_since$where$order);
+        list($response) = $this->getBatchPaymentsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order);
         return $response;
     }
     /**
@@ -22555,9 +22555,9 @@ public function getBatchPayments($xero_tenant_id$if_modified_since = null$where
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\BatchPayments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBatchPaymentsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    public function getBatchPaymentsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
-        $request = $this->getBatchPaymentsRequest($xero_tenant_id$if_modified_since$where$order);
+        $request = $this->getBatchPaymentsRequest($xero_tenant_id, $if_modified_since, $where, $order);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -22633,9 +22633,9 @@ public function getBatchPaymentsWithHttpInfo($xero_tenant_id$if_modified_since =
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBatchPaymentsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    public function getBatchPaymentsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
-        return $this->getBatchPaymentsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order)
+        return $this->getBatchPaymentsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -22651,10 +22651,10 @@ function ($response) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBatchPaymentsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    public function getBatchPaymentsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\BatchPayments';
-        $request = $this->getBatchPaymentsRequest($xero_tenant_id$if_modified_since$where$order);
+        $request = $this->getBatchPaymentsRequest($xero_tenant_id, $if_modified_since, $where, $order);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -22696,7 +22696,7 @@ function ($exception) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBatchPaymentsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    protected function getBatchPaymentsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -22795,9 +22795,9 @@ protected function getBatchPaymentsRequest($xero_tenant_id$if_modified_since = n
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\BrandingThemes
      */
-    public function getBrandingTheme($xero_tenant_id$branding_theme_id)
+    public function getBrandingTheme($xero_tenant_id, $branding_theme_id)
     {
-        list($response) = $this->getBrandingThemeWithHttpInfo($xero_tenant_id$branding_theme_id);
+        list($response) = $this->getBrandingThemeWithHttpInfo($xero_tenant_id, $branding_theme_id);
         return $response;
     }
     /**
@@ -22809,9 +22809,9 @@ public function getBrandingTheme($xero_tenant_id$branding_theme_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\BrandingThemes, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBrandingThemeWithHttpInfo($xero_tenant_id$branding_theme_id)
+    public function getBrandingThemeWithHttpInfo($xero_tenant_id, $branding_theme_id)
     {
-        $request = $this->getBrandingThemeRequest($xero_tenant_id$branding_theme_id);
+        $request = $this->getBrandingThemeRequest($xero_tenant_id, $branding_theme_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -22885,9 +22885,9 @@ public function getBrandingThemeWithHttpInfo($xero_tenant_id$branding_theme_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBrandingThemeAsync($xero_tenant_id$branding_theme_id)
+    public function getBrandingThemeAsync($xero_tenant_id, $branding_theme_id)
     {
-        return $this->getBrandingThemeAsyncWithHttpInfo($xero_tenant_id$branding_theme_id)
+        return $this->getBrandingThemeAsyncWithHttpInfo($xero_tenant_id, $branding_theme_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -22901,10 +22901,10 @@ function ($response) {
      * @param  string $branding_theme_id Unique identifier for a Branding Theme (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBrandingThemeAsyncWithHttpInfo($xero_tenant_id$branding_theme_id)
+    public function getBrandingThemeAsyncWithHttpInfo($xero_tenant_id, $branding_theme_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\BrandingThemes';
-        $request = $this->getBrandingThemeRequest($xero_tenant_id$branding_theme_id);
+        $request = $this->getBrandingThemeRequest($xero_tenant_id, $branding_theme_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -22944,7 +22944,7 @@ function ($exception) {
      * @param  string $branding_theme_id Unique identifier for a Branding Theme (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBrandingThemeRequest($xero_tenant_id$branding_theme_id)
+    protected function getBrandingThemeRequest($xero_tenant_id, $branding_theme_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -23045,9 +23045,9 @@ protected function getBrandingThemeRequest($xero_tenant_id$branding_theme_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\PaymentServices
      */
-    public function getBrandingThemePaymentServices($xero_tenant_id$branding_theme_id)
+    public function getBrandingThemePaymentServices($xero_tenant_id, $branding_theme_id)
     {
-        list($response) = $this->getBrandingThemePaymentServicesWithHttpInfo($xero_tenant_id$branding_theme_id);
+        list($response) = $this->getBrandingThemePaymentServicesWithHttpInfo($xero_tenant_id, $branding_theme_id);
         return $response;
     }
     /**
@@ -23059,9 +23059,9 @@ public function getBrandingThemePaymentServices($xero_tenant_id$branding_theme_i
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\PaymentServices, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBrandingThemePaymentServicesWithHttpInfo($xero_tenant_id$branding_theme_id)
+    public function getBrandingThemePaymentServicesWithHttpInfo($xero_tenant_id, $branding_theme_id)
     {
-        $request = $this->getBrandingThemePaymentServicesRequest($xero_tenant_id$branding_theme_id);
+        $request = $this->getBrandingThemePaymentServicesRequest($xero_tenant_id, $branding_theme_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -23135,9 +23135,9 @@ public function getBrandingThemePaymentServicesWithHttpInfo($xero_tenant_id$bran
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBrandingThemePaymentServicesAsync($xero_tenant_id$branding_theme_id)
+    public function getBrandingThemePaymentServicesAsync($xero_tenant_id, $branding_theme_id)
     {
-        return $this->getBrandingThemePaymentServicesAsyncWithHttpInfo($xero_tenant_id$branding_theme_id)
+        return $this->getBrandingThemePaymentServicesAsyncWithHttpInfo($xero_tenant_id, $branding_theme_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -23151,10 +23151,10 @@ function ($response) {
      * @param  string $branding_theme_id Unique identifier for a Branding Theme (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBrandingThemePaymentServicesAsyncWithHttpInfo($xero_tenant_id$branding_theme_id)
+    public function getBrandingThemePaymentServicesAsyncWithHttpInfo($xero_tenant_id, $branding_theme_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\PaymentServices';
-        $request = $this->getBrandingThemePaymentServicesRequest($xero_tenant_id$branding_theme_id);
+        $request = $this->getBrandingThemePaymentServicesRequest($xero_tenant_id, $branding_theme_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -23194,7 +23194,7 @@ function ($exception) {
      * @param  string $branding_theme_id Unique identifier for a Branding Theme (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBrandingThemePaymentServicesRequest($xero_tenant_id$branding_theme_id)
+    protected function getBrandingThemePaymentServicesRequest($xero_tenant_id, $branding_theme_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -23528,9 +23528,9 @@ protected function getBrandingThemesRequest($xero_tenant_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Budgets
      */
-    public function getBudget($xero_tenant_id$budget_id$date_to = null$date_from = null)
+    public function getBudget($xero_tenant_id, $budget_id, $date_to = null, $date_from = null)
     {
-        list($response) = $this->getBudgetWithHttpInfo($xero_tenant_id$budget_id$date_to$date_from);
+        list($response) = $this->getBudgetWithHttpInfo($xero_tenant_id, $budget_id, $date_to, $date_from);
         return $response;
     }
     /**
@@ -23544,9 +23544,9 @@ public function getBudget($xero_tenant_id$budget_id$date_to = null$date_from = n
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Budgets, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBudgetWithHttpInfo($xero_tenant_id$budget_id$date_to = null$date_from = null)
+    public function getBudgetWithHttpInfo($xero_tenant_id, $budget_id, $date_to = null, $date_from = null)
     {
-        $request = $this->getBudgetRequest($xero_tenant_id$budget_id$date_to$date_from);
+        $request = $this->getBudgetRequest($xero_tenant_id, $budget_id, $date_to, $date_from);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -23622,9 +23622,9 @@ public function getBudgetWithHttpInfo($xero_tenant_id$budget_id$date_to = null$d
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBudgetAsync($xero_tenant_id$budget_id$date_to = null$date_from = null)
+    public function getBudgetAsync($xero_tenant_id, $budget_id, $date_to = null, $date_from = null)
     {
-        return $this->getBudgetAsyncWithHttpInfo($xero_tenant_id$budget_id$date_to$date_from)
+        return $this->getBudgetAsyncWithHttpInfo($xero_tenant_id, $budget_id, $date_to, $date_from)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -23640,10 +23640,10 @@ function ($response) {
      * @param  \DateTime $date_from Filter by end date (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBudgetAsyncWithHttpInfo($xero_tenant_id$budget_id$date_to = null$date_from = null)
+    public function getBudgetAsyncWithHttpInfo($xero_tenant_id, $budget_id, $date_to = null, $date_from = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Budgets';
-        $request = $this->getBudgetRequest($xero_tenant_id$budget_id$date_to$date_from);
+        $request = $this->getBudgetRequest($xero_tenant_id, $budget_id, $date_to, $date_from);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -23685,7 +23685,7 @@ function ($exception) {
      * @param  \DateTime $date_from Filter by end date (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBudgetRequest($xero_tenant_id$budget_id$date_to = null$date_from = null)
+    protected function getBudgetRequest($xero_tenant_id, $budget_id, $date_to = null, $date_from = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -23789,32 +23789,32 @@ protected function getBudgetRequest($xero_tenant_id$budget_id$date_to = null$dat
      * Operation getBudgets
      * Retrieve a list of budgets
      * @param  string $xero_tenant_id Xero identifier for Tenant (required)
-     * @param  string[] $ids Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
+     * @param  string[] $i_ds Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
      * @param  \DateTime $date_to Filter by start date (optional)
      * @param  \DateTime $date_from Filter by end date (optional)
      * @throws \XeroAPI\XeroPHP\ApiException on non-2xx response
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Budgets
      */
-    public function getBudgets($xero_tenant_id$ids = null$date_to = null$date_from = null)
+    public function getBudgets($xero_tenant_id, $i_ds = null, $date_to = null, $date_from = null)
     {
-        list($response) = $this->getBudgetsWithHttpInfo($xero_tenant_id$ids$date_to$date_from);
+        list($response) = $this->getBudgetsWithHttpInfo($xero_tenant_id, $i_ds, $date_to, $date_from);
         return $response;
     }
     /**
      * Operation getBudgetsWithHttpInfo
      * Retrieve a list of budgets
      * @param  string $xero_tenant_id Xero identifier for Tenant (required)
-     * @param  string[] $ids Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
+     * @param  string[] $i_ds Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
      * @param  \DateTime $date_to Filter by start date (optional)
      * @param  \DateTime $date_from Filter by end date (optional)
      * @throws \XeroAPI\XeroPHP\ApiException on non-2xx response
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Budgets, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBudgetsWithHttpInfo($xero_tenant_id$ids = null$date_to = null$date_from = null)
+    public function getBudgetsWithHttpInfo($xero_tenant_id, $i_ds = null, $date_to = null, $date_from = null)
     {
-        $request = $this->getBudgetsRequest($xero_tenant_id$ids$date_to$date_from);
+        $request = $this->getBudgetsRequest($xero_tenant_id, $i_ds, $date_to, $date_from);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -23884,15 +23884,15 @@ public function getBudgetsWithHttpInfo($xero_tenant_id$ids = null$date_to = null
      * Operation getBudgetsAsync
      * Retrieve a list of budgets
      * @param  string $xero_tenant_id Xero identifier for Tenant (required)
-     * @param  string[] $ids Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
+     * @param  string[] $i_ds Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
      * @param  \DateTime $date_to Filter by start date (optional)
      * @param  \DateTime $date_from Filter by end date (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBudgetsAsync($xero_tenant_id$ids = null$date_to = null$date_from = null)
+    public function getBudgetsAsync($xero_tenant_id, $i_ds = null, $date_to = null, $date_from = null)
     {
-        return $this->getBudgetsAsyncWithHttpInfo($xero_tenant_id$ids$date_to$date_from)
+        return $this->getBudgetsAsyncWithHttpInfo($xero_tenant_id, $i_ds, $date_to, $date_from)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -23903,15 +23903,15 @@ function ($response) {
      * Operation getBudgetsAsyncWithHttpInfo
      * Retrieve a list of budgets
      * @param  string $xero_tenant_id Xero identifier for Tenant (required)
-     * @param  string[] $ids Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
+     * @param  string[] $i_ds Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
      * @param  \DateTime $date_to Filter by start date (optional)
      * @param  \DateTime $date_from Filter by end date (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBudgetsAsyncWithHttpInfo($xero_tenant_id$ids = null$date_to = null$date_from = null)
+    public function getBudgetsAsyncWithHttpInfo($xero_tenant_id, $i_ds = null, $date_to = null, $date_from = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Budgets';
-        $request = $this->getBudgetsRequest($xero_tenant_id$ids$date_to$date_from);
+        $request = $this->getBudgetsRequest($xero_tenant_id, $i_ds, $date_to, $date_from);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -23948,12 +23948,12 @@ function ($exception) {
     /**
      * Create request for operation 'getBudgets'
      * @param  string $xero_tenant_id Xero identifier for Tenant (required)
-     * @param  string[] $ids Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
+     * @param  string[] $i_ds Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
      * @param  \DateTime $date_to Filter by start date (optional)
      * @param  \DateTime $date_from Filter by end date (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBudgetsRequest($xero_tenant_id$ids = null$date_to = null$date_from = null)
+    protected function getBudgetsRequest($xero_tenant_id, $i_ds = null, $date_to = null, $date_from = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -23968,11 +23968,11 @@ protected function getBudgetsRequest($xero_tenant_id$ids = null$date_to = null$d
         $httpBody = '';
         $multipart = false;
         // query params
-        if (is_array($ids)) {
-            $ids = AccountingObjectSerializer::serializeCollection($ids, 'csv', true);
+        if (is_array($i_ds)) {
+            $i_ds = AccountingObjectSerializer::serializeCollection($i_ds, 'csv', true);
         }
-        if ($ids !== null) {
-            $queryParams['IDs'] = AccountingObjectSerializer::toQueryValue($ids);
+        if ($i_ds !== null) {
+            $queryParams['IDs'] = AccountingObjectSerializer::toQueryValue($i_ds);
         }
         // query params
         if ($date_to !== null) {
@@ -24055,9 +24055,9 @@ protected function getBudgetsRequest($xero_tenant_id$ids = null$date_to = null$d
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Contacts
      */
-    public function getContact($xero_tenant_id$contact_id)
+    public function getContact($xero_tenant_id, $contact_id)
     {
-        list($response) = $this->getContactWithHttpInfo($xero_tenant_id$contact_id);
+        list($response) = $this->getContactWithHttpInfo($xero_tenant_id, $contact_id);
         return $response;
     }
     /**
@@ -24069,9 +24069,9 @@ public function getContact($xero_tenant_id$contact_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Contacts, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getContactWithHttpInfo($xero_tenant_id$contact_id)
+    public function getContactWithHttpInfo($xero_tenant_id, $contact_id)
     {
-        $request = $this->getContactRequest($xero_tenant_id$contact_id);
+        $request = $this->getContactRequest($xero_tenant_id, $contact_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -24145,9 +24145,9 @@ public function getContactWithHttpInfo($xero_tenant_id$contact_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getContactAsync($xero_tenant_id$contact_id)
+    public function getContactAsync($xero_tenant_id, $contact_id)
     {
-        return $this->getContactAsyncWithHttpInfo($xero_tenant_id$contact_id)
+        return $this->getContactAsyncWithHttpInfo($xero_tenant_id, $contact_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -24161,10 +24161,10 @@ function ($response) {
      * @param  string $contact_id Unique identifier for a Contact (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getContactAsyncWithHttpInfo($xero_tenant_id$contact_id)
+    public function getContactAsyncWithHttpInfo($xero_tenant_id, $contact_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Contacts';
-        $request = $this->getContactRequest($xero_tenant_id$contact_id);
+        $request = $this->getContactRequest($xero_tenant_id, $contact_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -24204,7 +24204,7 @@ function ($exception) {
      * @param  string $contact_id Unique identifier for a Contact (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getContactRequest($xero_tenant_id$contact_id)
+    protected function getContactRequest($xero_tenant_id, $contact_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -24307,9 +24307,9 @@ protected function getContactRequest($xero_tenant_id$contact_id)
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getContactAttachmentByFileName($xero_tenant_id$contact_id$file_name$content_type)
+    public function getContactAttachmentByFileName($xero_tenant_id, $contact_id, $file_name, $content_type)
     {
-        list($response) = $this->getContactAttachmentByFileNameWithHttpInfo($xero_tenant_id$contact_id$file_name$content_type);
+        list($response) = $this->getContactAttachmentByFileNameWithHttpInfo($xero_tenant_id, $contact_id, $file_name, $content_type);
         return $response;
     }
     /**
@@ -24323,9 +24323,9 @@ public function getContactAttachmentByFileName($xero_tenant_id$contact_id$file_n
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getContactAttachmentByFileNameWithHttpInfo($xero_tenant_id$contact_id$file_name$content_type)
+    public function getContactAttachmentByFileNameWithHttpInfo($xero_tenant_id, $contact_id, $file_name, $content_type)
     {
-        $request = $this->getContactAttachmentByFileNameRequest($xero_tenant_id$contact_id$file_name$content_type);
+        $request = $this->getContactAttachmentByFileNameRequest($xero_tenant_id, $contact_id, $file_name, $content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -24401,9 +24401,9 @@ public function getContactAttachmentByFileNameWithHttpInfo($xero_tenant_id$conta
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getContactAttachmentByFileNameAsync($xero_tenant_id$contact_id$file_name$content_type)
+    public function getContactAttachmentByFileNameAsync($xero_tenant_id, $contact_id, $file_name, $content_type)
     {
-        return $this->getContactAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$contact_id$file_name$content_type)
+        return $this->getContactAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $contact_id, $file_name, $content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -24419,10 +24419,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getContactAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$contact_id$file_name$content_type)
+    public function getContactAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $contact_id, $file_name, $content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getContactAttachmentByFileNameRequest($xero_tenant_id$contact_id$file_name$content_type);
+        $request = $this->getContactAttachmentByFileNameRequest($xero_tenant_id, $contact_id, $file_name, $content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -24464,7 +24464,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getContactAttachmentByFileNameRequest($xero_tenant_id$contact_id$file_name$content_type)
+    protected function getContactAttachmentByFileNameRequest($xero_tenant_id, $contact_id, $file_name, $content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -24591,9 +24591,9 @@ protected function getContactAttachmentByFileNameRequest($xero_tenant_id$contact
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getContactAttachmentById($xero_tenant_id$contact_id$attachment_id$content_type)
+    public function getContactAttachmentById($xero_tenant_id, $contact_id, $attachment_id, $content_type)
     {
-        list($response) = $this->getContactAttachmentByIdWithHttpInfo($xero_tenant_id$contact_id$attachment_id$content_type);
+        list($response) = $this->getContactAttachmentByIdWithHttpInfo($xero_tenant_id, $contact_id, $attachment_id, $content_type);
         return $response;
     }
     /**
@@ -24607,9 +24607,9 @@ public function getContactAttachmentById($xero_tenant_id$contact_id$attachment_i
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getContactAttachmentByIdWithHttpInfo($xero_tenant_id$contact_id$attachment_id$content_type)
+    public function getContactAttachmentByIdWithHttpInfo($xero_tenant_id, $contact_id, $attachment_id, $content_type)
     {
-        $request = $this->getContactAttachmentByIdRequest($xero_tenant_id$contact_id$attachment_id$content_type);
+        $request = $this->getContactAttachmentByIdRequest($xero_tenant_id, $contact_id, $attachment_id, $content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -24685,9 +24685,9 @@ public function getContactAttachmentByIdWithHttpInfo($xero_tenant_id$contact_id$
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getContactAttachmentByIdAsync($xero_tenant_id$contact_id$attachment_id$content_type)
+    public function getContactAttachmentByIdAsync($xero_tenant_id, $contact_id, $attachment_id, $content_type)
     {
-        return $this->getContactAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$contact_id$attachment_id$content_type)
+        return $this->getContactAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $contact_id, $attachment_id, $content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -24703,10 +24703,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getContactAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$contact_id$attachment_id$content_type)
+    public function getContactAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $contact_id, $attachment_id, $content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getContactAttachmentByIdRequest($xero_tenant_id$contact_id$attachment_id$content_type);
+        $request = $this->getContactAttachmentByIdRequest($xero_tenant_id, $contact_id, $attachment_id, $content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -24748,7 +24748,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getContactAttachmentByIdRequest($xero_tenant_id$contact_id$attachment_id$content_type)
+    protected function getContactAttachmentByIdRequest($xero_tenant_id, $contact_id, $attachment_id, $content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -24873,9 +24873,9 @@ protected function getContactAttachmentByIdRequest($xero_tenant_id$contact_id$at
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments
      */
-    public function getContactAttachments($xero_tenant_id$contact_id)
+    public function getContactAttachments($xero_tenant_id, $contact_id)
     {
-        list($response) = $this->getContactAttachmentsWithHttpInfo($xero_tenant_id$contact_id);
+        list($response) = $this->getContactAttachmentsWithHttpInfo($xero_tenant_id, $contact_id);
         return $response;
     }
     /**
@@ -24887,9 +24887,9 @@ public function getContactAttachments($xero_tenant_id$contact_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getContactAttachmentsWithHttpInfo($xero_tenant_id$contact_id)
+    public function getContactAttachmentsWithHttpInfo($xero_tenant_id, $contact_id)
     {
-        $request = $this->getContactAttachmentsRequest($xero_tenant_id$contact_id);
+        $request = $this->getContactAttachmentsRequest($xero_tenant_id, $contact_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -24963,9 +24963,9 @@ public function getContactAttachmentsWithHttpInfo($xero_tenant_id$contact_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getContactAttachmentsAsync($xero_tenant_id$contact_id)
+    public function getContactAttachmentsAsync($xero_tenant_id, $contact_id)
     {
-        return $this->getContactAttachmentsAsyncWithHttpInfo($xero_tenant_id$contact_id)
+        return $this->getContactAttachmentsAsyncWithHttpInfo($xero_tenant_id, $contact_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -24979,10 +24979,10 @@ function ($response) {
      * @param  string $contact_id Unique identifier for a Contact (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getContactAttachmentsAsyncWithHttpInfo($xero_tenant_id$contact_id)
+    public function getContactAttachmentsAsyncWithHttpInfo($xero_tenant_id, $contact_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->getContactAttachmentsRequest($xero_tenant_id$contact_id);
+        $request = $this->getContactAttachmentsRequest($xero_tenant_id, $contact_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -25022,7 +25022,7 @@ function ($exception) {
      * @param  string $contact_id Unique identifier for a Contact (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getContactAttachmentsRequest($xero_tenant_id$contact_id)
+    protected function getContactAttachmentsRequest($xero_tenant_id, $contact_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -25123,9 +25123,9 @@ protected function getContactAttachmentsRequest($xero_tenant_id$contact_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Contacts
      */
-    public function getContactByContactNumber($xero_tenant_id$contact_number)
+    public function getContactByContactNumber($xero_tenant_id, $contact_number)
     {
-        list($response) = $this->getContactByContactNumberWithHttpInfo($xero_tenant_id$contact_number);
+        list($response) = $this->getContactByContactNumberWithHttpInfo($xero_tenant_id, $contact_number);
         return $response;
     }
     /**
@@ -25137,9 +25137,9 @@ public function getContactByContactNumber($xero_tenant_id$contact_number)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Contacts, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getContactByContactNumberWithHttpInfo($xero_tenant_id$contact_number)
+    public function getContactByContactNumberWithHttpInfo($xero_tenant_id, $contact_number)
     {
-        $request = $this->getContactByContactNumberRequest($xero_tenant_id$contact_number);
+        $request = $this->getContactByContactNumberRequest($xero_tenant_id, $contact_number);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -25213,9 +25213,9 @@ public function getContactByContactNumberWithHttpInfo($xero_tenant_id$contact_nu
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getContactByContactNumberAsync($xero_tenant_id$contact_number)
+    public function getContactByContactNumberAsync($xero_tenant_id, $contact_number)
     {
-        return $this->getContactByContactNumberAsyncWithHttpInfo($xero_tenant_id$contact_number)
+        return $this->getContactByContactNumberAsyncWithHttpInfo($xero_tenant_id, $contact_number)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -25229,10 +25229,10 @@ function ($response) {
      * @param  string $contact_number This field is read only on the Xero contact screen, used to identify contacts in external systems (max length &#x3D; 50). (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getContactByContactNumberAsyncWithHttpInfo($xero_tenant_id$contact_number)
+    public function getContactByContactNumberAsyncWithHttpInfo($xero_tenant_id, $contact_number)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Contacts';
-        $request = $this->getContactByContactNumberRequest($xero_tenant_id$contact_number);
+        $request = $this->getContactByContactNumberRequest($xero_tenant_id, $contact_number);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -25272,7 +25272,7 @@ function ($exception) {
      * @param  string $contact_number This field is read only on the Xero contact screen, used to identify contacts in external systems (max length &#x3D; 50). (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getContactByContactNumberRequest($xero_tenant_id$contact_number)
+    protected function getContactByContactNumberRequest($xero_tenant_id, $contact_number)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -25373,9 +25373,9 @@ protected function getContactByContactNumberRequest($xero_tenant_id$contact_numb
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\CISSettings
      */
-    public function getContactCISSettings($xero_tenant_id$contact_id)
+    public function getContactCISSettings($xero_tenant_id, $contact_id)
     {
-        list($response) = $this->getContactCISSettingsWithHttpInfo($xero_tenant_id$contact_id);
+        list($response) = $this->getContactCISSettingsWithHttpInfo($xero_tenant_id, $contact_id);
         return $response;
     }
     /**
@@ -25387,9 +25387,9 @@ public function getContactCISSettings($xero_tenant_id$contact_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\CISSettings, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getContactCISSettingsWithHttpInfo($xero_tenant_id$contact_id)
+    public function getContactCISSettingsWithHttpInfo($xero_tenant_id, $contact_id)
     {
-        $request = $this->getContactCISSettingsRequest($xero_tenant_id$contact_id);
+        $request = $this->getContactCISSettingsRequest($xero_tenant_id, $contact_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -25463,9 +25463,9 @@ public function getContactCISSettingsWithHttpInfo($xero_tenant_id$contact_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getContactCISSettingsAsync($xero_tenant_id$contact_id)
+    public function getContactCISSettingsAsync($xero_tenant_id, $contact_id)
     {
-        return $this->getContactCISSettingsAsyncWithHttpInfo($xero_tenant_id$contact_id)
+        return $this->getContactCISSettingsAsyncWithHttpInfo($xero_tenant_id, $contact_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -25479,10 +25479,10 @@ function ($response) {
      * @param  string $contact_id Unique identifier for a Contact (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getContactCISSettingsAsyncWithHttpInfo($xero_tenant_id$contact_id)
+    public function getContactCISSettingsAsyncWithHttpInfo($xero_tenant_id, $contact_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\CISSettings';
-        $request = $this->getContactCISSettingsRequest($xero_tenant_id$contact_id);
+        $request = $this->getContactCISSettingsRequest($xero_tenant_id, $contact_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -25522,7 +25522,7 @@ function ($exception) {
      * @param  string $contact_id Unique identifier for a Contact (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getContactCISSettingsRequest($xero_tenant_id$contact_id)
+    protected function getContactCISSettingsRequest($xero_tenant_id, $contact_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -25623,9 +25623,9 @@ protected function getContactCISSettingsRequest($xero_tenant_id$contact_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ContactGroups
      */
-    public function getContactGroup($xero_tenant_id$contact_group_id)
+    public function getContactGroup($xero_tenant_id, $contact_group_id)
     {
-        list($response) = $this->getContactGroupWithHttpInfo($xero_tenant_id$contact_group_id);
+        list($response) = $this->getContactGroupWithHttpInfo($xero_tenant_id, $contact_group_id);
         return $response;
     }
     /**
@@ -25637,9 +25637,9 @@ public function getContactGroup($xero_tenant_id$contact_group_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ContactGroups, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getContactGroupWithHttpInfo($xero_tenant_id$contact_group_id)
+    public function getContactGroupWithHttpInfo($xero_tenant_id, $contact_group_id)
     {
-        $request = $this->getContactGroupRequest($xero_tenant_id$contact_group_id);
+        $request = $this->getContactGroupRequest($xero_tenant_id, $contact_group_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -25713,9 +25713,9 @@ public function getContactGroupWithHttpInfo($xero_tenant_id$contact_group_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getContactGroupAsync($xero_tenant_id$contact_group_id)
+    public function getContactGroupAsync($xero_tenant_id, $contact_group_id)
     {
-        return $this->getContactGroupAsyncWithHttpInfo($xero_tenant_id$contact_group_id)
+        return $this->getContactGroupAsyncWithHttpInfo($xero_tenant_id, $contact_group_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -25729,10 +25729,10 @@ function ($response) {
      * @param  string $contact_group_id Unique identifier for a Contact Group (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getContactGroupAsyncWithHttpInfo($xero_tenant_id$contact_group_id)
+    public function getContactGroupAsyncWithHttpInfo($xero_tenant_id, $contact_group_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ContactGroups';
-        $request = $this->getContactGroupRequest($xero_tenant_id$contact_group_id);
+        $request = $this->getContactGroupRequest($xero_tenant_id, $contact_group_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -25772,7 +25772,7 @@ function ($exception) {
      * @param  string $contact_group_id Unique identifier for a Contact Group (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getContactGroupRequest($xero_tenant_id$contact_group_id)
+    protected function getContactGroupRequest($xero_tenant_id, $contact_group_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -25874,9 +25874,9 @@ protected function getContactGroupRequest($xero_tenant_id$contact_group_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ContactGroups
      */
-    public function getContactGroups($xero_tenant_id$where = null$order = null)
+    public function getContactGroups($xero_tenant_id, $where = null, $order = null)
     {
-        list($response) = $this->getContactGroupsWithHttpInfo($xero_tenant_id$where$order);
+        list($response) = $this->getContactGroupsWithHttpInfo($xero_tenant_id, $where, $order);
         return $response;
     }
     /**
@@ -25889,9 +25889,9 @@ public function getContactGroups($xero_tenant_id$where = null$order = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ContactGroups, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getContactGroupsWithHttpInfo($xero_tenant_id$where = null$order = null)
+    public function getContactGroupsWithHttpInfo($xero_tenant_id, $where = null, $order = null)
     {
-        $request = $this->getContactGroupsRequest($xero_tenant_id$where$order);
+        $request = $this->getContactGroupsRequest($xero_tenant_id, $where, $order);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -25966,9 +25966,9 @@ public function getContactGroupsWithHttpInfo($xero_tenant_id$where = null$order
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getContactGroupsAsync($xero_tenant_id$where = null$order = null)
+    public function getContactGroupsAsync($xero_tenant_id, $where = null, $order = null)
     {
-        return $this->getContactGroupsAsyncWithHttpInfo($xero_tenant_id$where$order)
+        return $this->getContactGroupsAsyncWithHttpInfo($xero_tenant_id, $where, $order)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -25983,10 +25983,10 @@ function ($response) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getContactGroupsAsyncWithHttpInfo($xero_tenant_id$where = null$order = null)
+    public function getContactGroupsAsyncWithHttpInfo($xero_tenant_id, $where = null, $order = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ContactGroups';
-        $request = $this->getContactGroupsRequest($xero_tenant_id$where$order);
+        $request = $this->getContactGroupsRequest($xero_tenant_id, $where, $order);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -26027,7 +26027,7 @@ function ($exception) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getContactGroupsRequest($xero_tenant_id$where = null$order = null)
+    protected function getContactGroupsRequest($xero_tenant_id, $where = null, $order = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -26122,9 +26122,9 @@ protected function getContactGroupsRequest($xero_tenant_id$where = null$order =
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getContactHistory($xero_tenant_id$contact_id)
+    public function getContactHistory($xero_tenant_id, $contact_id)
     {
-        list($response) = $this->getContactHistoryWithHttpInfo($xero_tenant_id$contact_id);
+        list($response) = $this->getContactHistoryWithHttpInfo($xero_tenant_id, $contact_id);
         return $response;
     }
     /**
@@ -26136,9 +26136,9 @@ public function getContactHistory($xero_tenant_id$contact_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getContactHistoryWithHttpInfo($xero_tenant_id$contact_id)
+    public function getContactHistoryWithHttpInfo($xero_tenant_id, $contact_id)
     {
-        $request = $this->getContactHistoryRequest($xero_tenant_id$contact_id);
+        $request = $this->getContactHistoryRequest($xero_tenant_id, $contact_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -26212,9 +26212,9 @@ public function getContactHistoryWithHttpInfo($xero_tenant_id$contact_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getContactHistoryAsync($xero_tenant_id$contact_id)
+    public function getContactHistoryAsync($xero_tenant_id, $contact_id)
     {
-        return $this->getContactHistoryAsyncWithHttpInfo($xero_tenant_id$contact_id)
+        return $this->getContactHistoryAsyncWithHttpInfo($xero_tenant_id, $contact_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -26228,10 +26228,10 @@ function ($response) {
      * @param  string $contact_id Unique identifier for a Contact (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getContactHistoryAsyncWithHttpInfo($xero_tenant_id$contact_id)
+    public function getContactHistoryAsyncWithHttpInfo($xero_tenant_id, $contact_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getContactHistoryRequest($xero_tenant_id$contact_id);
+        $request = $this->getContactHistoryRequest($xero_tenant_id, $contact_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -26271,7 +26271,7 @@ function ($exception) {
      * @param  string $contact_id Unique identifier for a Contact (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getContactHistoryRequest($xero_tenant_id$contact_id)
+    protected function getContactHistoryRequest($xero_tenant_id, $contact_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -26370,7 +26370,7 @@ protected function getContactHistoryRequest($xero_tenant_id$contact_id)
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $ids Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
+     * @param  string[] $i_ds Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
      * @param  int $page e.g. page&#x3D;1 - Up to 100 contacts will be returned in a single API call. (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Contacts with a status of ARCHIVED will be included in the response (optional)
      * @param  bool $summary_only Use summaryOnly&#x3D;true in GET Contacts and Invoices endpoint to retrieve a smaller version of the response object. This returns only lightweight fields, excluding computation-heavy fields from the response, making the API calls quick and efficient. (optional, default to false)
@@ -26379,9 +26379,9 @@ protected function getContactHistoryRequest($xero_tenant_id$contact_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Contacts
      */
-    public function getContacts($xero_tenant_id$if_modified_since = null$where = null$order = null$ids = null$page = null$include_archived = null$summary_only = false$search_term = null)
+    public function getContacts($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $page = null, $include_archived = null, $summary_only = false, $search_term = null)
     {
-        list($response) = $this->getContactsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$ids$page$include_archived$summary_only$search_term);
+        list($response) = $this->getContactsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $i_ds, $page, $include_archived, $summary_only, $search_term);
         return $response;
     }
     /**
@@ -26391,7 +26391,7 @@ public function getContacts($xero_tenant_id$if_modified_since = null$where = nul
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $ids Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
+     * @param  string[] $i_ds Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
      * @param  int $page e.g. page&#x3D;1 - Up to 100 contacts will be returned in a single API call. (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Contacts with a status of ARCHIVED will be included in the response (optional)
      * @param  bool $summary_only Use summaryOnly&#x3D;true in GET Contacts and Invoices endpoint to retrieve a smaller version of the response object. This returns only lightweight fields, excluding computation-heavy fields from the response, making the API calls quick and efficient. (optional, default to false)
@@ -26400,9 +26400,9 @@ public function getContacts($xero_tenant_id$if_modified_since = null$where = nul
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Contacts, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getContactsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$ids = null$page = null$include_archived = null$summary_only = false$search_term = null)
+    public function getContactsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $page = null, $include_archived = null, $summary_only = false, $search_term = null)
     {
-        $request = $this->getContactsRequest($xero_tenant_id$if_modified_since$where$order$ids$page$include_archived$summary_only$search_term);
+        $request = $this->getContactsRequest($xero_tenant_id, $if_modified_since, $where, $order, $i_ds, $page, $include_archived, $summary_only, $search_term);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -26475,7 +26475,7 @@ public function getContactsWithHttpInfo($xero_tenant_id$if_modified_since = null
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $ids Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
+     * @param  string[] $i_ds Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
      * @param  int $page e.g. page&#x3D;1 - Up to 100 contacts will be returned in a single API call. (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Contacts with a status of ARCHIVED will be included in the response (optional)
      * @param  bool $summary_only Use summaryOnly&#x3D;true in GET Contacts and Invoices endpoint to retrieve a smaller version of the response object. This returns only lightweight fields, excluding computation-heavy fields from the response, making the API calls quick and efficient. (optional, default to false)
@@ -26483,9 +26483,9 @@ public function getContactsWithHttpInfo($xero_tenant_id$if_modified_since = null
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getContactsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$ids = null$page = null$include_archived = null$summary_only = false$search_term = null)
+    public function getContactsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $page = null, $include_archived = null, $summary_only = false, $search_term = null)
     {
-        return $this->getContactsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$ids$page$include_archived$summary_only$search_term)
+        return $this->getContactsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $i_ds, $page, $include_archived, $summary_only, $search_term)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -26499,17 +26499,17 @@ function ($response) {
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $ids Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
+     * @param  string[] $i_ds Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
      * @param  int $page e.g. page&#x3D;1 - Up to 100 contacts will be returned in a single API call. (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Contacts with a status of ARCHIVED will be included in the response (optional)
      * @param  bool $summary_only Use summaryOnly&#x3D;true in GET Contacts and Invoices endpoint to retrieve a smaller version of the response object. This returns only lightweight fields, excluding computation-heavy fields from the response, making the API calls quick and efficient. (optional, default to false)
      * @param  string $search_term Search parameter that performs a case-insensitive text search across the Name, FirstName, LastName, ContactNumber and EmailAddress fields. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getContactsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$ids = null$page = null$include_archived = null$summary_only = false$search_term = null)
+    public function getContactsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $page = null, $include_archived = null, $summary_only = false, $search_term = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Contacts';
-        $request = $this->getContactsRequest($xero_tenant_id$if_modified_since$where$order$ids$page$include_archived$summary_only$search_term);
+        $request = $this->getContactsRequest($xero_tenant_id, $if_modified_since, $where, $order, $i_ds, $page, $include_archived, $summary_only, $search_term);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -26549,14 +26549,14 @@ function ($exception) {
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $ids Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
+     * @param  string[] $i_ds Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
      * @param  int $page e.g. page&#x3D;1 - Up to 100 contacts will be returned in a single API call. (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Contacts with a status of ARCHIVED will be included in the response (optional)
      * @param  bool $summary_only Use summaryOnly&#x3D;true in GET Contacts and Invoices endpoint to retrieve a smaller version of the response object. This returns only lightweight fields, excluding computation-heavy fields from the response, making the API calls quick and efficient. (optional, default to false)
      * @param  string $search_term Search parameter that performs a case-insensitive text search across the Name, FirstName, LastName, ContactNumber and EmailAddress fields. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getContactsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$ids = null$page = null$include_archived = null$summary_only = false$search_term = null)
+    protected function getContactsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $page = null, $include_archived = null, $summary_only = false, $search_term = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -26579,11 +26579,11 @@ protected function getContactsRequest($xero_tenant_id$if_modified_since = null$w
             $queryParams['order'] = AccountingObjectSerializer::toQueryValue($order);
         }
         // query params
-        if (is_array($ids)) {
-            $ids = AccountingObjectSerializer::serializeCollection($ids, 'csv', true);
+        if (is_array($i_ds)) {
+            $i_ds = AccountingObjectSerializer::serializeCollection($i_ds, 'csv', true);
         }
-        if ($ids !== null) {
-            $queryParams['IDs'] = AccountingObjectSerializer::toQueryValue($ids);
+        if ($i_ds !== null) {
+            $queryParams['IDs'] = AccountingObjectSerializer::toQueryValue($i_ds);
         }
         // query params
         if ($page !== null) {
@@ -26679,9 +26679,9 @@ protected function getContactsRequest($xero_tenant_id$if_modified_since = null$w
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\CreditNotes
      */
-    public function getCreditNote($xero_tenant_id$credit_note_id$unitdp = null)
+    public function getCreditNote($xero_tenant_id, $credit_note_id, $unitdp = null)
     {
-        list($response) = $this->getCreditNoteWithHttpInfo($xero_tenant_id$credit_note_id$unitdp);
+        list($response) = $this->getCreditNoteWithHttpInfo($xero_tenant_id, $credit_note_id, $unitdp);
         return $response;
     }
     /**
@@ -26694,9 +26694,9 @@ public function getCreditNote($xero_tenant_id$credit_note_id$unitdp = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\CreditNotes, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getCreditNoteWithHttpInfo($xero_tenant_id$credit_note_id$unitdp = null)
+    public function getCreditNoteWithHttpInfo($xero_tenant_id, $credit_note_id, $unitdp = null)
     {
-        $request = $this->getCreditNoteRequest($xero_tenant_id$credit_note_id$unitdp);
+        $request = $this->getCreditNoteRequest($xero_tenant_id, $credit_note_id, $unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -26771,9 +26771,9 @@ public function getCreditNoteWithHttpInfo($xero_tenant_id$credit_note_id$unitdp
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getCreditNoteAsync($xero_tenant_id$credit_note_id$unitdp = null)
+    public function getCreditNoteAsync($xero_tenant_id, $credit_note_id, $unitdp = null)
     {
-        return $this->getCreditNoteAsyncWithHttpInfo($xero_tenant_id$credit_note_id$unitdp)
+        return $this->getCreditNoteAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -26788,10 +26788,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getCreditNoteAsyncWithHttpInfo($xero_tenant_id$credit_note_id$unitdp = null)
+    public function getCreditNoteAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\CreditNotes';
-        $request = $this->getCreditNoteRequest($xero_tenant_id$credit_note_id$unitdp);
+        $request = $this->getCreditNoteRequest($xero_tenant_id, $credit_note_id, $unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -26832,7 +26832,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getCreditNoteRequest($xero_tenant_id$credit_note_id$unitdp = null)
+    protected function getCreditNoteRequest($xero_tenant_id, $credit_note_id, $unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -26937,9 +26937,9 @@ protected function getCreditNoteRequest($xero_tenant_id$credit_note_id$unitdp =
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getCreditNoteAsPdf($xero_tenant_id$credit_note_id)
+    public function getCreditNoteAsPdf($xero_tenant_id, $credit_note_id)
     {
-        list($response) = $this->getCreditNoteAsPdfWithHttpInfo($xero_tenant_id$credit_note_id);
+        list($response) = $this->getCreditNoteAsPdfWithHttpInfo($xero_tenant_id, $credit_note_id);
         return $response;
     }
     /**
@@ -26951,9 +26951,9 @@ public function getCreditNoteAsPdf($xero_tenant_id$credit_note_id)
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getCreditNoteAsPdfWithHttpInfo($xero_tenant_id$credit_note_id)
+    public function getCreditNoteAsPdfWithHttpInfo($xero_tenant_id, $credit_note_id)
     {
-        $request = $this->getCreditNoteAsPdfRequest($xero_tenant_id$credit_note_id);
+        $request = $this->getCreditNoteAsPdfRequest($xero_tenant_id, $credit_note_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -27027,9 +27027,9 @@ public function getCreditNoteAsPdfWithHttpInfo($xero_tenant_id$credit_note_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getCreditNoteAsPdfAsync($xero_tenant_id$credit_note_id)
+    public function getCreditNoteAsPdfAsync($xero_tenant_id, $credit_note_id)
     {
-        return $this->getCreditNoteAsPdfAsyncWithHttpInfo($xero_tenant_id$credit_note_id)
+        return $this->getCreditNoteAsPdfAsyncWithHttpInfo($xero_tenant_id, $credit_note_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -27043,10 +27043,10 @@ function ($response) {
      * @param  string $credit_note_id Unique identifier for a Credit Note (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getCreditNoteAsPdfAsyncWithHttpInfo($xero_tenant_id$credit_note_id)
+    public function getCreditNoteAsPdfAsyncWithHttpInfo($xero_tenant_id, $credit_note_id)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getCreditNoteAsPdfRequest($xero_tenant_id$credit_note_id);
+        $request = $this->getCreditNoteAsPdfRequest($xero_tenant_id, $credit_note_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -27086,7 +27086,7 @@ function ($exception) {
      * @param  string $credit_note_id Unique identifier for a Credit Note (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getCreditNoteAsPdfRequest($xero_tenant_id$credit_note_id)
+    protected function getCreditNoteAsPdfRequest($xero_tenant_id, $credit_note_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -27189,9 +27189,9 @@ protected function getCreditNoteAsPdfRequest($xero_tenant_id$credit_note_id)
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getCreditNoteAttachmentByFileName($xero_tenant_id$credit_note_id$file_name$content_type)
+    public function getCreditNoteAttachmentByFileName($xero_tenant_id, $credit_note_id, $file_name, $content_type)
     {
-        list($response) = $this->getCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$credit_note_id$file_name$content_type);
+        list($response) = $this->getCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $credit_note_id, $file_name, $content_type);
         return $response;
     }
     /**
@@ -27205,9 +27205,9 @@ public function getCreditNoteAttachmentByFileName($xero_tenant_id$credit_note_id
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$credit_note_id$file_name$content_type)
+    public function getCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $credit_note_id, $file_name, $content_type)
     {
-        $request = $this->getCreditNoteAttachmentByFileNameRequest($xero_tenant_id$credit_note_id$file_name$content_type);
+        $request = $this->getCreditNoteAttachmentByFileNameRequest($xero_tenant_id, $credit_note_id, $file_name, $content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -27283,9 +27283,9 @@ public function getCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$cr
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getCreditNoteAttachmentByFileNameAsync($xero_tenant_id$credit_note_id$file_name$content_type)
+    public function getCreditNoteAttachmentByFileNameAsync($xero_tenant_id, $credit_note_id, $file_name, $content_type)
     {
-        return $this->getCreditNoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$credit_note_id$file_name$content_type)
+        return $this->getCreditNoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $file_name, $content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -27301,10 +27301,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getCreditNoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$credit_note_id$file_name$content_type)
+    public function getCreditNoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $file_name, $content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getCreditNoteAttachmentByFileNameRequest($xero_tenant_id$credit_note_id$file_name$content_type);
+        $request = $this->getCreditNoteAttachmentByFileNameRequest($xero_tenant_id, $credit_note_id, $file_name, $content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -27346,7 +27346,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getCreditNoteAttachmentByFileNameRequest($xero_tenant_id$credit_note_id$file_name$content_type)
+    protected function getCreditNoteAttachmentByFileNameRequest($xero_tenant_id, $credit_note_id, $file_name, $content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -27473,9 +27473,9 @@ protected function getCreditNoteAttachmentByFileNameRequest($xero_tenant_id$cred
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getCreditNoteAttachmentById($xero_tenant_id$credit_note_id$attachment_id$content_type)
+    public function getCreditNoteAttachmentById($xero_tenant_id, $credit_note_id, $attachment_id, $content_type)
     {
-        list($response) = $this->getCreditNoteAttachmentByIdWithHttpInfo($xero_tenant_id$credit_note_id$attachment_id$content_type);
+        list($response) = $this->getCreditNoteAttachmentByIdWithHttpInfo($xero_tenant_id, $credit_note_id, $attachment_id, $content_type);
         return $response;
     }
     /**
@@ -27489,9 +27489,9 @@ public function getCreditNoteAttachmentById($xero_tenant_id$credit_note_id$attac
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getCreditNoteAttachmentByIdWithHttpInfo($xero_tenant_id$credit_note_id$attachment_id$content_type)
+    public function getCreditNoteAttachmentByIdWithHttpInfo($xero_tenant_id, $credit_note_id, $attachment_id, $content_type)
     {
-        $request = $this->getCreditNoteAttachmentByIdRequest($xero_tenant_id$credit_note_id$attachment_id$content_type);
+        $request = $this->getCreditNoteAttachmentByIdRequest($xero_tenant_id, $credit_note_id, $attachment_id, $content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -27567,9 +27567,9 @@ public function getCreditNoteAttachmentByIdWithHttpInfo($xero_tenant_id$credit_n
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getCreditNoteAttachmentByIdAsync($xero_tenant_id$credit_note_id$attachment_id$content_type)
+    public function getCreditNoteAttachmentByIdAsync($xero_tenant_id, $credit_note_id, $attachment_id, $content_type)
     {
-        return $this->getCreditNoteAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$credit_note_id$attachment_id$content_type)
+        return $this->getCreditNoteAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $attachment_id, $content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -27585,10 +27585,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getCreditNoteAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$credit_note_id$attachment_id$content_type)
+    public function getCreditNoteAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $attachment_id, $content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getCreditNoteAttachmentByIdRequest($xero_tenant_id$credit_note_id$attachment_id$content_type);
+        $request = $this->getCreditNoteAttachmentByIdRequest($xero_tenant_id, $credit_note_id, $attachment_id, $content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -27630,7 +27630,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getCreditNoteAttachmentByIdRequest($xero_tenant_id$credit_note_id$attachment_id$content_type)
+    protected function getCreditNoteAttachmentByIdRequest($xero_tenant_id, $credit_note_id, $attachment_id, $content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -27755,9 +27755,9 @@ protected function getCreditNoteAttachmentByIdRequest($xero_tenant_id$credit_not
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments
      */
-    public function getCreditNoteAttachments($xero_tenant_id$credit_note_id)
+    public function getCreditNoteAttachments($xero_tenant_id, $credit_note_id)
     {
-        list($response) = $this->getCreditNoteAttachmentsWithHttpInfo($xero_tenant_id$credit_note_id);
+        list($response) = $this->getCreditNoteAttachmentsWithHttpInfo($xero_tenant_id, $credit_note_id);
         return $response;
     }
     /**
@@ -27769,9 +27769,9 @@ public function getCreditNoteAttachments($xero_tenant_id$credit_note_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getCreditNoteAttachmentsWithHttpInfo($xero_tenant_id$credit_note_id)
+    public function getCreditNoteAttachmentsWithHttpInfo($xero_tenant_id, $credit_note_id)
     {
-        $request = $this->getCreditNoteAttachmentsRequest($xero_tenant_id$credit_note_id);
+        $request = $this->getCreditNoteAttachmentsRequest($xero_tenant_id, $credit_note_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -27845,9 +27845,9 @@ public function getCreditNoteAttachmentsWithHttpInfo($xero_tenant_id$credit_note
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getCreditNoteAttachmentsAsync($xero_tenant_id$credit_note_id)
+    public function getCreditNoteAttachmentsAsync($xero_tenant_id, $credit_note_id)
     {
-        return $this->getCreditNoteAttachmentsAsyncWithHttpInfo($xero_tenant_id$credit_note_id)
+        return $this->getCreditNoteAttachmentsAsyncWithHttpInfo($xero_tenant_id, $credit_note_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -27861,10 +27861,10 @@ function ($response) {
      * @param  string $credit_note_id Unique identifier for a Credit Note (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getCreditNoteAttachmentsAsyncWithHttpInfo($xero_tenant_id$credit_note_id)
+    public function getCreditNoteAttachmentsAsyncWithHttpInfo($xero_tenant_id, $credit_note_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->getCreditNoteAttachmentsRequest($xero_tenant_id$credit_note_id);
+        $request = $this->getCreditNoteAttachmentsRequest($xero_tenant_id, $credit_note_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -27904,7 +27904,7 @@ function ($exception) {
      * @param  string $credit_note_id Unique identifier for a Credit Note (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getCreditNoteAttachmentsRequest($xero_tenant_id$credit_note_id)
+    protected function getCreditNoteAttachmentsRequest($xero_tenant_id, $credit_note_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -28005,9 +28005,9 @@ protected function getCreditNoteAttachmentsRequest($xero_tenant_id$credit_note_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getCreditNoteHistory($xero_tenant_id$credit_note_id)
+    public function getCreditNoteHistory($xero_tenant_id, $credit_note_id)
     {
-        list($response) = $this->getCreditNoteHistoryWithHttpInfo($xero_tenant_id$credit_note_id);
+        list($response) = $this->getCreditNoteHistoryWithHttpInfo($xero_tenant_id, $credit_note_id);
         return $response;
     }
     /**
@@ -28019,9 +28019,9 @@ public function getCreditNoteHistory($xero_tenant_id$credit_note_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getCreditNoteHistoryWithHttpInfo($xero_tenant_id$credit_note_id)
+    public function getCreditNoteHistoryWithHttpInfo($xero_tenant_id, $credit_note_id)
     {
-        $request = $this->getCreditNoteHistoryRequest($xero_tenant_id$credit_note_id);
+        $request = $this->getCreditNoteHistoryRequest($xero_tenant_id, $credit_note_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -28095,9 +28095,9 @@ public function getCreditNoteHistoryWithHttpInfo($xero_tenant_id$credit_note_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getCreditNoteHistoryAsync($xero_tenant_id$credit_note_id)
+    public function getCreditNoteHistoryAsync($xero_tenant_id, $credit_note_id)
     {
-        return $this->getCreditNoteHistoryAsyncWithHttpInfo($xero_tenant_id$credit_note_id)
+        return $this->getCreditNoteHistoryAsyncWithHttpInfo($xero_tenant_id, $credit_note_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -28111,10 +28111,10 @@ function ($response) {
      * @param  string $credit_note_id Unique identifier for a Credit Note (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getCreditNoteHistoryAsyncWithHttpInfo($xero_tenant_id$credit_note_id)
+    public function getCreditNoteHistoryAsyncWithHttpInfo($xero_tenant_id, $credit_note_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getCreditNoteHistoryRequest($xero_tenant_id$credit_note_id);
+        $request = $this->getCreditNoteHistoryRequest($xero_tenant_id, $credit_note_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -28154,7 +28154,7 @@ function ($exception) {
      * @param  string $credit_note_id Unique identifier for a Credit Note (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getCreditNoteHistoryRequest($xero_tenant_id$credit_note_id)
+    protected function getCreditNoteHistoryRequest($xero_tenant_id, $credit_note_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -28259,9 +28259,9 @@ protected function getCreditNoteHistoryRequest($xero_tenant_id$credit_note_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\CreditNotes
      */
-    public function getCreditNotes($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
+    public function getCreditNotes($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
     {
-        list($response) = $this->getCreditNotesWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page$unitdp);
+        list($response) = $this->getCreditNotesWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp);
         return $response;
     }
     /**
@@ -28277,9 +28277,9 @@ public function getCreditNotes($xero_tenant_id$if_modified_since = null$where =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\CreditNotes, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getCreditNotesWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
+    public function getCreditNotesWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
     {
-        $request = $this->getCreditNotesRequest($xero_tenant_id$if_modified_since$where$order$page$unitdp);
+        $request = $this->getCreditNotesRequest($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -28357,9 +28357,9 @@ public function getCreditNotesWithHttpInfo($xero_tenant_id$if_modified_since = n
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getCreditNotesAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
+    public function getCreditNotesAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
     {
-        return $this->getCreditNotesAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page$unitdp)
+        return $this->getCreditNotesAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -28377,10 +28377,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getCreditNotesAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
+    public function getCreditNotesAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\CreditNotes';
-        $request = $this->getCreditNotesRequest($xero_tenant_id$if_modified_since$where$order$page$unitdp);
+        $request = $this->getCreditNotesRequest($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -28424,7 +28424,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getCreditNotesRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
+    protected function getCreditNotesRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -28532,9 +28532,9 @@ protected function getCreditNotesRequest($xero_tenant_id$if_modified_since = nul
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Currencies
      */
-    public function getCurrencies($xero_tenant_id$where = null$order = null)
+    public function getCurrencies($xero_tenant_id, $where = null, $order = null)
     {
-        list($response) = $this->getCurrenciesWithHttpInfo($xero_tenant_id$where$order);
+        list($response) = $this->getCurrenciesWithHttpInfo($xero_tenant_id, $where, $order);
         return $response;
     }
     /**
@@ -28547,9 +28547,9 @@ public function getCurrencies($xero_tenant_id$where = null$order = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Currencies, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getCurrenciesWithHttpInfo($xero_tenant_id$where = null$order = null)
+    public function getCurrenciesWithHttpInfo($xero_tenant_id, $where = null, $order = null)
     {
-        $request = $this->getCurrenciesRequest($xero_tenant_id$where$order);
+        $request = $this->getCurrenciesRequest($xero_tenant_id, $where, $order);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -28624,9 +28624,9 @@ public function getCurrenciesWithHttpInfo($xero_tenant_id$where = null$order = n
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getCurrenciesAsync($xero_tenant_id$where = null$order = null)
+    public function getCurrenciesAsync($xero_tenant_id, $where = null, $order = null)
     {
-        return $this->getCurrenciesAsyncWithHttpInfo($xero_tenant_id$where$order)
+        return $this->getCurrenciesAsyncWithHttpInfo($xero_tenant_id, $where, $order)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -28641,10 +28641,10 @@ function ($response) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getCurrenciesAsyncWithHttpInfo($xero_tenant_id$where = null$order = null)
+    public function getCurrenciesAsyncWithHttpInfo($xero_tenant_id, $where = null, $order = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Currencies';
-        $request = $this->getCurrenciesRequest($xero_tenant_id$where$order);
+        $request = $this->getCurrenciesRequest($xero_tenant_id, $where, $order);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -28685,7 +28685,7 @@ function ($exception) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getCurrenciesRequest($xero_tenant_id$where = null$order = null)
+    protected function getCurrenciesRequest($xero_tenant_id, $where = null, $order = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -28780,9 +28780,9 @@ protected function getCurrenciesRequest($xero_tenant_id$where = null$order = nul
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Employees
      */
-    public function getEmployee($xero_tenant_id$employee_id)
+    public function getEmployee($xero_tenant_id, $employee_id)
     {
-        list($response) = $this->getEmployeeWithHttpInfo($xero_tenant_id$employee_id);
+        list($response) = $this->getEmployeeWithHttpInfo($xero_tenant_id, $employee_id);
         return $response;
     }
     /**
@@ -28794,9 +28794,9 @@ public function getEmployee($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Employees, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeWithHttpInfo($xero_tenant_id, $employee_id)
     {
-        $request = $this->getEmployeeRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeRequest($xero_tenant_id, $employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -28870,9 +28870,9 @@ public function getEmployeeWithHttpInfo($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeAsync($xero_tenant_id$employee_id)
+    public function getEmployeeAsync($xero_tenant_id, $employee_id)
     {
-        return $this->getEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id)
+        return $this->getEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -28886,10 +28886,10 @@ function ($response) {
      * @param  string $employee_id Unique identifier for a Employee (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Employees';
-        $request = $this->getEmployeeRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeRequest($xero_tenant_id, $employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -28929,7 +28929,7 @@ function ($exception) {
      * @param  string $employee_id Unique identifier for a Employee (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeRequest($xero_tenant_id$employee_id)
+    protected function getEmployeeRequest($xero_tenant_id, $employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -29032,9 +29032,9 @@ protected function getEmployeeRequest($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Employees
      */
-    public function getEmployees($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    public function getEmployees($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
-        list($response) = $this->getEmployeesWithHttpInfo($xero_tenant_id$if_modified_since$where$order);
+        list($response) = $this->getEmployeesWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order);
         return $response;
     }
     /**
@@ -29048,9 +29048,9 @@ public function getEmployees($xero_tenant_id$if_modified_since = null$where = nu
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Employees, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeesWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    public function getEmployeesWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
-        $request = $this->getEmployeesRequest($xero_tenant_id$if_modified_since$where$order);
+        $request = $this->getEmployeesRequest($xero_tenant_id, $if_modified_since, $where, $order);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -29126,9 +29126,9 @@ public function getEmployeesWithHttpInfo($xero_tenant_id$if_modified_since = nul
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeesAsync($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    public function getEmployeesAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
-        return $this->getEmployeesAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order)
+        return $this->getEmployeesAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -29144,10 +29144,10 @@ function ($response) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeesAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    public function getEmployeesAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Employees';
-        $request = $this->getEmployeesRequest($xero_tenant_id$if_modified_since$where$order);
+        $request = $this->getEmployeesRequest($xero_tenant_id, $if_modified_since, $where, $order);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -29189,7 +29189,7 @@ function ($exception) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeesRequest($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    protected function getEmployeesRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -29288,9 +29288,9 @@ protected function getEmployeesRequest($xero_tenant_id$if_modified_since = null$
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims
      */
-    public function getExpenseClaim($xero_tenant_id$expense_claim_id)
+    public function getExpenseClaim($xero_tenant_id, $expense_claim_id)
     {
-        list($response) = $this->getExpenseClaimWithHttpInfo($xero_tenant_id$expense_claim_id);
+        list($response) = $this->getExpenseClaimWithHttpInfo($xero_tenant_id, $expense_claim_id);
         return $response;
     }
     /**
@@ -29302,9 +29302,9 @@ public function getExpenseClaim($xero_tenant_id$expense_claim_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getExpenseClaimWithHttpInfo($xero_tenant_id$expense_claim_id)
+    public function getExpenseClaimWithHttpInfo($xero_tenant_id, $expense_claim_id)
     {
-        $request = $this->getExpenseClaimRequest($xero_tenant_id$expense_claim_id);
+        $request = $this->getExpenseClaimRequest($xero_tenant_id, $expense_claim_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -29378,9 +29378,9 @@ public function getExpenseClaimWithHttpInfo($xero_tenant_id$expense_claim_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getExpenseClaimAsync($xero_tenant_id$expense_claim_id)
+    public function getExpenseClaimAsync($xero_tenant_id, $expense_claim_id)
     {
-        return $this->getExpenseClaimAsyncWithHttpInfo($xero_tenant_id$expense_claim_id)
+        return $this->getExpenseClaimAsyncWithHttpInfo($xero_tenant_id, $expense_claim_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -29394,10 +29394,10 @@ function ($response) {
      * @param  string $expense_claim_id Unique identifier for a ExpenseClaim (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getExpenseClaimAsyncWithHttpInfo($xero_tenant_id$expense_claim_id)
+    public function getExpenseClaimAsyncWithHttpInfo($xero_tenant_id, $expense_claim_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims';
-        $request = $this->getExpenseClaimRequest($xero_tenant_id$expense_claim_id);
+        $request = $this->getExpenseClaimRequest($xero_tenant_id, $expense_claim_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -29437,7 +29437,7 @@ function ($exception) {
      * @param  string $expense_claim_id Unique identifier for a ExpenseClaim (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getExpenseClaimRequest($xero_tenant_id$expense_claim_id)
+    protected function getExpenseClaimRequest($xero_tenant_id, $expense_claim_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -29538,9 +29538,9 @@ protected function getExpenseClaimRequest($xero_tenant_id$expense_claim_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getExpenseClaimHistory($xero_tenant_id$expense_claim_id)
+    public function getExpenseClaimHistory($xero_tenant_id, $expense_claim_id)
     {
-        list($response) = $this->getExpenseClaimHistoryWithHttpInfo($xero_tenant_id$expense_claim_id);
+        list($response) = $this->getExpenseClaimHistoryWithHttpInfo($xero_tenant_id, $expense_claim_id);
         return $response;
     }
     /**
@@ -29552,9 +29552,9 @@ public function getExpenseClaimHistory($xero_tenant_id$expense_claim_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getExpenseClaimHistoryWithHttpInfo($xero_tenant_id$expense_claim_id)
+    public function getExpenseClaimHistoryWithHttpInfo($xero_tenant_id, $expense_claim_id)
     {
-        $request = $this->getExpenseClaimHistoryRequest($xero_tenant_id$expense_claim_id);
+        $request = $this->getExpenseClaimHistoryRequest($xero_tenant_id, $expense_claim_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -29628,9 +29628,9 @@ public function getExpenseClaimHistoryWithHttpInfo($xero_tenant_id$expense_claim
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getExpenseClaimHistoryAsync($xero_tenant_id$expense_claim_id)
+    public function getExpenseClaimHistoryAsync($xero_tenant_id, $expense_claim_id)
     {
-        return $this->getExpenseClaimHistoryAsyncWithHttpInfo($xero_tenant_id$expense_claim_id)
+        return $this->getExpenseClaimHistoryAsyncWithHttpInfo($xero_tenant_id, $expense_claim_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -29644,10 +29644,10 @@ function ($response) {
      * @param  string $expense_claim_id Unique identifier for a ExpenseClaim (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getExpenseClaimHistoryAsyncWithHttpInfo($xero_tenant_id$expense_claim_id)
+    public function getExpenseClaimHistoryAsyncWithHttpInfo($xero_tenant_id, $expense_claim_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getExpenseClaimHistoryRequest($xero_tenant_id$expense_claim_id);
+        $request = $this->getExpenseClaimHistoryRequest($xero_tenant_id, $expense_claim_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -29687,7 +29687,7 @@ function ($exception) {
      * @param  string $expense_claim_id Unique identifier for a ExpenseClaim (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getExpenseClaimHistoryRequest($xero_tenant_id$expense_claim_id)
+    protected function getExpenseClaimHistoryRequest($xero_tenant_id, $expense_claim_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -29790,9 +29790,9 @@ protected function getExpenseClaimHistoryRequest($xero_tenant_id$expense_claim_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims
      */
-    public function getExpenseClaims($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    public function getExpenseClaims($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
-        list($response) = $this->getExpenseClaimsWithHttpInfo($xero_tenant_id$if_modified_since$where$order);
+        list($response) = $this->getExpenseClaimsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order);
         return $response;
     }
     /**
@@ -29806,9 +29806,9 @@ public function getExpenseClaims($xero_tenant_id$if_modified_since = null$where
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getExpenseClaimsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    public function getExpenseClaimsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
-        $request = $this->getExpenseClaimsRequest($xero_tenant_id$if_modified_since$where$order);
+        $request = $this->getExpenseClaimsRequest($xero_tenant_id, $if_modified_since, $where, $order);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -29884,9 +29884,9 @@ public function getExpenseClaimsWithHttpInfo($xero_tenant_id$if_modified_since =
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getExpenseClaimsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    public function getExpenseClaimsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
-        return $this->getExpenseClaimsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order)
+        return $this->getExpenseClaimsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -29902,10 +29902,10 @@ function ($response) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getExpenseClaimsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    public function getExpenseClaimsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims';
-        $request = $this->getExpenseClaimsRequest($xero_tenant_id$if_modified_since$where$order);
+        $request = $this->getExpenseClaimsRequest($xero_tenant_id, $if_modified_since, $where, $order);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -29947,7 +29947,7 @@ function ($exception) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getExpenseClaimsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    protected function getExpenseClaimsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -30047,9 +30047,9 @@ protected function getExpenseClaimsRequest($xero_tenant_id$if_modified_since = n
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Invoices
      */
-    public function getInvoice($xero_tenant_id$invoice_id$unitdp = null)
+    public function getInvoice($xero_tenant_id, $invoice_id, $unitdp = null)
     {
-        list($response) = $this->getInvoiceWithHttpInfo($xero_tenant_id$invoice_id$unitdp);
+        list($response) = $this->getInvoiceWithHttpInfo($xero_tenant_id, $invoice_id, $unitdp);
         return $response;
     }
     /**
@@ -30062,9 +30062,9 @@ public function getInvoice($xero_tenant_id$invoice_id$unitdp = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Invoices, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getInvoiceWithHttpInfo($xero_tenant_id$invoice_id$unitdp = null)
+    public function getInvoiceWithHttpInfo($xero_tenant_id, $invoice_id, $unitdp = null)
     {
-        $request = $this->getInvoiceRequest($xero_tenant_id$invoice_id$unitdp);
+        $request = $this->getInvoiceRequest($xero_tenant_id, $invoice_id, $unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -30139,9 +30139,9 @@ public function getInvoiceWithHttpInfo($xero_tenant_id$invoice_id$unitdp = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getInvoiceAsync($xero_tenant_id$invoice_id$unitdp = null)
+    public function getInvoiceAsync($xero_tenant_id, $invoice_id, $unitdp = null)
     {
-        return $this->getInvoiceAsyncWithHttpInfo($xero_tenant_id$invoice_id$unitdp)
+        return $this->getInvoiceAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -30156,10 +30156,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getInvoiceAsyncWithHttpInfo($xero_tenant_id$invoice_id$unitdp = null)
+    public function getInvoiceAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Invoices';
-        $request = $this->getInvoiceRequest($xero_tenant_id$invoice_id$unitdp);
+        $request = $this->getInvoiceRequest($xero_tenant_id, $invoice_id, $unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -30200,7 +30200,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getInvoiceRequest($xero_tenant_id$invoice_id$unitdp = null)
+    protected function getInvoiceRequest($xero_tenant_id, $invoice_id, $unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -30305,9 +30305,9 @@ protected function getInvoiceRequest($xero_tenant_id$invoice_id$unitdp = null)
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getInvoiceAsPdf($xero_tenant_id$invoice_id)
+    public function getInvoiceAsPdf($xero_tenant_id, $invoice_id)
     {
-        list($response) = $this->getInvoiceAsPdfWithHttpInfo($xero_tenant_id$invoice_id);
+        list($response) = $this->getInvoiceAsPdfWithHttpInfo($xero_tenant_id, $invoice_id);
         return $response;
     }
     /**
@@ -30319,9 +30319,9 @@ public function getInvoiceAsPdf($xero_tenant_id$invoice_id)
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getInvoiceAsPdfWithHttpInfo($xero_tenant_id$invoice_id)
+    public function getInvoiceAsPdfWithHttpInfo($xero_tenant_id, $invoice_id)
     {
-        $request = $this->getInvoiceAsPdfRequest($xero_tenant_id$invoice_id);
+        $request = $this->getInvoiceAsPdfRequest($xero_tenant_id, $invoice_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -30395,9 +30395,9 @@ public function getInvoiceAsPdfWithHttpInfo($xero_tenant_id$invoice_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getInvoiceAsPdfAsync($xero_tenant_id$invoice_id)
+    public function getInvoiceAsPdfAsync($xero_tenant_id, $invoice_id)
     {
-        return $this->getInvoiceAsPdfAsyncWithHttpInfo($xero_tenant_id$invoice_id)
+        return $this->getInvoiceAsPdfAsyncWithHttpInfo($xero_tenant_id, $invoice_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -30411,10 +30411,10 @@ function ($response) {
      * @param  string $invoice_id Unique identifier for an Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getInvoiceAsPdfAsyncWithHttpInfo($xero_tenant_id$invoice_id)
+    public function getInvoiceAsPdfAsyncWithHttpInfo($xero_tenant_id, $invoice_id)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getInvoiceAsPdfRequest($xero_tenant_id$invoice_id);
+        $request = $this->getInvoiceAsPdfRequest($xero_tenant_id, $invoice_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -30454,7 +30454,7 @@ function ($exception) {
      * @param  string $invoice_id Unique identifier for an Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getInvoiceAsPdfRequest($xero_tenant_id$invoice_id)
+    protected function getInvoiceAsPdfRequest($xero_tenant_id, $invoice_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -30557,9 +30557,9 @@ protected function getInvoiceAsPdfRequest($xero_tenant_id$invoice_id)
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getInvoiceAttachmentByFileName($xero_tenant_id$invoice_id$file_name$content_type)
+    public function getInvoiceAttachmentByFileName($xero_tenant_id, $invoice_id, $file_name, $content_type)
     {
-        list($response) = $this->getInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id$invoice_id$file_name$content_type);
+        list($response) = $this->getInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id, $invoice_id, $file_name, $content_type);
         return $response;
     }
     /**
@@ -30573,9 +30573,9 @@ public function getInvoiceAttachmentByFileName($xero_tenant_id$invoice_id$file_n
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id$invoice_id$file_name$content_type)
+    public function getInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id, $invoice_id, $file_name, $content_type)
     {
-        $request = $this->getInvoiceAttachmentByFileNameRequest($xero_tenant_id$invoice_id$file_name$content_type);
+        $request = $this->getInvoiceAttachmentByFileNameRequest($xero_tenant_id, $invoice_id, $file_name, $content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -30651,9 +30651,9 @@ public function getInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id$invoi
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getInvoiceAttachmentByFileNameAsync($xero_tenant_id$invoice_id$file_name$content_type)
+    public function getInvoiceAttachmentByFileNameAsync($xero_tenant_id, $invoice_id, $file_name, $content_type)
     {
-        return $this->getInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$invoice_id$file_name$content_type)
+        return $this->getInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $file_name, $content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -30669,10 +30669,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$invoice_id$file_name$content_type)
+    public function getInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $file_name, $content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getInvoiceAttachmentByFileNameRequest($xero_tenant_id$invoice_id$file_name$content_type);
+        $request = $this->getInvoiceAttachmentByFileNameRequest($xero_tenant_id, $invoice_id, $file_name, $content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -30714,7 +30714,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getInvoiceAttachmentByFileNameRequest($xero_tenant_id$invoice_id$file_name$content_type)
+    protected function getInvoiceAttachmentByFileNameRequest($xero_tenant_id, $invoice_id, $file_name, $content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -30841,9 +30841,9 @@ protected function getInvoiceAttachmentByFileNameRequest($xero_tenant_id$invoice
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getInvoiceAttachmentById($xero_tenant_id$invoice_id$attachment_id$content_type)
+    public function getInvoiceAttachmentById($xero_tenant_id, $invoice_id, $attachment_id, $content_type)
     {
-        list($response) = $this->getInvoiceAttachmentByIdWithHttpInfo($xero_tenant_id$invoice_id$attachment_id$content_type);
+        list($response) = $this->getInvoiceAttachmentByIdWithHttpInfo($xero_tenant_id, $invoice_id, $attachment_id, $content_type);
         return $response;
     }
     /**
@@ -30857,9 +30857,9 @@ public function getInvoiceAttachmentById($xero_tenant_id$invoice_id$attachment_i
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getInvoiceAttachmentByIdWithHttpInfo($xero_tenant_id$invoice_id$attachment_id$content_type)
+    public function getInvoiceAttachmentByIdWithHttpInfo($xero_tenant_id, $invoice_id, $attachment_id, $content_type)
     {
-        $request = $this->getInvoiceAttachmentByIdRequest($xero_tenant_id$invoice_id$attachment_id$content_type);
+        $request = $this->getInvoiceAttachmentByIdRequest($xero_tenant_id, $invoice_id, $attachment_id, $content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -30935,9 +30935,9 @@ public function getInvoiceAttachmentByIdWithHttpInfo($xero_tenant_id$invoice_id$
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getInvoiceAttachmentByIdAsync($xero_tenant_id$invoice_id$attachment_id$content_type)
+    public function getInvoiceAttachmentByIdAsync($xero_tenant_id, $invoice_id, $attachment_id, $content_type)
     {
-        return $this->getInvoiceAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$invoice_id$attachment_id$content_type)
+        return $this->getInvoiceAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $attachment_id, $content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -30953,10 +30953,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getInvoiceAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$invoice_id$attachment_id$content_type)
+    public function getInvoiceAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $attachment_id, $content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getInvoiceAttachmentByIdRequest($xero_tenant_id$invoice_id$attachment_id$content_type);
+        $request = $this->getInvoiceAttachmentByIdRequest($xero_tenant_id, $invoice_id, $attachment_id, $content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -30998,7 +30998,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getInvoiceAttachmentByIdRequest($xero_tenant_id$invoice_id$attachment_id$content_type)
+    protected function getInvoiceAttachmentByIdRequest($xero_tenant_id, $invoice_id, $attachment_id, $content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -31123,9 +31123,9 @@ protected function getInvoiceAttachmentByIdRequest($xero_tenant_id$invoice_id$at
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments
      */
-    public function getInvoiceAttachments($xero_tenant_id$invoice_id)
+    public function getInvoiceAttachments($xero_tenant_id, $invoice_id)
     {
-        list($response) = $this->getInvoiceAttachmentsWithHttpInfo($xero_tenant_id$invoice_id);
+        list($response) = $this->getInvoiceAttachmentsWithHttpInfo($xero_tenant_id, $invoice_id);
         return $response;
     }
     /**
@@ -31137,9 +31137,9 @@ public function getInvoiceAttachments($xero_tenant_id$invoice_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getInvoiceAttachmentsWithHttpInfo($xero_tenant_id$invoice_id)
+    public function getInvoiceAttachmentsWithHttpInfo($xero_tenant_id, $invoice_id)
     {
-        $request = $this->getInvoiceAttachmentsRequest($xero_tenant_id$invoice_id);
+        $request = $this->getInvoiceAttachmentsRequest($xero_tenant_id, $invoice_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -31213,9 +31213,9 @@ public function getInvoiceAttachmentsWithHttpInfo($xero_tenant_id$invoice_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getInvoiceAttachmentsAsync($xero_tenant_id$invoice_id)
+    public function getInvoiceAttachmentsAsync($xero_tenant_id, $invoice_id)
     {
-        return $this->getInvoiceAttachmentsAsyncWithHttpInfo($xero_tenant_id$invoice_id)
+        return $this->getInvoiceAttachmentsAsyncWithHttpInfo($xero_tenant_id, $invoice_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -31229,10 +31229,10 @@ function ($response) {
      * @param  string $invoice_id Unique identifier for an Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getInvoiceAttachmentsAsyncWithHttpInfo($xero_tenant_id$invoice_id)
+    public function getInvoiceAttachmentsAsyncWithHttpInfo($xero_tenant_id, $invoice_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->getInvoiceAttachmentsRequest($xero_tenant_id$invoice_id);
+        $request = $this->getInvoiceAttachmentsRequest($xero_tenant_id, $invoice_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -31272,7 +31272,7 @@ function ($exception) {
      * @param  string $invoice_id Unique identifier for an Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getInvoiceAttachmentsRequest($xero_tenant_id$invoice_id)
+    protected function getInvoiceAttachmentsRequest($xero_tenant_id, $invoice_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -31373,9 +31373,9 @@ protected function getInvoiceAttachmentsRequest($xero_tenant_id$invoice_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getInvoiceHistory($xero_tenant_id$invoice_id)
+    public function getInvoiceHistory($xero_tenant_id, $invoice_id)
     {
-        list($response) = $this->getInvoiceHistoryWithHttpInfo($xero_tenant_id$invoice_id);
+        list($response) = $this->getInvoiceHistoryWithHttpInfo($xero_tenant_id, $invoice_id);
         return $response;
     }
     /**
@@ -31387,9 +31387,9 @@ public function getInvoiceHistory($xero_tenant_id$invoice_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getInvoiceHistoryWithHttpInfo($xero_tenant_id$invoice_id)
+    public function getInvoiceHistoryWithHttpInfo($xero_tenant_id, $invoice_id)
     {
-        $request = $this->getInvoiceHistoryRequest($xero_tenant_id$invoice_id);
+        $request = $this->getInvoiceHistoryRequest($xero_tenant_id, $invoice_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -31463,9 +31463,9 @@ public function getInvoiceHistoryWithHttpInfo($xero_tenant_id$invoice_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getInvoiceHistoryAsync($xero_tenant_id$invoice_id)
+    public function getInvoiceHistoryAsync($xero_tenant_id, $invoice_id)
     {
-        return $this->getInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id$invoice_id)
+        return $this->getInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id, $invoice_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -31479,10 +31479,10 @@ function ($response) {
      * @param  string $invoice_id Unique identifier for an Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id$invoice_id)
+    public function getInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id, $invoice_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getInvoiceHistoryRequest($xero_tenant_id$invoice_id);
+        $request = $this->getInvoiceHistoryRequest($xero_tenant_id, $invoice_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -31522,7 +31522,7 @@ function ($exception) {
      * @param  string $invoice_id Unique identifier for an Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getInvoiceHistoryRequest($xero_tenant_id$invoice_id)
+    protected function getInvoiceHistoryRequest($xero_tenant_id, $invoice_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -31852,9 +31852,9 @@ protected function getInvoiceRemindersRequest($xero_tenant_id)
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $ids Filter by a comma-separated list of InvoicesIDs. (optional)
+     * @param  string[] $i_ds Filter by a comma-separated list of InvoicesIDs. (optional)
      * @param  string[] $invoice_numbers Filter by a comma-separated list of InvoiceNumbers. (optional)
-     * @param  string[] $contact_ids Filter by a comma-separated list of ContactIDs. (optional)
+     * @param  string[] $contact_i_ds Filter by a comma-separated list of ContactIDs. (optional)
      * @param  string[] $statuses Filter by a comma-separated list Statuses. For faster response times we recommend using these explicit parameters instead of passing OR conditions into the Where filter. (optional)
      * @param  int $page e.g. page&#x3D;1 – Up to 100 invoices will be returned in a single API call with line items shown for each invoice (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Invoices with a status of ARCHIVED will be included in the response (optional)
@@ -31865,9 +31865,9 @@ protected function getInvoiceRemindersRequest($xero_tenant_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Invoices
      */
-    public function getInvoices($xero_tenant_id$if_modified_since = null$where = null$order = null$ids = null$invoice_numbers = null$contact_ids = null$statuses = null$page = null$include_archived = null$created_by_my_app = null$unitdp = null$summary_only = false)
+    public function getInvoices($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $invoice_numbers = null, $contact_i_ds = null, $statuses = null, $page = null, $include_archived = null, $created_by_my_app = null, $unitdp = null, $summary_only = false)
     {
-        list($response) = $this->getInvoicesWithHttpInfo($xero_tenant_id$if_modified_since$where$order$ids$invoice_numbers$contact_ids$statuses$page$include_archived$created_by_my_app$unitdp$summary_only);
+        list($response) = $this->getInvoicesWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $i_ds, $invoice_numbers, $contact_i_ds, $statuses, $page, $include_archived, $created_by_my_app, $unitdp, $summary_only);
         return $response;
     }
     /**
@@ -31877,9 +31877,9 @@ public function getInvoices($xero_tenant_id$if_modified_since = null$where = nul
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $ids Filter by a comma-separated list of InvoicesIDs. (optional)
+     * @param  string[] $i_ds Filter by a comma-separated list of InvoicesIDs. (optional)
      * @param  string[] $invoice_numbers Filter by a comma-separated list of InvoiceNumbers. (optional)
-     * @param  string[] $contact_ids Filter by a comma-separated list of ContactIDs. (optional)
+     * @param  string[] $contact_i_ds Filter by a comma-separated list of ContactIDs. (optional)
      * @param  string[] $statuses Filter by a comma-separated list Statuses. For faster response times we recommend using these explicit parameters instead of passing OR conditions into the Where filter. (optional)
      * @param  int $page e.g. page&#x3D;1 – Up to 100 invoices will be returned in a single API call with line items shown for each invoice (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Invoices with a status of ARCHIVED will be included in the response (optional)
@@ -31890,9 +31890,9 @@ public function getInvoices($xero_tenant_id$if_modified_since = null$where = nul
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Invoices, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getInvoicesWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$ids = null$invoice_numbers = null$contact_ids = null$statuses = null$page = null$include_archived = null$created_by_my_app = null$unitdp = null$summary_only = false)
+    public function getInvoicesWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $invoice_numbers = null, $contact_i_ds = null, $statuses = null, $page = null, $include_archived = null, $created_by_my_app = null, $unitdp = null, $summary_only = false)
     {
-        $request = $this->getInvoicesRequest($xero_tenant_id$if_modified_since$where$order$ids$invoice_numbers$contact_ids$statuses$page$include_archived$created_by_my_app$unitdp$summary_only);
+        $request = $this->getInvoicesRequest($xero_tenant_id, $if_modified_since, $where, $order, $i_ds, $invoice_numbers, $contact_i_ds, $statuses, $page, $include_archived, $created_by_my_app, $unitdp, $summary_only);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -31965,9 +31965,9 @@ public function getInvoicesWithHttpInfo($xero_tenant_id$if_modified_since = null
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $ids Filter by a comma-separated list of InvoicesIDs. (optional)
+     * @param  string[] $i_ds Filter by a comma-separated list of InvoicesIDs. (optional)
      * @param  string[] $invoice_numbers Filter by a comma-separated list of InvoiceNumbers. (optional)
-     * @param  string[] $contact_ids Filter by a comma-separated list of ContactIDs. (optional)
+     * @param  string[] $contact_i_ds Filter by a comma-separated list of ContactIDs. (optional)
      * @param  string[] $statuses Filter by a comma-separated list Statuses. For faster response times we recommend using these explicit parameters instead of passing OR conditions into the Where filter. (optional)
      * @param  int $page e.g. page&#x3D;1 – Up to 100 invoices will be returned in a single API call with line items shown for each invoice (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Invoices with a status of ARCHIVED will be included in the response (optional)
@@ -31977,9 +31977,9 @@ public function getInvoicesWithHttpInfo($xero_tenant_id$if_modified_since = null
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getInvoicesAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$ids = null$invoice_numbers = null$contact_ids = null$statuses = null$page = null$include_archived = null$created_by_my_app = null$unitdp = null$summary_only = false)
+    public function getInvoicesAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $invoice_numbers = null, $contact_i_ds = null, $statuses = null, $page = null, $include_archived = null, $created_by_my_app = null, $unitdp = null, $summary_only = false)
     {
-        return $this->getInvoicesAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$ids$invoice_numbers$contact_ids$statuses$page$include_archived$created_by_my_app$unitdp$summary_only)
+        return $this->getInvoicesAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $i_ds, $invoice_numbers, $contact_i_ds, $statuses, $page, $include_archived, $created_by_my_app, $unitdp, $summary_only)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -31993,9 +31993,9 @@ function ($response) {
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $ids Filter by a comma-separated list of InvoicesIDs. (optional)
+     * @param  string[] $i_ds Filter by a comma-separated list of InvoicesIDs. (optional)
      * @param  string[] $invoice_numbers Filter by a comma-separated list of InvoiceNumbers. (optional)
-     * @param  string[] $contact_ids Filter by a comma-separated list of ContactIDs. (optional)
+     * @param  string[] $contact_i_ds Filter by a comma-separated list of ContactIDs. (optional)
      * @param  string[] $statuses Filter by a comma-separated list Statuses. For faster response times we recommend using these explicit parameters instead of passing OR conditions into the Where filter. (optional)
      * @param  int $page e.g. page&#x3D;1 – Up to 100 invoices will be returned in a single API call with line items shown for each invoice (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Invoices with a status of ARCHIVED will be included in the response (optional)
@@ -32004,10 +32004,10 @@ function ($response) {
      * @param  bool $summary_only Use summaryOnly&#x3D;true in GET Contacts and Invoices endpoint to retrieve a smaller version of the response object. This returns only lightweight fields, excluding computation-heavy fields from the response, making the API calls quick and efficient. (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getInvoicesAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$ids = null$invoice_numbers = null$contact_ids = null$statuses = null$page = null$include_archived = null$created_by_my_app = null$unitdp = null$summary_only = false)
+    public function getInvoicesAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $invoice_numbers = null, $contact_i_ds = null, $statuses = null, $page = null, $include_archived = null, $created_by_my_app = null, $unitdp = null, $summary_only = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Invoices';
-        $request = $this->getInvoicesRequest($xero_tenant_id$if_modified_since$where$order$ids$invoice_numbers$contact_ids$statuses$page$include_archived$created_by_my_app$unitdp$summary_only);
+        $request = $this->getInvoicesRequest($xero_tenant_id, $if_modified_since, $where, $order, $i_ds, $invoice_numbers, $contact_i_ds, $statuses, $page, $include_archived, $created_by_my_app, $unitdp, $summary_only);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -32047,9 +32047,9 @@ function ($exception) {
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $ids Filter by a comma-separated list of InvoicesIDs. (optional)
+     * @param  string[] $i_ds Filter by a comma-separated list of InvoicesIDs. (optional)
      * @param  string[] $invoice_numbers Filter by a comma-separated list of InvoiceNumbers. (optional)
-     * @param  string[] $contact_ids Filter by a comma-separated list of ContactIDs. (optional)
+     * @param  string[] $contact_i_ds Filter by a comma-separated list of ContactIDs. (optional)
      * @param  string[] $statuses Filter by a comma-separated list Statuses. For faster response times we recommend using these explicit parameters instead of passing OR conditions into the Where filter. (optional)
      * @param  int $page e.g. page&#x3D;1 – Up to 100 invoices will be returned in a single API call with line items shown for each invoice (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Invoices with a status of ARCHIVED will be included in the response (optional)
@@ -32058,7 +32058,7 @@ function ($exception) {
      * @param  bool $summary_only Use summaryOnly&#x3D;true in GET Contacts and Invoices endpoint to retrieve a smaller version of the response object. This returns only lightweight fields, excluding computation-heavy fields from the response, making the API calls quick and efficient. (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getInvoicesRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$ids = null$invoice_numbers = null$contact_ids = null$statuses = null$page = null$include_archived = null$created_by_my_app = null$unitdp = null$summary_only = false)
+    protected function getInvoicesRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $invoice_numbers = null, $contact_i_ds = null, $statuses = null, $page = null, $include_archived = null, $created_by_my_app = null, $unitdp = null, $summary_only = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -32081,11 +32081,11 @@ protected function getInvoicesRequest($xero_tenant_id$if_modified_since = null$w
             $queryParams['order'] = AccountingObjectSerializer::toQueryValue($order);
         }
         // query params
-        if (is_array($ids)) {
-            $ids = AccountingObjectSerializer::serializeCollection($ids, 'csv', true);
+        if (is_array($i_ds)) {
+            $i_ds = AccountingObjectSerializer::serializeCollection($i_ds, 'csv', true);
         }
-        if ($ids !== null) {
-            $queryParams['IDs'] = AccountingObjectSerializer::toQueryValue($ids);
+        if ($i_ds !== null) {
+            $queryParams['IDs'] = AccountingObjectSerializer::toQueryValue($i_ds);
         }
         // query params
         if (is_array($invoice_numbers)) {
@@ -32095,11 +32095,11 @@ protected function getInvoicesRequest($xero_tenant_id$if_modified_since = null$w
             $queryParams['InvoiceNumbers'] = AccountingObjectSerializer::toQueryValue($invoice_numbers);
         }
         // query params
-        if (is_array($contact_ids)) {
-            $contact_ids = AccountingObjectSerializer::serializeCollection($contact_ids, 'csv', true);
+        if (is_array($contact_i_ds)) {
+            $contact_i_ds = AccountingObjectSerializer::serializeCollection($contact_i_ds, 'csv', true);
         }
-        if ($contact_ids !== null) {
-            $queryParams['ContactIDs'] = AccountingObjectSerializer::toQueryValue($contact_ids);
+        if ($contact_i_ds !== null) {
+            $queryParams['ContactIDs'] = AccountingObjectSerializer::toQueryValue($contact_i_ds);
         }
         // query params
         if (is_array($statuses)) {
@@ -32206,9 +32206,9 @@ protected function getInvoicesRequest($xero_tenant_id$if_modified_since = null$w
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Items
      */
-    public function getItem($xero_tenant_id$item_id$unitdp = null)
+    public function getItem($xero_tenant_id, $item_id, $unitdp = null)
     {
-        list($response) = $this->getItemWithHttpInfo($xero_tenant_id$item_id$unitdp);
+        list($response) = $this->getItemWithHttpInfo($xero_tenant_id, $item_id, $unitdp);
         return $response;
     }
     /**
@@ -32221,9 +32221,9 @@ public function getItem($xero_tenant_id$item_id$unitdp = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Items, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getItemWithHttpInfo($xero_tenant_id$item_id$unitdp = null)
+    public function getItemWithHttpInfo($xero_tenant_id, $item_id, $unitdp = null)
     {
-        $request = $this->getItemRequest($xero_tenant_id$item_id$unitdp);
+        $request = $this->getItemRequest($xero_tenant_id, $item_id, $unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -32298,9 +32298,9 @@ public function getItemWithHttpInfo($xero_tenant_id$item_id$unitdp = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getItemAsync($xero_tenant_id$item_id$unitdp = null)
+    public function getItemAsync($xero_tenant_id, $item_id, $unitdp = null)
     {
-        return $this->getItemAsyncWithHttpInfo($xero_tenant_id$item_id$unitdp)
+        return $this->getItemAsyncWithHttpInfo($xero_tenant_id, $item_id, $unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -32315,10 +32315,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getItemAsyncWithHttpInfo($xero_tenant_id$item_id$unitdp = null)
+    public function getItemAsyncWithHttpInfo($xero_tenant_id, $item_id, $unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Items';
-        $request = $this->getItemRequest($xero_tenant_id$item_id$unitdp);
+        $request = $this->getItemRequest($xero_tenant_id, $item_id, $unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -32359,7 +32359,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getItemRequest($xero_tenant_id$item_id$unitdp = null)
+    protected function getItemRequest($xero_tenant_id, $item_id, $unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -32464,9 +32464,9 @@ protected function getItemRequest($xero_tenant_id$item_id$unitdp = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getItemHistory($xero_tenant_id$item_id)
+    public function getItemHistory($xero_tenant_id, $item_id)
     {
-        list($response) = $this->getItemHistoryWithHttpInfo($xero_tenant_id$item_id);
+        list($response) = $this->getItemHistoryWithHttpInfo($xero_tenant_id, $item_id);
         return $response;
     }
     /**
@@ -32478,9 +32478,9 @@ public function getItemHistory($xero_tenant_id$item_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getItemHistoryWithHttpInfo($xero_tenant_id$item_id)
+    public function getItemHistoryWithHttpInfo($xero_tenant_id, $item_id)
     {
-        $request = $this->getItemHistoryRequest($xero_tenant_id$item_id);
+        $request = $this->getItemHistoryRequest($xero_tenant_id, $item_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -32554,9 +32554,9 @@ public function getItemHistoryWithHttpInfo($xero_tenant_id$item_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getItemHistoryAsync($xero_tenant_id$item_id)
+    public function getItemHistoryAsync($xero_tenant_id, $item_id)
     {
-        return $this->getItemHistoryAsyncWithHttpInfo($xero_tenant_id$item_id)
+        return $this->getItemHistoryAsyncWithHttpInfo($xero_tenant_id, $item_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -32570,10 +32570,10 @@ function ($response) {
      * @param  string $item_id Unique identifier for an Item (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getItemHistoryAsyncWithHttpInfo($xero_tenant_id$item_id)
+    public function getItemHistoryAsyncWithHttpInfo($xero_tenant_id, $item_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getItemHistoryRequest($xero_tenant_id$item_id);
+        $request = $this->getItemHistoryRequest($xero_tenant_id, $item_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -32613,7 +32613,7 @@ function ($exception) {
      * @param  string $item_id Unique identifier for an Item (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getItemHistoryRequest($xero_tenant_id$item_id)
+    protected function getItemHistoryRequest($xero_tenant_id, $item_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -32717,9 +32717,9 @@ protected function getItemHistoryRequest($xero_tenant_id$item_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Items
      */
-    public function getItems($xero_tenant_id$if_modified_since = null$where = null$order = null$unitdp = null)
+    public function getItems($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $unitdp = null)
     {
-        list($response) = $this->getItemsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$unitdp);
+        list($response) = $this->getItemsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $unitdp);
         return $response;
     }
     /**
@@ -32734,9 +32734,9 @@ public function getItems($xero_tenant_id$if_modified_since = null$where = null$o
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Items, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getItemsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$unitdp = null)
+    public function getItemsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $unitdp = null)
     {
-        $request = $this->getItemsRequest($xero_tenant_id$if_modified_since$where$order$unitdp);
+        $request = $this->getItemsRequest($xero_tenant_id, $if_modified_since, $where, $order, $unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -32813,9 +32813,9 @@ public function getItemsWithHttpInfo($xero_tenant_id$if_modified_since = null$wh
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getItemsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$unitdp = null)
+    public function getItemsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $unitdp = null)
     {
-        return $this->getItemsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$unitdp)
+        return $this->getItemsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -32832,10 +32832,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getItemsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$unitdp = null)
+    public function getItemsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Items';
-        $request = $this->getItemsRequest($xero_tenant_id$if_modified_since$where$order$unitdp);
+        $request = $this->getItemsRequest($xero_tenant_id, $if_modified_since, $where, $order, $unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -32878,7 +32878,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getItemsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$unitdp = null)
+    protected function getItemsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -32981,9 +32981,9 @@ protected function getItemsRequest($xero_tenant_id$if_modified_since = null$wher
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Journals
      */
-    public function getJournal($xero_tenant_id$journal_id)
+    public function getJournal($xero_tenant_id, $journal_id)
     {
-        list($response) = $this->getJournalWithHttpInfo($xero_tenant_id$journal_id);
+        list($response) = $this->getJournalWithHttpInfo($xero_tenant_id, $journal_id);
         return $response;
     }
     /**
@@ -32995,9 +32995,9 @@ public function getJournal($xero_tenant_id$journal_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Journals, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getJournalWithHttpInfo($xero_tenant_id$journal_id)
+    public function getJournalWithHttpInfo($xero_tenant_id, $journal_id)
     {
-        $request = $this->getJournalRequest($xero_tenant_id$journal_id);
+        $request = $this->getJournalRequest($xero_tenant_id, $journal_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -33071,9 +33071,9 @@ public function getJournalWithHttpInfo($xero_tenant_id$journal_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getJournalAsync($xero_tenant_id$journal_id)
+    public function getJournalAsync($xero_tenant_id, $journal_id)
     {
-        return $this->getJournalAsyncWithHttpInfo($xero_tenant_id$journal_id)
+        return $this->getJournalAsyncWithHttpInfo($xero_tenant_id, $journal_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -33087,10 +33087,10 @@ function ($response) {
      * @param  string $journal_id Unique identifier for a Journal (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getJournalAsyncWithHttpInfo($xero_tenant_id$journal_id)
+    public function getJournalAsyncWithHttpInfo($xero_tenant_id, $journal_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Journals';
-        $request = $this->getJournalRequest($xero_tenant_id$journal_id);
+        $request = $this->getJournalRequest($xero_tenant_id, $journal_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -33130,7 +33130,7 @@ function ($exception) {
      * @param  string $journal_id Unique identifier for a Journal (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getJournalRequest($xero_tenant_id$journal_id)
+    protected function getJournalRequest($xero_tenant_id, $journal_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -33233,9 +33233,9 @@ protected function getJournalRequest($xero_tenant_id$journal_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Journals
      */
-    public function getJournals($xero_tenant_id$if_modified_since = null$offset = null$payments_only = null)
+    public function getJournals($xero_tenant_id, $if_modified_since = null, $offset = null, $payments_only = null)
     {
-        list($response) = $this->getJournalsWithHttpInfo($xero_tenant_id$if_modified_since$offset$payments_only);
+        list($response) = $this->getJournalsWithHttpInfo($xero_tenant_id, $if_modified_since, $offset, $payments_only);
         return $response;
     }
     /**
@@ -33249,9 +33249,9 @@ public function getJournals($xero_tenant_id$if_modified_since = null$offset = nu
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Journals, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getJournalsWithHttpInfo($xero_tenant_id$if_modified_since = null$offset = null$payments_only = null)
+    public function getJournalsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $offset = null, $payments_only = null)
     {
-        $request = $this->getJournalsRequest($xero_tenant_id$if_modified_since$offset$payments_only);
+        $request = $this->getJournalsRequest($xero_tenant_id, $if_modified_since, $offset, $payments_only);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -33327,9 +33327,9 @@ public function getJournalsWithHttpInfo($xero_tenant_id$if_modified_since = null
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getJournalsAsync($xero_tenant_id$if_modified_since = null$offset = null$payments_only = null)
+    public function getJournalsAsync($xero_tenant_id, $if_modified_since = null, $offset = null, $payments_only = null)
     {
-        return $this->getJournalsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$offset$payments_only)
+        return $this->getJournalsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $offset, $payments_only)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -33345,10 +33345,10 @@ function ($response) {
      * @param  bool $payments_only Filter to retrieve journals on a cash basis. Journals are returned on an accrual basis by default. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getJournalsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$offset = null$payments_only = null)
+    public function getJournalsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $offset = null, $payments_only = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Journals';
-        $request = $this->getJournalsRequest($xero_tenant_id$if_modified_since$offset$payments_only);
+        $request = $this->getJournalsRequest($xero_tenant_id, $if_modified_since, $offset, $payments_only);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -33390,7 +33390,7 @@ function ($exception) {
      * @param  bool $payments_only Filter to retrieve journals on a cash basis. Journals are returned on an accrual basis by default. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getJournalsRequest($xero_tenant_id$if_modified_since = null$offset = null$payments_only = null)
+    protected function getJournalsRequest($xero_tenant_id, $if_modified_since = null, $offset = null, $payments_only = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -33489,9 +33489,9 @@ protected function getJournalsRequest($xero_tenant_id$if_modified_since = null$o
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions
      */
-    public function getLinkedTransaction($xero_tenant_id$linked_transaction_id)
+    public function getLinkedTransaction($xero_tenant_id, $linked_transaction_id)
     {
-        list($response) = $this->getLinkedTransactionWithHttpInfo($xero_tenant_id$linked_transaction_id);
+        list($response) = $this->getLinkedTransactionWithHttpInfo($xero_tenant_id, $linked_transaction_id);
         return $response;
     }
     /**
@@ -33503,9 +33503,9 @@ public function getLinkedTransaction($xero_tenant_id$linked_transaction_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getLinkedTransactionWithHttpInfo($xero_tenant_id$linked_transaction_id)
+    public function getLinkedTransactionWithHttpInfo($xero_tenant_id, $linked_transaction_id)
     {
-        $request = $this->getLinkedTransactionRequest($xero_tenant_id$linked_transaction_id);
+        $request = $this->getLinkedTransactionRequest($xero_tenant_id, $linked_transaction_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -33579,9 +33579,9 @@ public function getLinkedTransactionWithHttpInfo($xero_tenant_id$linked_transact
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getLinkedTransactionAsync($xero_tenant_id$linked_transaction_id)
+    public function getLinkedTransactionAsync($xero_tenant_id, $linked_transaction_id)
     {
-        return $this->getLinkedTransactionAsyncWithHttpInfo($xero_tenant_id$linked_transaction_id)
+        return $this->getLinkedTransactionAsyncWithHttpInfo($xero_tenant_id, $linked_transaction_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -33595,10 +33595,10 @@ function ($response) {
      * @param  string $linked_transaction_id Unique identifier for a LinkedTransaction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getLinkedTransactionAsyncWithHttpInfo($xero_tenant_id$linked_transaction_id)
+    public function getLinkedTransactionAsyncWithHttpInfo($xero_tenant_id, $linked_transaction_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions';
-        $request = $this->getLinkedTransactionRequest($xero_tenant_id$linked_transaction_id);
+        $request = $this->getLinkedTransactionRequest($xero_tenant_id, $linked_transaction_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -33638,7 +33638,7 @@ function ($exception) {
      * @param  string $linked_transaction_id Unique identifier for a LinkedTransaction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getLinkedTransactionRequest($xero_tenant_id$linked_transaction_id)
+    protected function getLinkedTransactionRequest($xero_tenant_id, $linked_transaction_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -33744,9 +33744,9 @@ protected function getLinkedTransactionRequest($xero_tenant_id$linked_transactio
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions
      */
-    public function getLinkedTransactions($xero_tenant_id$page = null$linked_transaction_id = null$source_transaction_id = null$contact_id = null$status = null$target_transaction_id = null)
+    public function getLinkedTransactions($xero_tenant_id, $page = null, $linked_transaction_id = null, $source_transaction_id = null, $contact_id = null, $status = null, $target_transaction_id = null)
     {
-        list($response) = $this->getLinkedTransactionsWithHttpInfo($xero_tenant_id$page$linked_transaction_id$source_transaction_id$contact_id$status$target_transaction_id);
+        list($response) = $this->getLinkedTransactionsWithHttpInfo($xero_tenant_id, $page, $linked_transaction_id, $source_transaction_id, $contact_id, $status, $target_transaction_id);
         return $response;
     }
     /**
@@ -33763,9 +33763,9 @@ public function getLinkedTransactions($xero_tenant_id$page = null$linked_transac
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getLinkedTransactionsWithHttpInfo($xero_tenant_id$page = null$linked_transaction_id = null$source_transaction_id = null$contact_id = null$status = null$target_transaction_id = null)
+    public function getLinkedTransactionsWithHttpInfo($xero_tenant_id, $page = null, $linked_transaction_id = null, $source_transaction_id = null, $contact_id = null, $status = null, $target_transaction_id = null)
     {
-        $request = $this->getLinkedTransactionsRequest($xero_tenant_id$page$linked_transaction_id$source_transaction_id$contact_id$status$target_transaction_id);
+        $request = $this->getLinkedTransactionsRequest($xero_tenant_id, $page, $linked_transaction_id, $source_transaction_id, $contact_id, $status, $target_transaction_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -33844,9 +33844,9 @@ public function getLinkedTransactionsWithHttpInfo($xero_tenant_id$page = null$li
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getLinkedTransactionsAsync($xero_tenant_id$page = null$linked_transaction_id = null$source_transaction_id = null$contact_id = null$status = null$target_transaction_id = null)
+    public function getLinkedTransactionsAsync($xero_tenant_id, $page = null, $linked_transaction_id = null, $source_transaction_id = null, $contact_id = null, $status = null, $target_transaction_id = null)
     {
-        return $this->getLinkedTransactionsAsyncWithHttpInfo($xero_tenant_id$page$linked_transaction_id$source_transaction_id$contact_id$status$target_transaction_id)
+        return $this->getLinkedTransactionsAsyncWithHttpInfo($xero_tenant_id, $page, $linked_transaction_id, $source_transaction_id, $contact_id, $status, $target_transaction_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -33865,10 +33865,10 @@ function ($response) {
      * @param  string $target_transaction_id Filter by the TargetTransactionID. Get all the linked transactions allocated to a particular ACCREC invoice (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getLinkedTransactionsAsyncWithHttpInfo($xero_tenant_id$page = null$linked_transaction_id = null$source_transaction_id = null$contact_id = null$status = null$target_transaction_id = null)
+    public function getLinkedTransactionsAsyncWithHttpInfo($xero_tenant_id, $page = null, $linked_transaction_id = null, $source_transaction_id = null, $contact_id = null, $status = null, $target_transaction_id = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions';
-        $request = $this->getLinkedTransactionsRequest($xero_tenant_id$page$linked_transaction_id$source_transaction_id$contact_id$status$target_transaction_id);
+        $request = $this->getLinkedTransactionsRequest($xero_tenant_id, $page, $linked_transaction_id, $source_transaction_id, $contact_id, $status, $target_transaction_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -33913,7 +33913,7 @@ function ($exception) {
      * @param  string $target_transaction_id Filter by the TargetTransactionID. Get all the linked transactions allocated to a particular ACCREC invoice (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getLinkedTransactionsRequest($xero_tenant_id$page = null$linked_transaction_id = null$source_transaction_id = null$contact_id = null$status = null$target_transaction_id = null)
+    protected function getLinkedTransactionsRequest($xero_tenant_id, $page = null, $linked_transaction_id = null, $source_transaction_id = null, $contact_id = null, $status = null, $target_transaction_id = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -34024,9 +34024,9 @@ protected function getLinkedTransactionsRequest($xero_tenant_id$page = null$link
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ManualJournals
      */
-    public function getManualJournal($xero_tenant_id$manual_journal_id)
+    public function getManualJournal($xero_tenant_id, $manual_journal_id)
     {
-        list($response) = $this->getManualJournalWithHttpInfo($xero_tenant_id$manual_journal_id);
+        list($response) = $this->getManualJournalWithHttpInfo($xero_tenant_id, $manual_journal_id);
         return $response;
     }
     /**
@@ -34038,9 +34038,9 @@ public function getManualJournal($xero_tenant_id$manual_journal_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ManualJournals, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getManualJournalWithHttpInfo($xero_tenant_id$manual_journal_id)
+    public function getManualJournalWithHttpInfo($xero_tenant_id, $manual_journal_id)
     {
-        $request = $this->getManualJournalRequest($xero_tenant_id$manual_journal_id);
+        $request = $this->getManualJournalRequest($xero_tenant_id, $manual_journal_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -34114,9 +34114,9 @@ public function getManualJournalWithHttpInfo($xero_tenant_id$manual_journal_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getManualJournalAsync($xero_tenant_id$manual_journal_id)
+    public function getManualJournalAsync($xero_tenant_id, $manual_journal_id)
     {
-        return $this->getManualJournalAsyncWithHttpInfo($xero_tenant_id$manual_journal_id)
+        return $this->getManualJournalAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -34130,10 +34130,10 @@ function ($response) {
      * @param  string $manual_journal_id Unique identifier for a ManualJournal (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getManualJournalAsyncWithHttpInfo($xero_tenant_id$manual_journal_id)
+    public function getManualJournalAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ManualJournals';
-        $request = $this->getManualJournalRequest($xero_tenant_id$manual_journal_id);
+        $request = $this->getManualJournalRequest($xero_tenant_id, $manual_journal_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -34173,7 +34173,7 @@ function ($exception) {
      * @param  string $manual_journal_id Unique identifier for a ManualJournal (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getManualJournalRequest($xero_tenant_id$manual_journal_id)
+    protected function getManualJournalRequest($xero_tenant_id, $manual_journal_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -34276,9 +34276,9 @@ protected function getManualJournalRequest($xero_tenant_id$manual_journal_id)
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getManualJournalAttachmentByFileName($xero_tenant_id$manual_journal_id$file_name$content_type)
+    public function getManualJournalAttachmentByFileName($xero_tenant_id, $manual_journal_id, $file_name, $content_type)
     {
-        list($response) = $this->getManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant_id$manual_journal_id$file_name$content_type);
+        list($response) = $this->getManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant_id, $manual_journal_id, $file_name, $content_type);
         return $response;
     }
     /**
@@ -34292,9 +34292,9 @@ public function getManualJournalAttachmentByFileName($xero_tenant_id$manual_jour
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant_id$manual_journal_id$file_name$content_type)
+    public function getManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant_id, $manual_journal_id, $file_name, $content_type)
     {
-        $request = $this->getManualJournalAttachmentByFileNameRequest($xero_tenant_id$manual_journal_id$file_name$content_type);
+        $request = $this->getManualJournalAttachmentByFileNameRequest($xero_tenant_id, $manual_journal_id, $file_name, $content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -34370,9 +34370,9 @@ public function getManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant_id
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getManualJournalAttachmentByFileNameAsync($xero_tenant_id$manual_journal_id$file_name$content_type)
+    public function getManualJournalAttachmentByFileNameAsync($xero_tenant_id, $manual_journal_id, $file_name, $content_type)
     {
-        return $this->getManualJournalAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$manual_journal_id$file_name$content_type)
+        return $this->getManualJournalAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id, $file_name, $content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -34388,10 +34388,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getManualJournalAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$manual_journal_id$file_name$content_type)
+    public function getManualJournalAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id, $file_name, $content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getManualJournalAttachmentByFileNameRequest($xero_tenant_id$manual_journal_id$file_name$content_type);
+        $request = $this->getManualJournalAttachmentByFileNameRequest($xero_tenant_id, $manual_journal_id, $file_name, $content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -34433,7 +34433,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getManualJournalAttachmentByFileNameRequest($xero_tenant_id$manual_journal_id$file_name$content_type)
+    protected function getManualJournalAttachmentByFileNameRequest($xero_tenant_id, $manual_journal_id, $file_name, $content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -34560,9 +34560,9 @@ protected function getManualJournalAttachmentByFileNameRequest($xero_tenant_id$m
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getManualJournalAttachmentById($xero_tenant_id$manual_journal_id$attachment_id$content_type)
+    public function getManualJournalAttachmentById($xero_tenant_id, $manual_journal_id, $attachment_id, $content_type)
     {
-        list($response) = $this->getManualJournalAttachmentByIdWithHttpInfo($xero_tenant_id$manual_journal_id$attachment_id$content_type);
+        list($response) = $this->getManualJournalAttachmentByIdWithHttpInfo($xero_tenant_id, $manual_journal_id, $attachment_id, $content_type);
         return $response;
     }
     /**
@@ -34576,9 +34576,9 @@ public function getManualJournalAttachmentById($xero_tenant_id$manual_journal_id
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getManualJournalAttachmentByIdWithHttpInfo($xero_tenant_id$manual_journal_id$attachment_id$content_type)
+    public function getManualJournalAttachmentByIdWithHttpInfo($xero_tenant_id, $manual_journal_id, $attachment_id, $content_type)
     {
-        $request = $this->getManualJournalAttachmentByIdRequest($xero_tenant_id$manual_journal_id$attachment_id$content_type);
+        $request = $this->getManualJournalAttachmentByIdRequest($xero_tenant_id, $manual_journal_id, $attachment_id, $content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -34654,9 +34654,9 @@ public function getManualJournalAttachmentByIdWithHttpInfo($xero_tenant_id$manua
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getManualJournalAttachmentByIdAsync($xero_tenant_id$manual_journal_id$attachment_id$content_type)
+    public function getManualJournalAttachmentByIdAsync($xero_tenant_id, $manual_journal_id, $attachment_id, $content_type)
     {
-        return $this->getManualJournalAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$manual_journal_id$attachment_id$content_type)
+        return $this->getManualJournalAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id, $attachment_id, $content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -34672,10 +34672,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getManualJournalAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$manual_journal_id$attachment_id$content_type)
+    public function getManualJournalAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id, $attachment_id, $content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getManualJournalAttachmentByIdRequest($xero_tenant_id$manual_journal_id$attachment_id$content_type);
+        $request = $this->getManualJournalAttachmentByIdRequest($xero_tenant_id, $manual_journal_id, $attachment_id, $content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -34717,7 +34717,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getManualJournalAttachmentByIdRequest($xero_tenant_id$manual_journal_id$attachment_id$content_type)
+    protected function getManualJournalAttachmentByIdRequest($xero_tenant_id, $manual_journal_id, $attachment_id, $content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -34842,9 +34842,9 @@ protected function getManualJournalAttachmentByIdRequest($xero_tenant_id$manual_
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments
      */
-    public function getManualJournalAttachments($xero_tenant_id$manual_journal_id)
+    public function getManualJournalAttachments($xero_tenant_id, $manual_journal_id)
     {
-        list($response) = $this->getManualJournalAttachmentsWithHttpInfo($xero_tenant_id$manual_journal_id);
+        list($response) = $this->getManualJournalAttachmentsWithHttpInfo($xero_tenant_id, $manual_journal_id);
         return $response;
     }
     /**
@@ -34856,9 +34856,9 @@ public function getManualJournalAttachments($xero_tenant_id$manual_journal_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getManualJournalAttachmentsWithHttpInfo($xero_tenant_id$manual_journal_id)
+    public function getManualJournalAttachmentsWithHttpInfo($xero_tenant_id, $manual_journal_id)
     {
-        $request = $this->getManualJournalAttachmentsRequest($xero_tenant_id$manual_journal_id);
+        $request = $this->getManualJournalAttachmentsRequest($xero_tenant_id, $manual_journal_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -34932,9 +34932,9 @@ public function getManualJournalAttachmentsWithHttpInfo($xero_tenant_id$manual_j
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getManualJournalAttachmentsAsync($xero_tenant_id$manual_journal_id)
+    public function getManualJournalAttachmentsAsync($xero_tenant_id, $manual_journal_id)
     {
-        return $this->getManualJournalAttachmentsAsyncWithHttpInfo($xero_tenant_id$manual_journal_id)
+        return $this->getManualJournalAttachmentsAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -34948,10 +34948,10 @@ function ($response) {
      * @param  string $manual_journal_id Unique identifier for a ManualJournal (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getManualJournalAttachmentsAsyncWithHttpInfo($xero_tenant_id$manual_journal_id)
+    public function getManualJournalAttachmentsAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->getManualJournalAttachmentsRequest($xero_tenant_id$manual_journal_id);
+        $request = $this->getManualJournalAttachmentsRequest($xero_tenant_id, $manual_journal_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -34991,7 +34991,7 @@ function ($exception) {
      * @param  string $manual_journal_id Unique identifier for a ManualJournal (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getManualJournalAttachmentsRequest($xero_tenant_id$manual_journal_id)
+    protected function getManualJournalAttachmentsRequest($xero_tenant_id, $manual_journal_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -35095,9 +35095,9 @@ protected function getManualJournalAttachmentsRequest($xero_tenant_id$manual_jou
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ManualJournals
      */
-    public function getManualJournals($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getManualJournals($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
-        list($response) = $this->getManualJournalsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page);
+        list($response) = $this->getManualJournalsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page);
         return $response;
     }
     /**
@@ -35112,9 +35112,9 @@ public function getManualJournals($xero_tenant_id$if_modified_since = null$where
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ManualJournals, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getManualJournalsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getManualJournalsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
-        $request = $this->getManualJournalsRequest($xero_tenant_id$if_modified_since$where$order$page);
+        $request = $this->getManualJournalsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -35191,9 +35191,9 @@ public function getManualJournalsWithHttpInfo($xero_tenant_id$if_modified_since
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getManualJournalsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getManualJournalsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
-        return $this->getManualJournalsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page)
+        return $this->getManualJournalsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -35210,10 +35210,10 @@ function ($response) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 manual journals will be returned in a single API call with line items shown for each overpayment (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getManualJournalsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getManualJournalsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ManualJournals';
-        $request = $this->getManualJournalsRequest($xero_tenant_id$if_modified_since$where$order$page);
+        $request = $this->getManualJournalsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -35256,7 +35256,7 @@ function ($exception) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 manual journals will be returned in a single API call with line items shown for each overpayment (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getManualJournalsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    protected function getManualJournalsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -35359,9 +35359,9 @@ protected function getManualJournalsRequest($xero_tenant_id$if_modified_since =
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getManualJournalsHistory($xero_tenant_id$manual_journal_id)
+    public function getManualJournalsHistory($xero_tenant_id, $manual_journal_id)
     {
-        list($response) = $this->getManualJournalsHistoryWithHttpInfo($xero_tenant_id$manual_journal_id);
+        list($response) = $this->getManualJournalsHistoryWithHttpInfo($xero_tenant_id, $manual_journal_id);
         return $response;
     }
     /**
@@ -35373,9 +35373,9 @@ public function getManualJournalsHistory($xero_tenant_id$manual_journal_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getManualJournalsHistoryWithHttpInfo($xero_tenant_id$manual_journal_id)
+    public function getManualJournalsHistoryWithHttpInfo($xero_tenant_id, $manual_journal_id)
     {
-        $request = $this->getManualJournalsHistoryRequest($xero_tenant_id$manual_journal_id);
+        $request = $this->getManualJournalsHistoryRequest($xero_tenant_id, $manual_journal_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -35449,9 +35449,9 @@ public function getManualJournalsHistoryWithHttpInfo($xero_tenant_id$manual_jour
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getManualJournalsHistoryAsync($xero_tenant_id$manual_journal_id)
+    public function getManualJournalsHistoryAsync($xero_tenant_id, $manual_journal_id)
     {
-        return $this->getManualJournalsHistoryAsyncWithHttpInfo($xero_tenant_id$manual_journal_id)
+        return $this->getManualJournalsHistoryAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -35465,10 +35465,10 @@ function ($response) {
      * @param  string $manual_journal_id Unique identifier for a ManualJournal (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getManualJournalsHistoryAsyncWithHttpInfo($xero_tenant_id$manual_journal_id)
+    public function getManualJournalsHistoryAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getManualJournalsHistoryRequest($xero_tenant_id$manual_journal_id);
+        $request = $this->getManualJournalsHistoryRequest($xero_tenant_id, $manual_journal_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -35508,7 +35508,7 @@ function ($exception) {
      * @param  string $manual_journal_id Unique identifier for a ManualJournal (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getManualJournalsHistoryRequest($xero_tenant_id$manual_journal_id)
+    protected function getManualJournalsHistoryRequest($xero_tenant_id, $manual_journal_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -35609,9 +35609,9 @@ protected function getManualJournalsHistoryRequest($xero_tenant_id$manual_journa
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\OnlineInvoices
      */
-    public function getOnlineInvoice($xero_tenant_id$invoice_id)
+    public function getOnlineInvoice($xero_tenant_id, $invoice_id)
     {
-        list($response) = $this->getOnlineInvoiceWithHttpInfo($xero_tenant_id$invoice_id);
+        list($response) = $this->getOnlineInvoiceWithHttpInfo($xero_tenant_id, $invoice_id);
         return $response;
     }
     /**
@@ -35623,9 +35623,9 @@ public function getOnlineInvoice($xero_tenant_id$invoice_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\OnlineInvoices, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getOnlineInvoiceWithHttpInfo($xero_tenant_id$invoice_id)
+    public function getOnlineInvoiceWithHttpInfo($xero_tenant_id, $invoice_id)
     {
-        $request = $this->getOnlineInvoiceRequest($xero_tenant_id$invoice_id);
+        $request = $this->getOnlineInvoiceRequest($xero_tenant_id, $invoice_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -35699,9 +35699,9 @@ public function getOnlineInvoiceWithHttpInfo($xero_tenant_id$invoice_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getOnlineInvoiceAsync($xero_tenant_id$invoice_id)
+    public function getOnlineInvoiceAsync($xero_tenant_id, $invoice_id)
     {
-        return $this->getOnlineInvoiceAsyncWithHttpInfo($xero_tenant_id$invoice_id)
+        return $this->getOnlineInvoiceAsyncWithHttpInfo($xero_tenant_id, $invoice_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -35715,10 +35715,10 @@ function ($response) {
      * @param  string $invoice_id Unique identifier for an Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getOnlineInvoiceAsyncWithHttpInfo($xero_tenant_id$invoice_id)
+    public function getOnlineInvoiceAsyncWithHttpInfo($xero_tenant_id, $invoice_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\OnlineInvoices';
-        $request = $this->getOnlineInvoiceRequest($xero_tenant_id$invoice_id);
+        $request = $this->getOnlineInvoiceRequest($xero_tenant_id, $invoice_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -35758,7 +35758,7 @@ function ($exception) {
      * @param  string $invoice_id Unique identifier for an Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getOnlineInvoiceRequest($xero_tenant_id$invoice_id)
+    protected function getOnlineInvoiceRequest($xero_tenant_id, $invoice_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -36090,9 +36090,9 @@ protected function getOrganisationActionsRequest($xero_tenant_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\CISOrgSettings
      */
-    public function getOrganisationCISSettings($xero_tenant_id$organisation_id)
+    public function getOrganisationCISSettings($xero_tenant_id, $organisation_id)
     {
-        list($response) = $this->getOrganisationCISSettingsWithHttpInfo($xero_tenant_id$organisation_id);
+        list($response) = $this->getOrganisationCISSettingsWithHttpInfo($xero_tenant_id, $organisation_id);
         return $response;
     }
     /**
@@ -36104,9 +36104,9 @@ public function getOrganisationCISSettings($xero_tenant_id$organisation_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\CISOrgSettings, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getOrganisationCISSettingsWithHttpInfo($xero_tenant_id$organisation_id)
+    public function getOrganisationCISSettingsWithHttpInfo($xero_tenant_id, $organisation_id)
     {
-        $request = $this->getOrganisationCISSettingsRequest($xero_tenant_id$organisation_id);
+        $request = $this->getOrganisationCISSettingsRequest($xero_tenant_id, $organisation_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -36180,9 +36180,9 @@ public function getOrganisationCISSettingsWithHttpInfo($xero_tenant_id$organisat
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getOrganisationCISSettingsAsync($xero_tenant_id$organisation_id)
+    public function getOrganisationCISSettingsAsync($xero_tenant_id, $organisation_id)
     {
-        return $this->getOrganisationCISSettingsAsyncWithHttpInfo($xero_tenant_id$organisation_id)
+        return $this->getOrganisationCISSettingsAsyncWithHttpInfo($xero_tenant_id, $organisation_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -36196,10 +36196,10 @@ function ($response) {
      * @param  string $organisation_id The unique Xero identifier for an organisation (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getOrganisationCISSettingsAsyncWithHttpInfo($xero_tenant_id$organisation_id)
+    public function getOrganisationCISSettingsAsyncWithHttpInfo($xero_tenant_id, $organisation_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\CISOrgSettings';
-        $request = $this->getOrganisationCISSettingsRequest($xero_tenant_id$organisation_id);
+        $request = $this->getOrganisationCISSettingsRequest($xero_tenant_id, $organisation_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -36239,7 +36239,7 @@ function ($exception) {
      * @param  string $organisation_id The unique Xero identifier for an organisation (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getOrganisationCISSettingsRequest($xero_tenant_id$organisation_id)
+    protected function getOrganisationCISSettingsRequest($xero_tenant_id, $organisation_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -36571,9 +36571,9 @@ protected function getOrganisationsRequest($xero_tenant_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Overpayments
      */
-    public function getOverpayment($xero_tenant_id$overpayment_id)
+    public function getOverpayment($xero_tenant_id, $overpayment_id)
     {
-        list($response) = $this->getOverpaymentWithHttpInfo($xero_tenant_id$overpayment_id);
+        list($response) = $this->getOverpaymentWithHttpInfo($xero_tenant_id, $overpayment_id);
         return $response;
     }
     /**
@@ -36585,9 +36585,9 @@ public function getOverpayment($xero_tenant_id$overpayment_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Overpayments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getOverpaymentWithHttpInfo($xero_tenant_id$overpayment_id)
+    public function getOverpaymentWithHttpInfo($xero_tenant_id, $overpayment_id)
     {
-        $request = $this->getOverpaymentRequest($xero_tenant_id$overpayment_id);
+        $request = $this->getOverpaymentRequest($xero_tenant_id, $overpayment_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -36661,9 +36661,9 @@ public function getOverpaymentWithHttpInfo($xero_tenant_id$overpayment_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getOverpaymentAsync($xero_tenant_id$overpayment_id)
+    public function getOverpaymentAsync($xero_tenant_id, $overpayment_id)
     {
-        return $this->getOverpaymentAsyncWithHttpInfo($xero_tenant_id$overpayment_id)
+        return $this->getOverpaymentAsyncWithHttpInfo($xero_tenant_id, $overpayment_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -36677,10 +36677,10 @@ function ($response) {
      * @param  string $overpayment_id Unique identifier for a Overpayment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getOverpaymentAsyncWithHttpInfo($xero_tenant_id$overpayment_id)
+    public function getOverpaymentAsyncWithHttpInfo($xero_tenant_id, $overpayment_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Overpayments';
-        $request = $this->getOverpaymentRequest($xero_tenant_id$overpayment_id);
+        $request = $this->getOverpaymentRequest($xero_tenant_id, $overpayment_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -36720,7 +36720,7 @@ function ($exception) {
      * @param  string $overpayment_id Unique identifier for a Overpayment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getOverpaymentRequest($xero_tenant_id$overpayment_id)
+    protected function getOverpaymentRequest($xero_tenant_id, $overpayment_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -36821,9 +36821,9 @@ protected function getOverpaymentRequest($xero_tenant_id$overpayment_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getOverpaymentHistory($xero_tenant_id$overpayment_id)
+    public function getOverpaymentHistory($xero_tenant_id, $overpayment_id)
     {
-        list($response) = $this->getOverpaymentHistoryWithHttpInfo($xero_tenant_id$overpayment_id);
+        list($response) = $this->getOverpaymentHistoryWithHttpInfo($xero_tenant_id, $overpayment_id);
         return $response;
     }
     /**
@@ -36835,9 +36835,9 @@ public function getOverpaymentHistory($xero_tenant_id$overpayment_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getOverpaymentHistoryWithHttpInfo($xero_tenant_id$overpayment_id)
+    public function getOverpaymentHistoryWithHttpInfo($xero_tenant_id, $overpayment_id)
     {
-        $request = $this->getOverpaymentHistoryRequest($xero_tenant_id$overpayment_id);
+        $request = $this->getOverpaymentHistoryRequest($xero_tenant_id, $overpayment_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -36911,9 +36911,9 @@ public function getOverpaymentHistoryWithHttpInfo($xero_tenant_id$overpayment_id
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getOverpaymentHistoryAsync($xero_tenant_id$overpayment_id)
+    public function getOverpaymentHistoryAsync($xero_tenant_id, $overpayment_id)
     {
-        return $this->getOverpaymentHistoryAsyncWithHttpInfo($xero_tenant_id$overpayment_id)
+        return $this->getOverpaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $overpayment_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -36927,10 +36927,10 @@ function ($response) {
      * @param  string $overpayment_id Unique identifier for a Overpayment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getOverpaymentHistoryAsyncWithHttpInfo($xero_tenant_id$overpayment_id)
+    public function getOverpaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $overpayment_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getOverpaymentHistoryRequest($xero_tenant_id$overpayment_id);
+        $request = $this->getOverpaymentHistoryRequest($xero_tenant_id, $overpayment_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -36970,7 +36970,7 @@ function ($exception) {
      * @param  string $overpayment_id Unique identifier for a Overpayment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getOverpaymentHistoryRequest($xero_tenant_id$overpayment_id)
+    protected function getOverpaymentHistoryRequest($xero_tenant_id, $overpayment_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -37075,9 +37075,9 @@ protected function getOverpaymentHistoryRequest($xero_tenant_id$overpayment_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Overpayments
      */
-    public function getOverpayments($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
+    public function getOverpayments($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
     {
-        list($response) = $this->getOverpaymentsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page$unitdp);
+        list($response) = $this->getOverpaymentsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp);
         return $response;
     }
     /**
@@ -37093,9 +37093,9 @@ public function getOverpayments($xero_tenant_id$if_modified_since = null$where =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Overpayments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getOverpaymentsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
+    public function getOverpaymentsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
     {
-        $request = $this->getOverpaymentsRequest($xero_tenant_id$if_modified_since$where$order$page$unitdp);
+        $request = $this->getOverpaymentsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -37173,9 +37173,9 @@ public function getOverpaymentsWithHttpInfo($xero_tenant_id$if_modified_since =
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getOverpaymentsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
+    public function getOverpaymentsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
     {
-        return $this->getOverpaymentsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page$unitdp)
+        return $this->getOverpaymentsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -37193,10 +37193,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getOverpaymentsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
+    public function getOverpaymentsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Overpayments';
-        $request = $this->getOverpaymentsRequest($xero_tenant_id$if_modified_since$where$order$page$unitdp);
+        $request = $this->getOverpaymentsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -37240,7 +37240,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getOverpaymentsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
+    protected function getOverpaymentsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -37347,9 +37347,9 @@ protected function getOverpaymentsRequest($xero_tenant_id$if_modified_since = nu
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Payments
      */
-    public function getPayment($xero_tenant_id$payment_id)
+    public function getPayment($xero_tenant_id, $payment_id)
     {
-        list($response) = $this->getPaymentWithHttpInfo($xero_tenant_id$payment_id);
+        list($response) = $this->getPaymentWithHttpInfo($xero_tenant_id, $payment_id);
         return $response;
     }
     /**
@@ -37361,9 +37361,9 @@ public function getPayment($xero_tenant_id$payment_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Payments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPaymentWithHttpInfo($xero_tenant_id$payment_id)
+    public function getPaymentWithHttpInfo($xero_tenant_id, $payment_id)
     {
-        $request = $this->getPaymentRequest($xero_tenant_id$payment_id);
+        $request = $this->getPaymentRequest($xero_tenant_id, $payment_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -37437,9 +37437,9 @@ public function getPaymentWithHttpInfo($xero_tenant_id$payment_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPaymentAsync($xero_tenant_id$payment_id)
+    public function getPaymentAsync($xero_tenant_id, $payment_id)
     {
-        return $this->getPaymentAsyncWithHttpInfo($xero_tenant_id$payment_id)
+        return $this->getPaymentAsyncWithHttpInfo($xero_tenant_id, $payment_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -37453,10 +37453,10 @@ function ($response) {
      * @param  string $payment_id Unique identifier for a Payment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPaymentAsyncWithHttpInfo($xero_tenant_id$payment_id)
+    public function getPaymentAsyncWithHttpInfo($xero_tenant_id, $payment_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Payments';
-        $request = $this->getPaymentRequest($xero_tenant_id$payment_id);
+        $request = $this->getPaymentRequest($xero_tenant_id, $payment_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -37496,7 +37496,7 @@ function ($exception) {
      * @param  string $payment_id Unique identifier for a Payment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPaymentRequest($xero_tenant_id$payment_id)
+    protected function getPaymentRequest($xero_tenant_id, $payment_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -37597,9 +37597,9 @@ protected function getPaymentRequest($xero_tenant_id$payment_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getPaymentHistory($xero_tenant_id$payment_id)
+    public function getPaymentHistory($xero_tenant_id, $payment_id)
     {
-        list($response) = $this->getPaymentHistoryWithHttpInfo($xero_tenant_id$payment_id);
+        list($response) = $this->getPaymentHistoryWithHttpInfo($xero_tenant_id, $payment_id);
         return $response;
     }
     /**
@@ -37611,9 +37611,9 @@ public function getPaymentHistory($xero_tenant_id$payment_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPaymentHistoryWithHttpInfo($xero_tenant_id$payment_id)
+    public function getPaymentHistoryWithHttpInfo($xero_tenant_id, $payment_id)
     {
-        $request = $this->getPaymentHistoryRequest($xero_tenant_id$payment_id);
+        $request = $this->getPaymentHistoryRequest($xero_tenant_id, $payment_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -37687,9 +37687,9 @@ public function getPaymentHistoryWithHttpInfo($xero_tenant_id$payment_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPaymentHistoryAsync($xero_tenant_id$payment_id)
+    public function getPaymentHistoryAsync($xero_tenant_id, $payment_id)
     {
-        return $this->getPaymentHistoryAsyncWithHttpInfo($xero_tenant_id$payment_id)
+        return $this->getPaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $payment_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -37703,10 +37703,10 @@ function ($response) {
      * @param  string $payment_id Unique identifier for a Payment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPaymentHistoryAsyncWithHttpInfo($xero_tenant_id$payment_id)
+    public function getPaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $payment_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getPaymentHistoryRequest($xero_tenant_id$payment_id);
+        $request = $this->getPaymentHistoryRequest($xero_tenant_id, $payment_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -37746,7 +37746,7 @@ function ($exception) {
      * @param  string $payment_id Unique identifier for a Payment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPaymentHistoryRequest($xero_tenant_id$payment_id)
+    protected function getPaymentHistoryRequest($xero_tenant_id, $payment_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -38081,9 +38081,9 @@ protected function getPaymentServicesRequest($xero_tenant_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Payments
      */
-    public function getPayments($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getPayments($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
-        list($response) = $this->getPaymentsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page);
+        list($response) = $this->getPaymentsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page);
         return $response;
     }
     /**
@@ -38098,9 +38098,9 @@ public function getPayments($xero_tenant_id$if_modified_since = null$where = nul
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Payments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPaymentsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getPaymentsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
-        $request = $this->getPaymentsRequest($xero_tenant_id$if_modified_since$where$order$page);
+        $request = $this->getPaymentsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -38177,9 +38177,9 @@ public function getPaymentsWithHttpInfo($xero_tenant_id$if_modified_since = null
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPaymentsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getPaymentsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
-        return $this->getPaymentsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page)
+        return $this->getPaymentsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -38196,10 +38196,10 @@ function ($response) {
      * @param  int $page Up to 100 payments will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPaymentsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getPaymentsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Payments';
-        $request = $this->getPaymentsRequest($xero_tenant_id$if_modified_since$where$order$page);
+        $request = $this->getPaymentsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -38242,7 +38242,7 @@ function ($exception) {
      * @param  int $page Up to 100 payments will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPaymentsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    protected function getPaymentsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -38345,9 +38345,9 @@ protected function getPaymentsRequest($xero_tenant_id$if_modified_since = null$w
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Prepayments
      */
-    public function getPrepayment($xero_tenant_id$prepayment_id)
+    public function getPrepayment($xero_tenant_id, $prepayment_id)
     {
-        list($response) = $this->getPrepaymentWithHttpInfo($xero_tenant_id$prepayment_id);
+        list($response) = $this->getPrepaymentWithHttpInfo($xero_tenant_id, $prepayment_id);
         return $response;
     }
     /**
@@ -38359,9 +38359,9 @@ public function getPrepayment($xero_tenant_id$prepayment_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Prepayments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPrepaymentWithHttpInfo($xero_tenant_id$prepayment_id)
+    public function getPrepaymentWithHttpInfo($xero_tenant_id, $prepayment_id)
     {
-        $request = $this->getPrepaymentRequest($xero_tenant_id$prepayment_id);
+        $request = $this->getPrepaymentRequest($xero_tenant_id, $prepayment_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -38435,9 +38435,9 @@ public function getPrepaymentWithHttpInfo($xero_tenant_id$prepayment_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPrepaymentAsync($xero_tenant_id$prepayment_id)
+    public function getPrepaymentAsync($xero_tenant_id, $prepayment_id)
     {
-        return $this->getPrepaymentAsyncWithHttpInfo($xero_tenant_id$prepayment_id)
+        return $this->getPrepaymentAsyncWithHttpInfo($xero_tenant_id, $prepayment_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -38451,10 +38451,10 @@ function ($response) {
      * @param  string $prepayment_id Unique identifier for a PrePayment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPrepaymentAsyncWithHttpInfo($xero_tenant_id$prepayment_id)
+    public function getPrepaymentAsyncWithHttpInfo($xero_tenant_id, $prepayment_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Prepayments';
-        $request = $this->getPrepaymentRequest($xero_tenant_id$prepayment_id);
+        $request = $this->getPrepaymentRequest($xero_tenant_id, $prepayment_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -38494,7 +38494,7 @@ function ($exception) {
      * @param  string $prepayment_id Unique identifier for a PrePayment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPrepaymentRequest($xero_tenant_id$prepayment_id)
+    protected function getPrepaymentRequest($xero_tenant_id, $prepayment_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -38595,9 +38595,9 @@ protected function getPrepaymentRequest($xero_tenant_id$prepayment_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getPrepaymentHistory($xero_tenant_id$prepayment_id)
+    public function getPrepaymentHistory($xero_tenant_id, $prepayment_id)
     {
-        list($response) = $this->getPrepaymentHistoryWithHttpInfo($xero_tenant_id$prepayment_id);
+        list($response) = $this->getPrepaymentHistoryWithHttpInfo($xero_tenant_id, $prepayment_id);
         return $response;
     }
     /**
@@ -38609,9 +38609,9 @@ public function getPrepaymentHistory($xero_tenant_id$prepayment_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPrepaymentHistoryWithHttpInfo($xero_tenant_id$prepayment_id)
+    public function getPrepaymentHistoryWithHttpInfo($xero_tenant_id, $prepayment_id)
     {
-        $request = $this->getPrepaymentHistoryRequest($xero_tenant_id$prepayment_id);
+        $request = $this->getPrepaymentHistoryRequest($xero_tenant_id, $prepayment_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -38685,9 +38685,9 @@ public function getPrepaymentHistoryWithHttpInfo($xero_tenant_id$prepayment_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPrepaymentHistoryAsync($xero_tenant_id$prepayment_id)
+    public function getPrepaymentHistoryAsync($xero_tenant_id, $prepayment_id)
     {
-        return $this->getPrepaymentHistoryAsyncWithHttpInfo($xero_tenant_id$prepayment_id)
+        return $this->getPrepaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $prepayment_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -38701,10 +38701,10 @@ function ($response) {
      * @param  string $prepayment_id Unique identifier for a PrePayment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPrepaymentHistoryAsyncWithHttpInfo($xero_tenant_id$prepayment_id)
+    public function getPrepaymentHistoryAsyncWithHttpInfo($xero_tenant_id, $prepayment_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getPrepaymentHistoryRequest($xero_tenant_id$prepayment_id);
+        $request = $this->getPrepaymentHistoryRequest($xero_tenant_id, $prepayment_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -38744,7 +38744,7 @@ function ($exception) {
      * @param  string $prepayment_id Unique identifier for a PrePayment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPrepaymentHistoryRequest($xero_tenant_id$prepayment_id)
+    protected function getPrepaymentHistoryRequest($xero_tenant_id, $prepayment_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -38849,9 +38849,9 @@ protected function getPrepaymentHistoryRequest($xero_tenant_id$prepayment_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Prepayments
      */
-    public function getPrepayments($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
+    public function getPrepayments($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
     {
-        list($response) = $this->getPrepaymentsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page$unitdp);
+        list($response) = $this->getPrepaymentsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp);
         return $response;
     }
     /**
@@ -38867,9 +38867,9 @@ public function getPrepayments($xero_tenant_id$if_modified_since = null$where =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Prepayments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPrepaymentsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
+    public function getPrepaymentsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
     {
-        $request = $this->getPrepaymentsRequest($xero_tenant_id$if_modified_since$where$order$page$unitdp);
+        $request = $this->getPrepaymentsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -38947,9 +38947,9 @@ public function getPrepaymentsWithHttpInfo($xero_tenant_id$if_modified_since = n
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPrepaymentsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
+    public function getPrepaymentsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
     {
-        return $this->getPrepaymentsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page$unitdp)
+        return $this->getPrepaymentsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -38967,10 +38967,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPrepaymentsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
+    public function getPrepaymentsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Prepayments';
-        $request = $this->getPrepaymentsRequest($xero_tenant_id$if_modified_since$where$order$page$unitdp);
+        $request = $this->getPrepaymentsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page, $unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -39014,7 +39014,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPrepaymentsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null$unitdp = null)
+    protected function getPrepaymentsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null, $unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -39121,9 +39121,9 @@ protected function getPrepaymentsRequest($xero_tenant_id$if_modified_since = nul
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders
      */
-    public function getPurchaseOrder($xero_tenant_id$purchase_order_id)
+    public function getPurchaseOrder($xero_tenant_id, $purchase_order_id)
     {
-        list($response) = $this->getPurchaseOrderWithHttpInfo($xero_tenant_id$purchase_order_id);
+        list($response) = $this->getPurchaseOrderWithHttpInfo($xero_tenant_id, $purchase_order_id);
         return $response;
     }
     /**
@@ -39135,9 +39135,9 @@ public function getPurchaseOrder($xero_tenant_id$purchase_order_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPurchaseOrderWithHttpInfo($xero_tenant_id$purchase_order_id)
+    public function getPurchaseOrderWithHttpInfo($xero_tenant_id, $purchase_order_id)
     {
-        $request = $this->getPurchaseOrderRequest($xero_tenant_id$purchase_order_id);
+        $request = $this->getPurchaseOrderRequest($xero_tenant_id, $purchase_order_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -39211,9 +39211,9 @@ public function getPurchaseOrderWithHttpInfo($xero_tenant_id$purchase_order_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPurchaseOrderAsync($xero_tenant_id$purchase_order_id)
+    public function getPurchaseOrderAsync($xero_tenant_id, $purchase_order_id)
     {
-        return $this->getPurchaseOrderAsyncWithHttpInfo($xero_tenant_id$purchase_order_id)
+        return $this->getPurchaseOrderAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -39227,10 +39227,10 @@ function ($response) {
      * @param  string $purchase_order_id Unique identifier for an Purchase Order (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPurchaseOrderAsyncWithHttpInfo($xero_tenant_id$purchase_order_id)
+    public function getPurchaseOrderAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders';
-        $request = $this->getPurchaseOrderRequest($xero_tenant_id$purchase_order_id);
+        $request = $this->getPurchaseOrderRequest($xero_tenant_id, $purchase_order_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -39270,7 +39270,7 @@ function ($exception) {
      * @param  string $purchase_order_id Unique identifier for an Purchase Order (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPurchaseOrderRequest($xero_tenant_id$purchase_order_id)
+    protected function getPurchaseOrderRequest($xero_tenant_id, $purchase_order_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -39371,9 +39371,9 @@ protected function getPurchaseOrderRequest($xero_tenant_id$purchase_order_id)
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getPurchaseOrderAsPdf($xero_tenant_id$purchase_order_id)
+    public function getPurchaseOrderAsPdf($xero_tenant_id, $purchase_order_id)
     {
-        list($response) = $this->getPurchaseOrderAsPdfWithHttpInfo($xero_tenant_id$purchase_order_id);
+        list($response) = $this->getPurchaseOrderAsPdfWithHttpInfo($xero_tenant_id, $purchase_order_id);
         return $response;
     }
     /**
@@ -39385,9 +39385,9 @@ public function getPurchaseOrderAsPdf($xero_tenant_id$purchase_order_id)
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPurchaseOrderAsPdfWithHttpInfo($xero_tenant_id$purchase_order_id)
+    public function getPurchaseOrderAsPdfWithHttpInfo($xero_tenant_id, $purchase_order_id)
     {
-        $request = $this->getPurchaseOrderAsPdfRequest($xero_tenant_id$purchase_order_id);
+        $request = $this->getPurchaseOrderAsPdfRequest($xero_tenant_id, $purchase_order_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -39461,9 +39461,9 @@ public function getPurchaseOrderAsPdfWithHttpInfo($xero_tenant_id$purchase_order
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPurchaseOrderAsPdfAsync($xero_tenant_id$purchase_order_id)
+    public function getPurchaseOrderAsPdfAsync($xero_tenant_id, $purchase_order_id)
     {
-        return $this->getPurchaseOrderAsPdfAsyncWithHttpInfo($xero_tenant_id$purchase_order_id)
+        return $this->getPurchaseOrderAsPdfAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -39477,10 +39477,10 @@ function ($response) {
      * @param  string $purchase_order_id Unique identifier for an Purchase Order (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPurchaseOrderAsPdfAsyncWithHttpInfo($xero_tenant_id$purchase_order_id)
+    public function getPurchaseOrderAsPdfAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getPurchaseOrderAsPdfRequest($xero_tenant_id$purchase_order_id);
+        $request = $this->getPurchaseOrderAsPdfRequest($xero_tenant_id, $purchase_order_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -39520,7 +39520,7 @@ function ($exception) {
      * @param  string $purchase_order_id Unique identifier for an Purchase Order (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPurchaseOrderAsPdfRequest($xero_tenant_id$purchase_order_id)
+    protected function getPurchaseOrderAsPdfRequest($xero_tenant_id, $purchase_order_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -39623,9 +39623,9 @@ protected function getPurchaseOrderAsPdfRequest($xero_tenant_id$purchase_order_i
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getPurchaseOrderAttachmentByFileName($xero_tenant_id$purchase_order_id$file_name$content_type)
+    public function getPurchaseOrderAttachmentByFileName($xero_tenant_id, $purchase_order_id, $file_name, $content_type)
     {
-        list($response) = $this->getPurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant_id$purchase_order_id$file_name$content_type);
+        list($response) = $this->getPurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant_id, $purchase_order_id, $file_name, $content_type);
         return $response;
     }
     /**
@@ -39639,9 +39639,9 @@ public function getPurchaseOrderAttachmentByFileName($xero_tenant_id$purchase_or
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant_id$purchase_order_id$file_name$content_type)
+    public function getPurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant_id, $purchase_order_id, $file_name, $content_type)
     {
-        $request = $this->getPurchaseOrderAttachmentByFileNameRequest($xero_tenant_id$purchase_order_id$file_name$content_type);
+        $request = $this->getPurchaseOrderAttachmentByFileNameRequest($xero_tenant_id, $purchase_order_id, $file_name, $content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -39717,9 +39717,9 @@ public function getPurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant_id
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPurchaseOrderAttachmentByFileNameAsync($xero_tenant_id$purchase_order_id$file_name$content_type)
+    public function getPurchaseOrderAttachmentByFileNameAsync($xero_tenant_id, $purchase_order_id, $file_name, $content_type)
     {
-        return $this->getPurchaseOrderAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$purchase_order_id$file_name$content_type)
+        return $this->getPurchaseOrderAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id, $file_name, $content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -39735,10 +39735,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPurchaseOrderAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$purchase_order_id$file_name$content_type)
+    public function getPurchaseOrderAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id, $file_name, $content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getPurchaseOrderAttachmentByFileNameRequest($xero_tenant_id$purchase_order_id$file_name$content_type);
+        $request = $this->getPurchaseOrderAttachmentByFileNameRequest($xero_tenant_id, $purchase_order_id, $file_name, $content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -39780,7 +39780,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPurchaseOrderAttachmentByFileNameRequest($xero_tenant_id$purchase_order_id$file_name$content_type)
+    protected function getPurchaseOrderAttachmentByFileNameRequest($xero_tenant_id, $purchase_order_id, $file_name, $content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -39907,9 +39907,9 @@ protected function getPurchaseOrderAttachmentByFileNameRequest($xero_tenant_id$p
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getPurchaseOrderAttachmentById($xero_tenant_id$purchase_order_id$attachment_id$content_type)
+    public function getPurchaseOrderAttachmentById($xero_tenant_id, $purchase_order_id, $attachment_id, $content_type)
     {
-        list($response) = $this->getPurchaseOrderAttachmentByIdWithHttpInfo($xero_tenant_id$purchase_order_id$attachment_id$content_type);
+        list($response) = $this->getPurchaseOrderAttachmentByIdWithHttpInfo($xero_tenant_id, $purchase_order_id, $attachment_id, $content_type);
         return $response;
     }
     /**
@@ -39923,9 +39923,9 @@ public function getPurchaseOrderAttachmentById($xero_tenant_id$purchase_order_id
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPurchaseOrderAttachmentByIdWithHttpInfo($xero_tenant_id$purchase_order_id$attachment_id$content_type)
+    public function getPurchaseOrderAttachmentByIdWithHttpInfo($xero_tenant_id, $purchase_order_id, $attachment_id, $content_type)
     {
-        $request = $this->getPurchaseOrderAttachmentByIdRequest($xero_tenant_id$purchase_order_id$attachment_id$content_type);
+        $request = $this->getPurchaseOrderAttachmentByIdRequest($xero_tenant_id, $purchase_order_id, $attachment_id, $content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -40001,9 +40001,9 @@ public function getPurchaseOrderAttachmentByIdWithHttpInfo($xero_tenant_id$purch
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPurchaseOrderAttachmentByIdAsync($xero_tenant_id$purchase_order_id$attachment_id$content_type)
+    public function getPurchaseOrderAttachmentByIdAsync($xero_tenant_id, $purchase_order_id, $attachment_id, $content_type)
     {
-        return $this->getPurchaseOrderAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$purchase_order_id$attachment_id$content_type)
+        return $this->getPurchaseOrderAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id, $attachment_id, $content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -40019,10 +40019,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPurchaseOrderAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$purchase_order_id$attachment_id$content_type)
+    public function getPurchaseOrderAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id, $attachment_id, $content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getPurchaseOrderAttachmentByIdRequest($xero_tenant_id$purchase_order_id$attachment_id$content_type);
+        $request = $this->getPurchaseOrderAttachmentByIdRequest($xero_tenant_id, $purchase_order_id, $attachment_id, $content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -40064,7 +40064,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPurchaseOrderAttachmentByIdRequest($xero_tenant_id$purchase_order_id$attachment_id$content_type)
+    protected function getPurchaseOrderAttachmentByIdRequest($xero_tenant_id, $purchase_order_id, $attachment_id, $content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -40189,9 +40189,9 @@ protected function getPurchaseOrderAttachmentByIdRequest($xero_tenant_id$purchas
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments
      */
-    public function getPurchaseOrderAttachments($xero_tenant_id$purchase_order_id)
+    public function getPurchaseOrderAttachments($xero_tenant_id, $purchase_order_id)
     {
-        list($response) = $this->getPurchaseOrderAttachmentsWithHttpInfo($xero_tenant_id$purchase_order_id);
+        list($response) = $this->getPurchaseOrderAttachmentsWithHttpInfo($xero_tenant_id, $purchase_order_id);
         return $response;
     }
     /**
@@ -40203,9 +40203,9 @@ public function getPurchaseOrderAttachments($xero_tenant_id$purchase_order_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPurchaseOrderAttachmentsWithHttpInfo($xero_tenant_id$purchase_order_id)
+    public function getPurchaseOrderAttachmentsWithHttpInfo($xero_tenant_id, $purchase_order_id)
     {
-        $request = $this->getPurchaseOrderAttachmentsRequest($xero_tenant_id$purchase_order_id);
+        $request = $this->getPurchaseOrderAttachmentsRequest($xero_tenant_id, $purchase_order_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -40279,9 +40279,9 @@ public function getPurchaseOrderAttachmentsWithHttpInfo($xero_tenant_id$purchase
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPurchaseOrderAttachmentsAsync($xero_tenant_id$purchase_order_id)
+    public function getPurchaseOrderAttachmentsAsync($xero_tenant_id, $purchase_order_id)
     {
-        return $this->getPurchaseOrderAttachmentsAsyncWithHttpInfo($xero_tenant_id$purchase_order_id)
+        return $this->getPurchaseOrderAttachmentsAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -40295,10 +40295,10 @@ function ($response) {
      * @param  string $purchase_order_id Unique identifier for an Purchase Order (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPurchaseOrderAttachmentsAsyncWithHttpInfo($xero_tenant_id$purchase_order_id)
+    public function getPurchaseOrderAttachmentsAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->getPurchaseOrderAttachmentsRequest($xero_tenant_id$purchase_order_id);
+        $request = $this->getPurchaseOrderAttachmentsRequest($xero_tenant_id, $purchase_order_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -40338,7 +40338,7 @@ function ($exception) {
      * @param  string $purchase_order_id Unique identifier for an Purchase Order (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPurchaseOrderAttachmentsRequest($xero_tenant_id$purchase_order_id)
+    protected function getPurchaseOrderAttachmentsRequest($xero_tenant_id, $purchase_order_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -40439,9 +40439,9 @@ protected function getPurchaseOrderAttachmentsRequest($xero_tenant_id$purchase_o
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders
      */
-    public function getPurchaseOrderByNumber($xero_tenant_id$purchase_order_number)
+    public function getPurchaseOrderByNumber($xero_tenant_id, $purchase_order_number)
     {
-        list($response) = $this->getPurchaseOrderByNumberWithHttpInfo($xero_tenant_id$purchase_order_number);
+        list($response) = $this->getPurchaseOrderByNumberWithHttpInfo($xero_tenant_id, $purchase_order_number);
         return $response;
     }
     /**
@@ -40453,9 +40453,9 @@ public function getPurchaseOrderByNumber($xero_tenant_id$purchase_order_number)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPurchaseOrderByNumberWithHttpInfo($xero_tenant_id$purchase_order_number)
+    public function getPurchaseOrderByNumberWithHttpInfo($xero_tenant_id, $purchase_order_number)
     {
-        $request = $this->getPurchaseOrderByNumberRequest($xero_tenant_id$purchase_order_number);
+        $request = $this->getPurchaseOrderByNumberRequest($xero_tenant_id, $purchase_order_number);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -40529,9 +40529,9 @@ public function getPurchaseOrderByNumberWithHttpInfo($xero_tenant_id$purchase_or
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPurchaseOrderByNumberAsync($xero_tenant_id$purchase_order_number)
+    public function getPurchaseOrderByNumberAsync($xero_tenant_id, $purchase_order_number)
     {
-        return $this->getPurchaseOrderByNumberAsyncWithHttpInfo($xero_tenant_id$purchase_order_number)
+        return $this->getPurchaseOrderByNumberAsyncWithHttpInfo($xero_tenant_id, $purchase_order_number)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -40545,10 +40545,10 @@ function ($response) {
      * @param  string $purchase_order_number Unique identifier for a PurchaseOrder (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPurchaseOrderByNumberAsyncWithHttpInfo($xero_tenant_id$purchase_order_number)
+    public function getPurchaseOrderByNumberAsyncWithHttpInfo($xero_tenant_id, $purchase_order_number)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders';
-        $request = $this->getPurchaseOrderByNumberRequest($xero_tenant_id$purchase_order_number);
+        $request = $this->getPurchaseOrderByNumberRequest($xero_tenant_id, $purchase_order_number);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -40588,7 +40588,7 @@ function ($exception) {
      * @param  string $purchase_order_number Unique identifier for a PurchaseOrder (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPurchaseOrderByNumberRequest($xero_tenant_id$purchase_order_number)
+    protected function getPurchaseOrderByNumberRequest($xero_tenant_id, $purchase_order_number)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -40689,9 +40689,9 @@ protected function getPurchaseOrderByNumberRequest($xero_tenant_id$purchase_orde
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getPurchaseOrderHistory($xero_tenant_id$purchase_order_id)
+    public function getPurchaseOrderHistory($xero_tenant_id, $purchase_order_id)
     {
-        list($response) = $this->getPurchaseOrderHistoryWithHttpInfo($xero_tenant_id$purchase_order_id);
+        list($response) = $this->getPurchaseOrderHistoryWithHttpInfo($xero_tenant_id, $purchase_order_id);
         return $response;
     }
     /**
@@ -40703,9 +40703,9 @@ public function getPurchaseOrderHistory($xero_tenant_id$purchase_order_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPurchaseOrderHistoryWithHttpInfo($xero_tenant_id$purchase_order_id)
+    public function getPurchaseOrderHistoryWithHttpInfo($xero_tenant_id, $purchase_order_id)
     {
-        $request = $this->getPurchaseOrderHistoryRequest($xero_tenant_id$purchase_order_id);
+        $request = $this->getPurchaseOrderHistoryRequest($xero_tenant_id, $purchase_order_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -40779,9 +40779,9 @@ public function getPurchaseOrderHistoryWithHttpInfo($xero_tenant_id$purchase_ord
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPurchaseOrderHistoryAsync($xero_tenant_id$purchase_order_id)
+    public function getPurchaseOrderHistoryAsync($xero_tenant_id, $purchase_order_id)
     {
-        return $this->getPurchaseOrderHistoryAsyncWithHttpInfo($xero_tenant_id$purchase_order_id)
+        return $this->getPurchaseOrderHistoryAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -40795,10 +40795,10 @@ function ($response) {
      * @param  string $purchase_order_id Unique identifier for an Purchase Order (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPurchaseOrderHistoryAsyncWithHttpInfo($xero_tenant_id$purchase_order_id)
+    public function getPurchaseOrderHistoryAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getPurchaseOrderHistoryRequest($xero_tenant_id$purchase_order_id);
+        $request = $this->getPurchaseOrderHistoryRequest($xero_tenant_id, $purchase_order_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -40838,7 +40838,7 @@ function ($exception) {
      * @param  string $purchase_order_id Unique identifier for an Purchase Order (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPurchaseOrderHistoryRequest($xero_tenant_id$purchase_order_id)
+    protected function getPurchaseOrderHistoryRequest($xero_tenant_id, $purchase_order_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -40944,9 +40944,9 @@ protected function getPurchaseOrderHistoryRequest($xero_tenant_id$purchase_order
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders
      */
-    public function getPurchaseOrders($xero_tenant_id$if_modified_since = null$status = null$date_from = null$date_to = null$order = null$page = null)
+    public function getPurchaseOrders($xero_tenant_id, $if_modified_since = null, $status = null, $date_from = null, $date_to = null, $order = null, $page = null)
     {
-        list($response) = $this->getPurchaseOrdersWithHttpInfo($xero_tenant_id$if_modified_since$status$date_from$date_to$order$page);
+        list($response) = $this->getPurchaseOrdersWithHttpInfo($xero_tenant_id, $if_modified_since, $status, $date_from, $date_to, $order, $page);
         return $response;
     }
     /**
@@ -40963,9 +40963,9 @@ public function getPurchaseOrders($xero_tenant_id$if_modified_since = null$statu
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPurchaseOrdersWithHttpInfo($xero_tenant_id$if_modified_since = null$status = null$date_from = null$date_to = null$order = null$page = null)
+    public function getPurchaseOrdersWithHttpInfo($xero_tenant_id, $if_modified_since = null, $status = null, $date_from = null, $date_to = null, $order = null, $page = null)
     {
-        $request = $this->getPurchaseOrdersRequest($xero_tenant_id$if_modified_since$status$date_from$date_to$order$page);
+        $request = $this->getPurchaseOrdersRequest($xero_tenant_id, $if_modified_since, $status, $date_from, $date_to, $order, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -41044,9 +41044,9 @@ public function getPurchaseOrdersWithHttpInfo($xero_tenant_id$if_modified_since
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPurchaseOrdersAsync($xero_tenant_id$if_modified_since = null$status = null$date_from = null$date_to = null$order = null$page = null)
+    public function getPurchaseOrdersAsync($xero_tenant_id, $if_modified_since = null, $status = null, $date_from = null, $date_to = null, $order = null, $page = null)
     {
-        return $this->getPurchaseOrdersAsyncWithHttpInfo($xero_tenant_id$if_modified_since$status$date_from$date_to$order$page)
+        return $this->getPurchaseOrdersAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $status, $date_from, $date_to, $order, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -41065,10 +41065,10 @@ function ($response) {
      * @param  int $page To specify a page, append the page parameter to the URL e.g. ?page&#x3D;1. If there are 100 records in the response you will need to check if there is any more data by fetching the next page e.g ?page&#x3D;2 and continuing this process until no more results are returned. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPurchaseOrdersAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$status = null$date_from = null$date_to = null$order = null$page = null)
+    public function getPurchaseOrdersAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $status = null, $date_from = null, $date_to = null, $order = null, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders';
-        $request = $this->getPurchaseOrdersRequest($xero_tenant_id$if_modified_since$status$date_from$date_to$order$page);
+        $request = $this->getPurchaseOrdersRequest($xero_tenant_id, $if_modified_since, $status, $date_from, $date_to, $order, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -41113,7 +41113,7 @@ function ($exception) {
      * @param  int $page To specify a page, append the page parameter to the URL e.g. ?page&#x3D;1. If there are 100 records in the response you will need to check if there is any more data by fetching the next page e.g ?page&#x3D;2 and continuing this process until no more results are returned. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPurchaseOrdersRequest($xero_tenant_id$if_modified_since = null$status = null$date_from = null$date_to = null$order = null$page = null)
+    protected function getPurchaseOrdersRequest($xero_tenant_id, $if_modified_since = null, $status = null, $date_from = null, $date_to = null, $order = null, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -41224,9 +41224,9 @@ protected function getPurchaseOrdersRequest($xero_tenant_id$if_modified_since =
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Quotes
      */
-    public function getQuote($xero_tenant_id$quote_id)
+    public function getQuote($xero_tenant_id, $quote_id)
     {
-        list($response) = $this->getQuoteWithHttpInfo($xero_tenant_id$quote_id);
+        list($response) = $this->getQuoteWithHttpInfo($xero_tenant_id, $quote_id);
         return $response;
     }
     /**
@@ -41238,9 +41238,9 @@ public function getQuote($xero_tenant_id$quote_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Quotes, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getQuoteWithHttpInfo($xero_tenant_id$quote_id)
+    public function getQuoteWithHttpInfo($xero_tenant_id, $quote_id)
     {
-        $request = $this->getQuoteRequest($xero_tenant_id$quote_id);
+        $request = $this->getQuoteRequest($xero_tenant_id, $quote_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -41314,9 +41314,9 @@ public function getQuoteWithHttpInfo($xero_tenant_id$quote_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getQuoteAsync($xero_tenant_id$quote_id)
+    public function getQuoteAsync($xero_tenant_id, $quote_id)
     {
-        return $this->getQuoteAsyncWithHttpInfo($xero_tenant_id$quote_id)
+        return $this->getQuoteAsyncWithHttpInfo($xero_tenant_id, $quote_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -41330,10 +41330,10 @@ function ($response) {
      * @param  string $quote_id Unique identifier for an Quote (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getQuoteAsyncWithHttpInfo($xero_tenant_id$quote_id)
+    public function getQuoteAsyncWithHttpInfo($xero_tenant_id, $quote_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Quotes';
-        $request = $this->getQuoteRequest($xero_tenant_id$quote_id);
+        $request = $this->getQuoteRequest($xero_tenant_id, $quote_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -41373,7 +41373,7 @@ function ($exception) {
      * @param  string $quote_id Unique identifier for an Quote (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getQuoteRequest($xero_tenant_id$quote_id)
+    protected function getQuoteRequest($xero_tenant_id, $quote_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -41474,9 +41474,9 @@ protected function getQuoteRequest($xero_tenant_id$quote_id)
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getQuoteAsPdf($xero_tenant_id$quote_id)
+    public function getQuoteAsPdf($xero_tenant_id, $quote_id)
     {
-        list($response) = $this->getQuoteAsPdfWithHttpInfo($xero_tenant_id$quote_id);
+        list($response) = $this->getQuoteAsPdfWithHttpInfo($xero_tenant_id, $quote_id);
         return $response;
     }
     /**
@@ -41488,9 +41488,9 @@ public function getQuoteAsPdf($xero_tenant_id$quote_id)
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getQuoteAsPdfWithHttpInfo($xero_tenant_id$quote_id)
+    public function getQuoteAsPdfWithHttpInfo($xero_tenant_id, $quote_id)
     {
-        $request = $this->getQuoteAsPdfRequest($xero_tenant_id$quote_id);
+        $request = $this->getQuoteAsPdfRequest($xero_tenant_id, $quote_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -41564,9 +41564,9 @@ public function getQuoteAsPdfWithHttpInfo($xero_tenant_id$quote_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getQuoteAsPdfAsync($xero_tenant_id$quote_id)
+    public function getQuoteAsPdfAsync($xero_tenant_id, $quote_id)
     {
-        return $this->getQuoteAsPdfAsyncWithHttpInfo($xero_tenant_id$quote_id)
+        return $this->getQuoteAsPdfAsyncWithHttpInfo($xero_tenant_id, $quote_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -41580,10 +41580,10 @@ function ($response) {
      * @param  string $quote_id Unique identifier for an Quote (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getQuoteAsPdfAsyncWithHttpInfo($xero_tenant_id$quote_id)
+    public function getQuoteAsPdfAsyncWithHttpInfo($xero_tenant_id, $quote_id)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getQuoteAsPdfRequest($xero_tenant_id$quote_id);
+        $request = $this->getQuoteAsPdfRequest($xero_tenant_id, $quote_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -41623,7 +41623,7 @@ function ($exception) {
      * @param  string $quote_id Unique identifier for an Quote (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getQuoteAsPdfRequest($xero_tenant_id$quote_id)
+    protected function getQuoteAsPdfRequest($xero_tenant_id, $quote_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -41726,9 +41726,9 @@ protected function getQuoteAsPdfRequest($xero_tenant_id$quote_id)
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getQuoteAttachmentByFileName($xero_tenant_id$quote_id$file_name$content_type)
+    public function getQuoteAttachmentByFileName($xero_tenant_id, $quote_id, $file_name, $content_type)
     {
-        list($response) = $this->getQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$quote_id$file_name$content_type);
+        list($response) = $this->getQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $quote_id, $file_name, $content_type);
         return $response;
     }
     /**
@@ -41742,9 +41742,9 @@ public function getQuoteAttachmentByFileName($xero_tenant_id$quote_id$file_name$
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$quote_id$file_name$content_type)
+    public function getQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $quote_id, $file_name, $content_type)
     {
-        $request = $this->getQuoteAttachmentByFileNameRequest($xero_tenant_id$quote_id$file_name$content_type);
+        $request = $this->getQuoteAttachmentByFileNameRequest($xero_tenant_id, $quote_id, $file_name, $content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -41820,9 +41820,9 @@ public function getQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$quote_i
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getQuoteAttachmentByFileNameAsync($xero_tenant_id$quote_id$file_name$content_type)
+    public function getQuoteAttachmentByFileNameAsync($xero_tenant_id, $quote_id, $file_name, $content_type)
     {
-        return $this->getQuoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$quote_id$file_name$content_type)
+        return $this->getQuoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $quote_id, $file_name, $content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -41838,10 +41838,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getQuoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$quote_id$file_name$content_type)
+    public function getQuoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $quote_id, $file_name, $content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getQuoteAttachmentByFileNameRequest($xero_tenant_id$quote_id$file_name$content_type);
+        $request = $this->getQuoteAttachmentByFileNameRequest($xero_tenant_id, $quote_id, $file_name, $content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -41883,7 +41883,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getQuoteAttachmentByFileNameRequest($xero_tenant_id$quote_id$file_name$content_type)
+    protected function getQuoteAttachmentByFileNameRequest($xero_tenant_id, $quote_id, $file_name, $content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -42010,9 +42010,9 @@ protected function getQuoteAttachmentByFileNameRequest($xero_tenant_id$quote_id$
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getQuoteAttachmentById($xero_tenant_id$quote_id$attachment_id$content_type)
+    public function getQuoteAttachmentById($xero_tenant_id, $quote_id, $attachment_id, $content_type)
     {
-        list($response) = $this->getQuoteAttachmentByIdWithHttpInfo($xero_tenant_id$quote_id$attachment_id$content_type);
+        list($response) = $this->getQuoteAttachmentByIdWithHttpInfo($xero_tenant_id, $quote_id, $attachment_id, $content_type);
         return $response;
     }
     /**
@@ -42026,9 +42026,9 @@ public function getQuoteAttachmentById($xero_tenant_id$quote_id$attachment_id$co
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getQuoteAttachmentByIdWithHttpInfo($xero_tenant_id$quote_id$attachment_id$content_type)
+    public function getQuoteAttachmentByIdWithHttpInfo($xero_tenant_id, $quote_id, $attachment_id, $content_type)
     {
-        $request = $this->getQuoteAttachmentByIdRequest($xero_tenant_id$quote_id$attachment_id$content_type);
+        $request = $this->getQuoteAttachmentByIdRequest($xero_tenant_id, $quote_id, $attachment_id, $content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -42104,9 +42104,9 @@ public function getQuoteAttachmentByIdWithHttpInfo($xero_tenant_id$quote_id$atta
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getQuoteAttachmentByIdAsync($xero_tenant_id$quote_id$attachment_id$content_type)
+    public function getQuoteAttachmentByIdAsync($xero_tenant_id, $quote_id, $attachment_id, $content_type)
     {
-        return $this->getQuoteAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$quote_id$attachment_id$content_type)
+        return $this->getQuoteAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $quote_id, $attachment_id, $content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -42122,10 +42122,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getQuoteAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$quote_id$attachment_id$content_type)
+    public function getQuoteAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $quote_id, $attachment_id, $content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getQuoteAttachmentByIdRequest($xero_tenant_id$quote_id$attachment_id$content_type);
+        $request = $this->getQuoteAttachmentByIdRequest($xero_tenant_id, $quote_id, $attachment_id, $content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -42167,7 +42167,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getQuoteAttachmentByIdRequest($xero_tenant_id$quote_id$attachment_id$content_type)
+    protected function getQuoteAttachmentByIdRequest($xero_tenant_id, $quote_id, $attachment_id, $content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -42292,9 +42292,9 @@ protected function getQuoteAttachmentByIdRequest($xero_tenant_id$quote_id$attach
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments
      */
-    public function getQuoteAttachments($xero_tenant_id$quote_id)
+    public function getQuoteAttachments($xero_tenant_id, $quote_id)
     {
-        list($response) = $this->getQuoteAttachmentsWithHttpInfo($xero_tenant_id$quote_id);
+        list($response) = $this->getQuoteAttachmentsWithHttpInfo($xero_tenant_id, $quote_id);
         return $response;
     }
     /**
@@ -42306,9 +42306,9 @@ public function getQuoteAttachments($xero_tenant_id$quote_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getQuoteAttachmentsWithHttpInfo($xero_tenant_id$quote_id)
+    public function getQuoteAttachmentsWithHttpInfo($xero_tenant_id, $quote_id)
     {
-        $request = $this->getQuoteAttachmentsRequest($xero_tenant_id$quote_id);
+        $request = $this->getQuoteAttachmentsRequest($xero_tenant_id, $quote_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -42382,9 +42382,9 @@ public function getQuoteAttachmentsWithHttpInfo($xero_tenant_id$quote_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getQuoteAttachmentsAsync($xero_tenant_id$quote_id)
+    public function getQuoteAttachmentsAsync($xero_tenant_id, $quote_id)
     {
-        return $this->getQuoteAttachmentsAsyncWithHttpInfo($xero_tenant_id$quote_id)
+        return $this->getQuoteAttachmentsAsyncWithHttpInfo($xero_tenant_id, $quote_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -42398,10 +42398,10 @@ function ($response) {
      * @param  string $quote_id Unique identifier for an Quote (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getQuoteAttachmentsAsyncWithHttpInfo($xero_tenant_id$quote_id)
+    public function getQuoteAttachmentsAsyncWithHttpInfo($xero_tenant_id, $quote_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->getQuoteAttachmentsRequest($xero_tenant_id$quote_id);
+        $request = $this->getQuoteAttachmentsRequest($xero_tenant_id, $quote_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -42441,7 +42441,7 @@ function ($exception) {
      * @param  string $quote_id Unique identifier for an Quote (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getQuoteAttachmentsRequest($xero_tenant_id$quote_id)
+    protected function getQuoteAttachmentsRequest($xero_tenant_id, $quote_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -42542,9 +42542,9 @@ protected function getQuoteAttachmentsRequest($xero_tenant_id$quote_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getQuoteHistory($xero_tenant_id$quote_id)
+    public function getQuoteHistory($xero_tenant_id, $quote_id)
     {
-        list($response) = $this->getQuoteHistoryWithHttpInfo($xero_tenant_id$quote_id);
+        list($response) = $this->getQuoteHistoryWithHttpInfo($xero_tenant_id, $quote_id);
         return $response;
     }
     /**
@@ -42556,9 +42556,9 @@ public function getQuoteHistory($xero_tenant_id$quote_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getQuoteHistoryWithHttpInfo($xero_tenant_id$quote_id)
+    public function getQuoteHistoryWithHttpInfo($xero_tenant_id, $quote_id)
     {
-        $request = $this->getQuoteHistoryRequest($xero_tenant_id$quote_id);
+        $request = $this->getQuoteHistoryRequest($xero_tenant_id, $quote_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -42632,9 +42632,9 @@ public function getQuoteHistoryWithHttpInfo($xero_tenant_id$quote_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getQuoteHistoryAsync($xero_tenant_id$quote_id)
+    public function getQuoteHistoryAsync($xero_tenant_id, $quote_id)
     {
-        return $this->getQuoteHistoryAsyncWithHttpInfo($xero_tenant_id$quote_id)
+        return $this->getQuoteHistoryAsyncWithHttpInfo($xero_tenant_id, $quote_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -42648,10 +42648,10 @@ function ($response) {
      * @param  string $quote_id Unique identifier for an Quote (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getQuoteHistoryAsyncWithHttpInfo($xero_tenant_id$quote_id)
+    public function getQuoteHistoryAsyncWithHttpInfo($xero_tenant_id, $quote_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getQuoteHistoryRequest($xero_tenant_id$quote_id);
+        $request = $this->getQuoteHistoryRequest($xero_tenant_id, $quote_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -42691,7 +42691,7 @@ function ($exception) {
      * @param  string $quote_id Unique identifier for an Quote (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getQuoteHistoryRequest($xero_tenant_id$quote_id)
+    protected function getQuoteHistoryRequest($xero_tenant_id, $quote_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -42801,9 +42801,9 @@ protected function getQuoteHistoryRequest($xero_tenant_id$quote_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Quotes
      */
-    public function getQuotes($xero_tenant_id$if_modified_since = null$date_from = null$date_to = null$expiry_date_from = null$expiry_date_to = null$contact_id = null$status = null$page = null$order = null$quote_number = null)
+    public function getQuotes($xero_tenant_id, $if_modified_since = null, $date_from = null, $date_to = null, $expiry_date_from = null, $expiry_date_to = null, $contact_id = null, $status = null, $page = null, $order = null, $quote_number = null)
     {
-        list($response) = $this->getQuotesWithHttpInfo($xero_tenant_id$if_modified_since$date_from$date_to$expiry_date_from$expiry_date_to$contact_id$status$page$order$quote_number);
+        list($response) = $this->getQuotesWithHttpInfo($xero_tenant_id, $if_modified_since, $date_from, $date_to, $expiry_date_from, $expiry_date_to, $contact_id, $status, $page, $order, $quote_number);
         return $response;
     }
     /**
@@ -42824,9 +42824,9 @@ public function getQuotes($xero_tenant_id$if_modified_since = null$date_from = n
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Quotes, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getQuotesWithHttpInfo($xero_tenant_id$if_modified_since = null$date_from = null$date_to = null$expiry_date_from = null$expiry_date_to = null$contact_id = null$status = null$page = null$order = null$quote_number = null)
+    public function getQuotesWithHttpInfo($xero_tenant_id, $if_modified_since = null, $date_from = null, $date_to = null, $expiry_date_from = null, $expiry_date_to = null, $contact_id = null, $status = null, $page = null, $order = null, $quote_number = null)
     {
-        $request = $this->getQuotesRequest($xero_tenant_id$if_modified_since$date_from$date_to$expiry_date_from$expiry_date_to$contact_id$status$page$order$quote_number);
+        $request = $this->getQuotesRequest($xero_tenant_id, $if_modified_since, $date_from, $date_to, $expiry_date_from, $expiry_date_to, $contact_id, $status, $page, $order, $quote_number);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -42909,9 +42909,9 @@ public function getQuotesWithHttpInfo($xero_tenant_id$if_modified_since = null$d
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getQuotesAsync($xero_tenant_id$if_modified_since = null$date_from = null$date_to = null$expiry_date_from = null$expiry_date_to = null$contact_id = null$status = null$page = null$order = null$quote_number = null)
+    public function getQuotesAsync($xero_tenant_id, $if_modified_since = null, $date_from = null, $date_to = null, $expiry_date_from = null, $expiry_date_to = null, $contact_id = null, $status = null, $page = null, $order = null, $quote_number = null)
     {
-        return $this->getQuotesAsyncWithHttpInfo($xero_tenant_id$if_modified_since$date_from$date_to$expiry_date_from$expiry_date_to$contact_id$status$page$order$quote_number)
+        return $this->getQuotesAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $date_from, $date_to, $expiry_date_from, $expiry_date_to, $contact_id, $status, $page, $order, $quote_number)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -42934,10 +42934,10 @@ function ($response) {
      * @param  string $quote_number Filter by quote number (e.g. GET https://.../Quotes?QuoteNumber&#x3D;QU-0001) (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getQuotesAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$date_from = null$date_to = null$expiry_date_from = null$expiry_date_to = null$contact_id = null$status = null$page = null$order = null$quote_number = null)
+    public function getQuotesAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $date_from = null, $date_to = null, $expiry_date_from = null, $expiry_date_to = null, $contact_id = null, $status = null, $page = null, $order = null, $quote_number = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Quotes';
-        $request = $this->getQuotesRequest($xero_tenant_id$if_modified_since$date_from$date_to$expiry_date_from$expiry_date_to$contact_id$status$page$order$quote_number);
+        $request = $this->getQuotesRequest($xero_tenant_id, $if_modified_since, $date_from, $date_to, $expiry_date_from, $expiry_date_to, $contact_id, $status, $page, $order, $quote_number);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -42986,7 +42986,7 @@ function ($exception) {
      * @param  string $quote_number Filter by quote number (e.g. GET https://.../Quotes?QuoteNumber&#x3D;QU-0001) (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getQuotesRequest($xero_tenant_id$if_modified_since = null$date_from = null$date_to = null$expiry_date_from = null$expiry_date_to = null$contact_id = null$status = null$page = null$order = null$quote_number = null)
+    protected function getQuotesRequest($xero_tenant_id, $if_modified_since = null, $date_from = null, $date_to = null, $expiry_date_from = null, $expiry_date_to = null, $contact_id = null, $status = null, $page = null, $order = null, $quote_number = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -43114,9 +43114,9 @@ protected function getQuotesRequest($xero_tenant_id$if_modified_since = null$dat
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Receipts
      */
-    public function getReceipt($xero_tenant_id$receipt_id$unitdp = null)
+    public function getReceipt($xero_tenant_id, $receipt_id, $unitdp = null)
     {
-        list($response) = $this->getReceiptWithHttpInfo($xero_tenant_id$receipt_id$unitdp);
+        list($response) = $this->getReceiptWithHttpInfo($xero_tenant_id, $receipt_id, $unitdp);
         return $response;
     }
     /**
@@ -43129,9 +43129,9 @@ public function getReceipt($xero_tenant_id$receipt_id$unitdp = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Receipts, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReceiptWithHttpInfo($xero_tenant_id$receipt_id$unitdp = null)
+    public function getReceiptWithHttpInfo($xero_tenant_id, $receipt_id, $unitdp = null)
     {
-        $request = $this->getReceiptRequest($xero_tenant_id$receipt_id$unitdp);
+        $request = $this->getReceiptRequest($xero_tenant_id, $receipt_id, $unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -43206,9 +43206,9 @@ public function getReceiptWithHttpInfo($xero_tenant_id$receipt_id$unitdp = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReceiptAsync($xero_tenant_id$receipt_id$unitdp = null)
+    public function getReceiptAsync($xero_tenant_id, $receipt_id, $unitdp = null)
     {
-        return $this->getReceiptAsyncWithHttpInfo($xero_tenant_id$receipt_id$unitdp)
+        return $this->getReceiptAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -43223,10 +43223,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReceiptAsyncWithHttpInfo($xero_tenant_id$receipt_id$unitdp = null)
+    public function getReceiptAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Receipts';
-        $request = $this->getReceiptRequest($xero_tenant_id$receipt_id$unitdp);
+        $request = $this->getReceiptRequest($xero_tenant_id, $receipt_id, $unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -43267,7 +43267,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReceiptRequest($xero_tenant_id$receipt_id$unitdp = null)
+    protected function getReceiptRequest($xero_tenant_id, $receipt_id, $unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -43374,9 +43374,9 @@ protected function getReceiptRequest($xero_tenant_id$receipt_id$unitdp = null)
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getReceiptAttachmentByFileName($xero_tenant_id$receipt_id$file_name$content_type)
+    public function getReceiptAttachmentByFileName($xero_tenant_id, $receipt_id, $file_name, $content_type)
     {
-        list($response) = $this->getReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id$receipt_id$file_name$content_type);
+        list($response) = $this->getReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id, $receipt_id, $file_name, $content_type);
         return $response;
     }
     /**
@@ -43390,9 +43390,9 @@ public function getReceiptAttachmentByFileName($xero_tenant_id$receipt_id$file_n
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id$receipt_id$file_name$content_type)
+    public function getReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id, $receipt_id, $file_name, $content_type)
     {
-        $request = $this->getReceiptAttachmentByFileNameRequest($xero_tenant_id$receipt_id$file_name$content_type);
+        $request = $this->getReceiptAttachmentByFileNameRequest($xero_tenant_id, $receipt_id, $file_name, $content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -43468,9 +43468,9 @@ public function getReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id$recei
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReceiptAttachmentByFileNameAsync($xero_tenant_id$receipt_id$file_name$content_type)
+    public function getReceiptAttachmentByFileNameAsync($xero_tenant_id, $receipt_id, $file_name, $content_type)
     {
-        return $this->getReceiptAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$receipt_id$file_name$content_type)
+        return $this->getReceiptAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $file_name, $content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -43486,10 +43486,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReceiptAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$receipt_id$file_name$content_type)
+    public function getReceiptAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $file_name, $content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getReceiptAttachmentByFileNameRequest($xero_tenant_id$receipt_id$file_name$content_type);
+        $request = $this->getReceiptAttachmentByFileNameRequest($xero_tenant_id, $receipt_id, $file_name, $content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -43531,7 +43531,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReceiptAttachmentByFileNameRequest($xero_tenant_id$receipt_id$file_name$content_type)
+    protected function getReceiptAttachmentByFileNameRequest($xero_tenant_id, $receipt_id, $file_name, $content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -43658,9 +43658,9 @@ protected function getReceiptAttachmentByFileNameRequest($xero_tenant_id$receipt
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getReceiptAttachmentById($xero_tenant_id$receipt_id$attachment_id$content_type)
+    public function getReceiptAttachmentById($xero_tenant_id, $receipt_id, $attachment_id, $content_type)
     {
-        list($response) = $this->getReceiptAttachmentByIdWithHttpInfo($xero_tenant_id$receipt_id$attachment_id$content_type);
+        list($response) = $this->getReceiptAttachmentByIdWithHttpInfo($xero_tenant_id, $receipt_id, $attachment_id, $content_type);
         return $response;
     }
     /**
@@ -43674,9 +43674,9 @@ public function getReceiptAttachmentById($xero_tenant_id$receipt_id$attachment_i
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReceiptAttachmentByIdWithHttpInfo($xero_tenant_id$receipt_id$attachment_id$content_type)
+    public function getReceiptAttachmentByIdWithHttpInfo($xero_tenant_id, $receipt_id, $attachment_id, $content_type)
     {
-        $request = $this->getReceiptAttachmentByIdRequest($xero_tenant_id$receipt_id$attachment_id$content_type);
+        $request = $this->getReceiptAttachmentByIdRequest($xero_tenant_id, $receipt_id, $attachment_id, $content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -43752,9 +43752,9 @@ public function getReceiptAttachmentByIdWithHttpInfo($xero_tenant_id$receipt_id$
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReceiptAttachmentByIdAsync($xero_tenant_id$receipt_id$attachment_id$content_type)
+    public function getReceiptAttachmentByIdAsync($xero_tenant_id, $receipt_id, $attachment_id, $content_type)
     {
-        return $this->getReceiptAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$receipt_id$attachment_id$content_type)
+        return $this->getReceiptAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $attachment_id, $content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -43770,10 +43770,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReceiptAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$receipt_id$attachment_id$content_type)
+    public function getReceiptAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $attachment_id, $content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getReceiptAttachmentByIdRequest($xero_tenant_id$receipt_id$attachment_id$content_type);
+        $request = $this->getReceiptAttachmentByIdRequest($xero_tenant_id, $receipt_id, $attachment_id, $content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -43815,7 +43815,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReceiptAttachmentByIdRequest($xero_tenant_id$receipt_id$attachment_id$content_type)
+    protected function getReceiptAttachmentByIdRequest($xero_tenant_id, $receipt_id, $attachment_id, $content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -43940,9 +43940,9 @@ protected function getReceiptAttachmentByIdRequest($xero_tenant_id$receipt_id$at
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments
      */
-    public function getReceiptAttachments($xero_tenant_id$receipt_id)
+    public function getReceiptAttachments($xero_tenant_id, $receipt_id)
     {
-        list($response) = $this->getReceiptAttachmentsWithHttpInfo($xero_tenant_id$receipt_id);
+        list($response) = $this->getReceiptAttachmentsWithHttpInfo($xero_tenant_id, $receipt_id);
         return $response;
     }
     /**
@@ -43954,9 +43954,9 @@ public function getReceiptAttachments($xero_tenant_id$receipt_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReceiptAttachmentsWithHttpInfo($xero_tenant_id$receipt_id)
+    public function getReceiptAttachmentsWithHttpInfo($xero_tenant_id, $receipt_id)
     {
-        $request = $this->getReceiptAttachmentsRequest($xero_tenant_id$receipt_id);
+        $request = $this->getReceiptAttachmentsRequest($xero_tenant_id, $receipt_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -44030,9 +44030,9 @@ public function getReceiptAttachmentsWithHttpInfo($xero_tenant_id$receipt_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReceiptAttachmentsAsync($xero_tenant_id$receipt_id)
+    public function getReceiptAttachmentsAsync($xero_tenant_id, $receipt_id)
     {
-        return $this->getReceiptAttachmentsAsyncWithHttpInfo($xero_tenant_id$receipt_id)
+        return $this->getReceiptAttachmentsAsyncWithHttpInfo($xero_tenant_id, $receipt_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -44046,10 +44046,10 @@ function ($response) {
      * @param  string $receipt_id Unique identifier for a Receipt (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReceiptAttachmentsAsyncWithHttpInfo($xero_tenant_id$receipt_id)
+    public function getReceiptAttachmentsAsyncWithHttpInfo($xero_tenant_id, $receipt_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->getReceiptAttachmentsRequest($xero_tenant_id$receipt_id);
+        $request = $this->getReceiptAttachmentsRequest($xero_tenant_id, $receipt_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -44089,7 +44089,7 @@ function ($exception) {
      * @param  string $receipt_id Unique identifier for a Receipt (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReceiptAttachmentsRequest($xero_tenant_id$receipt_id)
+    protected function getReceiptAttachmentsRequest($xero_tenant_id, $receipt_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -44190,9 +44190,9 @@ protected function getReceiptAttachmentsRequest($xero_tenant_id$receipt_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getReceiptHistory($xero_tenant_id$receipt_id)
+    public function getReceiptHistory($xero_tenant_id, $receipt_id)
     {
-        list($response) = $this->getReceiptHistoryWithHttpInfo($xero_tenant_id$receipt_id);
+        list($response) = $this->getReceiptHistoryWithHttpInfo($xero_tenant_id, $receipt_id);
         return $response;
     }
     /**
@@ -44204,9 +44204,9 @@ public function getReceiptHistory($xero_tenant_id$receipt_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReceiptHistoryWithHttpInfo($xero_tenant_id$receipt_id)
+    public function getReceiptHistoryWithHttpInfo($xero_tenant_id, $receipt_id)
     {
-        $request = $this->getReceiptHistoryRequest($xero_tenant_id$receipt_id);
+        $request = $this->getReceiptHistoryRequest($xero_tenant_id, $receipt_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -44280,9 +44280,9 @@ public function getReceiptHistoryWithHttpInfo($xero_tenant_id$receipt_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReceiptHistoryAsync($xero_tenant_id$receipt_id)
+    public function getReceiptHistoryAsync($xero_tenant_id, $receipt_id)
     {
-        return $this->getReceiptHistoryAsyncWithHttpInfo($xero_tenant_id$receipt_id)
+        return $this->getReceiptHistoryAsyncWithHttpInfo($xero_tenant_id, $receipt_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -44296,10 +44296,10 @@ function ($response) {
      * @param  string $receipt_id Unique identifier for a Receipt (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReceiptHistoryAsyncWithHttpInfo($xero_tenant_id$receipt_id)
+    public function getReceiptHistoryAsyncWithHttpInfo($xero_tenant_id, $receipt_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getReceiptHistoryRequest($xero_tenant_id$receipt_id);
+        $request = $this->getReceiptHistoryRequest($xero_tenant_id, $receipt_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -44339,7 +44339,7 @@ function ($exception) {
      * @param  string $receipt_id Unique identifier for a Receipt (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReceiptHistoryRequest($xero_tenant_id$receipt_id)
+    protected function getReceiptHistoryRequest($xero_tenant_id, $receipt_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -44443,9 +44443,9 @@ protected function getReceiptHistoryRequest($xero_tenant_id$receipt_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Receipts
      */
-    public function getReceipts($xero_tenant_id$if_modified_since = null$where = null$order = null$unitdp = null)
+    public function getReceipts($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $unitdp = null)
     {
-        list($response) = $this->getReceiptsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$unitdp);
+        list($response) = $this->getReceiptsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $unitdp);
         return $response;
     }
     /**
@@ -44460,9 +44460,9 @@ public function getReceipts($xero_tenant_id$if_modified_since = null$where = nul
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Receipts, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReceiptsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$unitdp = null)
+    public function getReceiptsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $unitdp = null)
     {
-        $request = $this->getReceiptsRequest($xero_tenant_id$if_modified_since$where$order$unitdp);
+        $request = $this->getReceiptsRequest($xero_tenant_id, $if_modified_since, $where, $order, $unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -44539,9 +44539,9 @@ public function getReceiptsWithHttpInfo($xero_tenant_id$if_modified_since = null
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReceiptsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$unitdp = null)
+    public function getReceiptsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $unitdp = null)
     {
-        return $this->getReceiptsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$unitdp)
+        return $this->getReceiptsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -44558,10 +44558,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReceiptsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$unitdp = null)
+    public function getReceiptsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Receipts';
-        $request = $this->getReceiptsRequest($xero_tenant_id$if_modified_since$where$order$unitdp);
+        $request = $this->getReceiptsRequest($xero_tenant_id, $if_modified_since, $where, $order, $unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -44604,7 +44604,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReceiptsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$unitdp = null)
+    protected function getReceiptsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -44707,9 +44707,9 @@ protected function getReceiptsRequest($xero_tenant_id$if_modified_since = null$w
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\RepeatingInvoices
      */
-    public function getRepeatingInvoice($xero_tenant_id$repeating_invoice_id)
+    public function getRepeatingInvoice($xero_tenant_id, $repeating_invoice_id)
     {
-        list($response) = $this->getRepeatingInvoiceWithHttpInfo($xero_tenant_id$repeating_invoice_id);
+        list($response) = $this->getRepeatingInvoiceWithHttpInfo($xero_tenant_id, $repeating_invoice_id);
         return $response;
     }
     /**
@@ -44721,9 +44721,9 @@ public function getRepeatingInvoice($xero_tenant_id$repeating_invoice_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\RepeatingInvoices, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getRepeatingInvoiceWithHttpInfo($xero_tenant_id$repeating_invoice_id)
+    public function getRepeatingInvoiceWithHttpInfo($xero_tenant_id, $repeating_invoice_id)
     {
-        $request = $this->getRepeatingInvoiceRequest($xero_tenant_id$repeating_invoice_id);
+        $request = $this->getRepeatingInvoiceRequest($xero_tenant_id, $repeating_invoice_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -44797,9 +44797,9 @@ public function getRepeatingInvoiceWithHttpInfo($xero_tenant_id$repeating_invoic
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getRepeatingInvoiceAsync($xero_tenant_id$repeating_invoice_id)
+    public function getRepeatingInvoiceAsync($xero_tenant_id, $repeating_invoice_id)
     {
-        return $this->getRepeatingInvoiceAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id)
+        return $this->getRepeatingInvoiceAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -44813,10 +44813,10 @@ function ($response) {
      * @param  string $repeating_invoice_id Unique identifier for a Repeating Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getRepeatingInvoiceAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id)
+    public function getRepeatingInvoiceAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\RepeatingInvoices';
-        $request = $this->getRepeatingInvoiceRequest($xero_tenant_id$repeating_invoice_id);
+        $request = $this->getRepeatingInvoiceRequest($xero_tenant_id, $repeating_invoice_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -44856,7 +44856,7 @@ function ($exception) {
      * @param  string $repeating_invoice_id Unique identifier for a Repeating Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getRepeatingInvoiceRequest($xero_tenant_id$repeating_invoice_id)
+    protected function getRepeatingInvoiceRequest($xero_tenant_id, $repeating_invoice_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -44959,9 +44959,9 @@ protected function getRepeatingInvoiceRequest($xero_tenant_id$repeating_invoice_
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getRepeatingInvoiceAttachmentByFileName($xero_tenant_id$repeating_invoice_id$file_name$content_type)
+    public function getRepeatingInvoiceAttachmentByFileName($xero_tenant_id, $repeating_invoice_id, $file_name, $content_type)
     {
-        list($response) = $this->getRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id$repeating_invoice_id$file_name$content_type);
+        list($response) = $this->getRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $file_name, $content_type);
         return $response;
     }
     /**
@@ -44975,9 +44975,9 @@ public function getRepeatingInvoiceAttachmentByFileName($xero_tenant_id$repeatin
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id$repeating_invoice_id$file_name$content_type)
+    public function getRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $file_name, $content_type)
     {
-        $request = $this->getRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id$repeating_invoice_id$file_name$content_type);
+        $request = $this->getRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id, $repeating_invoice_id, $file_name, $content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -45053,9 +45053,9 @@ public function getRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getRepeatingInvoiceAttachmentByFileNameAsync($xero_tenant_id$repeating_invoice_id$file_name$content_type)
+    public function getRepeatingInvoiceAttachmentByFileNameAsync($xero_tenant_id, $repeating_invoice_id, $file_name, $content_type)
     {
-        return $this->getRepeatingInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id$file_name$content_type)
+        return $this->getRepeatingInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $file_name, $content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -45071,10 +45071,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getRepeatingInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id$file_name$content_type)
+    public function getRepeatingInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $file_name, $content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id$repeating_invoice_id$file_name$content_type);
+        $request = $this->getRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id, $repeating_invoice_id, $file_name, $content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -45116,7 +45116,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id$repeating_invoice_id$file_name$content_type)
+    protected function getRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id, $repeating_invoice_id, $file_name, $content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -45243,9 +45243,9 @@ protected function getRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_i
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getRepeatingInvoiceAttachmentById($xero_tenant_id$repeating_invoice_id$attachment_id$content_type)
+    public function getRepeatingInvoiceAttachmentById($xero_tenant_id, $repeating_invoice_id, $attachment_id, $content_type)
     {
-        list($response) = $this->getRepeatingInvoiceAttachmentByIdWithHttpInfo($xero_tenant_id$repeating_invoice_id$attachment_id$content_type);
+        list($response) = $this->getRepeatingInvoiceAttachmentByIdWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $attachment_id, $content_type);
         return $response;
     }
     /**
@@ -45259,9 +45259,9 @@ public function getRepeatingInvoiceAttachmentById($xero_tenant_id$repeating_invo
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getRepeatingInvoiceAttachmentByIdWithHttpInfo($xero_tenant_id$repeating_invoice_id$attachment_id$content_type)
+    public function getRepeatingInvoiceAttachmentByIdWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $attachment_id, $content_type)
     {
-        $request = $this->getRepeatingInvoiceAttachmentByIdRequest($xero_tenant_id$repeating_invoice_id$attachment_id$content_type);
+        $request = $this->getRepeatingInvoiceAttachmentByIdRequest($xero_tenant_id, $repeating_invoice_id, $attachment_id, $content_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -45337,9 +45337,9 @@ public function getRepeatingInvoiceAttachmentByIdWithHttpInfo($xero_tenant_id$re
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getRepeatingInvoiceAttachmentByIdAsync($xero_tenant_id$repeating_invoice_id$attachment_id$content_type)
+    public function getRepeatingInvoiceAttachmentByIdAsync($xero_tenant_id, $repeating_invoice_id, $attachment_id, $content_type)
     {
-        return $this->getRepeatingInvoiceAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id$attachment_id$content_type)
+        return $this->getRepeatingInvoiceAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $attachment_id, $content_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -45355,10 +45355,10 @@ function ($response) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getRepeatingInvoiceAttachmentByIdAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id$attachment_id$content_type)
+    public function getRepeatingInvoiceAttachmentByIdAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $attachment_id, $content_type)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getRepeatingInvoiceAttachmentByIdRequest($xero_tenant_id$repeating_invoice_id$attachment_id$content_type);
+        $request = $this->getRepeatingInvoiceAttachmentByIdRequest($xero_tenant_id, $repeating_invoice_id, $attachment_id, $content_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -45400,7 +45400,7 @@ function ($exception) {
      * @param  string $content_type The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getRepeatingInvoiceAttachmentByIdRequest($xero_tenant_id$repeating_invoice_id$attachment_id$content_type)
+    protected function getRepeatingInvoiceAttachmentByIdRequest($xero_tenant_id, $repeating_invoice_id, $attachment_id, $content_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -45525,9 +45525,9 @@ protected function getRepeatingInvoiceAttachmentByIdRequest($xero_tenant_id$repe
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments
      */
-    public function getRepeatingInvoiceAttachments($xero_tenant_id$repeating_invoice_id)
+    public function getRepeatingInvoiceAttachments($xero_tenant_id, $repeating_invoice_id)
     {
-        list($response) = $this->getRepeatingInvoiceAttachmentsWithHttpInfo($xero_tenant_id$repeating_invoice_id);
+        list($response) = $this->getRepeatingInvoiceAttachmentsWithHttpInfo($xero_tenant_id, $repeating_invoice_id);
         return $response;
     }
     /**
@@ -45539,9 +45539,9 @@ public function getRepeatingInvoiceAttachments($xero_tenant_id$repeating_invoice
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getRepeatingInvoiceAttachmentsWithHttpInfo($xero_tenant_id$repeating_invoice_id)
+    public function getRepeatingInvoiceAttachmentsWithHttpInfo($xero_tenant_id, $repeating_invoice_id)
     {
-        $request = $this->getRepeatingInvoiceAttachmentsRequest($xero_tenant_id$repeating_invoice_id);
+        $request = $this->getRepeatingInvoiceAttachmentsRequest($xero_tenant_id, $repeating_invoice_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -45615,9 +45615,9 @@ public function getRepeatingInvoiceAttachmentsWithHttpInfo($xero_tenant_id$repea
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getRepeatingInvoiceAttachmentsAsync($xero_tenant_id$repeating_invoice_id)
+    public function getRepeatingInvoiceAttachmentsAsync($xero_tenant_id, $repeating_invoice_id)
     {
-        return $this->getRepeatingInvoiceAttachmentsAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id)
+        return $this->getRepeatingInvoiceAttachmentsAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -45631,10 +45631,10 @@ function ($response) {
      * @param  string $repeating_invoice_id Unique identifier for a Repeating Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getRepeatingInvoiceAttachmentsAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id)
+    public function getRepeatingInvoiceAttachmentsAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->getRepeatingInvoiceAttachmentsRequest($xero_tenant_id$repeating_invoice_id);
+        $request = $this->getRepeatingInvoiceAttachmentsRequest($xero_tenant_id, $repeating_invoice_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -45674,7 +45674,7 @@ function ($exception) {
      * @param  string $repeating_invoice_id Unique identifier for a Repeating Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getRepeatingInvoiceAttachmentsRequest($xero_tenant_id$repeating_invoice_id)
+    protected function getRepeatingInvoiceAttachmentsRequest($xero_tenant_id, $repeating_invoice_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -45775,9 +45775,9 @@ protected function getRepeatingInvoiceAttachmentsRequest($xero_tenant_id$repeati
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords
      */
-    public function getRepeatingInvoiceHistory($xero_tenant_id$repeating_invoice_id)
+    public function getRepeatingInvoiceHistory($xero_tenant_id, $repeating_invoice_id)
     {
-        list($response) = $this->getRepeatingInvoiceHistoryWithHttpInfo($xero_tenant_id$repeating_invoice_id);
+        list($response) = $this->getRepeatingInvoiceHistoryWithHttpInfo($xero_tenant_id, $repeating_invoice_id);
         return $response;
     }
     /**
@@ -45789,9 +45789,9 @@ public function getRepeatingInvoiceHistory($xero_tenant_id$repeating_invoice_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\HistoryRecords, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getRepeatingInvoiceHistoryWithHttpInfo($xero_tenant_id$repeating_invoice_id)
+    public function getRepeatingInvoiceHistoryWithHttpInfo($xero_tenant_id, $repeating_invoice_id)
     {
-        $request = $this->getRepeatingInvoiceHistoryRequest($xero_tenant_id$repeating_invoice_id);
+        $request = $this->getRepeatingInvoiceHistoryRequest($xero_tenant_id, $repeating_invoice_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -45865,9 +45865,9 @@ public function getRepeatingInvoiceHistoryWithHttpInfo($xero_tenant_id$repeating
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getRepeatingInvoiceHistoryAsync($xero_tenant_id$repeating_invoice_id)
+    public function getRepeatingInvoiceHistoryAsync($xero_tenant_id, $repeating_invoice_id)
     {
-        return $this->getRepeatingInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id)
+        return $this->getRepeatingInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -45881,10 +45881,10 @@ function ($response) {
      * @param  string $repeating_invoice_id Unique identifier for a Repeating Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getRepeatingInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id)
+    public function getRepeatingInvoiceHistoryAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\HistoryRecords';
-        $request = $this->getRepeatingInvoiceHistoryRequest($xero_tenant_id$repeating_invoice_id);
+        $request = $this->getRepeatingInvoiceHistoryRequest($xero_tenant_id, $repeating_invoice_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -45924,7 +45924,7 @@ function ($exception) {
      * @param  string $repeating_invoice_id Unique identifier for a Repeating Invoice (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getRepeatingInvoiceHistoryRequest($xero_tenant_id$repeating_invoice_id)
+    protected function getRepeatingInvoiceHistoryRequest($xero_tenant_id, $repeating_invoice_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -46026,9 +46026,9 @@ protected function getRepeatingInvoiceHistoryRequest($xero_tenant_id$repeating_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\RepeatingInvoices
      */
-    public function getRepeatingInvoices($xero_tenant_id$where = null$order = null)
+    public function getRepeatingInvoices($xero_tenant_id, $where = null, $order = null)
     {
-        list($response) = $this->getRepeatingInvoicesWithHttpInfo($xero_tenant_id$where$order);
+        list($response) = $this->getRepeatingInvoicesWithHttpInfo($xero_tenant_id, $where, $order);
         return $response;
     }
     /**
@@ -46041,9 +46041,9 @@ public function getRepeatingInvoices($xero_tenant_id$where = null$order = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\RepeatingInvoices, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getRepeatingInvoicesWithHttpInfo($xero_tenant_id$where = null$order = null)
+    public function getRepeatingInvoicesWithHttpInfo($xero_tenant_id, $where = null, $order = null)
     {
-        $request = $this->getRepeatingInvoicesRequest($xero_tenant_id$where$order);
+        $request = $this->getRepeatingInvoicesRequest($xero_tenant_id, $where, $order);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -46118,9 +46118,9 @@ public function getRepeatingInvoicesWithHttpInfo($xero_tenant_id$where = null$or
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getRepeatingInvoicesAsync($xero_tenant_id$where = null$order = null)
+    public function getRepeatingInvoicesAsync($xero_tenant_id, $where = null, $order = null)
     {
-        return $this->getRepeatingInvoicesAsyncWithHttpInfo($xero_tenant_id$where$order)
+        return $this->getRepeatingInvoicesAsyncWithHttpInfo($xero_tenant_id, $where, $order)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -46135,10 +46135,10 @@ function ($response) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getRepeatingInvoicesAsyncWithHttpInfo($xero_tenant_id$where = null$order = null)
+    public function getRepeatingInvoicesAsyncWithHttpInfo($xero_tenant_id, $where = null, $order = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\RepeatingInvoices';
-        $request = $this->getRepeatingInvoicesRequest($xero_tenant_id$where$order);
+        $request = $this->getRepeatingInvoicesRequest($xero_tenant_id, $where, $order);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -46179,7 +46179,7 @@ function ($exception) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getRepeatingInvoicesRequest($xero_tenant_id$where = null$order = null)
+    protected function getRepeatingInvoicesRequest($xero_tenant_id, $where = null, $order = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -46277,9 +46277,9 @@ protected function getRepeatingInvoicesRequest($xero_tenant_id$where = null$orde
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows
      */
-    public function getReportAgedPayablesByContact($xero_tenant_id$contact_id$date = null$from_date = null$to_date = null)
+    public function getReportAgedPayablesByContact($xero_tenant_id, $contact_id, $date = null, $from_date = null, $to_date = null)
     {
-        list($response) = $this->getReportAgedPayablesByContactWithHttpInfo($xero_tenant_id$contact_id$date$from_date$to_date);
+        list($response) = $this->getReportAgedPayablesByContactWithHttpInfo($xero_tenant_id, $contact_id, $date, $from_date, $to_date);
         return $response;
     }
     /**
@@ -46294,9 +46294,9 @@ public function getReportAgedPayablesByContact($xero_tenant_id$contact_id$date =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReportAgedPayablesByContactWithHttpInfo($xero_tenant_id$contact_id$date = null$from_date = null$to_date = null)
+    public function getReportAgedPayablesByContactWithHttpInfo($xero_tenant_id, $contact_id, $date = null, $from_date = null, $to_date = null)
     {
-        $request = $this->getReportAgedPayablesByContactRequest($xero_tenant_id$contact_id$date$from_date$to_date);
+        $request = $this->getReportAgedPayablesByContactRequest($xero_tenant_id, $contact_id, $date, $from_date, $to_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -46373,9 +46373,9 @@ public function getReportAgedPayablesByContactWithHttpInfo($xero_tenant_id$conta
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReportAgedPayablesByContactAsync($xero_tenant_id$contact_id$date = null$from_date = null$to_date = null)
+    public function getReportAgedPayablesByContactAsync($xero_tenant_id, $contact_id, $date = null, $from_date = null, $to_date = null)
     {
-        return $this->getReportAgedPayablesByContactAsyncWithHttpInfo($xero_tenant_id$contact_id$date$from_date$to_date)
+        return $this->getReportAgedPayablesByContactAsyncWithHttpInfo($xero_tenant_id, $contact_id, $date, $from_date, $to_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -46392,10 +46392,10 @@ function ($response) {
      * @param  \DateTime $to_date filter by the to date of the report e.g. 2021-02-28 (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReportAgedPayablesByContactAsyncWithHttpInfo($xero_tenant_id$contact_id$date = null$from_date = null$to_date = null)
+    public function getReportAgedPayablesByContactAsyncWithHttpInfo($xero_tenant_id, $contact_id, $date = null, $from_date = null, $to_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ReportWithRows';
-        $request = $this->getReportAgedPayablesByContactRequest($xero_tenant_id$contact_id$date$from_date$to_date);
+        $request = $this->getReportAgedPayablesByContactRequest($xero_tenant_id, $contact_id, $date, $from_date, $to_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -46438,7 +46438,7 @@ function ($exception) {
      * @param  \DateTime $to_date filter by the to date of the report e.g. 2021-02-28 (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReportAgedPayablesByContactRequest($xero_tenant_id$contact_id$date = null$from_date = null$to_date = null)
+    protected function getReportAgedPayablesByContactRequest($xero_tenant_id, $contact_id, $date = null, $from_date = null, $to_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -46550,9 +46550,9 @@ protected function getReportAgedPayablesByContactRequest($xero_tenant_id$contact
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows
      */
-    public function getReportAgedReceivablesByContact($xero_tenant_id$contact_id$date = null$from_date = null$to_date = null)
+    public function getReportAgedReceivablesByContact($xero_tenant_id, $contact_id, $date = null, $from_date = null, $to_date = null)
     {
-        list($response) = $this->getReportAgedReceivablesByContactWithHttpInfo($xero_tenant_id$contact_id$date$from_date$to_date);
+        list($response) = $this->getReportAgedReceivablesByContactWithHttpInfo($xero_tenant_id, $contact_id, $date, $from_date, $to_date);
         return $response;
     }
     /**
@@ -46567,9 +46567,9 @@ public function getReportAgedReceivablesByContact($xero_tenant_id$contact_id$dat
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReportAgedReceivablesByContactWithHttpInfo($xero_tenant_id$contact_id$date = null$from_date = null$to_date = null)
+    public function getReportAgedReceivablesByContactWithHttpInfo($xero_tenant_id, $contact_id, $date = null, $from_date = null, $to_date = null)
     {
-        $request = $this->getReportAgedReceivablesByContactRequest($xero_tenant_id$contact_id$date$from_date$to_date);
+        $request = $this->getReportAgedReceivablesByContactRequest($xero_tenant_id, $contact_id, $date, $from_date, $to_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -46646,9 +46646,9 @@ public function getReportAgedReceivablesByContactWithHttpInfo($xero_tenant_id$co
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReportAgedReceivablesByContactAsync($xero_tenant_id$contact_id$date = null$from_date = null$to_date = null)
+    public function getReportAgedReceivablesByContactAsync($xero_tenant_id, $contact_id, $date = null, $from_date = null, $to_date = null)
     {
-        return $this->getReportAgedReceivablesByContactAsyncWithHttpInfo($xero_tenant_id$contact_id$date$from_date$to_date)
+        return $this->getReportAgedReceivablesByContactAsyncWithHttpInfo($xero_tenant_id, $contact_id, $date, $from_date, $to_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -46665,10 +46665,10 @@ function ($response) {
      * @param  \DateTime $to_date filter by the to date of the report e.g. 2021-02-28 (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReportAgedReceivablesByContactAsyncWithHttpInfo($xero_tenant_id$contact_id$date = null$from_date = null$to_date = null)
+    public function getReportAgedReceivablesByContactAsyncWithHttpInfo($xero_tenant_id, $contact_id, $date = null, $from_date = null, $to_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ReportWithRows';
-        $request = $this->getReportAgedReceivablesByContactRequest($xero_tenant_id$contact_id$date$from_date$to_date);
+        $request = $this->getReportAgedReceivablesByContactRequest($xero_tenant_id, $contact_id, $date, $from_date, $to_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -46711,7 +46711,7 @@ function ($exception) {
      * @param  \DateTime $to_date filter by the to date of the report e.g. 2021-02-28 (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReportAgedReceivablesByContactRequest($xero_tenant_id$contact_id$date = null$from_date = null$to_date = null)
+    protected function getReportAgedReceivablesByContactRequest($xero_tenant_id, $contact_id, $date = null, $from_date = null, $to_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -46826,9 +46826,9 @@ protected function getReportAgedReceivablesByContactRequest($xero_tenant_id$cont
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows
      */
-    public function getReportBalanceSheet($xero_tenant_id$date = null$periods = null$timeframe = null$tracking_option_id1 = null$tracking_option_id2 = null$standard_layout = null$payments_only = null)
+    public function getReportBalanceSheet($xero_tenant_id, $date = null, $periods = null, $timeframe = null, $tracking_option_id1 = null, $tracking_option_id2 = null, $standard_layout = null, $payments_only = null)
     {
-        list($response) = $this->getReportBalanceSheetWithHttpInfo($xero_tenant_id$date$periods$timeframe$tracking_option_id1$tracking_option_id2$standard_layout$payments_only);
+        list($response) = $this->getReportBalanceSheetWithHttpInfo($xero_tenant_id, $date, $periods, $timeframe, $tracking_option_id1, $tracking_option_id2, $standard_layout, $payments_only);
         return $response;
     }
     /**
@@ -46846,9 +46846,9 @@ public function getReportBalanceSheet($xero_tenant_id$date = null$periods = null
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReportBalanceSheetWithHttpInfo($xero_tenant_id$date = null$periods = null$timeframe = null$tracking_option_id1 = null$tracking_option_id2 = null$standard_layout = null$payments_only = null)
+    public function getReportBalanceSheetWithHttpInfo($xero_tenant_id, $date = null, $periods = null, $timeframe = null, $tracking_option_id1 = null, $tracking_option_id2 = null, $standard_layout = null, $payments_only = null)
     {
-        $request = $this->getReportBalanceSheetRequest($xero_tenant_id$date$periods$timeframe$tracking_option_id1$tracking_option_id2$standard_layout$payments_only);
+        $request = $this->getReportBalanceSheetRequest($xero_tenant_id, $date, $periods, $timeframe, $tracking_option_id1, $tracking_option_id2, $standard_layout, $payments_only);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -46928,9 +46928,9 @@ public function getReportBalanceSheetWithHttpInfo($xero_tenant_id$date = null$pe
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReportBalanceSheetAsync($xero_tenant_id$date = null$periods = null$timeframe = null$tracking_option_id1 = null$tracking_option_id2 = null$standard_layout = null$payments_only = null)
+    public function getReportBalanceSheetAsync($xero_tenant_id, $date = null, $periods = null, $timeframe = null, $tracking_option_id1 = null, $tracking_option_id2 = null, $standard_layout = null, $payments_only = null)
     {
-        return $this->getReportBalanceSheetAsyncWithHttpInfo($xero_tenant_id$date$periods$timeframe$tracking_option_id1$tracking_option_id2$standard_layout$payments_only)
+        return $this->getReportBalanceSheetAsyncWithHttpInfo($xero_tenant_id, $date, $periods, $timeframe, $tracking_option_id1, $tracking_option_id2, $standard_layout, $payments_only)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -46950,10 +46950,10 @@ function ($response) {
      * @param  bool $payments_only return a cash basis for the Balance Sheet report (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReportBalanceSheetAsyncWithHttpInfo($xero_tenant_id$date = null$periods = null$timeframe = null$tracking_option_id1 = null$tracking_option_id2 = null$standard_layout = null$payments_only = null)
+    public function getReportBalanceSheetAsyncWithHttpInfo($xero_tenant_id, $date = null, $periods = null, $timeframe = null, $tracking_option_id1 = null, $tracking_option_id2 = null, $standard_layout = null, $payments_only = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ReportWithRows';
-        $request = $this->getReportBalanceSheetRequest($xero_tenant_id$date$periods$timeframe$tracking_option_id1$tracking_option_id2$standard_layout$payments_only);
+        $request = $this->getReportBalanceSheetRequest($xero_tenant_id, $date, $periods, $timeframe, $tracking_option_id1, $tracking_option_id2, $standard_layout, $payments_only);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -46999,7 +46999,7 @@ function ($exception) {
      * @param  bool $payments_only return a cash basis for the Balance Sheet report (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReportBalanceSheetRequest($xero_tenant_id$date = null$periods = null$timeframe = null$tracking_option_id1 = null$tracking_option_id2 = null$standard_layout = null$payments_only = null)
+    protected function getReportBalanceSheetRequest($xero_tenant_id, $date = null, $periods = null, $timeframe = null, $tracking_option_id1 = null, $tracking_option_id2 = null, $standard_layout = null, $payments_only = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -47115,9 +47115,9 @@ protected function getReportBalanceSheetRequest($xero_tenant_id$date = null$peri
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows
      */
-    public function getReportBankSummary($xero_tenant_id$from_date = null$to_date = null)
+    public function getReportBankSummary($xero_tenant_id, $from_date = null, $to_date = null)
     {
-        list($response) = $this->getReportBankSummaryWithHttpInfo($xero_tenant_id$from_date$to_date);
+        list($response) = $this->getReportBankSummaryWithHttpInfo($xero_tenant_id, $from_date, $to_date);
         return $response;
     }
     /**
@@ -47130,9 +47130,9 @@ public function getReportBankSummary($xero_tenant_id$from_date = null$to_date =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReportBankSummaryWithHttpInfo($xero_tenant_id$from_date = null$to_date = null)
+    public function getReportBankSummaryWithHttpInfo($xero_tenant_id, $from_date = null, $to_date = null)
     {
-        $request = $this->getReportBankSummaryRequest($xero_tenant_id$from_date$to_date);
+        $request = $this->getReportBankSummaryRequest($xero_tenant_id, $from_date, $to_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -47207,9 +47207,9 @@ public function getReportBankSummaryWithHttpInfo($xero_tenant_id$from_date = nul
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReportBankSummaryAsync($xero_tenant_id$from_date = null$to_date = null)
+    public function getReportBankSummaryAsync($xero_tenant_id, $from_date = null, $to_date = null)
     {
-        return $this->getReportBankSummaryAsyncWithHttpInfo($xero_tenant_id$from_date$to_date)
+        return $this->getReportBankSummaryAsyncWithHttpInfo($xero_tenant_id, $from_date, $to_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -47224,10 +47224,10 @@ function ($response) {
      * @param  \DateTime $to_date filter by the to date of the report e.g. 2021-02-28 (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReportBankSummaryAsyncWithHttpInfo($xero_tenant_id$from_date = null$to_date = null)
+    public function getReportBankSummaryAsyncWithHttpInfo($xero_tenant_id, $from_date = null, $to_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ReportWithRows';
-        $request = $this->getReportBankSummaryRequest($xero_tenant_id$from_date$to_date);
+        $request = $this->getReportBankSummaryRequest($xero_tenant_id, $from_date, $to_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -47268,7 +47268,7 @@ function ($exception) {
      * @param  \DateTime $to_date filter by the to date of the report e.g. 2021-02-28 (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReportBankSummaryRequest($xero_tenant_id$from_date = null$to_date = null)
+    protected function getReportBankSummaryRequest($xero_tenant_id, $from_date = null, $to_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -47365,9 +47365,9 @@ protected function getReportBankSummaryRequest($xero_tenant_id$from_date = null$
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows
      */
-    public function getReportBudgetSummary($xero_tenant_id$date = null$periods = null$timeframe = null)
+    public function getReportBudgetSummary($xero_tenant_id, $date = null, $periods = null, $timeframe = null)
     {
-        list($response) = $this->getReportBudgetSummaryWithHttpInfo($xero_tenant_id$date$periods$timeframe);
+        list($response) = $this->getReportBudgetSummaryWithHttpInfo($xero_tenant_id, $date, $periods, $timeframe);
         return $response;
     }
     /**
@@ -47381,9 +47381,9 @@ public function getReportBudgetSummary($xero_tenant_id$date = null$periods = nul
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReportBudgetSummaryWithHttpInfo($xero_tenant_id$date = null$periods = null$timeframe = null)
+    public function getReportBudgetSummaryWithHttpInfo($xero_tenant_id, $date = null, $periods = null, $timeframe = null)
     {
-        $request = $this->getReportBudgetSummaryRequest($xero_tenant_id$date$periods$timeframe);
+        $request = $this->getReportBudgetSummaryRequest($xero_tenant_id, $date, $periods, $timeframe);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -47459,9 +47459,9 @@ public function getReportBudgetSummaryWithHttpInfo($xero_tenant_id$date = null$p
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReportBudgetSummaryAsync($xero_tenant_id$date = null$periods = null$timeframe = null)
+    public function getReportBudgetSummaryAsync($xero_tenant_id, $date = null, $periods = null, $timeframe = null)
     {
-        return $this->getReportBudgetSummaryAsyncWithHttpInfo($xero_tenant_id$date$periods$timeframe)
+        return $this->getReportBudgetSummaryAsyncWithHttpInfo($xero_tenant_id, $date, $periods, $timeframe)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -47477,10 +47477,10 @@ function ($response) {
      * @param  int $timeframe The period size to compare to (1&#x3D;month, 3&#x3D;quarter, 12&#x3D;year) (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReportBudgetSummaryAsyncWithHttpInfo($xero_tenant_id$date = null$periods = null$timeframe = null)
+    public function getReportBudgetSummaryAsyncWithHttpInfo($xero_tenant_id, $date = null, $periods = null, $timeframe = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ReportWithRows';
-        $request = $this->getReportBudgetSummaryRequest($xero_tenant_id$date$periods$timeframe);
+        $request = $this->getReportBudgetSummaryRequest($xero_tenant_id, $date, $periods, $timeframe);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -47522,7 +47522,7 @@ function ($exception) {
      * @param  int $timeframe The period size to compare to (1&#x3D;month, 3&#x3D;quarter, 12&#x3D;year) (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReportBudgetSummaryRequest($xero_tenant_id$date = null$periods = null$timeframe = null)
+    protected function getReportBudgetSummaryRequest($xero_tenant_id, $date = null, $periods = null, $timeframe = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -47621,9 +47621,9 @@ protected function getReportBudgetSummaryRequest($xero_tenant_id$date = null$per
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows
      */
-    public function getReportExecutiveSummary($xero_tenant_id$date = null)
+    public function getReportExecutiveSummary($xero_tenant_id, $date = null)
     {
-        list($response) = $this->getReportExecutiveSummaryWithHttpInfo($xero_tenant_id$date);
+        list($response) = $this->getReportExecutiveSummaryWithHttpInfo($xero_tenant_id, $date);
         return $response;
     }
     /**
@@ -47635,9 +47635,9 @@ public function getReportExecutiveSummary($xero_tenant_id$date = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReportExecutiveSummaryWithHttpInfo($xero_tenant_id$date = null)
+    public function getReportExecutiveSummaryWithHttpInfo($xero_tenant_id, $date = null)
     {
-        $request = $this->getReportExecutiveSummaryRequest($xero_tenant_id$date);
+        $request = $this->getReportExecutiveSummaryRequest($xero_tenant_id, $date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -47711,9 +47711,9 @@ public function getReportExecutiveSummaryWithHttpInfo($xero_tenant_id$date = nul
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReportExecutiveSummaryAsync($xero_tenant_id$date = null)
+    public function getReportExecutiveSummaryAsync($xero_tenant_id, $date = null)
     {
-        return $this->getReportExecutiveSummaryAsyncWithHttpInfo($xero_tenant_id$date)
+        return $this->getReportExecutiveSummaryAsyncWithHttpInfo($xero_tenant_id, $date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -47727,10 +47727,10 @@ function ($response) {
      * @param  \DateTime $date The date for the Bank Summary report e.g. 2018-03-31 (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReportExecutiveSummaryAsyncWithHttpInfo($xero_tenant_id$date = null)
+    public function getReportExecutiveSummaryAsyncWithHttpInfo($xero_tenant_id, $date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ReportWithRows';
-        $request = $this->getReportExecutiveSummaryRequest($xero_tenant_id$date);
+        $request = $this->getReportExecutiveSummaryRequest($xero_tenant_id, $date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -47770,7 +47770,7 @@ function ($exception) {
      * @param  \DateTime $date The date for the Bank Summary report e.g. 2018-03-31 (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReportExecutiveSummaryRequest($xero_tenant_id$date = null)
+    protected function getReportExecutiveSummaryRequest($xero_tenant_id, $date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -47861,9 +47861,9 @@ protected function getReportExecutiveSummaryRequest($xero_tenant_id$date = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows
      */
-    public function getReportFromId($xero_tenant_id$report_id)
+    public function getReportFromId($xero_tenant_id, $report_id)
     {
-        list($response) = $this->getReportFromIdWithHttpInfo($xero_tenant_id$report_id);
+        list($response) = $this->getReportFromIdWithHttpInfo($xero_tenant_id, $report_id);
         return $response;
     }
     /**
@@ -47875,9 +47875,9 @@ public function getReportFromId($xero_tenant_id$report_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReportFromIdWithHttpInfo($xero_tenant_id$report_id)
+    public function getReportFromIdWithHttpInfo($xero_tenant_id, $report_id)
     {
-        $request = $this->getReportFromIdRequest($xero_tenant_id$report_id);
+        $request = $this->getReportFromIdRequest($xero_tenant_id, $report_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -47951,9 +47951,9 @@ public function getReportFromIdWithHttpInfo($xero_tenant_id$report_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReportFromIdAsync($xero_tenant_id$report_id)
+    public function getReportFromIdAsync($xero_tenant_id, $report_id)
     {
-        return $this->getReportFromIdAsyncWithHttpInfo($xero_tenant_id$report_id)
+        return $this->getReportFromIdAsyncWithHttpInfo($xero_tenant_id, $report_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -47967,10 +47967,10 @@ function ($response) {
      * @param  string $report_id Unique identifier for a Report (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReportFromIdAsyncWithHttpInfo($xero_tenant_id$report_id)
+    public function getReportFromIdAsyncWithHttpInfo($xero_tenant_id, $report_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ReportWithRows';
-        $request = $this->getReportFromIdRequest($xero_tenant_id$report_id);
+        $request = $this->getReportFromIdRequest($xero_tenant_id, $report_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -48010,7 +48010,7 @@ function ($exception) {
      * @param  string $report_id Unique identifier for a Report (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReportFromIdRequest($xero_tenant_id$report_id)
+    protected function getReportFromIdRequest($xero_tenant_id, $report_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -48120,9 +48120,9 @@ protected function getReportFromIdRequest($xero_tenant_id$report_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows
      */
-    public function getReportProfitAndLoss($xero_tenant_id$from_date = null$to_date = null$periods = null$timeframe = null$tracking_category_id = null$tracking_category_id2 = null$tracking_option_id = null$tracking_option_id2 = null$standard_layout = null$payments_only = null)
+    public function getReportProfitAndLoss($xero_tenant_id, $from_date = null, $to_date = null, $periods = null, $timeframe = null, $tracking_category_id = null, $tracking_category_id2 = null, $tracking_option_id = null, $tracking_option_id2 = null, $standard_layout = null, $payments_only = null)
     {
-        list($response) = $this->getReportProfitAndLossWithHttpInfo($xero_tenant_id$from_date$to_date$periods$timeframe$tracking_category_id$tracking_category_id2$tracking_option_id$tracking_option_id2$standard_layout$payments_only);
+        list($response) = $this->getReportProfitAndLossWithHttpInfo($xero_tenant_id, $from_date, $to_date, $periods, $timeframe, $tracking_category_id, $tracking_category_id2, $tracking_option_id, $tracking_option_id2, $standard_layout, $payments_only);
         return $response;
     }
     /**
@@ -48143,9 +48143,9 @@ public function getReportProfitAndLoss($xero_tenant_id$from_date = null$to_date
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReportProfitAndLossWithHttpInfo($xero_tenant_id$from_date = null$to_date = null$periods = null$timeframe = null$tracking_category_id = null$tracking_category_id2 = null$tracking_option_id = null$tracking_option_id2 = null$standard_layout = null$payments_only = null)
+    public function getReportProfitAndLossWithHttpInfo($xero_tenant_id, $from_date = null, $to_date = null, $periods = null, $timeframe = null, $tracking_category_id = null, $tracking_category_id2 = null, $tracking_option_id = null, $tracking_option_id2 = null, $standard_layout = null, $payments_only = null)
     {
-        $request = $this->getReportProfitAndLossRequest($xero_tenant_id$from_date$to_date$periods$timeframe$tracking_category_id$tracking_category_id2$tracking_option_id$tracking_option_id2$standard_layout$payments_only);
+        $request = $this->getReportProfitAndLossRequest($xero_tenant_id, $from_date, $to_date, $periods, $timeframe, $tracking_category_id, $tracking_category_id2, $tracking_option_id, $tracking_option_id2, $standard_layout, $payments_only);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -48228,9 +48228,9 @@ public function getReportProfitAndLossWithHttpInfo($xero_tenant_id$from_date = n
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReportProfitAndLossAsync($xero_tenant_id$from_date = null$to_date = null$periods = null$timeframe = null$tracking_category_id = null$tracking_category_id2 = null$tracking_option_id = null$tracking_option_id2 = null$standard_layout = null$payments_only = null)
+    public function getReportProfitAndLossAsync($xero_tenant_id, $from_date = null, $to_date = null, $periods = null, $timeframe = null, $tracking_category_id = null, $tracking_category_id2 = null, $tracking_option_id = null, $tracking_option_id2 = null, $standard_layout = null, $payments_only = null)
     {
-        return $this->getReportProfitAndLossAsyncWithHttpInfo($xero_tenant_id$from_date$to_date$periods$timeframe$tracking_category_id$tracking_category_id2$tracking_option_id$tracking_option_id2$standard_layout$payments_only)
+        return $this->getReportProfitAndLossAsyncWithHttpInfo($xero_tenant_id, $from_date, $to_date, $periods, $timeframe, $tracking_category_id, $tracking_category_id2, $tracking_option_id, $tracking_option_id2, $standard_layout, $payments_only)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -48253,10 +48253,10 @@ function ($response) {
      * @param  bool $payments_only Return cash only basis for the ProfitAndLoss report (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReportProfitAndLossAsyncWithHttpInfo($xero_tenant_id$from_date = null$to_date = null$periods = null$timeframe = null$tracking_category_id = null$tracking_category_id2 = null$tracking_option_id = null$tracking_option_id2 = null$standard_layout = null$payments_only = null)
+    public function getReportProfitAndLossAsyncWithHttpInfo($xero_tenant_id, $from_date = null, $to_date = null, $periods = null, $timeframe = null, $tracking_category_id = null, $tracking_category_id2 = null, $tracking_option_id = null, $tracking_option_id2 = null, $standard_layout = null, $payments_only = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ReportWithRows';
-        $request = $this->getReportProfitAndLossRequest($xero_tenant_id$from_date$to_date$periods$timeframe$tracking_category_id$tracking_category_id2$tracking_option_id$tracking_option_id2$standard_layout$payments_only);
+        $request = $this->getReportProfitAndLossRequest($xero_tenant_id, $from_date, $to_date, $periods, $timeframe, $tracking_category_id, $tracking_category_id2, $tracking_option_id, $tracking_option_id2, $standard_layout, $payments_only);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -48305,7 +48305,7 @@ function ($exception) {
      * @param  bool $payments_only Return cash only basis for the ProfitAndLoss report (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReportProfitAndLossRequest($xero_tenant_id$from_date = null$to_date = null$periods = null$timeframe = null$tracking_category_id = null$tracking_category_id2 = null$tracking_option_id = null$tracking_option_id2 = null$standard_layout = null$payments_only = null)
+    protected function getReportProfitAndLossRequest($xero_tenant_id, $from_date = null, $to_date = null, $periods = null, $timeframe = null, $tracking_category_id = null, $tracking_category_id2 = null, $tracking_option_id = null, $tracking_option_id2 = null, $standard_layout = null, $payments_only = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -48432,9 +48432,9 @@ protected function getReportProfitAndLossRequest($xero_tenant_id$from_date = nul
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Reports
      */
-    public function getReportTenNinetyNine($xero_tenant_id$report_year = null)
+    public function getReportTenNinetyNine($xero_tenant_id, $report_year = null)
     {
-        list($response) = $this->getReportTenNinetyNineWithHttpInfo($xero_tenant_id$report_year);
+        list($response) = $this->getReportTenNinetyNineWithHttpInfo($xero_tenant_id, $report_year);
         return $response;
     }
     /**
@@ -48446,9 +48446,9 @@ public function getReportTenNinetyNine($xero_tenant_id$report_year = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Reports, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReportTenNinetyNineWithHttpInfo($xero_tenant_id$report_year = null)
+    public function getReportTenNinetyNineWithHttpInfo($xero_tenant_id, $report_year = null)
     {
-        $request = $this->getReportTenNinetyNineRequest($xero_tenant_id$report_year);
+        $request = $this->getReportTenNinetyNineRequest($xero_tenant_id, $report_year);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -48522,9 +48522,9 @@ public function getReportTenNinetyNineWithHttpInfo($xero_tenant_id$report_year =
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReportTenNinetyNineAsync($xero_tenant_id$report_year = null)
+    public function getReportTenNinetyNineAsync($xero_tenant_id, $report_year = null)
     {
-        return $this->getReportTenNinetyNineAsyncWithHttpInfo($xero_tenant_id$report_year)
+        return $this->getReportTenNinetyNineAsyncWithHttpInfo($xero_tenant_id, $report_year)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -48538,10 +48538,10 @@ function ($response) {
      * @param  string $report_year The year of the 1099 report (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReportTenNinetyNineAsyncWithHttpInfo($xero_tenant_id$report_year = null)
+    public function getReportTenNinetyNineAsyncWithHttpInfo($xero_tenant_id, $report_year = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Reports';
-        $request = $this->getReportTenNinetyNineRequest($xero_tenant_id$report_year);
+        $request = $this->getReportTenNinetyNineRequest($xero_tenant_id, $report_year);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -48581,7 +48581,7 @@ function ($exception) {
      * @param  string $report_year The year of the 1099 report (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReportTenNinetyNineRequest($xero_tenant_id$report_year = null)
+    protected function getReportTenNinetyNineRequest($xero_tenant_id, $report_year = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -48673,9 +48673,9 @@ protected function getReportTenNinetyNineRequest($xero_tenant_id$report_year = n
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows
      */
-    public function getReportTrialBalance($xero_tenant_id$date = null$payments_only = null)
+    public function getReportTrialBalance($xero_tenant_id, $date = null, $payments_only = null)
     {
-        list($response) = $this->getReportTrialBalanceWithHttpInfo($xero_tenant_id$date$payments_only);
+        list($response) = $this->getReportTrialBalanceWithHttpInfo($xero_tenant_id, $date, $payments_only);
         return $response;
     }
     /**
@@ -48688,9 +48688,9 @@ public function getReportTrialBalance($xero_tenant_id$date = null$payments_only
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ReportWithRows, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReportTrialBalanceWithHttpInfo($xero_tenant_id$date = null$payments_only = null)
+    public function getReportTrialBalanceWithHttpInfo($xero_tenant_id, $date = null, $payments_only = null)
     {
-        $request = $this->getReportTrialBalanceRequest($xero_tenant_id$date$payments_only);
+        $request = $this->getReportTrialBalanceRequest($xero_tenant_id, $date, $payments_only);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -48765,9 +48765,9 @@ public function getReportTrialBalanceWithHttpInfo($xero_tenant_id$date = null$pa
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReportTrialBalanceAsync($xero_tenant_id$date = null$payments_only = null)
+    public function getReportTrialBalanceAsync($xero_tenant_id, $date = null, $payments_only = null)
     {
-        return $this->getReportTrialBalanceAsyncWithHttpInfo($xero_tenant_id$date$payments_only)
+        return $this->getReportTrialBalanceAsyncWithHttpInfo($xero_tenant_id, $date, $payments_only)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -48782,10 +48782,10 @@ function ($response) {
      * @param  bool $payments_only Return cash only basis for the Trial Balance report (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReportTrialBalanceAsyncWithHttpInfo($xero_tenant_id$date = null$payments_only = null)
+    public function getReportTrialBalanceAsyncWithHttpInfo($xero_tenant_id, $date = null, $payments_only = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ReportWithRows';
-        $request = $this->getReportTrialBalanceRequest($xero_tenant_id$date$payments_only);
+        $request = $this->getReportTrialBalanceRequest($xero_tenant_id, $date, $payments_only);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -48826,7 +48826,7 @@ function ($exception) {
      * @param  bool $payments_only Return cash only basis for the Trial Balance report (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReportTrialBalanceRequest($xero_tenant_id$date = null$payments_only = null)
+    protected function getReportTrialBalanceRequest($xero_tenant_id, $date = null, $payments_only = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -49154,9 +49154,9 @@ protected function getReportsListRequest($xero_tenant_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\TaxRates
      */
-    public function getTaxRates($xero_tenant_id$where = null$order = null$tax_type = null)
+    public function getTaxRates($xero_tenant_id, $where = null, $order = null, $tax_type = null)
     {
-        list($response) = $this->getTaxRatesWithHttpInfo($xero_tenant_id$where$order$tax_type);
+        list($response) = $this->getTaxRatesWithHttpInfo($xero_tenant_id, $where, $order, $tax_type);
         return $response;
     }
     /**
@@ -49170,9 +49170,9 @@ public function getTaxRates($xero_tenant_id$where = null$order = null$tax_type =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\TaxRates, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getTaxRatesWithHttpInfo($xero_tenant_id$where = null$order = null$tax_type = null)
+    public function getTaxRatesWithHttpInfo($xero_tenant_id, $where = null, $order = null, $tax_type = null)
     {
-        $request = $this->getTaxRatesRequest($xero_tenant_id$where$order$tax_type);
+        $request = $this->getTaxRatesRequest($xero_tenant_id, $where, $order, $tax_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -49248,9 +49248,9 @@ public function getTaxRatesWithHttpInfo($xero_tenant_id$where = null$order = nul
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getTaxRatesAsync($xero_tenant_id$where = null$order = null$tax_type = null)
+    public function getTaxRatesAsync($xero_tenant_id, $where = null, $order = null, $tax_type = null)
     {
-        return $this->getTaxRatesAsyncWithHttpInfo($xero_tenant_id$where$order$tax_type)
+        return $this->getTaxRatesAsyncWithHttpInfo($xero_tenant_id, $where, $order, $tax_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -49266,10 +49266,10 @@ function ($response) {
      * @param  string $tax_type Filter by tax type (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getTaxRatesAsyncWithHttpInfo($xero_tenant_id$where = null$order = null$tax_type = null)
+    public function getTaxRatesAsyncWithHttpInfo($xero_tenant_id, $where = null, $order = null, $tax_type = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\TaxRates';
-        $request = $this->getTaxRatesRequest($xero_tenant_id$where$order$tax_type);
+        $request = $this->getTaxRatesRequest($xero_tenant_id, $where, $order, $tax_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -49311,7 +49311,7 @@ function ($exception) {
      * @param  string $tax_type Filter by tax type (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getTaxRatesRequest($xero_tenant_id$where = null$order = null$tax_type = null)
+    protected function getTaxRatesRequest($xero_tenant_id, $where = null, $order = null, $tax_type = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -49412,9 +49412,9 @@ protected function getTaxRatesRequest($xero_tenant_id$where = null$order = null$
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\TrackingCategories
      */
-    public function getTrackingCategories($xero_tenant_id$where = null$order = null$include_archived = null)
+    public function getTrackingCategories($xero_tenant_id, $where = null, $order = null, $include_archived = null)
     {
-        list($response) = $this->getTrackingCategoriesWithHttpInfo($xero_tenant_id$where$order$include_archived);
+        list($response) = $this->getTrackingCategoriesWithHttpInfo($xero_tenant_id, $where, $order, $include_archived);
         return $response;
     }
     /**
@@ -49428,9 +49428,9 @@ public function getTrackingCategories($xero_tenant_id$where = null$order = null$
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\TrackingCategories, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getTrackingCategoriesWithHttpInfo($xero_tenant_id$where = null$order = null$include_archived = null)
+    public function getTrackingCategoriesWithHttpInfo($xero_tenant_id, $where = null, $order = null, $include_archived = null)
     {
-        $request = $this->getTrackingCategoriesRequest($xero_tenant_id$where$order$include_archived);
+        $request = $this->getTrackingCategoriesRequest($xero_tenant_id, $where, $order, $include_archived);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -49506,9 +49506,9 @@ public function getTrackingCategoriesWithHttpInfo($xero_tenant_id$where = null$o
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getTrackingCategoriesAsync($xero_tenant_id$where = null$order = null$include_archived = null)
+    public function getTrackingCategoriesAsync($xero_tenant_id, $where = null, $order = null, $include_archived = null)
     {
-        return $this->getTrackingCategoriesAsyncWithHttpInfo($xero_tenant_id$where$order$include_archived)
+        return $this->getTrackingCategoriesAsyncWithHttpInfo($xero_tenant_id, $where, $order, $include_archived)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -49524,10 +49524,10 @@ function ($response) {
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Categories and options with a status of ARCHIVED will be included in the response (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getTrackingCategoriesAsyncWithHttpInfo($xero_tenant_id$where = null$order = null$include_archived = null)
+    public function getTrackingCategoriesAsyncWithHttpInfo($xero_tenant_id, $where = null, $order = null, $include_archived = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\TrackingCategories';
-        $request = $this->getTrackingCategoriesRequest($xero_tenant_id$where$order$include_archived);
+        $request = $this->getTrackingCategoriesRequest($xero_tenant_id, $where, $order, $include_archived);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -49569,7 +49569,7 @@ function ($exception) {
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Categories and options with a status of ARCHIVED will be included in the response (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getTrackingCategoriesRequest($xero_tenant_id$where = null$order = null$include_archived = null)
+    protected function getTrackingCategoriesRequest($xero_tenant_id, $where = null, $order = null, $include_archived = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -49668,9 +49668,9 @@ protected function getTrackingCategoriesRequest($xero_tenant_id$where = null$ord
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\TrackingCategories
      */
-    public function getTrackingCategory($xero_tenant_id$tracking_category_id)
+    public function getTrackingCategory($xero_tenant_id, $tracking_category_id)
     {
-        list($response) = $this->getTrackingCategoryWithHttpInfo($xero_tenant_id$tracking_category_id);
+        list($response) = $this->getTrackingCategoryWithHttpInfo($xero_tenant_id, $tracking_category_id);
         return $response;
     }
     /**
@@ -49682,9 +49682,9 @@ public function getTrackingCategory($xero_tenant_id$tracking_category_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\TrackingCategories, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getTrackingCategoryWithHttpInfo($xero_tenant_id$tracking_category_id)
+    public function getTrackingCategoryWithHttpInfo($xero_tenant_id, $tracking_category_id)
     {
-        $request = $this->getTrackingCategoryRequest($xero_tenant_id$tracking_category_id);
+        $request = $this->getTrackingCategoryRequest($xero_tenant_id, $tracking_category_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -49758,9 +49758,9 @@ public function getTrackingCategoryWithHttpInfo($xero_tenant_id$tracking_categor
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getTrackingCategoryAsync($xero_tenant_id$tracking_category_id)
+    public function getTrackingCategoryAsync($xero_tenant_id, $tracking_category_id)
     {
-        return $this->getTrackingCategoryAsyncWithHttpInfo($xero_tenant_id$tracking_category_id)
+        return $this->getTrackingCategoryAsyncWithHttpInfo($xero_tenant_id, $tracking_category_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -49774,10 +49774,10 @@ function ($response) {
      * @param  string $tracking_category_id Unique identifier for a TrackingCategory (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getTrackingCategoryAsyncWithHttpInfo($xero_tenant_id$tracking_category_id)
+    public function getTrackingCategoryAsyncWithHttpInfo($xero_tenant_id, $tracking_category_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\TrackingCategories';
-        $request = $this->getTrackingCategoryRequest($xero_tenant_id$tracking_category_id);
+        $request = $this->getTrackingCategoryRequest($xero_tenant_id, $tracking_category_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -49817,7 +49817,7 @@ function ($exception) {
      * @param  string $tracking_category_id Unique identifier for a TrackingCategory (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getTrackingCategoryRequest($xero_tenant_id$tracking_category_id)
+    protected function getTrackingCategoryRequest($xero_tenant_id, $tracking_category_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -49918,9 +49918,9 @@ protected function getTrackingCategoryRequest($xero_tenant_id$tracking_category_
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Users
      */
-    public function getUser($xero_tenant_id$user_id)
+    public function getUser($xero_tenant_id, $user_id)
     {
-        list($response) = $this->getUserWithHttpInfo($xero_tenant_id$user_id);
+        list($response) = $this->getUserWithHttpInfo($xero_tenant_id, $user_id);
         return $response;
     }
     /**
@@ -49932,9 +49932,9 @@ public function getUser($xero_tenant_id$user_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Users, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getUserWithHttpInfo($xero_tenant_id$user_id)
+    public function getUserWithHttpInfo($xero_tenant_id, $user_id)
     {
-        $request = $this->getUserRequest($xero_tenant_id$user_id);
+        $request = $this->getUserRequest($xero_tenant_id, $user_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -50008,9 +50008,9 @@ public function getUserWithHttpInfo($xero_tenant_id$user_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getUserAsync($xero_tenant_id$user_id)
+    public function getUserAsync($xero_tenant_id, $user_id)
     {
-        return $this->getUserAsyncWithHttpInfo($xero_tenant_id$user_id)
+        return $this->getUserAsyncWithHttpInfo($xero_tenant_id, $user_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -50024,10 +50024,10 @@ function ($response) {
      * @param  string $user_id Unique identifier for a User (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getUserAsyncWithHttpInfo($xero_tenant_id$user_id)
+    public function getUserAsyncWithHttpInfo($xero_tenant_id, $user_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Users';
-        $request = $this->getUserRequest($xero_tenant_id$user_id);
+        $request = $this->getUserRequest($xero_tenant_id, $user_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -50067,7 +50067,7 @@ function ($exception) {
      * @param  string $user_id Unique identifier for a User (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getUserRequest($xero_tenant_id$user_id)
+    protected function getUserRequest($xero_tenant_id, $user_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -50170,9 +50170,9 @@ protected function getUserRequest($xero_tenant_id$user_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Users
      */
-    public function getUsers($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    public function getUsers($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
-        list($response) = $this->getUsersWithHttpInfo($xero_tenant_id$if_modified_since$where$order);
+        list($response) = $this->getUsersWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order);
         return $response;
     }
     /**
@@ -50186,9 +50186,9 @@ public function getUsers($xero_tenant_id$if_modified_since = null$where = null$o
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Users, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getUsersWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    public function getUsersWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
-        $request = $this->getUsersRequest($xero_tenant_id$if_modified_since$where$order);
+        $request = $this->getUsersRequest($xero_tenant_id, $if_modified_since, $where, $order);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -50264,9 +50264,9 @@ public function getUsersWithHttpInfo($xero_tenant_id$if_modified_since = null$wh
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getUsersAsync($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    public function getUsersAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
-        return $this->getUsersAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order)
+        return $this->getUsersAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -50282,10 +50282,10 @@ function ($response) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getUsersAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    public function getUsersAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Users';
-        $request = $this->getUsersRequest($xero_tenant_id$if_modified_since$where$order);
+        $request = $this->getUsersRequest($xero_tenant_id, $if_modified_since, $where, $order);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -50327,7 +50327,7 @@ function ($exception) {
      * @param  string $order Order by an any element (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getUsersRequest($xero_tenant_id$if_modified_since = null$where = null$order = null)
+    protected function getUsersRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -50426,9 +50426,9 @@ protected function getUsersRequest($xero_tenant_id$if_modified_since = null$wher
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ImportSummaryObject
      */
-    public function postSetup($xero_tenant_id$setup)
+    public function postSetup($xero_tenant_id, $setup)
     {
-        list($response) = $this->postSetupWithHttpInfo($xero_tenant_id$setup);
+        list($response) = $this->postSetupWithHttpInfo($xero_tenant_id, $setup);
         return $response;
     }
     /**
@@ -50440,9 +50440,9 @@ public function postSetup($xero_tenant_id$setup)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ImportSummaryObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function postSetupWithHttpInfo($xero_tenant_id$setup)
+    public function postSetupWithHttpInfo($xero_tenant_id, $setup)
     {
-        $request = $this->postSetupRequest($xero_tenant_id$setup);
+        $request = $this->postSetupRequest($xero_tenant_id, $setup);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -50516,9 +50516,9 @@ public function postSetupWithHttpInfo($xero_tenant_id$setup)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function postSetupAsync($xero_tenant_id$setup)
+    public function postSetupAsync($xero_tenant_id, $setup)
     {
-        return $this->postSetupAsyncWithHttpInfo($xero_tenant_id$setup)
+        return $this->postSetupAsyncWithHttpInfo($xero_tenant_id, $setup)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -50532,10 +50532,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Setup $setup Object including an accounts array, a conversion balances array and a conversion date object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function postSetupAsyncWithHttpInfo($xero_tenant_id$setup)
+    public function postSetupAsyncWithHttpInfo($xero_tenant_id, $setup)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ImportSummaryObject';
-        $request = $this->postSetupRequest($xero_tenant_id$setup);
+        $request = $this->postSetupRequest($xero_tenant_id, $setup);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -50575,7 +50575,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Setup $setup Object including an accounts array, a conversion balances array and a conversion date object in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function postSetupRequest($xero_tenant_id$setup)
+    protected function postSetupRequest($xero_tenant_id, $setup)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -50672,9 +50672,9 @@ protected function postSetupRequest($xero_tenant_id$setup)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Accounts|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateAccount($xero_tenant_id$account_id$accounts)
+    public function updateAccount($xero_tenant_id, $account_id, $accounts)
     {
-        list($response) = $this->updateAccountWithHttpInfo($xero_tenant_id$account_id$accounts);
+        list($response) = $this->updateAccountWithHttpInfo($xero_tenant_id, $account_id, $accounts);
         return $response;
     }
     /**
@@ -50687,9 +50687,9 @@ public function updateAccount($xero_tenant_id$account_id$accounts)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Accounts|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateAccountWithHttpInfo($xero_tenant_id$account_id$accounts)
+    public function updateAccountWithHttpInfo($xero_tenant_id, $account_id, $accounts)
     {
-        $request = $this->updateAccountRequest($xero_tenant_id$account_id$accounts);
+        $request = $this->updateAccountRequest($xero_tenant_id, $account_id, $accounts);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -50783,9 +50783,9 @@ public function updateAccountWithHttpInfo($xero_tenant_id$account_id$accounts)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateAccountAsync($xero_tenant_id$account_id$accounts)
+    public function updateAccountAsync($xero_tenant_id, $account_id, $accounts)
     {
-        return $this->updateAccountAsyncWithHttpInfo($xero_tenant_id$account_id$accounts)
+        return $this->updateAccountAsyncWithHttpInfo($xero_tenant_id, $account_id, $accounts)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -50800,10 +50800,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Accounts $accounts Request of type Accounts array with one Account (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateAccountAsyncWithHttpInfo($xero_tenant_id$account_id$accounts)
+    public function updateAccountAsyncWithHttpInfo($xero_tenant_id, $account_id, $accounts)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Accounts';
-        $request = $this->updateAccountRequest($xero_tenant_id$account_id$accounts);
+        $request = $this->updateAccountRequest($xero_tenant_id, $account_id, $accounts);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -50844,7 +50844,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Accounts $accounts Request of type Accounts array with one Account (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateAccountRequest($xero_tenant_id$account_id$accounts)
+    protected function updateAccountRequest($xero_tenant_id, $account_id, $accounts)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -50956,9 +50956,9 @@ protected function updateAccountRequest($xero_tenant_id$account_id$accounts)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateAccountAttachmentByFileName($xero_tenant_id$account_id$file_name$body)
+    public function updateAccountAttachmentByFileName($xero_tenant_id, $account_id, $file_name, $body)
     {
-        list($response) = $this->updateAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id$account_id$file_name$body);
+        list($response) = $this->updateAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id, $account_id, $file_name, $body);
         return $response;
     }
     /**
@@ -50972,9 +50972,9 @@ public function updateAccountAttachmentByFileName($xero_tenant_id$account_id$fil
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id$account_id$file_name$body)
+    public function updateAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id, $account_id, $file_name, $body)
     {
-        $request = $this->updateAccountAttachmentByFileNameRequest($xero_tenant_id$account_id$file_name$body);
+        $request = $this->updateAccountAttachmentByFileNameRequest($xero_tenant_id, $account_id, $file_name, $body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -51069,9 +51069,9 @@ public function updateAccountAttachmentByFileNameWithHttpInfo($xero_tenant_id$ac
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateAccountAttachmentByFileNameAsync($xero_tenant_id$account_id$file_name$body)
+    public function updateAccountAttachmentByFileNameAsync($xero_tenant_id, $account_id, $file_name, $body)
     {
-        return $this->updateAccountAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$account_id$file_name$body)
+        return $this->updateAccountAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $account_id, $file_name, $body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -51087,10 +51087,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateAccountAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$account_id$file_name$body)
+    public function updateAccountAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $account_id, $file_name, $body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->updateAccountAttachmentByFileNameRequest($xero_tenant_id$account_id$file_name$body);
+        $request = $this->updateAccountAttachmentByFileNameRequest($xero_tenant_id, $account_id, $file_name, $body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -51132,7 +51132,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateAccountAttachmentByFileNameRequest($xero_tenant_id$account_id$file_name$body)
+    protected function updateAccountAttachmentByFileNameRequest($xero_tenant_id, $account_id, $file_name, $body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -51258,9 +51258,9 @@ protected function updateAccountAttachmentByFileNameRequest($xero_tenant_id$acco
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\BankTransactions|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateBankTransaction($xero_tenant_id$bank_transaction_id$bank_transactions$unitdp = null)
+    public function updateBankTransaction($xero_tenant_id, $bank_transaction_id, $bank_transactions, $unitdp = null)
     {
-        list($response) = $this->updateBankTransactionWithHttpInfo($xero_tenant_id$bank_transaction_id$bank_transactions$unitdp);
+        list($response) = $this->updateBankTransactionWithHttpInfo($xero_tenant_id, $bank_transaction_id, $bank_transactions, $unitdp);
         return $response;
     }
     /**
@@ -51274,9 +51274,9 @@ public function updateBankTransaction($xero_tenant_id$bank_transaction_id$bank_t
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\BankTransactions|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateBankTransactionWithHttpInfo($xero_tenant_id$bank_transaction_id$bank_transactions$unitdp = null)
+    public function updateBankTransactionWithHttpInfo($xero_tenant_id, $bank_transaction_id, $bank_transactions, $unitdp = null)
     {
-        $request = $this->updateBankTransactionRequest($xero_tenant_id$bank_transaction_id$bank_transactions$unitdp);
+        $request = $this->updateBankTransactionRequest($xero_tenant_id, $bank_transaction_id, $bank_transactions, $unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -51371,9 +51371,9 @@ public function updateBankTransactionWithHttpInfo($xero_tenant_id$bank_transacti
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateBankTransactionAsync($xero_tenant_id$bank_transaction_id$bank_transactions$unitdp = null)
+    public function updateBankTransactionAsync($xero_tenant_id, $bank_transaction_id, $bank_transactions, $unitdp = null)
     {
-        return $this->updateBankTransactionAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$bank_transactions$unitdp)
+        return $this->updateBankTransactionAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $bank_transactions, $unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -51389,10 +51389,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateBankTransactionAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$bank_transactions$unitdp = null)
+    public function updateBankTransactionAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $bank_transactions, $unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\BankTransactions';
-        $request = $this->updateBankTransactionRequest($xero_tenant_id$bank_transaction_id$bank_transactions$unitdp);
+        $request = $this->updateBankTransactionRequest($xero_tenant_id, $bank_transaction_id, $bank_transactions, $unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -51434,7 +51434,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateBankTransactionRequest($xero_tenant_id$bank_transaction_id$bank_transactions$unitdp = null)
+    protected function updateBankTransactionRequest($xero_tenant_id, $bank_transaction_id, $bank_transactions, $unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -51550,9 +51550,9 @@ protected function updateBankTransactionRequest($xero_tenant_id$bank_transaction
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateBankTransactionAttachmentByFileName($xero_tenant_id$bank_transaction_id$file_name$body)
+    public function updateBankTransactionAttachmentByFileName($xero_tenant_id, $bank_transaction_id, $file_name, $body)
     {
-        list($response) = $this->updateBankTransactionAttachmentByFileNameWithHttpInfo($xero_tenant_id$bank_transaction_id$file_name$body);
+        list($response) = $this->updateBankTransactionAttachmentByFileNameWithHttpInfo($xero_tenant_id, $bank_transaction_id, $file_name, $body);
         return $response;
     }
     /**
@@ -51566,9 +51566,9 @@ public function updateBankTransactionAttachmentByFileName($xero_tenant_id$bank_t
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateBankTransactionAttachmentByFileNameWithHttpInfo($xero_tenant_id$bank_transaction_id$file_name$body)
+    public function updateBankTransactionAttachmentByFileNameWithHttpInfo($xero_tenant_id, $bank_transaction_id, $file_name, $body)
     {
-        $request = $this->updateBankTransactionAttachmentByFileNameRequest($xero_tenant_id$bank_transaction_id$file_name$body);
+        $request = $this->updateBankTransactionAttachmentByFileNameRequest($xero_tenant_id, $bank_transaction_id, $file_name, $body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -51663,9 +51663,9 @@ public function updateBankTransactionAttachmentByFileNameWithHttpInfo($xero_tena
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateBankTransactionAttachmentByFileNameAsync($xero_tenant_id$bank_transaction_id$file_name$body)
+    public function updateBankTransactionAttachmentByFileNameAsync($xero_tenant_id, $bank_transaction_id, $file_name, $body)
     {
-        return $this->updateBankTransactionAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$file_name$body)
+        return $this->updateBankTransactionAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $file_name, $body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -51681,10 +51681,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateBankTransactionAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$bank_transaction_id$file_name$body)
+    public function updateBankTransactionAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $bank_transaction_id, $file_name, $body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->updateBankTransactionAttachmentByFileNameRequest($xero_tenant_id$bank_transaction_id$file_name$body);
+        $request = $this->updateBankTransactionAttachmentByFileNameRequest($xero_tenant_id, $bank_transaction_id, $file_name, $body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -51726,7 +51726,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateBankTransactionAttachmentByFileNameRequest($xero_tenant_id$bank_transaction_id$file_name$body)
+    protected function updateBankTransactionAttachmentByFileNameRequest($xero_tenant_id, $bank_transaction_id, $file_name, $body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -51851,9 +51851,9 @@ protected function updateBankTransactionAttachmentByFileNameRequest($xero_tenant
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateBankTransferAttachmentByFileName($xero_tenant_id$bank_transfer_id$file_name$body)
+    public function updateBankTransferAttachmentByFileName($xero_tenant_id, $bank_transfer_id, $file_name, $body)
     {
-        list($response) = $this->updateBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_id$bank_transfer_id$file_name$body);
+        list($response) = $this->updateBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_id, $bank_transfer_id, $file_name, $body);
         return $response;
     }
     /**
@@ -51866,9 +51866,9 @@ public function updateBankTransferAttachmentByFileName($xero_tenant_id$bank_tran
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_id$bank_transfer_id$file_name$body)
+    public function updateBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_id, $bank_transfer_id, $file_name, $body)
     {
-        $request = $this->updateBankTransferAttachmentByFileNameRequest($xero_tenant_id$bank_transfer_id$file_name$body);
+        $request = $this->updateBankTransferAttachmentByFileNameRequest($xero_tenant_id, $bank_transfer_id, $file_name, $body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -51963,9 +51963,9 @@ public function updateBankTransferAttachmentByFileNameWithHttpInfo($xero_tenant_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateBankTransferAttachmentByFileNameAsync($xero_tenant_id$bank_transfer_id$file_name$body)
+    public function updateBankTransferAttachmentByFileNameAsync($xero_tenant_id, $bank_transfer_id, $file_name, $body)
     {
-        return $this->updateBankTransferAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id$file_name$body)
+        return $this->updateBankTransferAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id, $file_name, $body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -51981,10 +51981,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateBankTransferAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$bank_transfer_id$file_name$body)
+    public function updateBankTransferAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $bank_transfer_id, $file_name, $body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->updateBankTransferAttachmentByFileNameRequest($xero_tenant_id$bank_transfer_id$file_name$body);
+        $request = $this->updateBankTransferAttachmentByFileNameRequest($xero_tenant_id, $bank_transfer_id, $file_name, $body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -52026,7 +52026,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateBankTransferAttachmentByFileNameRequest($xero_tenant_id$bank_transfer_id$file_name$body)
+    protected function updateBankTransferAttachmentByFileNameRequest($xero_tenant_id, $bank_transfer_id, $file_name, $body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -52151,9 +52151,9 @@ protected function updateBankTransferAttachmentByFileNameRequest($xero_tenant_id
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Contacts|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateContact($xero_tenant_id$contact_id$contacts)
+    public function updateContact($xero_tenant_id, $contact_id, $contacts)
     {
-        list($response) = $this->updateContactWithHttpInfo($xero_tenant_id$contact_id$contacts);
+        list($response) = $this->updateContactWithHttpInfo($xero_tenant_id, $contact_id, $contacts);
         return $response;
     }
     /**
@@ -52166,9 +52166,9 @@ public function updateContact($xero_tenant_id$contact_id$contacts)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Contacts|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateContactWithHttpInfo($xero_tenant_id$contact_id$contacts)
+    public function updateContactWithHttpInfo($xero_tenant_id, $contact_id, $contacts)
     {
-        $request = $this->updateContactRequest($xero_tenant_id$contact_id$contacts);
+        $request = $this->updateContactRequest($xero_tenant_id, $contact_id, $contacts);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -52262,9 +52262,9 @@ public function updateContactWithHttpInfo($xero_tenant_id$contact_id$contacts)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateContactAsync($xero_tenant_id$contact_id$contacts)
+    public function updateContactAsync($xero_tenant_id, $contact_id, $contacts)
     {
-        return $this->updateContactAsyncWithHttpInfo($xero_tenant_id$contact_id$contacts)
+        return $this->updateContactAsyncWithHttpInfo($xero_tenant_id, $contact_id, $contacts)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -52279,10 +52279,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Contacts $contacts an array of Contacts containing single Contact object with properties to update (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateContactAsyncWithHttpInfo($xero_tenant_id$contact_id$contacts)
+    public function updateContactAsyncWithHttpInfo($xero_tenant_id, $contact_id, $contacts)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Contacts';
-        $request = $this->updateContactRequest($xero_tenant_id$contact_id$contacts);
+        $request = $this->updateContactRequest($xero_tenant_id, $contact_id, $contacts);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -52323,7 +52323,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Contacts $contacts an array of Contacts containing single Contact object with properties to update (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateContactRequest($xero_tenant_id$contact_id$contacts)
+    protected function updateContactRequest($xero_tenant_id, $contact_id, $contacts)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -52434,9 +52434,9 @@ protected function updateContactRequest($xero_tenant_id$contact_id$contacts)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateContactAttachmentByFileName($xero_tenant_id$contact_id$file_name$body)
+    public function updateContactAttachmentByFileName($xero_tenant_id, $contact_id, $file_name, $body)
     {
-        list($response) = $this->updateContactAttachmentByFileNameWithHttpInfo($xero_tenant_id$contact_id$file_name$body);
+        list($response) = $this->updateContactAttachmentByFileNameWithHttpInfo($xero_tenant_id, $contact_id, $file_name, $body);
         return $response;
     }
     /**
@@ -52449,9 +52449,9 @@ public function updateContactAttachmentByFileName($xero_tenant_id$contact_id$fil
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateContactAttachmentByFileNameWithHttpInfo($xero_tenant_id$contact_id$file_name$body)
+    public function updateContactAttachmentByFileNameWithHttpInfo($xero_tenant_id, $contact_id, $file_name, $body)
     {
-        $request = $this->updateContactAttachmentByFileNameRequest($xero_tenant_id$contact_id$file_name$body);
+        $request = $this->updateContactAttachmentByFileNameRequest($xero_tenant_id, $contact_id, $file_name, $body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -52546,9 +52546,9 @@ public function updateContactAttachmentByFileNameWithHttpInfo($xero_tenant_id$co
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateContactAttachmentByFileNameAsync($xero_tenant_id$contact_id$file_name$body)
+    public function updateContactAttachmentByFileNameAsync($xero_tenant_id, $contact_id, $file_name, $body)
     {
-        return $this->updateContactAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$contact_id$file_name$body)
+        return $this->updateContactAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $contact_id, $file_name, $body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -52564,10 +52564,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateContactAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$contact_id$file_name$body)
+    public function updateContactAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $contact_id, $file_name, $body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->updateContactAttachmentByFileNameRequest($xero_tenant_id$contact_id$file_name$body);
+        $request = $this->updateContactAttachmentByFileNameRequest($xero_tenant_id, $contact_id, $file_name, $body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -52609,7 +52609,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateContactAttachmentByFileNameRequest($xero_tenant_id$contact_id$file_name$body)
+    protected function updateContactAttachmentByFileNameRequest($xero_tenant_id, $contact_id, $file_name, $body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -52734,9 +52734,9 @@ protected function updateContactAttachmentByFileNameRequest($xero_tenant_id$cont
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ContactGroups|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateContactGroup($xero_tenant_id$contact_group_id$contact_groups)
+    public function updateContactGroup($xero_tenant_id, $contact_group_id, $contact_groups)
     {
-        list($response) = $this->updateContactGroupWithHttpInfo($xero_tenant_id$contact_group_id$contact_groups);
+        list($response) = $this->updateContactGroupWithHttpInfo($xero_tenant_id, $contact_group_id, $contact_groups);
         return $response;
     }
     /**
@@ -52749,9 +52749,9 @@ public function updateContactGroup($xero_tenant_id$contact_group_id$contact_grou
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ContactGroups|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateContactGroupWithHttpInfo($xero_tenant_id$contact_group_id$contact_groups)
+    public function updateContactGroupWithHttpInfo($xero_tenant_id, $contact_group_id, $contact_groups)
     {
-        $request = $this->updateContactGroupRequest($xero_tenant_id$contact_group_id$contact_groups);
+        $request = $this->updateContactGroupRequest($xero_tenant_id, $contact_group_id, $contact_groups);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -52845,9 +52845,9 @@ public function updateContactGroupWithHttpInfo($xero_tenant_id$contact_group_id$
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateContactGroupAsync($xero_tenant_id$contact_group_id$contact_groups)
+    public function updateContactGroupAsync($xero_tenant_id, $contact_group_id, $contact_groups)
     {
-        return $this->updateContactGroupAsyncWithHttpInfo($xero_tenant_id$contact_group_id$contact_groups)
+        return $this->updateContactGroupAsyncWithHttpInfo($xero_tenant_id, $contact_group_id, $contact_groups)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -52862,10 +52862,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\ContactGroups $contact_groups an array of Contact groups with Name of specific group to update (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateContactGroupAsyncWithHttpInfo($xero_tenant_id$contact_group_id$contact_groups)
+    public function updateContactGroupAsyncWithHttpInfo($xero_tenant_id, $contact_group_id, $contact_groups)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ContactGroups';
-        $request = $this->updateContactGroupRequest($xero_tenant_id$contact_group_id$contact_groups);
+        $request = $this->updateContactGroupRequest($xero_tenant_id, $contact_group_id, $contact_groups);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -52906,7 +52906,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\ContactGroups $contact_groups an array of Contact groups with Name of specific group to update (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateContactGroupRequest($xero_tenant_id$contact_group_id$contact_groups)
+    protected function updateContactGroupRequest($xero_tenant_id, $contact_group_id, $contact_groups)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -53018,9 +53018,9 @@ protected function updateContactGroupRequest($xero_tenant_id$contact_group_id$co
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\CreditNotes|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateCreditNote($xero_tenant_id$credit_note_id$credit_notes$unitdp = null)
+    public function updateCreditNote($xero_tenant_id, $credit_note_id, $credit_notes, $unitdp = null)
     {
-        list($response) = $this->updateCreditNoteWithHttpInfo($xero_tenant_id$credit_note_id$credit_notes$unitdp);
+        list($response) = $this->updateCreditNoteWithHttpInfo($xero_tenant_id, $credit_note_id, $credit_notes, $unitdp);
         return $response;
     }
     /**
@@ -53034,9 +53034,9 @@ public function updateCreditNote($xero_tenant_id$credit_note_id$credit_notes$uni
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\CreditNotes|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateCreditNoteWithHttpInfo($xero_tenant_id$credit_note_id$credit_notes$unitdp = null)
+    public function updateCreditNoteWithHttpInfo($xero_tenant_id, $credit_note_id, $credit_notes, $unitdp = null)
     {
-        $request = $this->updateCreditNoteRequest($xero_tenant_id$credit_note_id$credit_notes$unitdp);
+        $request = $this->updateCreditNoteRequest($xero_tenant_id, $credit_note_id, $credit_notes, $unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -53131,9 +53131,9 @@ public function updateCreditNoteWithHttpInfo($xero_tenant_id$credit_note_id$cred
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateCreditNoteAsync($xero_tenant_id$credit_note_id$credit_notes$unitdp = null)
+    public function updateCreditNoteAsync($xero_tenant_id, $credit_note_id, $credit_notes, $unitdp = null)
     {
-        return $this->updateCreditNoteAsyncWithHttpInfo($xero_tenant_id$credit_note_id$credit_notes$unitdp)
+        return $this->updateCreditNoteAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $credit_notes, $unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -53149,10 +53149,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateCreditNoteAsyncWithHttpInfo($xero_tenant_id$credit_note_id$credit_notes$unitdp = null)
+    public function updateCreditNoteAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $credit_notes, $unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\CreditNotes';
-        $request = $this->updateCreditNoteRequest($xero_tenant_id$credit_note_id$credit_notes$unitdp);
+        $request = $this->updateCreditNoteRequest($xero_tenant_id, $credit_note_id, $credit_notes, $unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -53194,7 +53194,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateCreditNoteRequest($xero_tenant_id$credit_note_id$credit_notes$unitdp = null)
+    protected function updateCreditNoteRequest($xero_tenant_id, $credit_note_id, $credit_notes, $unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -53310,9 +53310,9 @@ protected function updateCreditNoteRequest($xero_tenant_id$credit_note_id$credit
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateCreditNoteAttachmentByFileName($xero_tenant_id$credit_note_id$file_name$body)
+    public function updateCreditNoteAttachmentByFileName($xero_tenant_id, $credit_note_id, $file_name, $body)
     {
-        list($response) = $this->updateCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$credit_note_id$file_name$body);
+        list($response) = $this->updateCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $credit_note_id, $file_name, $body);
         return $response;
     }
     /**
@@ -53326,9 +53326,9 @@ public function updateCreditNoteAttachmentByFileName($xero_tenant_id$credit_note
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$credit_note_id$file_name$body)
+    public function updateCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $credit_note_id, $file_name, $body)
     {
-        $request = $this->updateCreditNoteAttachmentByFileNameRequest($xero_tenant_id$credit_note_id$file_name$body);
+        $request = $this->updateCreditNoteAttachmentByFileNameRequest($xero_tenant_id, $credit_note_id, $file_name, $body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -53423,9 +53423,9 @@ public function updateCreditNoteAttachmentByFileNameWithHttpInfo($xero_tenant_id
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateCreditNoteAttachmentByFileNameAsync($xero_tenant_id$credit_note_id$file_name$body)
+    public function updateCreditNoteAttachmentByFileNameAsync($xero_tenant_id, $credit_note_id, $file_name, $body)
     {
-        return $this->updateCreditNoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$credit_note_id$file_name$body)
+        return $this->updateCreditNoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $file_name, $body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -53441,10 +53441,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateCreditNoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$credit_note_id$file_name$body)
+    public function updateCreditNoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $credit_note_id, $file_name, $body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->updateCreditNoteAttachmentByFileNameRequest($xero_tenant_id$credit_note_id$file_name$body);
+        $request = $this->updateCreditNoteAttachmentByFileNameRequest($xero_tenant_id, $credit_note_id, $file_name, $body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -53486,7 +53486,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateCreditNoteAttachmentByFileNameRequest($xero_tenant_id$credit_note_id$file_name$body)
+    protected function updateCreditNoteAttachmentByFileNameRequest($xero_tenant_id, $credit_note_id, $file_name, $body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -53611,9 +53611,9 @@ protected function updateCreditNoteAttachmentByFileNameRequest($xero_tenant_id$c
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateExpenseClaim($xero_tenant_id$expense_claim_id$expense_claims)
+    public function updateExpenseClaim($xero_tenant_id, $expense_claim_id, $expense_claims)
     {
-        list($response) = $this->updateExpenseClaimWithHttpInfo($xero_tenant_id$expense_claim_id$expense_claims);
+        list($response) = $this->updateExpenseClaimWithHttpInfo($xero_tenant_id, $expense_claim_id, $expense_claims);
         return $response;
     }
     /**
@@ -53626,9 +53626,9 @@ public function updateExpenseClaim($xero_tenant_id$expense_claim_id$expense_clai
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateExpenseClaimWithHttpInfo($xero_tenant_id$expense_claim_id$expense_claims)
+    public function updateExpenseClaimWithHttpInfo($xero_tenant_id, $expense_claim_id, $expense_claims)
     {
-        $request = $this->updateExpenseClaimRequest($xero_tenant_id$expense_claim_id$expense_claims);
+        $request = $this->updateExpenseClaimRequest($xero_tenant_id, $expense_claim_id, $expense_claims);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -53722,9 +53722,9 @@ public function updateExpenseClaimWithHttpInfo($xero_tenant_id$expense_claim_id$
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateExpenseClaimAsync($xero_tenant_id$expense_claim_id$expense_claims)
+    public function updateExpenseClaimAsync($xero_tenant_id, $expense_claim_id, $expense_claims)
     {
-        return $this->updateExpenseClaimAsyncWithHttpInfo($xero_tenant_id$expense_claim_id$expense_claims)
+        return $this->updateExpenseClaimAsyncWithHttpInfo($xero_tenant_id, $expense_claim_id, $expense_claims)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -53739,10 +53739,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims $expense_claims (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateExpenseClaimAsyncWithHttpInfo($xero_tenant_id$expense_claim_id$expense_claims)
+    public function updateExpenseClaimAsyncWithHttpInfo($xero_tenant_id, $expense_claim_id, $expense_claims)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims';
-        $request = $this->updateExpenseClaimRequest($xero_tenant_id$expense_claim_id$expense_claims);
+        $request = $this->updateExpenseClaimRequest($xero_tenant_id, $expense_claim_id, $expense_claims);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -53783,7 +53783,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\ExpenseClaims $expense_claims (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateExpenseClaimRequest($xero_tenant_id$expense_claim_id$expense_claims)
+    protected function updateExpenseClaimRequest($xero_tenant_id, $expense_claim_id, $expense_claims)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -53895,9 +53895,9 @@ protected function updateExpenseClaimRequest($xero_tenant_id$expense_claim_id$ex
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Invoices|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateInvoice($xero_tenant_id$invoice_id$invoices$unitdp = null)
+    public function updateInvoice($xero_tenant_id, $invoice_id, $invoices, $unitdp = null)
     {
-        list($response) = $this->updateInvoiceWithHttpInfo($xero_tenant_id$invoice_id$invoices$unitdp);
+        list($response) = $this->updateInvoiceWithHttpInfo($xero_tenant_id, $invoice_id, $invoices, $unitdp);
         return $response;
     }
     /**
@@ -53911,9 +53911,9 @@ public function updateInvoice($xero_tenant_id$invoice_id$invoices$unitdp = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Invoices|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateInvoiceWithHttpInfo($xero_tenant_id$invoice_id$invoices$unitdp = null)
+    public function updateInvoiceWithHttpInfo($xero_tenant_id, $invoice_id, $invoices, $unitdp = null)
     {
-        $request = $this->updateInvoiceRequest($xero_tenant_id$invoice_id$invoices$unitdp);
+        $request = $this->updateInvoiceRequest($xero_tenant_id, $invoice_id, $invoices, $unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -54008,9 +54008,9 @@ public function updateInvoiceWithHttpInfo($xero_tenant_id$invoice_id$invoices$un
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateInvoiceAsync($xero_tenant_id$invoice_id$invoices$unitdp = null)
+    public function updateInvoiceAsync($xero_tenant_id, $invoice_id, $invoices, $unitdp = null)
     {
-        return $this->updateInvoiceAsyncWithHttpInfo($xero_tenant_id$invoice_id$invoices$unitdp)
+        return $this->updateInvoiceAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $invoices, $unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -54026,10 +54026,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateInvoiceAsyncWithHttpInfo($xero_tenant_id$invoice_id$invoices$unitdp = null)
+    public function updateInvoiceAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $invoices, $unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Invoices';
-        $request = $this->updateInvoiceRequest($xero_tenant_id$invoice_id$invoices$unitdp);
+        $request = $this->updateInvoiceRequest($xero_tenant_id, $invoice_id, $invoices, $unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -54071,7 +54071,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateInvoiceRequest($xero_tenant_id$invoice_id$invoices$unitdp = null)
+    protected function updateInvoiceRequest($xero_tenant_id, $invoice_id, $invoices, $unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -54187,9 +54187,9 @@ protected function updateInvoiceRequest($xero_tenant_id$invoice_id$invoices$unit
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateInvoiceAttachmentByFileName($xero_tenant_id$invoice_id$file_name$body)
+    public function updateInvoiceAttachmentByFileName($xero_tenant_id, $invoice_id, $file_name, $body)
     {
-        list($response) = $this->updateInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id$invoice_id$file_name$body);
+        list($response) = $this->updateInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id, $invoice_id, $file_name, $body);
         return $response;
     }
     /**
@@ -54203,9 +54203,9 @@ public function updateInvoiceAttachmentByFileName($xero_tenant_id$invoice_id$fil
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id$invoice_id$file_name$body)
+    public function updateInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id, $invoice_id, $file_name, $body)
     {
-        $request = $this->updateInvoiceAttachmentByFileNameRequest($xero_tenant_id$invoice_id$file_name$body);
+        $request = $this->updateInvoiceAttachmentByFileNameRequest($xero_tenant_id, $invoice_id, $file_name, $body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -54300,9 +54300,9 @@ public function updateInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id$in
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateInvoiceAttachmentByFileNameAsync($xero_tenant_id$invoice_id$file_name$body)
+    public function updateInvoiceAttachmentByFileNameAsync($xero_tenant_id, $invoice_id, $file_name, $body)
     {
-        return $this->updateInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$invoice_id$file_name$body)
+        return $this->updateInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $file_name, $body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -54318,10 +54318,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$invoice_id$file_name$body)
+    public function updateInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $invoice_id, $file_name, $body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->updateInvoiceAttachmentByFileNameRequest($xero_tenant_id$invoice_id$file_name$body);
+        $request = $this->updateInvoiceAttachmentByFileNameRequest($xero_tenant_id, $invoice_id, $file_name, $body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -54363,7 +54363,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateInvoiceAttachmentByFileNameRequest($xero_tenant_id$invoice_id$file_name$body)
+    protected function updateInvoiceAttachmentByFileNameRequest($xero_tenant_id, $invoice_id, $file_name, $body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -54489,9 +54489,9 @@ protected function updateInvoiceAttachmentByFileNameRequest($xero_tenant_id$invo
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Items|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateItem($xero_tenant_id$item_id$items$unitdp = null)
+    public function updateItem($xero_tenant_id, $item_id, $items, $unitdp = null)
     {
-        list($response) = $this->updateItemWithHttpInfo($xero_tenant_id$item_id$items$unitdp);
+        list($response) = $this->updateItemWithHttpInfo($xero_tenant_id, $item_id, $items, $unitdp);
         return $response;
     }
     /**
@@ -54505,9 +54505,9 @@ public function updateItem($xero_tenant_id$item_id$items$unitdp = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Items|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateItemWithHttpInfo($xero_tenant_id$item_id$items$unitdp = null)
+    public function updateItemWithHttpInfo($xero_tenant_id, $item_id, $items, $unitdp = null)
     {
-        $request = $this->updateItemRequest($xero_tenant_id$item_id$items$unitdp);
+        $request = $this->updateItemRequest($xero_tenant_id, $item_id, $items, $unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -54602,9 +54602,9 @@ public function updateItemWithHttpInfo($xero_tenant_id$item_id$items$unitdp = nu
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateItemAsync($xero_tenant_id$item_id$items$unitdp = null)
+    public function updateItemAsync($xero_tenant_id, $item_id, $items, $unitdp = null)
     {
-        return $this->updateItemAsyncWithHttpInfo($xero_tenant_id$item_id$items$unitdp)
+        return $this->updateItemAsyncWithHttpInfo($xero_tenant_id, $item_id, $items, $unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -54620,10 +54620,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateItemAsyncWithHttpInfo($xero_tenant_id$item_id$items$unitdp = null)
+    public function updateItemAsyncWithHttpInfo($xero_tenant_id, $item_id, $items, $unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Items';
-        $request = $this->updateItemRequest($xero_tenant_id$item_id$items$unitdp);
+        $request = $this->updateItemRequest($xero_tenant_id, $item_id, $items, $unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -54665,7 +54665,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateItemRequest($xero_tenant_id$item_id$items$unitdp = null)
+    protected function updateItemRequest($xero_tenant_id, $item_id, $items, $unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -54780,9 +54780,9 @@ protected function updateItemRequest($xero_tenant_id$item_id$items$unitdp = null
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateLinkedTransaction($xero_tenant_id$linked_transaction_id$linked_transactions)
+    public function updateLinkedTransaction($xero_tenant_id, $linked_transaction_id, $linked_transactions)
     {
-        list($response) = $this->updateLinkedTransactionWithHttpInfo($xero_tenant_id$linked_transaction_id$linked_transactions);
+        list($response) = $this->updateLinkedTransactionWithHttpInfo($xero_tenant_id, $linked_transaction_id, $linked_transactions);
         return $response;
     }
     /**
@@ -54795,9 +54795,9 @@ public function updateLinkedTransaction($xero_tenant_id$linked_transaction_id$li
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateLinkedTransactionWithHttpInfo($xero_tenant_id$linked_transaction_id$linked_transactions)
+    public function updateLinkedTransactionWithHttpInfo($xero_tenant_id, $linked_transaction_id, $linked_transactions)
     {
-        $request = $this->updateLinkedTransactionRequest($xero_tenant_id$linked_transaction_id$linked_transactions);
+        $request = $this->updateLinkedTransactionRequest($xero_tenant_id, $linked_transaction_id, $linked_transactions);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -54891,9 +54891,9 @@ public function updateLinkedTransactionWithHttpInfo($xero_tenant_id$linked_trans
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateLinkedTransactionAsync($xero_tenant_id$linked_transaction_id$linked_transactions)
+    public function updateLinkedTransactionAsync($xero_tenant_id, $linked_transaction_id, $linked_transactions)
     {
-        return $this->updateLinkedTransactionAsyncWithHttpInfo($xero_tenant_id$linked_transaction_id$linked_transactions)
+        return $this->updateLinkedTransactionAsyncWithHttpInfo($xero_tenant_id, $linked_transaction_id, $linked_transactions)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -54908,10 +54908,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions $linked_transactions (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateLinkedTransactionAsyncWithHttpInfo($xero_tenant_id$linked_transaction_id$linked_transactions)
+    public function updateLinkedTransactionAsyncWithHttpInfo($xero_tenant_id, $linked_transaction_id, $linked_transactions)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions';
-        $request = $this->updateLinkedTransactionRequest($xero_tenant_id$linked_transaction_id$linked_transactions);
+        $request = $this->updateLinkedTransactionRequest($xero_tenant_id, $linked_transaction_id, $linked_transactions);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -54952,7 +54952,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\LinkedTransactions $linked_transactions (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateLinkedTransactionRequest($xero_tenant_id$linked_transaction_id$linked_transactions)
+    protected function updateLinkedTransactionRequest($xero_tenant_id, $linked_transaction_id, $linked_transactions)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -55063,9 +55063,9 @@ protected function updateLinkedTransactionRequest($xero_tenant_id$linked_transac
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ManualJournals|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateManualJournal($xero_tenant_id$manual_journal_id$manual_journals)
+    public function updateManualJournal($xero_tenant_id, $manual_journal_id, $manual_journals)
     {
-        list($response) = $this->updateManualJournalWithHttpInfo($xero_tenant_id$manual_journal_id$manual_journals);
+        list($response) = $this->updateManualJournalWithHttpInfo($xero_tenant_id, $manual_journal_id, $manual_journals);
         return $response;
     }
     /**
@@ -55078,9 +55078,9 @@ public function updateManualJournal($xero_tenant_id$manual_journal_id$manual_jou
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ManualJournals|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateManualJournalWithHttpInfo($xero_tenant_id$manual_journal_id$manual_journals)
+    public function updateManualJournalWithHttpInfo($xero_tenant_id, $manual_journal_id, $manual_journals)
     {
-        $request = $this->updateManualJournalRequest($xero_tenant_id$manual_journal_id$manual_journals);
+        $request = $this->updateManualJournalRequest($xero_tenant_id, $manual_journal_id, $manual_journals);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -55174,9 +55174,9 @@ public function updateManualJournalWithHttpInfo($xero_tenant_id$manual_journal_i
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateManualJournalAsync($xero_tenant_id$manual_journal_id$manual_journals)
+    public function updateManualJournalAsync($xero_tenant_id, $manual_journal_id, $manual_journals)
     {
-        return $this->updateManualJournalAsyncWithHttpInfo($xero_tenant_id$manual_journal_id$manual_journals)
+        return $this->updateManualJournalAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id, $manual_journals)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -55191,10 +55191,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\ManualJournals $manual_journals (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateManualJournalAsyncWithHttpInfo($xero_tenant_id$manual_journal_id$manual_journals)
+    public function updateManualJournalAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id, $manual_journals)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ManualJournals';
-        $request = $this->updateManualJournalRequest($xero_tenant_id$manual_journal_id$manual_journals);
+        $request = $this->updateManualJournalRequest($xero_tenant_id, $manual_journal_id, $manual_journals);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -55235,7 +55235,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\ManualJournals $manual_journals (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateManualJournalRequest($xero_tenant_id$manual_journal_id$manual_journals)
+    protected function updateManualJournalRequest($xero_tenant_id, $manual_journal_id, $manual_journals)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -55347,9 +55347,9 @@ protected function updateManualJournalRequest($xero_tenant_id$manual_journal_id$
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateManualJournalAttachmentByFileName($xero_tenant_id$manual_journal_id$file_name$body)
+    public function updateManualJournalAttachmentByFileName($xero_tenant_id, $manual_journal_id, $file_name, $body)
     {
-        list($response) = $this->updateManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant_id$manual_journal_id$file_name$body);
+        list($response) = $this->updateManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant_id, $manual_journal_id, $file_name, $body);
         return $response;
     }
     /**
@@ -55363,9 +55363,9 @@ public function updateManualJournalAttachmentByFileName($xero_tenant_id$manual_j
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant_id$manual_journal_id$file_name$body)
+    public function updateManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant_id, $manual_journal_id, $file_name, $body)
     {
-        $request = $this->updateManualJournalAttachmentByFileNameRequest($xero_tenant_id$manual_journal_id$file_name$body);
+        $request = $this->updateManualJournalAttachmentByFileNameRequest($xero_tenant_id, $manual_journal_id, $file_name, $body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -55460,9 +55460,9 @@ public function updateManualJournalAttachmentByFileNameWithHttpInfo($xero_tenant
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateManualJournalAttachmentByFileNameAsync($xero_tenant_id$manual_journal_id$file_name$body)
+    public function updateManualJournalAttachmentByFileNameAsync($xero_tenant_id, $manual_journal_id, $file_name, $body)
     {
-        return $this->updateManualJournalAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$manual_journal_id$file_name$body)
+        return $this->updateManualJournalAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id, $file_name, $body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -55478,10 +55478,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateManualJournalAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$manual_journal_id$file_name$body)
+    public function updateManualJournalAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $manual_journal_id, $file_name, $body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->updateManualJournalAttachmentByFileNameRequest($xero_tenant_id$manual_journal_id$file_name$body);
+        $request = $this->updateManualJournalAttachmentByFileNameRequest($xero_tenant_id, $manual_journal_id, $file_name, $body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -55523,7 +55523,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateManualJournalAttachmentByFileNameRequest($xero_tenant_id$manual_journal_id$file_name$body)
+    protected function updateManualJournalAttachmentByFileNameRequest($xero_tenant_id, $manual_journal_id, $file_name, $body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -55649,9 +55649,9 @@ protected function updateManualJournalAttachmentByFileNameRequest($xero_tenant_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\BankTransactions|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateOrCreateBankTransactions($xero_tenant_id$bank_transactions$summarize_errors = false$unitdp = null)
+    public function updateOrCreateBankTransactions($xero_tenant_id, $bank_transactions, $summarize_errors = false, $unitdp = null)
     {
-        list($response) = $this->updateOrCreateBankTransactionsWithHttpInfo($xero_tenant_id$bank_transactions$summarize_errors$unitdp);
+        list($response) = $this->updateOrCreateBankTransactionsWithHttpInfo($xero_tenant_id, $bank_transactions, $summarize_errors, $unitdp);
         return $response;
     }
     /**
@@ -55665,9 +55665,9 @@ public function updateOrCreateBankTransactions($xero_tenant_id$bank_transactions
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\BankTransactions|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateOrCreateBankTransactionsWithHttpInfo($xero_tenant_id$bank_transactions$summarize_errors = false$unitdp = null)
+    public function updateOrCreateBankTransactionsWithHttpInfo($xero_tenant_id, $bank_transactions, $summarize_errors = false, $unitdp = null)
     {
-        $request = $this->updateOrCreateBankTransactionsRequest($xero_tenant_id$bank_transactions$summarize_errors$unitdp);
+        $request = $this->updateOrCreateBankTransactionsRequest($xero_tenant_id, $bank_transactions, $summarize_errors, $unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -55762,9 +55762,9 @@ public function updateOrCreateBankTransactionsWithHttpInfo($xero_tenant_id$bank_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateOrCreateBankTransactionsAsync($xero_tenant_id$bank_transactions$summarize_errors = false$unitdp = null)
+    public function updateOrCreateBankTransactionsAsync($xero_tenant_id, $bank_transactions, $summarize_errors = false, $unitdp = null)
     {
-        return $this->updateOrCreateBankTransactionsAsyncWithHttpInfo($xero_tenant_id$bank_transactions$summarize_errors$unitdp)
+        return $this->updateOrCreateBankTransactionsAsyncWithHttpInfo($xero_tenant_id, $bank_transactions, $summarize_errors, $unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -55780,10 +55780,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateOrCreateBankTransactionsAsyncWithHttpInfo($xero_tenant_id$bank_transactions$summarize_errors = false$unitdp = null)
+    public function updateOrCreateBankTransactionsAsyncWithHttpInfo($xero_tenant_id, $bank_transactions, $summarize_errors = false, $unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\BankTransactions';
-        $request = $this->updateOrCreateBankTransactionsRequest($xero_tenant_id$bank_transactions$summarize_errors$unitdp);
+        $request = $this->updateOrCreateBankTransactionsRequest($xero_tenant_id, $bank_transactions, $summarize_errors, $unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -55825,7 +55825,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateOrCreateBankTransactionsRequest($xero_tenant_id$bank_transactions$summarize_errors = false$unitdp = null)
+    protected function updateOrCreateBankTransactionsRequest($xero_tenant_id, $bank_transactions, $summarize_errors = false, $unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -55930,9 +55930,9 @@ protected function updateOrCreateBankTransactionsRequest($xero_tenant_id$bank_tr
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Contacts|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateOrCreateContacts($xero_tenant_id$contacts$summarize_errors = false)
+    public function updateOrCreateContacts($xero_tenant_id, $contacts, $summarize_errors = false)
     {
-        list($response) = $this->updateOrCreateContactsWithHttpInfo($xero_tenant_id$contacts$summarize_errors);
+        list($response) = $this->updateOrCreateContactsWithHttpInfo($xero_tenant_id, $contacts, $summarize_errors);
         return $response;
     }
     /**
@@ -55945,9 +55945,9 @@ public function updateOrCreateContacts($xero_tenant_id$contacts$summarize_errors
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Contacts|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateOrCreateContactsWithHttpInfo($xero_tenant_id$contacts$summarize_errors = false)
+    public function updateOrCreateContactsWithHttpInfo($xero_tenant_id, $contacts, $summarize_errors = false)
     {
-        $request = $this->updateOrCreateContactsRequest($xero_tenant_id$contacts$summarize_errors);
+        $request = $this->updateOrCreateContactsRequest($xero_tenant_id, $contacts, $summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -56041,9 +56041,9 @@ public function updateOrCreateContactsWithHttpInfo($xero_tenant_id$contacts$summ
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateOrCreateContactsAsync($xero_tenant_id$contacts$summarize_errors = false)
+    public function updateOrCreateContactsAsync($xero_tenant_id, $contacts, $summarize_errors = false)
     {
-        return $this->updateOrCreateContactsAsyncWithHttpInfo($xero_tenant_id$contacts$summarize_errors)
+        return $this->updateOrCreateContactsAsyncWithHttpInfo($xero_tenant_id, $contacts, $summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -56058,10 +56058,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateOrCreateContactsAsyncWithHttpInfo($xero_tenant_id$contacts$summarize_errors = false)
+    public function updateOrCreateContactsAsyncWithHttpInfo($xero_tenant_id, $contacts, $summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Contacts';
-        $request = $this->updateOrCreateContactsRequest($xero_tenant_id$contacts$summarize_errors);
+        $request = $this->updateOrCreateContactsRequest($xero_tenant_id, $contacts, $summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -56102,7 +56102,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateOrCreateContactsRequest($xero_tenant_id$contacts$summarize_errors = false)
+    protected function updateOrCreateContactsRequest($xero_tenant_id, $contacts, $summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -56204,9 +56204,9 @@ protected function updateOrCreateContactsRequest($xero_tenant_id$contacts$summar
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\CreditNotes|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateOrCreateCreditNotes($xero_tenant_id$credit_notes$summarize_errors = false$unitdp = null)
+    public function updateOrCreateCreditNotes($xero_tenant_id, $credit_notes, $summarize_errors = false, $unitdp = null)
     {
-        list($response) = $this->updateOrCreateCreditNotesWithHttpInfo($xero_tenant_id$credit_notes$summarize_errors$unitdp);
+        list($response) = $this->updateOrCreateCreditNotesWithHttpInfo($xero_tenant_id, $credit_notes, $summarize_errors, $unitdp);
         return $response;
     }
     /**
@@ -56220,9 +56220,9 @@ public function updateOrCreateCreditNotes($xero_tenant_id$credit_notes$summarize
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\CreditNotes|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateOrCreateCreditNotesWithHttpInfo($xero_tenant_id$credit_notes$summarize_errors = false$unitdp = null)
+    public function updateOrCreateCreditNotesWithHttpInfo($xero_tenant_id, $credit_notes, $summarize_errors = false, $unitdp = null)
     {
-        $request = $this->updateOrCreateCreditNotesRequest($xero_tenant_id$credit_notes$summarize_errors$unitdp);
+        $request = $this->updateOrCreateCreditNotesRequest($xero_tenant_id, $credit_notes, $summarize_errors, $unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -56317,9 +56317,9 @@ public function updateOrCreateCreditNotesWithHttpInfo($xero_tenant_id$credit_not
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateOrCreateCreditNotesAsync($xero_tenant_id$credit_notes$summarize_errors = false$unitdp = null)
+    public function updateOrCreateCreditNotesAsync($xero_tenant_id, $credit_notes, $summarize_errors = false, $unitdp = null)
     {
-        return $this->updateOrCreateCreditNotesAsyncWithHttpInfo($xero_tenant_id$credit_notes$summarize_errors$unitdp)
+        return $this->updateOrCreateCreditNotesAsyncWithHttpInfo($xero_tenant_id, $credit_notes, $summarize_errors, $unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -56335,10 +56335,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateOrCreateCreditNotesAsyncWithHttpInfo($xero_tenant_id$credit_notes$summarize_errors = false$unitdp = null)
+    public function updateOrCreateCreditNotesAsyncWithHttpInfo($xero_tenant_id, $credit_notes, $summarize_errors = false, $unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\CreditNotes';
-        $request = $this->updateOrCreateCreditNotesRequest($xero_tenant_id$credit_notes$summarize_errors$unitdp);
+        $request = $this->updateOrCreateCreditNotesRequest($xero_tenant_id, $credit_notes, $summarize_errors, $unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -56380,7 +56380,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateOrCreateCreditNotesRequest($xero_tenant_id$credit_notes$summarize_errors = false$unitdp = null)
+    protected function updateOrCreateCreditNotesRequest($xero_tenant_id, $credit_notes, $summarize_errors = false, $unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -56485,9 +56485,9 @@ protected function updateOrCreateCreditNotesRequest($xero_tenant_id$credit_notes
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Employees|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateOrCreateEmployees($xero_tenant_id$employees$summarize_errors = false)
+    public function updateOrCreateEmployees($xero_tenant_id, $employees, $summarize_errors = false)
     {
-        list($response) = $this->updateOrCreateEmployeesWithHttpInfo($xero_tenant_id$employees$summarize_errors);
+        list($response) = $this->updateOrCreateEmployeesWithHttpInfo($xero_tenant_id, $employees, $summarize_errors);
         return $response;
     }
     /**
@@ -56500,9 +56500,9 @@ public function updateOrCreateEmployees($xero_tenant_id$employees$summarize_erro
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Employees|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateOrCreateEmployeesWithHttpInfo($xero_tenant_id$employees$summarize_errors = false)
+    public function updateOrCreateEmployeesWithHttpInfo($xero_tenant_id, $employees, $summarize_errors = false)
     {
-        $request = $this->updateOrCreateEmployeesRequest($xero_tenant_id$employees$summarize_errors);
+        $request = $this->updateOrCreateEmployeesRequest($xero_tenant_id, $employees, $summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -56596,9 +56596,9 @@ public function updateOrCreateEmployeesWithHttpInfo($xero_tenant_id$employees$su
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateOrCreateEmployeesAsync($xero_tenant_id$employees$summarize_errors = false)
+    public function updateOrCreateEmployeesAsync($xero_tenant_id, $employees, $summarize_errors = false)
     {
-        return $this->updateOrCreateEmployeesAsyncWithHttpInfo($xero_tenant_id$employees$summarize_errors)
+        return $this->updateOrCreateEmployeesAsyncWithHttpInfo($xero_tenant_id, $employees, $summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -56613,10 +56613,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateOrCreateEmployeesAsyncWithHttpInfo($xero_tenant_id$employees$summarize_errors = false)
+    public function updateOrCreateEmployeesAsyncWithHttpInfo($xero_tenant_id, $employees, $summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Employees';
-        $request = $this->updateOrCreateEmployeesRequest($xero_tenant_id$employees$summarize_errors);
+        $request = $this->updateOrCreateEmployeesRequest($xero_tenant_id, $employees, $summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -56657,7 +56657,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateOrCreateEmployeesRequest($xero_tenant_id$employees$summarize_errors = false)
+    protected function updateOrCreateEmployeesRequest($xero_tenant_id, $employees, $summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -56759,9 +56759,9 @@ protected function updateOrCreateEmployeesRequest($xero_tenant_id$employees$summ
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Invoices|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateOrCreateInvoices($xero_tenant_id$invoices$summarize_errors = false$unitdp = null)
+    public function updateOrCreateInvoices($xero_tenant_id, $invoices, $summarize_errors = false, $unitdp = null)
     {
-        list($response) = $this->updateOrCreateInvoicesWithHttpInfo($xero_tenant_id$invoices$summarize_errors$unitdp);
+        list($response) = $this->updateOrCreateInvoicesWithHttpInfo($xero_tenant_id, $invoices, $summarize_errors, $unitdp);
         return $response;
     }
     /**
@@ -56775,9 +56775,9 @@ public function updateOrCreateInvoices($xero_tenant_id$invoices$summarize_errors
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Invoices|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateOrCreateInvoicesWithHttpInfo($xero_tenant_id$invoices$summarize_errors = false$unitdp = null)
+    public function updateOrCreateInvoicesWithHttpInfo($xero_tenant_id, $invoices, $summarize_errors = false, $unitdp = null)
     {
-        $request = $this->updateOrCreateInvoicesRequest($xero_tenant_id$invoices$summarize_errors$unitdp);
+        $request = $this->updateOrCreateInvoicesRequest($xero_tenant_id, $invoices, $summarize_errors, $unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -56872,9 +56872,9 @@ public function updateOrCreateInvoicesWithHttpInfo($xero_tenant_id$invoices$summ
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateOrCreateInvoicesAsync($xero_tenant_id$invoices$summarize_errors = false$unitdp = null)
+    public function updateOrCreateInvoicesAsync($xero_tenant_id, $invoices, $summarize_errors = false, $unitdp = null)
     {
-        return $this->updateOrCreateInvoicesAsyncWithHttpInfo($xero_tenant_id$invoices$summarize_errors$unitdp)
+        return $this->updateOrCreateInvoicesAsyncWithHttpInfo($xero_tenant_id, $invoices, $summarize_errors, $unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -56890,10 +56890,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateOrCreateInvoicesAsyncWithHttpInfo($xero_tenant_id$invoices$summarize_errors = false$unitdp = null)
+    public function updateOrCreateInvoicesAsyncWithHttpInfo($xero_tenant_id, $invoices, $summarize_errors = false, $unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Invoices';
-        $request = $this->updateOrCreateInvoicesRequest($xero_tenant_id$invoices$summarize_errors$unitdp);
+        $request = $this->updateOrCreateInvoicesRequest($xero_tenant_id, $invoices, $summarize_errors, $unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -56935,7 +56935,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateOrCreateInvoicesRequest($xero_tenant_id$invoices$summarize_errors = false$unitdp = null)
+    protected function updateOrCreateInvoicesRequest($xero_tenant_id, $invoices, $summarize_errors = false, $unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -57041,9 +57041,9 @@ protected function updateOrCreateInvoicesRequest($xero_tenant_id$invoices$summar
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Items|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateOrCreateItems($xero_tenant_id$items$summarize_errors = false$unitdp = null)
+    public function updateOrCreateItems($xero_tenant_id, $items, $summarize_errors = false, $unitdp = null)
     {
-        list($response) = $this->updateOrCreateItemsWithHttpInfo($xero_tenant_id$items$summarize_errors$unitdp);
+        list($response) = $this->updateOrCreateItemsWithHttpInfo($xero_tenant_id, $items, $summarize_errors, $unitdp);
         return $response;
     }
     /**
@@ -57057,9 +57057,9 @@ public function updateOrCreateItems($xero_tenant_id$items$summarize_errors = fal
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Items|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateOrCreateItemsWithHttpInfo($xero_tenant_id$items$summarize_errors = false$unitdp = null)
+    public function updateOrCreateItemsWithHttpInfo($xero_tenant_id, $items, $summarize_errors = false, $unitdp = null)
     {
-        $request = $this->updateOrCreateItemsRequest($xero_tenant_id$items$summarize_errors$unitdp);
+        $request = $this->updateOrCreateItemsRequest($xero_tenant_id, $items, $summarize_errors, $unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -57154,9 +57154,9 @@ public function updateOrCreateItemsWithHttpInfo($xero_tenant_id$items$summarize_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateOrCreateItemsAsync($xero_tenant_id$items$summarize_errors = false$unitdp = null)
+    public function updateOrCreateItemsAsync($xero_tenant_id, $items, $summarize_errors = false, $unitdp = null)
     {
-        return $this->updateOrCreateItemsAsyncWithHttpInfo($xero_tenant_id$items$summarize_errors$unitdp)
+        return $this->updateOrCreateItemsAsyncWithHttpInfo($xero_tenant_id, $items, $summarize_errors, $unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -57172,10 +57172,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateOrCreateItemsAsyncWithHttpInfo($xero_tenant_id$items$summarize_errors = false$unitdp = null)
+    public function updateOrCreateItemsAsyncWithHttpInfo($xero_tenant_id, $items, $summarize_errors = false, $unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Items';
-        $request = $this->updateOrCreateItemsRequest($xero_tenant_id$items$summarize_errors$unitdp);
+        $request = $this->updateOrCreateItemsRequest($xero_tenant_id, $items, $summarize_errors, $unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -57217,7 +57217,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateOrCreateItemsRequest($xero_tenant_id$items$summarize_errors = false$unitdp = null)
+    protected function updateOrCreateItemsRequest($xero_tenant_id, $items, $summarize_errors = false, $unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -57322,9 +57322,9 @@ protected function updateOrCreateItemsRequest($xero_tenant_id$items$summarize_er
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\ManualJournals|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateOrCreateManualJournals($xero_tenant_id$manual_journals$summarize_errors = false)
+    public function updateOrCreateManualJournals($xero_tenant_id, $manual_journals, $summarize_errors = false)
     {
-        list($response) = $this->updateOrCreateManualJournalsWithHttpInfo($xero_tenant_id$manual_journals$summarize_errors);
+        list($response) = $this->updateOrCreateManualJournalsWithHttpInfo($xero_tenant_id, $manual_journals, $summarize_errors);
         return $response;
     }
     /**
@@ -57337,9 +57337,9 @@ public function updateOrCreateManualJournals($xero_tenant_id$manual_journals$sum
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\ManualJournals|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateOrCreateManualJournalsWithHttpInfo($xero_tenant_id$manual_journals$summarize_errors = false)
+    public function updateOrCreateManualJournalsWithHttpInfo($xero_tenant_id, $manual_journals, $summarize_errors = false)
     {
-        $request = $this->updateOrCreateManualJournalsRequest($xero_tenant_id$manual_journals$summarize_errors);
+        $request = $this->updateOrCreateManualJournalsRequest($xero_tenant_id, $manual_journals, $summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -57433,9 +57433,9 @@ public function updateOrCreateManualJournalsWithHttpInfo($xero_tenant_id$manual_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateOrCreateManualJournalsAsync($xero_tenant_id$manual_journals$summarize_errors = false)
+    public function updateOrCreateManualJournalsAsync($xero_tenant_id, $manual_journals, $summarize_errors = false)
     {
-        return $this->updateOrCreateManualJournalsAsyncWithHttpInfo($xero_tenant_id$manual_journals$summarize_errors)
+        return $this->updateOrCreateManualJournalsAsyncWithHttpInfo($xero_tenant_id, $manual_journals, $summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -57450,10 +57450,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateOrCreateManualJournalsAsyncWithHttpInfo($xero_tenant_id$manual_journals$summarize_errors = false)
+    public function updateOrCreateManualJournalsAsyncWithHttpInfo($xero_tenant_id, $manual_journals, $summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\ManualJournals';
-        $request = $this->updateOrCreateManualJournalsRequest($xero_tenant_id$manual_journals$summarize_errors);
+        $request = $this->updateOrCreateManualJournalsRequest($xero_tenant_id, $manual_journals, $summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -57494,7 +57494,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateOrCreateManualJournalsRequest($xero_tenant_id$manual_journals$summarize_errors = false)
+    protected function updateOrCreateManualJournalsRequest($xero_tenant_id, $manual_journals, $summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -57595,9 +57595,9 @@ protected function updateOrCreateManualJournalsRequest($xero_tenant_id$manual_jo
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateOrCreatePurchaseOrders($xero_tenant_id$purchase_orders$summarize_errors = false)
+    public function updateOrCreatePurchaseOrders($xero_tenant_id, $purchase_orders, $summarize_errors = false)
     {
-        list($response) = $this->updateOrCreatePurchaseOrdersWithHttpInfo($xero_tenant_id$purchase_orders$summarize_errors);
+        list($response) = $this->updateOrCreatePurchaseOrdersWithHttpInfo($xero_tenant_id, $purchase_orders, $summarize_errors);
         return $response;
     }
     /**
@@ -57610,9 +57610,9 @@ public function updateOrCreatePurchaseOrders($xero_tenant_id$purchase_orders$sum
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateOrCreatePurchaseOrdersWithHttpInfo($xero_tenant_id$purchase_orders$summarize_errors = false)
+    public function updateOrCreatePurchaseOrdersWithHttpInfo($xero_tenant_id, $purchase_orders, $summarize_errors = false)
     {
-        $request = $this->updateOrCreatePurchaseOrdersRequest($xero_tenant_id$purchase_orders$summarize_errors);
+        $request = $this->updateOrCreatePurchaseOrdersRequest($xero_tenant_id, $purchase_orders, $summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -57706,9 +57706,9 @@ public function updateOrCreatePurchaseOrdersWithHttpInfo($xero_tenant_id$purchas
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateOrCreatePurchaseOrdersAsync($xero_tenant_id$purchase_orders$summarize_errors = false)
+    public function updateOrCreatePurchaseOrdersAsync($xero_tenant_id, $purchase_orders, $summarize_errors = false)
     {
-        return $this->updateOrCreatePurchaseOrdersAsyncWithHttpInfo($xero_tenant_id$purchase_orders$summarize_errors)
+        return $this->updateOrCreatePurchaseOrdersAsyncWithHttpInfo($xero_tenant_id, $purchase_orders, $summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -57723,10 +57723,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateOrCreatePurchaseOrdersAsyncWithHttpInfo($xero_tenant_id$purchase_orders$summarize_errors = false)
+    public function updateOrCreatePurchaseOrdersAsyncWithHttpInfo($xero_tenant_id, $purchase_orders, $summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders';
-        $request = $this->updateOrCreatePurchaseOrdersRequest($xero_tenant_id$purchase_orders$summarize_errors);
+        $request = $this->updateOrCreatePurchaseOrdersRequest($xero_tenant_id, $purchase_orders, $summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -57767,7 +57767,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateOrCreatePurchaseOrdersRequest($xero_tenant_id$purchase_orders$summarize_errors = false)
+    protected function updateOrCreatePurchaseOrdersRequest($xero_tenant_id, $purchase_orders, $summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -57868,9 +57868,9 @@ protected function updateOrCreatePurchaseOrdersRequest($xero_tenant_id$purchase_
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Quotes|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateOrCreateQuotes($xero_tenant_id$quotes$summarize_errors = false)
+    public function updateOrCreateQuotes($xero_tenant_id, $quotes, $summarize_errors = false)
     {
-        list($response) = $this->updateOrCreateQuotesWithHttpInfo($xero_tenant_id$quotes$summarize_errors);
+        list($response) = $this->updateOrCreateQuotesWithHttpInfo($xero_tenant_id, $quotes, $summarize_errors);
         return $response;
     }
     /**
@@ -57883,9 +57883,9 @@ public function updateOrCreateQuotes($xero_tenant_id$quotes$summarize_errors = f
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Quotes|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateOrCreateQuotesWithHttpInfo($xero_tenant_id$quotes$summarize_errors = false)
+    public function updateOrCreateQuotesWithHttpInfo($xero_tenant_id, $quotes, $summarize_errors = false)
     {
-        $request = $this->updateOrCreateQuotesRequest($xero_tenant_id$quotes$summarize_errors);
+        $request = $this->updateOrCreateQuotesRequest($xero_tenant_id, $quotes, $summarize_errors);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -57979,9 +57979,9 @@ public function updateOrCreateQuotesWithHttpInfo($xero_tenant_id$quotes$summariz
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateOrCreateQuotesAsync($xero_tenant_id$quotes$summarize_errors = false)
+    public function updateOrCreateQuotesAsync($xero_tenant_id, $quotes, $summarize_errors = false)
     {
-        return $this->updateOrCreateQuotesAsyncWithHttpInfo($xero_tenant_id$quotes$summarize_errors)
+        return $this->updateOrCreateQuotesAsyncWithHttpInfo($xero_tenant_id, $quotes, $summarize_errors)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -57996,10 +57996,10 @@ function ($response) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateOrCreateQuotesAsyncWithHttpInfo($xero_tenant_id$quotes$summarize_errors = false)
+    public function updateOrCreateQuotesAsyncWithHttpInfo($xero_tenant_id, $quotes, $summarize_errors = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Quotes';
-        $request = $this->updateOrCreateQuotesRequest($xero_tenant_id$quotes$summarize_errors);
+        $request = $this->updateOrCreateQuotesRequest($xero_tenant_id, $quotes, $summarize_errors);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -58040,7 +58040,7 @@ function ($exception) {
      * @param  bool $summarize_errors If false return 200 OK and mix of successfully created objects and any with validation errors (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateOrCreateQuotesRequest($xero_tenant_id$quotes$summarize_errors = false)
+    protected function updateOrCreateQuotesRequest($xero_tenant_id, $quotes, $summarize_errors = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -58141,9 +58141,9 @@ protected function updateOrCreateQuotesRequest($xero_tenant_id$quotes$summarize_
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updatePurchaseOrder($xero_tenant_id$purchase_order_id$purchase_orders)
+    public function updatePurchaseOrder($xero_tenant_id, $purchase_order_id, $purchase_orders)
     {
-        list($response) = $this->updatePurchaseOrderWithHttpInfo($xero_tenant_id$purchase_order_id$purchase_orders);
+        list($response) = $this->updatePurchaseOrderWithHttpInfo($xero_tenant_id, $purchase_order_id, $purchase_orders);
         return $response;
     }
     /**
@@ -58156,9 +58156,9 @@ public function updatePurchaseOrder($xero_tenant_id$purchase_order_id$purchase_o
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updatePurchaseOrderWithHttpInfo($xero_tenant_id$purchase_order_id$purchase_orders)
+    public function updatePurchaseOrderWithHttpInfo($xero_tenant_id, $purchase_order_id, $purchase_orders)
     {
-        $request = $this->updatePurchaseOrderRequest($xero_tenant_id$purchase_order_id$purchase_orders);
+        $request = $this->updatePurchaseOrderRequest($xero_tenant_id, $purchase_order_id, $purchase_orders);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -58252,9 +58252,9 @@ public function updatePurchaseOrderWithHttpInfo($xero_tenant_id$purchase_order_i
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updatePurchaseOrderAsync($xero_tenant_id$purchase_order_id$purchase_orders)
+    public function updatePurchaseOrderAsync($xero_tenant_id, $purchase_order_id, $purchase_orders)
     {
-        return $this->updatePurchaseOrderAsyncWithHttpInfo($xero_tenant_id$purchase_order_id$purchase_orders)
+        return $this->updatePurchaseOrderAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id, $purchase_orders)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -58269,10 +58269,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders $purchase_orders (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updatePurchaseOrderAsyncWithHttpInfo($xero_tenant_id$purchase_order_id$purchase_orders)
+    public function updatePurchaseOrderAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id, $purchase_orders)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders';
-        $request = $this->updatePurchaseOrderRequest($xero_tenant_id$purchase_order_id$purchase_orders);
+        $request = $this->updatePurchaseOrderRequest($xero_tenant_id, $purchase_order_id, $purchase_orders);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -58313,7 +58313,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\PurchaseOrders $purchase_orders (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updatePurchaseOrderRequest($xero_tenant_id$purchase_order_id$purchase_orders)
+    protected function updatePurchaseOrderRequest($xero_tenant_id, $purchase_order_id, $purchase_orders)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -58425,9 +58425,9 @@ protected function updatePurchaseOrderRequest($xero_tenant_id$purchase_order_id$
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updatePurchaseOrderAttachmentByFileName($xero_tenant_id$purchase_order_id$file_name$body)
+    public function updatePurchaseOrderAttachmentByFileName($xero_tenant_id, $purchase_order_id, $file_name, $body)
     {
-        list($response) = $this->updatePurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant_id$purchase_order_id$file_name$body);
+        list($response) = $this->updatePurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant_id, $purchase_order_id, $file_name, $body);
         return $response;
     }
     /**
@@ -58441,9 +58441,9 @@ public function updatePurchaseOrderAttachmentByFileName($xero_tenant_id$purchase
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updatePurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant_id$purchase_order_id$file_name$body)
+    public function updatePurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant_id, $purchase_order_id, $file_name, $body)
     {
-        $request = $this->updatePurchaseOrderAttachmentByFileNameRequest($xero_tenant_id$purchase_order_id$file_name$body);
+        $request = $this->updatePurchaseOrderAttachmentByFileNameRequest($xero_tenant_id, $purchase_order_id, $file_name, $body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -58538,9 +58538,9 @@ public function updatePurchaseOrderAttachmentByFileNameWithHttpInfo($xero_tenant
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updatePurchaseOrderAttachmentByFileNameAsync($xero_tenant_id$purchase_order_id$file_name$body)
+    public function updatePurchaseOrderAttachmentByFileNameAsync($xero_tenant_id, $purchase_order_id, $file_name, $body)
     {
-        return $this->updatePurchaseOrderAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$purchase_order_id$file_name$body)
+        return $this->updatePurchaseOrderAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id, $file_name, $body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -58556,10 +58556,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updatePurchaseOrderAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$purchase_order_id$file_name$body)
+    public function updatePurchaseOrderAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $purchase_order_id, $file_name, $body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->updatePurchaseOrderAttachmentByFileNameRequest($xero_tenant_id$purchase_order_id$file_name$body);
+        $request = $this->updatePurchaseOrderAttachmentByFileNameRequest($xero_tenant_id, $purchase_order_id, $file_name, $body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -58601,7 +58601,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updatePurchaseOrderAttachmentByFileNameRequest($xero_tenant_id$purchase_order_id$file_name$body)
+    protected function updatePurchaseOrderAttachmentByFileNameRequest($xero_tenant_id, $purchase_order_id, $file_name, $body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -58726,9 +58726,9 @@ protected function updatePurchaseOrderAttachmentByFileNameRequest($xero_tenant_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Quotes|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateQuote($xero_tenant_id$quote_id$quotes)
+    public function updateQuote($xero_tenant_id, $quote_id, $quotes)
     {
-        list($response) = $this->updateQuoteWithHttpInfo($xero_tenant_id$quote_id$quotes);
+        list($response) = $this->updateQuoteWithHttpInfo($xero_tenant_id, $quote_id, $quotes);
         return $response;
     }
     /**
@@ -58741,9 +58741,9 @@ public function updateQuote($xero_tenant_id$quote_id$quotes)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Quotes|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateQuoteWithHttpInfo($xero_tenant_id$quote_id$quotes)
+    public function updateQuoteWithHttpInfo($xero_tenant_id, $quote_id, $quotes)
     {
-        $request = $this->updateQuoteRequest($xero_tenant_id$quote_id$quotes);
+        $request = $this->updateQuoteRequest($xero_tenant_id, $quote_id, $quotes);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -58837,9 +58837,9 @@ public function updateQuoteWithHttpInfo($xero_tenant_id$quote_id$quotes)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateQuoteAsync($xero_tenant_id$quote_id$quotes)
+    public function updateQuoteAsync($xero_tenant_id, $quote_id, $quotes)
     {
-        return $this->updateQuoteAsyncWithHttpInfo($xero_tenant_id$quote_id$quotes)
+        return $this->updateQuoteAsyncWithHttpInfo($xero_tenant_id, $quote_id, $quotes)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -58854,10 +58854,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Quotes $quotes (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateQuoteAsyncWithHttpInfo($xero_tenant_id$quote_id$quotes)
+    public function updateQuoteAsyncWithHttpInfo($xero_tenant_id, $quote_id, $quotes)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Quotes';
-        $request = $this->updateQuoteRequest($xero_tenant_id$quote_id$quotes);
+        $request = $this->updateQuoteRequest($xero_tenant_id, $quote_id, $quotes);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -58898,7 +58898,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\Quotes $quotes (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateQuoteRequest($xero_tenant_id$quote_id$quotes)
+    protected function updateQuoteRequest($xero_tenant_id, $quote_id, $quotes)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -59010,9 +59010,9 @@ protected function updateQuoteRequest($xero_tenant_id$quote_id$quotes)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateQuoteAttachmentByFileName($xero_tenant_id$quote_id$file_name$body)
+    public function updateQuoteAttachmentByFileName($xero_tenant_id, $quote_id, $file_name, $body)
     {
-        list($response) = $this->updateQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$quote_id$file_name$body);
+        list($response) = $this->updateQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $quote_id, $file_name, $body);
         return $response;
     }
     /**
@@ -59026,9 +59026,9 @@ public function updateQuoteAttachmentByFileName($xero_tenant_id$quote_id$file_na
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$quote_id$file_name$body)
+    public function updateQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id, $quote_id, $file_name, $body)
     {
-        $request = $this->updateQuoteAttachmentByFileNameRequest($xero_tenant_id$quote_id$file_name$body);
+        $request = $this->updateQuoteAttachmentByFileNameRequest($xero_tenant_id, $quote_id, $file_name, $body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -59123,9 +59123,9 @@ public function updateQuoteAttachmentByFileNameWithHttpInfo($xero_tenant_id$quot
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateQuoteAttachmentByFileNameAsync($xero_tenant_id$quote_id$file_name$body)
+    public function updateQuoteAttachmentByFileNameAsync($xero_tenant_id, $quote_id, $file_name, $body)
     {
-        return $this->updateQuoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$quote_id$file_name$body)
+        return $this->updateQuoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $quote_id, $file_name, $body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -59141,10 +59141,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateQuoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$quote_id$file_name$body)
+    public function updateQuoteAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $quote_id, $file_name, $body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->updateQuoteAttachmentByFileNameRequest($xero_tenant_id$quote_id$file_name$body);
+        $request = $this->updateQuoteAttachmentByFileNameRequest($xero_tenant_id, $quote_id, $file_name, $body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -59186,7 +59186,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateQuoteAttachmentByFileNameRequest($xero_tenant_id$quote_id$file_name$body)
+    protected function updateQuoteAttachmentByFileNameRequest($xero_tenant_id, $quote_id, $file_name, $body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -59312,9 +59312,9 @@ protected function updateQuoteAttachmentByFileNameRequest($xero_tenant_id$quote_
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Receipts|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateReceipt($xero_tenant_id$receipt_id$receipts$unitdp = null)
+    public function updateReceipt($xero_tenant_id, $receipt_id, $receipts, $unitdp = null)
     {
-        list($response) = $this->updateReceiptWithHttpInfo($xero_tenant_id$receipt_id$receipts$unitdp);
+        list($response) = $this->updateReceiptWithHttpInfo($xero_tenant_id, $receipt_id, $receipts, $unitdp);
         return $response;
     }
     /**
@@ -59328,9 +59328,9 @@ public function updateReceipt($xero_tenant_id$receipt_id$receipts$unitdp = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Receipts|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateReceiptWithHttpInfo($xero_tenant_id$receipt_id$receipts$unitdp = null)
+    public function updateReceiptWithHttpInfo($xero_tenant_id, $receipt_id, $receipts, $unitdp = null)
     {
-        $request = $this->updateReceiptRequest($xero_tenant_id$receipt_id$receipts$unitdp);
+        $request = $this->updateReceiptRequest($xero_tenant_id, $receipt_id, $receipts, $unitdp);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -59425,9 +59425,9 @@ public function updateReceiptWithHttpInfo($xero_tenant_id$receipt_id$receipts$un
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateReceiptAsync($xero_tenant_id$receipt_id$receipts$unitdp = null)
+    public function updateReceiptAsync($xero_tenant_id, $receipt_id, $receipts, $unitdp = null)
     {
-        return $this->updateReceiptAsyncWithHttpInfo($xero_tenant_id$receipt_id$receipts$unitdp)
+        return $this->updateReceiptAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $receipts, $unitdp)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -59443,10 +59443,10 @@ function ($response) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateReceiptAsyncWithHttpInfo($xero_tenant_id$receipt_id$receipts$unitdp = null)
+    public function updateReceiptAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $receipts, $unitdp = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Receipts';
-        $request = $this->updateReceiptRequest($xero_tenant_id$receipt_id$receipts$unitdp);
+        $request = $this->updateReceiptRequest($xero_tenant_id, $receipt_id, $receipts, $unitdp);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -59488,7 +59488,7 @@ function ($exception) {
      * @param  int $unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateReceiptRequest($xero_tenant_id$receipt_id$receipts$unitdp = null)
+    protected function updateReceiptRequest($xero_tenant_id, $receipt_id, $receipts, $unitdp = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -59604,9 +59604,9 @@ protected function updateReceiptRequest($xero_tenant_id$receipt_id$receipts$unit
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateReceiptAttachmentByFileName($xero_tenant_id$receipt_id$file_name$body)
+    public function updateReceiptAttachmentByFileName($xero_tenant_id, $receipt_id, $file_name, $body)
     {
-        list($response) = $this->updateReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id$receipt_id$file_name$body);
+        list($response) = $this->updateReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id, $receipt_id, $file_name, $body);
         return $response;
     }
     /**
@@ -59620,9 +59620,9 @@ public function updateReceiptAttachmentByFileName($xero_tenant_id$receipt_id$fil
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id$receipt_id$file_name$body)
+    public function updateReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id, $receipt_id, $file_name, $body)
     {
-        $request = $this->updateReceiptAttachmentByFileNameRequest($xero_tenant_id$receipt_id$file_name$body);
+        $request = $this->updateReceiptAttachmentByFileNameRequest($xero_tenant_id, $receipt_id, $file_name, $body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -59717,9 +59717,9 @@ public function updateReceiptAttachmentByFileNameWithHttpInfo($xero_tenant_id$re
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateReceiptAttachmentByFileNameAsync($xero_tenant_id$receipt_id$file_name$body)
+    public function updateReceiptAttachmentByFileNameAsync($xero_tenant_id, $receipt_id, $file_name, $body)
     {
-        return $this->updateReceiptAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$receipt_id$file_name$body)
+        return $this->updateReceiptAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $file_name, $body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -59735,10 +59735,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateReceiptAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$receipt_id$file_name$body)
+    public function updateReceiptAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $receipt_id, $file_name, $body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->updateReceiptAttachmentByFileNameRequest($xero_tenant_id$receipt_id$file_name$body);
+        $request = $this->updateReceiptAttachmentByFileNameRequest($xero_tenant_id, $receipt_id, $file_name, $body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -59780,7 +59780,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateReceiptAttachmentByFileNameRequest($xero_tenant_id$receipt_id$file_name$body)
+    protected function updateReceiptAttachmentByFileNameRequest($xero_tenant_id, $receipt_id, $file_name, $body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -59906,9 +59906,9 @@ protected function updateReceiptAttachmentByFileNameRequest($xero_tenant_id$rece
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateRepeatingInvoiceAttachmentByFileName($xero_tenant_id$repeating_invoice_id$file_name$body)
+    public function updateRepeatingInvoiceAttachmentByFileName($xero_tenant_id, $repeating_invoice_id, $file_name, $body)
     {
-        list($response) = $this->updateRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id$repeating_invoice_id$file_name$body);
+        list($response) = $this->updateRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $file_name, $body);
         return $response;
     }
     /**
@@ -59922,9 +59922,9 @@ public function updateRepeatingInvoiceAttachmentByFileName($xero_tenant_id$repea
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Attachments|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id$repeating_invoice_id$file_name$body)
+    public function updateRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $file_name, $body)
     {
-        $request = $this->updateRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id$repeating_invoice_id$file_name$body);
+        $request = $this->updateRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id, $repeating_invoice_id, $file_name, $body);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -60019,9 +60019,9 @@ public function updateRepeatingInvoiceAttachmentByFileNameWithHttpInfo($xero_ten
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateRepeatingInvoiceAttachmentByFileNameAsync($xero_tenant_id$repeating_invoice_id$file_name$body)
+    public function updateRepeatingInvoiceAttachmentByFileNameAsync($xero_tenant_id, $repeating_invoice_id, $file_name, $body)
     {
-        return $this->updateRepeatingInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id$file_name$body)
+        return $this->updateRepeatingInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $file_name, $body)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -60037,10 +60037,10 @@ function ($response) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateRepeatingInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id$repeating_invoice_id$file_name$body)
+    public function updateRepeatingInvoiceAttachmentByFileNameAsyncWithHttpInfo($xero_tenant_id, $repeating_invoice_id, $file_name, $body)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Attachments';
-        $request = $this->updateRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id$repeating_invoice_id$file_name$body);
+        $request = $this->updateRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id, $repeating_invoice_id, $file_name, $body);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -60082,7 +60082,7 @@ function ($exception) {
      * @param  string $body Byte array of file in body of request (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id$repeating_invoice_id$file_name$body)
+    protected function updateRepeatingInvoiceAttachmentByFileNameRequest($xero_tenant_id, $repeating_invoice_id, $file_name, $body)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -60206,9 +60206,9 @@ protected function updateRepeatingInvoiceAttachmentByFileNameRequest($xero_tenan
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\TaxRates|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateTaxRate($xero_tenant_id$tax_rates)
+    public function updateTaxRate($xero_tenant_id, $tax_rates)
     {
-        list($response) = $this->updateTaxRateWithHttpInfo($xero_tenant_id$tax_rates);
+        list($response) = $this->updateTaxRateWithHttpInfo($xero_tenant_id, $tax_rates);
         return $response;
     }
     /**
@@ -60220,9 +60220,9 @@ public function updateTaxRate($xero_tenant_id$tax_rates)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\TaxRates|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateTaxRateWithHttpInfo($xero_tenant_id$tax_rates)
+    public function updateTaxRateWithHttpInfo($xero_tenant_id, $tax_rates)
     {
-        $request = $this->updateTaxRateRequest($xero_tenant_id$tax_rates);
+        $request = $this->updateTaxRateRequest($xero_tenant_id, $tax_rates);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -60315,9 +60315,9 @@ public function updateTaxRateWithHttpInfo($xero_tenant_id$tax_rates)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateTaxRateAsync($xero_tenant_id$tax_rates)
+    public function updateTaxRateAsync($xero_tenant_id, $tax_rates)
     {
-        return $this->updateTaxRateAsyncWithHttpInfo($xero_tenant_id$tax_rates)
+        return $this->updateTaxRateAsyncWithHttpInfo($xero_tenant_id, $tax_rates)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -60331,10 +60331,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\TaxRates $tax_rates (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateTaxRateAsyncWithHttpInfo($xero_tenant_id$tax_rates)
+    public function updateTaxRateAsyncWithHttpInfo($xero_tenant_id, $tax_rates)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\TaxRates';
-        $request = $this->updateTaxRateRequest($xero_tenant_id$tax_rates);
+        $request = $this->updateTaxRateRequest($xero_tenant_id, $tax_rates);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -60374,7 +60374,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\TaxRates $tax_rates (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateTaxRateRequest($xero_tenant_id$tax_rates)
+    protected function updateTaxRateRequest($xero_tenant_id, $tax_rates)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -60471,9 +60471,9 @@ protected function updateTaxRateRequest($xero_tenant_id$tax_rates)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\TrackingCategories|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateTrackingCategory($xero_tenant_id$tracking_category_id$tracking_category)
+    public function updateTrackingCategory($xero_tenant_id, $tracking_category_id, $tracking_category)
     {
-        list($response) = $this->updateTrackingCategoryWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_category);
+        list($response) = $this->updateTrackingCategoryWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_category);
         return $response;
     }
     /**
@@ -60486,9 +60486,9 @@ public function updateTrackingCategory($xero_tenant_id$tracking_category_id$trac
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\TrackingCategories|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateTrackingCategoryWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_category)
+    public function updateTrackingCategoryWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_category)
     {
-        $request = $this->updateTrackingCategoryRequest($xero_tenant_id$tracking_category_id$tracking_category);
+        $request = $this->updateTrackingCategoryRequest($xero_tenant_id, $tracking_category_id, $tracking_category);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -60582,9 +60582,9 @@ public function updateTrackingCategoryWithHttpInfo($xero_tenant_id$tracking_cate
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateTrackingCategoryAsync($xero_tenant_id$tracking_category_id$tracking_category)
+    public function updateTrackingCategoryAsync($xero_tenant_id, $tracking_category_id, $tracking_category)
     {
-        return $this->updateTrackingCategoryAsyncWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_category)
+        return $this->updateTrackingCategoryAsyncWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_category)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -60599,10 +60599,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\TrackingCategory $tracking_category (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateTrackingCategoryAsyncWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_category)
+    public function updateTrackingCategoryAsyncWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_category)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\TrackingCategories';
-        $request = $this->updateTrackingCategoryRequest($xero_tenant_id$tracking_category_id$tracking_category);
+        $request = $this->updateTrackingCategoryRequest($xero_tenant_id, $tracking_category_id, $tracking_category);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -60643,7 +60643,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\TrackingCategory $tracking_category (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateTrackingCategoryRequest($xero_tenant_id$tracking_category_id$tracking_category)
+    protected function updateTrackingCategoryRequest($xero_tenant_id, $tracking_category_id, $tracking_category)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -60755,9 +60755,9 @@ protected function updateTrackingCategoryRequest($xero_tenant_id$tracking_catego
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\TrackingOptions|\XeroAPI\XeroPHP\Models\Accounting\Error
      */
-    public function updateTrackingOptions($xero_tenant_id$tracking_category_id$tracking_option_id$tracking_option)
+    public function updateTrackingOptions($xero_tenant_id, $tracking_category_id, $tracking_option_id, $tracking_option)
     {
-        list($response) = $this->updateTrackingOptionsWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_option_id$tracking_option);
+        list($response) = $this->updateTrackingOptionsWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_option_id, $tracking_option);
         return $response;
     }
     /**
@@ -60771,9 +60771,9 @@ public function updateTrackingOptions($xero_tenant_id$tracking_category_id$track
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\TrackingOptions|\XeroAPI\XeroPHP\Models\Accounting\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateTrackingOptionsWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_option_id$tracking_option)
+    public function updateTrackingOptionsWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_option_id, $tracking_option)
     {
-        $request = $this->updateTrackingOptionsRequest($xero_tenant_id$tracking_category_id$tracking_option_id$tracking_option);
+        $request = $this->updateTrackingOptionsRequest($xero_tenant_id, $tracking_category_id, $tracking_option_id, $tracking_option);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -60868,9 +60868,9 @@ public function updateTrackingOptionsWithHttpInfo($xero_tenant_id$tracking_categ
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateTrackingOptionsAsync($xero_tenant_id$tracking_category_id$tracking_option_id$tracking_option)
+    public function updateTrackingOptionsAsync($xero_tenant_id, $tracking_category_id, $tracking_option_id, $tracking_option)
     {
-        return $this->updateTrackingOptionsAsyncWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_option_id$tracking_option)
+        return $this->updateTrackingOptionsAsyncWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_option_id, $tracking_option)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -60886,10 +60886,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\TrackingOption $tracking_option (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateTrackingOptionsAsyncWithHttpInfo($xero_tenant_id$tracking_category_id$tracking_option_id$tracking_option)
+    public function updateTrackingOptionsAsyncWithHttpInfo($xero_tenant_id, $tracking_category_id, $tracking_option_id, $tracking_option)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\TrackingOptions';
-        $request = $this->updateTrackingOptionsRequest($xero_tenant_id$tracking_category_id$tracking_option_id$tracking_option);
+        $request = $this->updateTrackingOptionsRequest($xero_tenant_id, $tracking_category_id, $tracking_option_id, $tracking_option);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -60931,7 +60931,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Accounting\TrackingOption $tracking_option (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateTrackingOptionsRequest($xero_tenant_id$tracking_category_id$tracking_option_id$tracking_option)
+    protected function updateTrackingOptionsRequest($xero_tenant_id, $tracking_category_id, $tracking_option_id, $tracking_option)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
diff --git a/lib/Api/AppStoreApi.php b/lib/Api/AppStoreApi.php
index 78ae3342..320881dd 100644
--- a/lib/Api/AppStoreApi.php
+++ b/lib/Api/AppStoreApi.php
@@ -17,7 +17,7 @@
  * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
diff --git a/lib/Api/AssetApi.php b/lib/Api/AssetApi.php
index 5304114f..b07b2239 100644
--- a/lib/Api/AssetApi.php
+++ b/lib/Api/AssetApi.php
@@ -17,7 +17,7 @@
  * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
@@ -94,9 +94,9 @@ public function getConfig()
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Asset\Asset
      */
-    public function createAsset($xero_tenant_id$asset)
+    public function createAsset($xero_tenant_id, $asset)
     {
-        list($response) = $this->createAssetWithHttpInfo($xero_tenant_id$asset);
+        list($response) = $this->createAssetWithHttpInfo($xero_tenant_id, $asset);
         return $response;
     }
     /**
@@ -108,9 +108,9 @@ public function createAsset($xero_tenant_id$asset)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Asset\Asset, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createAssetWithHttpInfo($xero_tenant_id$asset)
+    public function createAssetWithHttpInfo($xero_tenant_id, $asset)
     {
-        $request = $this->createAssetRequest($xero_tenant_id$asset);
+        $request = $this->createAssetRequest($xero_tenant_id, $asset);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -184,9 +184,9 @@ public function createAssetWithHttpInfo($xero_tenant_id$asset)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createAssetAsync($xero_tenant_id$asset)
+    public function createAssetAsync($xero_tenant_id, $asset)
     {
-        return $this->createAssetAsyncWithHttpInfo($xero_tenant_id$asset)
+        return $this->createAssetAsyncWithHttpInfo($xero_tenant_id, $asset)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -200,10 +200,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Asset\Asset $asset Fixed asset you are creating (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createAssetAsyncWithHttpInfo($xero_tenant_id$asset)
+    public function createAssetAsyncWithHttpInfo($xero_tenant_id, $asset)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Asset\Asset';
-        $request = $this->createAssetRequest($xero_tenant_id$asset);
+        $request = $this->createAssetRequest($xero_tenant_id, $asset);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -243,7 +243,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Asset\Asset $asset Fixed asset you are creating (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createAssetRequest($xero_tenant_id$asset)
+    protected function createAssetRequest($xero_tenant_id, $asset)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -339,9 +339,9 @@ protected function createAssetRequest($xero_tenant_id$asset)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Asset\AssetType
      */
-    public function createAssetType($xero_tenant_id$asset_type = null)
+    public function createAssetType($xero_tenant_id, $asset_type = null)
     {
-        list($response) = $this->createAssetTypeWithHttpInfo($xero_tenant_id$asset_type);
+        list($response) = $this->createAssetTypeWithHttpInfo($xero_tenant_id, $asset_type);
         return $response;
     }
     /**
@@ -353,9 +353,9 @@ public function createAssetType($xero_tenant_id$asset_type = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Asset\AssetType, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createAssetTypeWithHttpInfo($xero_tenant_id$asset_type = null)
+    public function createAssetTypeWithHttpInfo($xero_tenant_id, $asset_type = null)
     {
-        $request = $this->createAssetTypeRequest($xero_tenant_id$asset_type);
+        $request = $this->createAssetTypeRequest($xero_tenant_id, $asset_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -429,9 +429,9 @@ public function createAssetTypeWithHttpInfo($xero_tenant_id$asset_type = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createAssetTypeAsync($xero_tenant_id$asset_type = null)
+    public function createAssetTypeAsync($xero_tenant_id, $asset_type = null)
     {
-        return $this->createAssetTypeAsyncWithHttpInfo($xero_tenant_id$asset_type)
+        return $this->createAssetTypeAsyncWithHttpInfo($xero_tenant_id, $asset_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -445,10 +445,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Asset\AssetType $asset_type Asset type to add (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createAssetTypeAsyncWithHttpInfo($xero_tenant_id$asset_type = null)
+    public function createAssetTypeAsyncWithHttpInfo($xero_tenant_id, $asset_type = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Asset\AssetType';
-        $request = $this->createAssetTypeRequest($xero_tenant_id$asset_type);
+        $request = $this->createAssetTypeRequest($xero_tenant_id, $asset_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -488,7 +488,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Asset\AssetType $asset_type Asset type to add (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createAssetTypeRequest($xero_tenant_id$asset_type = null)
+    protected function createAssetTypeRequest($xero_tenant_id, $asset_type = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -578,9 +578,9 @@ protected function createAssetTypeRequest($xero_tenant_id$asset_type = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Asset\Asset
      */
-    public function getAssetById($xero_tenant_id$id)
+    public function getAssetById($xero_tenant_id, $id)
     {
-        list($response) = $this->getAssetByIdWithHttpInfo($xero_tenant_id$id);
+        list($response) = $this->getAssetByIdWithHttpInfo($xero_tenant_id, $id);
         return $response;
     }
     /**
@@ -592,9 +592,9 @@ public function getAssetById($xero_tenant_id$id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Asset\Asset, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getAssetByIdWithHttpInfo($xero_tenant_id$id)
+    public function getAssetByIdWithHttpInfo($xero_tenant_id, $id)
     {
-        $request = $this->getAssetByIdRequest($xero_tenant_id$id);
+        $request = $this->getAssetByIdRequest($xero_tenant_id, $id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -668,9 +668,9 @@ public function getAssetByIdWithHttpInfo($xero_tenant_id$id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getAssetByIdAsync($xero_tenant_id$id)
+    public function getAssetByIdAsync($xero_tenant_id, $id)
     {
-        return $this->getAssetByIdAsyncWithHttpInfo($xero_tenant_id$id)
+        return $this->getAssetByIdAsyncWithHttpInfo($xero_tenant_id, $id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -684,10 +684,10 @@ function ($response) {
      * @param  string $id fixed asset id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getAssetByIdAsyncWithHttpInfo($xero_tenant_id$id)
+    public function getAssetByIdAsyncWithHttpInfo($xero_tenant_id, $id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Asset\Asset';
-        $request = $this->getAssetByIdRequest($xero_tenant_id$id);
+        $request = $this->getAssetByIdRequest($xero_tenant_id, $id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -727,7 +727,7 @@ function ($exception) {
      * @param  string $id fixed asset id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getAssetByIdRequest($xero_tenant_id$id)
+    protected function getAssetByIdRequest($xero_tenant_id, $id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1295,9 +1295,9 @@ protected function getAssetTypesRequest($xero_tenant_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Asset\Assets
      */
-    public function getAssets($xero_tenant_id$status$page = null$page_size = null$order_by = null$sort_direction = null$filter_by = null)
+    public function getAssets($xero_tenant_id, $status, $page = null, $page_size = null, $order_by = null, $sort_direction = null, $filter_by = null)
     {
-        list($response) = $this->getAssetsWithHttpInfo($xero_tenant_id$status$page$page_size$order_by$sort_direction$filter_by);
+        list($response) = $this->getAssetsWithHttpInfo($xero_tenant_id, $status, $page, $page_size, $order_by, $sort_direction, $filter_by);
         return $response;
     }
     /**
@@ -1314,9 +1314,9 @@ public function getAssets($xero_tenant_id$status$page = null$page_size = null$or
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Asset\Assets, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getAssetsWithHttpInfo($xero_tenant_id$status$page = null$page_size = null$order_by = null$sort_direction = null$filter_by = null)
+    public function getAssetsWithHttpInfo($xero_tenant_id, $status, $page = null, $page_size = null, $order_by = null, $sort_direction = null, $filter_by = null)
     {
-        $request = $this->getAssetsRequest($xero_tenant_id$status$page$page_size$order_by$sort_direction$filter_by);
+        $request = $this->getAssetsRequest($xero_tenant_id, $status, $page, $page_size, $order_by, $sort_direction, $filter_by);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1395,9 +1395,9 @@ public function getAssetsWithHttpInfo($xero_tenant_id$status$page = null$page_si
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getAssetsAsync($xero_tenant_id$status$page = null$page_size = null$order_by = null$sort_direction = null$filter_by = null)
+    public function getAssetsAsync($xero_tenant_id, $status, $page = null, $page_size = null, $order_by = null, $sort_direction = null, $filter_by = null)
     {
-        return $this->getAssetsAsyncWithHttpInfo($xero_tenant_id$status$page$page_size$order_by$sort_direction$filter_by)
+        return $this->getAssetsAsyncWithHttpInfo($xero_tenant_id, $status, $page, $page_size, $order_by, $sort_direction, $filter_by)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1416,10 +1416,10 @@ function ($response) {
      * @param  string $filter_by A string that can be used to filter the list to only return assets containing the text. Checks it against the AssetName, AssetNumber, Description and AssetTypeName fields. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getAssetsAsyncWithHttpInfo($xero_tenant_id$status$page = null$page_size = null$order_by = null$sort_direction = null$filter_by = null)
+    public function getAssetsAsyncWithHttpInfo($xero_tenant_id, $status, $page = null, $page_size = null, $order_by = null, $sort_direction = null, $filter_by = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Asset\Assets';
-        $request = $this->getAssetsRequest($xero_tenant_id$status$page$page_size$order_by$sort_direction$filter_by);
+        $request = $this->getAssetsRequest($xero_tenant_id, $status, $page, $page_size, $order_by, $sort_direction, $filter_by);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1464,7 +1464,7 @@ function ($exception) {
      * @param  string $filter_by A string that can be used to filter the list to only return assets containing the text. Checks it against the AssetName, AssetNumber, Description and AssetTypeName fields. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getAssetsRequest($xero_tenant_id$status$page = null$page_size = null$order_by = null$sort_direction = null$filter_by = null)
+    protected function getAssetsRequest($xero_tenant_id, $status, $page = null, $page_size = null, $order_by = null, $sort_direction = null, $filter_by = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
diff --git a/lib/Api/FilesApi.php b/lib/Api/FilesApi.php
index fff45bf9..c4118923 100644
--- a/lib/Api/FilesApi.php
+++ b/lib/Api/FilesApi.php
@@ -17,7 +17,7 @@
  * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
@@ -95,9 +95,9 @@ public function getConfig()
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\File\Association
      */
-    public function createFileAssociation($xero_tenant_id$file_id$association = null)
+    public function createFileAssociation($xero_tenant_id, $file_id, $association = null)
     {
-        list($response) = $this->createFileAssociationWithHttpInfo($xero_tenant_id$file_id$association);
+        list($response) = $this->createFileAssociationWithHttpInfo($xero_tenant_id, $file_id, $association);
         return $response;
     }
     /**
@@ -110,9 +110,9 @@ public function createFileAssociation($xero_tenant_id$file_id$association = null
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\File\Association, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createFileAssociationWithHttpInfo($xero_tenant_id$file_id$association = null)
+    public function createFileAssociationWithHttpInfo($xero_tenant_id, $file_id, $association = null)
     {
-        $request = $this->createFileAssociationRequest($xero_tenant_id$file_id$association);
+        $request = $this->createFileAssociationRequest($xero_tenant_id, $file_id, $association);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -187,9 +187,9 @@ public function createFileAssociationWithHttpInfo($xero_tenant_id$file_id$associ
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createFileAssociationAsync($xero_tenant_id$file_id$association = null)
+    public function createFileAssociationAsync($xero_tenant_id, $file_id, $association = null)
     {
-        return $this->createFileAssociationAsyncWithHttpInfo($xero_tenant_id$file_id$association)
+        return $this->createFileAssociationAsyncWithHttpInfo($xero_tenant_id, $file_id, $association)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -204,10 +204,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\File\Association $association (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createFileAssociationAsyncWithHttpInfo($xero_tenant_id$file_id$association = null)
+    public function createFileAssociationAsyncWithHttpInfo($xero_tenant_id, $file_id, $association = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\File\Association';
-        $request = $this->createFileAssociationRequest($xero_tenant_id$file_id$association);
+        $request = $this->createFileAssociationRequest($xero_tenant_id, $file_id, $association);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -248,7 +248,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\File\Association $association (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createFileAssociationRequest($xero_tenant_id$file_id$association = null)
+    protected function createFileAssociationRequest($xero_tenant_id, $file_id, $association = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -352,9 +352,9 @@ protected function createFileAssociationRequest($xero_tenant_id$file_id$associat
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\File\Folder
      */
-    public function createFolder($xero_tenant_id$folder = null)
+    public function createFolder($xero_tenant_id, $folder = null)
     {
-        list($response) = $this->createFolderWithHttpInfo($xero_tenant_id$folder);
+        list($response) = $this->createFolderWithHttpInfo($xero_tenant_id, $folder);
         return $response;
     }
     /**
@@ -366,9 +366,9 @@ public function createFolder($xero_tenant_id$folder = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\File\Folder, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createFolderWithHttpInfo($xero_tenant_id$folder = null)
+    public function createFolderWithHttpInfo($xero_tenant_id, $folder = null)
     {
-        $request = $this->createFolderRequest($xero_tenant_id$folder);
+        $request = $this->createFolderRequest($xero_tenant_id, $folder);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -442,9 +442,9 @@ public function createFolderWithHttpInfo($xero_tenant_id$folder = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createFolderAsync($xero_tenant_id$folder = null)
+    public function createFolderAsync($xero_tenant_id, $folder = null)
     {
-        return $this->createFolderAsyncWithHttpInfo($xero_tenant_id$folder)
+        return $this->createFolderAsyncWithHttpInfo($xero_tenant_id, $folder)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -458,10 +458,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\File\Folder $folder (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createFolderAsyncWithHttpInfo($xero_tenant_id$folder = null)
+    public function createFolderAsyncWithHttpInfo($xero_tenant_id, $folder = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\File\Folder';
-        $request = $this->createFolderRequest($xero_tenant_id$folder);
+        $request = $this->createFolderRequest($xero_tenant_id, $folder);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -501,7 +501,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\File\Folder $folder (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createFolderRequest($xero_tenant_id$folder = null)
+    protected function createFolderRequest($xero_tenant_id, $folder = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -591,9 +591,9 @@ protected function createFolderRequest($xero_tenant_id$folder = null)
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function deleteFile($xero_tenant_id$file_id)
+    public function deleteFile($xero_tenant_id, $file_id)
     {
-        $this->deleteFileWithHttpInfo($xero_tenant_id$file_id);
+        $this->deleteFileWithHttpInfo($xero_tenant_id, $file_id);
     }
     /**
      * Operation deleteFileWithHttpInfo
@@ -604,9 +604,9 @@ public function deleteFile($xero_tenant_id$file_id)
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteFileWithHttpInfo($xero_tenant_id$file_id)
+    public function deleteFileWithHttpInfo($xero_tenant_id, $file_id)
     {
-        $request = $this->deleteFileRequest($xero_tenant_id$file_id);
+        $request = $this->deleteFileRequest($xero_tenant_id, $file_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -647,9 +647,9 @@ public function deleteFileWithHttpInfo($xero_tenant_id$file_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteFileAsync($xero_tenant_id$file_id)
+    public function deleteFileAsync($xero_tenant_id, $file_id)
     {
-        return $this->deleteFileAsyncWithHttpInfo($xero_tenant_id$file_id)
+        return $this->deleteFileAsyncWithHttpInfo($xero_tenant_id, $file_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -663,10 +663,10 @@ function ($response) {
      * @param  string $file_id File id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteFileAsyncWithHttpInfo($xero_tenant_id$file_id)
+    public function deleteFileAsyncWithHttpInfo($xero_tenant_id, $file_id)
     {
         $returnType = '';
-        $request = $this->deleteFileRequest($xero_tenant_id$file_id);
+        $request = $this->deleteFileRequest($xero_tenant_id, $file_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -696,7 +696,7 @@ function ($exception) {
      * @param  string $file_id File id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteFileRequest($xero_tenant_id$file_id)
+    protected function deleteFileRequest($xero_tenant_id, $file_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -798,9 +798,9 @@ protected function deleteFileRequest($xero_tenant_id$file_id)
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function deleteFileAssociation($xero_tenant_id$file_id$object_id)
+    public function deleteFileAssociation($xero_tenant_id, $file_id, $object_id)
     {
-        $this->deleteFileAssociationWithHttpInfo($xero_tenant_id$file_id$object_id);
+        $this->deleteFileAssociationWithHttpInfo($xero_tenant_id, $file_id, $object_id);
     }
     /**
      * Operation deleteFileAssociationWithHttpInfo
@@ -812,9 +812,9 @@ public function deleteFileAssociation($xero_tenant_id$file_id$object_id)
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteFileAssociationWithHttpInfo($xero_tenant_id$file_id$object_id)
+    public function deleteFileAssociationWithHttpInfo($xero_tenant_id, $file_id, $object_id)
     {
-        $request = $this->deleteFileAssociationRequest($xero_tenant_id$file_id$object_id);
+        $request = $this->deleteFileAssociationRequest($xero_tenant_id, $file_id, $object_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -856,9 +856,9 @@ public function deleteFileAssociationWithHttpInfo($xero_tenant_id$file_id$object
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteFileAssociationAsync($xero_tenant_id$file_id$object_id)
+    public function deleteFileAssociationAsync($xero_tenant_id, $file_id, $object_id)
     {
-        return $this->deleteFileAssociationAsyncWithHttpInfo($xero_tenant_id$file_id$object_id)
+        return $this->deleteFileAssociationAsyncWithHttpInfo($xero_tenant_id, $file_id, $object_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -873,10 +873,10 @@ function ($response) {
      * @param  string $object_id Object id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteFileAssociationAsyncWithHttpInfo($xero_tenant_id$file_id$object_id)
+    public function deleteFileAssociationAsyncWithHttpInfo($xero_tenant_id, $file_id, $object_id)
     {
         $returnType = '';
-        $request = $this->deleteFileAssociationRequest($xero_tenant_id$file_id$object_id);
+        $request = $this->deleteFileAssociationRequest($xero_tenant_id, $file_id, $object_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -907,7 +907,7 @@ function ($exception) {
      * @param  string $object_id Object id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteFileAssociationRequest($xero_tenant_id$file_id$object_id)
+    protected function deleteFileAssociationRequest($xero_tenant_id, $file_id, $object_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1022,9 +1022,9 @@ protected function deleteFileAssociationRequest($xero_tenant_id$file_id$object_i
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function deleteFolder($xero_tenant_id$folder_id)
+    public function deleteFolder($xero_tenant_id, $folder_id)
     {
-        $this->deleteFolderWithHttpInfo($xero_tenant_id$folder_id);
+        $this->deleteFolderWithHttpInfo($xero_tenant_id, $folder_id);
     }
     /**
      * Operation deleteFolderWithHttpInfo
@@ -1035,9 +1035,9 @@ public function deleteFolder($xero_tenant_id$folder_id)
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteFolderWithHttpInfo($xero_tenant_id$folder_id)
+    public function deleteFolderWithHttpInfo($xero_tenant_id, $folder_id)
     {
-        $request = $this->deleteFolderRequest($xero_tenant_id$folder_id);
+        $request = $this->deleteFolderRequest($xero_tenant_id, $folder_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1078,9 +1078,9 @@ public function deleteFolderWithHttpInfo($xero_tenant_id$folder_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteFolderAsync($xero_tenant_id$folder_id)
+    public function deleteFolderAsync($xero_tenant_id, $folder_id)
     {
-        return $this->deleteFolderAsyncWithHttpInfo($xero_tenant_id$folder_id)
+        return $this->deleteFolderAsyncWithHttpInfo($xero_tenant_id, $folder_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1094,10 +1094,10 @@ function ($response) {
      * @param  string $folder_id Folder id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteFolderAsyncWithHttpInfo($xero_tenant_id$folder_id)
+    public function deleteFolderAsyncWithHttpInfo($xero_tenant_id, $folder_id)
     {
         $returnType = '';
-        $request = $this->deleteFolderRequest($xero_tenant_id$folder_id);
+        $request = $this->deleteFolderRequest($xero_tenant_id, $folder_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1127,7 +1127,7 @@ function ($exception) {
      * @param  string $folder_id Folder id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteFolderRequest($xero_tenant_id$folder_id)
+    protected function deleteFolderRequest($xero_tenant_id, $folder_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1228,9 +1228,9 @@ protected function deleteFolderRequest($xero_tenant_id$folder_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\File\Association[]
      */
-    public function getAssociationsByObject($xero_tenant_id$object_id)
+    public function getAssociationsByObject($xero_tenant_id, $object_id)
     {
-        list($response) = $this->getAssociationsByObjectWithHttpInfo($xero_tenant_id$object_id);
+        list($response) = $this->getAssociationsByObjectWithHttpInfo($xero_tenant_id, $object_id);
         return $response;
     }
     /**
@@ -1242,9 +1242,9 @@ public function getAssociationsByObject($xero_tenant_id$object_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\File\Association[], HTTP status code, HTTP response headers (array of strings)
      */
-    public function getAssociationsByObjectWithHttpInfo($xero_tenant_id$object_id)
+    public function getAssociationsByObjectWithHttpInfo($xero_tenant_id, $object_id)
     {
-        $request = $this->getAssociationsByObjectRequest($xero_tenant_id$object_id);
+        $request = $this->getAssociationsByObjectRequest($xero_tenant_id, $object_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1318,9 +1318,9 @@ public function getAssociationsByObjectWithHttpInfo($xero_tenant_id$object_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getAssociationsByObjectAsync($xero_tenant_id$object_id)
+    public function getAssociationsByObjectAsync($xero_tenant_id, $object_id)
     {
-        return $this->getAssociationsByObjectAsyncWithHttpInfo($xero_tenant_id$object_id)
+        return $this->getAssociationsByObjectAsyncWithHttpInfo($xero_tenant_id, $object_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1334,10 +1334,10 @@ function ($response) {
      * @param  string $object_id Object id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getAssociationsByObjectAsyncWithHttpInfo($xero_tenant_id$object_id)
+    public function getAssociationsByObjectAsyncWithHttpInfo($xero_tenant_id, $object_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\File\Association[]';
-        $request = $this->getAssociationsByObjectRequest($xero_tenant_id$object_id);
+        $request = $this->getAssociationsByObjectRequest($xero_tenant_id, $object_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1377,7 +1377,7 @@ function ($exception) {
      * @param  string $object_id Object id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getAssociationsByObjectRequest($xero_tenant_id$object_id)
+    protected function getAssociationsByObjectRequest($xero_tenant_id, $object_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1478,9 +1478,9 @@ protected function getAssociationsByObjectRequest($xero_tenant_id$object_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\File\FileObject
      */
-    public function getFile($xero_tenant_id$file_id)
+    public function getFile($xero_tenant_id, $file_id)
     {
-        list($response) = $this->getFileWithHttpInfo($xero_tenant_id$file_id);
+        list($response) = $this->getFileWithHttpInfo($xero_tenant_id, $file_id);
         return $response;
     }
     /**
@@ -1492,9 +1492,9 @@ public function getFile($xero_tenant_id$file_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\File\FileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getFileWithHttpInfo($xero_tenant_id$file_id)
+    public function getFileWithHttpInfo($xero_tenant_id, $file_id)
     {
-        $request = $this->getFileRequest($xero_tenant_id$file_id);
+        $request = $this->getFileRequest($xero_tenant_id, $file_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1568,9 +1568,9 @@ public function getFileWithHttpInfo($xero_tenant_id$file_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getFileAsync($xero_tenant_id$file_id)
+    public function getFileAsync($xero_tenant_id, $file_id)
     {
-        return $this->getFileAsyncWithHttpInfo($xero_tenant_id$file_id)
+        return $this->getFileAsyncWithHttpInfo($xero_tenant_id, $file_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1584,10 +1584,10 @@ function ($response) {
      * @param  string $file_id File id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getFileAsyncWithHttpInfo($xero_tenant_id$file_id)
+    public function getFileAsyncWithHttpInfo($xero_tenant_id, $file_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\File\FileObject';
-        $request = $this->getFileRequest($xero_tenant_id$file_id);
+        $request = $this->getFileRequest($xero_tenant_id, $file_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1627,7 +1627,7 @@ function ($exception) {
      * @param  string $file_id File id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getFileRequest($xero_tenant_id$file_id)
+    protected function getFileRequest($xero_tenant_id, $file_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1728,9 +1728,9 @@ protected function getFileRequest($xero_tenant_id$file_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\File\Association[]
      */
-    public function getFileAssociations($xero_tenant_id$file_id)
+    public function getFileAssociations($xero_tenant_id, $file_id)
     {
-        list($response) = $this->getFileAssociationsWithHttpInfo($xero_tenant_id$file_id);
+        list($response) = $this->getFileAssociationsWithHttpInfo($xero_tenant_id, $file_id);
         return $response;
     }
     /**
@@ -1742,9 +1742,9 @@ public function getFileAssociations($xero_tenant_id$file_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\File\Association[], HTTP status code, HTTP response headers (array of strings)
      */
-    public function getFileAssociationsWithHttpInfo($xero_tenant_id$file_id)
+    public function getFileAssociationsWithHttpInfo($xero_tenant_id, $file_id)
     {
-        $request = $this->getFileAssociationsRequest($xero_tenant_id$file_id);
+        $request = $this->getFileAssociationsRequest($xero_tenant_id, $file_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1818,9 +1818,9 @@ public function getFileAssociationsWithHttpInfo($xero_tenant_id$file_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getFileAssociationsAsync($xero_tenant_id$file_id)
+    public function getFileAssociationsAsync($xero_tenant_id, $file_id)
     {
-        return $this->getFileAssociationsAsyncWithHttpInfo($xero_tenant_id$file_id)
+        return $this->getFileAssociationsAsyncWithHttpInfo($xero_tenant_id, $file_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1834,10 +1834,10 @@ function ($response) {
      * @param  string $file_id File id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getFileAssociationsAsyncWithHttpInfo($xero_tenant_id$file_id)
+    public function getFileAssociationsAsyncWithHttpInfo($xero_tenant_id, $file_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\File\Association[]';
-        $request = $this->getFileAssociationsRequest($xero_tenant_id$file_id);
+        $request = $this->getFileAssociationsRequest($xero_tenant_id, $file_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1877,7 +1877,7 @@ function ($exception) {
      * @param  string $file_id File id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getFileAssociationsRequest($xero_tenant_id$file_id)
+    protected function getFileAssociationsRequest($xero_tenant_id, $file_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1978,9 +1978,9 @@ protected function getFileAssociationsRequest($xero_tenant_id$file_id)
      * @throws \InvalidArgumentException
      * @return \SplFileObject
      */
-    public function getFileContent($xero_tenant_id$file_id)
+    public function getFileContent($xero_tenant_id, $file_id)
     {
-        list($response) = $this->getFileContentWithHttpInfo($xero_tenant_id$file_id);
+        list($response) = $this->getFileContentWithHttpInfo($xero_tenant_id, $file_id);
         return $response;
     }
     /**
@@ -1992,9 +1992,9 @@ public function getFileContent($xero_tenant_id$file_id)
      * @throws \InvalidArgumentException
      * @return array of \SplFileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getFileContentWithHttpInfo($xero_tenant_id$file_id)
+    public function getFileContentWithHttpInfo($xero_tenant_id, $file_id)
     {
-        $request = $this->getFileContentRequest($xero_tenant_id$file_id);
+        $request = $this->getFileContentRequest($xero_tenant_id, $file_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2068,9 +2068,9 @@ public function getFileContentWithHttpInfo($xero_tenant_id$file_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getFileContentAsync($xero_tenant_id$file_id)
+    public function getFileContentAsync($xero_tenant_id, $file_id)
     {
-        return $this->getFileContentAsyncWithHttpInfo($xero_tenant_id$file_id)
+        return $this->getFileContentAsyncWithHttpInfo($xero_tenant_id, $file_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2084,10 +2084,10 @@ function ($response) {
      * @param  string $file_id File id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getFileContentAsyncWithHttpInfo($xero_tenant_id$file_id)
+    public function getFileContentAsyncWithHttpInfo($xero_tenant_id, $file_id)
     {
         $returnType = '\SplFileObject';
-        $request = $this->getFileContentRequest($xero_tenant_id$file_id);
+        $request = $this->getFileContentRequest($xero_tenant_id, $file_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2127,7 +2127,7 @@ function ($exception) {
      * @param  string $file_id File id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getFileContentRequest($xero_tenant_id$file_id)
+    protected function getFileContentRequest($xero_tenant_id, $file_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2230,9 +2230,9 @@ protected function getFileContentRequest($xero_tenant_id$file_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\File\Files
      */
-    public function getFiles($xero_tenant_id$pagesize = null$page = null$sort = null)
+    public function getFiles($xero_tenant_id, $pagesize = null, $page = null, $sort = null)
     {
-        list($response) = $this->getFilesWithHttpInfo($xero_tenant_id$pagesize$page$sort);
+        list($response) = $this->getFilesWithHttpInfo($xero_tenant_id, $pagesize, $page, $sort);
         return $response;
     }
     /**
@@ -2246,9 +2246,9 @@ public function getFiles($xero_tenant_id$pagesize = null$page = null$sort = null
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\File\Files, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getFilesWithHttpInfo($xero_tenant_id$pagesize = null$page = null$sort = null)
+    public function getFilesWithHttpInfo($xero_tenant_id, $pagesize = null, $page = null, $sort = null)
     {
-        $request = $this->getFilesRequest($xero_tenant_id$pagesize$page$sort);
+        $request = $this->getFilesRequest($xero_tenant_id, $pagesize, $page, $sort);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2324,9 +2324,9 @@ public function getFilesWithHttpInfo($xero_tenant_id$pagesize = null$page = null
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getFilesAsync($xero_tenant_id$pagesize = null$page = null$sort = null)
+    public function getFilesAsync($xero_tenant_id, $pagesize = null, $page = null, $sort = null)
     {
-        return $this->getFilesAsyncWithHttpInfo($xero_tenant_id$pagesize$page$sort)
+        return $this->getFilesAsyncWithHttpInfo($xero_tenant_id, $pagesize, $page, $sort)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2342,10 +2342,10 @@ function ($response) {
      * @param  string $sort values to sort by (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getFilesAsyncWithHttpInfo($xero_tenant_id$pagesize = null$page = null$sort = null)
+    public function getFilesAsyncWithHttpInfo($xero_tenant_id, $pagesize = null, $page = null, $sort = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\File\Files';
-        $request = $this->getFilesRequest($xero_tenant_id$pagesize$page$sort);
+        $request = $this->getFilesRequest($xero_tenant_id, $pagesize, $page, $sort);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2387,7 +2387,7 @@ function ($exception) {
      * @param  string $sort values to sort by (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getFilesRequest($xero_tenant_id$pagesize = null$page = null$sort = null)
+    protected function getFilesRequest($xero_tenant_id, $pagesize = null, $page = null, $sort = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2494,9 +2494,9 @@ protected function getFilesRequest($xero_tenant_id$pagesize = null$page = null$s
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\File\Folder
      */
-    public function getFolder($xero_tenant_id$folder_id)
+    public function getFolder($xero_tenant_id, $folder_id)
     {
-        list($response) = $this->getFolderWithHttpInfo($xero_tenant_id$folder_id);
+        list($response) = $this->getFolderWithHttpInfo($xero_tenant_id, $folder_id);
         return $response;
     }
     /**
@@ -2508,9 +2508,9 @@ public function getFolder($xero_tenant_id$folder_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\File\Folder, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getFolderWithHttpInfo($xero_tenant_id$folder_id)
+    public function getFolderWithHttpInfo($xero_tenant_id, $folder_id)
     {
-        $request = $this->getFolderRequest($xero_tenant_id$folder_id);
+        $request = $this->getFolderRequest($xero_tenant_id, $folder_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2584,9 +2584,9 @@ public function getFolderWithHttpInfo($xero_tenant_id$folder_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getFolderAsync($xero_tenant_id$folder_id)
+    public function getFolderAsync($xero_tenant_id, $folder_id)
     {
-        return $this->getFolderAsyncWithHttpInfo($xero_tenant_id$folder_id)
+        return $this->getFolderAsyncWithHttpInfo($xero_tenant_id, $folder_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2600,10 +2600,10 @@ function ($response) {
      * @param  string $folder_id Folder id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getFolderAsyncWithHttpInfo($xero_tenant_id$folder_id)
+    public function getFolderAsyncWithHttpInfo($xero_tenant_id, $folder_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\File\Folder';
-        $request = $this->getFolderRequest($xero_tenant_id$folder_id);
+        $request = $this->getFolderRequest($xero_tenant_id, $folder_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2643,7 +2643,7 @@ function ($exception) {
      * @param  string $folder_id Folder id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getFolderRequest($xero_tenant_id$folder_id)
+    protected function getFolderRequest($xero_tenant_id, $folder_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2744,9 +2744,9 @@ protected function getFolderRequest($xero_tenant_id$folder_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\File\Folder[]
      */
-    public function getFolders($xero_tenant_id$sort = null)
+    public function getFolders($xero_tenant_id, $sort = null)
     {
-        list($response) = $this->getFoldersWithHttpInfo($xero_tenant_id$sort);
+        list($response) = $this->getFoldersWithHttpInfo($xero_tenant_id, $sort);
         return $response;
     }
     /**
@@ -2758,9 +2758,9 @@ public function getFolders($xero_tenant_id$sort = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\File\Folder[], HTTP status code, HTTP response headers (array of strings)
      */
-    public function getFoldersWithHttpInfo($xero_tenant_id$sort = null)
+    public function getFoldersWithHttpInfo($xero_tenant_id, $sort = null)
     {
-        $request = $this->getFoldersRequest($xero_tenant_id$sort);
+        $request = $this->getFoldersRequest($xero_tenant_id, $sort);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2834,9 +2834,9 @@ public function getFoldersWithHttpInfo($xero_tenant_id$sort = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getFoldersAsync($xero_tenant_id$sort = null)
+    public function getFoldersAsync($xero_tenant_id, $sort = null)
     {
-        return $this->getFoldersAsyncWithHttpInfo($xero_tenant_id$sort)
+        return $this->getFoldersAsyncWithHttpInfo($xero_tenant_id, $sort)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2850,10 +2850,10 @@ function ($response) {
      * @param  string $sort values to sort by (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getFoldersAsyncWithHttpInfo($xero_tenant_id$sort = null)
+    public function getFoldersAsyncWithHttpInfo($xero_tenant_id, $sort = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\File\Folder[]';
-        $request = $this->getFoldersRequest($xero_tenant_id$sort);
+        $request = $this->getFoldersRequest($xero_tenant_id, $sort);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2893,7 +2893,7 @@ function ($exception) {
      * @param  string $sort values to sort by (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getFoldersRequest($xero_tenant_id$sort = null)
+    protected function getFoldersRequest($xero_tenant_id, $sort = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3216,9 +3216,9 @@ protected function getInboxRequest($xero_tenant_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\File\FileObject
      */
-    public function updateFile($xero_tenant_id$file_id$file_object = null)
+    public function updateFile($xero_tenant_id, $file_id, $file_object = null)
     {
-        list($response) = $this->updateFileWithHttpInfo($xero_tenant_id$file_id$file_object);
+        list($response) = $this->updateFileWithHttpInfo($xero_tenant_id, $file_id, $file_object);
         return $response;
     }
     /**
@@ -3231,9 +3231,9 @@ public function updateFile($xero_tenant_id$file_id$file_object = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\File\FileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateFileWithHttpInfo($xero_tenant_id$file_id$file_object = null)
+    public function updateFileWithHttpInfo($xero_tenant_id, $file_id, $file_object = null)
     {
-        $request = $this->updateFileRequest($xero_tenant_id$file_id$file_object);
+        $request = $this->updateFileRequest($xero_tenant_id, $file_id, $file_object);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3308,9 +3308,9 @@ public function updateFileWithHttpInfo($xero_tenant_id$file_id$file_object = nul
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateFileAsync($xero_tenant_id$file_id$file_object = null)
+    public function updateFileAsync($xero_tenant_id, $file_id, $file_object = null)
     {
-        return $this->updateFileAsyncWithHttpInfo($xero_tenant_id$file_id$file_object)
+        return $this->updateFileAsyncWithHttpInfo($xero_tenant_id, $file_id, $file_object)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3325,10 +3325,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\File\FileObject $file_object (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateFileAsyncWithHttpInfo($xero_tenant_id$file_id$file_object = null)
+    public function updateFileAsyncWithHttpInfo($xero_tenant_id, $file_id, $file_object = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\File\FileObject';
-        $request = $this->updateFileRequest($xero_tenant_id$file_id$file_object);
+        $request = $this->updateFileRequest($xero_tenant_id, $file_id, $file_object);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3369,7 +3369,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\File\FileObject $file_object (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateFileRequest($xero_tenant_id$file_id$file_object = null)
+    protected function updateFileRequest($xero_tenant_id, $file_id, $file_object = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3474,9 +3474,9 @@ protected function updateFileRequest($xero_tenant_id$file_id$file_object = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\File\Folder
      */
-    public function updateFolder($xero_tenant_id$folder_id$folder)
+    public function updateFolder($xero_tenant_id, $folder_id, $folder)
     {
-        list($response) = $this->updateFolderWithHttpInfo($xero_tenant_id$folder_id$folder);
+        list($response) = $this->updateFolderWithHttpInfo($xero_tenant_id, $folder_id, $folder);
         return $response;
     }
     /**
@@ -3489,9 +3489,9 @@ public function updateFolder($xero_tenant_id$folder_id$folder)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\File\Folder, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateFolderWithHttpInfo($xero_tenant_id$folder_id$folder)
+    public function updateFolderWithHttpInfo($xero_tenant_id, $folder_id, $folder)
     {
-        $request = $this->updateFolderRequest($xero_tenant_id$folder_id$folder);
+        $request = $this->updateFolderRequest($xero_tenant_id, $folder_id, $folder);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3566,9 +3566,9 @@ public function updateFolderWithHttpInfo($xero_tenant_id$folder_id$folder)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateFolderAsync($xero_tenant_id$folder_id$folder)
+    public function updateFolderAsync($xero_tenant_id, $folder_id, $folder)
     {
-        return $this->updateFolderAsyncWithHttpInfo($xero_tenant_id$folder_id$folder)
+        return $this->updateFolderAsyncWithHttpInfo($xero_tenant_id, $folder_id, $folder)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3583,10 +3583,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\File\Folder $folder (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateFolderAsyncWithHttpInfo($xero_tenant_id$folder_id$folder)
+    public function updateFolderAsyncWithHttpInfo($xero_tenant_id, $folder_id, $folder)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\File\Folder';
-        $request = $this->updateFolderRequest($xero_tenant_id$folder_id$folder);
+        $request = $this->updateFolderRequest($xero_tenant_id, $folder_id, $folder);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3627,7 +3627,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\File\Folder $folder (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateFolderRequest($xero_tenant_id$folder_id$folder)
+    protected function updateFolderRequest($xero_tenant_id, $folder_id, $folder)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3740,9 +3740,9 @@ protected function updateFolderRequest($xero_tenant_id$folder_id$folder)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\File\FileObject
      */
-    public function uploadFile($xero_tenant_id$body$name$filename$mime_type = null)
+    public function uploadFile($xero_tenant_id, $body, $name, $filename, $mime_type = null)
     {
-        list($response) = $this->uploadFileWithHttpInfo($xero_tenant_id$body$name$filename$mime_type);
+        list($response) = $this->uploadFileWithHttpInfo($xero_tenant_id, $body, $name, $filename, $mime_type);
         return $response;
     }
     /**
@@ -3757,9 +3757,9 @@ public function uploadFile($xero_tenant_id$body$name$filename$mime_type = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\File\FileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function uploadFileWithHttpInfo($xero_tenant_id$body$name$filename$mime_type = null)
+    public function uploadFileWithHttpInfo($xero_tenant_id, $body, $name, $filename, $mime_type = null)
     {
-        $request = $this->uploadFileRequest($xero_tenant_id$body$name$filename$mime_type);
+        $request = $this->uploadFileRequest($xero_tenant_id, $body, $name, $filename, $mime_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3836,9 +3836,9 @@ public function uploadFileWithHttpInfo($xero_tenant_id$body$name$filename$mime_t
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function uploadFileAsync($xero_tenant_id$body$name$filename$mime_type = null)
+    public function uploadFileAsync($xero_tenant_id, $body, $name, $filename, $mime_type = null)
     {
-        return $this->uploadFileAsyncWithHttpInfo($xero_tenant_id$body$name$filename$mime_type)
+        return $this->uploadFileAsyncWithHttpInfo($xero_tenant_id, $body, $name, $filename, $mime_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3855,10 +3855,10 @@ function ($response) {
      * @param  string $mime_type (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function uploadFileAsyncWithHttpInfo($xero_tenant_id$body$name$filename$mime_type = null)
+    public function uploadFileAsyncWithHttpInfo($xero_tenant_id, $body, $name, $filename, $mime_type = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\File\FileObject';
-        $request = $this->uploadFileRequest($xero_tenant_id$body$name$filename$mime_type);
+        $request = $this->uploadFileRequest($xero_tenant_id, $body, $name, $filename, $mime_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3901,7 +3901,7 @@ function ($exception) {
      * @param  string $mime_type (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function uploadFileRequest($xero_tenant_id$body$name$filename$mime_type = null)
+    protected function uploadFileRequest($xero_tenant_id, $body, $name, $filename, $mime_type = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3983,9 +3983,9 @@ protected function uploadFileRequest($xero_tenant_id$body$name$filename$mime_typ
                 $multipartContents = [
                     [
                         'Content-type' => 'multipart/form-data',
-                        'contents' => $body
-                        'name' => $name
-                        'filename' => $filename
+                        'contents' => $body,
+                        'name' => $name,
+                        'filename' => $filename,
                         'mimeType' => $mime_type
                     ]
                 ];
@@ -4035,9 +4035,9 @@ protected function uploadFileRequest($xero_tenant_id$body$name$filename$mime_typ
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\File\FileObject
      */
-    public function uploadFileToFolder($xero_tenant_id$folder_id$body$name$filename$mime_type = null)
+    public function uploadFileToFolder($xero_tenant_id, $folder_id, $body, $name, $filename, $mime_type = null)
     {
-        list($response) = $this->uploadFileToFolderWithHttpInfo($xero_tenant_id$folder_id$body$name$filename$mime_type);
+        list($response) = $this->uploadFileToFolderWithHttpInfo($xero_tenant_id, $folder_id, $body, $name, $filename, $mime_type);
         return $response;
     }
     /**
@@ -4053,9 +4053,9 @@ public function uploadFileToFolder($xero_tenant_id$folder_id$body$name$filename$
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\File\FileObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function uploadFileToFolderWithHttpInfo($xero_tenant_id$folder_id$body$name$filename$mime_type = null)
+    public function uploadFileToFolderWithHttpInfo($xero_tenant_id, $folder_id, $body, $name, $filename, $mime_type = null)
     {
-        $request = $this->uploadFileToFolderRequest($xero_tenant_id$folder_id$body$name$filename$mime_type);
+        $request = $this->uploadFileToFolderRequest($xero_tenant_id, $folder_id, $body, $name, $filename, $mime_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4133,9 +4133,9 @@ public function uploadFileToFolderWithHttpInfo($xero_tenant_id$folder_id$body$na
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function uploadFileToFolderAsync($xero_tenant_id$folder_id$body$name$filename$mime_type = null)
+    public function uploadFileToFolderAsync($xero_tenant_id, $folder_id, $body, $name, $filename, $mime_type = null)
     {
-        return $this->uploadFileToFolderAsyncWithHttpInfo($xero_tenant_id$folder_id$body$name$filename$mime_type)
+        return $this->uploadFileToFolderAsyncWithHttpInfo($xero_tenant_id, $folder_id, $body, $name, $filename, $mime_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4153,10 +4153,10 @@ function ($response) {
      * @param  string $mime_type (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function uploadFileToFolderAsyncWithHttpInfo($xero_tenant_id$folder_id$body$name$filename$mime_type = null)
+    public function uploadFileToFolderAsyncWithHttpInfo($xero_tenant_id, $folder_id, $body, $name, $filename, $mime_type = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\File\FileObject';
-        $request = $this->uploadFileToFolderRequest($xero_tenant_id$folder_id$body$name$filename$mime_type);
+        $request = $this->uploadFileToFolderRequest($xero_tenant_id, $folder_id, $body, $name, $filename, $mime_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4200,7 +4200,7 @@ function ($exception) {
      * @param  string $mime_type (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function uploadFileToFolderRequest($xero_tenant_id$folder_id$body$name$filename$mime_type = null)
+    protected function uploadFileToFolderRequest($xero_tenant_id, $folder_id, $body, $name, $filename, $mime_type = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4296,9 +4296,9 @@ protected function uploadFileToFolderRequest($xero_tenant_id$folder_id$body$name
                 $multipartContents = [
                     [
                         'Content-type' => 'multipart/form-data',
-                        'contents' => $body
-                        'name' => $name
-                        'filename' => $filename
+                        'contents' => $body,
+                        'name' => $name,
+                        'filename' => $filename,
                         'mimeType' => $mime_type
                     ]
                 ];
diff --git a/lib/Api/FinanceApi.php b/lib/Api/FinanceApi.php
index 8d7f0602..a582dbe4 100644
--- a/lib/Api/FinanceApi.php
+++ b/lib/Api/FinanceApi.php
@@ -17,7 +17,7 @@
  * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
@@ -95,9 +95,9 @@ public function getConfig()
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Finance\AccountUsageResponse|\XeroAPI\XeroPHP\Models\Finance\Problem
      */
-    public function getAccountingActivityAccountUsage($xero_tenant_id$start_month = null$end_month = null)
+    public function getAccountingActivityAccountUsage($xero_tenant_id, $start_month = null, $end_month = null)
     {
-        list($response) = $this->getAccountingActivityAccountUsageWithHttpInfo($xero_tenant_id$start_month$end_month);
+        list($response) = $this->getAccountingActivityAccountUsageWithHttpInfo($xero_tenant_id, $start_month, $end_month);
         return $response;
     }
     /**
@@ -110,9 +110,9 @@ public function getAccountingActivityAccountUsage($xero_tenant_id$start_month =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Finance\AccountUsageResponse|\XeroAPI\XeroPHP\Models\Finance\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getAccountingActivityAccountUsageWithHttpInfo($xero_tenant_id$start_month = null$end_month = null)
+    public function getAccountingActivityAccountUsageWithHttpInfo($xero_tenant_id, $start_month = null, $end_month = null)
     {
-        $request = $this->getAccountingActivityAccountUsageRequest($xero_tenant_id$start_month$end_month);
+        $request = $this->getAccountingActivityAccountUsageRequest($xero_tenant_id, $start_month, $end_month);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -206,9 +206,9 @@ public function getAccountingActivityAccountUsageWithHttpInfo($xero_tenant_id$st
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getAccountingActivityAccountUsageAsync($xero_tenant_id$start_month = null$end_month = null)
+    public function getAccountingActivityAccountUsageAsync($xero_tenant_id, $start_month = null, $end_month = null)
     {
-        return $this->getAccountingActivityAccountUsageAsyncWithHttpInfo($xero_tenant_id$start_month$end_month)
+        return $this->getAccountingActivityAccountUsageAsyncWithHttpInfo($xero_tenant_id, $start_month, $end_month)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -223,10 +223,10 @@ function ($response) {
      * @param  string $end_month date, yyyy-MM                 If no parameter is provided, the current month will be used.                Account usage for up to 12 months prior to this date will be returned. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getAccountingActivityAccountUsageAsyncWithHttpInfo($xero_tenant_id$start_month = null$end_month = null)
+    public function getAccountingActivityAccountUsageAsyncWithHttpInfo($xero_tenant_id, $start_month = null, $end_month = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Finance\AccountUsageResponse';
-        $request = $this->getAccountingActivityAccountUsageRequest($xero_tenant_id$start_month$end_month);
+        $request = $this->getAccountingActivityAccountUsageRequest($xero_tenant_id, $start_month, $end_month);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -267,7 +267,7 @@ function ($exception) {
      * @param  string $end_month date, yyyy-MM                 If no parameter is provided, the current month will be used.                Account usage for up to 12 months prior to this date will be returned. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getAccountingActivityAccountUsageRequest($xero_tenant_id$start_month = null$end_month = null)
+    protected function getAccountingActivityAccountUsageRequest($xero_tenant_id, $start_month = null, $end_month = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -362,9 +362,9 @@ protected function getAccountingActivityAccountUsageRequest($xero_tenant_id$star
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Finance\LockHistoryResponse|\XeroAPI\XeroPHP\Models\Finance\Problem
      */
-    public function getAccountingActivityLockHistory($xero_tenant_id$end_date = null)
+    public function getAccountingActivityLockHistory($xero_tenant_id, $end_date = null)
     {
-        list($response) = $this->getAccountingActivityLockHistoryWithHttpInfo($xero_tenant_id$end_date);
+        list($response) = $this->getAccountingActivityLockHistoryWithHttpInfo($xero_tenant_id, $end_date);
         return $response;
     }
     /**
@@ -376,9 +376,9 @@ public function getAccountingActivityLockHistory($xero_tenant_id$end_date = null
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Finance\LockHistoryResponse|\XeroAPI\XeroPHP\Models\Finance\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getAccountingActivityLockHistoryWithHttpInfo($xero_tenant_id$end_date = null)
+    public function getAccountingActivityLockHistoryWithHttpInfo($xero_tenant_id, $end_date = null)
     {
-        $request = $this->getAccountingActivityLockHistoryRequest($xero_tenant_id$end_date);
+        $request = $this->getAccountingActivityLockHistoryRequest($xero_tenant_id, $end_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -471,9 +471,9 @@ public function getAccountingActivityLockHistoryWithHttpInfo($xero_tenant_id$end
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getAccountingActivityLockHistoryAsync($xero_tenant_id$end_date = null)
+    public function getAccountingActivityLockHistoryAsync($xero_tenant_id, $end_date = null)
     {
-        return $this->getAccountingActivityLockHistoryAsyncWithHttpInfo($xero_tenant_id$end_date)
+        return $this->getAccountingActivityLockHistoryAsyncWithHttpInfo($xero_tenant_id, $end_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -487,10 +487,10 @@ function ($response) {
      * @param  string $end_date date, yyyy-MM-dd                 If no parameter is provided, the current date will be used.                Any changes to hard or soft lock dates that were made within the period up to 12 months before this date will be returned.                Please be aware that there may be a delay of up to 3 days before a change is visible from this API. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getAccountingActivityLockHistoryAsyncWithHttpInfo($xero_tenant_id$end_date = null)
+    public function getAccountingActivityLockHistoryAsyncWithHttpInfo($xero_tenant_id, $end_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Finance\LockHistoryResponse';
-        $request = $this->getAccountingActivityLockHistoryRequest($xero_tenant_id$end_date);
+        $request = $this->getAccountingActivityLockHistoryRequest($xero_tenant_id, $end_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -530,7 +530,7 @@ function ($exception) {
      * @param  string $end_date date, yyyy-MM-dd                 If no parameter is provided, the current date will be used.                Any changes to hard or soft lock dates that were made within the period up to 12 months before this date will be returned.                Please be aware that there may be a delay of up to 3 days before a change is visible from this API. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getAccountingActivityLockHistoryRequest($xero_tenant_id$end_date = null)
+    protected function getAccountingActivityLockHistoryRequest($xero_tenant_id, $end_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -621,9 +621,9 @@ protected function getAccountingActivityLockHistoryRequest($xero_tenant_id$end_d
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Finance\ReportHistoryResponse|\XeroAPI\XeroPHP\Models\Finance\Problem
      */
-    public function getAccountingActivityReportHistory($xero_tenant_id$end_date = null)
+    public function getAccountingActivityReportHistory($xero_tenant_id, $end_date = null)
     {
-        list($response) = $this->getAccountingActivityReportHistoryWithHttpInfo($xero_tenant_id$end_date);
+        list($response) = $this->getAccountingActivityReportHistoryWithHttpInfo($xero_tenant_id, $end_date);
         return $response;
     }
     /**
@@ -635,9 +635,9 @@ public function getAccountingActivityReportHistory($xero_tenant_id$end_date = nu
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Finance\ReportHistoryResponse|\XeroAPI\XeroPHP\Models\Finance\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getAccountingActivityReportHistoryWithHttpInfo($xero_tenant_id$end_date = null)
+    public function getAccountingActivityReportHistoryWithHttpInfo($xero_tenant_id, $end_date = null)
     {
-        $request = $this->getAccountingActivityReportHistoryRequest($xero_tenant_id$end_date);
+        $request = $this->getAccountingActivityReportHistoryRequest($xero_tenant_id, $end_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -730,9 +730,9 @@ public function getAccountingActivityReportHistoryWithHttpInfo($xero_tenant_id$e
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getAccountingActivityReportHistoryAsync($xero_tenant_id$end_date = null)
+    public function getAccountingActivityReportHistoryAsync($xero_tenant_id, $end_date = null)
     {
-        return $this->getAccountingActivityReportHistoryAsyncWithHttpInfo($xero_tenant_id$end_date)
+        return $this->getAccountingActivityReportHistoryAsyncWithHttpInfo($xero_tenant_id, $end_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -746,10 +746,10 @@ function ($response) {
      * @param  string $end_date date, yyyy-MM-dd                 If no parameter is provided, the current date will be used.                Any reports that were published within the period up to 12 months before this date will be returned.                Please be aware that there may be a delay of up to 3 days before a published report is visible from this API. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getAccountingActivityReportHistoryAsyncWithHttpInfo($xero_tenant_id$end_date = null)
+    public function getAccountingActivityReportHistoryAsyncWithHttpInfo($xero_tenant_id, $end_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Finance\ReportHistoryResponse';
-        $request = $this->getAccountingActivityReportHistoryRequest($xero_tenant_id$end_date);
+        $request = $this->getAccountingActivityReportHistoryRequest($xero_tenant_id, $end_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -789,7 +789,7 @@ function ($exception) {
      * @param  string $end_date date, yyyy-MM-dd                 If no parameter is provided, the current date will be used.                Any reports that were published within the period up to 12 months before this date will be returned.                Please be aware that there may be a delay of up to 3 days before a published report is visible from this API. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getAccountingActivityReportHistoryRequest($xero_tenant_id$end_date = null)
+    protected function getAccountingActivityReportHistoryRequest($xero_tenant_id, $end_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -880,9 +880,9 @@ protected function getAccountingActivityReportHistoryRequest($xero_tenant_id$end
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Finance\UserActivitiesResponse|\XeroAPI\XeroPHP\Models\Finance\Problem
      */
-    public function getAccountingActivityUserActivities($xero_tenant_id$data_month = null)
+    public function getAccountingActivityUserActivities($xero_tenant_id, $data_month = null)
     {
-        list($response) = $this->getAccountingActivityUserActivitiesWithHttpInfo($xero_tenant_id$data_month);
+        list($response) = $this->getAccountingActivityUserActivitiesWithHttpInfo($xero_tenant_id, $data_month);
         return $response;
     }
     /**
@@ -894,9 +894,9 @@ public function getAccountingActivityUserActivities($xero_tenant_id$data_month =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Finance\UserActivitiesResponse|\XeroAPI\XeroPHP\Models\Finance\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getAccountingActivityUserActivitiesWithHttpInfo($xero_tenant_id$data_month = null)
+    public function getAccountingActivityUserActivitiesWithHttpInfo($xero_tenant_id, $data_month = null)
     {
-        $request = $this->getAccountingActivityUserActivitiesRequest($xero_tenant_id$data_month);
+        $request = $this->getAccountingActivityUserActivitiesRequest($xero_tenant_id, $data_month);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -989,9 +989,9 @@ public function getAccountingActivityUserActivitiesWithHttpInfo($xero_tenant_id$
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getAccountingActivityUserActivitiesAsync($xero_tenant_id$data_month = null)
+    public function getAccountingActivityUserActivitiesAsync($xero_tenant_id, $data_month = null)
     {
-        return $this->getAccountingActivityUserActivitiesAsyncWithHttpInfo($xero_tenant_id$data_month)
+        return $this->getAccountingActivityUserActivitiesAsyncWithHttpInfo($xero_tenant_id, $data_month)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1005,10 +1005,10 @@ function ($response) {
      * @param  string $data_month date, yyyy-MM                 The specified month must be complete (in the past); The current month cannot be specified since it is not complete.                If no parameter is provided, the month immediately previous to the current month will be used.                Any user activities occurring within the specified month will be returned.                Please be aware that there may be a delay of up to 3 days before a user activity is visible from this API. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getAccountingActivityUserActivitiesAsyncWithHttpInfo($xero_tenant_id$data_month = null)
+    public function getAccountingActivityUserActivitiesAsyncWithHttpInfo($xero_tenant_id, $data_month = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Finance\UserActivitiesResponse';
-        $request = $this->getAccountingActivityUserActivitiesRequest($xero_tenant_id$data_month);
+        $request = $this->getAccountingActivityUserActivitiesRequest($xero_tenant_id, $data_month);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1048,7 +1048,7 @@ function ($exception) {
      * @param  string $data_month date, yyyy-MM                 The specified month must be complete (in the past); The current month cannot be specified since it is not complete.                If no parameter is provided, the month immediately previous to the current month will be used.                Any user activities occurring within the specified month will be returned.                Please be aware that there may be a delay of up to 3 days before a user activity is visible from this API. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getAccountingActivityUserActivitiesRequest($xero_tenant_id$data_month = null)
+    protected function getAccountingActivityUserActivitiesRequest($xero_tenant_id, $data_month = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1142,9 +1142,9 @@ protected function getAccountingActivityUserActivitiesRequest($xero_tenant_id$da
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Finance\BankStatementAccountingResponse|\XeroAPI\XeroPHP\Models\Finance\Problem
      */
-    public function getBankStatementAccounting($xero_tenant_id$bank_account_id$from_date$to_date$summary_only = null)
+    public function getBankStatementAccounting($xero_tenant_id, $bank_account_id, $from_date, $to_date, $summary_only = null)
     {
-        list($response) = $this->getBankStatementAccountingWithHttpInfo($xero_tenant_id$bank_account_id$from_date$to_date$summary_only);
+        list($response) = $this->getBankStatementAccountingWithHttpInfo($xero_tenant_id, $bank_account_id, $from_date, $to_date, $summary_only);
         return $response;
     }
     /**
@@ -1159,9 +1159,9 @@ public function getBankStatementAccounting($xero_tenant_id$bank_account_id$from_
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Finance\BankStatementAccountingResponse|\XeroAPI\XeroPHP\Models\Finance\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBankStatementAccountingWithHttpInfo($xero_tenant_id$bank_account_id$from_date$to_date$summary_only = null)
+    public function getBankStatementAccountingWithHttpInfo($xero_tenant_id, $bank_account_id, $from_date, $to_date, $summary_only = null)
     {
-        $request = $this->getBankStatementAccountingRequest($xero_tenant_id$bank_account_id$from_date$to_date$summary_only);
+        $request = $this->getBankStatementAccountingRequest($xero_tenant_id, $bank_account_id, $from_date, $to_date, $summary_only);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1257,9 +1257,9 @@ public function getBankStatementAccountingWithHttpInfo($xero_tenant_id$bank_acco
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBankStatementAccountingAsync($xero_tenant_id$bank_account_id$from_date$to_date$summary_only = null)
+    public function getBankStatementAccountingAsync($xero_tenant_id, $bank_account_id, $from_date, $to_date, $summary_only = null)
     {
-        return $this->getBankStatementAccountingAsyncWithHttpInfo($xero_tenant_id$bank_account_id$from_date$to_date$summary_only)
+        return $this->getBankStatementAccountingAsyncWithHttpInfo($xero_tenant_id, $bank_account_id, $from_date, $to_date, $summary_only)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1276,10 +1276,10 @@ function ($response) {
      * @param  bool $summary_only boolean, true/false    The default value is true if no parameter is provided.    In summary mode, the response will exclude the computation-heavy LineItems fields from bank transaction, invoice, credit note, prepayment and overpayment data, making the API calls quicker and more efficient. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBankStatementAccountingAsyncWithHttpInfo($xero_tenant_id$bank_account_id$from_date$to_date$summary_only = null)
+    public function getBankStatementAccountingAsyncWithHttpInfo($xero_tenant_id, $bank_account_id, $from_date, $to_date, $summary_only = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Finance\BankStatementAccountingResponse';
-        $request = $this->getBankStatementAccountingRequest($xero_tenant_id$bank_account_id$from_date$to_date$summary_only);
+        $request = $this->getBankStatementAccountingRequest($xero_tenant_id, $bank_account_id, $from_date, $to_date, $summary_only);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1322,7 +1322,7 @@ function ($exception) {
      * @param  bool $summary_only boolean, true/false    The default value is true if no parameter is provided.    In summary mode, the response will exclude the computation-heavy LineItems fields from bank transaction, invoice, credit note, prepayment and overpayment data, making the API calls quicker and more efficient. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBankStatementAccountingRequest($xero_tenant_id$bank_account_id$from_date$to_date$summary_only = null)
+    protected function getBankStatementAccountingRequest($xero_tenant_id, $bank_account_id, $from_date, $to_date, $summary_only = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1445,9 +1445,9 @@ protected function getBankStatementAccountingRequest($xero_tenant_id$bank_accoun
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Finance\CashValidationResponse[]|\XeroAPI\XeroPHP\Models\Finance\Problem
      */
-    public function getCashValidation($xero_tenant_id$balance_date = null$as_at_system_date = null$begin_date = null)
+    public function getCashValidation($xero_tenant_id, $balance_date = null, $as_at_system_date = null, $begin_date = null)
     {
-        list($response) = $this->getCashValidationWithHttpInfo($xero_tenant_id$balance_date$as_at_system_date$begin_date);
+        list($response) = $this->getCashValidationWithHttpInfo($xero_tenant_id, $balance_date, $as_at_system_date, $begin_date);
         return $response;
     }
     /**
@@ -1461,9 +1461,9 @@ public function getCashValidation($xero_tenant_id$balance_date = null$as_at_syst
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Finance\CashValidationResponse[]|\XeroAPI\XeroPHP\Models\Finance\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getCashValidationWithHttpInfo($xero_tenant_id$balance_date = null$as_at_system_date = null$begin_date = null)
+    public function getCashValidationWithHttpInfo($xero_tenant_id, $balance_date = null, $as_at_system_date = null, $begin_date = null)
     {
-        $request = $this->getCashValidationRequest($xero_tenant_id$balance_date$as_at_system_date$begin_date);
+        $request = $this->getCashValidationRequest($xero_tenant_id, $balance_date, $as_at_system_date, $begin_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1558,9 +1558,9 @@ public function getCashValidationWithHttpInfo($xero_tenant_id$balance_date = nul
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getCashValidationAsync($xero_tenant_id$balance_date = null$as_at_system_date = null$begin_date = null)
+    public function getCashValidationAsync($xero_tenant_id, $balance_date = null, $as_at_system_date = null, $begin_date = null)
     {
-        return $this->getCashValidationAsyncWithHttpInfo($xero_tenant_id$balance_date$as_at_system_date$begin_date)
+        return $this->getCashValidationAsyncWithHttpInfo($xero_tenant_id, $balance_date, $as_at_system_date, $begin_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1576,10 +1576,10 @@ function ($response) {
      * @param  string $begin_date date, yyyy-MM-dd     If no parameter is provided, the aggregate results will be drawn from the user’s total history.    The ‘begin date’ will return transactions based on the accounting date entered by the user. Transactions after the beginDate will be included.  The user has discretion as to which accounting period the transaction relates to. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getCashValidationAsyncWithHttpInfo($xero_tenant_id$balance_date = null$as_at_system_date = null$begin_date = null)
+    public function getCashValidationAsyncWithHttpInfo($xero_tenant_id, $balance_date = null, $as_at_system_date = null, $begin_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Finance\CashValidationResponse[]';
-        $request = $this->getCashValidationRequest($xero_tenant_id$balance_date$as_at_system_date$begin_date);
+        $request = $this->getCashValidationRequest($xero_tenant_id, $balance_date, $as_at_system_date, $begin_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1621,7 +1621,7 @@ function ($exception) {
      * @param  string $begin_date date, yyyy-MM-dd     If no parameter is provided, the aggregate results will be drawn from the user’s total history.    The ‘begin date’ will return transactions based on the accounting date entered by the user. Transactions after the beginDate will be included.  The user has discretion as to which accounting period the transaction relates to. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getCashValidationRequest($xero_tenant_id$balance_date = null$as_at_system_date = null$begin_date = null)
+    protected function getCashValidationRequest($xero_tenant_id, $balance_date = null, $as_at_system_date = null, $begin_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1720,9 +1720,9 @@ protected function getCashValidationRequest($xero_tenant_id$balance_date = null$
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Finance\BalanceSheetResponse|\XeroAPI\XeroPHP\Models\Finance\Problem|\XeroAPI\XeroPHP\Models\Finance\Problem
      */
-    public function getFinancialStatementBalanceSheet($xero_tenant_id$balance_date = null)
+    public function getFinancialStatementBalanceSheet($xero_tenant_id, $balance_date = null)
     {
-        list($response) = $this->getFinancialStatementBalanceSheetWithHttpInfo($xero_tenant_id$balance_date);
+        list($response) = $this->getFinancialStatementBalanceSheetWithHttpInfo($xero_tenant_id, $balance_date);
         return $response;
     }
     /**
@@ -1734,9 +1734,9 @@ public function getFinancialStatementBalanceSheet($xero_tenant_id$balance_date =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Finance\BalanceSheetResponse|\XeroAPI\XeroPHP\Models\Finance\Problem|\XeroAPI\XeroPHP\Models\Finance\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getFinancialStatementBalanceSheetWithHttpInfo($xero_tenant_id$balance_date = null)
+    public function getFinancialStatementBalanceSheetWithHttpInfo($xero_tenant_id, $balance_date = null)
     {
-        $request = $this->getFinancialStatementBalanceSheetRequest($xero_tenant_id$balance_date);
+        $request = $this->getFinancialStatementBalanceSheetRequest($xero_tenant_id, $balance_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1848,9 +1848,9 @@ public function getFinancialStatementBalanceSheetWithHttpInfo($xero_tenant_id$ba
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getFinancialStatementBalanceSheetAsync($xero_tenant_id$balance_date = null)
+    public function getFinancialStatementBalanceSheetAsync($xero_tenant_id, $balance_date = null)
     {
-        return $this->getFinancialStatementBalanceSheetAsyncWithHttpInfo($xero_tenant_id$balance_date)
+        return $this->getFinancialStatementBalanceSheetAsyncWithHttpInfo($xero_tenant_id, $balance_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1864,10 +1864,10 @@ function ($response) {
      * @param  string $balance_date Specifies the date for balance sheet report.    Format yyyy-MM-dd. If no parameter is provided, the current date will be used. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getFinancialStatementBalanceSheetAsyncWithHttpInfo($xero_tenant_id$balance_date = null)
+    public function getFinancialStatementBalanceSheetAsyncWithHttpInfo($xero_tenant_id, $balance_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Finance\BalanceSheetResponse';
-        $request = $this->getFinancialStatementBalanceSheetRequest($xero_tenant_id$balance_date);
+        $request = $this->getFinancialStatementBalanceSheetRequest($xero_tenant_id, $balance_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1907,7 +1907,7 @@ function ($exception) {
      * @param  string $balance_date Specifies the date for balance sheet report.    Format yyyy-MM-dd. If no parameter is provided, the current date will be used. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getFinancialStatementBalanceSheetRequest($xero_tenant_id$balance_date = null)
+    protected function getFinancialStatementBalanceSheetRequest($xero_tenant_id, $balance_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1999,9 +1999,9 @@ protected function getFinancialStatementBalanceSheetRequest($xero_tenant_id$bala
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Finance\CashflowResponse|\XeroAPI\XeroPHP\Models\Finance\Problem|\XeroAPI\XeroPHP\Models\Finance\Problem
      */
-    public function getFinancialStatementCashflow($xero_tenant_id$start_date = null$end_date = null)
+    public function getFinancialStatementCashflow($xero_tenant_id, $start_date = null, $end_date = null)
     {
-        list($response) = $this->getFinancialStatementCashflowWithHttpInfo($xero_tenant_id$start_date$end_date);
+        list($response) = $this->getFinancialStatementCashflowWithHttpInfo($xero_tenant_id, $start_date, $end_date);
         return $response;
     }
     /**
@@ -2014,9 +2014,9 @@ public function getFinancialStatementCashflow($xero_tenant_id$start_date = null$
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Finance\CashflowResponse|\XeroAPI\XeroPHP\Models\Finance\Problem|\XeroAPI\XeroPHP\Models\Finance\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getFinancialStatementCashflowWithHttpInfo($xero_tenant_id$start_date = null$end_date = null)
+    public function getFinancialStatementCashflowWithHttpInfo($xero_tenant_id, $start_date = null, $end_date = null)
     {
-        $request = $this->getFinancialStatementCashflowRequest($xero_tenant_id$start_date$end_date);
+        $request = $this->getFinancialStatementCashflowRequest($xero_tenant_id, $start_date, $end_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2129,9 +2129,9 @@ public function getFinancialStatementCashflowWithHttpInfo($xero_tenant_id$start_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getFinancialStatementCashflowAsync($xero_tenant_id$start_date = null$end_date = null)
+    public function getFinancialStatementCashflowAsync($xero_tenant_id, $start_date = null, $end_date = null)
     {
-        return $this->getFinancialStatementCashflowAsyncWithHttpInfo($xero_tenant_id$start_date$end_date)
+        return $this->getFinancialStatementCashflowAsyncWithHttpInfo($xero_tenant_id, $start_date, $end_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2146,10 +2146,10 @@ function ($response) {
      * @param  string $end_date Date e.g. yyyy-MM-dd    Specifies the end date for cash flow report.    If no parameter is provided, the current date will be used. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getFinancialStatementCashflowAsyncWithHttpInfo($xero_tenant_id$start_date = null$end_date = null)
+    public function getFinancialStatementCashflowAsyncWithHttpInfo($xero_tenant_id, $start_date = null, $end_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Finance\CashflowResponse';
-        $request = $this->getFinancialStatementCashflowRequest($xero_tenant_id$start_date$end_date);
+        $request = $this->getFinancialStatementCashflowRequest($xero_tenant_id, $start_date, $end_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2190,7 +2190,7 @@ function ($exception) {
      * @param  string $end_date Date e.g. yyyy-MM-dd    Specifies the end date for cash flow report.    If no parameter is provided, the current date will be used. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getFinancialStatementCashflowRequest($xero_tenant_id$start_date = null$end_date = null)
+    protected function getFinancialStatementCashflowRequest($xero_tenant_id, $start_date = null, $end_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2288,9 +2288,9 @@ protected function getFinancialStatementCashflowRequest($xero_tenant_id$start_da
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Finance\IncomeByContactResponse|\XeroAPI\XeroPHP\Models\Finance\Problem
      */
-    public function getFinancialStatementContactsExpense($xero_tenant_id$contact_ids = null$include_manual_journals = null$start_date = null$end_date = null)
+    public function getFinancialStatementContactsExpense($xero_tenant_id, $contact_ids = null, $include_manual_journals = null, $start_date = null, $end_date = null)
     {
-        list($response) = $this->getFinancialStatementContactsExpenseWithHttpInfo($xero_tenant_id$contact_ids$include_manual_journals$start_date$end_date);
+        list($response) = $this->getFinancialStatementContactsExpenseWithHttpInfo($xero_tenant_id, $contact_ids, $include_manual_journals, $start_date, $end_date);
         return $response;
     }
     /**
@@ -2305,9 +2305,9 @@ public function getFinancialStatementContactsExpense($xero_tenant_id$contact_ids
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Finance\IncomeByContactResponse|\XeroAPI\XeroPHP\Models\Finance\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getFinancialStatementContactsExpenseWithHttpInfo($xero_tenant_id$contact_ids = null$include_manual_journals = null$start_date = null$end_date = null)
+    public function getFinancialStatementContactsExpenseWithHttpInfo($xero_tenant_id, $contact_ids = null, $include_manual_journals = null, $start_date = null, $end_date = null)
     {
-        $request = $this->getFinancialStatementContactsExpenseRequest($xero_tenant_id$contact_ids$include_manual_journals$start_date$end_date);
+        $request = $this->getFinancialStatementContactsExpenseRequest($xero_tenant_id, $contact_ids, $include_manual_journals, $start_date, $end_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2403,9 +2403,9 @@ public function getFinancialStatementContactsExpenseWithHttpInfo($xero_tenant_id
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getFinancialStatementContactsExpenseAsync($xero_tenant_id$contact_ids = null$include_manual_journals = null$start_date = null$end_date = null)
+    public function getFinancialStatementContactsExpenseAsync($xero_tenant_id, $contact_ids = null, $include_manual_journals = null, $start_date = null, $end_date = null)
     {
-        return $this->getFinancialStatementContactsExpenseAsyncWithHttpInfo($xero_tenant_id$contact_ids$include_manual_journals$start_date$end_date)
+        return $this->getFinancialStatementContactsExpenseAsyncWithHttpInfo($xero_tenant_id, $contact_ids, $include_manual_journals, $start_date, $end_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2422,10 +2422,10 @@ function ($response) {
      * @param  string $end_date Date yyyy-MM-dd    Specifies the end date for the report.    If no parameter is provided, the current date will be used.                It is recommended to always specify both a start date and end date; While the initial range may be set to 12 months, this may need to be reduced for high volume organisations in order to improve latency. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getFinancialStatementContactsExpenseAsyncWithHttpInfo($xero_tenant_id$contact_ids = null$include_manual_journals = null$start_date = null$end_date = null)
+    public function getFinancialStatementContactsExpenseAsyncWithHttpInfo($xero_tenant_id, $contact_ids = null, $include_manual_journals = null, $start_date = null, $end_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Finance\IncomeByContactResponse';
-        $request = $this->getFinancialStatementContactsExpenseRequest($xero_tenant_id$contact_ids$include_manual_journals$start_date$end_date);
+        $request = $this->getFinancialStatementContactsExpenseRequest($xero_tenant_id, $contact_ids, $include_manual_journals, $start_date, $end_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2468,7 +2468,7 @@ function ($exception) {
      * @param  string $end_date Date yyyy-MM-dd    Specifies the end date for the report.    If no parameter is provided, the current date will be used.                It is recommended to always specify both a start date and end date; While the initial range may be set to 12 months, this may need to be reduced for high volume organisations in order to improve latency. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getFinancialStatementContactsExpenseRequest($xero_tenant_id$contact_ids = null$include_manual_journals = null$start_date = null$end_date = null)
+    protected function getFinancialStatementContactsExpenseRequest($xero_tenant_id, $contact_ids = null, $include_manual_journals = null, $start_date = null, $end_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2577,9 +2577,9 @@ protected function getFinancialStatementContactsExpenseRequest($xero_tenant_id$c
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Finance\IncomeByContactResponse|\XeroAPI\XeroPHP\Models\Finance\Problem
      */
-    public function getFinancialStatementContactsRevenue($xero_tenant_id$contact_ids = null$include_manual_journals = null$start_date = null$end_date = null)
+    public function getFinancialStatementContactsRevenue($xero_tenant_id, $contact_ids = null, $include_manual_journals = null, $start_date = null, $end_date = null)
     {
-        list($response) = $this->getFinancialStatementContactsRevenueWithHttpInfo($xero_tenant_id$contact_ids$include_manual_journals$start_date$end_date);
+        list($response) = $this->getFinancialStatementContactsRevenueWithHttpInfo($xero_tenant_id, $contact_ids, $include_manual_journals, $start_date, $end_date);
         return $response;
     }
     /**
@@ -2594,9 +2594,9 @@ public function getFinancialStatementContactsRevenue($xero_tenant_id$contact_ids
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Finance\IncomeByContactResponse|\XeroAPI\XeroPHP\Models\Finance\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getFinancialStatementContactsRevenueWithHttpInfo($xero_tenant_id$contact_ids = null$include_manual_journals = null$start_date = null$end_date = null)
+    public function getFinancialStatementContactsRevenueWithHttpInfo($xero_tenant_id, $contact_ids = null, $include_manual_journals = null, $start_date = null, $end_date = null)
     {
-        $request = $this->getFinancialStatementContactsRevenueRequest($xero_tenant_id$contact_ids$include_manual_journals$start_date$end_date);
+        $request = $this->getFinancialStatementContactsRevenueRequest($xero_tenant_id, $contact_ids, $include_manual_journals, $start_date, $end_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2692,9 +2692,9 @@ public function getFinancialStatementContactsRevenueWithHttpInfo($xero_tenant_id
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getFinancialStatementContactsRevenueAsync($xero_tenant_id$contact_ids = null$include_manual_journals = null$start_date = null$end_date = null)
+    public function getFinancialStatementContactsRevenueAsync($xero_tenant_id, $contact_ids = null, $include_manual_journals = null, $start_date = null, $end_date = null)
     {
-        return $this->getFinancialStatementContactsRevenueAsyncWithHttpInfo($xero_tenant_id$contact_ids$include_manual_journals$start_date$end_date)
+        return $this->getFinancialStatementContactsRevenueAsyncWithHttpInfo($xero_tenant_id, $contact_ids, $include_manual_journals, $start_date, $end_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2711,10 +2711,10 @@ function ($response) {
      * @param  string $end_date Date yyyy-MM-dd    Specifies the end date for the report.    If no parameter is provided, the current date will be used.                It is recommended to always specify both a start date and end date; While the initial range may be set to 12 months, this may need to be reduced for high volume organisations in order to improve latency. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getFinancialStatementContactsRevenueAsyncWithHttpInfo($xero_tenant_id$contact_ids = null$include_manual_journals = null$start_date = null$end_date = null)
+    public function getFinancialStatementContactsRevenueAsyncWithHttpInfo($xero_tenant_id, $contact_ids = null, $include_manual_journals = null, $start_date = null, $end_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Finance\IncomeByContactResponse';
-        $request = $this->getFinancialStatementContactsRevenueRequest($xero_tenant_id$contact_ids$include_manual_journals$start_date$end_date);
+        $request = $this->getFinancialStatementContactsRevenueRequest($xero_tenant_id, $contact_ids, $include_manual_journals, $start_date, $end_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2757,7 +2757,7 @@ function ($exception) {
      * @param  string $end_date Date yyyy-MM-dd    Specifies the end date for the report.    If no parameter is provided, the current date will be used.                It is recommended to always specify both a start date and end date; While the initial range may be set to 12 months, this may need to be reduced for high volume organisations in order to improve latency. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getFinancialStatementContactsRevenueRequest($xero_tenant_id$contact_ids = null$include_manual_journals = null$start_date = null$end_date = null)
+    protected function getFinancialStatementContactsRevenueRequest($xero_tenant_id, $contact_ids = null, $include_manual_journals = null, $start_date = null, $end_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2864,9 +2864,9 @@ protected function getFinancialStatementContactsRevenueRequest($xero_tenant_id$c
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Finance\ProfitAndLossResponse|\XeroAPI\XeroPHP\Models\Finance\Problem
      */
-    public function getFinancialStatementProfitAndLoss($xero_tenant_id$start_date = null$end_date = null)
+    public function getFinancialStatementProfitAndLoss($xero_tenant_id, $start_date = null, $end_date = null)
     {
-        list($response) = $this->getFinancialStatementProfitAndLossWithHttpInfo($xero_tenant_id$start_date$end_date);
+        list($response) = $this->getFinancialStatementProfitAndLossWithHttpInfo($xero_tenant_id, $start_date, $end_date);
         return $response;
     }
     /**
@@ -2879,9 +2879,9 @@ public function getFinancialStatementProfitAndLoss($xero_tenant_id$start_date =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Finance\ProfitAndLossResponse|\XeroAPI\XeroPHP\Models\Finance\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getFinancialStatementProfitAndLossWithHttpInfo($xero_tenant_id$start_date = null$end_date = null)
+    public function getFinancialStatementProfitAndLossWithHttpInfo($xero_tenant_id, $start_date = null, $end_date = null)
     {
-        $request = $this->getFinancialStatementProfitAndLossRequest($xero_tenant_id$start_date$end_date);
+        $request = $this->getFinancialStatementProfitAndLossRequest($xero_tenant_id, $start_date, $end_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2975,9 +2975,9 @@ public function getFinancialStatementProfitAndLossWithHttpInfo($xero_tenant_id$s
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getFinancialStatementProfitAndLossAsync($xero_tenant_id$start_date = null$end_date = null)
+    public function getFinancialStatementProfitAndLossAsync($xero_tenant_id, $start_date = null, $end_date = null)
     {
-        return $this->getFinancialStatementProfitAndLossAsyncWithHttpInfo($xero_tenant_id$start_date$end_date)
+        return $this->getFinancialStatementProfitAndLossAsyncWithHttpInfo($xero_tenant_id, $start_date, $end_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2992,10 +2992,10 @@ function ($response) {
      * @param  string $end_date Date e.g. yyyy-MM-dd    Specifies the end date for profit and loss report     If no parameter is provided, the current date will be used. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getFinancialStatementProfitAndLossAsyncWithHttpInfo($xero_tenant_id$start_date = null$end_date = null)
+    public function getFinancialStatementProfitAndLossAsyncWithHttpInfo($xero_tenant_id, $start_date = null, $end_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Finance\ProfitAndLossResponse';
-        $request = $this->getFinancialStatementProfitAndLossRequest($xero_tenant_id$start_date$end_date);
+        $request = $this->getFinancialStatementProfitAndLossRequest($xero_tenant_id, $start_date, $end_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3036,7 +3036,7 @@ function ($exception) {
      * @param  string $end_date Date e.g. yyyy-MM-dd    Specifies the end date for profit and loss report     If no parameter is provided, the current date will be used. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getFinancialStatementProfitAndLossRequest($xero_tenant_id$start_date = null$end_date = null)
+    protected function getFinancialStatementProfitAndLossRequest($xero_tenant_id, $start_date = null, $end_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3131,9 +3131,9 @@ protected function getFinancialStatementProfitAndLossRequest($xero_tenant_id$sta
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Finance\TrialBalanceResponse|\XeroAPI\XeroPHP\Models\Finance\Problem
      */
-    public function getFinancialStatementTrialBalance($xero_tenant_id$end_date = null)
+    public function getFinancialStatementTrialBalance($xero_tenant_id, $end_date = null)
     {
-        list($response) = $this->getFinancialStatementTrialBalanceWithHttpInfo($xero_tenant_id$end_date);
+        list($response) = $this->getFinancialStatementTrialBalanceWithHttpInfo($xero_tenant_id, $end_date);
         return $response;
     }
     /**
@@ -3145,9 +3145,9 @@ public function getFinancialStatementTrialBalance($xero_tenant_id$end_date = nul
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Finance\TrialBalanceResponse|\XeroAPI\XeroPHP\Models\Finance\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getFinancialStatementTrialBalanceWithHttpInfo($xero_tenant_id$end_date = null)
+    public function getFinancialStatementTrialBalanceWithHttpInfo($xero_tenant_id, $end_date = null)
     {
-        $request = $this->getFinancialStatementTrialBalanceRequest($xero_tenant_id$end_date);
+        $request = $this->getFinancialStatementTrialBalanceRequest($xero_tenant_id, $end_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3240,9 +3240,9 @@ public function getFinancialStatementTrialBalanceWithHttpInfo($xero_tenant_id$en
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getFinancialStatementTrialBalanceAsync($xero_tenant_id$end_date = null)
+    public function getFinancialStatementTrialBalanceAsync($xero_tenant_id, $end_date = null)
     {
-        return $this->getFinancialStatementTrialBalanceAsyncWithHttpInfo($xero_tenant_id$end_date)
+        return $this->getFinancialStatementTrialBalanceAsyncWithHttpInfo($xero_tenant_id, $end_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3256,10 +3256,10 @@ function ($response) {
      * @param  string $end_date Date e.g. yyyy-MM-dd     Specifies the end date for trial balance report     If no parameter is provided, the current date will be used. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getFinancialStatementTrialBalanceAsyncWithHttpInfo($xero_tenant_id$end_date = null)
+    public function getFinancialStatementTrialBalanceAsyncWithHttpInfo($xero_tenant_id, $end_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Finance\TrialBalanceResponse';
-        $request = $this->getFinancialStatementTrialBalanceRequest($xero_tenant_id$end_date);
+        $request = $this->getFinancialStatementTrialBalanceRequest($xero_tenant_id, $end_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3299,7 +3299,7 @@ function ($exception) {
      * @param  string $end_date Date e.g. yyyy-MM-dd     Specifies the end date for trial balance report     If no parameter is provided, the current date will be used. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getFinancialStatementTrialBalanceRequest($xero_tenant_id$end_date = null)
+    protected function getFinancialStatementTrialBalanceRequest($xero_tenant_id, $end_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
diff --git a/lib/Api/IdentityApi.php b/lib/Api/IdentityApi.php
index 340e46b3..550187af 100644
--- a/lib/Api/IdentityApi.php
+++ b/lib/Api/IdentityApi.php
@@ -17,7 +17,7 @@
  * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
diff --git a/lib/Api/PayrollAuApi.php b/lib/Api/PayrollAuApi.php
index cd204d63..3a632c79 100644
--- a/lib/Api/PayrollAuApi.php
+++ b/lib/Api/PayrollAuApi.php
@@ -17,7 +17,7 @@
  * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
@@ -94,9 +94,9 @@ public function getConfig()
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\Employees
      */
-    public function createEmployee($xero_tenant_id$employee)
+    public function createEmployee($xero_tenant_id, $employee)
     {
-        list($response) = $this->createEmployeeWithHttpInfo($xero_tenant_id$employee);
+        list($response) = $this->createEmployeeWithHttpInfo($xero_tenant_id, $employee);
         return $response;
     }
     /**
@@ -108,9 +108,9 @@ public function createEmployee($xero_tenant_id$employee)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\Employees, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeWithHttpInfo($xero_tenant_id$employee)
+    public function createEmployeeWithHttpInfo($xero_tenant_id, $employee)
     {
-        $request = $this->createEmployeeRequest($xero_tenant_id$employee);
+        $request = $this->createEmployeeRequest($xero_tenant_id, $employee);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -184,9 +184,9 @@ public function createEmployeeWithHttpInfo($xero_tenant_id$employee)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeAsync($xero_tenant_id$employee)
+    public function createEmployeeAsync($xero_tenant_id, $employee)
     {
-        return $this->createEmployeeAsyncWithHttpInfo($xero_tenant_id$employee)
+        return $this->createEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -200,10 +200,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\Employee[] $employee (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeAsyncWithHttpInfo($xero_tenant_id$employee)
+    public function createEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\Employees';
-        $request = $this->createEmployeeRequest($xero_tenant_id$employee);
+        $request = $this->createEmployeeRequest($xero_tenant_id, $employee);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -243,7 +243,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\Employee[] $employee (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeRequest($xero_tenant_id$employee)
+    protected function createEmployeeRequest($xero_tenant_id, $employee)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -339,9 +339,9 @@ protected function createEmployeeRequest($xero_tenant_id$employee)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplications
      */
-    public function createLeaveApplication($xero_tenant_id$leave_application)
+    public function createLeaveApplication($xero_tenant_id, $leave_application)
     {
-        list($response) = $this->createLeaveApplicationWithHttpInfo($xero_tenant_id$leave_application);
+        list($response) = $this->createLeaveApplicationWithHttpInfo($xero_tenant_id, $leave_application);
         return $response;
     }
     /**
@@ -353,9 +353,9 @@ public function createLeaveApplication($xero_tenant_id$leave_application)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplications, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createLeaveApplicationWithHttpInfo($xero_tenant_id$leave_application)
+    public function createLeaveApplicationWithHttpInfo($xero_tenant_id, $leave_application)
     {
-        $request = $this->createLeaveApplicationRequest($xero_tenant_id$leave_application);
+        $request = $this->createLeaveApplicationRequest($xero_tenant_id, $leave_application);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -429,9 +429,9 @@ public function createLeaveApplicationWithHttpInfo($xero_tenant_id$leave_applica
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createLeaveApplicationAsync($xero_tenant_id$leave_application)
+    public function createLeaveApplicationAsync($xero_tenant_id, $leave_application)
     {
-        return $this->createLeaveApplicationAsyncWithHttpInfo($xero_tenant_id$leave_application)
+        return $this->createLeaveApplicationAsyncWithHttpInfo($xero_tenant_id, $leave_application)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -445,10 +445,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplication[] $leave_application (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createLeaveApplicationAsyncWithHttpInfo($xero_tenant_id$leave_application)
+    public function createLeaveApplicationAsyncWithHttpInfo($xero_tenant_id, $leave_application)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplications';
-        $request = $this->createLeaveApplicationRequest($xero_tenant_id$leave_application);
+        $request = $this->createLeaveApplicationRequest($xero_tenant_id, $leave_application);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -488,7 +488,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplication[] $leave_application (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createLeaveApplicationRequest($xero_tenant_id$leave_application)
+    protected function createLeaveApplicationRequest($xero_tenant_id, $leave_application)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -584,9 +584,9 @@ protected function createLeaveApplicationRequest($xero_tenant_id$leave_applicati
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\PayItems
      */
-    public function createPayItem($xero_tenant_id$pay_item)
+    public function createPayItem($xero_tenant_id, $pay_item)
     {
-        list($response) = $this->createPayItemWithHttpInfo($xero_tenant_id$pay_item);
+        list($response) = $this->createPayItemWithHttpInfo($xero_tenant_id, $pay_item);
         return $response;
     }
     /**
@@ -598,9 +598,9 @@ public function createPayItem($xero_tenant_id$pay_item)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\PayItems, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPayItemWithHttpInfo($xero_tenant_id$pay_item)
+    public function createPayItemWithHttpInfo($xero_tenant_id, $pay_item)
     {
-        $request = $this->createPayItemRequest($xero_tenant_id$pay_item);
+        $request = $this->createPayItemRequest($xero_tenant_id, $pay_item);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -674,9 +674,9 @@ public function createPayItemWithHttpInfo($xero_tenant_id$pay_item)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPayItemAsync($xero_tenant_id$pay_item)
+    public function createPayItemAsync($xero_tenant_id, $pay_item)
     {
-        return $this->createPayItemAsyncWithHttpInfo($xero_tenant_id$pay_item)
+        return $this->createPayItemAsyncWithHttpInfo($xero_tenant_id, $pay_item)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -690,10 +690,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\PayItem $pay_item (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPayItemAsyncWithHttpInfo($xero_tenant_id$pay_item)
+    public function createPayItemAsyncWithHttpInfo($xero_tenant_id, $pay_item)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\PayItems';
-        $request = $this->createPayItemRequest($xero_tenant_id$pay_item);
+        $request = $this->createPayItemRequest($xero_tenant_id, $pay_item);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -733,7 +733,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\PayItem $pay_item (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPayItemRequest($xero_tenant_id$pay_item)
+    protected function createPayItemRequest($xero_tenant_id, $pay_item)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -829,9 +829,9 @@ protected function createPayItemRequest($xero_tenant_id$pay_item)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\PayRuns
      */
-    public function createPayRun($xero_tenant_id$pay_run)
+    public function createPayRun($xero_tenant_id, $pay_run)
     {
-        list($response) = $this->createPayRunWithHttpInfo($xero_tenant_id$pay_run);
+        list($response) = $this->createPayRunWithHttpInfo($xero_tenant_id, $pay_run);
         return $response;
     }
     /**
@@ -843,9 +843,9 @@ public function createPayRun($xero_tenant_id$pay_run)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\PayRuns, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPayRunWithHttpInfo($xero_tenant_id$pay_run)
+    public function createPayRunWithHttpInfo($xero_tenant_id, $pay_run)
     {
-        $request = $this->createPayRunRequest($xero_tenant_id$pay_run);
+        $request = $this->createPayRunRequest($xero_tenant_id, $pay_run);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -919,9 +919,9 @@ public function createPayRunWithHttpInfo($xero_tenant_id$pay_run)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPayRunAsync($xero_tenant_id$pay_run)
+    public function createPayRunAsync($xero_tenant_id, $pay_run)
     {
-        return $this->createPayRunAsyncWithHttpInfo($xero_tenant_id$pay_run)
+        return $this->createPayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -935,10 +935,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\PayRun[] $pay_run (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPayRunAsyncWithHttpInfo($xero_tenant_id$pay_run)
+    public function createPayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\PayRuns';
-        $request = $this->createPayRunRequest($xero_tenant_id$pay_run);
+        $request = $this->createPayRunRequest($xero_tenant_id, $pay_run);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -978,7 +978,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\PayRun[] $pay_run (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPayRunRequest($xero_tenant_id$pay_run)
+    protected function createPayRunRequest($xero_tenant_id, $pay_run)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1074,9 +1074,9 @@ protected function createPayRunRequest($xero_tenant_id$pay_run)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\PayrollCalendars
      */
-    public function createPayrollCalendar($xero_tenant_id$payroll_calendar)
+    public function createPayrollCalendar($xero_tenant_id, $payroll_calendar)
     {
-        list($response) = $this->createPayrollCalendarWithHttpInfo($xero_tenant_id$payroll_calendar);
+        list($response) = $this->createPayrollCalendarWithHttpInfo($xero_tenant_id, $payroll_calendar);
         return $response;
     }
     /**
@@ -1088,9 +1088,9 @@ public function createPayrollCalendar($xero_tenant_id$payroll_calendar)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\PayrollCalendars, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPayrollCalendarWithHttpInfo($xero_tenant_id$payroll_calendar)
+    public function createPayrollCalendarWithHttpInfo($xero_tenant_id, $payroll_calendar)
     {
-        $request = $this->createPayrollCalendarRequest($xero_tenant_id$payroll_calendar);
+        $request = $this->createPayrollCalendarRequest($xero_tenant_id, $payroll_calendar);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1164,9 +1164,9 @@ public function createPayrollCalendarWithHttpInfo($xero_tenant_id$payroll_calend
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPayrollCalendarAsync($xero_tenant_id$payroll_calendar)
+    public function createPayrollCalendarAsync($xero_tenant_id, $payroll_calendar)
     {
-        return $this->createPayrollCalendarAsyncWithHttpInfo($xero_tenant_id$payroll_calendar)
+        return $this->createPayrollCalendarAsyncWithHttpInfo($xero_tenant_id, $payroll_calendar)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1180,10 +1180,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\PayrollCalendar[] $payroll_calendar (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPayrollCalendarAsyncWithHttpInfo($xero_tenant_id$payroll_calendar)
+    public function createPayrollCalendarAsyncWithHttpInfo($xero_tenant_id, $payroll_calendar)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\PayrollCalendars';
-        $request = $this->createPayrollCalendarRequest($xero_tenant_id$payroll_calendar);
+        $request = $this->createPayrollCalendarRequest($xero_tenant_id, $payroll_calendar);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1223,7 +1223,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\PayrollCalendar[] $payroll_calendar (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPayrollCalendarRequest($xero_tenant_id$payroll_calendar)
+    protected function createPayrollCalendarRequest($xero_tenant_id, $payroll_calendar)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1319,9 +1319,9 @@ protected function createPayrollCalendarRequest($xero_tenant_id$payroll_calendar
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\SuperFunds
      */
-    public function createSuperfund($xero_tenant_id$super_fund)
+    public function createSuperfund($xero_tenant_id, $super_fund)
     {
-        list($response) = $this->createSuperfundWithHttpInfo($xero_tenant_id$super_fund);
+        list($response) = $this->createSuperfundWithHttpInfo($xero_tenant_id, $super_fund);
         return $response;
     }
     /**
@@ -1333,9 +1333,9 @@ public function createSuperfund($xero_tenant_id$super_fund)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\SuperFunds, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createSuperfundWithHttpInfo($xero_tenant_id$super_fund)
+    public function createSuperfundWithHttpInfo($xero_tenant_id, $super_fund)
     {
-        $request = $this->createSuperfundRequest($xero_tenant_id$super_fund);
+        $request = $this->createSuperfundRequest($xero_tenant_id, $super_fund);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1409,9 +1409,9 @@ public function createSuperfundWithHttpInfo($xero_tenant_id$super_fund)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createSuperfundAsync($xero_tenant_id$super_fund)
+    public function createSuperfundAsync($xero_tenant_id, $super_fund)
     {
-        return $this->createSuperfundAsyncWithHttpInfo($xero_tenant_id$super_fund)
+        return $this->createSuperfundAsyncWithHttpInfo($xero_tenant_id, $super_fund)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1425,10 +1425,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\SuperFund[] $super_fund (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createSuperfundAsyncWithHttpInfo($xero_tenant_id$super_fund)
+    public function createSuperfundAsyncWithHttpInfo($xero_tenant_id, $super_fund)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\SuperFunds';
-        $request = $this->createSuperfundRequest($xero_tenant_id$super_fund);
+        $request = $this->createSuperfundRequest($xero_tenant_id, $super_fund);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1468,7 +1468,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\SuperFund[] $super_fund (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createSuperfundRequest($xero_tenant_id$super_fund)
+    protected function createSuperfundRequest($xero_tenant_id, $super_fund)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1564,9 +1564,9 @@ protected function createSuperfundRequest($xero_tenant_id$super_fund)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\Timesheets
      */
-    public function createTimesheet($xero_tenant_id$timesheet)
+    public function createTimesheet($xero_tenant_id, $timesheet)
     {
-        list($response) = $this->createTimesheetWithHttpInfo($xero_tenant_id$timesheet);
+        list($response) = $this->createTimesheetWithHttpInfo($xero_tenant_id, $timesheet);
         return $response;
     }
     /**
@@ -1578,9 +1578,9 @@ public function createTimesheet($xero_tenant_id$timesheet)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\Timesheets, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createTimesheetWithHttpInfo($xero_tenant_id$timesheet)
+    public function createTimesheetWithHttpInfo($xero_tenant_id, $timesheet)
     {
-        $request = $this->createTimesheetRequest($xero_tenant_id$timesheet);
+        $request = $this->createTimesheetRequest($xero_tenant_id, $timesheet);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1654,9 +1654,9 @@ public function createTimesheetWithHttpInfo($xero_tenant_id$timesheet)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createTimesheetAsync($xero_tenant_id$timesheet)
+    public function createTimesheetAsync($xero_tenant_id, $timesheet)
     {
-        return $this->createTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet)
+        return $this->createTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1670,10 +1670,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\Timesheet[] $timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet)
+    public function createTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\Timesheets';
-        $request = $this->createTimesheetRequest($xero_tenant_id$timesheet);
+        $request = $this->createTimesheetRequest($xero_tenant_id, $timesheet);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1713,7 +1713,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\Timesheet[] $timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createTimesheetRequest($xero_tenant_id$timesheet)
+    protected function createTimesheetRequest($xero_tenant_id, $timesheet)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1809,9 +1809,9 @@ protected function createTimesheetRequest($xero_tenant_id$timesheet)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\Employees
      */
-    public function getEmployee($xero_tenant_id$employee_id)
+    public function getEmployee($xero_tenant_id, $employee_id)
     {
-        list($response) = $this->getEmployeeWithHttpInfo($xero_tenant_id$employee_id);
+        list($response) = $this->getEmployeeWithHttpInfo($xero_tenant_id, $employee_id);
         return $response;
     }
     /**
@@ -1823,9 +1823,9 @@ public function getEmployee($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\Employees, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeWithHttpInfo($xero_tenant_id, $employee_id)
     {
-        $request = $this->getEmployeeRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeRequest($xero_tenant_id, $employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1899,9 +1899,9 @@ public function getEmployeeWithHttpInfo($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeAsync($xero_tenant_id$employee_id)
+    public function getEmployeeAsync($xero_tenant_id, $employee_id)
     {
-        return $this->getEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id)
+        return $this->getEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1915,10 +1915,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\Employees';
-        $request = $this->getEmployeeRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeRequest($xero_tenant_id, $employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1958,7 +1958,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeRequest($xero_tenant_id$employee_id)
+    protected function getEmployeeRequest($xero_tenant_id, $employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2062,9 +2062,9 @@ protected function getEmployeeRequest($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\Employees|\XeroAPI\XeroPHP\Models\PayrollAu\APIException
      */
-    public function getEmployees($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getEmployees($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
-        list($response) = $this->getEmployeesWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page);
+        list($response) = $this->getEmployeesWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page);
         return $response;
     }
     /**
@@ -2079,9 +2079,9 @@ public function getEmployees($xero_tenant_id$if_modified_since = null$where = nu
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\Employees|\XeroAPI\XeroPHP\Models\PayrollAu\APIException, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeesWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getEmployeesWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
-        $request = $this->getEmployeesRequest($xero_tenant_id$if_modified_since$where$order$page);
+        $request = $this->getEmployeesRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2177,9 +2177,9 @@ public function getEmployeesWithHttpInfo($xero_tenant_id$if_modified_since = nul
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeesAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getEmployeesAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
-        return $this->getEmployeesAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page)
+        return $this->getEmployeesAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2196,10 +2196,10 @@ function ($response) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 employees will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeesAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getEmployeesAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\Employees';
-        $request = $this->getEmployeesRequest($xero_tenant_id$if_modified_since$where$order$page);
+        $request = $this->getEmployeesRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2242,7 +2242,7 @@ function ($exception) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 employees will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeesRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    protected function getEmployeesRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2345,9 +2345,9 @@ protected function getEmployeesRequest($xero_tenant_id$if_modified_since = null$
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplications
      */
-    public function getLeaveApplication($xero_tenant_id$leave_application_id)
+    public function getLeaveApplication($xero_tenant_id, $leave_application_id)
     {
-        list($response) = $this->getLeaveApplicationWithHttpInfo($xero_tenant_id$leave_application_id);
+        list($response) = $this->getLeaveApplicationWithHttpInfo($xero_tenant_id, $leave_application_id);
         return $response;
     }
     /**
@@ -2359,9 +2359,9 @@ public function getLeaveApplication($xero_tenant_id$leave_application_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplications, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getLeaveApplicationWithHttpInfo($xero_tenant_id$leave_application_id)
+    public function getLeaveApplicationWithHttpInfo($xero_tenant_id, $leave_application_id)
     {
-        $request = $this->getLeaveApplicationRequest($xero_tenant_id$leave_application_id);
+        $request = $this->getLeaveApplicationRequest($xero_tenant_id, $leave_application_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2435,9 +2435,9 @@ public function getLeaveApplicationWithHttpInfo($xero_tenant_id$leave_applicatio
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getLeaveApplicationAsync($xero_tenant_id$leave_application_id)
+    public function getLeaveApplicationAsync($xero_tenant_id, $leave_application_id)
     {
-        return $this->getLeaveApplicationAsyncWithHttpInfo($xero_tenant_id$leave_application_id)
+        return $this->getLeaveApplicationAsyncWithHttpInfo($xero_tenant_id, $leave_application_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2451,10 +2451,10 @@ function ($response) {
      * @param  string $leave_application_id Leave Application id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getLeaveApplicationAsyncWithHttpInfo($xero_tenant_id$leave_application_id)
+    public function getLeaveApplicationAsyncWithHttpInfo($xero_tenant_id, $leave_application_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplications';
-        $request = $this->getLeaveApplicationRequest($xero_tenant_id$leave_application_id);
+        $request = $this->getLeaveApplicationRequest($xero_tenant_id, $leave_application_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2494,7 +2494,7 @@ function ($exception) {
      * @param  string $leave_application_id Leave Application id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getLeaveApplicationRequest($xero_tenant_id$leave_application_id)
+    protected function getLeaveApplicationRequest($xero_tenant_id, $leave_application_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2598,9 +2598,9 @@ protected function getLeaveApplicationRequest($xero_tenant_id$leave_application_
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplications|\XeroAPI\XeroPHP\Models\PayrollAu\APIException
      */
-    public function getLeaveApplications($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getLeaveApplications($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
-        list($response) = $this->getLeaveApplicationsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page);
+        list($response) = $this->getLeaveApplicationsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page);
         return $response;
     }
     /**
@@ -2615,9 +2615,9 @@ public function getLeaveApplications($xero_tenant_id$if_modified_since = null$wh
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplications|\XeroAPI\XeroPHP\Models\PayrollAu\APIException, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getLeaveApplicationsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getLeaveApplicationsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
-        $request = $this->getLeaveApplicationsRequest($xero_tenant_id$if_modified_since$where$order$page);
+        $request = $this->getLeaveApplicationsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2713,9 +2713,9 @@ public function getLeaveApplicationsWithHttpInfo($xero_tenant_id$if_modified_sin
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getLeaveApplicationsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getLeaveApplicationsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
-        return $this->getLeaveApplicationsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page)
+        return $this->getLeaveApplicationsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2732,10 +2732,10 @@ function ($response) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 objects will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getLeaveApplicationsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getLeaveApplicationsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplications';
-        $request = $this->getLeaveApplicationsRequest($xero_tenant_id$if_modified_since$where$order$page);
+        $request = $this->getLeaveApplicationsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2778,7 +2778,7 @@ function ($exception) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 objects will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getLeaveApplicationsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    protected function getLeaveApplicationsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2884,9 +2884,9 @@ protected function getLeaveApplicationsRequest($xero_tenant_id$if_modified_since
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\PayItems|\XeroAPI\XeroPHP\Models\PayrollAu\APIException
      */
-    public function getPayItems($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getPayItems($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
-        list($response) = $this->getPayItemsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page);
+        list($response) = $this->getPayItemsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page);
         return $response;
     }
     /**
@@ -2901,9 +2901,9 @@ public function getPayItems($xero_tenant_id$if_modified_since = null$where = nul
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\PayItems|\XeroAPI\XeroPHP\Models\PayrollAu\APIException, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayItemsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getPayItemsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
-        $request = $this->getPayItemsRequest($xero_tenant_id$if_modified_since$where$order$page);
+        $request = $this->getPayItemsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2999,9 +2999,9 @@ public function getPayItemsWithHttpInfo($xero_tenant_id$if_modified_since = null
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayItemsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getPayItemsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
-        return $this->getPayItemsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page)
+        return $this->getPayItemsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3018,10 +3018,10 @@ function ($response) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 objects will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayItemsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getPayItemsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\PayItems';
-        $request = $this->getPayItemsRequest($xero_tenant_id$if_modified_since$where$order$page);
+        $request = $this->getPayItemsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3064,7 +3064,7 @@ function ($exception) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 objects will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayItemsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    protected function getPayItemsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3167,9 +3167,9 @@ protected function getPayItemsRequest($xero_tenant_id$if_modified_since = null$w
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\PayRuns
      */
-    public function getPayRun($xero_tenant_id$pay_run_id)
+    public function getPayRun($xero_tenant_id, $pay_run_id)
     {
-        list($response) = $this->getPayRunWithHttpInfo($xero_tenant_id$pay_run_id);
+        list($response) = $this->getPayRunWithHttpInfo($xero_tenant_id, $pay_run_id);
         return $response;
     }
     /**
@@ -3181,9 +3181,9 @@ public function getPayRun($xero_tenant_id$pay_run_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\PayRuns, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayRunWithHttpInfo($xero_tenant_id$pay_run_id)
+    public function getPayRunWithHttpInfo($xero_tenant_id, $pay_run_id)
     {
-        $request = $this->getPayRunRequest($xero_tenant_id$pay_run_id);
+        $request = $this->getPayRunRequest($xero_tenant_id, $pay_run_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3257,9 +3257,9 @@ public function getPayRunWithHttpInfo($xero_tenant_id$pay_run_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayRunAsync($xero_tenant_id$pay_run_id)
+    public function getPayRunAsync($xero_tenant_id, $pay_run_id)
     {
-        return $this->getPayRunAsyncWithHttpInfo($xero_tenant_id$pay_run_id)
+        return $this->getPayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3273,10 +3273,10 @@ function ($response) {
      * @param  string $pay_run_id PayRun id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayRunAsyncWithHttpInfo($xero_tenant_id$pay_run_id)
+    public function getPayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\PayRuns';
-        $request = $this->getPayRunRequest($xero_tenant_id$pay_run_id);
+        $request = $this->getPayRunRequest($xero_tenant_id, $pay_run_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3316,7 +3316,7 @@ function ($exception) {
      * @param  string $pay_run_id PayRun id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayRunRequest($xero_tenant_id$pay_run_id)
+    protected function getPayRunRequest($xero_tenant_id, $pay_run_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3420,9 +3420,9 @@ protected function getPayRunRequest($xero_tenant_id$pay_run_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\PayRuns|\XeroAPI\XeroPHP\Models\PayrollAu\APIException
      */
-    public function getPayRuns($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getPayRuns($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
-        list($response) = $this->getPayRunsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page);
+        list($response) = $this->getPayRunsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page);
         return $response;
     }
     /**
@@ -3437,9 +3437,9 @@ public function getPayRuns($xero_tenant_id$if_modified_since = null$where = null
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\PayRuns|\XeroAPI\XeroPHP\Models\PayrollAu\APIException, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayRunsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getPayRunsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
-        $request = $this->getPayRunsRequest($xero_tenant_id$if_modified_since$where$order$page);
+        $request = $this->getPayRunsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3535,9 +3535,9 @@ public function getPayRunsWithHttpInfo($xero_tenant_id$if_modified_since = null$
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayRunsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getPayRunsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
-        return $this->getPayRunsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page)
+        return $this->getPayRunsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3554,10 +3554,10 @@ function ($response) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 PayRuns will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayRunsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getPayRunsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\PayRuns';
-        $request = $this->getPayRunsRequest($xero_tenant_id$if_modified_since$where$order$page);
+        $request = $this->getPayRunsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3600,7 +3600,7 @@ function ($exception) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 PayRuns will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayRunsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    protected function getPayRunsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3703,9 +3703,9 @@ protected function getPayRunsRequest($xero_tenant_id$if_modified_since = null$wh
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\PayrollCalendars|\XeroAPI\XeroPHP\Models\PayrollAu\APIException
      */
-    public function getPayrollCalendar($xero_tenant_id$payroll_calendar_id)
+    public function getPayrollCalendar($xero_tenant_id, $payroll_calendar_id)
     {
-        list($response) = $this->getPayrollCalendarWithHttpInfo($xero_tenant_id$payroll_calendar_id);
+        list($response) = $this->getPayrollCalendarWithHttpInfo($xero_tenant_id, $payroll_calendar_id);
         return $response;
     }
     /**
@@ -3717,9 +3717,9 @@ public function getPayrollCalendar($xero_tenant_id$payroll_calendar_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\PayrollCalendars|\XeroAPI\XeroPHP\Models\PayrollAu\APIException, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayrollCalendarWithHttpInfo($xero_tenant_id$payroll_calendar_id)
+    public function getPayrollCalendarWithHttpInfo($xero_tenant_id, $payroll_calendar_id)
     {
-        $request = $this->getPayrollCalendarRequest($xero_tenant_id$payroll_calendar_id);
+        $request = $this->getPayrollCalendarRequest($xero_tenant_id, $payroll_calendar_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3812,9 +3812,9 @@ public function getPayrollCalendarWithHttpInfo($xero_tenant_id$payroll_calendar_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayrollCalendarAsync($xero_tenant_id$payroll_calendar_id)
+    public function getPayrollCalendarAsync($xero_tenant_id, $payroll_calendar_id)
     {
-        return $this->getPayrollCalendarAsyncWithHttpInfo($xero_tenant_id$payroll_calendar_id)
+        return $this->getPayrollCalendarAsyncWithHttpInfo($xero_tenant_id, $payroll_calendar_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3828,10 +3828,10 @@ function ($response) {
      * @param  string $payroll_calendar_id Payroll Calendar id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayrollCalendarAsyncWithHttpInfo($xero_tenant_id$payroll_calendar_id)
+    public function getPayrollCalendarAsyncWithHttpInfo($xero_tenant_id, $payroll_calendar_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\PayrollCalendars';
-        $request = $this->getPayrollCalendarRequest($xero_tenant_id$payroll_calendar_id);
+        $request = $this->getPayrollCalendarRequest($xero_tenant_id, $payroll_calendar_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3871,7 +3871,7 @@ function ($exception) {
      * @param  string $payroll_calendar_id Payroll Calendar id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayrollCalendarRequest($xero_tenant_id$payroll_calendar_id)
+    protected function getPayrollCalendarRequest($xero_tenant_id, $payroll_calendar_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3975,9 +3975,9 @@ protected function getPayrollCalendarRequest($xero_tenant_id$payroll_calendar_id
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\PayrollCalendars|\XeroAPI\XeroPHP\Models\PayrollAu\APIException
      */
-    public function getPayrollCalendars($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getPayrollCalendars($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
-        list($response) = $this->getPayrollCalendarsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page);
+        list($response) = $this->getPayrollCalendarsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page);
         return $response;
     }
     /**
@@ -3992,9 +3992,9 @@ public function getPayrollCalendars($xero_tenant_id$if_modified_since = null$whe
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\PayrollCalendars|\XeroAPI\XeroPHP\Models\PayrollAu\APIException, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayrollCalendarsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getPayrollCalendarsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
-        $request = $this->getPayrollCalendarsRequest($xero_tenant_id$if_modified_since$where$order$page);
+        $request = $this->getPayrollCalendarsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4090,9 +4090,9 @@ public function getPayrollCalendarsWithHttpInfo($xero_tenant_id$if_modified_sinc
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayrollCalendarsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getPayrollCalendarsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
-        return $this->getPayrollCalendarsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page)
+        return $this->getPayrollCalendarsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4109,10 +4109,10 @@ function ($response) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 objects will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayrollCalendarsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getPayrollCalendarsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\PayrollCalendars';
-        $request = $this->getPayrollCalendarsRequest($xero_tenant_id$if_modified_since$where$order$page);
+        $request = $this->getPayrollCalendarsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4155,7 +4155,7 @@ function ($exception) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 objects will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayrollCalendarsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    protected function getPayrollCalendarsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4258,9 +4258,9 @@ protected function getPayrollCalendarsRequest($xero_tenant_id$if_modified_since
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\PayslipObject
      */
-    public function getPayslip($xero_tenant_id$payslip_id)
+    public function getPayslip($xero_tenant_id, $payslip_id)
     {
-        list($response) = $this->getPayslipWithHttpInfo($xero_tenant_id$payslip_id);
+        list($response) = $this->getPayslipWithHttpInfo($xero_tenant_id, $payslip_id);
         return $response;
     }
     /**
@@ -4272,9 +4272,9 @@ public function getPayslip($xero_tenant_id$payslip_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\PayslipObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayslipWithHttpInfo($xero_tenant_id$payslip_id)
+    public function getPayslipWithHttpInfo($xero_tenant_id, $payslip_id)
     {
-        $request = $this->getPayslipRequest($xero_tenant_id$payslip_id);
+        $request = $this->getPayslipRequest($xero_tenant_id, $payslip_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4348,9 +4348,9 @@ public function getPayslipWithHttpInfo($xero_tenant_id$payslip_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayslipAsync($xero_tenant_id$payslip_id)
+    public function getPayslipAsync($xero_tenant_id, $payslip_id)
     {
-        return $this->getPayslipAsyncWithHttpInfo($xero_tenant_id$payslip_id)
+        return $this->getPayslipAsyncWithHttpInfo($xero_tenant_id, $payslip_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4364,10 +4364,10 @@ function ($response) {
      * @param  string $payslip_id Payslip id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayslipAsyncWithHttpInfo($xero_tenant_id$payslip_id)
+    public function getPayslipAsyncWithHttpInfo($xero_tenant_id, $payslip_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\PayslipObject';
-        $request = $this->getPayslipRequest($xero_tenant_id$payslip_id);
+        $request = $this->getPayslipRequest($xero_tenant_id, $payslip_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4407,7 +4407,7 @@ function ($exception) {
      * @param  string $payslip_id Payslip id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayslipRequest($xero_tenant_id$payslip_id)
+    protected function getPayslipRequest($xero_tenant_id, $payslip_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4739,9 +4739,9 @@ protected function getSettingsRequest($xero_tenant_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\SuperFunds
      */
-    public function getSuperfund($xero_tenant_id$super_fund_id)
+    public function getSuperfund($xero_tenant_id, $super_fund_id)
     {
-        list($response) = $this->getSuperfundWithHttpInfo($xero_tenant_id$super_fund_id);
+        list($response) = $this->getSuperfundWithHttpInfo($xero_tenant_id, $super_fund_id);
         return $response;
     }
     /**
@@ -4753,9 +4753,9 @@ public function getSuperfund($xero_tenant_id$super_fund_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\SuperFunds, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getSuperfundWithHttpInfo($xero_tenant_id$super_fund_id)
+    public function getSuperfundWithHttpInfo($xero_tenant_id, $super_fund_id)
     {
-        $request = $this->getSuperfundRequest($xero_tenant_id$super_fund_id);
+        $request = $this->getSuperfundRequest($xero_tenant_id, $super_fund_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4829,9 +4829,9 @@ public function getSuperfundWithHttpInfo($xero_tenant_id$super_fund_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getSuperfundAsync($xero_tenant_id$super_fund_id)
+    public function getSuperfundAsync($xero_tenant_id, $super_fund_id)
     {
-        return $this->getSuperfundAsyncWithHttpInfo($xero_tenant_id$super_fund_id)
+        return $this->getSuperfundAsyncWithHttpInfo($xero_tenant_id, $super_fund_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4845,10 +4845,10 @@ function ($response) {
      * @param  string $super_fund_id Superfund id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getSuperfundAsyncWithHttpInfo($xero_tenant_id$super_fund_id)
+    public function getSuperfundAsyncWithHttpInfo($xero_tenant_id, $super_fund_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\SuperFunds';
-        $request = $this->getSuperfundRequest($xero_tenant_id$super_fund_id);
+        $request = $this->getSuperfundRequest($xero_tenant_id, $super_fund_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4888,7 +4888,7 @@ function ($exception) {
      * @param  string $super_fund_id Superfund id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getSuperfundRequest($xero_tenant_id$super_fund_id)
+    protected function getSuperfundRequest($xero_tenant_id, $super_fund_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4990,9 +4990,9 @@ protected function getSuperfundRequest($xero_tenant_id$super_fund_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\SuperFundProducts|\XeroAPI\XeroPHP\Models\PayrollAu\APIException
      */
-    public function getSuperfundProducts($xero_tenant_id$abn = null$usi = null)
+    public function getSuperfundProducts($xero_tenant_id, $abn = null, $usi = null)
     {
-        list($response) = $this->getSuperfundProductsWithHttpInfo($xero_tenant_id$abn$usi);
+        list($response) = $this->getSuperfundProductsWithHttpInfo($xero_tenant_id, $abn, $usi);
         return $response;
     }
     /**
@@ -5005,9 +5005,9 @@ public function getSuperfundProducts($xero_tenant_id$abn = null$usi = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\SuperFundProducts|\XeroAPI\XeroPHP\Models\PayrollAu\APIException, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getSuperfundProductsWithHttpInfo($xero_tenant_id$abn = null$usi = null)
+    public function getSuperfundProductsWithHttpInfo($xero_tenant_id, $abn = null, $usi = null)
     {
-        $request = $this->getSuperfundProductsRequest($xero_tenant_id$abn$usi);
+        $request = $this->getSuperfundProductsRequest($xero_tenant_id, $abn, $usi);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5101,9 +5101,9 @@ public function getSuperfundProductsWithHttpInfo($xero_tenant_id$abn = null$usi
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getSuperfundProductsAsync($xero_tenant_id$abn = null$usi = null)
+    public function getSuperfundProductsAsync($xero_tenant_id, $abn = null, $usi = null)
     {
-        return $this->getSuperfundProductsAsyncWithHttpInfo($xero_tenant_id$abn$usi)
+        return $this->getSuperfundProductsAsyncWithHttpInfo($xero_tenant_id, $abn, $usi)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5118,10 +5118,10 @@ function ($response) {
      * @param  string $usi The USI of the Regulated SuperFund (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getSuperfundProductsAsyncWithHttpInfo($xero_tenant_id$abn = null$usi = null)
+    public function getSuperfundProductsAsyncWithHttpInfo($xero_tenant_id, $abn = null, $usi = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\SuperFundProducts';
-        $request = $this->getSuperfundProductsRequest($xero_tenant_id$abn$usi);
+        $request = $this->getSuperfundProductsRequest($xero_tenant_id, $abn, $usi);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5162,7 +5162,7 @@ function ($exception) {
      * @param  string $usi The USI of the Regulated SuperFund (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getSuperfundProductsRequest($xero_tenant_id$abn = null$usi = null)
+    protected function getSuperfundProductsRequest($xero_tenant_id, $abn = null, $usi = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5260,9 +5260,9 @@ protected function getSuperfundProductsRequest($xero_tenant_id$abn = null$usi =
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\SuperFunds|\XeroAPI\XeroPHP\Models\PayrollAu\APIException
      */
-    public function getSuperfunds($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getSuperfunds($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
-        list($response) = $this->getSuperfundsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page);
+        list($response) = $this->getSuperfundsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page);
         return $response;
     }
     /**
@@ -5277,9 +5277,9 @@ public function getSuperfunds($xero_tenant_id$if_modified_since = null$where = n
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\SuperFunds|\XeroAPI\XeroPHP\Models\PayrollAu\APIException, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getSuperfundsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getSuperfundsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
-        $request = $this->getSuperfundsRequest($xero_tenant_id$if_modified_since$where$order$page);
+        $request = $this->getSuperfundsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5375,9 +5375,9 @@ public function getSuperfundsWithHttpInfo($xero_tenant_id$if_modified_since = nu
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getSuperfundsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getSuperfundsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
-        return $this->getSuperfundsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page)
+        return $this->getSuperfundsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5394,10 +5394,10 @@ function ($response) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 SuperFunds will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getSuperfundsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getSuperfundsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\SuperFunds';
-        $request = $this->getSuperfundsRequest($xero_tenant_id$if_modified_since$where$order$page);
+        $request = $this->getSuperfundsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5440,7 +5440,7 @@ function ($exception) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 SuperFunds will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getSuperfundsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    protected function getSuperfundsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5543,9 +5543,9 @@ protected function getSuperfundsRequest($xero_tenant_id$if_modified_since = null
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\TimesheetObject
      */
-    public function getTimesheet($xero_tenant_id$timesheet_id)
+    public function getTimesheet($xero_tenant_id, $timesheet_id)
     {
-        list($response) = $this->getTimesheetWithHttpInfo($xero_tenant_id$timesheet_id);
+        list($response) = $this->getTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id);
         return $response;
     }
     /**
@@ -5557,9 +5557,9 @@ public function getTimesheet($xero_tenant_id$timesheet_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\TimesheetObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getTimesheetWithHttpInfo($xero_tenant_id$timesheet_id)
+    public function getTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id)
     {
-        $request = $this->getTimesheetRequest($xero_tenant_id$timesheet_id);
+        $request = $this->getTimesheetRequest($xero_tenant_id, $timesheet_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5633,9 +5633,9 @@ public function getTimesheetWithHttpInfo($xero_tenant_id$timesheet_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getTimesheetAsync($xero_tenant_id$timesheet_id)
+    public function getTimesheetAsync($xero_tenant_id, $timesheet_id)
     {
-        return $this->getTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
+        return $this->getTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5649,10 +5649,10 @@ function ($response) {
      * @param  string $timesheet_id Timesheet id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
+    public function getTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\TimesheetObject';
-        $request = $this->getTimesheetRequest($xero_tenant_id$timesheet_id);
+        $request = $this->getTimesheetRequest($xero_tenant_id, $timesheet_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5692,7 +5692,7 @@ function ($exception) {
      * @param  string $timesheet_id Timesheet id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getTimesheetRequest($xero_tenant_id$timesheet_id)
+    protected function getTimesheetRequest($xero_tenant_id, $timesheet_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5796,9 +5796,9 @@ protected function getTimesheetRequest($xero_tenant_id$timesheet_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\Timesheets|\XeroAPI\XeroPHP\Models\PayrollAu\APIException
      */
-    public function getTimesheets($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getTimesheets($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
-        list($response) = $this->getTimesheetsWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page);
+        list($response) = $this->getTimesheetsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page);
         return $response;
     }
     /**
@@ -5813,9 +5813,9 @@ public function getTimesheets($xero_tenant_id$if_modified_since = null$where = n
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\Timesheets|\XeroAPI\XeroPHP\Models\PayrollAu\APIException, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getTimesheetsWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getTimesheetsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
-        $request = $this->getTimesheetsRequest($xero_tenant_id$if_modified_since$where$order$page);
+        $request = $this->getTimesheetsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5911,9 +5911,9 @@ public function getTimesheetsWithHttpInfo($xero_tenant_id$if_modified_since = nu
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getTimesheetsAsync($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getTimesheetsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
-        return $this->getTimesheetsAsyncWithHttpInfo($xero_tenant_id$if_modified_since$where$order$page)
+        return $this->getTimesheetsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5930,10 +5930,10 @@ function ($response) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 timesheets will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getTimesheetsAsyncWithHttpInfo($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    public function getTimesheetsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\Timesheets';
-        $request = $this->getTimesheetsRequest($xero_tenant_id$if_modified_since$where$order$page);
+        $request = $this->getTimesheetsRequest($xero_tenant_id, $if_modified_since, $where, $order, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5976,7 +5976,7 @@ function ($exception) {
      * @param  int $page e.g. page&#x3D;1 – Up to 100 timesheets will be returned in a single API call (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getTimesheetsRequest($xero_tenant_id$if_modified_since = null$where = null$order = null$page = null)
+    protected function getTimesheetsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6080,9 +6080,9 @@ protected function getTimesheetsRequest($xero_tenant_id$if_modified_since = null
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\Employees
      */
-    public function updateEmployee($xero_tenant_id$employee_id$employee = null)
+    public function updateEmployee($xero_tenant_id, $employee_id, $employee = null)
     {
-        list($response) = $this->updateEmployeeWithHttpInfo($xero_tenant_id$employee_id$employee);
+        list($response) = $this->updateEmployeeWithHttpInfo($xero_tenant_id, $employee_id, $employee);
         return $response;
     }
     /**
@@ -6095,9 +6095,9 @@ public function updateEmployee($xero_tenant_id$employee_id$employee = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\Employees, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateEmployeeWithHttpInfo($xero_tenant_id$employee_id$employee = null)
+    public function updateEmployeeWithHttpInfo($xero_tenant_id, $employee_id, $employee = null)
     {
-        $request = $this->updateEmployeeRequest($xero_tenant_id$employee_id$employee);
+        $request = $this->updateEmployeeRequest($xero_tenant_id, $employee_id, $employee);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6172,9 +6172,9 @@ public function updateEmployeeWithHttpInfo($xero_tenant_id$employee_id$employee
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateEmployeeAsync($xero_tenant_id$employee_id$employee = null)
+    public function updateEmployeeAsync($xero_tenant_id, $employee_id, $employee = null)
     {
-        return $this->updateEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id$employee)
+        return $this->updateEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6189,10 +6189,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\Employee[] $employee (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id$employee = null)
+    public function updateEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\Employees';
-        $request = $this->updateEmployeeRequest($xero_tenant_id$employee_id$employee);
+        $request = $this->updateEmployeeRequest($xero_tenant_id, $employee_id, $employee);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -6233,7 +6233,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\Employee[] $employee (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateEmployeeRequest($xero_tenant_id$employee_id$employee = null)
+    protected function updateEmployeeRequest($xero_tenant_id, $employee_id, $employee = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6338,9 +6338,9 @@ protected function updateEmployeeRequest($xero_tenant_id$employee_id$employee =
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplications
      */
-    public function updateLeaveApplication($xero_tenant_id$leave_application_id$leave_application)
+    public function updateLeaveApplication($xero_tenant_id, $leave_application_id, $leave_application)
     {
-        list($response) = $this->updateLeaveApplicationWithHttpInfo($xero_tenant_id$leave_application_id$leave_application);
+        list($response) = $this->updateLeaveApplicationWithHttpInfo($xero_tenant_id, $leave_application_id, $leave_application);
         return $response;
     }
     /**
@@ -6353,9 +6353,9 @@ public function updateLeaveApplication($xero_tenant_id$leave_application_id$leav
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplications, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateLeaveApplicationWithHttpInfo($xero_tenant_id$leave_application_id$leave_application)
+    public function updateLeaveApplicationWithHttpInfo($xero_tenant_id, $leave_application_id, $leave_application)
     {
-        $request = $this->updateLeaveApplicationRequest($xero_tenant_id$leave_application_id$leave_application);
+        $request = $this->updateLeaveApplicationRequest($xero_tenant_id, $leave_application_id, $leave_application);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6430,9 +6430,9 @@ public function updateLeaveApplicationWithHttpInfo($xero_tenant_id$leave_applica
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateLeaveApplicationAsync($xero_tenant_id$leave_application_id$leave_application)
+    public function updateLeaveApplicationAsync($xero_tenant_id, $leave_application_id, $leave_application)
     {
-        return $this->updateLeaveApplicationAsyncWithHttpInfo($xero_tenant_id$leave_application_id$leave_application)
+        return $this->updateLeaveApplicationAsyncWithHttpInfo($xero_tenant_id, $leave_application_id, $leave_application)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6447,10 +6447,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplication[] $leave_application (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateLeaveApplicationAsyncWithHttpInfo($xero_tenant_id$leave_application_id$leave_application)
+    public function updateLeaveApplicationAsyncWithHttpInfo($xero_tenant_id, $leave_application_id, $leave_application)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplications';
-        $request = $this->updateLeaveApplicationRequest($xero_tenant_id$leave_application_id$leave_application);
+        $request = $this->updateLeaveApplicationRequest($xero_tenant_id, $leave_application_id, $leave_application);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -6491,7 +6491,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\LeaveApplication[] $leave_application (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateLeaveApplicationRequest($xero_tenant_id$leave_application_id$leave_application)
+    protected function updateLeaveApplicationRequest($xero_tenant_id, $leave_application_id, $leave_application)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6602,9 +6602,9 @@ protected function updateLeaveApplicationRequest($xero_tenant_id$leave_applicati
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\PayRuns
      */
-    public function updatePayRun($xero_tenant_id$pay_run_id$pay_run = null)
+    public function updatePayRun($xero_tenant_id, $pay_run_id, $pay_run = null)
     {
-        list($response) = $this->updatePayRunWithHttpInfo($xero_tenant_id$pay_run_id$pay_run);
+        list($response) = $this->updatePayRunWithHttpInfo($xero_tenant_id, $pay_run_id, $pay_run);
         return $response;
     }
     /**
@@ -6617,9 +6617,9 @@ public function updatePayRun($xero_tenant_id$pay_run_id$pay_run = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\PayRuns, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updatePayRunWithHttpInfo($xero_tenant_id$pay_run_id$pay_run = null)
+    public function updatePayRunWithHttpInfo($xero_tenant_id, $pay_run_id, $pay_run = null)
     {
-        $request = $this->updatePayRunRequest($xero_tenant_id$pay_run_id$pay_run);
+        $request = $this->updatePayRunRequest($xero_tenant_id, $pay_run_id, $pay_run);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6694,9 +6694,9 @@ public function updatePayRunWithHttpInfo($xero_tenant_id$pay_run_id$pay_run = nu
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updatePayRunAsync($xero_tenant_id$pay_run_id$pay_run = null)
+    public function updatePayRunAsync($xero_tenant_id, $pay_run_id, $pay_run = null)
     {
-        return $this->updatePayRunAsyncWithHttpInfo($xero_tenant_id$pay_run_id$pay_run)
+        return $this->updatePayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run_id, $pay_run)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6711,10 +6711,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\PayRun[] $pay_run (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updatePayRunAsyncWithHttpInfo($xero_tenant_id$pay_run_id$pay_run = null)
+    public function updatePayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run_id, $pay_run = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\PayRuns';
-        $request = $this->updatePayRunRequest($xero_tenant_id$pay_run_id$pay_run);
+        $request = $this->updatePayRunRequest($xero_tenant_id, $pay_run_id, $pay_run);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -6755,7 +6755,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\PayRun[] $pay_run (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updatePayRunRequest($xero_tenant_id$pay_run_id$pay_run = null)
+    protected function updatePayRunRequest($xero_tenant_id, $pay_run_id, $pay_run = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6860,9 +6860,9 @@ protected function updatePayRunRequest($xero_tenant_id$pay_run_id$pay_run = null
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\Payslips
      */
-    public function updatePayslip($xero_tenant_id$payslip_id$payslip_lines = null)
+    public function updatePayslip($xero_tenant_id, $payslip_id, $payslip_lines = null)
     {
-        list($response) = $this->updatePayslipWithHttpInfo($xero_tenant_id$payslip_id$payslip_lines);
+        list($response) = $this->updatePayslipWithHttpInfo($xero_tenant_id, $payslip_id, $payslip_lines);
         return $response;
     }
     /**
@@ -6875,9 +6875,9 @@ public function updatePayslip($xero_tenant_id$payslip_id$payslip_lines = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\Payslips, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updatePayslipWithHttpInfo($xero_tenant_id$payslip_id$payslip_lines = null)
+    public function updatePayslipWithHttpInfo($xero_tenant_id, $payslip_id, $payslip_lines = null)
     {
-        $request = $this->updatePayslipRequest($xero_tenant_id$payslip_id$payslip_lines);
+        $request = $this->updatePayslipRequest($xero_tenant_id, $payslip_id, $payslip_lines);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6952,9 +6952,9 @@ public function updatePayslipWithHttpInfo($xero_tenant_id$payslip_id$payslip_lin
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updatePayslipAsync($xero_tenant_id$payslip_id$payslip_lines = null)
+    public function updatePayslipAsync($xero_tenant_id, $payslip_id, $payslip_lines = null)
     {
-        return $this->updatePayslipAsyncWithHttpInfo($xero_tenant_id$payslip_id$payslip_lines)
+        return $this->updatePayslipAsyncWithHttpInfo($xero_tenant_id, $payslip_id, $payslip_lines)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6969,10 +6969,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\PayslipLines[] $payslip_lines (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updatePayslipAsyncWithHttpInfo($xero_tenant_id$payslip_id$payslip_lines = null)
+    public function updatePayslipAsyncWithHttpInfo($xero_tenant_id, $payslip_id, $payslip_lines = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\Payslips';
-        $request = $this->updatePayslipRequest($xero_tenant_id$payslip_id$payslip_lines);
+        $request = $this->updatePayslipRequest($xero_tenant_id, $payslip_id, $payslip_lines);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7013,7 +7013,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\PayslipLines[] $payslip_lines (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updatePayslipRequest($xero_tenant_id$payslip_id$payslip_lines = null)
+    protected function updatePayslipRequest($xero_tenant_id, $payslip_id, $payslip_lines = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7118,9 +7118,9 @@ protected function updatePayslipRequest($xero_tenant_id$payslip_id$payslip_lines
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\SuperFunds
      */
-    public function updateSuperfund($xero_tenant_id$super_fund_id$super_fund = null)
+    public function updateSuperfund($xero_tenant_id, $super_fund_id, $super_fund = null)
     {
-        list($response) = $this->updateSuperfundWithHttpInfo($xero_tenant_id$super_fund_id$super_fund);
+        list($response) = $this->updateSuperfundWithHttpInfo($xero_tenant_id, $super_fund_id, $super_fund);
         return $response;
     }
     /**
@@ -7133,9 +7133,9 @@ public function updateSuperfund($xero_tenant_id$super_fund_id$super_fund = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\SuperFunds, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateSuperfundWithHttpInfo($xero_tenant_id$super_fund_id$super_fund = null)
+    public function updateSuperfundWithHttpInfo($xero_tenant_id, $super_fund_id, $super_fund = null)
     {
-        $request = $this->updateSuperfundRequest($xero_tenant_id$super_fund_id$super_fund);
+        $request = $this->updateSuperfundRequest($xero_tenant_id, $super_fund_id, $super_fund);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -7210,9 +7210,9 @@ public function updateSuperfundWithHttpInfo($xero_tenant_id$super_fund_id$super_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateSuperfundAsync($xero_tenant_id$super_fund_id$super_fund = null)
+    public function updateSuperfundAsync($xero_tenant_id, $super_fund_id, $super_fund = null)
     {
-        return $this->updateSuperfundAsyncWithHttpInfo($xero_tenant_id$super_fund_id$super_fund)
+        return $this->updateSuperfundAsyncWithHttpInfo($xero_tenant_id, $super_fund_id, $super_fund)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -7227,10 +7227,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\SuperFund[] $super_fund (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateSuperfundAsyncWithHttpInfo($xero_tenant_id$super_fund_id$super_fund = null)
+    public function updateSuperfundAsyncWithHttpInfo($xero_tenant_id, $super_fund_id, $super_fund = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\SuperFunds';
-        $request = $this->updateSuperfundRequest($xero_tenant_id$super_fund_id$super_fund);
+        $request = $this->updateSuperfundRequest($xero_tenant_id, $super_fund_id, $super_fund);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7271,7 +7271,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\SuperFund[] $super_fund (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateSuperfundRequest($xero_tenant_id$super_fund_id$super_fund = null)
+    protected function updateSuperfundRequest($xero_tenant_id, $super_fund_id, $super_fund = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7376,9 +7376,9 @@ protected function updateSuperfundRequest($xero_tenant_id$super_fund_id$super_fu
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollAu\Timesheets
      */
-    public function updateTimesheet($xero_tenant_id$timesheet_id$timesheet = null)
+    public function updateTimesheet($xero_tenant_id, $timesheet_id, $timesheet = null)
     {
-        list($response) = $this->updateTimesheetWithHttpInfo($xero_tenant_id$timesheet_id$timesheet);
+        list($response) = $this->updateTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet);
         return $response;
     }
     /**
@@ -7391,9 +7391,9 @@ public function updateTimesheet($xero_tenant_id$timesheet_id$timesheet = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollAu\Timesheets, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateTimesheetWithHttpInfo($xero_tenant_id$timesheet_id$timesheet = null)
+    public function updateTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet = null)
     {
-        $request = $this->updateTimesheetRequest($xero_tenant_id$timesheet_id$timesheet);
+        $request = $this->updateTimesheetRequest($xero_tenant_id, $timesheet_id, $timesheet);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -7468,9 +7468,9 @@ public function updateTimesheetWithHttpInfo($xero_tenant_id$timesheet_id$timeshe
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateTimesheetAsync($xero_tenant_id$timesheet_id$timesheet = null)
+    public function updateTimesheetAsync($xero_tenant_id, $timesheet_id, $timesheet = null)
     {
-        return $this->updateTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet)
+        return $this->updateTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -7485,10 +7485,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\Timesheet[] $timesheet (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet = null)
+    public function updateTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollAu\Timesheets';
-        $request = $this->updateTimesheetRequest($xero_tenant_id$timesheet_id$timesheet);
+        $request = $this->updateTimesheetRequest($xero_tenant_id, $timesheet_id, $timesheet);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7529,7 +7529,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollAu\Timesheet[] $timesheet (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateTimesheetRequest($xero_tenant_id$timesheet_id$timesheet = null)
+    protected function updateTimesheetRequest($xero_tenant_id, $timesheet_id, $timesheet = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
diff --git a/lib/Api/PayrollNzApi.php b/lib/Api/PayrollNzApi.php
index 96f439e8..4c464783 100644
--- a/lib/Api/PayrollNzApi.php
+++ b/lib/Api/PayrollNzApi.php
@@ -17,7 +17,7 @@
  * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
@@ -94,9 +94,9 @@ public function getConfig()
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function approveTimesheet($xero_tenant_id$timesheet_id)
+    public function approveTimesheet($xero_tenant_id, $timesheet_id)
     {
-        list($response) = $this->approveTimesheetWithHttpInfo($xero_tenant_id$timesheet_id);
+        list($response) = $this->approveTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id);
         return $response;
     }
     /**
@@ -108,9 +108,9 @@ public function approveTimesheet($xero_tenant_id$timesheet_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function approveTimesheetWithHttpInfo($xero_tenant_id$timesheet_id)
+    public function approveTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id)
     {
-        $request = $this->approveTimesheetRequest($xero_tenant_id$timesheet_id);
+        $request = $this->approveTimesheetRequest($xero_tenant_id, $timesheet_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -203,9 +203,9 @@ public function approveTimesheetWithHttpInfo($xero_tenant_id$timesheet_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function approveTimesheetAsync($xero_tenant_id$timesheet_id)
+    public function approveTimesheetAsync($xero_tenant_id, $timesheet_id)
     {
-        return $this->approveTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
+        return $this->approveTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -219,10 +219,10 @@ function ($response) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function approveTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
+    public function approveTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetObject';
-        $request = $this->approveTimesheetRequest($xero_tenant_id$timesheet_id);
+        $request = $this->approveTimesheetRequest($xero_tenant_id, $timesheet_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -262,7 +262,7 @@ function ($exception) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function approveTimesheetRequest($xero_tenant_id$timesheet_id)
+    protected function approveTimesheetRequest($xero_tenant_id, $timesheet_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -363,9 +363,9 @@ protected function approveTimesheetRequest($xero_tenant_id$timesheet_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\DeductionObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createDeduction($xero_tenant_id$deduction)
+    public function createDeduction($xero_tenant_id, $deduction)
     {
-        list($response) = $this->createDeductionWithHttpInfo($xero_tenant_id$deduction);
+        list($response) = $this->createDeductionWithHttpInfo($xero_tenant_id, $deduction);
         return $response;
     }
     /**
@@ -377,9 +377,9 @@ public function createDeduction($xero_tenant_id$deduction)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\DeductionObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createDeductionWithHttpInfo($xero_tenant_id$deduction)
+    public function createDeductionWithHttpInfo($xero_tenant_id, $deduction)
     {
-        $request = $this->createDeductionRequest($xero_tenant_id$deduction);
+        $request = $this->createDeductionRequest($xero_tenant_id, $deduction);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -472,9 +472,9 @@ public function createDeductionWithHttpInfo($xero_tenant_id$deduction)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createDeductionAsync($xero_tenant_id$deduction)
+    public function createDeductionAsync($xero_tenant_id, $deduction)
     {
-        return $this->createDeductionAsyncWithHttpInfo($xero_tenant_id$deduction)
+        return $this->createDeductionAsyncWithHttpInfo($xero_tenant_id, $deduction)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -488,10 +488,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Deduction $deduction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createDeductionAsyncWithHttpInfo($xero_tenant_id$deduction)
+    public function createDeductionAsyncWithHttpInfo($xero_tenant_id, $deduction)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\DeductionObject';
-        $request = $this->createDeductionRequest($xero_tenant_id$deduction);
+        $request = $this->createDeductionRequest($xero_tenant_id, $deduction);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -531,7 +531,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Deduction $deduction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createDeductionRequest($xero_tenant_id$deduction)
+    protected function createDeductionRequest($xero_tenant_id, $deduction)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -627,9 +627,9 @@ protected function createDeductionRequest($xero_tenant_id$deduction)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EarningsRateObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createEarningsRate($xero_tenant_id$earnings_rate)
+    public function createEarningsRate($xero_tenant_id, $earnings_rate)
     {
-        list($response) = $this->createEarningsRateWithHttpInfo($xero_tenant_id$earnings_rate);
+        list($response) = $this->createEarningsRateWithHttpInfo($xero_tenant_id, $earnings_rate);
         return $response;
     }
     /**
@@ -641,9 +641,9 @@ public function createEarningsRate($xero_tenant_id$earnings_rate)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EarningsRateObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEarningsRateWithHttpInfo($xero_tenant_id$earnings_rate)
+    public function createEarningsRateWithHttpInfo($xero_tenant_id, $earnings_rate)
     {
-        $request = $this->createEarningsRateRequest($xero_tenant_id$earnings_rate);
+        $request = $this->createEarningsRateRequest($xero_tenant_id, $earnings_rate);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -736,9 +736,9 @@ public function createEarningsRateWithHttpInfo($xero_tenant_id$earnings_rate)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEarningsRateAsync($xero_tenant_id$earnings_rate)
+    public function createEarningsRateAsync($xero_tenant_id, $earnings_rate)
     {
-        return $this->createEarningsRateAsyncWithHttpInfo($xero_tenant_id$earnings_rate)
+        return $this->createEarningsRateAsyncWithHttpInfo($xero_tenant_id, $earnings_rate)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -752,10 +752,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EarningsRate $earnings_rate (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEarningsRateAsyncWithHttpInfo($xero_tenant_id$earnings_rate)
+    public function createEarningsRateAsyncWithHttpInfo($xero_tenant_id, $earnings_rate)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsRateObject';
-        $request = $this->createEarningsRateRequest($xero_tenant_id$earnings_rate);
+        $request = $this->createEarningsRateRequest($xero_tenant_id, $earnings_rate);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -795,7 +795,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EarningsRate $earnings_rate (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEarningsRateRequest($xero_tenant_id$earnings_rate)
+    protected function createEarningsRateRequest($xero_tenant_id, $earnings_rate)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -891,9 +891,9 @@ protected function createEarningsRateRequest($xero_tenant_id$earnings_rate)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createEmployee($xero_tenant_id$employee)
+    public function createEmployee($xero_tenant_id, $employee)
     {
-        list($response) = $this->createEmployeeWithHttpInfo($xero_tenant_id$employee);
+        list($response) = $this->createEmployeeWithHttpInfo($xero_tenant_id, $employee);
         return $response;
     }
     /**
@@ -905,9 +905,9 @@ public function createEmployee($xero_tenant_id$employee)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeWithHttpInfo($xero_tenant_id$employee)
+    public function createEmployeeWithHttpInfo($xero_tenant_id, $employee)
     {
-        $request = $this->createEmployeeRequest($xero_tenant_id$employee);
+        $request = $this->createEmployeeRequest($xero_tenant_id, $employee);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1000,9 +1000,9 @@ public function createEmployeeWithHttpInfo($xero_tenant_id$employee)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeAsync($xero_tenant_id$employee)
+    public function createEmployeeAsync($xero_tenant_id, $employee)
     {
-        return $this->createEmployeeAsyncWithHttpInfo($xero_tenant_id$employee)
+        return $this->createEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1016,10 +1016,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Employee $employee (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeAsyncWithHttpInfo($xero_tenant_id$employee)
+    public function createEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeObject';
-        $request = $this->createEmployeeRequest($xero_tenant_id$employee);
+        $request = $this->createEmployeeRequest($xero_tenant_id, $employee);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1059,7 +1059,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Employee $employee (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeRequest($xero_tenant_id$employee)
+    protected function createEmployeeRequest($xero_tenant_id, $employee)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1156,9 +1156,9 @@ protected function createEmployeeRequest($xero_tenant_id$employee)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplateObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createEmployeeEarningsTemplate($xero_tenant_id$employee_id$earnings_template)
+    public function createEmployeeEarningsTemplate($xero_tenant_id, $employee_id, $earnings_template)
     {
-        list($response) = $this->createEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$earnings_template);
+        list($response) = $this->createEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template);
         return $response;
     }
     /**
@@ -1171,9 +1171,9 @@ public function createEmployeeEarningsTemplate($xero_tenant_id$employee_id$earni
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplateObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$earnings_template)
+    public function createEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template)
     {
-        $request = $this->createEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$earnings_template);
+        $request = $this->createEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $earnings_template);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1267,9 +1267,9 @@ public function createEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$emplo
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeEarningsTemplateAsync($xero_tenant_id$employee_id$earnings_template)
+    public function createEmployeeEarningsTemplateAsync($xero_tenant_id, $employee_id, $earnings_template)
     {
-        return $this->createEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$earnings_template)
+        return $this->createEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1284,10 +1284,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplate $earnings_template (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$earnings_template)
+    public function createEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplateObject';
-        $request = $this->createEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$earnings_template);
+        $request = $this->createEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $earnings_template);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1328,7 +1328,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplate $earnings_template (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$earnings_template)
+    protected function createEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $earnings_template)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1439,9 +1439,9 @@ protected function createEmployeeEarningsTemplateRequest($xero_tenant_id$employe
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createEmployeeLeave($xero_tenant_id$employee_id$employee_leave)
+    public function createEmployeeLeave($xero_tenant_id, $employee_id, $employee_leave)
     {
-        list($response) = $this->createEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$employee_leave);
+        list($response) = $this->createEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave);
         return $response;
     }
     /**
@@ -1454,9 +1454,9 @@ public function createEmployeeLeave($xero_tenant_id$employee_id$employee_leave)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$employee_leave)
+    public function createEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave)
     {
-        $request = $this->createEmployeeLeaveRequest($xero_tenant_id$employee_id$employee_leave);
+        $request = $this->createEmployeeLeaveRequest($xero_tenant_id, $employee_id, $employee_leave);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1550,9 +1550,9 @@ public function createEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$empl
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeLeaveAsync($xero_tenant_id$employee_id$employee_leave)
+    public function createEmployeeLeaveAsync($xero_tenant_id, $employee_id, $employee_leave)
     {
-        return $this->createEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_leave)
+        return $this->createEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1567,10 +1567,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeave $employee_leave (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_leave)
+    public function createEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveObject';
-        $request = $this->createEmployeeLeaveRequest($xero_tenant_id$employee_id$employee_leave);
+        $request = $this->createEmployeeLeaveRequest($xero_tenant_id, $employee_id, $employee_leave);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1611,7 +1611,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeave $employee_leave (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeLeaveRequest($xero_tenant_id$employee_id$employee_leave)
+    protected function createEmployeeLeaveRequest($xero_tenant_id, $employee_id, $employee_leave)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1722,9 +1722,9 @@ protected function createEmployeeLeaveRequest($xero_tenant_id$employee_id$employ
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveSetupObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createEmployeeLeaveSetup($xero_tenant_id$employee_id$employee_leave_setup)
+    public function createEmployeeLeaveSetup($xero_tenant_id, $employee_id, $employee_leave_setup)
     {
-        list($response) = $this->createEmployeeLeaveSetupWithHttpInfo($xero_tenant_id$employee_id$employee_leave_setup);
+        list($response) = $this->createEmployeeLeaveSetupWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave_setup);
         return $response;
     }
     /**
@@ -1737,9 +1737,9 @@ public function createEmployeeLeaveSetup($xero_tenant_id$employee_id$employee_le
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveSetupObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeLeaveSetupWithHttpInfo($xero_tenant_id$employee_id$employee_leave_setup)
+    public function createEmployeeLeaveSetupWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave_setup)
     {
-        $request = $this->createEmployeeLeaveSetupRequest($xero_tenant_id$employee_id$employee_leave_setup);
+        $request = $this->createEmployeeLeaveSetupRequest($xero_tenant_id, $employee_id, $employee_leave_setup);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1833,9 +1833,9 @@ public function createEmployeeLeaveSetupWithHttpInfo($xero_tenant_id$employee_id
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeLeaveSetupAsync($xero_tenant_id$employee_id$employee_leave_setup)
+    public function createEmployeeLeaveSetupAsync($xero_tenant_id, $employee_id, $employee_leave_setup)
     {
-        return $this->createEmployeeLeaveSetupAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_leave_setup)
+        return $this->createEmployeeLeaveSetupAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave_setup)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1850,10 +1850,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveSetup $employee_leave_setup (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeLeaveSetupAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_leave_setup)
+    public function createEmployeeLeaveSetupAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave_setup)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveSetupObject';
-        $request = $this->createEmployeeLeaveSetupRequest($xero_tenant_id$employee_id$employee_leave_setup);
+        $request = $this->createEmployeeLeaveSetupRequest($xero_tenant_id, $employee_id, $employee_leave_setup);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1894,7 +1894,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveSetup $employee_leave_setup (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeLeaveSetupRequest($xero_tenant_id$employee_id$employee_leave_setup)
+    protected function createEmployeeLeaveSetupRequest($xero_tenant_id, $employee_id, $employee_leave_setup)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2005,9 +2005,9 @@ protected function createEmployeeLeaveSetupRequest($xero_tenant_id$employee_id$e
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveTypeObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createEmployeeLeaveType($xero_tenant_id$employee_id$employee_leave_type)
+    public function createEmployeeLeaveType($xero_tenant_id, $employee_id, $employee_leave_type)
     {
-        list($response) = $this->createEmployeeLeaveTypeWithHttpInfo($xero_tenant_id$employee_id$employee_leave_type);
+        list($response) = $this->createEmployeeLeaveTypeWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave_type);
         return $response;
     }
     /**
@@ -2020,9 +2020,9 @@ public function createEmployeeLeaveType($xero_tenant_id$employee_id$employee_lea
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveTypeObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeLeaveTypeWithHttpInfo($xero_tenant_id$employee_id$employee_leave_type)
+    public function createEmployeeLeaveTypeWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave_type)
     {
-        $request = $this->createEmployeeLeaveTypeRequest($xero_tenant_id$employee_id$employee_leave_type);
+        $request = $this->createEmployeeLeaveTypeRequest($xero_tenant_id, $employee_id, $employee_leave_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2116,9 +2116,9 @@ public function createEmployeeLeaveTypeWithHttpInfo($xero_tenant_id$employee_id$
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeLeaveTypeAsync($xero_tenant_id$employee_id$employee_leave_type)
+    public function createEmployeeLeaveTypeAsync($xero_tenant_id, $employee_id, $employee_leave_type)
     {
-        return $this->createEmployeeLeaveTypeAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_leave_type)
+        return $this->createEmployeeLeaveTypeAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2133,10 +2133,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveType $employee_leave_type (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeLeaveTypeAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_leave_type)
+    public function createEmployeeLeaveTypeAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave_type)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveTypeObject';
-        $request = $this->createEmployeeLeaveTypeRequest($xero_tenant_id$employee_id$employee_leave_type);
+        $request = $this->createEmployeeLeaveTypeRequest($xero_tenant_id, $employee_id, $employee_leave_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2177,7 +2177,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveType $employee_leave_type (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeLeaveTypeRequest($xero_tenant_id$employee_id$employee_leave_type)
+    protected function createEmployeeLeaveTypeRequest($xero_tenant_id, $employee_id, $employee_leave_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2288,9 +2288,9 @@ protected function createEmployeeLeaveTypeRequest($xero_tenant_id$employee_id$em
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeOpeningBalancesObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createEmployeeOpeningBalances($xero_tenant_id$employee_id$employee_opening_balance)
+    public function createEmployeeOpeningBalances($xero_tenant_id, $employee_id, $employee_opening_balance)
     {
-        list($response) = $this->createEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id$employee_id$employee_opening_balance);
+        list($response) = $this->createEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id, $employee_id, $employee_opening_balance);
         return $response;
     }
     /**
@@ -2303,9 +2303,9 @@ public function createEmployeeOpeningBalances($xero_tenant_id$employee_id$employ
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeOpeningBalancesObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id$employee_id$employee_opening_balance)
+    public function createEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id, $employee_id, $employee_opening_balance)
     {
-        $request = $this->createEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id$employee_opening_balance);
+        $request = $this->createEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id, $employee_opening_balance);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2399,9 +2399,9 @@ public function createEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id$employ
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeOpeningBalancesAsync($xero_tenant_id$employee_id$employee_opening_balance)
+    public function createEmployeeOpeningBalancesAsync($xero_tenant_id, $employee_id, $employee_opening_balance)
     {
-        return $this->createEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_opening_balance)
+        return $this->createEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_opening_balance)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2416,10 +2416,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeOpeningBalance[] $employee_opening_balance (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_opening_balance)
+    public function createEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_opening_balance)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeOpeningBalancesObject';
-        $request = $this->createEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id$employee_opening_balance);
+        $request = $this->createEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id, $employee_opening_balance);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2460,7 +2460,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeOpeningBalance[] $employee_opening_balance (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id$employee_opening_balance)
+    protected function createEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id, $employee_opening_balance)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2571,9 +2571,9 @@ protected function createEmployeeOpeningBalancesRequest($xero_tenant_id$employee
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\PaymentMethodObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createEmployeePaymentMethod($xero_tenant_id$employee_id$payment_method)
+    public function createEmployeePaymentMethod($xero_tenant_id, $employee_id, $payment_method)
     {
-        list($response) = $this->createEmployeePaymentMethodWithHttpInfo($xero_tenant_id$employee_id$payment_method);
+        list($response) = $this->createEmployeePaymentMethodWithHttpInfo($xero_tenant_id, $employee_id, $payment_method);
         return $response;
     }
     /**
@@ -2586,9 +2586,9 @@ public function createEmployeePaymentMethod($xero_tenant_id$employee_id$payment_
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\PaymentMethodObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeePaymentMethodWithHttpInfo($xero_tenant_id$employee_id$payment_method)
+    public function createEmployeePaymentMethodWithHttpInfo($xero_tenant_id, $employee_id, $payment_method)
     {
-        $request = $this->createEmployeePaymentMethodRequest($xero_tenant_id$employee_id$payment_method);
+        $request = $this->createEmployeePaymentMethodRequest($xero_tenant_id, $employee_id, $payment_method);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2682,9 +2682,9 @@ public function createEmployeePaymentMethodWithHttpInfo($xero_tenant_id$employee
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeePaymentMethodAsync($xero_tenant_id$employee_id$payment_method)
+    public function createEmployeePaymentMethodAsync($xero_tenant_id, $employee_id, $payment_method)
     {
-        return $this->createEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id$employee_id$payment_method)
+        return $this->createEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id, $employee_id, $payment_method)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2699,10 +2699,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\PaymentMethod $payment_method (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id$employee_id$payment_method)
+    public function createEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id, $employee_id, $payment_method)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\PaymentMethodObject';
-        $request = $this->createEmployeePaymentMethodRequest($xero_tenant_id$employee_id$payment_method);
+        $request = $this->createEmployeePaymentMethodRequest($xero_tenant_id, $employee_id, $payment_method);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2743,7 +2743,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\PaymentMethod $payment_method (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeePaymentMethodRequest($xero_tenant_id$employee_id$payment_method)
+    protected function createEmployeePaymentMethodRequest($xero_tenant_id, $employee_id, $payment_method)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2854,9 +2854,9 @@ protected function createEmployeePaymentMethodRequest($xero_tenant_id$employee_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWageObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createEmployeeSalaryAndWage($xero_tenant_id$employee_id$salary_and_wage)
+    public function createEmployeeSalaryAndWage($xero_tenant_id, $employee_id, $salary_and_wage)
     {
-        list($response) = $this->createEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wage);
+        list($response) = $this->createEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wage);
         return $response;
     }
     /**
@@ -2869,9 +2869,9 @@ public function createEmployeeSalaryAndWage($xero_tenant_id$employee_id$salary_a
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWageObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wage)
+    public function createEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wage)
     {
-        $request = $this->createEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wage);
+        $request = $this->createEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wage);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2965,9 +2965,9 @@ public function createEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeSalaryAndWageAsync($xero_tenant_id$employee_id$salary_and_wage)
+    public function createEmployeeSalaryAndWageAsync($xero_tenant_id, $employee_id, $salary_and_wage)
     {
-        return $this->createEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wage)
+        return $this->createEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wage)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2982,10 +2982,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWage $salary_and_wage (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wage)
+    public function createEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wage)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWageObject';
-        $request = $this->createEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wage);
+        $request = $this->createEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wage);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3026,7 +3026,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWage $salary_and_wage (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wage)
+    protected function createEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wage)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3137,9 +3137,9 @@ protected function createEmployeeSalaryAndWageRequest($xero_tenant_id$employee_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmploymentObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createEmployment($xero_tenant_id$employee_id$employment)
+    public function createEmployment($xero_tenant_id, $employee_id, $employment)
     {
-        list($response) = $this->createEmploymentWithHttpInfo($xero_tenant_id$employee_id$employment);
+        list($response) = $this->createEmploymentWithHttpInfo($xero_tenant_id, $employee_id, $employment);
         return $response;
     }
     /**
@@ -3152,9 +3152,9 @@ public function createEmployment($xero_tenant_id$employee_id$employment)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmploymentObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmploymentWithHttpInfo($xero_tenant_id$employee_id$employment)
+    public function createEmploymentWithHttpInfo($xero_tenant_id, $employee_id, $employment)
     {
-        $request = $this->createEmploymentRequest($xero_tenant_id$employee_id$employment);
+        $request = $this->createEmploymentRequest($xero_tenant_id, $employee_id, $employment);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3248,9 +3248,9 @@ public function createEmploymentWithHttpInfo($xero_tenant_id$employee_id$employm
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmploymentAsync($xero_tenant_id$employee_id$employment)
+    public function createEmploymentAsync($xero_tenant_id, $employee_id, $employment)
     {
-        return $this->createEmploymentAsyncWithHttpInfo($xero_tenant_id$employee_id$employment)
+        return $this->createEmploymentAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employment)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3265,10 +3265,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Employment $employment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmploymentAsyncWithHttpInfo($xero_tenant_id$employee_id$employment)
+    public function createEmploymentAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employment)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmploymentObject';
-        $request = $this->createEmploymentRequest($xero_tenant_id$employee_id$employment);
+        $request = $this->createEmploymentRequest($xero_tenant_id, $employee_id, $employment);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3309,7 +3309,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Employment $employment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmploymentRequest($xero_tenant_id$employee_id$employment)
+    protected function createEmploymentRequest($xero_tenant_id, $employee_id, $employment)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3419,9 +3419,9 @@ protected function createEmploymentRequest($xero_tenant_id$employee_id$employmen
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\LeaveTypeObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createLeaveType($xero_tenant_id$leave_type)
+    public function createLeaveType($xero_tenant_id, $leave_type)
     {
-        list($response) = $this->createLeaveTypeWithHttpInfo($xero_tenant_id$leave_type);
+        list($response) = $this->createLeaveTypeWithHttpInfo($xero_tenant_id, $leave_type);
         return $response;
     }
     /**
@@ -3433,9 +3433,9 @@ public function createLeaveType($xero_tenant_id$leave_type)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\LeaveTypeObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createLeaveTypeWithHttpInfo($xero_tenant_id$leave_type)
+    public function createLeaveTypeWithHttpInfo($xero_tenant_id, $leave_type)
     {
-        $request = $this->createLeaveTypeRequest($xero_tenant_id$leave_type);
+        $request = $this->createLeaveTypeRequest($xero_tenant_id, $leave_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3528,9 +3528,9 @@ public function createLeaveTypeWithHttpInfo($xero_tenant_id$leave_type)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createLeaveTypeAsync($xero_tenant_id$leave_type)
+    public function createLeaveTypeAsync($xero_tenant_id, $leave_type)
     {
-        return $this->createLeaveTypeAsyncWithHttpInfo($xero_tenant_id$leave_type)
+        return $this->createLeaveTypeAsyncWithHttpInfo($xero_tenant_id, $leave_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3544,10 +3544,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\LeaveType $leave_type (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createLeaveTypeAsyncWithHttpInfo($xero_tenant_id$leave_type)
+    public function createLeaveTypeAsyncWithHttpInfo($xero_tenant_id, $leave_type)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\LeaveTypeObject';
-        $request = $this->createLeaveTypeRequest($xero_tenant_id$leave_type);
+        $request = $this->createLeaveTypeRequest($xero_tenant_id, $leave_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3587,7 +3587,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\LeaveType $leave_type (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createLeaveTypeRequest($xero_tenant_id$leave_type)
+    protected function createLeaveTypeRequest($xero_tenant_id, $leave_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3684,9 +3684,9 @@ protected function createLeaveTypeRequest($xero_tenant_id$leave_type)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeEarningsTemplates|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createMultipleEmployeeEarningsTemplate($xero_tenant_id$employee_id$earnings_template)
+    public function createMultipleEmployeeEarningsTemplate($xero_tenant_id, $employee_id, $earnings_template)
     {
-        list($response) = $this->createMultipleEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$earnings_template);
+        list($response) = $this->createMultipleEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template);
         return $response;
     }
     /**
@@ -3699,9 +3699,9 @@ public function createMultipleEmployeeEarningsTemplate($xero_tenant_id$employee_
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeEarningsTemplates|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createMultipleEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$earnings_template)
+    public function createMultipleEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template)
     {
-        $request = $this->createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$earnings_template);
+        $request = $this->createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $earnings_template);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3795,9 +3795,9 @@ public function createMultipleEmployeeEarningsTemplateWithHttpInfo($xero_tenant_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createMultipleEmployeeEarningsTemplateAsync($xero_tenant_id$employee_id$earnings_template)
+    public function createMultipleEmployeeEarningsTemplateAsync($xero_tenant_id, $employee_id, $earnings_template)
     {
-        return $this->createMultipleEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$earnings_template)
+        return $this->createMultipleEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3812,10 +3812,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplate[] $earnings_template (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createMultipleEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$earnings_template)
+    public function createMultipleEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeEarningsTemplates';
-        $request = $this->createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$earnings_template);
+        $request = $this->createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $earnings_template);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3856,7 +3856,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplate[] $earnings_template (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$earnings_template)
+    protected function createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $earnings_template)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3966,9 +3966,9 @@ protected function createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\PayRunObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createPayRun($xero_tenant_id$pay_run)
+    public function createPayRun($xero_tenant_id, $pay_run)
     {
-        list($response) = $this->createPayRunWithHttpInfo($xero_tenant_id$pay_run);
+        list($response) = $this->createPayRunWithHttpInfo($xero_tenant_id, $pay_run);
         return $response;
     }
     /**
@@ -3980,9 +3980,9 @@ public function createPayRun($xero_tenant_id$pay_run)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\PayRunObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPayRunWithHttpInfo($xero_tenant_id$pay_run)
+    public function createPayRunWithHttpInfo($xero_tenant_id, $pay_run)
     {
-        $request = $this->createPayRunRequest($xero_tenant_id$pay_run);
+        $request = $this->createPayRunRequest($xero_tenant_id, $pay_run);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4075,9 +4075,9 @@ public function createPayRunWithHttpInfo($xero_tenant_id$pay_run)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPayRunAsync($xero_tenant_id$pay_run)
+    public function createPayRunAsync($xero_tenant_id, $pay_run)
     {
-        return $this->createPayRunAsyncWithHttpInfo($xero_tenant_id$pay_run)
+        return $this->createPayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4091,10 +4091,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\PayRun $pay_run (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPayRunAsyncWithHttpInfo($xero_tenant_id$pay_run)
+    public function createPayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\PayRunObject';
-        $request = $this->createPayRunRequest($xero_tenant_id$pay_run);
+        $request = $this->createPayRunRequest($xero_tenant_id, $pay_run);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4134,7 +4134,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\PayRun $pay_run (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPayRunRequest($xero_tenant_id$pay_run)
+    protected function createPayRunRequest($xero_tenant_id, $pay_run)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4230,9 +4230,9 @@ protected function createPayRunRequest($xero_tenant_id$pay_run)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendarObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createPayRunCalendar($xero_tenant_id$pay_run_calendar)
+    public function createPayRunCalendar($xero_tenant_id, $pay_run_calendar)
     {
-        list($response) = $this->createPayRunCalendarWithHttpInfo($xero_tenant_id$pay_run_calendar);
+        list($response) = $this->createPayRunCalendarWithHttpInfo($xero_tenant_id, $pay_run_calendar);
         return $response;
     }
     /**
@@ -4244,9 +4244,9 @@ public function createPayRunCalendar($xero_tenant_id$pay_run_calendar)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendarObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPayRunCalendarWithHttpInfo($xero_tenant_id$pay_run_calendar)
+    public function createPayRunCalendarWithHttpInfo($xero_tenant_id, $pay_run_calendar)
     {
-        $request = $this->createPayRunCalendarRequest($xero_tenant_id$pay_run_calendar);
+        $request = $this->createPayRunCalendarRequest($xero_tenant_id, $pay_run_calendar);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4339,9 +4339,9 @@ public function createPayRunCalendarWithHttpInfo($xero_tenant_id$pay_run_calenda
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPayRunCalendarAsync($xero_tenant_id$pay_run_calendar)
+    public function createPayRunCalendarAsync($xero_tenant_id, $pay_run_calendar)
     {
-        return $this->createPayRunCalendarAsyncWithHttpInfo($xero_tenant_id$pay_run_calendar)
+        return $this->createPayRunCalendarAsyncWithHttpInfo($xero_tenant_id, $pay_run_calendar)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4355,10 +4355,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendar $pay_run_calendar (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPayRunCalendarAsyncWithHttpInfo($xero_tenant_id$pay_run_calendar)
+    public function createPayRunCalendarAsyncWithHttpInfo($xero_tenant_id, $pay_run_calendar)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendarObject';
-        $request = $this->createPayRunCalendarRequest($xero_tenant_id$pay_run_calendar);
+        $request = $this->createPayRunCalendarRequest($xero_tenant_id, $pay_run_calendar);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4398,7 +4398,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendar $pay_run_calendar (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPayRunCalendarRequest($xero_tenant_id$pay_run_calendar)
+    protected function createPayRunCalendarRequest($xero_tenant_id, $pay_run_calendar)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4494,9 +4494,9 @@ protected function createPayRunCalendarRequest($xero_tenant_id$pay_run_calendar)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\ReimbursementObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createReimbursement($xero_tenant_id$reimbursement)
+    public function createReimbursement($xero_tenant_id, $reimbursement)
     {
-        list($response) = $this->createReimbursementWithHttpInfo($xero_tenant_id$reimbursement);
+        list($response) = $this->createReimbursementWithHttpInfo($xero_tenant_id, $reimbursement);
         return $response;
     }
     /**
@@ -4508,9 +4508,9 @@ public function createReimbursement($xero_tenant_id$reimbursement)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\ReimbursementObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createReimbursementWithHttpInfo($xero_tenant_id$reimbursement)
+    public function createReimbursementWithHttpInfo($xero_tenant_id, $reimbursement)
     {
-        $request = $this->createReimbursementRequest($xero_tenant_id$reimbursement);
+        $request = $this->createReimbursementRequest($xero_tenant_id, $reimbursement);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4603,9 +4603,9 @@ public function createReimbursementWithHttpInfo($xero_tenant_id$reimbursement)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createReimbursementAsync($xero_tenant_id$reimbursement)
+    public function createReimbursementAsync($xero_tenant_id, $reimbursement)
     {
-        return $this->createReimbursementAsyncWithHttpInfo($xero_tenant_id$reimbursement)
+        return $this->createReimbursementAsyncWithHttpInfo($xero_tenant_id, $reimbursement)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4619,10 +4619,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Reimbursement $reimbursement (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createReimbursementAsyncWithHttpInfo($xero_tenant_id$reimbursement)
+    public function createReimbursementAsyncWithHttpInfo($xero_tenant_id, $reimbursement)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\ReimbursementObject';
-        $request = $this->createReimbursementRequest($xero_tenant_id$reimbursement);
+        $request = $this->createReimbursementRequest($xero_tenant_id, $reimbursement);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4662,7 +4662,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Reimbursement $reimbursement (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createReimbursementRequest($xero_tenant_id$reimbursement)
+    protected function createReimbursementRequest($xero_tenant_id, $reimbursement)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4758,9 +4758,9 @@ protected function createReimbursementRequest($xero_tenant_id$reimbursement)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\SuperannuationObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createSuperannuation($xero_tenant_id$benefit)
+    public function createSuperannuation($xero_tenant_id, $benefit)
     {
-        list($response) = $this->createSuperannuationWithHttpInfo($xero_tenant_id$benefit);
+        list($response) = $this->createSuperannuationWithHttpInfo($xero_tenant_id, $benefit);
         return $response;
     }
     /**
@@ -4772,9 +4772,9 @@ public function createSuperannuation($xero_tenant_id$benefit)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\SuperannuationObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createSuperannuationWithHttpInfo($xero_tenant_id$benefit)
+    public function createSuperannuationWithHttpInfo($xero_tenant_id, $benefit)
     {
-        $request = $this->createSuperannuationRequest($xero_tenant_id$benefit);
+        $request = $this->createSuperannuationRequest($xero_tenant_id, $benefit);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4867,9 +4867,9 @@ public function createSuperannuationWithHttpInfo($xero_tenant_id$benefit)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createSuperannuationAsync($xero_tenant_id$benefit)
+    public function createSuperannuationAsync($xero_tenant_id, $benefit)
     {
-        return $this->createSuperannuationAsyncWithHttpInfo($xero_tenant_id$benefit)
+        return $this->createSuperannuationAsyncWithHttpInfo($xero_tenant_id, $benefit)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4883,10 +4883,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Benefit $benefit (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createSuperannuationAsyncWithHttpInfo($xero_tenant_id$benefit)
+    public function createSuperannuationAsyncWithHttpInfo($xero_tenant_id, $benefit)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\SuperannuationObject';
-        $request = $this->createSuperannuationRequest($xero_tenant_id$benefit);
+        $request = $this->createSuperannuationRequest($xero_tenant_id, $benefit);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4926,7 +4926,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Benefit $benefit (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createSuperannuationRequest($xero_tenant_id$benefit)
+    protected function createSuperannuationRequest($xero_tenant_id, $benefit)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5022,9 +5022,9 @@ protected function createSuperannuationRequest($xero_tenant_id$benefit)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createTimesheet($xero_tenant_id$timesheet)
+    public function createTimesheet($xero_tenant_id, $timesheet)
     {
-        list($response) = $this->createTimesheetWithHttpInfo($xero_tenant_id$timesheet);
+        list($response) = $this->createTimesheetWithHttpInfo($xero_tenant_id, $timesheet);
         return $response;
     }
     /**
@@ -5036,9 +5036,9 @@ public function createTimesheet($xero_tenant_id$timesheet)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createTimesheetWithHttpInfo($xero_tenant_id$timesheet)
+    public function createTimesheetWithHttpInfo($xero_tenant_id, $timesheet)
     {
-        $request = $this->createTimesheetRequest($xero_tenant_id$timesheet);
+        $request = $this->createTimesheetRequest($xero_tenant_id, $timesheet);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5131,9 +5131,9 @@ public function createTimesheetWithHttpInfo($xero_tenant_id$timesheet)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createTimesheetAsync($xero_tenant_id$timesheet)
+    public function createTimesheetAsync($xero_tenant_id, $timesheet)
     {
-        return $this->createTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet)
+        return $this->createTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5147,10 +5147,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Timesheet $timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet)
+    public function createTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetObject';
-        $request = $this->createTimesheetRequest($xero_tenant_id$timesheet);
+        $request = $this->createTimesheetRequest($xero_tenant_id, $timesheet);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5190,7 +5190,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Timesheet $timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createTimesheetRequest($xero_tenant_id$timesheet)
+    protected function createTimesheetRequest($xero_tenant_id, $timesheet)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5287,9 +5287,9 @@ protected function createTimesheetRequest($xero_tenant_id$timesheet)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLineObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function createTimesheetLine($xero_tenant_id$timesheet_id$timesheet_line)
+    public function createTimesheetLine($xero_tenant_id, $timesheet_id, $timesheet_line)
     {
-        list($response) = $this->createTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line);
+        list($response) = $this->createTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line);
         return $response;
     }
     /**
@@ -5302,9 +5302,9 @@ public function createTimesheetLine($xero_tenant_id$timesheet_id$timesheet_line)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLineObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line)
+    public function createTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line)
     {
-        $request = $this->createTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line);
+        $request = $this->createTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5398,9 +5398,9 @@ public function createTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$tim
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createTimesheetLineAsync($xero_tenant_id$timesheet_id$timesheet_line)
+    public function createTimesheetLineAsync($xero_tenant_id, $timesheet_id, $timesheet_line)
     {
-        return $this->createTimesheetLineAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line)
+        return $this->createTimesheetLineAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5415,10 +5415,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine $timesheet_line (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createTimesheetLineAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line)
+    public function createTimesheetLineAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLineObject';
-        $request = $this->createTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line);
+        $request = $this->createTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5459,7 +5459,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine $timesheet_line (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line)
+    protected function createTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5570,9 +5570,9 @@ protected function createTimesheetLineRequest($xero_tenant_id$timesheet_id$times
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplateObject
      */
-    public function deleteEmployeeEarningsTemplate($xero_tenant_id$employee_id$pay_template_earning_id)
+    public function deleteEmployeeEarningsTemplate($xero_tenant_id, $employee_id, $pay_template_earning_id)
     {
-        list($response) = $this->deleteEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id);
+        list($response) = $this->deleteEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id);
         return $response;
     }
     /**
@@ -5585,9 +5585,9 @@ public function deleteEmployeeEarningsTemplate($xero_tenant_id$employee_id$pay_t
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplateObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id)
+    public function deleteEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id)
     {
-        $request = $this->deleteEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$pay_template_earning_id);
+        $request = $this->deleteEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $pay_template_earning_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5662,9 +5662,9 @@ public function deleteEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$emplo
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteEmployeeEarningsTemplateAsync($xero_tenant_id$employee_id$pay_template_earning_id)
+    public function deleteEmployeeEarningsTemplateAsync($xero_tenant_id, $employee_id, $pay_template_earning_id)
     {
-        return $this->deleteEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id)
+        return $this->deleteEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5679,10 +5679,10 @@ function ($response) {
      * @param  string $pay_template_earning_id Id for single pay template earnings object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id)
+    public function deleteEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplateObject';
-        $request = $this->deleteEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$pay_template_earning_id);
+        $request = $this->deleteEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $pay_template_earning_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5723,7 +5723,7 @@ function ($exception) {
      * @param  string $pay_template_earning_id Id for single pay template earnings object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$pay_template_earning_id)
+    protected function deleteEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $pay_template_earning_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5839,9 +5839,9 @@ protected function deleteEmployeeEarningsTemplateRequest($xero_tenant_id$employe
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveObject
      */
-    public function deleteEmployeeLeave($xero_tenant_id$employee_id$leave_id)
+    public function deleteEmployeeLeave($xero_tenant_id, $employee_id, $leave_id)
     {
-        list($response) = $this->deleteEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$leave_id);
+        list($response) = $this->deleteEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $leave_id);
         return $response;
     }
     /**
@@ -5854,9 +5854,9 @@ public function deleteEmployeeLeave($xero_tenant_id$employee_id$leave_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$leave_id)
+    public function deleteEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $leave_id)
     {
-        $request = $this->deleteEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id);
+        $request = $this->deleteEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5931,9 +5931,9 @@ public function deleteEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$leav
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteEmployeeLeaveAsync($xero_tenant_id$employee_id$leave_id)
+    public function deleteEmployeeLeaveAsync($xero_tenant_id, $employee_id, $leave_id)
     {
-        return $this->deleteEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$leave_id)
+        return $this->deleteEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $leave_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5948,10 +5948,10 @@ function ($response) {
      * @param  string $leave_id Leave id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$leave_id)
+    public function deleteEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $leave_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveObject';
-        $request = $this->deleteEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id);
+        $request = $this->deleteEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5992,7 +5992,7 @@ function ($exception) {
      * @param  string $leave_id Leave id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id)
+    protected function deleteEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6108,9 +6108,9 @@ protected function deleteEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWageObject
      */
-    public function deleteEmployeeSalaryAndWage($xero_tenant_id$employee_id$salary_and_wages_id)
+    public function deleteEmployeeSalaryAndWage($xero_tenant_id, $employee_id, $salary_and_wages_id)
     {
-        list($response) = $this->deleteEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id);
+        list($response) = $this->deleteEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id);
         return $response;
     }
     /**
@@ -6123,9 +6123,9 @@ public function deleteEmployeeSalaryAndWage($xero_tenant_id$employee_id$salary_a
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWageObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id)
+    public function deleteEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id)
     {
-        $request = $this->deleteEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id);
+        $request = $this->deleteEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6200,9 +6200,9 @@ public function deleteEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteEmployeeSalaryAndWageAsync($xero_tenant_id$employee_id$salary_and_wages_id)
+    public function deleteEmployeeSalaryAndWageAsync($xero_tenant_id, $employee_id, $salary_and_wages_id)
     {
-        return $this->deleteEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id)
+        return $this->deleteEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6217,10 +6217,10 @@ function ($response) {
      * @param  string $salary_and_wages_id Id for single salary and wages object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id)
+    public function deleteEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWageObject';
-        $request = $this->deleteEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id);
+        $request = $this->deleteEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -6261,7 +6261,7 @@ function ($exception) {
      * @param  string $salary_and_wages_id Id for single salary and wages object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id)
+    protected function deleteEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6376,9 +6376,9 @@ protected function deleteEmployeeSalaryAndWageRequest($xero_tenant_id$employee_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function deleteTimesheet($xero_tenant_id$timesheet_id)
+    public function deleteTimesheet($xero_tenant_id, $timesheet_id)
     {
-        list($response) = $this->deleteTimesheetWithHttpInfo($xero_tenant_id$timesheet_id);
+        list($response) = $this->deleteTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id);
         return $response;
     }
     /**
@@ -6390,9 +6390,9 @@ public function deleteTimesheet($xero_tenant_id$timesheet_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteTimesheetWithHttpInfo($xero_tenant_id$timesheet_id)
+    public function deleteTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id)
     {
-        $request = $this->deleteTimesheetRequest($xero_tenant_id$timesheet_id);
+        $request = $this->deleteTimesheetRequest($xero_tenant_id, $timesheet_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6485,9 +6485,9 @@ public function deleteTimesheetWithHttpInfo($xero_tenant_id$timesheet_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteTimesheetAsync($xero_tenant_id$timesheet_id)
+    public function deleteTimesheetAsync($xero_tenant_id, $timesheet_id)
     {
-        return $this->deleteTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
+        return $this->deleteTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6501,10 +6501,10 @@ function ($response) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
+    public function deleteTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine';
-        $request = $this->deleteTimesheetRequest($xero_tenant_id$timesheet_id);
+        $request = $this->deleteTimesheetRequest($xero_tenant_id, $timesheet_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -6544,7 +6544,7 @@ function ($exception) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteTimesheetRequest($xero_tenant_id$timesheet_id)
+    protected function deleteTimesheetRequest($xero_tenant_id, $timesheet_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6646,9 +6646,9 @@ protected function deleteTimesheetRequest($xero_tenant_id$timesheet_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function deleteTimesheetLine($xero_tenant_id$timesheet_id$timesheet_line_id)
+    public function deleteTimesheetLine($xero_tenant_id, $timesheet_id, $timesheet_line_id)
     {
-        list($response) = $this->deleteTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id);
+        list($response) = $this->deleteTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id);
         return $response;
     }
     /**
@@ -6661,9 +6661,9 @@ public function deleteTimesheetLine($xero_tenant_id$timesheet_id$timesheet_line_
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id)
+    public function deleteTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id)
     {
-        $request = $this->deleteTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line_id);
+        $request = $this->deleteTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6757,9 +6757,9 @@ public function deleteTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$tim
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteTimesheetLineAsync($xero_tenant_id$timesheet_id$timesheet_line_id)
+    public function deleteTimesheetLineAsync($xero_tenant_id, $timesheet_id, $timesheet_line_id)
     {
-        return $this->deleteTimesheetLineAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id)
+        return $this->deleteTimesheetLineAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6774,10 +6774,10 @@ function ($response) {
      * @param  string $timesheet_line_id Identifier for the timesheet line (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteTimesheetLineAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id)
+    public function deleteTimesheetLineAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine';
-        $request = $this->deleteTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line_id);
+        $request = $this->deleteTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -6818,7 +6818,7 @@ function ($exception) {
      * @param  string $timesheet_line_id Identifier for the timesheet line (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line_id)
+    protected function deleteTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6933,9 +6933,9 @@ protected function deleteTimesheetLineRequest($xero_tenant_id$timesheet_id$times
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\DeductionObject
      */
-    public function getDeduction($xero_tenant_id$deduction_id)
+    public function getDeduction($xero_tenant_id, $deduction_id)
     {
-        list($response) = $this->getDeductionWithHttpInfo($xero_tenant_id$deduction_id);
+        list($response) = $this->getDeductionWithHttpInfo($xero_tenant_id, $deduction_id);
         return $response;
     }
     /**
@@ -6947,9 +6947,9 @@ public function getDeduction($xero_tenant_id$deduction_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\DeductionObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getDeductionWithHttpInfo($xero_tenant_id$deduction_id)
+    public function getDeductionWithHttpInfo($xero_tenant_id, $deduction_id)
     {
-        $request = $this->getDeductionRequest($xero_tenant_id$deduction_id);
+        $request = $this->getDeductionRequest($xero_tenant_id, $deduction_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -7023,9 +7023,9 @@ public function getDeductionWithHttpInfo($xero_tenant_id$deduction_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getDeductionAsync($xero_tenant_id$deduction_id)
+    public function getDeductionAsync($xero_tenant_id, $deduction_id)
     {
-        return $this->getDeductionAsyncWithHttpInfo($xero_tenant_id$deduction_id)
+        return $this->getDeductionAsyncWithHttpInfo($xero_tenant_id, $deduction_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -7039,10 +7039,10 @@ function ($response) {
      * @param  string $deduction_id Identifier for the deduction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getDeductionAsyncWithHttpInfo($xero_tenant_id$deduction_id)
+    public function getDeductionAsyncWithHttpInfo($xero_tenant_id, $deduction_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\DeductionObject';
-        $request = $this->getDeductionRequest($xero_tenant_id$deduction_id);
+        $request = $this->getDeductionRequest($xero_tenant_id, $deduction_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7082,7 +7082,7 @@ function ($exception) {
      * @param  string $deduction_id Identifier for the deduction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getDeductionRequest($xero_tenant_id$deduction_id)
+    protected function getDeductionRequest($xero_tenant_id, $deduction_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7183,9 +7183,9 @@ protected function getDeductionRequest($xero_tenant_id$deduction_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\Deductions
      */
-    public function getDeductions($xero_tenant_id$page = null)
+    public function getDeductions($xero_tenant_id, $page = null)
     {
-        list($response) = $this->getDeductionsWithHttpInfo($xero_tenant_id$page);
+        list($response) = $this->getDeductionsWithHttpInfo($xero_tenant_id, $page);
         return $response;
     }
     /**
@@ -7197,9 +7197,9 @@ public function getDeductions($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\Deductions, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getDeductionsWithHttpInfo($xero_tenant_id$page = null)
+    public function getDeductionsWithHttpInfo($xero_tenant_id, $page = null)
     {
-        $request = $this->getDeductionsRequest($xero_tenant_id$page);
+        $request = $this->getDeductionsRequest($xero_tenant_id, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -7273,9 +7273,9 @@ public function getDeductionsWithHttpInfo($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getDeductionsAsync($xero_tenant_id$page = null)
+    public function getDeductionsAsync($xero_tenant_id, $page = null)
     {
-        return $this->getDeductionsAsyncWithHttpInfo($xero_tenant_id$page)
+        return $this->getDeductionsAsyncWithHttpInfo($xero_tenant_id, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -7289,10 +7289,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getDeductionsAsyncWithHttpInfo($xero_tenant_id$page = null)
+    public function getDeductionsAsyncWithHttpInfo($xero_tenant_id, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\Deductions';
-        $request = $this->getDeductionsRequest($xero_tenant_id$page);
+        $request = $this->getDeductionsRequest($xero_tenant_id, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7332,7 +7332,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getDeductionsRequest($xero_tenant_id$page = null)
+    protected function getDeductionsRequest($xero_tenant_id, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7423,9 +7423,9 @@ protected function getDeductionsRequest($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EarningsRateObject
      */
-    public function getEarningsRate($xero_tenant_id$earnings_rate_id)
+    public function getEarningsRate($xero_tenant_id, $earnings_rate_id)
     {
-        list($response) = $this->getEarningsRateWithHttpInfo($xero_tenant_id$earnings_rate_id);
+        list($response) = $this->getEarningsRateWithHttpInfo($xero_tenant_id, $earnings_rate_id);
         return $response;
     }
     /**
@@ -7437,9 +7437,9 @@ public function getEarningsRate($xero_tenant_id$earnings_rate_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EarningsRateObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEarningsRateWithHttpInfo($xero_tenant_id$earnings_rate_id)
+    public function getEarningsRateWithHttpInfo($xero_tenant_id, $earnings_rate_id)
     {
-        $request = $this->getEarningsRateRequest($xero_tenant_id$earnings_rate_id);
+        $request = $this->getEarningsRateRequest($xero_tenant_id, $earnings_rate_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -7513,9 +7513,9 @@ public function getEarningsRateWithHttpInfo($xero_tenant_id$earnings_rate_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEarningsRateAsync($xero_tenant_id$earnings_rate_id)
+    public function getEarningsRateAsync($xero_tenant_id, $earnings_rate_id)
     {
-        return $this->getEarningsRateAsyncWithHttpInfo($xero_tenant_id$earnings_rate_id)
+        return $this->getEarningsRateAsyncWithHttpInfo($xero_tenant_id, $earnings_rate_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -7529,10 +7529,10 @@ function ($response) {
      * @param  string $earnings_rate_id Identifier for the earnings rate (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEarningsRateAsyncWithHttpInfo($xero_tenant_id$earnings_rate_id)
+    public function getEarningsRateAsyncWithHttpInfo($xero_tenant_id, $earnings_rate_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsRateObject';
-        $request = $this->getEarningsRateRequest($xero_tenant_id$earnings_rate_id);
+        $request = $this->getEarningsRateRequest($xero_tenant_id, $earnings_rate_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7572,7 +7572,7 @@ function ($exception) {
      * @param  string $earnings_rate_id Identifier for the earnings rate (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEarningsRateRequest($xero_tenant_id$earnings_rate_id)
+    protected function getEarningsRateRequest($xero_tenant_id, $earnings_rate_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7673,9 +7673,9 @@ protected function getEarningsRateRequest($xero_tenant_id$earnings_rate_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EarningsRates
      */
-    public function getEarningsRates($xero_tenant_id$page = null)
+    public function getEarningsRates($xero_tenant_id, $page = null)
     {
-        list($response) = $this->getEarningsRatesWithHttpInfo($xero_tenant_id$page);
+        list($response) = $this->getEarningsRatesWithHttpInfo($xero_tenant_id, $page);
         return $response;
     }
     /**
@@ -7687,9 +7687,9 @@ public function getEarningsRates($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EarningsRates, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEarningsRatesWithHttpInfo($xero_tenant_id$page = null)
+    public function getEarningsRatesWithHttpInfo($xero_tenant_id, $page = null)
     {
-        $request = $this->getEarningsRatesRequest($xero_tenant_id$page);
+        $request = $this->getEarningsRatesRequest($xero_tenant_id, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -7763,9 +7763,9 @@ public function getEarningsRatesWithHttpInfo($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEarningsRatesAsync($xero_tenant_id$page = null)
+    public function getEarningsRatesAsync($xero_tenant_id, $page = null)
     {
-        return $this->getEarningsRatesAsyncWithHttpInfo($xero_tenant_id$page)
+        return $this->getEarningsRatesAsyncWithHttpInfo($xero_tenant_id, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -7779,10 +7779,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEarningsRatesAsyncWithHttpInfo($xero_tenant_id$page = null)
+    public function getEarningsRatesAsyncWithHttpInfo($xero_tenant_id, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsRates';
-        $request = $this->getEarningsRatesRequest($xero_tenant_id$page);
+        $request = $this->getEarningsRatesRequest($xero_tenant_id, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7822,7 +7822,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEarningsRatesRequest($xero_tenant_id$page = null)
+    protected function getEarningsRatesRequest($xero_tenant_id, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7913,9 +7913,9 @@ protected function getEarningsRatesRequest($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeObject
      */
-    public function getEmployee($xero_tenant_id$employee_id)
+    public function getEmployee($xero_tenant_id, $employee_id)
     {
-        list($response) = $this->getEmployeeWithHttpInfo($xero_tenant_id$employee_id);
+        list($response) = $this->getEmployeeWithHttpInfo($xero_tenant_id, $employee_id);
         return $response;
     }
     /**
@@ -7927,9 +7927,9 @@ public function getEmployee($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeWithHttpInfo($xero_tenant_id, $employee_id)
     {
-        $request = $this->getEmployeeRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeRequest($xero_tenant_id, $employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -8003,9 +8003,9 @@ public function getEmployeeWithHttpInfo($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeAsync($xero_tenant_id$employee_id)
+    public function getEmployeeAsync($xero_tenant_id, $employee_id)
     {
-        return $this->getEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id)
+        return $this->getEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -8019,10 +8019,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeObject';
-        $request = $this->getEmployeeRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeRequest($xero_tenant_id, $employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -8062,7 +8062,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeRequest($xero_tenant_id$employee_id)
+    protected function getEmployeeRequest($xero_tenant_id, $employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -8163,9 +8163,9 @@ protected function getEmployeeRequest($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveBalances
      */
-    public function getEmployeeLeaveBalances($xero_tenant_id$employee_id)
+    public function getEmployeeLeaveBalances($xero_tenant_id, $employee_id)
     {
-        list($response) = $this->getEmployeeLeaveBalancesWithHttpInfo($xero_tenant_id$employee_id);
+        list($response) = $this->getEmployeeLeaveBalancesWithHttpInfo($xero_tenant_id, $employee_id);
         return $response;
     }
     /**
@@ -8177,9 +8177,9 @@ public function getEmployeeLeaveBalances($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveBalances, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeLeaveBalancesWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeLeaveBalancesWithHttpInfo($xero_tenant_id, $employee_id)
     {
-        $request = $this->getEmployeeLeaveBalancesRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeLeaveBalancesRequest($xero_tenant_id, $employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -8253,9 +8253,9 @@ public function getEmployeeLeaveBalancesWithHttpInfo($xero_tenant_id$employee_id
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeLeaveBalancesAsync($xero_tenant_id$employee_id)
+    public function getEmployeeLeaveBalancesAsync($xero_tenant_id, $employee_id)
     {
-        return $this->getEmployeeLeaveBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id)
+        return $this->getEmployeeLeaveBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -8269,10 +8269,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeLeaveBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeLeaveBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveBalances';
-        $request = $this->getEmployeeLeaveBalancesRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeLeaveBalancesRequest($xero_tenant_id, $employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -8312,7 +8312,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeLeaveBalancesRequest($xero_tenant_id$employee_id)
+    protected function getEmployeeLeaveBalancesRequest($xero_tenant_id, $employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -8415,9 +8415,9 @@ protected function getEmployeeLeaveBalancesRequest($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\LeavePeriods|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function getEmployeeLeavePeriods($xero_tenant_id$employee_id$start_date = null$end_date = null)
+    public function getEmployeeLeavePeriods($xero_tenant_id, $employee_id, $start_date = null, $end_date = null)
     {
-        list($response) = $this->getEmployeeLeavePeriodsWithHttpInfo($xero_tenant_id$employee_id$start_date$end_date);
+        list($response) = $this->getEmployeeLeavePeriodsWithHttpInfo($xero_tenant_id, $employee_id, $start_date, $end_date);
         return $response;
     }
     /**
@@ -8431,9 +8431,9 @@ public function getEmployeeLeavePeriods($xero_tenant_id$employee_id$start_date =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\LeavePeriods|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeLeavePeriodsWithHttpInfo($xero_tenant_id$employee_id$start_date = null$end_date = null)
+    public function getEmployeeLeavePeriodsWithHttpInfo($xero_tenant_id, $employee_id, $start_date = null, $end_date = null)
     {
-        $request = $this->getEmployeeLeavePeriodsRequest($xero_tenant_id$employee_id$start_date$end_date);
+        $request = $this->getEmployeeLeavePeriodsRequest($xero_tenant_id, $employee_id, $start_date, $end_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -8528,9 +8528,9 @@ public function getEmployeeLeavePeriodsWithHttpInfo($xero_tenant_id$employee_id$
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeLeavePeriodsAsync($xero_tenant_id$employee_id$start_date = null$end_date = null)
+    public function getEmployeeLeavePeriodsAsync($xero_tenant_id, $employee_id, $start_date = null, $end_date = null)
     {
-        return $this->getEmployeeLeavePeriodsAsyncWithHttpInfo($xero_tenant_id$employee_id$start_date$end_date)
+        return $this->getEmployeeLeavePeriodsAsyncWithHttpInfo($xero_tenant_id, $employee_id, $start_date, $end_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -8546,10 +8546,10 @@ function ($response) {
      * @param  \DateTime $end_date Filter by end date (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeLeavePeriodsAsyncWithHttpInfo($xero_tenant_id$employee_id$start_date = null$end_date = null)
+    public function getEmployeeLeavePeriodsAsyncWithHttpInfo($xero_tenant_id, $employee_id, $start_date = null, $end_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\LeavePeriods';
-        $request = $this->getEmployeeLeavePeriodsRequest($xero_tenant_id$employee_id$start_date$end_date);
+        $request = $this->getEmployeeLeavePeriodsRequest($xero_tenant_id, $employee_id, $start_date, $end_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -8591,7 +8591,7 @@ function ($exception) {
      * @param  \DateTime $end_date Filter by end date (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeLeavePeriodsRequest($xero_tenant_id$employee_id$start_date = null$end_date = null)
+    protected function getEmployeeLeavePeriodsRequest($xero_tenant_id, $employee_id, $start_date = null, $end_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -8700,9 +8700,9 @@ protected function getEmployeeLeavePeriodsRequest($xero_tenant_id$employee_id$st
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveTypes|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function getEmployeeLeaveTypes($xero_tenant_id$employee_id)
+    public function getEmployeeLeaveTypes($xero_tenant_id, $employee_id)
     {
-        list($response) = $this->getEmployeeLeaveTypesWithHttpInfo($xero_tenant_id$employee_id);
+        list($response) = $this->getEmployeeLeaveTypesWithHttpInfo($xero_tenant_id, $employee_id);
         return $response;
     }
     /**
@@ -8714,9 +8714,9 @@ public function getEmployeeLeaveTypes($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveTypes|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeLeaveTypesWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeLeaveTypesWithHttpInfo($xero_tenant_id, $employee_id)
     {
-        $request = $this->getEmployeeLeaveTypesRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeLeaveTypesRequest($xero_tenant_id, $employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -8809,9 +8809,9 @@ public function getEmployeeLeaveTypesWithHttpInfo($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeLeaveTypesAsync($xero_tenant_id$employee_id)
+    public function getEmployeeLeaveTypesAsync($xero_tenant_id, $employee_id)
     {
-        return $this->getEmployeeLeaveTypesAsyncWithHttpInfo($xero_tenant_id$employee_id)
+        return $this->getEmployeeLeaveTypesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -8825,10 +8825,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeLeaveTypesAsyncWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeLeaveTypesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveTypes';
-        $request = $this->getEmployeeLeaveTypesRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeLeaveTypesRequest($xero_tenant_id, $employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -8868,7 +8868,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeLeaveTypesRequest($xero_tenant_id$employee_id)
+    protected function getEmployeeLeaveTypesRequest($xero_tenant_id, $employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -8969,9 +8969,9 @@ protected function getEmployeeLeaveTypesRequest($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaves
      */
-    public function getEmployeeLeaves($xero_tenant_id$employee_id)
+    public function getEmployeeLeaves($xero_tenant_id, $employee_id)
     {
-        list($response) = $this->getEmployeeLeavesWithHttpInfo($xero_tenant_id$employee_id);
+        list($response) = $this->getEmployeeLeavesWithHttpInfo($xero_tenant_id, $employee_id);
         return $response;
     }
     /**
@@ -8983,9 +8983,9 @@ public function getEmployeeLeaves($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaves, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeLeavesWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeLeavesWithHttpInfo($xero_tenant_id, $employee_id)
     {
-        $request = $this->getEmployeeLeavesRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeLeavesRequest($xero_tenant_id, $employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -9059,9 +9059,9 @@ public function getEmployeeLeavesWithHttpInfo($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeLeavesAsync($xero_tenant_id$employee_id)
+    public function getEmployeeLeavesAsync($xero_tenant_id, $employee_id)
     {
-        return $this->getEmployeeLeavesAsyncWithHttpInfo($xero_tenant_id$employee_id)
+        return $this->getEmployeeLeavesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -9075,10 +9075,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeLeavesAsyncWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeLeavesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaves';
-        $request = $this->getEmployeeLeavesRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeLeavesRequest($xero_tenant_id, $employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -9118,7 +9118,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeLeavesRequest($xero_tenant_id$employee_id)
+    protected function getEmployeeLeavesRequest($xero_tenant_id, $employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -9219,9 +9219,9 @@ protected function getEmployeeLeavesRequest($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeOpeningBalancesObject
      */
-    public function getEmployeeOpeningBalances($xero_tenant_id$employee_id)
+    public function getEmployeeOpeningBalances($xero_tenant_id, $employee_id)
     {
-        list($response) = $this->getEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id$employee_id);
+        list($response) = $this->getEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id, $employee_id);
         return $response;
     }
     /**
@@ -9233,9 +9233,9 @@ public function getEmployeeOpeningBalances($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeOpeningBalancesObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id, $employee_id)
     {
-        $request = $this->getEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -9309,9 +9309,9 @@ public function getEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id$employee_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeOpeningBalancesAsync($xero_tenant_id$employee_id)
+    public function getEmployeeOpeningBalancesAsync($xero_tenant_id, $employee_id)
     {
-        return $this->getEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id)
+        return $this->getEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -9325,10 +9325,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeOpeningBalancesObject';
-        $request = $this->getEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -9368,7 +9368,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id)
+    protected function getEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -9469,9 +9469,9 @@ protected function getEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeePayTemplates|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function getEmployeePayTemplates($xero_tenant_id$employee_id)
+    public function getEmployeePayTemplates($xero_tenant_id, $employee_id)
     {
-        list($response) = $this->getEmployeePayTemplatesWithHttpInfo($xero_tenant_id$employee_id);
+        list($response) = $this->getEmployeePayTemplatesWithHttpInfo($xero_tenant_id, $employee_id);
         return $response;
     }
     /**
@@ -9483,9 +9483,9 @@ public function getEmployeePayTemplates($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeePayTemplates|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeePayTemplatesWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeePayTemplatesWithHttpInfo($xero_tenant_id, $employee_id)
     {
-        $request = $this->getEmployeePayTemplatesRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeePayTemplatesRequest($xero_tenant_id, $employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -9578,9 +9578,9 @@ public function getEmployeePayTemplatesWithHttpInfo($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeePayTemplatesAsync($xero_tenant_id$employee_id)
+    public function getEmployeePayTemplatesAsync($xero_tenant_id, $employee_id)
     {
-        return $this->getEmployeePayTemplatesAsyncWithHttpInfo($xero_tenant_id$employee_id)
+        return $this->getEmployeePayTemplatesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -9594,10 +9594,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeePayTemplatesAsyncWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeePayTemplatesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeePayTemplates';
-        $request = $this->getEmployeePayTemplatesRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeePayTemplatesRequest($xero_tenant_id, $employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -9637,7 +9637,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeePayTemplatesRequest($xero_tenant_id$employee_id)
+    protected function getEmployeePayTemplatesRequest($xero_tenant_id, $employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -9738,9 +9738,9 @@ protected function getEmployeePayTemplatesRequest($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\PaymentMethodObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function getEmployeePaymentMethod($xero_tenant_id$employee_id)
+    public function getEmployeePaymentMethod($xero_tenant_id, $employee_id)
     {
-        list($response) = $this->getEmployeePaymentMethodWithHttpInfo($xero_tenant_id$employee_id);
+        list($response) = $this->getEmployeePaymentMethodWithHttpInfo($xero_tenant_id, $employee_id);
         return $response;
     }
     /**
@@ -9752,9 +9752,9 @@ public function getEmployeePaymentMethod($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\PaymentMethodObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeePaymentMethodWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeePaymentMethodWithHttpInfo($xero_tenant_id, $employee_id)
     {
-        $request = $this->getEmployeePaymentMethodRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeePaymentMethodRequest($xero_tenant_id, $employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -9847,9 +9847,9 @@ public function getEmployeePaymentMethodWithHttpInfo($xero_tenant_id$employee_id
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeePaymentMethodAsync($xero_tenant_id$employee_id)
+    public function getEmployeePaymentMethodAsync($xero_tenant_id, $employee_id)
     {
-        return $this->getEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id$employee_id)
+        return $this->getEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id, $employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -9863,10 +9863,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id, $employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\PaymentMethodObject';
-        $request = $this->getEmployeePaymentMethodRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeePaymentMethodRequest($xero_tenant_id, $employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -9906,7 +9906,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeePaymentMethodRequest($xero_tenant_id$employee_id)
+    protected function getEmployeePaymentMethodRequest($xero_tenant_id, $employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -10008,9 +10008,9 @@ protected function getEmployeePaymentMethodRequest($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWages
      */
-    public function getEmployeeSalaryAndWage($xero_tenant_id$employee_id$salary_and_wages_id)
+    public function getEmployeeSalaryAndWage($xero_tenant_id, $employee_id, $salary_and_wages_id)
     {
-        list($response) = $this->getEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id);
+        list($response) = $this->getEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id);
         return $response;
     }
     /**
@@ -10023,9 +10023,9 @@ public function getEmployeeSalaryAndWage($xero_tenant_id$employee_id$salary_and_
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWages, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id)
+    public function getEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id)
     {
-        $request = $this->getEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id);
+        $request = $this->getEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -10100,9 +10100,9 @@ public function getEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeSalaryAndWageAsync($xero_tenant_id$employee_id$salary_and_wages_id)
+    public function getEmployeeSalaryAndWageAsync($xero_tenant_id, $employee_id, $salary_and_wages_id)
     {
-        return $this->getEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id)
+        return $this->getEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -10117,10 +10117,10 @@ function ($response) {
      * @param  string $salary_and_wages_id Id for single pay template earnings object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id)
+    public function getEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWages';
-        $request = $this->getEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id);
+        $request = $this->getEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -10161,7 +10161,7 @@ function ($exception) {
      * @param  string $salary_and_wages_id Id for single pay template earnings object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id)
+    protected function getEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -10277,9 +10277,9 @@ protected function getEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$s
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWages|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function getEmployeeSalaryAndWages($xero_tenant_id$employee_id$page = null)
+    public function getEmployeeSalaryAndWages($xero_tenant_id, $employee_id, $page = null)
     {
-        list($response) = $this->getEmployeeSalaryAndWagesWithHttpInfo($xero_tenant_id$employee_id$page);
+        list($response) = $this->getEmployeeSalaryAndWagesWithHttpInfo($xero_tenant_id, $employee_id, $page);
         return $response;
     }
     /**
@@ -10292,9 +10292,9 @@ public function getEmployeeSalaryAndWages($xero_tenant_id$employee_id$page = nul
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWages|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeSalaryAndWagesWithHttpInfo($xero_tenant_id$employee_id$page = null)
+    public function getEmployeeSalaryAndWagesWithHttpInfo($xero_tenant_id, $employee_id, $page = null)
     {
-        $request = $this->getEmployeeSalaryAndWagesRequest($xero_tenant_id$employee_id$page);
+        $request = $this->getEmployeeSalaryAndWagesRequest($xero_tenant_id, $employee_id, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -10388,9 +10388,9 @@ public function getEmployeeSalaryAndWagesWithHttpInfo($xero_tenant_id$employee_i
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeSalaryAndWagesAsync($xero_tenant_id$employee_id$page = null)
+    public function getEmployeeSalaryAndWagesAsync($xero_tenant_id, $employee_id, $page = null)
     {
-        return $this->getEmployeeSalaryAndWagesAsyncWithHttpInfo($xero_tenant_id$employee_id$page)
+        return $this->getEmployeeSalaryAndWagesAsyncWithHttpInfo($xero_tenant_id, $employee_id, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -10405,10 +10405,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeSalaryAndWagesAsyncWithHttpInfo($xero_tenant_id$employee_id$page = null)
+    public function getEmployeeSalaryAndWagesAsyncWithHttpInfo($xero_tenant_id, $employee_id, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWages';
-        $request = $this->getEmployeeSalaryAndWagesRequest($xero_tenant_id$employee_id$page);
+        $request = $this->getEmployeeSalaryAndWagesRequest($xero_tenant_id, $employee_id, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -10449,7 +10449,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeSalaryAndWagesRequest($xero_tenant_id$employee_id$page = null)
+    protected function getEmployeeSalaryAndWagesRequest($xero_tenant_id, $employee_id, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -10554,9 +10554,9 @@ protected function getEmployeeSalaryAndWagesRequest($xero_tenant_id$employee_id$
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeTaxObject
      */
-    public function getEmployeeTax($xero_tenant_id$employee_id)
+    public function getEmployeeTax($xero_tenant_id, $employee_id)
     {
-        list($response) = $this->getEmployeeTaxWithHttpInfo($xero_tenant_id$employee_id);
+        list($response) = $this->getEmployeeTaxWithHttpInfo($xero_tenant_id, $employee_id);
         return $response;
     }
     /**
@@ -10568,9 +10568,9 @@ public function getEmployeeTax($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeTaxObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeTaxWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeTaxWithHttpInfo($xero_tenant_id, $employee_id)
     {
-        $request = $this->getEmployeeTaxRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeTaxRequest($xero_tenant_id, $employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -10644,9 +10644,9 @@ public function getEmployeeTaxWithHttpInfo($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeTaxAsync($xero_tenant_id$employee_id)
+    public function getEmployeeTaxAsync($xero_tenant_id, $employee_id)
     {
-        return $this->getEmployeeTaxAsyncWithHttpInfo($xero_tenant_id$employee_id)
+        return $this->getEmployeeTaxAsyncWithHttpInfo($xero_tenant_id, $employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -10660,10 +10660,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeTaxAsyncWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeTaxAsyncWithHttpInfo($xero_tenant_id, $employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeTaxObject';
-        $request = $this->getEmployeeTaxRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeTaxRequest($xero_tenant_id, $employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -10703,7 +10703,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeTaxRequest($xero_tenant_id$employee_id)
+    protected function getEmployeeTaxRequest($xero_tenant_id, $employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -10805,9 +10805,9 @@ protected function getEmployeeTaxRequest($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\Employees|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function getEmployees($xero_tenant_id$filter = null$page = null)
+    public function getEmployees($xero_tenant_id, $filter = null, $page = null)
     {
-        list($response) = $this->getEmployeesWithHttpInfo($xero_tenant_id$filter$page);
+        list($response) = $this->getEmployeesWithHttpInfo($xero_tenant_id, $filter, $page);
         return $response;
     }
     /**
@@ -10820,9 +10820,9 @@ public function getEmployees($xero_tenant_id$filter = null$page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\Employees|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeesWithHttpInfo($xero_tenant_id$filter = null$page = null)
+    public function getEmployeesWithHttpInfo($xero_tenant_id, $filter = null, $page = null)
     {
-        $request = $this->getEmployeesRequest($xero_tenant_id$filter$page);
+        $request = $this->getEmployeesRequest($xero_tenant_id, $filter, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -10916,9 +10916,9 @@ public function getEmployeesWithHttpInfo($xero_tenant_id$filter = null$page = nu
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeesAsync($xero_tenant_id$filter = null$page = null)
+    public function getEmployeesAsync($xero_tenant_id, $filter = null, $page = null)
     {
-        return $this->getEmployeesAsyncWithHttpInfo($xero_tenant_id$filter$page)
+        return $this->getEmployeesAsyncWithHttpInfo($xero_tenant_id, $filter, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -10933,10 +10933,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeesAsyncWithHttpInfo($xero_tenant_id$filter = null$page = null)
+    public function getEmployeesAsyncWithHttpInfo($xero_tenant_id, $filter = null, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\Employees';
-        $request = $this->getEmployeesRequest($xero_tenant_id$filter$page);
+        $request = $this->getEmployeesRequest($xero_tenant_id, $filter, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -10977,7 +10977,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeesRequest($xero_tenant_id$filter = null$page = null)
+    protected function getEmployeesRequest($xero_tenant_id, $filter = null, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -11072,9 +11072,9 @@ protected function getEmployeesRequest($xero_tenant_id$filter = null$page = null
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\LeaveTypeObject
      */
-    public function getLeaveType($xero_tenant_id$leave_type_id)
+    public function getLeaveType($xero_tenant_id, $leave_type_id)
     {
-        list($response) = $this->getLeaveTypeWithHttpInfo($xero_tenant_id$leave_type_id);
+        list($response) = $this->getLeaveTypeWithHttpInfo($xero_tenant_id, $leave_type_id);
         return $response;
     }
     /**
@@ -11086,9 +11086,9 @@ public function getLeaveType($xero_tenant_id$leave_type_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\LeaveTypeObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getLeaveTypeWithHttpInfo($xero_tenant_id$leave_type_id)
+    public function getLeaveTypeWithHttpInfo($xero_tenant_id, $leave_type_id)
     {
-        $request = $this->getLeaveTypeRequest($xero_tenant_id$leave_type_id);
+        $request = $this->getLeaveTypeRequest($xero_tenant_id, $leave_type_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -11162,9 +11162,9 @@ public function getLeaveTypeWithHttpInfo($xero_tenant_id$leave_type_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getLeaveTypeAsync($xero_tenant_id$leave_type_id)
+    public function getLeaveTypeAsync($xero_tenant_id, $leave_type_id)
     {
-        return $this->getLeaveTypeAsyncWithHttpInfo($xero_tenant_id$leave_type_id)
+        return $this->getLeaveTypeAsyncWithHttpInfo($xero_tenant_id, $leave_type_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -11178,10 +11178,10 @@ function ($response) {
      * @param  string $leave_type_id Identifier for the leave type (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getLeaveTypeAsyncWithHttpInfo($xero_tenant_id$leave_type_id)
+    public function getLeaveTypeAsyncWithHttpInfo($xero_tenant_id, $leave_type_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\LeaveTypeObject';
-        $request = $this->getLeaveTypeRequest($xero_tenant_id$leave_type_id);
+        $request = $this->getLeaveTypeRequest($xero_tenant_id, $leave_type_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -11221,7 +11221,7 @@ function ($exception) {
      * @param  string $leave_type_id Identifier for the leave type (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getLeaveTypeRequest($xero_tenant_id$leave_type_id)
+    protected function getLeaveTypeRequest($xero_tenant_id, $leave_type_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -11323,9 +11323,9 @@ protected function getLeaveTypeRequest($xero_tenant_id$leave_type_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\LeaveTypes
      */
-    public function getLeaveTypes($xero_tenant_id$page = null$active_only = null)
+    public function getLeaveTypes($xero_tenant_id, $page = null, $active_only = null)
     {
-        list($response) = $this->getLeaveTypesWithHttpInfo($xero_tenant_id$page$active_only);
+        list($response) = $this->getLeaveTypesWithHttpInfo($xero_tenant_id, $page, $active_only);
         return $response;
     }
     /**
@@ -11338,9 +11338,9 @@ public function getLeaveTypes($xero_tenant_id$page = null$active_only = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\LeaveTypes, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getLeaveTypesWithHttpInfo($xero_tenant_id$page = null$active_only = null)
+    public function getLeaveTypesWithHttpInfo($xero_tenant_id, $page = null, $active_only = null)
     {
-        $request = $this->getLeaveTypesRequest($xero_tenant_id$page$active_only);
+        $request = $this->getLeaveTypesRequest($xero_tenant_id, $page, $active_only);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -11415,9 +11415,9 @@ public function getLeaveTypesWithHttpInfo($xero_tenant_id$page = null$active_onl
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getLeaveTypesAsync($xero_tenant_id$page = null$active_only = null)
+    public function getLeaveTypesAsync($xero_tenant_id, $page = null, $active_only = null)
     {
-        return $this->getLeaveTypesAsyncWithHttpInfo($xero_tenant_id$page$active_only)
+        return $this->getLeaveTypesAsyncWithHttpInfo($xero_tenant_id, $page, $active_only)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -11432,10 +11432,10 @@ function ($response) {
      * @param  bool $active_only Filters leave types by active status. By default the API returns all leave types. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getLeaveTypesAsyncWithHttpInfo($xero_tenant_id$page = null$active_only = null)
+    public function getLeaveTypesAsyncWithHttpInfo($xero_tenant_id, $page = null, $active_only = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\LeaveTypes';
-        $request = $this->getLeaveTypesRequest($xero_tenant_id$page$active_only);
+        $request = $this->getLeaveTypesRequest($xero_tenant_id, $page, $active_only);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -11476,7 +11476,7 @@ function ($exception) {
      * @param  bool $active_only Filters leave types by active status. By default the API returns all leave types. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getLeaveTypesRequest($xero_tenant_id$page = null$active_only = null)
+    protected function getLeaveTypesRequest($xero_tenant_id, $page = null, $active_only = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -11571,9 +11571,9 @@ protected function getLeaveTypesRequest($xero_tenant_id$page = null$active_only
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\PayRunObject
      */
-    public function getPayRun($xero_tenant_id$pay_run_id)
+    public function getPayRun($xero_tenant_id, $pay_run_id)
     {
-        list($response) = $this->getPayRunWithHttpInfo($xero_tenant_id$pay_run_id);
+        list($response) = $this->getPayRunWithHttpInfo($xero_tenant_id, $pay_run_id);
         return $response;
     }
     /**
@@ -11585,9 +11585,9 @@ public function getPayRun($xero_tenant_id$pay_run_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\PayRunObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayRunWithHttpInfo($xero_tenant_id$pay_run_id)
+    public function getPayRunWithHttpInfo($xero_tenant_id, $pay_run_id)
     {
-        $request = $this->getPayRunRequest($xero_tenant_id$pay_run_id);
+        $request = $this->getPayRunRequest($xero_tenant_id, $pay_run_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -11661,9 +11661,9 @@ public function getPayRunWithHttpInfo($xero_tenant_id$pay_run_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayRunAsync($xero_tenant_id$pay_run_id)
+    public function getPayRunAsync($xero_tenant_id, $pay_run_id)
     {
-        return $this->getPayRunAsyncWithHttpInfo($xero_tenant_id$pay_run_id)
+        return $this->getPayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -11677,10 +11677,10 @@ function ($response) {
      * @param  string $pay_run_id Identifier for the pay run (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayRunAsyncWithHttpInfo($xero_tenant_id$pay_run_id)
+    public function getPayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\PayRunObject';
-        $request = $this->getPayRunRequest($xero_tenant_id$pay_run_id);
+        $request = $this->getPayRunRequest($xero_tenant_id, $pay_run_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -11720,7 +11720,7 @@ function ($exception) {
      * @param  string $pay_run_id Identifier for the pay run (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayRunRequest($xero_tenant_id$pay_run_id)
+    protected function getPayRunRequest($xero_tenant_id, $pay_run_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -11821,9 +11821,9 @@ protected function getPayRunRequest($xero_tenant_id$pay_run_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendarObject
      */
-    public function getPayRunCalendar($xero_tenant_id$payroll_calendar_id)
+    public function getPayRunCalendar($xero_tenant_id, $payroll_calendar_id)
     {
-        list($response) = $this->getPayRunCalendarWithHttpInfo($xero_tenant_id$payroll_calendar_id);
+        list($response) = $this->getPayRunCalendarWithHttpInfo($xero_tenant_id, $payroll_calendar_id);
         return $response;
     }
     /**
@@ -11835,9 +11835,9 @@ public function getPayRunCalendar($xero_tenant_id$payroll_calendar_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendarObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayRunCalendarWithHttpInfo($xero_tenant_id$payroll_calendar_id)
+    public function getPayRunCalendarWithHttpInfo($xero_tenant_id, $payroll_calendar_id)
     {
-        $request = $this->getPayRunCalendarRequest($xero_tenant_id$payroll_calendar_id);
+        $request = $this->getPayRunCalendarRequest($xero_tenant_id, $payroll_calendar_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -11911,9 +11911,9 @@ public function getPayRunCalendarWithHttpInfo($xero_tenant_id$payroll_calendar_i
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayRunCalendarAsync($xero_tenant_id$payroll_calendar_id)
+    public function getPayRunCalendarAsync($xero_tenant_id, $payroll_calendar_id)
     {
-        return $this->getPayRunCalendarAsyncWithHttpInfo($xero_tenant_id$payroll_calendar_id)
+        return $this->getPayRunCalendarAsyncWithHttpInfo($xero_tenant_id, $payroll_calendar_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -11927,10 +11927,10 @@ function ($response) {
      * @param  string $payroll_calendar_id Identifier for the payrun calendars (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayRunCalendarAsyncWithHttpInfo($xero_tenant_id$payroll_calendar_id)
+    public function getPayRunCalendarAsyncWithHttpInfo($xero_tenant_id, $payroll_calendar_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendarObject';
-        $request = $this->getPayRunCalendarRequest($xero_tenant_id$payroll_calendar_id);
+        $request = $this->getPayRunCalendarRequest($xero_tenant_id, $payroll_calendar_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -11970,7 +11970,7 @@ function ($exception) {
      * @param  string $payroll_calendar_id Identifier for the payrun calendars (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayRunCalendarRequest($xero_tenant_id$payroll_calendar_id)
+    protected function getPayRunCalendarRequest($xero_tenant_id, $payroll_calendar_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -12071,9 +12071,9 @@ protected function getPayRunCalendarRequest($xero_tenant_id$payroll_calendar_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendars
      */
-    public function getPayRunCalendars($xero_tenant_id$page = null)
+    public function getPayRunCalendars($xero_tenant_id, $page = null)
     {
-        list($response) = $this->getPayRunCalendarsWithHttpInfo($xero_tenant_id$page);
+        list($response) = $this->getPayRunCalendarsWithHttpInfo($xero_tenant_id, $page);
         return $response;
     }
     /**
@@ -12085,9 +12085,9 @@ public function getPayRunCalendars($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendars, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayRunCalendarsWithHttpInfo($xero_tenant_id$page = null)
+    public function getPayRunCalendarsWithHttpInfo($xero_tenant_id, $page = null)
     {
-        $request = $this->getPayRunCalendarsRequest($xero_tenant_id$page);
+        $request = $this->getPayRunCalendarsRequest($xero_tenant_id, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -12161,9 +12161,9 @@ public function getPayRunCalendarsWithHttpInfo($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayRunCalendarsAsync($xero_tenant_id$page = null)
+    public function getPayRunCalendarsAsync($xero_tenant_id, $page = null)
     {
-        return $this->getPayRunCalendarsAsyncWithHttpInfo($xero_tenant_id$page)
+        return $this->getPayRunCalendarsAsyncWithHttpInfo($xero_tenant_id, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -12177,10 +12177,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayRunCalendarsAsyncWithHttpInfo($xero_tenant_id$page = null)
+    public function getPayRunCalendarsAsyncWithHttpInfo($xero_tenant_id, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendars';
-        $request = $this->getPayRunCalendarsRequest($xero_tenant_id$page);
+        $request = $this->getPayRunCalendarsRequest($xero_tenant_id, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -12220,7 +12220,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayRunCalendarsRequest($xero_tenant_id$page = null)
+    protected function getPayRunCalendarsRequest($xero_tenant_id, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -12312,9 +12312,9 @@ protected function getPayRunCalendarsRequest($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\PayRuns
      */
-    public function getPayRuns($xero_tenant_id$page = null$status = null)
+    public function getPayRuns($xero_tenant_id, $page = null, $status = null)
     {
-        list($response) = $this->getPayRunsWithHttpInfo($xero_tenant_id$page$status);
+        list($response) = $this->getPayRunsWithHttpInfo($xero_tenant_id, $page, $status);
         return $response;
     }
     /**
@@ -12327,9 +12327,9 @@ public function getPayRuns($xero_tenant_id$page = null$status = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\PayRuns, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayRunsWithHttpInfo($xero_tenant_id$page = null$status = null)
+    public function getPayRunsWithHttpInfo($xero_tenant_id, $page = null, $status = null)
     {
-        $request = $this->getPayRunsRequest($xero_tenant_id$page$status);
+        $request = $this->getPayRunsRequest($xero_tenant_id, $page, $status);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -12404,9 +12404,9 @@ public function getPayRunsWithHttpInfo($xero_tenant_id$page = null$status = null
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayRunsAsync($xero_tenant_id$page = null$status = null)
+    public function getPayRunsAsync($xero_tenant_id, $page = null, $status = null)
     {
-        return $this->getPayRunsAsyncWithHttpInfo($xero_tenant_id$page$status)
+        return $this->getPayRunsAsyncWithHttpInfo($xero_tenant_id, $page, $status)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -12421,10 +12421,10 @@ function ($response) {
      * @param  string $status By default get payruns will return all the payruns for an organization. You can add GET https://api.xero.com/payroll.xro/2.0/payRuns?statu&#x3D;{PayRunStatus} to filter the payruns by status. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayRunsAsyncWithHttpInfo($xero_tenant_id$page = null$status = null)
+    public function getPayRunsAsyncWithHttpInfo($xero_tenant_id, $page = null, $status = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\PayRuns';
-        $request = $this->getPayRunsRequest($xero_tenant_id$page$status);
+        $request = $this->getPayRunsRequest($xero_tenant_id, $page, $status);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -12465,7 +12465,7 @@ function ($exception) {
      * @param  string $status By default get payruns will return all the payruns for an organization. You can add GET https://api.xero.com/payroll.xro/2.0/payRuns?statu&#x3D;{PayRunStatus} to filter the payruns by status. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayRunsRequest($xero_tenant_id$page = null$status = null)
+    protected function getPayRunsRequest($xero_tenant_id, $page = null, $status = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -12560,9 +12560,9 @@ protected function getPayRunsRequest($xero_tenant_id$page = null$status = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\PaySlipObject
      */
-    public function getPaySlip($xero_tenant_id$pay_slip_id)
+    public function getPaySlip($xero_tenant_id, $pay_slip_id)
     {
-        list($response) = $this->getPaySlipWithHttpInfo($xero_tenant_id$pay_slip_id);
+        list($response) = $this->getPaySlipWithHttpInfo($xero_tenant_id, $pay_slip_id);
         return $response;
     }
     /**
@@ -12574,9 +12574,9 @@ public function getPaySlip($xero_tenant_id$pay_slip_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\PaySlipObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPaySlipWithHttpInfo($xero_tenant_id$pay_slip_id)
+    public function getPaySlipWithHttpInfo($xero_tenant_id, $pay_slip_id)
     {
-        $request = $this->getPaySlipRequest($xero_tenant_id$pay_slip_id);
+        $request = $this->getPaySlipRequest($xero_tenant_id, $pay_slip_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -12650,9 +12650,9 @@ public function getPaySlipWithHttpInfo($xero_tenant_id$pay_slip_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPaySlipAsync($xero_tenant_id$pay_slip_id)
+    public function getPaySlipAsync($xero_tenant_id, $pay_slip_id)
     {
-        return $this->getPaySlipAsyncWithHttpInfo($xero_tenant_id$pay_slip_id)
+        return $this->getPaySlipAsyncWithHttpInfo($xero_tenant_id, $pay_slip_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -12666,10 +12666,10 @@ function ($response) {
      * @param  string $pay_slip_id Identifier for the payslip (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPaySlipAsyncWithHttpInfo($xero_tenant_id$pay_slip_id)
+    public function getPaySlipAsyncWithHttpInfo($xero_tenant_id, $pay_slip_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\PaySlipObject';
-        $request = $this->getPaySlipRequest($xero_tenant_id$pay_slip_id);
+        $request = $this->getPaySlipRequest($xero_tenant_id, $pay_slip_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -12709,7 +12709,7 @@ function ($exception) {
      * @param  string $pay_slip_id Identifier for the payslip (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPaySlipRequest($xero_tenant_id$pay_slip_id)
+    protected function getPaySlipRequest($xero_tenant_id, $pay_slip_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -12811,9 +12811,9 @@ protected function getPaySlipRequest($xero_tenant_id$pay_slip_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\PaySlips
      */
-    public function getPaySlips($xero_tenant_id$pay_run_id$page = null)
+    public function getPaySlips($xero_tenant_id, $pay_run_id, $page = null)
     {
-        list($response) = $this->getPaySlipsWithHttpInfo($xero_tenant_id$pay_run_id$page);
+        list($response) = $this->getPaySlipsWithHttpInfo($xero_tenant_id, $pay_run_id, $page);
         return $response;
     }
     /**
@@ -12826,9 +12826,9 @@ public function getPaySlips($xero_tenant_id$pay_run_id$page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\PaySlips, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPaySlipsWithHttpInfo($xero_tenant_id$pay_run_id$page = null)
+    public function getPaySlipsWithHttpInfo($xero_tenant_id, $pay_run_id, $page = null)
     {
-        $request = $this->getPaySlipsRequest($xero_tenant_id$pay_run_id$page);
+        $request = $this->getPaySlipsRequest($xero_tenant_id, $pay_run_id, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -12903,9 +12903,9 @@ public function getPaySlipsWithHttpInfo($xero_tenant_id$pay_run_id$page = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPaySlipsAsync($xero_tenant_id$pay_run_id$page = null)
+    public function getPaySlipsAsync($xero_tenant_id, $pay_run_id, $page = null)
     {
-        return $this->getPaySlipsAsyncWithHttpInfo($xero_tenant_id$pay_run_id$page)
+        return $this->getPaySlipsAsyncWithHttpInfo($xero_tenant_id, $pay_run_id, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -12920,10 +12920,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPaySlipsAsyncWithHttpInfo($xero_tenant_id$pay_run_id$page = null)
+    public function getPaySlipsAsyncWithHttpInfo($xero_tenant_id, $pay_run_id, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\PaySlips';
-        $request = $this->getPaySlipsRequest($xero_tenant_id$pay_run_id$page);
+        $request = $this->getPaySlipsRequest($xero_tenant_id, $pay_run_id, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -12964,7 +12964,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPaySlipsRequest($xero_tenant_id$pay_run_id$page = null)
+    protected function getPaySlipsRequest($xero_tenant_id, $pay_run_id, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -13065,9 +13065,9 @@ protected function getPaySlipsRequest($xero_tenant_id$pay_run_id$page = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\ReimbursementObject
      */
-    public function getReimbursement($xero_tenant_id$reimbursement_id)
+    public function getReimbursement($xero_tenant_id, $reimbursement_id)
     {
-        list($response) = $this->getReimbursementWithHttpInfo($xero_tenant_id$reimbursement_id);
+        list($response) = $this->getReimbursementWithHttpInfo($xero_tenant_id, $reimbursement_id);
         return $response;
     }
     /**
@@ -13079,9 +13079,9 @@ public function getReimbursement($xero_tenant_id$reimbursement_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\ReimbursementObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReimbursementWithHttpInfo($xero_tenant_id$reimbursement_id)
+    public function getReimbursementWithHttpInfo($xero_tenant_id, $reimbursement_id)
     {
-        $request = $this->getReimbursementRequest($xero_tenant_id$reimbursement_id);
+        $request = $this->getReimbursementRequest($xero_tenant_id, $reimbursement_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -13155,9 +13155,9 @@ public function getReimbursementWithHttpInfo($xero_tenant_id$reimbursement_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReimbursementAsync($xero_tenant_id$reimbursement_id)
+    public function getReimbursementAsync($xero_tenant_id, $reimbursement_id)
     {
-        return $this->getReimbursementAsyncWithHttpInfo($xero_tenant_id$reimbursement_id)
+        return $this->getReimbursementAsyncWithHttpInfo($xero_tenant_id, $reimbursement_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -13171,10 +13171,10 @@ function ($response) {
      * @param  string $reimbursement_id Identifier for the reimbursement (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReimbursementAsyncWithHttpInfo($xero_tenant_id$reimbursement_id)
+    public function getReimbursementAsyncWithHttpInfo($xero_tenant_id, $reimbursement_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\ReimbursementObject';
-        $request = $this->getReimbursementRequest($xero_tenant_id$reimbursement_id);
+        $request = $this->getReimbursementRequest($xero_tenant_id, $reimbursement_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -13214,7 +13214,7 @@ function ($exception) {
      * @param  string $reimbursement_id Identifier for the reimbursement (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReimbursementRequest($xero_tenant_id$reimbursement_id)
+    protected function getReimbursementRequest($xero_tenant_id, $reimbursement_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -13315,9 +13315,9 @@ protected function getReimbursementRequest($xero_tenant_id$reimbursement_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\Reimbursements
      */
-    public function getReimbursements($xero_tenant_id$page = null)
+    public function getReimbursements($xero_tenant_id, $page = null)
     {
-        list($response) = $this->getReimbursementsWithHttpInfo($xero_tenant_id$page);
+        list($response) = $this->getReimbursementsWithHttpInfo($xero_tenant_id, $page);
         return $response;
     }
     /**
@@ -13329,9 +13329,9 @@ public function getReimbursements($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\Reimbursements, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReimbursementsWithHttpInfo($xero_tenant_id$page = null)
+    public function getReimbursementsWithHttpInfo($xero_tenant_id, $page = null)
     {
-        $request = $this->getReimbursementsRequest($xero_tenant_id$page);
+        $request = $this->getReimbursementsRequest($xero_tenant_id, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -13405,9 +13405,9 @@ public function getReimbursementsWithHttpInfo($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReimbursementsAsync($xero_tenant_id$page = null)
+    public function getReimbursementsAsync($xero_tenant_id, $page = null)
     {
-        return $this->getReimbursementsAsyncWithHttpInfo($xero_tenant_id$page)
+        return $this->getReimbursementsAsyncWithHttpInfo($xero_tenant_id, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -13421,10 +13421,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReimbursementsAsyncWithHttpInfo($xero_tenant_id$page = null)
+    public function getReimbursementsAsyncWithHttpInfo($xero_tenant_id, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\Reimbursements';
-        $request = $this->getReimbursementsRequest($xero_tenant_id$page);
+        $request = $this->getReimbursementsRequest($xero_tenant_id, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -13464,7 +13464,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReimbursementsRequest($xero_tenant_id$page = null)
+    protected function getReimbursementsRequest($xero_tenant_id, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -13786,9 +13786,9 @@ protected function getSettingsRequest($xero_tenant_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeductionObject
      */
-    public function getStatutoryDeduction($xero_tenant_id$id)
+    public function getStatutoryDeduction($xero_tenant_id, $id)
     {
-        list($response) = $this->getStatutoryDeductionWithHttpInfo($xero_tenant_id$id);
+        list($response) = $this->getStatutoryDeductionWithHttpInfo($xero_tenant_id, $id);
         return $response;
     }
     /**
@@ -13800,9 +13800,9 @@ public function getStatutoryDeduction($xero_tenant_id$id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeductionObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getStatutoryDeductionWithHttpInfo($xero_tenant_id$id)
+    public function getStatutoryDeductionWithHttpInfo($xero_tenant_id, $id)
     {
-        $request = $this->getStatutoryDeductionRequest($xero_tenant_id$id);
+        $request = $this->getStatutoryDeductionRequest($xero_tenant_id, $id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -13876,9 +13876,9 @@ public function getStatutoryDeductionWithHttpInfo($xero_tenant_id$id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getStatutoryDeductionAsync($xero_tenant_id$id)
+    public function getStatutoryDeductionAsync($xero_tenant_id, $id)
     {
-        return $this->getStatutoryDeductionAsyncWithHttpInfo($xero_tenant_id$id)
+        return $this->getStatutoryDeductionAsyncWithHttpInfo($xero_tenant_id, $id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -13892,10 +13892,10 @@ function ($response) {
      * @param  string $id Identifier for the statutory deduction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getStatutoryDeductionAsyncWithHttpInfo($xero_tenant_id$id)
+    public function getStatutoryDeductionAsyncWithHttpInfo($xero_tenant_id, $id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeductionObject';
-        $request = $this->getStatutoryDeductionRequest($xero_tenant_id$id);
+        $request = $this->getStatutoryDeductionRequest($xero_tenant_id, $id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -13935,7 +13935,7 @@ function ($exception) {
      * @param  string $id Identifier for the statutory deduction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getStatutoryDeductionRequest($xero_tenant_id$id)
+    protected function getStatutoryDeductionRequest($xero_tenant_id, $id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -14036,9 +14036,9 @@ protected function getStatutoryDeductionRequest($xero_tenant_id$id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeductions
      */
-    public function getStatutoryDeductions($xero_tenant_id$page = null)
+    public function getStatutoryDeductions($xero_tenant_id, $page = null)
     {
-        list($response) = $this->getStatutoryDeductionsWithHttpInfo($xero_tenant_id$page);
+        list($response) = $this->getStatutoryDeductionsWithHttpInfo($xero_tenant_id, $page);
         return $response;
     }
     /**
@@ -14050,9 +14050,9 @@ public function getStatutoryDeductions($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeductions, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getStatutoryDeductionsWithHttpInfo($xero_tenant_id$page = null)
+    public function getStatutoryDeductionsWithHttpInfo($xero_tenant_id, $page = null)
     {
-        $request = $this->getStatutoryDeductionsRequest($xero_tenant_id$page);
+        $request = $this->getStatutoryDeductionsRequest($xero_tenant_id, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -14126,9 +14126,9 @@ public function getStatutoryDeductionsWithHttpInfo($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getStatutoryDeductionsAsync($xero_tenant_id$page = null)
+    public function getStatutoryDeductionsAsync($xero_tenant_id, $page = null)
     {
-        return $this->getStatutoryDeductionsAsyncWithHttpInfo($xero_tenant_id$page)
+        return $this->getStatutoryDeductionsAsyncWithHttpInfo($xero_tenant_id, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -14142,10 +14142,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getStatutoryDeductionsAsyncWithHttpInfo($xero_tenant_id$page = null)
+    public function getStatutoryDeductionsAsyncWithHttpInfo($xero_tenant_id, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeductions';
-        $request = $this->getStatutoryDeductionsRequest($xero_tenant_id$page);
+        $request = $this->getStatutoryDeductionsRequest($xero_tenant_id, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -14185,7 +14185,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getStatutoryDeductionsRequest($xero_tenant_id$page = null)
+    protected function getStatutoryDeductionsRequest($xero_tenant_id, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -14276,9 +14276,9 @@ protected function getStatutoryDeductionsRequest($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\SuperannuationObject
      */
-    public function getSuperannuation($xero_tenant_id$superannuation_id)
+    public function getSuperannuation($xero_tenant_id, $superannuation_id)
     {
-        list($response) = $this->getSuperannuationWithHttpInfo($xero_tenant_id$superannuation_id);
+        list($response) = $this->getSuperannuationWithHttpInfo($xero_tenant_id, $superannuation_id);
         return $response;
     }
     /**
@@ -14290,9 +14290,9 @@ public function getSuperannuation($xero_tenant_id$superannuation_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\SuperannuationObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getSuperannuationWithHttpInfo($xero_tenant_id$superannuation_id)
+    public function getSuperannuationWithHttpInfo($xero_tenant_id, $superannuation_id)
     {
-        $request = $this->getSuperannuationRequest($xero_tenant_id$superannuation_id);
+        $request = $this->getSuperannuationRequest($xero_tenant_id, $superannuation_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -14366,9 +14366,9 @@ public function getSuperannuationWithHttpInfo($xero_tenant_id$superannuation_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getSuperannuationAsync($xero_tenant_id$superannuation_id)
+    public function getSuperannuationAsync($xero_tenant_id, $superannuation_id)
     {
-        return $this->getSuperannuationAsyncWithHttpInfo($xero_tenant_id$superannuation_id)
+        return $this->getSuperannuationAsyncWithHttpInfo($xero_tenant_id, $superannuation_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -14382,10 +14382,10 @@ function ($response) {
      * @param  string $superannuation_id Identifier for the superannuation (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getSuperannuationAsyncWithHttpInfo($xero_tenant_id$superannuation_id)
+    public function getSuperannuationAsyncWithHttpInfo($xero_tenant_id, $superannuation_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\SuperannuationObject';
-        $request = $this->getSuperannuationRequest($xero_tenant_id$superannuation_id);
+        $request = $this->getSuperannuationRequest($xero_tenant_id, $superannuation_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -14425,7 +14425,7 @@ function ($exception) {
      * @param  string $superannuation_id Identifier for the superannuation (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getSuperannuationRequest($xero_tenant_id$superannuation_id)
+    protected function getSuperannuationRequest($xero_tenant_id, $superannuation_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -14526,9 +14526,9 @@ protected function getSuperannuationRequest($xero_tenant_id$superannuation_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\Superannuations
      */
-    public function getSuperannuations($xero_tenant_id$page = null)
+    public function getSuperannuations($xero_tenant_id, $page = null)
     {
-        list($response) = $this->getSuperannuationsWithHttpInfo($xero_tenant_id$page);
+        list($response) = $this->getSuperannuationsWithHttpInfo($xero_tenant_id, $page);
         return $response;
     }
     /**
@@ -14540,9 +14540,9 @@ public function getSuperannuations($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\Superannuations, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getSuperannuationsWithHttpInfo($xero_tenant_id$page = null)
+    public function getSuperannuationsWithHttpInfo($xero_tenant_id, $page = null)
     {
-        $request = $this->getSuperannuationsRequest($xero_tenant_id$page);
+        $request = $this->getSuperannuationsRequest($xero_tenant_id, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -14616,9 +14616,9 @@ public function getSuperannuationsWithHttpInfo($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getSuperannuationsAsync($xero_tenant_id$page = null)
+    public function getSuperannuationsAsync($xero_tenant_id, $page = null)
     {
-        return $this->getSuperannuationsAsyncWithHttpInfo($xero_tenant_id$page)
+        return $this->getSuperannuationsAsyncWithHttpInfo($xero_tenant_id, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -14632,10 +14632,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getSuperannuationsAsyncWithHttpInfo($xero_tenant_id$page = null)
+    public function getSuperannuationsAsyncWithHttpInfo($xero_tenant_id, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\Superannuations';
-        $request = $this->getSuperannuationsRequest($xero_tenant_id$page);
+        $request = $this->getSuperannuationsRequest($xero_tenant_id, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -14675,7 +14675,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getSuperannuationsRequest($xero_tenant_id$page = null)
+    protected function getSuperannuationsRequest($xero_tenant_id, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -14766,9 +14766,9 @@ protected function getSuperannuationsRequest($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetObject
      */
-    public function getTimesheet($xero_tenant_id$timesheet_id)
+    public function getTimesheet($xero_tenant_id, $timesheet_id)
     {
-        list($response) = $this->getTimesheetWithHttpInfo($xero_tenant_id$timesheet_id);
+        list($response) = $this->getTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id);
         return $response;
     }
     /**
@@ -14780,9 +14780,9 @@ public function getTimesheet($xero_tenant_id$timesheet_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getTimesheetWithHttpInfo($xero_tenant_id$timesheet_id)
+    public function getTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id)
     {
-        $request = $this->getTimesheetRequest($xero_tenant_id$timesheet_id);
+        $request = $this->getTimesheetRequest($xero_tenant_id, $timesheet_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -14856,9 +14856,9 @@ public function getTimesheetWithHttpInfo($xero_tenant_id$timesheet_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getTimesheetAsync($xero_tenant_id$timesheet_id)
+    public function getTimesheetAsync($xero_tenant_id, $timesheet_id)
     {
-        return $this->getTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
+        return $this->getTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -14872,10 +14872,10 @@ function ($response) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
+    public function getTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetObject';
-        $request = $this->getTimesheetRequest($xero_tenant_id$timesheet_id);
+        $request = $this->getTimesheetRequest($xero_tenant_id, $timesheet_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -14915,7 +14915,7 @@ function ($exception) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getTimesheetRequest($xero_tenant_id$timesheet_id)
+    protected function getTimesheetRequest($xero_tenant_id, $timesheet_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -15021,9 +15021,9 @@ protected function getTimesheetRequest($xero_tenant_id$timesheet_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\Timesheets
      */
-    public function getTimesheets($xero_tenant_id$page = null$filter = null$status = null$start_date = null$end_date = null$sort = null)
+    public function getTimesheets($xero_tenant_id, $page = null, $filter = null, $status = null, $start_date = null, $end_date = null, $sort = null)
     {
-        list($response) = $this->getTimesheetsWithHttpInfo($xero_tenant_id$page$filter$status$start_date$end_date$sort);
+        list($response) = $this->getTimesheetsWithHttpInfo($xero_tenant_id, $page, $filter, $status, $start_date, $end_date, $sort);
         return $response;
     }
     /**
@@ -15040,9 +15040,9 @@ public function getTimesheets($xero_tenant_id$page = null$filter = null$status =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\Timesheets, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getTimesheetsWithHttpInfo($xero_tenant_id$page = null$filter = null$status = null$start_date = null$end_date = null$sort = null)
+    public function getTimesheetsWithHttpInfo($xero_tenant_id, $page = null, $filter = null, $status = null, $start_date = null, $end_date = null, $sort = null)
     {
-        $request = $this->getTimesheetsRequest($xero_tenant_id$page$filter$status$start_date$end_date$sort);
+        $request = $this->getTimesheetsRequest($xero_tenant_id, $page, $filter, $status, $start_date, $end_date, $sort);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -15121,9 +15121,9 @@ public function getTimesheetsWithHttpInfo($xero_tenant_id$page = null$filter = n
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getTimesheetsAsync($xero_tenant_id$page = null$filter = null$status = null$start_date = null$end_date = null$sort = null)
+    public function getTimesheetsAsync($xero_tenant_id, $page = null, $filter = null, $status = null, $start_date = null, $end_date = null, $sort = null)
     {
-        return $this->getTimesheetsAsyncWithHttpInfo($xero_tenant_id$page$filter$status$start_date$end_date$sort)
+        return $this->getTimesheetsAsyncWithHttpInfo($xero_tenant_id, $page, $filter, $status, $start_date, $end_date, $sort)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -15142,10 +15142,10 @@ function ($response) {
      * @param  string $sort sort the order of timesheets returned. The default is based on the timesheets createdDate, sorted oldest to newest. Currently, the only other option is to reverse the order based on the timesheets startDate, sorted newest to oldest. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getTimesheetsAsyncWithHttpInfo($xero_tenant_id$page = null$filter = null$status = null$start_date = null$end_date = null$sort = null)
+    public function getTimesheetsAsyncWithHttpInfo($xero_tenant_id, $page = null, $filter = null, $status = null, $start_date = null, $end_date = null, $sort = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\Timesheets';
-        $request = $this->getTimesheetsRequest($xero_tenant_id$page$filter$status$start_date$end_date$sort);
+        $request = $this->getTimesheetsRequest($xero_tenant_id, $page, $filter, $status, $start_date, $end_date, $sort);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -15190,7 +15190,7 @@ function ($exception) {
      * @param  string $sort sort the order of timesheets returned. The default is based on the timesheets createdDate, sorted oldest to newest. Currently, the only other option is to reverse the order based on the timesheets startDate, sorted newest to oldest. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getTimesheetsRequest($xero_tenant_id$page = null$filter = null$status = null$start_date = null$end_date = null$sort = null)
+    protected function getTimesheetsRequest($xero_tenant_id, $page = null, $filter = null, $status = null, $start_date = null, $end_date = null, $sort = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -15532,9 +15532,9 @@ protected function getTrackingCategoriesRequest($xero_tenant_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function revertTimesheet($xero_tenant_id$timesheet_id)
+    public function revertTimesheet($xero_tenant_id, $timesheet_id)
     {
-        list($response) = $this->revertTimesheetWithHttpInfo($xero_tenant_id$timesheet_id);
+        list($response) = $this->revertTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id);
         return $response;
     }
     /**
@@ -15546,9 +15546,9 @@ public function revertTimesheet($xero_tenant_id$timesheet_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function revertTimesheetWithHttpInfo($xero_tenant_id$timesheet_id)
+    public function revertTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id)
     {
-        $request = $this->revertTimesheetRequest($xero_tenant_id$timesheet_id);
+        $request = $this->revertTimesheetRequest($xero_tenant_id, $timesheet_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -15641,9 +15641,9 @@ public function revertTimesheetWithHttpInfo($xero_tenant_id$timesheet_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function revertTimesheetAsync($xero_tenant_id$timesheet_id)
+    public function revertTimesheetAsync($xero_tenant_id, $timesheet_id)
     {
-        return $this->revertTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
+        return $this->revertTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -15657,10 +15657,10 @@ function ($response) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function revertTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
+    public function revertTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetObject';
-        $request = $this->revertTimesheetRequest($xero_tenant_id$timesheet_id);
+        $request = $this->revertTimesheetRequest($xero_tenant_id, $timesheet_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -15700,7 +15700,7 @@ function ($exception) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function revertTimesheetRequest($xero_tenant_id$timesheet_id)
+    protected function revertTimesheetRequest($xero_tenant_id, $timesheet_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -15802,9 +15802,9 @@ protected function revertTimesheetRequest($xero_tenant_id$timesheet_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function updateEmployee($xero_tenant_id$employee_id$employee)
+    public function updateEmployee($xero_tenant_id, $employee_id, $employee)
     {
-        list($response) = $this->updateEmployeeWithHttpInfo($xero_tenant_id$employee_id$employee);
+        list($response) = $this->updateEmployeeWithHttpInfo($xero_tenant_id, $employee_id, $employee);
         return $response;
     }
     /**
@@ -15817,9 +15817,9 @@ public function updateEmployee($xero_tenant_id$employee_id$employee)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateEmployeeWithHttpInfo($xero_tenant_id$employee_id$employee)
+    public function updateEmployeeWithHttpInfo($xero_tenant_id, $employee_id, $employee)
     {
-        $request = $this->updateEmployeeRequest($xero_tenant_id$employee_id$employee);
+        $request = $this->updateEmployeeRequest($xero_tenant_id, $employee_id, $employee);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -15913,9 +15913,9 @@ public function updateEmployeeWithHttpInfo($xero_tenant_id$employee_id$employee)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateEmployeeAsync($xero_tenant_id$employee_id$employee)
+    public function updateEmployeeAsync($xero_tenant_id, $employee_id, $employee)
     {
-        return $this->updateEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id$employee)
+        return $this->updateEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -15930,10 +15930,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Employee $employee (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id$employee)
+    public function updateEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeObject';
-        $request = $this->updateEmployeeRequest($xero_tenant_id$employee_id$employee);
+        $request = $this->updateEmployeeRequest($xero_tenant_id, $employee_id, $employee);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -15974,7 +15974,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\Employee $employee (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateEmployeeRequest($xero_tenant_id$employee_id$employee)
+    protected function updateEmployeeRequest($xero_tenant_id, $employee_id, $employee)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -16086,9 +16086,9 @@ protected function updateEmployeeRequest($xero_tenant_id$employee_id$employee)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplateObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function updateEmployeeEarningsTemplate($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template)
+    public function updateEmployeeEarningsTemplate($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template)
     {
-        list($response) = $this->updateEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template);
+        list($response) = $this->updateEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template);
         return $response;
     }
     /**
@@ -16102,9 +16102,9 @@ public function updateEmployeeEarningsTemplate($xero_tenant_id$employee_id$pay_t
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplateObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template)
+    public function updateEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template)
     {
-        $request = $this->updateEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template);
+        $request = $this->updateEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -16199,9 +16199,9 @@ public function updateEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$emplo
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateEmployeeEarningsTemplateAsync($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template)
+    public function updateEmployeeEarningsTemplateAsync($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template)
     {
-        return $this->updateEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template)
+        return $this->updateEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -16217,10 +16217,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplate $earnings_template (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template)
+    public function updateEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplateObject';
-        $request = $this->updateEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template);
+        $request = $this->updateEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -16262,7 +16262,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplate $earnings_template (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template)
+    protected function updateEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -16388,9 +16388,9 @@ protected function updateEmployeeEarningsTemplateRequest($xero_tenant_id$employe
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function updateEmployeeLeave($xero_tenant_id$employee_id$leave_id$employee_leave)
+    public function updateEmployeeLeave($xero_tenant_id, $employee_id, $leave_id, $employee_leave)
     {
-        list($response) = $this->updateEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$leave_id$employee_leave);
+        list($response) = $this->updateEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $leave_id, $employee_leave);
         return $response;
     }
     /**
@@ -16404,9 +16404,9 @@ public function updateEmployeeLeave($xero_tenant_id$employee_id$leave_id$employe
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$leave_id$employee_leave)
+    public function updateEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $leave_id, $employee_leave)
     {
-        $request = $this->updateEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id$employee_leave);
+        $request = $this->updateEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id, $employee_leave);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -16501,9 +16501,9 @@ public function updateEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$leav
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateEmployeeLeaveAsync($xero_tenant_id$employee_id$leave_id$employee_leave)
+    public function updateEmployeeLeaveAsync($xero_tenant_id, $employee_id, $leave_id, $employee_leave)
     {
-        return $this->updateEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$leave_id$employee_leave)
+        return $this->updateEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $leave_id, $employee_leave)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -16519,10 +16519,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeave $employee_leave (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$leave_id$employee_leave)
+    public function updateEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $leave_id, $employee_leave)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveObject';
-        $request = $this->updateEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id$employee_leave);
+        $request = $this->updateEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id, $employee_leave);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -16564,7 +16564,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeave $employee_leave (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id$employee_leave)
+    protected function updateEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id, $employee_leave)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -16690,9 +16690,9 @@ protected function updateEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWageObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function updateEmployeeSalaryAndWage($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage)
+    public function updateEmployeeSalaryAndWage($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage)
     {
-        list($response) = $this->updateEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage);
+        list($response) = $this->updateEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage);
         return $response;
     }
     /**
@@ -16706,9 +16706,9 @@ public function updateEmployeeSalaryAndWage($xero_tenant_id$employee_id$salary_a
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWageObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage)
+    public function updateEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage)
     {
-        $request = $this->updateEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage);
+        $request = $this->updateEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -16803,9 +16803,9 @@ public function updateEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateEmployeeSalaryAndWageAsync($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage)
+    public function updateEmployeeSalaryAndWageAsync($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage)
     {
-        return $this->updateEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage)
+        return $this->updateEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -16821,10 +16821,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWage $salary_and_wage (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage)
+    public function updateEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWageObject';
-        $request = $this->updateEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage);
+        $request = $this->updateEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -16866,7 +16866,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWage $salary_and_wage (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage)
+    protected function updateEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -16991,9 +16991,9 @@ protected function updateEmployeeSalaryAndWageRequest($xero_tenant_id$employee_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeTaxObject
      */
-    public function updateEmployeeTax($xero_tenant_id$employee_id$employee_tax)
+    public function updateEmployeeTax($xero_tenant_id, $employee_id, $employee_tax)
     {
-        list($response) = $this->updateEmployeeTaxWithHttpInfo($xero_tenant_id$employee_id$employee_tax);
+        list($response) = $this->updateEmployeeTaxWithHttpInfo($xero_tenant_id, $employee_id, $employee_tax);
         return $response;
     }
     /**
@@ -17006,9 +17006,9 @@ public function updateEmployeeTax($xero_tenant_id$employee_id$employee_tax)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeTaxObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateEmployeeTaxWithHttpInfo($xero_tenant_id$employee_id$employee_tax)
+    public function updateEmployeeTaxWithHttpInfo($xero_tenant_id, $employee_id, $employee_tax)
     {
-        $request = $this->updateEmployeeTaxRequest($xero_tenant_id$employee_id$employee_tax);
+        $request = $this->updateEmployeeTaxRequest($xero_tenant_id, $employee_id, $employee_tax);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -17083,9 +17083,9 @@ public function updateEmployeeTaxWithHttpInfo($xero_tenant_id$employee_id$employ
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateEmployeeTaxAsync($xero_tenant_id$employee_id$employee_tax)
+    public function updateEmployeeTaxAsync($xero_tenant_id, $employee_id, $employee_tax)
     {
-        return $this->updateEmployeeTaxAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_tax)
+        return $this->updateEmployeeTaxAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_tax)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -17100,10 +17100,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeTax $employee_tax (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateEmployeeTaxAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_tax)
+    public function updateEmployeeTaxAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_tax)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeTaxObject';
-        $request = $this->updateEmployeeTaxRequest($xero_tenant_id$employee_id$employee_tax);
+        $request = $this->updateEmployeeTaxRequest($xero_tenant_id, $employee_id, $employee_tax);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -17144,7 +17144,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\EmployeeTax $employee_tax (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateEmployeeTaxRequest($xero_tenant_id$employee_id$employee_tax)
+    protected function updateEmployeeTaxRequest($xero_tenant_id, $employee_id, $employee_tax)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -17255,9 +17255,9 @@ protected function updateEmployeeTaxRequest($xero_tenant_id$employee_id$employee
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\PayRunObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function updatePayRun($xero_tenant_id$pay_run_id$pay_run)
+    public function updatePayRun($xero_tenant_id, $pay_run_id, $pay_run)
     {
-        list($response) = $this->updatePayRunWithHttpInfo($xero_tenant_id$pay_run_id$pay_run);
+        list($response) = $this->updatePayRunWithHttpInfo($xero_tenant_id, $pay_run_id, $pay_run);
         return $response;
     }
     /**
@@ -17270,9 +17270,9 @@ public function updatePayRun($xero_tenant_id$pay_run_id$pay_run)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\PayRunObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updatePayRunWithHttpInfo($xero_tenant_id$pay_run_id$pay_run)
+    public function updatePayRunWithHttpInfo($xero_tenant_id, $pay_run_id, $pay_run)
     {
-        $request = $this->updatePayRunRequest($xero_tenant_id$pay_run_id$pay_run);
+        $request = $this->updatePayRunRequest($xero_tenant_id, $pay_run_id, $pay_run);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -17366,9 +17366,9 @@ public function updatePayRunWithHttpInfo($xero_tenant_id$pay_run_id$pay_run)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updatePayRunAsync($xero_tenant_id$pay_run_id$pay_run)
+    public function updatePayRunAsync($xero_tenant_id, $pay_run_id, $pay_run)
     {
-        return $this->updatePayRunAsyncWithHttpInfo($xero_tenant_id$pay_run_id$pay_run)
+        return $this->updatePayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run_id, $pay_run)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -17383,10 +17383,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\PayRun $pay_run (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updatePayRunAsyncWithHttpInfo($xero_tenant_id$pay_run_id$pay_run)
+    public function updatePayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run_id, $pay_run)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\PayRunObject';
-        $request = $this->updatePayRunRequest($xero_tenant_id$pay_run_id$pay_run);
+        $request = $this->updatePayRunRequest($xero_tenant_id, $pay_run_id, $pay_run);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -17427,7 +17427,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\PayRun $pay_run (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updatePayRunRequest($xero_tenant_id$pay_run_id$pay_run)
+    protected function updatePayRunRequest($xero_tenant_id, $pay_run_id, $pay_run)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -17538,9 +17538,9 @@ protected function updatePayRunRequest($xero_tenant_id$pay_run_id$pay_run)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\PaySlipObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function updatePaySlipLineItems($xero_tenant_id$pay_slip_id$pay_slip)
+    public function updatePaySlipLineItems($xero_tenant_id, $pay_slip_id, $pay_slip)
     {
-        list($response) = $this->updatePaySlipLineItemsWithHttpInfo($xero_tenant_id$pay_slip_id$pay_slip);
+        list($response) = $this->updatePaySlipLineItemsWithHttpInfo($xero_tenant_id, $pay_slip_id, $pay_slip);
         return $response;
     }
     /**
@@ -17553,9 +17553,9 @@ public function updatePaySlipLineItems($xero_tenant_id$pay_slip_id$pay_slip)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\PaySlipObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updatePaySlipLineItemsWithHttpInfo($xero_tenant_id$pay_slip_id$pay_slip)
+    public function updatePaySlipLineItemsWithHttpInfo($xero_tenant_id, $pay_slip_id, $pay_slip)
     {
-        $request = $this->updatePaySlipLineItemsRequest($xero_tenant_id$pay_slip_id$pay_slip);
+        $request = $this->updatePaySlipLineItemsRequest($xero_tenant_id, $pay_slip_id, $pay_slip);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -17649,9 +17649,9 @@ public function updatePaySlipLineItemsWithHttpInfo($xero_tenant_id$pay_slip_id$p
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updatePaySlipLineItemsAsync($xero_tenant_id$pay_slip_id$pay_slip)
+    public function updatePaySlipLineItemsAsync($xero_tenant_id, $pay_slip_id, $pay_slip)
     {
-        return $this->updatePaySlipLineItemsAsyncWithHttpInfo($xero_tenant_id$pay_slip_id$pay_slip)
+        return $this->updatePaySlipLineItemsAsyncWithHttpInfo($xero_tenant_id, $pay_slip_id, $pay_slip)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -17666,10 +17666,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\PaySlip $pay_slip (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updatePaySlipLineItemsAsyncWithHttpInfo($xero_tenant_id$pay_slip_id$pay_slip)
+    public function updatePaySlipLineItemsAsyncWithHttpInfo($xero_tenant_id, $pay_slip_id, $pay_slip)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\PaySlipObject';
-        $request = $this->updatePaySlipLineItemsRequest($xero_tenant_id$pay_slip_id$pay_slip);
+        $request = $this->updatePaySlipLineItemsRequest($xero_tenant_id, $pay_slip_id, $pay_slip);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -17710,7 +17710,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\PaySlip $pay_slip (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updatePaySlipLineItemsRequest($xero_tenant_id$pay_slip_id$pay_slip)
+    protected function updatePaySlipLineItemsRequest($xero_tenant_id, $pay_slip_id, $pay_slip)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -17822,9 +17822,9 @@ protected function updatePaySlipLineItemsRequest($xero_tenant_id$pay_slip_id$pay
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLineObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem
      */
-    public function updateTimesheetLine($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line)
+    public function updateTimesheetLine($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line)
     {
-        list($response) = $this->updateTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line);
+        list($response) = $this->updateTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line);
         return $response;
     }
     /**
@@ -17838,9 +17838,9 @@ public function updateTimesheetLine($xero_tenant_id$timesheet_id$timesheet_line_
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLineObject|\XeroAPI\XeroPHP\Models\PayrollNz\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line)
+    public function updateTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line)
     {
-        $request = $this->updateTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line);
+        $request = $this->updateTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -17935,9 +17935,9 @@ public function updateTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$tim
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateTimesheetLineAsync($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line)
+    public function updateTimesheetLineAsync($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line)
     {
-        return $this->updateTimesheetLineAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line)
+        return $this->updateTimesheetLineAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -17953,10 +17953,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine $timesheet_line (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateTimesheetLineAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line)
+    public function updateTimesheetLineAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLineObject';
-        $request = $this->updateTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line);
+        $request = $this->updateTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -17998,7 +17998,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine $timesheet_line (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line)
+    protected function updateTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
diff --git a/lib/Api/PayrollUkApi.php b/lib/Api/PayrollUkApi.php
index 3df096ba..e54f9d75 100644
--- a/lib/Api/PayrollUkApi.php
+++ b/lib/Api/PayrollUkApi.php
@@ -17,7 +17,7 @@
  * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
@@ -94,9 +94,9 @@ public function getConfig()
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function approveTimesheet($xero_tenant_id$timesheet_id)
+    public function approveTimesheet($xero_tenant_id, $timesheet_id)
     {
-        list($response) = $this->approveTimesheetWithHttpInfo($xero_tenant_id$timesheet_id);
+        list($response) = $this->approveTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id);
         return $response;
     }
     /**
@@ -108,9 +108,9 @@ public function approveTimesheet($xero_tenant_id$timesheet_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function approveTimesheetWithHttpInfo($xero_tenant_id$timesheet_id)
+    public function approveTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id)
     {
-        $request = $this->approveTimesheetRequest($xero_tenant_id$timesheet_id);
+        $request = $this->approveTimesheetRequest($xero_tenant_id, $timesheet_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -203,9 +203,9 @@ public function approveTimesheetWithHttpInfo($xero_tenant_id$timesheet_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function approveTimesheetAsync($xero_tenant_id$timesheet_id)
+    public function approveTimesheetAsync($xero_tenant_id, $timesheet_id)
     {
-        return $this->approveTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
+        return $this->approveTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -219,10 +219,10 @@ function ($response) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function approveTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
+    public function approveTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetObject';
-        $request = $this->approveTimesheetRequest($xero_tenant_id$timesheet_id);
+        $request = $this->approveTimesheetRequest($xero_tenant_id, $timesheet_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -262,7 +262,7 @@ function ($exception) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function approveTimesheetRequest($xero_tenant_id$timesheet_id)
+    protected function approveTimesheetRequest($xero_tenant_id, $timesheet_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -363,9 +363,9 @@ protected function approveTimesheetRequest($xero_tenant_id$timesheet_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\BenefitObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createBenefit($xero_tenant_id$benefit)
+    public function createBenefit($xero_tenant_id, $benefit)
     {
-        list($response) = $this->createBenefitWithHttpInfo($xero_tenant_id$benefit);
+        list($response) = $this->createBenefitWithHttpInfo($xero_tenant_id, $benefit);
         return $response;
     }
     /**
@@ -377,9 +377,9 @@ public function createBenefit($xero_tenant_id$benefit)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\BenefitObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createBenefitWithHttpInfo($xero_tenant_id$benefit)
+    public function createBenefitWithHttpInfo($xero_tenant_id, $benefit)
     {
-        $request = $this->createBenefitRequest($xero_tenant_id$benefit);
+        $request = $this->createBenefitRequest($xero_tenant_id, $benefit);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -472,9 +472,9 @@ public function createBenefitWithHttpInfo($xero_tenant_id$benefit)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createBenefitAsync($xero_tenant_id$benefit)
+    public function createBenefitAsync($xero_tenant_id, $benefit)
     {
-        return $this->createBenefitAsyncWithHttpInfo($xero_tenant_id$benefit)
+        return $this->createBenefitAsyncWithHttpInfo($xero_tenant_id, $benefit)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -488,10 +488,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Benefit $benefit (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createBenefitAsyncWithHttpInfo($xero_tenant_id$benefit)
+    public function createBenefitAsyncWithHttpInfo($xero_tenant_id, $benefit)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\BenefitObject';
-        $request = $this->createBenefitRequest($xero_tenant_id$benefit);
+        $request = $this->createBenefitRequest($xero_tenant_id, $benefit);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -531,7 +531,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Benefit $benefit (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createBenefitRequest($xero_tenant_id$benefit)
+    protected function createBenefitRequest($xero_tenant_id, $benefit)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -627,9 +627,9 @@ protected function createBenefitRequest($xero_tenant_id$benefit)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\DeductionObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createDeduction($xero_tenant_id$deduction)
+    public function createDeduction($xero_tenant_id, $deduction)
     {
-        list($response) = $this->createDeductionWithHttpInfo($xero_tenant_id$deduction);
+        list($response) = $this->createDeductionWithHttpInfo($xero_tenant_id, $deduction);
         return $response;
     }
     /**
@@ -641,9 +641,9 @@ public function createDeduction($xero_tenant_id$deduction)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\DeductionObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createDeductionWithHttpInfo($xero_tenant_id$deduction)
+    public function createDeductionWithHttpInfo($xero_tenant_id, $deduction)
     {
-        $request = $this->createDeductionRequest($xero_tenant_id$deduction);
+        $request = $this->createDeductionRequest($xero_tenant_id, $deduction);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -736,9 +736,9 @@ public function createDeductionWithHttpInfo($xero_tenant_id$deduction)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createDeductionAsync($xero_tenant_id$deduction)
+    public function createDeductionAsync($xero_tenant_id, $deduction)
     {
-        return $this->createDeductionAsyncWithHttpInfo($xero_tenant_id$deduction)
+        return $this->createDeductionAsyncWithHttpInfo($xero_tenant_id, $deduction)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -752,10 +752,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Deduction $deduction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createDeductionAsyncWithHttpInfo($xero_tenant_id$deduction)
+    public function createDeductionAsyncWithHttpInfo($xero_tenant_id, $deduction)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\DeductionObject';
-        $request = $this->createDeductionRequest($xero_tenant_id$deduction);
+        $request = $this->createDeductionRequest($xero_tenant_id, $deduction);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -795,7 +795,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Deduction $deduction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createDeductionRequest($xero_tenant_id$deduction)
+    protected function createDeductionRequest($xero_tenant_id, $deduction)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -891,9 +891,9 @@ protected function createDeductionRequest($xero_tenant_id$deduction)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EarningsRateObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createEarningsRate($xero_tenant_id$earnings_rate)
+    public function createEarningsRate($xero_tenant_id, $earnings_rate)
     {
-        list($response) = $this->createEarningsRateWithHttpInfo($xero_tenant_id$earnings_rate);
+        list($response) = $this->createEarningsRateWithHttpInfo($xero_tenant_id, $earnings_rate);
         return $response;
     }
     /**
@@ -905,9 +905,9 @@ public function createEarningsRate($xero_tenant_id$earnings_rate)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EarningsRateObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEarningsRateWithHttpInfo($xero_tenant_id$earnings_rate)
+    public function createEarningsRateWithHttpInfo($xero_tenant_id, $earnings_rate)
     {
-        $request = $this->createEarningsRateRequest($xero_tenant_id$earnings_rate);
+        $request = $this->createEarningsRateRequest($xero_tenant_id, $earnings_rate);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1000,9 +1000,9 @@ public function createEarningsRateWithHttpInfo($xero_tenant_id$earnings_rate)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEarningsRateAsync($xero_tenant_id$earnings_rate)
+    public function createEarningsRateAsync($xero_tenant_id, $earnings_rate)
     {
-        return $this->createEarningsRateAsyncWithHttpInfo($xero_tenant_id$earnings_rate)
+        return $this->createEarningsRateAsyncWithHttpInfo($xero_tenant_id, $earnings_rate)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1016,10 +1016,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EarningsRate $earnings_rate (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEarningsRateAsyncWithHttpInfo($xero_tenant_id$earnings_rate)
+    public function createEarningsRateAsyncWithHttpInfo($xero_tenant_id, $earnings_rate)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsRateObject';
-        $request = $this->createEarningsRateRequest($xero_tenant_id$earnings_rate);
+        $request = $this->createEarningsRateRequest($xero_tenant_id, $earnings_rate);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1059,7 +1059,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EarningsRate $earnings_rate (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEarningsRateRequest($xero_tenant_id$earnings_rate)
+    protected function createEarningsRateRequest($xero_tenant_id, $earnings_rate)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1155,9 +1155,9 @@ protected function createEarningsRateRequest($xero_tenant_id$earnings_rate)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createEmployee($xero_tenant_id$employee)
+    public function createEmployee($xero_tenant_id, $employee)
     {
-        list($response) = $this->createEmployeeWithHttpInfo($xero_tenant_id$employee);
+        list($response) = $this->createEmployeeWithHttpInfo($xero_tenant_id, $employee);
         return $response;
     }
     /**
@@ -1169,9 +1169,9 @@ public function createEmployee($xero_tenant_id$employee)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeWithHttpInfo($xero_tenant_id$employee)
+    public function createEmployeeWithHttpInfo($xero_tenant_id, $employee)
     {
-        $request = $this->createEmployeeRequest($xero_tenant_id$employee);
+        $request = $this->createEmployeeRequest($xero_tenant_id, $employee);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1264,9 +1264,9 @@ public function createEmployeeWithHttpInfo($xero_tenant_id$employee)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeAsync($xero_tenant_id$employee)
+    public function createEmployeeAsync($xero_tenant_id, $employee)
     {
-        return $this->createEmployeeAsyncWithHttpInfo($xero_tenant_id$employee)
+        return $this->createEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1280,10 +1280,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Employee $employee (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeAsyncWithHttpInfo($xero_tenant_id$employee)
+    public function createEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeObject';
-        $request = $this->createEmployeeRequest($xero_tenant_id$employee);
+        $request = $this->createEmployeeRequest($xero_tenant_id, $employee);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1323,7 +1323,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Employee $employee (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeRequest($xero_tenant_id$employee)
+    protected function createEmployeeRequest($xero_tenant_id, $employee)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1420,9 +1420,9 @@ protected function createEmployeeRequest($xero_tenant_id$employee)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplateObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createEmployeeEarningsTemplate($xero_tenant_id$employee_id$earnings_template)
+    public function createEmployeeEarningsTemplate($xero_tenant_id, $employee_id, $earnings_template)
     {
-        list($response) = $this->createEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$earnings_template);
+        list($response) = $this->createEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template);
         return $response;
     }
     /**
@@ -1435,9 +1435,9 @@ public function createEmployeeEarningsTemplate($xero_tenant_id$employee_id$earni
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplateObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$earnings_template)
+    public function createEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template)
     {
-        $request = $this->createEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$earnings_template);
+        $request = $this->createEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $earnings_template);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1531,9 +1531,9 @@ public function createEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$emplo
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeEarningsTemplateAsync($xero_tenant_id$employee_id$earnings_template)
+    public function createEmployeeEarningsTemplateAsync($xero_tenant_id, $employee_id, $earnings_template)
     {
-        return $this->createEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$earnings_template)
+        return $this->createEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1548,10 +1548,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplate $earnings_template (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$earnings_template)
+    public function createEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplateObject';
-        $request = $this->createEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$earnings_template);
+        $request = $this->createEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $earnings_template);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1592,7 +1592,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplate $earnings_template (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$earnings_template)
+    protected function createEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $earnings_template)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1703,9 +1703,9 @@ protected function createEmployeeEarningsTemplateRequest($xero_tenant_id$employe
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createEmployeeLeave($xero_tenant_id$employee_id$employee_leave)
+    public function createEmployeeLeave($xero_tenant_id, $employee_id, $employee_leave)
     {
-        list($response) = $this->createEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$employee_leave);
+        list($response) = $this->createEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave);
         return $response;
     }
     /**
@@ -1718,9 +1718,9 @@ public function createEmployeeLeave($xero_tenant_id$employee_id$employee_leave)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$employee_leave)
+    public function createEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave)
     {
-        $request = $this->createEmployeeLeaveRequest($xero_tenant_id$employee_id$employee_leave);
+        $request = $this->createEmployeeLeaveRequest($xero_tenant_id, $employee_id, $employee_leave);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1814,9 +1814,9 @@ public function createEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$empl
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeLeaveAsync($xero_tenant_id$employee_id$employee_leave)
+    public function createEmployeeLeaveAsync($xero_tenant_id, $employee_id, $employee_leave)
     {
-        return $this->createEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_leave)
+        return $this->createEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1831,10 +1831,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeave $employee_leave (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_leave)
+    public function createEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveObject';
-        $request = $this->createEmployeeLeaveRequest($xero_tenant_id$employee_id$employee_leave);
+        $request = $this->createEmployeeLeaveRequest($xero_tenant_id, $employee_id, $employee_leave);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1875,7 +1875,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeave $employee_leave (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeLeaveRequest($xero_tenant_id$employee_id$employee_leave)
+    protected function createEmployeeLeaveRequest($xero_tenant_id, $employee_id, $employee_leave)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1986,9 +1986,9 @@ protected function createEmployeeLeaveRequest($xero_tenant_id$employee_id$employ
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveTypeObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createEmployeeLeaveType($xero_tenant_id$employee_id$employee_leave_type)
+    public function createEmployeeLeaveType($xero_tenant_id, $employee_id, $employee_leave_type)
     {
-        list($response) = $this->createEmployeeLeaveTypeWithHttpInfo($xero_tenant_id$employee_id$employee_leave_type);
+        list($response) = $this->createEmployeeLeaveTypeWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave_type);
         return $response;
     }
     /**
@@ -2001,9 +2001,9 @@ public function createEmployeeLeaveType($xero_tenant_id$employee_id$employee_lea
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveTypeObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeLeaveTypeWithHttpInfo($xero_tenant_id$employee_id$employee_leave_type)
+    public function createEmployeeLeaveTypeWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave_type)
     {
-        $request = $this->createEmployeeLeaveTypeRequest($xero_tenant_id$employee_id$employee_leave_type);
+        $request = $this->createEmployeeLeaveTypeRequest($xero_tenant_id, $employee_id, $employee_leave_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2097,9 +2097,9 @@ public function createEmployeeLeaveTypeWithHttpInfo($xero_tenant_id$employee_id$
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeLeaveTypeAsync($xero_tenant_id$employee_id$employee_leave_type)
+    public function createEmployeeLeaveTypeAsync($xero_tenant_id, $employee_id, $employee_leave_type)
     {
-        return $this->createEmployeeLeaveTypeAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_leave_type)
+        return $this->createEmployeeLeaveTypeAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2114,10 +2114,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveType $employee_leave_type (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeLeaveTypeAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_leave_type)
+    public function createEmployeeLeaveTypeAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_leave_type)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveTypeObject';
-        $request = $this->createEmployeeLeaveTypeRequest($xero_tenant_id$employee_id$employee_leave_type);
+        $request = $this->createEmployeeLeaveTypeRequest($xero_tenant_id, $employee_id, $employee_leave_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2158,7 +2158,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveType $employee_leave_type (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeLeaveTypeRequest($xero_tenant_id$employee_id$employee_leave_type)
+    protected function createEmployeeLeaveTypeRequest($xero_tenant_id, $employee_id, $employee_leave_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2269,9 +2269,9 @@ protected function createEmployeeLeaveTypeRequest($xero_tenant_id$employee_id$em
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalancesObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createEmployeeOpeningBalances($xero_tenant_id$employee_id$employee_opening_balances)
+    public function createEmployeeOpeningBalances($xero_tenant_id, $employee_id, $employee_opening_balances)
     {
-        list($response) = $this->createEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id$employee_id$employee_opening_balances);
+        list($response) = $this->createEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id, $employee_id, $employee_opening_balances);
         return $response;
     }
     /**
@@ -2284,9 +2284,9 @@ public function createEmployeeOpeningBalances($xero_tenant_id$employee_id$employ
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalancesObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id$employee_id$employee_opening_balances)
+    public function createEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id, $employee_id, $employee_opening_balances)
     {
-        $request = $this->createEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id$employee_opening_balances);
+        $request = $this->createEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id, $employee_opening_balances);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2380,9 +2380,9 @@ public function createEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id$employ
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeOpeningBalancesAsync($xero_tenant_id$employee_id$employee_opening_balances)
+    public function createEmployeeOpeningBalancesAsync($xero_tenant_id, $employee_id, $employee_opening_balances)
     {
-        return $this->createEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_opening_balances)
+        return $this->createEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_opening_balances)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2397,10 +2397,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalances $employee_opening_balances (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_opening_balances)
+    public function createEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_opening_balances)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalancesObject';
-        $request = $this->createEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id$employee_opening_balances);
+        $request = $this->createEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id, $employee_opening_balances);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2441,7 +2441,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalances $employee_opening_balances (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id$employee_opening_balances)
+    protected function createEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id, $employee_opening_balances)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2552,9 +2552,9 @@ protected function createEmployeeOpeningBalancesRequest($xero_tenant_id$employee
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\PaymentMethodObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createEmployeePaymentMethod($xero_tenant_id$employee_id$payment_method)
+    public function createEmployeePaymentMethod($xero_tenant_id, $employee_id, $payment_method)
     {
-        list($response) = $this->createEmployeePaymentMethodWithHttpInfo($xero_tenant_id$employee_id$payment_method);
+        list($response) = $this->createEmployeePaymentMethodWithHttpInfo($xero_tenant_id, $employee_id, $payment_method);
         return $response;
     }
     /**
@@ -2567,9 +2567,9 @@ public function createEmployeePaymentMethod($xero_tenant_id$employee_id$payment_
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\PaymentMethodObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeePaymentMethodWithHttpInfo($xero_tenant_id$employee_id$payment_method)
+    public function createEmployeePaymentMethodWithHttpInfo($xero_tenant_id, $employee_id, $payment_method)
     {
-        $request = $this->createEmployeePaymentMethodRequest($xero_tenant_id$employee_id$payment_method);
+        $request = $this->createEmployeePaymentMethodRequest($xero_tenant_id, $employee_id, $payment_method);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2663,9 +2663,9 @@ public function createEmployeePaymentMethodWithHttpInfo($xero_tenant_id$employee
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeePaymentMethodAsync($xero_tenant_id$employee_id$payment_method)
+    public function createEmployeePaymentMethodAsync($xero_tenant_id, $employee_id, $payment_method)
     {
-        return $this->createEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id$employee_id$payment_method)
+        return $this->createEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id, $employee_id, $payment_method)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2680,10 +2680,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\PaymentMethod $payment_method (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id$employee_id$payment_method)
+    public function createEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id, $employee_id, $payment_method)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\PaymentMethodObject';
-        $request = $this->createEmployeePaymentMethodRequest($xero_tenant_id$employee_id$payment_method);
+        $request = $this->createEmployeePaymentMethodRequest($xero_tenant_id, $employee_id, $payment_method);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2724,7 +2724,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\PaymentMethod $payment_method (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeePaymentMethodRequest($xero_tenant_id$employee_id$payment_method)
+    protected function createEmployeePaymentMethodRequest($xero_tenant_id, $employee_id, $payment_method)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2835,9 +2835,9 @@ protected function createEmployeePaymentMethodRequest($xero_tenant_id$employee_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWageObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createEmployeeSalaryAndWage($xero_tenant_id$employee_id$salary_and_wage)
+    public function createEmployeeSalaryAndWage($xero_tenant_id, $employee_id, $salary_and_wage)
     {
-        list($response) = $this->createEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wage);
+        list($response) = $this->createEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wage);
         return $response;
     }
     /**
@@ -2850,9 +2850,9 @@ public function createEmployeeSalaryAndWage($xero_tenant_id$employee_id$salary_a
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWageObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wage)
+    public function createEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wage)
     {
-        $request = $this->createEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wage);
+        $request = $this->createEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wage);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2946,9 +2946,9 @@ public function createEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeSalaryAndWageAsync($xero_tenant_id$employee_id$salary_and_wage)
+    public function createEmployeeSalaryAndWageAsync($xero_tenant_id, $employee_id, $salary_and_wage)
     {
-        return $this->createEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wage)
+        return $this->createEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wage)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2963,10 +2963,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWage $salary_and_wage (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wage)
+    public function createEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wage)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWageObject';
-        $request = $this->createEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wage);
+        $request = $this->createEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wage);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3007,7 +3007,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWage $salary_and_wage (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wage)
+    protected function createEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wage)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3117,9 +3117,9 @@ protected function createEmployeeSalaryAndWageRequest($xero_tenant_id$employee_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutorySickLeaveObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createEmployeeStatutorySickLeave($xero_tenant_id$employee_statutory_sick_leave)
+    public function createEmployeeStatutorySickLeave($xero_tenant_id, $employee_statutory_sick_leave)
     {
-        list($response) = $this->createEmployeeStatutorySickLeaveWithHttpInfo($xero_tenant_id$employee_statutory_sick_leave);
+        list($response) = $this->createEmployeeStatutorySickLeaveWithHttpInfo($xero_tenant_id, $employee_statutory_sick_leave);
         return $response;
     }
     /**
@@ -3131,9 +3131,9 @@ public function createEmployeeStatutorySickLeave($xero_tenant_id$employee_statut
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutorySickLeaveObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmployeeStatutorySickLeaveWithHttpInfo($xero_tenant_id$employee_statutory_sick_leave)
+    public function createEmployeeStatutorySickLeaveWithHttpInfo($xero_tenant_id, $employee_statutory_sick_leave)
     {
-        $request = $this->createEmployeeStatutorySickLeaveRequest($xero_tenant_id$employee_statutory_sick_leave);
+        $request = $this->createEmployeeStatutorySickLeaveRequest($xero_tenant_id, $employee_statutory_sick_leave);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3226,9 +3226,9 @@ public function createEmployeeStatutorySickLeaveWithHttpInfo($xero_tenant_id$emp
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmployeeStatutorySickLeaveAsync($xero_tenant_id$employee_statutory_sick_leave)
+    public function createEmployeeStatutorySickLeaveAsync($xero_tenant_id, $employee_statutory_sick_leave)
     {
-        return $this->createEmployeeStatutorySickLeaveAsyncWithHttpInfo($xero_tenant_id$employee_statutory_sick_leave)
+        return $this->createEmployeeStatutorySickLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_statutory_sick_leave)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3242,10 +3242,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutorySickLeave $employee_statutory_sick_leave (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmployeeStatutorySickLeaveAsyncWithHttpInfo($xero_tenant_id$employee_statutory_sick_leave)
+    public function createEmployeeStatutorySickLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_statutory_sick_leave)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutorySickLeaveObject';
-        $request = $this->createEmployeeStatutorySickLeaveRequest($xero_tenant_id$employee_statutory_sick_leave);
+        $request = $this->createEmployeeStatutorySickLeaveRequest($xero_tenant_id, $employee_statutory_sick_leave);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3285,7 +3285,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutorySickLeave $employee_statutory_sick_leave (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmployeeStatutorySickLeaveRequest($xero_tenant_id$employee_statutory_sick_leave)
+    protected function createEmployeeStatutorySickLeaveRequest($xero_tenant_id, $employee_statutory_sick_leave)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3382,9 +3382,9 @@ protected function createEmployeeStatutorySickLeaveRequest($xero_tenant_id$emplo
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmploymentObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createEmployment($xero_tenant_id$employee_id$employment)
+    public function createEmployment($xero_tenant_id, $employee_id, $employment)
     {
-        list($response) = $this->createEmploymentWithHttpInfo($xero_tenant_id$employee_id$employment);
+        list($response) = $this->createEmploymentWithHttpInfo($xero_tenant_id, $employee_id, $employment);
         return $response;
     }
     /**
@@ -3397,9 +3397,9 @@ public function createEmployment($xero_tenant_id$employee_id$employment)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmploymentObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createEmploymentWithHttpInfo($xero_tenant_id$employee_id$employment)
+    public function createEmploymentWithHttpInfo($xero_tenant_id, $employee_id, $employment)
     {
-        $request = $this->createEmploymentRequest($xero_tenant_id$employee_id$employment);
+        $request = $this->createEmploymentRequest($xero_tenant_id, $employee_id, $employment);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3493,9 +3493,9 @@ public function createEmploymentWithHttpInfo($xero_tenant_id$employee_id$employm
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createEmploymentAsync($xero_tenant_id$employee_id$employment)
+    public function createEmploymentAsync($xero_tenant_id, $employee_id, $employment)
     {
-        return $this->createEmploymentAsyncWithHttpInfo($xero_tenant_id$employee_id$employment)
+        return $this->createEmploymentAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employment)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3510,10 +3510,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Employment $employment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createEmploymentAsyncWithHttpInfo($xero_tenant_id$employee_id$employment)
+    public function createEmploymentAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employment)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmploymentObject';
-        $request = $this->createEmploymentRequest($xero_tenant_id$employee_id$employment);
+        $request = $this->createEmploymentRequest($xero_tenant_id, $employee_id, $employment);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3554,7 +3554,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Employment $employment (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createEmploymentRequest($xero_tenant_id$employee_id$employment)
+    protected function createEmploymentRequest($xero_tenant_id, $employee_id, $employment)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3664,9 +3664,9 @@ protected function createEmploymentRequest($xero_tenant_id$employee_id$employmen
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\LeaveTypeObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createLeaveType($xero_tenant_id$leave_type)
+    public function createLeaveType($xero_tenant_id, $leave_type)
     {
-        list($response) = $this->createLeaveTypeWithHttpInfo($xero_tenant_id$leave_type);
+        list($response) = $this->createLeaveTypeWithHttpInfo($xero_tenant_id, $leave_type);
         return $response;
     }
     /**
@@ -3678,9 +3678,9 @@ public function createLeaveType($xero_tenant_id$leave_type)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\LeaveTypeObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createLeaveTypeWithHttpInfo($xero_tenant_id$leave_type)
+    public function createLeaveTypeWithHttpInfo($xero_tenant_id, $leave_type)
     {
-        $request = $this->createLeaveTypeRequest($xero_tenant_id$leave_type);
+        $request = $this->createLeaveTypeRequest($xero_tenant_id, $leave_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3773,9 +3773,9 @@ public function createLeaveTypeWithHttpInfo($xero_tenant_id$leave_type)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createLeaveTypeAsync($xero_tenant_id$leave_type)
+    public function createLeaveTypeAsync($xero_tenant_id, $leave_type)
     {
-        return $this->createLeaveTypeAsyncWithHttpInfo($xero_tenant_id$leave_type)
+        return $this->createLeaveTypeAsyncWithHttpInfo($xero_tenant_id, $leave_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3789,10 +3789,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\LeaveType $leave_type (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createLeaveTypeAsyncWithHttpInfo($xero_tenant_id$leave_type)
+    public function createLeaveTypeAsyncWithHttpInfo($xero_tenant_id, $leave_type)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\LeaveTypeObject';
-        $request = $this->createLeaveTypeRequest($xero_tenant_id$leave_type);
+        $request = $this->createLeaveTypeRequest($xero_tenant_id, $leave_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3832,7 +3832,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\LeaveType $leave_type (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createLeaveTypeRequest($xero_tenant_id$leave_type)
+    protected function createLeaveTypeRequest($xero_tenant_id, $leave_type)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3929,9 +3929,9 @@ protected function createLeaveTypeRequest($xero_tenant_id$leave_type)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeePayTemplates|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createMultipleEmployeeEarningsTemplate($xero_tenant_id$employee_id$earnings_template)
+    public function createMultipleEmployeeEarningsTemplate($xero_tenant_id, $employee_id, $earnings_template)
     {
-        list($response) = $this->createMultipleEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$earnings_template);
+        list($response) = $this->createMultipleEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template);
         return $response;
     }
     /**
@@ -3944,9 +3944,9 @@ public function createMultipleEmployeeEarningsTemplate($xero_tenant_id$employee_
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeePayTemplates|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createMultipleEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$earnings_template)
+    public function createMultipleEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template)
     {
-        $request = $this->createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$earnings_template);
+        $request = $this->createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $earnings_template);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4040,9 +4040,9 @@ public function createMultipleEmployeeEarningsTemplateWithHttpInfo($xero_tenant_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createMultipleEmployeeEarningsTemplateAsync($xero_tenant_id$employee_id$earnings_template)
+    public function createMultipleEmployeeEarningsTemplateAsync($xero_tenant_id, $employee_id, $earnings_template)
     {
-        return $this->createMultipleEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$earnings_template)
+        return $this->createMultipleEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4057,10 +4057,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplate[] $earnings_template (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createMultipleEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$earnings_template)
+    public function createMultipleEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $earnings_template)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeePayTemplates';
-        $request = $this->createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$earnings_template);
+        $request = $this->createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $earnings_template);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4101,7 +4101,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplate[] $earnings_template (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$earnings_template)
+    protected function createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $earnings_template)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4211,9 +4211,9 @@ protected function createMultipleEmployeeEarningsTemplateRequest($xero_tenant_id
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendarObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createPayRunCalendar($xero_tenant_id$pay_run_calendar)
+    public function createPayRunCalendar($xero_tenant_id, $pay_run_calendar)
     {
-        list($response) = $this->createPayRunCalendarWithHttpInfo($xero_tenant_id$pay_run_calendar);
+        list($response) = $this->createPayRunCalendarWithHttpInfo($xero_tenant_id, $pay_run_calendar);
         return $response;
     }
     /**
@@ -4225,9 +4225,9 @@ public function createPayRunCalendar($xero_tenant_id$pay_run_calendar)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendarObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createPayRunCalendarWithHttpInfo($xero_tenant_id$pay_run_calendar)
+    public function createPayRunCalendarWithHttpInfo($xero_tenant_id, $pay_run_calendar)
     {
-        $request = $this->createPayRunCalendarRequest($xero_tenant_id$pay_run_calendar);
+        $request = $this->createPayRunCalendarRequest($xero_tenant_id, $pay_run_calendar);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4320,9 +4320,9 @@ public function createPayRunCalendarWithHttpInfo($xero_tenant_id$pay_run_calenda
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createPayRunCalendarAsync($xero_tenant_id$pay_run_calendar)
+    public function createPayRunCalendarAsync($xero_tenant_id, $pay_run_calendar)
     {
-        return $this->createPayRunCalendarAsyncWithHttpInfo($xero_tenant_id$pay_run_calendar)
+        return $this->createPayRunCalendarAsyncWithHttpInfo($xero_tenant_id, $pay_run_calendar)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4336,10 +4336,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendar $pay_run_calendar (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createPayRunCalendarAsyncWithHttpInfo($xero_tenant_id$pay_run_calendar)
+    public function createPayRunCalendarAsyncWithHttpInfo($xero_tenant_id, $pay_run_calendar)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendarObject';
-        $request = $this->createPayRunCalendarRequest($xero_tenant_id$pay_run_calendar);
+        $request = $this->createPayRunCalendarRequest($xero_tenant_id, $pay_run_calendar);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4379,7 +4379,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendar $pay_run_calendar (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createPayRunCalendarRequest($xero_tenant_id$pay_run_calendar)
+    protected function createPayRunCalendarRequest($xero_tenant_id, $pay_run_calendar)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4475,9 +4475,9 @@ protected function createPayRunCalendarRequest($xero_tenant_id$pay_run_calendar)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\ReimbursementObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createReimbursement($xero_tenant_id$reimbursement)
+    public function createReimbursement($xero_tenant_id, $reimbursement)
     {
-        list($response) = $this->createReimbursementWithHttpInfo($xero_tenant_id$reimbursement);
+        list($response) = $this->createReimbursementWithHttpInfo($xero_tenant_id, $reimbursement);
         return $response;
     }
     /**
@@ -4489,9 +4489,9 @@ public function createReimbursement($xero_tenant_id$reimbursement)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\ReimbursementObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createReimbursementWithHttpInfo($xero_tenant_id$reimbursement)
+    public function createReimbursementWithHttpInfo($xero_tenant_id, $reimbursement)
     {
-        $request = $this->createReimbursementRequest($xero_tenant_id$reimbursement);
+        $request = $this->createReimbursementRequest($xero_tenant_id, $reimbursement);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4584,9 +4584,9 @@ public function createReimbursementWithHttpInfo($xero_tenant_id$reimbursement)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createReimbursementAsync($xero_tenant_id$reimbursement)
+    public function createReimbursementAsync($xero_tenant_id, $reimbursement)
     {
-        return $this->createReimbursementAsyncWithHttpInfo($xero_tenant_id$reimbursement)
+        return $this->createReimbursementAsyncWithHttpInfo($xero_tenant_id, $reimbursement)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4600,10 +4600,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Reimbursement $reimbursement (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createReimbursementAsyncWithHttpInfo($xero_tenant_id$reimbursement)
+    public function createReimbursementAsyncWithHttpInfo($xero_tenant_id, $reimbursement)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\ReimbursementObject';
-        $request = $this->createReimbursementRequest($xero_tenant_id$reimbursement);
+        $request = $this->createReimbursementRequest($xero_tenant_id, $reimbursement);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4643,7 +4643,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Reimbursement $reimbursement (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createReimbursementRequest($xero_tenant_id$reimbursement)
+    protected function createReimbursementRequest($xero_tenant_id, $reimbursement)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -4739,9 +4739,9 @@ protected function createReimbursementRequest($xero_tenant_id$reimbursement)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createTimesheet($xero_tenant_id$timesheet)
+    public function createTimesheet($xero_tenant_id, $timesheet)
     {
-        list($response) = $this->createTimesheetWithHttpInfo($xero_tenant_id$timesheet);
+        list($response) = $this->createTimesheetWithHttpInfo($xero_tenant_id, $timesheet);
         return $response;
     }
     /**
@@ -4753,9 +4753,9 @@ public function createTimesheet($xero_tenant_id$timesheet)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createTimesheetWithHttpInfo($xero_tenant_id$timesheet)
+    public function createTimesheetWithHttpInfo($xero_tenant_id, $timesheet)
     {
-        $request = $this->createTimesheetRequest($xero_tenant_id$timesheet);
+        $request = $this->createTimesheetRequest($xero_tenant_id, $timesheet);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -4848,9 +4848,9 @@ public function createTimesheetWithHttpInfo($xero_tenant_id$timesheet)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createTimesheetAsync($xero_tenant_id$timesheet)
+    public function createTimesheetAsync($xero_tenant_id, $timesheet)
     {
-        return $this->createTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet)
+        return $this->createTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -4864,10 +4864,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Timesheet $timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet)
+    public function createTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetObject';
-        $request = $this->createTimesheetRequest($xero_tenant_id$timesheet);
+        $request = $this->createTimesheetRequest($xero_tenant_id, $timesheet);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -4907,7 +4907,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Timesheet $timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createTimesheetRequest($xero_tenant_id$timesheet)
+    protected function createTimesheetRequest($xero_tenant_id, $timesheet)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5004,9 +5004,9 @@ protected function createTimesheetRequest($xero_tenant_id$timesheet)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLineObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function createTimesheetLine($xero_tenant_id$timesheet_id$timesheet_line)
+    public function createTimesheetLine($xero_tenant_id, $timesheet_id, $timesheet_line)
     {
-        list($response) = $this->createTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line);
+        list($response) = $this->createTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line);
         return $response;
     }
     /**
@@ -5019,9 +5019,9 @@ public function createTimesheetLine($xero_tenant_id$timesheet_id$timesheet_line)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLineObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line)
+    public function createTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line)
     {
-        $request = $this->createTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line);
+        $request = $this->createTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5115,9 +5115,9 @@ public function createTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$tim
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createTimesheetLineAsync($xero_tenant_id$timesheet_id$timesheet_line)
+    public function createTimesheetLineAsync($xero_tenant_id, $timesheet_id, $timesheet_line)
     {
-        return $this->createTimesheetLineAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line)
+        return $this->createTimesheetLineAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5132,10 +5132,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine $timesheet_line (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createTimesheetLineAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line)
+    public function createTimesheetLineAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLineObject';
-        $request = $this->createTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line);
+        $request = $this->createTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5176,7 +5176,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine $timesheet_line (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line)
+    protected function createTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5287,9 +5287,9 @@ protected function createTimesheetLineRequest($xero_tenant_id$timesheet_id$times
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function deleteEmployeeEarningsTemplate($xero_tenant_id$employee_id$pay_template_earning_id)
+    public function deleteEmployeeEarningsTemplate($xero_tenant_id, $employee_id, $pay_template_earning_id)
     {
-        $this->deleteEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id);
+        $this->deleteEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id);
     }
     /**
      * Operation deleteEmployeeEarningsTemplateWithHttpInfo
@@ -5301,9 +5301,9 @@ public function deleteEmployeeEarningsTemplate($xero_tenant_id$employee_id$pay_t
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id)
+    public function deleteEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id)
     {
-        $request = $this->deleteEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$pay_template_earning_id);
+        $request = $this->deleteEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $pay_template_earning_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5345,9 +5345,9 @@ public function deleteEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$emplo
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteEmployeeEarningsTemplateAsync($xero_tenant_id$employee_id$pay_template_earning_id)
+    public function deleteEmployeeEarningsTemplateAsync($xero_tenant_id, $employee_id, $pay_template_earning_id)
     {
-        return $this->deleteEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id)
+        return $this->deleteEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5362,10 +5362,10 @@ function ($response) {
      * @param  string $pay_template_earning_id Id for single pay template earnings object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id)
+    public function deleteEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id)
     {
         $returnType = '';
-        $request = $this->deleteEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$pay_template_earning_id);
+        $request = $this->deleteEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $pay_template_earning_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5396,7 +5396,7 @@ function ($exception) {
      * @param  string $pay_template_earning_id Id for single pay template earnings object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$pay_template_earning_id)
+    protected function deleteEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $pay_template_earning_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5512,9 +5512,9 @@ protected function deleteEmployeeEarningsTemplateRequest($xero_tenant_id$employe
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveObject
      */
-    public function deleteEmployeeLeave($xero_tenant_id$employee_id$leave_id)
+    public function deleteEmployeeLeave($xero_tenant_id, $employee_id, $leave_id)
     {
-        list($response) = $this->deleteEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$leave_id);
+        list($response) = $this->deleteEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $leave_id);
         return $response;
     }
     /**
@@ -5527,9 +5527,9 @@ public function deleteEmployeeLeave($xero_tenant_id$employee_id$leave_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$leave_id)
+    public function deleteEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $leave_id)
     {
-        $request = $this->deleteEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id);
+        $request = $this->deleteEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5604,9 +5604,9 @@ public function deleteEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$leav
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteEmployeeLeaveAsync($xero_tenant_id$employee_id$leave_id)
+    public function deleteEmployeeLeaveAsync($xero_tenant_id, $employee_id, $leave_id)
     {
-        return $this->deleteEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$leave_id)
+        return $this->deleteEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $leave_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5621,10 +5621,10 @@ function ($response) {
      * @param  string $leave_id Leave id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$leave_id)
+    public function deleteEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $leave_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveObject';
-        $request = $this->deleteEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id);
+        $request = $this->deleteEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5665,7 +5665,7 @@ function ($exception) {
      * @param  string $leave_id Leave id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id)
+    protected function deleteEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -5781,9 +5781,9 @@ protected function deleteEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function deleteEmployeeSalaryAndWage($xero_tenant_id$employee_id$salary_and_wages_id)
+    public function deleteEmployeeSalaryAndWage($xero_tenant_id, $employee_id, $salary_and_wages_id)
     {
-        $this->deleteEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id);
+        $this->deleteEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id);
     }
     /**
      * Operation deleteEmployeeSalaryAndWageWithHttpInfo
@@ -5795,9 +5795,9 @@ public function deleteEmployeeSalaryAndWage($xero_tenant_id$employee_id$salary_a
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id)
+    public function deleteEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id)
     {
-        $request = $this->deleteEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id);
+        $request = $this->deleteEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -5839,9 +5839,9 @@ public function deleteEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteEmployeeSalaryAndWageAsync($xero_tenant_id$employee_id$salary_and_wages_id)
+    public function deleteEmployeeSalaryAndWageAsync($xero_tenant_id, $employee_id, $salary_and_wages_id)
     {
-        return $this->deleteEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id)
+        return $this->deleteEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -5856,10 +5856,10 @@ function ($response) {
      * @param  string $salary_and_wages_id Id for single salary and wages object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id)
+    public function deleteEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id)
     {
         $returnType = '';
-        $request = $this->deleteEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id);
+        $request = $this->deleteEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -5890,7 +5890,7 @@ function ($exception) {
      * @param  string $salary_and_wages_id Id for single salary and wages object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id)
+    protected function deleteEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6005,9 +6005,9 @@ protected function deleteEmployeeSalaryAndWageRequest($xero_tenant_id$employee_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function deleteTimesheet($xero_tenant_id$timesheet_id)
+    public function deleteTimesheet($xero_tenant_id, $timesheet_id)
     {
-        list($response) = $this->deleteTimesheetWithHttpInfo($xero_tenant_id$timesheet_id);
+        list($response) = $this->deleteTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id);
         return $response;
     }
     /**
@@ -6019,9 +6019,9 @@ public function deleteTimesheet($xero_tenant_id$timesheet_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteTimesheetWithHttpInfo($xero_tenant_id$timesheet_id)
+    public function deleteTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id)
     {
-        $request = $this->deleteTimesheetRequest($xero_tenant_id$timesheet_id);
+        $request = $this->deleteTimesheetRequest($xero_tenant_id, $timesheet_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6114,9 +6114,9 @@ public function deleteTimesheetWithHttpInfo($xero_tenant_id$timesheet_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteTimesheetAsync($xero_tenant_id$timesheet_id)
+    public function deleteTimesheetAsync($xero_tenant_id, $timesheet_id)
     {
-        return $this->deleteTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
+        return $this->deleteTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6130,10 +6130,10 @@ function ($response) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
+    public function deleteTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine';
-        $request = $this->deleteTimesheetRequest($xero_tenant_id$timesheet_id);
+        $request = $this->deleteTimesheetRequest($xero_tenant_id, $timesheet_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -6173,7 +6173,7 @@ function ($exception) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteTimesheetRequest($xero_tenant_id$timesheet_id)
+    protected function deleteTimesheetRequest($xero_tenant_id, $timesheet_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6275,9 +6275,9 @@ protected function deleteTimesheetRequest($xero_tenant_id$timesheet_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function deleteTimesheetLine($xero_tenant_id$timesheet_id$timesheet_line_id)
+    public function deleteTimesheetLine($xero_tenant_id, $timesheet_id, $timesheet_line_id)
     {
-        list($response) = $this->deleteTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id);
+        list($response) = $this->deleteTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id);
         return $response;
     }
     /**
@@ -6290,9 +6290,9 @@ public function deleteTimesheetLine($xero_tenant_id$timesheet_id$timesheet_line_
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id)
+    public function deleteTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id)
     {
-        $request = $this->deleteTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line_id);
+        $request = $this->deleteTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6386,9 +6386,9 @@ public function deleteTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$tim
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteTimesheetLineAsync($xero_tenant_id$timesheet_id$timesheet_line_id)
+    public function deleteTimesheetLineAsync($xero_tenant_id, $timesheet_id, $timesheet_line_id)
     {
-        return $this->deleteTimesheetLineAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id)
+        return $this->deleteTimesheetLineAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6403,10 +6403,10 @@ function ($response) {
      * @param  string $timesheet_line_id Identifier for the timesheet line (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteTimesheetLineAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id)
+    public function deleteTimesheetLineAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine';
-        $request = $this->deleteTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line_id);
+        $request = $this->deleteTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -6447,7 +6447,7 @@ function ($exception) {
      * @param  string $timesheet_line_id Identifier for the timesheet line (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line_id)
+    protected function deleteTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6562,9 +6562,9 @@ protected function deleteTimesheetLineRequest($xero_tenant_id$timesheet_id$times
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\BenefitObject
      */
-    public function getBenefit($xero_tenant_id$id)
+    public function getBenefit($xero_tenant_id, $id)
     {
-        list($response) = $this->getBenefitWithHttpInfo($xero_tenant_id$id);
+        list($response) = $this->getBenefitWithHttpInfo($xero_tenant_id, $id);
         return $response;
     }
     /**
@@ -6576,9 +6576,9 @@ public function getBenefit($xero_tenant_id$id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\BenefitObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBenefitWithHttpInfo($xero_tenant_id$id)
+    public function getBenefitWithHttpInfo($xero_tenant_id, $id)
     {
-        $request = $this->getBenefitRequest($xero_tenant_id$id);
+        $request = $this->getBenefitRequest($xero_tenant_id, $id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6652,9 +6652,9 @@ public function getBenefitWithHttpInfo($xero_tenant_id$id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBenefitAsync($xero_tenant_id$id)
+    public function getBenefitAsync($xero_tenant_id, $id)
     {
-        return $this->getBenefitAsyncWithHttpInfo($xero_tenant_id$id)
+        return $this->getBenefitAsyncWithHttpInfo($xero_tenant_id, $id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6668,10 +6668,10 @@ function ($response) {
      * @param  string $id Identifier for the benefit (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBenefitAsyncWithHttpInfo($xero_tenant_id$id)
+    public function getBenefitAsyncWithHttpInfo($xero_tenant_id, $id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\BenefitObject';
-        $request = $this->getBenefitRequest($xero_tenant_id$id);
+        $request = $this->getBenefitRequest($xero_tenant_id, $id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -6711,7 +6711,7 @@ function ($exception) {
      * @param  string $id Identifier for the benefit (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBenefitRequest($xero_tenant_id$id)
+    protected function getBenefitRequest($xero_tenant_id, $id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -6812,9 +6812,9 @@ protected function getBenefitRequest($xero_tenant_id$id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\Benefits
      */
-    public function getBenefits($xero_tenant_id$page = null)
+    public function getBenefits($xero_tenant_id, $page = null)
     {
-        list($response) = $this->getBenefitsWithHttpInfo($xero_tenant_id$page);
+        list($response) = $this->getBenefitsWithHttpInfo($xero_tenant_id, $page);
         return $response;
     }
     /**
@@ -6826,9 +6826,9 @@ public function getBenefits($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\Benefits, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBenefitsWithHttpInfo($xero_tenant_id$page = null)
+    public function getBenefitsWithHttpInfo($xero_tenant_id, $page = null)
     {
-        $request = $this->getBenefitsRequest($xero_tenant_id$page);
+        $request = $this->getBenefitsRequest($xero_tenant_id, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -6902,9 +6902,9 @@ public function getBenefitsWithHttpInfo($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBenefitsAsync($xero_tenant_id$page = null)
+    public function getBenefitsAsync($xero_tenant_id, $page = null)
     {
-        return $this->getBenefitsAsyncWithHttpInfo($xero_tenant_id$page)
+        return $this->getBenefitsAsyncWithHttpInfo($xero_tenant_id, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -6918,10 +6918,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBenefitsAsyncWithHttpInfo($xero_tenant_id$page = null)
+    public function getBenefitsAsyncWithHttpInfo($xero_tenant_id, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\Benefits';
-        $request = $this->getBenefitsRequest($xero_tenant_id$page);
+        $request = $this->getBenefitsRequest($xero_tenant_id, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -6961,7 +6961,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBenefitsRequest($xero_tenant_id$page = null)
+    protected function getBenefitsRequest($xero_tenant_id, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7052,9 +7052,9 @@ protected function getBenefitsRequest($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\DeductionObject
      */
-    public function getDeduction($xero_tenant_id$deduction_id)
+    public function getDeduction($xero_tenant_id, $deduction_id)
     {
-        list($response) = $this->getDeductionWithHttpInfo($xero_tenant_id$deduction_id);
+        list($response) = $this->getDeductionWithHttpInfo($xero_tenant_id, $deduction_id);
         return $response;
     }
     /**
@@ -7066,9 +7066,9 @@ public function getDeduction($xero_tenant_id$deduction_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\DeductionObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getDeductionWithHttpInfo($xero_tenant_id$deduction_id)
+    public function getDeductionWithHttpInfo($xero_tenant_id, $deduction_id)
     {
-        $request = $this->getDeductionRequest($xero_tenant_id$deduction_id);
+        $request = $this->getDeductionRequest($xero_tenant_id, $deduction_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -7142,9 +7142,9 @@ public function getDeductionWithHttpInfo($xero_tenant_id$deduction_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getDeductionAsync($xero_tenant_id$deduction_id)
+    public function getDeductionAsync($xero_tenant_id, $deduction_id)
     {
-        return $this->getDeductionAsyncWithHttpInfo($xero_tenant_id$deduction_id)
+        return $this->getDeductionAsyncWithHttpInfo($xero_tenant_id, $deduction_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -7158,10 +7158,10 @@ function ($response) {
      * @param  string $deduction_id Identifier for the deduction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getDeductionAsyncWithHttpInfo($xero_tenant_id$deduction_id)
+    public function getDeductionAsyncWithHttpInfo($xero_tenant_id, $deduction_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\DeductionObject';
-        $request = $this->getDeductionRequest($xero_tenant_id$deduction_id);
+        $request = $this->getDeductionRequest($xero_tenant_id, $deduction_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7201,7 +7201,7 @@ function ($exception) {
      * @param  string $deduction_id Identifier for the deduction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getDeductionRequest($xero_tenant_id$deduction_id)
+    protected function getDeductionRequest($xero_tenant_id, $deduction_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7302,9 +7302,9 @@ protected function getDeductionRequest($xero_tenant_id$deduction_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\Deductions
      */
-    public function getDeductions($xero_tenant_id$page = null)
+    public function getDeductions($xero_tenant_id, $page = null)
     {
-        list($response) = $this->getDeductionsWithHttpInfo($xero_tenant_id$page);
+        list($response) = $this->getDeductionsWithHttpInfo($xero_tenant_id, $page);
         return $response;
     }
     /**
@@ -7316,9 +7316,9 @@ public function getDeductions($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\Deductions, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getDeductionsWithHttpInfo($xero_tenant_id$page = null)
+    public function getDeductionsWithHttpInfo($xero_tenant_id, $page = null)
     {
-        $request = $this->getDeductionsRequest($xero_tenant_id$page);
+        $request = $this->getDeductionsRequest($xero_tenant_id, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -7392,9 +7392,9 @@ public function getDeductionsWithHttpInfo($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getDeductionsAsync($xero_tenant_id$page = null)
+    public function getDeductionsAsync($xero_tenant_id, $page = null)
     {
-        return $this->getDeductionsAsyncWithHttpInfo($xero_tenant_id$page)
+        return $this->getDeductionsAsyncWithHttpInfo($xero_tenant_id, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -7408,10 +7408,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getDeductionsAsyncWithHttpInfo($xero_tenant_id$page = null)
+    public function getDeductionsAsyncWithHttpInfo($xero_tenant_id, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\Deductions';
-        $request = $this->getDeductionsRequest($xero_tenant_id$page);
+        $request = $this->getDeductionsRequest($xero_tenant_id, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7451,7 +7451,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getDeductionsRequest($xero_tenant_id$page = null)
+    protected function getDeductionsRequest($xero_tenant_id, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7542,9 +7542,9 @@ protected function getDeductionsRequest($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EarningsOrderObject
      */
-    public function getEarningsOrder($xero_tenant_id$id)
+    public function getEarningsOrder($xero_tenant_id, $id)
     {
-        list($response) = $this->getEarningsOrderWithHttpInfo($xero_tenant_id$id);
+        list($response) = $this->getEarningsOrderWithHttpInfo($xero_tenant_id, $id);
         return $response;
     }
     /**
@@ -7556,9 +7556,9 @@ public function getEarningsOrder($xero_tenant_id$id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EarningsOrderObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEarningsOrderWithHttpInfo($xero_tenant_id$id)
+    public function getEarningsOrderWithHttpInfo($xero_tenant_id, $id)
     {
-        $request = $this->getEarningsOrderRequest($xero_tenant_id$id);
+        $request = $this->getEarningsOrderRequest($xero_tenant_id, $id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -7632,9 +7632,9 @@ public function getEarningsOrderWithHttpInfo($xero_tenant_id$id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEarningsOrderAsync($xero_tenant_id$id)
+    public function getEarningsOrderAsync($xero_tenant_id, $id)
     {
-        return $this->getEarningsOrderAsyncWithHttpInfo($xero_tenant_id$id)
+        return $this->getEarningsOrderAsyncWithHttpInfo($xero_tenant_id, $id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -7648,10 +7648,10 @@ function ($response) {
      * @param  string $id Identifier for the deduction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEarningsOrderAsyncWithHttpInfo($xero_tenant_id$id)
+    public function getEarningsOrderAsyncWithHttpInfo($xero_tenant_id, $id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsOrderObject';
-        $request = $this->getEarningsOrderRequest($xero_tenant_id$id);
+        $request = $this->getEarningsOrderRequest($xero_tenant_id, $id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7691,7 +7691,7 @@ function ($exception) {
      * @param  string $id Identifier for the deduction (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEarningsOrderRequest($xero_tenant_id$id)
+    protected function getEarningsOrderRequest($xero_tenant_id, $id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -7792,9 +7792,9 @@ protected function getEarningsOrderRequest($xero_tenant_id$id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EarningsOrders
      */
-    public function getEarningsOrders($xero_tenant_id$page = null)
+    public function getEarningsOrders($xero_tenant_id, $page = null)
     {
-        list($response) = $this->getEarningsOrdersWithHttpInfo($xero_tenant_id$page);
+        list($response) = $this->getEarningsOrdersWithHttpInfo($xero_tenant_id, $page);
         return $response;
     }
     /**
@@ -7806,9 +7806,9 @@ public function getEarningsOrders($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EarningsOrders, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEarningsOrdersWithHttpInfo($xero_tenant_id$page = null)
+    public function getEarningsOrdersWithHttpInfo($xero_tenant_id, $page = null)
     {
-        $request = $this->getEarningsOrdersRequest($xero_tenant_id$page);
+        $request = $this->getEarningsOrdersRequest($xero_tenant_id, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -7882,9 +7882,9 @@ public function getEarningsOrdersWithHttpInfo($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEarningsOrdersAsync($xero_tenant_id$page = null)
+    public function getEarningsOrdersAsync($xero_tenant_id, $page = null)
     {
-        return $this->getEarningsOrdersAsyncWithHttpInfo($xero_tenant_id$page)
+        return $this->getEarningsOrdersAsyncWithHttpInfo($xero_tenant_id, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -7898,10 +7898,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEarningsOrdersAsyncWithHttpInfo($xero_tenant_id$page = null)
+    public function getEarningsOrdersAsyncWithHttpInfo($xero_tenant_id, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsOrders';
-        $request = $this->getEarningsOrdersRequest($xero_tenant_id$page);
+        $request = $this->getEarningsOrdersRequest($xero_tenant_id, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -7941,7 +7941,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEarningsOrdersRequest($xero_tenant_id$page = null)
+    protected function getEarningsOrdersRequest($xero_tenant_id, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -8032,9 +8032,9 @@ protected function getEarningsOrdersRequest($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EarningsRateObject
      */
-    public function getEarningsRate($xero_tenant_id$earnings_rate_id)
+    public function getEarningsRate($xero_tenant_id, $earnings_rate_id)
     {
-        list($response) = $this->getEarningsRateWithHttpInfo($xero_tenant_id$earnings_rate_id);
+        list($response) = $this->getEarningsRateWithHttpInfo($xero_tenant_id, $earnings_rate_id);
         return $response;
     }
     /**
@@ -8046,9 +8046,9 @@ public function getEarningsRate($xero_tenant_id$earnings_rate_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EarningsRateObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEarningsRateWithHttpInfo($xero_tenant_id$earnings_rate_id)
+    public function getEarningsRateWithHttpInfo($xero_tenant_id, $earnings_rate_id)
     {
-        $request = $this->getEarningsRateRequest($xero_tenant_id$earnings_rate_id);
+        $request = $this->getEarningsRateRequest($xero_tenant_id, $earnings_rate_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -8122,9 +8122,9 @@ public function getEarningsRateWithHttpInfo($xero_tenant_id$earnings_rate_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEarningsRateAsync($xero_tenant_id$earnings_rate_id)
+    public function getEarningsRateAsync($xero_tenant_id, $earnings_rate_id)
     {
-        return $this->getEarningsRateAsyncWithHttpInfo($xero_tenant_id$earnings_rate_id)
+        return $this->getEarningsRateAsyncWithHttpInfo($xero_tenant_id, $earnings_rate_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -8138,10 +8138,10 @@ function ($response) {
      * @param  string $earnings_rate_id Identifier for the earnings rate (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEarningsRateAsyncWithHttpInfo($xero_tenant_id$earnings_rate_id)
+    public function getEarningsRateAsyncWithHttpInfo($xero_tenant_id, $earnings_rate_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsRateObject';
-        $request = $this->getEarningsRateRequest($xero_tenant_id$earnings_rate_id);
+        $request = $this->getEarningsRateRequest($xero_tenant_id, $earnings_rate_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -8181,7 +8181,7 @@ function ($exception) {
      * @param  string $earnings_rate_id Identifier for the earnings rate (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEarningsRateRequest($xero_tenant_id$earnings_rate_id)
+    protected function getEarningsRateRequest($xero_tenant_id, $earnings_rate_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -8282,9 +8282,9 @@ protected function getEarningsRateRequest($xero_tenant_id$earnings_rate_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EarningsRates
      */
-    public function getEarningsRates($xero_tenant_id$page = null)
+    public function getEarningsRates($xero_tenant_id, $page = null)
     {
-        list($response) = $this->getEarningsRatesWithHttpInfo($xero_tenant_id$page);
+        list($response) = $this->getEarningsRatesWithHttpInfo($xero_tenant_id, $page);
         return $response;
     }
     /**
@@ -8296,9 +8296,9 @@ public function getEarningsRates($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EarningsRates, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEarningsRatesWithHttpInfo($xero_tenant_id$page = null)
+    public function getEarningsRatesWithHttpInfo($xero_tenant_id, $page = null)
     {
-        $request = $this->getEarningsRatesRequest($xero_tenant_id$page);
+        $request = $this->getEarningsRatesRequest($xero_tenant_id, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -8372,9 +8372,9 @@ public function getEarningsRatesWithHttpInfo($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEarningsRatesAsync($xero_tenant_id$page = null)
+    public function getEarningsRatesAsync($xero_tenant_id, $page = null)
     {
-        return $this->getEarningsRatesAsyncWithHttpInfo($xero_tenant_id$page)
+        return $this->getEarningsRatesAsyncWithHttpInfo($xero_tenant_id, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -8388,10 +8388,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEarningsRatesAsyncWithHttpInfo($xero_tenant_id$page = null)
+    public function getEarningsRatesAsyncWithHttpInfo($xero_tenant_id, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsRates';
-        $request = $this->getEarningsRatesRequest($xero_tenant_id$page);
+        $request = $this->getEarningsRatesRequest($xero_tenant_id, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -8431,7 +8431,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEarningsRatesRequest($xero_tenant_id$page = null)
+    protected function getEarningsRatesRequest($xero_tenant_id, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -8522,9 +8522,9 @@ protected function getEarningsRatesRequest($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeObject
      */
-    public function getEmployee($xero_tenant_id$employee_id)
+    public function getEmployee($xero_tenant_id, $employee_id)
     {
-        list($response) = $this->getEmployeeWithHttpInfo($xero_tenant_id$employee_id);
+        list($response) = $this->getEmployeeWithHttpInfo($xero_tenant_id, $employee_id);
         return $response;
     }
     /**
@@ -8536,9 +8536,9 @@ public function getEmployee($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeWithHttpInfo($xero_tenant_id, $employee_id)
     {
-        $request = $this->getEmployeeRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeRequest($xero_tenant_id, $employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -8612,9 +8612,9 @@ public function getEmployeeWithHttpInfo($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeAsync($xero_tenant_id$employee_id)
+    public function getEmployeeAsync($xero_tenant_id, $employee_id)
     {
-        return $this->getEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id)
+        return $this->getEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -8628,10 +8628,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeObject';
-        $request = $this->getEmployeeRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeRequest($xero_tenant_id, $employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -8671,7 +8671,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeRequest($xero_tenant_id$employee_id)
+    protected function getEmployeeRequest($xero_tenant_id, $employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -8773,9 +8773,9 @@ protected function getEmployeeRequest($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveObject
      */
-    public function getEmployeeLeave($xero_tenant_id$employee_id$leave_id)
+    public function getEmployeeLeave($xero_tenant_id, $employee_id, $leave_id)
     {
-        list($response) = $this->getEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$leave_id);
+        list($response) = $this->getEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $leave_id);
         return $response;
     }
     /**
@@ -8788,9 +8788,9 @@ public function getEmployeeLeave($xero_tenant_id$employee_id$leave_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$leave_id)
+    public function getEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $leave_id)
     {
-        $request = $this->getEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id);
+        $request = $this->getEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -8865,9 +8865,9 @@ public function getEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$leave_i
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeLeaveAsync($xero_tenant_id$employee_id$leave_id)
+    public function getEmployeeLeaveAsync($xero_tenant_id, $employee_id, $leave_id)
     {
-        return $this->getEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$leave_id)
+        return $this->getEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $leave_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -8882,10 +8882,10 @@ function ($response) {
      * @param  string $leave_id Leave id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$leave_id)
+    public function getEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $leave_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveObject';
-        $request = $this->getEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id);
+        $request = $this->getEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -8926,7 +8926,7 @@ function ($exception) {
      * @param  string $leave_id Leave id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id)
+    protected function getEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -9041,9 +9041,9 @@ protected function getEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveBalances
      */
-    public function getEmployeeLeaveBalances($xero_tenant_id$employee_id)
+    public function getEmployeeLeaveBalances($xero_tenant_id, $employee_id)
     {
-        list($response) = $this->getEmployeeLeaveBalancesWithHttpInfo($xero_tenant_id$employee_id);
+        list($response) = $this->getEmployeeLeaveBalancesWithHttpInfo($xero_tenant_id, $employee_id);
         return $response;
     }
     /**
@@ -9055,9 +9055,9 @@ public function getEmployeeLeaveBalances($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveBalances, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeLeaveBalancesWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeLeaveBalancesWithHttpInfo($xero_tenant_id, $employee_id)
     {
-        $request = $this->getEmployeeLeaveBalancesRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeLeaveBalancesRequest($xero_tenant_id, $employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -9131,9 +9131,9 @@ public function getEmployeeLeaveBalancesWithHttpInfo($xero_tenant_id$employee_id
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeLeaveBalancesAsync($xero_tenant_id$employee_id)
+    public function getEmployeeLeaveBalancesAsync($xero_tenant_id, $employee_id)
     {
-        return $this->getEmployeeLeaveBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id)
+        return $this->getEmployeeLeaveBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -9147,10 +9147,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeLeaveBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeLeaveBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveBalances';
-        $request = $this->getEmployeeLeaveBalancesRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeLeaveBalancesRequest($xero_tenant_id, $employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -9190,7 +9190,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeLeaveBalancesRequest($xero_tenant_id$employee_id)
+    protected function getEmployeeLeaveBalancesRequest($xero_tenant_id, $employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -9293,9 +9293,9 @@ protected function getEmployeeLeaveBalancesRequest($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\LeavePeriods|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function getEmployeeLeavePeriods($xero_tenant_id$employee_id$start_date = null$end_date = null)
+    public function getEmployeeLeavePeriods($xero_tenant_id, $employee_id, $start_date = null, $end_date = null)
     {
-        list($response) = $this->getEmployeeLeavePeriodsWithHttpInfo($xero_tenant_id$employee_id$start_date$end_date);
+        list($response) = $this->getEmployeeLeavePeriodsWithHttpInfo($xero_tenant_id, $employee_id, $start_date, $end_date);
         return $response;
     }
     /**
@@ -9309,9 +9309,9 @@ public function getEmployeeLeavePeriods($xero_tenant_id$employee_id$start_date =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\LeavePeriods|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeLeavePeriodsWithHttpInfo($xero_tenant_id$employee_id$start_date = null$end_date = null)
+    public function getEmployeeLeavePeriodsWithHttpInfo($xero_tenant_id, $employee_id, $start_date = null, $end_date = null)
     {
-        $request = $this->getEmployeeLeavePeriodsRequest($xero_tenant_id$employee_id$start_date$end_date);
+        $request = $this->getEmployeeLeavePeriodsRequest($xero_tenant_id, $employee_id, $start_date, $end_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -9406,9 +9406,9 @@ public function getEmployeeLeavePeriodsWithHttpInfo($xero_tenant_id$employee_id$
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeLeavePeriodsAsync($xero_tenant_id$employee_id$start_date = null$end_date = null)
+    public function getEmployeeLeavePeriodsAsync($xero_tenant_id, $employee_id, $start_date = null, $end_date = null)
     {
-        return $this->getEmployeeLeavePeriodsAsyncWithHttpInfo($xero_tenant_id$employee_id$start_date$end_date)
+        return $this->getEmployeeLeavePeriodsAsyncWithHttpInfo($xero_tenant_id, $employee_id, $start_date, $end_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -9424,10 +9424,10 @@ function ($response) {
      * @param  \DateTime $end_date Filter by end date (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeLeavePeriodsAsyncWithHttpInfo($xero_tenant_id$employee_id$start_date = null$end_date = null)
+    public function getEmployeeLeavePeriodsAsyncWithHttpInfo($xero_tenant_id, $employee_id, $start_date = null, $end_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\LeavePeriods';
-        $request = $this->getEmployeeLeavePeriodsRequest($xero_tenant_id$employee_id$start_date$end_date);
+        $request = $this->getEmployeeLeavePeriodsRequest($xero_tenant_id, $employee_id, $start_date, $end_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -9469,7 +9469,7 @@ function ($exception) {
      * @param  \DateTime $end_date Filter by end date (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeLeavePeriodsRequest($xero_tenant_id$employee_id$start_date = null$end_date = null)
+    protected function getEmployeeLeavePeriodsRequest($xero_tenant_id, $employee_id, $start_date = null, $end_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -9578,9 +9578,9 @@ protected function getEmployeeLeavePeriodsRequest($xero_tenant_id$employee_id$st
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveTypes|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function getEmployeeLeaveTypes($xero_tenant_id$employee_id)
+    public function getEmployeeLeaveTypes($xero_tenant_id, $employee_id)
     {
-        list($response) = $this->getEmployeeLeaveTypesWithHttpInfo($xero_tenant_id$employee_id);
+        list($response) = $this->getEmployeeLeaveTypesWithHttpInfo($xero_tenant_id, $employee_id);
         return $response;
     }
     /**
@@ -9592,9 +9592,9 @@ public function getEmployeeLeaveTypes($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveTypes|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeLeaveTypesWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeLeaveTypesWithHttpInfo($xero_tenant_id, $employee_id)
     {
-        $request = $this->getEmployeeLeaveTypesRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeLeaveTypesRequest($xero_tenant_id, $employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -9687,9 +9687,9 @@ public function getEmployeeLeaveTypesWithHttpInfo($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeLeaveTypesAsync($xero_tenant_id$employee_id)
+    public function getEmployeeLeaveTypesAsync($xero_tenant_id, $employee_id)
     {
-        return $this->getEmployeeLeaveTypesAsyncWithHttpInfo($xero_tenant_id$employee_id)
+        return $this->getEmployeeLeaveTypesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -9703,10 +9703,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeLeaveTypesAsyncWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeLeaveTypesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveTypes';
-        $request = $this->getEmployeeLeaveTypesRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeLeaveTypesRequest($xero_tenant_id, $employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -9746,7 +9746,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeLeaveTypesRequest($xero_tenant_id$employee_id)
+    protected function getEmployeeLeaveTypesRequest($xero_tenant_id, $employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -9847,9 +9847,9 @@ protected function getEmployeeLeaveTypesRequest($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaves
      */
-    public function getEmployeeLeaves($xero_tenant_id$employee_id)
+    public function getEmployeeLeaves($xero_tenant_id, $employee_id)
     {
-        list($response) = $this->getEmployeeLeavesWithHttpInfo($xero_tenant_id$employee_id);
+        list($response) = $this->getEmployeeLeavesWithHttpInfo($xero_tenant_id, $employee_id);
         return $response;
     }
     /**
@@ -9861,9 +9861,9 @@ public function getEmployeeLeaves($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaves, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeLeavesWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeLeavesWithHttpInfo($xero_tenant_id, $employee_id)
     {
-        $request = $this->getEmployeeLeavesRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeLeavesRequest($xero_tenant_id, $employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -9937,9 +9937,9 @@ public function getEmployeeLeavesWithHttpInfo($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeLeavesAsync($xero_tenant_id$employee_id)
+    public function getEmployeeLeavesAsync($xero_tenant_id, $employee_id)
     {
-        return $this->getEmployeeLeavesAsyncWithHttpInfo($xero_tenant_id$employee_id)
+        return $this->getEmployeeLeavesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -9953,10 +9953,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeLeavesAsyncWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeLeavesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaves';
-        $request = $this->getEmployeeLeavesRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeLeavesRequest($xero_tenant_id, $employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -9996,7 +9996,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeLeavesRequest($xero_tenant_id$employee_id)
+    protected function getEmployeeLeavesRequest($xero_tenant_id, $employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -10097,9 +10097,9 @@ protected function getEmployeeLeavesRequest($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalancesObject
      */
-    public function getEmployeeOpeningBalances($xero_tenant_id$employee_id)
+    public function getEmployeeOpeningBalances($xero_tenant_id, $employee_id)
     {
-        list($response) = $this->getEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id$employee_id);
+        list($response) = $this->getEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id, $employee_id);
         return $response;
     }
     /**
@@ -10111,9 +10111,9 @@ public function getEmployeeOpeningBalances($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalancesObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id, $employee_id)
     {
-        $request = $this->getEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -10187,9 +10187,9 @@ public function getEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id$employee_
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeOpeningBalancesAsync($xero_tenant_id$employee_id)
+    public function getEmployeeOpeningBalancesAsync($xero_tenant_id, $employee_id)
     {
-        return $this->getEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id)
+        return $this->getEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -10203,10 +10203,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalancesObject';
-        $request = $this->getEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -10246,7 +10246,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id)
+    protected function getEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -10347,9 +10347,9 @@ protected function getEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeePayTemplateObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function getEmployeePayTemplate($xero_tenant_id$employee_id)
+    public function getEmployeePayTemplate($xero_tenant_id, $employee_id)
     {
-        list($response) = $this->getEmployeePayTemplateWithHttpInfo($xero_tenant_id$employee_id);
+        list($response) = $this->getEmployeePayTemplateWithHttpInfo($xero_tenant_id, $employee_id);
         return $response;
     }
     /**
@@ -10361,9 +10361,9 @@ public function getEmployeePayTemplate($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeePayTemplateObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeePayTemplateWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeePayTemplateWithHttpInfo($xero_tenant_id, $employee_id)
     {
-        $request = $this->getEmployeePayTemplateRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeePayTemplateRequest($xero_tenant_id, $employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -10456,9 +10456,9 @@ public function getEmployeePayTemplateWithHttpInfo($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeePayTemplateAsync($xero_tenant_id$employee_id)
+    public function getEmployeePayTemplateAsync($xero_tenant_id, $employee_id)
     {
-        return $this->getEmployeePayTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id)
+        return $this->getEmployeePayTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -10472,10 +10472,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeePayTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeePayTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeePayTemplateObject';
-        $request = $this->getEmployeePayTemplateRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeePayTemplateRequest($xero_tenant_id, $employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -10515,7 +10515,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeePayTemplateRequest($xero_tenant_id$employee_id)
+    protected function getEmployeePayTemplateRequest($xero_tenant_id, $employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -10616,9 +10616,9 @@ protected function getEmployeePayTemplateRequest($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\PaymentMethodObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function getEmployeePaymentMethod($xero_tenant_id$employee_id)
+    public function getEmployeePaymentMethod($xero_tenant_id, $employee_id)
     {
-        list($response) = $this->getEmployeePaymentMethodWithHttpInfo($xero_tenant_id$employee_id);
+        list($response) = $this->getEmployeePaymentMethodWithHttpInfo($xero_tenant_id, $employee_id);
         return $response;
     }
     /**
@@ -10630,9 +10630,9 @@ public function getEmployeePaymentMethod($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\PaymentMethodObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeePaymentMethodWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeePaymentMethodWithHttpInfo($xero_tenant_id, $employee_id)
     {
-        $request = $this->getEmployeePaymentMethodRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeePaymentMethodRequest($xero_tenant_id, $employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -10725,9 +10725,9 @@ public function getEmployeePaymentMethodWithHttpInfo($xero_tenant_id$employee_id
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeePaymentMethodAsync($xero_tenant_id$employee_id)
+    public function getEmployeePaymentMethodAsync($xero_tenant_id, $employee_id)
     {
-        return $this->getEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id$employee_id)
+        return $this->getEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id, $employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -10741,10 +10741,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeePaymentMethodAsyncWithHttpInfo($xero_tenant_id, $employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\PaymentMethodObject';
-        $request = $this->getEmployeePaymentMethodRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeePaymentMethodRequest($xero_tenant_id, $employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -10784,7 +10784,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeePaymentMethodRequest($xero_tenant_id$employee_id)
+    protected function getEmployeePaymentMethodRequest($xero_tenant_id, $employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -10886,9 +10886,9 @@ protected function getEmployeePaymentMethodRequest($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWages
      */
-    public function getEmployeeSalaryAndWage($xero_tenant_id$employee_id$salary_and_wages_id)
+    public function getEmployeeSalaryAndWage($xero_tenant_id, $employee_id, $salary_and_wages_id)
     {
-        list($response) = $this->getEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id);
+        list($response) = $this->getEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id);
         return $response;
     }
     /**
@@ -10901,9 +10901,9 @@ public function getEmployeeSalaryAndWage($xero_tenant_id$employee_id$salary_and_
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWages, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id)
+    public function getEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id)
     {
-        $request = $this->getEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id);
+        $request = $this->getEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -10978,9 +10978,9 @@ public function getEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeSalaryAndWageAsync($xero_tenant_id$employee_id$salary_and_wages_id)
+    public function getEmployeeSalaryAndWageAsync($xero_tenant_id, $employee_id, $salary_and_wages_id)
     {
-        return $this->getEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id)
+        return $this->getEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -10995,10 +10995,10 @@ function ($response) {
      * @param  string $salary_and_wages_id Id for single pay template earnings object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id)
+    public function getEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWages';
-        $request = $this->getEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id);
+        $request = $this->getEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -11039,7 +11039,7 @@ function ($exception) {
      * @param  string $salary_and_wages_id Id for single pay template earnings object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id)
+    protected function getEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -11155,9 +11155,9 @@ protected function getEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$s
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWages|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function getEmployeeSalaryAndWages($xero_tenant_id$employee_id$page = null)
+    public function getEmployeeSalaryAndWages($xero_tenant_id, $employee_id, $page = null)
     {
-        list($response) = $this->getEmployeeSalaryAndWagesWithHttpInfo($xero_tenant_id$employee_id$page);
+        list($response) = $this->getEmployeeSalaryAndWagesWithHttpInfo($xero_tenant_id, $employee_id, $page);
         return $response;
     }
     /**
@@ -11170,9 +11170,9 @@ public function getEmployeeSalaryAndWages($xero_tenant_id$employee_id$page = nul
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWages|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeSalaryAndWagesWithHttpInfo($xero_tenant_id$employee_id$page = null)
+    public function getEmployeeSalaryAndWagesWithHttpInfo($xero_tenant_id, $employee_id, $page = null)
     {
-        $request = $this->getEmployeeSalaryAndWagesRequest($xero_tenant_id$employee_id$page);
+        $request = $this->getEmployeeSalaryAndWagesRequest($xero_tenant_id, $employee_id, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -11266,9 +11266,9 @@ public function getEmployeeSalaryAndWagesWithHttpInfo($xero_tenant_id$employee_i
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeSalaryAndWagesAsync($xero_tenant_id$employee_id$page = null)
+    public function getEmployeeSalaryAndWagesAsync($xero_tenant_id, $employee_id, $page = null)
     {
-        return $this->getEmployeeSalaryAndWagesAsyncWithHttpInfo($xero_tenant_id$employee_id$page)
+        return $this->getEmployeeSalaryAndWagesAsyncWithHttpInfo($xero_tenant_id, $employee_id, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -11283,10 +11283,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeSalaryAndWagesAsyncWithHttpInfo($xero_tenant_id$employee_id$page = null)
+    public function getEmployeeSalaryAndWagesAsyncWithHttpInfo($xero_tenant_id, $employee_id, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWages';
-        $request = $this->getEmployeeSalaryAndWagesRequest($xero_tenant_id$employee_id$page);
+        $request = $this->getEmployeeSalaryAndWagesRequest($xero_tenant_id, $employee_id, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -11327,7 +11327,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeSalaryAndWagesRequest($xero_tenant_id$employee_id$page = null)
+    protected function getEmployeeSalaryAndWagesRequest($xero_tenant_id, $employee_id, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -11434,9 +11434,9 @@ protected function getEmployeeSalaryAndWagesRequest($xero_tenant_id$employee_id$
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutoryLeaveBalanceObject
      */
-    public function getEmployeeStatutoryLeaveBalances($xero_tenant_id$employee_id$leave_type = null$as_of_date = null)
+    public function getEmployeeStatutoryLeaveBalances($xero_tenant_id, $employee_id, $leave_type = null, $as_of_date = null)
     {
-        list($response) = $this->getEmployeeStatutoryLeaveBalancesWithHttpInfo($xero_tenant_id$employee_id$leave_type$as_of_date);
+        list($response) = $this->getEmployeeStatutoryLeaveBalancesWithHttpInfo($xero_tenant_id, $employee_id, $leave_type, $as_of_date);
         return $response;
     }
     /**
@@ -11450,9 +11450,9 @@ public function getEmployeeStatutoryLeaveBalances($xero_tenant_id$employee_id$le
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutoryLeaveBalanceObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeStatutoryLeaveBalancesWithHttpInfo($xero_tenant_id$employee_id$leave_type = null$as_of_date = null)
+    public function getEmployeeStatutoryLeaveBalancesWithHttpInfo($xero_tenant_id, $employee_id, $leave_type = null, $as_of_date = null)
     {
-        $request = $this->getEmployeeStatutoryLeaveBalancesRequest($xero_tenant_id$employee_id$leave_type$as_of_date);
+        $request = $this->getEmployeeStatutoryLeaveBalancesRequest($xero_tenant_id, $employee_id, $leave_type, $as_of_date);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -11528,9 +11528,9 @@ public function getEmployeeStatutoryLeaveBalancesWithHttpInfo($xero_tenant_id$em
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeStatutoryLeaveBalancesAsync($xero_tenant_id$employee_id$leave_type = null$as_of_date = null)
+    public function getEmployeeStatutoryLeaveBalancesAsync($xero_tenant_id, $employee_id, $leave_type = null, $as_of_date = null)
     {
-        return $this->getEmployeeStatutoryLeaveBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id$leave_type$as_of_date)
+        return $this->getEmployeeStatutoryLeaveBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id, $leave_type, $as_of_date)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -11546,10 +11546,10 @@ function ($response) {
      * @param  \DateTime $as_of_date The date from which to calculate balance remaining. If not specified, current date UTC is used. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeStatutoryLeaveBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id$leave_type = null$as_of_date = null)
+    public function getEmployeeStatutoryLeaveBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id, $leave_type = null, $as_of_date = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutoryLeaveBalanceObject';
-        $request = $this->getEmployeeStatutoryLeaveBalancesRequest($xero_tenant_id$employee_id$leave_type$as_of_date);
+        $request = $this->getEmployeeStatutoryLeaveBalancesRequest($xero_tenant_id, $employee_id, $leave_type, $as_of_date);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -11591,7 +11591,7 @@ function ($exception) {
      * @param  \DateTime $as_of_date The date from which to calculate balance remaining. If not specified, current date UTC is used. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeStatutoryLeaveBalancesRequest($xero_tenant_id$employee_id$leave_type = null$as_of_date = null)
+    protected function getEmployeeStatutoryLeaveBalancesRequest($xero_tenant_id, $employee_id, $leave_type = null, $as_of_date = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -11700,9 +11700,9 @@ protected function getEmployeeStatutoryLeaveBalancesRequest($xero_tenant_id$empl
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutorySickLeaveObject
      */
-    public function getEmployeeStatutorySickLeave($xero_tenant_id$statutory_sick_leave_id)
+    public function getEmployeeStatutorySickLeave($xero_tenant_id, $statutory_sick_leave_id)
     {
-        list($response) = $this->getEmployeeStatutorySickLeaveWithHttpInfo($xero_tenant_id$statutory_sick_leave_id);
+        list($response) = $this->getEmployeeStatutorySickLeaveWithHttpInfo($xero_tenant_id, $statutory_sick_leave_id);
         return $response;
     }
     /**
@@ -11714,9 +11714,9 @@ public function getEmployeeStatutorySickLeave($xero_tenant_id$statutory_sick_lea
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutorySickLeaveObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeStatutorySickLeaveWithHttpInfo($xero_tenant_id$statutory_sick_leave_id)
+    public function getEmployeeStatutorySickLeaveWithHttpInfo($xero_tenant_id, $statutory_sick_leave_id)
     {
-        $request = $this->getEmployeeStatutorySickLeaveRequest($xero_tenant_id$statutory_sick_leave_id);
+        $request = $this->getEmployeeStatutorySickLeaveRequest($xero_tenant_id, $statutory_sick_leave_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -11790,9 +11790,9 @@ public function getEmployeeStatutorySickLeaveWithHttpInfo($xero_tenant_id$statut
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeStatutorySickLeaveAsync($xero_tenant_id$statutory_sick_leave_id)
+    public function getEmployeeStatutorySickLeaveAsync($xero_tenant_id, $statutory_sick_leave_id)
     {
-        return $this->getEmployeeStatutorySickLeaveAsyncWithHttpInfo($xero_tenant_id$statutory_sick_leave_id)
+        return $this->getEmployeeStatutorySickLeaveAsyncWithHttpInfo($xero_tenant_id, $statutory_sick_leave_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -11806,10 +11806,10 @@ function ($response) {
      * @param  string $statutory_sick_leave_id Statutory sick leave id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeStatutorySickLeaveAsyncWithHttpInfo($xero_tenant_id$statutory_sick_leave_id)
+    public function getEmployeeStatutorySickLeaveAsyncWithHttpInfo($xero_tenant_id, $statutory_sick_leave_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutorySickLeaveObject';
-        $request = $this->getEmployeeStatutorySickLeaveRequest($xero_tenant_id$statutory_sick_leave_id);
+        $request = $this->getEmployeeStatutorySickLeaveRequest($xero_tenant_id, $statutory_sick_leave_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -11849,7 +11849,7 @@ function ($exception) {
      * @param  string $statutory_sick_leave_id Statutory sick leave id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeStatutorySickLeaveRequest($xero_tenant_id$statutory_sick_leave_id)
+    protected function getEmployeeStatutorySickLeaveRequest($xero_tenant_id, $statutory_sick_leave_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -11950,9 +11950,9 @@ protected function getEmployeeStatutorySickLeaveRequest($xero_tenant_id$statutor
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeTaxObject
      */
-    public function getEmployeeTax($xero_tenant_id$employee_id)
+    public function getEmployeeTax($xero_tenant_id, $employee_id)
     {
-        list($response) = $this->getEmployeeTaxWithHttpInfo($xero_tenant_id$employee_id);
+        list($response) = $this->getEmployeeTaxWithHttpInfo($xero_tenant_id, $employee_id);
         return $response;
     }
     /**
@@ -11964,9 +11964,9 @@ public function getEmployeeTax($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeTaxObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeeTaxWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeTaxWithHttpInfo($xero_tenant_id, $employee_id)
     {
-        $request = $this->getEmployeeTaxRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeTaxRequest($xero_tenant_id, $employee_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -12040,9 +12040,9 @@ public function getEmployeeTaxWithHttpInfo($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeeTaxAsync($xero_tenant_id$employee_id)
+    public function getEmployeeTaxAsync($xero_tenant_id, $employee_id)
     {
-        return $this->getEmployeeTaxAsyncWithHttpInfo($xero_tenant_id$employee_id)
+        return $this->getEmployeeTaxAsyncWithHttpInfo($xero_tenant_id, $employee_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -12056,10 +12056,10 @@ function ($response) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeeTaxAsyncWithHttpInfo($xero_tenant_id$employee_id)
+    public function getEmployeeTaxAsyncWithHttpInfo($xero_tenant_id, $employee_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeTaxObject';
-        $request = $this->getEmployeeTaxRequest($xero_tenant_id$employee_id);
+        $request = $this->getEmployeeTaxRequest($xero_tenant_id, $employee_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -12099,7 +12099,7 @@ function ($exception) {
      * @param  string $employee_id Employee id for single object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeeTaxRequest($xero_tenant_id$employee_id)
+    protected function getEmployeeTaxRequest($xero_tenant_id, $employee_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -12201,9 +12201,9 @@ protected function getEmployeeTaxRequest($xero_tenant_id$employee_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\Employees|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function getEmployees($xero_tenant_id$filter = null$page = null)
+    public function getEmployees($xero_tenant_id, $filter = null, $page = null)
     {
-        list($response) = $this->getEmployeesWithHttpInfo($xero_tenant_id$filter$page);
+        list($response) = $this->getEmployeesWithHttpInfo($xero_tenant_id, $filter, $page);
         return $response;
     }
     /**
@@ -12216,9 +12216,9 @@ public function getEmployees($xero_tenant_id$filter = null$page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\Employees|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getEmployeesWithHttpInfo($xero_tenant_id$filter = null$page = null)
+    public function getEmployeesWithHttpInfo($xero_tenant_id, $filter = null, $page = null)
     {
-        $request = $this->getEmployeesRequest($xero_tenant_id$filter$page);
+        $request = $this->getEmployeesRequest($xero_tenant_id, $filter, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -12312,9 +12312,9 @@ public function getEmployeesWithHttpInfo($xero_tenant_id$filter = null$page = nu
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getEmployeesAsync($xero_tenant_id$filter = null$page = null)
+    public function getEmployeesAsync($xero_tenant_id, $filter = null, $page = null)
     {
-        return $this->getEmployeesAsyncWithHttpInfo($xero_tenant_id$filter$page)
+        return $this->getEmployeesAsyncWithHttpInfo($xero_tenant_id, $filter, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -12329,10 +12329,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getEmployeesAsyncWithHttpInfo($xero_tenant_id$filter = null$page = null)
+    public function getEmployeesAsyncWithHttpInfo($xero_tenant_id, $filter = null, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\Employees';
-        $request = $this->getEmployeesRequest($xero_tenant_id$filter$page);
+        $request = $this->getEmployeesRequest($xero_tenant_id, $filter, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -12373,7 +12373,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getEmployeesRequest($xero_tenant_id$filter = null$page = null)
+    protected function getEmployeesRequest($xero_tenant_id, $filter = null, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -12468,9 +12468,9 @@ protected function getEmployeesRequest($xero_tenant_id$filter = null$page = null
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\LeaveTypeObject
      */
-    public function getLeaveType($xero_tenant_id$leave_type_id)
+    public function getLeaveType($xero_tenant_id, $leave_type_id)
     {
-        list($response) = $this->getLeaveTypeWithHttpInfo($xero_tenant_id$leave_type_id);
+        list($response) = $this->getLeaveTypeWithHttpInfo($xero_tenant_id, $leave_type_id);
         return $response;
     }
     /**
@@ -12482,9 +12482,9 @@ public function getLeaveType($xero_tenant_id$leave_type_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\LeaveTypeObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getLeaveTypeWithHttpInfo($xero_tenant_id$leave_type_id)
+    public function getLeaveTypeWithHttpInfo($xero_tenant_id, $leave_type_id)
     {
-        $request = $this->getLeaveTypeRequest($xero_tenant_id$leave_type_id);
+        $request = $this->getLeaveTypeRequest($xero_tenant_id, $leave_type_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -12558,9 +12558,9 @@ public function getLeaveTypeWithHttpInfo($xero_tenant_id$leave_type_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getLeaveTypeAsync($xero_tenant_id$leave_type_id)
+    public function getLeaveTypeAsync($xero_tenant_id, $leave_type_id)
     {
-        return $this->getLeaveTypeAsyncWithHttpInfo($xero_tenant_id$leave_type_id)
+        return $this->getLeaveTypeAsyncWithHttpInfo($xero_tenant_id, $leave_type_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -12574,10 +12574,10 @@ function ($response) {
      * @param  string $leave_type_id Identifier for the leave type (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getLeaveTypeAsyncWithHttpInfo($xero_tenant_id$leave_type_id)
+    public function getLeaveTypeAsyncWithHttpInfo($xero_tenant_id, $leave_type_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\LeaveTypeObject';
-        $request = $this->getLeaveTypeRequest($xero_tenant_id$leave_type_id);
+        $request = $this->getLeaveTypeRequest($xero_tenant_id, $leave_type_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -12617,7 +12617,7 @@ function ($exception) {
      * @param  string $leave_type_id Identifier for the leave type (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getLeaveTypeRequest($xero_tenant_id$leave_type_id)
+    protected function getLeaveTypeRequest($xero_tenant_id, $leave_type_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -12719,9 +12719,9 @@ protected function getLeaveTypeRequest($xero_tenant_id$leave_type_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\LeaveTypes
      */
-    public function getLeaveTypes($xero_tenant_id$page = null$active_only = null)
+    public function getLeaveTypes($xero_tenant_id, $page = null, $active_only = null)
     {
-        list($response) = $this->getLeaveTypesWithHttpInfo($xero_tenant_id$page$active_only);
+        list($response) = $this->getLeaveTypesWithHttpInfo($xero_tenant_id, $page, $active_only);
         return $response;
     }
     /**
@@ -12734,9 +12734,9 @@ public function getLeaveTypes($xero_tenant_id$page = null$active_only = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\LeaveTypes, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getLeaveTypesWithHttpInfo($xero_tenant_id$page = null$active_only = null)
+    public function getLeaveTypesWithHttpInfo($xero_tenant_id, $page = null, $active_only = null)
     {
-        $request = $this->getLeaveTypesRequest($xero_tenant_id$page$active_only);
+        $request = $this->getLeaveTypesRequest($xero_tenant_id, $page, $active_only);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -12811,9 +12811,9 @@ public function getLeaveTypesWithHttpInfo($xero_tenant_id$page = null$active_onl
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getLeaveTypesAsync($xero_tenant_id$page = null$active_only = null)
+    public function getLeaveTypesAsync($xero_tenant_id, $page = null, $active_only = null)
     {
-        return $this->getLeaveTypesAsyncWithHttpInfo($xero_tenant_id$page$active_only)
+        return $this->getLeaveTypesAsyncWithHttpInfo($xero_tenant_id, $page, $active_only)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -12828,10 +12828,10 @@ function ($response) {
      * @param  bool $active_only Filters leave types by active status. By default the API returns all leave types. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getLeaveTypesAsyncWithHttpInfo($xero_tenant_id$page = null$active_only = null)
+    public function getLeaveTypesAsyncWithHttpInfo($xero_tenant_id, $page = null, $active_only = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\LeaveTypes';
-        $request = $this->getLeaveTypesRequest($xero_tenant_id$page$active_only);
+        $request = $this->getLeaveTypesRequest($xero_tenant_id, $page, $active_only);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -12872,7 +12872,7 @@ function ($exception) {
      * @param  bool $active_only Filters leave types by active status. By default the API returns all leave types. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getLeaveTypesRequest($xero_tenant_id$page = null$active_only = null)
+    protected function getLeaveTypesRequest($xero_tenant_id, $page = null, $active_only = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -12967,9 +12967,9 @@ protected function getLeaveTypesRequest($xero_tenant_id$page = null$active_only
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\PayRunObject
      */
-    public function getPayRun($xero_tenant_id$pay_run_id)
+    public function getPayRun($xero_tenant_id, $pay_run_id)
     {
-        list($response) = $this->getPayRunWithHttpInfo($xero_tenant_id$pay_run_id);
+        list($response) = $this->getPayRunWithHttpInfo($xero_tenant_id, $pay_run_id);
         return $response;
     }
     /**
@@ -12981,9 +12981,9 @@ public function getPayRun($xero_tenant_id$pay_run_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\PayRunObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayRunWithHttpInfo($xero_tenant_id$pay_run_id)
+    public function getPayRunWithHttpInfo($xero_tenant_id, $pay_run_id)
     {
-        $request = $this->getPayRunRequest($xero_tenant_id$pay_run_id);
+        $request = $this->getPayRunRequest($xero_tenant_id, $pay_run_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -13057,9 +13057,9 @@ public function getPayRunWithHttpInfo($xero_tenant_id$pay_run_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayRunAsync($xero_tenant_id$pay_run_id)
+    public function getPayRunAsync($xero_tenant_id, $pay_run_id)
     {
-        return $this->getPayRunAsyncWithHttpInfo($xero_tenant_id$pay_run_id)
+        return $this->getPayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -13073,10 +13073,10 @@ function ($response) {
      * @param  string $pay_run_id Identifier for the pay run (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayRunAsyncWithHttpInfo($xero_tenant_id$pay_run_id)
+    public function getPayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\PayRunObject';
-        $request = $this->getPayRunRequest($xero_tenant_id$pay_run_id);
+        $request = $this->getPayRunRequest($xero_tenant_id, $pay_run_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -13116,7 +13116,7 @@ function ($exception) {
      * @param  string $pay_run_id Identifier for the pay run (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayRunRequest($xero_tenant_id$pay_run_id)
+    protected function getPayRunRequest($xero_tenant_id, $pay_run_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -13217,9 +13217,9 @@ protected function getPayRunRequest($xero_tenant_id$pay_run_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendarObject
      */
-    public function getPayRunCalendar($xero_tenant_id$pay_run_calendar_id)
+    public function getPayRunCalendar($xero_tenant_id, $pay_run_calendar_id)
     {
-        list($response) = $this->getPayRunCalendarWithHttpInfo($xero_tenant_id$pay_run_calendar_id);
+        list($response) = $this->getPayRunCalendarWithHttpInfo($xero_tenant_id, $pay_run_calendar_id);
         return $response;
     }
     /**
@@ -13231,9 +13231,9 @@ public function getPayRunCalendar($xero_tenant_id$pay_run_calendar_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendarObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayRunCalendarWithHttpInfo($xero_tenant_id$pay_run_calendar_id)
+    public function getPayRunCalendarWithHttpInfo($xero_tenant_id, $pay_run_calendar_id)
     {
-        $request = $this->getPayRunCalendarRequest($xero_tenant_id$pay_run_calendar_id);
+        $request = $this->getPayRunCalendarRequest($xero_tenant_id, $pay_run_calendar_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -13307,9 +13307,9 @@ public function getPayRunCalendarWithHttpInfo($xero_tenant_id$pay_run_calendar_i
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayRunCalendarAsync($xero_tenant_id$pay_run_calendar_id)
+    public function getPayRunCalendarAsync($xero_tenant_id, $pay_run_calendar_id)
     {
-        return $this->getPayRunCalendarAsyncWithHttpInfo($xero_tenant_id$pay_run_calendar_id)
+        return $this->getPayRunCalendarAsyncWithHttpInfo($xero_tenant_id, $pay_run_calendar_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -13323,10 +13323,10 @@ function ($response) {
      * @param  string $pay_run_calendar_id Identifier for the payrun calendars (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayRunCalendarAsyncWithHttpInfo($xero_tenant_id$pay_run_calendar_id)
+    public function getPayRunCalendarAsyncWithHttpInfo($xero_tenant_id, $pay_run_calendar_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendarObject';
-        $request = $this->getPayRunCalendarRequest($xero_tenant_id$pay_run_calendar_id);
+        $request = $this->getPayRunCalendarRequest($xero_tenant_id, $pay_run_calendar_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -13366,7 +13366,7 @@ function ($exception) {
      * @param  string $pay_run_calendar_id Identifier for the payrun calendars (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayRunCalendarRequest($xero_tenant_id$pay_run_calendar_id)
+    protected function getPayRunCalendarRequest($xero_tenant_id, $pay_run_calendar_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -13467,9 +13467,9 @@ protected function getPayRunCalendarRequest($xero_tenant_id$pay_run_calendar_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendars
      */
-    public function getPayRunCalendars($xero_tenant_id$page = null)
+    public function getPayRunCalendars($xero_tenant_id, $page = null)
     {
-        list($response) = $this->getPayRunCalendarsWithHttpInfo($xero_tenant_id$page);
+        list($response) = $this->getPayRunCalendarsWithHttpInfo($xero_tenant_id, $page);
         return $response;
     }
     /**
@@ -13481,9 +13481,9 @@ public function getPayRunCalendars($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendars, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayRunCalendarsWithHttpInfo($xero_tenant_id$page = null)
+    public function getPayRunCalendarsWithHttpInfo($xero_tenant_id, $page = null)
     {
-        $request = $this->getPayRunCalendarsRequest($xero_tenant_id$page);
+        $request = $this->getPayRunCalendarsRequest($xero_tenant_id, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -13557,9 +13557,9 @@ public function getPayRunCalendarsWithHttpInfo($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayRunCalendarsAsync($xero_tenant_id$page = null)
+    public function getPayRunCalendarsAsync($xero_tenant_id, $page = null)
     {
-        return $this->getPayRunCalendarsAsyncWithHttpInfo($xero_tenant_id$page)
+        return $this->getPayRunCalendarsAsyncWithHttpInfo($xero_tenant_id, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -13573,10 +13573,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayRunCalendarsAsyncWithHttpInfo($xero_tenant_id$page = null)
+    public function getPayRunCalendarsAsyncWithHttpInfo($xero_tenant_id, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendars';
-        $request = $this->getPayRunCalendarsRequest($xero_tenant_id$page);
+        $request = $this->getPayRunCalendarsRequest($xero_tenant_id, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -13616,7 +13616,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayRunCalendarsRequest($xero_tenant_id$page = null)
+    protected function getPayRunCalendarsRequest($xero_tenant_id, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -13708,9 +13708,9 @@ protected function getPayRunCalendarsRequest($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\PayRuns
      */
-    public function getPayRuns($xero_tenant_id$page = null$status = null)
+    public function getPayRuns($xero_tenant_id, $page = null, $status = null)
     {
-        list($response) = $this->getPayRunsWithHttpInfo($xero_tenant_id$page$status);
+        list($response) = $this->getPayRunsWithHttpInfo($xero_tenant_id, $page, $status);
         return $response;
     }
     /**
@@ -13723,9 +13723,9 @@ public function getPayRuns($xero_tenant_id$page = null$status = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\PayRuns, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPayRunsWithHttpInfo($xero_tenant_id$page = null$status = null)
+    public function getPayRunsWithHttpInfo($xero_tenant_id, $page = null, $status = null)
     {
-        $request = $this->getPayRunsRequest($xero_tenant_id$page$status);
+        $request = $this->getPayRunsRequest($xero_tenant_id, $page, $status);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -13800,9 +13800,9 @@ public function getPayRunsWithHttpInfo($xero_tenant_id$page = null$status = null
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPayRunsAsync($xero_tenant_id$page = null$status = null)
+    public function getPayRunsAsync($xero_tenant_id, $page = null, $status = null)
     {
-        return $this->getPayRunsAsyncWithHttpInfo($xero_tenant_id$page$status)
+        return $this->getPayRunsAsyncWithHttpInfo($xero_tenant_id, $page, $status)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -13817,10 +13817,10 @@ function ($response) {
      * @param  string $status By default get payruns will return all the payruns for an organization. You can add GET https://api.xero.com/payroll.xro/2.0/payRuns?statu&#x3D;{PayRunStatus} to filter the payruns by status. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPayRunsAsyncWithHttpInfo($xero_tenant_id$page = null$status = null)
+    public function getPayRunsAsyncWithHttpInfo($xero_tenant_id, $page = null, $status = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\PayRuns';
-        $request = $this->getPayRunsRequest($xero_tenant_id$page$status);
+        $request = $this->getPayRunsRequest($xero_tenant_id, $page, $status);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -13861,7 +13861,7 @@ function ($exception) {
      * @param  string $status By default get payruns will return all the payruns for an organization. You can add GET https://api.xero.com/payroll.xro/2.0/payRuns?statu&#x3D;{PayRunStatus} to filter the payruns by status. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPayRunsRequest($xero_tenant_id$page = null$status = null)
+    protected function getPayRunsRequest($xero_tenant_id, $page = null, $status = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -13956,9 +13956,9 @@ protected function getPayRunsRequest($xero_tenant_id$page = null$status = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\PayslipObject
      */
-    public function getPaySlip($xero_tenant_id$payslip_id)
+    public function getPaySlip($xero_tenant_id, $payslip_id)
     {
-        list($response) = $this->getPaySlipWithHttpInfo($xero_tenant_id$payslip_id);
+        list($response) = $this->getPaySlipWithHttpInfo($xero_tenant_id, $payslip_id);
         return $response;
     }
     /**
@@ -13970,9 +13970,9 @@ public function getPaySlip($xero_tenant_id$payslip_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\PayslipObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPaySlipWithHttpInfo($xero_tenant_id$payslip_id)
+    public function getPaySlipWithHttpInfo($xero_tenant_id, $payslip_id)
     {
-        $request = $this->getPaySlipRequest($xero_tenant_id$payslip_id);
+        $request = $this->getPaySlipRequest($xero_tenant_id, $payslip_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -14046,9 +14046,9 @@ public function getPaySlipWithHttpInfo($xero_tenant_id$payslip_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPaySlipAsync($xero_tenant_id$payslip_id)
+    public function getPaySlipAsync($xero_tenant_id, $payslip_id)
     {
-        return $this->getPaySlipAsyncWithHttpInfo($xero_tenant_id$payslip_id)
+        return $this->getPaySlipAsyncWithHttpInfo($xero_tenant_id, $payslip_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -14062,10 +14062,10 @@ function ($response) {
      * @param  string $payslip_id Identifier for the payslip (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPaySlipAsyncWithHttpInfo($xero_tenant_id$payslip_id)
+    public function getPaySlipAsyncWithHttpInfo($xero_tenant_id, $payslip_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\PayslipObject';
-        $request = $this->getPaySlipRequest($xero_tenant_id$payslip_id);
+        $request = $this->getPaySlipRequest($xero_tenant_id, $payslip_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -14105,7 +14105,7 @@ function ($exception) {
      * @param  string $payslip_id Identifier for the payslip (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPaySlipRequest($xero_tenant_id$payslip_id)
+    protected function getPaySlipRequest($xero_tenant_id, $payslip_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -14207,9 +14207,9 @@ protected function getPaySlipRequest($xero_tenant_id$payslip_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\Payslips
      */
-    public function getPaySlips($xero_tenant_id$pay_run_id$page = null)
+    public function getPaySlips($xero_tenant_id, $pay_run_id, $page = null)
     {
-        list($response) = $this->getPaySlipsWithHttpInfo($xero_tenant_id$pay_run_id$page);
+        list($response) = $this->getPaySlipsWithHttpInfo($xero_tenant_id, $pay_run_id, $page);
         return $response;
     }
     /**
@@ -14222,9 +14222,9 @@ public function getPaySlips($xero_tenant_id$pay_run_id$page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\Payslips, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getPaySlipsWithHttpInfo($xero_tenant_id$pay_run_id$page = null)
+    public function getPaySlipsWithHttpInfo($xero_tenant_id, $pay_run_id, $page = null)
     {
-        $request = $this->getPaySlipsRequest($xero_tenant_id$pay_run_id$page);
+        $request = $this->getPaySlipsRequest($xero_tenant_id, $pay_run_id, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -14299,9 +14299,9 @@ public function getPaySlipsWithHttpInfo($xero_tenant_id$pay_run_id$page = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getPaySlipsAsync($xero_tenant_id$pay_run_id$page = null)
+    public function getPaySlipsAsync($xero_tenant_id, $pay_run_id, $page = null)
     {
-        return $this->getPaySlipsAsyncWithHttpInfo($xero_tenant_id$pay_run_id$page)
+        return $this->getPaySlipsAsyncWithHttpInfo($xero_tenant_id, $pay_run_id, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -14316,10 +14316,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getPaySlipsAsyncWithHttpInfo($xero_tenant_id$pay_run_id$page = null)
+    public function getPaySlipsAsyncWithHttpInfo($xero_tenant_id, $pay_run_id, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\Payslips';
-        $request = $this->getPaySlipsRequest($xero_tenant_id$pay_run_id$page);
+        $request = $this->getPaySlipsRequest($xero_tenant_id, $pay_run_id, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -14360,7 +14360,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getPaySlipsRequest($xero_tenant_id$pay_run_id$page = null)
+    protected function getPaySlipsRequest($xero_tenant_id, $pay_run_id, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -14461,9 +14461,9 @@ protected function getPaySlipsRequest($xero_tenant_id$pay_run_id$page = null)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\ReimbursementObject
      */
-    public function getReimbursement($xero_tenant_id$reimbursement_id)
+    public function getReimbursement($xero_tenant_id, $reimbursement_id)
     {
-        list($response) = $this->getReimbursementWithHttpInfo($xero_tenant_id$reimbursement_id);
+        list($response) = $this->getReimbursementWithHttpInfo($xero_tenant_id, $reimbursement_id);
         return $response;
     }
     /**
@@ -14475,9 +14475,9 @@ public function getReimbursement($xero_tenant_id$reimbursement_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\ReimbursementObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReimbursementWithHttpInfo($xero_tenant_id$reimbursement_id)
+    public function getReimbursementWithHttpInfo($xero_tenant_id, $reimbursement_id)
     {
-        $request = $this->getReimbursementRequest($xero_tenant_id$reimbursement_id);
+        $request = $this->getReimbursementRequest($xero_tenant_id, $reimbursement_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -14551,9 +14551,9 @@ public function getReimbursementWithHttpInfo($xero_tenant_id$reimbursement_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReimbursementAsync($xero_tenant_id$reimbursement_id)
+    public function getReimbursementAsync($xero_tenant_id, $reimbursement_id)
     {
-        return $this->getReimbursementAsyncWithHttpInfo($xero_tenant_id$reimbursement_id)
+        return $this->getReimbursementAsyncWithHttpInfo($xero_tenant_id, $reimbursement_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -14567,10 +14567,10 @@ function ($response) {
      * @param  string $reimbursement_id Identifier for the reimbursement (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReimbursementAsyncWithHttpInfo($xero_tenant_id$reimbursement_id)
+    public function getReimbursementAsyncWithHttpInfo($xero_tenant_id, $reimbursement_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\ReimbursementObject';
-        $request = $this->getReimbursementRequest($xero_tenant_id$reimbursement_id);
+        $request = $this->getReimbursementRequest($xero_tenant_id, $reimbursement_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -14610,7 +14610,7 @@ function ($exception) {
      * @param  string $reimbursement_id Identifier for the reimbursement (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReimbursementRequest($xero_tenant_id$reimbursement_id)
+    protected function getReimbursementRequest($xero_tenant_id, $reimbursement_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -14711,9 +14711,9 @@ protected function getReimbursementRequest($xero_tenant_id$reimbursement_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\Reimbursements
      */
-    public function getReimbursements($xero_tenant_id$page = null)
+    public function getReimbursements($xero_tenant_id, $page = null)
     {
-        list($response) = $this->getReimbursementsWithHttpInfo($xero_tenant_id$page);
+        list($response) = $this->getReimbursementsWithHttpInfo($xero_tenant_id, $page);
         return $response;
     }
     /**
@@ -14725,9 +14725,9 @@ public function getReimbursements($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\Reimbursements, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getReimbursementsWithHttpInfo($xero_tenant_id$page = null)
+    public function getReimbursementsWithHttpInfo($xero_tenant_id, $page = null)
     {
-        $request = $this->getReimbursementsRequest($xero_tenant_id$page);
+        $request = $this->getReimbursementsRequest($xero_tenant_id, $page);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -14801,9 +14801,9 @@ public function getReimbursementsWithHttpInfo($xero_tenant_id$page = null)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getReimbursementsAsync($xero_tenant_id$page = null)
+    public function getReimbursementsAsync($xero_tenant_id, $page = null)
     {
-        return $this->getReimbursementsAsyncWithHttpInfo($xero_tenant_id$page)
+        return $this->getReimbursementsAsyncWithHttpInfo($xero_tenant_id, $page)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -14817,10 +14817,10 @@ function ($response) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getReimbursementsAsyncWithHttpInfo($xero_tenant_id$page = null)
+    public function getReimbursementsAsyncWithHttpInfo($xero_tenant_id, $page = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\Reimbursements';
-        $request = $this->getReimbursementsRequest($xero_tenant_id$page);
+        $request = $this->getReimbursementsRequest($xero_tenant_id, $page);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -14860,7 +14860,7 @@ function ($exception) {
      * @param  int $page Page number which specifies the set of records to retrieve. By default the number of the records per set is 100. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getReimbursementsRequest($xero_tenant_id$page = null)
+    protected function getReimbursementsRequest($xero_tenant_id, $page = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -15183,9 +15183,9 @@ protected function getSettingsRequest($xero_tenant_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutoryLeavesSummaries
      */
-    public function getStatutoryLeaveSummary($xero_tenant_id$employee_id$active_only = null)
+    public function getStatutoryLeaveSummary($xero_tenant_id, $employee_id, $active_only = null)
     {
-        list($response) = $this->getStatutoryLeaveSummaryWithHttpInfo($xero_tenant_id$employee_id$active_only);
+        list($response) = $this->getStatutoryLeaveSummaryWithHttpInfo($xero_tenant_id, $employee_id, $active_only);
         return $response;
     }
     /**
@@ -15198,9 +15198,9 @@ public function getStatutoryLeaveSummary($xero_tenant_id$employee_id$active_only
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutoryLeavesSummaries, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getStatutoryLeaveSummaryWithHttpInfo($xero_tenant_id$employee_id$active_only = null)
+    public function getStatutoryLeaveSummaryWithHttpInfo($xero_tenant_id, $employee_id, $active_only = null)
     {
-        $request = $this->getStatutoryLeaveSummaryRequest($xero_tenant_id$employee_id$active_only);
+        $request = $this->getStatutoryLeaveSummaryRequest($xero_tenant_id, $employee_id, $active_only);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -15275,9 +15275,9 @@ public function getStatutoryLeaveSummaryWithHttpInfo($xero_tenant_id$employee_id
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getStatutoryLeaveSummaryAsync($xero_tenant_id$employee_id$active_only = null)
+    public function getStatutoryLeaveSummaryAsync($xero_tenant_id, $employee_id, $active_only = null)
     {
-        return $this->getStatutoryLeaveSummaryAsyncWithHttpInfo($xero_tenant_id$employee_id$active_only)
+        return $this->getStatutoryLeaveSummaryAsyncWithHttpInfo($xero_tenant_id, $employee_id, $active_only)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -15292,10 +15292,10 @@ function ($response) {
      * @param  bool $active_only Filter response with leaves that are currently active or yet to be taken. If not specified, all leaves (past, current, and future scheduled) are returned (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getStatutoryLeaveSummaryAsyncWithHttpInfo($xero_tenant_id$employee_id$active_only = null)
+    public function getStatutoryLeaveSummaryAsyncWithHttpInfo($xero_tenant_id, $employee_id, $active_only = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutoryLeavesSummaries';
-        $request = $this->getStatutoryLeaveSummaryRequest($xero_tenant_id$employee_id$active_only);
+        $request = $this->getStatutoryLeaveSummaryRequest($xero_tenant_id, $employee_id, $active_only);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -15336,7 +15336,7 @@ function ($exception) {
      * @param  bool $active_only Filter response with leaves that are currently active or yet to be taken. If not specified, all leaves (past, current, and future scheduled) are returned (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getStatutoryLeaveSummaryRequest($xero_tenant_id$employee_id$active_only = null)
+    protected function getStatutoryLeaveSummaryRequest($xero_tenant_id, $employee_id, $active_only = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -15441,9 +15441,9 @@ protected function getStatutoryLeaveSummaryRequest($xero_tenant_id$employee_id$a
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetObject
      */
-    public function getTimesheet($xero_tenant_id$timesheet_id)
+    public function getTimesheet($xero_tenant_id, $timesheet_id)
     {
-        list($response) = $this->getTimesheetWithHttpInfo($xero_tenant_id$timesheet_id);
+        list($response) = $this->getTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id);
         return $response;
     }
     /**
@@ -15455,9 +15455,9 @@ public function getTimesheet($xero_tenant_id$timesheet_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetObject, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getTimesheetWithHttpInfo($xero_tenant_id$timesheet_id)
+    public function getTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id)
     {
-        $request = $this->getTimesheetRequest($xero_tenant_id$timesheet_id);
+        $request = $this->getTimesheetRequest($xero_tenant_id, $timesheet_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -15531,9 +15531,9 @@ public function getTimesheetWithHttpInfo($xero_tenant_id$timesheet_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getTimesheetAsync($xero_tenant_id$timesheet_id)
+    public function getTimesheetAsync($xero_tenant_id, $timesheet_id)
     {
-        return $this->getTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
+        return $this->getTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -15547,10 +15547,10 @@ function ($response) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
+    public function getTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetObject';
-        $request = $this->getTimesheetRequest($xero_tenant_id$timesheet_id);
+        $request = $this->getTimesheetRequest($xero_tenant_id, $timesheet_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -15590,7 +15590,7 @@ function ($exception) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getTimesheetRequest($xero_tenant_id$timesheet_id)
+    protected function getTimesheetRequest($xero_tenant_id, $timesheet_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -15696,9 +15696,9 @@ protected function getTimesheetRequest($xero_tenant_id$timesheet_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\Timesheets
      */
-    public function getTimesheets($xero_tenant_id$page = null$filter = null$status = null$start_date = null$end_date = null$sort = null)
+    public function getTimesheets($xero_tenant_id, $page = null, $filter = null, $status = null, $start_date = null, $end_date = null, $sort = null)
     {
-        list($response) = $this->getTimesheetsWithHttpInfo($xero_tenant_id$page$filter$status$start_date$end_date$sort);
+        list($response) = $this->getTimesheetsWithHttpInfo($xero_tenant_id, $page, $filter, $status, $start_date, $end_date, $sort);
         return $response;
     }
     /**
@@ -15715,9 +15715,9 @@ public function getTimesheets($xero_tenant_id$page = null$filter = null$status =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\Timesheets, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getTimesheetsWithHttpInfo($xero_tenant_id$page = null$filter = null$status = null$start_date = null$end_date = null$sort = null)
+    public function getTimesheetsWithHttpInfo($xero_tenant_id, $page = null, $filter = null, $status = null, $start_date = null, $end_date = null, $sort = null)
     {
-        $request = $this->getTimesheetsRequest($xero_tenant_id$page$filter$status$start_date$end_date$sort);
+        $request = $this->getTimesheetsRequest($xero_tenant_id, $page, $filter, $status, $start_date, $end_date, $sort);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -15796,9 +15796,9 @@ public function getTimesheetsWithHttpInfo($xero_tenant_id$page = null$filter = n
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getTimesheetsAsync($xero_tenant_id$page = null$filter = null$status = null$start_date = null$end_date = null$sort = null)
+    public function getTimesheetsAsync($xero_tenant_id, $page = null, $filter = null, $status = null, $start_date = null, $end_date = null, $sort = null)
     {
-        return $this->getTimesheetsAsyncWithHttpInfo($xero_tenant_id$page$filter$status$start_date$end_date$sort)
+        return $this->getTimesheetsAsyncWithHttpInfo($xero_tenant_id, $page, $filter, $status, $start_date, $end_date, $sort)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -15817,10 +15817,10 @@ function ($response) {
      * @param  string $sort sort the order of timesheets returned. The default is based on the timesheets createdDate, sorted oldest to newest. Currently, the only other option is to reverse the order based on the timesheets startDate, sorted newest to oldest. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getTimesheetsAsyncWithHttpInfo($xero_tenant_id$page = null$filter = null$status = null$start_date = null$end_date = null$sort = null)
+    public function getTimesheetsAsyncWithHttpInfo($xero_tenant_id, $page = null, $filter = null, $status = null, $start_date = null, $end_date = null, $sort = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\Timesheets';
-        $request = $this->getTimesheetsRequest($xero_tenant_id$page$filter$status$start_date$end_date$sort);
+        $request = $this->getTimesheetsRequest($xero_tenant_id, $page, $filter, $status, $start_date, $end_date, $sort);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -15865,7 +15865,7 @@ function ($exception) {
      * @param  string $sort sort the order of timesheets returned. The default is based on the timesheets createdDate, sorted oldest to newest. Currently, the only other option is to reverse the order based on the timesheets startDate, sorted newest to oldest. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getTimesheetsRequest($xero_tenant_id$page = null$filter = null$status = null$start_date = null$end_date = null$sort = null)
+    protected function getTimesheetsRequest($xero_tenant_id, $page = null, $filter = null, $status = null, $start_date = null, $end_date = null, $sort = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -16207,9 +16207,9 @@ protected function getTrackingCategoriesRequest($xero_tenant_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function revertTimesheet($xero_tenant_id$timesheet_id)
+    public function revertTimesheet($xero_tenant_id, $timesheet_id)
     {
-        list($response) = $this->revertTimesheetWithHttpInfo($xero_tenant_id$timesheet_id);
+        list($response) = $this->revertTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id);
         return $response;
     }
     /**
@@ -16221,9 +16221,9 @@ public function revertTimesheet($xero_tenant_id$timesheet_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function revertTimesheetWithHttpInfo($xero_tenant_id$timesheet_id)
+    public function revertTimesheetWithHttpInfo($xero_tenant_id, $timesheet_id)
     {
-        $request = $this->revertTimesheetRequest($xero_tenant_id$timesheet_id);
+        $request = $this->revertTimesheetRequest($xero_tenant_id, $timesheet_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -16316,9 +16316,9 @@ public function revertTimesheetWithHttpInfo($xero_tenant_id$timesheet_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function revertTimesheetAsync($xero_tenant_id$timesheet_id)
+    public function revertTimesheetAsync($xero_tenant_id, $timesheet_id)
     {
-        return $this->revertTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
+        return $this->revertTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -16332,10 +16332,10 @@ function ($response) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function revertTimesheetAsyncWithHttpInfo($xero_tenant_id$timesheet_id)
+    public function revertTimesheetAsyncWithHttpInfo($xero_tenant_id, $timesheet_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetObject';
-        $request = $this->revertTimesheetRequest($xero_tenant_id$timesheet_id);
+        $request = $this->revertTimesheetRequest($xero_tenant_id, $timesheet_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -16375,7 +16375,7 @@ function ($exception) {
      * @param  string $timesheet_id Identifier for the timesheet (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function revertTimesheetRequest($xero_tenant_id$timesheet_id)
+    protected function revertTimesheetRequest($xero_tenant_id, $timesheet_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -16477,9 +16477,9 @@ protected function revertTimesheetRequest($xero_tenant_id$timesheet_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function updateEmployee($xero_tenant_id$employee_id$employee)
+    public function updateEmployee($xero_tenant_id, $employee_id, $employee)
     {
-        list($response) = $this->updateEmployeeWithHttpInfo($xero_tenant_id$employee_id$employee);
+        list($response) = $this->updateEmployeeWithHttpInfo($xero_tenant_id, $employee_id, $employee);
         return $response;
     }
     /**
@@ -16492,9 +16492,9 @@ public function updateEmployee($xero_tenant_id$employee_id$employee)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateEmployeeWithHttpInfo($xero_tenant_id$employee_id$employee)
+    public function updateEmployeeWithHttpInfo($xero_tenant_id, $employee_id, $employee)
     {
-        $request = $this->updateEmployeeRequest($xero_tenant_id$employee_id$employee);
+        $request = $this->updateEmployeeRequest($xero_tenant_id, $employee_id, $employee);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -16588,9 +16588,9 @@ public function updateEmployeeWithHttpInfo($xero_tenant_id$employee_id$employee)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateEmployeeAsync($xero_tenant_id$employee_id$employee)
+    public function updateEmployeeAsync($xero_tenant_id, $employee_id, $employee)
     {
-        return $this->updateEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id$employee)
+        return $this->updateEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -16605,10 +16605,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Employee $employee (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateEmployeeAsyncWithHttpInfo($xero_tenant_id$employee_id$employee)
+    public function updateEmployeeAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeObject';
-        $request = $this->updateEmployeeRequest($xero_tenant_id$employee_id$employee);
+        $request = $this->updateEmployeeRequest($xero_tenant_id, $employee_id, $employee);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -16649,7 +16649,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\Employee $employee (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateEmployeeRequest($xero_tenant_id$employee_id$employee)
+    protected function updateEmployeeRequest($xero_tenant_id, $employee_id, $employee)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -16761,9 +16761,9 @@ protected function updateEmployeeRequest($xero_tenant_id$employee_id$employee)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplateObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function updateEmployeeEarningsTemplate($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template)
+    public function updateEmployeeEarningsTemplate($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template)
     {
-        list($response) = $this->updateEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template);
+        list($response) = $this->updateEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template);
         return $response;
     }
     /**
@@ -16777,9 +16777,9 @@ public function updateEmployeeEarningsTemplate($xero_tenant_id$employee_id$pay_t
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplateObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template)
+    public function updateEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template)
     {
-        $request = $this->updateEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template);
+        $request = $this->updateEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -16874,9 +16874,9 @@ public function updateEmployeeEarningsTemplateWithHttpInfo($xero_tenant_id$emplo
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateEmployeeEarningsTemplateAsync($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template)
+    public function updateEmployeeEarningsTemplateAsync($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template)
     {
-        return $this->updateEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template)
+        return $this->updateEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -16892,10 +16892,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplate $earnings_template (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template)
+    public function updateEmployeeEarningsTemplateAsyncWithHttpInfo($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplateObject';
-        $request = $this->updateEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template);
+        $request = $this->updateEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -16937,7 +16937,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplate $earnings_template (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateEmployeeEarningsTemplateRequest($xero_tenant_id$employee_id$pay_template_earning_id$earnings_template)
+    protected function updateEmployeeEarningsTemplateRequest($xero_tenant_id, $employee_id, $pay_template_earning_id, $earnings_template)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -17063,9 +17063,9 @@ protected function updateEmployeeEarningsTemplateRequest($xero_tenant_id$employe
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function updateEmployeeLeave($xero_tenant_id$employee_id$leave_id$employee_leave)
+    public function updateEmployeeLeave($xero_tenant_id, $employee_id, $leave_id, $employee_leave)
     {
-        list($response) = $this->updateEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$leave_id$employee_leave);
+        list($response) = $this->updateEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $leave_id, $employee_leave);
         return $response;
     }
     /**
@@ -17079,9 +17079,9 @@ public function updateEmployeeLeave($xero_tenant_id$employee_id$leave_id$employe
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$leave_id$employee_leave)
+    public function updateEmployeeLeaveWithHttpInfo($xero_tenant_id, $employee_id, $leave_id, $employee_leave)
     {
-        $request = $this->updateEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id$employee_leave);
+        $request = $this->updateEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id, $employee_leave);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -17176,9 +17176,9 @@ public function updateEmployeeLeaveWithHttpInfo($xero_tenant_id$employee_id$leav
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateEmployeeLeaveAsync($xero_tenant_id$employee_id$leave_id$employee_leave)
+    public function updateEmployeeLeaveAsync($xero_tenant_id, $employee_id, $leave_id, $employee_leave)
     {
-        return $this->updateEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$leave_id$employee_leave)
+        return $this->updateEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $leave_id, $employee_leave)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -17194,10 +17194,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeave $employee_leave (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id$employee_id$leave_id$employee_leave)
+    public function updateEmployeeLeaveAsyncWithHttpInfo($xero_tenant_id, $employee_id, $leave_id, $employee_leave)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveObject';
-        $request = $this->updateEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id$employee_leave);
+        $request = $this->updateEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id, $employee_leave);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -17239,7 +17239,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeave $employee_leave (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_id$employee_leave)
+    protected function updateEmployeeLeaveRequest($xero_tenant_id, $employee_id, $leave_id, $employee_leave)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -17364,9 +17364,9 @@ protected function updateEmployeeLeaveRequest($xero_tenant_id$employee_id$leave_
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalancesObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function updateEmployeeOpeningBalances($xero_tenant_id$employee_id$employee_opening_balances)
+    public function updateEmployeeOpeningBalances($xero_tenant_id, $employee_id, $employee_opening_balances)
     {
-        list($response) = $this->updateEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id$employee_id$employee_opening_balances);
+        list($response) = $this->updateEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id, $employee_id, $employee_opening_balances);
         return $response;
     }
     /**
@@ -17379,9 +17379,9 @@ public function updateEmployeeOpeningBalances($xero_tenant_id$employee_id$employ
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalancesObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id$employee_id$employee_opening_balances)
+    public function updateEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id, $employee_id, $employee_opening_balances)
     {
-        $request = $this->updateEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id$employee_opening_balances);
+        $request = $this->updateEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id, $employee_opening_balances);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -17475,9 +17475,9 @@ public function updateEmployeeOpeningBalancesWithHttpInfo($xero_tenant_id$employ
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateEmployeeOpeningBalancesAsync($xero_tenant_id$employee_id$employee_opening_balances)
+    public function updateEmployeeOpeningBalancesAsync($xero_tenant_id, $employee_id, $employee_opening_balances)
     {
-        return $this->updateEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_opening_balances)
+        return $this->updateEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_opening_balances)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -17492,10 +17492,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalances $employee_opening_balances (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id$employee_id$employee_opening_balances)
+    public function updateEmployeeOpeningBalancesAsyncWithHttpInfo($xero_tenant_id, $employee_id, $employee_opening_balances)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalancesObject';
-        $request = $this->updateEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id$employee_opening_balances);
+        $request = $this->updateEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id, $employee_opening_balances);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -17536,7 +17536,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalances $employee_opening_balances (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateEmployeeOpeningBalancesRequest($xero_tenant_id$employee_id$employee_opening_balances)
+    protected function updateEmployeeOpeningBalancesRequest($xero_tenant_id, $employee_id, $employee_opening_balances)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -17648,9 +17648,9 @@ protected function updateEmployeeOpeningBalancesRequest($xero_tenant_id$employee
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWageObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function updateEmployeeSalaryAndWage($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage)
+    public function updateEmployeeSalaryAndWage($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage)
     {
-        list($response) = $this->updateEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage);
+        list($response) = $this->updateEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage);
         return $response;
     }
     /**
@@ -17664,9 +17664,9 @@ public function updateEmployeeSalaryAndWage($xero_tenant_id$employee_id$salary_a
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWageObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage)
+    public function updateEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage)
     {
-        $request = $this->updateEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage);
+        $request = $this->updateEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -17761,9 +17761,9 @@ public function updateEmployeeSalaryAndWageWithHttpInfo($xero_tenant_id$employee
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateEmployeeSalaryAndWageAsync($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage)
+    public function updateEmployeeSalaryAndWageAsync($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage)
     {
-        return $this->updateEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage)
+        return $this->updateEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -17779,10 +17779,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWage $salary_and_wage (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage)
+    public function updateEmployeeSalaryAndWageAsyncWithHttpInfo($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWageObject';
-        $request = $this->updateEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage);
+        $request = $this->updateEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -17824,7 +17824,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWage $salary_and_wage (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateEmployeeSalaryAndWageRequest($xero_tenant_id$employee_id$salary_and_wages_id$salary_and_wage)
+    protected function updateEmployeeSalaryAndWageRequest($xero_tenant_id, $employee_id, $salary_and_wages_id, $salary_and_wage)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -17949,9 +17949,9 @@ protected function updateEmployeeSalaryAndWageRequest($xero_tenant_id$employee_i
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\PayRunObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function updatePayRun($xero_tenant_id$pay_run_id$pay_run)
+    public function updatePayRun($xero_tenant_id, $pay_run_id, $pay_run)
     {
-        list($response) = $this->updatePayRunWithHttpInfo($xero_tenant_id$pay_run_id$pay_run);
+        list($response) = $this->updatePayRunWithHttpInfo($xero_tenant_id, $pay_run_id, $pay_run);
         return $response;
     }
     /**
@@ -17964,9 +17964,9 @@ public function updatePayRun($xero_tenant_id$pay_run_id$pay_run)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\PayRunObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updatePayRunWithHttpInfo($xero_tenant_id$pay_run_id$pay_run)
+    public function updatePayRunWithHttpInfo($xero_tenant_id, $pay_run_id, $pay_run)
     {
-        $request = $this->updatePayRunRequest($xero_tenant_id$pay_run_id$pay_run);
+        $request = $this->updatePayRunRequest($xero_tenant_id, $pay_run_id, $pay_run);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -18060,9 +18060,9 @@ public function updatePayRunWithHttpInfo($xero_tenant_id$pay_run_id$pay_run)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updatePayRunAsync($xero_tenant_id$pay_run_id$pay_run)
+    public function updatePayRunAsync($xero_tenant_id, $pay_run_id, $pay_run)
     {
-        return $this->updatePayRunAsyncWithHttpInfo($xero_tenant_id$pay_run_id$pay_run)
+        return $this->updatePayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run_id, $pay_run)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -18077,10 +18077,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\PayRun $pay_run (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updatePayRunAsyncWithHttpInfo($xero_tenant_id$pay_run_id$pay_run)
+    public function updatePayRunAsyncWithHttpInfo($xero_tenant_id, $pay_run_id, $pay_run)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\PayRunObject';
-        $request = $this->updatePayRunRequest($xero_tenant_id$pay_run_id$pay_run);
+        $request = $this->updatePayRunRequest($xero_tenant_id, $pay_run_id, $pay_run);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -18121,7 +18121,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\PayRun $pay_run (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updatePayRunRequest($xero_tenant_id$pay_run_id$pay_run)
+    protected function updatePayRunRequest($xero_tenant_id, $pay_run_id, $pay_run)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -18233,9 +18233,9 @@ protected function updatePayRunRequest($xero_tenant_id$pay_run_id$pay_run)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLineObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem
      */
-    public function updateTimesheetLine($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line)
+    public function updateTimesheetLine($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line)
     {
-        list($response) = $this->updateTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line);
+        list($response) = $this->updateTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line);
         return $response;
     }
     /**
@@ -18249,9 +18249,9 @@ public function updateTimesheetLine($xero_tenant_id$timesheet_id$timesheet_line_
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLineObject|\XeroAPI\XeroPHP\Models\PayrollUk\Problem, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line)
+    public function updateTimesheetLineWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line)
     {
-        $request = $this->updateTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line);
+        $request = $this->updateTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -18346,9 +18346,9 @@ public function updateTimesheetLineWithHttpInfo($xero_tenant_id$timesheet_id$tim
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateTimesheetLineAsync($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line)
+    public function updateTimesheetLineAsync($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line)
     {
-        return $this->updateTimesheetLineAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line)
+        return $this->updateTimesheetLineAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -18364,10 +18364,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine $timesheet_line (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateTimesheetLineAsyncWithHttpInfo($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line)
+    public function updateTimesheetLineAsyncWithHttpInfo($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLineObject';
-        $request = $this->updateTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line);
+        $request = $this->updateTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -18409,7 +18409,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine $timesheet_line (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateTimesheetLineRequest($xero_tenant_id$timesheet_id$timesheet_line_id$timesheet_line)
+    protected function updateTimesheetLineRequest($xero_tenant_id, $timesheet_id, $timesheet_line_id, $timesheet_line)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
diff --git a/lib/Api/ProjectApi.php b/lib/Api/ProjectApi.php
index f01f69d1..6883131e 100644
--- a/lib/Api/ProjectApi.php
+++ b/lib/Api/ProjectApi.php
@@ -17,7 +17,7 @@
  * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
@@ -94,9 +94,9 @@ public function getConfig()
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Project\Project|\XeroAPI\XeroPHP\Models\Project\Error
      */
-    public function createProject($xero_tenant_id$project_create_or_update)
+    public function createProject($xero_tenant_id, $project_create_or_update)
     {
-        list($response) = $this->createProjectWithHttpInfo($xero_tenant_id$project_create_or_update);
+        list($response) = $this->createProjectWithHttpInfo($xero_tenant_id, $project_create_or_update);
         return $response;
     }
     /**
@@ -108,9 +108,9 @@ public function createProject($xero_tenant_id$project_create_or_update)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Project\Project|\XeroAPI\XeroPHP\Models\Project\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createProjectWithHttpInfo($xero_tenant_id$project_create_or_update)
+    public function createProjectWithHttpInfo($xero_tenant_id, $project_create_or_update)
     {
-        $request = $this->createProjectRequest($xero_tenant_id$project_create_or_update);
+        $request = $this->createProjectRequest($xero_tenant_id, $project_create_or_update);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -203,9 +203,9 @@ public function createProjectWithHttpInfo($xero_tenant_id$project_create_or_upda
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createProjectAsync($xero_tenant_id$project_create_or_update)
+    public function createProjectAsync($xero_tenant_id, $project_create_or_update)
     {
-        return $this->createProjectAsyncWithHttpInfo($xero_tenant_id$project_create_or_update)
+        return $this->createProjectAsyncWithHttpInfo($xero_tenant_id, $project_create_or_update)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -219,10 +219,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Project\ProjectCreateOrUpdate $project_create_or_update Create a new project with ProjectCreateOrUpdate object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createProjectAsyncWithHttpInfo($xero_tenant_id$project_create_or_update)
+    public function createProjectAsyncWithHttpInfo($xero_tenant_id, $project_create_or_update)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Project\Project';
-        $request = $this->createProjectRequest($xero_tenant_id$project_create_or_update);
+        $request = $this->createProjectRequest($xero_tenant_id, $project_create_or_update);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -262,7 +262,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Project\ProjectCreateOrUpdate $project_create_or_update Create a new project with ProjectCreateOrUpdate object (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createProjectRequest($xero_tenant_id$project_create_or_update)
+    protected function createProjectRequest($xero_tenant_id, $project_create_or_update)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -359,9 +359,9 @@ protected function createProjectRequest($xero_tenant_id$project_create_or_update
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Project\TimeEntry
      */
-    public function createTimeEntry($xero_tenant_id$project_id$time_entry_create_or_update)
+    public function createTimeEntry($xero_tenant_id, $project_id, $time_entry_create_or_update)
     {
-        list($response) = $this->createTimeEntryWithHttpInfo($xero_tenant_id$project_id$time_entry_create_or_update);
+        list($response) = $this->createTimeEntryWithHttpInfo($xero_tenant_id, $project_id, $time_entry_create_or_update);
         return $response;
     }
     /**
@@ -374,9 +374,9 @@ public function createTimeEntry($xero_tenant_id$project_id$time_entry_create_or_
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Project\TimeEntry, HTTP status code, HTTP response headers (array of strings)
      */
-    public function createTimeEntryWithHttpInfo($xero_tenant_id$project_id$time_entry_create_or_update)
+    public function createTimeEntryWithHttpInfo($xero_tenant_id, $project_id, $time_entry_create_or_update)
     {
-        $request = $this->createTimeEntryRequest($xero_tenant_id$project_id$time_entry_create_or_update);
+        $request = $this->createTimeEntryRequest($xero_tenant_id, $project_id, $time_entry_create_or_update);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -451,9 +451,9 @@ public function createTimeEntryWithHttpInfo($xero_tenant_id$project_id$time_entr
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function createTimeEntryAsync($xero_tenant_id$project_id$time_entry_create_or_update)
+    public function createTimeEntryAsync($xero_tenant_id, $project_id, $time_entry_create_or_update)
     {
-        return $this->createTimeEntryAsyncWithHttpInfo($xero_tenant_id$project_id$time_entry_create_or_update)
+        return $this->createTimeEntryAsyncWithHttpInfo($xero_tenant_id, $project_id, $time_entry_create_or_update)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -468,10 +468,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Project\TimeEntryCreateOrUpdate $time_entry_create_or_update The time entry object you are creating (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function createTimeEntryAsyncWithHttpInfo($xero_tenant_id$project_id$time_entry_create_or_update)
+    public function createTimeEntryAsyncWithHttpInfo($xero_tenant_id, $project_id, $time_entry_create_or_update)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Project\TimeEntry';
-        $request = $this->createTimeEntryRequest($xero_tenant_id$project_id$time_entry_create_or_update);
+        $request = $this->createTimeEntryRequest($xero_tenant_id, $project_id, $time_entry_create_or_update);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -512,7 +512,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Project\TimeEntryCreateOrUpdate $time_entry_create_or_update The time entry object you are creating (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function createTimeEntryRequest($xero_tenant_id$project_id$time_entry_create_or_update)
+    protected function createTimeEntryRequest($xero_tenant_id, $project_id, $time_entry_create_or_update)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -623,9 +623,9 @@ protected function createTimeEntryRequest($xero_tenant_id$project_id$time_entry_
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function deleteTimeEntry($xero_tenant_id$project_id$time_entry_id)
+    public function deleteTimeEntry($xero_tenant_id, $project_id, $time_entry_id)
     {
-        $this->deleteTimeEntryWithHttpInfo($xero_tenant_id$project_id$time_entry_id);
+        $this->deleteTimeEntryWithHttpInfo($xero_tenant_id, $project_id, $time_entry_id);
     }
     /**
      * Operation deleteTimeEntryWithHttpInfo
@@ -637,9 +637,9 @@ public function deleteTimeEntry($xero_tenant_id$project_id$time_entry_id)
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function deleteTimeEntryWithHttpInfo($xero_tenant_id$project_id$time_entry_id)
+    public function deleteTimeEntryWithHttpInfo($xero_tenant_id, $project_id, $time_entry_id)
     {
-        $request = $this->deleteTimeEntryRequest($xero_tenant_id$project_id$time_entry_id);
+        $request = $this->deleteTimeEntryRequest($xero_tenant_id, $project_id, $time_entry_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -681,9 +681,9 @@ public function deleteTimeEntryWithHttpInfo($xero_tenant_id$project_id$time_entr
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function deleteTimeEntryAsync($xero_tenant_id$project_id$time_entry_id)
+    public function deleteTimeEntryAsync($xero_tenant_id, $project_id, $time_entry_id)
     {
-        return $this->deleteTimeEntryAsyncWithHttpInfo($xero_tenant_id$project_id$time_entry_id)
+        return $this->deleteTimeEntryAsyncWithHttpInfo($xero_tenant_id, $project_id, $time_entry_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -698,10 +698,10 @@ function ($response) {
      * @param  string $time_entry_id You can specify an individual task by appending the id to the endpoint (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function deleteTimeEntryAsyncWithHttpInfo($xero_tenant_id$project_id$time_entry_id)
+    public function deleteTimeEntryAsyncWithHttpInfo($xero_tenant_id, $project_id, $time_entry_id)
     {
         $returnType = '';
-        $request = $this->deleteTimeEntryRequest($xero_tenant_id$project_id$time_entry_id);
+        $request = $this->deleteTimeEntryRequest($xero_tenant_id, $project_id, $time_entry_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -732,7 +732,7 @@ function ($exception) {
      * @param  string $time_entry_id You can specify an individual task by appending the id to the endpoint (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function deleteTimeEntryRequest($xero_tenant_id$project_id$time_entry_id)
+    protected function deleteTimeEntryRequest($xero_tenant_id, $project_id, $time_entry_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -847,9 +847,9 @@ protected function deleteTimeEntryRequest($xero_tenant_id$project_id$time_entry_
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Project\Project|\XeroAPI\XeroPHP\Models\Project\Error
      */
-    public function getProject($xero_tenant_id$project_id)
+    public function getProject($xero_tenant_id, $project_id)
     {
-        list($response) = $this->getProjectWithHttpInfo($xero_tenant_id$project_id);
+        list($response) = $this->getProjectWithHttpInfo($xero_tenant_id, $project_id);
         return $response;
     }
     /**
@@ -861,9 +861,9 @@ public function getProject($xero_tenant_id$project_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Project\Project|\XeroAPI\XeroPHP\Models\Project\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getProjectWithHttpInfo($xero_tenant_id$project_id)
+    public function getProjectWithHttpInfo($xero_tenant_id, $project_id)
     {
-        $request = $this->getProjectRequest($xero_tenant_id$project_id);
+        $request = $this->getProjectRequest($xero_tenant_id, $project_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -956,9 +956,9 @@ public function getProjectWithHttpInfo($xero_tenant_id$project_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getProjectAsync($xero_tenant_id$project_id)
+    public function getProjectAsync($xero_tenant_id, $project_id)
     {
-        return $this->getProjectAsyncWithHttpInfo($xero_tenant_id$project_id)
+        return $this->getProjectAsyncWithHttpInfo($xero_tenant_id, $project_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -972,10 +972,10 @@ function ($response) {
      * @param  string $project_id You can specify an individual project by appending the projectId to the endpoint (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getProjectAsyncWithHttpInfo($xero_tenant_id$project_id)
+    public function getProjectAsyncWithHttpInfo($xero_tenant_id, $project_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Project\Project';
-        $request = $this->getProjectRequest($xero_tenant_id$project_id);
+        $request = $this->getProjectRequest($xero_tenant_id, $project_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1015,7 +1015,7 @@ function ($exception) {
      * @param  string $project_id You can specify an individual project by appending the projectId to the endpoint (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getProjectRequest($xero_tenant_id$project_id)
+    protected function getProjectRequest($xero_tenant_id, $project_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1117,9 +1117,9 @@ protected function getProjectRequest($xero_tenant_id$project_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Project\ProjectUsers|\XeroAPI\XeroPHP\Models\Project\Error
      */
-    public function getProjectUsers($xero_tenant_id$page = 1$page_size = 50)
+    public function getProjectUsers($xero_tenant_id, $page = 1, $page_size = 50)
     {
-        list($response) = $this->getProjectUsersWithHttpInfo($xero_tenant_id$page$page_size);
+        list($response) = $this->getProjectUsersWithHttpInfo($xero_tenant_id, $page, $page_size);
         return $response;
     }
     /**
@@ -1132,9 +1132,9 @@ public function getProjectUsers($xero_tenant_id$page = 1$page_size = 50)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Project\ProjectUsers|\XeroAPI\XeroPHP\Models\Project\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getProjectUsersWithHttpInfo($xero_tenant_id$page = 1$page_size = 50)
+    public function getProjectUsersWithHttpInfo($xero_tenant_id, $page = 1, $page_size = 50)
     {
-        $request = $this->getProjectUsersRequest($xero_tenant_id$page$page_size);
+        $request = $this->getProjectUsersRequest($xero_tenant_id, $page, $page_size);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1228,9 +1228,9 @@ public function getProjectUsersWithHttpInfo($xero_tenant_id$page = 1$page_size =
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getProjectUsersAsync($xero_tenant_id$page = 1$page_size = 50)
+    public function getProjectUsersAsync($xero_tenant_id, $page = 1, $page_size = 50)
     {
-        return $this->getProjectUsersAsyncWithHttpInfo($xero_tenant_id$page$page_size)
+        return $this->getProjectUsersAsyncWithHttpInfo($xero_tenant_id, $page, $page_size)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1245,10 +1245,10 @@ function ($response) {
      * @param  int $page_size Optional, it is set to 50 by default. The number of items to return per page in a paged response - Must be a number between 1 and 500. (optional, default to 50)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getProjectUsersAsyncWithHttpInfo($xero_tenant_id$page = 1$page_size = 50)
+    public function getProjectUsersAsyncWithHttpInfo($xero_tenant_id, $page = 1, $page_size = 50)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Project\ProjectUsers';
-        $request = $this->getProjectUsersRequest($xero_tenant_id$page$page_size);
+        $request = $this->getProjectUsersRequest($xero_tenant_id, $page, $page_size);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1289,7 +1289,7 @@ function ($exception) {
      * @param  int $page_size Optional, it is set to 50 by default. The number of items to return per page in a paged response - Must be a number between 1 and 500. (optional, default to 50)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getProjectUsersRequest($xero_tenant_id$page = 1$page_size = 50)
+    protected function getProjectUsersRequest($xero_tenant_id, $page = 1, $page_size = 50)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1395,9 +1395,9 @@ protected function getProjectUsersRequest($xero_tenant_id$page = 1$page_size = 5
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Project\Projects|\XeroAPI\XeroPHP\Models\Project\Error
      */
-    public function getProjects($xero_tenant_id$project_ids = null$contact_id = null$states = null$page = 1$page_size = 50)
+    public function getProjects($xero_tenant_id, $project_ids = null, $contact_id = null, $states = null, $page = 1, $page_size = 50)
     {
-        list($response) = $this->getProjectsWithHttpInfo($xero_tenant_id$project_ids$contact_id$states$page$page_size);
+        list($response) = $this->getProjectsWithHttpInfo($xero_tenant_id, $project_ids, $contact_id, $states, $page, $page_size);
         return $response;
     }
     /**
@@ -1413,9 +1413,9 @@ public function getProjects($xero_tenant_id$project_ids = null$contact_id = null
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Project\Projects|\XeroAPI\XeroPHP\Models\Project\Error, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getProjectsWithHttpInfo($xero_tenant_id$project_ids = null$contact_id = null$states = null$page = 1$page_size = 50)
+    public function getProjectsWithHttpInfo($xero_tenant_id, $project_ids = null, $contact_id = null, $states = null, $page = 1, $page_size = 50)
     {
-        $request = $this->getProjectsRequest($xero_tenant_id$project_ids$contact_id$states$page$page_size);
+        $request = $this->getProjectsRequest($xero_tenant_id, $project_ids, $contact_id, $states, $page, $page_size);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1512,9 +1512,9 @@ public function getProjectsWithHttpInfo($xero_tenant_id$project_ids = null$conta
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getProjectsAsync($xero_tenant_id$project_ids = null$contact_id = null$states = null$page = 1$page_size = 50)
+    public function getProjectsAsync($xero_tenant_id, $project_ids = null, $contact_id = null, $states = null, $page = 1, $page_size = 50)
     {
-        return $this->getProjectsAsyncWithHttpInfo($xero_tenant_id$project_ids$contact_id$states$page$page_size)
+        return $this->getProjectsAsyncWithHttpInfo($xero_tenant_id, $project_ids, $contact_id, $states, $page, $page_size)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1532,10 +1532,10 @@ function ($response) {
      * @param  int $page_size Optional, it is set to 50 by default. The number of items to return per page in a paged response - Must be a number between 1 and 500. (optional, default to 50)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getProjectsAsyncWithHttpInfo($xero_tenant_id$project_ids = null$contact_id = null$states = null$page = 1$page_size = 50)
+    public function getProjectsAsyncWithHttpInfo($xero_tenant_id, $project_ids = null, $contact_id = null, $states = null, $page = 1, $page_size = 50)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Project\Projects';
-        $request = $this->getProjectsRequest($xero_tenant_id$project_ids$contact_id$states$page$page_size);
+        $request = $this->getProjectsRequest($xero_tenant_id, $project_ids, $contact_id, $states, $page, $page_size);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1579,7 +1579,7 @@ function ($exception) {
      * @param  int $page_size Optional, it is set to 50 by default. The number of items to return per page in a paged response - Must be a number between 1 and 500. (optional, default to 50)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getProjectsRequest($xero_tenant_id$project_ids = null$contact_id = null$states = null$page = 1$page_size = 50)
+    protected function getProjectsRequest($xero_tenant_id, $project_ids = null, $contact_id = null, $states = null, $page = 1, $page_size = 50)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1697,9 +1697,9 @@ protected function getProjectsRequest($xero_tenant_id$project_ids = null$contact
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Project\Task
      */
-    public function getTask($xero_tenant_id$project_id$task_id)
+    public function getTask($xero_tenant_id, $project_id, $task_id)
     {
-        list($response) = $this->getTaskWithHttpInfo($xero_tenant_id$project_id$task_id);
+        list($response) = $this->getTaskWithHttpInfo($xero_tenant_id, $project_id, $task_id);
         return $response;
     }
     /**
@@ -1712,9 +1712,9 @@ public function getTask($xero_tenant_id$project_id$task_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Project\Task, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getTaskWithHttpInfo($xero_tenant_id$project_id$task_id)
+    public function getTaskWithHttpInfo($xero_tenant_id, $project_id, $task_id)
     {
-        $request = $this->getTaskRequest($xero_tenant_id$project_id$task_id);
+        $request = $this->getTaskRequest($xero_tenant_id, $project_id, $task_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -1789,9 +1789,9 @@ public function getTaskWithHttpInfo($xero_tenant_id$project_id$task_id)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getTaskAsync($xero_tenant_id$project_id$task_id)
+    public function getTaskAsync($xero_tenant_id, $project_id, $task_id)
     {
-        return $this->getTaskAsyncWithHttpInfo($xero_tenant_id$project_id$task_id)
+        return $this->getTaskAsyncWithHttpInfo($xero_tenant_id, $project_id, $task_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -1806,10 +1806,10 @@ function ($response) {
      * @param  string $task_id You can specify an individual task by appending the taskId to the endpoint, i.e. GET https://.../tasks/{taskID} (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getTaskAsyncWithHttpInfo($xero_tenant_id$project_id$task_id)
+    public function getTaskAsyncWithHttpInfo($xero_tenant_id, $project_id, $task_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Project\Task';
-        $request = $this->getTaskRequest($xero_tenant_id$project_id$task_id);
+        $request = $this->getTaskRequest($xero_tenant_id, $project_id, $task_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -1850,7 +1850,7 @@ function ($exception) {
      * @param  string $task_id You can specify an individual task by appending the taskId to the endpoint, i.e. GET https://.../tasks/{taskID} (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getTaskRequest($xero_tenant_id$project_id$task_id)
+    protected function getTaskRequest($xero_tenant_id, $project_id, $task_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -1969,9 +1969,9 @@ protected function getTaskRequest($xero_tenant_id$project_id$task_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Project\Tasks
      */
-    public function getTasks($xero_tenant_id$project_id$page = null$page_size = null$task_ids = null$charge_type = null)
+    public function getTasks($xero_tenant_id, $project_id, $page = null, $page_size = null, $task_ids = null, $charge_type = null)
     {
-        list($response) = $this->getTasksWithHttpInfo($xero_tenant_id$project_id$page$page_size$task_ids$charge_type);
+        list($response) = $this->getTasksWithHttpInfo($xero_tenant_id, $project_id, $page, $page_size, $task_ids, $charge_type);
         return $response;
     }
     /**
@@ -1987,9 +1987,9 @@ public function getTasks($xero_tenant_id$project_id$page = null$page_size = null
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Project\Tasks, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getTasksWithHttpInfo($xero_tenant_id$project_id$page = null$page_size = null$task_ids = null$charge_type = null)
+    public function getTasksWithHttpInfo($xero_tenant_id, $project_id, $page = null, $page_size = null, $task_ids = null, $charge_type = null)
     {
-        $request = $this->getTasksRequest($xero_tenant_id$project_id$page$page_size$task_ids$charge_type);
+        $request = $this->getTasksRequest($xero_tenant_id, $project_id, $page, $page_size, $task_ids, $charge_type);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2067,9 +2067,9 @@ public function getTasksWithHttpInfo($xero_tenant_id$project_id$page = null$page
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getTasksAsync($xero_tenant_id$project_id$page = null$page_size = null$task_ids = null$charge_type = null)
+    public function getTasksAsync($xero_tenant_id, $project_id, $page = null, $page_size = null, $task_ids = null, $charge_type = null)
     {
-        return $this->getTasksAsyncWithHttpInfo($xero_tenant_id$project_id$page$page_size$task_ids$charge_type)
+        return $this->getTasksAsyncWithHttpInfo($xero_tenant_id, $project_id, $page, $page_size, $task_ids, $charge_type)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2087,10 +2087,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Project\ChargeType $charge_type (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getTasksAsyncWithHttpInfo($xero_tenant_id$project_id$page = null$page_size = null$task_ids = null$charge_type = null)
+    public function getTasksAsyncWithHttpInfo($xero_tenant_id, $project_id, $page = null, $page_size = null, $task_ids = null, $charge_type = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Project\Tasks';
-        $request = $this->getTasksRequest($xero_tenant_id$project_id$page$page_size$task_ids$charge_type);
+        $request = $this->getTasksRequest($xero_tenant_id, $project_id, $page, $page_size, $task_ids, $charge_type);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2134,7 +2134,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Project\ChargeType $charge_type (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getTasksRequest($xero_tenant_id$project_id$page = null$page_size = null$task_ids = null$charge_type = null)
+    protected function getTasksRequest($xero_tenant_id, $project_id, $page = null, $page_size = null, $task_ids = null, $charge_type = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2261,9 +2261,9 @@ protected function getTasksRequest($xero_tenant_id$project_id$page = null$page_s
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Project\TimeEntries
      */
-    public function getTimeEntries($xero_tenant_id$project_id$user_id = null$task_id = null$invoice_id = null$contact_id = null$page = null$page_size = null$states = null$is_chargeable = null$date_after_utc = null$date_before_utc = null)
+    public function getTimeEntries($xero_tenant_id, $project_id, $user_id = null, $task_id = null, $invoice_id = null, $contact_id = null, $page = null, $page_size = null, $states = null, $is_chargeable = null, $date_after_utc = null, $date_before_utc = null)
     {
-        list($response) = $this->getTimeEntriesWithHttpInfo($xero_tenant_id$project_id$user_id$task_id$invoice_id$contact_id$page$page_size$states$is_chargeable$date_after_utc$date_before_utc);
+        list($response) = $this->getTimeEntriesWithHttpInfo($xero_tenant_id, $project_id, $user_id, $task_id, $invoice_id, $contact_id, $page, $page_size, $states, $is_chargeable, $date_after_utc, $date_before_utc);
         return $response;
     }
     /**
@@ -2285,9 +2285,9 @@ public function getTimeEntries($xero_tenant_id$project_id$user_id = null$task_id
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Project\TimeEntries, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getTimeEntriesWithHttpInfo($xero_tenant_id$project_id$user_id = null$task_id = null$invoice_id = null$contact_id = null$page = null$page_size = null$states = null$is_chargeable = null$date_after_utc = null$date_before_utc = null)
+    public function getTimeEntriesWithHttpInfo($xero_tenant_id, $project_id, $user_id = null, $task_id = null, $invoice_id = null, $contact_id = null, $page = null, $page_size = null, $states = null, $is_chargeable = null, $date_after_utc = null, $date_before_utc = null)
     {
-        $request = $this->getTimeEntriesRequest($xero_tenant_id$project_id$user_id$task_id$invoice_id$contact_id$page$page_size$states$is_chargeable$date_after_utc$date_before_utc);
+        $request = $this->getTimeEntriesRequest($xero_tenant_id, $project_id, $user_id, $task_id, $invoice_id, $contact_id, $page, $page_size, $states, $is_chargeable, $date_after_utc, $date_before_utc);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2371,9 +2371,9 @@ public function getTimeEntriesWithHttpInfo($xero_tenant_id$project_id$user_id =
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getTimeEntriesAsync($xero_tenant_id$project_id$user_id = null$task_id = null$invoice_id = null$contact_id = null$page = null$page_size = null$states = null$is_chargeable = null$date_after_utc = null$date_before_utc = null)
+    public function getTimeEntriesAsync($xero_tenant_id, $project_id, $user_id = null, $task_id = null, $invoice_id = null, $contact_id = null, $page = null, $page_size = null, $states = null, $is_chargeable = null, $date_after_utc = null, $date_before_utc = null)
     {
-        return $this->getTimeEntriesAsyncWithHttpInfo($xero_tenant_id$project_id$user_id$task_id$invoice_id$contact_id$page$page_size$states$is_chargeable$date_after_utc$date_before_utc)
+        return $this->getTimeEntriesAsyncWithHttpInfo($xero_tenant_id, $project_id, $user_id, $task_id, $invoice_id, $contact_id, $page, $page_size, $states, $is_chargeable, $date_after_utc, $date_before_utc)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2397,10 +2397,10 @@ function ($response) {
      * @param  \DateTime $date_before_utc ISO 8601 UTC date. Finds all time entries on or before this date filtered on the &#x60;dateUtc&#x60; field. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getTimeEntriesAsyncWithHttpInfo($xero_tenant_id$project_id$user_id = null$task_id = null$invoice_id = null$contact_id = null$page = null$page_size = null$states = null$is_chargeable = null$date_after_utc = null$date_before_utc = null)
+    public function getTimeEntriesAsyncWithHttpInfo($xero_tenant_id, $project_id, $user_id = null, $task_id = null, $invoice_id = null, $contact_id = null, $page = null, $page_size = null, $states = null, $is_chargeable = null, $date_after_utc = null, $date_before_utc = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Project\TimeEntries';
-        $request = $this->getTimeEntriesRequest($xero_tenant_id$project_id$user_id$task_id$invoice_id$contact_id$page$page_size$states$is_chargeable$date_after_utc$date_before_utc);
+        $request = $this->getTimeEntriesRequest($xero_tenant_id, $project_id, $user_id, $task_id, $invoice_id, $contact_id, $page, $page_size, $states, $is_chargeable, $date_after_utc, $date_before_utc);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2450,7 +2450,7 @@ function ($exception) {
      * @param  \DateTime $date_before_utc ISO 8601 UTC date. Finds all time entries on or before this date filtered on the &#x60;dateUtc&#x60; field. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getTimeEntriesRequest($xero_tenant_id$project_id$user_id = null$task_id = null$invoice_id = null$contact_id = null$page = null$page_size = null$states = null$is_chargeable = null$date_after_utc = null$date_before_utc = null)
+    protected function getTimeEntriesRequest($xero_tenant_id, $project_id, $user_id = null, $task_id = null, $invoice_id = null, $contact_id = null, $page = null, $page_size = null, $states = null, $is_chargeable = null, $date_after_utc = null, $date_before_utc = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2595,9 +2595,9 @@ protected function getTimeEntriesRequest($xero_tenant_id$project_id$user_id = nu
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Project\TimeEntry
      */
-    public function getTimeEntry($xero_tenant_id$project_id$time_entry_id)
+    public function getTimeEntry($xero_tenant_id, $project_id, $time_entry_id)
     {
-        list($response) = $this->getTimeEntryWithHttpInfo($xero_tenant_id$project_id$time_entry_id);
+        list($response) = $this->getTimeEntryWithHttpInfo($xero_tenant_id, $project_id, $time_entry_id);
         return $response;
     }
     /**
@@ -2610,9 +2610,9 @@ public function getTimeEntry($xero_tenant_id$project_id$time_entry_id)
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Project\TimeEntry, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getTimeEntryWithHttpInfo($xero_tenant_id$project_id$time_entry_id)
+    public function getTimeEntryWithHttpInfo($xero_tenant_id, $project_id, $time_entry_id)
     {
-        $request = $this->getTimeEntryRequest($xero_tenant_id$project_id$time_entry_id);
+        $request = $this->getTimeEntryRequest($xero_tenant_id, $project_id, $time_entry_id);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2687,9 +2687,9 @@ public function getTimeEntryWithHttpInfo($xero_tenant_id$project_id$time_entry_i
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getTimeEntryAsync($xero_tenant_id$project_id$time_entry_id)
+    public function getTimeEntryAsync($xero_tenant_id, $project_id, $time_entry_id)
     {
-        return $this->getTimeEntryAsyncWithHttpInfo($xero_tenant_id$project_id$time_entry_id)
+        return $this->getTimeEntryAsyncWithHttpInfo($xero_tenant_id, $project_id, $time_entry_id)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2704,10 +2704,10 @@ function ($response) {
      * @param  string $time_entry_id You can specify an individual time entry by appending the id to the endpoint (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getTimeEntryAsyncWithHttpInfo($xero_tenant_id$project_id$time_entry_id)
+    public function getTimeEntryAsyncWithHttpInfo($xero_tenant_id, $project_id, $time_entry_id)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Project\TimeEntry';
-        $request = $this->getTimeEntryRequest($xero_tenant_id$project_id$time_entry_id);
+        $request = $this->getTimeEntryRequest($xero_tenant_id, $project_id, $time_entry_id);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2748,7 +2748,7 @@ function ($exception) {
      * @param  string $time_entry_id You can specify an individual time entry by appending the id to the endpoint (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getTimeEntryRequest($xero_tenant_id$project_id$time_entry_id)
+    protected function getTimeEntryRequest($xero_tenant_id, $project_id, $time_entry_id)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -2864,9 +2864,9 @@ protected function getTimeEntryRequest($xero_tenant_id$project_id$time_entry_id)
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function patchProject($xero_tenant_id$project_id$project_patch)
+    public function patchProject($xero_tenant_id, $project_id, $project_patch)
     {
-        $this->patchProjectWithHttpInfo($xero_tenant_id$project_id$project_patch);
+        $this->patchProjectWithHttpInfo($xero_tenant_id, $project_id, $project_patch);
     }
     /**
      * Operation patchProjectWithHttpInfo
@@ -2878,9 +2878,9 @@ public function patchProject($xero_tenant_id$project_id$project_patch)
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function patchProjectWithHttpInfo($xero_tenant_id$project_id$project_patch)
+    public function patchProjectWithHttpInfo($xero_tenant_id, $project_id, $project_patch)
     {
-        $request = $this->patchProjectRequest($xero_tenant_id$project_id$project_patch);
+        $request = $this->patchProjectRequest($xero_tenant_id, $project_id, $project_patch);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -2930,9 +2930,9 @@ public function patchProjectWithHttpInfo($xero_tenant_id$project_id$project_patc
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function patchProjectAsync($xero_tenant_id$project_id$project_patch)
+    public function patchProjectAsync($xero_tenant_id, $project_id, $project_patch)
     {
-        return $this->patchProjectAsyncWithHttpInfo($xero_tenant_id$project_id$project_patch)
+        return $this->patchProjectAsyncWithHttpInfo($xero_tenant_id, $project_id, $project_patch)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -2947,10 +2947,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Project\ProjectPatch $project_patch Update the status of an existing Project (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function patchProjectAsyncWithHttpInfo($xero_tenant_id$project_id$project_patch)
+    public function patchProjectAsyncWithHttpInfo($xero_tenant_id, $project_id, $project_patch)
     {
         $returnType = '';
-        $request = $this->patchProjectRequest($xero_tenant_id$project_id$project_patch);
+        $request = $this->patchProjectRequest($xero_tenant_id, $project_id, $project_patch);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -2981,7 +2981,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Project\ProjectPatch $project_patch Update the status of an existing Project (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function patchProjectRequest($xero_tenant_id$project_id$project_patch)
+    protected function patchProjectRequest($xero_tenant_id, $project_id, $project_patch)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3092,9 +3092,9 @@ protected function patchProjectRequest($xero_tenant_id$project_id$project_patch)
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function updateProject($xero_tenant_id$project_id$project_create_or_update)
+    public function updateProject($xero_tenant_id, $project_id, $project_create_or_update)
     {
-        $this->updateProjectWithHttpInfo($xero_tenant_id$project_id$project_create_or_update);
+        $this->updateProjectWithHttpInfo($xero_tenant_id, $project_id, $project_create_or_update);
     }
     /**
      * Operation updateProjectWithHttpInfo
@@ -3106,9 +3106,9 @@ public function updateProject($xero_tenant_id$project_id$project_create_or_updat
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateProjectWithHttpInfo($xero_tenant_id$project_id$project_create_or_update)
+    public function updateProjectWithHttpInfo($xero_tenant_id, $project_id, $project_create_or_update)
     {
-        $request = $this->updateProjectRequest($xero_tenant_id$project_id$project_create_or_update);
+        $request = $this->updateProjectRequest($xero_tenant_id, $project_id, $project_create_or_update);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3158,9 +3158,9 @@ public function updateProjectWithHttpInfo($xero_tenant_id$project_id$project_cre
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateProjectAsync($xero_tenant_id$project_id$project_create_or_update)
+    public function updateProjectAsync($xero_tenant_id, $project_id, $project_create_or_update)
     {
-        return $this->updateProjectAsyncWithHttpInfo($xero_tenant_id$project_id$project_create_or_update)
+        return $this->updateProjectAsyncWithHttpInfo($xero_tenant_id, $project_id, $project_create_or_update)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3175,10 +3175,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Project\ProjectCreateOrUpdate $project_create_or_update Request of type ProjectCreateOrUpdate (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateProjectAsyncWithHttpInfo($xero_tenant_id$project_id$project_create_or_update)
+    public function updateProjectAsyncWithHttpInfo($xero_tenant_id, $project_id, $project_create_or_update)
     {
         $returnType = '';
-        $request = $this->updateProjectRequest($xero_tenant_id$project_id$project_create_or_update);
+        $request = $this->updateProjectRequest($xero_tenant_id, $project_id, $project_create_or_update);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3209,7 +3209,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Project\ProjectCreateOrUpdate $project_create_or_update Request of type ProjectCreateOrUpdate (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateProjectRequest($xero_tenant_id$project_id$project_create_or_update)
+    protected function updateProjectRequest($xero_tenant_id, $project_id, $project_create_or_update)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -3321,9 +3321,9 @@ protected function updateProjectRequest($xero_tenant_id$project_id$project_creat
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function updateTimeEntry($xero_tenant_id$project_id$time_entry_id$time_entry_create_or_update)
+    public function updateTimeEntry($xero_tenant_id, $project_id, $time_entry_id, $time_entry_create_or_update)
     {
-        $this->updateTimeEntryWithHttpInfo($xero_tenant_id$project_id$time_entry_id$time_entry_create_or_update);
+        $this->updateTimeEntryWithHttpInfo($xero_tenant_id, $project_id, $time_entry_id, $time_entry_create_or_update);
     }
     /**
      * Operation updateTimeEntryWithHttpInfo
@@ -3336,9 +3336,9 @@ public function updateTimeEntry($xero_tenant_id$project_id$time_entry_id$time_en
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function updateTimeEntryWithHttpInfo($xero_tenant_id$project_id$time_entry_id$time_entry_create_or_update)
+    public function updateTimeEntryWithHttpInfo($xero_tenant_id, $project_id, $time_entry_id, $time_entry_create_or_update)
     {
-        $request = $this->updateTimeEntryRequest($xero_tenant_id$project_id$time_entry_id$time_entry_create_or_update);
+        $request = $this->updateTimeEntryRequest($xero_tenant_id, $project_id, $time_entry_id, $time_entry_create_or_update);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -3381,9 +3381,9 @@ public function updateTimeEntryWithHttpInfo($xero_tenant_id$project_id$time_entr
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function updateTimeEntryAsync($xero_tenant_id$project_id$time_entry_id$time_entry_create_or_update)
+    public function updateTimeEntryAsync($xero_tenant_id, $project_id, $time_entry_id, $time_entry_create_or_update)
     {
-        return $this->updateTimeEntryAsyncWithHttpInfo($xero_tenant_id$project_id$time_entry_id$time_entry_create_or_update)
+        return $this->updateTimeEntryAsyncWithHttpInfo($xero_tenant_id, $project_id, $time_entry_id, $time_entry_create_or_update)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3399,10 +3399,10 @@ function ($response) {
      * @param  \XeroAPI\XeroPHP\Models\Project\TimeEntryCreateOrUpdate $time_entry_create_or_update The time entry object you are updating (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function updateTimeEntryAsyncWithHttpInfo($xero_tenant_id$project_id$time_entry_id$time_entry_create_or_update)
+    public function updateTimeEntryAsyncWithHttpInfo($xero_tenant_id, $project_id, $time_entry_id, $time_entry_create_or_update)
     {
         $returnType = '';
-        $request = $this->updateTimeEntryRequest($xero_tenant_id$project_id$time_entry_id$time_entry_create_or_update);
+        $request = $this->updateTimeEntryRequest($xero_tenant_id, $project_id, $time_entry_id, $time_entry_create_or_update);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -3434,7 +3434,7 @@ function ($exception) {
      * @param  \XeroAPI\XeroPHP\Models\Project\TimeEntryCreateOrUpdate $time_entry_create_or_update The time entry object you are updating (required)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function updateTimeEntryRequest($xero_tenant_id$project_id$time_entry_id$time_entry_create_or_update)
+    protected function updateTimeEntryRequest($xero_tenant_id, $project_id, $time_entry_id, $time_entry_create_or_update)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
diff --git a/lib/AppStoreObjectSerializer.php b/lib/AppStoreObjectSerializer.php
index 876793ad..0a41b741 100644
--- a/lib/AppStoreObjectSerializer.php
+++ b/lib/AppStoreObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {
diff --git a/lib/AssetObjectSerializer.php b/lib/AssetObjectSerializer.php
index cde56e9a..9cbc8fa0 100644
--- a/lib/AssetObjectSerializer.php
+++ b/lib/AssetObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {
diff --git a/lib/Configuration.php b/lib/Configuration.php
index 0841c64d..25867859 100644
--- a/lib/Configuration.php
+++ b/lib/Configuration.php
@@ -16,7 +16,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/FileObjectSerializer.php b/lib/FileObjectSerializer.php
index 9bac0e10..30a3c5e8 100644
--- a/lib/FileObjectSerializer.php
+++ b/lib/FileObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {
diff --git a/lib/FinanceObjectSerializer.php b/lib/FinanceObjectSerializer.php
index b1600046..867ce564 100644
--- a/lib/FinanceObjectSerializer.php
+++ b/lib/FinanceObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {
diff --git a/lib/IdentityObjectSerializer.php b/lib/IdentityObjectSerializer.php
index aa2ddbd7..4a1e1ab2 100644
--- a/lib/IdentityObjectSerializer.php
+++ b/lib/IdentityObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {
diff --git a/lib/Models/Accounting/Account.php b/lib/Models/Accounting/Account.php
index 48fcf509..6474aec1 100644
--- a/lib/Models/Accounting/Account.php
+++ b/lib/Models/Accounting/Account.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,26 @@ class Account implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'code' => 'string''name' => 'string''account_id' => 'string''type' => '\XeroAPI\XeroPHP\Models\Accounting\AccountType''bank_account_number' => 'string''status' => 'string''description' => 'string''bank_account_type' => 'string''currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode''tax_type' => 'string''enable_payments_to_account' => 'bool''show_in_expense_claims' => 'bool''class' => 'string''system_account' => 'string''reporting_code' => 'string''reporting_code_name' => 'string''has_attachments' => 'bool''updated_date_utc' => 'string''add_to_watchlist' => 'bool''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
+        'code' => 'string',
+        'name' => 'string',
+        'account_id' => 'string',
+        'type' => '\XeroAPI\XeroPHP\Models\Accounting\AccountType',
+        'bank_account_number' => 'string',
+        'status' => 'string',
+        'description' => 'string',
+        'bank_account_type' => 'string',
+        'currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode',
+        'tax_type' => 'string',
+        'enable_payments_to_account' => 'bool',
+        'show_in_expense_claims' => 'bool',
+        'class' => 'string',
+        'system_account' => 'string',
+        'reporting_code' => 'string',
+        'reporting_code_name' => 'string',
+        'has_attachments' => 'bool',
+        'updated_date_utc' => 'string',
+        'add_to_watchlist' => 'bool',
+        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
     ];
 
     /**
@@ -67,7 +86,26 @@ class Account implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'code' => null'name' => null'account_id' => 'uuid''type' => null'bank_account_number' => null'status' => null'description' => null'bank_account_type' => null'currency_code' => null'tax_type' => null'enable_payments_to_account' => null'show_in_expense_claims' => null'class' => null'system_account' => null'reporting_code' => null'reporting_code_name' => null'has_attachments' => null'updated_date_utc' => null'add_to_watchlist' => null'validation_errors' => null
+        'code' => null,
+        'name' => null,
+        'account_id' => 'uuid',
+        'type' => null,
+        'bank_account_number' => null,
+        'status' => null,
+        'description' => null,
+        'bank_account_type' => null,
+        'currency_code' => null,
+        'tax_type' => null,
+        'enable_payments_to_account' => null,
+        'show_in_expense_claims' => null,
+        'class' => null,
+        'system_account' => null,
+        'reporting_code' => null,
+        'reporting_code_name' => null,
+        'has_attachments' => null,
+        'updated_date_utc' => null,
+        'add_to_watchlist' => null,
+        'validation_errors' => null
     ];
 
     /**
@@ -97,7 +135,26 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'code' => 'Code''name' => 'Name''account_id' => 'AccountID''type' => 'Type''bank_account_number' => 'BankAccountNumber''status' => 'Status''description' => 'Description''bank_account_type' => 'BankAccountType''currency_code' => 'CurrencyCode''tax_type' => 'TaxType''enable_payments_to_account' => 'EnablePaymentsToAccount''show_in_expense_claims' => 'ShowInExpenseClaims''class' => 'Class''system_account' => 'SystemAccount''reporting_code' => 'ReportingCode''reporting_code_name' => 'ReportingCodeName''has_attachments' => 'HasAttachments''updated_date_utc' => 'UpdatedDateUTC''add_to_watchlist' => 'AddToWatchlist''validation_errors' => 'ValidationErrors'
+        'code' => 'Code',
+        'name' => 'Name',
+        'account_id' => 'AccountID',
+        'type' => 'Type',
+        'bank_account_number' => 'BankAccountNumber',
+        'status' => 'Status',
+        'description' => 'Description',
+        'bank_account_type' => 'BankAccountType',
+        'currency_code' => 'CurrencyCode',
+        'tax_type' => 'TaxType',
+        'enable_payments_to_account' => 'EnablePaymentsToAccount',
+        'show_in_expense_claims' => 'ShowInExpenseClaims',
+        'class' => 'Class',
+        'system_account' => 'SystemAccount',
+        'reporting_code' => 'ReportingCode',
+        'reporting_code_name' => 'ReportingCodeName',
+        'has_attachments' => 'HasAttachments',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'add_to_watchlist' => 'AddToWatchlist',
+        'validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -106,7 +163,26 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'code' => 'setCode''name' => 'setName''account_id' => 'setAccountId''type' => 'setType''bank_account_number' => 'setBankAccountNumber''status' => 'setStatus''description' => 'setDescription''bank_account_type' => 'setBankAccountType''currency_code' => 'setCurrencyCode''tax_type' => 'setTaxType''enable_payments_to_account' => 'setEnablePaymentsToAccount''show_in_expense_claims' => 'setShowInExpenseClaims''class' => 'setClass''system_account' => 'setSystemAccount''reporting_code' => 'setReportingCode''reporting_code_name' => 'setReportingCodeName''has_attachments' => 'setHasAttachments''updated_date_utc' => 'setUpdatedDateUtc''add_to_watchlist' => 'setAddToWatchlist''validation_errors' => 'setValidationErrors'
+        'code' => 'setCode',
+        'name' => 'setName',
+        'account_id' => 'setAccountId',
+        'type' => 'setType',
+        'bank_account_number' => 'setBankAccountNumber',
+        'status' => 'setStatus',
+        'description' => 'setDescription',
+        'bank_account_type' => 'setBankAccountType',
+        'currency_code' => 'setCurrencyCode',
+        'tax_type' => 'setTaxType',
+        'enable_payments_to_account' => 'setEnablePaymentsToAccount',
+        'show_in_expense_claims' => 'setShowInExpenseClaims',
+        'class' => 'setClass',
+        'system_account' => 'setSystemAccount',
+        'reporting_code' => 'setReportingCode',
+        'reporting_code_name' => 'setReportingCodeName',
+        'has_attachments' => 'setHasAttachments',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'add_to_watchlist' => 'setAddToWatchlist',
+        'validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -115,7 +191,26 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'code' => 'getCode''name' => 'getName''account_id' => 'getAccountId''type' => 'getType''bank_account_number' => 'getBankAccountNumber''status' => 'getStatus''description' => 'getDescription''bank_account_type' => 'getBankAccountType''currency_code' => 'getCurrencyCode''tax_type' => 'getTaxType''enable_payments_to_account' => 'getEnablePaymentsToAccount''show_in_expense_claims' => 'getShowInExpenseClaims''class' => 'getClass''system_account' => 'getSystemAccount''reporting_code' => 'getReportingCode''reporting_code_name' => 'getReportingCodeName''has_attachments' => 'getHasAttachments''updated_date_utc' => 'getUpdatedDateUtc''add_to_watchlist' => 'getAddToWatchlist''validation_errors' => 'getValidationErrors'
+        'code' => 'getCode',
+        'name' => 'getName',
+        'account_id' => 'getAccountId',
+        'type' => 'getType',
+        'bank_account_number' => 'getBankAccountNumber',
+        'status' => 'getStatus',
+        'description' => 'getDescription',
+        'bank_account_type' => 'getBankAccountType',
+        'currency_code' => 'getCurrencyCode',
+        'tax_type' => 'getTaxType',
+        'enable_payments_to_account' => 'getEnablePaymentsToAccount',
+        'show_in_expense_claims' => 'getShowInExpenseClaims',
+        'class' => 'getClass',
+        'system_account' => 'getSystemAccount',
+        'reporting_code' => 'getReportingCode',
+        'reporting_code_name' => 'getReportingCodeName',
+        'has_attachments' => 'getHasAttachments',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'add_to_watchlist' => 'getAddToWatchlist',
+        'validation_errors' => 'getValidationErrors'
     ];
 
     /**
diff --git a/lib/Models/Accounting/AccountType.php b/lib/Models/Accounting/AccountType.php
index dd251beb..fbf92b2c 100644
--- a/lib/Models/Accounting/AccountType.php
+++ b/lib/Models/Accounting/AccountType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/Accounts.php b/lib/Models/Accounting/Accounts.php
index 28e2da51..5b49bc4d 100644
--- a/lib/Models/Accounting/Accounts.php
+++ b/lib/Models/Accounting/Accounts.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/AccountsPayable.php b/lib/Models/Accounting/AccountsPayable.php
index b1cfbeba..e5d1f27b 100644
--- a/lib/Models/Accounting/AccountsPayable.php
+++ b/lib/Models/Accounting/AccountsPayable.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class AccountsPayable implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'outstanding' => 'double''overdue' => 'double'
+        'outstanding' => 'double',
+        'overdue' => 'double'
     ];
 
     /**
@@ -67,7 +68,8 @@ class AccountsPayable implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'outstanding' => 'double''overdue' => 'double'
+        'outstanding' => 'double',
+        'overdue' => 'double'
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'outstanding' => 'Outstanding''overdue' => 'Overdue'
+        'outstanding' => 'Outstanding',
+        'overdue' => 'Overdue'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'outstanding' => 'setOutstanding''overdue' => 'setOverdue'
+        'outstanding' => 'setOutstanding',
+        'overdue' => 'setOverdue'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'outstanding' => 'getOutstanding''overdue' => 'getOverdue'
+        'outstanding' => 'getOutstanding',
+        'overdue' => 'getOverdue'
     ];
 
     /**
diff --git a/lib/Models/Accounting/AccountsReceivable.php b/lib/Models/Accounting/AccountsReceivable.php
index bbca4859..b2cb78b9 100644
--- a/lib/Models/Accounting/AccountsReceivable.php
+++ b/lib/Models/Accounting/AccountsReceivable.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class AccountsReceivable implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'outstanding' => 'double''overdue' => 'double'
+        'outstanding' => 'double',
+        'overdue' => 'double'
     ];
 
     /**
@@ -67,7 +68,8 @@ class AccountsReceivable implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'outstanding' => 'double''overdue' => 'double'
+        'outstanding' => 'double',
+        'overdue' => 'double'
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'outstanding' => 'Outstanding''overdue' => 'Overdue'
+        'outstanding' => 'Outstanding',
+        'overdue' => 'Overdue'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'outstanding' => 'setOutstanding''overdue' => 'setOverdue'
+        'outstanding' => 'setOutstanding',
+        'overdue' => 'setOverdue'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'outstanding' => 'getOutstanding''overdue' => 'getOverdue'
+        'outstanding' => 'getOutstanding',
+        'overdue' => 'getOverdue'
     ];
 
     /**
diff --git a/lib/Models/Accounting/Action.php b/lib/Models/Accounting/Action.php
index 0f7bc633..acd1b846 100644
--- a/lib/Models/Accounting/Action.php
+++ b/lib/Models/Accounting/Action.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class Action implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string''status' => 'string'
+        'name' => 'string',
+        'status' => 'string'
     ];
 
     /**
@@ -67,7 +68,8 @@ class Action implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null'status' => null
+        'name' => null,
+        'status' => null
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'Name''status' => 'Status'
+        'name' => 'Name',
+        'status' => 'Status'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName''status' => 'setStatus'
+        'name' => 'setName',
+        'status' => 'setStatus'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName''status' => 'getStatus'
+        'name' => 'getName',
+        'status' => 'getStatus'
     ];
 
     /**
diff --git a/lib/Models/Accounting/Actions.php b/lib/Models/Accounting/Actions.php
index 4c95dd70..4e7e21f0 100644
--- a/lib/Models/Accounting/Actions.php
+++ b/lib/Models/Accounting/Actions.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/Address.php b/lib/Models/Accounting/Address.php
index 76ba546c..2ed7abda 100644
--- a/lib/Models/Accounting/Address.php
+++ b/lib/Models/Accounting/Address.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,16 @@ class Address implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'address_type' => 'string''address_line1' => 'string''address_line2' => 'string''address_line3' => 'string''address_line4' => 'string''city' => 'string''region' => 'string''postal_code' => 'string''country' => 'string''attention_to' => 'string'
+        'address_type' => 'string',
+        'address_line1' => 'string',
+        'address_line2' => 'string',
+        'address_line3' => 'string',
+        'address_line4' => 'string',
+        'city' => 'string',
+        'region' => 'string',
+        'postal_code' => 'string',
+        'country' => 'string',
+        'attention_to' => 'string'
     ];
 
     /**
@@ -67,7 +76,16 @@ class Address implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'address_type' => null'address_line1' => null'address_line2' => null'address_line3' => null'address_line4' => null'city' => null'region' => null'postal_code' => null'country' => null'attention_to' => null
+        'address_type' => null,
+        'address_line1' => null,
+        'address_line2' => null,
+        'address_line3' => null,
+        'address_line4' => null,
+        'city' => null,
+        'region' => null,
+        'postal_code' => null,
+        'country' => null,
+        'attention_to' => null
     ];
 
     /**
@@ -97,7 +115,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'address_type' => 'AddressType''address_line1' => 'AddressLine1''address_line2' => 'AddressLine2''address_line3' => 'AddressLine3''address_line4' => 'AddressLine4''city' => 'City''region' => 'Region''postal_code' => 'PostalCode''country' => 'Country''attention_to' => 'AttentionTo'
+        'address_type' => 'AddressType',
+        'address_line1' => 'AddressLine1',
+        'address_line2' => 'AddressLine2',
+        'address_line3' => 'AddressLine3',
+        'address_line4' => 'AddressLine4',
+        'city' => 'City',
+        'region' => 'Region',
+        'postal_code' => 'PostalCode',
+        'country' => 'Country',
+        'attention_to' => 'AttentionTo'
     ];
 
     /**
@@ -106,7 +133,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'address_type' => 'setAddressType''address_line1' => 'setAddressLine1''address_line2' => 'setAddressLine2''address_line3' => 'setAddressLine3''address_line4' => 'setAddressLine4''city' => 'setCity''region' => 'setRegion''postal_code' => 'setPostalCode''country' => 'setCountry''attention_to' => 'setAttentionTo'
+        'address_type' => 'setAddressType',
+        'address_line1' => 'setAddressLine1',
+        'address_line2' => 'setAddressLine2',
+        'address_line3' => 'setAddressLine3',
+        'address_line4' => 'setAddressLine4',
+        'city' => 'setCity',
+        'region' => 'setRegion',
+        'postal_code' => 'setPostalCode',
+        'country' => 'setCountry',
+        'attention_to' => 'setAttentionTo'
     ];
 
     /**
@@ -115,7 +151,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'address_type' => 'getAddressType''address_line1' => 'getAddressLine1''address_line2' => 'getAddressLine2''address_line3' => 'getAddressLine3''address_line4' => 'getAddressLine4''city' => 'getCity''region' => 'getRegion''postal_code' => 'getPostalCode''country' => 'getCountry''attention_to' => 'getAttentionTo'
+        'address_type' => 'getAddressType',
+        'address_line1' => 'getAddressLine1',
+        'address_line2' => 'getAddressLine2',
+        'address_line3' => 'getAddressLine3',
+        'address_line4' => 'getAddressLine4',
+        'city' => 'getCity',
+        'region' => 'getRegion',
+        'postal_code' => 'getPostalCode',
+        'country' => 'getCountry',
+        'attention_to' => 'getAttentionTo'
     ];
 
     /**
diff --git a/lib/Models/Accounting/AddressForOrganisation.php b/lib/Models/Accounting/AddressForOrganisation.php
index f8d0a9ee..93ef7b3c 100644
--- a/lib/Models/Accounting/AddressForOrganisation.php
+++ b/lib/Models/Accounting/AddressForOrganisation.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,16 @@ class AddressForOrganisation implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'address_type' => 'string''address_line1' => 'string''address_line2' => 'string''address_line3' => 'string''address_line4' => 'string''city' => 'string''region' => 'string''postal_code' => 'string''country' => 'string''attention_to' => 'string'
+        'address_type' => 'string',
+        'address_line1' => 'string',
+        'address_line2' => 'string',
+        'address_line3' => 'string',
+        'address_line4' => 'string',
+        'city' => 'string',
+        'region' => 'string',
+        'postal_code' => 'string',
+        'country' => 'string',
+        'attention_to' => 'string'
     ];
 
     /**
@@ -67,7 +76,16 @@ class AddressForOrganisation implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'address_type' => null'address_line1' => null'address_line2' => null'address_line3' => null'address_line4' => null'city' => null'region' => null'postal_code' => null'country' => null'attention_to' => null
+        'address_type' => null,
+        'address_line1' => null,
+        'address_line2' => null,
+        'address_line3' => null,
+        'address_line4' => null,
+        'city' => null,
+        'region' => null,
+        'postal_code' => null,
+        'country' => null,
+        'attention_to' => null
     ];
 
     /**
@@ -97,7 +115,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'address_type' => 'AddressType''address_line1' => 'AddressLine1''address_line2' => 'AddressLine2''address_line3' => 'AddressLine3''address_line4' => 'AddressLine4''city' => 'City''region' => 'Region''postal_code' => 'PostalCode''country' => 'Country''attention_to' => 'AttentionTo'
+        'address_type' => 'AddressType',
+        'address_line1' => 'AddressLine1',
+        'address_line2' => 'AddressLine2',
+        'address_line3' => 'AddressLine3',
+        'address_line4' => 'AddressLine4',
+        'city' => 'City',
+        'region' => 'Region',
+        'postal_code' => 'PostalCode',
+        'country' => 'Country',
+        'attention_to' => 'AttentionTo'
     ];
 
     /**
@@ -106,7 +133,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'address_type' => 'setAddressType''address_line1' => 'setAddressLine1''address_line2' => 'setAddressLine2''address_line3' => 'setAddressLine3''address_line4' => 'setAddressLine4''city' => 'setCity''region' => 'setRegion''postal_code' => 'setPostalCode''country' => 'setCountry''attention_to' => 'setAttentionTo'
+        'address_type' => 'setAddressType',
+        'address_line1' => 'setAddressLine1',
+        'address_line2' => 'setAddressLine2',
+        'address_line3' => 'setAddressLine3',
+        'address_line4' => 'setAddressLine4',
+        'city' => 'setCity',
+        'region' => 'setRegion',
+        'postal_code' => 'setPostalCode',
+        'country' => 'setCountry',
+        'attention_to' => 'setAttentionTo'
     ];
 
     /**
@@ -115,7 +151,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'address_type' => 'getAddressType''address_line1' => 'getAddressLine1''address_line2' => 'getAddressLine2''address_line3' => 'getAddressLine3''address_line4' => 'getAddressLine4''city' => 'getCity''region' => 'getRegion''postal_code' => 'getPostalCode''country' => 'getCountry''attention_to' => 'getAttentionTo'
+        'address_type' => 'getAddressType',
+        'address_line1' => 'getAddressLine1',
+        'address_line2' => 'getAddressLine2',
+        'address_line3' => 'getAddressLine3',
+        'address_line4' => 'getAddressLine4',
+        'city' => 'getCity',
+        'region' => 'getRegion',
+        'postal_code' => 'getPostalCode',
+        'country' => 'getCountry',
+        'attention_to' => 'getAttentionTo'
     ];
 
     /**
diff --git a/lib/Models/Accounting/Allocation.php b/lib/Models/Accounting/Allocation.php
index 055bc922..911a8779 100644
--- a/lib/Models/Accounting/Allocation.php
+++ b/lib/Models/Accounting/Allocation.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,14 @@ class Allocation implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'invoice' => '\XeroAPI\XeroPHP\Models\Accounting\Invoice''overpayment' => '\XeroAPI\XeroPHP\Models\Accounting\Overpayment''prepayment' => '\XeroAPI\XeroPHP\Models\Accounting\Prepayment''credit_note' => '\XeroAPI\XeroPHP\Models\Accounting\CreditNote''amount' => 'double''date' => 'string''status_attribute_string' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
+        'invoice' => '\XeroAPI\XeroPHP\Models\Accounting\Invoice',
+        'overpayment' => '\XeroAPI\XeroPHP\Models\Accounting\Overpayment',
+        'prepayment' => '\XeroAPI\XeroPHP\Models\Accounting\Prepayment',
+        'credit_note' => '\XeroAPI\XeroPHP\Models\Accounting\CreditNote',
+        'amount' => 'double',
+        'date' => 'string',
+        'status_attribute_string' => 'string',
+        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
     ];
 
     /**
@@ -67,7 +74,14 @@ class Allocation implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'invoice' => null'overpayment' => null'prepayment' => null'credit_note' => null'amount' => 'double''date' => null'status_attribute_string' => null'validation_errors' => null
+        'invoice' => null,
+        'overpayment' => null,
+        'prepayment' => null,
+        'credit_note' => null,
+        'amount' => 'double',
+        'date' => null,
+        'status_attribute_string' => null,
+        'validation_errors' => null
     ];
 
     /**
@@ -97,7 +111,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'invoice' => 'Invoice''overpayment' => 'Overpayment''prepayment' => 'Prepayment''credit_note' => 'CreditNote''amount' => 'Amount''date' => 'Date''status_attribute_string' => 'StatusAttributeString''validation_errors' => 'ValidationErrors'
+        'invoice' => 'Invoice',
+        'overpayment' => 'Overpayment',
+        'prepayment' => 'Prepayment',
+        'credit_note' => 'CreditNote',
+        'amount' => 'Amount',
+        'date' => 'Date',
+        'status_attribute_string' => 'StatusAttributeString',
+        'validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -106,7 +127,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'invoice' => 'setInvoice''overpayment' => 'setOverpayment''prepayment' => 'setPrepayment''credit_note' => 'setCreditNote''amount' => 'setAmount''date' => 'setDate''status_attribute_string' => 'setStatusAttributeString''validation_errors' => 'setValidationErrors'
+        'invoice' => 'setInvoice',
+        'overpayment' => 'setOverpayment',
+        'prepayment' => 'setPrepayment',
+        'credit_note' => 'setCreditNote',
+        'amount' => 'setAmount',
+        'date' => 'setDate',
+        'status_attribute_string' => 'setStatusAttributeString',
+        'validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -115,7 +143,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'invoice' => 'getInvoice''overpayment' => 'getOverpayment''prepayment' => 'getPrepayment''credit_note' => 'getCreditNote''amount' => 'getAmount''date' => 'getDate''status_attribute_string' => 'getStatusAttributeString''validation_errors' => 'getValidationErrors'
+        'invoice' => 'getInvoice',
+        'overpayment' => 'getOverpayment',
+        'prepayment' => 'getPrepayment',
+        'credit_note' => 'getCreditNote',
+        'amount' => 'getAmount',
+        'date' => 'getDate',
+        'status_attribute_string' => 'getStatusAttributeString',
+        'validation_errors' => 'getValidationErrors'
     ];
 
     /**
diff --git a/lib/Models/Accounting/Allocations.php b/lib/Models/Accounting/Allocations.php
index 75c4623c..60cfd6e0 100644
--- a/lib/Models/Accounting/Allocations.php
+++ b/lib/Models/Accounting/Allocations.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/Attachment.php b/lib/Models/Accounting/Attachment.php
index da3e2a16..131d54c4 100644
--- a/lib/Models/Accounting/Attachment.php
+++ b/lib/Models/Accounting/Attachment.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class Attachment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'attachment_id' => 'string''file_name' => 'string''url' => 'string''mime_type' => 'string''content_length' => 'int''include_online' => 'bool'
+        'attachment_id' => 'string',
+        'file_name' => 'string',
+        'url' => 'string',
+        'mime_type' => 'string',
+        'content_length' => 'int',
+        'include_online' => 'bool'
     ];
 
     /**
@@ -67,7 +72,12 @@ class Attachment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'attachment_id' => 'uuid''file_name' => null'url' => null'mime_type' => null'content_length' => null'include_online' => null
+        'attachment_id' => 'uuid',
+        'file_name' => null,
+        'url' => null,
+        'mime_type' => null,
+        'content_length' => null,
+        'include_online' => null
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'attachment_id' => 'AttachmentID''file_name' => 'FileName''url' => 'Url''mime_type' => 'MimeType''content_length' => 'ContentLength''include_online' => 'IncludeOnline'
+        'attachment_id' => 'AttachmentID',
+        'file_name' => 'FileName',
+        'url' => 'Url',
+        'mime_type' => 'MimeType',
+        'content_length' => 'ContentLength',
+        'include_online' => 'IncludeOnline'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'attachment_id' => 'setAttachmentId''file_name' => 'setFileName''url' => 'setUrl''mime_type' => 'setMimeType''content_length' => 'setContentLength''include_online' => 'setIncludeOnline'
+        'attachment_id' => 'setAttachmentId',
+        'file_name' => 'setFileName',
+        'url' => 'setUrl',
+        'mime_type' => 'setMimeType',
+        'content_length' => 'setContentLength',
+        'include_online' => 'setIncludeOnline'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'attachment_id' => 'getAttachmentId''file_name' => 'getFileName''url' => 'getUrl''mime_type' => 'getMimeType''content_length' => 'getContentLength''include_online' => 'getIncludeOnline'
+        'attachment_id' => 'getAttachmentId',
+        'file_name' => 'getFileName',
+        'url' => 'getUrl',
+        'mime_type' => 'getMimeType',
+        'content_length' => 'getContentLength',
+        'include_online' => 'getIncludeOnline'
     ];
 
     /**
diff --git a/lib/Models/Accounting/Attachments.php b/lib/Models/Accounting/Attachments.php
index 6923fa4d..0890e5ae 100644
--- a/lib/Models/Accounting/Attachments.php
+++ b/lib/Models/Accounting/Attachments.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/BalanceDetails.php b/lib/Models/Accounting/BalanceDetails.php
index 6ed15cbf..55ddd849 100644
--- a/lib/Models/Accounting/BalanceDetails.php
+++ b/lib/Models/Accounting/BalanceDetails.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -59,7 +59,9 @@ class BalanceDetails implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'balance' => 'double''currency_code' => 'string''currency_rate' => 'double'
+        'balance' => 'double',
+        'currency_code' => 'string',
+        'currency_rate' => 'double'
     ];
 
     /**
@@ -68,7 +70,9 @@ class BalanceDetails implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'balance' => 'double''currency_code' => null'currency_rate' => 'double'
+        'balance' => 'double',
+        'currency_code' => null,
+        'currency_rate' => 'double'
     ];
 
     /**
@@ -98,7 +102,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'balance' => 'Balance''currency_code' => 'CurrencyCode''currency_rate' => 'CurrencyRate'
+        'balance' => 'Balance',
+        'currency_code' => 'CurrencyCode',
+        'currency_rate' => 'CurrencyRate'
     ];
 
     /**
@@ -107,7 +113,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'balance' => 'setBalance''currency_code' => 'setCurrencyCode''currency_rate' => 'setCurrencyRate'
+        'balance' => 'setBalance',
+        'currency_code' => 'setCurrencyCode',
+        'currency_rate' => 'setCurrencyRate'
     ];
 
     /**
@@ -116,7 +124,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'balance' => 'getBalance''currency_code' => 'getCurrencyCode''currency_rate' => 'getCurrencyRate'
+        'balance' => 'getBalance',
+        'currency_code' => 'getCurrencyCode',
+        'currency_rate' => 'getCurrencyRate'
     ];
 
     /**
diff --git a/lib/Models/Accounting/Balances.php b/lib/Models/Accounting/Balances.php
index 70e9daaf..a1ba00ba 100644
--- a/lib/Models/Accounting/Balances.php
+++ b/lib/Models/Accounting/Balances.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -59,7 +59,8 @@ class Balances implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'accounts_receivable' => '\XeroAPI\XeroPHP\Models\Accounting\AccountsReceivable''accounts_payable' => '\XeroAPI\XeroPHP\Models\Accounting\AccountsPayable'
+        'accounts_receivable' => '\XeroAPI\XeroPHP\Models\Accounting\AccountsReceivable',
+        'accounts_payable' => '\XeroAPI\XeroPHP\Models\Accounting\AccountsPayable'
     ];
 
     /**
@@ -68,7 +69,8 @@ class Balances implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'accounts_receivable' => null'accounts_payable' => null
+        'accounts_receivable' => null,
+        'accounts_payable' => null
     ];
 
     /**
@@ -98,7 +100,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'accounts_receivable' => 'AccountsReceivable''accounts_payable' => 'AccountsPayable'
+        'accounts_receivable' => 'AccountsReceivable',
+        'accounts_payable' => 'AccountsPayable'
     ];
 
     /**
@@ -107,7 +110,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'accounts_receivable' => 'setAccountsReceivable''accounts_payable' => 'setAccountsPayable'
+        'accounts_receivable' => 'setAccountsReceivable',
+        'accounts_payable' => 'setAccountsPayable'
     ];
 
     /**
@@ -116,7 +120,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'accounts_receivable' => 'getAccountsReceivable''accounts_payable' => 'getAccountsPayable'
+        'accounts_receivable' => 'getAccountsReceivable',
+        'accounts_payable' => 'getAccountsPayable'
     ];
 
     /**
diff --git a/lib/Models/Accounting/BankTransaction.php b/lib/Models/Accounting/BankTransaction.php
index 909f7234..77223003 100644
--- a/lib/Models/Accounting/BankTransaction.php
+++ b/lib/Models/Accounting/BankTransaction.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,28 @@ class BankTransaction implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'type' => 'string''contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact''line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]''bank_account' => '\XeroAPI\XeroPHP\Models\Accounting\Account''is_reconciled' => 'bool''date' => 'string''reference' => 'string''currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode''currency_rate' => 'double''url' => 'string''status' => 'string''line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes''sub_total' => 'double''total_tax' => 'double''total' => 'double''bank_transaction_id' => 'string''prepayment_id' => 'string''overpayment_id' => 'string''updated_date_utc' => 'string''has_attachments' => 'bool''status_attribute_string' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
+        'type' => 'string',
+        'contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact',
+        'line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]',
+        'bank_account' => '\XeroAPI\XeroPHP\Models\Accounting\Account',
+        'is_reconciled' => 'bool',
+        'date' => 'string',
+        'reference' => 'string',
+        'currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode',
+        'currency_rate' => 'double',
+        'url' => 'string',
+        'status' => 'string',
+        'line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes',
+        'sub_total' => 'double',
+        'total_tax' => 'double',
+        'total' => 'double',
+        'bank_transaction_id' => 'string',
+        'prepayment_id' => 'string',
+        'overpayment_id' => 'string',
+        'updated_date_utc' => 'string',
+        'has_attachments' => 'bool',
+        'status_attribute_string' => 'string',
+        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
     ];
 
     /**
@@ -67,7 +88,28 @@ class BankTransaction implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'type' => null'contact' => null'line_items' => null'bank_account' => null'is_reconciled' => null'date' => null'reference' => null'currency_code' => null'currency_rate' => 'double''url' => null'status' => null'line_amount_types' => null'sub_total' => 'double''total_tax' => 'double''total' => 'double''bank_transaction_id' => 'uuid''prepayment_id' => 'uuid''overpayment_id' => 'uuid''updated_date_utc' => null'has_attachments' => null'status_attribute_string' => null'validation_errors' => null
+        'type' => null,
+        'contact' => null,
+        'line_items' => null,
+        'bank_account' => null,
+        'is_reconciled' => null,
+        'date' => null,
+        'reference' => null,
+        'currency_code' => null,
+        'currency_rate' => 'double',
+        'url' => null,
+        'status' => null,
+        'line_amount_types' => null,
+        'sub_total' => 'double',
+        'total_tax' => 'double',
+        'total' => 'double',
+        'bank_transaction_id' => 'uuid',
+        'prepayment_id' => 'uuid',
+        'overpayment_id' => 'uuid',
+        'updated_date_utc' => null,
+        'has_attachments' => null,
+        'status_attribute_string' => null,
+        'validation_errors' => null
     ];
 
     /**
@@ -97,7 +139,28 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'type' => 'Type''contact' => 'Contact''line_items' => 'LineItems''bank_account' => 'BankAccount''is_reconciled' => 'IsReconciled''date' => 'Date''reference' => 'Reference''currency_code' => 'CurrencyCode''currency_rate' => 'CurrencyRate''url' => 'Url''status' => 'Status''line_amount_types' => 'LineAmountTypes''sub_total' => 'SubTotal''total_tax' => 'TotalTax''total' => 'Total''bank_transaction_id' => 'BankTransactionID''prepayment_id' => 'PrepaymentID''overpayment_id' => 'OverpaymentID''updated_date_utc' => 'UpdatedDateUTC''has_attachments' => 'HasAttachments''status_attribute_string' => 'StatusAttributeString''validation_errors' => 'ValidationErrors'
+        'type' => 'Type',
+        'contact' => 'Contact',
+        'line_items' => 'LineItems',
+        'bank_account' => 'BankAccount',
+        'is_reconciled' => 'IsReconciled',
+        'date' => 'Date',
+        'reference' => 'Reference',
+        'currency_code' => 'CurrencyCode',
+        'currency_rate' => 'CurrencyRate',
+        'url' => 'Url',
+        'status' => 'Status',
+        'line_amount_types' => 'LineAmountTypes',
+        'sub_total' => 'SubTotal',
+        'total_tax' => 'TotalTax',
+        'total' => 'Total',
+        'bank_transaction_id' => 'BankTransactionID',
+        'prepayment_id' => 'PrepaymentID',
+        'overpayment_id' => 'OverpaymentID',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'has_attachments' => 'HasAttachments',
+        'status_attribute_string' => 'StatusAttributeString',
+        'validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -106,7 +169,28 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'type' => 'setType''contact' => 'setContact''line_items' => 'setLineItems''bank_account' => 'setBankAccount''is_reconciled' => 'setIsReconciled''date' => 'setDate''reference' => 'setReference''currency_code' => 'setCurrencyCode''currency_rate' => 'setCurrencyRate''url' => 'setUrl''status' => 'setStatus''line_amount_types' => 'setLineAmountTypes''sub_total' => 'setSubTotal''total_tax' => 'setTotalTax''total' => 'setTotal''bank_transaction_id' => 'setBankTransactionId''prepayment_id' => 'setPrepaymentId''overpayment_id' => 'setOverpaymentId''updated_date_utc' => 'setUpdatedDateUtc''has_attachments' => 'setHasAttachments''status_attribute_string' => 'setStatusAttributeString''validation_errors' => 'setValidationErrors'
+        'type' => 'setType',
+        'contact' => 'setContact',
+        'line_items' => 'setLineItems',
+        'bank_account' => 'setBankAccount',
+        'is_reconciled' => 'setIsReconciled',
+        'date' => 'setDate',
+        'reference' => 'setReference',
+        'currency_code' => 'setCurrencyCode',
+        'currency_rate' => 'setCurrencyRate',
+        'url' => 'setUrl',
+        'status' => 'setStatus',
+        'line_amount_types' => 'setLineAmountTypes',
+        'sub_total' => 'setSubTotal',
+        'total_tax' => 'setTotalTax',
+        'total' => 'setTotal',
+        'bank_transaction_id' => 'setBankTransactionId',
+        'prepayment_id' => 'setPrepaymentId',
+        'overpayment_id' => 'setOverpaymentId',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'has_attachments' => 'setHasAttachments',
+        'status_attribute_string' => 'setStatusAttributeString',
+        'validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -115,7 +199,28 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'type' => 'getType''contact' => 'getContact''line_items' => 'getLineItems''bank_account' => 'getBankAccount''is_reconciled' => 'getIsReconciled''date' => 'getDate''reference' => 'getReference''currency_code' => 'getCurrencyCode''currency_rate' => 'getCurrencyRate''url' => 'getUrl''status' => 'getStatus''line_amount_types' => 'getLineAmountTypes''sub_total' => 'getSubTotal''total_tax' => 'getTotalTax''total' => 'getTotal''bank_transaction_id' => 'getBankTransactionId''prepayment_id' => 'getPrepaymentId''overpayment_id' => 'getOverpaymentId''updated_date_utc' => 'getUpdatedDateUtc''has_attachments' => 'getHasAttachments''status_attribute_string' => 'getStatusAttributeString''validation_errors' => 'getValidationErrors'
+        'type' => 'getType',
+        'contact' => 'getContact',
+        'line_items' => 'getLineItems',
+        'bank_account' => 'getBankAccount',
+        'is_reconciled' => 'getIsReconciled',
+        'date' => 'getDate',
+        'reference' => 'getReference',
+        'currency_code' => 'getCurrencyCode',
+        'currency_rate' => 'getCurrencyRate',
+        'url' => 'getUrl',
+        'status' => 'getStatus',
+        'line_amount_types' => 'getLineAmountTypes',
+        'sub_total' => 'getSubTotal',
+        'total_tax' => 'getTotalTax',
+        'total' => 'getTotal',
+        'bank_transaction_id' => 'getBankTransactionId',
+        'prepayment_id' => 'getPrepaymentId',
+        'overpayment_id' => 'getOverpaymentId',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'has_attachments' => 'getHasAttachments',
+        'status_attribute_string' => 'getStatusAttributeString',
+        'validation_errors' => 'getValidationErrors'
     ];
 
     /**
diff --git a/lib/Models/Accounting/BankTransactions.php b/lib/Models/Accounting/BankTransactions.php
index a2eeae16..0dc23681 100644
--- a/lib/Models/Accounting/BankTransactions.php
+++ b/lib/Models/Accounting/BankTransactions.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/BankTransfer.php b/lib/Models/Accounting/BankTransfer.php
index 5187c9c7..ea140260 100644
--- a/lib/Models/Accounting/BankTransfer.php
+++ b/lib/Models/Accounting/BankTransfer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,20 @@ class BankTransfer implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'from_bank_account' => '\XeroAPI\XeroPHP\Models\Accounting\Account''to_bank_account' => '\XeroAPI\XeroPHP\Models\Accounting\Account''amount' => 'double''date' => 'string''bank_transfer_id' => 'string''currency_rate' => 'double''from_bank_transaction_id' => 'string''to_bank_transaction_id' => 'string''from_is_reconciled' => 'bool''to_is_reconciled' => 'bool''reference' => 'string''has_attachments' => 'bool''created_date_utc' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
+        'from_bank_account' => '\XeroAPI\XeroPHP\Models\Accounting\Account',
+        'to_bank_account' => '\XeroAPI\XeroPHP\Models\Accounting\Account',
+        'amount' => 'double',
+        'date' => 'string',
+        'bank_transfer_id' => 'string',
+        'currency_rate' => 'double',
+        'from_bank_transaction_id' => 'string',
+        'to_bank_transaction_id' => 'string',
+        'from_is_reconciled' => 'bool',
+        'to_is_reconciled' => 'bool',
+        'reference' => 'string',
+        'has_attachments' => 'bool',
+        'created_date_utc' => 'string',
+        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
     ];
 
     /**
@@ -67,7 +80,20 @@ class BankTransfer implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'from_bank_account' => null'to_bank_account' => null'amount' => 'double''date' => null'bank_transfer_id' => 'uuid''currency_rate' => 'double''from_bank_transaction_id' => 'uuid''to_bank_transaction_id' => 'uuid''from_is_reconciled' => null'to_is_reconciled' => null'reference' => null'has_attachments' => null'created_date_utc' => null'validation_errors' => null
+        'from_bank_account' => null,
+        'to_bank_account' => null,
+        'amount' => 'double',
+        'date' => null,
+        'bank_transfer_id' => 'uuid',
+        'currency_rate' => 'double',
+        'from_bank_transaction_id' => 'uuid',
+        'to_bank_transaction_id' => 'uuid',
+        'from_is_reconciled' => null,
+        'to_is_reconciled' => null,
+        'reference' => null,
+        'has_attachments' => null,
+        'created_date_utc' => null,
+        'validation_errors' => null
     ];
 
     /**
@@ -97,7 +123,20 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'from_bank_account' => 'FromBankAccount''to_bank_account' => 'ToBankAccount''amount' => 'Amount''date' => 'Date''bank_transfer_id' => 'BankTransferID''currency_rate' => 'CurrencyRate''from_bank_transaction_id' => 'FromBankTransactionID''to_bank_transaction_id' => 'ToBankTransactionID''from_is_reconciled' => 'FromIsReconciled''to_is_reconciled' => 'ToIsReconciled''reference' => 'Reference''has_attachments' => 'HasAttachments''created_date_utc' => 'CreatedDateUTC''validation_errors' => 'ValidationErrors'
+        'from_bank_account' => 'FromBankAccount',
+        'to_bank_account' => 'ToBankAccount',
+        'amount' => 'Amount',
+        'date' => 'Date',
+        'bank_transfer_id' => 'BankTransferID',
+        'currency_rate' => 'CurrencyRate',
+        'from_bank_transaction_id' => 'FromBankTransactionID',
+        'to_bank_transaction_id' => 'ToBankTransactionID',
+        'from_is_reconciled' => 'FromIsReconciled',
+        'to_is_reconciled' => 'ToIsReconciled',
+        'reference' => 'Reference',
+        'has_attachments' => 'HasAttachments',
+        'created_date_utc' => 'CreatedDateUTC',
+        'validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -106,7 +145,20 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'from_bank_account' => 'setFromBankAccount''to_bank_account' => 'setToBankAccount''amount' => 'setAmount''date' => 'setDate''bank_transfer_id' => 'setBankTransferId''currency_rate' => 'setCurrencyRate''from_bank_transaction_id' => 'setFromBankTransactionId''to_bank_transaction_id' => 'setToBankTransactionId''from_is_reconciled' => 'setFromIsReconciled''to_is_reconciled' => 'setToIsReconciled''reference' => 'setReference''has_attachments' => 'setHasAttachments''created_date_utc' => 'setCreatedDateUtc''validation_errors' => 'setValidationErrors'
+        'from_bank_account' => 'setFromBankAccount',
+        'to_bank_account' => 'setToBankAccount',
+        'amount' => 'setAmount',
+        'date' => 'setDate',
+        'bank_transfer_id' => 'setBankTransferId',
+        'currency_rate' => 'setCurrencyRate',
+        'from_bank_transaction_id' => 'setFromBankTransactionId',
+        'to_bank_transaction_id' => 'setToBankTransactionId',
+        'from_is_reconciled' => 'setFromIsReconciled',
+        'to_is_reconciled' => 'setToIsReconciled',
+        'reference' => 'setReference',
+        'has_attachments' => 'setHasAttachments',
+        'created_date_utc' => 'setCreatedDateUtc',
+        'validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -115,7 +167,20 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'from_bank_account' => 'getFromBankAccount''to_bank_account' => 'getToBankAccount''amount' => 'getAmount''date' => 'getDate''bank_transfer_id' => 'getBankTransferId''currency_rate' => 'getCurrencyRate''from_bank_transaction_id' => 'getFromBankTransactionId''to_bank_transaction_id' => 'getToBankTransactionId''from_is_reconciled' => 'getFromIsReconciled''to_is_reconciled' => 'getToIsReconciled''reference' => 'getReference''has_attachments' => 'getHasAttachments''created_date_utc' => 'getCreatedDateUtc''validation_errors' => 'getValidationErrors'
+        'from_bank_account' => 'getFromBankAccount',
+        'to_bank_account' => 'getToBankAccount',
+        'amount' => 'getAmount',
+        'date' => 'getDate',
+        'bank_transfer_id' => 'getBankTransferId',
+        'currency_rate' => 'getCurrencyRate',
+        'from_bank_transaction_id' => 'getFromBankTransactionId',
+        'to_bank_transaction_id' => 'getToBankTransactionId',
+        'from_is_reconciled' => 'getFromIsReconciled',
+        'to_is_reconciled' => 'getToIsReconciled',
+        'reference' => 'getReference',
+        'has_attachments' => 'getHasAttachments',
+        'created_date_utc' => 'getCreatedDateUtc',
+        'validation_errors' => 'getValidationErrors'
     ];
 
     /**
diff --git a/lib/Models/Accounting/BankTransfers.php b/lib/Models/Accounting/BankTransfers.php
index 067b818d..76ee369f 100644
--- a/lib/Models/Accounting/BankTransfers.php
+++ b/lib/Models/Accounting/BankTransfers.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/BatchPayment.php b/lib/Models/Accounting/BatchPayment.php
index f6d63b4e..0966455e 100644
--- a/lib/Models/Accounting/BatchPayment.php
+++ b/lib/Models/Accounting/BatchPayment.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,23 @@ class BatchPayment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account' => '\XeroAPI\XeroPHP\Models\Accounting\Account''reference' => 'string''particulars' => 'string''code' => 'string''details' => 'string''narrative' => 'string''batch_payment_id' => 'string''date_string' => 'string''date' => 'string''amount' => 'double''payments' => '\XeroAPI\XeroPHP\Models\Accounting\Payment[]''type' => 'string''status' => 'string''total_amount' => 'string''updated_date_utc' => 'string''is_reconciled' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
+        'account' => '\XeroAPI\XeroPHP\Models\Accounting\Account',
+        'reference' => 'string',
+        'particulars' => 'string',
+        'code' => 'string',
+        'details' => 'string',
+        'narrative' => 'string',
+        'batch_payment_id' => 'string',
+        'date_string' => 'string',
+        'date' => 'string',
+        'amount' => 'double',
+        'payments' => '\XeroAPI\XeroPHP\Models\Accounting\Payment[]',
+        'type' => 'string',
+        'status' => 'string',
+        'total_amount' => 'string',
+        'updated_date_utc' => 'string',
+        'is_reconciled' => 'string',
+        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
     ];
 
     /**
@@ -67,7 +83,23 @@ class BatchPayment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account' => null'reference' => null'particulars' => null'code' => null'details' => null'narrative' => null'batch_payment_id' => 'uuid''date_string' => null'date' => null'amount' => 'double''payments' => null'type' => null'status' => null'total_amount' => null'updated_date_utc' => null'is_reconciled' => null'validation_errors' => null
+        'account' => null,
+        'reference' => null,
+        'particulars' => null,
+        'code' => null,
+        'details' => null,
+        'narrative' => null,
+        'batch_payment_id' => 'uuid',
+        'date_string' => null,
+        'date' => null,
+        'amount' => 'double',
+        'payments' => null,
+        'type' => null,
+        'status' => null,
+        'total_amount' => null,
+        'updated_date_utc' => null,
+        'is_reconciled' => null,
+        'validation_errors' => null
     ];
 
     /**
@@ -97,7 +129,23 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account' => 'Account''reference' => 'Reference''particulars' => 'Particulars''code' => 'Code''details' => 'Details''narrative' => 'Narrative''batch_payment_id' => 'BatchPaymentID''date_string' => 'DateString''date' => 'Date''amount' => 'Amount''payments' => 'Payments''type' => 'Type''status' => 'Status''total_amount' => 'TotalAmount''updated_date_utc' => 'UpdatedDateUTC''is_reconciled' => 'IsReconciled''validation_errors' => 'ValidationErrors'
+        'account' => 'Account',
+        'reference' => 'Reference',
+        'particulars' => 'Particulars',
+        'code' => 'Code',
+        'details' => 'Details',
+        'narrative' => 'Narrative',
+        'batch_payment_id' => 'BatchPaymentID',
+        'date_string' => 'DateString',
+        'date' => 'Date',
+        'amount' => 'Amount',
+        'payments' => 'Payments',
+        'type' => 'Type',
+        'status' => 'Status',
+        'total_amount' => 'TotalAmount',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'is_reconciled' => 'IsReconciled',
+        'validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -106,7 +154,23 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account' => 'setAccount''reference' => 'setReference''particulars' => 'setParticulars''code' => 'setCode''details' => 'setDetails''narrative' => 'setNarrative''batch_payment_id' => 'setBatchPaymentId''date_string' => 'setDateString''date' => 'setDate''amount' => 'setAmount''payments' => 'setPayments''type' => 'setType''status' => 'setStatus''total_amount' => 'setTotalAmount''updated_date_utc' => 'setUpdatedDateUtc''is_reconciled' => 'setIsReconciled''validation_errors' => 'setValidationErrors'
+        'account' => 'setAccount',
+        'reference' => 'setReference',
+        'particulars' => 'setParticulars',
+        'code' => 'setCode',
+        'details' => 'setDetails',
+        'narrative' => 'setNarrative',
+        'batch_payment_id' => 'setBatchPaymentId',
+        'date_string' => 'setDateString',
+        'date' => 'setDate',
+        'amount' => 'setAmount',
+        'payments' => 'setPayments',
+        'type' => 'setType',
+        'status' => 'setStatus',
+        'total_amount' => 'setTotalAmount',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'is_reconciled' => 'setIsReconciled',
+        'validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -115,7 +179,23 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account' => 'getAccount''reference' => 'getReference''particulars' => 'getParticulars''code' => 'getCode''details' => 'getDetails''narrative' => 'getNarrative''batch_payment_id' => 'getBatchPaymentId''date_string' => 'getDateString''date' => 'getDate''amount' => 'getAmount''payments' => 'getPayments''type' => 'getType''status' => 'getStatus''total_amount' => 'getTotalAmount''updated_date_utc' => 'getUpdatedDateUtc''is_reconciled' => 'getIsReconciled''validation_errors' => 'getValidationErrors'
+        'account' => 'getAccount',
+        'reference' => 'getReference',
+        'particulars' => 'getParticulars',
+        'code' => 'getCode',
+        'details' => 'getDetails',
+        'narrative' => 'getNarrative',
+        'batch_payment_id' => 'getBatchPaymentId',
+        'date_string' => 'getDateString',
+        'date' => 'getDate',
+        'amount' => 'getAmount',
+        'payments' => 'getPayments',
+        'type' => 'getType',
+        'status' => 'getStatus',
+        'total_amount' => 'getTotalAmount',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'is_reconciled' => 'getIsReconciled',
+        'validation_errors' => 'getValidationErrors'
     ];
 
     /**
diff --git a/lib/Models/Accounting/BatchPaymentDetails.php b/lib/Models/Accounting/BatchPaymentDetails.php
index f59adcdd..e9f3626d 100644
--- a/lib/Models/Accounting/BatchPaymentDetails.php
+++ b/lib/Models/Accounting/BatchPaymentDetails.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -59,7 +59,11 @@ class BatchPaymentDetails implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'bank_account_number' => 'string''bank_account_name' => 'string''details' => 'string''code' => 'string''reference' => 'string'
+        'bank_account_number' => 'string',
+        'bank_account_name' => 'string',
+        'details' => 'string',
+        'code' => 'string',
+        'reference' => 'string'
     ];
 
     /**
@@ -68,7 +72,11 @@ class BatchPaymentDetails implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'bank_account_number' => null'bank_account_name' => null'details' => null'code' => null'reference' => null
+        'bank_account_number' => null,
+        'bank_account_name' => null,
+        'details' => null,
+        'code' => null,
+        'reference' => null
     ];
 
     /**
@@ -98,7 +106,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'bank_account_number' => 'BankAccountNumber''bank_account_name' => 'BankAccountName''details' => 'Details''code' => 'Code''reference' => 'Reference'
+        'bank_account_number' => 'BankAccountNumber',
+        'bank_account_name' => 'BankAccountName',
+        'details' => 'Details',
+        'code' => 'Code',
+        'reference' => 'Reference'
     ];
 
     /**
@@ -107,7 +119,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'bank_account_number' => 'setBankAccountNumber''bank_account_name' => 'setBankAccountName''details' => 'setDetails''code' => 'setCode''reference' => 'setReference'
+        'bank_account_number' => 'setBankAccountNumber',
+        'bank_account_name' => 'setBankAccountName',
+        'details' => 'setDetails',
+        'code' => 'setCode',
+        'reference' => 'setReference'
     ];
 
     /**
@@ -116,7 +132,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'bank_account_number' => 'getBankAccountNumber''bank_account_name' => 'getBankAccountName''details' => 'getDetails''code' => 'getCode''reference' => 'getReference'
+        'bank_account_number' => 'getBankAccountNumber',
+        'bank_account_name' => 'getBankAccountName',
+        'details' => 'getDetails',
+        'code' => 'getCode',
+        'reference' => 'getReference'
     ];
 
     /**
diff --git a/lib/Models/Accounting/BatchPayments.php b/lib/Models/Accounting/BatchPayments.php
index 330057e5..a4756779 100644
--- a/lib/Models/Accounting/BatchPayments.php
+++ b/lib/Models/Accounting/BatchPayments.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/Bill.php b/lib/Models/Accounting/Bill.php
index 4dcad471..d77ae329 100644
--- a/lib/Models/Accounting/Bill.php
+++ b/lib/Models/Accounting/Bill.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class Bill implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'day' => 'int''type' => '\XeroAPI\XeroPHP\Models\Accounting\PaymentTermType'
+        'day' => 'int',
+        'type' => '\XeroAPI\XeroPHP\Models\Accounting\PaymentTermType'
     ];
 
     /**
@@ -67,7 +68,8 @@ class Bill implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'day' => null'type' => null
+        'day' => null,
+        'type' => null
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'day' => 'Day''type' => 'Type'
+        'day' => 'Day',
+        'type' => 'Type'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'day' => 'setDay''type' => 'setType'
+        'day' => 'setDay',
+        'type' => 'setType'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'day' => 'getDay''type' => 'getType'
+        'day' => 'getDay',
+        'type' => 'getType'
     ];
 
     /**
diff --git a/lib/Models/Accounting/BrandingTheme.php b/lib/Models/Accounting/BrandingTheme.php
index 95cea2c8..15a09b3c 100644
--- a/lib/Models/Accounting/BrandingTheme.php
+++ b/lib/Models/Accounting/BrandingTheme.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class BrandingTheme implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'branding_theme_id' => 'string''name' => 'string''logo_url' => 'string''type' => 'string''sort_order' => 'int''created_date_utc' => 'string'
+        'branding_theme_id' => 'string',
+        'name' => 'string',
+        'logo_url' => 'string',
+        'type' => 'string',
+        'sort_order' => 'int',
+        'created_date_utc' => 'string'
     ];
 
     /**
@@ -67,7 +72,12 @@ class BrandingTheme implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'branding_theme_id' => 'uuid''name' => null'logo_url' => null'type' => null'sort_order' => null'created_date_utc' => null
+        'branding_theme_id' => 'uuid',
+        'name' => null,
+        'logo_url' => null,
+        'type' => null,
+        'sort_order' => null,
+        'created_date_utc' => null
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'branding_theme_id' => 'BrandingThemeID''name' => 'Name''logo_url' => 'LogoUrl''type' => 'Type''sort_order' => 'SortOrder''created_date_utc' => 'CreatedDateUTC'
+        'branding_theme_id' => 'BrandingThemeID',
+        'name' => 'Name',
+        'logo_url' => 'LogoUrl',
+        'type' => 'Type',
+        'sort_order' => 'SortOrder',
+        'created_date_utc' => 'CreatedDateUTC'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'branding_theme_id' => 'setBrandingThemeId''name' => 'setName''logo_url' => 'setLogoUrl''type' => 'setType''sort_order' => 'setSortOrder''created_date_utc' => 'setCreatedDateUtc'
+        'branding_theme_id' => 'setBrandingThemeId',
+        'name' => 'setName',
+        'logo_url' => 'setLogoUrl',
+        'type' => 'setType',
+        'sort_order' => 'setSortOrder',
+        'created_date_utc' => 'setCreatedDateUtc'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'branding_theme_id' => 'getBrandingThemeId''name' => 'getName''logo_url' => 'getLogoUrl''type' => 'getType''sort_order' => 'getSortOrder''created_date_utc' => 'getCreatedDateUtc'
+        'branding_theme_id' => 'getBrandingThemeId',
+        'name' => 'getName',
+        'logo_url' => 'getLogoUrl',
+        'type' => 'getType',
+        'sort_order' => 'getSortOrder',
+        'created_date_utc' => 'getCreatedDateUtc'
     ];
 
     /**
diff --git a/lib/Models/Accounting/BrandingThemes.php b/lib/Models/Accounting/BrandingThemes.php
index 44a1ae84..ed6fe3e6 100644
--- a/lib/Models/Accounting/BrandingThemes.php
+++ b/lib/Models/Accounting/BrandingThemes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/Budget.php b/lib/Models/Accounting/Budget.php
index 32338d02..a5b0507c 100644
--- a/lib/Models/Accounting/Budget.php
+++ b/lib/Models/Accounting/Budget.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class Budget implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'budget_id' => 'string''type' => 'string''description' => 'string''updated_date_utc' => 'string''budget_lines' => '\XeroAPI\XeroPHP\Models\Accounting\BudgetLine[]''tracking' => '\XeroAPI\XeroPHP\Models\Accounting\TrackingCategory[]'
+        'budget_id' => 'string',
+        'type' => 'string',
+        'description' => 'string',
+        'updated_date_utc' => 'string',
+        'budget_lines' => '\XeroAPI\XeroPHP\Models\Accounting\BudgetLine[]',
+        'tracking' => '\XeroAPI\XeroPHP\Models\Accounting\TrackingCategory[]'
     ];
 
     /**
@@ -67,7 +72,12 @@ class Budget implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'budget_id' => 'uuid''type' => null'description' => null'updated_date_utc' => null'budget_lines' => null'tracking' => null
+        'budget_id' => 'uuid',
+        'type' => null,
+        'description' => null,
+        'updated_date_utc' => null,
+        'budget_lines' => null,
+        'tracking' => null
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'budget_id' => 'BudgetID''type' => 'Type''description' => 'Description''updated_date_utc' => 'UpdatedDateUTC''budget_lines' => 'BudgetLines''tracking' => 'Tracking'
+        'budget_id' => 'BudgetID',
+        'type' => 'Type',
+        'description' => 'Description',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'budget_lines' => 'BudgetLines',
+        'tracking' => 'Tracking'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'budget_id' => 'setBudgetId''type' => 'setType''description' => 'setDescription''updated_date_utc' => 'setUpdatedDateUtc''budget_lines' => 'setBudgetLines''tracking' => 'setTracking'
+        'budget_id' => 'setBudgetId',
+        'type' => 'setType',
+        'description' => 'setDescription',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'budget_lines' => 'setBudgetLines',
+        'tracking' => 'setTracking'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'budget_id' => 'getBudgetId''type' => 'getType''description' => 'getDescription''updated_date_utc' => 'getUpdatedDateUtc''budget_lines' => 'getBudgetLines''tracking' => 'getTracking'
+        'budget_id' => 'getBudgetId',
+        'type' => 'getType',
+        'description' => 'getDescription',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'budget_lines' => 'getBudgetLines',
+        'tracking' => 'getTracking'
     ];
 
     /**
diff --git a/lib/Models/Accounting/BudgetBalance.php b/lib/Models/Accounting/BudgetBalance.php
index 3dd70e59..a81affdc 100644
--- a/lib/Models/Accounting/BudgetBalance.php
+++ b/lib/Models/Accounting/BudgetBalance.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class BudgetBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'period' => 'string''amount' => 'double''unit_amount' => 'double''notes' => 'string'
+        'period' => 'string',
+        'amount' => 'double',
+        'unit_amount' => 'double',
+        'notes' => 'string'
     ];
 
     /**
@@ -67,7 +70,10 @@ class BudgetBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'period' => null'amount' => 'double''unit_amount' => 'double''notes' => null
+        'period' => null,
+        'amount' => 'double',
+        'unit_amount' => 'double',
+        'notes' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'period' => 'Period''amount' => 'Amount''unit_amount' => 'UnitAmount''notes' => 'Notes'
+        'period' => 'Period',
+        'amount' => 'Amount',
+        'unit_amount' => 'UnitAmount',
+        'notes' => 'Notes'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'period' => 'setPeriod''amount' => 'setAmount''unit_amount' => 'setUnitAmount''notes' => 'setNotes'
+        'period' => 'setPeriod',
+        'amount' => 'setAmount',
+        'unit_amount' => 'setUnitAmount',
+        'notes' => 'setNotes'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'period' => 'getPeriod''amount' => 'getAmount''unit_amount' => 'getUnitAmount''notes' => 'getNotes'
+        'period' => 'getPeriod',
+        'amount' => 'getAmount',
+        'unit_amount' => 'getUnitAmount',
+        'notes' => 'getNotes'
     ];
 
     /**
diff --git a/lib/Models/Accounting/BudgetLine.php b/lib/Models/Accounting/BudgetLine.php
index e5b0a067..85d7df21 100644
--- a/lib/Models/Accounting/BudgetLine.php
+++ b/lib/Models/Accounting/BudgetLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class BudgetLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_id' => 'string''account_code' => 'string''budget_balances' => '\XeroAPI\XeroPHP\Models\Accounting\BudgetBalance[]'
+        'account_id' => 'string',
+        'account_code' => 'string',
+        'budget_balances' => '\XeroAPI\XeroPHP\Models\Accounting\BudgetBalance[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class BudgetLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_id' => 'uuid''account_code' => null'budget_balances' => null
+        'account_id' => 'uuid',
+        'account_code' => null,
+        'budget_balances' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_id' => 'AccountID''account_code' => 'AccountCode''budget_balances' => 'BudgetBalances'
+        'account_id' => 'AccountID',
+        'account_code' => 'AccountCode',
+        'budget_balances' => 'BudgetBalances'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_id' => 'setAccountId''account_code' => 'setAccountCode''budget_balances' => 'setBudgetBalances'
+        'account_id' => 'setAccountId',
+        'account_code' => 'setAccountCode',
+        'budget_balances' => 'setBudgetBalances'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_id' => 'getAccountId''account_code' => 'getAccountCode''budget_balances' => 'getBudgetBalances'
+        'account_id' => 'getAccountId',
+        'account_code' => 'getAccountCode',
+        'budget_balances' => 'getBudgetBalances'
     ];
 
     /**
diff --git a/lib/Models/Accounting/Budgets.php b/lib/Models/Accounting/Budgets.php
index 16e27bef..58267fdb 100644
--- a/lib/Models/Accounting/Budgets.php
+++ b/lib/Models/Accounting/Budgets.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/CISOrgSetting.php b/lib/Models/Accounting/CISOrgSetting.php
index 13256f5a..0c557d29 100644
--- a/lib/Models/Accounting/CISOrgSetting.php
+++ b/lib/Models/Accounting/CISOrgSetting.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class CISOrgSetting implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'cis_contractor_enabled' => 'bool''cis_sub_contractor_enabled' => 'bool''rate' => 'double'
+        'cis_contractor_enabled' => 'bool',
+        'cis_sub_contractor_enabled' => 'bool',
+        'rate' => 'double'
     ];
 
     /**
@@ -67,7 +69,9 @@ class CISOrgSetting implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'cis_contractor_enabled' => null'cis_sub_contractor_enabled' => null'rate' => 'double'
+        'cis_contractor_enabled' => null,
+        'cis_sub_contractor_enabled' => null,
+        'rate' => 'double'
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'cis_contractor_enabled' => 'CISContractorEnabled''cis_sub_contractor_enabled' => 'CISSubContractorEnabled''rate' => 'Rate'
+        'cis_contractor_enabled' => 'CISContractorEnabled',
+        'cis_sub_contractor_enabled' => 'CISSubContractorEnabled',
+        'rate' => 'Rate'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'cis_contractor_enabled' => 'setCisContractorEnabled''cis_sub_contractor_enabled' => 'setCisSubContractorEnabled''rate' => 'setRate'
+        'cis_contractor_enabled' => 'setCisContractorEnabled',
+        'cis_sub_contractor_enabled' => 'setCisSubContractorEnabled',
+        'rate' => 'setRate'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'cis_contractor_enabled' => 'getCisContractorEnabled''cis_sub_contractor_enabled' => 'getCisSubContractorEnabled''rate' => 'getRate'
+        'cis_contractor_enabled' => 'getCisContractorEnabled',
+        'cis_sub_contractor_enabled' => 'getCisSubContractorEnabled',
+        'rate' => 'getRate'
     ];
 
     /**
diff --git a/lib/Models/Accounting/CISOrgSettings.php b/lib/Models/Accounting/CISOrgSettings.php
index dd9f9c35..61267976 100644
--- a/lib/Models/Accounting/CISOrgSettings.php
+++ b/lib/Models/Accounting/CISOrgSettings.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/CISSetting.php b/lib/Models/Accounting/CISSetting.php
index 3002e674..0f0b72fd 100644
--- a/lib/Models/Accounting/CISSetting.php
+++ b/lib/Models/Accounting/CISSetting.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class CISSetting implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'cis_enabled' => 'bool''rate' => 'double'
+        'cis_enabled' => 'bool',
+        'rate' => 'double'
     ];
 
     /**
@@ -67,7 +68,8 @@ class CISSetting implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'cis_enabled' => null'rate' => 'double'
+        'cis_enabled' => null,
+        'rate' => 'double'
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'cis_enabled' => 'CISEnabled''rate' => 'Rate'
+        'cis_enabled' => 'CISEnabled',
+        'rate' => 'Rate'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'cis_enabled' => 'setCisEnabled''rate' => 'setRate'
+        'cis_enabled' => 'setCisEnabled',
+        'rate' => 'setRate'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'cis_enabled' => 'getCisEnabled''rate' => 'getRate'
+        'cis_enabled' => 'getCisEnabled',
+        'rate' => 'getRate'
     ];
 
     /**
diff --git a/lib/Models/Accounting/CISSettings.php b/lib/Models/Accounting/CISSettings.php
index 4edcd90a..450cccb5 100644
--- a/lib/Models/Accounting/CISSettings.php
+++ b/lib/Models/Accounting/CISSettings.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/Contact.php b/lib/Models/Accounting/Contact.php
index 3ee8e15a..465a535c 100644
--- a/lib/Models/Accounting/Contact.php
+++ b/lib/Models/Accounting/Contact.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,49 @@ class Contact implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'contact_id' => 'string''merged_to_contact_id' => 'string''contact_number' => 'string''account_number' => 'string''contact_status' => 'string''name' => 'string''first_name' => 'string''last_name' => 'string''company_number' => 'string''email_address' => 'string''skype_user_name' => 'string''contact_persons' => '\XeroAPI\XeroPHP\Models\Accounting\ContactPerson[]''bank_account_details' => 'string''tax_number' => 'string''accounts_receivable_tax_type' => 'string''accounts_payable_tax_type' => 'string''addresses' => '\XeroAPI\XeroPHP\Models\Accounting\Address[]''phones' => '\XeroAPI\XeroPHP\Models\Accounting\Phone[]''is_supplier' => 'bool''is_customer' => 'bool''sales_default_line_amount_type' => 'string''purchases_default_line_amount_type' => 'string''default_currency' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode''xero_network_key' => 'string''sales_default_account_code' => 'string''purchases_default_account_code' => 'string''sales_tracking_categories' => '\XeroAPI\XeroPHP\Models\Accounting\SalesTrackingCategory[]''purchases_tracking_categories' => '\XeroAPI\XeroPHP\Models\Accounting\SalesTrackingCategory[]''tracking_category_name' => 'string''tracking_category_option' => 'string''payment_terms' => '\XeroAPI\XeroPHP\Models\Accounting\PaymentTerm''updated_date_utc' => 'string''contact_groups' => '\XeroAPI\XeroPHP\Models\Accounting\ContactGroup[]''website' => 'string''branding_theme' => '\XeroAPI\XeroPHP\Models\Accounting\BrandingTheme''batch_payments' => '\XeroAPI\XeroPHP\Models\Accounting\BatchPaymentDetails''discount' => 'double''balances' => '\XeroAPI\XeroPHP\Models\Accounting\Balances''attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]''has_attachments' => 'bool''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]''has_validation_errors' => 'bool''status_attribute_string' => 'string'
+        'contact_id' => 'string',
+        'merged_to_contact_id' => 'string',
+        'contact_number' => 'string',
+        'account_number' => 'string',
+        'contact_status' => 'string',
+        'name' => 'string',
+        'first_name' => 'string',
+        'last_name' => 'string',
+        'company_number' => 'string',
+        'email_address' => 'string',
+        'skype_user_name' => 'string',
+        'contact_persons' => '\XeroAPI\XeroPHP\Models\Accounting\ContactPerson[]',
+        'bank_account_details' => 'string',
+        'tax_number' => 'string',
+        'accounts_receivable_tax_type' => 'string',
+        'accounts_payable_tax_type' => 'string',
+        'addresses' => '\XeroAPI\XeroPHP\Models\Accounting\Address[]',
+        'phones' => '\XeroAPI\XeroPHP\Models\Accounting\Phone[]',
+        'is_supplier' => 'bool',
+        'is_customer' => 'bool',
+        'sales_default_line_amount_type' => 'string',
+        'purchases_default_line_amount_type' => 'string',
+        'default_currency' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode',
+        'xero_network_key' => 'string',
+        'sales_default_account_code' => 'string',
+        'purchases_default_account_code' => 'string',
+        'sales_tracking_categories' => '\XeroAPI\XeroPHP\Models\Accounting\SalesTrackingCategory[]',
+        'purchases_tracking_categories' => '\XeroAPI\XeroPHP\Models\Accounting\SalesTrackingCategory[]',
+        'tracking_category_name' => 'string',
+        'tracking_category_option' => 'string',
+        'payment_terms' => '\XeroAPI\XeroPHP\Models\Accounting\PaymentTerm',
+        'updated_date_utc' => 'string',
+        'contact_groups' => '\XeroAPI\XeroPHP\Models\Accounting\ContactGroup[]',
+        'website' => 'string',
+        'branding_theme' => '\XeroAPI\XeroPHP\Models\Accounting\BrandingTheme',
+        'batch_payments' => '\XeroAPI\XeroPHP\Models\Accounting\BatchPaymentDetails',
+        'discount' => 'double',
+        'balances' => '\XeroAPI\XeroPHP\Models\Accounting\Balances',
+        'attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]',
+        'has_attachments' => 'bool',
+        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]',
+        'has_validation_errors' => 'bool',
+        'status_attribute_string' => 'string'
     ];
 
     /**
@@ -67,7 +109,49 @@ class Contact implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'contact_id' => 'uuid''merged_to_contact_id' => 'uuid''contact_number' => null'account_number' => null'contact_status' => null'name' => null'first_name' => null'last_name' => null'company_number' => null'email_address' => null'skype_user_name' => null'contact_persons' => null'bank_account_details' => null'tax_number' => null'accounts_receivable_tax_type' => null'accounts_payable_tax_type' => null'addresses' => null'phones' => null'is_supplier' => null'is_customer' => null'sales_default_line_amount_type' => null'purchases_default_line_amount_type' => null'default_currency' => null'xero_network_key' => null'sales_default_account_code' => null'purchases_default_account_code' => null'sales_tracking_categories' => null'purchases_tracking_categories' => null'tracking_category_name' => null'tracking_category_option' => null'payment_terms' => null'updated_date_utc' => null'contact_groups' => null'website' => null'branding_theme' => null'batch_payments' => null'discount' => 'double''balances' => null'attachments' => null'has_attachments' => null'validation_errors' => null'has_validation_errors' => null'status_attribute_string' => null
+        'contact_id' => 'uuid',
+        'merged_to_contact_id' => 'uuid',
+        'contact_number' => null,
+        'account_number' => null,
+        'contact_status' => null,
+        'name' => null,
+        'first_name' => null,
+        'last_name' => null,
+        'company_number' => null,
+        'email_address' => null,
+        'skype_user_name' => null,
+        'contact_persons' => null,
+        'bank_account_details' => null,
+        'tax_number' => null,
+        'accounts_receivable_tax_type' => null,
+        'accounts_payable_tax_type' => null,
+        'addresses' => null,
+        'phones' => null,
+        'is_supplier' => null,
+        'is_customer' => null,
+        'sales_default_line_amount_type' => null,
+        'purchases_default_line_amount_type' => null,
+        'default_currency' => null,
+        'xero_network_key' => null,
+        'sales_default_account_code' => null,
+        'purchases_default_account_code' => null,
+        'sales_tracking_categories' => null,
+        'purchases_tracking_categories' => null,
+        'tracking_category_name' => null,
+        'tracking_category_option' => null,
+        'payment_terms' => null,
+        'updated_date_utc' => null,
+        'contact_groups' => null,
+        'website' => null,
+        'branding_theme' => null,
+        'batch_payments' => null,
+        'discount' => 'double',
+        'balances' => null,
+        'attachments' => null,
+        'has_attachments' => null,
+        'validation_errors' => null,
+        'has_validation_errors' => null,
+        'status_attribute_string' => null
     ];
 
     /**
@@ -97,7 +181,49 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'contact_id' => 'ContactID''merged_to_contact_id' => 'MergedToContactID''contact_number' => 'ContactNumber''account_number' => 'AccountNumber''contact_status' => 'ContactStatus''name' => 'Name''first_name' => 'FirstName''last_name' => 'LastName''company_number' => 'CompanyNumber''email_address' => 'EmailAddress''skype_user_name' => 'SkypeUserName''contact_persons' => 'ContactPersons''bank_account_details' => 'BankAccountDetails''tax_number' => 'TaxNumber''accounts_receivable_tax_type' => 'AccountsReceivableTaxType''accounts_payable_tax_type' => 'AccountsPayableTaxType''addresses' => 'Addresses''phones' => 'Phones''is_supplier' => 'IsSupplier''is_customer' => 'IsCustomer''sales_default_line_amount_type' => 'SalesDefaultLineAmountType''purchases_default_line_amount_type' => 'PurchasesDefaultLineAmountType''default_currency' => 'DefaultCurrency''xero_network_key' => 'XeroNetworkKey''sales_default_account_code' => 'SalesDefaultAccountCode''purchases_default_account_code' => 'PurchasesDefaultAccountCode''sales_tracking_categories' => 'SalesTrackingCategories''purchases_tracking_categories' => 'PurchasesTrackingCategories''tracking_category_name' => 'TrackingCategoryName''tracking_category_option' => 'TrackingCategoryOption''payment_terms' => 'PaymentTerms''updated_date_utc' => 'UpdatedDateUTC''contact_groups' => 'ContactGroups''website' => 'Website''branding_theme' => 'BrandingTheme''batch_payments' => 'BatchPayments''discount' => 'Discount''balances' => 'Balances''attachments' => 'Attachments''has_attachments' => 'HasAttachments''validation_errors' => 'ValidationErrors''has_validation_errors' => 'HasValidationErrors''status_attribute_string' => 'StatusAttributeString'
+        'contact_id' => 'ContactID',
+        'merged_to_contact_id' => 'MergedToContactID',
+        'contact_number' => 'ContactNumber',
+        'account_number' => 'AccountNumber',
+        'contact_status' => 'ContactStatus',
+        'name' => 'Name',
+        'first_name' => 'FirstName',
+        'last_name' => 'LastName',
+        'company_number' => 'CompanyNumber',
+        'email_address' => 'EmailAddress',
+        'skype_user_name' => 'SkypeUserName',
+        'contact_persons' => 'ContactPersons',
+        'bank_account_details' => 'BankAccountDetails',
+        'tax_number' => 'TaxNumber',
+        'accounts_receivable_tax_type' => 'AccountsReceivableTaxType',
+        'accounts_payable_tax_type' => 'AccountsPayableTaxType',
+        'addresses' => 'Addresses',
+        'phones' => 'Phones',
+        'is_supplier' => 'IsSupplier',
+        'is_customer' => 'IsCustomer',
+        'sales_default_line_amount_type' => 'SalesDefaultLineAmountType',
+        'purchases_default_line_amount_type' => 'PurchasesDefaultLineAmountType',
+        'default_currency' => 'DefaultCurrency',
+        'xero_network_key' => 'XeroNetworkKey',
+        'sales_default_account_code' => 'SalesDefaultAccountCode',
+        'purchases_default_account_code' => 'PurchasesDefaultAccountCode',
+        'sales_tracking_categories' => 'SalesTrackingCategories',
+        'purchases_tracking_categories' => 'PurchasesTrackingCategories',
+        'tracking_category_name' => 'TrackingCategoryName',
+        'tracking_category_option' => 'TrackingCategoryOption',
+        'payment_terms' => 'PaymentTerms',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'contact_groups' => 'ContactGroups',
+        'website' => 'Website',
+        'branding_theme' => 'BrandingTheme',
+        'batch_payments' => 'BatchPayments',
+        'discount' => 'Discount',
+        'balances' => 'Balances',
+        'attachments' => 'Attachments',
+        'has_attachments' => 'HasAttachments',
+        'validation_errors' => 'ValidationErrors',
+        'has_validation_errors' => 'HasValidationErrors',
+        'status_attribute_string' => 'StatusAttributeString'
     ];
 
     /**
@@ -106,7 +232,49 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'contact_id' => 'setContactId''merged_to_contact_id' => 'setMergedToContactId''contact_number' => 'setContactNumber''account_number' => 'setAccountNumber''contact_status' => 'setContactStatus''name' => 'setName''first_name' => 'setFirstName''last_name' => 'setLastName''company_number' => 'setCompanyNumber''email_address' => 'setEmailAddress''skype_user_name' => 'setSkypeUserName''contact_persons' => 'setContactPersons''bank_account_details' => 'setBankAccountDetails''tax_number' => 'setTaxNumber''accounts_receivable_tax_type' => 'setAccountsReceivableTaxType''accounts_payable_tax_type' => 'setAccountsPayableTaxType''addresses' => 'setAddresses''phones' => 'setPhones''is_supplier' => 'setIsSupplier''is_customer' => 'setIsCustomer''sales_default_line_amount_type' => 'setSalesDefaultLineAmountType''purchases_default_line_amount_type' => 'setPurchasesDefaultLineAmountType''default_currency' => 'setDefaultCurrency''xero_network_key' => 'setXeroNetworkKey''sales_default_account_code' => 'setSalesDefaultAccountCode''purchases_default_account_code' => 'setPurchasesDefaultAccountCode''sales_tracking_categories' => 'setSalesTrackingCategories''purchases_tracking_categories' => 'setPurchasesTrackingCategories''tracking_category_name' => 'setTrackingCategoryName''tracking_category_option' => 'setTrackingCategoryOption''payment_terms' => 'setPaymentTerms''updated_date_utc' => 'setUpdatedDateUtc''contact_groups' => 'setContactGroups''website' => 'setWebsite''branding_theme' => 'setBrandingTheme''batch_payments' => 'setBatchPayments''discount' => 'setDiscount''balances' => 'setBalances''attachments' => 'setAttachments''has_attachments' => 'setHasAttachments''validation_errors' => 'setValidationErrors''has_validation_errors' => 'setHasValidationErrors''status_attribute_string' => 'setStatusAttributeString'
+        'contact_id' => 'setContactId',
+        'merged_to_contact_id' => 'setMergedToContactId',
+        'contact_number' => 'setContactNumber',
+        'account_number' => 'setAccountNumber',
+        'contact_status' => 'setContactStatus',
+        'name' => 'setName',
+        'first_name' => 'setFirstName',
+        'last_name' => 'setLastName',
+        'company_number' => 'setCompanyNumber',
+        'email_address' => 'setEmailAddress',
+        'skype_user_name' => 'setSkypeUserName',
+        'contact_persons' => 'setContactPersons',
+        'bank_account_details' => 'setBankAccountDetails',
+        'tax_number' => 'setTaxNumber',
+        'accounts_receivable_tax_type' => 'setAccountsReceivableTaxType',
+        'accounts_payable_tax_type' => 'setAccountsPayableTaxType',
+        'addresses' => 'setAddresses',
+        'phones' => 'setPhones',
+        'is_supplier' => 'setIsSupplier',
+        'is_customer' => 'setIsCustomer',
+        'sales_default_line_amount_type' => 'setSalesDefaultLineAmountType',
+        'purchases_default_line_amount_type' => 'setPurchasesDefaultLineAmountType',
+        'default_currency' => 'setDefaultCurrency',
+        'xero_network_key' => 'setXeroNetworkKey',
+        'sales_default_account_code' => 'setSalesDefaultAccountCode',
+        'purchases_default_account_code' => 'setPurchasesDefaultAccountCode',
+        'sales_tracking_categories' => 'setSalesTrackingCategories',
+        'purchases_tracking_categories' => 'setPurchasesTrackingCategories',
+        'tracking_category_name' => 'setTrackingCategoryName',
+        'tracking_category_option' => 'setTrackingCategoryOption',
+        'payment_terms' => 'setPaymentTerms',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'contact_groups' => 'setContactGroups',
+        'website' => 'setWebsite',
+        'branding_theme' => 'setBrandingTheme',
+        'batch_payments' => 'setBatchPayments',
+        'discount' => 'setDiscount',
+        'balances' => 'setBalances',
+        'attachments' => 'setAttachments',
+        'has_attachments' => 'setHasAttachments',
+        'validation_errors' => 'setValidationErrors',
+        'has_validation_errors' => 'setHasValidationErrors',
+        'status_attribute_string' => 'setStatusAttributeString'
     ];
 
     /**
@@ -115,7 +283,49 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'contact_id' => 'getContactId''merged_to_contact_id' => 'getMergedToContactId''contact_number' => 'getContactNumber''account_number' => 'getAccountNumber''contact_status' => 'getContactStatus''name' => 'getName''first_name' => 'getFirstName''last_name' => 'getLastName''company_number' => 'getCompanyNumber''email_address' => 'getEmailAddress''skype_user_name' => 'getSkypeUserName''contact_persons' => 'getContactPersons''bank_account_details' => 'getBankAccountDetails''tax_number' => 'getTaxNumber''accounts_receivable_tax_type' => 'getAccountsReceivableTaxType''accounts_payable_tax_type' => 'getAccountsPayableTaxType''addresses' => 'getAddresses''phones' => 'getPhones''is_supplier' => 'getIsSupplier''is_customer' => 'getIsCustomer''sales_default_line_amount_type' => 'getSalesDefaultLineAmountType''purchases_default_line_amount_type' => 'getPurchasesDefaultLineAmountType''default_currency' => 'getDefaultCurrency''xero_network_key' => 'getXeroNetworkKey''sales_default_account_code' => 'getSalesDefaultAccountCode''purchases_default_account_code' => 'getPurchasesDefaultAccountCode''sales_tracking_categories' => 'getSalesTrackingCategories''purchases_tracking_categories' => 'getPurchasesTrackingCategories''tracking_category_name' => 'getTrackingCategoryName''tracking_category_option' => 'getTrackingCategoryOption''payment_terms' => 'getPaymentTerms''updated_date_utc' => 'getUpdatedDateUtc''contact_groups' => 'getContactGroups''website' => 'getWebsite''branding_theme' => 'getBrandingTheme''batch_payments' => 'getBatchPayments''discount' => 'getDiscount''balances' => 'getBalances''attachments' => 'getAttachments''has_attachments' => 'getHasAttachments''validation_errors' => 'getValidationErrors''has_validation_errors' => 'getHasValidationErrors''status_attribute_string' => 'getStatusAttributeString'
+        'contact_id' => 'getContactId',
+        'merged_to_contact_id' => 'getMergedToContactId',
+        'contact_number' => 'getContactNumber',
+        'account_number' => 'getAccountNumber',
+        'contact_status' => 'getContactStatus',
+        'name' => 'getName',
+        'first_name' => 'getFirstName',
+        'last_name' => 'getLastName',
+        'company_number' => 'getCompanyNumber',
+        'email_address' => 'getEmailAddress',
+        'skype_user_name' => 'getSkypeUserName',
+        'contact_persons' => 'getContactPersons',
+        'bank_account_details' => 'getBankAccountDetails',
+        'tax_number' => 'getTaxNumber',
+        'accounts_receivable_tax_type' => 'getAccountsReceivableTaxType',
+        'accounts_payable_tax_type' => 'getAccountsPayableTaxType',
+        'addresses' => 'getAddresses',
+        'phones' => 'getPhones',
+        'is_supplier' => 'getIsSupplier',
+        'is_customer' => 'getIsCustomer',
+        'sales_default_line_amount_type' => 'getSalesDefaultLineAmountType',
+        'purchases_default_line_amount_type' => 'getPurchasesDefaultLineAmountType',
+        'default_currency' => 'getDefaultCurrency',
+        'xero_network_key' => 'getXeroNetworkKey',
+        'sales_default_account_code' => 'getSalesDefaultAccountCode',
+        'purchases_default_account_code' => 'getPurchasesDefaultAccountCode',
+        'sales_tracking_categories' => 'getSalesTrackingCategories',
+        'purchases_tracking_categories' => 'getPurchasesTrackingCategories',
+        'tracking_category_name' => 'getTrackingCategoryName',
+        'tracking_category_option' => 'getTrackingCategoryOption',
+        'payment_terms' => 'getPaymentTerms',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'contact_groups' => 'getContactGroups',
+        'website' => 'getWebsite',
+        'branding_theme' => 'getBrandingTheme',
+        'batch_payments' => 'getBatchPayments',
+        'discount' => 'getDiscount',
+        'balances' => 'getBalances',
+        'attachments' => 'getAttachments',
+        'has_attachments' => 'getHasAttachments',
+        'validation_errors' => 'getValidationErrors',
+        'has_validation_errors' => 'getHasValidationErrors',
+        'status_attribute_string' => 'getStatusAttributeString'
     ];
 
     /**
diff --git a/lib/Models/Accounting/ContactGroup.php b/lib/Models/Accounting/ContactGroup.php
index b6a5f084..7bc2930a 100644
--- a/lib/Models/Accounting/ContactGroup.php
+++ b/lib/Models/Accounting/ContactGroup.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class ContactGroup implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string''status' => 'string''contact_group_id' => 'string''contacts' => '\XeroAPI\XeroPHP\Models\Accounting\Contact[]'
+        'name' => 'string',
+        'status' => 'string',
+        'contact_group_id' => 'string',
+        'contacts' => '\XeroAPI\XeroPHP\Models\Accounting\Contact[]'
     ];
 
     /**
@@ -67,7 +70,10 @@ class ContactGroup implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null'status' => null'contact_group_id' => 'uuid''contacts' => null
+        'name' => null,
+        'status' => null,
+        'contact_group_id' => 'uuid',
+        'contacts' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'Name''status' => 'Status''contact_group_id' => 'ContactGroupID''contacts' => 'Contacts'
+        'name' => 'Name',
+        'status' => 'Status',
+        'contact_group_id' => 'ContactGroupID',
+        'contacts' => 'Contacts'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName''status' => 'setStatus''contact_group_id' => 'setContactGroupId''contacts' => 'setContacts'
+        'name' => 'setName',
+        'status' => 'setStatus',
+        'contact_group_id' => 'setContactGroupId',
+        'contacts' => 'setContacts'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName''status' => 'getStatus''contact_group_id' => 'getContactGroupId''contacts' => 'getContacts'
+        'name' => 'getName',
+        'status' => 'getStatus',
+        'contact_group_id' => 'getContactGroupId',
+        'contacts' => 'getContacts'
     ];
 
     /**
diff --git a/lib/Models/Accounting/ContactGroups.php b/lib/Models/Accounting/ContactGroups.php
index b247057d..43972619 100644
--- a/lib/Models/Accounting/ContactGroups.php
+++ b/lib/Models/Accounting/ContactGroups.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/ContactPerson.php b/lib/Models/Accounting/ContactPerson.php
index 090c4752..667aa5f4 100644
--- a/lib/Models/Accounting/ContactPerson.php
+++ b/lib/Models/Accounting/ContactPerson.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class ContactPerson implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'first_name' => 'string''last_name' => 'string''email_address' => 'string''include_in_emails' => 'bool'
+        'first_name' => 'string',
+        'last_name' => 'string',
+        'email_address' => 'string',
+        'include_in_emails' => 'bool'
     ];
 
     /**
@@ -67,7 +70,10 @@ class ContactPerson implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'first_name' => null'last_name' => null'email_address' => null'include_in_emails' => null
+        'first_name' => null,
+        'last_name' => null,
+        'email_address' => null,
+        'include_in_emails' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'first_name' => 'FirstName''last_name' => 'LastName''email_address' => 'EmailAddress''include_in_emails' => 'IncludeInEmails'
+        'first_name' => 'FirstName',
+        'last_name' => 'LastName',
+        'email_address' => 'EmailAddress',
+        'include_in_emails' => 'IncludeInEmails'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'first_name' => 'setFirstName''last_name' => 'setLastName''email_address' => 'setEmailAddress''include_in_emails' => 'setIncludeInEmails'
+        'first_name' => 'setFirstName',
+        'last_name' => 'setLastName',
+        'email_address' => 'setEmailAddress',
+        'include_in_emails' => 'setIncludeInEmails'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'first_name' => 'getFirstName''last_name' => 'getLastName''email_address' => 'getEmailAddress''include_in_emails' => 'getIncludeInEmails'
+        'first_name' => 'getFirstName',
+        'last_name' => 'getLastName',
+        'email_address' => 'getEmailAddress',
+        'include_in_emails' => 'getIncludeInEmails'
     ];
 
     /**
diff --git a/lib/Models/Accounting/Contacts.php b/lib/Models/Accounting/Contacts.php
index 122af024..992a8804 100644
--- a/lib/Models/Accounting/Contacts.php
+++ b/lib/Models/Accounting/Contacts.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/ConversionBalances.php b/lib/Models/Accounting/ConversionBalances.php
index 72df7801..2cd7f6ed 100644
--- a/lib/Models/Accounting/ConversionBalances.php
+++ b/lib/Models/Accounting/ConversionBalances.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -59,7 +59,9 @@ class ConversionBalances implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_code' => 'string''balance' => 'double''balance_details' => '\XeroAPI\XeroPHP\Models\Accounting\BalanceDetails[]'
+        'account_code' => 'string',
+        'balance' => 'double',
+        'balance_details' => '\XeroAPI\XeroPHP\Models\Accounting\BalanceDetails[]'
     ];
 
     /**
@@ -68,7 +70,9 @@ class ConversionBalances implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_code' => null'balance' => 'double''balance_details' => null
+        'account_code' => null,
+        'balance' => 'double',
+        'balance_details' => null
     ];
 
     /**
@@ -98,7 +102,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_code' => 'AccountCode''balance' => 'Balance''balance_details' => 'BalanceDetails'
+        'account_code' => 'AccountCode',
+        'balance' => 'Balance',
+        'balance_details' => 'BalanceDetails'
     ];
 
     /**
@@ -107,7 +113,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_code' => 'setAccountCode''balance' => 'setBalance''balance_details' => 'setBalanceDetails'
+        'account_code' => 'setAccountCode',
+        'balance' => 'setBalance',
+        'balance_details' => 'setBalanceDetails'
     ];
 
     /**
@@ -116,7 +124,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_code' => 'getAccountCode''balance' => 'getBalance''balance_details' => 'getBalanceDetails'
+        'account_code' => 'getAccountCode',
+        'balance' => 'getBalance',
+        'balance_details' => 'getBalanceDetails'
     ];
 
     /**
diff --git a/lib/Models/Accounting/ConversionDate.php b/lib/Models/Accounting/ConversionDate.php
index ec2fb122..522999b4 100644
--- a/lib/Models/Accounting/ConversionDate.php
+++ b/lib/Models/Accounting/ConversionDate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -59,7 +59,8 @@ class ConversionDate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'month' => 'int''year' => 'int'
+        'month' => 'int',
+        'year' => 'int'
     ];
 
     /**
@@ -68,7 +69,8 @@ class ConversionDate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'month' => null'year' => null
+        'month' => null,
+        'year' => null
     ];
 
     /**
@@ -98,7 +100,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'month' => 'Month''year' => 'Year'
+        'month' => 'Month',
+        'year' => 'Year'
     ];
 
     /**
@@ -107,7 +110,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'month' => 'setMonth''year' => 'setYear'
+        'month' => 'setMonth',
+        'year' => 'setYear'
     ];
 
     /**
@@ -116,7 +120,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'month' => 'getMonth''year' => 'getYear'
+        'month' => 'getMonth',
+        'year' => 'getYear'
     ];
 
     /**
diff --git a/lib/Models/Accounting/CountryCode.php b/lib/Models/Accounting/CountryCode.php
index 89446d2e..229953a3 100644
--- a/lib/Models/Accounting/CountryCode.php
+++ b/lib/Models/Accounting/CountryCode.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/CreditNote.php b/lib/Models/Accounting/CreditNote.php
index 6e63cb19..091cb3d8 100644
--- a/lib/Models/Accounting/CreditNote.php
+++ b/lib/Models/Accounting/CreditNote.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,36 @@ class CreditNote implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'type' => 'string''contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact''date' => 'string''due_date' => 'string''status' => 'string''line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes''line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]''sub_total' => 'double''total_tax' => 'double''total' => 'double''cis_deduction' => 'double''cis_rate' => 'double''updated_date_utc' => 'string''currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode''fully_paid_on_date' => 'string''credit_note_id' => 'string''credit_note_number' => 'string''reference' => 'string''sent_to_contact' => 'bool''currency_rate' => 'double''remaining_credit' => 'double''allocations' => '\XeroAPI\XeroPHP\Models\Accounting\Allocation[]''applied_amount' => 'double''payments' => '\XeroAPI\XeroPHP\Models\Accounting\Payment[]''branding_theme_id' => 'string''status_attribute_string' => 'string''has_attachments' => 'bool''has_errors' => 'bool''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]''warnings' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
+        'type' => 'string',
+        'contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact',
+        'date' => 'string',
+        'due_date' => 'string',
+        'status' => 'string',
+        'line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes',
+        'line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]',
+        'sub_total' => 'double',
+        'total_tax' => 'double',
+        'total' => 'double',
+        'cis_deduction' => 'double',
+        'cis_rate' => 'double',
+        'updated_date_utc' => 'string',
+        'currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode',
+        'fully_paid_on_date' => 'string',
+        'credit_note_id' => 'string',
+        'credit_note_number' => 'string',
+        'reference' => 'string',
+        'sent_to_contact' => 'bool',
+        'currency_rate' => 'double',
+        'remaining_credit' => 'double',
+        'allocations' => '\XeroAPI\XeroPHP\Models\Accounting\Allocation[]',
+        'applied_amount' => 'double',
+        'payments' => '\XeroAPI\XeroPHP\Models\Accounting\Payment[]',
+        'branding_theme_id' => 'string',
+        'status_attribute_string' => 'string',
+        'has_attachments' => 'bool',
+        'has_errors' => 'bool',
+        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]',
+        'warnings' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
     ];
 
     /**
@@ -67,7 +96,36 @@ class CreditNote implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'type' => null'contact' => null'date' => null'due_date' => null'status' => null'line_amount_types' => null'line_items' => null'sub_total' => 'double''total_tax' => 'double''total' => 'double''cis_deduction' => 'double''cis_rate' => 'double''updated_date_utc' => null'currency_code' => null'fully_paid_on_date' => null'credit_note_id' => 'uuid''credit_note_number' => null'reference' => null'sent_to_contact' => null'currency_rate' => 'double''remaining_credit' => 'double''allocations' => null'applied_amount' => 'double''payments' => null'branding_theme_id' => 'uuid''status_attribute_string' => null'has_attachments' => null'has_errors' => null'validation_errors' => null'warnings' => null
+        'type' => null,
+        'contact' => null,
+        'date' => null,
+        'due_date' => null,
+        'status' => null,
+        'line_amount_types' => null,
+        'line_items' => null,
+        'sub_total' => 'double',
+        'total_tax' => 'double',
+        'total' => 'double',
+        'cis_deduction' => 'double',
+        'cis_rate' => 'double',
+        'updated_date_utc' => null,
+        'currency_code' => null,
+        'fully_paid_on_date' => null,
+        'credit_note_id' => 'uuid',
+        'credit_note_number' => null,
+        'reference' => null,
+        'sent_to_contact' => null,
+        'currency_rate' => 'double',
+        'remaining_credit' => 'double',
+        'allocations' => null,
+        'applied_amount' => 'double',
+        'payments' => null,
+        'branding_theme_id' => 'uuid',
+        'status_attribute_string' => null,
+        'has_attachments' => null,
+        'has_errors' => null,
+        'validation_errors' => null,
+        'warnings' => null
     ];
 
     /**
@@ -97,7 +155,36 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'type' => 'Type''contact' => 'Contact''date' => 'Date''due_date' => 'DueDate''status' => 'Status''line_amount_types' => 'LineAmountTypes''line_items' => 'LineItems''sub_total' => 'SubTotal''total_tax' => 'TotalTax''total' => 'Total''cis_deduction' => 'CISDeduction''cis_rate' => 'CISRate''updated_date_utc' => 'UpdatedDateUTC''currency_code' => 'CurrencyCode''fully_paid_on_date' => 'FullyPaidOnDate''credit_note_id' => 'CreditNoteID''credit_note_number' => 'CreditNoteNumber''reference' => 'Reference''sent_to_contact' => 'SentToContact''currency_rate' => 'CurrencyRate''remaining_credit' => 'RemainingCredit''allocations' => 'Allocations''applied_amount' => 'AppliedAmount''payments' => 'Payments''branding_theme_id' => 'BrandingThemeID''status_attribute_string' => 'StatusAttributeString''has_attachments' => 'HasAttachments''has_errors' => 'HasErrors''validation_errors' => 'ValidationErrors''warnings' => 'Warnings'
+        'type' => 'Type',
+        'contact' => 'Contact',
+        'date' => 'Date',
+        'due_date' => 'DueDate',
+        'status' => 'Status',
+        'line_amount_types' => 'LineAmountTypes',
+        'line_items' => 'LineItems',
+        'sub_total' => 'SubTotal',
+        'total_tax' => 'TotalTax',
+        'total' => 'Total',
+        'cis_deduction' => 'CISDeduction',
+        'cis_rate' => 'CISRate',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'currency_code' => 'CurrencyCode',
+        'fully_paid_on_date' => 'FullyPaidOnDate',
+        'credit_note_id' => 'CreditNoteID',
+        'credit_note_number' => 'CreditNoteNumber',
+        'reference' => 'Reference',
+        'sent_to_contact' => 'SentToContact',
+        'currency_rate' => 'CurrencyRate',
+        'remaining_credit' => 'RemainingCredit',
+        'allocations' => 'Allocations',
+        'applied_amount' => 'AppliedAmount',
+        'payments' => 'Payments',
+        'branding_theme_id' => 'BrandingThemeID',
+        'status_attribute_string' => 'StatusAttributeString',
+        'has_attachments' => 'HasAttachments',
+        'has_errors' => 'HasErrors',
+        'validation_errors' => 'ValidationErrors',
+        'warnings' => 'Warnings'
     ];
 
     /**
@@ -106,7 +193,36 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'type' => 'setType''contact' => 'setContact''date' => 'setDate''due_date' => 'setDueDate''status' => 'setStatus''line_amount_types' => 'setLineAmountTypes''line_items' => 'setLineItems''sub_total' => 'setSubTotal''total_tax' => 'setTotalTax''total' => 'setTotal''cis_deduction' => 'setCisDeduction''cis_rate' => 'setCisRate''updated_date_utc' => 'setUpdatedDateUtc''currency_code' => 'setCurrencyCode''fully_paid_on_date' => 'setFullyPaidOnDate''credit_note_id' => 'setCreditNoteId''credit_note_number' => 'setCreditNoteNumber''reference' => 'setReference''sent_to_contact' => 'setSentToContact''currency_rate' => 'setCurrencyRate''remaining_credit' => 'setRemainingCredit''allocations' => 'setAllocations''applied_amount' => 'setAppliedAmount''payments' => 'setPayments''branding_theme_id' => 'setBrandingThemeId''status_attribute_string' => 'setStatusAttributeString''has_attachments' => 'setHasAttachments''has_errors' => 'setHasErrors''validation_errors' => 'setValidationErrors''warnings' => 'setWarnings'
+        'type' => 'setType',
+        'contact' => 'setContact',
+        'date' => 'setDate',
+        'due_date' => 'setDueDate',
+        'status' => 'setStatus',
+        'line_amount_types' => 'setLineAmountTypes',
+        'line_items' => 'setLineItems',
+        'sub_total' => 'setSubTotal',
+        'total_tax' => 'setTotalTax',
+        'total' => 'setTotal',
+        'cis_deduction' => 'setCisDeduction',
+        'cis_rate' => 'setCisRate',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'currency_code' => 'setCurrencyCode',
+        'fully_paid_on_date' => 'setFullyPaidOnDate',
+        'credit_note_id' => 'setCreditNoteId',
+        'credit_note_number' => 'setCreditNoteNumber',
+        'reference' => 'setReference',
+        'sent_to_contact' => 'setSentToContact',
+        'currency_rate' => 'setCurrencyRate',
+        'remaining_credit' => 'setRemainingCredit',
+        'allocations' => 'setAllocations',
+        'applied_amount' => 'setAppliedAmount',
+        'payments' => 'setPayments',
+        'branding_theme_id' => 'setBrandingThemeId',
+        'status_attribute_string' => 'setStatusAttributeString',
+        'has_attachments' => 'setHasAttachments',
+        'has_errors' => 'setHasErrors',
+        'validation_errors' => 'setValidationErrors',
+        'warnings' => 'setWarnings'
     ];
 
     /**
@@ -115,7 +231,36 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'type' => 'getType''contact' => 'getContact''date' => 'getDate''due_date' => 'getDueDate''status' => 'getStatus''line_amount_types' => 'getLineAmountTypes''line_items' => 'getLineItems''sub_total' => 'getSubTotal''total_tax' => 'getTotalTax''total' => 'getTotal''cis_deduction' => 'getCisDeduction''cis_rate' => 'getCisRate''updated_date_utc' => 'getUpdatedDateUtc''currency_code' => 'getCurrencyCode''fully_paid_on_date' => 'getFullyPaidOnDate''credit_note_id' => 'getCreditNoteId''credit_note_number' => 'getCreditNoteNumber''reference' => 'getReference''sent_to_contact' => 'getSentToContact''currency_rate' => 'getCurrencyRate''remaining_credit' => 'getRemainingCredit''allocations' => 'getAllocations''applied_amount' => 'getAppliedAmount''payments' => 'getPayments''branding_theme_id' => 'getBrandingThemeId''status_attribute_string' => 'getStatusAttributeString''has_attachments' => 'getHasAttachments''has_errors' => 'getHasErrors''validation_errors' => 'getValidationErrors''warnings' => 'getWarnings'
+        'type' => 'getType',
+        'contact' => 'getContact',
+        'date' => 'getDate',
+        'due_date' => 'getDueDate',
+        'status' => 'getStatus',
+        'line_amount_types' => 'getLineAmountTypes',
+        'line_items' => 'getLineItems',
+        'sub_total' => 'getSubTotal',
+        'total_tax' => 'getTotalTax',
+        'total' => 'getTotal',
+        'cis_deduction' => 'getCisDeduction',
+        'cis_rate' => 'getCisRate',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'currency_code' => 'getCurrencyCode',
+        'fully_paid_on_date' => 'getFullyPaidOnDate',
+        'credit_note_id' => 'getCreditNoteId',
+        'credit_note_number' => 'getCreditNoteNumber',
+        'reference' => 'getReference',
+        'sent_to_contact' => 'getSentToContact',
+        'currency_rate' => 'getCurrencyRate',
+        'remaining_credit' => 'getRemainingCredit',
+        'allocations' => 'getAllocations',
+        'applied_amount' => 'getAppliedAmount',
+        'payments' => 'getPayments',
+        'branding_theme_id' => 'getBrandingThemeId',
+        'status_attribute_string' => 'getStatusAttributeString',
+        'has_attachments' => 'getHasAttachments',
+        'has_errors' => 'getHasErrors',
+        'validation_errors' => 'getValidationErrors',
+        'warnings' => 'getWarnings'
     ];
 
     /**
diff --git a/lib/Models/Accounting/CreditNotes.php b/lib/Models/Accounting/CreditNotes.php
index 5f0de03a..3164b5c2 100644
--- a/lib/Models/Accounting/CreditNotes.php
+++ b/lib/Models/Accounting/CreditNotes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/Currencies.php b/lib/Models/Accounting/Currencies.php
index 9213f912..7b7f7971 100644
--- a/lib/Models/Accounting/Currencies.php
+++ b/lib/Models/Accounting/Currencies.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/Currency.php b/lib/Models/Accounting/Currency.php
index c34edd60..6a82e4a0 100644
--- a/lib/Models/Accounting/Currency.php
+++ b/lib/Models/Accounting/Currency.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class Currency implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode''description' => 'string'
+        'code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode',
+        'description' => 'string'
     ];
 
     /**
@@ -67,7 +68,8 @@ class Currency implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'code' => null'description' => null
+        'code' => null,
+        'description' => null
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'code' => 'Code''description' => 'Description'
+        'code' => 'Code',
+        'description' => 'Description'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'code' => 'setCode''description' => 'setDescription'
+        'code' => 'setCode',
+        'description' => 'setDescription'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'code' => 'getCode''description' => 'getDescription'
+        'code' => 'getCode',
+        'description' => 'getDescription'
     ];
 
     /**
diff --git a/lib/Models/Accounting/CurrencyCode.php b/lib/Models/Accounting/CurrencyCode.php
index bd8934cf..3a03ae8d 100644
--- a/lib/Models/Accounting/CurrencyCode.php
+++ b/lib/Models/Accounting/CurrencyCode.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/Element.php b/lib/Models/Accounting/Element.php
index f41a3e1d..8bef1e03 100644
--- a/lib/Models/Accounting/Element.php
+++ b/lib/Models/Accounting/Element.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,14 @@ class Element implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]''batch_payment_id' => 'string''bank_transaction_id' => 'string''credit_note_id' => 'string''contact_id' => 'string''invoice_id' => 'string''item_id' => 'string''purchase_order_id' => 'string'
+        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]',
+        'batch_payment_id' => 'string',
+        'bank_transaction_id' => 'string',
+        'credit_note_id' => 'string',
+        'contact_id' => 'string',
+        'invoice_id' => 'string',
+        'item_id' => 'string',
+        'purchase_order_id' => 'string'
     ];
 
     /**
@@ -67,7 +74,14 @@ class Element implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'validation_errors' => null'batch_payment_id' => 'uuid''bank_transaction_id' => 'uuid''credit_note_id' => 'uuid''contact_id' => 'uuid''invoice_id' => 'uuid''item_id' => 'uuid''purchase_order_id' => 'uuid'
+        'validation_errors' => null,
+        'batch_payment_id' => 'uuid',
+        'bank_transaction_id' => 'uuid',
+        'credit_note_id' => 'uuid',
+        'contact_id' => 'uuid',
+        'invoice_id' => 'uuid',
+        'item_id' => 'uuid',
+        'purchase_order_id' => 'uuid'
     ];
 
     /**
@@ -97,7 +111,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'validation_errors' => 'ValidationErrors''batch_payment_id' => 'BatchPaymentID''bank_transaction_id' => 'BankTransactionID''credit_note_id' => 'CreditNoteID''contact_id' => 'ContactID''invoice_id' => 'InvoiceID''item_id' => 'ItemID''purchase_order_id' => 'PurchaseOrderID'
+        'validation_errors' => 'ValidationErrors',
+        'batch_payment_id' => 'BatchPaymentID',
+        'bank_transaction_id' => 'BankTransactionID',
+        'credit_note_id' => 'CreditNoteID',
+        'contact_id' => 'ContactID',
+        'invoice_id' => 'InvoiceID',
+        'item_id' => 'ItemID',
+        'purchase_order_id' => 'PurchaseOrderID'
     ];
 
     /**
@@ -106,7 +127,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'validation_errors' => 'setValidationErrors''batch_payment_id' => 'setBatchPaymentId''bank_transaction_id' => 'setBankTransactionId''credit_note_id' => 'setCreditNoteId''contact_id' => 'setContactId''invoice_id' => 'setInvoiceId''item_id' => 'setItemId''purchase_order_id' => 'setPurchaseOrderId'
+        'validation_errors' => 'setValidationErrors',
+        'batch_payment_id' => 'setBatchPaymentId',
+        'bank_transaction_id' => 'setBankTransactionId',
+        'credit_note_id' => 'setCreditNoteId',
+        'contact_id' => 'setContactId',
+        'invoice_id' => 'setInvoiceId',
+        'item_id' => 'setItemId',
+        'purchase_order_id' => 'setPurchaseOrderId'
     ];
 
     /**
@@ -115,7 +143,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'validation_errors' => 'getValidationErrors''batch_payment_id' => 'getBatchPaymentId''bank_transaction_id' => 'getBankTransactionId''credit_note_id' => 'getCreditNoteId''contact_id' => 'getContactId''invoice_id' => 'getInvoiceId''item_id' => 'getItemId''purchase_order_id' => 'getPurchaseOrderId'
+        'validation_errors' => 'getValidationErrors',
+        'batch_payment_id' => 'getBatchPaymentId',
+        'bank_transaction_id' => 'getBankTransactionId',
+        'credit_note_id' => 'getCreditNoteId',
+        'contact_id' => 'getContactId',
+        'invoice_id' => 'getInvoiceId',
+        'item_id' => 'getItemId',
+        'purchase_order_id' => 'getPurchaseOrderId'
     ];
 
     /**
diff --git a/lib/Models/Accounting/Employee.php b/lib/Models/Accounting/Employee.php
index e20ba7cb..a350bf04 100644
--- a/lib/Models/Accounting/Employee.php
+++ b/lib/Models/Accounting/Employee.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,14 @@ class Employee implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'employee_id' => 'string''status' => 'string''first_name' => 'string''last_name' => 'string''external_link' => '\XeroAPI\XeroPHP\Models\Accounting\ExternalLink''updated_date_utc' => 'string''status_attribute_string' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
+        'employee_id' => 'string',
+        'status' => 'string',
+        'first_name' => 'string',
+        'last_name' => 'string',
+        'external_link' => '\XeroAPI\XeroPHP\Models\Accounting\ExternalLink',
+        'updated_date_utc' => 'string',
+        'status_attribute_string' => 'string',
+        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
     ];
 
     /**
@@ -67,7 +74,14 @@ class Employee implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'employee_id' => 'uuid''status' => null'first_name' => null'last_name' => null'external_link' => null'updated_date_utc' => null'status_attribute_string' => null'validation_errors' => null
+        'employee_id' => 'uuid',
+        'status' => null,
+        'first_name' => null,
+        'last_name' => null,
+        'external_link' => null,
+        'updated_date_utc' => null,
+        'status_attribute_string' => null,
+        'validation_errors' => null
     ];
 
     /**
@@ -97,7 +111,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'employee_id' => 'EmployeeID''status' => 'Status''first_name' => 'FirstName''last_name' => 'LastName''external_link' => 'ExternalLink''updated_date_utc' => 'UpdatedDateUTC''status_attribute_string' => 'StatusAttributeString''validation_errors' => 'ValidationErrors'
+        'employee_id' => 'EmployeeID',
+        'status' => 'Status',
+        'first_name' => 'FirstName',
+        'last_name' => 'LastName',
+        'external_link' => 'ExternalLink',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'status_attribute_string' => 'StatusAttributeString',
+        'validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -106,7 +127,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'employee_id' => 'setEmployeeId''status' => 'setStatus''first_name' => 'setFirstName''last_name' => 'setLastName''external_link' => 'setExternalLink''updated_date_utc' => 'setUpdatedDateUtc''status_attribute_string' => 'setStatusAttributeString''validation_errors' => 'setValidationErrors'
+        'employee_id' => 'setEmployeeId',
+        'status' => 'setStatus',
+        'first_name' => 'setFirstName',
+        'last_name' => 'setLastName',
+        'external_link' => 'setExternalLink',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'status_attribute_string' => 'setStatusAttributeString',
+        'validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -115,7 +143,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'employee_id' => 'getEmployeeId''status' => 'getStatus''first_name' => 'getFirstName''last_name' => 'getLastName''external_link' => 'getExternalLink''updated_date_utc' => 'getUpdatedDateUtc''status_attribute_string' => 'getStatusAttributeString''validation_errors' => 'getValidationErrors'
+        'employee_id' => 'getEmployeeId',
+        'status' => 'getStatus',
+        'first_name' => 'getFirstName',
+        'last_name' => 'getLastName',
+        'external_link' => 'getExternalLink',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'status_attribute_string' => 'getStatusAttributeString',
+        'validation_errors' => 'getValidationErrors'
     ];
 
     /**
diff --git a/lib/Models/Accounting/Employees.php b/lib/Models/Accounting/Employees.php
index 6abedac3..d0baf3ff 100644
--- a/lib/Models/Accounting/Employees.php
+++ b/lib/Models/Accounting/Employees.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/Error.php b/lib/Models/Accounting/Error.php
index 1400aba3..a802873e 100644
--- a/lib/Models/Accounting/Error.php
+++ b/lib/Models/Accounting/Error.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class Error implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'error_number' => 'int''type' => 'string''message' => 'string''elements' => '\XeroAPI\XeroPHP\Models\Accounting\Element[]'
+        'error_number' => 'int',
+        'type' => 'string',
+        'message' => 'string',
+        'elements' => '\XeroAPI\XeroPHP\Models\Accounting\Element[]'
     ];
 
     /**
@@ -67,7 +70,10 @@ class Error implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'error_number' => null'type' => null'message' => null'elements' => null
+        'error_number' => null,
+        'type' => null,
+        'message' => null,
+        'elements' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'error_number' => 'ErrorNumber''type' => 'Type''message' => 'Message''elements' => 'Elements'
+        'error_number' => 'ErrorNumber',
+        'type' => 'Type',
+        'message' => 'Message',
+        'elements' => 'Elements'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'error_number' => 'setErrorNumber''type' => 'setType''message' => 'setMessage''elements' => 'setElements'
+        'error_number' => 'setErrorNumber',
+        'type' => 'setType',
+        'message' => 'setMessage',
+        'elements' => 'setElements'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'error_number' => 'getErrorNumber''type' => 'getType''message' => 'getMessage''elements' => 'getElements'
+        'error_number' => 'getErrorNumber',
+        'type' => 'getType',
+        'message' => 'getMessage',
+        'elements' => 'getElements'
     ];
 
     /**
diff --git a/lib/Models/Accounting/ExpenseClaim.php b/lib/Models/Accounting/ExpenseClaim.php
index b51ef2c6..32386684 100644
--- a/lib/Models/Accounting/ExpenseClaim.php
+++ b/lib/Models/Accounting/ExpenseClaim.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,18 @@ class ExpenseClaim implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'expense_claim_id' => 'string''status' => 'string''payments' => '\XeroAPI\XeroPHP\Models\Accounting\Payment[]''user' => '\XeroAPI\XeroPHP\Models\Accounting\User''receipts' => '\XeroAPI\XeroPHP\Models\Accounting\Receipt[]''updated_date_utc' => 'string''total' => 'double''amount_due' => 'double''amount_paid' => 'double''payment_due_date' => 'string''reporting_date' => 'string''receipt_id' => 'string'
+        'expense_claim_id' => 'string',
+        'status' => 'string',
+        'payments' => '\XeroAPI\XeroPHP\Models\Accounting\Payment[]',
+        'user' => '\XeroAPI\XeroPHP\Models\Accounting\User',
+        'receipts' => '\XeroAPI\XeroPHP\Models\Accounting\Receipt[]',
+        'updated_date_utc' => 'string',
+        'total' => 'double',
+        'amount_due' => 'double',
+        'amount_paid' => 'double',
+        'payment_due_date' => 'string',
+        'reporting_date' => 'string',
+        'receipt_id' => 'string'
     ];
 
     /**
@@ -67,7 +78,18 @@ class ExpenseClaim implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'expense_claim_id' => 'uuid''status' => null'payments' => null'user' => null'receipts' => null'updated_date_utc' => null'total' => 'double''amount_due' => 'double''amount_paid' => 'double''payment_due_date' => null'reporting_date' => null'receipt_id' => 'uuid'
+        'expense_claim_id' => 'uuid',
+        'status' => null,
+        'payments' => null,
+        'user' => null,
+        'receipts' => null,
+        'updated_date_utc' => null,
+        'total' => 'double',
+        'amount_due' => 'double',
+        'amount_paid' => 'double',
+        'payment_due_date' => null,
+        'reporting_date' => null,
+        'receipt_id' => 'uuid'
     ];
 
     /**
@@ -97,7 +119,18 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'expense_claim_id' => 'ExpenseClaimID''status' => 'Status''payments' => 'Payments''user' => 'User''receipts' => 'Receipts''updated_date_utc' => 'UpdatedDateUTC''total' => 'Total''amount_due' => 'AmountDue''amount_paid' => 'AmountPaid''payment_due_date' => 'PaymentDueDate''reporting_date' => 'ReportingDate''receipt_id' => 'ReceiptID'
+        'expense_claim_id' => 'ExpenseClaimID',
+        'status' => 'Status',
+        'payments' => 'Payments',
+        'user' => 'User',
+        'receipts' => 'Receipts',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'total' => 'Total',
+        'amount_due' => 'AmountDue',
+        'amount_paid' => 'AmountPaid',
+        'payment_due_date' => 'PaymentDueDate',
+        'reporting_date' => 'ReportingDate',
+        'receipt_id' => 'ReceiptID'
     ];
 
     /**
@@ -106,7 +139,18 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'expense_claim_id' => 'setExpenseClaimId''status' => 'setStatus''payments' => 'setPayments''user' => 'setUser''receipts' => 'setReceipts''updated_date_utc' => 'setUpdatedDateUtc''total' => 'setTotal''amount_due' => 'setAmountDue''amount_paid' => 'setAmountPaid''payment_due_date' => 'setPaymentDueDate''reporting_date' => 'setReportingDate''receipt_id' => 'setReceiptId'
+        'expense_claim_id' => 'setExpenseClaimId',
+        'status' => 'setStatus',
+        'payments' => 'setPayments',
+        'user' => 'setUser',
+        'receipts' => 'setReceipts',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'total' => 'setTotal',
+        'amount_due' => 'setAmountDue',
+        'amount_paid' => 'setAmountPaid',
+        'payment_due_date' => 'setPaymentDueDate',
+        'reporting_date' => 'setReportingDate',
+        'receipt_id' => 'setReceiptId'
     ];
 
     /**
@@ -115,7 +159,18 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'expense_claim_id' => 'getExpenseClaimId''status' => 'getStatus''payments' => 'getPayments''user' => 'getUser''receipts' => 'getReceipts''updated_date_utc' => 'getUpdatedDateUtc''total' => 'getTotal''amount_due' => 'getAmountDue''amount_paid' => 'getAmountPaid''payment_due_date' => 'getPaymentDueDate''reporting_date' => 'getReportingDate''receipt_id' => 'getReceiptId'
+        'expense_claim_id' => 'getExpenseClaimId',
+        'status' => 'getStatus',
+        'payments' => 'getPayments',
+        'user' => 'getUser',
+        'receipts' => 'getReceipts',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'total' => 'getTotal',
+        'amount_due' => 'getAmountDue',
+        'amount_paid' => 'getAmountPaid',
+        'payment_due_date' => 'getPaymentDueDate',
+        'reporting_date' => 'getReportingDate',
+        'receipt_id' => 'getReceiptId'
     ];
 
     /**
diff --git a/lib/Models/Accounting/ExpenseClaims.php b/lib/Models/Accounting/ExpenseClaims.php
index 415c0f76..30cd0f9b 100644
--- a/lib/Models/Accounting/ExpenseClaims.php
+++ b/lib/Models/Accounting/ExpenseClaims.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/ExternalLink.php b/lib/Models/Accounting/ExternalLink.php
index fc6cdcb9..711507e9 100644
--- a/lib/Models/Accounting/ExternalLink.php
+++ b/lib/Models/Accounting/ExternalLink.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class ExternalLink implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'link_type' => 'string''url' => 'string''description' => 'string'
+        'link_type' => 'string',
+        'url' => 'string',
+        'description' => 'string'
     ];
 
     /**
@@ -67,7 +69,9 @@ class ExternalLink implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'link_type' => null'url' => null'description' => null
+        'link_type' => null,
+        'url' => null,
+        'description' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'link_type' => 'LinkType''url' => 'Url''description' => 'Description'
+        'link_type' => 'LinkType',
+        'url' => 'Url',
+        'description' => 'Description'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'link_type' => 'setLinkType''url' => 'setUrl''description' => 'setDescription'
+        'link_type' => 'setLinkType',
+        'url' => 'setUrl',
+        'description' => 'setDescription'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'link_type' => 'getLinkType''url' => 'getUrl''description' => 'getDescription'
+        'link_type' => 'getLinkType',
+        'url' => 'getUrl',
+        'description' => 'getDescription'
     ];
 
     /**
diff --git a/lib/Models/Accounting/HistoryRecord.php b/lib/Models/Accounting/HistoryRecord.php
index 380f4e27..fd09039d 100644
--- a/lib/Models/Accounting/HistoryRecord.php
+++ b/lib/Models/Accounting/HistoryRecord.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class HistoryRecord implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'details' => 'string''changes' => 'string''user' => 'string''date_utc' => 'string'
+        'details' => 'string',
+        'changes' => 'string',
+        'user' => 'string',
+        'date_utc' => 'string'
     ];
 
     /**
@@ -67,7 +70,10 @@ class HistoryRecord implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'details' => null'changes' => null'user' => null'date_utc' => null
+        'details' => null,
+        'changes' => null,
+        'user' => null,
+        'date_utc' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'details' => 'Details''changes' => 'Changes''user' => 'User''date_utc' => 'DateUTC'
+        'details' => 'Details',
+        'changes' => 'Changes',
+        'user' => 'User',
+        'date_utc' => 'DateUTC'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'details' => 'setDetails''changes' => 'setChanges''user' => 'setUser''date_utc' => 'setDateUtc'
+        'details' => 'setDetails',
+        'changes' => 'setChanges',
+        'user' => 'setUser',
+        'date_utc' => 'setDateUtc'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'details' => 'getDetails''changes' => 'getChanges''user' => 'getUser''date_utc' => 'getDateUtc'
+        'details' => 'getDetails',
+        'changes' => 'getChanges',
+        'user' => 'getUser',
+        'date_utc' => 'getDateUtc'
     ];
 
     /**
diff --git a/lib/Models/Accounting/HistoryRecords.php b/lib/Models/Accounting/HistoryRecords.php
index 039d5d9f..424096f5 100644
--- a/lib/Models/Accounting/HistoryRecords.php
+++ b/lib/Models/Accounting/HistoryRecords.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/ImportSummary.php b/lib/Models/Accounting/ImportSummary.php
index 41b4091c..218b4931 100644
--- a/lib/Models/Accounting/ImportSummary.php
+++ b/lib/Models/Accounting/ImportSummary.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -59,7 +59,8 @@ class ImportSummary implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'accounts' => '\XeroAPI\XeroPHP\Models\Accounting\ImportSummaryAccounts''organisation' => '\XeroAPI\XeroPHP\Models\Accounting\ImportSummaryOrganisation'
+        'accounts' => '\XeroAPI\XeroPHP\Models\Accounting\ImportSummaryAccounts',
+        'organisation' => '\XeroAPI\XeroPHP\Models\Accounting\ImportSummaryOrganisation'
     ];
 
     /**
@@ -68,7 +69,8 @@ class ImportSummary implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'accounts' => null'organisation' => null
+        'accounts' => null,
+        'organisation' => null
     ];
 
     /**
@@ -98,7 +100,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'accounts' => 'Accounts''organisation' => 'Organisation'
+        'accounts' => 'Accounts',
+        'organisation' => 'Organisation'
     ];
 
     /**
@@ -107,7 +110,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'accounts' => 'setAccounts''organisation' => 'setOrganisation'
+        'accounts' => 'setAccounts',
+        'organisation' => 'setOrganisation'
     ];
 
     /**
@@ -116,7 +120,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'accounts' => 'getAccounts''organisation' => 'getOrganisation'
+        'accounts' => 'getAccounts',
+        'organisation' => 'getOrganisation'
     ];
 
     /**
diff --git a/lib/Models/Accounting/ImportSummaryAccounts.php b/lib/Models/Accounting/ImportSummaryAccounts.php
index 201d5422..14d17955 100644
--- a/lib/Models/Accounting/ImportSummaryAccounts.php
+++ b/lib/Models/Accounting/ImportSummaryAccounts.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -59,7 +59,15 @@ class ImportSummaryAccounts implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'total' => 'int''new' => 'int''updated' => 'int''deleted' => 'int''locked' => 'int''system' => 'int''errored' => 'int''present' => 'bool''new_or_updated' => 'int'
+        'total' => 'int',
+        'new' => 'int',
+        'updated' => 'int',
+        'deleted' => 'int',
+        'locked' => 'int',
+        'system' => 'int',
+        'errored' => 'int',
+        'present' => 'bool',
+        'new_or_updated' => 'int'
     ];
 
     /**
@@ -68,7 +76,15 @@ class ImportSummaryAccounts implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'total' => 'int32''new' => 'int32''updated' => 'int32''deleted' => 'int32''locked' => 'int32''system' => 'int32''errored' => 'int32''present' => null'new_or_updated' => 'int32'
+        'total' => 'int32',
+        'new' => 'int32',
+        'updated' => 'int32',
+        'deleted' => 'int32',
+        'locked' => 'int32',
+        'system' => 'int32',
+        'errored' => 'int32',
+        'present' => null,
+        'new_or_updated' => 'int32'
     ];
 
     /**
@@ -98,7 +114,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'total' => 'Total''new' => 'New''updated' => 'Updated''deleted' => 'Deleted''locked' => 'Locked''system' => 'System''errored' => 'Errored''present' => 'Present''new_or_updated' => 'NewOrUpdated'
+        'total' => 'Total',
+        'new' => 'New',
+        'updated' => 'Updated',
+        'deleted' => 'Deleted',
+        'locked' => 'Locked',
+        'system' => 'System',
+        'errored' => 'Errored',
+        'present' => 'Present',
+        'new_or_updated' => 'NewOrUpdated'
     ];
 
     /**
@@ -107,7 +131,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'total' => 'setTotal''new' => 'setNew''updated' => 'setUpdated''deleted' => 'setDeleted''locked' => 'setLocked''system' => 'setSystem''errored' => 'setErrored''present' => 'setPresent''new_or_updated' => 'setNewOrUpdated'
+        'total' => 'setTotal',
+        'new' => 'setNew',
+        'updated' => 'setUpdated',
+        'deleted' => 'setDeleted',
+        'locked' => 'setLocked',
+        'system' => 'setSystem',
+        'errored' => 'setErrored',
+        'present' => 'setPresent',
+        'new_or_updated' => 'setNewOrUpdated'
     ];
 
     /**
@@ -116,7 +148,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'total' => 'getTotal''new' => 'getNew''updated' => 'getUpdated''deleted' => 'getDeleted''locked' => 'getLocked''system' => 'getSystem''errored' => 'getErrored''present' => 'getPresent''new_or_updated' => 'getNewOrUpdated'
+        'total' => 'getTotal',
+        'new' => 'getNew',
+        'updated' => 'getUpdated',
+        'deleted' => 'getDeleted',
+        'locked' => 'getLocked',
+        'system' => 'getSystem',
+        'errored' => 'getErrored',
+        'present' => 'getPresent',
+        'new_or_updated' => 'getNewOrUpdated'
     ];
 
     /**
diff --git a/lib/Models/Accounting/ImportSummaryObject.php b/lib/Models/Accounting/ImportSummaryObject.php
index badb795d..66cc44c5 100644
--- a/lib/Models/Accounting/ImportSummaryObject.php
+++ b/lib/Models/Accounting/ImportSummaryObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/ImportSummaryOrganisation.php b/lib/Models/Accounting/ImportSummaryOrganisation.php
index 4b772a30..ac6ccc0d 100644
--- a/lib/Models/Accounting/ImportSummaryOrganisation.php
+++ b/lib/Models/Accounting/ImportSummaryOrganisation.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/Invoice.php b/lib/Models/Accounting/Invoice.php
index 11235b51..95a20c2f 100644
--- a/lib/Models/Accounting/Invoice.php
+++ b/lib/Models/Accounting/Invoice.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,46 @@ class Invoice implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'type' => 'string''contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact''line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]''date' => 'string''due_date' => 'string''line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes''invoice_number' => 'string''reference' => 'string''branding_theme_id' => 'string''url' => 'string''currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode''currency_rate' => 'double''status' => 'string''sent_to_contact' => 'bool''expected_payment_date' => 'string''planned_payment_date' => 'string''cis_deduction' => 'double''cis_rate' => 'double''sub_total' => 'double''total_tax' => 'double''total' => 'double''total_discount' => 'double''invoice_id' => 'string''repeating_invoice_id' => 'string''has_attachments' => 'bool''is_discounted' => 'bool''payments' => '\XeroAPI\XeroPHP\Models\Accounting\Payment[]''prepayments' => '\XeroAPI\XeroPHP\Models\Accounting\Prepayment[]''overpayments' => '\XeroAPI\XeroPHP\Models\Accounting\Overpayment[]''amount_due' => 'double''amount_paid' => 'double''fully_paid_on_date' => 'string''amount_credited' => 'double''updated_date_utc' => 'string''credit_notes' => '\XeroAPI\XeroPHP\Models\Accounting\CreditNote[]''attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]''has_errors' => 'bool''status_attribute_string' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]''warnings' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
+        'type' => 'string',
+        'contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact',
+        'line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]',
+        'date' => 'string',
+        'due_date' => 'string',
+        'line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes',
+        'invoice_number' => 'string',
+        'reference' => 'string',
+        'branding_theme_id' => 'string',
+        'url' => 'string',
+        'currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode',
+        'currency_rate' => 'double',
+        'status' => 'string',
+        'sent_to_contact' => 'bool',
+        'expected_payment_date' => 'string',
+        'planned_payment_date' => 'string',
+        'cis_deduction' => 'double',
+        'cis_rate' => 'double',
+        'sub_total' => 'double',
+        'total_tax' => 'double',
+        'total' => 'double',
+        'total_discount' => 'double',
+        'invoice_id' => 'string',
+        'repeating_invoice_id' => 'string',
+        'has_attachments' => 'bool',
+        'is_discounted' => 'bool',
+        'payments' => '\XeroAPI\XeroPHP\Models\Accounting\Payment[]',
+        'prepayments' => '\XeroAPI\XeroPHP\Models\Accounting\Prepayment[]',
+        'overpayments' => '\XeroAPI\XeroPHP\Models\Accounting\Overpayment[]',
+        'amount_due' => 'double',
+        'amount_paid' => 'double',
+        'fully_paid_on_date' => 'string',
+        'amount_credited' => 'double',
+        'updated_date_utc' => 'string',
+        'credit_notes' => '\XeroAPI\XeroPHP\Models\Accounting\CreditNote[]',
+        'attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]',
+        'has_errors' => 'bool',
+        'status_attribute_string' => 'string',
+        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]',
+        'warnings' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
     ];
 
     /**
@@ -67,7 +106,46 @@ class Invoice implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'type' => null'contact' => null'line_items' => null'date' => null'due_date' => null'line_amount_types' => null'invoice_number' => null'reference' => null'branding_theme_id' => 'uuid''url' => null'currency_code' => null'currency_rate' => 'double''status' => null'sent_to_contact' => null'expected_payment_date' => null'planned_payment_date' => null'cis_deduction' => 'double''cis_rate' => 'double''sub_total' => 'double''total_tax' => 'double''total' => 'double''total_discount' => 'double''invoice_id' => 'uuid''repeating_invoice_id' => 'uuid''has_attachments' => null'is_discounted' => null'payments' => null'prepayments' => null'overpayments' => null'amount_due' => 'double''amount_paid' => 'double''fully_paid_on_date' => null'amount_credited' => 'double''updated_date_utc' => null'credit_notes' => null'attachments' => null'has_errors' => null'status_attribute_string' => null'validation_errors' => null'warnings' => null
+        'type' => null,
+        'contact' => null,
+        'line_items' => null,
+        'date' => null,
+        'due_date' => null,
+        'line_amount_types' => null,
+        'invoice_number' => null,
+        'reference' => null,
+        'branding_theme_id' => 'uuid',
+        'url' => null,
+        'currency_code' => null,
+        'currency_rate' => 'double',
+        'status' => null,
+        'sent_to_contact' => null,
+        'expected_payment_date' => null,
+        'planned_payment_date' => null,
+        'cis_deduction' => 'double',
+        'cis_rate' => 'double',
+        'sub_total' => 'double',
+        'total_tax' => 'double',
+        'total' => 'double',
+        'total_discount' => 'double',
+        'invoice_id' => 'uuid',
+        'repeating_invoice_id' => 'uuid',
+        'has_attachments' => null,
+        'is_discounted' => null,
+        'payments' => null,
+        'prepayments' => null,
+        'overpayments' => null,
+        'amount_due' => 'double',
+        'amount_paid' => 'double',
+        'fully_paid_on_date' => null,
+        'amount_credited' => 'double',
+        'updated_date_utc' => null,
+        'credit_notes' => null,
+        'attachments' => null,
+        'has_errors' => null,
+        'status_attribute_string' => null,
+        'validation_errors' => null,
+        'warnings' => null
     ];
 
     /**
@@ -97,7 +175,46 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'type' => 'Type''contact' => 'Contact''line_items' => 'LineItems''date' => 'Date''due_date' => 'DueDate''line_amount_types' => 'LineAmountTypes''invoice_number' => 'InvoiceNumber''reference' => 'Reference''branding_theme_id' => 'BrandingThemeID''url' => 'Url''currency_code' => 'CurrencyCode''currency_rate' => 'CurrencyRate''status' => 'Status''sent_to_contact' => 'SentToContact''expected_payment_date' => 'ExpectedPaymentDate''planned_payment_date' => 'PlannedPaymentDate''cis_deduction' => 'CISDeduction''cis_rate' => 'CISRate''sub_total' => 'SubTotal''total_tax' => 'TotalTax''total' => 'Total''total_discount' => 'TotalDiscount''invoice_id' => 'InvoiceID''repeating_invoice_id' => 'RepeatingInvoiceID''has_attachments' => 'HasAttachments''is_discounted' => 'IsDiscounted''payments' => 'Payments''prepayments' => 'Prepayments''overpayments' => 'Overpayments''amount_due' => 'AmountDue''amount_paid' => 'AmountPaid''fully_paid_on_date' => 'FullyPaidOnDate''amount_credited' => 'AmountCredited''updated_date_utc' => 'UpdatedDateUTC''credit_notes' => 'CreditNotes''attachments' => 'Attachments''has_errors' => 'HasErrors''status_attribute_string' => 'StatusAttributeString''validation_errors' => 'ValidationErrors''warnings' => 'Warnings'
+        'type' => 'Type',
+        'contact' => 'Contact',
+        'line_items' => 'LineItems',
+        'date' => 'Date',
+        'due_date' => 'DueDate',
+        'line_amount_types' => 'LineAmountTypes',
+        'invoice_number' => 'InvoiceNumber',
+        'reference' => 'Reference',
+        'branding_theme_id' => 'BrandingThemeID',
+        'url' => 'Url',
+        'currency_code' => 'CurrencyCode',
+        'currency_rate' => 'CurrencyRate',
+        'status' => 'Status',
+        'sent_to_contact' => 'SentToContact',
+        'expected_payment_date' => 'ExpectedPaymentDate',
+        'planned_payment_date' => 'PlannedPaymentDate',
+        'cis_deduction' => 'CISDeduction',
+        'cis_rate' => 'CISRate',
+        'sub_total' => 'SubTotal',
+        'total_tax' => 'TotalTax',
+        'total' => 'Total',
+        'total_discount' => 'TotalDiscount',
+        'invoice_id' => 'InvoiceID',
+        'repeating_invoice_id' => 'RepeatingInvoiceID',
+        'has_attachments' => 'HasAttachments',
+        'is_discounted' => 'IsDiscounted',
+        'payments' => 'Payments',
+        'prepayments' => 'Prepayments',
+        'overpayments' => 'Overpayments',
+        'amount_due' => 'AmountDue',
+        'amount_paid' => 'AmountPaid',
+        'fully_paid_on_date' => 'FullyPaidOnDate',
+        'amount_credited' => 'AmountCredited',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'credit_notes' => 'CreditNotes',
+        'attachments' => 'Attachments',
+        'has_errors' => 'HasErrors',
+        'status_attribute_string' => 'StatusAttributeString',
+        'validation_errors' => 'ValidationErrors',
+        'warnings' => 'Warnings'
     ];
 
     /**
@@ -106,7 +223,46 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'type' => 'setType''contact' => 'setContact''line_items' => 'setLineItems''date' => 'setDate''due_date' => 'setDueDate''line_amount_types' => 'setLineAmountTypes''invoice_number' => 'setInvoiceNumber''reference' => 'setReference''branding_theme_id' => 'setBrandingThemeId''url' => 'setUrl''currency_code' => 'setCurrencyCode''currency_rate' => 'setCurrencyRate''status' => 'setStatus''sent_to_contact' => 'setSentToContact''expected_payment_date' => 'setExpectedPaymentDate''planned_payment_date' => 'setPlannedPaymentDate''cis_deduction' => 'setCisDeduction''cis_rate' => 'setCisRate''sub_total' => 'setSubTotal''total_tax' => 'setTotalTax''total' => 'setTotal''total_discount' => 'setTotalDiscount''invoice_id' => 'setInvoiceId''repeating_invoice_id' => 'setRepeatingInvoiceId''has_attachments' => 'setHasAttachments''is_discounted' => 'setIsDiscounted''payments' => 'setPayments''prepayments' => 'setPrepayments''overpayments' => 'setOverpayments''amount_due' => 'setAmountDue''amount_paid' => 'setAmountPaid''fully_paid_on_date' => 'setFullyPaidOnDate''amount_credited' => 'setAmountCredited''updated_date_utc' => 'setUpdatedDateUtc''credit_notes' => 'setCreditNotes''attachments' => 'setAttachments''has_errors' => 'setHasErrors''status_attribute_string' => 'setStatusAttributeString''validation_errors' => 'setValidationErrors''warnings' => 'setWarnings'
+        'type' => 'setType',
+        'contact' => 'setContact',
+        'line_items' => 'setLineItems',
+        'date' => 'setDate',
+        'due_date' => 'setDueDate',
+        'line_amount_types' => 'setLineAmountTypes',
+        'invoice_number' => 'setInvoiceNumber',
+        'reference' => 'setReference',
+        'branding_theme_id' => 'setBrandingThemeId',
+        'url' => 'setUrl',
+        'currency_code' => 'setCurrencyCode',
+        'currency_rate' => 'setCurrencyRate',
+        'status' => 'setStatus',
+        'sent_to_contact' => 'setSentToContact',
+        'expected_payment_date' => 'setExpectedPaymentDate',
+        'planned_payment_date' => 'setPlannedPaymentDate',
+        'cis_deduction' => 'setCisDeduction',
+        'cis_rate' => 'setCisRate',
+        'sub_total' => 'setSubTotal',
+        'total_tax' => 'setTotalTax',
+        'total' => 'setTotal',
+        'total_discount' => 'setTotalDiscount',
+        'invoice_id' => 'setInvoiceId',
+        'repeating_invoice_id' => 'setRepeatingInvoiceId',
+        'has_attachments' => 'setHasAttachments',
+        'is_discounted' => 'setIsDiscounted',
+        'payments' => 'setPayments',
+        'prepayments' => 'setPrepayments',
+        'overpayments' => 'setOverpayments',
+        'amount_due' => 'setAmountDue',
+        'amount_paid' => 'setAmountPaid',
+        'fully_paid_on_date' => 'setFullyPaidOnDate',
+        'amount_credited' => 'setAmountCredited',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'credit_notes' => 'setCreditNotes',
+        'attachments' => 'setAttachments',
+        'has_errors' => 'setHasErrors',
+        'status_attribute_string' => 'setStatusAttributeString',
+        'validation_errors' => 'setValidationErrors',
+        'warnings' => 'setWarnings'
     ];
 
     /**
@@ -115,7 +271,46 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'type' => 'getType''contact' => 'getContact''line_items' => 'getLineItems''date' => 'getDate''due_date' => 'getDueDate''line_amount_types' => 'getLineAmountTypes''invoice_number' => 'getInvoiceNumber''reference' => 'getReference''branding_theme_id' => 'getBrandingThemeId''url' => 'getUrl''currency_code' => 'getCurrencyCode''currency_rate' => 'getCurrencyRate''status' => 'getStatus''sent_to_contact' => 'getSentToContact''expected_payment_date' => 'getExpectedPaymentDate''planned_payment_date' => 'getPlannedPaymentDate''cis_deduction' => 'getCisDeduction''cis_rate' => 'getCisRate''sub_total' => 'getSubTotal''total_tax' => 'getTotalTax''total' => 'getTotal''total_discount' => 'getTotalDiscount''invoice_id' => 'getInvoiceId''repeating_invoice_id' => 'getRepeatingInvoiceId''has_attachments' => 'getHasAttachments''is_discounted' => 'getIsDiscounted''payments' => 'getPayments''prepayments' => 'getPrepayments''overpayments' => 'getOverpayments''amount_due' => 'getAmountDue''amount_paid' => 'getAmountPaid''fully_paid_on_date' => 'getFullyPaidOnDate''amount_credited' => 'getAmountCredited''updated_date_utc' => 'getUpdatedDateUtc''credit_notes' => 'getCreditNotes''attachments' => 'getAttachments''has_errors' => 'getHasErrors''status_attribute_string' => 'getStatusAttributeString''validation_errors' => 'getValidationErrors''warnings' => 'getWarnings'
+        'type' => 'getType',
+        'contact' => 'getContact',
+        'line_items' => 'getLineItems',
+        'date' => 'getDate',
+        'due_date' => 'getDueDate',
+        'line_amount_types' => 'getLineAmountTypes',
+        'invoice_number' => 'getInvoiceNumber',
+        'reference' => 'getReference',
+        'branding_theme_id' => 'getBrandingThemeId',
+        'url' => 'getUrl',
+        'currency_code' => 'getCurrencyCode',
+        'currency_rate' => 'getCurrencyRate',
+        'status' => 'getStatus',
+        'sent_to_contact' => 'getSentToContact',
+        'expected_payment_date' => 'getExpectedPaymentDate',
+        'planned_payment_date' => 'getPlannedPaymentDate',
+        'cis_deduction' => 'getCisDeduction',
+        'cis_rate' => 'getCisRate',
+        'sub_total' => 'getSubTotal',
+        'total_tax' => 'getTotalTax',
+        'total' => 'getTotal',
+        'total_discount' => 'getTotalDiscount',
+        'invoice_id' => 'getInvoiceId',
+        'repeating_invoice_id' => 'getRepeatingInvoiceId',
+        'has_attachments' => 'getHasAttachments',
+        'is_discounted' => 'getIsDiscounted',
+        'payments' => 'getPayments',
+        'prepayments' => 'getPrepayments',
+        'overpayments' => 'getOverpayments',
+        'amount_due' => 'getAmountDue',
+        'amount_paid' => 'getAmountPaid',
+        'fully_paid_on_date' => 'getFullyPaidOnDate',
+        'amount_credited' => 'getAmountCredited',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'credit_notes' => 'getCreditNotes',
+        'attachments' => 'getAttachments',
+        'has_errors' => 'getHasErrors',
+        'status_attribute_string' => 'getStatusAttributeString',
+        'validation_errors' => 'getValidationErrors',
+        'warnings' => 'getWarnings'
     ];
 
     /**
diff --git a/lib/Models/Accounting/InvoiceReminder.php b/lib/Models/Accounting/InvoiceReminder.php
index e0441605..414146af 100644
--- a/lib/Models/Accounting/InvoiceReminder.php
+++ b/lib/Models/Accounting/InvoiceReminder.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/InvoiceReminders.php b/lib/Models/Accounting/InvoiceReminders.php
index baa5a362..1a63c613 100644
--- a/lib/Models/Accounting/InvoiceReminders.php
+++ b/lib/Models/Accounting/InvoiceReminders.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/Invoices.php b/lib/Models/Accounting/Invoices.php
index 48702aed..c0cf94f2 100644
--- a/lib/Models/Accounting/Invoices.php
+++ b/lib/Models/Accounting/Invoices.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/Item.php b/lib/Models/Accounting/Item.php
index 8dfea1f1..54b4798d 100644
--- a/lib/Models/Accounting/Item.php
+++ b/lib/Models/Accounting/Item.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,22 @@ class Item implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'code' => 'string''inventory_asset_account_code' => 'string''name' => 'string''is_sold' => 'bool''is_purchased' => 'bool''description' => 'string''purchase_description' => 'string''purchase_details' => '\XeroAPI\XeroPHP\Models\Accounting\Purchase''sales_details' => '\XeroAPI\XeroPHP\Models\Accounting\Purchase''is_tracked_as_inventory' => 'bool''total_cost_pool' => 'double''quantity_on_hand' => 'double''updated_date_utc' => 'string''item_id' => 'string''status_attribute_string' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
+        'code' => 'string',
+        'inventory_asset_account_code' => 'string',
+        'name' => 'string',
+        'is_sold' => 'bool',
+        'is_purchased' => 'bool',
+        'description' => 'string',
+        'purchase_description' => 'string',
+        'purchase_details' => '\XeroAPI\XeroPHP\Models\Accounting\Purchase',
+        'sales_details' => '\XeroAPI\XeroPHP\Models\Accounting\Purchase',
+        'is_tracked_as_inventory' => 'bool',
+        'total_cost_pool' => 'double',
+        'quantity_on_hand' => 'double',
+        'updated_date_utc' => 'string',
+        'item_id' => 'string',
+        'status_attribute_string' => 'string',
+        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
     ];
 
     /**
@@ -67,7 +82,22 @@ class Item implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'code' => null'inventory_asset_account_code' => null'name' => null'is_sold' => null'is_purchased' => null'description' => null'purchase_description' => null'purchase_details' => null'sales_details' => null'is_tracked_as_inventory' => null'total_cost_pool' => 'double''quantity_on_hand' => 'double''updated_date_utc' => null'item_id' => 'uuid''status_attribute_string' => null'validation_errors' => null
+        'code' => null,
+        'inventory_asset_account_code' => null,
+        'name' => null,
+        'is_sold' => null,
+        'is_purchased' => null,
+        'description' => null,
+        'purchase_description' => null,
+        'purchase_details' => null,
+        'sales_details' => null,
+        'is_tracked_as_inventory' => null,
+        'total_cost_pool' => 'double',
+        'quantity_on_hand' => 'double',
+        'updated_date_utc' => null,
+        'item_id' => 'uuid',
+        'status_attribute_string' => null,
+        'validation_errors' => null
     ];
 
     /**
@@ -97,7 +127,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'code' => 'Code''inventory_asset_account_code' => 'InventoryAssetAccountCode''name' => 'Name''is_sold' => 'IsSold''is_purchased' => 'IsPurchased''description' => 'Description''purchase_description' => 'PurchaseDescription''purchase_details' => 'PurchaseDetails''sales_details' => 'SalesDetails''is_tracked_as_inventory' => 'IsTrackedAsInventory''total_cost_pool' => 'TotalCostPool''quantity_on_hand' => 'QuantityOnHand''updated_date_utc' => 'UpdatedDateUTC''item_id' => 'ItemID''status_attribute_string' => 'StatusAttributeString''validation_errors' => 'ValidationErrors'
+        'code' => 'Code',
+        'inventory_asset_account_code' => 'InventoryAssetAccountCode',
+        'name' => 'Name',
+        'is_sold' => 'IsSold',
+        'is_purchased' => 'IsPurchased',
+        'description' => 'Description',
+        'purchase_description' => 'PurchaseDescription',
+        'purchase_details' => 'PurchaseDetails',
+        'sales_details' => 'SalesDetails',
+        'is_tracked_as_inventory' => 'IsTrackedAsInventory',
+        'total_cost_pool' => 'TotalCostPool',
+        'quantity_on_hand' => 'QuantityOnHand',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'item_id' => 'ItemID',
+        'status_attribute_string' => 'StatusAttributeString',
+        'validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -106,7 +151,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'code' => 'setCode''inventory_asset_account_code' => 'setInventoryAssetAccountCode''name' => 'setName''is_sold' => 'setIsSold''is_purchased' => 'setIsPurchased''description' => 'setDescription''purchase_description' => 'setPurchaseDescription''purchase_details' => 'setPurchaseDetails''sales_details' => 'setSalesDetails''is_tracked_as_inventory' => 'setIsTrackedAsInventory''total_cost_pool' => 'setTotalCostPool''quantity_on_hand' => 'setQuantityOnHand''updated_date_utc' => 'setUpdatedDateUtc''item_id' => 'setItemId''status_attribute_string' => 'setStatusAttributeString''validation_errors' => 'setValidationErrors'
+        'code' => 'setCode',
+        'inventory_asset_account_code' => 'setInventoryAssetAccountCode',
+        'name' => 'setName',
+        'is_sold' => 'setIsSold',
+        'is_purchased' => 'setIsPurchased',
+        'description' => 'setDescription',
+        'purchase_description' => 'setPurchaseDescription',
+        'purchase_details' => 'setPurchaseDetails',
+        'sales_details' => 'setSalesDetails',
+        'is_tracked_as_inventory' => 'setIsTrackedAsInventory',
+        'total_cost_pool' => 'setTotalCostPool',
+        'quantity_on_hand' => 'setQuantityOnHand',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'item_id' => 'setItemId',
+        'status_attribute_string' => 'setStatusAttributeString',
+        'validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -115,7 +175,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'code' => 'getCode''inventory_asset_account_code' => 'getInventoryAssetAccountCode''name' => 'getName''is_sold' => 'getIsSold''is_purchased' => 'getIsPurchased''description' => 'getDescription''purchase_description' => 'getPurchaseDescription''purchase_details' => 'getPurchaseDetails''sales_details' => 'getSalesDetails''is_tracked_as_inventory' => 'getIsTrackedAsInventory''total_cost_pool' => 'getTotalCostPool''quantity_on_hand' => 'getQuantityOnHand''updated_date_utc' => 'getUpdatedDateUtc''item_id' => 'getItemId''status_attribute_string' => 'getStatusAttributeString''validation_errors' => 'getValidationErrors'
+        'code' => 'getCode',
+        'inventory_asset_account_code' => 'getInventoryAssetAccountCode',
+        'name' => 'getName',
+        'is_sold' => 'getIsSold',
+        'is_purchased' => 'getIsPurchased',
+        'description' => 'getDescription',
+        'purchase_description' => 'getPurchaseDescription',
+        'purchase_details' => 'getPurchaseDetails',
+        'sales_details' => 'getSalesDetails',
+        'is_tracked_as_inventory' => 'getIsTrackedAsInventory',
+        'total_cost_pool' => 'getTotalCostPool',
+        'quantity_on_hand' => 'getQuantityOnHand',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'item_id' => 'getItemId',
+        'status_attribute_string' => 'getStatusAttributeString',
+        'validation_errors' => 'getValidationErrors'
     ];
 
     /**
diff --git a/lib/Models/Accounting/Items.php b/lib/Models/Accounting/Items.php
index e8cf97ef..2c5afed6 100644
--- a/lib/Models/Accounting/Items.php
+++ b/lib/Models/Accounting/Items.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/Journal.php b/lib/Models/Accounting/Journal.php
index 88f24b04..2622cfa3 100644
--- a/lib/Models/Accounting/Journal.php
+++ b/lib/Models/Accounting/Journal.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,14 @@ class Journal implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'journal_id' => 'string''journal_date' => 'string''journal_number' => 'int''created_date_utc' => 'string''reference' => 'string''source_id' => 'string''source_type' => 'string''journal_lines' => '\XeroAPI\XeroPHP\Models\Accounting\JournalLine[]'
+        'journal_id' => 'string',
+        'journal_date' => 'string',
+        'journal_number' => 'int',
+        'created_date_utc' => 'string',
+        'reference' => 'string',
+        'source_id' => 'string',
+        'source_type' => 'string',
+        'journal_lines' => '\XeroAPI\XeroPHP\Models\Accounting\JournalLine[]'
     ];
 
     /**
@@ -67,7 +74,14 @@ class Journal implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'journal_id' => 'uuid''journal_date' => null'journal_number' => null'created_date_utc' => null'reference' => null'source_id' => 'uuid''source_type' => null'journal_lines' => null
+        'journal_id' => 'uuid',
+        'journal_date' => null,
+        'journal_number' => null,
+        'created_date_utc' => null,
+        'reference' => null,
+        'source_id' => 'uuid',
+        'source_type' => null,
+        'journal_lines' => null
     ];
 
     /**
@@ -97,7 +111,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'journal_id' => 'JournalID''journal_date' => 'JournalDate''journal_number' => 'JournalNumber''created_date_utc' => 'CreatedDateUTC''reference' => 'Reference''source_id' => 'SourceID''source_type' => 'SourceType''journal_lines' => 'JournalLines'
+        'journal_id' => 'JournalID',
+        'journal_date' => 'JournalDate',
+        'journal_number' => 'JournalNumber',
+        'created_date_utc' => 'CreatedDateUTC',
+        'reference' => 'Reference',
+        'source_id' => 'SourceID',
+        'source_type' => 'SourceType',
+        'journal_lines' => 'JournalLines'
     ];
 
     /**
@@ -106,7 +127,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'journal_id' => 'setJournalId''journal_date' => 'setJournalDate''journal_number' => 'setJournalNumber''created_date_utc' => 'setCreatedDateUtc''reference' => 'setReference''source_id' => 'setSourceId''source_type' => 'setSourceType''journal_lines' => 'setJournalLines'
+        'journal_id' => 'setJournalId',
+        'journal_date' => 'setJournalDate',
+        'journal_number' => 'setJournalNumber',
+        'created_date_utc' => 'setCreatedDateUtc',
+        'reference' => 'setReference',
+        'source_id' => 'setSourceId',
+        'source_type' => 'setSourceType',
+        'journal_lines' => 'setJournalLines'
     ];
 
     /**
@@ -115,7 +143,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'journal_id' => 'getJournalId''journal_date' => 'getJournalDate''journal_number' => 'getJournalNumber''created_date_utc' => 'getCreatedDateUtc''reference' => 'getReference''source_id' => 'getSourceId''source_type' => 'getSourceType''journal_lines' => 'getJournalLines'
+        'journal_id' => 'getJournalId',
+        'journal_date' => 'getJournalDate',
+        'journal_number' => 'getJournalNumber',
+        'created_date_utc' => 'getCreatedDateUtc',
+        'reference' => 'getReference',
+        'source_id' => 'getSourceId',
+        'source_type' => 'getSourceType',
+        'journal_lines' => 'getJournalLines'
     ];
 
     /**
diff --git a/lib/Models/Accounting/JournalLine.php b/lib/Models/Accounting/JournalLine.php
index 280d64d8..f726e438 100644
--- a/lib/Models/Accounting/JournalLine.php
+++ b/lib/Models/Accounting/JournalLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,18 @@ class JournalLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'journal_line_id' => 'string''account_id' => 'string''account_code' => 'string''account_type' => '\XeroAPI\XeroPHP\Models\Accounting\AccountType''account_name' => 'string''description' => 'string''net_amount' => 'double''gross_amount' => 'double''tax_amount' => 'double''tax_type' => 'string''tax_name' => 'string''tracking_categories' => '\XeroAPI\XeroPHP\Models\Accounting\TrackingCategory[]'
+        'journal_line_id' => 'string',
+        'account_id' => 'string',
+        'account_code' => 'string',
+        'account_type' => '\XeroAPI\XeroPHP\Models\Accounting\AccountType',
+        'account_name' => 'string',
+        'description' => 'string',
+        'net_amount' => 'double',
+        'gross_amount' => 'double',
+        'tax_amount' => 'double',
+        'tax_type' => 'string',
+        'tax_name' => 'string',
+        'tracking_categories' => '\XeroAPI\XeroPHP\Models\Accounting\TrackingCategory[]'
     ];
 
     /**
@@ -67,7 +78,18 @@ class JournalLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'journal_line_id' => 'uuid''account_id' => 'uuid''account_code' => null'account_type' => null'account_name' => null'description' => null'net_amount' => 'double''gross_amount' => 'double''tax_amount' => 'double''tax_type' => null'tax_name' => null'tracking_categories' => null
+        'journal_line_id' => 'uuid',
+        'account_id' => 'uuid',
+        'account_code' => null,
+        'account_type' => null,
+        'account_name' => null,
+        'description' => null,
+        'net_amount' => 'double',
+        'gross_amount' => 'double',
+        'tax_amount' => 'double',
+        'tax_type' => null,
+        'tax_name' => null,
+        'tracking_categories' => null
     ];
 
     /**
@@ -97,7 +119,18 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'journal_line_id' => 'JournalLineID''account_id' => 'AccountID''account_code' => 'AccountCode''account_type' => 'AccountType''account_name' => 'AccountName''description' => 'Description''net_amount' => 'NetAmount''gross_amount' => 'GrossAmount''tax_amount' => 'TaxAmount''tax_type' => 'TaxType''tax_name' => 'TaxName''tracking_categories' => 'TrackingCategories'
+        'journal_line_id' => 'JournalLineID',
+        'account_id' => 'AccountID',
+        'account_code' => 'AccountCode',
+        'account_type' => 'AccountType',
+        'account_name' => 'AccountName',
+        'description' => 'Description',
+        'net_amount' => 'NetAmount',
+        'gross_amount' => 'GrossAmount',
+        'tax_amount' => 'TaxAmount',
+        'tax_type' => 'TaxType',
+        'tax_name' => 'TaxName',
+        'tracking_categories' => 'TrackingCategories'
     ];
 
     /**
@@ -106,7 +139,18 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'journal_line_id' => 'setJournalLineId''account_id' => 'setAccountId''account_code' => 'setAccountCode''account_type' => 'setAccountType''account_name' => 'setAccountName''description' => 'setDescription''net_amount' => 'setNetAmount''gross_amount' => 'setGrossAmount''tax_amount' => 'setTaxAmount''tax_type' => 'setTaxType''tax_name' => 'setTaxName''tracking_categories' => 'setTrackingCategories'
+        'journal_line_id' => 'setJournalLineId',
+        'account_id' => 'setAccountId',
+        'account_code' => 'setAccountCode',
+        'account_type' => 'setAccountType',
+        'account_name' => 'setAccountName',
+        'description' => 'setDescription',
+        'net_amount' => 'setNetAmount',
+        'gross_amount' => 'setGrossAmount',
+        'tax_amount' => 'setTaxAmount',
+        'tax_type' => 'setTaxType',
+        'tax_name' => 'setTaxName',
+        'tracking_categories' => 'setTrackingCategories'
     ];
 
     /**
@@ -115,7 +159,18 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'journal_line_id' => 'getJournalLineId''account_id' => 'getAccountId''account_code' => 'getAccountCode''account_type' => 'getAccountType''account_name' => 'getAccountName''description' => 'getDescription''net_amount' => 'getNetAmount''gross_amount' => 'getGrossAmount''tax_amount' => 'getTaxAmount''tax_type' => 'getTaxType''tax_name' => 'getTaxName''tracking_categories' => 'getTrackingCategories'
+        'journal_line_id' => 'getJournalLineId',
+        'account_id' => 'getAccountId',
+        'account_code' => 'getAccountCode',
+        'account_type' => 'getAccountType',
+        'account_name' => 'getAccountName',
+        'description' => 'getDescription',
+        'net_amount' => 'getNetAmount',
+        'gross_amount' => 'getGrossAmount',
+        'tax_amount' => 'getTaxAmount',
+        'tax_type' => 'getTaxType',
+        'tax_name' => 'getTaxName',
+        'tracking_categories' => 'getTrackingCategories'
     ];
 
     /**
diff --git a/lib/Models/Accounting/Journals.php b/lib/Models/Accounting/Journals.php
index 92e47a56..856c6bc8 100644
--- a/lib/Models/Accounting/Journals.php
+++ b/lib/Models/Accounting/Journals.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/LineAmountTypes.php b/lib/Models/Accounting/LineAmountTypes.php
index 6cabc67c..63a3f2fe 100644
--- a/lib/Models/Accounting/LineAmountTypes.php
+++ b/lib/Models/Accounting/LineAmountTypes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/LineItem.php b/lib/Models/Accounting/LineItem.php
index ebc57e08..2d6bf02c 100644
--- a/lib/Models/Accounting/LineItem.php
+++ b/lib/Models/Accounting/LineItem.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,21 @@ class LineItem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'line_item_id' => 'string''description' => 'string''quantity' => 'double''unit_amount' => 'double''item_code' => 'string''account_code' => 'string''account_id' => 'string''tax_type' => 'string''tax_amount' => 'double''item' => '\XeroAPI\XeroPHP\Models\Accounting\LineItemItem''line_amount' => 'double''tracking' => '\XeroAPI\XeroPHP\Models\Accounting\LineItemTracking[]''discount_rate' => 'double''discount_amount' => 'double''repeating_invoice_id' => 'string'
+        'line_item_id' => 'string',
+        'description' => 'string',
+        'quantity' => 'double',
+        'unit_amount' => 'double',
+        'item_code' => 'string',
+        'account_code' => 'string',
+        'account_id' => 'string',
+        'tax_type' => 'string',
+        'tax_amount' => 'double',
+        'item' => '\XeroAPI\XeroPHP\Models\Accounting\LineItemItem',
+        'line_amount' => 'double',
+        'tracking' => '\XeroAPI\XeroPHP\Models\Accounting\LineItemTracking[]',
+        'discount_rate' => 'double',
+        'discount_amount' => 'double',
+        'repeating_invoice_id' => 'string'
     ];
 
     /**
@@ -67,7 +81,21 @@ class LineItem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'line_item_id' => 'uuid''description' => null'quantity' => 'double''unit_amount' => 'double''item_code' => null'account_code' => null'account_id' => 'uuid''tax_type' => null'tax_amount' => 'double''item' => null'line_amount' => 'double''tracking' => null'discount_rate' => 'double''discount_amount' => 'double''repeating_invoice_id' => 'uuid'
+        'line_item_id' => 'uuid',
+        'description' => null,
+        'quantity' => 'double',
+        'unit_amount' => 'double',
+        'item_code' => null,
+        'account_code' => null,
+        'account_id' => 'uuid',
+        'tax_type' => null,
+        'tax_amount' => 'double',
+        'item' => null,
+        'line_amount' => 'double',
+        'tracking' => null,
+        'discount_rate' => 'double',
+        'discount_amount' => 'double',
+        'repeating_invoice_id' => 'uuid'
     ];
 
     /**
@@ -97,7 +125,21 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'line_item_id' => 'LineItemID''description' => 'Description''quantity' => 'Quantity''unit_amount' => 'UnitAmount''item_code' => 'ItemCode''account_code' => 'AccountCode''account_id' => 'AccountID''tax_type' => 'TaxType''tax_amount' => 'TaxAmount''item' => 'Item''line_amount' => 'LineAmount''tracking' => 'Tracking''discount_rate' => 'DiscountRate''discount_amount' => 'DiscountAmount''repeating_invoice_id' => 'RepeatingInvoiceID'
+        'line_item_id' => 'LineItemID',
+        'description' => 'Description',
+        'quantity' => 'Quantity',
+        'unit_amount' => 'UnitAmount',
+        'item_code' => 'ItemCode',
+        'account_code' => 'AccountCode',
+        'account_id' => 'AccountID',
+        'tax_type' => 'TaxType',
+        'tax_amount' => 'TaxAmount',
+        'item' => 'Item',
+        'line_amount' => 'LineAmount',
+        'tracking' => 'Tracking',
+        'discount_rate' => 'DiscountRate',
+        'discount_amount' => 'DiscountAmount',
+        'repeating_invoice_id' => 'RepeatingInvoiceID'
     ];
 
     /**
@@ -106,7 +148,21 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'line_item_id' => 'setLineItemId''description' => 'setDescription''quantity' => 'setQuantity''unit_amount' => 'setUnitAmount''item_code' => 'setItemCode''account_code' => 'setAccountCode''account_id' => 'setAccountId''tax_type' => 'setTaxType''tax_amount' => 'setTaxAmount''item' => 'setItem''line_amount' => 'setLineAmount''tracking' => 'setTracking''discount_rate' => 'setDiscountRate''discount_amount' => 'setDiscountAmount''repeating_invoice_id' => 'setRepeatingInvoiceId'
+        'line_item_id' => 'setLineItemId',
+        'description' => 'setDescription',
+        'quantity' => 'setQuantity',
+        'unit_amount' => 'setUnitAmount',
+        'item_code' => 'setItemCode',
+        'account_code' => 'setAccountCode',
+        'account_id' => 'setAccountId',
+        'tax_type' => 'setTaxType',
+        'tax_amount' => 'setTaxAmount',
+        'item' => 'setItem',
+        'line_amount' => 'setLineAmount',
+        'tracking' => 'setTracking',
+        'discount_rate' => 'setDiscountRate',
+        'discount_amount' => 'setDiscountAmount',
+        'repeating_invoice_id' => 'setRepeatingInvoiceId'
     ];
 
     /**
@@ -115,7 +171,21 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'line_item_id' => 'getLineItemId''description' => 'getDescription''quantity' => 'getQuantity''unit_amount' => 'getUnitAmount''item_code' => 'getItemCode''account_code' => 'getAccountCode''account_id' => 'getAccountId''tax_type' => 'getTaxType''tax_amount' => 'getTaxAmount''item' => 'getItem''line_amount' => 'getLineAmount''tracking' => 'getTracking''discount_rate' => 'getDiscountRate''discount_amount' => 'getDiscountAmount''repeating_invoice_id' => 'getRepeatingInvoiceId'
+        'line_item_id' => 'getLineItemId',
+        'description' => 'getDescription',
+        'quantity' => 'getQuantity',
+        'unit_amount' => 'getUnitAmount',
+        'item_code' => 'getItemCode',
+        'account_code' => 'getAccountCode',
+        'account_id' => 'getAccountId',
+        'tax_type' => 'getTaxType',
+        'tax_amount' => 'getTaxAmount',
+        'item' => 'getItem',
+        'line_amount' => 'getLineAmount',
+        'tracking' => 'getTracking',
+        'discount_rate' => 'getDiscountRate',
+        'discount_amount' => 'getDiscountAmount',
+        'repeating_invoice_id' => 'getRepeatingInvoiceId'
     ];
 
     /**
diff --git a/lib/Models/Accounting/LineItemItem.php b/lib/Models/Accounting/LineItemItem.php
index 17455b0d..5d803f0a 100644
--- a/lib/Models/Accounting/LineItemItem.php
+++ b/lib/Models/Accounting/LineItemItem.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class LineItemItem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'code' => 'string''name' => 'string''item_id' => 'string'
+        'code' => 'string',
+        'name' => 'string',
+        'item_id' => 'string'
     ];
 
     /**
@@ -67,7 +69,9 @@ class LineItemItem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'code' => null'name' => null'item_id' => 'uuid'
+        'code' => null,
+        'name' => null,
+        'item_id' => 'uuid'
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'code' => 'Code''name' => 'Name''item_id' => 'ItemID'
+        'code' => 'Code',
+        'name' => 'Name',
+        'item_id' => 'ItemID'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'code' => 'setCode''name' => 'setName''item_id' => 'setItemId'
+        'code' => 'setCode',
+        'name' => 'setName',
+        'item_id' => 'setItemId'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'code' => 'getCode''name' => 'getName''item_id' => 'getItemId'
+        'code' => 'getCode',
+        'name' => 'getName',
+        'item_id' => 'getItemId'
     ];
 
     /**
diff --git a/lib/Models/Accounting/LineItemTracking.php b/lib/Models/Accounting/LineItemTracking.php
index 3469ce01..a6687862 100644
--- a/lib/Models/Accounting/LineItemTracking.php
+++ b/lib/Models/Accounting/LineItemTracking.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class LineItemTracking implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'tracking_category_id' => 'string''tracking_option_id' => 'string''name' => 'string''option' => 'string'
+        'tracking_category_id' => 'string',
+        'tracking_option_id' => 'string',
+        'name' => 'string',
+        'option' => 'string'
     ];
 
     /**
@@ -67,7 +70,10 @@ class LineItemTracking implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'tracking_category_id' => 'uuid''tracking_option_id' => 'uuid''name' => null'option' => null
+        'tracking_category_id' => 'uuid',
+        'tracking_option_id' => 'uuid',
+        'name' => null,
+        'option' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'tracking_category_id' => 'TrackingCategoryID''tracking_option_id' => 'TrackingOptionID''name' => 'Name''option' => 'Option'
+        'tracking_category_id' => 'TrackingCategoryID',
+        'tracking_option_id' => 'TrackingOptionID',
+        'name' => 'Name',
+        'option' => 'Option'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'tracking_category_id' => 'setTrackingCategoryId''tracking_option_id' => 'setTrackingOptionId''name' => 'setName''option' => 'setOption'
+        'tracking_category_id' => 'setTrackingCategoryId',
+        'tracking_option_id' => 'setTrackingOptionId',
+        'name' => 'setName',
+        'option' => 'setOption'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'tracking_category_id' => 'getTrackingCategoryId''tracking_option_id' => 'getTrackingOptionId''name' => 'getName''option' => 'getOption'
+        'tracking_category_id' => 'getTrackingCategoryId',
+        'tracking_option_id' => 'getTrackingOptionId',
+        'name' => 'getName',
+        'option' => 'getOption'
     ];
 
     /**
diff --git a/lib/Models/Accounting/LinkedTransaction.php b/lib/Models/Accounting/LinkedTransaction.php
index 4d131e60..a168d693 100644
--- a/lib/Models/Accounting/LinkedTransaction.php
+++ b/lib/Models/Accounting/LinkedTransaction.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,17 @@ class LinkedTransaction implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'source_transaction_id' => 'string''source_line_item_id' => 'string''contact_id' => 'string''target_transaction_id' => 'string''target_line_item_id' => 'string''linked_transaction_id' => 'string''status' => 'string''type' => 'string''updated_date_utc' => 'string''source_transaction_type_code' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
+        'source_transaction_id' => 'string',
+        'source_line_item_id' => 'string',
+        'contact_id' => 'string',
+        'target_transaction_id' => 'string',
+        'target_line_item_id' => 'string',
+        'linked_transaction_id' => 'string',
+        'status' => 'string',
+        'type' => 'string',
+        'updated_date_utc' => 'string',
+        'source_transaction_type_code' => 'string',
+        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
     ];
 
     /**
@@ -67,7 +77,17 @@ class LinkedTransaction implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'source_transaction_id' => 'uuid''source_line_item_id' => 'uuid''contact_id' => 'uuid''target_transaction_id' => 'uuid''target_line_item_id' => 'uuid''linked_transaction_id' => 'uuid''status' => null'type' => null'updated_date_utc' => null'source_transaction_type_code' => null'validation_errors' => null
+        'source_transaction_id' => 'uuid',
+        'source_line_item_id' => 'uuid',
+        'contact_id' => 'uuid',
+        'target_transaction_id' => 'uuid',
+        'target_line_item_id' => 'uuid',
+        'linked_transaction_id' => 'uuid',
+        'status' => null,
+        'type' => null,
+        'updated_date_utc' => null,
+        'source_transaction_type_code' => null,
+        'validation_errors' => null
     ];
 
     /**
@@ -97,7 +117,17 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'source_transaction_id' => 'SourceTransactionID''source_line_item_id' => 'SourceLineItemID''contact_id' => 'ContactID''target_transaction_id' => 'TargetTransactionID''target_line_item_id' => 'TargetLineItemID''linked_transaction_id' => 'LinkedTransactionID''status' => 'Status''type' => 'Type''updated_date_utc' => 'UpdatedDateUTC''source_transaction_type_code' => 'SourceTransactionTypeCode''validation_errors' => 'ValidationErrors'
+        'source_transaction_id' => 'SourceTransactionID',
+        'source_line_item_id' => 'SourceLineItemID',
+        'contact_id' => 'ContactID',
+        'target_transaction_id' => 'TargetTransactionID',
+        'target_line_item_id' => 'TargetLineItemID',
+        'linked_transaction_id' => 'LinkedTransactionID',
+        'status' => 'Status',
+        'type' => 'Type',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'source_transaction_type_code' => 'SourceTransactionTypeCode',
+        'validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -106,7 +136,17 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'source_transaction_id' => 'setSourceTransactionId''source_line_item_id' => 'setSourceLineItemId''contact_id' => 'setContactId''target_transaction_id' => 'setTargetTransactionId''target_line_item_id' => 'setTargetLineItemId''linked_transaction_id' => 'setLinkedTransactionId''status' => 'setStatus''type' => 'setType''updated_date_utc' => 'setUpdatedDateUtc''source_transaction_type_code' => 'setSourceTransactionTypeCode''validation_errors' => 'setValidationErrors'
+        'source_transaction_id' => 'setSourceTransactionId',
+        'source_line_item_id' => 'setSourceLineItemId',
+        'contact_id' => 'setContactId',
+        'target_transaction_id' => 'setTargetTransactionId',
+        'target_line_item_id' => 'setTargetLineItemId',
+        'linked_transaction_id' => 'setLinkedTransactionId',
+        'status' => 'setStatus',
+        'type' => 'setType',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'source_transaction_type_code' => 'setSourceTransactionTypeCode',
+        'validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -115,7 +155,17 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'source_transaction_id' => 'getSourceTransactionId''source_line_item_id' => 'getSourceLineItemId''contact_id' => 'getContactId''target_transaction_id' => 'getTargetTransactionId''target_line_item_id' => 'getTargetLineItemId''linked_transaction_id' => 'getLinkedTransactionId''status' => 'getStatus''type' => 'getType''updated_date_utc' => 'getUpdatedDateUtc''source_transaction_type_code' => 'getSourceTransactionTypeCode''validation_errors' => 'getValidationErrors'
+        'source_transaction_id' => 'getSourceTransactionId',
+        'source_line_item_id' => 'getSourceLineItemId',
+        'contact_id' => 'getContactId',
+        'target_transaction_id' => 'getTargetTransactionId',
+        'target_line_item_id' => 'getTargetLineItemId',
+        'linked_transaction_id' => 'getLinkedTransactionId',
+        'status' => 'getStatus',
+        'type' => 'getType',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'source_transaction_type_code' => 'getSourceTransactionTypeCode',
+        'validation_errors' => 'getValidationErrors'
     ];
 
     /**
diff --git a/lib/Models/Accounting/LinkedTransactions.php b/lib/Models/Accounting/LinkedTransactions.php
index cde516ae..1a8204bf 100644
--- a/lib/Models/Accounting/LinkedTransactions.php
+++ b/lib/Models/Accounting/LinkedTransactions.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/ManualJournal.php b/lib/Models/Accounting/ManualJournal.php
index 00ecb8d6..7744aac3 100644
--- a/lib/Models/Accounting/ManualJournal.php
+++ b/lib/Models/Accounting/ManualJournal.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,20 @@ class ManualJournal implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'narration' => 'string''journal_lines' => '\XeroAPI\XeroPHP\Models\Accounting\ManualJournalLine[]''date' => 'string''line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes''status' => 'string''url' => 'string''show_on_cash_basis_reports' => 'bool''has_attachments' => 'bool''updated_date_utc' => 'string''manual_journal_id' => 'string''status_attribute_string' => 'string''warnings' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]''attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]'
+        'narration' => 'string',
+        'journal_lines' => '\XeroAPI\XeroPHP\Models\Accounting\ManualJournalLine[]',
+        'date' => 'string',
+        'line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes',
+        'status' => 'string',
+        'url' => 'string',
+        'show_on_cash_basis_reports' => 'bool',
+        'has_attachments' => 'bool',
+        'updated_date_utc' => 'string',
+        'manual_journal_id' => 'string',
+        'status_attribute_string' => 'string',
+        'warnings' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]',
+        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]',
+        'attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]'
     ];
 
     /**
@@ -67,7 +80,20 @@ class ManualJournal implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'narration' => null'journal_lines' => null'date' => null'line_amount_types' => null'status' => null'url' => null'show_on_cash_basis_reports' => null'has_attachments' => null'updated_date_utc' => null'manual_journal_id' => 'uuid''status_attribute_string' => null'warnings' => null'validation_errors' => null'attachments' => null
+        'narration' => null,
+        'journal_lines' => null,
+        'date' => null,
+        'line_amount_types' => null,
+        'status' => null,
+        'url' => null,
+        'show_on_cash_basis_reports' => null,
+        'has_attachments' => null,
+        'updated_date_utc' => null,
+        'manual_journal_id' => 'uuid',
+        'status_attribute_string' => null,
+        'warnings' => null,
+        'validation_errors' => null,
+        'attachments' => null
     ];
 
     /**
@@ -97,7 +123,20 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'narration' => 'Narration''journal_lines' => 'JournalLines''date' => 'Date''line_amount_types' => 'LineAmountTypes''status' => 'Status''url' => 'Url''show_on_cash_basis_reports' => 'ShowOnCashBasisReports''has_attachments' => 'HasAttachments''updated_date_utc' => 'UpdatedDateUTC''manual_journal_id' => 'ManualJournalID''status_attribute_string' => 'StatusAttributeString''warnings' => 'Warnings''validation_errors' => 'ValidationErrors''attachments' => 'Attachments'
+        'narration' => 'Narration',
+        'journal_lines' => 'JournalLines',
+        'date' => 'Date',
+        'line_amount_types' => 'LineAmountTypes',
+        'status' => 'Status',
+        'url' => 'Url',
+        'show_on_cash_basis_reports' => 'ShowOnCashBasisReports',
+        'has_attachments' => 'HasAttachments',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'manual_journal_id' => 'ManualJournalID',
+        'status_attribute_string' => 'StatusAttributeString',
+        'warnings' => 'Warnings',
+        'validation_errors' => 'ValidationErrors',
+        'attachments' => 'Attachments'
     ];
 
     /**
@@ -106,7 +145,20 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'narration' => 'setNarration''journal_lines' => 'setJournalLines''date' => 'setDate''line_amount_types' => 'setLineAmountTypes''status' => 'setStatus''url' => 'setUrl''show_on_cash_basis_reports' => 'setShowOnCashBasisReports''has_attachments' => 'setHasAttachments''updated_date_utc' => 'setUpdatedDateUtc''manual_journal_id' => 'setManualJournalId''status_attribute_string' => 'setStatusAttributeString''warnings' => 'setWarnings''validation_errors' => 'setValidationErrors''attachments' => 'setAttachments'
+        'narration' => 'setNarration',
+        'journal_lines' => 'setJournalLines',
+        'date' => 'setDate',
+        'line_amount_types' => 'setLineAmountTypes',
+        'status' => 'setStatus',
+        'url' => 'setUrl',
+        'show_on_cash_basis_reports' => 'setShowOnCashBasisReports',
+        'has_attachments' => 'setHasAttachments',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'manual_journal_id' => 'setManualJournalId',
+        'status_attribute_string' => 'setStatusAttributeString',
+        'warnings' => 'setWarnings',
+        'validation_errors' => 'setValidationErrors',
+        'attachments' => 'setAttachments'
     ];
 
     /**
@@ -115,7 +167,20 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'narration' => 'getNarration''journal_lines' => 'getJournalLines''date' => 'getDate''line_amount_types' => 'getLineAmountTypes''status' => 'getStatus''url' => 'getUrl''show_on_cash_basis_reports' => 'getShowOnCashBasisReports''has_attachments' => 'getHasAttachments''updated_date_utc' => 'getUpdatedDateUtc''manual_journal_id' => 'getManualJournalId''status_attribute_string' => 'getStatusAttributeString''warnings' => 'getWarnings''validation_errors' => 'getValidationErrors''attachments' => 'getAttachments'
+        'narration' => 'getNarration',
+        'journal_lines' => 'getJournalLines',
+        'date' => 'getDate',
+        'line_amount_types' => 'getLineAmountTypes',
+        'status' => 'getStatus',
+        'url' => 'getUrl',
+        'show_on_cash_basis_reports' => 'getShowOnCashBasisReports',
+        'has_attachments' => 'getHasAttachments',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'manual_journal_id' => 'getManualJournalId',
+        'status_attribute_string' => 'getStatusAttributeString',
+        'warnings' => 'getWarnings',
+        'validation_errors' => 'getValidationErrors',
+        'attachments' => 'getAttachments'
     ];
 
     /**
diff --git a/lib/Models/Accounting/ManualJournalLine.php b/lib/Models/Accounting/ManualJournalLine.php
index 574ea2eb..9b92c910 100644
--- a/lib/Models/Accounting/ManualJournalLine.php
+++ b/lib/Models/Accounting/ManualJournalLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,14 @@ class ManualJournalLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'line_amount' => 'double''account_code' => 'string''account_id' => 'string''description' => 'string''tax_type' => 'string''tracking' => '\XeroAPI\XeroPHP\Models\Accounting\TrackingCategory[]''tax_amount' => 'double''is_blank' => 'bool'
+        'line_amount' => 'double',
+        'account_code' => 'string',
+        'account_id' => 'string',
+        'description' => 'string',
+        'tax_type' => 'string',
+        'tracking' => '\XeroAPI\XeroPHP\Models\Accounting\TrackingCategory[]',
+        'tax_amount' => 'double',
+        'is_blank' => 'bool'
     ];
 
     /**
@@ -67,7 +74,14 @@ class ManualJournalLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'line_amount' => 'double''account_code' => null'account_id' => 'uuid''description' => null'tax_type' => null'tracking' => null'tax_amount' => 'double''is_blank' => null
+        'line_amount' => 'double',
+        'account_code' => null,
+        'account_id' => 'uuid',
+        'description' => null,
+        'tax_type' => null,
+        'tracking' => null,
+        'tax_amount' => 'double',
+        'is_blank' => null
     ];
 
     /**
@@ -97,7 +111,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'line_amount' => 'LineAmount''account_code' => 'AccountCode''account_id' => 'AccountID''description' => 'Description''tax_type' => 'TaxType''tracking' => 'Tracking''tax_amount' => 'TaxAmount''is_blank' => 'IsBlank'
+        'line_amount' => 'LineAmount',
+        'account_code' => 'AccountCode',
+        'account_id' => 'AccountID',
+        'description' => 'Description',
+        'tax_type' => 'TaxType',
+        'tracking' => 'Tracking',
+        'tax_amount' => 'TaxAmount',
+        'is_blank' => 'IsBlank'
     ];
 
     /**
@@ -106,7 +127,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'line_amount' => 'setLineAmount''account_code' => 'setAccountCode''account_id' => 'setAccountId''description' => 'setDescription''tax_type' => 'setTaxType''tracking' => 'setTracking''tax_amount' => 'setTaxAmount''is_blank' => 'setIsBlank'
+        'line_amount' => 'setLineAmount',
+        'account_code' => 'setAccountCode',
+        'account_id' => 'setAccountId',
+        'description' => 'setDescription',
+        'tax_type' => 'setTaxType',
+        'tracking' => 'setTracking',
+        'tax_amount' => 'setTaxAmount',
+        'is_blank' => 'setIsBlank'
     ];
 
     /**
@@ -115,7 +143,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'line_amount' => 'getLineAmount''account_code' => 'getAccountCode''account_id' => 'getAccountId''description' => 'getDescription''tax_type' => 'getTaxType''tracking' => 'getTracking''tax_amount' => 'getTaxAmount''is_blank' => 'getIsBlank'
+        'line_amount' => 'getLineAmount',
+        'account_code' => 'getAccountCode',
+        'account_id' => 'getAccountId',
+        'description' => 'getDescription',
+        'tax_type' => 'getTaxType',
+        'tracking' => 'getTracking',
+        'tax_amount' => 'getTaxAmount',
+        'is_blank' => 'getIsBlank'
     ];
 
     /**
diff --git a/lib/Models/Accounting/ManualJournals.php b/lib/Models/Accounting/ManualJournals.php
index e5957ec7..38c0bced 100644
--- a/lib/Models/Accounting/ManualJournals.php
+++ b/lib/Models/Accounting/ManualJournals.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/ModelInterface.php b/lib/Models/Accounting/ModelInterface.php
index 873fcae6..cc832174 100644
--- a/lib/Models/Accounting/ModelInterface.php
+++ b/lib/Models/Accounting/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/OnlineInvoice.php b/lib/Models/Accounting/OnlineInvoice.php
index 63ff227e..d357f68e 100644
--- a/lib/Models/Accounting/OnlineInvoice.php
+++ b/lib/Models/Accounting/OnlineInvoice.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/OnlineInvoices.php b/lib/Models/Accounting/OnlineInvoices.php
index 23ea2740..43607005 100644
--- a/lib/Models/Accounting/OnlineInvoices.php
+++ b/lib/Models/Accounting/OnlineInvoices.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/Organisation.php b/lib/Models/Accounting/Organisation.php
index 08b4e610..692116eb 100644
--- a/lib/Models/Accounting/Organisation.php
+++ b/lib/Models/Accounting/Organisation.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,39 @@ class Organisation implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'organisation_id' => 'string''api_key' => 'string''name' => 'string''legal_name' => 'string''pays_tax' => 'bool''version' => 'string''organisation_type' => 'string''base_currency' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode''country_code' => '\XeroAPI\XeroPHP\Models\Accounting\CountryCode''is_demo_company' => 'bool''organisation_status' => 'string''registration_number' => 'string''employer_identification_number' => 'string''tax_number' => 'string''financial_year_end_day' => 'int''financial_year_end_month' => 'int''sales_tax_basis' => 'string''sales_tax_period' => 'string''default_sales_tax' => 'string''default_purchases_tax' => 'string''period_lock_date' => 'string''end_of_year_lock_date' => 'string''created_date_utc' => 'string''timezone' => '\XeroAPI\XeroPHP\Models\Accounting\TimeZone''organisation_entity_type' => 'string''short_code' => 'string''class' => 'string''edition' => 'string''line_of_business' => 'string''addresses' => '\XeroAPI\XeroPHP\Models\Accounting\AddressForOrganisation[]''phones' => '\XeroAPI\XeroPHP\Models\Accounting\Phone[]''external_links' => '\XeroAPI\XeroPHP\Models\Accounting\ExternalLink[]''payment_terms' => '\XeroAPI\XeroPHP\Models\Accounting\PaymentTerm'
+        'organisation_id' => 'string',
+        'api_key' => 'string',
+        'name' => 'string',
+        'legal_name' => 'string',
+        'pays_tax' => 'bool',
+        'version' => 'string',
+        'organisation_type' => 'string',
+        'base_currency' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode',
+        'country_code' => '\XeroAPI\XeroPHP\Models\Accounting\CountryCode',
+        'is_demo_company' => 'bool',
+        'organisation_status' => 'string',
+        'registration_number' => 'string',
+        'employer_identification_number' => 'string',
+        'tax_number' => 'string',
+        'financial_year_end_day' => 'int',
+        'financial_year_end_month' => 'int',
+        'sales_tax_basis' => 'string',
+        'sales_tax_period' => 'string',
+        'default_sales_tax' => 'string',
+        'default_purchases_tax' => 'string',
+        'period_lock_date' => 'string',
+        'end_of_year_lock_date' => 'string',
+        'created_date_utc' => 'string',
+        'timezone' => '\XeroAPI\XeroPHP\Models\Accounting\TimeZone',
+        'organisation_entity_type' => 'string',
+        'short_code' => 'string',
+        'class' => 'string',
+        'edition' => 'string',
+        'line_of_business' => 'string',
+        'addresses' => '\XeroAPI\XeroPHP\Models\Accounting\AddressForOrganisation[]',
+        'phones' => '\XeroAPI\XeroPHP\Models\Accounting\Phone[]',
+        'external_links' => '\XeroAPI\XeroPHP\Models\Accounting\ExternalLink[]',
+        'payment_terms' => '\XeroAPI\XeroPHP\Models\Accounting\PaymentTerm'
     ];
 
     /**
@@ -67,7 +99,39 @@ class Organisation implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'organisation_id' => 'uuid''api_key' => null'name' => null'legal_name' => null'pays_tax' => null'version' => null'organisation_type' => null'base_currency' => null'country_code' => null'is_demo_company' => null'organisation_status' => null'registration_number' => null'employer_identification_number' => null'tax_number' => null'financial_year_end_day' => null'financial_year_end_month' => null'sales_tax_basis' => null'sales_tax_period' => null'default_sales_tax' => null'default_purchases_tax' => null'period_lock_date' => null'end_of_year_lock_date' => null'created_date_utc' => null'timezone' => null'organisation_entity_type' => null'short_code' => null'class' => null'edition' => null'line_of_business' => null'addresses' => null'phones' => null'external_links' => null'payment_terms' => null
+        'organisation_id' => 'uuid',
+        'api_key' => null,
+        'name' => null,
+        'legal_name' => null,
+        'pays_tax' => null,
+        'version' => null,
+        'organisation_type' => null,
+        'base_currency' => null,
+        'country_code' => null,
+        'is_demo_company' => null,
+        'organisation_status' => null,
+        'registration_number' => null,
+        'employer_identification_number' => null,
+        'tax_number' => null,
+        'financial_year_end_day' => null,
+        'financial_year_end_month' => null,
+        'sales_tax_basis' => null,
+        'sales_tax_period' => null,
+        'default_sales_tax' => null,
+        'default_purchases_tax' => null,
+        'period_lock_date' => null,
+        'end_of_year_lock_date' => null,
+        'created_date_utc' => null,
+        'timezone' => null,
+        'organisation_entity_type' => null,
+        'short_code' => null,
+        'class' => null,
+        'edition' => null,
+        'line_of_business' => null,
+        'addresses' => null,
+        'phones' => null,
+        'external_links' => null,
+        'payment_terms' => null
     ];
 
     /**
@@ -97,7 +161,39 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'organisation_id' => 'OrganisationID''api_key' => 'APIKey''name' => 'Name''legal_name' => 'LegalName''pays_tax' => 'PaysTax''version' => 'Version''organisation_type' => 'OrganisationType''base_currency' => 'BaseCurrency''country_code' => 'CountryCode''is_demo_company' => 'IsDemoCompany''organisation_status' => 'OrganisationStatus''registration_number' => 'RegistrationNumber''employer_identification_number' => 'EmployerIdentificationNumber''tax_number' => 'TaxNumber''financial_year_end_day' => 'FinancialYearEndDay''financial_year_end_month' => 'FinancialYearEndMonth''sales_tax_basis' => 'SalesTaxBasis''sales_tax_period' => 'SalesTaxPeriod''default_sales_tax' => 'DefaultSalesTax''default_purchases_tax' => 'DefaultPurchasesTax''period_lock_date' => 'PeriodLockDate''end_of_year_lock_date' => 'EndOfYearLockDate''created_date_utc' => 'CreatedDateUTC''timezone' => 'Timezone''organisation_entity_type' => 'OrganisationEntityType''short_code' => 'ShortCode''class' => 'Class''edition' => 'Edition''line_of_business' => 'LineOfBusiness''addresses' => 'Addresses''phones' => 'Phones''external_links' => 'ExternalLinks''payment_terms' => 'PaymentTerms'
+        'organisation_id' => 'OrganisationID',
+        'api_key' => 'APIKey',
+        'name' => 'Name',
+        'legal_name' => 'LegalName',
+        'pays_tax' => 'PaysTax',
+        'version' => 'Version',
+        'organisation_type' => 'OrganisationType',
+        'base_currency' => 'BaseCurrency',
+        'country_code' => 'CountryCode',
+        'is_demo_company' => 'IsDemoCompany',
+        'organisation_status' => 'OrganisationStatus',
+        'registration_number' => 'RegistrationNumber',
+        'employer_identification_number' => 'EmployerIdentificationNumber',
+        'tax_number' => 'TaxNumber',
+        'financial_year_end_day' => 'FinancialYearEndDay',
+        'financial_year_end_month' => 'FinancialYearEndMonth',
+        'sales_tax_basis' => 'SalesTaxBasis',
+        'sales_tax_period' => 'SalesTaxPeriod',
+        'default_sales_tax' => 'DefaultSalesTax',
+        'default_purchases_tax' => 'DefaultPurchasesTax',
+        'period_lock_date' => 'PeriodLockDate',
+        'end_of_year_lock_date' => 'EndOfYearLockDate',
+        'created_date_utc' => 'CreatedDateUTC',
+        'timezone' => 'Timezone',
+        'organisation_entity_type' => 'OrganisationEntityType',
+        'short_code' => 'ShortCode',
+        'class' => 'Class',
+        'edition' => 'Edition',
+        'line_of_business' => 'LineOfBusiness',
+        'addresses' => 'Addresses',
+        'phones' => 'Phones',
+        'external_links' => 'ExternalLinks',
+        'payment_terms' => 'PaymentTerms'
     ];
 
     /**
@@ -106,7 +202,39 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'organisation_id' => 'setOrganisationId''api_key' => 'setApiKey''name' => 'setName''legal_name' => 'setLegalName''pays_tax' => 'setPaysTax''version' => 'setVersion''organisation_type' => 'setOrganisationType''base_currency' => 'setBaseCurrency''country_code' => 'setCountryCode''is_demo_company' => 'setIsDemoCompany''organisation_status' => 'setOrganisationStatus''registration_number' => 'setRegistrationNumber''employer_identification_number' => 'setEmployerIdentificationNumber''tax_number' => 'setTaxNumber''financial_year_end_day' => 'setFinancialYearEndDay''financial_year_end_month' => 'setFinancialYearEndMonth''sales_tax_basis' => 'setSalesTaxBasis''sales_tax_period' => 'setSalesTaxPeriod''default_sales_tax' => 'setDefaultSalesTax''default_purchases_tax' => 'setDefaultPurchasesTax''period_lock_date' => 'setPeriodLockDate''end_of_year_lock_date' => 'setEndOfYearLockDate''created_date_utc' => 'setCreatedDateUtc''timezone' => 'setTimezone''organisation_entity_type' => 'setOrganisationEntityType''short_code' => 'setShortCode''class' => 'setClass''edition' => 'setEdition''line_of_business' => 'setLineOfBusiness''addresses' => 'setAddresses''phones' => 'setPhones''external_links' => 'setExternalLinks''payment_terms' => 'setPaymentTerms'
+        'organisation_id' => 'setOrganisationId',
+        'api_key' => 'setApiKey',
+        'name' => 'setName',
+        'legal_name' => 'setLegalName',
+        'pays_tax' => 'setPaysTax',
+        'version' => 'setVersion',
+        'organisation_type' => 'setOrganisationType',
+        'base_currency' => 'setBaseCurrency',
+        'country_code' => 'setCountryCode',
+        'is_demo_company' => 'setIsDemoCompany',
+        'organisation_status' => 'setOrganisationStatus',
+        'registration_number' => 'setRegistrationNumber',
+        'employer_identification_number' => 'setEmployerIdentificationNumber',
+        'tax_number' => 'setTaxNumber',
+        'financial_year_end_day' => 'setFinancialYearEndDay',
+        'financial_year_end_month' => 'setFinancialYearEndMonth',
+        'sales_tax_basis' => 'setSalesTaxBasis',
+        'sales_tax_period' => 'setSalesTaxPeriod',
+        'default_sales_tax' => 'setDefaultSalesTax',
+        'default_purchases_tax' => 'setDefaultPurchasesTax',
+        'period_lock_date' => 'setPeriodLockDate',
+        'end_of_year_lock_date' => 'setEndOfYearLockDate',
+        'created_date_utc' => 'setCreatedDateUtc',
+        'timezone' => 'setTimezone',
+        'organisation_entity_type' => 'setOrganisationEntityType',
+        'short_code' => 'setShortCode',
+        'class' => 'setClass',
+        'edition' => 'setEdition',
+        'line_of_business' => 'setLineOfBusiness',
+        'addresses' => 'setAddresses',
+        'phones' => 'setPhones',
+        'external_links' => 'setExternalLinks',
+        'payment_terms' => 'setPaymentTerms'
     ];
 
     /**
@@ -115,7 +243,39 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'organisation_id' => 'getOrganisationId''api_key' => 'getApiKey''name' => 'getName''legal_name' => 'getLegalName''pays_tax' => 'getPaysTax''version' => 'getVersion''organisation_type' => 'getOrganisationType''base_currency' => 'getBaseCurrency''country_code' => 'getCountryCode''is_demo_company' => 'getIsDemoCompany''organisation_status' => 'getOrganisationStatus''registration_number' => 'getRegistrationNumber''employer_identification_number' => 'getEmployerIdentificationNumber''tax_number' => 'getTaxNumber''financial_year_end_day' => 'getFinancialYearEndDay''financial_year_end_month' => 'getFinancialYearEndMonth''sales_tax_basis' => 'getSalesTaxBasis''sales_tax_period' => 'getSalesTaxPeriod''default_sales_tax' => 'getDefaultSalesTax''default_purchases_tax' => 'getDefaultPurchasesTax''period_lock_date' => 'getPeriodLockDate''end_of_year_lock_date' => 'getEndOfYearLockDate''created_date_utc' => 'getCreatedDateUtc''timezone' => 'getTimezone''organisation_entity_type' => 'getOrganisationEntityType''short_code' => 'getShortCode''class' => 'getClass''edition' => 'getEdition''line_of_business' => 'getLineOfBusiness''addresses' => 'getAddresses''phones' => 'getPhones''external_links' => 'getExternalLinks''payment_terms' => 'getPaymentTerms'
+        'organisation_id' => 'getOrganisationId',
+        'api_key' => 'getApiKey',
+        'name' => 'getName',
+        'legal_name' => 'getLegalName',
+        'pays_tax' => 'getPaysTax',
+        'version' => 'getVersion',
+        'organisation_type' => 'getOrganisationType',
+        'base_currency' => 'getBaseCurrency',
+        'country_code' => 'getCountryCode',
+        'is_demo_company' => 'getIsDemoCompany',
+        'organisation_status' => 'getOrganisationStatus',
+        'registration_number' => 'getRegistrationNumber',
+        'employer_identification_number' => 'getEmployerIdentificationNumber',
+        'tax_number' => 'getTaxNumber',
+        'financial_year_end_day' => 'getFinancialYearEndDay',
+        'financial_year_end_month' => 'getFinancialYearEndMonth',
+        'sales_tax_basis' => 'getSalesTaxBasis',
+        'sales_tax_period' => 'getSalesTaxPeriod',
+        'default_sales_tax' => 'getDefaultSalesTax',
+        'default_purchases_tax' => 'getDefaultPurchasesTax',
+        'period_lock_date' => 'getPeriodLockDate',
+        'end_of_year_lock_date' => 'getEndOfYearLockDate',
+        'created_date_utc' => 'getCreatedDateUtc',
+        'timezone' => 'getTimezone',
+        'organisation_entity_type' => 'getOrganisationEntityType',
+        'short_code' => 'getShortCode',
+        'class' => 'getClass',
+        'edition' => 'getEdition',
+        'line_of_business' => 'getLineOfBusiness',
+        'addresses' => 'getAddresses',
+        'phones' => 'getPhones',
+        'external_links' => 'getExternalLinks',
+        'payment_terms' => 'getPaymentTerms'
     ];
 
     /**
diff --git a/lib/Models/Accounting/Organisations.php b/lib/Models/Accounting/Organisations.php
index 5e94b73b..ca2c7047 100644
--- a/lib/Models/Accounting/Organisations.php
+++ b/lib/Models/Accounting/Organisations.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/Overpayment.php b/lib/Models/Accounting/Overpayment.php
index 6327db29..3414f17b 100644
--- a/lib/Models/Accounting/Overpayment.php
+++ b/lib/Models/Accounting/Overpayment.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,25 @@ class Overpayment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'type' => 'string''contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact''date' => 'string''status' => 'string''line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes''line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]''sub_total' => 'double''total_tax' => 'double''total' => 'double''updated_date_utc' => 'string''currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode''overpayment_id' => 'string''currency_rate' => 'double''remaining_credit' => 'double''allocations' => '\XeroAPI\XeroPHP\Models\Accounting\Allocation[]''applied_amount' => 'double''payments' => '\XeroAPI\XeroPHP\Models\Accounting\Payment[]''has_attachments' => 'bool''attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]'
+        'type' => 'string',
+        'contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact',
+        'date' => 'string',
+        'status' => 'string',
+        'line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes',
+        'line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]',
+        'sub_total' => 'double',
+        'total_tax' => 'double',
+        'total' => 'double',
+        'updated_date_utc' => 'string',
+        'currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode',
+        'overpayment_id' => 'string',
+        'currency_rate' => 'double',
+        'remaining_credit' => 'double',
+        'allocations' => '\XeroAPI\XeroPHP\Models\Accounting\Allocation[]',
+        'applied_amount' => 'double',
+        'payments' => '\XeroAPI\XeroPHP\Models\Accounting\Payment[]',
+        'has_attachments' => 'bool',
+        'attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]'
     ];
 
     /**
@@ -67,7 +85,25 @@ class Overpayment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'type' => null'contact' => null'date' => null'status' => null'line_amount_types' => null'line_items' => null'sub_total' => 'double''total_tax' => 'double''total' => 'double''updated_date_utc' => null'currency_code' => null'overpayment_id' => 'uuid''currency_rate' => 'double''remaining_credit' => 'double''allocations' => null'applied_amount' => 'double''payments' => null'has_attachments' => null'attachments' => null
+        'type' => null,
+        'contact' => null,
+        'date' => null,
+        'status' => null,
+        'line_amount_types' => null,
+        'line_items' => null,
+        'sub_total' => 'double',
+        'total_tax' => 'double',
+        'total' => 'double',
+        'updated_date_utc' => null,
+        'currency_code' => null,
+        'overpayment_id' => 'uuid',
+        'currency_rate' => 'double',
+        'remaining_credit' => 'double',
+        'allocations' => null,
+        'applied_amount' => 'double',
+        'payments' => null,
+        'has_attachments' => null,
+        'attachments' => null
     ];
 
     /**
@@ -97,7 +133,25 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'type' => 'Type''contact' => 'Contact''date' => 'Date''status' => 'Status''line_amount_types' => 'LineAmountTypes''line_items' => 'LineItems''sub_total' => 'SubTotal''total_tax' => 'TotalTax''total' => 'Total''updated_date_utc' => 'UpdatedDateUTC''currency_code' => 'CurrencyCode''overpayment_id' => 'OverpaymentID''currency_rate' => 'CurrencyRate''remaining_credit' => 'RemainingCredit''allocations' => 'Allocations''applied_amount' => 'AppliedAmount''payments' => 'Payments''has_attachments' => 'HasAttachments''attachments' => 'Attachments'
+        'type' => 'Type',
+        'contact' => 'Contact',
+        'date' => 'Date',
+        'status' => 'Status',
+        'line_amount_types' => 'LineAmountTypes',
+        'line_items' => 'LineItems',
+        'sub_total' => 'SubTotal',
+        'total_tax' => 'TotalTax',
+        'total' => 'Total',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'currency_code' => 'CurrencyCode',
+        'overpayment_id' => 'OverpaymentID',
+        'currency_rate' => 'CurrencyRate',
+        'remaining_credit' => 'RemainingCredit',
+        'allocations' => 'Allocations',
+        'applied_amount' => 'AppliedAmount',
+        'payments' => 'Payments',
+        'has_attachments' => 'HasAttachments',
+        'attachments' => 'Attachments'
     ];
 
     /**
@@ -106,7 +160,25 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'type' => 'setType''contact' => 'setContact''date' => 'setDate''status' => 'setStatus''line_amount_types' => 'setLineAmountTypes''line_items' => 'setLineItems''sub_total' => 'setSubTotal''total_tax' => 'setTotalTax''total' => 'setTotal''updated_date_utc' => 'setUpdatedDateUtc''currency_code' => 'setCurrencyCode''overpayment_id' => 'setOverpaymentId''currency_rate' => 'setCurrencyRate''remaining_credit' => 'setRemainingCredit''allocations' => 'setAllocations''applied_amount' => 'setAppliedAmount''payments' => 'setPayments''has_attachments' => 'setHasAttachments''attachments' => 'setAttachments'
+        'type' => 'setType',
+        'contact' => 'setContact',
+        'date' => 'setDate',
+        'status' => 'setStatus',
+        'line_amount_types' => 'setLineAmountTypes',
+        'line_items' => 'setLineItems',
+        'sub_total' => 'setSubTotal',
+        'total_tax' => 'setTotalTax',
+        'total' => 'setTotal',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'currency_code' => 'setCurrencyCode',
+        'overpayment_id' => 'setOverpaymentId',
+        'currency_rate' => 'setCurrencyRate',
+        'remaining_credit' => 'setRemainingCredit',
+        'allocations' => 'setAllocations',
+        'applied_amount' => 'setAppliedAmount',
+        'payments' => 'setPayments',
+        'has_attachments' => 'setHasAttachments',
+        'attachments' => 'setAttachments'
     ];
 
     /**
@@ -115,7 +187,25 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'type' => 'getType''contact' => 'getContact''date' => 'getDate''status' => 'getStatus''line_amount_types' => 'getLineAmountTypes''line_items' => 'getLineItems''sub_total' => 'getSubTotal''total_tax' => 'getTotalTax''total' => 'getTotal''updated_date_utc' => 'getUpdatedDateUtc''currency_code' => 'getCurrencyCode''overpayment_id' => 'getOverpaymentId''currency_rate' => 'getCurrencyRate''remaining_credit' => 'getRemainingCredit''allocations' => 'getAllocations''applied_amount' => 'getAppliedAmount''payments' => 'getPayments''has_attachments' => 'getHasAttachments''attachments' => 'getAttachments'
+        'type' => 'getType',
+        'contact' => 'getContact',
+        'date' => 'getDate',
+        'status' => 'getStatus',
+        'line_amount_types' => 'getLineAmountTypes',
+        'line_items' => 'getLineItems',
+        'sub_total' => 'getSubTotal',
+        'total_tax' => 'getTotalTax',
+        'total' => 'getTotal',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'currency_code' => 'getCurrencyCode',
+        'overpayment_id' => 'getOverpaymentId',
+        'currency_rate' => 'getCurrencyRate',
+        'remaining_credit' => 'getRemainingCredit',
+        'allocations' => 'getAllocations',
+        'applied_amount' => 'getAppliedAmount',
+        'payments' => 'getPayments',
+        'has_attachments' => 'getHasAttachments',
+        'attachments' => 'getAttachments'
     ];
 
     /**
diff --git a/lib/Models/Accounting/Overpayments.php b/lib/Models/Accounting/Overpayments.php
index ecd74275..3b37bcd7 100644
--- a/lib/Models/Accounting/Overpayments.php
+++ b/lib/Models/Accounting/Overpayments.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/Payment.php b/lib/Models/Accounting/Payment.php
index 0192ab6d..ed9b5221 100644
--- a/lib/Models/Accounting/Payment.php
+++ b/lib/Models/Accounting/Payment.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,32 @@ class Payment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'invoice' => '\XeroAPI\XeroPHP\Models\Accounting\Invoice''credit_note' => '\XeroAPI\XeroPHP\Models\Accounting\CreditNote''prepayment' => '\XeroAPI\XeroPHP\Models\Accounting\Prepayment''overpayment' => '\XeroAPI\XeroPHP\Models\Accounting\Overpayment''invoice_number' => 'string''credit_note_number' => 'string''account' => '\XeroAPI\XeroPHP\Models\Accounting\Account''code' => 'string''date' => 'string''currency_rate' => 'double''amount' => 'double''bank_amount' => 'double''reference' => 'string''is_reconciled' => 'bool''status' => 'string''payment_type' => 'string''updated_date_utc' => 'string''payment_id' => 'string''batch_payment_id' => 'string''bank_account_number' => 'string''particulars' => 'string''details' => 'string''has_account' => 'bool''has_validation_errors' => 'bool''status_attribute_string' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
+        'invoice' => '\XeroAPI\XeroPHP\Models\Accounting\Invoice',
+        'credit_note' => '\XeroAPI\XeroPHP\Models\Accounting\CreditNote',
+        'prepayment' => '\XeroAPI\XeroPHP\Models\Accounting\Prepayment',
+        'overpayment' => '\XeroAPI\XeroPHP\Models\Accounting\Overpayment',
+        'invoice_number' => 'string',
+        'credit_note_number' => 'string',
+        'account' => '\XeroAPI\XeroPHP\Models\Accounting\Account',
+        'code' => 'string',
+        'date' => 'string',
+        'currency_rate' => 'double',
+        'amount' => 'double',
+        'bank_amount' => 'double',
+        'reference' => 'string',
+        'is_reconciled' => 'bool',
+        'status' => 'string',
+        'payment_type' => 'string',
+        'updated_date_utc' => 'string',
+        'payment_id' => 'string',
+        'batch_payment_id' => 'string',
+        'bank_account_number' => 'string',
+        'particulars' => 'string',
+        'details' => 'string',
+        'has_account' => 'bool',
+        'has_validation_errors' => 'bool',
+        'status_attribute_string' => 'string',
+        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
     ];
 
     /**
@@ -67,7 +92,32 @@ class Payment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'invoice' => null'credit_note' => null'prepayment' => null'overpayment' => null'invoice_number' => null'credit_note_number' => null'account' => null'code' => null'date' => null'currency_rate' => 'double''amount' => 'double''bank_amount' => 'double''reference' => null'is_reconciled' => null'status' => null'payment_type' => null'updated_date_utc' => null'payment_id' => 'uuid''batch_payment_id' => 'uuid''bank_account_number' => null'particulars' => null'details' => null'has_account' => null'has_validation_errors' => null'status_attribute_string' => null'validation_errors' => null
+        'invoice' => null,
+        'credit_note' => null,
+        'prepayment' => null,
+        'overpayment' => null,
+        'invoice_number' => null,
+        'credit_note_number' => null,
+        'account' => null,
+        'code' => null,
+        'date' => null,
+        'currency_rate' => 'double',
+        'amount' => 'double',
+        'bank_amount' => 'double',
+        'reference' => null,
+        'is_reconciled' => null,
+        'status' => null,
+        'payment_type' => null,
+        'updated_date_utc' => null,
+        'payment_id' => 'uuid',
+        'batch_payment_id' => 'uuid',
+        'bank_account_number' => null,
+        'particulars' => null,
+        'details' => null,
+        'has_account' => null,
+        'has_validation_errors' => null,
+        'status_attribute_string' => null,
+        'validation_errors' => null
     ];
 
     /**
@@ -97,7 +147,32 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'invoice' => 'Invoice''credit_note' => 'CreditNote''prepayment' => 'Prepayment''overpayment' => 'Overpayment''invoice_number' => 'InvoiceNumber''credit_note_number' => 'CreditNoteNumber''account' => 'Account''code' => 'Code''date' => 'Date''currency_rate' => 'CurrencyRate''amount' => 'Amount''bank_amount' => 'BankAmount''reference' => 'Reference''is_reconciled' => 'IsReconciled''status' => 'Status''payment_type' => 'PaymentType''updated_date_utc' => 'UpdatedDateUTC''payment_id' => 'PaymentID''batch_payment_id' => 'BatchPaymentID''bank_account_number' => 'BankAccountNumber''particulars' => 'Particulars''details' => 'Details''has_account' => 'HasAccount''has_validation_errors' => 'HasValidationErrors''status_attribute_string' => 'StatusAttributeString''validation_errors' => 'ValidationErrors'
+        'invoice' => 'Invoice',
+        'credit_note' => 'CreditNote',
+        'prepayment' => 'Prepayment',
+        'overpayment' => 'Overpayment',
+        'invoice_number' => 'InvoiceNumber',
+        'credit_note_number' => 'CreditNoteNumber',
+        'account' => 'Account',
+        'code' => 'Code',
+        'date' => 'Date',
+        'currency_rate' => 'CurrencyRate',
+        'amount' => 'Amount',
+        'bank_amount' => 'BankAmount',
+        'reference' => 'Reference',
+        'is_reconciled' => 'IsReconciled',
+        'status' => 'Status',
+        'payment_type' => 'PaymentType',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'payment_id' => 'PaymentID',
+        'batch_payment_id' => 'BatchPaymentID',
+        'bank_account_number' => 'BankAccountNumber',
+        'particulars' => 'Particulars',
+        'details' => 'Details',
+        'has_account' => 'HasAccount',
+        'has_validation_errors' => 'HasValidationErrors',
+        'status_attribute_string' => 'StatusAttributeString',
+        'validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -106,7 +181,32 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'invoice' => 'setInvoice''credit_note' => 'setCreditNote''prepayment' => 'setPrepayment''overpayment' => 'setOverpayment''invoice_number' => 'setInvoiceNumber''credit_note_number' => 'setCreditNoteNumber''account' => 'setAccount''code' => 'setCode''date' => 'setDate''currency_rate' => 'setCurrencyRate''amount' => 'setAmount''bank_amount' => 'setBankAmount''reference' => 'setReference''is_reconciled' => 'setIsReconciled''status' => 'setStatus''payment_type' => 'setPaymentType''updated_date_utc' => 'setUpdatedDateUtc''payment_id' => 'setPaymentId''batch_payment_id' => 'setBatchPaymentId''bank_account_number' => 'setBankAccountNumber''particulars' => 'setParticulars''details' => 'setDetails''has_account' => 'setHasAccount''has_validation_errors' => 'setHasValidationErrors''status_attribute_string' => 'setStatusAttributeString''validation_errors' => 'setValidationErrors'
+        'invoice' => 'setInvoice',
+        'credit_note' => 'setCreditNote',
+        'prepayment' => 'setPrepayment',
+        'overpayment' => 'setOverpayment',
+        'invoice_number' => 'setInvoiceNumber',
+        'credit_note_number' => 'setCreditNoteNumber',
+        'account' => 'setAccount',
+        'code' => 'setCode',
+        'date' => 'setDate',
+        'currency_rate' => 'setCurrencyRate',
+        'amount' => 'setAmount',
+        'bank_amount' => 'setBankAmount',
+        'reference' => 'setReference',
+        'is_reconciled' => 'setIsReconciled',
+        'status' => 'setStatus',
+        'payment_type' => 'setPaymentType',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'payment_id' => 'setPaymentId',
+        'batch_payment_id' => 'setBatchPaymentId',
+        'bank_account_number' => 'setBankAccountNumber',
+        'particulars' => 'setParticulars',
+        'details' => 'setDetails',
+        'has_account' => 'setHasAccount',
+        'has_validation_errors' => 'setHasValidationErrors',
+        'status_attribute_string' => 'setStatusAttributeString',
+        'validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -115,7 +215,32 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'invoice' => 'getInvoice''credit_note' => 'getCreditNote''prepayment' => 'getPrepayment''overpayment' => 'getOverpayment''invoice_number' => 'getInvoiceNumber''credit_note_number' => 'getCreditNoteNumber''account' => 'getAccount''code' => 'getCode''date' => 'getDate''currency_rate' => 'getCurrencyRate''amount' => 'getAmount''bank_amount' => 'getBankAmount''reference' => 'getReference''is_reconciled' => 'getIsReconciled''status' => 'getStatus''payment_type' => 'getPaymentType''updated_date_utc' => 'getUpdatedDateUtc''payment_id' => 'getPaymentId''batch_payment_id' => 'getBatchPaymentId''bank_account_number' => 'getBankAccountNumber''particulars' => 'getParticulars''details' => 'getDetails''has_account' => 'getHasAccount''has_validation_errors' => 'getHasValidationErrors''status_attribute_string' => 'getStatusAttributeString''validation_errors' => 'getValidationErrors'
+        'invoice' => 'getInvoice',
+        'credit_note' => 'getCreditNote',
+        'prepayment' => 'getPrepayment',
+        'overpayment' => 'getOverpayment',
+        'invoice_number' => 'getInvoiceNumber',
+        'credit_note_number' => 'getCreditNoteNumber',
+        'account' => 'getAccount',
+        'code' => 'getCode',
+        'date' => 'getDate',
+        'currency_rate' => 'getCurrencyRate',
+        'amount' => 'getAmount',
+        'bank_amount' => 'getBankAmount',
+        'reference' => 'getReference',
+        'is_reconciled' => 'getIsReconciled',
+        'status' => 'getStatus',
+        'payment_type' => 'getPaymentType',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'payment_id' => 'getPaymentId',
+        'batch_payment_id' => 'getBatchPaymentId',
+        'bank_account_number' => 'getBankAccountNumber',
+        'particulars' => 'getParticulars',
+        'details' => 'getDetails',
+        'has_account' => 'getHasAccount',
+        'has_validation_errors' => 'getHasValidationErrors',
+        'status_attribute_string' => 'getStatusAttributeString',
+        'validation_errors' => 'getValidationErrors'
     ];
 
     /**
diff --git a/lib/Models/Accounting/PaymentDelete.php b/lib/Models/Accounting/PaymentDelete.php
index 80ce6e0e..9432e06f 100644
--- a/lib/Models/Accounting/PaymentDelete.php
+++ b/lib/Models/Accounting/PaymentDelete.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/PaymentService.php b/lib/Models/Accounting/PaymentService.php
index 20265939..37d3483f 100644
--- a/lib/Models/Accounting/PaymentService.php
+++ b/lib/Models/Accounting/PaymentService.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class PaymentService implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'payment_service_id' => 'string''payment_service_name' => 'string''payment_service_url' => 'string''pay_now_text' => 'string''payment_service_type' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
+        'payment_service_id' => 'string',
+        'payment_service_name' => 'string',
+        'payment_service_url' => 'string',
+        'pay_now_text' => 'string',
+        'payment_service_type' => 'string',
+        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
     ];
 
     /**
@@ -67,7 +72,12 @@ class PaymentService implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'payment_service_id' => 'uuid''payment_service_name' => null'payment_service_url' => null'pay_now_text' => null'payment_service_type' => null'validation_errors' => null
+        'payment_service_id' => 'uuid',
+        'payment_service_name' => null,
+        'payment_service_url' => null,
+        'pay_now_text' => null,
+        'payment_service_type' => null,
+        'validation_errors' => null
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'payment_service_id' => 'PaymentServiceID''payment_service_name' => 'PaymentServiceName''payment_service_url' => 'PaymentServiceUrl''pay_now_text' => 'PayNowText''payment_service_type' => 'PaymentServiceType''validation_errors' => 'ValidationErrors'
+        'payment_service_id' => 'PaymentServiceID',
+        'payment_service_name' => 'PaymentServiceName',
+        'payment_service_url' => 'PaymentServiceUrl',
+        'pay_now_text' => 'PayNowText',
+        'payment_service_type' => 'PaymentServiceType',
+        'validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'payment_service_id' => 'setPaymentServiceId''payment_service_name' => 'setPaymentServiceName''payment_service_url' => 'setPaymentServiceUrl''pay_now_text' => 'setPayNowText''payment_service_type' => 'setPaymentServiceType''validation_errors' => 'setValidationErrors'
+        'payment_service_id' => 'setPaymentServiceId',
+        'payment_service_name' => 'setPaymentServiceName',
+        'payment_service_url' => 'setPaymentServiceUrl',
+        'pay_now_text' => 'setPayNowText',
+        'payment_service_type' => 'setPaymentServiceType',
+        'validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'payment_service_id' => 'getPaymentServiceId''payment_service_name' => 'getPaymentServiceName''payment_service_url' => 'getPaymentServiceUrl''pay_now_text' => 'getPayNowText''payment_service_type' => 'getPaymentServiceType''validation_errors' => 'getValidationErrors'
+        'payment_service_id' => 'getPaymentServiceId',
+        'payment_service_name' => 'getPaymentServiceName',
+        'payment_service_url' => 'getPaymentServiceUrl',
+        'pay_now_text' => 'getPayNowText',
+        'payment_service_type' => 'getPaymentServiceType',
+        'validation_errors' => 'getValidationErrors'
     ];
 
     /**
diff --git a/lib/Models/Accounting/PaymentServices.php b/lib/Models/Accounting/PaymentServices.php
index d59db943..b079d97d 100644
--- a/lib/Models/Accounting/PaymentServices.php
+++ b/lib/Models/Accounting/PaymentServices.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/PaymentTerm.php b/lib/Models/Accounting/PaymentTerm.php
index 97814243..7de74763 100644
--- a/lib/Models/Accounting/PaymentTerm.php
+++ b/lib/Models/Accounting/PaymentTerm.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class PaymentTerm implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'bills' => '\XeroAPI\XeroPHP\Models\Accounting\Bill''sales' => '\XeroAPI\XeroPHP\Models\Accounting\Bill'
+        'bills' => '\XeroAPI\XeroPHP\Models\Accounting\Bill',
+        'sales' => '\XeroAPI\XeroPHP\Models\Accounting\Bill'
     ];
 
     /**
@@ -67,7 +68,8 @@ class PaymentTerm implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'bills' => null'sales' => null
+        'bills' => null,
+        'sales' => null
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'bills' => 'Bills''sales' => 'Sales'
+        'bills' => 'Bills',
+        'sales' => 'Sales'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'bills' => 'setBills''sales' => 'setSales'
+        'bills' => 'setBills',
+        'sales' => 'setSales'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'bills' => 'getBills''sales' => 'getSales'
+        'bills' => 'getBills',
+        'sales' => 'getSales'
     ];
 
     /**
diff --git a/lib/Models/Accounting/PaymentTermType.php b/lib/Models/Accounting/PaymentTermType.php
index 70f8e122..60825871 100644
--- a/lib/Models/Accounting/PaymentTermType.php
+++ b/lib/Models/Accounting/PaymentTermType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/Payments.php b/lib/Models/Accounting/Payments.php
index d7258003..086dffbe 100644
--- a/lib/Models/Accounting/Payments.php
+++ b/lib/Models/Accounting/Payments.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/Phone.php b/lib/Models/Accounting/Phone.php
index 217b1be2..672c3ded 100644
--- a/lib/Models/Accounting/Phone.php
+++ b/lib/Models/Accounting/Phone.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class Phone implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'phone_type' => 'string''phone_number' => 'string''phone_area_code' => 'string''phone_country_code' => 'string'
+        'phone_type' => 'string',
+        'phone_number' => 'string',
+        'phone_area_code' => 'string',
+        'phone_country_code' => 'string'
     ];
 
     /**
@@ -67,7 +70,10 @@ class Phone implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'phone_type' => null'phone_number' => null'phone_area_code' => null'phone_country_code' => null
+        'phone_type' => null,
+        'phone_number' => null,
+        'phone_area_code' => null,
+        'phone_country_code' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'phone_type' => 'PhoneType''phone_number' => 'PhoneNumber''phone_area_code' => 'PhoneAreaCode''phone_country_code' => 'PhoneCountryCode'
+        'phone_type' => 'PhoneType',
+        'phone_number' => 'PhoneNumber',
+        'phone_area_code' => 'PhoneAreaCode',
+        'phone_country_code' => 'PhoneCountryCode'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'phone_type' => 'setPhoneType''phone_number' => 'setPhoneNumber''phone_area_code' => 'setPhoneAreaCode''phone_country_code' => 'setPhoneCountryCode'
+        'phone_type' => 'setPhoneType',
+        'phone_number' => 'setPhoneNumber',
+        'phone_area_code' => 'setPhoneAreaCode',
+        'phone_country_code' => 'setPhoneCountryCode'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'phone_type' => 'getPhoneType''phone_number' => 'getPhoneNumber''phone_area_code' => 'getPhoneAreaCode''phone_country_code' => 'getPhoneCountryCode'
+        'phone_type' => 'getPhoneType',
+        'phone_number' => 'getPhoneNumber',
+        'phone_area_code' => 'getPhoneAreaCode',
+        'phone_country_code' => 'getPhoneCountryCode'
     ];
 
     /**
diff --git a/lib/Models/Accounting/Prepayment.php b/lib/Models/Accounting/Prepayment.php
index e70d38bc..b9b410d0 100644
--- a/lib/Models/Accounting/Prepayment.php
+++ b/lib/Models/Accounting/Prepayment.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,26 @@ class Prepayment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'type' => 'string''contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact''date' => 'string''status' => 'string''line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes''line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]''sub_total' => 'double''total_tax' => 'double''total' => 'double''reference' => 'string''updated_date_utc' => 'string''currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode''prepayment_id' => 'string''currency_rate' => 'double''remaining_credit' => 'double''allocations' => '\XeroAPI\XeroPHP\Models\Accounting\Allocation[]''payments' => '\XeroAPI\XeroPHP\Models\Accounting\Payment[]''applied_amount' => 'double''has_attachments' => 'bool''attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]'
+        'type' => 'string',
+        'contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact',
+        'date' => 'string',
+        'status' => 'string',
+        'line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes',
+        'line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]',
+        'sub_total' => 'double',
+        'total_tax' => 'double',
+        'total' => 'double',
+        'reference' => 'string',
+        'updated_date_utc' => 'string',
+        'currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode',
+        'prepayment_id' => 'string',
+        'currency_rate' => 'double',
+        'remaining_credit' => 'double',
+        'allocations' => '\XeroAPI\XeroPHP\Models\Accounting\Allocation[]',
+        'payments' => '\XeroAPI\XeroPHP\Models\Accounting\Payment[]',
+        'applied_amount' => 'double',
+        'has_attachments' => 'bool',
+        'attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]'
     ];
 
     /**
@@ -67,7 +86,26 @@ class Prepayment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'type' => null'contact' => null'date' => null'status' => null'line_amount_types' => null'line_items' => null'sub_total' => 'double''total_tax' => 'double''total' => 'double''reference' => null'updated_date_utc' => null'currency_code' => null'prepayment_id' => 'uuid''currency_rate' => 'double''remaining_credit' => 'double''allocations' => null'payments' => null'applied_amount' => 'double''has_attachments' => null'attachments' => null
+        'type' => null,
+        'contact' => null,
+        'date' => null,
+        'status' => null,
+        'line_amount_types' => null,
+        'line_items' => null,
+        'sub_total' => 'double',
+        'total_tax' => 'double',
+        'total' => 'double',
+        'reference' => null,
+        'updated_date_utc' => null,
+        'currency_code' => null,
+        'prepayment_id' => 'uuid',
+        'currency_rate' => 'double',
+        'remaining_credit' => 'double',
+        'allocations' => null,
+        'payments' => null,
+        'applied_amount' => 'double',
+        'has_attachments' => null,
+        'attachments' => null
     ];
 
     /**
@@ -97,7 +135,26 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'type' => 'Type''contact' => 'Contact''date' => 'Date''status' => 'Status''line_amount_types' => 'LineAmountTypes''line_items' => 'LineItems''sub_total' => 'SubTotal''total_tax' => 'TotalTax''total' => 'Total''reference' => 'Reference''updated_date_utc' => 'UpdatedDateUTC''currency_code' => 'CurrencyCode''prepayment_id' => 'PrepaymentID''currency_rate' => 'CurrencyRate''remaining_credit' => 'RemainingCredit''allocations' => 'Allocations''payments' => 'Payments''applied_amount' => 'AppliedAmount''has_attachments' => 'HasAttachments''attachments' => 'Attachments'
+        'type' => 'Type',
+        'contact' => 'Contact',
+        'date' => 'Date',
+        'status' => 'Status',
+        'line_amount_types' => 'LineAmountTypes',
+        'line_items' => 'LineItems',
+        'sub_total' => 'SubTotal',
+        'total_tax' => 'TotalTax',
+        'total' => 'Total',
+        'reference' => 'Reference',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'currency_code' => 'CurrencyCode',
+        'prepayment_id' => 'PrepaymentID',
+        'currency_rate' => 'CurrencyRate',
+        'remaining_credit' => 'RemainingCredit',
+        'allocations' => 'Allocations',
+        'payments' => 'Payments',
+        'applied_amount' => 'AppliedAmount',
+        'has_attachments' => 'HasAttachments',
+        'attachments' => 'Attachments'
     ];
 
     /**
@@ -106,7 +163,26 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'type' => 'setType''contact' => 'setContact''date' => 'setDate''status' => 'setStatus''line_amount_types' => 'setLineAmountTypes''line_items' => 'setLineItems''sub_total' => 'setSubTotal''total_tax' => 'setTotalTax''total' => 'setTotal''reference' => 'setReference''updated_date_utc' => 'setUpdatedDateUtc''currency_code' => 'setCurrencyCode''prepayment_id' => 'setPrepaymentId''currency_rate' => 'setCurrencyRate''remaining_credit' => 'setRemainingCredit''allocations' => 'setAllocations''payments' => 'setPayments''applied_amount' => 'setAppliedAmount''has_attachments' => 'setHasAttachments''attachments' => 'setAttachments'
+        'type' => 'setType',
+        'contact' => 'setContact',
+        'date' => 'setDate',
+        'status' => 'setStatus',
+        'line_amount_types' => 'setLineAmountTypes',
+        'line_items' => 'setLineItems',
+        'sub_total' => 'setSubTotal',
+        'total_tax' => 'setTotalTax',
+        'total' => 'setTotal',
+        'reference' => 'setReference',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'currency_code' => 'setCurrencyCode',
+        'prepayment_id' => 'setPrepaymentId',
+        'currency_rate' => 'setCurrencyRate',
+        'remaining_credit' => 'setRemainingCredit',
+        'allocations' => 'setAllocations',
+        'payments' => 'setPayments',
+        'applied_amount' => 'setAppliedAmount',
+        'has_attachments' => 'setHasAttachments',
+        'attachments' => 'setAttachments'
     ];
 
     /**
@@ -115,7 +191,26 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'type' => 'getType''contact' => 'getContact''date' => 'getDate''status' => 'getStatus''line_amount_types' => 'getLineAmountTypes''line_items' => 'getLineItems''sub_total' => 'getSubTotal''total_tax' => 'getTotalTax''total' => 'getTotal''reference' => 'getReference''updated_date_utc' => 'getUpdatedDateUtc''currency_code' => 'getCurrencyCode''prepayment_id' => 'getPrepaymentId''currency_rate' => 'getCurrencyRate''remaining_credit' => 'getRemainingCredit''allocations' => 'getAllocations''payments' => 'getPayments''applied_amount' => 'getAppliedAmount''has_attachments' => 'getHasAttachments''attachments' => 'getAttachments'
+        'type' => 'getType',
+        'contact' => 'getContact',
+        'date' => 'getDate',
+        'status' => 'getStatus',
+        'line_amount_types' => 'getLineAmountTypes',
+        'line_items' => 'getLineItems',
+        'sub_total' => 'getSubTotal',
+        'total_tax' => 'getTotalTax',
+        'total' => 'getTotal',
+        'reference' => 'getReference',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'currency_code' => 'getCurrencyCode',
+        'prepayment_id' => 'getPrepaymentId',
+        'currency_rate' => 'getCurrencyRate',
+        'remaining_credit' => 'getRemainingCredit',
+        'allocations' => 'getAllocations',
+        'payments' => 'getPayments',
+        'applied_amount' => 'getAppliedAmount',
+        'has_attachments' => 'getHasAttachments',
+        'attachments' => 'getAttachments'
     ];
 
     /**
diff --git a/lib/Models/Accounting/Prepayments.php b/lib/Models/Accounting/Prepayments.php
index b3e758c0..44baaaf7 100644
--- a/lib/Models/Accounting/Prepayments.php
+++ b/lib/Models/Accounting/Prepayments.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/Purchase.php b/lib/Models/Accounting/Purchase.php
index d41df9f5..0366c4d4 100644
--- a/lib/Models/Accounting/Purchase.php
+++ b/lib/Models/Accounting/Purchase.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class Purchase implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'unit_price' => 'double''account_code' => 'string''cogs_account_code' => 'string''tax_type' => 'string'
+        'unit_price' => 'double',
+        'account_code' => 'string',
+        'cogs_account_code' => 'string',
+        'tax_type' => 'string'
     ];
 
     /**
@@ -67,7 +70,10 @@ class Purchase implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'unit_price' => 'double''account_code' => null'cogs_account_code' => null'tax_type' => null
+        'unit_price' => 'double',
+        'account_code' => null,
+        'cogs_account_code' => null,
+        'tax_type' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'unit_price' => 'UnitPrice''account_code' => 'AccountCode''cogs_account_code' => 'COGSAccountCode''tax_type' => 'TaxType'
+        'unit_price' => 'UnitPrice',
+        'account_code' => 'AccountCode',
+        'cogs_account_code' => 'COGSAccountCode',
+        'tax_type' => 'TaxType'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'unit_price' => 'setUnitPrice''account_code' => 'setAccountCode''cogs_account_code' => 'setCogsAccountCode''tax_type' => 'setTaxType'
+        'unit_price' => 'setUnitPrice',
+        'account_code' => 'setAccountCode',
+        'cogs_account_code' => 'setCogsAccountCode',
+        'tax_type' => 'setTaxType'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'unit_price' => 'getUnitPrice''account_code' => 'getAccountCode''cogs_account_code' => 'getCogsAccountCode''tax_type' => 'getTaxType'
+        'unit_price' => 'getUnitPrice',
+        'account_code' => 'getAccountCode',
+        'cogs_account_code' => 'getCogsAccountCode',
+        'tax_type' => 'getTaxType'
     ];
 
     /**
diff --git a/lib/Models/Accounting/PurchaseOrder.php b/lib/Models/Accounting/PurchaseOrder.php
index ddf1df93..45e04d3a 100644
--- a/lib/Models/Accounting/PurchaseOrder.php
+++ b/lib/Models/Accounting/PurchaseOrder.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,34 @@ class PurchaseOrder implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact''line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]''date' => 'string''delivery_date' => 'string''line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes''purchase_order_number' => 'string''reference' => 'string''branding_theme_id' => 'string''currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode''status' => 'string''sent_to_contact' => 'bool''delivery_address' => 'string''attention_to' => 'string''telephone' => 'string''delivery_instructions' => 'string''expected_arrival_date' => 'string''purchase_order_id' => 'string''currency_rate' => 'double''sub_total' => 'double''total_tax' => 'double''total' => 'double''total_discount' => 'double''has_attachments' => 'bool''updated_date_utc' => 'string''status_attribute_string' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]''warnings' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]''attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]'
+        'contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact',
+        'line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]',
+        'date' => 'string',
+        'delivery_date' => 'string',
+        'line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes',
+        'purchase_order_number' => 'string',
+        'reference' => 'string',
+        'branding_theme_id' => 'string',
+        'currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode',
+        'status' => 'string',
+        'sent_to_contact' => 'bool',
+        'delivery_address' => 'string',
+        'attention_to' => 'string',
+        'telephone' => 'string',
+        'delivery_instructions' => 'string',
+        'expected_arrival_date' => 'string',
+        'purchase_order_id' => 'string',
+        'currency_rate' => 'double',
+        'sub_total' => 'double',
+        'total_tax' => 'double',
+        'total' => 'double',
+        'total_discount' => 'double',
+        'has_attachments' => 'bool',
+        'updated_date_utc' => 'string',
+        'status_attribute_string' => 'string',
+        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]',
+        'warnings' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]',
+        'attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]'
     ];
 
     /**
@@ -67,7 +94,34 @@ class PurchaseOrder implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'contact' => null'line_items' => null'date' => null'delivery_date' => null'line_amount_types' => null'purchase_order_number' => null'reference' => null'branding_theme_id' => 'uuid''currency_code' => null'status' => null'sent_to_contact' => null'delivery_address' => null'attention_to' => null'telephone' => null'delivery_instructions' => null'expected_arrival_date' => null'purchase_order_id' => 'uuid''currency_rate' => 'double''sub_total' => 'double''total_tax' => 'double''total' => 'double''total_discount' => 'double''has_attachments' => null'updated_date_utc' => null'status_attribute_string' => null'validation_errors' => null'warnings' => null'attachments' => null
+        'contact' => null,
+        'line_items' => null,
+        'date' => null,
+        'delivery_date' => null,
+        'line_amount_types' => null,
+        'purchase_order_number' => null,
+        'reference' => null,
+        'branding_theme_id' => 'uuid',
+        'currency_code' => null,
+        'status' => null,
+        'sent_to_contact' => null,
+        'delivery_address' => null,
+        'attention_to' => null,
+        'telephone' => null,
+        'delivery_instructions' => null,
+        'expected_arrival_date' => null,
+        'purchase_order_id' => 'uuid',
+        'currency_rate' => 'double',
+        'sub_total' => 'double',
+        'total_tax' => 'double',
+        'total' => 'double',
+        'total_discount' => 'double',
+        'has_attachments' => null,
+        'updated_date_utc' => null,
+        'status_attribute_string' => null,
+        'validation_errors' => null,
+        'warnings' => null,
+        'attachments' => null
     ];
 
     /**
@@ -97,7 +151,34 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'contact' => 'Contact''line_items' => 'LineItems''date' => 'Date''delivery_date' => 'DeliveryDate''line_amount_types' => 'LineAmountTypes''purchase_order_number' => 'PurchaseOrderNumber''reference' => 'Reference''branding_theme_id' => 'BrandingThemeID''currency_code' => 'CurrencyCode''status' => 'Status''sent_to_contact' => 'SentToContact''delivery_address' => 'DeliveryAddress''attention_to' => 'AttentionTo''telephone' => 'Telephone''delivery_instructions' => 'DeliveryInstructions''expected_arrival_date' => 'ExpectedArrivalDate''purchase_order_id' => 'PurchaseOrderID''currency_rate' => 'CurrencyRate''sub_total' => 'SubTotal''total_tax' => 'TotalTax''total' => 'Total''total_discount' => 'TotalDiscount''has_attachments' => 'HasAttachments''updated_date_utc' => 'UpdatedDateUTC''status_attribute_string' => 'StatusAttributeString''validation_errors' => 'ValidationErrors''warnings' => 'Warnings''attachments' => 'Attachments'
+        'contact' => 'Contact',
+        'line_items' => 'LineItems',
+        'date' => 'Date',
+        'delivery_date' => 'DeliveryDate',
+        'line_amount_types' => 'LineAmountTypes',
+        'purchase_order_number' => 'PurchaseOrderNumber',
+        'reference' => 'Reference',
+        'branding_theme_id' => 'BrandingThemeID',
+        'currency_code' => 'CurrencyCode',
+        'status' => 'Status',
+        'sent_to_contact' => 'SentToContact',
+        'delivery_address' => 'DeliveryAddress',
+        'attention_to' => 'AttentionTo',
+        'telephone' => 'Telephone',
+        'delivery_instructions' => 'DeliveryInstructions',
+        'expected_arrival_date' => 'ExpectedArrivalDate',
+        'purchase_order_id' => 'PurchaseOrderID',
+        'currency_rate' => 'CurrencyRate',
+        'sub_total' => 'SubTotal',
+        'total_tax' => 'TotalTax',
+        'total' => 'Total',
+        'total_discount' => 'TotalDiscount',
+        'has_attachments' => 'HasAttachments',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'status_attribute_string' => 'StatusAttributeString',
+        'validation_errors' => 'ValidationErrors',
+        'warnings' => 'Warnings',
+        'attachments' => 'Attachments'
     ];
 
     /**
@@ -106,7 +187,34 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'contact' => 'setContact''line_items' => 'setLineItems''date' => 'setDate''delivery_date' => 'setDeliveryDate''line_amount_types' => 'setLineAmountTypes''purchase_order_number' => 'setPurchaseOrderNumber''reference' => 'setReference''branding_theme_id' => 'setBrandingThemeId''currency_code' => 'setCurrencyCode''status' => 'setStatus''sent_to_contact' => 'setSentToContact''delivery_address' => 'setDeliveryAddress''attention_to' => 'setAttentionTo''telephone' => 'setTelephone''delivery_instructions' => 'setDeliveryInstructions''expected_arrival_date' => 'setExpectedArrivalDate''purchase_order_id' => 'setPurchaseOrderId''currency_rate' => 'setCurrencyRate''sub_total' => 'setSubTotal''total_tax' => 'setTotalTax''total' => 'setTotal''total_discount' => 'setTotalDiscount''has_attachments' => 'setHasAttachments''updated_date_utc' => 'setUpdatedDateUtc''status_attribute_string' => 'setStatusAttributeString''validation_errors' => 'setValidationErrors''warnings' => 'setWarnings''attachments' => 'setAttachments'
+        'contact' => 'setContact',
+        'line_items' => 'setLineItems',
+        'date' => 'setDate',
+        'delivery_date' => 'setDeliveryDate',
+        'line_amount_types' => 'setLineAmountTypes',
+        'purchase_order_number' => 'setPurchaseOrderNumber',
+        'reference' => 'setReference',
+        'branding_theme_id' => 'setBrandingThemeId',
+        'currency_code' => 'setCurrencyCode',
+        'status' => 'setStatus',
+        'sent_to_contact' => 'setSentToContact',
+        'delivery_address' => 'setDeliveryAddress',
+        'attention_to' => 'setAttentionTo',
+        'telephone' => 'setTelephone',
+        'delivery_instructions' => 'setDeliveryInstructions',
+        'expected_arrival_date' => 'setExpectedArrivalDate',
+        'purchase_order_id' => 'setPurchaseOrderId',
+        'currency_rate' => 'setCurrencyRate',
+        'sub_total' => 'setSubTotal',
+        'total_tax' => 'setTotalTax',
+        'total' => 'setTotal',
+        'total_discount' => 'setTotalDiscount',
+        'has_attachments' => 'setHasAttachments',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'status_attribute_string' => 'setStatusAttributeString',
+        'validation_errors' => 'setValidationErrors',
+        'warnings' => 'setWarnings',
+        'attachments' => 'setAttachments'
     ];
 
     /**
@@ -115,7 +223,34 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'contact' => 'getContact''line_items' => 'getLineItems''date' => 'getDate''delivery_date' => 'getDeliveryDate''line_amount_types' => 'getLineAmountTypes''purchase_order_number' => 'getPurchaseOrderNumber''reference' => 'getReference''branding_theme_id' => 'getBrandingThemeId''currency_code' => 'getCurrencyCode''status' => 'getStatus''sent_to_contact' => 'getSentToContact''delivery_address' => 'getDeliveryAddress''attention_to' => 'getAttentionTo''telephone' => 'getTelephone''delivery_instructions' => 'getDeliveryInstructions''expected_arrival_date' => 'getExpectedArrivalDate''purchase_order_id' => 'getPurchaseOrderId''currency_rate' => 'getCurrencyRate''sub_total' => 'getSubTotal''total_tax' => 'getTotalTax''total' => 'getTotal''total_discount' => 'getTotalDiscount''has_attachments' => 'getHasAttachments''updated_date_utc' => 'getUpdatedDateUtc''status_attribute_string' => 'getStatusAttributeString''validation_errors' => 'getValidationErrors''warnings' => 'getWarnings''attachments' => 'getAttachments'
+        'contact' => 'getContact',
+        'line_items' => 'getLineItems',
+        'date' => 'getDate',
+        'delivery_date' => 'getDeliveryDate',
+        'line_amount_types' => 'getLineAmountTypes',
+        'purchase_order_number' => 'getPurchaseOrderNumber',
+        'reference' => 'getReference',
+        'branding_theme_id' => 'getBrandingThemeId',
+        'currency_code' => 'getCurrencyCode',
+        'status' => 'getStatus',
+        'sent_to_contact' => 'getSentToContact',
+        'delivery_address' => 'getDeliveryAddress',
+        'attention_to' => 'getAttentionTo',
+        'telephone' => 'getTelephone',
+        'delivery_instructions' => 'getDeliveryInstructions',
+        'expected_arrival_date' => 'getExpectedArrivalDate',
+        'purchase_order_id' => 'getPurchaseOrderId',
+        'currency_rate' => 'getCurrencyRate',
+        'sub_total' => 'getSubTotal',
+        'total_tax' => 'getTotalTax',
+        'total' => 'getTotal',
+        'total_discount' => 'getTotalDiscount',
+        'has_attachments' => 'getHasAttachments',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'status_attribute_string' => 'getStatusAttributeString',
+        'validation_errors' => 'getValidationErrors',
+        'warnings' => 'getWarnings',
+        'attachments' => 'getAttachments'
     ];
 
     /**
diff --git a/lib/Models/Accounting/PurchaseOrders.php b/lib/Models/Accounting/PurchaseOrders.php
index e6204d02..1b77a6f4 100644
--- a/lib/Models/Accounting/PurchaseOrders.php
+++ b/lib/Models/Accounting/PurchaseOrders.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/Quote.php b/lib/Models/Accounting/Quote.php
index 1db7a549..a01b715f 100644
--- a/lib/Models/Accounting/Quote.php
+++ b/lib/Models/Accounting/Quote.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,30 @@ class Quote implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'quote_id' => 'string''quote_number' => 'string''reference' => 'string''terms' => 'string''contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact''line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]''date' => 'string''date_string' => 'string''expiry_date' => 'string''expiry_date_string' => 'string''status' => '\XeroAPI\XeroPHP\Models\Accounting\QuoteStatusCodes''currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode''currency_rate' => 'double''sub_total' => 'double''total_tax' => 'double''total' => 'double''total_discount' => 'double''title' => 'string''summary' => 'string''branding_theme_id' => 'string''updated_date_utc' => 'string''line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\QuoteLineAmountTypes''status_attribute_string' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
+        'quote_id' => 'string',
+        'quote_number' => 'string',
+        'reference' => 'string',
+        'terms' => 'string',
+        'contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact',
+        'line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]',
+        'date' => 'string',
+        'date_string' => 'string',
+        'expiry_date' => 'string',
+        'expiry_date_string' => 'string',
+        'status' => '\XeroAPI\XeroPHP\Models\Accounting\QuoteStatusCodes',
+        'currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode',
+        'currency_rate' => 'double',
+        'sub_total' => 'double',
+        'total_tax' => 'double',
+        'total' => 'double',
+        'total_discount' => 'double',
+        'title' => 'string',
+        'summary' => 'string',
+        'branding_theme_id' => 'string',
+        'updated_date_utc' => 'string',
+        'line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\QuoteLineAmountTypes',
+        'status_attribute_string' => 'string',
+        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]'
     ];
 
     /**
@@ -67,7 +90,30 @@ class Quote implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'quote_id' => 'uuid''quote_number' => null'reference' => null'terms' => null'contact' => null'line_items' => null'date' => null'date_string' => null'expiry_date' => null'expiry_date_string' => null'status' => null'currency_code' => null'currency_rate' => 'double''sub_total' => 'double''total_tax' => 'double''total' => 'double''total_discount' => 'double''title' => null'summary' => null'branding_theme_id' => 'uuid''updated_date_utc' => null'line_amount_types' => null'status_attribute_string' => null'validation_errors' => null
+        'quote_id' => 'uuid',
+        'quote_number' => null,
+        'reference' => null,
+        'terms' => null,
+        'contact' => null,
+        'line_items' => null,
+        'date' => null,
+        'date_string' => null,
+        'expiry_date' => null,
+        'expiry_date_string' => null,
+        'status' => null,
+        'currency_code' => null,
+        'currency_rate' => 'double',
+        'sub_total' => 'double',
+        'total_tax' => 'double',
+        'total' => 'double',
+        'total_discount' => 'double',
+        'title' => null,
+        'summary' => null,
+        'branding_theme_id' => 'uuid',
+        'updated_date_utc' => null,
+        'line_amount_types' => null,
+        'status_attribute_string' => null,
+        'validation_errors' => null
     ];
 
     /**
@@ -97,7 +143,30 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'quote_id' => 'QuoteID''quote_number' => 'QuoteNumber''reference' => 'Reference''terms' => 'Terms''contact' => 'Contact''line_items' => 'LineItems''date' => 'Date''date_string' => 'DateString''expiry_date' => 'ExpiryDate''expiry_date_string' => 'ExpiryDateString''status' => 'Status''currency_code' => 'CurrencyCode''currency_rate' => 'CurrencyRate''sub_total' => 'SubTotal''total_tax' => 'TotalTax''total' => 'Total''total_discount' => 'TotalDiscount''title' => 'Title''summary' => 'Summary''branding_theme_id' => 'BrandingThemeID''updated_date_utc' => 'UpdatedDateUTC''line_amount_types' => 'LineAmountTypes''status_attribute_string' => 'StatusAttributeString''validation_errors' => 'ValidationErrors'
+        'quote_id' => 'QuoteID',
+        'quote_number' => 'QuoteNumber',
+        'reference' => 'Reference',
+        'terms' => 'Terms',
+        'contact' => 'Contact',
+        'line_items' => 'LineItems',
+        'date' => 'Date',
+        'date_string' => 'DateString',
+        'expiry_date' => 'ExpiryDate',
+        'expiry_date_string' => 'ExpiryDateString',
+        'status' => 'Status',
+        'currency_code' => 'CurrencyCode',
+        'currency_rate' => 'CurrencyRate',
+        'sub_total' => 'SubTotal',
+        'total_tax' => 'TotalTax',
+        'total' => 'Total',
+        'total_discount' => 'TotalDiscount',
+        'title' => 'Title',
+        'summary' => 'Summary',
+        'branding_theme_id' => 'BrandingThemeID',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'line_amount_types' => 'LineAmountTypes',
+        'status_attribute_string' => 'StatusAttributeString',
+        'validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -106,7 +175,30 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'quote_id' => 'setQuoteId''quote_number' => 'setQuoteNumber''reference' => 'setReference''terms' => 'setTerms''contact' => 'setContact''line_items' => 'setLineItems''date' => 'setDate''date_string' => 'setDateString''expiry_date' => 'setExpiryDate''expiry_date_string' => 'setExpiryDateString''status' => 'setStatus''currency_code' => 'setCurrencyCode''currency_rate' => 'setCurrencyRate''sub_total' => 'setSubTotal''total_tax' => 'setTotalTax''total' => 'setTotal''total_discount' => 'setTotalDiscount''title' => 'setTitle''summary' => 'setSummary''branding_theme_id' => 'setBrandingThemeId''updated_date_utc' => 'setUpdatedDateUtc''line_amount_types' => 'setLineAmountTypes''status_attribute_string' => 'setStatusAttributeString''validation_errors' => 'setValidationErrors'
+        'quote_id' => 'setQuoteId',
+        'quote_number' => 'setQuoteNumber',
+        'reference' => 'setReference',
+        'terms' => 'setTerms',
+        'contact' => 'setContact',
+        'line_items' => 'setLineItems',
+        'date' => 'setDate',
+        'date_string' => 'setDateString',
+        'expiry_date' => 'setExpiryDate',
+        'expiry_date_string' => 'setExpiryDateString',
+        'status' => 'setStatus',
+        'currency_code' => 'setCurrencyCode',
+        'currency_rate' => 'setCurrencyRate',
+        'sub_total' => 'setSubTotal',
+        'total_tax' => 'setTotalTax',
+        'total' => 'setTotal',
+        'total_discount' => 'setTotalDiscount',
+        'title' => 'setTitle',
+        'summary' => 'setSummary',
+        'branding_theme_id' => 'setBrandingThemeId',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'line_amount_types' => 'setLineAmountTypes',
+        'status_attribute_string' => 'setStatusAttributeString',
+        'validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -115,7 +207,30 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'quote_id' => 'getQuoteId''quote_number' => 'getQuoteNumber''reference' => 'getReference''terms' => 'getTerms''contact' => 'getContact''line_items' => 'getLineItems''date' => 'getDate''date_string' => 'getDateString''expiry_date' => 'getExpiryDate''expiry_date_string' => 'getExpiryDateString''status' => 'getStatus''currency_code' => 'getCurrencyCode''currency_rate' => 'getCurrencyRate''sub_total' => 'getSubTotal''total_tax' => 'getTotalTax''total' => 'getTotal''total_discount' => 'getTotalDiscount''title' => 'getTitle''summary' => 'getSummary''branding_theme_id' => 'getBrandingThemeId''updated_date_utc' => 'getUpdatedDateUtc''line_amount_types' => 'getLineAmountTypes''status_attribute_string' => 'getStatusAttributeString''validation_errors' => 'getValidationErrors'
+        'quote_id' => 'getQuoteId',
+        'quote_number' => 'getQuoteNumber',
+        'reference' => 'getReference',
+        'terms' => 'getTerms',
+        'contact' => 'getContact',
+        'line_items' => 'getLineItems',
+        'date' => 'getDate',
+        'date_string' => 'getDateString',
+        'expiry_date' => 'getExpiryDate',
+        'expiry_date_string' => 'getExpiryDateString',
+        'status' => 'getStatus',
+        'currency_code' => 'getCurrencyCode',
+        'currency_rate' => 'getCurrencyRate',
+        'sub_total' => 'getSubTotal',
+        'total_tax' => 'getTotalTax',
+        'total' => 'getTotal',
+        'total_discount' => 'getTotalDiscount',
+        'title' => 'getTitle',
+        'summary' => 'getSummary',
+        'branding_theme_id' => 'getBrandingThemeId',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'line_amount_types' => 'getLineAmountTypes',
+        'status_attribute_string' => 'getStatusAttributeString',
+        'validation_errors' => 'getValidationErrors'
     ];
 
     /**
diff --git a/lib/Models/Accounting/QuoteLineAmountTypes.php b/lib/Models/Accounting/QuoteLineAmountTypes.php
index 88299781..73203b24 100644
--- a/lib/Models/Accounting/QuoteLineAmountTypes.php
+++ b/lib/Models/Accounting/QuoteLineAmountTypes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/QuoteStatusCodes.php b/lib/Models/Accounting/QuoteStatusCodes.php
index d76cbec5..1db06892 100644
--- a/lib/Models/Accounting/QuoteStatusCodes.php
+++ b/lib/Models/Accounting/QuoteStatusCodes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/Quotes.php b/lib/Models/Accounting/Quotes.php
index f35a1c6b..60c453f2 100644
--- a/lib/Models/Accounting/Quotes.php
+++ b/lib/Models/Accounting/Quotes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/Receipt.php b/lib/Models/Accounting/Receipt.php
index 5bda0b56..cf344e41 100644
--- a/lib/Models/Accounting/Receipt.php
+++ b/lib/Models/Accounting/Receipt.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,24 @@ class Receipt implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'date' => 'string''contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact''line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]''user' => '\XeroAPI\XeroPHP\Models\Accounting\User''reference' => 'string''line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes''sub_total' => 'double''total_tax' => 'double''total' => 'double''receipt_id' => 'string''status' => 'string''receipt_number' => 'string''updated_date_utc' => 'string''has_attachments' => 'bool''url' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]''warnings' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]''attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]'
+        'date' => 'string',
+        'contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact',
+        'line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]',
+        'user' => '\XeroAPI\XeroPHP\Models\Accounting\User',
+        'reference' => 'string',
+        'line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes',
+        'sub_total' => 'double',
+        'total_tax' => 'double',
+        'total' => 'double',
+        'receipt_id' => 'string',
+        'status' => 'string',
+        'receipt_number' => 'string',
+        'updated_date_utc' => 'string',
+        'has_attachments' => 'bool',
+        'url' => 'string',
+        'validation_errors' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]',
+        'warnings' => '\XeroAPI\XeroPHP\Models\Accounting\ValidationError[]',
+        'attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]'
     ];
 
     /**
@@ -67,7 +84,24 @@ class Receipt implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'date' => null'contact' => null'line_items' => null'user' => null'reference' => null'line_amount_types' => null'sub_total' => 'double''total_tax' => 'double''total' => 'double''receipt_id' => 'uuid''status' => null'receipt_number' => null'updated_date_utc' => null'has_attachments' => null'url' => null'validation_errors' => null'warnings' => null'attachments' => null
+        'date' => null,
+        'contact' => null,
+        'line_items' => null,
+        'user' => null,
+        'reference' => null,
+        'line_amount_types' => null,
+        'sub_total' => 'double',
+        'total_tax' => 'double',
+        'total' => 'double',
+        'receipt_id' => 'uuid',
+        'status' => null,
+        'receipt_number' => null,
+        'updated_date_utc' => null,
+        'has_attachments' => null,
+        'url' => null,
+        'validation_errors' => null,
+        'warnings' => null,
+        'attachments' => null
     ];
 
     /**
@@ -97,7 +131,24 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'date' => 'Date''contact' => 'Contact''line_items' => 'LineItems''user' => 'User''reference' => 'Reference''line_amount_types' => 'LineAmountTypes''sub_total' => 'SubTotal''total_tax' => 'TotalTax''total' => 'Total''receipt_id' => 'ReceiptID''status' => 'Status''receipt_number' => 'ReceiptNumber''updated_date_utc' => 'UpdatedDateUTC''has_attachments' => 'HasAttachments''url' => 'Url''validation_errors' => 'ValidationErrors''warnings' => 'Warnings''attachments' => 'Attachments'
+        'date' => 'Date',
+        'contact' => 'Contact',
+        'line_items' => 'LineItems',
+        'user' => 'User',
+        'reference' => 'Reference',
+        'line_amount_types' => 'LineAmountTypes',
+        'sub_total' => 'SubTotal',
+        'total_tax' => 'TotalTax',
+        'total' => 'Total',
+        'receipt_id' => 'ReceiptID',
+        'status' => 'Status',
+        'receipt_number' => 'ReceiptNumber',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'has_attachments' => 'HasAttachments',
+        'url' => 'Url',
+        'validation_errors' => 'ValidationErrors',
+        'warnings' => 'Warnings',
+        'attachments' => 'Attachments'
     ];
 
     /**
@@ -106,7 +157,24 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'date' => 'setDate''contact' => 'setContact''line_items' => 'setLineItems''user' => 'setUser''reference' => 'setReference''line_amount_types' => 'setLineAmountTypes''sub_total' => 'setSubTotal''total_tax' => 'setTotalTax''total' => 'setTotal''receipt_id' => 'setReceiptId''status' => 'setStatus''receipt_number' => 'setReceiptNumber''updated_date_utc' => 'setUpdatedDateUtc''has_attachments' => 'setHasAttachments''url' => 'setUrl''validation_errors' => 'setValidationErrors''warnings' => 'setWarnings''attachments' => 'setAttachments'
+        'date' => 'setDate',
+        'contact' => 'setContact',
+        'line_items' => 'setLineItems',
+        'user' => 'setUser',
+        'reference' => 'setReference',
+        'line_amount_types' => 'setLineAmountTypes',
+        'sub_total' => 'setSubTotal',
+        'total_tax' => 'setTotalTax',
+        'total' => 'setTotal',
+        'receipt_id' => 'setReceiptId',
+        'status' => 'setStatus',
+        'receipt_number' => 'setReceiptNumber',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'has_attachments' => 'setHasAttachments',
+        'url' => 'setUrl',
+        'validation_errors' => 'setValidationErrors',
+        'warnings' => 'setWarnings',
+        'attachments' => 'setAttachments'
     ];
 
     /**
@@ -115,7 +183,24 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'date' => 'getDate''contact' => 'getContact''line_items' => 'getLineItems''user' => 'getUser''reference' => 'getReference''line_amount_types' => 'getLineAmountTypes''sub_total' => 'getSubTotal''total_tax' => 'getTotalTax''total' => 'getTotal''receipt_id' => 'getReceiptId''status' => 'getStatus''receipt_number' => 'getReceiptNumber''updated_date_utc' => 'getUpdatedDateUtc''has_attachments' => 'getHasAttachments''url' => 'getUrl''validation_errors' => 'getValidationErrors''warnings' => 'getWarnings''attachments' => 'getAttachments'
+        'date' => 'getDate',
+        'contact' => 'getContact',
+        'line_items' => 'getLineItems',
+        'user' => 'getUser',
+        'reference' => 'getReference',
+        'line_amount_types' => 'getLineAmountTypes',
+        'sub_total' => 'getSubTotal',
+        'total_tax' => 'getTotalTax',
+        'total' => 'getTotal',
+        'receipt_id' => 'getReceiptId',
+        'status' => 'getStatus',
+        'receipt_number' => 'getReceiptNumber',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'has_attachments' => 'getHasAttachments',
+        'url' => 'getUrl',
+        'validation_errors' => 'getValidationErrors',
+        'warnings' => 'getWarnings',
+        'attachments' => 'getAttachments'
     ];
 
     /**
diff --git a/lib/Models/Accounting/Receipts.php b/lib/Models/Accounting/Receipts.php
index 76d2acae..93c8413a 100644
--- a/lib/Models/Accounting/Receipts.php
+++ b/lib/Models/Accounting/Receipts.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/RepeatingInvoice.php b/lib/Models/Accounting/RepeatingInvoice.php
index 5715e8b5..841acea7 100644
--- a/lib/Models/Accounting/RepeatingInvoice.php
+++ b/lib/Models/Accounting/RepeatingInvoice.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,22 @@ class RepeatingInvoice implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'type' => 'string''contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact''schedule' => '\XeroAPI\XeroPHP\Models\Accounting\Schedule''line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]''line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes''reference' => 'string''branding_theme_id' => 'string''currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode''status' => 'string''sub_total' => 'double''total_tax' => 'double''total' => 'double''repeating_invoice_id' => 'string''id' => 'string''has_attachments' => 'bool''attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]'
+        'type' => 'string',
+        'contact' => '\XeroAPI\XeroPHP\Models\Accounting\Contact',
+        'schedule' => '\XeroAPI\XeroPHP\Models\Accounting\Schedule',
+        'line_items' => '\XeroAPI\XeroPHP\Models\Accounting\LineItem[]',
+        'line_amount_types' => '\XeroAPI\XeroPHP\Models\Accounting\LineAmountTypes',
+        'reference' => 'string',
+        'branding_theme_id' => 'string',
+        'currency_code' => '\XeroAPI\XeroPHP\Models\Accounting\CurrencyCode',
+        'status' => 'string',
+        'sub_total' => 'double',
+        'total_tax' => 'double',
+        'total' => 'double',
+        'repeating_invoice_id' => 'string',
+        'id' => 'string',
+        'has_attachments' => 'bool',
+        'attachments' => '\XeroAPI\XeroPHP\Models\Accounting\Attachment[]'
     ];
 
     /**
@@ -67,7 +82,22 @@ class RepeatingInvoice implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'type' => null'contact' => null'schedule' => null'line_items' => null'line_amount_types' => null'reference' => null'branding_theme_id' => 'uuid''currency_code' => null'status' => null'sub_total' => 'double''total_tax' => 'double''total' => 'double''repeating_invoice_id' => 'uuid''id' => 'uuid''has_attachments' => null'attachments' => null
+        'type' => null,
+        'contact' => null,
+        'schedule' => null,
+        'line_items' => null,
+        'line_amount_types' => null,
+        'reference' => null,
+        'branding_theme_id' => 'uuid',
+        'currency_code' => null,
+        'status' => null,
+        'sub_total' => 'double',
+        'total_tax' => 'double',
+        'total' => 'double',
+        'repeating_invoice_id' => 'uuid',
+        'id' => 'uuid',
+        'has_attachments' => null,
+        'attachments' => null
     ];
 
     /**
@@ -97,7 +127,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'type' => 'Type''contact' => 'Contact''schedule' => 'Schedule''line_items' => 'LineItems''line_amount_types' => 'LineAmountTypes''reference' => 'Reference''branding_theme_id' => 'BrandingThemeID''currency_code' => 'CurrencyCode''status' => 'Status''sub_total' => 'SubTotal''total_tax' => 'TotalTax''total' => 'Total''repeating_invoice_id' => 'RepeatingInvoiceID''id' => 'ID''has_attachments' => 'HasAttachments''attachments' => 'Attachments'
+        'type' => 'Type',
+        'contact' => 'Contact',
+        'schedule' => 'Schedule',
+        'line_items' => 'LineItems',
+        'line_amount_types' => 'LineAmountTypes',
+        'reference' => 'Reference',
+        'branding_theme_id' => 'BrandingThemeID',
+        'currency_code' => 'CurrencyCode',
+        'status' => 'Status',
+        'sub_total' => 'SubTotal',
+        'total_tax' => 'TotalTax',
+        'total' => 'Total',
+        'repeating_invoice_id' => 'RepeatingInvoiceID',
+        'id' => 'ID',
+        'has_attachments' => 'HasAttachments',
+        'attachments' => 'Attachments'
     ];
 
     /**
@@ -106,7 +151,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'type' => 'setType''contact' => 'setContact''schedule' => 'setSchedule''line_items' => 'setLineItems''line_amount_types' => 'setLineAmountTypes''reference' => 'setReference''branding_theme_id' => 'setBrandingThemeId''currency_code' => 'setCurrencyCode''status' => 'setStatus''sub_total' => 'setSubTotal''total_tax' => 'setTotalTax''total' => 'setTotal''repeating_invoice_id' => 'setRepeatingInvoiceId''id' => 'setId''has_attachments' => 'setHasAttachments''attachments' => 'setAttachments'
+        'type' => 'setType',
+        'contact' => 'setContact',
+        'schedule' => 'setSchedule',
+        'line_items' => 'setLineItems',
+        'line_amount_types' => 'setLineAmountTypes',
+        'reference' => 'setReference',
+        'branding_theme_id' => 'setBrandingThemeId',
+        'currency_code' => 'setCurrencyCode',
+        'status' => 'setStatus',
+        'sub_total' => 'setSubTotal',
+        'total_tax' => 'setTotalTax',
+        'total' => 'setTotal',
+        'repeating_invoice_id' => 'setRepeatingInvoiceId',
+        'id' => 'setId',
+        'has_attachments' => 'setHasAttachments',
+        'attachments' => 'setAttachments'
     ];
 
     /**
@@ -115,7 +175,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'type' => 'getType''contact' => 'getContact''schedule' => 'getSchedule''line_items' => 'getLineItems''line_amount_types' => 'getLineAmountTypes''reference' => 'getReference''branding_theme_id' => 'getBrandingThemeId''currency_code' => 'getCurrencyCode''status' => 'getStatus''sub_total' => 'getSubTotal''total_tax' => 'getTotalTax''total' => 'getTotal''repeating_invoice_id' => 'getRepeatingInvoiceId''id' => 'getId''has_attachments' => 'getHasAttachments''attachments' => 'getAttachments'
+        'type' => 'getType',
+        'contact' => 'getContact',
+        'schedule' => 'getSchedule',
+        'line_items' => 'getLineItems',
+        'line_amount_types' => 'getLineAmountTypes',
+        'reference' => 'getReference',
+        'branding_theme_id' => 'getBrandingThemeId',
+        'currency_code' => 'getCurrencyCode',
+        'status' => 'getStatus',
+        'sub_total' => 'getSubTotal',
+        'total_tax' => 'getTotalTax',
+        'total' => 'getTotal',
+        'repeating_invoice_id' => 'getRepeatingInvoiceId',
+        'id' => 'getId',
+        'has_attachments' => 'getHasAttachments',
+        'attachments' => 'getAttachments'
     ];
 
     /**
diff --git a/lib/Models/Accounting/RepeatingInvoices.php b/lib/Models/Accounting/RepeatingInvoices.php
index 96d846e2..1ed338e7 100644
--- a/lib/Models/Accounting/RepeatingInvoices.php
+++ b/lib/Models/Accounting/RepeatingInvoices.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/Report.php b/lib/Models/Accounting/Report.php
index 205ec2d6..caeaa7ec 100644
--- a/lib/Models/Accounting/Report.php
+++ b/lib/Models/Accounting/Report.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class Report implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'report_name' => 'string''report_type' => 'string''report_title' => 'string''report_date' => 'string''updated_date_utc' => 'string''contacts' => '\XeroAPI\XeroPHP\Models\Accounting\TenNinetyNineContact[]'
+        'report_name' => 'string',
+        'report_type' => 'string',
+        'report_title' => 'string',
+        'report_date' => 'string',
+        'updated_date_utc' => 'string',
+        'contacts' => '\XeroAPI\XeroPHP\Models\Accounting\TenNinetyNineContact[]'
     ];
 
     /**
@@ -67,7 +72,12 @@ class Report implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'report_name' => null'report_type' => null'report_title' => null'report_date' => null'updated_date_utc' => null'contacts' => null
+        'report_name' => null,
+        'report_type' => null,
+        'report_title' => null,
+        'report_date' => null,
+        'updated_date_utc' => null,
+        'contacts' => null
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'report_name' => 'ReportName''report_type' => 'ReportType''report_title' => 'ReportTitle''report_date' => 'ReportDate''updated_date_utc' => 'UpdatedDateUTC''contacts' => 'Contacts'
+        'report_name' => 'ReportName',
+        'report_type' => 'ReportType',
+        'report_title' => 'ReportTitle',
+        'report_date' => 'ReportDate',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'contacts' => 'Contacts'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'report_name' => 'setReportName''report_type' => 'setReportType''report_title' => 'setReportTitle''report_date' => 'setReportDate''updated_date_utc' => 'setUpdatedDateUtc''contacts' => 'setContacts'
+        'report_name' => 'setReportName',
+        'report_type' => 'setReportType',
+        'report_title' => 'setReportTitle',
+        'report_date' => 'setReportDate',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'contacts' => 'setContacts'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'report_name' => 'getReportName''report_type' => 'getReportType''report_title' => 'getReportTitle''report_date' => 'getReportDate''updated_date_utc' => 'getUpdatedDateUtc''contacts' => 'getContacts'
+        'report_name' => 'getReportName',
+        'report_type' => 'getReportType',
+        'report_title' => 'getReportTitle',
+        'report_date' => 'getReportDate',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'contacts' => 'getContacts'
     ];
 
     /**
diff --git a/lib/Models/Accounting/ReportAttribute.php b/lib/Models/Accounting/ReportAttribute.php
index 0ab7fbca..3339a3e3 100644
--- a/lib/Models/Accounting/ReportAttribute.php
+++ b/lib/Models/Accounting/ReportAttribute.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class ReportAttribute implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'id' => 'string''value' => 'string'
+        'id' => 'string',
+        'value' => 'string'
     ];
 
     /**
@@ -67,7 +68,8 @@ class ReportAttribute implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'id' => null'value' => null
+        'id' => null,
+        'value' => null
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'id' => 'Id''value' => 'Value'
+        'id' => 'Id',
+        'value' => 'Value'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'id' => 'setId''value' => 'setValue'
+        'id' => 'setId',
+        'value' => 'setValue'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'id' => 'getId''value' => 'getValue'
+        'id' => 'getId',
+        'value' => 'getValue'
     ];
 
     /**
diff --git a/lib/Models/Accounting/ReportCell.php b/lib/Models/Accounting/ReportCell.php
index 0d26acf5..1343e15e 100644
--- a/lib/Models/Accounting/ReportCell.php
+++ b/lib/Models/Accounting/ReportCell.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class ReportCell implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'value' => 'string''attributes' => '\XeroAPI\XeroPHP\Models\Accounting\ReportAttribute[]'
+        'value' => 'string',
+        'attributes' => '\XeroAPI\XeroPHP\Models\Accounting\ReportAttribute[]'
     ];
 
     /**
@@ -67,7 +68,8 @@ class ReportCell implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'value' => null'attributes' => null
+        'value' => null,
+        'attributes' => null
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'value' => 'Value''attributes' => 'Attributes'
+        'value' => 'Value',
+        'attributes' => 'Attributes'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'value' => 'setValue''attributes' => 'setAttributes'
+        'value' => 'setValue',
+        'attributes' => 'setAttributes'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'value' => 'getValue''attributes' => 'getAttributes'
+        'value' => 'getValue',
+        'attributes' => 'getAttributes'
     ];
 
     /**
diff --git a/lib/Models/Accounting/ReportFields.php b/lib/Models/Accounting/ReportFields.php
index 37a55c10..01d8401d 100644
--- a/lib/Models/Accounting/ReportFields.php
+++ b/lib/Models/Accounting/ReportFields.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class ReportFields implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'field_id' => 'string''description' => 'string''value' => 'string'
+        'field_id' => 'string',
+        'description' => 'string',
+        'value' => 'string'
     ];
 
     /**
@@ -67,7 +69,9 @@ class ReportFields implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'field_id' => null'description' => null'value' => null
+        'field_id' => null,
+        'description' => null,
+        'value' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'field_id' => 'FieldID''description' => 'Description''value' => 'Value'
+        'field_id' => 'FieldID',
+        'description' => 'Description',
+        'value' => 'Value'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'field_id' => 'setFieldId''description' => 'setDescription''value' => 'setValue'
+        'field_id' => 'setFieldId',
+        'description' => 'setDescription',
+        'value' => 'setValue'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'field_id' => 'getFieldId''description' => 'getDescription''value' => 'getValue'
+        'field_id' => 'getFieldId',
+        'description' => 'getDescription',
+        'value' => 'getValue'
     ];
 
     /**
diff --git a/lib/Models/Accounting/ReportRow.php b/lib/Models/Accounting/ReportRow.php
index aea16c01..1fb712e9 100644
--- a/lib/Models/Accounting/ReportRow.php
+++ b/lib/Models/Accounting/ReportRow.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class ReportRow implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'row_type' => '\XeroAPI\XeroPHP\Models\Accounting\RowType''title' => 'string''cells' => '\XeroAPI\XeroPHP\Models\Accounting\ReportCell[]'
+        'row_type' => '\XeroAPI\XeroPHP\Models\Accounting\RowType',
+        'title' => 'string',
+        'cells' => '\XeroAPI\XeroPHP\Models\Accounting\ReportCell[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class ReportRow implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'row_type' => null'title' => null'cells' => null
+        'row_type' => null,
+        'title' => null,
+        'cells' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'row_type' => 'RowType''title' => 'Title''cells' => 'Cells'
+        'row_type' => 'RowType',
+        'title' => 'Title',
+        'cells' => 'Cells'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'row_type' => 'setRowType''title' => 'setTitle''cells' => 'setCells'
+        'row_type' => 'setRowType',
+        'title' => 'setTitle',
+        'cells' => 'setCells'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'row_type' => 'getRowType''title' => 'getTitle''cells' => 'getCells'
+        'row_type' => 'getRowType',
+        'title' => 'getTitle',
+        'cells' => 'getCells'
     ];
 
     /**
diff --git a/lib/Models/Accounting/ReportRows.php b/lib/Models/Accounting/ReportRows.php
index d12ec1fb..fbb5527e 100644
--- a/lib/Models/Accounting/ReportRows.php
+++ b/lib/Models/Accounting/ReportRows.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class ReportRows implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'row_type' => '\XeroAPI\XeroPHP\Models\Accounting\RowType''title' => 'string''cells' => '\XeroAPI\XeroPHP\Models\Accounting\ReportCell[]''rows' => '\XeroAPI\XeroPHP\Models\Accounting\ReportRow[]'
+        'row_type' => '\XeroAPI\XeroPHP\Models\Accounting\RowType',
+        'title' => 'string',
+        'cells' => '\XeroAPI\XeroPHP\Models\Accounting\ReportCell[]',
+        'rows' => '\XeroAPI\XeroPHP\Models\Accounting\ReportRow[]'
     ];
 
     /**
@@ -67,7 +70,10 @@ class ReportRows implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'row_type' => null'title' => null'cells' => null'rows' => null
+        'row_type' => null,
+        'title' => null,
+        'cells' => null,
+        'rows' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'row_type' => 'RowType''title' => 'Title''cells' => 'Cells''rows' => 'Rows'
+        'row_type' => 'RowType',
+        'title' => 'Title',
+        'cells' => 'Cells',
+        'rows' => 'Rows'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'row_type' => 'setRowType''title' => 'setTitle''cells' => 'setCells''rows' => 'setRows'
+        'row_type' => 'setRowType',
+        'title' => 'setTitle',
+        'cells' => 'setCells',
+        'rows' => 'setRows'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'row_type' => 'getRowType''title' => 'getTitle''cells' => 'getCells''rows' => 'getRows'
+        'row_type' => 'getRowType',
+        'title' => 'getTitle',
+        'cells' => 'getCells',
+        'rows' => 'getRows'
     ];
 
     /**
diff --git a/lib/Models/Accounting/ReportWithRow.php b/lib/Models/Accounting/ReportWithRow.php
index 0dfeff8c..7667dcfa 100644
--- a/lib/Models/Accounting/ReportWithRow.php
+++ b/lib/Models/Accounting/ReportWithRow.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,15 @@ class ReportWithRow implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'report_id' => 'string''report_name' => 'string''report_title' => 'string''report_type' => 'string''report_titles' => 'string[]''report_date' => 'string''rows' => '\XeroAPI\XeroPHP\Models\Accounting\ReportRows[]''updated_date_utc' => 'string''fields' => '\XeroAPI\XeroPHP\Models\Accounting\ReportFields[]'
+        'report_id' => 'string',
+        'report_name' => 'string',
+        'report_title' => 'string',
+        'report_type' => 'string',
+        'report_titles' => 'string[]',
+        'report_date' => 'string',
+        'rows' => '\XeroAPI\XeroPHP\Models\Accounting\ReportRows[]',
+        'updated_date_utc' => 'string',
+        'fields' => '\XeroAPI\XeroPHP\Models\Accounting\ReportFields[]'
     ];
 
     /**
@@ -67,7 +75,15 @@ class ReportWithRow implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'report_id' => null'report_name' => null'report_title' => null'report_type' => null'report_titles' => null'report_date' => null'rows' => null'updated_date_utc' => null'fields' => null
+        'report_id' => null,
+        'report_name' => null,
+        'report_title' => null,
+        'report_type' => null,
+        'report_titles' => null,
+        'report_date' => null,
+        'rows' => null,
+        'updated_date_utc' => null,
+        'fields' => null
     ];
 
     /**
@@ -97,7 +113,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'report_id' => 'ReportID''report_name' => 'ReportName''report_title' => 'ReportTitle''report_type' => 'ReportType''report_titles' => 'ReportTitles''report_date' => 'ReportDate''rows' => 'Rows''updated_date_utc' => 'UpdatedDateUTC''fields' => 'Fields'
+        'report_id' => 'ReportID',
+        'report_name' => 'ReportName',
+        'report_title' => 'ReportTitle',
+        'report_type' => 'ReportType',
+        'report_titles' => 'ReportTitles',
+        'report_date' => 'ReportDate',
+        'rows' => 'Rows',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'fields' => 'Fields'
     ];
 
     /**
@@ -106,7 +130,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'report_id' => 'setReportId''report_name' => 'setReportName''report_title' => 'setReportTitle''report_type' => 'setReportType''report_titles' => 'setReportTitles''report_date' => 'setReportDate''rows' => 'setRows''updated_date_utc' => 'setUpdatedDateUtc''fields' => 'setFields'
+        'report_id' => 'setReportId',
+        'report_name' => 'setReportName',
+        'report_title' => 'setReportTitle',
+        'report_type' => 'setReportType',
+        'report_titles' => 'setReportTitles',
+        'report_date' => 'setReportDate',
+        'rows' => 'setRows',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'fields' => 'setFields'
     ];
 
     /**
@@ -115,7 +147,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'report_id' => 'getReportId''report_name' => 'getReportName''report_title' => 'getReportTitle''report_type' => 'getReportType''report_titles' => 'getReportTitles''report_date' => 'getReportDate''rows' => 'getRows''updated_date_utc' => 'getUpdatedDateUtc''fields' => 'getFields'
+        'report_id' => 'getReportId',
+        'report_name' => 'getReportName',
+        'report_title' => 'getReportTitle',
+        'report_type' => 'getReportType',
+        'report_titles' => 'getReportTitles',
+        'report_date' => 'getReportDate',
+        'rows' => 'getRows',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'fields' => 'getFields'
     ];
 
     /**
diff --git a/lib/Models/Accounting/ReportWithRows.php b/lib/Models/Accounting/ReportWithRows.php
index 51333d19..e540f33e 100644
--- a/lib/Models/Accounting/ReportWithRows.php
+++ b/lib/Models/Accounting/ReportWithRows.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/Reports.php b/lib/Models/Accounting/Reports.php
index b554765e..f31a2307 100644
--- a/lib/Models/Accounting/Reports.php
+++ b/lib/Models/Accounting/Reports.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/RequestEmpty.php b/lib/Models/Accounting/RequestEmpty.php
index 311ba4c1..e399b8eb 100644
--- a/lib/Models/Accounting/RequestEmpty.php
+++ b/lib/Models/Accounting/RequestEmpty.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/RowType.php b/lib/Models/Accounting/RowType.php
index 0f88f32e..62207fa8 100644
--- a/lib/Models/Accounting/RowType.php
+++ b/lib/Models/Accounting/RowType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/SalesTrackingCategory.php b/lib/Models/Accounting/SalesTrackingCategory.php
index b61c61f1..15acb254 100644
--- a/lib/Models/Accounting/SalesTrackingCategory.php
+++ b/lib/Models/Accounting/SalesTrackingCategory.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class SalesTrackingCategory implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'tracking_category_name' => 'string''tracking_option_name' => 'string'
+        'tracking_category_name' => 'string',
+        'tracking_option_name' => 'string'
     ];
 
     /**
@@ -67,7 +68,8 @@ class SalesTrackingCategory implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'tracking_category_name' => null'tracking_option_name' => null
+        'tracking_category_name' => null,
+        'tracking_option_name' => null
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'tracking_category_name' => 'TrackingCategoryName''tracking_option_name' => 'TrackingOptionName'
+        'tracking_category_name' => 'TrackingCategoryName',
+        'tracking_option_name' => 'TrackingOptionName'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'tracking_category_name' => 'setTrackingCategoryName''tracking_option_name' => 'setTrackingOptionName'
+        'tracking_category_name' => 'setTrackingCategoryName',
+        'tracking_option_name' => 'setTrackingOptionName'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'tracking_category_name' => 'getTrackingCategoryName''tracking_option_name' => 'getTrackingOptionName'
+        'tracking_category_name' => 'getTrackingCategoryName',
+        'tracking_option_name' => 'getTrackingOptionName'
     ];
 
     /**
diff --git a/lib/Models/Accounting/Schedule.php b/lib/Models/Accounting/Schedule.php
index 409028cd..6ab4b4e1 100644
--- a/lib/Models/Accounting/Schedule.php
+++ b/lib/Models/Accounting/Schedule.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,13 @@ class Schedule implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'period' => 'int''unit' => 'string''due_date' => 'int''due_date_type' => 'string''start_date' => 'string''next_scheduled_date' => 'string''end_date' => 'string'
+        'period' => 'int',
+        'unit' => 'string',
+        'due_date' => 'int',
+        'due_date_type' => 'string',
+        'start_date' => 'string',
+        'next_scheduled_date' => 'string',
+        'end_date' => 'string'
     ];
 
     /**
@@ -67,7 +73,13 @@ class Schedule implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'period' => null'unit' => null'due_date' => null'due_date_type' => null'start_date' => null'next_scheduled_date' => null'end_date' => null
+        'period' => null,
+        'unit' => null,
+        'due_date' => null,
+        'due_date_type' => null,
+        'start_date' => null,
+        'next_scheduled_date' => null,
+        'end_date' => null
     ];
 
     /**
@@ -97,7 +109,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'period' => 'Period''unit' => 'Unit''due_date' => 'DueDate''due_date_type' => 'DueDateType''start_date' => 'StartDate''next_scheduled_date' => 'NextScheduledDate''end_date' => 'EndDate'
+        'period' => 'Period',
+        'unit' => 'Unit',
+        'due_date' => 'DueDate',
+        'due_date_type' => 'DueDateType',
+        'start_date' => 'StartDate',
+        'next_scheduled_date' => 'NextScheduledDate',
+        'end_date' => 'EndDate'
     ];
 
     /**
@@ -106,7 +124,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'period' => 'setPeriod''unit' => 'setUnit''due_date' => 'setDueDate''due_date_type' => 'setDueDateType''start_date' => 'setStartDate''next_scheduled_date' => 'setNextScheduledDate''end_date' => 'setEndDate'
+        'period' => 'setPeriod',
+        'unit' => 'setUnit',
+        'due_date' => 'setDueDate',
+        'due_date_type' => 'setDueDateType',
+        'start_date' => 'setStartDate',
+        'next_scheduled_date' => 'setNextScheduledDate',
+        'end_date' => 'setEndDate'
     ];
 
     /**
@@ -115,7 +139,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'period' => 'getPeriod''unit' => 'getUnit''due_date' => 'getDueDate''due_date_type' => 'getDueDateType''start_date' => 'getStartDate''next_scheduled_date' => 'getNextScheduledDate''end_date' => 'getEndDate'
+        'period' => 'getPeriod',
+        'unit' => 'getUnit',
+        'due_date' => 'getDueDate',
+        'due_date_type' => 'getDueDateType',
+        'start_date' => 'getStartDate',
+        'next_scheduled_date' => 'getNextScheduledDate',
+        'end_date' => 'getEndDate'
     ];
 
     /**
diff --git a/lib/Models/Accounting/Setup.php b/lib/Models/Accounting/Setup.php
index 04e35a43..615d8cd5 100644
--- a/lib/Models/Accounting/Setup.php
+++ b/lib/Models/Accounting/Setup.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class Setup implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'conversion_date' => '\XeroAPI\XeroPHP\Models\Accounting\ConversionDate''conversion_balances' => '\XeroAPI\XeroPHP\Models\Accounting\ConversionBalances[]''accounts' => '\XeroAPI\XeroPHP\Models\Accounting\Account[]'
+        'conversion_date' => '\XeroAPI\XeroPHP\Models\Accounting\ConversionDate',
+        'conversion_balances' => '\XeroAPI\XeroPHP\Models\Accounting\ConversionBalances[]',
+        'accounts' => '\XeroAPI\XeroPHP\Models\Accounting\Account[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class Setup implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'conversion_date' => null'conversion_balances' => null'accounts' => null
+        'conversion_date' => null,
+        'conversion_balances' => null,
+        'accounts' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'conversion_date' => 'ConversionDate''conversion_balances' => 'ConversionBalances''accounts' => 'Accounts'
+        'conversion_date' => 'ConversionDate',
+        'conversion_balances' => 'ConversionBalances',
+        'accounts' => 'Accounts'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'conversion_date' => 'setConversionDate''conversion_balances' => 'setConversionBalances''accounts' => 'setAccounts'
+        'conversion_date' => 'setConversionDate',
+        'conversion_balances' => 'setConversionBalances',
+        'accounts' => 'setAccounts'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'conversion_date' => 'getConversionDate''conversion_balances' => 'getConversionBalances''accounts' => 'getAccounts'
+        'conversion_date' => 'getConversionDate',
+        'conversion_balances' => 'getConversionBalances',
+        'accounts' => 'getAccounts'
     ];
 
     /**
diff --git a/lib/Models/Accounting/TaxComponent.php b/lib/Models/Accounting/TaxComponent.php
index f2f36aeb..4c88b407 100644
--- a/lib/Models/Accounting/TaxComponent.php
+++ b/lib/Models/Accounting/TaxComponent.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class TaxComponent implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string''rate' => 'double''is_compound' => 'bool''is_non_recoverable' => 'bool'
+        'name' => 'string',
+        'rate' => 'double',
+        'is_compound' => 'bool',
+        'is_non_recoverable' => 'bool'
     ];
 
     /**
@@ -67,7 +70,10 @@ class TaxComponent implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null'rate' => 'double''is_compound' => null'is_non_recoverable' => null
+        'name' => null,
+        'rate' => 'double',
+        'is_compound' => null,
+        'is_non_recoverable' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'Name''rate' => 'Rate''is_compound' => 'IsCompound''is_non_recoverable' => 'IsNonRecoverable'
+        'name' => 'Name',
+        'rate' => 'Rate',
+        'is_compound' => 'IsCompound',
+        'is_non_recoverable' => 'IsNonRecoverable'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName''rate' => 'setRate''is_compound' => 'setIsCompound''is_non_recoverable' => 'setIsNonRecoverable'
+        'name' => 'setName',
+        'rate' => 'setRate',
+        'is_compound' => 'setIsCompound',
+        'is_non_recoverable' => 'setIsNonRecoverable'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName''rate' => 'getRate''is_compound' => 'getIsCompound''is_non_recoverable' => 'getIsNonRecoverable'
+        'name' => 'getName',
+        'rate' => 'getRate',
+        'is_compound' => 'getIsCompound',
+        'is_non_recoverable' => 'getIsNonRecoverable'
     ];
 
     /**
diff --git a/lib/Models/Accounting/TaxRate.php b/lib/Models/Accounting/TaxRate.php
index a197e31e..1256549c 100644
--- a/lib/Models/Accounting/TaxRate.php
+++ b/lib/Models/Accounting/TaxRate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,18 @@ class TaxRate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string''tax_type' => 'string''tax_components' => '\XeroAPI\XeroPHP\Models\Accounting\TaxComponent[]''status' => 'string''report_tax_type' => 'string''can_apply_to_assets' => 'bool''can_apply_to_equity' => 'bool''can_apply_to_expenses' => 'bool''can_apply_to_liabilities' => 'bool''can_apply_to_revenue' => 'bool''display_tax_rate' => 'double''effective_rate' => 'double'
+        'name' => 'string',
+        'tax_type' => 'string',
+        'tax_components' => '\XeroAPI\XeroPHP\Models\Accounting\TaxComponent[]',
+        'status' => 'string',
+        'report_tax_type' => 'string',
+        'can_apply_to_assets' => 'bool',
+        'can_apply_to_equity' => 'bool',
+        'can_apply_to_expenses' => 'bool',
+        'can_apply_to_liabilities' => 'bool',
+        'can_apply_to_revenue' => 'bool',
+        'display_tax_rate' => 'double',
+        'effective_rate' => 'double'
     ];
 
     /**
@@ -67,7 +78,18 @@ class TaxRate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null'tax_type' => null'tax_components' => null'status' => null'report_tax_type' => null'can_apply_to_assets' => null'can_apply_to_equity' => null'can_apply_to_expenses' => null'can_apply_to_liabilities' => null'can_apply_to_revenue' => null'display_tax_rate' => 'double''effective_rate' => 'double'
+        'name' => null,
+        'tax_type' => null,
+        'tax_components' => null,
+        'status' => null,
+        'report_tax_type' => null,
+        'can_apply_to_assets' => null,
+        'can_apply_to_equity' => null,
+        'can_apply_to_expenses' => null,
+        'can_apply_to_liabilities' => null,
+        'can_apply_to_revenue' => null,
+        'display_tax_rate' => 'double',
+        'effective_rate' => 'double'
     ];
 
     /**
@@ -97,7 +119,18 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'Name''tax_type' => 'TaxType''tax_components' => 'TaxComponents''status' => 'Status''report_tax_type' => 'ReportTaxType''can_apply_to_assets' => 'CanApplyToAssets''can_apply_to_equity' => 'CanApplyToEquity''can_apply_to_expenses' => 'CanApplyToExpenses''can_apply_to_liabilities' => 'CanApplyToLiabilities''can_apply_to_revenue' => 'CanApplyToRevenue''display_tax_rate' => 'DisplayTaxRate''effective_rate' => 'EffectiveRate'
+        'name' => 'Name',
+        'tax_type' => 'TaxType',
+        'tax_components' => 'TaxComponents',
+        'status' => 'Status',
+        'report_tax_type' => 'ReportTaxType',
+        'can_apply_to_assets' => 'CanApplyToAssets',
+        'can_apply_to_equity' => 'CanApplyToEquity',
+        'can_apply_to_expenses' => 'CanApplyToExpenses',
+        'can_apply_to_liabilities' => 'CanApplyToLiabilities',
+        'can_apply_to_revenue' => 'CanApplyToRevenue',
+        'display_tax_rate' => 'DisplayTaxRate',
+        'effective_rate' => 'EffectiveRate'
     ];
 
     /**
@@ -106,7 +139,18 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName''tax_type' => 'setTaxType''tax_components' => 'setTaxComponents''status' => 'setStatus''report_tax_type' => 'setReportTaxType''can_apply_to_assets' => 'setCanApplyToAssets''can_apply_to_equity' => 'setCanApplyToEquity''can_apply_to_expenses' => 'setCanApplyToExpenses''can_apply_to_liabilities' => 'setCanApplyToLiabilities''can_apply_to_revenue' => 'setCanApplyToRevenue''display_tax_rate' => 'setDisplayTaxRate''effective_rate' => 'setEffectiveRate'
+        'name' => 'setName',
+        'tax_type' => 'setTaxType',
+        'tax_components' => 'setTaxComponents',
+        'status' => 'setStatus',
+        'report_tax_type' => 'setReportTaxType',
+        'can_apply_to_assets' => 'setCanApplyToAssets',
+        'can_apply_to_equity' => 'setCanApplyToEquity',
+        'can_apply_to_expenses' => 'setCanApplyToExpenses',
+        'can_apply_to_liabilities' => 'setCanApplyToLiabilities',
+        'can_apply_to_revenue' => 'setCanApplyToRevenue',
+        'display_tax_rate' => 'setDisplayTaxRate',
+        'effective_rate' => 'setEffectiveRate'
     ];
 
     /**
@@ -115,7 +159,18 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName''tax_type' => 'getTaxType''tax_components' => 'getTaxComponents''status' => 'getStatus''report_tax_type' => 'getReportTaxType''can_apply_to_assets' => 'getCanApplyToAssets''can_apply_to_equity' => 'getCanApplyToEquity''can_apply_to_expenses' => 'getCanApplyToExpenses''can_apply_to_liabilities' => 'getCanApplyToLiabilities''can_apply_to_revenue' => 'getCanApplyToRevenue''display_tax_rate' => 'getDisplayTaxRate''effective_rate' => 'getEffectiveRate'
+        'name' => 'getName',
+        'tax_type' => 'getTaxType',
+        'tax_components' => 'getTaxComponents',
+        'status' => 'getStatus',
+        'report_tax_type' => 'getReportTaxType',
+        'can_apply_to_assets' => 'getCanApplyToAssets',
+        'can_apply_to_equity' => 'getCanApplyToEquity',
+        'can_apply_to_expenses' => 'getCanApplyToExpenses',
+        'can_apply_to_liabilities' => 'getCanApplyToLiabilities',
+        'can_apply_to_revenue' => 'getCanApplyToRevenue',
+        'display_tax_rate' => 'getDisplayTaxRate',
+        'effective_rate' => 'getEffectiveRate'
     ];
 
     /**
diff --git a/lib/Models/Accounting/TaxRates.php b/lib/Models/Accounting/TaxRates.php
index 544b9f40..6e07a9e2 100644
--- a/lib/Models/Accounting/TaxRates.php
+++ b/lib/Models/Accounting/TaxRates.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/TaxType.php b/lib/Models/Accounting/TaxType.php
index bb7d5382..648e2eab 100644
--- a/lib/Models/Accounting/TaxType.php
+++ b/lib/Models/Accounting/TaxType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/TenNinetyNineContact.php b/lib/Models/Accounting/TenNinetyNineContact.php
index 921cfd77..389df1fe 100644
--- a/lib/Models/Accounting/TenNinetyNineContact.php
+++ b/lib/Models/Accounting/TenNinetyNineContact.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,28 @@ class TenNinetyNineContact implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'box1' => 'double''box2' => 'double''box3' => 'double''box4' => 'double''box5' => 'double''box6' => 'double''box7' => 'double''box8' => 'double''box9' => 'double''box10' => 'double''box11' => 'double''box13' => 'double''box14' => 'double''name' => 'string''federal_tax_id_type' => 'string''city' => 'string''zip' => 'string''state' => 'string''email' => 'string''street_address' => 'string''tax_id' => 'string''contact_id' => 'string'
+        'box1' => 'double',
+        'box2' => 'double',
+        'box3' => 'double',
+        'box4' => 'double',
+        'box5' => 'double',
+        'box6' => 'double',
+        'box7' => 'double',
+        'box8' => 'double',
+        'box9' => 'double',
+        'box10' => 'double',
+        'box11' => 'double',
+        'box13' => 'double',
+        'box14' => 'double',
+        'name' => 'string',
+        'federal_tax_id_type' => 'string',
+        'city' => 'string',
+        'zip' => 'string',
+        'state' => 'string',
+        'email' => 'string',
+        'street_address' => 'string',
+        'tax_id' => 'string',
+        'contact_id' => 'string'
     ];
 
     /**
@@ -67,7 +88,28 @@ class TenNinetyNineContact implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'box1' => 'double''box2' => 'double''box3' => 'double''box4' => 'double''box5' => 'double''box6' => 'double''box7' => 'double''box8' => 'double''box9' => 'double''box10' => 'double''box11' => 'double''box13' => 'double''box14' => 'double''name' => null'federal_tax_id_type' => null'city' => null'zip' => null'state' => null'email' => null'street_address' => null'tax_id' => null'contact_id' => 'uuid'
+        'box1' => 'double',
+        'box2' => 'double',
+        'box3' => 'double',
+        'box4' => 'double',
+        'box5' => 'double',
+        'box6' => 'double',
+        'box7' => 'double',
+        'box8' => 'double',
+        'box9' => 'double',
+        'box10' => 'double',
+        'box11' => 'double',
+        'box13' => 'double',
+        'box14' => 'double',
+        'name' => null,
+        'federal_tax_id_type' => null,
+        'city' => null,
+        'zip' => null,
+        'state' => null,
+        'email' => null,
+        'street_address' => null,
+        'tax_id' => null,
+        'contact_id' => 'uuid'
     ];
 
     /**
@@ -97,7 +139,28 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'box1' => 'Box1''box2' => 'Box2''box3' => 'Box3''box4' => 'Box4''box5' => 'Box5''box6' => 'Box6''box7' => 'Box7''box8' => 'Box8''box9' => 'Box9''box10' => 'Box10''box11' => 'Box11''box13' => 'Box13''box14' => 'Box14''name' => 'Name''federal_tax_id_type' => 'FederalTaxIDType''city' => 'City''zip' => 'Zip''state' => 'State''email' => 'Email''street_address' => 'StreetAddress''tax_id' => 'TaxID''contact_id' => 'ContactId'
+        'box1' => 'Box1',
+        'box2' => 'Box2',
+        'box3' => 'Box3',
+        'box4' => 'Box4',
+        'box5' => 'Box5',
+        'box6' => 'Box6',
+        'box7' => 'Box7',
+        'box8' => 'Box8',
+        'box9' => 'Box9',
+        'box10' => 'Box10',
+        'box11' => 'Box11',
+        'box13' => 'Box13',
+        'box14' => 'Box14',
+        'name' => 'Name',
+        'federal_tax_id_type' => 'FederalTaxIDType',
+        'city' => 'City',
+        'zip' => 'Zip',
+        'state' => 'State',
+        'email' => 'Email',
+        'street_address' => 'StreetAddress',
+        'tax_id' => 'TaxID',
+        'contact_id' => 'ContactId'
     ];
 
     /**
@@ -106,7 +169,28 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'box1' => 'setBox1''box2' => 'setBox2''box3' => 'setBox3''box4' => 'setBox4''box5' => 'setBox5''box6' => 'setBox6''box7' => 'setBox7''box8' => 'setBox8''box9' => 'setBox9''box10' => 'setBox10''box11' => 'setBox11''box13' => 'setBox13''box14' => 'setBox14''name' => 'setName''federal_tax_id_type' => 'setFederalTaxIdType''city' => 'setCity''zip' => 'setZip''state' => 'setState''email' => 'setEmail''street_address' => 'setStreetAddress''tax_id' => 'setTaxId''contact_id' => 'setContactId'
+        'box1' => 'setBox1',
+        'box2' => 'setBox2',
+        'box3' => 'setBox3',
+        'box4' => 'setBox4',
+        'box5' => 'setBox5',
+        'box6' => 'setBox6',
+        'box7' => 'setBox7',
+        'box8' => 'setBox8',
+        'box9' => 'setBox9',
+        'box10' => 'setBox10',
+        'box11' => 'setBox11',
+        'box13' => 'setBox13',
+        'box14' => 'setBox14',
+        'name' => 'setName',
+        'federal_tax_id_type' => 'setFederalTaxIdType',
+        'city' => 'setCity',
+        'zip' => 'setZip',
+        'state' => 'setState',
+        'email' => 'setEmail',
+        'street_address' => 'setStreetAddress',
+        'tax_id' => 'setTaxId',
+        'contact_id' => 'setContactId'
     ];
 
     /**
@@ -115,7 +199,28 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'box1' => 'getBox1''box2' => 'getBox2''box3' => 'getBox3''box4' => 'getBox4''box5' => 'getBox5''box6' => 'getBox6''box7' => 'getBox7''box8' => 'getBox8''box9' => 'getBox9''box10' => 'getBox10''box11' => 'getBox11''box13' => 'getBox13''box14' => 'getBox14''name' => 'getName''federal_tax_id_type' => 'getFederalTaxIdType''city' => 'getCity''zip' => 'getZip''state' => 'getState''email' => 'getEmail''street_address' => 'getStreetAddress''tax_id' => 'getTaxId''contact_id' => 'getContactId'
+        'box1' => 'getBox1',
+        'box2' => 'getBox2',
+        'box3' => 'getBox3',
+        'box4' => 'getBox4',
+        'box5' => 'getBox5',
+        'box6' => 'getBox6',
+        'box7' => 'getBox7',
+        'box8' => 'getBox8',
+        'box9' => 'getBox9',
+        'box10' => 'getBox10',
+        'box11' => 'getBox11',
+        'box13' => 'getBox13',
+        'box14' => 'getBox14',
+        'name' => 'getName',
+        'federal_tax_id_type' => 'getFederalTaxIdType',
+        'city' => 'getCity',
+        'zip' => 'getZip',
+        'state' => 'getState',
+        'email' => 'getEmail',
+        'street_address' => 'getStreetAddress',
+        'tax_id' => 'getTaxId',
+        'contact_id' => 'getContactId'
     ];
 
     /**
diff --git a/lib/Models/Accounting/TimeZone.php b/lib/Models/Accounting/TimeZone.php
index ec82fd81..6879afc6 100644
--- a/lib/Models/Accounting/TimeZone.php
+++ b/lib/Models/Accounting/TimeZone.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/TrackingCategories.php b/lib/Models/Accounting/TrackingCategories.php
index c79b07ff..39866de8 100644
--- a/lib/Models/Accounting/TrackingCategories.php
+++ b/lib/Models/Accounting/TrackingCategories.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/TrackingCategory.php b/lib/Models/Accounting/TrackingCategory.php
index 3c097c06..29474d8a 100644
--- a/lib/Models/Accounting/TrackingCategory.php
+++ b/lib/Models/Accounting/TrackingCategory.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class TrackingCategory implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'tracking_category_id' => 'string''tracking_option_id' => 'string''name' => 'string''option' => 'string''status' => 'string''options' => '\XeroAPI\XeroPHP\Models\Accounting\TrackingOption[]'
+        'tracking_category_id' => 'string',
+        'tracking_option_id' => 'string',
+        'name' => 'string',
+        'option' => 'string',
+        'status' => 'string',
+        'options' => '\XeroAPI\XeroPHP\Models\Accounting\TrackingOption[]'
     ];
 
     /**
@@ -67,7 +72,12 @@ class TrackingCategory implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'tracking_category_id' => 'uuid''tracking_option_id' => 'uuid''name' => null'option' => null'status' => null'options' => null
+        'tracking_category_id' => 'uuid',
+        'tracking_option_id' => 'uuid',
+        'name' => null,
+        'option' => null,
+        'status' => null,
+        'options' => null
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'tracking_category_id' => 'TrackingCategoryID''tracking_option_id' => 'TrackingOptionID''name' => 'Name''option' => 'Option''status' => 'Status''options' => 'Options'
+        'tracking_category_id' => 'TrackingCategoryID',
+        'tracking_option_id' => 'TrackingOptionID',
+        'name' => 'Name',
+        'option' => 'Option',
+        'status' => 'Status',
+        'options' => 'Options'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'tracking_category_id' => 'setTrackingCategoryId''tracking_option_id' => 'setTrackingOptionId''name' => 'setName''option' => 'setOption''status' => 'setStatus''options' => 'setOptions'
+        'tracking_category_id' => 'setTrackingCategoryId',
+        'tracking_option_id' => 'setTrackingOptionId',
+        'name' => 'setName',
+        'option' => 'setOption',
+        'status' => 'setStatus',
+        'options' => 'setOptions'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'tracking_category_id' => 'getTrackingCategoryId''tracking_option_id' => 'getTrackingOptionId''name' => 'getName''option' => 'getOption''status' => 'getStatus''options' => 'getOptions'
+        'tracking_category_id' => 'getTrackingCategoryId',
+        'tracking_option_id' => 'getTrackingOptionId',
+        'name' => 'getName',
+        'option' => 'getOption',
+        'status' => 'getStatus',
+        'options' => 'getOptions'
     ];
 
     /**
diff --git a/lib/Models/Accounting/TrackingOption.php b/lib/Models/Accounting/TrackingOption.php
index b0663b40..9b5ed721 100644
--- a/lib/Models/Accounting/TrackingOption.php
+++ b/lib/Models/Accounting/TrackingOption.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class TrackingOption implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'tracking_option_id' => 'string''name' => 'string''status' => 'string''tracking_category_id' => 'string'
+        'tracking_option_id' => 'string',
+        'name' => 'string',
+        'status' => 'string',
+        'tracking_category_id' => 'string'
     ];
 
     /**
@@ -67,7 +70,10 @@ class TrackingOption implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'tracking_option_id' => 'uuid''name' => null'status' => null'tracking_category_id' => 'uuid'
+        'tracking_option_id' => 'uuid',
+        'name' => null,
+        'status' => null,
+        'tracking_category_id' => 'uuid'
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'tracking_option_id' => 'TrackingOptionID''name' => 'Name''status' => 'Status''tracking_category_id' => 'TrackingCategoryID'
+        'tracking_option_id' => 'TrackingOptionID',
+        'name' => 'Name',
+        'status' => 'Status',
+        'tracking_category_id' => 'TrackingCategoryID'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'tracking_option_id' => 'setTrackingOptionId''name' => 'setName''status' => 'setStatus''tracking_category_id' => 'setTrackingCategoryId'
+        'tracking_option_id' => 'setTrackingOptionId',
+        'name' => 'setName',
+        'status' => 'setStatus',
+        'tracking_category_id' => 'setTrackingCategoryId'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'tracking_option_id' => 'getTrackingOptionId''name' => 'getName''status' => 'getStatus''tracking_category_id' => 'getTrackingCategoryId'
+        'tracking_option_id' => 'getTrackingOptionId',
+        'name' => 'getName',
+        'status' => 'getStatus',
+        'tracking_category_id' => 'getTrackingCategoryId'
     ];
 
     /**
diff --git a/lib/Models/Accounting/TrackingOptions.php b/lib/Models/Accounting/TrackingOptions.php
index a7614d7f..2649df1e 100644
--- a/lib/Models/Accounting/TrackingOptions.php
+++ b/lib/Models/Accounting/TrackingOptions.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/User.php b/lib/Models/Accounting/User.php
index 30652f2b..9299eb2a 100644
--- a/lib/Models/Accounting/User.php
+++ b/lib/Models/Accounting/User.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,13 @@ class User implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'user_id' => 'string''email_address' => 'string''first_name' => 'string''last_name' => 'string''updated_date_utc' => 'string''is_subscriber' => 'bool''organisation_role' => 'string'
+        'user_id' => 'string',
+        'email_address' => 'string',
+        'first_name' => 'string',
+        'last_name' => 'string',
+        'updated_date_utc' => 'string',
+        'is_subscriber' => 'bool',
+        'organisation_role' => 'string'
     ];
 
     /**
@@ -67,7 +73,13 @@ class User implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'user_id' => 'uuid''email_address' => null'first_name' => null'last_name' => null'updated_date_utc' => null'is_subscriber' => null'organisation_role' => null
+        'user_id' => 'uuid',
+        'email_address' => null,
+        'first_name' => null,
+        'last_name' => null,
+        'updated_date_utc' => null,
+        'is_subscriber' => null,
+        'organisation_role' => null
     ];
 
     /**
@@ -97,7 +109,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'user_id' => 'UserID''email_address' => 'EmailAddress''first_name' => 'FirstName''last_name' => 'LastName''updated_date_utc' => 'UpdatedDateUTC''is_subscriber' => 'IsSubscriber''organisation_role' => 'OrganisationRole'
+        'user_id' => 'UserID',
+        'email_address' => 'EmailAddress',
+        'first_name' => 'FirstName',
+        'last_name' => 'LastName',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'is_subscriber' => 'IsSubscriber',
+        'organisation_role' => 'OrganisationRole'
     ];
 
     /**
@@ -106,7 +124,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'user_id' => 'setUserId''email_address' => 'setEmailAddress''first_name' => 'setFirstName''last_name' => 'setLastName''updated_date_utc' => 'setUpdatedDateUtc''is_subscriber' => 'setIsSubscriber''organisation_role' => 'setOrganisationRole'
+        'user_id' => 'setUserId',
+        'email_address' => 'setEmailAddress',
+        'first_name' => 'setFirstName',
+        'last_name' => 'setLastName',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'is_subscriber' => 'setIsSubscriber',
+        'organisation_role' => 'setOrganisationRole'
     ];
 
     /**
@@ -115,7 +139,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'user_id' => 'getUserId''email_address' => 'getEmailAddress''first_name' => 'getFirstName''last_name' => 'getLastName''updated_date_utc' => 'getUpdatedDateUtc''is_subscriber' => 'getIsSubscriber''organisation_role' => 'getOrganisationRole'
+        'user_id' => 'getUserId',
+        'email_address' => 'getEmailAddress',
+        'first_name' => 'getFirstName',
+        'last_name' => 'getLastName',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'is_subscriber' => 'getIsSubscriber',
+        'organisation_role' => 'getOrganisationRole'
     ];
 
     /**
diff --git a/lib/Models/Accounting/Users.php b/lib/Models/Accounting/Users.php
index 19185c4d..418e03a2 100644
--- a/lib/Models/Accounting/Users.php
+++ b/lib/Models/Accounting/Users.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Accounting/ValidationError.php b/lib/Models/Accounting/ValidationError.php
index 6c6fc13e..20eed104 100644
--- a/lib/Models/Accounting/ValidationError.php
+++ b/lib/Models/Accounting/ValidationError.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/AppStore/ModelInterface.php b/lib/Models/AppStore/ModelInterface.php
index c13660f2..6cbbb19b 100644
--- a/lib/Models/AppStore/ModelInterface.php
+++ b/lib/Models/AppStore/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/AppStore/Plan.php b/lib/Models/AppStore/Plan.php
index 9581e689..0c036283 100644
--- a/lib/Models/AppStore/Plan.php
+++ b/lib/Models/AppStore/Plan.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class Plan implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'id' => 'string''name' => 'string''status' => 'string''subscription_items' => '\XeroAPI\XeroPHP\Models\AppStore\SubscriptionItem[]'
+        'id' => 'string',
+        'name' => 'string',
+        'status' => 'string',
+        'subscription_items' => '\XeroAPI\XeroPHP\Models\AppStore\SubscriptionItem[]'
     ];
 
     /**
@@ -67,7 +70,10 @@ class Plan implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'id' => 'uuid''name' => null'status' => null'subscription_items' => null
+        'id' => 'uuid',
+        'name' => null,
+        'status' => null,
+        'subscription_items' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'id' => 'id''name' => 'name''status' => 'status''subscription_items' => 'subscriptionItems'
+        'id' => 'id',
+        'name' => 'name',
+        'status' => 'status',
+        'subscription_items' => 'subscriptionItems'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'id' => 'setId''name' => 'setName''status' => 'setStatus''subscription_items' => 'setSubscriptionItems'
+        'id' => 'setId',
+        'name' => 'setName',
+        'status' => 'setStatus',
+        'subscription_items' => 'setSubscriptionItems'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'id' => 'getId''name' => 'getName''status' => 'getStatus''subscription_items' => 'getSubscriptionItems'
+        'id' => 'getId',
+        'name' => 'getName',
+        'status' => 'getStatus',
+        'subscription_items' => 'getSubscriptionItems'
     ];
 
     /**
diff --git a/lib/Models/AppStore/Price.php b/lib/Models/AppStore/Price.php
index 21ec9751..cb465355 100644
--- a/lib/Models/AppStore/Price.php
+++ b/lib/Models/AppStore/Price.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class Price implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'amount' => 'double''currency' => 'string''id' => 'string'
+        'amount' => 'double',
+        'currency' => 'string',
+        'id' => 'string'
     ];
 
     /**
@@ -67,7 +69,9 @@ class Price implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'amount' => 'double''currency' => null'id' => 'uuid'
+        'amount' => 'double',
+        'currency' => null,
+        'id' => 'uuid'
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'amount' => 'amount''currency' => 'currency''id' => 'id'
+        'amount' => 'amount',
+        'currency' => 'currency',
+        'id' => 'id'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'amount' => 'setAmount''currency' => 'setCurrency''id' => 'setId'
+        'amount' => 'setAmount',
+        'currency' => 'setCurrency',
+        'id' => 'setId'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'amount' => 'getAmount''currency' => 'getCurrency''id' => 'getId'
+        'amount' => 'getAmount',
+        'currency' => 'getCurrency',
+        'id' => 'getId'
     ];
 
     /**
diff --git a/lib/Models/AppStore/ProblemDetails.php b/lib/Models/AppStore/ProblemDetails.php
index e978adde..0308d176 100644
--- a/lib/Models/AppStore/ProblemDetails.php
+++ b/lib/Models/AppStore/ProblemDetails.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class ProblemDetails implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'detail' => 'string''extensions' => 'object''instance' => 'string''status' => 'int''title' => 'string''type' => 'string'
+        'detail' => 'string',
+        'extensions' => 'object',
+        'instance' => 'string',
+        'status' => 'int',
+        'title' => 'string',
+        'type' => 'string'
     ];
 
     /**
@@ -67,7 +72,12 @@ class ProblemDetails implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'detail' => null'extensions' => null'instance' => null'status' => null'title' => null'type' => null
+        'detail' => null,
+        'extensions' => null,
+        'instance' => null,
+        'status' => null,
+        'title' => null,
+        'type' => null
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'detail' => 'detail''extensions' => 'extensions''instance' => 'instance''status' => 'status''title' => 'title''type' => 'type'
+        'detail' => 'detail',
+        'extensions' => 'extensions',
+        'instance' => 'instance',
+        'status' => 'status',
+        'title' => 'title',
+        'type' => 'type'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'detail' => 'setDetail''extensions' => 'setExtensions''instance' => 'setInstance''status' => 'setStatus''title' => 'setTitle''type' => 'setType'
+        'detail' => 'setDetail',
+        'extensions' => 'setExtensions',
+        'instance' => 'setInstance',
+        'status' => 'setStatus',
+        'title' => 'setTitle',
+        'type' => 'setType'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'detail' => 'getDetail''extensions' => 'getExtensions''instance' => 'getInstance''status' => 'getStatus''title' => 'getTitle''type' => 'getType'
+        'detail' => 'getDetail',
+        'extensions' => 'getExtensions',
+        'instance' => 'getInstance',
+        'status' => 'getStatus',
+        'title' => 'getTitle',
+        'type' => 'getType'
     ];
 
     /**
diff --git a/lib/Models/AppStore/Product.php b/lib/Models/AppStore/Product.php
index 15aab8bd..becee252 100644
--- a/lib/Models/AppStore/Product.php
+++ b/lib/Models/AppStore/Product.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class Product implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'id' => 'string''name' => 'string''seat_unit' => 'string''type' => 'string''usage_unit' => 'string'
+        'id' => 'string',
+        'name' => 'string',
+        'seat_unit' => 'string',
+        'type' => 'string',
+        'usage_unit' => 'string'
     ];
 
     /**
@@ -67,7 +71,11 @@ class Product implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'id' => 'uuid''name' => null'seat_unit' => null'type' => null'usage_unit' => null
+        'id' => 'uuid',
+        'name' => null,
+        'seat_unit' => null,
+        'type' => null,
+        'usage_unit' => null
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'id' => 'id''name' => 'name''seat_unit' => 'seatUnit''type' => 'type''usage_unit' => 'usageUnit'
+        'id' => 'id',
+        'name' => 'name',
+        'seat_unit' => 'seatUnit',
+        'type' => 'type',
+        'usage_unit' => 'usageUnit'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'id' => 'setId''name' => 'setName''seat_unit' => 'setSeatUnit''type' => 'setType''usage_unit' => 'setUsageUnit'
+        'id' => 'setId',
+        'name' => 'setName',
+        'seat_unit' => 'setSeatUnit',
+        'type' => 'setType',
+        'usage_unit' => 'setUsageUnit'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'id' => 'getId''name' => 'getName''seat_unit' => 'getSeatUnit''type' => 'getType''usage_unit' => 'getUsageUnit'
+        'id' => 'getId',
+        'name' => 'getName',
+        'seat_unit' => 'getSeatUnit',
+        'type' => 'getType',
+        'usage_unit' => 'getUsageUnit'
     ];
 
     /**
diff --git a/lib/Models/AppStore/Subscription.php b/lib/Models/AppStore/Subscription.php
index 5831c95f..60fbc688 100644
--- a/lib/Models/AppStore/Subscription.php
+++ b/lib/Models/AppStore/Subscription.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,14 @@ class Subscription implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'current_period_end' => '\DateTime''end_date' => '\DateTime''id' => 'string''organisation_id' => 'string''plans' => '\XeroAPI\XeroPHP\Models\AppStore\Plan[]''start_date' => '\DateTime''status' => 'string''test_mode' => 'bool'
+        'current_period_end' => '\DateTime',
+        'end_date' => '\DateTime',
+        'id' => 'string',
+        'organisation_id' => 'string',
+        'plans' => '\XeroAPI\XeroPHP\Models\AppStore\Plan[]',
+        'start_date' => '\DateTime',
+        'status' => 'string',
+        'test_mode' => 'bool'
     ];
 
     /**
@@ -67,7 +74,14 @@ class Subscription implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'current_period_end' => 'date-time''end_date' => 'date-time''id' => 'uuid''organisation_id' => 'uuid''plans' => null'start_date' => 'date-time''status' => null'test_mode' => null
+        'current_period_end' => 'date-time',
+        'end_date' => 'date-time',
+        'id' => 'uuid',
+        'organisation_id' => 'uuid',
+        'plans' => null,
+        'start_date' => 'date-time',
+        'status' => null,
+        'test_mode' => null
     ];
 
     /**
@@ -97,7 +111,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'current_period_end' => 'currentPeriodEnd''end_date' => 'endDate''id' => 'id''organisation_id' => 'organisationId''plans' => 'plans''start_date' => 'startDate''status' => 'status''test_mode' => 'testMode'
+        'current_period_end' => 'currentPeriodEnd',
+        'end_date' => 'endDate',
+        'id' => 'id',
+        'organisation_id' => 'organisationId',
+        'plans' => 'plans',
+        'start_date' => 'startDate',
+        'status' => 'status',
+        'test_mode' => 'testMode'
     ];
 
     /**
@@ -106,7 +127,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'current_period_end' => 'setCurrentPeriodEnd''end_date' => 'setEndDate''id' => 'setId''organisation_id' => 'setOrganisationId''plans' => 'setPlans''start_date' => 'setStartDate''status' => 'setStatus''test_mode' => 'setTestMode'
+        'current_period_end' => 'setCurrentPeriodEnd',
+        'end_date' => 'setEndDate',
+        'id' => 'setId',
+        'organisation_id' => 'setOrganisationId',
+        'plans' => 'setPlans',
+        'start_date' => 'setStartDate',
+        'status' => 'setStatus',
+        'test_mode' => 'setTestMode'
     ];
 
     /**
@@ -115,7 +143,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'current_period_end' => 'getCurrentPeriodEnd''end_date' => 'getEndDate''id' => 'getId''organisation_id' => 'getOrganisationId''plans' => 'getPlans''start_date' => 'getStartDate''status' => 'getStatus''test_mode' => 'getTestMode'
+        'current_period_end' => 'getCurrentPeriodEnd',
+        'end_date' => 'getEndDate',
+        'id' => 'getId',
+        'organisation_id' => 'getOrganisationId',
+        'plans' => 'getPlans',
+        'start_date' => 'getStartDate',
+        'status' => 'getStatus',
+        'test_mode' => 'getTestMode'
     ];
 
     /**
diff --git a/lib/Models/AppStore/SubscriptionItem.php b/lib/Models/AppStore/SubscriptionItem.php
index 3c2c4a8e..d7f53e55 100644
--- a/lib/Models/AppStore/SubscriptionItem.php
+++ b/lib/Models/AppStore/SubscriptionItem.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,14 @@ class SubscriptionItem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'end_date' => '\DateTime''id' => 'string''price' => '\XeroAPI\XeroPHP\Models\AppStore\Price''product' => '\XeroAPI\XeroPHP\Models\AppStore\Product''quantity' => 'int''start_date' => '\DateTime''status' => 'string''test_mode' => 'bool'
+        'end_date' => '\DateTime',
+        'id' => 'string',
+        'price' => '\XeroAPI\XeroPHP\Models\AppStore\Price',
+        'product' => '\XeroAPI\XeroPHP\Models\AppStore\Product',
+        'quantity' => 'int',
+        'start_date' => '\DateTime',
+        'status' => 'string',
+        'test_mode' => 'bool'
     ];
 
     /**
@@ -67,7 +74,14 @@ class SubscriptionItem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'end_date' => 'date-time''id' => 'uuid''price' => null'product' => null'quantity' => null'start_date' => 'date-time''status' => null'test_mode' => null
+        'end_date' => 'date-time',
+        'id' => 'uuid',
+        'price' => null,
+        'product' => null,
+        'quantity' => null,
+        'start_date' => 'date-time',
+        'status' => null,
+        'test_mode' => null
     ];
 
     /**
@@ -97,7 +111,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'end_date' => 'endDate''id' => 'id''price' => 'price''product' => 'product''quantity' => 'quantity''start_date' => 'startDate''status' => 'status''test_mode' => 'testMode'
+        'end_date' => 'endDate',
+        'id' => 'id',
+        'price' => 'price',
+        'product' => 'product',
+        'quantity' => 'quantity',
+        'start_date' => 'startDate',
+        'status' => 'status',
+        'test_mode' => 'testMode'
     ];
 
     /**
@@ -106,7 +127,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'end_date' => 'setEndDate''id' => 'setId''price' => 'setPrice''product' => 'setProduct''quantity' => 'setQuantity''start_date' => 'setStartDate''status' => 'setStatus''test_mode' => 'setTestMode'
+        'end_date' => 'setEndDate',
+        'id' => 'setId',
+        'price' => 'setPrice',
+        'product' => 'setProduct',
+        'quantity' => 'setQuantity',
+        'start_date' => 'setStartDate',
+        'status' => 'setStatus',
+        'test_mode' => 'setTestMode'
     ];
 
     /**
@@ -115,7 +143,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'end_date' => 'getEndDate''id' => 'getId''price' => 'getPrice''product' => 'getProduct''quantity' => 'getQuantity''start_date' => 'getStartDate''status' => 'getStatus''test_mode' => 'getTestMode'
+        'end_date' => 'getEndDate',
+        'id' => 'getId',
+        'price' => 'getPrice',
+        'product' => 'getProduct',
+        'quantity' => 'getQuantity',
+        'start_date' => 'getStartDate',
+        'status' => 'getStatus',
+        'test_mode' => 'getTestMode'
     ];
 
     /**
diff --git a/lib/Models/Asset/Asset.php b/lib/Models/Asset/Asset.php
index 4df2bd90..1326dc7f 100644
--- a/lib/Models/Asset/Asset.php
+++ b/lib/Models/Asset/Asset.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,22 @@ class Asset implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'asset_id' => 'string''asset_name' => 'string''asset_type_id' => 'string''asset_number' => 'string''purchase_date' => '\DateTime''purchase_price' => 'double''disposal_date' => '\DateTime''disposal_price' => 'double''asset_status' => '\XeroAPI\XeroPHP\Models\Asset\AssetStatus''warranty_expiry_date' => 'string''serial_number' => 'string''book_depreciation_setting' => '\XeroAPI\XeroPHP\Models\Asset\BookDepreciationSetting''book_depreciation_detail' => '\XeroAPI\XeroPHP\Models\Asset\BookDepreciationDetail''can_rollback' => 'bool''accounting_book_value' => 'double''is_delete_enabled_for_date' => 'bool'
+        'asset_id' => 'string',
+        'asset_name' => 'string',
+        'asset_type_id' => 'string',
+        'asset_number' => 'string',
+        'purchase_date' => '\DateTime',
+        'purchase_price' => 'double',
+        'disposal_date' => '\DateTime',
+        'disposal_price' => 'double',
+        'asset_status' => '\XeroAPI\XeroPHP\Models\Asset\AssetStatus',
+        'warranty_expiry_date' => 'string',
+        'serial_number' => 'string',
+        'book_depreciation_setting' => '\XeroAPI\XeroPHP\Models\Asset\BookDepreciationSetting',
+        'book_depreciation_detail' => '\XeroAPI\XeroPHP\Models\Asset\BookDepreciationDetail',
+        'can_rollback' => 'bool',
+        'accounting_book_value' => 'double',
+        'is_delete_enabled_for_date' => 'bool'
     ];
 
     /**
@@ -67,7 +82,22 @@ class Asset implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'asset_id' => 'uuid''asset_name' => null'asset_type_id' => 'uuid''asset_number' => null'purchase_date' => 'date''purchase_price' => 'double''disposal_date' => 'date''disposal_price' => 'double''asset_status' => null'warranty_expiry_date' => null'serial_number' => null'book_depreciation_setting' => null'book_depreciation_detail' => null'can_rollback' => null'accounting_book_value' => 'double''is_delete_enabled_for_date' => null
+        'asset_id' => 'uuid',
+        'asset_name' => null,
+        'asset_type_id' => 'uuid',
+        'asset_number' => null,
+        'purchase_date' => 'date',
+        'purchase_price' => 'double',
+        'disposal_date' => 'date',
+        'disposal_price' => 'double',
+        'asset_status' => null,
+        'warranty_expiry_date' => null,
+        'serial_number' => null,
+        'book_depreciation_setting' => null,
+        'book_depreciation_detail' => null,
+        'can_rollback' => null,
+        'accounting_book_value' => 'double',
+        'is_delete_enabled_for_date' => null
     ];
 
     /**
@@ -97,7 +127,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'asset_id' => 'assetId''asset_name' => 'assetName''asset_type_id' => 'assetTypeId''asset_number' => 'assetNumber''purchase_date' => 'purchaseDate''purchase_price' => 'purchasePrice''disposal_date' => 'disposalDate''disposal_price' => 'disposalPrice''asset_status' => 'assetStatus''warranty_expiry_date' => 'warrantyExpiryDate''serial_number' => 'serialNumber''book_depreciation_setting' => 'bookDepreciationSetting''book_depreciation_detail' => 'bookDepreciationDetail''can_rollback' => 'canRollback''accounting_book_value' => 'accountingBookValue''is_delete_enabled_for_date' => 'isDeleteEnabledForDate'
+        'asset_id' => 'assetId',
+        'asset_name' => 'assetName',
+        'asset_type_id' => 'assetTypeId',
+        'asset_number' => 'assetNumber',
+        'purchase_date' => 'purchaseDate',
+        'purchase_price' => 'purchasePrice',
+        'disposal_date' => 'disposalDate',
+        'disposal_price' => 'disposalPrice',
+        'asset_status' => 'assetStatus',
+        'warranty_expiry_date' => 'warrantyExpiryDate',
+        'serial_number' => 'serialNumber',
+        'book_depreciation_setting' => 'bookDepreciationSetting',
+        'book_depreciation_detail' => 'bookDepreciationDetail',
+        'can_rollback' => 'canRollback',
+        'accounting_book_value' => 'accountingBookValue',
+        'is_delete_enabled_for_date' => 'isDeleteEnabledForDate'
     ];
 
     /**
@@ -106,7 +151,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'asset_id' => 'setAssetId''asset_name' => 'setAssetName''asset_type_id' => 'setAssetTypeId''asset_number' => 'setAssetNumber''purchase_date' => 'setPurchaseDate''purchase_price' => 'setPurchasePrice''disposal_date' => 'setDisposalDate''disposal_price' => 'setDisposalPrice''asset_status' => 'setAssetStatus''warranty_expiry_date' => 'setWarrantyExpiryDate''serial_number' => 'setSerialNumber''book_depreciation_setting' => 'setBookDepreciationSetting''book_depreciation_detail' => 'setBookDepreciationDetail''can_rollback' => 'setCanRollback''accounting_book_value' => 'setAccountingBookValue''is_delete_enabled_for_date' => 'setIsDeleteEnabledForDate'
+        'asset_id' => 'setAssetId',
+        'asset_name' => 'setAssetName',
+        'asset_type_id' => 'setAssetTypeId',
+        'asset_number' => 'setAssetNumber',
+        'purchase_date' => 'setPurchaseDate',
+        'purchase_price' => 'setPurchasePrice',
+        'disposal_date' => 'setDisposalDate',
+        'disposal_price' => 'setDisposalPrice',
+        'asset_status' => 'setAssetStatus',
+        'warranty_expiry_date' => 'setWarrantyExpiryDate',
+        'serial_number' => 'setSerialNumber',
+        'book_depreciation_setting' => 'setBookDepreciationSetting',
+        'book_depreciation_detail' => 'setBookDepreciationDetail',
+        'can_rollback' => 'setCanRollback',
+        'accounting_book_value' => 'setAccountingBookValue',
+        'is_delete_enabled_for_date' => 'setIsDeleteEnabledForDate'
     ];
 
     /**
@@ -115,7 +175,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'asset_id' => 'getAssetId''asset_name' => 'getAssetName''asset_type_id' => 'getAssetTypeId''asset_number' => 'getAssetNumber''purchase_date' => 'getPurchaseDate''purchase_price' => 'getPurchasePrice''disposal_date' => 'getDisposalDate''disposal_price' => 'getDisposalPrice''asset_status' => 'getAssetStatus''warranty_expiry_date' => 'getWarrantyExpiryDate''serial_number' => 'getSerialNumber''book_depreciation_setting' => 'getBookDepreciationSetting''book_depreciation_detail' => 'getBookDepreciationDetail''can_rollback' => 'getCanRollback''accounting_book_value' => 'getAccountingBookValue''is_delete_enabled_for_date' => 'getIsDeleteEnabledForDate'
+        'asset_id' => 'getAssetId',
+        'asset_name' => 'getAssetName',
+        'asset_type_id' => 'getAssetTypeId',
+        'asset_number' => 'getAssetNumber',
+        'purchase_date' => 'getPurchaseDate',
+        'purchase_price' => 'getPurchasePrice',
+        'disposal_date' => 'getDisposalDate',
+        'disposal_price' => 'getDisposalPrice',
+        'asset_status' => 'getAssetStatus',
+        'warranty_expiry_date' => 'getWarrantyExpiryDate',
+        'serial_number' => 'getSerialNumber',
+        'book_depreciation_setting' => 'getBookDepreciationSetting',
+        'book_depreciation_detail' => 'getBookDepreciationDetail',
+        'can_rollback' => 'getCanRollback',
+        'accounting_book_value' => 'getAccountingBookValue',
+        'is_delete_enabled_for_date' => 'getIsDeleteEnabledForDate'
     ];
 
     /**
diff --git a/lib/Models/Asset/AssetStatus.php b/lib/Models/Asset/AssetStatus.php
index f061a703..b65fb95f 100644
--- a/lib/Models/Asset/AssetStatus.php
+++ b/lib/Models/Asset/AssetStatus.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Asset/AssetStatusQueryParam.php b/lib/Models/Asset/AssetStatusQueryParam.php
index f85932f9..a6648090 100644
--- a/lib/Models/Asset/AssetStatusQueryParam.php
+++ b/lib/Models/Asset/AssetStatusQueryParam.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Asset/AssetType.php b/lib/Models/Asset/AssetType.php
index 3786826f..6ab7f297 100644
--- a/lib/Models/Asset/AssetType.php
+++ b/lib/Models/Asset/AssetType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,13 @@ class AssetType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'asset_type_id' => 'string''asset_type_name' => 'string''fixed_asset_account_id' => 'string''depreciation_expense_account_id' => 'string''accumulated_depreciation_account_id' => 'string''book_depreciation_setting' => '\XeroAPI\XeroPHP\Models\Asset\BookDepreciationSetting''locks' => 'int'
+        'asset_type_id' => 'string',
+        'asset_type_name' => 'string',
+        'fixed_asset_account_id' => 'string',
+        'depreciation_expense_account_id' => 'string',
+        'accumulated_depreciation_account_id' => 'string',
+        'book_depreciation_setting' => '\XeroAPI\XeroPHP\Models\Asset\BookDepreciationSetting',
+        'locks' => 'int'
     ];
 
     /**
@@ -67,7 +73,13 @@ class AssetType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'asset_type_id' => 'uuid''asset_type_name' => null'fixed_asset_account_id' => 'uuid''depreciation_expense_account_id' => 'uuid''accumulated_depreciation_account_id' => 'uuid''book_depreciation_setting' => null'locks' => null
+        'asset_type_id' => 'uuid',
+        'asset_type_name' => null,
+        'fixed_asset_account_id' => 'uuid',
+        'depreciation_expense_account_id' => 'uuid',
+        'accumulated_depreciation_account_id' => 'uuid',
+        'book_depreciation_setting' => null,
+        'locks' => null
     ];
 
     /**
@@ -97,7 +109,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'asset_type_id' => 'assetTypeId''asset_type_name' => 'assetTypeName''fixed_asset_account_id' => 'fixedAssetAccountId''depreciation_expense_account_id' => 'depreciationExpenseAccountId''accumulated_depreciation_account_id' => 'accumulatedDepreciationAccountId''book_depreciation_setting' => 'bookDepreciationSetting''locks' => 'locks'
+        'asset_type_id' => 'assetTypeId',
+        'asset_type_name' => 'assetTypeName',
+        'fixed_asset_account_id' => 'fixedAssetAccountId',
+        'depreciation_expense_account_id' => 'depreciationExpenseAccountId',
+        'accumulated_depreciation_account_id' => 'accumulatedDepreciationAccountId',
+        'book_depreciation_setting' => 'bookDepreciationSetting',
+        'locks' => 'locks'
     ];
 
     /**
@@ -106,7 +124,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'asset_type_id' => 'setAssetTypeId''asset_type_name' => 'setAssetTypeName''fixed_asset_account_id' => 'setFixedAssetAccountId''depreciation_expense_account_id' => 'setDepreciationExpenseAccountId''accumulated_depreciation_account_id' => 'setAccumulatedDepreciationAccountId''book_depreciation_setting' => 'setBookDepreciationSetting''locks' => 'setLocks'
+        'asset_type_id' => 'setAssetTypeId',
+        'asset_type_name' => 'setAssetTypeName',
+        'fixed_asset_account_id' => 'setFixedAssetAccountId',
+        'depreciation_expense_account_id' => 'setDepreciationExpenseAccountId',
+        'accumulated_depreciation_account_id' => 'setAccumulatedDepreciationAccountId',
+        'book_depreciation_setting' => 'setBookDepreciationSetting',
+        'locks' => 'setLocks'
     ];
 
     /**
@@ -115,7 +139,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'asset_type_id' => 'getAssetTypeId''asset_type_name' => 'getAssetTypeName''fixed_asset_account_id' => 'getFixedAssetAccountId''depreciation_expense_account_id' => 'getDepreciationExpenseAccountId''accumulated_depreciation_account_id' => 'getAccumulatedDepreciationAccountId''book_depreciation_setting' => 'getBookDepreciationSetting''locks' => 'getLocks'
+        'asset_type_id' => 'getAssetTypeId',
+        'asset_type_name' => 'getAssetTypeName',
+        'fixed_asset_account_id' => 'getFixedAssetAccountId',
+        'depreciation_expense_account_id' => 'getDepreciationExpenseAccountId',
+        'accumulated_depreciation_account_id' => 'getAccumulatedDepreciationAccountId',
+        'book_depreciation_setting' => 'getBookDepreciationSetting',
+        'locks' => 'getLocks'
     ];
 
     /**
diff --git a/lib/Models/Asset/Assets.php b/lib/Models/Asset/Assets.php
index 376b5cf5..d7a0f1b9 100644
--- a/lib/Models/Asset/Assets.php
+++ b/lib/Models/Asset/Assets.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class Assets implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\Asset\Pagination''items' => '\XeroAPI\XeroPHP\Models\Asset\Asset[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\Asset\Pagination',
+        'items' => '\XeroAPI\XeroPHP\Models\Asset\Asset[]'
     ];
 
     /**
@@ -67,7 +68,8 @@ class Assets implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'items' => null
+        'pagination' => null,
+        'items' => null
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''items' => 'items'
+        'pagination' => 'pagination',
+        'items' => 'items'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''items' => 'setItems'
+        'pagination' => 'setPagination',
+        'items' => 'setItems'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''items' => 'getItems'
+        'pagination' => 'getPagination',
+        'items' => 'getItems'
     ];
 
     /**
diff --git a/lib/Models/Asset/BookDepreciationDetail.php b/lib/Models/Asset/BookDepreciationDetail.php
index c1efb802..8fcce4d7 100644
--- a/lib/Models/Asset/BookDepreciationDetail.php
+++ b/lib/Models/Asset/BookDepreciationDetail.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,13 @@ class BookDepreciationDetail implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'current_capital_gain' => 'double''current_gain_loss' => 'double''depreciation_start_date' => '\DateTime''cost_limit' => 'double''residual_value' => 'double''prior_accum_depreciation_amount' => 'double''current_accum_depreciation_amount' => 'double'
+        'current_capital_gain' => 'double',
+        'current_gain_loss' => 'double',
+        'depreciation_start_date' => '\DateTime',
+        'cost_limit' => 'double',
+        'residual_value' => 'double',
+        'prior_accum_depreciation_amount' => 'double',
+        'current_accum_depreciation_amount' => 'double'
     ];
 
     /**
@@ -67,7 +73,13 @@ class BookDepreciationDetail implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'current_capital_gain' => 'double''current_gain_loss' => 'double''depreciation_start_date' => 'date''cost_limit' => 'double''residual_value' => 'double''prior_accum_depreciation_amount' => 'double''current_accum_depreciation_amount' => 'double'
+        'current_capital_gain' => 'double',
+        'current_gain_loss' => 'double',
+        'depreciation_start_date' => 'date',
+        'cost_limit' => 'double',
+        'residual_value' => 'double',
+        'prior_accum_depreciation_amount' => 'double',
+        'current_accum_depreciation_amount' => 'double'
     ];
 
     /**
@@ -97,7 +109,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'current_capital_gain' => 'currentCapitalGain''current_gain_loss' => 'currentGainLoss''depreciation_start_date' => 'depreciationStartDate''cost_limit' => 'costLimit''residual_value' => 'residualValue''prior_accum_depreciation_amount' => 'priorAccumDepreciationAmount''current_accum_depreciation_amount' => 'currentAccumDepreciationAmount'
+        'current_capital_gain' => 'currentCapitalGain',
+        'current_gain_loss' => 'currentGainLoss',
+        'depreciation_start_date' => 'depreciationStartDate',
+        'cost_limit' => 'costLimit',
+        'residual_value' => 'residualValue',
+        'prior_accum_depreciation_amount' => 'priorAccumDepreciationAmount',
+        'current_accum_depreciation_amount' => 'currentAccumDepreciationAmount'
     ];
 
     /**
@@ -106,7 +124,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'current_capital_gain' => 'setCurrentCapitalGain''current_gain_loss' => 'setCurrentGainLoss''depreciation_start_date' => 'setDepreciationStartDate''cost_limit' => 'setCostLimit''residual_value' => 'setResidualValue''prior_accum_depreciation_amount' => 'setPriorAccumDepreciationAmount''current_accum_depreciation_amount' => 'setCurrentAccumDepreciationAmount'
+        'current_capital_gain' => 'setCurrentCapitalGain',
+        'current_gain_loss' => 'setCurrentGainLoss',
+        'depreciation_start_date' => 'setDepreciationStartDate',
+        'cost_limit' => 'setCostLimit',
+        'residual_value' => 'setResidualValue',
+        'prior_accum_depreciation_amount' => 'setPriorAccumDepreciationAmount',
+        'current_accum_depreciation_amount' => 'setCurrentAccumDepreciationAmount'
     ];
 
     /**
@@ -115,7 +139,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'current_capital_gain' => 'getCurrentCapitalGain''current_gain_loss' => 'getCurrentGainLoss''depreciation_start_date' => 'getDepreciationStartDate''cost_limit' => 'getCostLimit''residual_value' => 'getResidualValue''prior_accum_depreciation_amount' => 'getPriorAccumDepreciationAmount''current_accum_depreciation_amount' => 'getCurrentAccumDepreciationAmount'
+        'current_capital_gain' => 'getCurrentCapitalGain',
+        'current_gain_loss' => 'getCurrentGainLoss',
+        'depreciation_start_date' => 'getDepreciationStartDate',
+        'cost_limit' => 'getCostLimit',
+        'residual_value' => 'getResidualValue',
+        'prior_accum_depreciation_amount' => 'getPriorAccumDepreciationAmount',
+        'current_accum_depreciation_amount' => 'getCurrentAccumDepreciationAmount'
     ];
 
     /**
diff --git a/lib/Models/Asset/BookDepreciationSetting.php b/lib/Models/Asset/BookDepreciationSetting.php
index 30d0862d..78cdeed3 100644
--- a/lib/Models/Asset/BookDepreciationSetting.php
+++ b/lib/Models/Asset/BookDepreciationSetting.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,14 @@ class BookDepreciationSetting implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'depreciation_method' => 'string''averaging_method' => 'string''depreciation_rate' => 'double''effective_life_years' => 'int''depreciation_calculation_method' => 'string''depreciable_object_id' => 'string''depreciable_object_type' => 'string''book_effective_date_of_change_id' => 'string'
+        'depreciation_method' => 'string',
+        'averaging_method' => 'string',
+        'depreciation_rate' => 'double',
+        'effective_life_years' => 'int',
+        'depreciation_calculation_method' => 'string',
+        'depreciable_object_id' => 'string',
+        'depreciable_object_type' => 'string',
+        'book_effective_date_of_change_id' => 'string'
     ];
 
     /**
@@ -67,7 +74,14 @@ class BookDepreciationSetting implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'depreciation_method' => null'averaging_method' => null'depreciation_rate' => 'double''effective_life_years' => null'depreciation_calculation_method' => null'depreciable_object_id' => 'uuid''depreciable_object_type' => null'book_effective_date_of_change_id' => 'uuid'
+        'depreciation_method' => null,
+        'averaging_method' => null,
+        'depreciation_rate' => 'double',
+        'effective_life_years' => null,
+        'depreciation_calculation_method' => null,
+        'depreciable_object_id' => 'uuid',
+        'depreciable_object_type' => null,
+        'book_effective_date_of_change_id' => 'uuid'
     ];
 
     /**
@@ -97,7 +111,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'depreciation_method' => 'depreciationMethod''averaging_method' => 'averagingMethod''depreciation_rate' => 'depreciationRate''effective_life_years' => 'effectiveLifeYears''depreciation_calculation_method' => 'depreciationCalculationMethod''depreciable_object_id' => 'depreciableObjectId''depreciable_object_type' => 'depreciableObjectType''book_effective_date_of_change_id' => 'bookEffectiveDateOfChangeId'
+        'depreciation_method' => 'depreciationMethod',
+        'averaging_method' => 'averagingMethod',
+        'depreciation_rate' => 'depreciationRate',
+        'effective_life_years' => 'effectiveLifeYears',
+        'depreciation_calculation_method' => 'depreciationCalculationMethod',
+        'depreciable_object_id' => 'depreciableObjectId',
+        'depreciable_object_type' => 'depreciableObjectType',
+        'book_effective_date_of_change_id' => 'bookEffectiveDateOfChangeId'
     ];
 
     /**
@@ -106,7 +127,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'depreciation_method' => 'setDepreciationMethod''averaging_method' => 'setAveragingMethod''depreciation_rate' => 'setDepreciationRate''effective_life_years' => 'setEffectiveLifeYears''depreciation_calculation_method' => 'setDepreciationCalculationMethod''depreciable_object_id' => 'setDepreciableObjectId''depreciable_object_type' => 'setDepreciableObjectType''book_effective_date_of_change_id' => 'setBookEffectiveDateOfChangeId'
+        'depreciation_method' => 'setDepreciationMethod',
+        'averaging_method' => 'setAveragingMethod',
+        'depreciation_rate' => 'setDepreciationRate',
+        'effective_life_years' => 'setEffectiveLifeYears',
+        'depreciation_calculation_method' => 'setDepreciationCalculationMethod',
+        'depreciable_object_id' => 'setDepreciableObjectId',
+        'depreciable_object_type' => 'setDepreciableObjectType',
+        'book_effective_date_of_change_id' => 'setBookEffectiveDateOfChangeId'
     ];
 
     /**
@@ -115,7 +143,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'depreciation_method' => 'getDepreciationMethod''averaging_method' => 'getAveragingMethod''depreciation_rate' => 'getDepreciationRate''effective_life_years' => 'getEffectiveLifeYears''depreciation_calculation_method' => 'getDepreciationCalculationMethod''depreciable_object_id' => 'getDepreciableObjectId''depreciable_object_type' => 'getDepreciableObjectType''book_effective_date_of_change_id' => 'getBookEffectiveDateOfChangeId'
+        'depreciation_method' => 'getDepreciationMethod',
+        'averaging_method' => 'getAveragingMethod',
+        'depreciation_rate' => 'getDepreciationRate',
+        'effective_life_years' => 'getEffectiveLifeYears',
+        'depreciation_calculation_method' => 'getDepreciationCalculationMethod',
+        'depreciable_object_id' => 'getDepreciableObjectId',
+        'depreciable_object_type' => 'getDepreciableObjectType',
+        'book_effective_date_of_change_id' => 'getBookEffectiveDateOfChangeId'
     ];
 
     /**
diff --git a/lib/Models/Asset/Error.php b/lib/Models/Asset/Error.php
index b6307d94..198c86f6 100644
--- a/lib/Models/Asset/Error.php
+++ b/lib/Models/Asset/Error.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class Error implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'resource_validation_errors' => '\XeroAPI\XeroPHP\Models\Asset\ResourceValidationErrorsElement[]''field_validation_errors' => '\XeroAPI\XeroPHP\Models\Asset\FieldValidationErrorsElement[]''type' => 'string''title' => 'string''detail' => 'string'
+        'resource_validation_errors' => '\XeroAPI\XeroPHP\Models\Asset\ResourceValidationErrorsElement[]',
+        'field_validation_errors' => '\XeroAPI\XeroPHP\Models\Asset\FieldValidationErrorsElement[]',
+        'type' => 'string',
+        'title' => 'string',
+        'detail' => 'string'
     ];
 
     /**
@@ -67,7 +71,11 @@ class Error implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'resource_validation_errors' => null'field_validation_errors' => null'type' => null'title' => null'detail' => null
+        'resource_validation_errors' => null,
+        'field_validation_errors' => null,
+        'type' => null,
+        'title' => null,
+        'detail' => null
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'resource_validation_errors' => 'resourceValidationErrors''field_validation_errors' => 'fieldValidationErrors''type' => 'type''title' => 'title''detail' => 'detail'
+        'resource_validation_errors' => 'resourceValidationErrors',
+        'field_validation_errors' => 'fieldValidationErrors',
+        'type' => 'type',
+        'title' => 'title',
+        'detail' => 'detail'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'resource_validation_errors' => 'setResourceValidationErrors''field_validation_errors' => 'setFieldValidationErrors''type' => 'setType''title' => 'setTitle''detail' => 'setDetail'
+        'resource_validation_errors' => 'setResourceValidationErrors',
+        'field_validation_errors' => 'setFieldValidationErrors',
+        'type' => 'setType',
+        'title' => 'setTitle',
+        'detail' => 'setDetail'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'resource_validation_errors' => 'getResourceValidationErrors''field_validation_errors' => 'getFieldValidationErrors''type' => 'getType''title' => 'getTitle''detail' => 'getDetail'
+        'resource_validation_errors' => 'getResourceValidationErrors',
+        'field_validation_errors' => 'getFieldValidationErrors',
+        'type' => 'getType',
+        'title' => 'getTitle',
+        'detail' => 'getDetail'
     ];
 
     /**
diff --git a/lib/Models/Asset/FieldValidationErrorsElement.php b/lib/Models/Asset/FieldValidationErrorsElement.php
index cef049ff..60ec2592 100644
--- a/lib/Models/Asset/FieldValidationErrorsElement.php
+++ b/lib/Models/Asset/FieldValidationErrorsElement.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class FieldValidationErrorsElement implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'field_name' => 'string''value_provided' => 'string''localised_message' => 'string''type' => 'string''title' => 'string''detail' => 'string'
+        'field_name' => 'string',
+        'value_provided' => 'string',
+        'localised_message' => 'string',
+        'type' => 'string',
+        'title' => 'string',
+        'detail' => 'string'
     ];
 
     /**
@@ -67,7 +72,12 @@ class FieldValidationErrorsElement implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'field_name' => null'value_provided' => null'localised_message' => null'type' => null'title' => null'detail' => null
+        'field_name' => null,
+        'value_provided' => null,
+        'localised_message' => null,
+        'type' => null,
+        'title' => null,
+        'detail' => null
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'field_name' => 'fieldName''value_provided' => 'valueProvided''localised_message' => 'localisedMessage''type' => 'type''title' => 'title''detail' => 'detail'
+        'field_name' => 'fieldName',
+        'value_provided' => 'valueProvided',
+        'localised_message' => 'localisedMessage',
+        'type' => 'type',
+        'title' => 'title',
+        'detail' => 'detail'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'field_name' => 'setFieldName''value_provided' => 'setValueProvided''localised_message' => 'setLocalisedMessage''type' => 'setType''title' => 'setTitle''detail' => 'setDetail'
+        'field_name' => 'setFieldName',
+        'value_provided' => 'setValueProvided',
+        'localised_message' => 'setLocalisedMessage',
+        'type' => 'setType',
+        'title' => 'setTitle',
+        'detail' => 'setDetail'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'field_name' => 'getFieldName''value_provided' => 'getValueProvided''localised_message' => 'getLocalisedMessage''type' => 'getType''title' => 'getTitle''detail' => 'getDetail'
+        'field_name' => 'getFieldName',
+        'value_provided' => 'getValueProvided',
+        'localised_message' => 'getLocalisedMessage',
+        'type' => 'getType',
+        'title' => 'getTitle',
+        'detail' => 'getDetail'
     ];
 
     /**
diff --git a/lib/Models/Asset/ModelInterface.php b/lib/Models/Asset/ModelInterface.php
index 65661f7d..af8d8d1b 100644
--- a/lib/Models/Asset/ModelInterface.php
+++ b/lib/Models/Asset/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Asset/Pagination.php b/lib/Models/Asset/Pagination.php
index 94889d7f..5c883e2e 100644
--- a/lib/Models/Asset/Pagination.php
+++ b/lib/Models/Asset/Pagination.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class Pagination implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'page' => 'int''page_size' => 'int''page_count' => 'int''item_count' => 'int'
+        'page' => 'int',
+        'page_size' => 'int',
+        'page_count' => 'int',
+        'item_count' => 'int'
     ];
 
     /**
@@ -67,7 +70,10 @@ class Pagination implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'page' => null'page_size' => null'page_count' => null'item_count' => null
+        'page' => null,
+        'page_size' => null,
+        'page_count' => null,
+        'item_count' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'page' => 'page''page_size' => 'pageSize''page_count' => 'pageCount''item_count' => 'itemCount'
+        'page' => 'page',
+        'page_size' => 'pageSize',
+        'page_count' => 'pageCount',
+        'item_count' => 'itemCount'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'page' => 'setPage''page_size' => 'setPageSize''page_count' => 'setPageCount''item_count' => 'setItemCount'
+        'page' => 'setPage',
+        'page_size' => 'setPageSize',
+        'page_count' => 'setPageCount',
+        'item_count' => 'setItemCount'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'page' => 'getPage''page_size' => 'getPageSize''page_count' => 'getPageCount''item_count' => 'getItemCount'
+        'page' => 'getPage',
+        'page_size' => 'getPageSize',
+        'page_count' => 'getPageCount',
+        'item_count' => 'getItemCount'
     ];
 
     /**
diff --git a/lib/Models/Asset/ResourceValidationErrorsElement.php b/lib/Models/Asset/ResourceValidationErrorsElement.php
index 5fafa791..517b6104 100644
--- a/lib/Models/Asset/ResourceValidationErrorsElement.php
+++ b/lib/Models/Asset/ResourceValidationErrorsElement.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class ResourceValidationErrorsElement implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'resource_name' => 'string''localised_message' => 'string''type' => 'string''title' => 'string''detail' => 'string'
+        'resource_name' => 'string',
+        'localised_message' => 'string',
+        'type' => 'string',
+        'title' => 'string',
+        'detail' => 'string'
     ];
 
     /**
@@ -67,7 +71,11 @@ class ResourceValidationErrorsElement implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'resource_name' => null'localised_message' => null'type' => null'title' => null'detail' => null
+        'resource_name' => null,
+        'localised_message' => null,
+        'type' => null,
+        'title' => null,
+        'detail' => null
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'resource_name' => 'resourceName''localised_message' => 'localisedMessage''type' => 'type''title' => 'title''detail' => 'detail'
+        'resource_name' => 'resourceName',
+        'localised_message' => 'localisedMessage',
+        'type' => 'type',
+        'title' => 'title',
+        'detail' => 'detail'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'resource_name' => 'setResourceName''localised_message' => 'setLocalisedMessage''type' => 'setType''title' => 'setTitle''detail' => 'setDetail'
+        'resource_name' => 'setResourceName',
+        'localised_message' => 'setLocalisedMessage',
+        'type' => 'setType',
+        'title' => 'setTitle',
+        'detail' => 'setDetail'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'resource_name' => 'getResourceName''localised_message' => 'getLocalisedMessage''type' => 'getType''title' => 'getTitle''detail' => 'getDetail'
+        'resource_name' => 'getResourceName',
+        'localised_message' => 'getLocalisedMessage',
+        'type' => 'getType',
+        'title' => 'getTitle',
+        'detail' => 'getDetail'
     ];
 
     /**
diff --git a/lib/Models/Asset/Setting.php b/lib/Models/Asset/Setting.php
index 54800d9f..8f01b0cf 100644
--- a/lib/Models/Asset/Setting.php
+++ b/lib/Models/Asset/Setting.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,14 @@ class Setting implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'asset_number_prefix' => 'string''asset_number_sequence' => 'string''asset_start_date' => '\DateTime''last_depreciation_date' => '\DateTime''default_gain_on_disposal_account_id' => 'string''default_loss_on_disposal_account_id' => 'string''default_capital_gain_on_disposal_account_id' => 'string''opt_in_for_tax' => 'bool'
+        'asset_number_prefix' => 'string',
+        'asset_number_sequence' => 'string',
+        'asset_start_date' => '\DateTime',
+        'last_depreciation_date' => '\DateTime',
+        'default_gain_on_disposal_account_id' => 'string',
+        'default_loss_on_disposal_account_id' => 'string',
+        'default_capital_gain_on_disposal_account_id' => 'string',
+        'opt_in_for_tax' => 'bool'
     ];
 
     /**
@@ -67,7 +74,14 @@ class Setting implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'asset_number_prefix' => null'asset_number_sequence' => null'asset_start_date' => 'date''last_depreciation_date' => 'date''default_gain_on_disposal_account_id' => 'uuid''default_loss_on_disposal_account_id' => 'uuid''default_capital_gain_on_disposal_account_id' => 'uuid''opt_in_for_tax' => null
+        'asset_number_prefix' => null,
+        'asset_number_sequence' => null,
+        'asset_start_date' => 'date',
+        'last_depreciation_date' => 'date',
+        'default_gain_on_disposal_account_id' => 'uuid',
+        'default_loss_on_disposal_account_id' => 'uuid',
+        'default_capital_gain_on_disposal_account_id' => 'uuid',
+        'opt_in_for_tax' => null
     ];
 
     /**
@@ -97,7 +111,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'asset_number_prefix' => 'assetNumberPrefix''asset_number_sequence' => 'assetNumberSequence''asset_start_date' => 'assetStartDate''last_depreciation_date' => 'lastDepreciationDate''default_gain_on_disposal_account_id' => 'defaultGainOnDisposalAccountId''default_loss_on_disposal_account_id' => 'defaultLossOnDisposalAccountId''default_capital_gain_on_disposal_account_id' => 'defaultCapitalGainOnDisposalAccountId''opt_in_for_tax' => 'optInForTax'
+        'asset_number_prefix' => 'assetNumberPrefix',
+        'asset_number_sequence' => 'assetNumberSequence',
+        'asset_start_date' => 'assetStartDate',
+        'last_depreciation_date' => 'lastDepreciationDate',
+        'default_gain_on_disposal_account_id' => 'defaultGainOnDisposalAccountId',
+        'default_loss_on_disposal_account_id' => 'defaultLossOnDisposalAccountId',
+        'default_capital_gain_on_disposal_account_id' => 'defaultCapitalGainOnDisposalAccountId',
+        'opt_in_for_tax' => 'optInForTax'
     ];
 
     /**
@@ -106,7 +127,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'asset_number_prefix' => 'setAssetNumberPrefix''asset_number_sequence' => 'setAssetNumberSequence''asset_start_date' => 'setAssetStartDate''last_depreciation_date' => 'setLastDepreciationDate''default_gain_on_disposal_account_id' => 'setDefaultGainOnDisposalAccountId''default_loss_on_disposal_account_id' => 'setDefaultLossOnDisposalAccountId''default_capital_gain_on_disposal_account_id' => 'setDefaultCapitalGainOnDisposalAccountId''opt_in_for_tax' => 'setOptInForTax'
+        'asset_number_prefix' => 'setAssetNumberPrefix',
+        'asset_number_sequence' => 'setAssetNumberSequence',
+        'asset_start_date' => 'setAssetStartDate',
+        'last_depreciation_date' => 'setLastDepreciationDate',
+        'default_gain_on_disposal_account_id' => 'setDefaultGainOnDisposalAccountId',
+        'default_loss_on_disposal_account_id' => 'setDefaultLossOnDisposalAccountId',
+        'default_capital_gain_on_disposal_account_id' => 'setDefaultCapitalGainOnDisposalAccountId',
+        'opt_in_for_tax' => 'setOptInForTax'
     ];
 
     /**
@@ -115,7 +143,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'asset_number_prefix' => 'getAssetNumberPrefix''asset_number_sequence' => 'getAssetNumberSequence''asset_start_date' => 'getAssetStartDate''last_depreciation_date' => 'getLastDepreciationDate''default_gain_on_disposal_account_id' => 'getDefaultGainOnDisposalAccountId''default_loss_on_disposal_account_id' => 'getDefaultLossOnDisposalAccountId''default_capital_gain_on_disposal_account_id' => 'getDefaultCapitalGainOnDisposalAccountId''opt_in_for_tax' => 'getOptInForTax'
+        'asset_number_prefix' => 'getAssetNumberPrefix',
+        'asset_number_sequence' => 'getAssetNumberSequence',
+        'asset_start_date' => 'getAssetStartDate',
+        'last_depreciation_date' => 'getLastDepreciationDate',
+        'default_gain_on_disposal_account_id' => 'getDefaultGainOnDisposalAccountId',
+        'default_loss_on_disposal_account_id' => 'getDefaultLossOnDisposalAccountId',
+        'default_capital_gain_on_disposal_account_id' => 'getDefaultCapitalGainOnDisposalAccountId',
+        'opt_in_for_tax' => 'getOptInForTax'
     ];
 
     /**
diff --git a/lib/Models/File/Association.php b/lib/Models/File/Association.php
index d063b4af..f1123466 100644
--- a/lib/Models/File/Association.php
+++ b/lib/Models/File/Association.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class Association implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'file_id' => 'string''object_id' => 'string''object_group' => '\XeroAPI\XeroPHP\Models\File\ObjectGroup''object_type' => '\XeroAPI\XeroPHP\Models\File\ObjectType'
+        'file_id' => 'string',
+        'object_id' => 'string',
+        'object_group' => '\XeroAPI\XeroPHP\Models\File\ObjectGroup',
+        'object_type' => '\XeroAPI\XeroPHP\Models\File\ObjectType'
     ];
 
     /**
@@ -67,7 +70,10 @@ class Association implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'file_id' => 'uuid''object_id' => 'uuid''object_group' => null'object_type' => null
+        'file_id' => 'uuid',
+        'object_id' => 'uuid',
+        'object_group' => null,
+        'object_type' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'file_id' => 'FileId''object_id' => 'ObjectId''object_group' => 'ObjectGroup''object_type' => 'ObjectType'
+        'file_id' => 'FileId',
+        'object_id' => 'ObjectId',
+        'object_group' => 'ObjectGroup',
+        'object_type' => 'ObjectType'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'file_id' => 'setFileId''object_id' => 'setObjectId''object_group' => 'setObjectGroup''object_type' => 'setObjectType'
+        'file_id' => 'setFileId',
+        'object_id' => 'setObjectId',
+        'object_group' => 'setObjectGroup',
+        'object_type' => 'setObjectType'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'file_id' => 'getFileId''object_id' => 'getObjectId''object_group' => 'getObjectGroup''object_type' => 'getObjectType'
+        'file_id' => 'getFileId',
+        'object_id' => 'getObjectId',
+        'object_group' => 'getObjectGroup',
+        'object_type' => 'getObjectType'
     ];
 
     /**
diff --git a/lib/Models/File/FileObject.php b/lib/Models/File/FileObject.php
index e74cb696..cbaa0b82 100644
--- a/lib/Models/File/FileObject.php
+++ b/lib/Models/File/FileObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,14 @@ class FileObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string''mime_type' => 'string''size' => 'int''created_date_utc' => 'string''updated_date_utc' => 'string''user' => '\XeroAPI\XeroPHP\Models\File\User''id' => 'string''folder_id' => 'string'
+        'name' => 'string',
+        'mime_type' => 'string',
+        'size' => 'int',
+        'created_date_utc' => 'string',
+        'updated_date_utc' => 'string',
+        'user' => '\XeroAPI\XeroPHP\Models\File\User',
+        'id' => 'string',
+        'folder_id' => 'string'
     ];
 
     /**
@@ -67,7 +74,14 @@ class FileObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null'mime_type' => null'size' => null'created_date_utc' => null'updated_date_utc' => null'user' => null'id' => 'uuid''folder_id' => 'uuid'
+        'name' => null,
+        'mime_type' => null,
+        'size' => null,
+        'created_date_utc' => null,
+        'updated_date_utc' => null,
+        'user' => null,
+        'id' => 'uuid',
+        'folder_id' => 'uuid'
     ];
 
     /**
@@ -97,7 +111,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'Name''mime_type' => 'MimeType''size' => 'Size''created_date_utc' => 'CreatedDateUtc''updated_date_utc' => 'UpdatedDateUtc''user' => 'User''id' => 'Id''folder_id' => 'FolderId'
+        'name' => 'Name',
+        'mime_type' => 'MimeType',
+        'size' => 'Size',
+        'created_date_utc' => 'CreatedDateUtc',
+        'updated_date_utc' => 'UpdatedDateUtc',
+        'user' => 'User',
+        'id' => 'Id',
+        'folder_id' => 'FolderId'
     ];
 
     /**
@@ -106,7 +127,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName''mime_type' => 'setMimeType''size' => 'setSize''created_date_utc' => 'setCreatedDateUtc''updated_date_utc' => 'setUpdatedDateUtc''user' => 'setUser''id' => 'setId''folder_id' => 'setFolderId'
+        'name' => 'setName',
+        'mime_type' => 'setMimeType',
+        'size' => 'setSize',
+        'created_date_utc' => 'setCreatedDateUtc',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'user' => 'setUser',
+        'id' => 'setId',
+        'folder_id' => 'setFolderId'
     ];
 
     /**
@@ -115,7 +143,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName''mime_type' => 'getMimeType''size' => 'getSize''created_date_utc' => 'getCreatedDateUtc''updated_date_utc' => 'getUpdatedDateUtc''user' => 'getUser''id' => 'getId''folder_id' => 'getFolderId'
+        'name' => 'getName',
+        'mime_type' => 'getMimeType',
+        'size' => 'getSize',
+        'created_date_utc' => 'getCreatedDateUtc',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'user' => 'getUser',
+        'id' => 'getId',
+        'folder_id' => 'getFolderId'
     ];
 
     /**
diff --git a/lib/Models/File/Files.php b/lib/Models/File/Files.php
index be42dfc1..396a17cf 100644
--- a/lib/Models/File/Files.php
+++ b/lib/Models/File/Files.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class Files implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'total_count' => 'int''page' => 'int''per_page' => 'int''items' => '\XeroAPI\XeroPHP\Models\File\FileObject[]'
+        'total_count' => 'int',
+        'page' => 'int',
+        'per_page' => 'int',
+        'items' => '\XeroAPI\XeroPHP\Models\File\FileObject[]'
     ];
 
     /**
@@ -67,7 +70,10 @@ class Files implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'total_count' => null'page' => null'per_page' => null'items' => null
+        'total_count' => null,
+        'page' => null,
+        'per_page' => null,
+        'items' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'total_count' => 'TotalCount''page' => 'Page''per_page' => 'PerPage''items' => 'Items'
+        'total_count' => 'TotalCount',
+        'page' => 'Page',
+        'per_page' => 'PerPage',
+        'items' => 'Items'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'total_count' => 'setTotalCount''page' => 'setPage''per_page' => 'setPerPage''items' => 'setItems'
+        'total_count' => 'setTotalCount',
+        'page' => 'setPage',
+        'per_page' => 'setPerPage',
+        'items' => 'setItems'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'total_count' => 'getTotalCount''page' => 'getPage''per_page' => 'getPerPage''items' => 'getItems'
+        'total_count' => 'getTotalCount',
+        'page' => 'getPage',
+        'per_page' => 'getPerPage',
+        'items' => 'getItems'
     ];
 
     /**
diff --git a/lib/Models/File/Folder.php b/lib/Models/File/Folder.php
index de301b68..73dc7ed1 100644
--- a/lib/Models/File/Folder.php
+++ b/lib/Models/File/Folder.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class Folder implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string''file_count' => 'int''email' => 'string''is_inbox' => 'bool''id' => 'string'
+        'name' => 'string',
+        'file_count' => 'int',
+        'email' => 'string',
+        'is_inbox' => 'bool',
+        'id' => 'string'
     ];
 
     /**
@@ -67,7 +71,11 @@ class Folder implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null'file_count' => null'email' => null'is_inbox' => null'id' => 'uuid'
+        'name' => null,
+        'file_count' => null,
+        'email' => null,
+        'is_inbox' => null,
+        'id' => 'uuid'
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'Name''file_count' => 'FileCount''email' => 'Email''is_inbox' => 'IsInbox''id' => 'Id'
+        'name' => 'Name',
+        'file_count' => 'FileCount',
+        'email' => 'Email',
+        'is_inbox' => 'IsInbox',
+        'id' => 'Id'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName''file_count' => 'setFileCount''email' => 'setEmail''is_inbox' => 'setIsInbox''id' => 'setId'
+        'name' => 'setName',
+        'file_count' => 'setFileCount',
+        'email' => 'setEmail',
+        'is_inbox' => 'setIsInbox',
+        'id' => 'setId'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName''file_count' => 'getFileCount''email' => 'getEmail''is_inbox' => 'getIsInbox''id' => 'getId'
+        'name' => 'getName',
+        'file_count' => 'getFileCount',
+        'email' => 'getEmail',
+        'is_inbox' => 'getIsInbox',
+        'id' => 'getId'
     ];
 
     /**
diff --git a/lib/Models/File/Folders.php b/lib/Models/File/Folders.php
index 60702c3c..d48e39ab 100644
--- a/lib/Models/File/Folders.php
+++ b/lib/Models/File/Folders.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/File/ModelInterface.php b/lib/Models/File/ModelInterface.php
index 4e6f7275..87496455 100644
--- a/lib/Models/File/ModelInterface.php
+++ b/lib/Models/File/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/File/ObjectGroup.php b/lib/Models/File/ObjectGroup.php
index 004f8056..3b300c71 100644
--- a/lib/Models/File/ObjectGroup.php
+++ b/lib/Models/File/ObjectGroup.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/File/ObjectType.php b/lib/Models/File/ObjectType.php
index 8f4c947f..22d81745 100644
--- a/lib/Models/File/ObjectType.php
+++ b/lib/Models/File/ObjectType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/File/User.php b/lib/Models/File/User.php
index ba3f4a61..6e2248f3 100644
--- a/lib/Models/File/User.php
+++ b/lib/Models/File/User.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class User implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'id' => 'string''name' => 'string''first_name' => 'string''last_name' => 'string''full_name' => 'string'
+        'id' => 'string',
+        'name' => 'string',
+        'first_name' => 'string',
+        'last_name' => 'string',
+        'full_name' => 'string'
     ];
 
     /**
@@ -67,7 +71,11 @@ class User implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'id' => 'uuid''name' => null'first_name' => null'last_name' => null'full_name' => null
+        'id' => 'uuid',
+        'name' => null,
+        'first_name' => null,
+        'last_name' => null,
+        'full_name' => null
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'id' => 'Id''name' => 'Name''first_name' => 'FirstName''last_name' => 'LastName''full_name' => 'FullName'
+        'id' => 'Id',
+        'name' => 'Name',
+        'first_name' => 'FirstName',
+        'last_name' => 'LastName',
+        'full_name' => 'FullName'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'id' => 'setId''name' => 'setName''first_name' => 'setFirstName''last_name' => 'setLastName''full_name' => 'setFullName'
+        'id' => 'setId',
+        'name' => 'setName',
+        'first_name' => 'setFirstName',
+        'last_name' => 'setLastName',
+        'full_name' => 'setFullName'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'id' => 'getId''name' => 'getName''first_name' => 'getFirstName''last_name' => 'getLastName''full_name' => 'getFullName'
+        'id' => 'getId',
+        'name' => 'getName',
+        'first_name' => 'getFirstName',
+        'last_name' => 'getLastName',
+        'full_name' => 'getFullName'
     ];
 
     /**
diff --git a/lib/Models/Finance/AccountUsage.php b/lib/Models/Finance/AccountUsage.php
index da7f317b..5fde2eed 100644
--- a/lib/Models/Finance/AccountUsage.php
+++ b/lib/Models/Finance/AccountUsage.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,19 @@ class AccountUsage implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'month' => 'string''account_id' => 'string''currency_code' => 'string''total_received' => 'double''count_received' => 'int''total_paid' => 'double''count_paid' => 'int''total_manual_journal' => 'double''count_manual_journal' => 'int''account_name' => 'string''reporting_code' => 'string''reporting_code_name' => 'string''report_code_updated_date_utc' => '\DateTime'
+        'month' => 'string',
+        'account_id' => 'string',
+        'currency_code' => 'string',
+        'total_received' => 'double',
+        'count_received' => 'int',
+        'total_paid' => 'double',
+        'count_paid' => 'int',
+        'total_manual_journal' => 'double',
+        'count_manual_journal' => 'int',
+        'account_name' => 'string',
+        'reporting_code' => 'string',
+        'reporting_code_name' => 'string',
+        'report_code_updated_date_utc' => '\DateTime'
     ];
 
     /**
@@ -67,7 +79,19 @@ class AccountUsage implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'month' => null'account_id' => 'uuid''currency_code' => null'total_received' => 'double''count_received' => 'int32''total_paid' => 'double''count_paid' => 'int32''total_manual_journal' => 'double''count_manual_journal' => 'int32''account_name' => null'reporting_code' => null'reporting_code_name' => null'report_code_updated_date_utc' => 'date-time'
+        'month' => null,
+        'account_id' => 'uuid',
+        'currency_code' => null,
+        'total_received' => 'double',
+        'count_received' => 'int32',
+        'total_paid' => 'double',
+        'count_paid' => 'int32',
+        'total_manual_journal' => 'double',
+        'count_manual_journal' => 'int32',
+        'account_name' => null,
+        'reporting_code' => null,
+        'reporting_code_name' => null,
+        'report_code_updated_date_utc' => 'date-time'
     ];
 
     /**
@@ -97,7 +121,19 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'month' => 'month''account_id' => 'accountId''currency_code' => 'currencyCode''total_received' => 'totalReceived''count_received' => 'countReceived''total_paid' => 'totalPaid''count_paid' => 'countPaid''total_manual_journal' => 'totalManualJournal''count_manual_journal' => 'countManualJournal''account_name' => 'accountName''reporting_code' => 'reportingCode''reporting_code_name' => 'reportingCodeName''report_code_updated_date_utc' => 'reportCodeUpdatedDateUtc'
+        'month' => 'month',
+        'account_id' => 'accountId',
+        'currency_code' => 'currencyCode',
+        'total_received' => 'totalReceived',
+        'count_received' => 'countReceived',
+        'total_paid' => 'totalPaid',
+        'count_paid' => 'countPaid',
+        'total_manual_journal' => 'totalManualJournal',
+        'count_manual_journal' => 'countManualJournal',
+        'account_name' => 'accountName',
+        'reporting_code' => 'reportingCode',
+        'reporting_code_name' => 'reportingCodeName',
+        'report_code_updated_date_utc' => 'reportCodeUpdatedDateUtc'
     ];
 
     /**
@@ -106,7 +142,19 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'month' => 'setMonth''account_id' => 'setAccountId''currency_code' => 'setCurrencyCode''total_received' => 'setTotalReceived''count_received' => 'setCountReceived''total_paid' => 'setTotalPaid''count_paid' => 'setCountPaid''total_manual_journal' => 'setTotalManualJournal''count_manual_journal' => 'setCountManualJournal''account_name' => 'setAccountName''reporting_code' => 'setReportingCode''reporting_code_name' => 'setReportingCodeName''report_code_updated_date_utc' => 'setReportCodeUpdatedDateUtc'
+        'month' => 'setMonth',
+        'account_id' => 'setAccountId',
+        'currency_code' => 'setCurrencyCode',
+        'total_received' => 'setTotalReceived',
+        'count_received' => 'setCountReceived',
+        'total_paid' => 'setTotalPaid',
+        'count_paid' => 'setCountPaid',
+        'total_manual_journal' => 'setTotalManualJournal',
+        'count_manual_journal' => 'setCountManualJournal',
+        'account_name' => 'setAccountName',
+        'reporting_code' => 'setReportingCode',
+        'reporting_code_name' => 'setReportingCodeName',
+        'report_code_updated_date_utc' => 'setReportCodeUpdatedDateUtc'
     ];
 
     /**
@@ -115,7 +163,19 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'month' => 'getMonth''account_id' => 'getAccountId''currency_code' => 'getCurrencyCode''total_received' => 'getTotalReceived''count_received' => 'getCountReceived''total_paid' => 'getTotalPaid''count_paid' => 'getCountPaid''total_manual_journal' => 'getTotalManualJournal''count_manual_journal' => 'getCountManualJournal''account_name' => 'getAccountName''reporting_code' => 'getReportingCode''reporting_code_name' => 'getReportingCodeName''report_code_updated_date_utc' => 'getReportCodeUpdatedDateUtc'
+        'month' => 'getMonth',
+        'account_id' => 'getAccountId',
+        'currency_code' => 'getCurrencyCode',
+        'total_received' => 'getTotalReceived',
+        'count_received' => 'getCountReceived',
+        'total_paid' => 'getTotalPaid',
+        'count_paid' => 'getCountPaid',
+        'total_manual_journal' => 'getTotalManualJournal',
+        'count_manual_journal' => 'getCountManualJournal',
+        'account_name' => 'getAccountName',
+        'reporting_code' => 'getReportingCode',
+        'reporting_code_name' => 'getReportingCodeName',
+        'report_code_updated_date_utc' => 'getReportCodeUpdatedDateUtc'
     ];
 
     /**
diff --git a/lib/Models/Finance/AccountUsageResponse.php b/lib/Models/Finance/AccountUsageResponse.php
index ea8a3015..dff61f3d 100644
--- a/lib/Models/Finance/AccountUsageResponse.php
+++ b/lib/Models/Finance/AccountUsageResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class AccountUsageResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'organisation_id' => 'string''start_month' => 'string''end_month' => 'string''account_usage' => '\XeroAPI\XeroPHP\Models\Finance\AccountUsage[]'
+        'organisation_id' => 'string',
+        'start_month' => 'string',
+        'end_month' => 'string',
+        'account_usage' => '\XeroAPI\XeroPHP\Models\Finance\AccountUsage[]'
     ];
 
     /**
@@ -67,7 +70,10 @@ class AccountUsageResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'organisation_id' => 'uuid''start_month' => null'end_month' => null'account_usage' => null
+        'organisation_id' => 'uuid',
+        'start_month' => null,
+        'end_month' => null,
+        'account_usage' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'organisation_id' => 'organisationId''start_month' => 'startMonth''end_month' => 'endMonth''account_usage' => 'accountUsage'
+        'organisation_id' => 'organisationId',
+        'start_month' => 'startMonth',
+        'end_month' => 'endMonth',
+        'account_usage' => 'accountUsage'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'organisation_id' => 'setOrganisationId''start_month' => 'setStartMonth''end_month' => 'setEndMonth''account_usage' => 'setAccountUsage'
+        'organisation_id' => 'setOrganisationId',
+        'start_month' => 'setStartMonth',
+        'end_month' => 'setEndMonth',
+        'account_usage' => 'setAccountUsage'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'organisation_id' => 'getOrganisationId''start_month' => 'getStartMonth''end_month' => 'getEndMonth''account_usage' => 'getAccountUsage'
+        'organisation_id' => 'getOrganisationId',
+        'start_month' => 'getStartMonth',
+        'end_month' => 'getEndMonth',
+        'account_usage' => 'getAccountUsage'
     ];
 
     /**
diff --git a/lib/Models/Finance/BalanceSheetAccountDetail.php b/lib/Models/Finance/BalanceSheetAccountDetail.php
index 32bdc5fe..f381ef41 100644
--- a/lib/Models/Finance/BalanceSheetAccountDetail.php
+++ b/lib/Models/Finance/BalanceSheetAccountDetail.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class BalanceSheetAccountDetail implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'code' => 'string''account_id' => 'string''name' => 'string''reporting_code' => 'string''total' => 'double'
+        'code' => 'string',
+        'account_id' => 'string',
+        'name' => 'string',
+        'reporting_code' => 'string',
+        'total' => 'double'
     ];
 
     /**
@@ -67,7 +71,11 @@ class BalanceSheetAccountDetail implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'code' => null'account_id' => 'uuid''name' => null'reporting_code' => null'total' => 'double'
+        'code' => null,
+        'account_id' => 'uuid',
+        'name' => null,
+        'reporting_code' => null,
+        'total' => 'double'
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'code' => 'code''account_id' => 'accountID''name' => 'name''reporting_code' => 'reportingCode''total' => 'total'
+        'code' => 'code',
+        'account_id' => 'accountID',
+        'name' => 'name',
+        'reporting_code' => 'reportingCode',
+        'total' => 'total'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'code' => 'setCode''account_id' => 'setAccountId''name' => 'setName''reporting_code' => 'setReportingCode''total' => 'setTotal'
+        'code' => 'setCode',
+        'account_id' => 'setAccountId',
+        'name' => 'setName',
+        'reporting_code' => 'setReportingCode',
+        'total' => 'setTotal'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'code' => 'getCode''account_id' => 'getAccountId''name' => 'getName''reporting_code' => 'getReportingCode''total' => 'getTotal'
+        'code' => 'getCode',
+        'account_id' => 'getAccountId',
+        'name' => 'getName',
+        'reporting_code' => 'getReportingCode',
+        'total' => 'getTotal'
     ];
 
     /**
diff --git a/lib/Models/Finance/BalanceSheetAccountGroup.php b/lib/Models/Finance/BalanceSheetAccountGroup.php
index ecdbc264..6476acc8 100644
--- a/lib/Models/Finance/BalanceSheetAccountGroup.php
+++ b/lib/Models/Finance/BalanceSheetAccountGroup.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class BalanceSheetAccountGroup implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_types' => '\XeroAPI\XeroPHP\Models\Finance\BalanceSheetAccountType[]''total' => 'double'
+        'account_types' => '\XeroAPI\XeroPHP\Models\Finance\BalanceSheetAccountType[]',
+        'total' => 'double'
     ];
 
     /**
@@ -67,7 +68,8 @@ class BalanceSheetAccountGroup implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_types' => null'total' => 'double'
+        'account_types' => null,
+        'total' => 'double'
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_types' => 'accountTypes''total' => 'total'
+        'account_types' => 'accountTypes',
+        'total' => 'total'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_types' => 'setAccountTypes''total' => 'setTotal'
+        'account_types' => 'setAccountTypes',
+        'total' => 'setTotal'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_types' => 'getAccountTypes''total' => 'getTotal'
+        'account_types' => 'getAccountTypes',
+        'total' => 'getTotal'
     ];
 
     /**
diff --git a/lib/Models/Finance/BalanceSheetAccountType.php b/lib/Models/Finance/BalanceSheetAccountType.php
index 6741be56..76946d45 100644
--- a/lib/Models/Finance/BalanceSheetAccountType.php
+++ b/lib/Models/Finance/BalanceSheetAccountType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class BalanceSheetAccountType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_type' => 'string''accounts' => '\XeroAPI\XeroPHP\Models\Finance\BalanceSheetAccountDetail[]''total' => 'double'
+        'account_type' => 'string',
+        'accounts' => '\XeroAPI\XeroPHP\Models\Finance\BalanceSheetAccountDetail[]',
+        'total' => 'double'
     ];
 
     /**
@@ -67,7 +69,9 @@ class BalanceSheetAccountType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_type' => null'accounts' => null'total' => 'double'
+        'account_type' => null,
+        'accounts' => null,
+        'total' => 'double'
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_type' => 'accountType''accounts' => 'accounts''total' => 'total'
+        'account_type' => 'accountType',
+        'accounts' => 'accounts',
+        'total' => 'total'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_type' => 'setAccountType''accounts' => 'setAccounts''total' => 'setTotal'
+        'account_type' => 'setAccountType',
+        'accounts' => 'setAccounts',
+        'total' => 'setTotal'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_type' => 'getAccountType''accounts' => 'getAccounts''total' => 'getTotal'
+        'account_type' => 'getAccountType',
+        'accounts' => 'getAccounts',
+        'total' => 'getTotal'
     ];
 
     /**
diff --git a/lib/Models/Finance/BalanceSheetResponse.php b/lib/Models/Finance/BalanceSheetResponse.php
index a74d18e2..fd50defa 100644
--- a/lib/Models/Finance/BalanceSheetResponse.php
+++ b/lib/Models/Finance/BalanceSheetResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class BalanceSheetResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'balance_date' => '\DateTime''asset' => '\XeroAPI\XeroPHP\Models\Finance\BalanceSheetAccountGroup''liability' => '\XeroAPI\XeroPHP\Models\Finance\BalanceSheetAccountGroup''equity' => '\XeroAPI\XeroPHP\Models\Finance\BalanceSheetAccountGroup'
+        'balance_date' => '\DateTime',
+        'asset' => '\XeroAPI\XeroPHP\Models\Finance\BalanceSheetAccountGroup',
+        'liability' => '\XeroAPI\XeroPHP\Models\Finance\BalanceSheetAccountGroup',
+        'equity' => '\XeroAPI\XeroPHP\Models\Finance\BalanceSheetAccountGroup'
     ];
 
     /**
@@ -67,7 +70,10 @@ class BalanceSheetResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'balance_date' => 'date''asset' => null'liability' => null'equity' => null
+        'balance_date' => 'date',
+        'asset' => null,
+        'liability' => null,
+        'equity' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'balance_date' => 'balanceDate''asset' => 'asset''liability' => 'liability''equity' => 'equity'
+        'balance_date' => 'balanceDate',
+        'asset' => 'asset',
+        'liability' => 'liability',
+        'equity' => 'equity'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'balance_date' => 'setBalanceDate''asset' => 'setAsset''liability' => 'setLiability''equity' => 'setEquity'
+        'balance_date' => 'setBalanceDate',
+        'asset' => 'setAsset',
+        'liability' => 'setLiability',
+        'equity' => 'setEquity'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'balance_date' => 'getBalanceDate''asset' => 'getAsset''liability' => 'getLiability''equity' => 'getEquity'
+        'balance_date' => 'getBalanceDate',
+        'asset' => 'getAsset',
+        'liability' => 'getLiability',
+        'equity' => 'getEquity'
     ];
 
     /**
diff --git a/lib/Models/Finance/BankStatementAccountingResponse.php b/lib/Models/Finance/BankStatementAccountingResponse.php
index d15c45ce..676a798c 100644
--- a/lib/Models/Finance/BankStatementAccountingResponse.php
+++ b/lib/Models/Finance/BankStatementAccountingResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class BankStatementAccountingResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'bank_account_id' => 'string''bank_account_name' => 'string''bank_account_currency_code' => 'string''statements' => '\XeroAPI\XeroPHP\Models\Finance\StatementResponse[]'
+        'bank_account_id' => 'string',
+        'bank_account_name' => 'string',
+        'bank_account_currency_code' => 'string',
+        'statements' => '\XeroAPI\XeroPHP\Models\Finance\StatementResponse[]'
     ];
 
     /**
@@ -67,7 +70,10 @@ class BankStatementAccountingResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'bank_account_id' => 'uuid''bank_account_name' => null'bank_account_currency_code' => null'statements' => null
+        'bank_account_id' => 'uuid',
+        'bank_account_name' => null,
+        'bank_account_currency_code' => null,
+        'statements' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'bank_account_id' => 'bankAccountId''bank_account_name' => 'bankAccountName''bank_account_currency_code' => 'bankAccountCurrencyCode''statements' => 'statements'
+        'bank_account_id' => 'bankAccountId',
+        'bank_account_name' => 'bankAccountName',
+        'bank_account_currency_code' => 'bankAccountCurrencyCode',
+        'statements' => 'statements'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'bank_account_id' => 'setBankAccountId''bank_account_name' => 'setBankAccountName''bank_account_currency_code' => 'setBankAccountCurrencyCode''statements' => 'setStatements'
+        'bank_account_id' => 'setBankAccountId',
+        'bank_account_name' => 'setBankAccountName',
+        'bank_account_currency_code' => 'setBankAccountCurrencyCode',
+        'statements' => 'setStatements'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'bank_account_id' => 'getBankAccountId''bank_account_name' => 'getBankAccountName''bank_account_currency_code' => 'getBankAccountCurrencyCode''statements' => 'getStatements'
+        'bank_account_id' => 'getBankAccountId',
+        'bank_account_name' => 'getBankAccountName',
+        'bank_account_currency_code' => 'getBankAccountCurrencyCode',
+        'statements' => 'getStatements'
     ];
 
     /**
diff --git a/lib/Models/Finance/BankStatementResponse.php b/lib/Models/Finance/BankStatementResponse.php
index 8cb16b48..b2b08b99 100644
--- a/lib/Models/Finance/BankStatementResponse.php
+++ b/lib/Models/Finance/BankStatementResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class BankStatementResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'statement_lines' => '\XeroAPI\XeroPHP\Models\Finance\StatementLinesResponse''current_statement' => '\XeroAPI\XeroPHP\Models\Finance\CurrentStatementResponse'
+        'statement_lines' => '\XeroAPI\XeroPHP\Models\Finance\StatementLinesResponse',
+        'current_statement' => '\XeroAPI\XeroPHP\Models\Finance\CurrentStatementResponse'
     ];
 
     /**
@@ -67,7 +68,8 @@ class BankStatementResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'statement_lines' => null'current_statement' => null
+        'statement_lines' => null,
+        'current_statement' => null
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'statement_lines' => 'statementLines''current_statement' => 'currentStatement'
+        'statement_lines' => 'statementLines',
+        'current_statement' => 'currentStatement'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'statement_lines' => 'setStatementLines''current_statement' => 'setCurrentStatement'
+        'statement_lines' => 'setStatementLines',
+        'current_statement' => 'setCurrentStatement'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'statement_lines' => 'getStatementLines''current_statement' => 'getCurrentStatement'
+        'statement_lines' => 'getStatementLines',
+        'current_statement' => 'getCurrentStatement'
     ];
 
     /**
diff --git a/lib/Models/Finance/BankTransactionResponse.php b/lib/Models/Finance/BankTransactionResponse.php
index 5a5781e6..9bffc495 100644
--- a/lib/Models/Finance/BankTransactionResponse.php
+++ b/lib/Models/Finance/BankTransactionResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class BankTransactionResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'bank_transaction_id' => 'string''batch_payment_id' => 'string''contact' => '\XeroAPI\XeroPHP\Models\Finance\ContactResponse''date' => '\DateTime''amount' => 'double''line_items' => '\XeroAPI\XeroPHP\Models\Finance\LineItemResponse[]'
+        'bank_transaction_id' => 'string',
+        'batch_payment_id' => 'string',
+        'contact' => '\XeroAPI\XeroPHP\Models\Finance\ContactResponse',
+        'date' => '\DateTime',
+        'amount' => 'double',
+        'line_items' => '\XeroAPI\XeroPHP\Models\Finance\LineItemResponse[]'
     ];
 
     /**
@@ -67,7 +72,12 @@ class BankTransactionResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'bank_transaction_id' => 'uuid''batch_payment_id' => 'uuid''contact' => null'date' => 'date''amount' => 'double''line_items' => null
+        'bank_transaction_id' => 'uuid',
+        'batch_payment_id' => 'uuid',
+        'contact' => null,
+        'date' => 'date',
+        'amount' => 'double',
+        'line_items' => null
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'bank_transaction_id' => 'bankTransactionId''batch_payment_id' => 'batchPaymentId''contact' => 'contact''date' => 'date''amount' => 'amount''line_items' => 'lineItems'
+        'bank_transaction_id' => 'bankTransactionId',
+        'batch_payment_id' => 'batchPaymentId',
+        'contact' => 'contact',
+        'date' => 'date',
+        'amount' => 'amount',
+        'line_items' => 'lineItems'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'bank_transaction_id' => 'setBankTransactionId''batch_payment_id' => 'setBatchPaymentId''contact' => 'setContact''date' => 'setDate''amount' => 'setAmount''line_items' => 'setLineItems'
+        'bank_transaction_id' => 'setBankTransactionId',
+        'batch_payment_id' => 'setBatchPaymentId',
+        'contact' => 'setContact',
+        'date' => 'setDate',
+        'amount' => 'setAmount',
+        'line_items' => 'setLineItems'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'bank_transaction_id' => 'getBankTransactionId''batch_payment_id' => 'getBatchPaymentId''contact' => 'getContact''date' => 'getDate''amount' => 'getAmount''line_items' => 'getLineItems'
+        'bank_transaction_id' => 'getBankTransactionId',
+        'batch_payment_id' => 'getBatchPaymentId',
+        'contact' => 'getContact',
+        'date' => 'getDate',
+        'amount' => 'getAmount',
+        'line_items' => 'getLineItems'
     ];
 
     /**
diff --git a/lib/Models/Finance/CashAccountResponse.php b/lib/Models/Finance/CashAccountResponse.php
index bc1d6752..c259cf90 100644
--- a/lib/Models/Finance/CashAccountResponse.php
+++ b/lib/Models/Finance/CashAccountResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class CashAccountResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'unreconciled_amount_pos' => 'double''unreconciled_amount_neg' => 'double''starting_balance' => 'double''account_balance' => 'double''balance_currency' => 'string'
+        'unreconciled_amount_pos' => 'double',
+        'unreconciled_amount_neg' => 'double',
+        'starting_balance' => 'double',
+        'account_balance' => 'double',
+        'balance_currency' => 'string'
     ];
 
     /**
@@ -67,7 +71,11 @@ class CashAccountResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'unreconciled_amount_pos' => 'double''unreconciled_amount_neg' => 'double''starting_balance' => 'double''account_balance' => 'double''balance_currency' => null
+        'unreconciled_amount_pos' => 'double',
+        'unreconciled_amount_neg' => 'double',
+        'starting_balance' => 'double',
+        'account_balance' => 'double',
+        'balance_currency' => null
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'unreconciled_amount_pos' => 'unreconciledAmountPos''unreconciled_amount_neg' => 'unreconciledAmountNeg''starting_balance' => 'startingBalance''account_balance' => 'accountBalance''balance_currency' => 'balanceCurrency'
+        'unreconciled_amount_pos' => 'unreconciledAmountPos',
+        'unreconciled_amount_neg' => 'unreconciledAmountNeg',
+        'starting_balance' => 'startingBalance',
+        'account_balance' => 'accountBalance',
+        'balance_currency' => 'balanceCurrency'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'unreconciled_amount_pos' => 'setUnreconciledAmountPos''unreconciled_amount_neg' => 'setUnreconciledAmountNeg''starting_balance' => 'setStartingBalance''account_balance' => 'setAccountBalance''balance_currency' => 'setBalanceCurrency'
+        'unreconciled_amount_pos' => 'setUnreconciledAmountPos',
+        'unreconciled_amount_neg' => 'setUnreconciledAmountNeg',
+        'starting_balance' => 'setStartingBalance',
+        'account_balance' => 'setAccountBalance',
+        'balance_currency' => 'setBalanceCurrency'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'unreconciled_amount_pos' => 'getUnreconciledAmountPos''unreconciled_amount_neg' => 'getUnreconciledAmountNeg''starting_balance' => 'getStartingBalance''account_balance' => 'getAccountBalance''balance_currency' => 'getBalanceCurrency'
+        'unreconciled_amount_pos' => 'getUnreconciledAmountPos',
+        'unreconciled_amount_neg' => 'getUnreconciledAmountNeg',
+        'starting_balance' => 'getStartingBalance',
+        'account_balance' => 'getAccountBalance',
+        'balance_currency' => 'getBalanceCurrency'
     ];
 
     /**
diff --git a/lib/Models/Finance/CashBalance.php b/lib/Models/Finance/CashBalance.php
index 70069212..b29e2c5a 100644
--- a/lib/Models/Finance/CashBalance.php
+++ b/lib/Models/Finance/CashBalance.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class CashBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'opening_cash_balance' => 'double''closing_cash_balance' => 'double''net_cash_movement' => 'double'
+        'opening_cash_balance' => 'double',
+        'closing_cash_balance' => 'double',
+        'net_cash_movement' => 'double'
     ];
 
     /**
@@ -67,7 +69,9 @@ class CashBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'opening_cash_balance' => 'double''closing_cash_balance' => 'double''net_cash_movement' => 'double'
+        'opening_cash_balance' => 'double',
+        'closing_cash_balance' => 'double',
+        'net_cash_movement' => 'double'
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'opening_cash_balance' => 'openingCashBalance''closing_cash_balance' => 'closingCashBalance''net_cash_movement' => 'netCashMovement'
+        'opening_cash_balance' => 'openingCashBalance',
+        'closing_cash_balance' => 'closingCashBalance',
+        'net_cash_movement' => 'netCashMovement'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'opening_cash_balance' => 'setOpeningCashBalance''closing_cash_balance' => 'setClosingCashBalance''net_cash_movement' => 'setNetCashMovement'
+        'opening_cash_balance' => 'setOpeningCashBalance',
+        'closing_cash_balance' => 'setClosingCashBalance',
+        'net_cash_movement' => 'setNetCashMovement'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'opening_cash_balance' => 'getOpeningCashBalance''closing_cash_balance' => 'getClosingCashBalance''net_cash_movement' => 'getNetCashMovement'
+        'opening_cash_balance' => 'getOpeningCashBalance',
+        'closing_cash_balance' => 'getClosingCashBalance',
+        'net_cash_movement' => 'getNetCashMovement'
     ];
 
     /**
diff --git a/lib/Models/Finance/CashValidationResponse.php b/lib/Models/Finance/CashValidationResponse.php
index 88ff01e8..8ae6fd4f 100644
--- a/lib/Models/Finance/CashValidationResponse.php
+++ b/lib/Models/Finance/CashValidationResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class CashValidationResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_id' => 'string''statement_balance' => '\XeroAPI\XeroPHP\Models\Finance\StatementBalanceResponse''statement_balance_date' => '\DateTime''bank_statement' => '\XeroAPI\XeroPHP\Models\Finance\BankStatementResponse''cash_account' => '\XeroAPI\XeroPHP\Models\Finance\CashAccountResponse'
+        'account_id' => 'string',
+        'statement_balance' => '\XeroAPI\XeroPHP\Models\Finance\StatementBalanceResponse',
+        'statement_balance_date' => '\DateTime',
+        'bank_statement' => '\XeroAPI\XeroPHP\Models\Finance\BankStatementResponse',
+        'cash_account' => '\XeroAPI\XeroPHP\Models\Finance\CashAccountResponse'
     ];
 
     /**
@@ -67,7 +71,11 @@ class CashValidationResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_id' => 'uuid''statement_balance' => null'statement_balance_date' => 'date''bank_statement' => null'cash_account' => null
+        'account_id' => 'uuid',
+        'statement_balance' => null,
+        'statement_balance_date' => 'date',
+        'bank_statement' => null,
+        'cash_account' => null
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_id' => 'accountId''statement_balance' => 'statementBalance''statement_balance_date' => 'statementBalanceDate''bank_statement' => 'bankStatement''cash_account' => 'cashAccount'
+        'account_id' => 'accountId',
+        'statement_balance' => 'statementBalance',
+        'statement_balance_date' => 'statementBalanceDate',
+        'bank_statement' => 'bankStatement',
+        'cash_account' => 'cashAccount'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_id' => 'setAccountId''statement_balance' => 'setStatementBalance''statement_balance_date' => 'setStatementBalanceDate''bank_statement' => 'setBankStatement''cash_account' => 'setCashAccount'
+        'account_id' => 'setAccountId',
+        'statement_balance' => 'setStatementBalance',
+        'statement_balance_date' => 'setStatementBalanceDate',
+        'bank_statement' => 'setBankStatement',
+        'cash_account' => 'setCashAccount'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_id' => 'getAccountId''statement_balance' => 'getStatementBalance''statement_balance_date' => 'getStatementBalanceDate''bank_statement' => 'getBankStatement''cash_account' => 'getCashAccount'
+        'account_id' => 'getAccountId',
+        'statement_balance' => 'getStatementBalance',
+        'statement_balance_date' => 'getStatementBalanceDate',
+        'bank_statement' => 'getBankStatement',
+        'cash_account' => 'getCashAccount'
     ];
 
     /**
diff --git a/lib/Models/Finance/CashflowAccount.php b/lib/Models/Finance/CashflowAccount.php
index d26fbecf..b76cf470 100644
--- a/lib/Models/Finance/CashflowAccount.php
+++ b/lib/Models/Finance/CashflowAccount.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,13 @@ class CashflowAccount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_id' => 'string''account_type' => 'string''account_class' => 'string''code' => 'string''name' => 'string''reporting_code' => 'string''total' => 'double'
+        'account_id' => 'string',
+        'account_type' => 'string',
+        'account_class' => 'string',
+        'code' => 'string',
+        'name' => 'string',
+        'reporting_code' => 'string',
+        'total' => 'double'
     ];
 
     /**
@@ -67,7 +73,13 @@ class CashflowAccount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_id' => 'uuid''account_type' => null'account_class' => null'code' => null'name' => null'reporting_code' => null'total' => 'double'
+        'account_id' => 'uuid',
+        'account_type' => null,
+        'account_class' => null,
+        'code' => null,
+        'name' => null,
+        'reporting_code' => null,
+        'total' => 'double'
     ];
 
     /**
@@ -97,7 +109,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_id' => 'accountId''account_type' => 'accountType''account_class' => 'accountClass''code' => 'code''name' => 'name''reporting_code' => 'reportingCode''total' => 'total'
+        'account_id' => 'accountId',
+        'account_type' => 'accountType',
+        'account_class' => 'accountClass',
+        'code' => 'code',
+        'name' => 'name',
+        'reporting_code' => 'reportingCode',
+        'total' => 'total'
     ];
 
     /**
@@ -106,7 +124,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_id' => 'setAccountId''account_type' => 'setAccountType''account_class' => 'setAccountClass''code' => 'setCode''name' => 'setName''reporting_code' => 'setReportingCode''total' => 'setTotal'
+        'account_id' => 'setAccountId',
+        'account_type' => 'setAccountType',
+        'account_class' => 'setAccountClass',
+        'code' => 'setCode',
+        'name' => 'setName',
+        'reporting_code' => 'setReportingCode',
+        'total' => 'setTotal'
     ];
 
     /**
@@ -115,7 +139,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_id' => 'getAccountId''account_type' => 'getAccountType''account_class' => 'getAccountClass''code' => 'getCode''name' => 'getName''reporting_code' => 'getReportingCode''total' => 'getTotal'
+        'account_id' => 'getAccountId',
+        'account_type' => 'getAccountType',
+        'account_class' => 'getAccountClass',
+        'code' => 'getCode',
+        'name' => 'getName',
+        'reporting_code' => 'getReportingCode',
+        'total' => 'getTotal'
     ];
 
     /**
diff --git a/lib/Models/Finance/CashflowActivity.php b/lib/Models/Finance/CashflowActivity.php
index 121da74a..45776abb 100644
--- a/lib/Models/Finance/CashflowActivity.php
+++ b/lib/Models/Finance/CashflowActivity.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class CashflowActivity implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string''total' => 'double''cashflow_types' => '\XeroAPI\XeroPHP\Models\Finance\CashflowType[]'
+        'name' => 'string',
+        'total' => 'double',
+        'cashflow_types' => '\XeroAPI\XeroPHP\Models\Finance\CashflowType[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class CashflowActivity implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null'total' => 'double''cashflow_types' => null
+        'name' => null,
+        'total' => 'double',
+        'cashflow_types' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'name''total' => 'total''cashflow_types' => 'cashflowTypes'
+        'name' => 'name',
+        'total' => 'total',
+        'cashflow_types' => 'cashflowTypes'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName''total' => 'setTotal''cashflow_types' => 'setCashflowTypes'
+        'name' => 'setName',
+        'total' => 'setTotal',
+        'cashflow_types' => 'setCashflowTypes'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName''total' => 'getTotal''cashflow_types' => 'getCashflowTypes'
+        'name' => 'getName',
+        'total' => 'getTotal',
+        'cashflow_types' => 'getCashflowTypes'
     ];
 
     /**
diff --git a/lib/Models/Finance/CashflowResponse.php b/lib/Models/Finance/CashflowResponse.php
index 29c2838e..9be58f50 100644
--- a/lib/Models/Finance/CashflowResponse.php
+++ b/lib/Models/Finance/CashflowResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class CashflowResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'start_date' => '\DateTime''end_date' => '\DateTime''cash_balance' => '\XeroAPI\XeroPHP\Models\Finance\CashBalance''cashflow_activities' => '\XeroAPI\XeroPHP\Models\Finance\CashflowActivity[]'
+        'start_date' => '\DateTime',
+        'end_date' => '\DateTime',
+        'cash_balance' => '\XeroAPI\XeroPHP\Models\Finance\CashBalance',
+        'cashflow_activities' => '\XeroAPI\XeroPHP\Models\Finance\CashflowActivity[]'
     ];
 
     /**
@@ -67,7 +70,10 @@ class CashflowResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'start_date' => 'date''end_date' => 'date''cash_balance' => null'cashflow_activities' => null
+        'start_date' => 'date',
+        'end_date' => 'date',
+        'cash_balance' => null,
+        'cashflow_activities' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'start_date' => 'startDate''end_date' => 'endDate''cash_balance' => 'cashBalance''cashflow_activities' => 'cashflowActivities'
+        'start_date' => 'startDate',
+        'end_date' => 'endDate',
+        'cash_balance' => 'cashBalance',
+        'cashflow_activities' => 'cashflowActivities'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'start_date' => 'setStartDate''end_date' => 'setEndDate''cash_balance' => 'setCashBalance''cashflow_activities' => 'setCashflowActivities'
+        'start_date' => 'setStartDate',
+        'end_date' => 'setEndDate',
+        'cash_balance' => 'setCashBalance',
+        'cashflow_activities' => 'setCashflowActivities'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'start_date' => 'getStartDate''end_date' => 'getEndDate''cash_balance' => 'getCashBalance''cashflow_activities' => 'getCashflowActivities'
+        'start_date' => 'getStartDate',
+        'end_date' => 'getEndDate',
+        'cash_balance' => 'getCashBalance',
+        'cashflow_activities' => 'getCashflowActivities'
     ];
 
     /**
diff --git a/lib/Models/Finance/CashflowType.php b/lib/Models/Finance/CashflowType.php
index 33fac9ab..2e5e0d37 100644
--- a/lib/Models/Finance/CashflowType.php
+++ b/lib/Models/Finance/CashflowType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class CashflowType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string''total' => 'double''accounts' => '\XeroAPI\XeroPHP\Models\Finance\CashflowAccount[]'
+        'name' => 'string',
+        'total' => 'double',
+        'accounts' => '\XeroAPI\XeroPHP\Models\Finance\CashflowAccount[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class CashflowType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null'total' => 'double''accounts' => null
+        'name' => null,
+        'total' => 'double',
+        'accounts' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'name''total' => 'total''accounts' => 'accounts'
+        'name' => 'name',
+        'total' => 'total',
+        'accounts' => 'accounts'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName''total' => 'setTotal''accounts' => 'setAccounts'
+        'name' => 'setName',
+        'total' => 'setTotal',
+        'accounts' => 'setAccounts'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName''total' => 'getTotal''accounts' => 'getAccounts'
+        'name' => 'getName',
+        'total' => 'getTotal',
+        'accounts' => 'getAccounts'
     ];
 
     /**
diff --git a/lib/Models/Finance/ContactDetail.php b/lib/Models/Finance/ContactDetail.php
index 065632d3..a3d09fe1 100644
--- a/lib/Models/Finance/ContactDetail.php
+++ b/lib/Models/Finance/ContactDetail.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class ContactDetail implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'contact_id' => 'string''name' => 'string''total' => 'double''total_detail' => '\XeroAPI\XeroPHP\Models\Finance\ContactTotalDetail''total_other' => '\XeroAPI\XeroPHP\Models\Finance\ContactTotalOther''account_codes' => 'string[]'
+        'contact_id' => 'string',
+        'name' => 'string',
+        'total' => 'double',
+        'total_detail' => '\XeroAPI\XeroPHP\Models\Finance\ContactTotalDetail',
+        'total_other' => '\XeroAPI\XeroPHP\Models\Finance\ContactTotalOther',
+        'account_codes' => 'string[]'
     ];
 
     /**
@@ -67,7 +72,12 @@ class ContactDetail implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'contact_id' => 'uuid''name' => null'total' => 'double''total_detail' => null'total_other' => null'account_codes' => null
+        'contact_id' => 'uuid',
+        'name' => null,
+        'total' => 'double',
+        'total_detail' => null,
+        'total_other' => null,
+        'account_codes' => null
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'contact_id' => 'contactId''name' => 'name''total' => 'total''total_detail' => 'totalDetail''total_other' => 'totalOther''account_codes' => 'accountCodes'
+        'contact_id' => 'contactId',
+        'name' => 'name',
+        'total' => 'total',
+        'total_detail' => 'totalDetail',
+        'total_other' => 'totalOther',
+        'account_codes' => 'accountCodes'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'contact_id' => 'setContactId''name' => 'setName''total' => 'setTotal''total_detail' => 'setTotalDetail''total_other' => 'setTotalOther''account_codes' => 'setAccountCodes'
+        'contact_id' => 'setContactId',
+        'name' => 'setName',
+        'total' => 'setTotal',
+        'total_detail' => 'setTotalDetail',
+        'total_other' => 'setTotalOther',
+        'account_codes' => 'setAccountCodes'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'contact_id' => 'getContactId''name' => 'getName''total' => 'getTotal''total_detail' => 'getTotalDetail''total_other' => 'getTotalOther''account_codes' => 'getAccountCodes'
+        'contact_id' => 'getContactId',
+        'name' => 'getName',
+        'total' => 'getTotal',
+        'total_detail' => 'getTotalDetail',
+        'total_other' => 'getTotalOther',
+        'account_codes' => 'getAccountCodes'
     ];
 
     /**
diff --git a/lib/Models/Finance/ContactResponse.php b/lib/Models/Finance/ContactResponse.php
index 82901bb6..29a4a64a 100644
--- a/lib/Models/Finance/ContactResponse.php
+++ b/lib/Models/Finance/ContactResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class ContactResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'contact_id' => 'string''contact_name' => 'string'
+        'contact_id' => 'string',
+        'contact_name' => 'string'
     ];
 
     /**
@@ -67,7 +68,8 @@ class ContactResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'contact_id' => 'uuid''contact_name' => null
+        'contact_id' => 'uuid',
+        'contact_name' => null
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'contact_id' => 'contactId''contact_name' => 'contactName'
+        'contact_id' => 'contactId',
+        'contact_name' => 'contactName'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'contact_id' => 'setContactId''contact_name' => 'setContactName'
+        'contact_id' => 'setContactId',
+        'contact_name' => 'setContactName'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'contact_id' => 'getContactId''contact_name' => 'getContactName'
+        'contact_id' => 'getContactId',
+        'contact_name' => 'getContactName'
     ];
 
     /**
diff --git a/lib/Models/Finance/ContactTotalDetail.php b/lib/Models/Finance/ContactTotalDetail.php
index 2a4f7e2d..1aeb6533 100644
--- a/lib/Models/Finance/ContactTotalDetail.php
+++ b/lib/Models/Finance/ContactTotalDetail.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class ContactTotalDetail implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'total_paid' => 'double''total_outstanding' => 'double''total_credited_un_applied' => 'double'
+        'total_paid' => 'double',
+        'total_outstanding' => 'double',
+        'total_credited_un_applied' => 'double'
     ];
 
     /**
@@ -67,7 +69,9 @@ class ContactTotalDetail implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'total_paid' => 'double''total_outstanding' => 'double''total_credited_un_applied' => 'double'
+        'total_paid' => 'double',
+        'total_outstanding' => 'double',
+        'total_credited_un_applied' => 'double'
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'total_paid' => 'totalPaid''total_outstanding' => 'totalOutstanding''total_credited_un_applied' => 'totalCreditedUnApplied'
+        'total_paid' => 'totalPaid',
+        'total_outstanding' => 'totalOutstanding',
+        'total_credited_un_applied' => 'totalCreditedUnApplied'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'total_paid' => 'setTotalPaid''total_outstanding' => 'setTotalOutstanding''total_credited_un_applied' => 'setTotalCreditedUnApplied'
+        'total_paid' => 'setTotalPaid',
+        'total_outstanding' => 'setTotalOutstanding',
+        'total_credited_un_applied' => 'setTotalCreditedUnApplied'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'total_paid' => 'getTotalPaid''total_outstanding' => 'getTotalOutstanding''total_credited_un_applied' => 'getTotalCreditedUnApplied'
+        'total_paid' => 'getTotalPaid',
+        'total_outstanding' => 'getTotalOutstanding',
+        'total_credited_un_applied' => 'getTotalCreditedUnApplied'
     ];
 
     /**
diff --git a/lib/Models/Finance/ContactTotalOther.php b/lib/Models/Finance/ContactTotalOther.php
index 2d0a30da..8cee9cb1 100644
--- a/lib/Models/Finance/ContactTotalOther.php
+++ b/lib/Models/Finance/ContactTotalOther.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class ContactTotalOther implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'total_outstanding_aged' => 'double''total_voided' => 'double''total_credited' => 'double''transaction_count' => 'int'
+        'total_outstanding_aged' => 'double',
+        'total_voided' => 'double',
+        'total_credited' => 'double',
+        'transaction_count' => 'int'
     ];
 
     /**
@@ -67,7 +70,10 @@ class ContactTotalOther implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'total_outstanding_aged' => 'double''total_voided' => 'double''total_credited' => 'double''transaction_count' => 'int32'
+        'total_outstanding_aged' => 'double',
+        'total_voided' => 'double',
+        'total_credited' => 'double',
+        'transaction_count' => 'int32'
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'total_outstanding_aged' => 'totalOutstandingAged''total_voided' => 'totalVoided''total_credited' => 'totalCredited''transaction_count' => 'transactionCount'
+        'total_outstanding_aged' => 'totalOutstandingAged',
+        'total_voided' => 'totalVoided',
+        'total_credited' => 'totalCredited',
+        'transaction_count' => 'transactionCount'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'total_outstanding_aged' => 'setTotalOutstandingAged''total_voided' => 'setTotalVoided''total_credited' => 'setTotalCredited''transaction_count' => 'setTransactionCount'
+        'total_outstanding_aged' => 'setTotalOutstandingAged',
+        'total_voided' => 'setTotalVoided',
+        'total_credited' => 'setTotalCredited',
+        'transaction_count' => 'setTransactionCount'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'total_outstanding_aged' => 'getTotalOutstandingAged''total_voided' => 'getTotalVoided''total_credited' => 'getTotalCredited''transaction_count' => 'getTransactionCount'
+        'total_outstanding_aged' => 'getTotalOutstandingAged',
+        'total_voided' => 'getTotalVoided',
+        'total_credited' => 'getTotalCredited',
+        'transaction_count' => 'getTransactionCount'
     ];
 
     /**
diff --git a/lib/Models/Finance/CreditNoteResponse.php b/lib/Models/Finance/CreditNoteResponse.php
index 55b0bab0..a6f9874b 100644
--- a/lib/Models/Finance/CreditNoteResponse.php
+++ b/lib/Models/Finance/CreditNoteResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class CreditNoteResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'credit_note_id' => 'string''contact' => '\XeroAPI\XeroPHP\Models\Finance\ContactResponse''total' => 'double''line_items' => '\XeroAPI\XeroPHP\Models\Finance\LineItemResponse[]'
+        'credit_note_id' => 'string',
+        'contact' => '\XeroAPI\XeroPHP\Models\Finance\ContactResponse',
+        'total' => 'double',
+        'line_items' => '\XeroAPI\XeroPHP\Models\Finance\LineItemResponse[]'
     ];
 
     /**
@@ -67,7 +70,10 @@ class CreditNoteResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'credit_note_id' => 'uuid''contact' => null'total' => 'double''line_items' => null
+        'credit_note_id' => 'uuid',
+        'contact' => null,
+        'total' => 'double',
+        'line_items' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'credit_note_id' => 'creditNoteId''contact' => 'contact''total' => 'total''line_items' => 'lineItems'
+        'credit_note_id' => 'creditNoteId',
+        'contact' => 'contact',
+        'total' => 'total',
+        'line_items' => 'lineItems'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'credit_note_id' => 'setCreditNoteId''contact' => 'setContact''total' => 'setTotal''line_items' => 'setLineItems'
+        'credit_note_id' => 'setCreditNoteId',
+        'contact' => 'setContact',
+        'total' => 'setTotal',
+        'line_items' => 'setLineItems'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'credit_note_id' => 'getCreditNoteId''contact' => 'getContact''total' => 'getTotal''line_items' => 'getLineItems'
+        'credit_note_id' => 'getCreditNoteId',
+        'contact' => 'getContact',
+        'total' => 'getTotal',
+        'line_items' => 'getLineItems'
     ];
 
     /**
diff --git a/lib/Models/Finance/CurrentStatementResponse.php b/lib/Models/Finance/CurrentStatementResponse.php
index 1dcb3328..eef40edf 100644
--- a/lib/Models/Finance/CurrentStatementResponse.php
+++ b/lib/Models/Finance/CurrentStatementResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class CurrentStatementResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'start_date' => '\DateTime''end_date' => '\DateTime''start_balance' => 'double''end_balance' => 'double''imported_date_time_utc' => '\DateTime''import_source_type' => 'string'
+        'start_date' => '\DateTime',
+        'end_date' => '\DateTime',
+        'start_balance' => 'double',
+        'end_balance' => 'double',
+        'imported_date_time_utc' => '\DateTime',
+        'import_source_type' => 'string'
     ];
 
     /**
@@ -67,7 +72,12 @@ class CurrentStatementResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'start_date' => 'date''end_date' => 'date''start_balance' => 'double''end_balance' => 'double''imported_date_time_utc' => 'date-time''import_source_type' => null
+        'start_date' => 'date',
+        'end_date' => 'date',
+        'start_balance' => 'double',
+        'end_balance' => 'double',
+        'imported_date_time_utc' => 'date-time',
+        'import_source_type' => null
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'start_date' => 'startDate''end_date' => 'endDate''start_balance' => 'startBalance''end_balance' => 'endBalance''imported_date_time_utc' => 'importedDateTimeUtc''import_source_type' => 'importSourceType'
+        'start_date' => 'startDate',
+        'end_date' => 'endDate',
+        'start_balance' => 'startBalance',
+        'end_balance' => 'endBalance',
+        'imported_date_time_utc' => 'importedDateTimeUtc',
+        'import_source_type' => 'importSourceType'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'start_date' => 'setStartDate''end_date' => 'setEndDate''start_balance' => 'setStartBalance''end_balance' => 'setEndBalance''imported_date_time_utc' => 'setImportedDateTimeUtc''import_source_type' => 'setImportSourceType'
+        'start_date' => 'setStartDate',
+        'end_date' => 'setEndDate',
+        'start_balance' => 'setStartBalance',
+        'end_balance' => 'setEndBalance',
+        'imported_date_time_utc' => 'setImportedDateTimeUtc',
+        'import_source_type' => 'setImportSourceType'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'start_date' => 'getStartDate''end_date' => 'getEndDate''start_balance' => 'getStartBalance''end_balance' => 'getEndBalance''imported_date_time_utc' => 'getImportedDateTimeUtc''import_source_type' => 'getImportSourceType'
+        'start_date' => 'getStartDate',
+        'end_date' => 'getEndDate',
+        'start_balance' => 'getStartBalance',
+        'end_balance' => 'getEndBalance',
+        'imported_date_time_utc' => 'getImportedDateTimeUtc',
+        'import_source_type' => 'getImportSourceType'
     ];
 
     /**
diff --git a/lib/Models/Finance/DataSourceResponse.php b/lib/Models/Finance/DataSourceResponse.php
index ccd4fd12..cf195bff 100644
--- a/lib/Models/Finance/DataSourceResponse.php
+++ b/lib/Models/Finance/DataSourceResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,21 @@ class DataSourceResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'direct_bank_feed' => 'double''indirect_bank_feed' => 'double''file_upload' => 'double''manual' => 'double''direct_bank_feed_pos' => 'double''indirect_bank_feed_pos' => 'double''file_upload_pos' => 'double''manual_pos' => 'double''direct_bank_feed_neg' => 'double''indirect_bank_feed_neg' => 'double''file_upload_neg' => 'double''manual_neg' => 'double''other_pos' => 'double''other_neg' => 'double''other' => 'double'
+        'direct_bank_feed' => 'double',
+        'indirect_bank_feed' => 'double',
+        'file_upload' => 'double',
+        'manual' => 'double',
+        'direct_bank_feed_pos' => 'double',
+        'indirect_bank_feed_pos' => 'double',
+        'file_upload_pos' => 'double',
+        'manual_pos' => 'double',
+        'direct_bank_feed_neg' => 'double',
+        'indirect_bank_feed_neg' => 'double',
+        'file_upload_neg' => 'double',
+        'manual_neg' => 'double',
+        'other_pos' => 'double',
+        'other_neg' => 'double',
+        'other' => 'double'
     ];
 
     /**
@@ -67,7 +81,21 @@ class DataSourceResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'direct_bank_feed' => 'double''indirect_bank_feed' => 'double''file_upload' => 'double''manual' => 'double''direct_bank_feed_pos' => 'double''indirect_bank_feed_pos' => 'double''file_upload_pos' => 'double''manual_pos' => 'double''direct_bank_feed_neg' => 'double''indirect_bank_feed_neg' => 'double''file_upload_neg' => 'double''manual_neg' => 'double''other_pos' => 'double''other_neg' => 'double''other' => 'double'
+        'direct_bank_feed' => 'double',
+        'indirect_bank_feed' => 'double',
+        'file_upload' => 'double',
+        'manual' => 'double',
+        'direct_bank_feed_pos' => 'double',
+        'indirect_bank_feed_pos' => 'double',
+        'file_upload_pos' => 'double',
+        'manual_pos' => 'double',
+        'direct_bank_feed_neg' => 'double',
+        'indirect_bank_feed_neg' => 'double',
+        'file_upload_neg' => 'double',
+        'manual_neg' => 'double',
+        'other_pos' => 'double',
+        'other_neg' => 'double',
+        'other' => 'double'
     ];
 
     /**
@@ -97,7 +125,21 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'direct_bank_feed' => 'directBankFeed''indirect_bank_feed' => 'indirectBankFeed''file_upload' => 'fileUpload''manual' => 'manual''direct_bank_feed_pos' => 'directBankFeedPos''indirect_bank_feed_pos' => 'indirectBankFeedPos''file_upload_pos' => 'fileUploadPos''manual_pos' => 'manualPos''direct_bank_feed_neg' => 'directBankFeedNeg''indirect_bank_feed_neg' => 'indirectBankFeedNeg''file_upload_neg' => 'fileUploadNeg''manual_neg' => 'manualNeg''other_pos' => 'otherPos''other_neg' => 'otherNeg''other' => 'other'
+        'direct_bank_feed' => 'directBankFeed',
+        'indirect_bank_feed' => 'indirectBankFeed',
+        'file_upload' => 'fileUpload',
+        'manual' => 'manual',
+        'direct_bank_feed_pos' => 'directBankFeedPos',
+        'indirect_bank_feed_pos' => 'indirectBankFeedPos',
+        'file_upload_pos' => 'fileUploadPos',
+        'manual_pos' => 'manualPos',
+        'direct_bank_feed_neg' => 'directBankFeedNeg',
+        'indirect_bank_feed_neg' => 'indirectBankFeedNeg',
+        'file_upload_neg' => 'fileUploadNeg',
+        'manual_neg' => 'manualNeg',
+        'other_pos' => 'otherPos',
+        'other_neg' => 'otherNeg',
+        'other' => 'other'
     ];
 
     /**
@@ -106,7 +148,21 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'direct_bank_feed' => 'setDirectBankFeed''indirect_bank_feed' => 'setIndirectBankFeed''file_upload' => 'setFileUpload''manual' => 'setManual''direct_bank_feed_pos' => 'setDirectBankFeedPos''indirect_bank_feed_pos' => 'setIndirectBankFeedPos''file_upload_pos' => 'setFileUploadPos''manual_pos' => 'setManualPos''direct_bank_feed_neg' => 'setDirectBankFeedNeg''indirect_bank_feed_neg' => 'setIndirectBankFeedNeg''file_upload_neg' => 'setFileUploadNeg''manual_neg' => 'setManualNeg''other_pos' => 'setOtherPos''other_neg' => 'setOtherNeg''other' => 'setOther'
+        'direct_bank_feed' => 'setDirectBankFeed',
+        'indirect_bank_feed' => 'setIndirectBankFeed',
+        'file_upload' => 'setFileUpload',
+        'manual' => 'setManual',
+        'direct_bank_feed_pos' => 'setDirectBankFeedPos',
+        'indirect_bank_feed_pos' => 'setIndirectBankFeedPos',
+        'file_upload_pos' => 'setFileUploadPos',
+        'manual_pos' => 'setManualPos',
+        'direct_bank_feed_neg' => 'setDirectBankFeedNeg',
+        'indirect_bank_feed_neg' => 'setIndirectBankFeedNeg',
+        'file_upload_neg' => 'setFileUploadNeg',
+        'manual_neg' => 'setManualNeg',
+        'other_pos' => 'setOtherPos',
+        'other_neg' => 'setOtherNeg',
+        'other' => 'setOther'
     ];
 
     /**
@@ -115,7 +171,21 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'direct_bank_feed' => 'getDirectBankFeed''indirect_bank_feed' => 'getIndirectBankFeed''file_upload' => 'getFileUpload''manual' => 'getManual''direct_bank_feed_pos' => 'getDirectBankFeedPos''indirect_bank_feed_pos' => 'getIndirectBankFeedPos''file_upload_pos' => 'getFileUploadPos''manual_pos' => 'getManualPos''direct_bank_feed_neg' => 'getDirectBankFeedNeg''indirect_bank_feed_neg' => 'getIndirectBankFeedNeg''file_upload_neg' => 'getFileUploadNeg''manual_neg' => 'getManualNeg''other_pos' => 'getOtherPos''other_neg' => 'getOtherNeg''other' => 'getOther'
+        'direct_bank_feed' => 'getDirectBankFeed',
+        'indirect_bank_feed' => 'getIndirectBankFeed',
+        'file_upload' => 'getFileUpload',
+        'manual' => 'getManual',
+        'direct_bank_feed_pos' => 'getDirectBankFeedPos',
+        'indirect_bank_feed_pos' => 'getIndirectBankFeedPos',
+        'file_upload_pos' => 'getFileUploadPos',
+        'manual_pos' => 'getManualPos',
+        'direct_bank_feed_neg' => 'getDirectBankFeedNeg',
+        'indirect_bank_feed_neg' => 'getIndirectBankFeedNeg',
+        'file_upload_neg' => 'getFileUploadNeg',
+        'manual_neg' => 'getManualNeg',
+        'other_pos' => 'getOtherPos',
+        'other_neg' => 'getOtherNeg',
+        'other' => 'getOther'
     ];
 
     /**
diff --git a/lib/Models/Finance/HistoryRecordResponse.php b/lib/Models/Finance/HistoryRecordResponse.php
index 5ef9cd21..3aaac190 100644
--- a/lib/Models/Finance/HistoryRecordResponse.php
+++ b/lib/Models/Finance/HistoryRecordResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class HistoryRecordResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'changes' => 'string''date_utc_string' => 'string''date_utc' => '\DateTime''user' => 'string''details' => 'string'
+        'changes' => 'string',
+        'date_utc_string' => 'string',
+        'date_utc' => '\DateTime',
+        'user' => 'string',
+        'details' => 'string'
     ];
 
     /**
@@ -67,7 +71,11 @@ class HistoryRecordResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'changes' => null'date_utc_string' => null'date_utc' => 'date-time''user' => null'details' => null
+        'changes' => null,
+        'date_utc_string' => null,
+        'date_utc' => 'date-time',
+        'user' => null,
+        'details' => null
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'changes' => 'changes''date_utc_string' => 'dateUTCString''date_utc' => 'dateUTC''user' => 'user''details' => 'details'
+        'changes' => 'changes',
+        'date_utc_string' => 'dateUTCString',
+        'date_utc' => 'dateUTC',
+        'user' => 'user',
+        'details' => 'details'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'changes' => 'setChanges''date_utc_string' => 'setDateUtcString''date_utc' => 'setDateUtc''user' => 'setUser''details' => 'setDetails'
+        'changes' => 'setChanges',
+        'date_utc_string' => 'setDateUtcString',
+        'date_utc' => 'setDateUtc',
+        'user' => 'setUser',
+        'details' => 'setDetails'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'changes' => 'getChanges''date_utc_string' => 'getDateUtcString''date_utc' => 'getDateUtc''user' => 'getUser''details' => 'getDetails'
+        'changes' => 'getChanges',
+        'date_utc_string' => 'getDateUtcString',
+        'date_utc' => 'getDateUtc',
+        'user' => 'getUser',
+        'details' => 'getDetails'
     ];
 
     /**
diff --git a/lib/Models/Finance/IncomeByContactResponse.php b/lib/Models/Finance/IncomeByContactResponse.php
index 6d164a61..7b3d745c 100644
--- a/lib/Models/Finance/IncomeByContactResponse.php
+++ b/lib/Models/Finance/IncomeByContactResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,13 @@ class IncomeByContactResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'start_date' => '\DateTime''end_date' => '\DateTime''total' => 'double''total_detail' => '\XeroAPI\XeroPHP\Models\Finance\TotalDetail''total_other' => '\XeroAPI\XeroPHP\Models\Finance\TotalOther''contacts' => '\XeroAPI\XeroPHP\Models\Finance\ContactDetail[]''manual_journals' => '\XeroAPI\XeroPHP\Models\Finance\ManualJournalTotal'
+        'start_date' => '\DateTime',
+        'end_date' => '\DateTime',
+        'total' => 'double',
+        'total_detail' => '\XeroAPI\XeroPHP\Models\Finance\TotalDetail',
+        'total_other' => '\XeroAPI\XeroPHP\Models\Finance\TotalOther',
+        'contacts' => '\XeroAPI\XeroPHP\Models\Finance\ContactDetail[]',
+        'manual_journals' => '\XeroAPI\XeroPHP\Models\Finance\ManualJournalTotal'
     ];
 
     /**
@@ -67,7 +73,13 @@ class IncomeByContactResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'start_date' => 'date''end_date' => 'date''total' => 'double''total_detail' => null'total_other' => null'contacts' => null'manual_journals' => null
+        'start_date' => 'date',
+        'end_date' => 'date',
+        'total' => 'double',
+        'total_detail' => null,
+        'total_other' => null,
+        'contacts' => null,
+        'manual_journals' => null
     ];
 
     /**
@@ -97,7 +109,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'start_date' => 'startDate''end_date' => 'endDate''total' => 'total''total_detail' => 'totalDetail''total_other' => 'totalOther''contacts' => 'contacts''manual_journals' => 'manualJournals'
+        'start_date' => 'startDate',
+        'end_date' => 'endDate',
+        'total' => 'total',
+        'total_detail' => 'totalDetail',
+        'total_other' => 'totalOther',
+        'contacts' => 'contacts',
+        'manual_journals' => 'manualJournals'
     ];
 
     /**
@@ -106,7 +124,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'start_date' => 'setStartDate''end_date' => 'setEndDate''total' => 'setTotal''total_detail' => 'setTotalDetail''total_other' => 'setTotalOther''contacts' => 'setContacts''manual_journals' => 'setManualJournals'
+        'start_date' => 'setStartDate',
+        'end_date' => 'setEndDate',
+        'total' => 'setTotal',
+        'total_detail' => 'setTotalDetail',
+        'total_other' => 'setTotalOther',
+        'contacts' => 'setContacts',
+        'manual_journals' => 'setManualJournals'
     ];
 
     /**
@@ -115,7 +139,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'start_date' => 'getStartDate''end_date' => 'getEndDate''total' => 'getTotal''total_detail' => 'getTotalDetail''total_other' => 'getTotalOther''contacts' => 'getContacts''manual_journals' => 'getManualJournals'
+        'start_date' => 'getStartDate',
+        'end_date' => 'getEndDate',
+        'total' => 'getTotal',
+        'total_detail' => 'getTotalDetail',
+        'total_other' => 'getTotalOther',
+        'contacts' => 'getContacts',
+        'manual_journals' => 'getManualJournals'
     ];
 
     /**
diff --git a/lib/Models/Finance/InvoiceResponse.php b/lib/Models/Finance/InvoiceResponse.php
index 2fbdfb4f..0d15ac83 100644
--- a/lib/Models/Finance/InvoiceResponse.php
+++ b/lib/Models/Finance/InvoiceResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class InvoiceResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'invoice_id' => 'string''contact' => '\XeroAPI\XeroPHP\Models\Finance\ContactResponse''total' => 'double''line_items' => '\XeroAPI\XeroPHP\Models\Finance\LineItemResponse[]'
+        'invoice_id' => 'string',
+        'contact' => '\XeroAPI\XeroPHP\Models\Finance\ContactResponse',
+        'total' => 'double',
+        'line_items' => '\XeroAPI\XeroPHP\Models\Finance\LineItemResponse[]'
     ];
 
     /**
@@ -67,7 +70,10 @@ class InvoiceResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'invoice_id' => 'uuid''contact' => null'total' => 'double''line_items' => null
+        'invoice_id' => 'uuid',
+        'contact' => null,
+        'total' => 'double',
+        'line_items' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'invoice_id' => 'invoiceId''contact' => 'contact''total' => 'total''line_items' => 'lineItems'
+        'invoice_id' => 'invoiceId',
+        'contact' => 'contact',
+        'total' => 'total',
+        'line_items' => 'lineItems'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'invoice_id' => 'setInvoiceId''contact' => 'setContact''total' => 'setTotal''line_items' => 'setLineItems'
+        'invoice_id' => 'setInvoiceId',
+        'contact' => 'setContact',
+        'total' => 'setTotal',
+        'line_items' => 'setLineItems'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'invoice_id' => 'getInvoiceId''contact' => 'getContact''total' => 'getTotal''line_items' => 'getLineItems'
+        'invoice_id' => 'getInvoiceId',
+        'contact' => 'getContact',
+        'total' => 'getTotal',
+        'line_items' => 'getLineItems'
     ];
 
     /**
diff --git a/lib/Models/Finance/LineItemResponse.php b/lib/Models/Finance/LineItemResponse.php
index 4515c210..21158746 100644
--- a/lib/Models/Finance/LineItemResponse.php
+++ b/lib/Models/Finance/LineItemResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class LineItemResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_id' => 'string''reporting_code' => 'string''line_amount' => 'double''account_type' => 'string'
+        'account_id' => 'string',
+        'reporting_code' => 'string',
+        'line_amount' => 'double',
+        'account_type' => 'string'
     ];
 
     /**
@@ -67,7 +70,10 @@ class LineItemResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_id' => 'uuid''reporting_code' => null'line_amount' => 'double''account_type' => null
+        'account_id' => 'uuid',
+        'reporting_code' => null,
+        'line_amount' => 'double',
+        'account_type' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_id' => 'accountId''reporting_code' => 'reportingCode''line_amount' => 'lineAmount''account_type' => 'accountType'
+        'account_id' => 'accountId',
+        'reporting_code' => 'reportingCode',
+        'line_amount' => 'lineAmount',
+        'account_type' => 'accountType'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_id' => 'setAccountId''reporting_code' => 'setReportingCode''line_amount' => 'setLineAmount''account_type' => 'setAccountType'
+        'account_id' => 'setAccountId',
+        'reporting_code' => 'setReportingCode',
+        'line_amount' => 'setLineAmount',
+        'account_type' => 'setAccountType'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_id' => 'getAccountId''reporting_code' => 'getReportingCode''line_amount' => 'getLineAmount''account_type' => 'getAccountType'
+        'account_id' => 'getAccountId',
+        'reporting_code' => 'getReportingCode',
+        'line_amount' => 'getLineAmount',
+        'account_type' => 'getAccountType'
     ];
 
     /**
diff --git a/lib/Models/Finance/LockHistoryModel.php b/lib/Models/Finance/LockHistoryModel.php
index 4a4fa4cc..94dba713 100644
--- a/lib/Models/Finance/LockHistoryModel.php
+++ b/lib/Models/Finance/LockHistoryModel.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class LockHistoryModel implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'hard_lock_date' => '\DateTime''soft_lock_date' => '\DateTime''updated_date_utc' => '\DateTime'
+        'hard_lock_date' => '\DateTime',
+        'soft_lock_date' => '\DateTime',
+        'updated_date_utc' => '\DateTime'
     ];
 
     /**
@@ -67,7 +69,9 @@ class LockHistoryModel implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'hard_lock_date' => 'date''soft_lock_date' => 'date''updated_date_utc' => 'date-time'
+        'hard_lock_date' => 'date',
+        'soft_lock_date' => 'date',
+        'updated_date_utc' => 'date-time'
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'hard_lock_date' => 'hardLockDate''soft_lock_date' => 'softLockDate''updated_date_utc' => 'updatedDateUtc'
+        'hard_lock_date' => 'hardLockDate',
+        'soft_lock_date' => 'softLockDate',
+        'updated_date_utc' => 'updatedDateUtc'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'hard_lock_date' => 'setHardLockDate''soft_lock_date' => 'setSoftLockDate''updated_date_utc' => 'setUpdatedDateUtc'
+        'hard_lock_date' => 'setHardLockDate',
+        'soft_lock_date' => 'setSoftLockDate',
+        'updated_date_utc' => 'setUpdatedDateUtc'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'hard_lock_date' => 'getHardLockDate''soft_lock_date' => 'getSoftLockDate''updated_date_utc' => 'getUpdatedDateUtc'
+        'hard_lock_date' => 'getHardLockDate',
+        'soft_lock_date' => 'getSoftLockDate',
+        'updated_date_utc' => 'getUpdatedDateUtc'
     ];
 
     /**
diff --git a/lib/Models/Finance/LockHistoryResponse.php b/lib/Models/Finance/LockHistoryResponse.php
index eb9b74bc..4a9830a0 100644
--- a/lib/Models/Finance/LockHistoryResponse.php
+++ b/lib/Models/Finance/LockHistoryResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class LockHistoryResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'organisation_id' => 'string''end_date' => '\DateTime''lock_dates' => '\XeroAPI\XeroPHP\Models\Finance\LockHistoryModel[]'
+        'organisation_id' => 'string',
+        'end_date' => '\DateTime',
+        'lock_dates' => '\XeroAPI\XeroPHP\Models\Finance\LockHistoryModel[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class LockHistoryResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'organisation_id' => 'uuid''end_date' => 'date''lock_dates' => null
+        'organisation_id' => 'uuid',
+        'end_date' => 'date',
+        'lock_dates' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'organisation_id' => 'organisationId''end_date' => 'endDate''lock_dates' => 'lockDates'
+        'organisation_id' => 'organisationId',
+        'end_date' => 'endDate',
+        'lock_dates' => 'lockDates'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'organisation_id' => 'setOrganisationId''end_date' => 'setEndDate''lock_dates' => 'setLockDates'
+        'organisation_id' => 'setOrganisationId',
+        'end_date' => 'setEndDate',
+        'lock_dates' => 'setLockDates'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'organisation_id' => 'getOrganisationId''end_date' => 'getEndDate''lock_dates' => 'getLockDates'
+        'organisation_id' => 'getOrganisationId',
+        'end_date' => 'getEndDate',
+        'lock_dates' => 'getLockDates'
     ];
 
     /**
diff --git a/lib/Models/Finance/ManualJournalTotal.php b/lib/Models/Finance/ManualJournalTotal.php
index f1a2211f..7dc45501 100644
--- a/lib/Models/Finance/ManualJournalTotal.php
+++ b/lib/Models/Finance/ManualJournalTotal.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Finance/ModelInterface.php b/lib/Models/Finance/ModelInterface.php
index e4735c05..c76ec9b9 100644
--- a/lib/Models/Finance/ModelInterface.php
+++ b/lib/Models/Finance/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Finance/OverpaymentResponse.php b/lib/Models/Finance/OverpaymentResponse.php
index 0c13392a..3a303874 100644
--- a/lib/Models/Finance/OverpaymentResponse.php
+++ b/lib/Models/Finance/OverpaymentResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class OverpaymentResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'overpayment_id' => 'string''contact' => '\XeroAPI\XeroPHP\Models\Finance\ContactResponse''total' => 'double''line_items' => '\XeroAPI\XeroPHP\Models\Finance\LineItemResponse[]'
+        'overpayment_id' => 'string',
+        'contact' => '\XeroAPI\XeroPHP\Models\Finance\ContactResponse',
+        'total' => 'double',
+        'line_items' => '\XeroAPI\XeroPHP\Models\Finance\LineItemResponse[]'
     ];
 
     /**
@@ -67,7 +70,10 @@ class OverpaymentResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'overpayment_id' => 'uuid''contact' => null'total' => 'double''line_items' => null
+        'overpayment_id' => 'uuid',
+        'contact' => null,
+        'total' => 'double',
+        'line_items' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'overpayment_id' => 'overpaymentId''contact' => 'contact''total' => 'total''line_items' => 'lineItems'
+        'overpayment_id' => 'overpaymentId',
+        'contact' => 'contact',
+        'total' => 'total',
+        'line_items' => 'lineItems'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'overpayment_id' => 'setOverpaymentId''contact' => 'setContact''total' => 'setTotal''line_items' => 'setLineItems'
+        'overpayment_id' => 'setOverpaymentId',
+        'contact' => 'setContact',
+        'total' => 'setTotal',
+        'line_items' => 'setLineItems'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'overpayment_id' => 'getOverpaymentId''contact' => 'getContact''total' => 'getTotal''line_items' => 'getLineItems'
+        'overpayment_id' => 'getOverpaymentId',
+        'contact' => 'getContact',
+        'total' => 'getTotal',
+        'line_items' => 'getLineItems'
     ];
 
     /**
diff --git a/lib/Models/Finance/PaymentResponse.php b/lib/Models/Finance/PaymentResponse.php
index d3979d8e..5ba6710f 100644
--- a/lib/Models/Finance/PaymentResponse.php
+++ b/lib/Models/Finance/PaymentResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,16 @@ class PaymentResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'payment_id' => 'string''batch_payment_id' => 'string''date' => '\DateTime''amount' => 'double''bank_amount' => 'double''currency_rate' => 'double''invoice' => '\XeroAPI\XeroPHP\Models\Finance\InvoiceResponse''credit_note' => '\XeroAPI\XeroPHP\Models\Finance\CreditNoteResponse''prepayment' => '\XeroAPI\XeroPHP\Models\Finance\PrepaymentResponse''overpayment' => '\XeroAPI\XeroPHP\Models\Finance\OverpaymentResponse'
+        'payment_id' => 'string',
+        'batch_payment_id' => 'string',
+        'date' => '\DateTime',
+        'amount' => 'double',
+        'bank_amount' => 'double',
+        'currency_rate' => 'double',
+        'invoice' => '\XeroAPI\XeroPHP\Models\Finance\InvoiceResponse',
+        'credit_note' => '\XeroAPI\XeroPHP\Models\Finance\CreditNoteResponse',
+        'prepayment' => '\XeroAPI\XeroPHP\Models\Finance\PrepaymentResponse',
+        'overpayment' => '\XeroAPI\XeroPHP\Models\Finance\OverpaymentResponse'
     ];
 
     /**
@@ -67,7 +76,16 @@ class PaymentResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'payment_id' => 'uuid''batch_payment_id' => 'uuid''date' => 'date''amount' => 'double''bank_amount' => 'double''currency_rate' => 'double''invoice' => null'credit_note' => null'prepayment' => null'overpayment' => null
+        'payment_id' => 'uuid',
+        'batch_payment_id' => 'uuid',
+        'date' => 'date',
+        'amount' => 'double',
+        'bank_amount' => 'double',
+        'currency_rate' => 'double',
+        'invoice' => null,
+        'credit_note' => null,
+        'prepayment' => null,
+        'overpayment' => null
     ];
 
     /**
@@ -97,7 +115,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'payment_id' => 'paymentId''batch_payment_id' => 'batchPaymentId''date' => 'date''amount' => 'amount''bank_amount' => 'bankAmount''currency_rate' => 'currencyRate''invoice' => 'invoice''credit_note' => 'creditNote''prepayment' => 'prepayment''overpayment' => 'overpayment'
+        'payment_id' => 'paymentId',
+        'batch_payment_id' => 'batchPaymentId',
+        'date' => 'date',
+        'amount' => 'amount',
+        'bank_amount' => 'bankAmount',
+        'currency_rate' => 'currencyRate',
+        'invoice' => 'invoice',
+        'credit_note' => 'creditNote',
+        'prepayment' => 'prepayment',
+        'overpayment' => 'overpayment'
     ];
 
     /**
@@ -106,7 +133,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'payment_id' => 'setPaymentId''batch_payment_id' => 'setBatchPaymentId''date' => 'setDate''amount' => 'setAmount''bank_amount' => 'setBankAmount''currency_rate' => 'setCurrencyRate''invoice' => 'setInvoice''credit_note' => 'setCreditNote''prepayment' => 'setPrepayment''overpayment' => 'setOverpayment'
+        'payment_id' => 'setPaymentId',
+        'batch_payment_id' => 'setBatchPaymentId',
+        'date' => 'setDate',
+        'amount' => 'setAmount',
+        'bank_amount' => 'setBankAmount',
+        'currency_rate' => 'setCurrencyRate',
+        'invoice' => 'setInvoice',
+        'credit_note' => 'setCreditNote',
+        'prepayment' => 'setPrepayment',
+        'overpayment' => 'setOverpayment'
     ];
 
     /**
@@ -115,7 +151,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'payment_id' => 'getPaymentId''batch_payment_id' => 'getBatchPaymentId''date' => 'getDate''amount' => 'getAmount''bank_amount' => 'getBankAmount''currency_rate' => 'getCurrencyRate''invoice' => 'getInvoice''credit_note' => 'getCreditNote''prepayment' => 'getPrepayment''overpayment' => 'getOverpayment'
+        'payment_id' => 'getPaymentId',
+        'batch_payment_id' => 'getBatchPaymentId',
+        'date' => 'getDate',
+        'amount' => 'getAmount',
+        'bank_amount' => 'getBankAmount',
+        'currency_rate' => 'getCurrencyRate',
+        'invoice' => 'getInvoice',
+        'credit_note' => 'getCreditNote',
+        'prepayment' => 'getPrepayment',
+        'overpayment' => 'getOverpayment'
     ];
 
     /**
diff --git a/lib/Models/Finance/PnlAccount.php b/lib/Models/Finance/PnlAccount.php
index 4933acb4..c297bd7d 100644
--- a/lib/Models/Finance/PnlAccount.php
+++ b/lib/Models/Finance/PnlAccount.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class PnlAccount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_id' => 'string''account_type' => 'string''code' => 'string''name' => 'string''reporting_code' => 'string''total' => 'double'
+        'account_id' => 'string',
+        'account_type' => 'string',
+        'code' => 'string',
+        'name' => 'string',
+        'reporting_code' => 'string',
+        'total' => 'double'
     ];
 
     /**
@@ -67,7 +72,12 @@ class PnlAccount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_id' => 'uuid''account_type' => null'code' => null'name' => null'reporting_code' => null'total' => 'double'
+        'account_id' => 'uuid',
+        'account_type' => null,
+        'code' => null,
+        'name' => null,
+        'reporting_code' => null,
+        'total' => 'double'
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_id' => 'accountID''account_type' => 'accountType''code' => 'code''name' => 'name''reporting_code' => 'reportingCode''total' => 'total'
+        'account_id' => 'accountID',
+        'account_type' => 'accountType',
+        'code' => 'code',
+        'name' => 'name',
+        'reporting_code' => 'reportingCode',
+        'total' => 'total'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_id' => 'setAccountId''account_type' => 'setAccountType''code' => 'setCode''name' => 'setName''reporting_code' => 'setReportingCode''total' => 'setTotal'
+        'account_id' => 'setAccountId',
+        'account_type' => 'setAccountType',
+        'code' => 'setCode',
+        'name' => 'setName',
+        'reporting_code' => 'setReportingCode',
+        'total' => 'setTotal'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_id' => 'getAccountId''account_type' => 'getAccountType''code' => 'getCode''name' => 'getName''reporting_code' => 'getReportingCode''total' => 'getTotal'
+        'account_id' => 'getAccountId',
+        'account_type' => 'getAccountType',
+        'code' => 'getCode',
+        'name' => 'getName',
+        'reporting_code' => 'getReportingCode',
+        'total' => 'getTotal'
     ];
 
     /**
diff --git a/lib/Models/Finance/PnlAccountClass.php b/lib/Models/Finance/PnlAccountClass.php
index 7898603e..17cacb98 100644
--- a/lib/Models/Finance/PnlAccountClass.php
+++ b/lib/Models/Finance/PnlAccountClass.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class PnlAccountClass implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'total' => 'double''account_types' => '\XeroAPI\XeroPHP\Models\Finance\PnlAccountType[]'
+        'total' => 'double',
+        'account_types' => '\XeroAPI\XeroPHP\Models\Finance\PnlAccountType[]'
     ];
 
     /**
@@ -67,7 +68,8 @@ class PnlAccountClass implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'total' => 'double''account_types' => null
+        'total' => 'double',
+        'account_types' => null
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'total' => 'total''account_types' => 'accountTypes'
+        'total' => 'total',
+        'account_types' => 'accountTypes'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'total' => 'setTotal''account_types' => 'setAccountTypes'
+        'total' => 'setTotal',
+        'account_types' => 'setAccountTypes'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'total' => 'getTotal''account_types' => 'getAccountTypes'
+        'total' => 'getTotal',
+        'account_types' => 'getAccountTypes'
     ];
 
     /**
diff --git a/lib/Models/Finance/PnlAccountType.php b/lib/Models/Finance/PnlAccountType.php
index c99b2951..a1fa5f06 100644
--- a/lib/Models/Finance/PnlAccountType.php
+++ b/lib/Models/Finance/PnlAccountType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class PnlAccountType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'total' => 'double''title' => 'string''accounts' => '\XeroAPI\XeroPHP\Models\Finance\PnlAccount[]'
+        'total' => 'double',
+        'title' => 'string',
+        'accounts' => '\XeroAPI\XeroPHP\Models\Finance\PnlAccount[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class PnlAccountType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'total' => 'double''title' => null'accounts' => null
+        'total' => 'double',
+        'title' => null,
+        'accounts' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'total' => 'total''title' => 'title''accounts' => 'accounts'
+        'total' => 'total',
+        'title' => 'title',
+        'accounts' => 'accounts'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'total' => 'setTotal''title' => 'setTitle''accounts' => 'setAccounts'
+        'total' => 'setTotal',
+        'title' => 'setTitle',
+        'accounts' => 'setAccounts'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'total' => 'getTotal''title' => 'getTitle''accounts' => 'getAccounts'
+        'total' => 'getTotal',
+        'title' => 'getTitle',
+        'accounts' => 'getAccounts'
     ];
 
     /**
diff --git a/lib/Models/Finance/PracticeResponse.php b/lib/Models/Finance/PracticeResponse.php
index 00a09702..ac9a045d 100644
--- a/lib/Models/Finance/PracticeResponse.php
+++ b/lib/Models/Finance/PracticeResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class PracticeResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'xero_partner_since' => 'int''tier' => 'string''location' => 'string''organisation_count' => 'int''staff_certified' => 'bool'
+        'xero_partner_since' => 'int',
+        'tier' => 'string',
+        'location' => 'string',
+        'organisation_count' => 'int',
+        'staff_certified' => 'bool'
     ];
 
     /**
@@ -67,7 +71,11 @@ class PracticeResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'xero_partner_since' => 'int32''tier' => null'location' => null'organisation_count' => 'int32''staff_certified' => null
+        'xero_partner_since' => 'int32',
+        'tier' => null,
+        'location' => null,
+        'organisation_count' => 'int32',
+        'staff_certified' => null
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'xero_partner_since' => 'xeroPartnerSince''tier' => 'tier''location' => 'location''organisation_count' => 'organisationCount''staff_certified' => 'staffCertified'
+        'xero_partner_since' => 'xeroPartnerSince',
+        'tier' => 'tier',
+        'location' => 'location',
+        'organisation_count' => 'organisationCount',
+        'staff_certified' => 'staffCertified'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'xero_partner_since' => 'setXeroPartnerSince''tier' => 'setTier''location' => 'setLocation''organisation_count' => 'setOrganisationCount''staff_certified' => 'setStaffCertified'
+        'xero_partner_since' => 'setXeroPartnerSince',
+        'tier' => 'setTier',
+        'location' => 'setLocation',
+        'organisation_count' => 'setOrganisationCount',
+        'staff_certified' => 'setStaffCertified'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'xero_partner_since' => 'getXeroPartnerSince''tier' => 'getTier''location' => 'getLocation''organisation_count' => 'getOrganisationCount''staff_certified' => 'getStaffCertified'
+        'xero_partner_since' => 'getXeroPartnerSince',
+        'tier' => 'getTier',
+        'location' => 'getLocation',
+        'organisation_count' => 'getOrganisationCount',
+        'staff_certified' => 'getStaffCertified'
     ];
 
     /**
diff --git a/lib/Models/Finance/PrepaymentResponse.php b/lib/Models/Finance/PrepaymentResponse.php
index 1264d36f..fd50e1c4 100644
--- a/lib/Models/Finance/PrepaymentResponse.php
+++ b/lib/Models/Finance/PrepaymentResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class PrepaymentResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'prepayment_id' => 'string''contact' => '\XeroAPI\XeroPHP\Models\Finance\ContactResponse''total' => 'double''line_items' => '\XeroAPI\XeroPHP\Models\Finance\LineItemResponse[]'
+        'prepayment_id' => 'string',
+        'contact' => '\XeroAPI\XeroPHP\Models\Finance\ContactResponse',
+        'total' => 'double',
+        'line_items' => '\XeroAPI\XeroPHP\Models\Finance\LineItemResponse[]'
     ];
 
     /**
@@ -67,7 +70,10 @@ class PrepaymentResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'prepayment_id' => 'uuid''contact' => null'total' => 'double''line_items' => null
+        'prepayment_id' => 'uuid',
+        'contact' => null,
+        'total' => 'double',
+        'line_items' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'prepayment_id' => 'prepaymentId''contact' => 'contact''total' => 'total''line_items' => 'lineItems'
+        'prepayment_id' => 'prepaymentId',
+        'contact' => 'contact',
+        'total' => 'total',
+        'line_items' => 'lineItems'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'prepayment_id' => 'setPrepaymentId''contact' => 'setContact''total' => 'setTotal''line_items' => 'setLineItems'
+        'prepayment_id' => 'setPrepaymentId',
+        'contact' => 'setContact',
+        'total' => 'setTotal',
+        'line_items' => 'setLineItems'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'prepayment_id' => 'getPrepaymentId''contact' => 'getContact''total' => 'getTotal''line_items' => 'getLineItems'
+        'prepayment_id' => 'getPrepaymentId',
+        'contact' => 'getContact',
+        'total' => 'getTotal',
+        'line_items' => 'getLineItems'
     ];
 
     /**
diff --git a/lib/Models/Finance/Problem.php b/lib/Models/Finance/Problem.php
index e8d6737d..e1e8dcfe 100644
--- a/lib/Models/Finance/Problem.php
+++ b/lib/Models/Finance/Problem.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class Problem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'type' => '\XeroAPI\XeroPHP\Models\Finance\ProblemType''title' => 'string''status' => 'int''detail' => 'string'
+        'type' => '\XeroAPI\XeroPHP\Models\Finance\ProblemType',
+        'title' => 'string',
+        'status' => 'int',
+        'detail' => 'string'
     ];
 
     /**
@@ -67,7 +70,10 @@ class Problem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'type' => null'title' => null'status' => 'int32''detail' => null
+        'type' => null,
+        'title' => null,
+        'status' => 'int32',
+        'detail' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'type' => 'type''title' => 'title''status' => 'status''detail' => 'detail'
+        'type' => 'type',
+        'title' => 'title',
+        'status' => 'status',
+        'detail' => 'detail'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'type' => 'setType''title' => 'setTitle''status' => 'setStatus''detail' => 'setDetail'
+        'type' => 'setType',
+        'title' => 'setTitle',
+        'status' => 'setStatus',
+        'detail' => 'setDetail'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'type' => 'getType''title' => 'getTitle''status' => 'getStatus''detail' => 'getDetail'
+        'type' => 'getType',
+        'title' => 'getTitle',
+        'status' => 'getStatus',
+        'detail' => 'getDetail'
     ];
 
     /**
diff --git a/lib/Models/Finance/ProblemType.php b/lib/Models/Finance/ProblemType.php
index 24ae1098..93a335bc 100644
--- a/lib/Models/Finance/ProblemType.php
+++ b/lib/Models/Finance/ProblemType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Finance/ProfitAndLossResponse.php b/lib/Models/Finance/ProfitAndLossResponse.php
index daa81f1e..699511f4 100644
--- a/lib/Models/Finance/ProfitAndLossResponse.php
+++ b/lib/Models/Finance/ProfitAndLossResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class ProfitAndLossResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'start_date' => '\DateTime''end_date' => '\DateTime''net_profit_loss' => 'double''revenue' => '\XeroAPI\XeroPHP\Models\Finance\PnlAccountClass''expense' => '\XeroAPI\XeroPHP\Models\Finance\PnlAccountClass'
+        'start_date' => '\DateTime',
+        'end_date' => '\DateTime',
+        'net_profit_loss' => 'double',
+        'revenue' => '\XeroAPI\XeroPHP\Models\Finance\PnlAccountClass',
+        'expense' => '\XeroAPI\XeroPHP\Models\Finance\PnlAccountClass'
     ];
 
     /**
@@ -67,7 +71,11 @@ class ProfitAndLossResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'start_date' => 'date''end_date' => 'date''net_profit_loss' => 'double''revenue' => null'expense' => null
+        'start_date' => 'date',
+        'end_date' => 'date',
+        'net_profit_loss' => 'double',
+        'revenue' => null,
+        'expense' => null
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'start_date' => 'startDate''end_date' => 'endDate''net_profit_loss' => 'netProfitLoss''revenue' => 'revenue''expense' => 'expense'
+        'start_date' => 'startDate',
+        'end_date' => 'endDate',
+        'net_profit_loss' => 'netProfitLoss',
+        'revenue' => 'revenue',
+        'expense' => 'expense'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'start_date' => 'setStartDate''end_date' => 'setEndDate''net_profit_loss' => 'setNetProfitLoss''revenue' => 'setRevenue''expense' => 'setExpense'
+        'start_date' => 'setStartDate',
+        'end_date' => 'setEndDate',
+        'net_profit_loss' => 'setNetProfitLoss',
+        'revenue' => 'setRevenue',
+        'expense' => 'setExpense'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'start_date' => 'getStartDate''end_date' => 'getEndDate''net_profit_loss' => 'getNetProfitLoss''revenue' => 'getRevenue''expense' => 'getExpense'
+        'start_date' => 'getStartDate',
+        'end_date' => 'getEndDate',
+        'net_profit_loss' => 'getNetProfitLoss',
+        'revenue' => 'getRevenue',
+        'expense' => 'getExpense'
     ];
 
     /**
diff --git a/lib/Models/Finance/ReportHistoryModel.php b/lib/Models/Finance/ReportHistoryModel.php
index 7a9e9479..0421e385 100644
--- a/lib/Models/Finance/ReportHistoryModel.php
+++ b/lib/Models/Finance/ReportHistoryModel.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class ReportHistoryModel implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'report_name' => 'string''report_date_text' => 'string''published_date_utc' => '\DateTime'
+        'report_name' => 'string',
+        'report_date_text' => 'string',
+        'published_date_utc' => '\DateTime'
     ];
 
     /**
@@ -67,7 +69,9 @@ class ReportHistoryModel implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'report_name' => null'report_date_text' => null'published_date_utc' => 'date-time'
+        'report_name' => null,
+        'report_date_text' => null,
+        'published_date_utc' => 'date-time'
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'report_name' => 'reportName''report_date_text' => 'reportDateText''published_date_utc' => 'publishedDateUtc'
+        'report_name' => 'reportName',
+        'report_date_text' => 'reportDateText',
+        'published_date_utc' => 'publishedDateUtc'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'report_name' => 'setReportName''report_date_text' => 'setReportDateText''published_date_utc' => 'setPublishedDateUtc'
+        'report_name' => 'setReportName',
+        'report_date_text' => 'setReportDateText',
+        'published_date_utc' => 'setPublishedDateUtc'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'report_name' => 'getReportName''report_date_text' => 'getReportDateText''published_date_utc' => 'getPublishedDateUtc'
+        'report_name' => 'getReportName',
+        'report_date_text' => 'getReportDateText',
+        'published_date_utc' => 'getPublishedDateUtc'
     ];
 
     /**
diff --git a/lib/Models/Finance/ReportHistoryResponse.php b/lib/Models/Finance/ReportHistoryResponse.php
index b99d7e2d..0c36b1fa 100644
--- a/lib/Models/Finance/ReportHistoryResponse.php
+++ b/lib/Models/Finance/ReportHistoryResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class ReportHistoryResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'organisation_id' => 'string''end_date' => '\DateTime''reports' => '\XeroAPI\XeroPHP\Models\Finance\ReportHistoryModel[]'
+        'organisation_id' => 'string',
+        'end_date' => '\DateTime',
+        'reports' => '\XeroAPI\XeroPHP\Models\Finance\ReportHistoryModel[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class ReportHistoryResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'organisation_id' => 'uuid''end_date' => 'date''reports' => null
+        'organisation_id' => 'uuid',
+        'end_date' => 'date',
+        'reports' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'organisation_id' => 'organisationId''end_date' => 'endDate''reports' => 'reports'
+        'organisation_id' => 'organisationId',
+        'end_date' => 'endDate',
+        'reports' => 'reports'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'organisation_id' => 'setOrganisationId''end_date' => 'setEndDate''reports' => 'setReports'
+        'organisation_id' => 'setOrganisationId',
+        'end_date' => 'setEndDate',
+        'reports' => 'setReports'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'organisation_id' => 'getOrganisationId''end_date' => 'getEndDate''reports' => 'getReports'
+        'organisation_id' => 'getOrganisationId',
+        'end_date' => 'getEndDate',
+        'reports' => 'getReports'
     ];
 
     /**
diff --git a/lib/Models/Finance/StatementBalanceResponse.php b/lib/Models/Finance/StatementBalanceResponse.php
index 77aff57c..e89ef712 100644
--- a/lib/Models/Finance/StatementBalanceResponse.php
+++ b/lib/Models/Finance/StatementBalanceResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class StatementBalanceResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'value' => 'double''type' => 'string'
+        'value' => 'double',
+        'type' => 'string'
     ];
 
     /**
@@ -67,7 +68,8 @@ class StatementBalanceResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'value' => 'double''type' => null
+        'value' => 'double',
+        'type' => null
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'value' => 'value''type' => 'type'
+        'value' => 'value',
+        'type' => 'type'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'value' => 'setValue''type' => 'setType'
+        'value' => 'setValue',
+        'type' => 'setType'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'value' => 'getValue''type' => 'getType'
+        'value' => 'getValue',
+        'type' => 'getType'
     ];
 
     /**
diff --git a/lib/Models/Finance/StatementLineResponse.php b/lib/Models/Finance/StatementLineResponse.php
index d16b6521..2bb40537 100644
--- a/lib/Models/Finance/StatementLineResponse.php
+++ b/lib/Models/Finance/StatementLineResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,19 @@ class StatementLineResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'statement_line_id' => 'string''posted_date' => '\DateTime''reference' => 'string''notes' => 'string''cheque_no' => 'string''amount' => 'double''transaction_date' => '\DateTime''type' => 'string''is_reconciled' => 'bool''is_duplicate' => 'bool''is_deleted' => 'bool''payments' => '\XeroAPI\XeroPHP\Models\Finance\PaymentResponse[]''bank_transactions' => '\XeroAPI\XeroPHP\Models\Finance\BankTransactionResponse[]'
+        'statement_line_id' => 'string',
+        'posted_date' => '\DateTime',
+        'reference' => 'string',
+        'notes' => 'string',
+        'cheque_no' => 'string',
+        'amount' => 'double',
+        'transaction_date' => '\DateTime',
+        'type' => 'string',
+        'is_reconciled' => 'bool',
+        'is_duplicate' => 'bool',
+        'is_deleted' => 'bool',
+        'payments' => '\XeroAPI\XeroPHP\Models\Finance\PaymentResponse[]',
+        'bank_transactions' => '\XeroAPI\XeroPHP\Models\Finance\BankTransactionResponse[]'
     ];
 
     /**
@@ -67,7 +79,19 @@ class StatementLineResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'statement_line_id' => 'uuid''posted_date' => 'date''reference' => null'notes' => null'cheque_no' => null'amount' => 'double''transaction_date' => 'date''type' => null'is_reconciled' => null'is_duplicate' => null'is_deleted' => null'payments' => null'bank_transactions' => null
+        'statement_line_id' => 'uuid',
+        'posted_date' => 'date',
+        'reference' => null,
+        'notes' => null,
+        'cheque_no' => null,
+        'amount' => 'double',
+        'transaction_date' => 'date',
+        'type' => null,
+        'is_reconciled' => null,
+        'is_duplicate' => null,
+        'is_deleted' => null,
+        'payments' => null,
+        'bank_transactions' => null
     ];
 
     /**
@@ -97,7 +121,19 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'statement_line_id' => 'statementLineId''posted_date' => 'postedDate''reference' => 'reference''notes' => 'notes''cheque_no' => 'chequeNo''amount' => 'amount''transaction_date' => 'transactionDate''type' => 'type''is_reconciled' => 'isReconciled''is_duplicate' => 'isDuplicate''is_deleted' => 'isDeleted''payments' => 'payments''bank_transactions' => 'bankTransactions'
+        'statement_line_id' => 'statementLineId',
+        'posted_date' => 'postedDate',
+        'reference' => 'reference',
+        'notes' => 'notes',
+        'cheque_no' => 'chequeNo',
+        'amount' => 'amount',
+        'transaction_date' => 'transactionDate',
+        'type' => 'type',
+        'is_reconciled' => 'isReconciled',
+        'is_duplicate' => 'isDuplicate',
+        'is_deleted' => 'isDeleted',
+        'payments' => 'payments',
+        'bank_transactions' => 'bankTransactions'
     ];
 
     /**
@@ -106,7 +142,19 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'statement_line_id' => 'setStatementLineId''posted_date' => 'setPostedDate''reference' => 'setReference''notes' => 'setNotes''cheque_no' => 'setChequeNo''amount' => 'setAmount''transaction_date' => 'setTransactionDate''type' => 'setType''is_reconciled' => 'setIsReconciled''is_duplicate' => 'setIsDuplicate''is_deleted' => 'setIsDeleted''payments' => 'setPayments''bank_transactions' => 'setBankTransactions'
+        'statement_line_id' => 'setStatementLineId',
+        'posted_date' => 'setPostedDate',
+        'reference' => 'setReference',
+        'notes' => 'setNotes',
+        'cheque_no' => 'setChequeNo',
+        'amount' => 'setAmount',
+        'transaction_date' => 'setTransactionDate',
+        'type' => 'setType',
+        'is_reconciled' => 'setIsReconciled',
+        'is_duplicate' => 'setIsDuplicate',
+        'is_deleted' => 'setIsDeleted',
+        'payments' => 'setPayments',
+        'bank_transactions' => 'setBankTransactions'
     ];
 
     /**
@@ -115,7 +163,19 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'statement_line_id' => 'getStatementLineId''posted_date' => 'getPostedDate''reference' => 'getReference''notes' => 'getNotes''cheque_no' => 'getChequeNo''amount' => 'getAmount''transaction_date' => 'getTransactionDate''type' => 'getType''is_reconciled' => 'getIsReconciled''is_duplicate' => 'getIsDuplicate''is_deleted' => 'getIsDeleted''payments' => 'getPayments''bank_transactions' => 'getBankTransactions'
+        'statement_line_id' => 'getStatementLineId',
+        'posted_date' => 'getPostedDate',
+        'reference' => 'getReference',
+        'notes' => 'getNotes',
+        'cheque_no' => 'getChequeNo',
+        'amount' => 'getAmount',
+        'transaction_date' => 'getTransactionDate',
+        'type' => 'getType',
+        'is_reconciled' => 'getIsReconciled',
+        'is_duplicate' => 'getIsDuplicate',
+        'is_deleted' => 'getIsDeleted',
+        'payments' => 'getPayments',
+        'bank_transactions' => 'getBankTransactions'
     ];
 
     /**
diff --git a/lib/Models/Finance/StatementLinesResponse.php b/lib/Models/Finance/StatementLinesResponse.php
index fa4c7c4f..512e1cd0 100644
--- a/lib/Models/Finance/StatementLinesResponse.php
+++ b/lib/Models/Finance/StatementLinesResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,23 @@ class StatementLinesResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'unreconciled_amount_pos' => 'double''unreconciled_amount_neg' => 'double''unreconciled_lines' => 'int''avg_days_unreconciled_pos' => 'double''avg_days_unreconciled_neg' => 'double''earliest_unreconciled_transaction' => '\DateTime''latest_unreconciled_transaction' => '\DateTime''deleted_amount' => 'double''total_amount' => 'double''data_source' => '\XeroAPI\XeroPHP\Models\Finance\DataSourceResponse''earliest_reconciled_transaction' => '\DateTime''latest_reconciled_transaction' => '\DateTime''reconciled_amount_pos' => 'double''reconciled_amount_neg' => 'double''reconciled_lines' => 'int''total_amount_pos' => 'double''total_amount_neg' => 'double'
+        'unreconciled_amount_pos' => 'double',
+        'unreconciled_amount_neg' => 'double',
+        'unreconciled_lines' => 'int',
+        'avg_days_unreconciled_pos' => 'double',
+        'avg_days_unreconciled_neg' => 'double',
+        'earliest_unreconciled_transaction' => '\DateTime',
+        'latest_unreconciled_transaction' => '\DateTime',
+        'deleted_amount' => 'double',
+        'total_amount' => 'double',
+        'data_source' => '\XeroAPI\XeroPHP\Models\Finance\DataSourceResponse',
+        'earliest_reconciled_transaction' => '\DateTime',
+        'latest_reconciled_transaction' => '\DateTime',
+        'reconciled_amount_pos' => 'double',
+        'reconciled_amount_neg' => 'double',
+        'reconciled_lines' => 'int',
+        'total_amount_pos' => 'double',
+        'total_amount_neg' => 'double'
     ];
 
     /**
@@ -67,7 +83,23 @@ class StatementLinesResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'unreconciled_amount_pos' => 'double''unreconciled_amount_neg' => 'double''unreconciled_lines' => 'int32''avg_days_unreconciled_pos' => 'double''avg_days_unreconciled_neg' => 'double''earliest_unreconciled_transaction' => 'date''latest_unreconciled_transaction' => 'date''deleted_amount' => 'double''total_amount' => 'double''data_source' => null'earliest_reconciled_transaction' => 'date''latest_reconciled_transaction' => 'date''reconciled_amount_pos' => 'double''reconciled_amount_neg' => 'double''reconciled_lines' => 'int32''total_amount_pos' => 'double''total_amount_neg' => 'double'
+        'unreconciled_amount_pos' => 'double',
+        'unreconciled_amount_neg' => 'double',
+        'unreconciled_lines' => 'int32',
+        'avg_days_unreconciled_pos' => 'double',
+        'avg_days_unreconciled_neg' => 'double',
+        'earliest_unreconciled_transaction' => 'date',
+        'latest_unreconciled_transaction' => 'date',
+        'deleted_amount' => 'double',
+        'total_amount' => 'double',
+        'data_source' => null,
+        'earliest_reconciled_transaction' => 'date',
+        'latest_reconciled_transaction' => 'date',
+        'reconciled_amount_pos' => 'double',
+        'reconciled_amount_neg' => 'double',
+        'reconciled_lines' => 'int32',
+        'total_amount_pos' => 'double',
+        'total_amount_neg' => 'double'
     ];
 
     /**
@@ -97,7 +129,23 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'unreconciled_amount_pos' => 'unreconciledAmountPos''unreconciled_amount_neg' => 'unreconciledAmountNeg''unreconciled_lines' => 'unreconciledLines''avg_days_unreconciled_pos' => 'avgDaysUnreconciledPos''avg_days_unreconciled_neg' => 'avgDaysUnreconciledNeg''earliest_unreconciled_transaction' => 'earliestUnreconciledTransaction''latest_unreconciled_transaction' => 'latestUnreconciledTransaction''deleted_amount' => 'deletedAmount''total_amount' => 'totalAmount''data_source' => 'dataSource''earliest_reconciled_transaction' => 'earliestReconciledTransaction''latest_reconciled_transaction' => 'latestReconciledTransaction''reconciled_amount_pos' => 'reconciledAmountPos''reconciled_amount_neg' => 'reconciledAmountNeg''reconciled_lines' => 'reconciledLines''total_amount_pos' => 'totalAmountPos''total_amount_neg' => 'totalAmountNeg'
+        'unreconciled_amount_pos' => 'unreconciledAmountPos',
+        'unreconciled_amount_neg' => 'unreconciledAmountNeg',
+        'unreconciled_lines' => 'unreconciledLines',
+        'avg_days_unreconciled_pos' => 'avgDaysUnreconciledPos',
+        'avg_days_unreconciled_neg' => 'avgDaysUnreconciledNeg',
+        'earliest_unreconciled_transaction' => 'earliestUnreconciledTransaction',
+        'latest_unreconciled_transaction' => 'latestUnreconciledTransaction',
+        'deleted_amount' => 'deletedAmount',
+        'total_amount' => 'totalAmount',
+        'data_source' => 'dataSource',
+        'earliest_reconciled_transaction' => 'earliestReconciledTransaction',
+        'latest_reconciled_transaction' => 'latestReconciledTransaction',
+        'reconciled_amount_pos' => 'reconciledAmountPos',
+        'reconciled_amount_neg' => 'reconciledAmountNeg',
+        'reconciled_lines' => 'reconciledLines',
+        'total_amount_pos' => 'totalAmountPos',
+        'total_amount_neg' => 'totalAmountNeg'
     ];
 
     /**
@@ -106,7 +154,23 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'unreconciled_amount_pos' => 'setUnreconciledAmountPos''unreconciled_amount_neg' => 'setUnreconciledAmountNeg''unreconciled_lines' => 'setUnreconciledLines''avg_days_unreconciled_pos' => 'setAvgDaysUnreconciledPos''avg_days_unreconciled_neg' => 'setAvgDaysUnreconciledNeg''earliest_unreconciled_transaction' => 'setEarliestUnreconciledTransaction''latest_unreconciled_transaction' => 'setLatestUnreconciledTransaction''deleted_amount' => 'setDeletedAmount''total_amount' => 'setTotalAmount''data_source' => 'setDataSource''earliest_reconciled_transaction' => 'setEarliestReconciledTransaction''latest_reconciled_transaction' => 'setLatestReconciledTransaction''reconciled_amount_pos' => 'setReconciledAmountPos''reconciled_amount_neg' => 'setReconciledAmountNeg''reconciled_lines' => 'setReconciledLines''total_amount_pos' => 'setTotalAmountPos''total_amount_neg' => 'setTotalAmountNeg'
+        'unreconciled_amount_pos' => 'setUnreconciledAmountPos',
+        'unreconciled_amount_neg' => 'setUnreconciledAmountNeg',
+        'unreconciled_lines' => 'setUnreconciledLines',
+        'avg_days_unreconciled_pos' => 'setAvgDaysUnreconciledPos',
+        'avg_days_unreconciled_neg' => 'setAvgDaysUnreconciledNeg',
+        'earliest_unreconciled_transaction' => 'setEarliestUnreconciledTransaction',
+        'latest_unreconciled_transaction' => 'setLatestUnreconciledTransaction',
+        'deleted_amount' => 'setDeletedAmount',
+        'total_amount' => 'setTotalAmount',
+        'data_source' => 'setDataSource',
+        'earliest_reconciled_transaction' => 'setEarliestReconciledTransaction',
+        'latest_reconciled_transaction' => 'setLatestReconciledTransaction',
+        'reconciled_amount_pos' => 'setReconciledAmountPos',
+        'reconciled_amount_neg' => 'setReconciledAmountNeg',
+        'reconciled_lines' => 'setReconciledLines',
+        'total_amount_pos' => 'setTotalAmountPos',
+        'total_amount_neg' => 'setTotalAmountNeg'
     ];
 
     /**
@@ -115,7 +179,23 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'unreconciled_amount_pos' => 'getUnreconciledAmountPos''unreconciled_amount_neg' => 'getUnreconciledAmountNeg''unreconciled_lines' => 'getUnreconciledLines''avg_days_unreconciled_pos' => 'getAvgDaysUnreconciledPos''avg_days_unreconciled_neg' => 'getAvgDaysUnreconciledNeg''earliest_unreconciled_transaction' => 'getEarliestUnreconciledTransaction''latest_unreconciled_transaction' => 'getLatestUnreconciledTransaction''deleted_amount' => 'getDeletedAmount''total_amount' => 'getTotalAmount''data_source' => 'getDataSource''earliest_reconciled_transaction' => 'getEarliestReconciledTransaction''latest_reconciled_transaction' => 'getLatestReconciledTransaction''reconciled_amount_pos' => 'getReconciledAmountPos''reconciled_amount_neg' => 'getReconciledAmountNeg''reconciled_lines' => 'getReconciledLines''total_amount_pos' => 'getTotalAmountPos''total_amount_neg' => 'getTotalAmountNeg'
+        'unreconciled_amount_pos' => 'getUnreconciledAmountPos',
+        'unreconciled_amount_neg' => 'getUnreconciledAmountNeg',
+        'unreconciled_lines' => 'getUnreconciledLines',
+        'avg_days_unreconciled_pos' => 'getAvgDaysUnreconciledPos',
+        'avg_days_unreconciled_neg' => 'getAvgDaysUnreconciledNeg',
+        'earliest_unreconciled_transaction' => 'getEarliestUnreconciledTransaction',
+        'latest_unreconciled_transaction' => 'getLatestUnreconciledTransaction',
+        'deleted_amount' => 'getDeletedAmount',
+        'total_amount' => 'getTotalAmount',
+        'data_source' => 'getDataSource',
+        'earliest_reconciled_transaction' => 'getEarliestReconciledTransaction',
+        'latest_reconciled_transaction' => 'getLatestReconciledTransaction',
+        'reconciled_amount_pos' => 'getReconciledAmountPos',
+        'reconciled_amount_neg' => 'getReconciledAmountNeg',
+        'reconciled_lines' => 'getReconciledLines',
+        'total_amount_pos' => 'getTotalAmountPos',
+        'total_amount_neg' => 'getTotalAmountNeg'
     ];
 
     /**
diff --git a/lib/Models/Finance/StatementResponse.php b/lib/Models/Finance/StatementResponse.php
index 628ec403..14c17d03 100644
--- a/lib/Models/Finance/StatementResponse.php
+++ b/lib/Models/Finance/StatementResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class StatementResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'statement_id' => 'string''start_date' => '\DateTime''end_date' => '\DateTime''imported_date_time_utc' => '\DateTime''import_source' => 'string''statement_lines' => '\XeroAPI\XeroPHP\Models\Finance\StatementLineResponse[]'
+        'statement_id' => 'string',
+        'start_date' => '\DateTime',
+        'end_date' => '\DateTime',
+        'imported_date_time_utc' => '\DateTime',
+        'import_source' => 'string',
+        'statement_lines' => '\XeroAPI\XeroPHP\Models\Finance\StatementLineResponse[]'
     ];
 
     /**
@@ -67,7 +72,12 @@ class StatementResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'statement_id' => 'uuid''start_date' => 'date''end_date' => 'date''imported_date_time_utc' => 'date-time''import_source' => null'statement_lines' => null
+        'statement_id' => 'uuid',
+        'start_date' => 'date',
+        'end_date' => 'date',
+        'imported_date_time_utc' => 'date-time',
+        'import_source' => null,
+        'statement_lines' => null
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'statement_id' => 'statementId''start_date' => 'startDate''end_date' => 'endDate''imported_date_time_utc' => 'importedDateTimeUtc''import_source' => 'importSource''statement_lines' => 'statementLines'
+        'statement_id' => 'statementId',
+        'start_date' => 'startDate',
+        'end_date' => 'endDate',
+        'imported_date_time_utc' => 'importedDateTimeUtc',
+        'import_source' => 'importSource',
+        'statement_lines' => 'statementLines'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'statement_id' => 'setStatementId''start_date' => 'setStartDate''end_date' => 'setEndDate''imported_date_time_utc' => 'setImportedDateTimeUtc''import_source' => 'setImportSource''statement_lines' => 'setStatementLines'
+        'statement_id' => 'setStatementId',
+        'start_date' => 'setStartDate',
+        'end_date' => 'setEndDate',
+        'imported_date_time_utc' => 'setImportedDateTimeUtc',
+        'import_source' => 'setImportSource',
+        'statement_lines' => 'setStatementLines'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'statement_id' => 'getStatementId''start_date' => 'getStartDate''end_date' => 'getEndDate''imported_date_time_utc' => 'getImportedDateTimeUtc''import_source' => 'getImportSource''statement_lines' => 'getStatementLines'
+        'statement_id' => 'getStatementId',
+        'start_date' => 'getStartDate',
+        'end_date' => 'getEndDate',
+        'imported_date_time_utc' => 'getImportedDateTimeUtc',
+        'import_source' => 'getImportSource',
+        'statement_lines' => 'getStatementLines'
     ];
 
     /**
diff --git a/lib/Models/Finance/TotalDetail.php b/lib/Models/Finance/TotalDetail.php
index 3dfd70a8..a8b183d4 100644
--- a/lib/Models/Finance/TotalDetail.php
+++ b/lib/Models/Finance/TotalDetail.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class TotalDetail implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'total_paid' => 'double''total_outstanding' => 'double''total_credited_un_applied' => 'double'
+        'total_paid' => 'double',
+        'total_outstanding' => 'double',
+        'total_credited_un_applied' => 'double'
     ];
 
     /**
@@ -67,7 +69,9 @@ class TotalDetail implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'total_paid' => 'double''total_outstanding' => 'double''total_credited_un_applied' => 'double'
+        'total_paid' => 'double',
+        'total_outstanding' => 'double',
+        'total_credited_un_applied' => 'double'
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'total_paid' => 'totalPaid''total_outstanding' => 'totalOutstanding''total_credited_un_applied' => 'totalCreditedUnApplied'
+        'total_paid' => 'totalPaid',
+        'total_outstanding' => 'totalOutstanding',
+        'total_credited_un_applied' => 'totalCreditedUnApplied'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'total_paid' => 'setTotalPaid''total_outstanding' => 'setTotalOutstanding''total_credited_un_applied' => 'setTotalCreditedUnApplied'
+        'total_paid' => 'setTotalPaid',
+        'total_outstanding' => 'setTotalOutstanding',
+        'total_credited_un_applied' => 'setTotalCreditedUnApplied'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'total_paid' => 'getTotalPaid''total_outstanding' => 'getTotalOutstanding''total_credited_un_applied' => 'getTotalCreditedUnApplied'
+        'total_paid' => 'getTotalPaid',
+        'total_outstanding' => 'getTotalOutstanding',
+        'total_credited_un_applied' => 'getTotalCreditedUnApplied'
     ];
 
     /**
diff --git a/lib/Models/Finance/TotalOther.php b/lib/Models/Finance/TotalOther.php
index 8f84f180..5034b6d4 100644
--- a/lib/Models/Finance/TotalOther.php
+++ b/lib/Models/Finance/TotalOther.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class TotalOther implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'total_outstanding_aged' => 'double''total_voided' => 'double''total_credited' => 'double'
+        'total_outstanding_aged' => 'double',
+        'total_voided' => 'double',
+        'total_credited' => 'double'
     ];
 
     /**
@@ -67,7 +69,9 @@ class TotalOther implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'total_outstanding_aged' => 'double''total_voided' => 'double''total_credited' => 'double'
+        'total_outstanding_aged' => 'double',
+        'total_voided' => 'double',
+        'total_credited' => 'double'
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'total_outstanding_aged' => 'totalOutstandingAged''total_voided' => 'totalVoided''total_credited' => 'totalCredited'
+        'total_outstanding_aged' => 'totalOutstandingAged',
+        'total_voided' => 'totalVoided',
+        'total_credited' => 'totalCredited'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'total_outstanding_aged' => 'setTotalOutstandingAged''total_voided' => 'setTotalVoided''total_credited' => 'setTotalCredited'
+        'total_outstanding_aged' => 'setTotalOutstandingAged',
+        'total_voided' => 'setTotalVoided',
+        'total_credited' => 'setTotalCredited'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'total_outstanding_aged' => 'getTotalOutstandingAged''total_voided' => 'getTotalVoided''total_credited' => 'getTotalCredited'
+        'total_outstanding_aged' => 'getTotalOutstandingAged',
+        'total_voided' => 'getTotalVoided',
+        'total_credited' => 'getTotalCredited'
     ];
 
     /**
diff --git a/lib/Models/Finance/TrialBalanceAccount.php b/lib/Models/Finance/TrialBalanceAccount.php
index b593c8ae..2bf9f349 100644
--- a/lib/Models/Finance/TrialBalanceAccount.php
+++ b/lib/Models/Finance/TrialBalanceAccount.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,16 @@ class TrialBalanceAccount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_id' => 'string''account_type' => 'string''account_code' => 'string''account_class' => 'string''status' => 'string''reporting_code' => 'string''account_name' => 'string''balance' => '\XeroAPI\XeroPHP\Models\Finance\TrialBalanceEntry''signed_balance' => 'double''account_movement' => '\XeroAPI\XeroPHP\Models\Finance\TrialBalanceMovement'
+        'account_id' => 'string',
+        'account_type' => 'string',
+        'account_code' => 'string',
+        'account_class' => 'string',
+        'status' => 'string',
+        'reporting_code' => 'string',
+        'account_name' => 'string',
+        'balance' => '\XeroAPI\XeroPHP\Models\Finance\TrialBalanceEntry',
+        'signed_balance' => 'double',
+        'account_movement' => '\XeroAPI\XeroPHP\Models\Finance\TrialBalanceMovement'
     ];
 
     /**
@@ -67,7 +76,16 @@ class TrialBalanceAccount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_id' => 'uuid''account_type' => null'account_code' => null'account_class' => null'status' => null'reporting_code' => null'account_name' => null'balance' => null'signed_balance' => 'double''account_movement' => null
+        'account_id' => 'uuid',
+        'account_type' => null,
+        'account_code' => null,
+        'account_class' => null,
+        'status' => null,
+        'reporting_code' => null,
+        'account_name' => null,
+        'balance' => null,
+        'signed_balance' => 'double',
+        'account_movement' => null
     ];
 
     /**
@@ -97,7 +115,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_id' => 'accountId''account_type' => 'accountType''account_code' => 'accountCode''account_class' => 'accountClass''status' => 'status''reporting_code' => 'reportingCode''account_name' => 'accountName''balance' => 'balance''signed_balance' => 'signedBalance''account_movement' => 'accountMovement'
+        'account_id' => 'accountId',
+        'account_type' => 'accountType',
+        'account_code' => 'accountCode',
+        'account_class' => 'accountClass',
+        'status' => 'status',
+        'reporting_code' => 'reportingCode',
+        'account_name' => 'accountName',
+        'balance' => 'balance',
+        'signed_balance' => 'signedBalance',
+        'account_movement' => 'accountMovement'
     ];
 
     /**
@@ -106,7 +133,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_id' => 'setAccountId''account_type' => 'setAccountType''account_code' => 'setAccountCode''account_class' => 'setAccountClass''status' => 'setStatus''reporting_code' => 'setReportingCode''account_name' => 'setAccountName''balance' => 'setBalance''signed_balance' => 'setSignedBalance''account_movement' => 'setAccountMovement'
+        'account_id' => 'setAccountId',
+        'account_type' => 'setAccountType',
+        'account_code' => 'setAccountCode',
+        'account_class' => 'setAccountClass',
+        'status' => 'setStatus',
+        'reporting_code' => 'setReportingCode',
+        'account_name' => 'setAccountName',
+        'balance' => 'setBalance',
+        'signed_balance' => 'setSignedBalance',
+        'account_movement' => 'setAccountMovement'
     ];
 
     /**
@@ -115,7 +151,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_id' => 'getAccountId''account_type' => 'getAccountType''account_code' => 'getAccountCode''account_class' => 'getAccountClass''status' => 'getStatus''reporting_code' => 'getReportingCode''account_name' => 'getAccountName''balance' => 'getBalance''signed_balance' => 'getSignedBalance''account_movement' => 'getAccountMovement'
+        'account_id' => 'getAccountId',
+        'account_type' => 'getAccountType',
+        'account_code' => 'getAccountCode',
+        'account_class' => 'getAccountClass',
+        'status' => 'getStatus',
+        'reporting_code' => 'getReportingCode',
+        'account_name' => 'getAccountName',
+        'balance' => 'getBalance',
+        'signed_balance' => 'getSignedBalance',
+        'account_movement' => 'getAccountMovement'
     ];
 
     /**
diff --git a/lib/Models/Finance/TrialBalanceEntry.php b/lib/Models/Finance/TrialBalanceEntry.php
index f206e23d..783110c8 100644
--- a/lib/Models/Finance/TrialBalanceEntry.php
+++ b/lib/Models/Finance/TrialBalanceEntry.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class TrialBalanceEntry implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'value' => 'double''entry_type' => 'string'
+        'value' => 'double',
+        'entry_type' => 'string'
     ];
 
     /**
@@ -67,7 +68,8 @@ class TrialBalanceEntry implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'value' => 'double''entry_type' => null
+        'value' => 'double',
+        'entry_type' => null
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'value' => 'value''entry_type' => 'entryType'
+        'value' => 'value',
+        'entry_type' => 'entryType'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'value' => 'setValue''entry_type' => 'setEntryType'
+        'value' => 'setValue',
+        'entry_type' => 'setEntryType'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'value' => 'getValue''entry_type' => 'getEntryType'
+        'value' => 'getValue',
+        'entry_type' => 'getEntryType'
     ];
 
     /**
diff --git a/lib/Models/Finance/TrialBalanceMovement.php b/lib/Models/Finance/TrialBalanceMovement.php
index ccf73916..057356a2 100644
--- a/lib/Models/Finance/TrialBalanceMovement.php
+++ b/lib/Models/Finance/TrialBalanceMovement.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class TrialBalanceMovement implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'debits' => 'double''credits' => 'double''movement' => '\XeroAPI\XeroPHP\Models\Finance\TrialBalanceEntry''signed_movement' => 'double'
+        'debits' => 'double',
+        'credits' => 'double',
+        'movement' => '\XeroAPI\XeroPHP\Models\Finance\TrialBalanceEntry',
+        'signed_movement' => 'double'
     ];
 
     /**
@@ -67,7 +70,10 @@ class TrialBalanceMovement implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'debits' => 'double''credits' => 'double''movement' => null'signed_movement' => 'double'
+        'debits' => 'double',
+        'credits' => 'double',
+        'movement' => null,
+        'signed_movement' => 'double'
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'debits' => 'debits''credits' => 'credits''movement' => 'movement''signed_movement' => 'signedMovement'
+        'debits' => 'debits',
+        'credits' => 'credits',
+        'movement' => 'movement',
+        'signed_movement' => 'signedMovement'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'debits' => 'setDebits''credits' => 'setCredits''movement' => 'setMovement''signed_movement' => 'setSignedMovement'
+        'debits' => 'setDebits',
+        'credits' => 'setCredits',
+        'movement' => 'setMovement',
+        'signed_movement' => 'setSignedMovement'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'debits' => 'getDebits''credits' => 'getCredits''movement' => 'getMovement''signed_movement' => 'getSignedMovement'
+        'debits' => 'getDebits',
+        'credits' => 'getCredits',
+        'movement' => 'getMovement',
+        'signed_movement' => 'getSignedMovement'
     ];
 
     /**
diff --git a/lib/Models/Finance/TrialBalanceResponse.php b/lib/Models/Finance/TrialBalanceResponse.php
index 8acdcbab..16aa3ccb 100644
--- a/lib/Models/Finance/TrialBalanceResponse.php
+++ b/lib/Models/Finance/TrialBalanceResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class TrialBalanceResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'start_date' => '\DateTime''end_date' => '\DateTime''accounts' => '\XeroAPI\XeroPHP\Models\Finance\TrialBalanceAccount[]'
+        'start_date' => '\DateTime',
+        'end_date' => '\DateTime',
+        'accounts' => '\XeroAPI\XeroPHP\Models\Finance\TrialBalanceAccount[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class TrialBalanceResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'start_date' => 'date''end_date' => 'date''accounts' => null
+        'start_date' => 'date',
+        'end_date' => 'date',
+        'accounts' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'start_date' => 'startDate''end_date' => 'endDate''accounts' => 'accounts'
+        'start_date' => 'startDate',
+        'end_date' => 'endDate',
+        'accounts' => 'accounts'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'start_date' => 'setStartDate''end_date' => 'setEndDate''accounts' => 'setAccounts'
+        'start_date' => 'setStartDate',
+        'end_date' => 'setEndDate',
+        'accounts' => 'setAccounts'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'start_date' => 'getStartDate''end_date' => 'getEndDate''accounts' => 'getAccounts'
+        'start_date' => 'getStartDate',
+        'end_date' => 'getEndDate',
+        'accounts' => 'getAccounts'
     ];
 
     /**
diff --git a/lib/Models/Finance/UserActivitiesResponse.php b/lib/Models/Finance/UserActivitiesResponse.php
index fd9fcb8b..cc3c12ea 100644
--- a/lib/Models/Finance/UserActivitiesResponse.php
+++ b/lib/Models/Finance/UserActivitiesResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class UserActivitiesResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'organisation_id' => 'string''data_month' => 'string''users' => '\XeroAPI\XeroPHP\Models\Finance\UserResponse[]'
+        'organisation_id' => 'string',
+        'data_month' => 'string',
+        'users' => '\XeroAPI\XeroPHP\Models\Finance\UserResponse[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class UserActivitiesResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'organisation_id' => 'uuid''data_month' => null'users' => null
+        'organisation_id' => 'uuid',
+        'data_month' => null,
+        'users' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'organisation_id' => 'organisationId''data_month' => 'dataMonth''users' => 'users'
+        'organisation_id' => 'organisationId',
+        'data_month' => 'dataMonth',
+        'users' => 'users'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'organisation_id' => 'setOrganisationId''data_month' => 'setDataMonth''users' => 'setUsers'
+        'organisation_id' => 'setOrganisationId',
+        'data_month' => 'setDataMonth',
+        'users' => 'setUsers'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'organisation_id' => 'getOrganisationId''data_month' => 'getDataMonth''users' => 'getUsers'
+        'organisation_id' => 'getOrganisationId',
+        'data_month' => 'getDataMonth',
+        'users' => 'getUsers'
     ];
 
     /**
diff --git a/lib/Models/Finance/UserResponse.php b/lib/Models/Finance/UserResponse.php
index 4045b147..93327e91 100644
--- a/lib/Models/Finance/UserResponse.php
+++ b/lib/Models/Finance/UserResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,18 @@ class UserResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'user_id' => 'string''user_created_date_utc' => '\DateTime''last_login_date_utc' => '\DateTime''is_external_partner' => 'bool''has_accountant_role' => 'bool''month_period' => 'string''number_of_logins' => 'int''number_of_documents_created' => 'int''net_value_documents_created' => 'double''absolute_value_documents_created' => 'double''attached_practices' => '\XeroAPI\XeroPHP\Models\Finance\PracticeResponse[]''history_records' => '\XeroAPI\XeroPHP\Models\Finance\HistoryRecordResponse[]'
+        'user_id' => 'string',
+        'user_created_date_utc' => '\DateTime',
+        'last_login_date_utc' => '\DateTime',
+        'is_external_partner' => 'bool',
+        'has_accountant_role' => 'bool',
+        'month_period' => 'string',
+        'number_of_logins' => 'int',
+        'number_of_documents_created' => 'int',
+        'net_value_documents_created' => 'double',
+        'absolute_value_documents_created' => 'double',
+        'attached_practices' => '\XeroAPI\XeroPHP\Models\Finance\PracticeResponse[]',
+        'history_records' => '\XeroAPI\XeroPHP\Models\Finance\HistoryRecordResponse[]'
     ];
 
     /**
@@ -67,7 +78,18 @@ class UserResponse implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'user_id' => 'uuid''user_created_date_utc' => 'date-time''last_login_date_utc' => 'date-time''is_external_partner' => null'has_accountant_role' => null'month_period' => null'number_of_logins' => 'int32''number_of_documents_created' => 'int32''net_value_documents_created' => 'double''absolute_value_documents_created' => 'double''attached_practices' => null'history_records' => null
+        'user_id' => 'uuid',
+        'user_created_date_utc' => 'date-time',
+        'last_login_date_utc' => 'date-time',
+        'is_external_partner' => null,
+        'has_accountant_role' => null,
+        'month_period' => null,
+        'number_of_logins' => 'int32',
+        'number_of_documents_created' => 'int32',
+        'net_value_documents_created' => 'double',
+        'absolute_value_documents_created' => 'double',
+        'attached_practices' => null,
+        'history_records' => null
     ];
 
     /**
@@ -97,7 +119,18 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'user_id' => 'userId''user_created_date_utc' => 'userCreatedDateUtc''last_login_date_utc' => 'lastLoginDateUtc''is_external_partner' => 'isExternalPartner''has_accountant_role' => 'hasAccountantRole''month_period' => 'monthPeriod''number_of_logins' => 'numberOfLogins''number_of_documents_created' => 'numberOfDocumentsCreated''net_value_documents_created' => 'netValueDocumentsCreated''absolute_value_documents_created' => 'absoluteValueDocumentsCreated''attached_practices' => 'attachedPractices''history_records' => 'historyRecords'
+        'user_id' => 'userId',
+        'user_created_date_utc' => 'userCreatedDateUtc',
+        'last_login_date_utc' => 'lastLoginDateUtc',
+        'is_external_partner' => 'isExternalPartner',
+        'has_accountant_role' => 'hasAccountantRole',
+        'month_period' => 'monthPeriod',
+        'number_of_logins' => 'numberOfLogins',
+        'number_of_documents_created' => 'numberOfDocumentsCreated',
+        'net_value_documents_created' => 'netValueDocumentsCreated',
+        'absolute_value_documents_created' => 'absoluteValueDocumentsCreated',
+        'attached_practices' => 'attachedPractices',
+        'history_records' => 'historyRecords'
     ];
 
     /**
@@ -106,7 +139,18 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'user_id' => 'setUserId''user_created_date_utc' => 'setUserCreatedDateUtc''last_login_date_utc' => 'setLastLoginDateUtc''is_external_partner' => 'setIsExternalPartner''has_accountant_role' => 'setHasAccountantRole''month_period' => 'setMonthPeriod''number_of_logins' => 'setNumberOfLogins''number_of_documents_created' => 'setNumberOfDocumentsCreated''net_value_documents_created' => 'setNetValueDocumentsCreated''absolute_value_documents_created' => 'setAbsoluteValueDocumentsCreated''attached_practices' => 'setAttachedPractices''history_records' => 'setHistoryRecords'
+        'user_id' => 'setUserId',
+        'user_created_date_utc' => 'setUserCreatedDateUtc',
+        'last_login_date_utc' => 'setLastLoginDateUtc',
+        'is_external_partner' => 'setIsExternalPartner',
+        'has_accountant_role' => 'setHasAccountantRole',
+        'month_period' => 'setMonthPeriod',
+        'number_of_logins' => 'setNumberOfLogins',
+        'number_of_documents_created' => 'setNumberOfDocumentsCreated',
+        'net_value_documents_created' => 'setNetValueDocumentsCreated',
+        'absolute_value_documents_created' => 'setAbsoluteValueDocumentsCreated',
+        'attached_practices' => 'setAttachedPractices',
+        'history_records' => 'setHistoryRecords'
     ];
 
     /**
@@ -115,7 +159,18 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'user_id' => 'getUserId''user_created_date_utc' => 'getUserCreatedDateUtc''last_login_date_utc' => 'getLastLoginDateUtc''is_external_partner' => 'getIsExternalPartner''has_accountant_role' => 'getHasAccountantRole''month_period' => 'getMonthPeriod''number_of_logins' => 'getNumberOfLogins''number_of_documents_created' => 'getNumberOfDocumentsCreated''net_value_documents_created' => 'getNetValueDocumentsCreated''absolute_value_documents_created' => 'getAbsoluteValueDocumentsCreated''attached_practices' => 'getAttachedPractices''history_records' => 'getHistoryRecords'
+        'user_id' => 'getUserId',
+        'user_created_date_utc' => 'getUserCreatedDateUtc',
+        'last_login_date_utc' => 'getLastLoginDateUtc',
+        'is_external_partner' => 'getIsExternalPartner',
+        'has_accountant_role' => 'getHasAccountantRole',
+        'month_period' => 'getMonthPeriod',
+        'number_of_logins' => 'getNumberOfLogins',
+        'number_of_documents_created' => 'getNumberOfDocumentsCreated',
+        'net_value_documents_created' => 'getNetValueDocumentsCreated',
+        'absolute_value_documents_created' => 'getAbsoluteValueDocumentsCreated',
+        'attached_practices' => 'getAttachedPractices',
+        'history_records' => 'getHistoryRecords'
     ];
 
     /**
diff --git a/lib/Models/Identity/AccessToken.php b/lib/Models/Identity/AccessToken.php
index 42947aa7..0dbe1068 100644
--- a/lib/Models/Identity/AccessToken.php
+++ b/lib/Models/Identity/AccessToken.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class AccessToken implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'id_token' => 'string''access_token' => 'string''expires_in' => 'int''token_type' => 'string''refresh_token' => 'string'
+        'id_token' => 'string',
+        'access_token' => 'string',
+        'expires_in' => 'int',
+        'token_type' => 'string',
+        'refresh_token' => 'string'
     ];
 
     /**
@@ -67,7 +71,11 @@ class AccessToken implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'id_token' => null'access_token' => null'expires_in' => 'int64''token_type' => null'refresh_token' => null
+        'id_token' => null,
+        'access_token' => null,
+        'expires_in' => 'int64',
+        'token_type' => null,
+        'refresh_token' => null
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'id_token' => 'id_token''access_token' => 'access_token''expires_in' => 'expires_in''token_type' => 'token_type''refresh_token' => 'refresh_token'
+        'id_token' => 'id_token',
+        'access_token' => 'access_token',
+        'expires_in' => 'expires_in',
+        'token_type' => 'token_type',
+        'refresh_token' => 'refresh_token'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'id_token' => 'setIdToken''access_token' => 'setAccessToken''expires_in' => 'setExpiresIn''token_type' => 'setTokenType''refresh_token' => 'setRefreshToken'
+        'id_token' => 'setIdToken',
+        'access_token' => 'setAccessToken',
+        'expires_in' => 'setExpiresIn',
+        'token_type' => 'setTokenType',
+        'refresh_token' => 'setRefreshToken'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'id_token' => 'getIdToken''access_token' => 'getAccessToken''expires_in' => 'getExpiresIn''token_type' => 'getTokenType''refresh_token' => 'getRefreshToken'
+        'id_token' => 'getIdToken',
+        'access_token' => 'getAccessToken',
+        'expires_in' => 'getExpiresIn',
+        'token_type' => 'getTokenType',
+        'refresh_token' => 'getRefreshToken'
     ];
 
     /**
diff --git a/lib/Models/Identity/Connection.php b/lib/Models/Identity/Connection.php
index ea13381d..f5428e5b 100644
--- a/lib/Models/Identity/Connection.php
+++ b/lib/Models/Identity/Connection.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,13 @@ class Connection implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'id' => 'string''tenant_id' => 'string''auth_event_id' => 'string''tenant_type' => 'string''tenant_name' => 'string''created_date_utc' => '\DateTime''updated_date_utc' => '\DateTime'
+        'id' => 'string',
+        'tenant_id' => 'string',
+        'auth_event_id' => 'string',
+        'tenant_type' => 'string',
+        'tenant_name' => 'string',
+        'created_date_utc' => '\DateTime',
+        'updated_date_utc' => '\DateTime'
     ];
 
     /**
@@ -67,7 +73,13 @@ class Connection implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'id' => 'uuid''tenant_id' => 'uuid''auth_event_id' => 'uuid''tenant_type' => null'tenant_name' => null'created_date_utc' => 'date-time''updated_date_utc' => 'date-time'
+        'id' => 'uuid',
+        'tenant_id' => 'uuid',
+        'auth_event_id' => 'uuid',
+        'tenant_type' => null,
+        'tenant_name' => null,
+        'created_date_utc' => 'date-time',
+        'updated_date_utc' => 'date-time'
     ];
 
     /**
@@ -97,7 +109,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'id' => 'id''tenant_id' => 'tenantId''auth_event_id' => 'authEventId''tenant_type' => 'tenantType''tenant_name' => 'tenantName''created_date_utc' => 'createdDateUtc''updated_date_utc' => 'updatedDateUtc'
+        'id' => 'id',
+        'tenant_id' => 'tenantId',
+        'auth_event_id' => 'authEventId',
+        'tenant_type' => 'tenantType',
+        'tenant_name' => 'tenantName',
+        'created_date_utc' => 'createdDateUtc',
+        'updated_date_utc' => 'updatedDateUtc'
     ];
 
     /**
@@ -106,7 +124,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'id' => 'setId''tenant_id' => 'setTenantId''auth_event_id' => 'setAuthEventId''tenant_type' => 'setTenantType''tenant_name' => 'setTenantName''created_date_utc' => 'setCreatedDateUtc''updated_date_utc' => 'setUpdatedDateUtc'
+        'id' => 'setId',
+        'tenant_id' => 'setTenantId',
+        'auth_event_id' => 'setAuthEventId',
+        'tenant_type' => 'setTenantType',
+        'tenant_name' => 'setTenantName',
+        'created_date_utc' => 'setCreatedDateUtc',
+        'updated_date_utc' => 'setUpdatedDateUtc'
     ];
 
     /**
@@ -115,7 +139,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'id' => 'getId''tenant_id' => 'getTenantId''auth_event_id' => 'getAuthEventId''tenant_type' => 'getTenantType''tenant_name' => 'getTenantName''created_date_utc' => 'getCreatedDateUtc''updated_date_utc' => 'getUpdatedDateUtc'
+        'id' => 'getId',
+        'tenant_id' => 'getTenantId',
+        'auth_event_id' => 'getAuthEventId',
+        'tenant_type' => 'getTenantType',
+        'tenant_name' => 'getTenantName',
+        'created_date_utc' => 'getCreatedDateUtc',
+        'updated_date_utc' => 'getUpdatedDateUtc'
     ];
 
     /**
diff --git a/lib/Models/Identity/ModelInterface.php b/lib/Models/Identity/ModelInterface.php
index dbb378c9..65e1856b 100644
--- a/lib/Models/Identity/ModelInterface.php
+++ b/lib/Models/Identity/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Identity/RefreshToken.php b/lib/Models/Identity/RefreshToken.php
index b3c7ba18..83582304 100644
--- a/lib/Models/Identity/RefreshToken.php
+++ b/lib/Models/Identity/RefreshToken.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class RefreshToken implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'grant_type' => 'string''refresh_token' => 'string''client_id' => 'string''client_secret' => 'string'
+        'grant_type' => 'string',
+        'refresh_token' => 'string',
+        'client_id' => 'string',
+        'client_secret' => 'string'
     ];
 
     /**
@@ -67,7 +70,10 @@ class RefreshToken implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'grant_type' => null'refresh_token' => null'client_id' => null'client_secret' => null
+        'grant_type' => null,
+        'refresh_token' => null,
+        'client_id' => null,
+        'client_secret' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'grant_type' => 'grant_type''refresh_token' => 'refresh_token''client_id' => 'client_id''client_secret' => 'client_secret'
+        'grant_type' => 'grant_type',
+        'refresh_token' => 'refresh_token',
+        'client_id' => 'client_id',
+        'client_secret' => 'client_secret'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'grant_type' => 'setGrantType''refresh_token' => 'setRefreshToken''client_id' => 'setClientId''client_secret' => 'setClientSecret'
+        'grant_type' => 'setGrantType',
+        'refresh_token' => 'setRefreshToken',
+        'client_id' => 'setClientId',
+        'client_secret' => 'setClientSecret'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'grant_type' => 'getGrantType''refresh_token' => 'getRefreshToken''client_id' => 'getClientId''client_secret' => 'getClientSecret'
+        'grant_type' => 'getGrantType',
+        'refresh_token' => 'getRefreshToken',
+        'client_id' => 'getClientId',
+        'client_secret' => 'getClientSecret'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/APIException.php b/lib/Models/PayrollAu/APIException.php
index b3239807..54f1c756 100644
--- a/lib/Models/PayrollAu/APIException.php
+++ b/lib/Models/PayrollAu/APIException.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -59,7 +59,9 @@ class APIException implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'error_number' => 'float''type' => 'string''message' => 'string'
+        'error_number' => 'float',
+        'type' => 'string',
+        'message' => 'string'
     ];
 
     /**
@@ -68,7 +70,9 @@ class APIException implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'error_number' => 'integer''type' => null'message' => null
+        'error_number' => 'integer',
+        'type' => null,
+        'message' => null
     ];
 
     /**
@@ -98,7 +102,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'error_number' => 'ErrorNumber''type' => 'Type''message' => 'Message'
+        'error_number' => 'ErrorNumber',
+        'type' => 'Type',
+        'message' => 'Message'
     ];
 
     /**
@@ -107,7 +113,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'error_number' => 'setErrorNumber''type' => 'setType''message' => 'setMessage'
+        'error_number' => 'setErrorNumber',
+        'type' => 'setType',
+        'message' => 'setMessage'
     ];
 
     /**
@@ -116,7 +124,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'error_number' => 'getErrorNumber''type' => 'getType''message' => 'getMessage'
+        'error_number' => 'getErrorNumber',
+        'type' => 'getType',
+        'message' => 'getMessage'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/Account.php b/lib/Models/PayrollAu/Account.php
index 5f265ea4..809a8207 100644
--- a/lib/Models/PayrollAu/Account.php
+++ b/lib/Models/PayrollAu/Account.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class Account implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_id' => 'string''type' => '\XeroAPI\XeroPHP\Models\PayrollAu\AccountType''code' => 'string''name' => 'string'
+        'account_id' => 'string',
+        'type' => '\XeroAPI\XeroPHP\Models\PayrollAu\AccountType',
+        'code' => 'string',
+        'name' => 'string'
     ];
 
     /**
@@ -67,7 +70,10 @@ class Account implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_id' => 'uuid''type' => null'code' => null'name' => null
+        'account_id' => 'uuid',
+        'type' => null,
+        'code' => null,
+        'name' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_id' => 'AccountID''type' => 'Type''code' => 'Code''name' => 'Name'
+        'account_id' => 'AccountID',
+        'type' => 'Type',
+        'code' => 'Code',
+        'name' => 'Name'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_id' => 'setAccountId''type' => 'setType''code' => 'setCode''name' => 'setName'
+        'account_id' => 'setAccountId',
+        'type' => 'setType',
+        'code' => 'setCode',
+        'name' => 'setName'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_id' => 'getAccountId''type' => 'getType''code' => 'getCode''name' => 'getName'
+        'account_id' => 'getAccountId',
+        'type' => 'getType',
+        'code' => 'getCode',
+        'name' => 'getName'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/AccountType.php b/lib/Models/PayrollAu/AccountType.php
index 8eb3de20..f8587601 100644
--- a/lib/Models/PayrollAu/AccountType.php
+++ b/lib/Models/PayrollAu/AccountType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/AllowanceCategory.php b/lib/Models/PayrollAu/AllowanceCategory.php
index ccd19895..330e71e2 100644
--- a/lib/Models/PayrollAu/AllowanceCategory.php
+++ b/lib/Models/PayrollAu/AllowanceCategory.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/AllowanceType.php b/lib/Models/PayrollAu/AllowanceType.php
index 458aa1be..321b0e31 100644
--- a/lib/Models/PayrollAu/AllowanceType.php
+++ b/lib/Models/PayrollAu/AllowanceType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/BankAccount.php b/lib/Models/PayrollAu/BankAccount.php
index 976c7ebd..0232077f 100644
--- a/lib/Models/PayrollAu/BankAccount.php
+++ b/lib/Models/PayrollAu/BankAccount.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class BankAccount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'statement_text' => 'string''account_name' => 'string''bsb' => 'string''account_number' => 'string''remainder' => 'bool''amount' => 'double'
+        'statement_text' => 'string',
+        'account_name' => 'string',
+        'bsb' => 'string',
+        'account_number' => 'string',
+        'remainder' => 'bool',
+        'amount' => 'double'
     ];
 
     /**
@@ -67,7 +72,12 @@ class BankAccount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'statement_text' => null'account_name' => null'bsb' => null'account_number' => null'remainder' => null'amount' => 'double'
+        'statement_text' => null,
+        'account_name' => null,
+        'bsb' => null,
+        'account_number' => null,
+        'remainder' => null,
+        'amount' => 'double'
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'statement_text' => 'StatementText''account_name' => 'AccountName''bsb' => 'BSB''account_number' => 'AccountNumber''remainder' => 'Remainder''amount' => 'Amount'
+        'statement_text' => 'StatementText',
+        'account_name' => 'AccountName',
+        'bsb' => 'BSB',
+        'account_number' => 'AccountNumber',
+        'remainder' => 'Remainder',
+        'amount' => 'Amount'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'statement_text' => 'setStatementText''account_name' => 'setAccountName''bsb' => 'setBsb''account_number' => 'setAccountNumber''remainder' => 'setRemainder''amount' => 'setAmount'
+        'statement_text' => 'setStatementText',
+        'account_name' => 'setAccountName',
+        'bsb' => 'setBsb',
+        'account_number' => 'setAccountNumber',
+        'remainder' => 'setRemainder',
+        'amount' => 'setAmount'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'statement_text' => 'getStatementText''account_name' => 'getAccountName''bsb' => 'getBsb''account_number' => 'getAccountNumber''remainder' => 'getRemainder''amount' => 'getAmount'
+        'statement_text' => 'getStatementText',
+        'account_name' => 'getAccountName',
+        'bsb' => 'getBsb',
+        'account_number' => 'getAccountNumber',
+        'remainder' => 'getRemainder',
+        'amount' => 'getAmount'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/CalendarType.php b/lib/Models/PayrollAu/CalendarType.php
index 8dcea85a..def17ba7 100644
--- a/lib/Models/PayrollAu/CalendarType.php
+++ b/lib/Models/PayrollAu/CalendarType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/DeductionLine.php b/lib/Models/PayrollAu/DeductionLine.php
index f757e93e..e28eebb7 100644
--- a/lib/Models/PayrollAu/DeductionLine.php
+++ b/lib/Models/PayrollAu/DeductionLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class DeductionLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'deduction_type_id' => 'string''calculation_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\DeductionTypeCalculationType''amount' => 'double''percentage' => 'double''number_of_units' => 'double'
+        'deduction_type_id' => 'string',
+        'calculation_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\DeductionTypeCalculationType',
+        'amount' => 'double',
+        'percentage' => 'double',
+        'number_of_units' => 'double'
     ];
 
     /**
@@ -67,7 +71,11 @@ class DeductionLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'deduction_type_id' => 'uuid''calculation_type' => null'amount' => 'double''percentage' => 'double''number_of_units' => 'double'
+        'deduction_type_id' => 'uuid',
+        'calculation_type' => null,
+        'amount' => 'double',
+        'percentage' => 'double',
+        'number_of_units' => 'double'
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'deduction_type_id' => 'DeductionTypeID''calculation_type' => 'CalculationType''amount' => 'Amount''percentage' => 'Percentage''number_of_units' => 'NumberOfUnits'
+        'deduction_type_id' => 'DeductionTypeID',
+        'calculation_type' => 'CalculationType',
+        'amount' => 'Amount',
+        'percentage' => 'Percentage',
+        'number_of_units' => 'NumberOfUnits'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'deduction_type_id' => 'setDeductionTypeId''calculation_type' => 'setCalculationType''amount' => 'setAmount''percentage' => 'setPercentage''number_of_units' => 'setNumberOfUnits'
+        'deduction_type_id' => 'setDeductionTypeId',
+        'calculation_type' => 'setCalculationType',
+        'amount' => 'setAmount',
+        'percentage' => 'setPercentage',
+        'number_of_units' => 'setNumberOfUnits'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'deduction_type_id' => 'getDeductionTypeId''calculation_type' => 'getCalculationType''amount' => 'getAmount''percentage' => 'getPercentage''number_of_units' => 'getNumberOfUnits'
+        'deduction_type_id' => 'getDeductionTypeId',
+        'calculation_type' => 'getCalculationType',
+        'amount' => 'getAmount',
+        'percentage' => 'getPercentage',
+        'number_of_units' => 'getNumberOfUnits'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/DeductionType.php b/lib/Models/PayrollAu/DeductionType.php
index 63e520e7..d4c01dd1 100644
--- a/lib/Models/PayrollAu/DeductionType.php
+++ b/lib/Models/PayrollAu/DeductionType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,15 @@ class DeductionType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string''account_code' => 'string''reduces_tax' => 'bool''reduces_super' => 'bool''is_exempt_from_w1' => 'bool''deduction_type_id' => 'string''updated_date_utc' => 'string''deduction_category' => 'string''current_record' => 'bool'
+        'name' => 'string',
+        'account_code' => 'string',
+        'reduces_tax' => 'bool',
+        'reduces_super' => 'bool',
+        'is_exempt_from_w1' => 'bool',
+        'deduction_type_id' => 'string',
+        'updated_date_utc' => 'string',
+        'deduction_category' => 'string',
+        'current_record' => 'bool'
     ];
 
     /**
@@ -67,7 +75,15 @@ class DeductionType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null'account_code' => null'reduces_tax' => null'reduces_super' => null'is_exempt_from_w1' => null'deduction_type_id' => 'uuid''updated_date_utc' => null'deduction_category' => null'current_record' => null
+        'name' => null,
+        'account_code' => null,
+        'reduces_tax' => null,
+        'reduces_super' => null,
+        'is_exempt_from_w1' => null,
+        'deduction_type_id' => 'uuid',
+        'updated_date_utc' => null,
+        'deduction_category' => null,
+        'current_record' => null
     ];
 
     /**
@@ -97,7 +113,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'Name''account_code' => 'AccountCode''reduces_tax' => 'ReducesTax''reduces_super' => 'ReducesSuper''is_exempt_from_w1' => 'IsExemptFromW1''deduction_type_id' => 'DeductionTypeID''updated_date_utc' => 'UpdatedDateUTC''deduction_category' => 'DeductionCategory''current_record' => 'CurrentRecord'
+        'name' => 'Name',
+        'account_code' => 'AccountCode',
+        'reduces_tax' => 'ReducesTax',
+        'reduces_super' => 'ReducesSuper',
+        'is_exempt_from_w1' => 'IsExemptFromW1',
+        'deduction_type_id' => 'DeductionTypeID',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'deduction_category' => 'DeductionCategory',
+        'current_record' => 'CurrentRecord'
     ];
 
     /**
@@ -106,7 +130,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName''account_code' => 'setAccountCode''reduces_tax' => 'setReducesTax''reduces_super' => 'setReducesSuper''is_exempt_from_w1' => 'setIsExemptFromW1''deduction_type_id' => 'setDeductionTypeId''updated_date_utc' => 'setUpdatedDateUtc''deduction_category' => 'setDeductionCategory''current_record' => 'setCurrentRecord'
+        'name' => 'setName',
+        'account_code' => 'setAccountCode',
+        'reduces_tax' => 'setReducesTax',
+        'reduces_super' => 'setReducesSuper',
+        'is_exempt_from_w1' => 'setIsExemptFromW1',
+        'deduction_type_id' => 'setDeductionTypeId',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'deduction_category' => 'setDeductionCategory',
+        'current_record' => 'setCurrentRecord'
     ];
 
     /**
@@ -115,7 +147,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName''account_code' => 'getAccountCode''reduces_tax' => 'getReducesTax''reduces_super' => 'getReducesSuper''is_exempt_from_w1' => 'getIsExemptFromW1''deduction_type_id' => 'getDeductionTypeId''updated_date_utc' => 'getUpdatedDateUtc''deduction_category' => 'getDeductionCategory''current_record' => 'getCurrentRecord'
+        'name' => 'getName',
+        'account_code' => 'getAccountCode',
+        'reduces_tax' => 'getReducesTax',
+        'reduces_super' => 'getReducesSuper',
+        'is_exempt_from_w1' => 'getIsExemptFromW1',
+        'deduction_type_id' => 'getDeductionTypeId',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'deduction_category' => 'getDeductionCategory',
+        'current_record' => 'getCurrentRecord'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/DeductionTypeCalculationType.php b/lib/Models/PayrollAu/DeductionTypeCalculationType.php
index 87c3b287..e70454ae 100644
--- a/lib/Models/PayrollAu/DeductionTypeCalculationType.php
+++ b/lib/Models/PayrollAu/DeductionTypeCalculationType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/EarningsLine.php b/lib/Models/PayrollAu/EarningsLine.php
index a78de4fb..78e1db3b 100644
--- a/lib/Models/PayrollAu/EarningsLine.php
+++ b/lib/Models/PayrollAu/EarningsLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,15 @@ class EarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_rate_id' => 'string''calculation_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsRateCalculationType''annual_salary' => 'double''number_of_units_per_week' => 'double''rate_per_unit' => 'double''normal_number_of_units' => 'double''amount' => 'double''number_of_units' => 'double''fixed_amount' => 'double'
+        'earnings_rate_id' => 'string',
+        'calculation_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsRateCalculationType',
+        'annual_salary' => 'double',
+        'number_of_units_per_week' => 'double',
+        'rate_per_unit' => 'double',
+        'normal_number_of_units' => 'double',
+        'amount' => 'double',
+        'number_of_units' => 'double',
+        'fixed_amount' => 'double'
     ];
 
     /**
@@ -67,7 +75,15 @@ class EarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_rate_id' => 'uuid''calculation_type' => null'annual_salary' => 'double''number_of_units_per_week' => 'double''rate_per_unit' => 'double''normal_number_of_units' => 'double''amount' => 'double''number_of_units' => 'double''fixed_amount' => 'double'
+        'earnings_rate_id' => 'uuid',
+        'calculation_type' => null,
+        'annual_salary' => 'double',
+        'number_of_units_per_week' => 'double',
+        'rate_per_unit' => 'double',
+        'normal_number_of_units' => 'double',
+        'amount' => 'double',
+        'number_of_units' => 'double',
+        'fixed_amount' => 'double'
     ];
 
     /**
@@ -97,7 +113,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_rate_id' => 'EarningsRateID''calculation_type' => 'CalculationType''annual_salary' => 'AnnualSalary''number_of_units_per_week' => 'NumberOfUnitsPerWeek''rate_per_unit' => 'RatePerUnit''normal_number_of_units' => 'NormalNumberOfUnits''amount' => 'Amount''number_of_units' => 'NumberOfUnits''fixed_amount' => 'FixedAmount'
+        'earnings_rate_id' => 'EarningsRateID',
+        'calculation_type' => 'CalculationType',
+        'annual_salary' => 'AnnualSalary',
+        'number_of_units_per_week' => 'NumberOfUnitsPerWeek',
+        'rate_per_unit' => 'RatePerUnit',
+        'normal_number_of_units' => 'NormalNumberOfUnits',
+        'amount' => 'Amount',
+        'number_of_units' => 'NumberOfUnits',
+        'fixed_amount' => 'FixedAmount'
     ];
 
     /**
@@ -106,7 +130,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_rate_id' => 'setEarningsRateId''calculation_type' => 'setCalculationType''annual_salary' => 'setAnnualSalary''number_of_units_per_week' => 'setNumberOfUnitsPerWeek''rate_per_unit' => 'setRatePerUnit''normal_number_of_units' => 'setNormalNumberOfUnits''amount' => 'setAmount''number_of_units' => 'setNumberOfUnits''fixed_amount' => 'setFixedAmount'
+        'earnings_rate_id' => 'setEarningsRateId',
+        'calculation_type' => 'setCalculationType',
+        'annual_salary' => 'setAnnualSalary',
+        'number_of_units_per_week' => 'setNumberOfUnitsPerWeek',
+        'rate_per_unit' => 'setRatePerUnit',
+        'normal_number_of_units' => 'setNormalNumberOfUnits',
+        'amount' => 'setAmount',
+        'number_of_units' => 'setNumberOfUnits',
+        'fixed_amount' => 'setFixedAmount'
     ];
 
     /**
@@ -115,7 +147,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_rate_id' => 'getEarningsRateId''calculation_type' => 'getCalculationType''annual_salary' => 'getAnnualSalary''number_of_units_per_week' => 'getNumberOfUnitsPerWeek''rate_per_unit' => 'getRatePerUnit''normal_number_of_units' => 'getNormalNumberOfUnits''amount' => 'getAmount''number_of_units' => 'getNumberOfUnits''fixed_amount' => 'getFixedAmount'
+        'earnings_rate_id' => 'getEarningsRateId',
+        'calculation_type' => 'getCalculationType',
+        'annual_salary' => 'getAnnualSalary',
+        'number_of_units_per_week' => 'getNumberOfUnitsPerWeek',
+        'rate_per_unit' => 'getRatePerUnit',
+        'normal_number_of_units' => 'getNormalNumberOfUnits',
+        'amount' => 'getAmount',
+        'number_of_units' => 'getNumberOfUnits',
+        'fixed_amount' => 'getFixedAmount'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/EarningsRate.php b/lib/Models/PayrollAu/EarningsRate.php
index 361b1dfd..2ce398da 100644
--- a/lib/Models/PayrollAu/EarningsRate.php
+++ b/lib/Models/PayrollAu/EarningsRate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,24 @@ class EarningsRate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string''account_code' => 'string''type_of_units' => 'string''is_exempt_from_tax' => 'bool''is_exempt_from_super' => 'bool''is_reportable_as_w1' => 'bool''earnings_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsType''earnings_rate_id' => 'string''rate_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\RateType''rate_per_unit' => 'string''multiplier' => 'double''accrue_leave' => 'bool''amount' => 'double''employment_termination_payment_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\EmploymentTerminationPaymentType''updated_date_utc' => 'string''current_record' => 'bool''allowance_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\AllowanceType''allowance_category' => '\XeroAPI\XeroPHP\Models\PayrollAu\AllowanceCategory'
+        'name' => 'string',
+        'account_code' => 'string',
+        'type_of_units' => 'string',
+        'is_exempt_from_tax' => 'bool',
+        'is_exempt_from_super' => 'bool',
+        'is_reportable_as_w1' => 'bool',
+        'earnings_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsType',
+        'earnings_rate_id' => 'string',
+        'rate_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\RateType',
+        'rate_per_unit' => 'string',
+        'multiplier' => 'double',
+        'accrue_leave' => 'bool',
+        'amount' => 'double',
+        'employment_termination_payment_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\EmploymentTerminationPaymentType',
+        'updated_date_utc' => 'string',
+        'current_record' => 'bool',
+        'allowance_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\AllowanceType',
+        'allowance_category' => '\XeroAPI\XeroPHP\Models\PayrollAu\AllowanceCategory'
     ];
 
     /**
@@ -67,7 +84,24 @@ class EarningsRate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null'account_code' => null'type_of_units' => null'is_exempt_from_tax' => null'is_exempt_from_super' => null'is_reportable_as_w1' => null'earnings_type' => null'earnings_rate_id' => 'uuid''rate_type' => null'rate_per_unit' => null'multiplier' => 'double''accrue_leave' => null'amount' => 'double''employment_termination_payment_type' => null'updated_date_utc' => null'current_record' => null'allowance_type' => null'allowance_category' => null
+        'name' => null,
+        'account_code' => null,
+        'type_of_units' => null,
+        'is_exempt_from_tax' => null,
+        'is_exempt_from_super' => null,
+        'is_reportable_as_w1' => null,
+        'earnings_type' => null,
+        'earnings_rate_id' => 'uuid',
+        'rate_type' => null,
+        'rate_per_unit' => null,
+        'multiplier' => 'double',
+        'accrue_leave' => null,
+        'amount' => 'double',
+        'employment_termination_payment_type' => null,
+        'updated_date_utc' => null,
+        'current_record' => null,
+        'allowance_type' => null,
+        'allowance_category' => null
     ];
 
     /**
@@ -97,7 +131,24 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'Name''account_code' => 'AccountCode''type_of_units' => 'TypeOfUnits''is_exempt_from_tax' => 'IsExemptFromTax''is_exempt_from_super' => 'IsExemptFromSuper''is_reportable_as_w1' => 'IsReportableAsW1''earnings_type' => 'EarningsType''earnings_rate_id' => 'EarningsRateID''rate_type' => 'RateType''rate_per_unit' => 'RatePerUnit''multiplier' => 'Multiplier''accrue_leave' => 'AccrueLeave''amount' => 'Amount''employment_termination_payment_type' => 'EmploymentTerminationPaymentType''updated_date_utc' => 'UpdatedDateUTC''current_record' => 'CurrentRecord''allowance_type' => 'AllowanceType''allowance_category' => 'AllowanceCategory'
+        'name' => 'Name',
+        'account_code' => 'AccountCode',
+        'type_of_units' => 'TypeOfUnits',
+        'is_exempt_from_tax' => 'IsExemptFromTax',
+        'is_exempt_from_super' => 'IsExemptFromSuper',
+        'is_reportable_as_w1' => 'IsReportableAsW1',
+        'earnings_type' => 'EarningsType',
+        'earnings_rate_id' => 'EarningsRateID',
+        'rate_type' => 'RateType',
+        'rate_per_unit' => 'RatePerUnit',
+        'multiplier' => 'Multiplier',
+        'accrue_leave' => 'AccrueLeave',
+        'amount' => 'Amount',
+        'employment_termination_payment_type' => 'EmploymentTerminationPaymentType',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'current_record' => 'CurrentRecord',
+        'allowance_type' => 'AllowanceType',
+        'allowance_category' => 'AllowanceCategory'
     ];
 
     /**
@@ -106,7 +157,24 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName''account_code' => 'setAccountCode''type_of_units' => 'setTypeOfUnits''is_exempt_from_tax' => 'setIsExemptFromTax''is_exempt_from_super' => 'setIsExemptFromSuper''is_reportable_as_w1' => 'setIsReportableAsW1''earnings_type' => 'setEarningsType''earnings_rate_id' => 'setEarningsRateId''rate_type' => 'setRateType''rate_per_unit' => 'setRatePerUnit''multiplier' => 'setMultiplier''accrue_leave' => 'setAccrueLeave''amount' => 'setAmount''employment_termination_payment_type' => 'setEmploymentTerminationPaymentType''updated_date_utc' => 'setUpdatedDateUtc''current_record' => 'setCurrentRecord''allowance_type' => 'setAllowanceType''allowance_category' => 'setAllowanceCategory'
+        'name' => 'setName',
+        'account_code' => 'setAccountCode',
+        'type_of_units' => 'setTypeOfUnits',
+        'is_exempt_from_tax' => 'setIsExemptFromTax',
+        'is_exempt_from_super' => 'setIsExemptFromSuper',
+        'is_reportable_as_w1' => 'setIsReportableAsW1',
+        'earnings_type' => 'setEarningsType',
+        'earnings_rate_id' => 'setEarningsRateId',
+        'rate_type' => 'setRateType',
+        'rate_per_unit' => 'setRatePerUnit',
+        'multiplier' => 'setMultiplier',
+        'accrue_leave' => 'setAccrueLeave',
+        'amount' => 'setAmount',
+        'employment_termination_payment_type' => 'setEmploymentTerminationPaymentType',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'current_record' => 'setCurrentRecord',
+        'allowance_type' => 'setAllowanceType',
+        'allowance_category' => 'setAllowanceCategory'
     ];
 
     /**
@@ -115,7 +183,24 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName''account_code' => 'getAccountCode''type_of_units' => 'getTypeOfUnits''is_exempt_from_tax' => 'getIsExemptFromTax''is_exempt_from_super' => 'getIsExemptFromSuper''is_reportable_as_w1' => 'getIsReportableAsW1''earnings_type' => 'getEarningsType''earnings_rate_id' => 'getEarningsRateId''rate_type' => 'getRateType''rate_per_unit' => 'getRatePerUnit''multiplier' => 'getMultiplier''accrue_leave' => 'getAccrueLeave''amount' => 'getAmount''employment_termination_payment_type' => 'getEmploymentTerminationPaymentType''updated_date_utc' => 'getUpdatedDateUtc''current_record' => 'getCurrentRecord''allowance_type' => 'getAllowanceType''allowance_category' => 'getAllowanceCategory'
+        'name' => 'getName',
+        'account_code' => 'getAccountCode',
+        'type_of_units' => 'getTypeOfUnits',
+        'is_exempt_from_tax' => 'getIsExemptFromTax',
+        'is_exempt_from_super' => 'getIsExemptFromSuper',
+        'is_reportable_as_w1' => 'getIsReportableAsW1',
+        'earnings_type' => 'getEarningsType',
+        'earnings_rate_id' => 'getEarningsRateId',
+        'rate_type' => 'getRateType',
+        'rate_per_unit' => 'getRatePerUnit',
+        'multiplier' => 'getMultiplier',
+        'accrue_leave' => 'getAccrueLeave',
+        'amount' => 'getAmount',
+        'employment_termination_payment_type' => 'getEmploymentTerminationPaymentType',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'current_record' => 'getCurrentRecord',
+        'allowance_type' => 'getAllowanceType',
+        'allowance_category' => 'getAllowanceCategory'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/EarningsRateCalculationType.php b/lib/Models/PayrollAu/EarningsRateCalculationType.php
index ff183b19..f992ed31 100644
--- a/lib/Models/PayrollAu/EarningsRateCalculationType.php
+++ b/lib/Models/PayrollAu/EarningsRateCalculationType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/EarningsType.php b/lib/Models/PayrollAu/EarningsType.php
index b31a884f..c5aaf2e4 100644
--- a/lib/Models/PayrollAu/EarningsType.php
+++ b/lib/Models/PayrollAu/EarningsType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/Employee.php b/lib/Models/PayrollAu/Employee.php
index 481630db..ce9e988b 100644
--- a/lib/Models/PayrollAu/Employee.php
+++ b/lib/Models/PayrollAu/Employee.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,38 @@ class Employee implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'first_name' => 'string''last_name' => 'string''date_of_birth' => 'string''home_address' => '\XeroAPI\XeroPHP\Models\PayrollAu\HomeAddress''start_date' => 'string''title' => 'string''middle_names' => 'string''email' => 'string''gender' => 'string''phone' => 'string''mobile' => 'string''twitter_user_name' => 'string''is_authorised_to_approve_leave' => 'bool''is_authorised_to_approve_timesheets' => 'bool''job_title' => 'string''classification' => 'string''ordinary_earnings_rate_id' => 'string''payroll_calendar_id' => 'string''employee_group_name' => 'string''employee_id' => 'string''termination_date' => 'string''termination_reason' => 'string''bank_accounts' => '\XeroAPI\XeroPHP\Models\PayrollAu\BankAccount[]''pay_template' => '\XeroAPI\XeroPHP\Models\PayrollAu\PayTemplate''opening_balances' => '\XeroAPI\XeroPHP\Models\PayrollAu\OpeningBalances''tax_declaration' => '\XeroAPI\XeroPHP\Models\PayrollAu\TaxDeclaration''leave_balances' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveBalance[]''leave_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveLine[]''super_memberships' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperMembership[]''status' => '\XeroAPI\XeroPHP\Models\PayrollAu\EmployeeStatus''updated_date_utc' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\PayrollAu\ValidationError[]'
+        'first_name' => 'string',
+        'last_name' => 'string',
+        'date_of_birth' => 'string',
+        'home_address' => '\XeroAPI\XeroPHP\Models\PayrollAu\HomeAddress',
+        'start_date' => 'string',
+        'title' => 'string',
+        'middle_names' => 'string',
+        'email' => 'string',
+        'gender' => 'string',
+        'phone' => 'string',
+        'mobile' => 'string',
+        'twitter_user_name' => 'string',
+        'is_authorised_to_approve_leave' => 'bool',
+        'is_authorised_to_approve_timesheets' => 'bool',
+        'job_title' => 'string',
+        'classification' => 'string',
+        'ordinary_earnings_rate_id' => 'string',
+        'payroll_calendar_id' => 'string',
+        'employee_group_name' => 'string',
+        'employee_id' => 'string',
+        'termination_date' => 'string',
+        'termination_reason' => 'string',
+        'bank_accounts' => '\XeroAPI\XeroPHP\Models\PayrollAu\BankAccount[]',
+        'pay_template' => '\XeroAPI\XeroPHP\Models\PayrollAu\PayTemplate',
+        'opening_balances' => '\XeroAPI\XeroPHP\Models\PayrollAu\OpeningBalances',
+        'tax_declaration' => '\XeroAPI\XeroPHP\Models\PayrollAu\TaxDeclaration',
+        'leave_balances' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveBalance[]',
+        'leave_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveLine[]',
+        'super_memberships' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperMembership[]',
+        'status' => '\XeroAPI\XeroPHP\Models\PayrollAu\EmployeeStatus',
+        'updated_date_utc' => 'string',
+        'validation_errors' => '\XeroAPI\XeroPHP\Models\PayrollAu\ValidationError[]'
     ];
 
     /**
@@ -67,7 +98,38 @@ class Employee implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'first_name' => null'last_name' => null'date_of_birth' => null'home_address' => null'start_date' => null'title' => null'middle_names' => null'email' => null'gender' => null'phone' => null'mobile' => null'twitter_user_name' => null'is_authorised_to_approve_leave' => null'is_authorised_to_approve_timesheets' => null'job_title' => null'classification' => null'ordinary_earnings_rate_id' => 'uuid''payroll_calendar_id' => 'uuid''employee_group_name' => null'employee_id' => 'uuid''termination_date' => null'termination_reason' => null'bank_accounts' => null'pay_template' => null'opening_balances' => null'tax_declaration' => null'leave_balances' => null'leave_lines' => null'super_memberships' => null'status' => null'updated_date_utc' => null'validation_errors' => null
+        'first_name' => null,
+        'last_name' => null,
+        'date_of_birth' => null,
+        'home_address' => null,
+        'start_date' => null,
+        'title' => null,
+        'middle_names' => null,
+        'email' => null,
+        'gender' => null,
+        'phone' => null,
+        'mobile' => null,
+        'twitter_user_name' => null,
+        'is_authorised_to_approve_leave' => null,
+        'is_authorised_to_approve_timesheets' => null,
+        'job_title' => null,
+        'classification' => null,
+        'ordinary_earnings_rate_id' => 'uuid',
+        'payroll_calendar_id' => 'uuid',
+        'employee_group_name' => null,
+        'employee_id' => 'uuid',
+        'termination_date' => null,
+        'termination_reason' => null,
+        'bank_accounts' => null,
+        'pay_template' => null,
+        'opening_balances' => null,
+        'tax_declaration' => null,
+        'leave_balances' => null,
+        'leave_lines' => null,
+        'super_memberships' => null,
+        'status' => null,
+        'updated_date_utc' => null,
+        'validation_errors' => null
     ];
 
     /**
@@ -97,7 +159,38 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'first_name' => 'FirstName''last_name' => 'LastName''date_of_birth' => 'DateOfBirth''home_address' => 'HomeAddress''start_date' => 'StartDate''title' => 'Title''middle_names' => 'MiddleNames''email' => 'Email''gender' => 'Gender''phone' => 'Phone''mobile' => 'Mobile''twitter_user_name' => 'TwitterUserName''is_authorised_to_approve_leave' => 'IsAuthorisedToApproveLeave''is_authorised_to_approve_timesheets' => 'IsAuthorisedToApproveTimesheets''job_title' => 'JobTitle''classification' => 'Classification''ordinary_earnings_rate_id' => 'OrdinaryEarningsRateID''payroll_calendar_id' => 'PayrollCalendarID''employee_group_name' => 'EmployeeGroupName''employee_id' => 'EmployeeID''termination_date' => 'TerminationDate''termination_reason' => 'TerminationReason''bank_accounts' => 'BankAccounts''pay_template' => 'PayTemplate''opening_balances' => 'OpeningBalances''tax_declaration' => 'TaxDeclaration''leave_balances' => 'LeaveBalances''leave_lines' => 'LeaveLines''super_memberships' => 'SuperMemberships''status' => 'Status''updated_date_utc' => 'UpdatedDateUTC''validation_errors' => 'ValidationErrors'
+        'first_name' => 'FirstName',
+        'last_name' => 'LastName',
+        'date_of_birth' => 'DateOfBirth',
+        'home_address' => 'HomeAddress',
+        'start_date' => 'StartDate',
+        'title' => 'Title',
+        'middle_names' => 'MiddleNames',
+        'email' => 'Email',
+        'gender' => 'Gender',
+        'phone' => 'Phone',
+        'mobile' => 'Mobile',
+        'twitter_user_name' => 'TwitterUserName',
+        'is_authorised_to_approve_leave' => 'IsAuthorisedToApproveLeave',
+        'is_authorised_to_approve_timesheets' => 'IsAuthorisedToApproveTimesheets',
+        'job_title' => 'JobTitle',
+        'classification' => 'Classification',
+        'ordinary_earnings_rate_id' => 'OrdinaryEarningsRateID',
+        'payroll_calendar_id' => 'PayrollCalendarID',
+        'employee_group_name' => 'EmployeeGroupName',
+        'employee_id' => 'EmployeeID',
+        'termination_date' => 'TerminationDate',
+        'termination_reason' => 'TerminationReason',
+        'bank_accounts' => 'BankAccounts',
+        'pay_template' => 'PayTemplate',
+        'opening_balances' => 'OpeningBalances',
+        'tax_declaration' => 'TaxDeclaration',
+        'leave_balances' => 'LeaveBalances',
+        'leave_lines' => 'LeaveLines',
+        'super_memberships' => 'SuperMemberships',
+        'status' => 'Status',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -106,7 +199,38 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'first_name' => 'setFirstName''last_name' => 'setLastName''date_of_birth' => 'setDateOfBirth''home_address' => 'setHomeAddress''start_date' => 'setStartDate''title' => 'setTitle''middle_names' => 'setMiddleNames''email' => 'setEmail''gender' => 'setGender''phone' => 'setPhone''mobile' => 'setMobile''twitter_user_name' => 'setTwitterUserName''is_authorised_to_approve_leave' => 'setIsAuthorisedToApproveLeave''is_authorised_to_approve_timesheets' => 'setIsAuthorisedToApproveTimesheets''job_title' => 'setJobTitle''classification' => 'setClassification''ordinary_earnings_rate_id' => 'setOrdinaryEarningsRateId''payroll_calendar_id' => 'setPayrollCalendarId''employee_group_name' => 'setEmployeeGroupName''employee_id' => 'setEmployeeId''termination_date' => 'setTerminationDate''termination_reason' => 'setTerminationReason''bank_accounts' => 'setBankAccounts''pay_template' => 'setPayTemplate''opening_balances' => 'setOpeningBalances''tax_declaration' => 'setTaxDeclaration''leave_balances' => 'setLeaveBalances''leave_lines' => 'setLeaveLines''super_memberships' => 'setSuperMemberships''status' => 'setStatus''updated_date_utc' => 'setUpdatedDateUtc''validation_errors' => 'setValidationErrors'
+        'first_name' => 'setFirstName',
+        'last_name' => 'setLastName',
+        'date_of_birth' => 'setDateOfBirth',
+        'home_address' => 'setHomeAddress',
+        'start_date' => 'setStartDate',
+        'title' => 'setTitle',
+        'middle_names' => 'setMiddleNames',
+        'email' => 'setEmail',
+        'gender' => 'setGender',
+        'phone' => 'setPhone',
+        'mobile' => 'setMobile',
+        'twitter_user_name' => 'setTwitterUserName',
+        'is_authorised_to_approve_leave' => 'setIsAuthorisedToApproveLeave',
+        'is_authorised_to_approve_timesheets' => 'setIsAuthorisedToApproveTimesheets',
+        'job_title' => 'setJobTitle',
+        'classification' => 'setClassification',
+        'ordinary_earnings_rate_id' => 'setOrdinaryEarningsRateId',
+        'payroll_calendar_id' => 'setPayrollCalendarId',
+        'employee_group_name' => 'setEmployeeGroupName',
+        'employee_id' => 'setEmployeeId',
+        'termination_date' => 'setTerminationDate',
+        'termination_reason' => 'setTerminationReason',
+        'bank_accounts' => 'setBankAccounts',
+        'pay_template' => 'setPayTemplate',
+        'opening_balances' => 'setOpeningBalances',
+        'tax_declaration' => 'setTaxDeclaration',
+        'leave_balances' => 'setLeaveBalances',
+        'leave_lines' => 'setLeaveLines',
+        'super_memberships' => 'setSuperMemberships',
+        'status' => 'setStatus',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -115,7 +239,38 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'first_name' => 'getFirstName''last_name' => 'getLastName''date_of_birth' => 'getDateOfBirth''home_address' => 'getHomeAddress''start_date' => 'getStartDate''title' => 'getTitle''middle_names' => 'getMiddleNames''email' => 'getEmail''gender' => 'getGender''phone' => 'getPhone''mobile' => 'getMobile''twitter_user_name' => 'getTwitterUserName''is_authorised_to_approve_leave' => 'getIsAuthorisedToApproveLeave''is_authorised_to_approve_timesheets' => 'getIsAuthorisedToApproveTimesheets''job_title' => 'getJobTitle''classification' => 'getClassification''ordinary_earnings_rate_id' => 'getOrdinaryEarningsRateId''payroll_calendar_id' => 'getPayrollCalendarId''employee_group_name' => 'getEmployeeGroupName''employee_id' => 'getEmployeeId''termination_date' => 'getTerminationDate''termination_reason' => 'getTerminationReason''bank_accounts' => 'getBankAccounts''pay_template' => 'getPayTemplate''opening_balances' => 'getOpeningBalances''tax_declaration' => 'getTaxDeclaration''leave_balances' => 'getLeaveBalances''leave_lines' => 'getLeaveLines''super_memberships' => 'getSuperMemberships''status' => 'getStatus''updated_date_utc' => 'getUpdatedDateUtc''validation_errors' => 'getValidationErrors'
+        'first_name' => 'getFirstName',
+        'last_name' => 'getLastName',
+        'date_of_birth' => 'getDateOfBirth',
+        'home_address' => 'getHomeAddress',
+        'start_date' => 'getStartDate',
+        'title' => 'getTitle',
+        'middle_names' => 'getMiddleNames',
+        'email' => 'getEmail',
+        'gender' => 'getGender',
+        'phone' => 'getPhone',
+        'mobile' => 'getMobile',
+        'twitter_user_name' => 'getTwitterUserName',
+        'is_authorised_to_approve_leave' => 'getIsAuthorisedToApproveLeave',
+        'is_authorised_to_approve_timesheets' => 'getIsAuthorisedToApproveTimesheets',
+        'job_title' => 'getJobTitle',
+        'classification' => 'getClassification',
+        'ordinary_earnings_rate_id' => 'getOrdinaryEarningsRateId',
+        'payroll_calendar_id' => 'getPayrollCalendarId',
+        'employee_group_name' => 'getEmployeeGroupName',
+        'employee_id' => 'getEmployeeId',
+        'termination_date' => 'getTerminationDate',
+        'termination_reason' => 'getTerminationReason',
+        'bank_accounts' => 'getBankAccounts',
+        'pay_template' => 'getPayTemplate',
+        'opening_balances' => 'getOpeningBalances',
+        'tax_declaration' => 'getTaxDeclaration',
+        'leave_balances' => 'getLeaveBalances',
+        'leave_lines' => 'getLeaveLines',
+        'super_memberships' => 'getSuperMemberships',
+        'status' => 'getStatus',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'validation_errors' => 'getValidationErrors'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/EmployeeStatus.php b/lib/Models/PayrollAu/EmployeeStatus.php
index 16f7b3f8..8f1cf92d 100644
--- a/lib/Models/PayrollAu/EmployeeStatus.php
+++ b/lib/Models/PayrollAu/EmployeeStatus.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/Employees.php b/lib/Models/PayrollAu/Employees.php
index 556b5da8..527db1ee 100644
--- a/lib/Models/PayrollAu/Employees.php
+++ b/lib/Models/PayrollAu/Employees.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/EmploymentBasis.php b/lib/Models/PayrollAu/EmploymentBasis.php
index e40e4bf4..ec01c10a 100644
--- a/lib/Models/PayrollAu/EmploymentBasis.php
+++ b/lib/Models/PayrollAu/EmploymentBasis.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/EmploymentTerminationPaymentType.php b/lib/Models/PayrollAu/EmploymentTerminationPaymentType.php
index 4867c9bd..22bdbc23 100644
--- a/lib/Models/PayrollAu/EmploymentTerminationPaymentType.php
+++ b/lib/Models/PayrollAu/EmploymentTerminationPaymentType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/EntitlementFinalPayPayoutType.php b/lib/Models/PayrollAu/EntitlementFinalPayPayoutType.php
index 5caba45f..b2de2d00 100644
--- a/lib/Models/PayrollAu/EntitlementFinalPayPayoutType.php
+++ b/lib/Models/PayrollAu/EntitlementFinalPayPayoutType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/HomeAddress.php b/lib/Models/PayrollAu/HomeAddress.php
index ba16fd50..8580cbf6 100644
--- a/lib/Models/PayrollAu/HomeAddress.php
+++ b/lib/Models/PayrollAu/HomeAddress.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class HomeAddress implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'address_line1' => 'string''address_line2' => 'string''city' => 'string''region' => '\XeroAPI\XeroPHP\Models\PayrollAu\State''postal_code' => 'string''country' => 'string'
+        'address_line1' => 'string',
+        'address_line2' => 'string',
+        'city' => 'string',
+        'region' => '\XeroAPI\XeroPHP\Models\PayrollAu\State',
+        'postal_code' => 'string',
+        'country' => 'string'
     ];
 
     /**
@@ -67,7 +72,12 @@ class HomeAddress implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'address_line1' => null'address_line2' => null'city' => null'region' => null'postal_code' => null'country' => null
+        'address_line1' => null,
+        'address_line2' => null,
+        'city' => null,
+        'region' => null,
+        'postal_code' => null,
+        'country' => null
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'address_line1' => 'AddressLine1''address_line2' => 'AddressLine2''city' => 'City''region' => 'Region''postal_code' => 'PostalCode''country' => 'Country'
+        'address_line1' => 'AddressLine1',
+        'address_line2' => 'AddressLine2',
+        'city' => 'City',
+        'region' => 'Region',
+        'postal_code' => 'PostalCode',
+        'country' => 'Country'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'address_line1' => 'setAddressLine1''address_line2' => 'setAddressLine2''city' => 'setCity''region' => 'setRegion''postal_code' => 'setPostalCode''country' => 'setCountry'
+        'address_line1' => 'setAddressLine1',
+        'address_line2' => 'setAddressLine2',
+        'city' => 'setCity',
+        'region' => 'setRegion',
+        'postal_code' => 'setPostalCode',
+        'country' => 'setCountry'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'address_line1' => 'getAddressLine1''address_line2' => 'getAddressLine2''city' => 'getCity''region' => 'getRegion''postal_code' => 'getPostalCode''country' => 'getCountry'
+        'address_line1' => 'getAddressLine1',
+        'address_line2' => 'getAddressLine2',
+        'city' => 'getCity',
+        'region' => 'getRegion',
+        'postal_code' => 'getPostalCode',
+        'country' => 'getCountry'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/LeaveAccrualLine.php b/lib/Models/PayrollAu/LeaveAccrualLine.php
index 8e301bde..3294fb56 100644
--- a/lib/Models/PayrollAu/LeaveAccrualLine.php
+++ b/lib/Models/PayrollAu/LeaveAccrualLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class LeaveAccrualLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_type_id' => 'string''number_of_units' => 'double''auto_calculate' => 'bool'
+        'leave_type_id' => 'string',
+        'number_of_units' => 'double',
+        'auto_calculate' => 'bool'
     ];
 
     /**
@@ -67,7 +69,9 @@ class LeaveAccrualLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_type_id' => 'uuid''number_of_units' => 'double''auto_calculate' => null
+        'leave_type_id' => 'uuid',
+        'number_of_units' => 'double',
+        'auto_calculate' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_type_id' => 'LeaveTypeID''number_of_units' => 'NumberOfUnits''auto_calculate' => 'AutoCalculate'
+        'leave_type_id' => 'LeaveTypeID',
+        'number_of_units' => 'NumberOfUnits',
+        'auto_calculate' => 'AutoCalculate'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_type_id' => 'setLeaveTypeId''number_of_units' => 'setNumberOfUnits''auto_calculate' => 'setAutoCalculate'
+        'leave_type_id' => 'setLeaveTypeId',
+        'number_of_units' => 'setNumberOfUnits',
+        'auto_calculate' => 'setAutoCalculate'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_type_id' => 'getLeaveTypeId''number_of_units' => 'getNumberOfUnits''auto_calculate' => 'getAutoCalculate'
+        'leave_type_id' => 'getLeaveTypeId',
+        'number_of_units' => 'getNumberOfUnits',
+        'auto_calculate' => 'getAutoCalculate'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/LeaveApplication.php b/lib/Models/PayrollAu/LeaveApplication.php
index cf330bd8..641884a9 100644
--- a/lib/Models/PayrollAu/LeaveApplication.php
+++ b/lib/Models/PayrollAu/LeaveApplication.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,16 @@ class LeaveApplication implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_application_id' => 'string''employee_id' => 'string''leave_type_id' => 'string''title' => 'string''start_date' => 'string''end_date' => 'string''description' => 'string''leave_periods' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeavePeriod[]''updated_date_utc' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\PayrollAu\ValidationError[]'
+        'leave_application_id' => 'string',
+        'employee_id' => 'string',
+        'leave_type_id' => 'string',
+        'title' => 'string',
+        'start_date' => 'string',
+        'end_date' => 'string',
+        'description' => 'string',
+        'leave_periods' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeavePeriod[]',
+        'updated_date_utc' => 'string',
+        'validation_errors' => '\XeroAPI\XeroPHP\Models\PayrollAu\ValidationError[]'
     ];
 
     /**
@@ -67,7 +76,16 @@ class LeaveApplication implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_application_id' => 'uuid''employee_id' => 'uuid''leave_type_id' => 'uuid''title' => null'start_date' => null'end_date' => null'description' => null'leave_periods' => null'updated_date_utc' => null'validation_errors' => null
+        'leave_application_id' => 'uuid',
+        'employee_id' => 'uuid',
+        'leave_type_id' => 'uuid',
+        'title' => null,
+        'start_date' => null,
+        'end_date' => null,
+        'description' => null,
+        'leave_periods' => null,
+        'updated_date_utc' => null,
+        'validation_errors' => null
     ];
 
     /**
@@ -97,7 +115,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_application_id' => 'LeaveApplicationID''employee_id' => 'EmployeeID''leave_type_id' => 'LeaveTypeID''title' => 'Title''start_date' => 'StartDate''end_date' => 'EndDate''description' => 'Description''leave_periods' => 'LeavePeriods''updated_date_utc' => 'UpdatedDateUTC''validation_errors' => 'ValidationErrors'
+        'leave_application_id' => 'LeaveApplicationID',
+        'employee_id' => 'EmployeeID',
+        'leave_type_id' => 'LeaveTypeID',
+        'title' => 'Title',
+        'start_date' => 'StartDate',
+        'end_date' => 'EndDate',
+        'description' => 'Description',
+        'leave_periods' => 'LeavePeriods',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -106,7 +133,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_application_id' => 'setLeaveApplicationId''employee_id' => 'setEmployeeId''leave_type_id' => 'setLeaveTypeId''title' => 'setTitle''start_date' => 'setStartDate''end_date' => 'setEndDate''description' => 'setDescription''leave_periods' => 'setLeavePeriods''updated_date_utc' => 'setUpdatedDateUtc''validation_errors' => 'setValidationErrors'
+        'leave_application_id' => 'setLeaveApplicationId',
+        'employee_id' => 'setEmployeeId',
+        'leave_type_id' => 'setLeaveTypeId',
+        'title' => 'setTitle',
+        'start_date' => 'setStartDate',
+        'end_date' => 'setEndDate',
+        'description' => 'setDescription',
+        'leave_periods' => 'setLeavePeriods',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -115,7 +151,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_application_id' => 'getLeaveApplicationId''employee_id' => 'getEmployeeId''leave_type_id' => 'getLeaveTypeId''title' => 'getTitle''start_date' => 'getStartDate''end_date' => 'getEndDate''description' => 'getDescription''leave_periods' => 'getLeavePeriods''updated_date_utc' => 'getUpdatedDateUtc''validation_errors' => 'getValidationErrors'
+        'leave_application_id' => 'getLeaveApplicationId',
+        'employee_id' => 'getEmployeeId',
+        'leave_type_id' => 'getLeaveTypeId',
+        'title' => 'getTitle',
+        'start_date' => 'getStartDate',
+        'end_date' => 'getEndDate',
+        'description' => 'getDescription',
+        'leave_periods' => 'getLeavePeriods',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'validation_errors' => 'getValidationErrors'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/LeaveApplications.php b/lib/Models/PayrollAu/LeaveApplications.php
index 5340811c..c3eea065 100644
--- a/lib/Models/PayrollAu/LeaveApplications.php
+++ b/lib/Models/PayrollAu/LeaveApplications.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/LeaveBalance.php b/lib/Models/PayrollAu/LeaveBalance.php
index ef4dd44b..ec8bbe2e 100644
--- a/lib/Models/PayrollAu/LeaveBalance.php
+++ b/lib/Models/PayrollAu/LeaveBalance.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class LeaveBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_name' => 'string''leave_type_id' => 'string''number_of_units' => 'double''type_of_units' => 'string'
+        'leave_name' => 'string',
+        'leave_type_id' => 'string',
+        'number_of_units' => 'double',
+        'type_of_units' => 'string'
     ];
 
     /**
@@ -67,7 +70,10 @@ class LeaveBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_name' => null'leave_type_id' => null'number_of_units' => 'double''type_of_units' => null
+        'leave_name' => null,
+        'leave_type_id' => null,
+        'number_of_units' => 'double',
+        'type_of_units' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_name' => 'LeaveName''leave_type_id' => 'LeaveTypeID''number_of_units' => 'NumberOfUnits''type_of_units' => 'TypeOfUnits'
+        'leave_name' => 'LeaveName',
+        'leave_type_id' => 'LeaveTypeID',
+        'number_of_units' => 'NumberOfUnits',
+        'type_of_units' => 'TypeOfUnits'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_name' => 'setLeaveName''leave_type_id' => 'setLeaveTypeId''number_of_units' => 'setNumberOfUnits''type_of_units' => 'setTypeOfUnits'
+        'leave_name' => 'setLeaveName',
+        'leave_type_id' => 'setLeaveTypeId',
+        'number_of_units' => 'setNumberOfUnits',
+        'type_of_units' => 'setTypeOfUnits'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_name' => 'getLeaveName''leave_type_id' => 'getLeaveTypeId''number_of_units' => 'getNumberOfUnits''type_of_units' => 'getTypeOfUnits'
+        'leave_name' => 'getLeaveName',
+        'leave_type_id' => 'getLeaveTypeId',
+        'number_of_units' => 'getNumberOfUnits',
+        'type_of_units' => 'getTypeOfUnits'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/LeaveEarningsLine.php b/lib/Models/PayrollAu/LeaveEarningsLine.php
index e474d135..13d87655 100644
--- a/lib/Models/PayrollAu/LeaveEarningsLine.php
+++ b/lib/Models/PayrollAu/LeaveEarningsLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class LeaveEarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_rate_id' => 'string''rate_per_unit' => 'double''number_of_units' => 'double'
+        'earnings_rate_id' => 'string',
+        'rate_per_unit' => 'double',
+        'number_of_units' => 'double'
     ];
 
     /**
@@ -67,7 +69,9 @@ class LeaveEarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_rate_id' => 'uuid''rate_per_unit' => 'double''number_of_units' => 'double'
+        'earnings_rate_id' => 'uuid',
+        'rate_per_unit' => 'double',
+        'number_of_units' => 'double'
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_rate_id' => 'EarningsRateID''rate_per_unit' => 'RatePerUnit''number_of_units' => 'NumberOfUnits'
+        'earnings_rate_id' => 'EarningsRateID',
+        'rate_per_unit' => 'RatePerUnit',
+        'number_of_units' => 'NumberOfUnits'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_rate_id' => 'setEarningsRateId''rate_per_unit' => 'setRatePerUnit''number_of_units' => 'setNumberOfUnits'
+        'earnings_rate_id' => 'setEarningsRateId',
+        'rate_per_unit' => 'setRatePerUnit',
+        'number_of_units' => 'setNumberOfUnits'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_rate_id' => 'getEarningsRateId''rate_per_unit' => 'getRatePerUnit''number_of_units' => 'getNumberOfUnits'
+        'earnings_rate_id' => 'getEarningsRateId',
+        'rate_per_unit' => 'getRatePerUnit',
+        'number_of_units' => 'getNumberOfUnits'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/LeaveLine.php b/lib/Models/PayrollAu/LeaveLine.php
index 2007e2b6..9f7d516c 100644
--- a/lib/Models/PayrollAu/LeaveLine.php
+++ b/lib/Models/PayrollAu/LeaveLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,14 @@ class LeaveLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_type_id' => 'string''calculation_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveLineCalculationType''entitlement_final_pay_payout_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\EntitlementFinalPayPayoutType''employment_termination_payment_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\EmploymentTerminationPaymentType''include_superannuation_guarantee_contribution' => 'bool''number_of_units' => 'double''annual_number_of_units' => 'double''full_time_number_of_units_per_period' => 'double'
+        'leave_type_id' => 'string',
+        'calculation_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveLineCalculationType',
+        'entitlement_final_pay_payout_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\EntitlementFinalPayPayoutType',
+        'employment_termination_payment_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\EmploymentTerminationPaymentType',
+        'include_superannuation_guarantee_contribution' => 'bool',
+        'number_of_units' => 'double',
+        'annual_number_of_units' => 'double',
+        'full_time_number_of_units_per_period' => 'double'
     ];
 
     /**
@@ -67,7 +74,14 @@ class LeaveLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_type_id' => 'uuid''calculation_type' => null'entitlement_final_pay_payout_type' => null'employment_termination_payment_type' => null'include_superannuation_guarantee_contribution' => null'number_of_units' => 'double''annual_number_of_units' => 'double''full_time_number_of_units_per_period' => 'double'
+        'leave_type_id' => 'uuid',
+        'calculation_type' => null,
+        'entitlement_final_pay_payout_type' => null,
+        'employment_termination_payment_type' => null,
+        'include_superannuation_guarantee_contribution' => null,
+        'number_of_units' => 'double',
+        'annual_number_of_units' => 'double',
+        'full_time_number_of_units_per_period' => 'double'
     ];
 
     /**
@@ -97,7 +111,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_type_id' => 'LeaveTypeID''calculation_type' => 'CalculationType''entitlement_final_pay_payout_type' => 'EntitlementFinalPayPayoutType''employment_termination_payment_type' => 'EmploymentTerminationPaymentType''include_superannuation_guarantee_contribution' => 'IncludeSuperannuationGuaranteeContribution''number_of_units' => 'NumberOfUnits''annual_number_of_units' => 'AnnualNumberOfUnits''full_time_number_of_units_per_period' => 'FullTimeNumberOfUnitsPerPeriod'
+        'leave_type_id' => 'LeaveTypeID',
+        'calculation_type' => 'CalculationType',
+        'entitlement_final_pay_payout_type' => 'EntitlementFinalPayPayoutType',
+        'employment_termination_payment_type' => 'EmploymentTerminationPaymentType',
+        'include_superannuation_guarantee_contribution' => 'IncludeSuperannuationGuaranteeContribution',
+        'number_of_units' => 'NumberOfUnits',
+        'annual_number_of_units' => 'AnnualNumberOfUnits',
+        'full_time_number_of_units_per_period' => 'FullTimeNumberOfUnitsPerPeriod'
     ];
 
     /**
@@ -106,7 +127,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_type_id' => 'setLeaveTypeId''calculation_type' => 'setCalculationType''entitlement_final_pay_payout_type' => 'setEntitlementFinalPayPayoutType''employment_termination_payment_type' => 'setEmploymentTerminationPaymentType''include_superannuation_guarantee_contribution' => 'setIncludeSuperannuationGuaranteeContribution''number_of_units' => 'setNumberOfUnits''annual_number_of_units' => 'setAnnualNumberOfUnits''full_time_number_of_units_per_period' => 'setFullTimeNumberOfUnitsPerPeriod'
+        'leave_type_id' => 'setLeaveTypeId',
+        'calculation_type' => 'setCalculationType',
+        'entitlement_final_pay_payout_type' => 'setEntitlementFinalPayPayoutType',
+        'employment_termination_payment_type' => 'setEmploymentTerminationPaymentType',
+        'include_superannuation_guarantee_contribution' => 'setIncludeSuperannuationGuaranteeContribution',
+        'number_of_units' => 'setNumberOfUnits',
+        'annual_number_of_units' => 'setAnnualNumberOfUnits',
+        'full_time_number_of_units_per_period' => 'setFullTimeNumberOfUnitsPerPeriod'
     ];
 
     /**
@@ -115,7 +143,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_type_id' => 'getLeaveTypeId''calculation_type' => 'getCalculationType''entitlement_final_pay_payout_type' => 'getEntitlementFinalPayPayoutType''employment_termination_payment_type' => 'getEmploymentTerminationPaymentType''include_superannuation_guarantee_contribution' => 'getIncludeSuperannuationGuaranteeContribution''number_of_units' => 'getNumberOfUnits''annual_number_of_units' => 'getAnnualNumberOfUnits''full_time_number_of_units_per_period' => 'getFullTimeNumberOfUnitsPerPeriod'
+        'leave_type_id' => 'getLeaveTypeId',
+        'calculation_type' => 'getCalculationType',
+        'entitlement_final_pay_payout_type' => 'getEntitlementFinalPayPayoutType',
+        'employment_termination_payment_type' => 'getEmploymentTerminationPaymentType',
+        'include_superannuation_guarantee_contribution' => 'getIncludeSuperannuationGuaranteeContribution',
+        'number_of_units' => 'getNumberOfUnits',
+        'annual_number_of_units' => 'getAnnualNumberOfUnits',
+        'full_time_number_of_units_per_period' => 'getFullTimeNumberOfUnitsPerPeriod'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/LeaveLineCalculationType.php b/lib/Models/PayrollAu/LeaveLineCalculationType.php
index 47c34853..3129614f 100644
--- a/lib/Models/PayrollAu/LeaveLineCalculationType.php
+++ b/lib/Models/PayrollAu/LeaveLineCalculationType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/LeaveLines.php b/lib/Models/PayrollAu/LeaveLines.php
index d2a30e09..b15beb70 100644
--- a/lib/Models/PayrollAu/LeaveLines.php
+++ b/lib/Models/PayrollAu/LeaveLines.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/LeavePeriod.php b/lib/Models/PayrollAu/LeavePeriod.php
index c35d241d..2372e751 100644
--- a/lib/Models/PayrollAu/LeavePeriod.php
+++ b/lib/Models/PayrollAu/LeavePeriod.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class LeavePeriod implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'number_of_units' => 'double''pay_period_end_date' => 'string''pay_period_start_date' => 'string''leave_period_status' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeavePeriodStatus'
+        'number_of_units' => 'double',
+        'pay_period_end_date' => 'string',
+        'pay_period_start_date' => 'string',
+        'leave_period_status' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeavePeriodStatus'
     ];
 
     /**
@@ -67,7 +70,10 @@ class LeavePeriod implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'number_of_units' => 'double''pay_period_end_date' => null'pay_period_start_date' => null'leave_period_status' => null
+        'number_of_units' => 'double',
+        'pay_period_end_date' => null,
+        'pay_period_start_date' => null,
+        'leave_period_status' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'number_of_units' => 'NumberOfUnits''pay_period_end_date' => 'PayPeriodEndDate''pay_period_start_date' => 'PayPeriodStartDate''leave_period_status' => 'LeavePeriodStatus'
+        'number_of_units' => 'NumberOfUnits',
+        'pay_period_end_date' => 'PayPeriodEndDate',
+        'pay_period_start_date' => 'PayPeriodStartDate',
+        'leave_period_status' => 'LeavePeriodStatus'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'number_of_units' => 'setNumberOfUnits''pay_period_end_date' => 'setPayPeriodEndDate''pay_period_start_date' => 'setPayPeriodStartDate''leave_period_status' => 'setLeavePeriodStatus'
+        'number_of_units' => 'setNumberOfUnits',
+        'pay_period_end_date' => 'setPayPeriodEndDate',
+        'pay_period_start_date' => 'setPayPeriodStartDate',
+        'leave_period_status' => 'setLeavePeriodStatus'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'number_of_units' => 'getNumberOfUnits''pay_period_end_date' => 'getPayPeriodEndDate''pay_period_start_date' => 'getPayPeriodStartDate''leave_period_status' => 'getLeavePeriodStatus'
+        'number_of_units' => 'getNumberOfUnits',
+        'pay_period_end_date' => 'getPayPeriodEndDate',
+        'pay_period_start_date' => 'getPayPeriodStartDate',
+        'leave_period_status' => 'getLeavePeriodStatus'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/LeavePeriodStatus.php b/lib/Models/PayrollAu/LeavePeriodStatus.php
index 7bb85d07..04c81304 100644
--- a/lib/Models/PayrollAu/LeavePeriodStatus.php
+++ b/lib/Models/PayrollAu/LeavePeriodStatus.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/LeaveType.php b/lib/Models/PayrollAu/LeaveType.php
index 734dd33b..a8b6f0dd 100644
--- a/lib/Models/PayrollAu/LeaveType.php
+++ b/lib/Models/PayrollAu/LeaveType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,15 @@ class LeaveType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string''type_of_units' => 'string''leave_type_id' => 'string''normal_entitlement' => 'double''leave_loading_rate' => 'double''updated_date_utc' => 'string''is_paid_leave' => 'bool''show_on_payslip' => 'bool''current_record' => 'bool'
+        'name' => 'string',
+        'type_of_units' => 'string',
+        'leave_type_id' => 'string',
+        'normal_entitlement' => 'double',
+        'leave_loading_rate' => 'double',
+        'updated_date_utc' => 'string',
+        'is_paid_leave' => 'bool',
+        'show_on_payslip' => 'bool',
+        'current_record' => 'bool'
     ];
 
     /**
@@ -67,7 +75,15 @@ class LeaveType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null'type_of_units' => null'leave_type_id' => 'uuid''normal_entitlement' => 'double''leave_loading_rate' => 'double''updated_date_utc' => null'is_paid_leave' => null'show_on_payslip' => null'current_record' => null
+        'name' => null,
+        'type_of_units' => null,
+        'leave_type_id' => 'uuid',
+        'normal_entitlement' => 'double',
+        'leave_loading_rate' => 'double',
+        'updated_date_utc' => null,
+        'is_paid_leave' => null,
+        'show_on_payslip' => null,
+        'current_record' => null
     ];
 
     /**
@@ -97,7 +113,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'Name''type_of_units' => 'TypeOfUnits''leave_type_id' => 'LeaveTypeID''normal_entitlement' => 'NormalEntitlement''leave_loading_rate' => 'LeaveLoadingRate''updated_date_utc' => 'UpdatedDateUTC''is_paid_leave' => 'IsPaidLeave''show_on_payslip' => 'ShowOnPayslip''current_record' => 'CurrentRecord'
+        'name' => 'Name',
+        'type_of_units' => 'TypeOfUnits',
+        'leave_type_id' => 'LeaveTypeID',
+        'normal_entitlement' => 'NormalEntitlement',
+        'leave_loading_rate' => 'LeaveLoadingRate',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'is_paid_leave' => 'IsPaidLeave',
+        'show_on_payslip' => 'ShowOnPayslip',
+        'current_record' => 'CurrentRecord'
     ];
 
     /**
@@ -106,7 +130,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName''type_of_units' => 'setTypeOfUnits''leave_type_id' => 'setLeaveTypeId''normal_entitlement' => 'setNormalEntitlement''leave_loading_rate' => 'setLeaveLoadingRate''updated_date_utc' => 'setUpdatedDateUtc''is_paid_leave' => 'setIsPaidLeave''show_on_payslip' => 'setShowOnPayslip''current_record' => 'setCurrentRecord'
+        'name' => 'setName',
+        'type_of_units' => 'setTypeOfUnits',
+        'leave_type_id' => 'setLeaveTypeId',
+        'normal_entitlement' => 'setNormalEntitlement',
+        'leave_loading_rate' => 'setLeaveLoadingRate',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'is_paid_leave' => 'setIsPaidLeave',
+        'show_on_payslip' => 'setShowOnPayslip',
+        'current_record' => 'setCurrentRecord'
     ];
 
     /**
@@ -115,7 +147,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName''type_of_units' => 'getTypeOfUnits''leave_type_id' => 'getLeaveTypeId''normal_entitlement' => 'getNormalEntitlement''leave_loading_rate' => 'getLeaveLoadingRate''updated_date_utc' => 'getUpdatedDateUtc''is_paid_leave' => 'getIsPaidLeave''show_on_payslip' => 'getShowOnPayslip''current_record' => 'getCurrentRecord'
+        'name' => 'getName',
+        'type_of_units' => 'getTypeOfUnits',
+        'leave_type_id' => 'getLeaveTypeId',
+        'normal_entitlement' => 'getNormalEntitlement',
+        'leave_loading_rate' => 'getLeaveLoadingRate',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'is_paid_leave' => 'getIsPaidLeave',
+        'show_on_payslip' => 'getShowOnPayslip',
+        'current_record' => 'getCurrentRecord'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/LeaveTypeContributionType.php b/lib/Models/PayrollAu/LeaveTypeContributionType.php
index 5f38bba9..093b4fe4 100644
--- a/lib/Models/PayrollAu/LeaveTypeContributionType.php
+++ b/lib/Models/PayrollAu/LeaveTypeContributionType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/ManualTaxType.php b/lib/Models/PayrollAu/ManualTaxType.php
index dd6ab82b..14d3fb1f 100644
--- a/lib/Models/PayrollAu/ManualTaxType.php
+++ b/lib/Models/PayrollAu/ManualTaxType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/ModelInterface.php b/lib/Models/PayrollAu/ModelInterface.php
index 099d2279..ab8eb67c 100644
--- a/lib/Models/PayrollAu/ModelInterface.php
+++ b/lib/Models/PayrollAu/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/OpeningBalances.php b/lib/Models/PayrollAu/OpeningBalances.php
index 7d2f3355..f3ffc48b 100644
--- a/lib/Models/PayrollAu/OpeningBalances.php
+++ b/lib/Models/PayrollAu/OpeningBalances.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,13 @@ class OpeningBalances implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'opening_balance_date' => 'string''tax' => 'string''earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsLine[]''deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\DeductionLine[]''super_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperLine[]''reimbursement_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\ReimbursementLine[]''leave_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveLine[]'
+        'opening_balance_date' => 'string',
+        'tax' => 'string',
+        'earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsLine[]',
+        'deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\DeductionLine[]',
+        'super_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperLine[]',
+        'reimbursement_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\ReimbursementLine[]',
+        'leave_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveLine[]'
     ];
 
     /**
@@ -67,7 +73,13 @@ class OpeningBalances implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'opening_balance_date' => null'tax' => null'earnings_lines' => null'deduction_lines' => null'super_lines' => null'reimbursement_lines' => null'leave_lines' => null
+        'opening_balance_date' => null,
+        'tax' => null,
+        'earnings_lines' => null,
+        'deduction_lines' => null,
+        'super_lines' => null,
+        'reimbursement_lines' => null,
+        'leave_lines' => null
     ];
 
     /**
@@ -97,7 +109,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'opening_balance_date' => 'OpeningBalanceDate''tax' => 'Tax''earnings_lines' => 'EarningsLines''deduction_lines' => 'DeductionLines''super_lines' => 'SuperLines''reimbursement_lines' => 'ReimbursementLines''leave_lines' => 'LeaveLines'
+        'opening_balance_date' => 'OpeningBalanceDate',
+        'tax' => 'Tax',
+        'earnings_lines' => 'EarningsLines',
+        'deduction_lines' => 'DeductionLines',
+        'super_lines' => 'SuperLines',
+        'reimbursement_lines' => 'ReimbursementLines',
+        'leave_lines' => 'LeaveLines'
     ];
 
     /**
@@ -106,7 +124,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'opening_balance_date' => 'setOpeningBalanceDate''tax' => 'setTax''earnings_lines' => 'setEarningsLines''deduction_lines' => 'setDeductionLines''super_lines' => 'setSuperLines''reimbursement_lines' => 'setReimbursementLines''leave_lines' => 'setLeaveLines'
+        'opening_balance_date' => 'setOpeningBalanceDate',
+        'tax' => 'setTax',
+        'earnings_lines' => 'setEarningsLines',
+        'deduction_lines' => 'setDeductionLines',
+        'super_lines' => 'setSuperLines',
+        'reimbursement_lines' => 'setReimbursementLines',
+        'leave_lines' => 'setLeaveLines'
     ];
 
     /**
@@ -115,7 +139,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'opening_balance_date' => 'getOpeningBalanceDate''tax' => 'getTax''earnings_lines' => 'getEarningsLines''deduction_lines' => 'getDeductionLines''super_lines' => 'getSuperLines''reimbursement_lines' => 'getReimbursementLines''leave_lines' => 'getLeaveLines'
+        'opening_balance_date' => 'getOpeningBalanceDate',
+        'tax' => 'getTax',
+        'earnings_lines' => 'getEarningsLines',
+        'deduction_lines' => 'getDeductionLines',
+        'super_lines' => 'getSuperLines',
+        'reimbursement_lines' => 'getReimbursementLines',
+        'leave_lines' => 'getLeaveLines'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/PayItem.php b/lib/Models/PayrollAu/PayItem.php
index 5a9c4a3d..72b27689 100644
--- a/lib/Models/PayrollAu/PayItem.php
+++ b/lib/Models/PayrollAu/PayItem.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class PayItem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_rates' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsRate[]''deduction_types' => '\XeroAPI\XeroPHP\Models\PayrollAu\DeductionType[]''leave_types' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveType[]''reimbursement_types' => '\XeroAPI\XeroPHP\Models\PayrollAu\ReimbursementType[]'
+        'earnings_rates' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsRate[]',
+        'deduction_types' => '\XeroAPI\XeroPHP\Models\PayrollAu\DeductionType[]',
+        'leave_types' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveType[]',
+        'reimbursement_types' => '\XeroAPI\XeroPHP\Models\PayrollAu\ReimbursementType[]'
     ];
 
     /**
@@ -67,7 +70,10 @@ class PayItem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_rates' => null'deduction_types' => null'leave_types' => null'reimbursement_types' => null
+        'earnings_rates' => null,
+        'deduction_types' => null,
+        'leave_types' => null,
+        'reimbursement_types' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_rates' => 'EarningsRates''deduction_types' => 'DeductionTypes''leave_types' => 'LeaveTypes''reimbursement_types' => 'ReimbursementTypes'
+        'earnings_rates' => 'EarningsRates',
+        'deduction_types' => 'DeductionTypes',
+        'leave_types' => 'LeaveTypes',
+        'reimbursement_types' => 'ReimbursementTypes'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_rates' => 'setEarningsRates''deduction_types' => 'setDeductionTypes''leave_types' => 'setLeaveTypes''reimbursement_types' => 'setReimbursementTypes'
+        'earnings_rates' => 'setEarningsRates',
+        'deduction_types' => 'setDeductionTypes',
+        'leave_types' => 'setLeaveTypes',
+        'reimbursement_types' => 'setReimbursementTypes'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_rates' => 'getEarningsRates''deduction_types' => 'getDeductionTypes''leave_types' => 'getLeaveTypes''reimbursement_types' => 'getReimbursementTypes'
+        'earnings_rates' => 'getEarningsRates',
+        'deduction_types' => 'getDeductionTypes',
+        'leave_types' => 'getLeaveTypes',
+        'reimbursement_types' => 'getReimbursementTypes'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/PayItems.php b/lib/Models/PayrollAu/PayItems.php
index ee628223..b65cab26 100644
--- a/lib/Models/PayrollAu/PayItems.php
+++ b/lib/Models/PayrollAu/PayItems.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/PayRun.php b/lib/Models/PayrollAu/PayRun.php
index bb3497e1..7f89f9e9 100644
--- a/lib/Models/PayrollAu/PayRun.php
+++ b/lib/Models/PayrollAu/PayRun.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,22 @@ class PayRun implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'payroll_calendar_id' => 'string''pay_run_id' => 'string''pay_run_period_start_date' => 'string''pay_run_period_end_date' => 'string''pay_run_status' => '\XeroAPI\XeroPHP\Models\PayrollAu\PayRunStatus''payment_date' => 'string''payslip_message' => 'string''updated_date_utc' => 'string''payslips' => '\XeroAPI\XeroPHP\Models\PayrollAu\PayslipSummary[]''wages' => 'double''deductions' => 'double''tax' => 'double''super' => 'double''reimbursement' => 'double''net_pay' => 'double''validation_errors' => '\XeroAPI\XeroPHP\Models\PayrollAu\ValidationError[]'
+        'payroll_calendar_id' => 'string',
+        'pay_run_id' => 'string',
+        'pay_run_period_start_date' => 'string',
+        'pay_run_period_end_date' => 'string',
+        'pay_run_status' => '\XeroAPI\XeroPHP\Models\PayrollAu\PayRunStatus',
+        'payment_date' => 'string',
+        'payslip_message' => 'string',
+        'updated_date_utc' => 'string',
+        'payslips' => '\XeroAPI\XeroPHP\Models\PayrollAu\PayslipSummary[]',
+        'wages' => 'double',
+        'deductions' => 'double',
+        'tax' => 'double',
+        'super' => 'double',
+        'reimbursement' => 'double',
+        'net_pay' => 'double',
+        'validation_errors' => '\XeroAPI\XeroPHP\Models\PayrollAu\ValidationError[]'
     ];
 
     /**
@@ -67,7 +82,22 @@ class PayRun implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'payroll_calendar_id' => 'uuid''pay_run_id' => 'uuid''pay_run_period_start_date' => null'pay_run_period_end_date' => null'pay_run_status' => null'payment_date' => null'payslip_message' => null'updated_date_utc' => null'payslips' => null'wages' => 'double''deductions' => 'double''tax' => 'double''super' => 'double''reimbursement' => 'double''net_pay' => 'double''validation_errors' => null
+        'payroll_calendar_id' => 'uuid',
+        'pay_run_id' => 'uuid',
+        'pay_run_period_start_date' => null,
+        'pay_run_period_end_date' => null,
+        'pay_run_status' => null,
+        'payment_date' => null,
+        'payslip_message' => null,
+        'updated_date_utc' => null,
+        'payslips' => null,
+        'wages' => 'double',
+        'deductions' => 'double',
+        'tax' => 'double',
+        'super' => 'double',
+        'reimbursement' => 'double',
+        'net_pay' => 'double',
+        'validation_errors' => null
     ];
 
     /**
@@ -97,7 +127,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'payroll_calendar_id' => 'PayrollCalendarID''pay_run_id' => 'PayRunID''pay_run_period_start_date' => 'PayRunPeriodStartDate''pay_run_period_end_date' => 'PayRunPeriodEndDate''pay_run_status' => 'PayRunStatus''payment_date' => 'PaymentDate''payslip_message' => 'PayslipMessage''updated_date_utc' => 'UpdatedDateUTC''payslips' => 'Payslips''wages' => 'Wages''deductions' => 'Deductions''tax' => 'Tax''super' => 'Super''reimbursement' => 'Reimbursement''net_pay' => 'NetPay''validation_errors' => 'ValidationErrors'
+        'payroll_calendar_id' => 'PayrollCalendarID',
+        'pay_run_id' => 'PayRunID',
+        'pay_run_period_start_date' => 'PayRunPeriodStartDate',
+        'pay_run_period_end_date' => 'PayRunPeriodEndDate',
+        'pay_run_status' => 'PayRunStatus',
+        'payment_date' => 'PaymentDate',
+        'payslip_message' => 'PayslipMessage',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'payslips' => 'Payslips',
+        'wages' => 'Wages',
+        'deductions' => 'Deductions',
+        'tax' => 'Tax',
+        'super' => 'Super',
+        'reimbursement' => 'Reimbursement',
+        'net_pay' => 'NetPay',
+        'validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -106,7 +151,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'payroll_calendar_id' => 'setPayrollCalendarId''pay_run_id' => 'setPayRunId''pay_run_period_start_date' => 'setPayRunPeriodStartDate''pay_run_period_end_date' => 'setPayRunPeriodEndDate''pay_run_status' => 'setPayRunStatus''payment_date' => 'setPaymentDate''payslip_message' => 'setPayslipMessage''updated_date_utc' => 'setUpdatedDateUtc''payslips' => 'setPayslips''wages' => 'setWages''deductions' => 'setDeductions''tax' => 'setTax''super' => 'setSuper''reimbursement' => 'setReimbursement''net_pay' => 'setNetPay''validation_errors' => 'setValidationErrors'
+        'payroll_calendar_id' => 'setPayrollCalendarId',
+        'pay_run_id' => 'setPayRunId',
+        'pay_run_period_start_date' => 'setPayRunPeriodStartDate',
+        'pay_run_period_end_date' => 'setPayRunPeriodEndDate',
+        'pay_run_status' => 'setPayRunStatus',
+        'payment_date' => 'setPaymentDate',
+        'payslip_message' => 'setPayslipMessage',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'payslips' => 'setPayslips',
+        'wages' => 'setWages',
+        'deductions' => 'setDeductions',
+        'tax' => 'setTax',
+        'super' => 'setSuper',
+        'reimbursement' => 'setReimbursement',
+        'net_pay' => 'setNetPay',
+        'validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -115,7 +175,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'payroll_calendar_id' => 'getPayrollCalendarId''pay_run_id' => 'getPayRunId''pay_run_period_start_date' => 'getPayRunPeriodStartDate''pay_run_period_end_date' => 'getPayRunPeriodEndDate''pay_run_status' => 'getPayRunStatus''payment_date' => 'getPaymentDate''payslip_message' => 'getPayslipMessage''updated_date_utc' => 'getUpdatedDateUtc''payslips' => 'getPayslips''wages' => 'getWages''deductions' => 'getDeductions''tax' => 'getTax''super' => 'getSuper''reimbursement' => 'getReimbursement''net_pay' => 'getNetPay''validation_errors' => 'getValidationErrors'
+        'payroll_calendar_id' => 'getPayrollCalendarId',
+        'pay_run_id' => 'getPayRunId',
+        'pay_run_period_start_date' => 'getPayRunPeriodStartDate',
+        'pay_run_period_end_date' => 'getPayRunPeriodEndDate',
+        'pay_run_status' => 'getPayRunStatus',
+        'payment_date' => 'getPaymentDate',
+        'payslip_message' => 'getPayslipMessage',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'payslips' => 'getPayslips',
+        'wages' => 'getWages',
+        'deductions' => 'getDeductions',
+        'tax' => 'getTax',
+        'super' => 'getSuper',
+        'reimbursement' => 'getReimbursement',
+        'net_pay' => 'getNetPay',
+        'validation_errors' => 'getValidationErrors'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/PayRunStatus.php b/lib/Models/PayrollAu/PayRunStatus.php
index 40ec0af2..39200408 100644
--- a/lib/Models/PayrollAu/PayRunStatus.php
+++ b/lib/Models/PayrollAu/PayRunStatus.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/PayRuns.php b/lib/Models/PayrollAu/PayRuns.php
index ff5035e4..4211d4ec 100644
--- a/lib/Models/PayrollAu/PayRuns.php
+++ b/lib/Models/PayrollAu/PayRuns.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/PayTemplate.php b/lib/Models/PayrollAu/PayTemplate.php
index 8046733c..50473ee5 100644
--- a/lib/Models/PayrollAu/PayTemplate.php
+++ b/lib/Models/PayrollAu/PayTemplate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class PayTemplate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsLine[]''deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\DeductionLine[]''super_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperLine[]''reimbursement_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\ReimbursementLine[]''leave_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveLine[]'
+        'earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsLine[]',
+        'deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\DeductionLine[]',
+        'super_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperLine[]',
+        'reimbursement_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\ReimbursementLine[]',
+        'leave_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveLine[]'
     ];
 
     /**
@@ -67,7 +71,11 @@ class PayTemplate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_lines' => null'deduction_lines' => null'super_lines' => null'reimbursement_lines' => null'leave_lines' => null
+        'earnings_lines' => null,
+        'deduction_lines' => null,
+        'super_lines' => null,
+        'reimbursement_lines' => null,
+        'leave_lines' => null
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_lines' => 'EarningsLines''deduction_lines' => 'DeductionLines''super_lines' => 'SuperLines''reimbursement_lines' => 'ReimbursementLines''leave_lines' => 'LeaveLines'
+        'earnings_lines' => 'EarningsLines',
+        'deduction_lines' => 'DeductionLines',
+        'super_lines' => 'SuperLines',
+        'reimbursement_lines' => 'ReimbursementLines',
+        'leave_lines' => 'LeaveLines'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_lines' => 'setEarningsLines''deduction_lines' => 'setDeductionLines''super_lines' => 'setSuperLines''reimbursement_lines' => 'setReimbursementLines''leave_lines' => 'setLeaveLines'
+        'earnings_lines' => 'setEarningsLines',
+        'deduction_lines' => 'setDeductionLines',
+        'super_lines' => 'setSuperLines',
+        'reimbursement_lines' => 'setReimbursementLines',
+        'leave_lines' => 'setLeaveLines'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_lines' => 'getEarningsLines''deduction_lines' => 'getDeductionLines''super_lines' => 'getSuperLines''reimbursement_lines' => 'getReimbursementLines''leave_lines' => 'getLeaveLines'
+        'earnings_lines' => 'getEarningsLines',
+        'deduction_lines' => 'getDeductionLines',
+        'super_lines' => 'getSuperLines',
+        'reimbursement_lines' => 'getReimbursementLines',
+        'leave_lines' => 'getLeaveLines'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/PaymentFrequencyType.php b/lib/Models/PayrollAu/PaymentFrequencyType.php
index 4601e36b..7718aca8 100644
--- a/lib/Models/PayrollAu/PaymentFrequencyType.php
+++ b/lib/Models/PayrollAu/PaymentFrequencyType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/PayrollCalendar.php b/lib/Models/PayrollAu/PayrollCalendar.php
index c7dfdff1..2de418d3 100644
--- a/lib/Models/PayrollAu/PayrollCalendar.php
+++ b/lib/Models/PayrollAu/PayrollCalendar.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,14 @@ class PayrollCalendar implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string''calendar_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\CalendarType''start_date' => 'string''payment_date' => 'string''payroll_calendar_id' => 'string''updated_date_utc' => 'string''reference_date' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\PayrollAu\ValidationError[]'
+        'name' => 'string',
+        'calendar_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\CalendarType',
+        'start_date' => 'string',
+        'payment_date' => 'string',
+        'payroll_calendar_id' => 'string',
+        'updated_date_utc' => 'string',
+        'reference_date' => 'string',
+        'validation_errors' => '\XeroAPI\XeroPHP\Models\PayrollAu\ValidationError[]'
     ];
 
     /**
@@ -67,7 +74,14 @@ class PayrollCalendar implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null'calendar_type' => null'start_date' => null'payment_date' => null'payroll_calendar_id' => 'uuid''updated_date_utc' => null'reference_date' => null'validation_errors' => null
+        'name' => null,
+        'calendar_type' => null,
+        'start_date' => null,
+        'payment_date' => null,
+        'payroll_calendar_id' => 'uuid',
+        'updated_date_utc' => null,
+        'reference_date' => null,
+        'validation_errors' => null
     ];
 
     /**
@@ -97,7 +111,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'Name''calendar_type' => 'CalendarType''start_date' => 'StartDate''payment_date' => 'PaymentDate''payroll_calendar_id' => 'PayrollCalendarID''updated_date_utc' => 'UpdatedDateUTC''reference_date' => 'ReferenceDate''validation_errors' => 'ValidationErrors'
+        'name' => 'Name',
+        'calendar_type' => 'CalendarType',
+        'start_date' => 'StartDate',
+        'payment_date' => 'PaymentDate',
+        'payroll_calendar_id' => 'PayrollCalendarID',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'reference_date' => 'ReferenceDate',
+        'validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -106,7 +127,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName''calendar_type' => 'setCalendarType''start_date' => 'setStartDate''payment_date' => 'setPaymentDate''payroll_calendar_id' => 'setPayrollCalendarId''updated_date_utc' => 'setUpdatedDateUtc''reference_date' => 'setReferenceDate''validation_errors' => 'setValidationErrors'
+        'name' => 'setName',
+        'calendar_type' => 'setCalendarType',
+        'start_date' => 'setStartDate',
+        'payment_date' => 'setPaymentDate',
+        'payroll_calendar_id' => 'setPayrollCalendarId',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'reference_date' => 'setReferenceDate',
+        'validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -115,7 +143,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName''calendar_type' => 'getCalendarType''start_date' => 'getStartDate''payment_date' => 'getPaymentDate''payroll_calendar_id' => 'getPayrollCalendarId''updated_date_utc' => 'getUpdatedDateUtc''reference_date' => 'getReferenceDate''validation_errors' => 'getValidationErrors'
+        'name' => 'getName',
+        'calendar_type' => 'getCalendarType',
+        'start_date' => 'getStartDate',
+        'payment_date' => 'getPaymentDate',
+        'payroll_calendar_id' => 'getPayrollCalendarId',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'reference_date' => 'getReferenceDate',
+        'validation_errors' => 'getValidationErrors'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/PayrollCalendars.php b/lib/Models/PayrollAu/PayrollCalendars.php
index a867aca5..b52cb1b3 100644
--- a/lib/Models/PayrollAu/PayrollCalendars.php
+++ b/lib/Models/PayrollAu/PayrollCalendars.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/Payslip.php b/lib/Models/PayrollAu/Payslip.php
index 9aeda263..c0321d02 100644
--- a/lib/Models/PayrollAu/Payslip.php
+++ b/lib/Models/PayrollAu/Payslip.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,25 @@ class Payslip implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'employee_id' => 'string''payslip_id' => 'string''first_name' => 'string''last_name' => 'string''wages' => 'double''deductions' => 'double''tax' => 'double''super' => 'double''reimbursements' => 'double''net_pay' => 'double''earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsLine[]''leave_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveEarningsLine[]''timesheet_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsLine[]''deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\DeductionLine[]''leave_accrual_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveAccrualLine[]''reimbursement_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\ReimbursementLine[]''superannuation_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperannuationLine[]''tax_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\TaxLine[]''updated_date_utc' => 'string'
+        'employee_id' => 'string',
+        'payslip_id' => 'string',
+        'first_name' => 'string',
+        'last_name' => 'string',
+        'wages' => 'double',
+        'deductions' => 'double',
+        'tax' => 'double',
+        'super' => 'double',
+        'reimbursements' => 'double',
+        'net_pay' => 'double',
+        'earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsLine[]',
+        'leave_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveEarningsLine[]',
+        'timesheet_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsLine[]',
+        'deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\DeductionLine[]',
+        'leave_accrual_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveAccrualLine[]',
+        'reimbursement_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\ReimbursementLine[]',
+        'superannuation_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperannuationLine[]',
+        'tax_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\TaxLine[]',
+        'updated_date_utc' => 'string'
     ];
 
     /**
@@ -67,7 +85,25 @@ class Payslip implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'employee_id' => 'uuid''payslip_id' => 'uuid''first_name' => null'last_name' => null'wages' => 'double''deductions' => 'double''tax' => 'double''super' => 'double''reimbursements' => 'double''net_pay' => 'double''earnings_lines' => null'leave_earnings_lines' => null'timesheet_earnings_lines' => null'deduction_lines' => null'leave_accrual_lines' => null'reimbursement_lines' => null'superannuation_lines' => null'tax_lines' => null'updated_date_utc' => null
+        'employee_id' => 'uuid',
+        'payslip_id' => 'uuid',
+        'first_name' => null,
+        'last_name' => null,
+        'wages' => 'double',
+        'deductions' => 'double',
+        'tax' => 'double',
+        'super' => 'double',
+        'reimbursements' => 'double',
+        'net_pay' => 'double',
+        'earnings_lines' => null,
+        'leave_earnings_lines' => null,
+        'timesheet_earnings_lines' => null,
+        'deduction_lines' => null,
+        'leave_accrual_lines' => null,
+        'reimbursement_lines' => null,
+        'superannuation_lines' => null,
+        'tax_lines' => null,
+        'updated_date_utc' => null
     ];
 
     /**
@@ -97,7 +133,25 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'employee_id' => 'EmployeeID''payslip_id' => 'PayslipID''first_name' => 'FirstName''last_name' => 'LastName''wages' => 'Wages''deductions' => 'Deductions''tax' => 'Tax''super' => 'Super''reimbursements' => 'Reimbursements''net_pay' => 'NetPay''earnings_lines' => 'EarningsLines''leave_earnings_lines' => 'LeaveEarningsLines''timesheet_earnings_lines' => 'TimesheetEarningsLines''deduction_lines' => 'DeductionLines''leave_accrual_lines' => 'LeaveAccrualLines''reimbursement_lines' => 'ReimbursementLines''superannuation_lines' => 'SuperannuationLines''tax_lines' => 'TaxLines''updated_date_utc' => 'UpdatedDateUTC'
+        'employee_id' => 'EmployeeID',
+        'payslip_id' => 'PayslipID',
+        'first_name' => 'FirstName',
+        'last_name' => 'LastName',
+        'wages' => 'Wages',
+        'deductions' => 'Deductions',
+        'tax' => 'Tax',
+        'super' => 'Super',
+        'reimbursements' => 'Reimbursements',
+        'net_pay' => 'NetPay',
+        'earnings_lines' => 'EarningsLines',
+        'leave_earnings_lines' => 'LeaveEarningsLines',
+        'timesheet_earnings_lines' => 'TimesheetEarningsLines',
+        'deduction_lines' => 'DeductionLines',
+        'leave_accrual_lines' => 'LeaveAccrualLines',
+        'reimbursement_lines' => 'ReimbursementLines',
+        'superannuation_lines' => 'SuperannuationLines',
+        'tax_lines' => 'TaxLines',
+        'updated_date_utc' => 'UpdatedDateUTC'
     ];
 
     /**
@@ -106,7 +160,25 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'employee_id' => 'setEmployeeId''payslip_id' => 'setPayslipId''first_name' => 'setFirstName''last_name' => 'setLastName''wages' => 'setWages''deductions' => 'setDeductions''tax' => 'setTax''super' => 'setSuper''reimbursements' => 'setReimbursements''net_pay' => 'setNetPay''earnings_lines' => 'setEarningsLines''leave_earnings_lines' => 'setLeaveEarningsLines''timesheet_earnings_lines' => 'setTimesheetEarningsLines''deduction_lines' => 'setDeductionLines''leave_accrual_lines' => 'setLeaveAccrualLines''reimbursement_lines' => 'setReimbursementLines''superannuation_lines' => 'setSuperannuationLines''tax_lines' => 'setTaxLines''updated_date_utc' => 'setUpdatedDateUtc'
+        'employee_id' => 'setEmployeeId',
+        'payslip_id' => 'setPayslipId',
+        'first_name' => 'setFirstName',
+        'last_name' => 'setLastName',
+        'wages' => 'setWages',
+        'deductions' => 'setDeductions',
+        'tax' => 'setTax',
+        'super' => 'setSuper',
+        'reimbursements' => 'setReimbursements',
+        'net_pay' => 'setNetPay',
+        'earnings_lines' => 'setEarningsLines',
+        'leave_earnings_lines' => 'setLeaveEarningsLines',
+        'timesheet_earnings_lines' => 'setTimesheetEarningsLines',
+        'deduction_lines' => 'setDeductionLines',
+        'leave_accrual_lines' => 'setLeaveAccrualLines',
+        'reimbursement_lines' => 'setReimbursementLines',
+        'superannuation_lines' => 'setSuperannuationLines',
+        'tax_lines' => 'setTaxLines',
+        'updated_date_utc' => 'setUpdatedDateUtc'
     ];
 
     /**
@@ -115,7 +187,25 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'employee_id' => 'getEmployeeId''payslip_id' => 'getPayslipId''first_name' => 'getFirstName''last_name' => 'getLastName''wages' => 'getWages''deductions' => 'getDeductions''tax' => 'getTax''super' => 'getSuper''reimbursements' => 'getReimbursements''net_pay' => 'getNetPay''earnings_lines' => 'getEarningsLines''leave_earnings_lines' => 'getLeaveEarningsLines''timesheet_earnings_lines' => 'getTimesheetEarningsLines''deduction_lines' => 'getDeductionLines''leave_accrual_lines' => 'getLeaveAccrualLines''reimbursement_lines' => 'getReimbursementLines''superannuation_lines' => 'getSuperannuationLines''tax_lines' => 'getTaxLines''updated_date_utc' => 'getUpdatedDateUtc'
+        'employee_id' => 'getEmployeeId',
+        'payslip_id' => 'getPayslipId',
+        'first_name' => 'getFirstName',
+        'last_name' => 'getLastName',
+        'wages' => 'getWages',
+        'deductions' => 'getDeductions',
+        'tax' => 'getTax',
+        'super' => 'getSuper',
+        'reimbursements' => 'getReimbursements',
+        'net_pay' => 'getNetPay',
+        'earnings_lines' => 'getEarningsLines',
+        'leave_earnings_lines' => 'getLeaveEarningsLines',
+        'timesheet_earnings_lines' => 'getTimesheetEarningsLines',
+        'deduction_lines' => 'getDeductionLines',
+        'leave_accrual_lines' => 'getLeaveAccrualLines',
+        'reimbursement_lines' => 'getReimbursementLines',
+        'superannuation_lines' => 'getSuperannuationLines',
+        'tax_lines' => 'getTaxLines',
+        'updated_date_utc' => 'getUpdatedDateUtc'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/PayslipLines.php b/lib/Models/PayrollAu/PayslipLines.php
index f774b522..565e4a73 100644
--- a/lib/Models/PayrollAu/PayslipLines.php
+++ b/lib/Models/PayrollAu/PayslipLines.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,14 @@ class PayslipLines implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsLine[]''leave_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveEarningsLine[]''timesheet_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsLine[]''deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\DeductionLine[]''leave_accrual_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveAccrualLine[]''reimbursement_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\ReimbursementLine[]''superannuation_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperannuationLine[]''tax_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\TaxLine[]'
+        'earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsLine[]',
+        'leave_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveEarningsLine[]',
+        'timesheet_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\EarningsLine[]',
+        'deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\DeductionLine[]',
+        'leave_accrual_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\LeaveAccrualLine[]',
+        'reimbursement_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\ReimbursementLine[]',
+        'superannuation_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperannuationLine[]',
+        'tax_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\TaxLine[]'
     ];
 
     /**
@@ -67,7 +74,14 @@ class PayslipLines implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_lines' => null'leave_earnings_lines' => null'timesheet_earnings_lines' => null'deduction_lines' => null'leave_accrual_lines' => null'reimbursement_lines' => null'superannuation_lines' => null'tax_lines' => null
+        'earnings_lines' => null,
+        'leave_earnings_lines' => null,
+        'timesheet_earnings_lines' => null,
+        'deduction_lines' => null,
+        'leave_accrual_lines' => null,
+        'reimbursement_lines' => null,
+        'superannuation_lines' => null,
+        'tax_lines' => null
     ];
 
     /**
@@ -97,7 +111,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_lines' => 'EarningsLines''leave_earnings_lines' => 'LeaveEarningsLines''timesheet_earnings_lines' => 'TimesheetEarningsLines''deduction_lines' => 'DeductionLines''leave_accrual_lines' => 'LeaveAccrualLines''reimbursement_lines' => 'ReimbursementLines''superannuation_lines' => 'SuperannuationLines''tax_lines' => 'TaxLines'
+        'earnings_lines' => 'EarningsLines',
+        'leave_earnings_lines' => 'LeaveEarningsLines',
+        'timesheet_earnings_lines' => 'TimesheetEarningsLines',
+        'deduction_lines' => 'DeductionLines',
+        'leave_accrual_lines' => 'LeaveAccrualLines',
+        'reimbursement_lines' => 'ReimbursementLines',
+        'superannuation_lines' => 'SuperannuationLines',
+        'tax_lines' => 'TaxLines'
     ];
 
     /**
@@ -106,7 +127,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_lines' => 'setEarningsLines''leave_earnings_lines' => 'setLeaveEarningsLines''timesheet_earnings_lines' => 'setTimesheetEarningsLines''deduction_lines' => 'setDeductionLines''leave_accrual_lines' => 'setLeaveAccrualLines''reimbursement_lines' => 'setReimbursementLines''superannuation_lines' => 'setSuperannuationLines''tax_lines' => 'setTaxLines'
+        'earnings_lines' => 'setEarningsLines',
+        'leave_earnings_lines' => 'setLeaveEarningsLines',
+        'timesheet_earnings_lines' => 'setTimesheetEarningsLines',
+        'deduction_lines' => 'setDeductionLines',
+        'leave_accrual_lines' => 'setLeaveAccrualLines',
+        'reimbursement_lines' => 'setReimbursementLines',
+        'superannuation_lines' => 'setSuperannuationLines',
+        'tax_lines' => 'setTaxLines'
     ];
 
     /**
@@ -115,7 +143,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_lines' => 'getEarningsLines''leave_earnings_lines' => 'getLeaveEarningsLines''timesheet_earnings_lines' => 'getTimesheetEarningsLines''deduction_lines' => 'getDeductionLines''leave_accrual_lines' => 'getLeaveAccrualLines''reimbursement_lines' => 'getReimbursementLines''superannuation_lines' => 'getSuperannuationLines''tax_lines' => 'getTaxLines'
+        'earnings_lines' => 'getEarningsLines',
+        'leave_earnings_lines' => 'getLeaveEarningsLines',
+        'timesheet_earnings_lines' => 'getTimesheetEarningsLines',
+        'deduction_lines' => 'getDeductionLines',
+        'leave_accrual_lines' => 'getLeaveAccrualLines',
+        'reimbursement_lines' => 'getReimbursementLines',
+        'superannuation_lines' => 'getSuperannuationLines',
+        'tax_lines' => 'getTaxLines'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/PayslipObject.php b/lib/Models/PayrollAu/PayslipObject.php
index fba95d26..05a74c3f 100644
--- a/lib/Models/PayrollAu/PayslipObject.php
+++ b/lib/Models/PayrollAu/PayslipObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/PayslipSummary.php b/lib/Models/PayrollAu/PayslipSummary.php
index 4666a608..b5047b19 100644
--- a/lib/Models/PayrollAu/PayslipSummary.php
+++ b/lib/Models/PayrollAu/PayslipSummary.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,18 @@ class PayslipSummary implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'employee_id' => 'string''payslip_id' => 'string''first_name' => 'string''last_name' => 'string''employee_group' => 'string''wages' => 'double''deductions' => 'double''tax' => 'double''super' => 'double''reimbursements' => 'double''net_pay' => 'double''updated_date_utc' => 'string'
+        'employee_id' => 'string',
+        'payslip_id' => 'string',
+        'first_name' => 'string',
+        'last_name' => 'string',
+        'employee_group' => 'string',
+        'wages' => 'double',
+        'deductions' => 'double',
+        'tax' => 'double',
+        'super' => 'double',
+        'reimbursements' => 'double',
+        'net_pay' => 'double',
+        'updated_date_utc' => 'string'
     ];
 
     /**
@@ -67,7 +78,18 @@ class PayslipSummary implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'employee_id' => 'uuid''payslip_id' => 'uuid''first_name' => null'last_name' => null'employee_group' => null'wages' => 'double''deductions' => 'double''tax' => 'double''super' => 'double''reimbursements' => 'double''net_pay' => 'double''updated_date_utc' => null
+        'employee_id' => 'uuid',
+        'payslip_id' => 'uuid',
+        'first_name' => null,
+        'last_name' => null,
+        'employee_group' => null,
+        'wages' => 'double',
+        'deductions' => 'double',
+        'tax' => 'double',
+        'super' => 'double',
+        'reimbursements' => 'double',
+        'net_pay' => 'double',
+        'updated_date_utc' => null
     ];
 
     /**
@@ -97,7 +119,18 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'employee_id' => 'EmployeeID''payslip_id' => 'PayslipID''first_name' => 'FirstName''last_name' => 'LastName''employee_group' => 'EmployeeGroup''wages' => 'Wages''deductions' => 'Deductions''tax' => 'Tax''super' => 'Super''reimbursements' => 'Reimbursements''net_pay' => 'NetPay''updated_date_utc' => 'UpdatedDateUTC'
+        'employee_id' => 'EmployeeID',
+        'payslip_id' => 'PayslipID',
+        'first_name' => 'FirstName',
+        'last_name' => 'LastName',
+        'employee_group' => 'EmployeeGroup',
+        'wages' => 'Wages',
+        'deductions' => 'Deductions',
+        'tax' => 'Tax',
+        'super' => 'Super',
+        'reimbursements' => 'Reimbursements',
+        'net_pay' => 'NetPay',
+        'updated_date_utc' => 'UpdatedDateUTC'
     ];
 
     /**
@@ -106,7 +139,18 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'employee_id' => 'setEmployeeId''payslip_id' => 'setPayslipId''first_name' => 'setFirstName''last_name' => 'setLastName''employee_group' => 'setEmployeeGroup''wages' => 'setWages''deductions' => 'setDeductions''tax' => 'setTax''super' => 'setSuper''reimbursements' => 'setReimbursements''net_pay' => 'setNetPay''updated_date_utc' => 'setUpdatedDateUtc'
+        'employee_id' => 'setEmployeeId',
+        'payslip_id' => 'setPayslipId',
+        'first_name' => 'setFirstName',
+        'last_name' => 'setLastName',
+        'employee_group' => 'setEmployeeGroup',
+        'wages' => 'setWages',
+        'deductions' => 'setDeductions',
+        'tax' => 'setTax',
+        'super' => 'setSuper',
+        'reimbursements' => 'setReimbursements',
+        'net_pay' => 'setNetPay',
+        'updated_date_utc' => 'setUpdatedDateUtc'
     ];
 
     /**
@@ -115,7 +159,18 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'employee_id' => 'getEmployeeId''payslip_id' => 'getPayslipId''first_name' => 'getFirstName''last_name' => 'getLastName''employee_group' => 'getEmployeeGroup''wages' => 'getWages''deductions' => 'getDeductions''tax' => 'getTax''super' => 'getSuper''reimbursements' => 'getReimbursements''net_pay' => 'getNetPay''updated_date_utc' => 'getUpdatedDateUtc'
+        'employee_id' => 'getEmployeeId',
+        'payslip_id' => 'getPayslipId',
+        'first_name' => 'getFirstName',
+        'last_name' => 'getLastName',
+        'employee_group' => 'getEmployeeGroup',
+        'wages' => 'getWages',
+        'deductions' => 'getDeductions',
+        'tax' => 'getTax',
+        'super' => 'getSuper',
+        'reimbursements' => 'getReimbursements',
+        'net_pay' => 'getNetPay',
+        'updated_date_utc' => 'getUpdatedDateUtc'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/Payslips.php b/lib/Models/PayrollAu/Payslips.php
index b4bdce59..4a49e64f 100644
--- a/lib/Models/PayrollAu/Payslips.php
+++ b/lib/Models/PayrollAu/Payslips.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/RateType.php b/lib/Models/PayrollAu/RateType.php
index 520cf35f..de43a293 100644
--- a/lib/Models/PayrollAu/RateType.php
+++ b/lib/Models/PayrollAu/RateType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/ReimbursementLine.php b/lib/Models/PayrollAu/ReimbursementLine.php
index 4add8d3a..760523c0 100644
--- a/lib/Models/PayrollAu/ReimbursementLine.php
+++ b/lib/Models/PayrollAu/ReimbursementLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class ReimbursementLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'reimbursement_type_id' => 'string''amount' => 'double''description' => 'string''expense_account' => 'string'
+        'reimbursement_type_id' => 'string',
+        'amount' => 'double',
+        'description' => 'string',
+        'expense_account' => 'string'
     ];
 
     /**
@@ -67,7 +70,10 @@ class ReimbursementLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'reimbursement_type_id' => 'uuid''amount' => 'double''description' => null'expense_account' => null
+        'reimbursement_type_id' => 'uuid',
+        'amount' => 'double',
+        'description' => null,
+        'expense_account' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'reimbursement_type_id' => 'ReimbursementTypeID''amount' => 'Amount''description' => 'Description''expense_account' => 'ExpenseAccount'
+        'reimbursement_type_id' => 'ReimbursementTypeID',
+        'amount' => 'Amount',
+        'description' => 'Description',
+        'expense_account' => 'ExpenseAccount'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'reimbursement_type_id' => 'setReimbursementTypeId''amount' => 'setAmount''description' => 'setDescription''expense_account' => 'setExpenseAccount'
+        'reimbursement_type_id' => 'setReimbursementTypeId',
+        'amount' => 'setAmount',
+        'description' => 'setDescription',
+        'expense_account' => 'setExpenseAccount'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'reimbursement_type_id' => 'getReimbursementTypeId''amount' => 'getAmount''description' => 'getDescription''expense_account' => 'getExpenseAccount'
+        'reimbursement_type_id' => 'getReimbursementTypeId',
+        'amount' => 'getAmount',
+        'description' => 'getDescription',
+        'expense_account' => 'getExpenseAccount'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/ReimbursementLines.php b/lib/Models/PayrollAu/ReimbursementLines.php
index 6e6b3d99..a8eb3267 100644
--- a/lib/Models/PayrollAu/ReimbursementLines.php
+++ b/lib/Models/PayrollAu/ReimbursementLines.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/ReimbursementType.php b/lib/Models/PayrollAu/ReimbursementType.php
index 5efc4411..71cd039b 100644
--- a/lib/Models/PayrollAu/ReimbursementType.php
+++ b/lib/Models/PayrollAu/ReimbursementType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class ReimbursementType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string''account_code' => 'string''reimbursement_type_id' => 'string''updated_date_utc' => 'string''current_record' => 'bool'
+        'name' => 'string',
+        'account_code' => 'string',
+        'reimbursement_type_id' => 'string',
+        'updated_date_utc' => 'string',
+        'current_record' => 'bool'
     ];
 
     /**
@@ -67,7 +71,11 @@ class ReimbursementType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null'account_code' => null'reimbursement_type_id' => 'uuid''updated_date_utc' => null'current_record' => null
+        'name' => null,
+        'account_code' => null,
+        'reimbursement_type_id' => 'uuid',
+        'updated_date_utc' => null,
+        'current_record' => null
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'Name''account_code' => 'AccountCode''reimbursement_type_id' => 'ReimbursementTypeID''updated_date_utc' => 'UpdatedDateUTC''current_record' => 'CurrentRecord'
+        'name' => 'Name',
+        'account_code' => 'AccountCode',
+        'reimbursement_type_id' => 'ReimbursementTypeID',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'current_record' => 'CurrentRecord'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName''account_code' => 'setAccountCode''reimbursement_type_id' => 'setReimbursementTypeId''updated_date_utc' => 'setUpdatedDateUtc''current_record' => 'setCurrentRecord'
+        'name' => 'setName',
+        'account_code' => 'setAccountCode',
+        'reimbursement_type_id' => 'setReimbursementTypeId',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'current_record' => 'setCurrentRecord'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName''account_code' => 'getAccountCode''reimbursement_type_id' => 'getReimbursementTypeId''updated_date_utc' => 'getUpdatedDateUtc''current_record' => 'getCurrentRecord'
+        'name' => 'getName',
+        'account_code' => 'getAccountCode',
+        'reimbursement_type_id' => 'getReimbursementTypeId',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'current_record' => 'getCurrentRecord'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/ResidencyStatus.php b/lib/Models/PayrollAu/ResidencyStatus.php
index 12280c2f..56f7ab6d 100644
--- a/lib/Models/PayrollAu/ResidencyStatus.php
+++ b/lib/Models/PayrollAu/ResidencyStatus.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/Settings.php b/lib/Models/PayrollAu/Settings.php
index 793d2524..17e47f12 100644
--- a/lib/Models/PayrollAu/Settings.php
+++ b/lib/Models/PayrollAu/Settings.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class Settings implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'accounts' => '\XeroAPI\XeroPHP\Models\PayrollAu\Account[]''tracking_categories' => '\XeroAPI\XeroPHP\Models\PayrollAu\SettingsTrackingCategories''days_in_payroll_year' => 'int'
+        'accounts' => '\XeroAPI\XeroPHP\Models\PayrollAu\Account[]',
+        'tracking_categories' => '\XeroAPI\XeroPHP\Models\PayrollAu\SettingsTrackingCategories',
+        'days_in_payroll_year' => 'int'
     ];
 
     /**
@@ -67,7 +69,9 @@ class Settings implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'accounts' => null'tracking_categories' => null'days_in_payroll_year' => 'int32'
+        'accounts' => null,
+        'tracking_categories' => null,
+        'days_in_payroll_year' => 'int32'
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'accounts' => 'Accounts''tracking_categories' => 'TrackingCategories''days_in_payroll_year' => 'DaysInPayrollYear'
+        'accounts' => 'Accounts',
+        'tracking_categories' => 'TrackingCategories',
+        'days_in_payroll_year' => 'DaysInPayrollYear'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'accounts' => 'setAccounts''tracking_categories' => 'setTrackingCategories''days_in_payroll_year' => 'setDaysInPayrollYear'
+        'accounts' => 'setAccounts',
+        'tracking_categories' => 'setTrackingCategories',
+        'days_in_payroll_year' => 'setDaysInPayrollYear'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'accounts' => 'getAccounts''tracking_categories' => 'getTrackingCategories''days_in_payroll_year' => 'getDaysInPayrollYear'
+        'accounts' => 'getAccounts',
+        'tracking_categories' => 'getTrackingCategories',
+        'days_in_payroll_year' => 'getDaysInPayrollYear'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/SettingsObject.php b/lib/Models/PayrollAu/SettingsObject.php
index 841b87c5..2d78925b 100644
--- a/lib/Models/PayrollAu/SettingsObject.php
+++ b/lib/Models/PayrollAu/SettingsObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/SettingsTrackingCategories.php b/lib/Models/PayrollAu/SettingsTrackingCategories.php
index 958d3062..44ba978b 100644
--- a/lib/Models/PayrollAu/SettingsTrackingCategories.php
+++ b/lib/Models/PayrollAu/SettingsTrackingCategories.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -59,7 +59,8 @@ class SettingsTrackingCategories implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'employee_groups' => '\XeroAPI\XeroPHP\Models\PayrollAu\SettingsTrackingCategoriesEmployeeGroups''timesheet_categories' => '\XeroAPI\XeroPHP\Models\PayrollAu\SettingsTrackingCategoriesTimesheetCategories'
+        'employee_groups' => '\XeroAPI\XeroPHP\Models\PayrollAu\SettingsTrackingCategoriesEmployeeGroups',
+        'timesheet_categories' => '\XeroAPI\XeroPHP\Models\PayrollAu\SettingsTrackingCategoriesTimesheetCategories'
     ];
 
     /**
@@ -68,7 +69,8 @@ class SettingsTrackingCategories implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'employee_groups' => null'timesheet_categories' => null
+        'employee_groups' => null,
+        'timesheet_categories' => null
     ];
 
     /**
@@ -98,7 +100,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'employee_groups' => 'EmployeeGroups''timesheet_categories' => 'TimesheetCategories'
+        'employee_groups' => 'EmployeeGroups',
+        'timesheet_categories' => 'TimesheetCategories'
     ];
 
     /**
@@ -107,7 +110,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'employee_groups' => 'setEmployeeGroups''timesheet_categories' => 'setTimesheetCategories'
+        'employee_groups' => 'setEmployeeGroups',
+        'timesheet_categories' => 'setTimesheetCategories'
     ];
 
     /**
@@ -116,7 +120,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'employee_groups' => 'getEmployeeGroups''timesheet_categories' => 'getTimesheetCategories'
+        'employee_groups' => 'getEmployeeGroups',
+        'timesheet_categories' => 'getTimesheetCategories'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/SettingsTrackingCategoriesEmployeeGroups.php b/lib/Models/PayrollAu/SettingsTrackingCategoriesEmployeeGroups.php
index 5b04f082..fdeb7160 100644
--- a/lib/Models/PayrollAu/SettingsTrackingCategoriesEmployeeGroups.php
+++ b/lib/Models/PayrollAu/SettingsTrackingCategoriesEmployeeGroups.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -59,7 +59,8 @@ class SettingsTrackingCategoriesEmployeeGroups implements ModelInterface, ArrayA
       * @var string[]
       */
     protected static $openAPITypes = [
-        'tracking_category_id' => 'string''tracking_category_name' => 'string'
+        'tracking_category_id' => 'string',
+        'tracking_category_name' => 'string'
     ];
 
     /**
@@ -68,7 +69,8 @@ class SettingsTrackingCategoriesEmployeeGroups implements ModelInterface, ArrayA
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'tracking_category_id' => 'uuid''tracking_category_name' => null
+        'tracking_category_id' => 'uuid',
+        'tracking_category_name' => null
     ];
 
     /**
@@ -98,7 +100,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'tracking_category_id' => 'TrackingCategoryID''tracking_category_name' => 'TrackingCategoryName'
+        'tracking_category_id' => 'TrackingCategoryID',
+        'tracking_category_name' => 'TrackingCategoryName'
     ];
 
     /**
@@ -107,7 +110,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'tracking_category_id' => 'setTrackingCategoryId''tracking_category_name' => 'setTrackingCategoryName'
+        'tracking_category_id' => 'setTrackingCategoryId',
+        'tracking_category_name' => 'setTrackingCategoryName'
     ];
 
     /**
@@ -116,7 +120,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'tracking_category_id' => 'getTrackingCategoryId''tracking_category_name' => 'getTrackingCategoryName'
+        'tracking_category_id' => 'getTrackingCategoryId',
+        'tracking_category_name' => 'getTrackingCategoryName'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/SettingsTrackingCategoriesTimesheetCategories.php b/lib/Models/PayrollAu/SettingsTrackingCategoriesTimesheetCategories.php
index 79cfe08b..7e27da31 100644
--- a/lib/Models/PayrollAu/SettingsTrackingCategoriesTimesheetCategories.php
+++ b/lib/Models/PayrollAu/SettingsTrackingCategoriesTimesheetCategories.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -59,7 +59,8 @@ class SettingsTrackingCategoriesTimesheetCategories implements ModelInterface, A
       * @var string[]
       */
     protected static $openAPITypes = [
-        'tracking_category_id' => 'string''tracking_category_name' => 'string'
+        'tracking_category_id' => 'string',
+        'tracking_category_name' => 'string'
     ];
 
     /**
@@ -68,7 +69,8 @@ class SettingsTrackingCategoriesTimesheetCategories implements ModelInterface, A
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'tracking_category_id' => 'uuid''tracking_category_name' => null
+        'tracking_category_id' => 'uuid',
+        'tracking_category_name' => null
     ];
 
     /**
@@ -98,7 +100,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'tracking_category_id' => 'TrackingCategoryID''tracking_category_name' => 'TrackingCategoryName'
+        'tracking_category_id' => 'TrackingCategoryID',
+        'tracking_category_name' => 'TrackingCategoryName'
     ];
 
     /**
@@ -107,7 +110,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'tracking_category_id' => 'setTrackingCategoryId''tracking_category_name' => 'setTrackingCategoryName'
+        'tracking_category_id' => 'setTrackingCategoryId',
+        'tracking_category_name' => 'setTrackingCategoryName'
     ];
 
     /**
@@ -116,7 +120,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'tracking_category_id' => 'getTrackingCategoryId''tracking_category_name' => 'getTrackingCategoryName'
+        'tracking_category_id' => 'getTrackingCategoryId',
+        'tracking_category_name' => 'getTrackingCategoryName'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/State.php b/lib/Models/PayrollAu/State.php
index be1a264a..51c0dd3a 100644
--- a/lib/Models/PayrollAu/State.php
+++ b/lib/Models/PayrollAu/State.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/SuperFund.php b/lib/Models/PayrollAu/SuperFund.php
index 301eb3aa..25f00b25 100644
--- a/lib/Models/PayrollAu/SuperFund.php
+++ b/lib/Models/PayrollAu/SuperFund.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,19 @@ class SuperFund implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'super_fund_id' => 'string''type' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperFundType''name' => 'string''abn' => 'string''bsb' => 'string''account_number' => 'string''account_name' => 'string''electronic_service_address' => 'string''employer_number' => 'string''spin' => 'string''usi' => 'string''updated_date_utc' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\PayrollAu\ValidationError[]'
+        'super_fund_id' => 'string',
+        'type' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperFundType',
+        'name' => 'string',
+        'abn' => 'string',
+        'bsb' => 'string',
+        'account_number' => 'string',
+        'account_name' => 'string',
+        'electronic_service_address' => 'string',
+        'employer_number' => 'string',
+        'spin' => 'string',
+        'usi' => 'string',
+        'updated_date_utc' => 'string',
+        'validation_errors' => '\XeroAPI\XeroPHP\Models\PayrollAu\ValidationError[]'
     ];
 
     /**
@@ -67,7 +79,19 @@ class SuperFund implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'super_fund_id' => 'uuid''type' => null'name' => null'abn' => null'bsb' => null'account_number' => null'account_name' => null'electronic_service_address' => null'employer_number' => null'spin' => null'usi' => null'updated_date_utc' => null'validation_errors' => null
+        'super_fund_id' => 'uuid',
+        'type' => null,
+        'name' => null,
+        'abn' => null,
+        'bsb' => null,
+        'account_number' => null,
+        'account_name' => null,
+        'electronic_service_address' => null,
+        'employer_number' => null,
+        'spin' => null,
+        'usi' => null,
+        'updated_date_utc' => null,
+        'validation_errors' => null
     ];
 
     /**
@@ -97,7 +121,19 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'super_fund_id' => 'SuperFundID''type' => 'Type''name' => 'Name''abn' => 'ABN''bsb' => 'BSB''account_number' => 'AccountNumber''account_name' => 'AccountName''electronic_service_address' => 'ElectronicServiceAddress''employer_number' => 'EmployerNumber''spin' => 'SPIN''usi' => 'USI''updated_date_utc' => 'UpdatedDateUTC''validation_errors' => 'ValidationErrors'
+        'super_fund_id' => 'SuperFundID',
+        'type' => 'Type',
+        'name' => 'Name',
+        'abn' => 'ABN',
+        'bsb' => 'BSB',
+        'account_number' => 'AccountNumber',
+        'account_name' => 'AccountName',
+        'electronic_service_address' => 'ElectronicServiceAddress',
+        'employer_number' => 'EmployerNumber',
+        'spin' => 'SPIN',
+        'usi' => 'USI',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -106,7 +142,19 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'super_fund_id' => 'setSuperFundId''type' => 'setType''name' => 'setName''abn' => 'setAbn''bsb' => 'setBsb''account_number' => 'setAccountNumber''account_name' => 'setAccountName''electronic_service_address' => 'setElectronicServiceAddress''employer_number' => 'setEmployerNumber''spin' => 'setSpin''usi' => 'setUsi''updated_date_utc' => 'setUpdatedDateUtc''validation_errors' => 'setValidationErrors'
+        'super_fund_id' => 'setSuperFundId',
+        'type' => 'setType',
+        'name' => 'setName',
+        'abn' => 'setAbn',
+        'bsb' => 'setBsb',
+        'account_number' => 'setAccountNumber',
+        'account_name' => 'setAccountName',
+        'electronic_service_address' => 'setElectronicServiceAddress',
+        'employer_number' => 'setEmployerNumber',
+        'spin' => 'setSpin',
+        'usi' => 'setUsi',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -115,7 +163,19 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'super_fund_id' => 'getSuperFundId''type' => 'getType''name' => 'getName''abn' => 'getAbn''bsb' => 'getBsb''account_number' => 'getAccountNumber''account_name' => 'getAccountName''electronic_service_address' => 'getElectronicServiceAddress''employer_number' => 'getEmployerNumber''spin' => 'getSpin''usi' => 'getUsi''updated_date_utc' => 'getUpdatedDateUtc''validation_errors' => 'getValidationErrors'
+        'super_fund_id' => 'getSuperFundId',
+        'type' => 'getType',
+        'name' => 'getName',
+        'abn' => 'getAbn',
+        'bsb' => 'getBsb',
+        'account_number' => 'getAccountNumber',
+        'account_name' => 'getAccountName',
+        'electronic_service_address' => 'getElectronicServiceAddress',
+        'employer_number' => 'getEmployerNumber',
+        'spin' => 'getSpin',
+        'usi' => 'getUsi',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'validation_errors' => 'getValidationErrors'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/SuperFundProduct.php b/lib/Models/PayrollAu/SuperFundProduct.php
index babf6859..41382d6d 100644
--- a/lib/Models/PayrollAu/SuperFundProduct.php
+++ b/lib/Models/PayrollAu/SuperFundProduct.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class SuperFundProduct implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'abn' => 'string''usi' => 'string''spin' => 'string''product_name' => 'string'
+        'abn' => 'string',
+        'usi' => 'string',
+        'spin' => 'string',
+        'product_name' => 'string'
     ];
 
     /**
@@ -67,7 +70,10 @@ class SuperFundProduct implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'abn' => null'usi' => null'spin' => null'product_name' => null
+        'abn' => null,
+        'usi' => null,
+        'spin' => null,
+        'product_name' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'abn' => 'ABN''usi' => 'USI''spin' => 'SPIN''product_name' => 'ProductName'
+        'abn' => 'ABN',
+        'usi' => 'USI',
+        'spin' => 'SPIN',
+        'product_name' => 'ProductName'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'abn' => 'setAbn''usi' => 'setUsi''spin' => 'setSpin''product_name' => 'setProductName'
+        'abn' => 'setAbn',
+        'usi' => 'setUsi',
+        'spin' => 'setSpin',
+        'product_name' => 'setProductName'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'abn' => 'getAbn''usi' => 'getUsi''spin' => 'getSpin''product_name' => 'getProductName'
+        'abn' => 'getAbn',
+        'usi' => 'getUsi',
+        'spin' => 'getSpin',
+        'product_name' => 'getProductName'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/SuperFundProducts.php b/lib/Models/PayrollAu/SuperFundProducts.php
index d51eba9f..f028e2b9 100644
--- a/lib/Models/PayrollAu/SuperFundProducts.php
+++ b/lib/Models/PayrollAu/SuperFundProducts.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/SuperFundType.php b/lib/Models/PayrollAu/SuperFundType.php
index b25af107..57605023 100644
--- a/lib/Models/PayrollAu/SuperFundType.php
+++ b/lib/Models/PayrollAu/SuperFundType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/SuperFunds.php b/lib/Models/PayrollAu/SuperFunds.php
index b1fab5b8..641497e4 100644
--- a/lib/Models/PayrollAu/SuperFunds.php
+++ b/lib/Models/PayrollAu/SuperFunds.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/SuperLine.php b/lib/Models/PayrollAu/SuperLine.php
index 267f4ba2..9e044e9d 100644
--- a/lib/Models/PayrollAu/SuperLine.php
+++ b/lib/Models/PayrollAu/SuperLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,14 @@ class SuperLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'super_membership_id' => 'string''contribution_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperannuationContributionType''calculation_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperannuationCalculationType''minimum_monthly_earnings' => 'double''expense_account_code' => 'string''liability_account_code' => 'string''percentage' => 'double''amount' => 'double'
+        'super_membership_id' => 'string',
+        'contribution_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperannuationContributionType',
+        'calculation_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperannuationCalculationType',
+        'minimum_monthly_earnings' => 'double',
+        'expense_account_code' => 'string',
+        'liability_account_code' => 'string',
+        'percentage' => 'double',
+        'amount' => 'double'
     ];
 
     /**
@@ -67,7 +74,14 @@ class SuperLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'super_membership_id' => 'uuid''contribution_type' => null'calculation_type' => null'minimum_monthly_earnings' => 'double''expense_account_code' => null'liability_account_code' => null'percentage' => 'double''amount' => 'double'
+        'super_membership_id' => 'uuid',
+        'contribution_type' => null,
+        'calculation_type' => null,
+        'minimum_monthly_earnings' => 'double',
+        'expense_account_code' => null,
+        'liability_account_code' => null,
+        'percentage' => 'double',
+        'amount' => 'double'
     ];
 
     /**
@@ -97,7 +111,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'super_membership_id' => 'SuperMembershipID''contribution_type' => 'ContributionType''calculation_type' => 'CalculationType''minimum_monthly_earnings' => 'MinimumMonthlyEarnings''expense_account_code' => 'ExpenseAccountCode''liability_account_code' => 'LiabilityAccountCode''percentage' => 'Percentage''amount' => 'Amount'
+        'super_membership_id' => 'SuperMembershipID',
+        'contribution_type' => 'ContributionType',
+        'calculation_type' => 'CalculationType',
+        'minimum_monthly_earnings' => 'MinimumMonthlyEarnings',
+        'expense_account_code' => 'ExpenseAccountCode',
+        'liability_account_code' => 'LiabilityAccountCode',
+        'percentage' => 'Percentage',
+        'amount' => 'Amount'
     ];
 
     /**
@@ -106,7 +127,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'super_membership_id' => 'setSuperMembershipId''contribution_type' => 'setContributionType''calculation_type' => 'setCalculationType''minimum_monthly_earnings' => 'setMinimumMonthlyEarnings''expense_account_code' => 'setExpenseAccountCode''liability_account_code' => 'setLiabilityAccountCode''percentage' => 'setPercentage''amount' => 'setAmount'
+        'super_membership_id' => 'setSuperMembershipId',
+        'contribution_type' => 'setContributionType',
+        'calculation_type' => 'setCalculationType',
+        'minimum_monthly_earnings' => 'setMinimumMonthlyEarnings',
+        'expense_account_code' => 'setExpenseAccountCode',
+        'liability_account_code' => 'setLiabilityAccountCode',
+        'percentage' => 'setPercentage',
+        'amount' => 'setAmount'
     ];
 
     /**
@@ -115,7 +143,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'super_membership_id' => 'getSuperMembershipId''contribution_type' => 'getContributionType''calculation_type' => 'getCalculationType''minimum_monthly_earnings' => 'getMinimumMonthlyEarnings''expense_account_code' => 'getExpenseAccountCode''liability_account_code' => 'getLiabilityAccountCode''percentage' => 'getPercentage''amount' => 'getAmount'
+        'super_membership_id' => 'getSuperMembershipId',
+        'contribution_type' => 'getContributionType',
+        'calculation_type' => 'getCalculationType',
+        'minimum_monthly_earnings' => 'getMinimumMonthlyEarnings',
+        'expense_account_code' => 'getExpenseAccountCode',
+        'liability_account_code' => 'getLiabilityAccountCode',
+        'percentage' => 'getPercentage',
+        'amount' => 'getAmount'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/SuperMembership.php b/lib/Models/PayrollAu/SuperMembership.php
index 284f3b7a..920548aa 100644
--- a/lib/Models/PayrollAu/SuperMembership.php
+++ b/lib/Models/PayrollAu/SuperMembership.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class SuperMembership implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'super_membership_id' => 'string''super_fund_id' => 'string''employee_number' => 'string'
+        'super_membership_id' => 'string',
+        'super_fund_id' => 'string',
+        'employee_number' => 'string'
     ];
 
     /**
@@ -67,7 +69,9 @@ class SuperMembership implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'super_membership_id' => 'uuid''super_fund_id' => 'uuid''employee_number' => null
+        'super_membership_id' => 'uuid',
+        'super_fund_id' => 'uuid',
+        'employee_number' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'super_membership_id' => 'SuperMembershipID''super_fund_id' => 'SuperFundID''employee_number' => 'EmployeeNumber'
+        'super_membership_id' => 'SuperMembershipID',
+        'super_fund_id' => 'SuperFundID',
+        'employee_number' => 'EmployeeNumber'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'super_membership_id' => 'setSuperMembershipId''super_fund_id' => 'setSuperFundId''employee_number' => 'setEmployeeNumber'
+        'super_membership_id' => 'setSuperMembershipId',
+        'super_fund_id' => 'setSuperFundId',
+        'employee_number' => 'setEmployeeNumber'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'super_membership_id' => 'getSuperMembershipId''super_fund_id' => 'getSuperFundId''employee_number' => 'getEmployeeNumber'
+        'super_membership_id' => 'getSuperMembershipId',
+        'super_fund_id' => 'getSuperFundId',
+        'employee_number' => 'getEmployeeNumber'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/SuperannuationCalculationType.php b/lib/Models/PayrollAu/SuperannuationCalculationType.php
index 8c492294..3493b5b8 100644
--- a/lib/Models/PayrollAu/SuperannuationCalculationType.php
+++ b/lib/Models/PayrollAu/SuperannuationCalculationType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/SuperannuationContributionType.php b/lib/Models/PayrollAu/SuperannuationContributionType.php
index bdedf249..c60ac6c7 100644
--- a/lib/Models/PayrollAu/SuperannuationContributionType.php
+++ b/lib/Models/PayrollAu/SuperannuationContributionType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/SuperannuationLine.php b/lib/Models/PayrollAu/SuperannuationLine.php
index f844276c..37fe2f62 100644
--- a/lib/Models/PayrollAu/SuperannuationLine.php
+++ b/lib/Models/PayrollAu/SuperannuationLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,15 @@ class SuperannuationLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'super_membership_id' => 'string''contribution_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperannuationContributionType''calculation_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperannuationCalculationType''minimum_monthly_earnings' => 'double''expense_account_code' => 'string''liability_account_code' => 'string''payment_date_for_this_period' => 'string''percentage' => 'double''amount' => 'double'
+        'super_membership_id' => 'string',
+        'contribution_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperannuationContributionType',
+        'calculation_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\SuperannuationCalculationType',
+        'minimum_monthly_earnings' => 'double',
+        'expense_account_code' => 'string',
+        'liability_account_code' => 'string',
+        'payment_date_for_this_period' => 'string',
+        'percentage' => 'double',
+        'amount' => 'double'
     ];
 
     /**
@@ -67,7 +75,15 @@ class SuperannuationLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'super_membership_id' => 'uuid''contribution_type' => null'calculation_type' => null'minimum_monthly_earnings' => 'double''expense_account_code' => null'liability_account_code' => null'payment_date_for_this_period' => null'percentage' => 'double''amount' => 'double'
+        'super_membership_id' => 'uuid',
+        'contribution_type' => null,
+        'calculation_type' => null,
+        'minimum_monthly_earnings' => 'double',
+        'expense_account_code' => null,
+        'liability_account_code' => null,
+        'payment_date_for_this_period' => null,
+        'percentage' => 'double',
+        'amount' => 'double'
     ];
 
     /**
@@ -97,7 +113,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'super_membership_id' => 'SuperMembershipID''contribution_type' => 'ContributionType''calculation_type' => 'CalculationType''minimum_monthly_earnings' => 'MinimumMonthlyEarnings''expense_account_code' => 'ExpenseAccountCode''liability_account_code' => 'LiabilityAccountCode''payment_date_for_this_period' => 'PaymentDateForThisPeriod''percentage' => 'Percentage''amount' => 'Amount'
+        'super_membership_id' => 'SuperMembershipID',
+        'contribution_type' => 'ContributionType',
+        'calculation_type' => 'CalculationType',
+        'minimum_monthly_earnings' => 'MinimumMonthlyEarnings',
+        'expense_account_code' => 'ExpenseAccountCode',
+        'liability_account_code' => 'LiabilityAccountCode',
+        'payment_date_for_this_period' => 'PaymentDateForThisPeriod',
+        'percentage' => 'Percentage',
+        'amount' => 'Amount'
     ];
 
     /**
@@ -106,7 +130,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'super_membership_id' => 'setSuperMembershipId''contribution_type' => 'setContributionType''calculation_type' => 'setCalculationType''minimum_monthly_earnings' => 'setMinimumMonthlyEarnings''expense_account_code' => 'setExpenseAccountCode''liability_account_code' => 'setLiabilityAccountCode''payment_date_for_this_period' => 'setPaymentDateForThisPeriod''percentage' => 'setPercentage''amount' => 'setAmount'
+        'super_membership_id' => 'setSuperMembershipId',
+        'contribution_type' => 'setContributionType',
+        'calculation_type' => 'setCalculationType',
+        'minimum_monthly_earnings' => 'setMinimumMonthlyEarnings',
+        'expense_account_code' => 'setExpenseAccountCode',
+        'liability_account_code' => 'setLiabilityAccountCode',
+        'payment_date_for_this_period' => 'setPaymentDateForThisPeriod',
+        'percentage' => 'setPercentage',
+        'amount' => 'setAmount'
     ];
 
     /**
@@ -115,7 +147,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'super_membership_id' => 'getSuperMembershipId''contribution_type' => 'getContributionType''calculation_type' => 'getCalculationType''minimum_monthly_earnings' => 'getMinimumMonthlyEarnings''expense_account_code' => 'getExpenseAccountCode''liability_account_code' => 'getLiabilityAccountCode''payment_date_for_this_period' => 'getPaymentDateForThisPeriod''percentage' => 'getPercentage''amount' => 'getAmount'
+        'super_membership_id' => 'getSuperMembershipId',
+        'contribution_type' => 'getContributionType',
+        'calculation_type' => 'getCalculationType',
+        'minimum_monthly_earnings' => 'getMinimumMonthlyEarnings',
+        'expense_account_code' => 'getExpenseAccountCode',
+        'liability_account_code' => 'getLiabilityAccountCode',
+        'payment_date_for_this_period' => 'getPaymentDateForThisPeriod',
+        'percentage' => 'getPercentage',
+        'amount' => 'getAmount'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/TFNExemptionType.php b/lib/Models/PayrollAu/TFNExemptionType.php
index cc86e000..f313c20b 100644
--- a/lib/Models/PayrollAu/TFNExemptionType.php
+++ b/lib/Models/PayrollAu/TFNExemptionType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/TaxDeclaration.php b/lib/Models/PayrollAu/TaxDeclaration.php
index 6ee17fbc..cc577877 100644
--- a/lib/Models/PayrollAu/TaxDeclaration.php
+++ b/lib/Models/PayrollAu/TaxDeclaration.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,22 @@ class TaxDeclaration implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'employee_id' => 'string''employment_basis' => '\XeroAPI\XeroPHP\Models\PayrollAu\EmploymentBasis''tfn_exemption_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\TFNExemptionType''tax_file_number' => 'string''australian_resident_for_tax_purposes' => 'bool''residency_status' => '\XeroAPI\XeroPHP\Models\PayrollAu\ResidencyStatus''tax_free_threshold_claimed' => 'bool''tax_offset_estimated_amount' => 'float''has_help_debt' => 'bool''has_sfss_debt' => 'bool''has_trade_support_loan_debt' => 'bool''upward_variation_tax_withholding_amount' => 'float''eligible_to_receive_leave_loading' => 'bool''approved_withholding_variation_percentage' => 'float''has_student_startup_loan' => 'bool''updated_date_utc' => 'string'
+        'employee_id' => 'string',
+        'employment_basis' => '\XeroAPI\XeroPHP\Models\PayrollAu\EmploymentBasis',
+        'tfn_exemption_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\TFNExemptionType',
+        'tax_file_number' => 'string',
+        'australian_resident_for_tax_purposes' => 'bool',
+        'residency_status' => '\XeroAPI\XeroPHP\Models\PayrollAu\ResidencyStatus',
+        'tax_free_threshold_claimed' => 'bool',
+        'tax_offset_estimated_amount' => 'float',
+        'has_help_debt' => 'bool',
+        'has_sfss_debt' => 'bool',
+        'has_trade_support_loan_debt' => 'bool',
+        'upward_variation_tax_withholding_amount' => 'float',
+        'eligible_to_receive_leave_loading' => 'bool',
+        'approved_withholding_variation_percentage' => 'float',
+        'has_student_startup_loan' => 'bool',
+        'updated_date_utc' => 'string'
     ];
 
     /**
@@ -67,7 +82,22 @@ class TaxDeclaration implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'employee_id' => 'uuid''employment_basis' => null'tfn_exemption_type' => null'tax_file_number' => null'australian_resident_for_tax_purposes' => null'residency_status' => null'tax_free_threshold_claimed' => null'tax_offset_estimated_amount' => 'int''has_help_debt' => null'has_sfss_debt' => null'has_trade_support_loan_debt' => null'upward_variation_tax_withholding_amount' => 'int''eligible_to_receive_leave_loading' => null'approved_withholding_variation_percentage' => 'int''has_student_startup_loan' => null'updated_date_utc' => null
+        'employee_id' => 'uuid',
+        'employment_basis' => null,
+        'tfn_exemption_type' => null,
+        'tax_file_number' => null,
+        'australian_resident_for_tax_purposes' => null,
+        'residency_status' => null,
+        'tax_free_threshold_claimed' => null,
+        'tax_offset_estimated_amount' => 'int',
+        'has_help_debt' => null,
+        'has_sfss_debt' => null,
+        'has_trade_support_loan_debt' => null,
+        'upward_variation_tax_withholding_amount' => 'int',
+        'eligible_to_receive_leave_loading' => null,
+        'approved_withholding_variation_percentage' => 'int',
+        'has_student_startup_loan' => null,
+        'updated_date_utc' => null
     ];
 
     /**
@@ -97,7 +127,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'employee_id' => 'EmployeeID''employment_basis' => 'EmploymentBasis''tfn_exemption_type' => 'TFNExemptionType''tax_file_number' => 'TaxFileNumber''australian_resident_for_tax_purposes' => 'AustralianResidentForTaxPurposes''residency_status' => 'ResidencyStatus''tax_free_threshold_claimed' => 'TaxFreeThresholdClaimed''tax_offset_estimated_amount' => 'TaxOffsetEstimatedAmount''has_help_debt' => 'HasHELPDebt''has_sfss_debt' => 'HasSFSSDebt''has_trade_support_loan_debt' => 'HasTradeSupportLoanDebt''upward_variation_tax_withholding_amount' => 'UpwardVariationTaxWithholdingAmount''eligible_to_receive_leave_loading' => 'EligibleToReceiveLeaveLoading''approved_withholding_variation_percentage' => 'ApprovedWithholdingVariationPercentage''has_student_startup_loan' => 'HasStudentStartupLoan''updated_date_utc' => 'UpdatedDateUTC'
+        'employee_id' => 'EmployeeID',
+        'employment_basis' => 'EmploymentBasis',
+        'tfn_exemption_type' => 'TFNExemptionType',
+        'tax_file_number' => 'TaxFileNumber',
+        'australian_resident_for_tax_purposes' => 'AustralianResidentForTaxPurposes',
+        'residency_status' => 'ResidencyStatus',
+        'tax_free_threshold_claimed' => 'TaxFreeThresholdClaimed',
+        'tax_offset_estimated_amount' => 'TaxOffsetEstimatedAmount',
+        'has_help_debt' => 'HasHELPDebt',
+        'has_sfss_debt' => 'HasSFSSDebt',
+        'has_trade_support_loan_debt' => 'HasTradeSupportLoanDebt',
+        'upward_variation_tax_withholding_amount' => 'UpwardVariationTaxWithholdingAmount',
+        'eligible_to_receive_leave_loading' => 'EligibleToReceiveLeaveLoading',
+        'approved_withholding_variation_percentage' => 'ApprovedWithholdingVariationPercentage',
+        'has_student_startup_loan' => 'HasStudentStartupLoan',
+        'updated_date_utc' => 'UpdatedDateUTC'
     ];
 
     /**
@@ -106,7 +151,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'employee_id' => 'setEmployeeId''employment_basis' => 'setEmploymentBasis''tfn_exemption_type' => 'setTfnExemptionType''tax_file_number' => 'setTaxFileNumber''australian_resident_for_tax_purposes' => 'setAustralianResidentForTaxPurposes''residency_status' => 'setResidencyStatus''tax_free_threshold_claimed' => 'setTaxFreeThresholdClaimed''tax_offset_estimated_amount' => 'setTaxOffsetEstimatedAmount''has_help_debt' => 'setHasHelpDebt''has_sfss_debt' => 'setHasSfssDebt''has_trade_support_loan_debt' => 'setHasTradeSupportLoanDebt''upward_variation_tax_withholding_amount' => 'setUpwardVariationTaxWithholdingAmount''eligible_to_receive_leave_loading' => 'setEligibleToReceiveLeaveLoading''approved_withholding_variation_percentage' => 'setApprovedWithholdingVariationPercentage''has_student_startup_loan' => 'setHasStudentStartupLoan''updated_date_utc' => 'setUpdatedDateUtc'
+        'employee_id' => 'setEmployeeId',
+        'employment_basis' => 'setEmploymentBasis',
+        'tfn_exemption_type' => 'setTfnExemptionType',
+        'tax_file_number' => 'setTaxFileNumber',
+        'australian_resident_for_tax_purposes' => 'setAustralianResidentForTaxPurposes',
+        'residency_status' => 'setResidencyStatus',
+        'tax_free_threshold_claimed' => 'setTaxFreeThresholdClaimed',
+        'tax_offset_estimated_amount' => 'setTaxOffsetEstimatedAmount',
+        'has_help_debt' => 'setHasHelpDebt',
+        'has_sfss_debt' => 'setHasSfssDebt',
+        'has_trade_support_loan_debt' => 'setHasTradeSupportLoanDebt',
+        'upward_variation_tax_withholding_amount' => 'setUpwardVariationTaxWithholdingAmount',
+        'eligible_to_receive_leave_loading' => 'setEligibleToReceiveLeaveLoading',
+        'approved_withholding_variation_percentage' => 'setApprovedWithholdingVariationPercentage',
+        'has_student_startup_loan' => 'setHasStudentStartupLoan',
+        'updated_date_utc' => 'setUpdatedDateUtc'
     ];
 
     /**
@@ -115,7 +175,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'employee_id' => 'getEmployeeId''employment_basis' => 'getEmploymentBasis''tfn_exemption_type' => 'getTfnExemptionType''tax_file_number' => 'getTaxFileNumber''australian_resident_for_tax_purposes' => 'getAustralianResidentForTaxPurposes''residency_status' => 'getResidencyStatus''tax_free_threshold_claimed' => 'getTaxFreeThresholdClaimed''tax_offset_estimated_amount' => 'getTaxOffsetEstimatedAmount''has_help_debt' => 'getHasHelpDebt''has_sfss_debt' => 'getHasSfssDebt''has_trade_support_loan_debt' => 'getHasTradeSupportLoanDebt''upward_variation_tax_withholding_amount' => 'getUpwardVariationTaxWithholdingAmount''eligible_to_receive_leave_loading' => 'getEligibleToReceiveLeaveLoading''approved_withholding_variation_percentage' => 'getApprovedWithholdingVariationPercentage''has_student_startup_loan' => 'getHasStudentStartupLoan''updated_date_utc' => 'getUpdatedDateUtc'
+        'employee_id' => 'getEmployeeId',
+        'employment_basis' => 'getEmploymentBasis',
+        'tfn_exemption_type' => 'getTfnExemptionType',
+        'tax_file_number' => 'getTaxFileNumber',
+        'australian_resident_for_tax_purposes' => 'getAustralianResidentForTaxPurposes',
+        'residency_status' => 'getResidencyStatus',
+        'tax_free_threshold_claimed' => 'getTaxFreeThresholdClaimed',
+        'tax_offset_estimated_amount' => 'getTaxOffsetEstimatedAmount',
+        'has_help_debt' => 'getHasHelpDebt',
+        'has_sfss_debt' => 'getHasSfssDebt',
+        'has_trade_support_loan_debt' => 'getHasTradeSupportLoanDebt',
+        'upward_variation_tax_withholding_amount' => 'getUpwardVariationTaxWithholdingAmount',
+        'eligible_to_receive_leave_loading' => 'getEligibleToReceiveLeaveLoading',
+        'approved_withholding_variation_percentage' => 'getApprovedWithholdingVariationPercentage',
+        'has_student_startup_loan' => 'getHasStudentStartupLoan',
+        'updated_date_utc' => 'getUpdatedDateUtc'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/TaxLine.php b/lib/Models/PayrollAu/TaxLine.php
index 19064b53..1b972c11 100644
--- a/lib/Models/PayrollAu/TaxLine.php
+++ b/lib/Models/PayrollAu/TaxLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class TaxLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'payslip_tax_line_id' => 'string''amount' => 'double''tax_type_name' => 'string''description' => 'string''manual_tax_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\ManualTaxType''liability_account' => 'string'
+        'payslip_tax_line_id' => 'string',
+        'amount' => 'double',
+        'tax_type_name' => 'string',
+        'description' => 'string',
+        'manual_tax_type' => '\XeroAPI\XeroPHP\Models\PayrollAu\ManualTaxType',
+        'liability_account' => 'string'
     ];
 
     /**
@@ -67,7 +72,12 @@ class TaxLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'payslip_tax_line_id' => 'uuid''amount' => 'double''tax_type_name' => null'description' => null'manual_tax_type' => null'liability_account' => null
+        'payslip_tax_line_id' => 'uuid',
+        'amount' => 'double',
+        'tax_type_name' => null,
+        'description' => null,
+        'manual_tax_type' => null,
+        'liability_account' => null
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'payslip_tax_line_id' => 'PayslipTaxLineID''amount' => 'Amount''tax_type_name' => 'TaxTypeName''description' => 'Description''manual_tax_type' => 'ManualTaxType''liability_account' => 'LiabilityAccount'
+        'payslip_tax_line_id' => 'PayslipTaxLineID',
+        'amount' => 'Amount',
+        'tax_type_name' => 'TaxTypeName',
+        'description' => 'Description',
+        'manual_tax_type' => 'ManualTaxType',
+        'liability_account' => 'LiabilityAccount'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'payslip_tax_line_id' => 'setPayslipTaxLineId''amount' => 'setAmount''tax_type_name' => 'setTaxTypeName''description' => 'setDescription''manual_tax_type' => 'setManualTaxType''liability_account' => 'setLiabilityAccount'
+        'payslip_tax_line_id' => 'setPayslipTaxLineId',
+        'amount' => 'setAmount',
+        'tax_type_name' => 'setTaxTypeName',
+        'description' => 'setDescription',
+        'manual_tax_type' => 'setManualTaxType',
+        'liability_account' => 'setLiabilityAccount'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'payslip_tax_line_id' => 'getPayslipTaxLineId''amount' => 'getAmount''tax_type_name' => 'getTaxTypeName''description' => 'getDescription''manual_tax_type' => 'getManualTaxType''liability_account' => 'getLiabilityAccount'
+        'payslip_tax_line_id' => 'getPayslipTaxLineId',
+        'amount' => 'getAmount',
+        'tax_type_name' => 'getTaxTypeName',
+        'description' => 'getDescription',
+        'manual_tax_type' => 'getManualTaxType',
+        'liability_account' => 'getLiabilityAccount'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/Timesheet.php b/lib/Models/PayrollAu/Timesheet.php
index c0496a68..1c0485f1 100644
--- a/lib/Models/PayrollAu/Timesheet.php
+++ b/lib/Models/PayrollAu/Timesheet.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,15 @@ class Timesheet implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'employee_id' => 'string''start_date' => 'string''end_date' => 'string''status' => '\XeroAPI\XeroPHP\Models\PayrollAu\TimesheetStatus''hours' => 'double''timesheet_id' => 'string''timesheet_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\TimesheetLine[]''updated_date_utc' => 'string''validation_errors' => '\XeroAPI\XeroPHP\Models\PayrollAu\ValidationError[]'
+        'employee_id' => 'string',
+        'start_date' => 'string',
+        'end_date' => 'string',
+        'status' => '\XeroAPI\XeroPHP\Models\PayrollAu\TimesheetStatus',
+        'hours' => 'double',
+        'timesheet_id' => 'string',
+        'timesheet_lines' => '\XeroAPI\XeroPHP\Models\PayrollAu\TimesheetLine[]',
+        'updated_date_utc' => 'string',
+        'validation_errors' => '\XeroAPI\XeroPHP\Models\PayrollAu\ValidationError[]'
     ];
 
     /**
@@ -67,7 +75,15 @@ class Timesheet implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'employee_id' => 'uuid''start_date' => null'end_date' => null'status' => null'hours' => 'double''timesheet_id' => 'uuid''timesheet_lines' => null'updated_date_utc' => null'validation_errors' => null
+        'employee_id' => 'uuid',
+        'start_date' => null,
+        'end_date' => null,
+        'status' => null,
+        'hours' => 'double',
+        'timesheet_id' => 'uuid',
+        'timesheet_lines' => null,
+        'updated_date_utc' => null,
+        'validation_errors' => null
     ];
 
     /**
@@ -97,7 +113,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'employee_id' => 'EmployeeID''start_date' => 'StartDate''end_date' => 'EndDate''status' => 'Status''hours' => 'Hours''timesheet_id' => 'TimesheetID''timesheet_lines' => 'TimesheetLines''updated_date_utc' => 'UpdatedDateUTC''validation_errors' => 'ValidationErrors'
+        'employee_id' => 'EmployeeID',
+        'start_date' => 'StartDate',
+        'end_date' => 'EndDate',
+        'status' => 'Status',
+        'hours' => 'Hours',
+        'timesheet_id' => 'TimesheetID',
+        'timesheet_lines' => 'TimesheetLines',
+        'updated_date_utc' => 'UpdatedDateUTC',
+        'validation_errors' => 'ValidationErrors'
     ];
 
     /**
@@ -106,7 +130,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'employee_id' => 'setEmployeeId''start_date' => 'setStartDate''end_date' => 'setEndDate''status' => 'setStatus''hours' => 'setHours''timesheet_id' => 'setTimesheetId''timesheet_lines' => 'setTimesheetLines''updated_date_utc' => 'setUpdatedDateUtc''validation_errors' => 'setValidationErrors'
+        'employee_id' => 'setEmployeeId',
+        'start_date' => 'setStartDate',
+        'end_date' => 'setEndDate',
+        'status' => 'setStatus',
+        'hours' => 'setHours',
+        'timesheet_id' => 'setTimesheetId',
+        'timesheet_lines' => 'setTimesheetLines',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'validation_errors' => 'setValidationErrors'
     ];
 
     /**
@@ -115,7 +147,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'employee_id' => 'getEmployeeId''start_date' => 'getStartDate''end_date' => 'getEndDate''status' => 'getStatus''hours' => 'getHours''timesheet_id' => 'getTimesheetId''timesheet_lines' => 'getTimesheetLines''updated_date_utc' => 'getUpdatedDateUtc''validation_errors' => 'getValidationErrors'
+        'employee_id' => 'getEmployeeId',
+        'start_date' => 'getStartDate',
+        'end_date' => 'getEndDate',
+        'status' => 'getStatus',
+        'hours' => 'getHours',
+        'timesheet_id' => 'getTimesheetId',
+        'timesheet_lines' => 'getTimesheetLines',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'validation_errors' => 'getValidationErrors'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/TimesheetLine.php b/lib/Models/PayrollAu/TimesheetLine.php
index a0ca783d..6806c04f 100644
--- a/lib/Models/PayrollAu/TimesheetLine.php
+++ b/lib/Models/PayrollAu/TimesheetLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class TimesheetLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_rate_id' => 'string''tracking_item_id' => 'string''number_of_units' => 'double[]''updated_date_utc' => 'string'
+        'earnings_rate_id' => 'string',
+        'tracking_item_id' => 'string',
+        'number_of_units' => 'double[]',
+        'updated_date_utc' => 'string'
     ];
 
     /**
@@ -67,7 +70,10 @@ class TimesheetLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_rate_id' => 'uuid''tracking_item_id' => 'uuid''number_of_units' => 'double''updated_date_utc' => null
+        'earnings_rate_id' => 'uuid',
+        'tracking_item_id' => 'uuid',
+        'number_of_units' => 'double',
+        'updated_date_utc' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_rate_id' => 'EarningsRateID''tracking_item_id' => 'TrackingItemID''number_of_units' => 'NumberOfUnits''updated_date_utc' => 'UpdatedDateUTC'
+        'earnings_rate_id' => 'EarningsRateID',
+        'tracking_item_id' => 'TrackingItemID',
+        'number_of_units' => 'NumberOfUnits',
+        'updated_date_utc' => 'UpdatedDateUTC'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_rate_id' => 'setEarningsRateId''tracking_item_id' => 'setTrackingItemId''number_of_units' => 'setNumberOfUnits''updated_date_utc' => 'setUpdatedDateUtc'
+        'earnings_rate_id' => 'setEarningsRateId',
+        'tracking_item_id' => 'setTrackingItemId',
+        'number_of_units' => 'setNumberOfUnits',
+        'updated_date_utc' => 'setUpdatedDateUtc'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_rate_id' => 'getEarningsRateId''tracking_item_id' => 'getTrackingItemId''number_of_units' => 'getNumberOfUnits''updated_date_utc' => 'getUpdatedDateUtc'
+        'earnings_rate_id' => 'getEarningsRateId',
+        'tracking_item_id' => 'getTrackingItemId',
+        'number_of_units' => 'getNumberOfUnits',
+        'updated_date_utc' => 'getUpdatedDateUtc'
     ];
 
     /**
diff --git a/lib/Models/PayrollAu/TimesheetObject.php b/lib/Models/PayrollAu/TimesheetObject.php
index 0d753754..ba02c01e 100644
--- a/lib/Models/PayrollAu/TimesheetObject.php
+++ b/lib/Models/PayrollAu/TimesheetObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/TimesheetStatus.php b/lib/Models/PayrollAu/TimesheetStatus.php
index c2a11045..32357faf 100644
--- a/lib/Models/PayrollAu/TimesheetStatus.php
+++ b/lib/Models/PayrollAu/TimesheetStatus.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/Timesheets.php b/lib/Models/PayrollAu/Timesheets.php
index 85a770e7..ecdd4aaf 100644
--- a/lib/Models/PayrollAu/Timesheets.php
+++ b/lib/Models/PayrollAu/Timesheets.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollAu/ValidationError.php b/lib/Models/PayrollAu/ValidationError.php
index 8f2f4bcf..c6b833d6 100644
--- a/lib/Models/PayrollAu/ValidationError.php
+++ b/lib/Models/PayrollAu/ValidationError.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollNz/Account.php b/lib/Models/PayrollNz/Account.php
index 19315f6c..5bd9c21f 100644
--- a/lib/Models/PayrollNz/Account.php
+++ b/lib/Models/PayrollNz/Account.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class Account implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_id' => 'string''type' => 'string''code' => 'string''name' => 'string'
+        'account_id' => 'string',
+        'type' => 'string',
+        'code' => 'string',
+        'name' => 'string'
     ];
 
     /**
@@ -67,7 +70,10 @@ class Account implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_id' => 'uuid''type' => null'code' => null'name' => null
+        'account_id' => 'uuid',
+        'type' => null,
+        'code' => null,
+        'name' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_id' => 'accountID''type' => 'type''code' => 'code''name' => 'name'
+        'account_id' => 'accountID',
+        'type' => 'type',
+        'code' => 'code',
+        'name' => 'name'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_id' => 'setAccountId''type' => 'setType''code' => 'setCode''name' => 'setName'
+        'account_id' => 'setAccountId',
+        'type' => 'setType',
+        'code' => 'setCode',
+        'name' => 'setName'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_id' => 'getAccountId''type' => 'getType''code' => 'getCode''name' => 'getName'
+        'account_id' => 'getAccountId',
+        'type' => 'getType',
+        'code' => 'getCode',
+        'name' => 'getName'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/Accounts.php b/lib/Models/PayrollNz/Accounts.php
index 795a4bc4..69daf9b3 100644
--- a/lib/Models/PayrollNz/Accounts.php
+++ b/lib/Models/PayrollNz/Accounts.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollNz/Address.php b/lib/Models/PayrollNz/Address.php
index 56ab53b4..11d8a824 100644
--- a/lib/Models/PayrollNz/Address.php
+++ b/lib/Models/PayrollNz/Address.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class Address implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'address_line1' => 'string''address_line2' => 'string''city' => 'string''suburb' => 'string''post_code' => 'string''country_name' => 'string'
+        'address_line1' => 'string',
+        'address_line2' => 'string',
+        'city' => 'string',
+        'suburb' => 'string',
+        'post_code' => 'string',
+        'country_name' => 'string'
     ];
 
     /**
@@ -67,7 +72,12 @@ class Address implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'address_line1' => null'address_line2' => null'city' => null'suburb' => null'post_code' => null'country_name' => null
+        'address_line1' => null,
+        'address_line2' => null,
+        'city' => null,
+        'suburb' => null,
+        'post_code' => null,
+        'country_name' => null
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'address_line1' => 'addressLine1''address_line2' => 'addressLine2''city' => 'city''suburb' => 'suburb''post_code' => 'postCode''country_name' => 'countryName'
+        'address_line1' => 'addressLine1',
+        'address_line2' => 'addressLine2',
+        'city' => 'city',
+        'suburb' => 'suburb',
+        'post_code' => 'postCode',
+        'country_name' => 'countryName'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'address_line1' => 'setAddressLine1''address_line2' => 'setAddressLine2''city' => 'setCity''suburb' => 'setSuburb''post_code' => 'setPostCode''country_name' => 'setCountryName'
+        'address_line1' => 'setAddressLine1',
+        'address_line2' => 'setAddressLine2',
+        'city' => 'setCity',
+        'suburb' => 'setSuburb',
+        'post_code' => 'setPostCode',
+        'country_name' => 'setCountryName'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'address_line1' => 'getAddressLine1''address_line2' => 'getAddressLine2''city' => 'getCity''suburb' => 'getSuburb''post_code' => 'getPostCode''country_name' => 'getCountryName'
+        'address_line1' => 'getAddressLine1',
+        'address_line2' => 'getAddressLine2',
+        'city' => 'getCity',
+        'suburb' => 'getSuburb',
+        'post_code' => 'getPostCode',
+        'country_name' => 'getCountryName'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/BankAccount.php b/lib/Models/PayrollNz/BankAccount.php
index cbb64816..23f6359c 100644
--- a/lib/Models/PayrollNz/BankAccount.php
+++ b/lib/Models/PayrollNz/BankAccount.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,14 @@ class BankAccount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_name' => 'string''account_number' => 'string''sort_code' => 'string''particulars' => 'string''code' => 'string''dollar_amount' => 'double''reference' => 'string''calculation_type' => 'string'
+        'account_name' => 'string',
+        'account_number' => 'string',
+        'sort_code' => 'string',
+        'particulars' => 'string',
+        'code' => 'string',
+        'dollar_amount' => 'double',
+        'reference' => 'string',
+        'calculation_type' => 'string'
     ];
 
     /**
@@ -67,7 +74,14 @@ class BankAccount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_name' => null'account_number' => null'sort_code' => null'particulars' => null'code' => null'dollar_amount' => 'double''reference' => null'calculation_type' => null
+        'account_name' => null,
+        'account_number' => null,
+        'sort_code' => null,
+        'particulars' => null,
+        'code' => null,
+        'dollar_amount' => 'double',
+        'reference' => null,
+        'calculation_type' => null
     ];
 
     /**
@@ -97,7 +111,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_name' => 'accountName''account_number' => 'accountNumber''sort_code' => 'sortCode''particulars' => 'particulars''code' => 'code''dollar_amount' => 'dollarAmount''reference' => 'reference''calculation_type' => 'calculationType'
+        'account_name' => 'accountName',
+        'account_number' => 'accountNumber',
+        'sort_code' => 'sortCode',
+        'particulars' => 'particulars',
+        'code' => 'code',
+        'dollar_amount' => 'dollarAmount',
+        'reference' => 'reference',
+        'calculation_type' => 'calculationType'
     ];
 
     /**
@@ -106,7 +127,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_name' => 'setAccountName''account_number' => 'setAccountNumber''sort_code' => 'setSortCode''particulars' => 'setParticulars''code' => 'setCode''dollar_amount' => 'setDollarAmount''reference' => 'setReference''calculation_type' => 'setCalculationType'
+        'account_name' => 'setAccountName',
+        'account_number' => 'setAccountNumber',
+        'sort_code' => 'setSortCode',
+        'particulars' => 'setParticulars',
+        'code' => 'setCode',
+        'dollar_amount' => 'setDollarAmount',
+        'reference' => 'setReference',
+        'calculation_type' => 'setCalculationType'
     ];
 
     /**
@@ -115,7 +143,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_name' => 'getAccountName''account_number' => 'getAccountNumber''sort_code' => 'getSortCode''particulars' => 'getParticulars''code' => 'getCode''dollar_amount' => 'getDollarAmount''reference' => 'getReference''calculation_type' => 'getCalculationType'
+        'account_name' => 'getAccountName',
+        'account_number' => 'getAccountNumber',
+        'sort_code' => 'getSortCode',
+        'particulars' => 'getParticulars',
+        'code' => 'getCode',
+        'dollar_amount' => 'getDollarAmount',
+        'reference' => 'getReference',
+        'calculation_type' => 'getCalculationType'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/Benefit.php b/lib/Models/PayrollNz/Benefit.php
index 3e1d69e6..98a0b5dc 100644
--- a/lib/Models/PayrollNz/Benefit.php
+++ b/lib/Models/PayrollNz/Benefit.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,16 @@ class Benefit implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'id' => 'string''name' => 'string''category' => 'string''liability_account_id' => 'string''expense_account_id' => 'string''calculation_type_nz' => 'string''standard_amount' => 'double''percentage' => 'double''company_max' => 'double''current_record' => 'bool'
+        'id' => 'string',
+        'name' => 'string',
+        'category' => 'string',
+        'liability_account_id' => 'string',
+        'expense_account_id' => 'string',
+        'calculation_type_nz' => 'string',
+        'standard_amount' => 'double',
+        'percentage' => 'double',
+        'company_max' => 'double',
+        'current_record' => 'bool'
     ];
 
     /**
@@ -67,7 +76,16 @@ class Benefit implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'id' => 'uuid''name' => null'category' => null'liability_account_id' => 'uuid''expense_account_id' => 'uuid''calculation_type_nz' => null'standard_amount' => 'double''percentage' => 'double''company_max' => 'double''current_record' => null
+        'id' => 'uuid',
+        'name' => null,
+        'category' => null,
+        'liability_account_id' => 'uuid',
+        'expense_account_id' => 'uuid',
+        'calculation_type_nz' => null,
+        'standard_amount' => 'double',
+        'percentage' => 'double',
+        'company_max' => 'double',
+        'current_record' => null
     ];
 
     /**
@@ -97,7 +115,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'id' => 'id''name' => 'name''category' => 'category''liability_account_id' => 'liabilityAccountId''expense_account_id' => 'expenseAccountId''calculation_type_nz' => 'calculationTypeNZ''standard_amount' => 'standardAmount''percentage' => 'percentage''company_max' => 'companyMax''current_record' => 'currentRecord'
+        'id' => 'id',
+        'name' => 'name',
+        'category' => 'category',
+        'liability_account_id' => 'liabilityAccountId',
+        'expense_account_id' => 'expenseAccountId',
+        'calculation_type_nz' => 'calculationTypeNZ',
+        'standard_amount' => 'standardAmount',
+        'percentage' => 'percentage',
+        'company_max' => 'companyMax',
+        'current_record' => 'currentRecord'
     ];
 
     /**
@@ -106,7 +133,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'id' => 'setId''name' => 'setName''category' => 'setCategory''liability_account_id' => 'setLiabilityAccountId''expense_account_id' => 'setExpenseAccountId''calculation_type_nz' => 'setCalculationTypeNz''standard_amount' => 'setStandardAmount''percentage' => 'setPercentage''company_max' => 'setCompanyMax''current_record' => 'setCurrentRecord'
+        'id' => 'setId',
+        'name' => 'setName',
+        'category' => 'setCategory',
+        'liability_account_id' => 'setLiabilityAccountId',
+        'expense_account_id' => 'setExpenseAccountId',
+        'calculation_type_nz' => 'setCalculationTypeNz',
+        'standard_amount' => 'setStandardAmount',
+        'percentage' => 'setPercentage',
+        'company_max' => 'setCompanyMax',
+        'current_record' => 'setCurrentRecord'
     ];
 
     /**
@@ -115,7 +151,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'id' => 'getId''name' => 'getName''category' => 'getCategory''liability_account_id' => 'getLiabilityAccountId''expense_account_id' => 'getExpenseAccountId''calculation_type_nz' => 'getCalculationTypeNz''standard_amount' => 'getStandardAmount''percentage' => 'getPercentage''company_max' => 'getCompanyMax''current_record' => 'getCurrentRecord'
+        'id' => 'getId',
+        'name' => 'getName',
+        'category' => 'getCategory',
+        'liability_account_id' => 'getLiabilityAccountId',
+        'expense_account_id' => 'getExpenseAccountId',
+        'calculation_type_nz' => 'getCalculationTypeNz',
+        'standard_amount' => 'getStandardAmount',
+        'percentage' => 'getPercentage',
+        'company_max' => 'getCompanyMax',
+        'current_record' => 'getCurrentRecord'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/CalendarType.php b/lib/Models/PayrollNz/CalendarType.php
index cf646829..7b2d70ae 100644
--- a/lib/Models/PayrollNz/CalendarType.php
+++ b/lib/Models/PayrollNz/CalendarType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollNz/Deduction.php b/lib/Models/PayrollNz/Deduction.php
index 73b9f0e6..8cf41a4d 100644
--- a/lib/Models/PayrollNz/Deduction.php
+++ b/lib/Models/PayrollNz/Deduction.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class Deduction implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'deduction_id' => 'string''deduction_name' => 'string''deduction_category' => 'string''liability_account_id' => 'string''current_record' => 'bool''standard_amount' => 'double'
+        'deduction_id' => 'string',
+        'deduction_name' => 'string',
+        'deduction_category' => 'string',
+        'liability_account_id' => 'string',
+        'current_record' => 'bool',
+        'standard_amount' => 'double'
     ];
 
     /**
@@ -67,7 +72,12 @@ class Deduction implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'deduction_id' => 'uuid''deduction_name' => null'deduction_category' => null'liability_account_id' => 'uuid''current_record' => null'standard_amount' => 'double'
+        'deduction_id' => 'uuid',
+        'deduction_name' => null,
+        'deduction_category' => null,
+        'liability_account_id' => 'uuid',
+        'current_record' => null,
+        'standard_amount' => 'double'
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'deduction_id' => 'deductionId''deduction_name' => 'deductionName''deduction_category' => 'deductionCategory''liability_account_id' => 'liabilityAccountId''current_record' => 'currentRecord''standard_amount' => 'standardAmount'
+        'deduction_id' => 'deductionId',
+        'deduction_name' => 'deductionName',
+        'deduction_category' => 'deductionCategory',
+        'liability_account_id' => 'liabilityAccountId',
+        'current_record' => 'currentRecord',
+        'standard_amount' => 'standardAmount'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'deduction_id' => 'setDeductionId''deduction_name' => 'setDeductionName''deduction_category' => 'setDeductionCategory''liability_account_id' => 'setLiabilityAccountId''current_record' => 'setCurrentRecord''standard_amount' => 'setStandardAmount'
+        'deduction_id' => 'setDeductionId',
+        'deduction_name' => 'setDeductionName',
+        'deduction_category' => 'setDeductionCategory',
+        'liability_account_id' => 'setLiabilityAccountId',
+        'current_record' => 'setCurrentRecord',
+        'standard_amount' => 'setStandardAmount'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'deduction_id' => 'getDeductionId''deduction_name' => 'getDeductionName''deduction_category' => 'getDeductionCategory''liability_account_id' => 'getLiabilityAccountId''current_record' => 'getCurrentRecord''standard_amount' => 'getStandardAmount'
+        'deduction_id' => 'getDeductionId',
+        'deduction_name' => 'getDeductionName',
+        'deduction_category' => 'getDeductionCategory',
+        'liability_account_id' => 'getLiabilityAccountId',
+        'current_record' => 'getCurrentRecord',
+        'standard_amount' => 'getStandardAmount'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/DeductionLine.php b/lib/Models/PayrollNz/DeductionLine.php
index 61b8447d..1f3f3cea 100644
--- a/lib/Models/PayrollNz/DeductionLine.php
+++ b/lib/Models/PayrollNz/DeductionLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class DeductionLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'deduction_type_id' => 'string''display_name' => 'string''amount' => 'double''subject_to_tax' => 'bool''percentage' => 'double'
+        'deduction_type_id' => 'string',
+        'display_name' => 'string',
+        'amount' => 'double',
+        'subject_to_tax' => 'bool',
+        'percentage' => 'double'
     ];
 
     /**
@@ -67,7 +71,11 @@ class DeductionLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'deduction_type_id' => 'uuid''display_name' => null'amount' => 'double''subject_to_tax' => null'percentage' => 'double'
+        'deduction_type_id' => 'uuid',
+        'display_name' => null,
+        'amount' => 'double',
+        'subject_to_tax' => null,
+        'percentage' => 'double'
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'deduction_type_id' => 'deductionTypeID''display_name' => 'displayName''amount' => 'amount''subject_to_tax' => 'subjectToTax''percentage' => 'percentage'
+        'deduction_type_id' => 'deductionTypeID',
+        'display_name' => 'displayName',
+        'amount' => 'amount',
+        'subject_to_tax' => 'subjectToTax',
+        'percentage' => 'percentage'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'deduction_type_id' => 'setDeductionTypeId''display_name' => 'setDisplayName''amount' => 'setAmount''subject_to_tax' => 'setSubjectToTax''percentage' => 'setPercentage'
+        'deduction_type_id' => 'setDeductionTypeId',
+        'display_name' => 'setDisplayName',
+        'amount' => 'setAmount',
+        'subject_to_tax' => 'setSubjectToTax',
+        'percentage' => 'setPercentage'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'deduction_type_id' => 'getDeductionTypeId''display_name' => 'getDisplayName''amount' => 'getAmount''subject_to_tax' => 'getSubjectToTax''percentage' => 'getPercentage'
+        'deduction_type_id' => 'getDeductionTypeId',
+        'display_name' => 'getDisplayName',
+        'amount' => 'getAmount',
+        'subject_to_tax' => 'getSubjectToTax',
+        'percentage' => 'getPercentage'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/DeductionObject.php b/lib/Models/PayrollNz/DeductionObject.php
index c051ba5e..1a941fce 100644
--- a/lib/Models/PayrollNz/DeductionObject.php
+++ b/lib/Models/PayrollNz/DeductionObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class DeductionObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''deduction' => '\XeroAPI\XeroPHP\Models\PayrollNz\Deduction'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'deduction' => '\XeroAPI\XeroPHP\Models\PayrollNz\Deduction'
     ];
 
     /**
@@ -67,7 +69,9 @@ class DeductionObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'deduction' => null
+        'pagination' => null,
+        'problem' => null,
+        'deduction' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''deduction' => 'deduction'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'deduction' => 'deduction'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''deduction' => 'setDeduction'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'deduction' => 'setDeduction'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''deduction' => 'getDeduction'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'deduction' => 'getDeduction'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/Deductions.php b/lib/Models/PayrollNz/Deductions.php
index cb75b3d0..5e6071dd 100644
--- a/lib/Models/PayrollNz/Deductions.php
+++ b/lib/Models/PayrollNz/Deductions.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class Deductions implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''deductions' => '\XeroAPI\XeroPHP\Models\PayrollNz\Deduction[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'deductions' => '\XeroAPI\XeroPHP\Models\PayrollNz\Deduction[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class Deductions implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'deductions' => null
+        'pagination' => null,
+        'problem' => null,
+        'deductions' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''deductions' => 'deductions'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'deductions' => 'deductions'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''deductions' => 'setDeductions'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'deductions' => 'setDeductions'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''deductions' => 'getDeductions'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'deductions' => 'getDeductions'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EarningsLine.php b/lib/Models/PayrollNz/EarningsLine.php
index dc703248..545b9415 100644
--- a/lib/Models/PayrollNz/EarningsLine.php
+++ b/lib/Models/PayrollNz/EarningsLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,16 @@ class EarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_line_id' => 'string''earnings_rate_id' => 'string''display_name' => 'string''rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''amount' => 'double''is_linked_to_timesheet' => 'bool''is_average_daily_pay_rate' => 'bool''is_system_generated' => 'bool'
+        'earnings_line_id' => 'string',
+        'earnings_rate_id' => 'string',
+        'display_name' => 'string',
+        'rate_per_unit' => 'double',
+        'number_of_units' => 'double',
+        'fixed_amount' => 'double',
+        'amount' => 'double',
+        'is_linked_to_timesheet' => 'bool',
+        'is_average_daily_pay_rate' => 'bool',
+        'is_system_generated' => 'bool'
     ];
 
     /**
@@ -67,7 +76,16 @@ class EarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_line_id' => 'uuid''earnings_rate_id' => 'uuid''display_name' => null'rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''amount' => 'double''is_linked_to_timesheet' => null'is_average_daily_pay_rate' => null'is_system_generated' => null
+        'earnings_line_id' => 'uuid',
+        'earnings_rate_id' => 'uuid',
+        'display_name' => null,
+        'rate_per_unit' => 'double',
+        'number_of_units' => 'double',
+        'fixed_amount' => 'double',
+        'amount' => 'double',
+        'is_linked_to_timesheet' => null,
+        'is_average_daily_pay_rate' => null,
+        'is_system_generated' => null
     ];
 
     /**
@@ -97,7 +115,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_line_id' => 'earningsLineID''earnings_rate_id' => 'earningsRateID''display_name' => 'displayName''rate_per_unit' => 'ratePerUnit''number_of_units' => 'numberOfUnits''fixed_amount' => 'fixedAmount''amount' => 'amount''is_linked_to_timesheet' => 'isLinkedToTimesheet''is_average_daily_pay_rate' => 'isAverageDailyPayRate''is_system_generated' => 'isSystemGenerated'
+        'earnings_line_id' => 'earningsLineID',
+        'earnings_rate_id' => 'earningsRateID',
+        'display_name' => 'displayName',
+        'rate_per_unit' => 'ratePerUnit',
+        'number_of_units' => 'numberOfUnits',
+        'fixed_amount' => 'fixedAmount',
+        'amount' => 'amount',
+        'is_linked_to_timesheet' => 'isLinkedToTimesheet',
+        'is_average_daily_pay_rate' => 'isAverageDailyPayRate',
+        'is_system_generated' => 'isSystemGenerated'
     ];
 
     /**
@@ -106,7 +133,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_line_id' => 'setEarningsLineId''earnings_rate_id' => 'setEarningsRateId''display_name' => 'setDisplayName''rate_per_unit' => 'setRatePerUnit''number_of_units' => 'setNumberOfUnits''fixed_amount' => 'setFixedAmount''amount' => 'setAmount''is_linked_to_timesheet' => 'setIsLinkedToTimesheet''is_average_daily_pay_rate' => 'setIsAverageDailyPayRate''is_system_generated' => 'setIsSystemGenerated'
+        'earnings_line_id' => 'setEarningsLineId',
+        'earnings_rate_id' => 'setEarningsRateId',
+        'display_name' => 'setDisplayName',
+        'rate_per_unit' => 'setRatePerUnit',
+        'number_of_units' => 'setNumberOfUnits',
+        'fixed_amount' => 'setFixedAmount',
+        'amount' => 'setAmount',
+        'is_linked_to_timesheet' => 'setIsLinkedToTimesheet',
+        'is_average_daily_pay_rate' => 'setIsAverageDailyPayRate',
+        'is_system_generated' => 'setIsSystemGenerated'
     ];
 
     /**
@@ -115,7 +151,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_line_id' => 'getEarningsLineId''earnings_rate_id' => 'getEarningsRateId''display_name' => 'getDisplayName''rate_per_unit' => 'getRatePerUnit''number_of_units' => 'getNumberOfUnits''fixed_amount' => 'getFixedAmount''amount' => 'getAmount''is_linked_to_timesheet' => 'getIsLinkedToTimesheet''is_average_daily_pay_rate' => 'getIsAverageDailyPayRate''is_system_generated' => 'getIsSystemGenerated'
+        'earnings_line_id' => 'getEarningsLineId',
+        'earnings_rate_id' => 'getEarningsRateId',
+        'display_name' => 'getDisplayName',
+        'rate_per_unit' => 'getRatePerUnit',
+        'number_of_units' => 'getNumberOfUnits',
+        'fixed_amount' => 'getFixedAmount',
+        'amount' => 'getAmount',
+        'is_linked_to_timesheet' => 'getIsLinkedToTimesheet',
+        'is_average_daily_pay_rate' => 'getIsAverageDailyPayRate',
+        'is_system_generated' => 'getIsSystemGenerated'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EarningsOrder.php b/lib/Models/PayrollNz/EarningsOrder.php
index c765db0b..86f4689c 100644
--- a/lib/Models/PayrollNz/EarningsOrder.php
+++ b/lib/Models/PayrollNz/EarningsOrder.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class EarningsOrder implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'id' => 'string''name' => 'string''statutory_deduction_category' => '\XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeductionCategory''liability_account_id' => 'string''current_record' => 'bool'
+        'id' => 'string',
+        'name' => 'string',
+        'statutory_deduction_category' => '\XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeductionCategory',
+        'liability_account_id' => 'string',
+        'current_record' => 'bool'
     ];
 
     /**
@@ -67,7 +71,11 @@ class EarningsOrder implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'id' => 'uuid''name' => null'statutory_deduction_category' => null'liability_account_id' => 'uuid''current_record' => null
+        'id' => 'uuid',
+        'name' => null,
+        'statutory_deduction_category' => null,
+        'liability_account_id' => 'uuid',
+        'current_record' => null
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'id' => 'id''name' => 'name''statutory_deduction_category' => 'statutoryDeductionCategory''liability_account_id' => 'liabilityAccountId''current_record' => 'currentRecord'
+        'id' => 'id',
+        'name' => 'name',
+        'statutory_deduction_category' => 'statutoryDeductionCategory',
+        'liability_account_id' => 'liabilityAccountId',
+        'current_record' => 'currentRecord'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'id' => 'setId''name' => 'setName''statutory_deduction_category' => 'setStatutoryDeductionCategory''liability_account_id' => 'setLiabilityAccountId''current_record' => 'setCurrentRecord'
+        'id' => 'setId',
+        'name' => 'setName',
+        'statutory_deduction_category' => 'setStatutoryDeductionCategory',
+        'liability_account_id' => 'setLiabilityAccountId',
+        'current_record' => 'setCurrentRecord'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'id' => 'getId''name' => 'getName''statutory_deduction_category' => 'getStatutoryDeductionCategory''liability_account_id' => 'getLiabilityAccountId''current_record' => 'getCurrentRecord'
+        'id' => 'getId',
+        'name' => 'getName',
+        'statutory_deduction_category' => 'getStatutoryDeductionCategory',
+        'liability_account_id' => 'getLiabilityAccountId',
+        'current_record' => 'getCurrentRecord'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EarningsOrderObject.php b/lib/Models/PayrollNz/EarningsOrderObject.php
index 5e3617cc..5c8ad051 100644
--- a/lib/Models/PayrollNz/EarningsOrderObject.php
+++ b/lib/Models/PayrollNz/EarningsOrderObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EarningsOrderObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''statutory_deduction' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsOrder'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'statutory_deduction' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsOrder'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EarningsOrderObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'statutory_deduction' => null
+        'pagination' => null,
+        'problem' => null,
+        'statutory_deduction' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''statutory_deduction' => 'statutoryDeduction'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'statutory_deduction' => 'statutoryDeduction'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''statutory_deduction' => 'setStatutoryDeduction'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'statutory_deduction' => 'setStatutoryDeduction'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''statutory_deduction' => 'getStatutoryDeduction'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'statutory_deduction' => 'getStatutoryDeduction'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EarningsOrders.php b/lib/Models/PayrollNz/EarningsOrders.php
index 519c4362..23f8769e 100644
--- a/lib/Models/PayrollNz/EarningsOrders.php
+++ b/lib/Models/PayrollNz/EarningsOrders.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EarningsOrders implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''statutory_deductions' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsOrder[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'statutory_deductions' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsOrder[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EarningsOrders implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'statutory_deductions' => null
+        'pagination' => null,
+        'problem' => null,
+        'statutory_deductions' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''statutory_deductions' => 'statutoryDeductions'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'statutory_deductions' => 'statutoryDeductions'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''statutory_deductions' => 'setStatutoryDeductions'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'statutory_deductions' => 'setStatutoryDeductions'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''statutory_deductions' => 'getStatutoryDeductions'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'statutory_deductions' => 'getStatutoryDeductions'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EarningsRate.php b/lib/Models/PayrollNz/EarningsRate.php
index 0f8175fd..a8bb6402 100644
--- a/lib/Models/PayrollNz/EarningsRate.php
+++ b/lib/Models/PayrollNz/EarningsRate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,16 @@ class EarningsRate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_rate_id' => 'string''name' => 'string''earnings_type' => 'string''rate_type' => 'string''type_of_units' => 'string''current_record' => 'bool''expense_account_id' => 'string''rate_per_unit' => 'double''multiple_of_ordinary_earnings_rate' => 'double''fixed_amount' => 'double'
+        'earnings_rate_id' => 'string',
+        'name' => 'string',
+        'earnings_type' => 'string',
+        'rate_type' => 'string',
+        'type_of_units' => 'string',
+        'current_record' => 'bool',
+        'expense_account_id' => 'string',
+        'rate_per_unit' => 'double',
+        'multiple_of_ordinary_earnings_rate' => 'double',
+        'fixed_amount' => 'double'
     ];
 
     /**
@@ -67,7 +76,16 @@ class EarningsRate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_rate_id' => 'uuid''name' => null'earnings_type' => null'rate_type' => null'type_of_units' => null'current_record' => null'expense_account_id' => 'uuid''rate_per_unit' => 'double''multiple_of_ordinary_earnings_rate' => 'double''fixed_amount' => 'double'
+        'earnings_rate_id' => 'uuid',
+        'name' => null,
+        'earnings_type' => null,
+        'rate_type' => null,
+        'type_of_units' => null,
+        'current_record' => null,
+        'expense_account_id' => 'uuid',
+        'rate_per_unit' => 'double',
+        'multiple_of_ordinary_earnings_rate' => 'double',
+        'fixed_amount' => 'double'
     ];
 
     /**
@@ -97,7 +115,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_rate_id' => 'earningsRateID''name' => 'name''earnings_type' => 'earningsType''rate_type' => 'rateType''type_of_units' => 'typeOfUnits''current_record' => 'currentRecord''expense_account_id' => 'expenseAccountID''rate_per_unit' => 'ratePerUnit''multiple_of_ordinary_earnings_rate' => 'multipleOfOrdinaryEarningsRate''fixed_amount' => 'fixedAmount'
+        'earnings_rate_id' => 'earningsRateID',
+        'name' => 'name',
+        'earnings_type' => 'earningsType',
+        'rate_type' => 'rateType',
+        'type_of_units' => 'typeOfUnits',
+        'current_record' => 'currentRecord',
+        'expense_account_id' => 'expenseAccountID',
+        'rate_per_unit' => 'ratePerUnit',
+        'multiple_of_ordinary_earnings_rate' => 'multipleOfOrdinaryEarningsRate',
+        'fixed_amount' => 'fixedAmount'
     ];
 
     /**
@@ -106,7 +133,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_rate_id' => 'setEarningsRateId''name' => 'setName''earnings_type' => 'setEarningsType''rate_type' => 'setRateType''type_of_units' => 'setTypeOfUnits''current_record' => 'setCurrentRecord''expense_account_id' => 'setExpenseAccountId''rate_per_unit' => 'setRatePerUnit''multiple_of_ordinary_earnings_rate' => 'setMultipleOfOrdinaryEarningsRate''fixed_amount' => 'setFixedAmount'
+        'earnings_rate_id' => 'setEarningsRateId',
+        'name' => 'setName',
+        'earnings_type' => 'setEarningsType',
+        'rate_type' => 'setRateType',
+        'type_of_units' => 'setTypeOfUnits',
+        'current_record' => 'setCurrentRecord',
+        'expense_account_id' => 'setExpenseAccountId',
+        'rate_per_unit' => 'setRatePerUnit',
+        'multiple_of_ordinary_earnings_rate' => 'setMultipleOfOrdinaryEarningsRate',
+        'fixed_amount' => 'setFixedAmount'
     ];
 
     /**
@@ -115,7 +151,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_rate_id' => 'getEarningsRateId''name' => 'getName''earnings_type' => 'getEarningsType''rate_type' => 'getRateType''type_of_units' => 'getTypeOfUnits''current_record' => 'getCurrentRecord''expense_account_id' => 'getExpenseAccountId''rate_per_unit' => 'getRatePerUnit''multiple_of_ordinary_earnings_rate' => 'getMultipleOfOrdinaryEarningsRate''fixed_amount' => 'getFixedAmount'
+        'earnings_rate_id' => 'getEarningsRateId',
+        'name' => 'getName',
+        'earnings_type' => 'getEarningsType',
+        'rate_type' => 'getRateType',
+        'type_of_units' => 'getTypeOfUnits',
+        'current_record' => 'getCurrentRecord',
+        'expense_account_id' => 'getExpenseAccountId',
+        'rate_per_unit' => 'getRatePerUnit',
+        'multiple_of_ordinary_earnings_rate' => 'getMultipleOfOrdinaryEarningsRate',
+        'fixed_amount' => 'getFixedAmount'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EarningsRateObject.php b/lib/Models/PayrollNz/EarningsRateObject.php
index 6280608f..9d5e335f 100644
--- a/lib/Models/PayrollNz/EarningsRateObject.php
+++ b/lib/Models/PayrollNz/EarningsRateObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EarningsRateObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''earnings_rate' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsRate'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'earnings_rate' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsRate'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EarningsRateObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'earnings_rate' => null
+        'pagination' => null,
+        'problem' => null,
+        'earnings_rate' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''earnings_rate' => 'earningsRate'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'earnings_rate' => 'earningsRate'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''earnings_rate' => 'setEarningsRate'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'earnings_rate' => 'setEarningsRate'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''earnings_rate' => 'getEarningsRate'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'earnings_rate' => 'getEarningsRate'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EarningsRates.php b/lib/Models/PayrollNz/EarningsRates.php
index 9938256e..5814b00b 100644
--- a/lib/Models/PayrollNz/EarningsRates.php
+++ b/lib/Models/PayrollNz/EarningsRates.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EarningsRates implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''earnings_rates' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsRate[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'earnings_rates' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsRate[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EarningsRates implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'earnings_rates' => null
+        'pagination' => null,
+        'problem' => null,
+        'earnings_rates' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''earnings_rates' => 'earningsRates'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'earnings_rates' => 'earningsRates'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''earnings_rates' => 'setEarningsRates'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'earnings_rates' => 'setEarningsRates'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''earnings_rates' => 'getEarningsRates'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'earnings_rates' => 'getEarningsRates'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EarningsTemplate.php b/lib/Models/PayrollNz/EarningsTemplate.php
index 9e792cc0..453f1428 100644
--- a/lib/Models/PayrollNz/EarningsTemplate.php
+++ b/lib/Models/PayrollNz/EarningsTemplate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class EarningsTemplate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pay_template_earning_id' => 'string''rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''earnings_rate_id' => 'string''name' => 'string'
+        'pay_template_earning_id' => 'string',
+        'rate_per_unit' => 'double',
+        'number_of_units' => 'double',
+        'fixed_amount' => 'double',
+        'earnings_rate_id' => 'string',
+        'name' => 'string'
     ];
 
     /**
@@ -67,7 +72,12 @@ class EarningsTemplate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pay_template_earning_id' => 'uuid''rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''earnings_rate_id' => 'uuid''name' => null
+        'pay_template_earning_id' => 'uuid',
+        'rate_per_unit' => 'double',
+        'number_of_units' => 'double',
+        'fixed_amount' => 'double',
+        'earnings_rate_id' => 'uuid',
+        'name' => null
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pay_template_earning_id' => 'payTemplateEarningID''rate_per_unit' => 'ratePerUnit''number_of_units' => 'numberOfUnits''fixed_amount' => 'fixedAmount''earnings_rate_id' => 'earningsRateID''name' => 'name'
+        'pay_template_earning_id' => 'payTemplateEarningID',
+        'rate_per_unit' => 'ratePerUnit',
+        'number_of_units' => 'numberOfUnits',
+        'fixed_amount' => 'fixedAmount',
+        'earnings_rate_id' => 'earningsRateID',
+        'name' => 'name'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pay_template_earning_id' => 'setPayTemplateEarningId''rate_per_unit' => 'setRatePerUnit''number_of_units' => 'setNumberOfUnits''fixed_amount' => 'setFixedAmount''earnings_rate_id' => 'setEarningsRateId''name' => 'setName'
+        'pay_template_earning_id' => 'setPayTemplateEarningId',
+        'rate_per_unit' => 'setRatePerUnit',
+        'number_of_units' => 'setNumberOfUnits',
+        'fixed_amount' => 'setFixedAmount',
+        'earnings_rate_id' => 'setEarningsRateId',
+        'name' => 'setName'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pay_template_earning_id' => 'getPayTemplateEarningId''rate_per_unit' => 'getRatePerUnit''number_of_units' => 'getNumberOfUnits''fixed_amount' => 'getFixedAmount''earnings_rate_id' => 'getEarningsRateId''name' => 'getName'
+        'pay_template_earning_id' => 'getPayTemplateEarningId',
+        'rate_per_unit' => 'getRatePerUnit',
+        'number_of_units' => 'getNumberOfUnits',
+        'fixed_amount' => 'getFixedAmount',
+        'earnings_rate_id' => 'getEarningsRateId',
+        'name' => 'getName'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EarningsTemplateObject.php b/lib/Models/PayrollNz/EarningsTemplateObject.php
index 27ccab37..a3386b4d 100644
--- a/lib/Models/PayrollNz/EarningsTemplateObject.php
+++ b/lib/Models/PayrollNz/EarningsTemplateObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EarningsTemplateObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''earning_template' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplate'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'earning_template' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplate'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EarningsTemplateObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'earning_template' => null
+        'pagination' => null,
+        'problem' => null,
+        'earning_template' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''earning_template' => 'earningTemplate'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'earning_template' => 'earningTemplate'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''earning_template' => 'setEarningTemplate'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'earning_template' => 'setEarningTemplate'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''earning_template' => 'getEarningTemplate'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'earning_template' => 'getEarningTemplate'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/Employee.php b/lib/Models/PayrollNz/Employee.php
index 7978e3fe..a5b2b974 100644
--- a/lib/Models/PayrollNz/Employee.php
+++ b/lib/Models/PayrollNz/Employee.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,20 @@ class Employee implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'employee_id' => 'string''title' => 'string''first_name' => 'string''last_name' => 'string''date_of_birth' => '\DateTime''address' => '\XeroAPI\XeroPHP\Models\PayrollNz\Address''email' => 'string''gender' => 'string''phone_number' => 'string''start_date' => '\DateTime''end_date' => '\DateTime''payroll_calendar_id' => 'string''updated_date_utc' => '\DateTime''created_date_utc' => '\DateTime'
+        'employee_id' => 'string',
+        'title' => 'string',
+        'first_name' => 'string',
+        'last_name' => 'string',
+        'date_of_birth' => '\DateTime',
+        'address' => '\XeroAPI\XeroPHP\Models\PayrollNz\Address',
+        'email' => 'string',
+        'gender' => 'string',
+        'phone_number' => 'string',
+        'start_date' => '\DateTime',
+        'end_date' => '\DateTime',
+        'payroll_calendar_id' => 'string',
+        'updated_date_utc' => '\DateTime',
+        'created_date_utc' => '\DateTime'
     ];
 
     /**
@@ -67,7 +80,20 @@ class Employee implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'employee_id' => 'uuid''title' => null'first_name' => null'last_name' => null'date_of_birth' => 'date''address' => null'email' => null'gender' => null'phone_number' => null'start_date' => 'date''end_date' => 'date''payroll_calendar_id' => 'uuid''updated_date_utc' => 'date-time''created_date_utc' => 'date-time'
+        'employee_id' => 'uuid',
+        'title' => null,
+        'first_name' => null,
+        'last_name' => null,
+        'date_of_birth' => 'date',
+        'address' => null,
+        'email' => null,
+        'gender' => null,
+        'phone_number' => null,
+        'start_date' => 'date',
+        'end_date' => 'date',
+        'payroll_calendar_id' => 'uuid',
+        'updated_date_utc' => 'date-time',
+        'created_date_utc' => 'date-time'
     ];
 
     /**
@@ -97,7 +123,20 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'employee_id' => 'employeeID''title' => 'title''first_name' => 'firstName''last_name' => 'lastName''date_of_birth' => 'dateOfBirth''address' => 'address''email' => 'email''gender' => 'gender''phone_number' => 'phoneNumber''start_date' => 'startDate''end_date' => 'endDate''payroll_calendar_id' => 'payrollCalendarID''updated_date_utc' => 'updatedDateUTC''created_date_utc' => 'createdDateUTC'
+        'employee_id' => 'employeeID',
+        'title' => 'title',
+        'first_name' => 'firstName',
+        'last_name' => 'lastName',
+        'date_of_birth' => 'dateOfBirth',
+        'address' => 'address',
+        'email' => 'email',
+        'gender' => 'gender',
+        'phone_number' => 'phoneNumber',
+        'start_date' => 'startDate',
+        'end_date' => 'endDate',
+        'payroll_calendar_id' => 'payrollCalendarID',
+        'updated_date_utc' => 'updatedDateUTC',
+        'created_date_utc' => 'createdDateUTC'
     ];
 
     /**
@@ -106,7 +145,20 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'employee_id' => 'setEmployeeId''title' => 'setTitle''first_name' => 'setFirstName''last_name' => 'setLastName''date_of_birth' => 'setDateOfBirth''address' => 'setAddress''email' => 'setEmail''gender' => 'setGender''phone_number' => 'setPhoneNumber''start_date' => 'setStartDate''end_date' => 'setEndDate''payroll_calendar_id' => 'setPayrollCalendarId''updated_date_utc' => 'setUpdatedDateUtc''created_date_utc' => 'setCreatedDateUtc'
+        'employee_id' => 'setEmployeeId',
+        'title' => 'setTitle',
+        'first_name' => 'setFirstName',
+        'last_name' => 'setLastName',
+        'date_of_birth' => 'setDateOfBirth',
+        'address' => 'setAddress',
+        'email' => 'setEmail',
+        'gender' => 'setGender',
+        'phone_number' => 'setPhoneNumber',
+        'start_date' => 'setStartDate',
+        'end_date' => 'setEndDate',
+        'payroll_calendar_id' => 'setPayrollCalendarId',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'created_date_utc' => 'setCreatedDateUtc'
     ];
 
     /**
@@ -115,7 +167,20 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'employee_id' => 'getEmployeeId''title' => 'getTitle''first_name' => 'getFirstName''last_name' => 'getLastName''date_of_birth' => 'getDateOfBirth''address' => 'getAddress''email' => 'getEmail''gender' => 'getGender''phone_number' => 'getPhoneNumber''start_date' => 'getStartDate''end_date' => 'getEndDate''payroll_calendar_id' => 'getPayrollCalendarId''updated_date_utc' => 'getUpdatedDateUtc''created_date_utc' => 'getCreatedDateUtc'
+        'employee_id' => 'getEmployeeId',
+        'title' => 'getTitle',
+        'first_name' => 'getFirstName',
+        'last_name' => 'getLastName',
+        'date_of_birth' => 'getDateOfBirth',
+        'address' => 'getAddress',
+        'email' => 'getEmail',
+        'gender' => 'getGender',
+        'phone_number' => 'getPhoneNumber',
+        'start_date' => 'getStartDate',
+        'end_date' => 'getEndDate',
+        'payroll_calendar_id' => 'getPayrollCalendarId',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'created_date_utc' => 'getCreatedDateUtc'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EmployeeEarningsTemplates.php b/lib/Models/PayrollNz/EmployeeEarningsTemplates.php
index 809a9b56..5b2c69c9 100644
--- a/lib/Models/PayrollNz/EmployeeEarningsTemplates.php
+++ b/lib/Models/PayrollNz/EmployeeEarningsTemplates.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeEarningsTemplates implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''earning_templates' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplate[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'earning_templates' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplate[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeEarningsTemplates implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'earning_templates' => null
+        'pagination' => null,
+        'problem' => null,
+        'earning_templates' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''earning_templates' => 'earningTemplates'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'earning_templates' => 'earningTemplates'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''earning_templates' => 'setEarningTemplates'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'earning_templates' => 'setEarningTemplates'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''earning_templates' => 'getEarningTemplates'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'earning_templates' => 'getEarningTemplates'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EmployeeLeave.php b/lib/Models/PayrollNz/EmployeeLeave.php
index 08c16ec1..ce5cd0ab 100644
--- a/lib/Models/PayrollNz/EmployeeLeave.php
+++ b/lib/Models/PayrollNz/EmployeeLeave.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,13 @@ class EmployeeLeave implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_id' => 'string''leave_type_id' => 'string''description' => 'string''start_date' => '\DateTime''end_date' => '\DateTime''periods' => '\XeroAPI\XeroPHP\Models\PayrollNz\LeavePeriod[]''updated_date_utc' => '\DateTime'
+        'leave_id' => 'string',
+        'leave_type_id' => 'string',
+        'description' => 'string',
+        'start_date' => '\DateTime',
+        'end_date' => '\DateTime',
+        'periods' => '\XeroAPI\XeroPHP\Models\PayrollNz\LeavePeriod[]',
+        'updated_date_utc' => '\DateTime'
     ];
 
     /**
@@ -67,7 +73,13 @@ class EmployeeLeave implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_id' => 'uuid''leave_type_id' => 'uuid''description' => null'start_date' => 'date''end_date' => 'date''periods' => null'updated_date_utc' => 'date-time'
+        'leave_id' => 'uuid',
+        'leave_type_id' => 'uuid',
+        'description' => null,
+        'start_date' => 'date',
+        'end_date' => 'date',
+        'periods' => null,
+        'updated_date_utc' => 'date-time'
     ];
 
     /**
@@ -97,7 +109,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_id' => 'leaveID''leave_type_id' => 'leaveTypeID''description' => 'description''start_date' => 'startDate''end_date' => 'endDate''periods' => 'periods''updated_date_utc' => 'updatedDateUTC'
+        'leave_id' => 'leaveID',
+        'leave_type_id' => 'leaveTypeID',
+        'description' => 'description',
+        'start_date' => 'startDate',
+        'end_date' => 'endDate',
+        'periods' => 'periods',
+        'updated_date_utc' => 'updatedDateUTC'
     ];
 
     /**
@@ -106,7 +124,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_id' => 'setLeaveId''leave_type_id' => 'setLeaveTypeId''description' => 'setDescription''start_date' => 'setStartDate''end_date' => 'setEndDate''periods' => 'setPeriods''updated_date_utc' => 'setUpdatedDateUtc'
+        'leave_id' => 'setLeaveId',
+        'leave_type_id' => 'setLeaveTypeId',
+        'description' => 'setDescription',
+        'start_date' => 'setStartDate',
+        'end_date' => 'setEndDate',
+        'periods' => 'setPeriods',
+        'updated_date_utc' => 'setUpdatedDateUtc'
     ];
 
     /**
@@ -115,7 +139,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_id' => 'getLeaveId''leave_type_id' => 'getLeaveTypeId''description' => 'getDescription''start_date' => 'getStartDate''end_date' => 'getEndDate''periods' => 'getPeriods''updated_date_utc' => 'getUpdatedDateUtc'
+        'leave_id' => 'getLeaveId',
+        'leave_type_id' => 'getLeaveTypeId',
+        'description' => 'getDescription',
+        'start_date' => 'getStartDate',
+        'end_date' => 'getEndDate',
+        'periods' => 'getPeriods',
+        'updated_date_utc' => 'getUpdatedDateUtc'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EmployeeLeaveBalance.php b/lib/Models/PayrollNz/EmployeeLeaveBalance.php
index 1c83379a..03861f65 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveBalance.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveBalance.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class EmployeeLeaveBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string''leave_type_id' => 'string''balance' => 'double''type_of_units' => 'string'
+        'name' => 'string',
+        'leave_type_id' => 'string',
+        'balance' => 'double',
+        'type_of_units' => 'string'
     ];
 
     /**
@@ -67,7 +70,10 @@ class EmployeeLeaveBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null'leave_type_id' => 'uuid''balance' => 'double''type_of_units' => null
+        'name' => null,
+        'leave_type_id' => 'uuid',
+        'balance' => 'double',
+        'type_of_units' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'name''leave_type_id' => 'leaveTypeID''balance' => 'balance''type_of_units' => 'typeOfUnits'
+        'name' => 'name',
+        'leave_type_id' => 'leaveTypeID',
+        'balance' => 'balance',
+        'type_of_units' => 'typeOfUnits'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName''leave_type_id' => 'setLeaveTypeId''balance' => 'setBalance''type_of_units' => 'setTypeOfUnits'
+        'name' => 'setName',
+        'leave_type_id' => 'setLeaveTypeId',
+        'balance' => 'setBalance',
+        'type_of_units' => 'setTypeOfUnits'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName''leave_type_id' => 'getLeaveTypeId''balance' => 'getBalance''type_of_units' => 'getTypeOfUnits'
+        'name' => 'getName',
+        'leave_type_id' => 'getLeaveTypeId',
+        'balance' => 'getBalance',
+        'type_of_units' => 'getTypeOfUnits'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EmployeeLeaveBalances.php b/lib/Models/PayrollNz/EmployeeLeaveBalances.php
index 8482e65f..b3f6cb7c 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveBalances.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveBalances.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeLeaveBalances implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''leave_balances' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveBalance[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'leave_balances' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveBalance[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeLeaveBalances implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'leave_balances' => null
+        'pagination' => null,
+        'problem' => null,
+        'leave_balances' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''leave_balances' => 'leaveBalances'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'leave_balances' => 'leaveBalances'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''leave_balances' => 'setLeaveBalances'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'leave_balances' => 'setLeaveBalances'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''leave_balances' => 'getLeaveBalances'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'leave_balances' => 'getLeaveBalances'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EmployeeLeaveObject.php b/lib/Models/PayrollNz/EmployeeLeaveObject.php
index b4cf87e6..509f552e 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveObject.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeLeaveObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''leave' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeave'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'leave' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeave'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeLeaveObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'leave' => null
+        'pagination' => null,
+        'problem' => null,
+        'leave' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''leave' => 'leave'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'leave' => 'leave'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''leave' => 'setLeave'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'leave' => 'setLeave'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''leave' => 'getLeave'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'leave' => 'getLeave'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EmployeeLeaveSetup.php b/lib/Models/PayrollNz/EmployeeLeaveSetup.php
index 8939cf7a..9625926c 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveSetup.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveSetup.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,13 @@ class EmployeeLeaveSetup implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'include_holiday_pay' => 'bool''holiday_pay_opening_balance' => 'double''annual_leave_opening_balance' => 'double''negative_annual_leave_balance_paid_amount' => 'double''sick_leave_hours_to_accrue_annually' => 'double''sick_leave_maximum_hours_to_accrue' => 'double''sick_leave_opening_balance' => 'double'
+        'include_holiday_pay' => 'bool',
+        'holiday_pay_opening_balance' => 'double',
+        'annual_leave_opening_balance' => 'double',
+        'negative_annual_leave_balance_paid_amount' => 'double',
+        'sick_leave_hours_to_accrue_annually' => 'double',
+        'sick_leave_maximum_hours_to_accrue' => 'double',
+        'sick_leave_opening_balance' => 'double'
     ];
 
     /**
@@ -67,7 +73,13 @@ class EmployeeLeaveSetup implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'include_holiday_pay' => null'holiday_pay_opening_balance' => 'double''annual_leave_opening_balance' => 'double''negative_annual_leave_balance_paid_amount' => 'double''sick_leave_hours_to_accrue_annually' => 'double''sick_leave_maximum_hours_to_accrue' => 'double''sick_leave_opening_balance' => 'double'
+        'include_holiday_pay' => null,
+        'holiday_pay_opening_balance' => 'double',
+        'annual_leave_opening_balance' => 'double',
+        'negative_annual_leave_balance_paid_amount' => 'double',
+        'sick_leave_hours_to_accrue_annually' => 'double',
+        'sick_leave_maximum_hours_to_accrue' => 'double',
+        'sick_leave_opening_balance' => 'double'
     ];
 
     /**
@@ -97,7 +109,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'include_holiday_pay' => 'includeHolidayPay''holiday_pay_opening_balance' => 'holidayPayOpeningBalance''annual_leave_opening_balance' => 'annualLeaveOpeningBalance''negative_annual_leave_balance_paid_amount' => 'negativeAnnualLeaveBalancePaidAmount''sick_leave_hours_to_accrue_annually' => 'sickLeaveHoursToAccrueAnnually''sick_leave_maximum_hours_to_accrue' => 'sickLeaveMaximumHoursToAccrue''sick_leave_opening_balance' => 'sickLeaveOpeningBalance'
+        'include_holiday_pay' => 'includeHolidayPay',
+        'holiday_pay_opening_balance' => 'holidayPayOpeningBalance',
+        'annual_leave_opening_balance' => 'annualLeaveOpeningBalance',
+        'negative_annual_leave_balance_paid_amount' => 'negativeAnnualLeaveBalancePaidAmount',
+        'sick_leave_hours_to_accrue_annually' => 'sickLeaveHoursToAccrueAnnually',
+        'sick_leave_maximum_hours_to_accrue' => 'sickLeaveMaximumHoursToAccrue',
+        'sick_leave_opening_balance' => 'sickLeaveOpeningBalance'
     ];
 
     /**
@@ -106,7 +124,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'include_holiday_pay' => 'setIncludeHolidayPay''holiday_pay_opening_balance' => 'setHolidayPayOpeningBalance''annual_leave_opening_balance' => 'setAnnualLeaveOpeningBalance''negative_annual_leave_balance_paid_amount' => 'setNegativeAnnualLeaveBalancePaidAmount''sick_leave_hours_to_accrue_annually' => 'setSickLeaveHoursToAccrueAnnually''sick_leave_maximum_hours_to_accrue' => 'setSickLeaveMaximumHoursToAccrue''sick_leave_opening_balance' => 'setSickLeaveOpeningBalance'
+        'include_holiday_pay' => 'setIncludeHolidayPay',
+        'holiday_pay_opening_balance' => 'setHolidayPayOpeningBalance',
+        'annual_leave_opening_balance' => 'setAnnualLeaveOpeningBalance',
+        'negative_annual_leave_balance_paid_amount' => 'setNegativeAnnualLeaveBalancePaidAmount',
+        'sick_leave_hours_to_accrue_annually' => 'setSickLeaveHoursToAccrueAnnually',
+        'sick_leave_maximum_hours_to_accrue' => 'setSickLeaveMaximumHoursToAccrue',
+        'sick_leave_opening_balance' => 'setSickLeaveOpeningBalance'
     ];
 
     /**
@@ -115,7 +139,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'include_holiday_pay' => 'getIncludeHolidayPay''holiday_pay_opening_balance' => 'getHolidayPayOpeningBalance''annual_leave_opening_balance' => 'getAnnualLeaveOpeningBalance''negative_annual_leave_balance_paid_amount' => 'getNegativeAnnualLeaveBalancePaidAmount''sick_leave_hours_to_accrue_annually' => 'getSickLeaveHoursToAccrueAnnually''sick_leave_maximum_hours_to_accrue' => 'getSickLeaveMaximumHoursToAccrue''sick_leave_opening_balance' => 'getSickLeaveOpeningBalance'
+        'include_holiday_pay' => 'getIncludeHolidayPay',
+        'holiday_pay_opening_balance' => 'getHolidayPayOpeningBalance',
+        'annual_leave_opening_balance' => 'getAnnualLeaveOpeningBalance',
+        'negative_annual_leave_balance_paid_amount' => 'getNegativeAnnualLeaveBalancePaidAmount',
+        'sick_leave_hours_to_accrue_annually' => 'getSickLeaveHoursToAccrueAnnually',
+        'sick_leave_maximum_hours_to_accrue' => 'getSickLeaveMaximumHoursToAccrue',
+        'sick_leave_opening_balance' => 'getSickLeaveOpeningBalance'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EmployeeLeaveSetupObject.php b/lib/Models/PayrollNz/EmployeeLeaveSetupObject.php
index 39aba8bd..54ca4f47 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveSetupObject.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveSetupObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeLeaveSetupObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''leave_setup' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveSetup'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'leave_setup' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveSetup'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeLeaveSetupObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'leave_setup' => null
+        'pagination' => null,
+        'problem' => null,
+        'leave_setup' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''leave_setup' => 'leaveSetup'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'leave_setup' => 'leaveSetup'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''leave_setup' => 'setLeaveSetup'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'leave_setup' => 'setLeaveSetup'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''leave_setup' => 'getLeaveSetup'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'leave_setup' => 'getLeaveSetup'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EmployeeLeaveType.php b/lib/Models/PayrollNz/EmployeeLeaveType.php
index 76326492..9e575acd 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveType.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,16 @@ class EmployeeLeaveType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_type_id' => 'string''schedule_of_accrual' => 'string''hours_accrued_annually' => 'double''maximum_to_accrue' => 'double''opening_balance' => 'double''rate_accrued_hourly' => 'double''percentage_of_gross_earnings' => 'double''include_holiday_pay_every_pay' => 'bool''show_annual_leave_in_advance' => 'bool''annual_leave_total_amount_paid' => 'double'
+        'leave_type_id' => 'string',
+        'schedule_of_accrual' => 'string',
+        'hours_accrued_annually' => 'double',
+        'maximum_to_accrue' => 'double',
+        'opening_balance' => 'double',
+        'rate_accrued_hourly' => 'double',
+        'percentage_of_gross_earnings' => 'double',
+        'include_holiday_pay_every_pay' => 'bool',
+        'show_annual_leave_in_advance' => 'bool',
+        'annual_leave_total_amount_paid' => 'double'
     ];
 
     /**
@@ -67,7 +76,16 @@ class EmployeeLeaveType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_type_id' => 'uuid''schedule_of_accrual' => null'hours_accrued_annually' => 'double''maximum_to_accrue' => 'double''opening_balance' => 'double''rate_accrued_hourly' => 'double''percentage_of_gross_earnings' => 'double''include_holiday_pay_every_pay' => null'show_annual_leave_in_advance' => null'annual_leave_total_amount_paid' => 'double'
+        'leave_type_id' => 'uuid',
+        'schedule_of_accrual' => null,
+        'hours_accrued_annually' => 'double',
+        'maximum_to_accrue' => 'double',
+        'opening_balance' => 'double',
+        'rate_accrued_hourly' => 'double',
+        'percentage_of_gross_earnings' => 'double',
+        'include_holiday_pay_every_pay' => null,
+        'show_annual_leave_in_advance' => null,
+        'annual_leave_total_amount_paid' => 'double'
     ];
 
     /**
@@ -97,7 +115,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_type_id' => 'leaveTypeID''schedule_of_accrual' => 'scheduleOfAccrual''hours_accrued_annually' => 'hoursAccruedAnnually''maximum_to_accrue' => 'maximumToAccrue''opening_balance' => 'openingBalance''rate_accrued_hourly' => 'rateAccruedHourly''percentage_of_gross_earnings' => 'percentageOfGrossEarnings''include_holiday_pay_every_pay' => 'includeHolidayPayEveryPay''show_annual_leave_in_advance' => 'showAnnualLeaveInAdvance''annual_leave_total_amount_paid' => 'annualLeaveTotalAmountPaid'
+        'leave_type_id' => 'leaveTypeID',
+        'schedule_of_accrual' => 'scheduleOfAccrual',
+        'hours_accrued_annually' => 'hoursAccruedAnnually',
+        'maximum_to_accrue' => 'maximumToAccrue',
+        'opening_balance' => 'openingBalance',
+        'rate_accrued_hourly' => 'rateAccruedHourly',
+        'percentage_of_gross_earnings' => 'percentageOfGrossEarnings',
+        'include_holiday_pay_every_pay' => 'includeHolidayPayEveryPay',
+        'show_annual_leave_in_advance' => 'showAnnualLeaveInAdvance',
+        'annual_leave_total_amount_paid' => 'annualLeaveTotalAmountPaid'
     ];
 
     /**
@@ -106,7 +133,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_type_id' => 'setLeaveTypeId''schedule_of_accrual' => 'setScheduleOfAccrual''hours_accrued_annually' => 'setHoursAccruedAnnually''maximum_to_accrue' => 'setMaximumToAccrue''opening_balance' => 'setOpeningBalance''rate_accrued_hourly' => 'setRateAccruedHourly''percentage_of_gross_earnings' => 'setPercentageOfGrossEarnings''include_holiday_pay_every_pay' => 'setIncludeHolidayPayEveryPay''show_annual_leave_in_advance' => 'setShowAnnualLeaveInAdvance''annual_leave_total_amount_paid' => 'setAnnualLeaveTotalAmountPaid'
+        'leave_type_id' => 'setLeaveTypeId',
+        'schedule_of_accrual' => 'setScheduleOfAccrual',
+        'hours_accrued_annually' => 'setHoursAccruedAnnually',
+        'maximum_to_accrue' => 'setMaximumToAccrue',
+        'opening_balance' => 'setOpeningBalance',
+        'rate_accrued_hourly' => 'setRateAccruedHourly',
+        'percentage_of_gross_earnings' => 'setPercentageOfGrossEarnings',
+        'include_holiday_pay_every_pay' => 'setIncludeHolidayPayEveryPay',
+        'show_annual_leave_in_advance' => 'setShowAnnualLeaveInAdvance',
+        'annual_leave_total_amount_paid' => 'setAnnualLeaveTotalAmountPaid'
     ];
 
     /**
@@ -115,7 +151,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_type_id' => 'getLeaveTypeId''schedule_of_accrual' => 'getScheduleOfAccrual''hours_accrued_annually' => 'getHoursAccruedAnnually''maximum_to_accrue' => 'getMaximumToAccrue''opening_balance' => 'getOpeningBalance''rate_accrued_hourly' => 'getRateAccruedHourly''percentage_of_gross_earnings' => 'getPercentageOfGrossEarnings''include_holiday_pay_every_pay' => 'getIncludeHolidayPayEveryPay''show_annual_leave_in_advance' => 'getShowAnnualLeaveInAdvance''annual_leave_total_amount_paid' => 'getAnnualLeaveTotalAmountPaid'
+        'leave_type_id' => 'getLeaveTypeId',
+        'schedule_of_accrual' => 'getScheduleOfAccrual',
+        'hours_accrued_annually' => 'getHoursAccruedAnnually',
+        'maximum_to_accrue' => 'getMaximumToAccrue',
+        'opening_balance' => 'getOpeningBalance',
+        'rate_accrued_hourly' => 'getRateAccruedHourly',
+        'percentage_of_gross_earnings' => 'getPercentageOfGrossEarnings',
+        'include_holiday_pay_every_pay' => 'getIncludeHolidayPayEveryPay',
+        'show_annual_leave_in_advance' => 'getShowAnnualLeaveInAdvance',
+        'annual_leave_total_amount_paid' => 'getAnnualLeaveTotalAmountPaid'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EmployeeLeaveTypeObject.php b/lib/Models/PayrollNz/EmployeeLeaveTypeObject.php
index e3dd56c2..8bdf44d6 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveTypeObject.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveTypeObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeLeaveTypeObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''leave_type' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveType'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'leave_type' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveType'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeLeaveTypeObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'leave_type' => null
+        'pagination' => null,
+        'problem' => null,
+        'leave_type' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''leave_type' => 'leaveType'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'leave_type' => 'leaveType'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''leave_type' => 'setLeaveType'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'leave_type' => 'setLeaveType'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''leave_type' => 'getLeaveType'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'leave_type' => 'getLeaveType'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EmployeeLeaveTypes.php b/lib/Models/PayrollNz/EmployeeLeaveTypes.php
index 5e0b964d..c56ea7ec 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveTypes.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveTypes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeLeaveTypes implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''leave_types' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveType[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'leave_types' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeaveType[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeLeaveTypes implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'leave_types' => null
+        'pagination' => null,
+        'problem' => null,
+        'leave_types' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''leave_types' => 'leaveTypes'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'leave_types' => 'leaveTypes'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''leave_types' => 'setLeaveTypes'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'leave_types' => 'setLeaveTypes'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''leave_types' => 'getLeaveTypes'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'leave_types' => 'getLeaveTypes'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EmployeeLeaves.php b/lib/Models/PayrollNz/EmployeeLeaves.php
index 6a3ba67f..178bde1b 100644
--- a/lib/Models/PayrollNz/EmployeeLeaves.php
+++ b/lib/Models/PayrollNz/EmployeeLeaves.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeLeaves implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''leave' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeave[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'leave' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeLeave[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeLeaves implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'leave' => null
+        'pagination' => null,
+        'problem' => null,
+        'leave' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''leave' => 'leave'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'leave' => 'leave'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''leave' => 'setLeave'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'leave' => 'setLeave'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''leave' => 'getLeave'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'leave' => 'getLeave'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EmployeeObject.php b/lib/Models/PayrollNz/EmployeeObject.php
index e59b2556..388d74e4 100644
--- a/lib/Models/PayrollNz/EmployeeObject.php
+++ b/lib/Models/PayrollNz/EmployeeObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''employee' => '\XeroAPI\XeroPHP\Models\PayrollNz\Employee''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'employee' => '\XeroAPI\XeroPHP\Models\PayrollNz\Employee',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'employee' => null'problem' => null
+        'pagination' => null,
+        'employee' => null,
+        'problem' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''employee' => 'employee''problem' => 'problem'
+        'pagination' => 'pagination',
+        'employee' => 'employee',
+        'problem' => 'problem'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''employee' => 'setEmployee''problem' => 'setProblem'
+        'pagination' => 'setPagination',
+        'employee' => 'setEmployee',
+        'problem' => 'setProblem'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''employee' => 'getEmployee''problem' => 'getProblem'
+        'pagination' => 'getPagination',
+        'employee' => 'getEmployee',
+        'problem' => 'getProblem'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EmployeeOpeningBalance.php b/lib/Models/PayrollNz/EmployeeOpeningBalance.php
index 5567271b..22694c92 100644
--- a/lib/Models/PayrollNz/EmployeeOpeningBalance.php
+++ b/lib/Models/PayrollNz/EmployeeOpeningBalance.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class EmployeeOpeningBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'period_end_date' => '\DateTime''days_paid' => 'int''unpaid_weeks' => 'int''gross_earnings' => 'double'
+        'period_end_date' => '\DateTime',
+        'days_paid' => 'int',
+        'unpaid_weeks' => 'int',
+        'gross_earnings' => 'double'
     ];
 
     /**
@@ -67,7 +70,10 @@ class EmployeeOpeningBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'period_end_date' => 'date''days_paid' => 'int32''unpaid_weeks' => 'int32''gross_earnings' => 'double'
+        'period_end_date' => 'date',
+        'days_paid' => 'int32',
+        'unpaid_weeks' => 'int32',
+        'gross_earnings' => 'double'
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'period_end_date' => 'periodEndDate''days_paid' => 'daysPaid''unpaid_weeks' => 'unpaidWeeks''gross_earnings' => 'grossEarnings'
+        'period_end_date' => 'periodEndDate',
+        'days_paid' => 'daysPaid',
+        'unpaid_weeks' => 'unpaidWeeks',
+        'gross_earnings' => 'grossEarnings'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'period_end_date' => 'setPeriodEndDate''days_paid' => 'setDaysPaid''unpaid_weeks' => 'setUnpaidWeeks''gross_earnings' => 'setGrossEarnings'
+        'period_end_date' => 'setPeriodEndDate',
+        'days_paid' => 'setDaysPaid',
+        'unpaid_weeks' => 'setUnpaidWeeks',
+        'gross_earnings' => 'setGrossEarnings'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'period_end_date' => 'getPeriodEndDate''days_paid' => 'getDaysPaid''unpaid_weeks' => 'getUnpaidWeeks''gross_earnings' => 'getGrossEarnings'
+        'period_end_date' => 'getPeriodEndDate',
+        'days_paid' => 'getDaysPaid',
+        'unpaid_weeks' => 'getUnpaidWeeks',
+        'gross_earnings' => 'getGrossEarnings'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EmployeeOpeningBalancesObject.php b/lib/Models/PayrollNz/EmployeeOpeningBalancesObject.php
index 1456d9d8..add13ec3 100644
--- a/lib/Models/PayrollNz/EmployeeOpeningBalancesObject.php
+++ b/lib/Models/PayrollNz/EmployeeOpeningBalancesObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeOpeningBalancesObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''opening_balances' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeOpeningBalance[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'opening_balances' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeOpeningBalance[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeOpeningBalancesObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'opening_balances' => null
+        'pagination' => null,
+        'problem' => null,
+        'opening_balances' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''opening_balances' => 'openingBalances'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'opening_balances' => 'openingBalances'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''opening_balances' => 'setOpeningBalances'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'opening_balances' => 'setOpeningBalances'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''opening_balances' => 'getOpeningBalances'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'opening_balances' => 'getOpeningBalances'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EmployeePayTemplate.php b/lib/Models/PayrollNz/EmployeePayTemplate.php
index 4b4614b6..e59c2a5f 100644
--- a/lib/Models/PayrollNz/EmployeePayTemplate.php
+++ b/lib/Models/PayrollNz/EmployeePayTemplate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class EmployeePayTemplate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'employee_id' => 'string''earning_templates' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplate[]'
+        'employee_id' => 'string',
+        'earning_templates' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsTemplate[]'
     ];
 
     /**
@@ -67,7 +68,8 @@ class EmployeePayTemplate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'employee_id' => 'uuid''earning_templates' => null
+        'employee_id' => 'uuid',
+        'earning_templates' => null
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'employee_id' => 'employeeID''earning_templates' => 'earningTemplates'
+        'employee_id' => 'employeeID',
+        'earning_templates' => 'earningTemplates'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'employee_id' => 'setEmployeeId''earning_templates' => 'setEarningTemplates'
+        'employee_id' => 'setEmployeeId',
+        'earning_templates' => 'setEarningTemplates'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'employee_id' => 'getEmployeeId''earning_templates' => 'getEarningTemplates'
+        'employee_id' => 'getEmployeeId',
+        'earning_templates' => 'getEarningTemplates'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EmployeePayTemplateObject.php b/lib/Models/PayrollNz/EmployeePayTemplateObject.php
index 93e01cb5..925e26dd 100644
--- a/lib/Models/PayrollNz/EmployeePayTemplateObject.php
+++ b/lib/Models/PayrollNz/EmployeePayTemplateObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeePayTemplateObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''pay_template' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeePayTemplate'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'pay_template' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeePayTemplate'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeePayTemplateObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'pay_template' => null
+        'pagination' => null,
+        'problem' => null,
+        'pay_template' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''pay_template' => 'payTemplate'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'pay_template' => 'payTemplate'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''pay_template' => 'setPayTemplate'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'pay_template' => 'setPayTemplate'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''pay_template' => 'getPayTemplate'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'pay_template' => 'getPayTemplate'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EmployeePayTemplates.php b/lib/Models/PayrollNz/EmployeePayTemplates.php
index 9ed94646..ff4cbf3d 100644
--- a/lib/Models/PayrollNz/EmployeePayTemplates.php
+++ b/lib/Models/PayrollNz/EmployeePayTemplates.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeePayTemplates implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''pay_template' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeePayTemplate'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'pay_template' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeePayTemplate'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeePayTemplates implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'pay_template' => null
+        'pagination' => null,
+        'problem' => null,
+        'pay_template' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''pay_template' => 'payTemplate'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'pay_template' => 'payTemplate'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''pay_template' => 'setPayTemplate'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'pay_template' => 'setPayTemplate'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''pay_template' => 'getPayTemplate'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'pay_template' => 'getPayTemplate'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalance.php b/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalance.php
index 29e36c22..55ce9f31 100644
--- a/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalance.php
+++ b/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalance.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeStatutoryLeaveBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_type' => 'string''balance_remaining' => 'double''units' => 'string'
+        'leave_type' => 'string',
+        'balance_remaining' => 'double',
+        'units' => 'string'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeStatutoryLeaveBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_type' => null'balance_remaining' => 'double''units' => null
+        'leave_type' => null,
+        'balance_remaining' => 'double',
+        'units' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_type' => 'leaveType''balance_remaining' => 'balanceRemaining''units' => 'units'
+        'leave_type' => 'leaveType',
+        'balance_remaining' => 'balanceRemaining',
+        'units' => 'units'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_type' => 'setLeaveType''balance_remaining' => 'setBalanceRemaining''units' => 'setUnits'
+        'leave_type' => 'setLeaveType',
+        'balance_remaining' => 'setBalanceRemaining',
+        'units' => 'setUnits'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_type' => 'getLeaveType''balance_remaining' => 'getBalanceRemaining''units' => 'getUnits'
+        'leave_type' => 'getLeaveType',
+        'balance_remaining' => 'getBalanceRemaining',
+        'units' => 'getUnits'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalanceObject.php b/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalanceObject.php
index 5c81b247..45a9b46e 100644
--- a/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalanceObject.php
+++ b/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalanceObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeStatutoryLeaveBalanceObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''leave_balance' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeStatutoryLeaveBalance'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'leave_balance' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeStatutoryLeaveBalance'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeStatutoryLeaveBalanceObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'leave_balance' => null
+        'pagination' => null,
+        'problem' => null,
+        'leave_balance' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''leave_balance' => 'leaveBalance'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'leave_balance' => 'leaveBalance'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''leave_balance' => 'setLeaveBalance'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'leave_balance' => 'setLeaveBalance'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''leave_balance' => 'getLeaveBalance'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'leave_balance' => 'getLeaveBalance'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EmployeeStatutoryLeaveSummary.php b/lib/Models/PayrollNz/EmployeeStatutoryLeaveSummary.php
index b66297ee..e72ea584 100644
--- a/lib/Models/PayrollNz/EmployeeStatutoryLeaveSummary.php
+++ b/lib/Models/PayrollNz/EmployeeStatutoryLeaveSummary.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,13 @@ class EmployeeStatutoryLeaveSummary implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'statutory_leave_id' => 'string''employee_id' => 'string''type' => 'string''start_date' => '\DateTime''end_date' => '\DateTime''is_entitled' => 'bool''status' => 'string'
+        'statutory_leave_id' => 'string',
+        'employee_id' => 'string',
+        'type' => 'string',
+        'start_date' => '\DateTime',
+        'end_date' => '\DateTime',
+        'is_entitled' => 'bool',
+        'status' => 'string'
     ];
 
     /**
@@ -67,7 +73,13 @@ class EmployeeStatutoryLeaveSummary implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'statutory_leave_id' => 'uuid''employee_id' => 'uuid''type' => null'start_date' => 'date''end_date' => 'date''is_entitled' => null'status' => null
+        'statutory_leave_id' => 'uuid',
+        'employee_id' => 'uuid',
+        'type' => null,
+        'start_date' => 'date',
+        'end_date' => 'date',
+        'is_entitled' => null,
+        'status' => null
     ];
 
     /**
@@ -97,7 +109,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'statutory_leave_id' => 'statutoryLeaveID''employee_id' => 'employeeID''type' => 'type''start_date' => 'startDate''end_date' => 'endDate''is_entitled' => 'isEntitled''status' => 'status'
+        'statutory_leave_id' => 'statutoryLeaveID',
+        'employee_id' => 'employeeID',
+        'type' => 'type',
+        'start_date' => 'startDate',
+        'end_date' => 'endDate',
+        'is_entitled' => 'isEntitled',
+        'status' => 'status'
     ];
 
     /**
@@ -106,7 +124,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'statutory_leave_id' => 'setStatutoryLeaveId''employee_id' => 'setEmployeeId''type' => 'setType''start_date' => 'setStartDate''end_date' => 'setEndDate''is_entitled' => 'setIsEntitled''status' => 'setStatus'
+        'statutory_leave_id' => 'setStatutoryLeaveId',
+        'employee_id' => 'setEmployeeId',
+        'type' => 'setType',
+        'start_date' => 'setStartDate',
+        'end_date' => 'setEndDate',
+        'is_entitled' => 'setIsEntitled',
+        'status' => 'setStatus'
     ];
 
     /**
@@ -115,7 +139,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'statutory_leave_id' => 'getStatutoryLeaveId''employee_id' => 'getEmployeeId''type' => 'getType''start_date' => 'getStartDate''end_date' => 'getEndDate''is_entitled' => 'getIsEntitled''status' => 'getStatus'
+        'statutory_leave_id' => 'getStatutoryLeaveId',
+        'employee_id' => 'getEmployeeId',
+        'type' => 'getType',
+        'start_date' => 'getStartDate',
+        'end_date' => 'getEndDate',
+        'is_entitled' => 'getIsEntitled',
+        'status' => 'getStatus'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EmployeeStatutoryLeavesSummaries.php b/lib/Models/PayrollNz/EmployeeStatutoryLeavesSummaries.php
index 35656503..d16603f4 100644
--- a/lib/Models/PayrollNz/EmployeeStatutoryLeavesSummaries.php
+++ b/lib/Models/PayrollNz/EmployeeStatutoryLeavesSummaries.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeStatutoryLeavesSummaries implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''statutory_leaves' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeStatutoryLeaveSummary[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'statutory_leaves' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeStatutoryLeaveSummary[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeStatutoryLeavesSummaries implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'statutory_leaves' => null
+        'pagination' => null,
+        'problem' => null,
+        'statutory_leaves' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''statutory_leaves' => 'statutoryLeaves'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'statutory_leaves' => 'statutoryLeaves'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''statutory_leaves' => 'setStatutoryLeaves'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'statutory_leaves' => 'setStatutoryLeaves'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''statutory_leaves' => 'getStatutoryLeaves'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'statutory_leaves' => 'getStatutoryLeaves'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EmployeeStatutorySickLeave.php b/lib/Models/PayrollNz/EmployeeStatutorySickLeave.php
index b5bf734d..2a089645 100644
--- a/lib/Models/PayrollNz/EmployeeStatutorySickLeave.php
+++ b/lib/Models/PayrollNz/EmployeeStatutorySickLeave.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,22 @@ class EmployeeStatutorySickLeave implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'statutory_leave_id' => 'string''employee_id' => 'string''leave_type_id' => 'string''start_date' => '\DateTime''end_date' => '\DateTime''type' => 'string''status' => 'string''work_pattern' => 'string[]''is_pregnancy_related' => 'bool''sufficient_notice' => 'bool''is_entitled' => 'bool''entitlement_weeks_requested' => 'double''entitlement_weeks_qualified' => 'double''entitlement_weeks_remaining' => 'double''overlaps_with_other_leave' => 'bool''entitlement_failure_reasons' => 'string[]'
+        'statutory_leave_id' => 'string',
+        'employee_id' => 'string',
+        'leave_type_id' => 'string',
+        'start_date' => '\DateTime',
+        'end_date' => '\DateTime',
+        'type' => 'string',
+        'status' => 'string',
+        'work_pattern' => 'string[]',
+        'is_pregnancy_related' => 'bool',
+        'sufficient_notice' => 'bool',
+        'is_entitled' => 'bool',
+        'entitlement_weeks_requested' => 'double',
+        'entitlement_weeks_qualified' => 'double',
+        'entitlement_weeks_remaining' => 'double',
+        'overlaps_with_other_leave' => 'bool',
+        'entitlement_failure_reasons' => 'string[]'
     ];
 
     /**
@@ -67,7 +82,22 @@ class EmployeeStatutorySickLeave implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'statutory_leave_id' => 'uuid''employee_id' => 'uuid''leave_type_id' => 'uuid''start_date' => 'date''end_date' => 'date''type' => null'status' => null'work_pattern' => null'is_pregnancy_related' => null'sufficient_notice' => null'is_entitled' => null'entitlement_weeks_requested' => 'double''entitlement_weeks_qualified' => 'double''entitlement_weeks_remaining' => 'double''overlaps_with_other_leave' => null'entitlement_failure_reasons' => null
+        'statutory_leave_id' => 'uuid',
+        'employee_id' => 'uuid',
+        'leave_type_id' => 'uuid',
+        'start_date' => 'date',
+        'end_date' => 'date',
+        'type' => null,
+        'status' => null,
+        'work_pattern' => null,
+        'is_pregnancy_related' => null,
+        'sufficient_notice' => null,
+        'is_entitled' => null,
+        'entitlement_weeks_requested' => 'double',
+        'entitlement_weeks_qualified' => 'double',
+        'entitlement_weeks_remaining' => 'double',
+        'overlaps_with_other_leave' => null,
+        'entitlement_failure_reasons' => null
     ];
 
     /**
@@ -97,7 +127,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'statutory_leave_id' => 'statutoryLeaveID''employee_id' => 'employeeID''leave_type_id' => 'leaveTypeID''start_date' => 'startDate''end_date' => 'endDate''type' => 'type''status' => 'status''work_pattern' => 'workPattern''is_pregnancy_related' => 'isPregnancyRelated''sufficient_notice' => 'sufficientNotice''is_entitled' => 'isEntitled''entitlement_weeks_requested' => 'entitlementWeeksRequested''entitlement_weeks_qualified' => 'entitlementWeeksQualified''entitlement_weeks_remaining' => 'entitlementWeeksRemaining''overlaps_with_other_leave' => 'overlapsWithOtherLeave''entitlement_failure_reasons' => 'entitlementFailureReasons'
+        'statutory_leave_id' => 'statutoryLeaveID',
+        'employee_id' => 'employeeID',
+        'leave_type_id' => 'leaveTypeID',
+        'start_date' => 'startDate',
+        'end_date' => 'endDate',
+        'type' => 'type',
+        'status' => 'status',
+        'work_pattern' => 'workPattern',
+        'is_pregnancy_related' => 'isPregnancyRelated',
+        'sufficient_notice' => 'sufficientNotice',
+        'is_entitled' => 'isEntitled',
+        'entitlement_weeks_requested' => 'entitlementWeeksRequested',
+        'entitlement_weeks_qualified' => 'entitlementWeeksQualified',
+        'entitlement_weeks_remaining' => 'entitlementWeeksRemaining',
+        'overlaps_with_other_leave' => 'overlapsWithOtherLeave',
+        'entitlement_failure_reasons' => 'entitlementFailureReasons'
     ];
 
     /**
@@ -106,7 +151,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'statutory_leave_id' => 'setStatutoryLeaveId''employee_id' => 'setEmployeeId''leave_type_id' => 'setLeaveTypeId''start_date' => 'setStartDate''end_date' => 'setEndDate''type' => 'setType''status' => 'setStatus''work_pattern' => 'setWorkPattern''is_pregnancy_related' => 'setIsPregnancyRelated''sufficient_notice' => 'setSufficientNotice''is_entitled' => 'setIsEntitled''entitlement_weeks_requested' => 'setEntitlementWeeksRequested''entitlement_weeks_qualified' => 'setEntitlementWeeksQualified''entitlement_weeks_remaining' => 'setEntitlementWeeksRemaining''overlaps_with_other_leave' => 'setOverlapsWithOtherLeave''entitlement_failure_reasons' => 'setEntitlementFailureReasons'
+        'statutory_leave_id' => 'setStatutoryLeaveId',
+        'employee_id' => 'setEmployeeId',
+        'leave_type_id' => 'setLeaveTypeId',
+        'start_date' => 'setStartDate',
+        'end_date' => 'setEndDate',
+        'type' => 'setType',
+        'status' => 'setStatus',
+        'work_pattern' => 'setWorkPattern',
+        'is_pregnancy_related' => 'setIsPregnancyRelated',
+        'sufficient_notice' => 'setSufficientNotice',
+        'is_entitled' => 'setIsEntitled',
+        'entitlement_weeks_requested' => 'setEntitlementWeeksRequested',
+        'entitlement_weeks_qualified' => 'setEntitlementWeeksQualified',
+        'entitlement_weeks_remaining' => 'setEntitlementWeeksRemaining',
+        'overlaps_with_other_leave' => 'setOverlapsWithOtherLeave',
+        'entitlement_failure_reasons' => 'setEntitlementFailureReasons'
     ];
 
     /**
@@ -115,7 +175,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'statutory_leave_id' => 'getStatutoryLeaveId''employee_id' => 'getEmployeeId''leave_type_id' => 'getLeaveTypeId''start_date' => 'getStartDate''end_date' => 'getEndDate''type' => 'getType''status' => 'getStatus''work_pattern' => 'getWorkPattern''is_pregnancy_related' => 'getIsPregnancyRelated''sufficient_notice' => 'getSufficientNotice''is_entitled' => 'getIsEntitled''entitlement_weeks_requested' => 'getEntitlementWeeksRequested''entitlement_weeks_qualified' => 'getEntitlementWeeksQualified''entitlement_weeks_remaining' => 'getEntitlementWeeksRemaining''overlaps_with_other_leave' => 'getOverlapsWithOtherLeave''entitlement_failure_reasons' => 'getEntitlementFailureReasons'
+        'statutory_leave_id' => 'getStatutoryLeaveId',
+        'employee_id' => 'getEmployeeId',
+        'leave_type_id' => 'getLeaveTypeId',
+        'start_date' => 'getStartDate',
+        'end_date' => 'getEndDate',
+        'type' => 'getType',
+        'status' => 'getStatus',
+        'work_pattern' => 'getWorkPattern',
+        'is_pregnancy_related' => 'getIsPregnancyRelated',
+        'sufficient_notice' => 'getSufficientNotice',
+        'is_entitled' => 'getIsEntitled',
+        'entitlement_weeks_requested' => 'getEntitlementWeeksRequested',
+        'entitlement_weeks_qualified' => 'getEntitlementWeeksQualified',
+        'entitlement_weeks_remaining' => 'getEntitlementWeeksRemaining',
+        'overlaps_with_other_leave' => 'getOverlapsWithOtherLeave',
+        'entitlement_failure_reasons' => 'getEntitlementFailureReasons'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EmployeeStatutorySickLeaveObject.php b/lib/Models/PayrollNz/EmployeeStatutorySickLeaveObject.php
index d25d8033..c7e4061f 100644
--- a/lib/Models/PayrollNz/EmployeeStatutorySickLeaveObject.php
+++ b/lib/Models/PayrollNz/EmployeeStatutorySickLeaveObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeStatutorySickLeaveObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''statutory_sick_leave' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeStatutorySickLeave'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'statutory_sick_leave' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeStatutorySickLeave'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeStatutorySickLeaveObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'statutory_sick_leave' => null
+        'pagination' => null,
+        'problem' => null,
+        'statutory_sick_leave' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''statutory_sick_leave' => 'statutorySickLeave'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'statutory_sick_leave' => 'statutorySickLeave'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''statutory_sick_leave' => 'setStatutorySickLeave'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'statutory_sick_leave' => 'setStatutorySickLeave'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''statutory_sick_leave' => 'getStatutorySickLeave'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'statutory_sick_leave' => 'getStatutorySickLeave'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EmployeeStatutorySickLeaves.php b/lib/Models/PayrollNz/EmployeeStatutorySickLeaves.php
index 42a6c4a4..4d35130f 100644
--- a/lib/Models/PayrollNz/EmployeeStatutorySickLeaves.php
+++ b/lib/Models/PayrollNz/EmployeeStatutorySickLeaves.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeStatutorySickLeaves implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''statutory_sick_leave' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeStatutorySickLeave[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'statutory_sick_leave' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeStatutorySickLeave[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeStatutorySickLeaves implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'statutory_sick_leave' => null
+        'pagination' => null,
+        'problem' => null,
+        'statutory_sick_leave' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''statutory_sick_leave' => 'statutorySickLeave'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'statutory_sick_leave' => 'statutorySickLeave'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''statutory_sick_leave' => 'setStatutorySickLeave'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'statutory_sick_leave' => 'setStatutorySickLeave'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''statutory_sick_leave' => 'getStatutorySickLeave'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'statutory_sick_leave' => 'getStatutorySickLeave'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EmployeeTax.php b/lib/Models/PayrollNz/EmployeeTax.php
index aec8e1c9..8dc2a04d 100644
--- a/lib/Models/PayrollNz/EmployeeTax.php
+++ b/lib/Models/PayrollNz/EmployeeTax.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,22 @@ class EmployeeTax implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'ird_number' => 'string''tax_code' => '\XeroAPI\XeroPHP\Models\PayrollNz\TaxCode''special_tax_rate_percentage' => 'double''has_special_student_loan_rate' => 'bool''special_student_loan_rate_percentage' => 'double''is_eligible_for_kiwi_saver' => 'bool''esct_rate_percentage' => 'double''kiwi_saver_contributions' => 'string''kiwi_saver_employee_contribution_rate_percentage' => 'double''kiwi_saver_employer_contribution_rate_percentage' => 'double''kiwi_saver_employer_salary_sacrifice_contribution_rate_percentage' => 'double''kiwi_saver_opt_out_date' => '\DateTime''kiwi_saver_contribution_holiday_end_date' => '\DateTime''has_student_loan_balance' => 'bool''student_loan_balance' => 'double''student_loan_as_at' => '\DateTime'
+        'ird_number' => 'string',
+        'tax_code' => '\XeroAPI\XeroPHP\Models\PayrollNz\TaxCode',
+        'special_tax_rate_percentage' => 'double',
+        'has_special_student_loan_rate' => 'bool',
+        'special_student_loan_rate_percentage' => 'double',
+        'is_eligible_for_kiwi_saver' => 'bool',
+        'esct_rate_percentage' => 'double',
+        'kiwi_saver_contributions' => 'string',
+        'kiwi_saver_employee_contribution_rate_percentage' => 'double',
+        'kiwi_saver_employer_contribution_rate_percentage' => 'double',
+        'kiwi_saver_employer_salary_sacrifice_contribution_rate_percentage' => 'double',
+        'kiwi_saver_opt_out_date' => '\DateTime',
+        'kiwi_saver_contribution_holiday_end_date' => '\DateTime',
+        'has_student_loan_balance' => 'bool',
+        'student_loan_balance' => 'double',
+        'student_loan_as_at' => '\DateTime'
     ];
 
     /**
@@ -67,7 +82,22 @@ class EmployeeTax implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'ird_number' => null'tax_code' => null'special_tax_rate_percentage' => 'double''has_special_student_loan_rate' => null'special_student_loan_rate_percentage' => 'double''is_eligible_for_kiwi_saver' => null'esct_rate_percentage' => 'double''kiwi_saver_contributions' => null'kiwi_saver_employee_contribution_rate_percentage' => 'double''kiwi_saver_employer_contribution_rate_percentage' => 'double''kiwi_saver_employer_salary_sacrifice_contribution_rate_percentage' => 'double''kiwi_saver_opt_out_date' => 'date''kiwi_saver_contribution_holiday_end_date' => 'date''has_student_loan_balance' => null'student_loan_balance' => 'double''student_loan_as_at' => 'date'
+        'ird_number' => null,
+        'tax_code' => null,
+        'special_tax_rate_percentage' => 'double',
+        'has_special_student_loan_rate' => null,
+        'special_student_loan_rate_percentage' => 'double',
+        'is_eligible_for_kiwi_saver' => null,
+        'esct_rate_percentage' => 'double',
+        'kiwi_saver_contributions' => null,
+        'kiwi_saver_employee_contribution_rate_percentage' => 'double',
+        'kiwi_saver_employer_contribution_rate_percentage' => 'double',
+        'kiwi_saver_employer_salary_sacrifice_contribution_rate_percentage' => 'double',
+        'kiwi_saver_opt_out_date' => 'date',
+        'kiwi_saver_contribution_holiday_end_date' => 'date',
+        'has_student_loan_balance' => null,
+        'student_loan_balance' => 'double',
+        'student_loan_as_at' => 'date'
     ];
 
     /**
@@ -97,7 +127,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'ird_number' => 'irdNumber''tax_code' => 'taxCode''special_tax_rate_percentage' => 'specialTaxRatePercentage''has_special_student_loan_rate' => 'hasSpecialStudentLoanRate''special_student_loan_rate_percentage' => 'specialStudentLoanRatePercentage''is_eligible_for_kiwi_saver' => 'isEligibleForKiwiSaver''esct_rate_percentage' => 'esctRatePercentage''kiwi_saver_contributions' => 'kiwiSaverContributions''kiwi_saver_employee_contribution_rate_percentage' => 'kiwiSaverEmployeeContributionRatePercentage''kiwi_saver_employer_contribution_rate_percentage' => 'kiwiSaverEmployerContributionRatePercentage''kiwi_saver_employer_salary_sacrifice_contribution_rate_percentage' => 'kiwiSaverEmployerSalarySacrificeContributionRatePercentage''kiwi_saver_opt_out_date' => 'kiwiSaverOptOutDate''kiwi_saver_contribution_holiday_end_date' => 'kiwiSaverContributionHolidayEndDate''has_student_loan_balance' => 'hasStudentLoanBalance''student_loan_balance' => 'studentLoanBalance''student_loan_as_at' => 'studentLoanAsAt'
+        'ird_number' => 'irdNumber',
+        'tax_code' => 'taxCode',
+        'special_tax_rate_percentage' => 'specialTaxRatePercentage',
+        'has_special_student_loan_rate' => 'hasSpecialStudentLoanRate',
+        'special_student_loan_rate_percentage' => 'specialStudentLoanRatePercentage',
+        'is_eligible_for_kiwi_saver' => 'isEligibleForKiwiSaver',
+        'esct_rate_percentage' => 'esctRatePercentage',
+        'kiwi_saver_contributions' => 'kiwiSaverContributions',
+        'kiwi_saver_employee_contribution_rate_percentage' => 'kiwiSaverEmployeeContributionRatePercentage',
+        'kiwi_saver_employer_contribution_rate_percentage' => 'kiwiSaverEmployerContributionRatePercentage',
+        'kiwi_saver_employer_salary_sacrifice_contribution_rate_percentage' => 'kiwiSaverEmployerSalarySacrificeContributionRatePercentage',
+        'kiwi_saver_opt_out_date' => 'kiwiSaverOptOutDate',
+        'kiwi_saver_contribution_holiday_end_date' => 'kiwiSaverContributionHolidayEndDate',
+        'has_student_loan_balance' => 'hasStudentLoanBalance',
+        'student_loan_balance' => 'studentLoanBalance',
+        'student_loan_as_at' => 'studentLoanAsAt'
     ];
 
     /**
@@ -106,7 +151,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'ird_number' => 'setIrdNumber''tax_code' => 'setTaxCode''special_tax_rate_percentage' => 'setSpecialTaxRatePercentage''has_special_student_loan_rate' => 'setHasSpecialStudentLoanRate''special_student_loan_rate_percentage' => 'setSpecialStudentLoanRatePercentage''is_eligible_for_kiwi_saver' => 'setIsEligibleForKiwiSaver''esct_rate_percentage' => 'setEsctRatePercentage''kiwi_saver_contributions' => 'setKiwiSaverContributions''kiwi_saver_employee_contribution_rate_percentage' => 'setKiwiSaverEmployeeContributionRatePercentage''kiwi_saver_employer_contribution_rate_percentage' => 'setKiwiSaverEmployerContributionRatePercentage''kiwi_saver_employer_salary_sacrifice_contribution_rate_percentage' => 'setKiwiSaverEmployerSalarySacrificeContributionRatePercentage''kiwi_saver_opt_out_date' => 'setKiwiSaverOptOutDate''kiwi_saver_contribution_holiday_end_date' => 'setKiwiSaverContributionHolidayEndDate''has_student_loan_balance' => 'setHasStudentLoanBalance''student_loan_balance' => 'setStudentLoanBalance''student_loan_as_at' => 'setStudentLoanAsAt'
+        'ird_number' => 'setIrdNumber',
+        'tax_code' => 'setTaxCode',
+        'special_tax_rate_percentage' => 'setSpecialTaxRatePercentage',
+        'has_special_student_loan_rate' => 'setHasSpecialStudentLoanRate',
+        'special_student_loan_rate_percentage' => 'setSpecialStudentLoanRatePercentage',
+        'is_eligible_for_kiwi_saver' => 'setIsEligibleForKiwiSaver',
+        'esct_rate_percentage' => 'setEsctRatePercentage',
+        'kiwi_saver_contributions' => 'setKiwiSaverContributions',
+        'kiwi_saver_employee_contribution_rate_percentage' => 'setKiwiSaverEmployeeContributionRatePercentage',
+        'kiwi_saver_employer_contribution_rate_percentage' => 'setKiwiSaverEmployerContributionRatePercentage',
+        'kiwi_saver_employer_salary_sacrifice_contribution_rate_percentage' => 'setKiwiSaverEmployerSalarySacrificeContributionRatePercentage',
+        'kiwi_saver_opt_out_date' => 'setKiwiSaverOptOutDate',
+        'kiwi_saver_contribution_holiday_end_date' => 'setKiwiSaverContributionHolidayEndDate',
+        'has_student_loan_balance' => 'setHasStudentLoanBalance',
+        'student_loan_balance' => 'setStudentLoanBalance',
+        'student_loan_as_at' => 'setStudentLoanAsAt'
     ];
 
     /**
@@ -115,7 +175,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'ird_number' => 'getIrdNumber''tax_code' => 'getTaxCode''special_tax_rate_percentage' => 'getSpecialTaxRatePercentage''has_special_student_loan_rate' => 'getHasSpecialStudentLoanRate''special_student_loan_rate_percentage' => 'getSpecialStudentLoanRatePercentage''is_eligible_for_kiwi_saver' => 'getIsEligibleForKiwiSaver''esct_rate_percentage' => 'getEsctRatePercentage''kiwi_saver_contributions' => 'getKiwiSaverContributions''kiwi_saver_employee_contribution_rate_percentage' => 'getKiwiSaverEmployeeContributionRatePercentage''kiwi_saver_employer_contribution_rate_percentage' => 'getKiwiSaverEmployerContributionRatePercentage''kiwi_saver_employer_salary_sacrifice_contribution_rate_percentage' => 'getKiwiSaverEmployerSalarySacrificeContributionRatePercentage''kiwi_saver_opt_out_date' => 'getKiwiSaverOptOutDate''kiwi_saver_contribution_holiday_end_date' => 'getKiwiSaverContributionHolidayEndDate''has_student_loan_balance' => 'getHasStudentLoanBalance''student_loan_balance' => 'getStudentLoanBalance''student_loan_as_at' => 'getStudentLoanAsAt'
+        'ird_number' => 'getIrdNumber',
+        'tax_code' => 'getTaxCode',
+        'special_tax_rate_percentage' => 'getSpecialTaxRatePercentage',
+        'has_special_student_loan_rate' => 'getHasSpecialStudentLoanRate',
+        'special_student_loan_rate_percentage' => 'getSpecialStudentLoanRatePercentage',
+        'is_eligible_for_kiwi_saver' => 'getIsEligibleForKiwiSaver',
+        'esct_rate_percentage' => 'getEsctRatePercentage',
+        'kiwi_saver_contributions' => 'getKiwiSaverContributions',
+        'kiwi_saver_employee_contribution_rate_percentage' => 'getKiwiSaverEmployeeContributionRatePercentage',
+        'kiwi_saver_employer_contribution_rate_percentage' => 'getKiwiSaverEmployerContributionRatePercentage',
+        'kiwi_saver_employer_salary_sacrifice_contribution_rate_percentage' => 'getKiwiSaverEmployerSalarySacrificeContributionRatePercentage',
+        'kiwi_saver_opt_out_date' => 'getKiwiSaverOptOutDate',
+        'kiwi_saver_contribution_holiday_end_date' => 'getKiwiSaverContributionHolidayEndDate',
+        'has_student_loan_balance' => 'getHasStudentLoanBalance',
+        'student_loan_balance' => 'getStudentLoanBalance',
+        'student_loan_as_at' => 'getStudentLoanAsAt'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EmployeeTaxObject.php b/lib/Models/PayrollNz/EmployeeTaxObject.php
index 7dad3ba7..905df73f 100644
--- a/lib/Models/PayrollNz/EmployeeTaxObject.php
+++ b/lib/Models/PayrollNz/EmployeeTaxObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeTaxObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''employee_tax' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeTax'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'employee_tax' => '\XeroAPI\XeroPHP\Models\PayrollNz\EmployeeTax'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeTaxObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'employee_tax' => null
+        'pagination' => null,
+        'problem' => null,
+        'employee_tax' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''employee_tax' => 'employeeTax'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'employee_tax' => 'employeeTax'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''employee_tax' => 'setEmployeeTax'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'employee_tax' => 'setEmployeeTax'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''employee_tax' => 'getEmployeeTax'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'employee_tax' => 'getEmployeeTax'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/Employees.php b/lib/Models/PayrollNz/Employees.php
index dd544161..3959a174 100644
--- a/lib/Models/PayrollNz/Employees.php
+++ b/lib/Models/PayrollNz/Employees.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class Employees implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''employees' => '\XeroAPI\XeroPHP\Models\PayrollNz\Employee[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'employees' => '\XeroAPI\XeroPHP\Models\PayrollNz\Employee[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class Employees implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'employees' => null
+        'pagination' => null,
+        'problem' => null,
+        'employees' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''employees' => 'employees'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'employees' => 'employees'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''employees' => 'setEmployees'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'employees' => 'setEmployees'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''employees' => 'getEmployees'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'employees' => 'getEmployees'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/Employment.php b/lib/Models/PayrollNz/Employment.php
index c0b5f683..52d6c7c6 100644
--- a/lib/Models/PayrollNz/Employment.php
+++ b/lib/Models/PayrollNz/Employment.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class Employment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'payroll_calendar_id' => 'string''pay_run_calendar_id' => 'string''start_date' => '\DateTime'
+        'payroll_calendar_id' => 'string',
+        'pay_run_calendar_id' => 'string',
+        'start_date' => '\DateTime'
     ];
 
     /**
@@ -67,7 +69,9 @@ class Employment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'payroll_calendar_id' => 'uuid''pay_run_calendar_id' => 'uuid''start_date' => 'date'
+        'payroll_calendar_id' => 'uuid',
+        'pay_run_calendar_id' => 'uuid',
+        'start_date' => 'date'
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'payroll_calendar_id' => 'payrollCalendarID''pay_run_calendar_id' => 'payRunCalendarID''start_date' => 'startDate'
+        'payroll_calendar_id' => 'payrollCalendarID',
+        'pay_run_calendar_id' => 'payRunCalendarID',
+        'start_date' => 'startDate'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'payroll_calendar_id' => 'setPayrollCalendarId''pay_run_calendar_id' => 'setPayRunCalendarId''start_date' => 'setStartDate'
+        'payroll_calendar_id' => 'setPayrollCalendarId',
+        'pay_run_calendar_id' => 'setPayRunCalendarId',
+        'start_date' => 'setStartDate'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'payroll_calendar_id' => 'getPayrollCalendarId''pay_run_calendar_id' => 'getPayRunCalendarId''start_date' => 'getStartDate'
+        'payroll_calendar_id' => 'getPayrollCalendarId',
+        'pay_run_calendar_id' => 'getPayRunCalendarId',
+        'start_date' => 'getStartDate'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/EmploymentObject.php b/lib/Models/PayrollNz/EmploymentObject.php
index 21fc71e2..8f2698b6 100644
--- a/lib/Models/PayrollNz/EmploymentObject.php
+++ b/lib/Models/PayrollNz/EmploymentObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmploymentObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''employment' => '\XeroAPI\XeroPHP\Models\PayrollNz\Employment'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'employment' => '\XeroAPI\XeroPHP\Models\PayrollNz\Employment'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmploymentObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'employment' => null
+        'pagination' => null,
+        'problem' => null,
+        'employment' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''employment' => 'employment'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'employment' => 'employment'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''employment' => 'setEmployment'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'employment' => 'setEmployment'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''employment' => 'getEmployment'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'employment' => 'getEmployment'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/GrossEarningsHistory.php b/lib/Models/PayrollNz/GrossEarningsHistory.php
index c07ef6f9..83993809 100644
--- a/lib/Models/PayrollNz/GrossEarningsHistory.php
+++ b/lib/Models/PayrollNz/GrossEarningsHistory.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class GrossEarningsHistory implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'days_paid' => 'int''unpaid_weeks' => 'int'
+        'days_paid' => 'int',
+        'unpaid_weeks' => 'int'
     ];
 
     /**
@@ -67,7 +68,8 @@ class GrossEarningsHistory implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'days_paid' => 'int32''unpaid_weeks' => 'int32'
+        'days_paid' => 'int32',
+        'unpaid_weeks' => 'int32'
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'days_paid' => 'daysPaid''unpaid_weeks' => 'unpaidWeeks'
+        'days_paid' => 'daysPaid',
+        'unpaid_weeks' => 'unpaidWeeks'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'days_paid' => 'setDaysPaid''unpaid_weeks' => 'setUnpaidWeeks'
+        'days_paid' => 'setDaysPaid',
+        'unpaid_weeks' => 'setUnpaidWeeks'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'days_paid' => 'getDaysPaid''unpaid_weeks' => 'getUnpaidWeeks'
+        'days_paid' => 'getDaysPaid',
+        'unpaid_weeks' => 'getUnpaidWeeks'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/InvalidField.php b/lib/Models/PayrollNz/InvalidField.php
index 06a068db..70714d57 100644
--- a/lib/Models/PayrollNz/InvalidField.php
+++ b/lib/Models/PayrollNz/InvalidField.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class InvalidField implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string''reason' => 'string'
+        'name' => 'string',
+        'reason' => 'string'
     ];
 
     /**
@@ -67,7 +68,8 @@ class InvalidField implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null'reason' => null
+        'name' => null,
+        'reason' => null
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'name''reason' => 'reason'
+        'name' => 'name',
+        'reason' => 'reason'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName''reason' => 'setReason'
+        'name' => 'setName',
+        'reason' => 'setReason'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName''reason' => 'getReason'
+        'name' => 'getName',
+        'reason' => 'getReason'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/LeaveAccrualLine.php b/lib/Models/PayrollNz/LeaveAccrualLine.php
index fff25949..0bae06c7 100644
--- a/lib/Models/PayrollNz/LeaveAccrualLine.php
+++ b/lib/Models/PayrollNz/LeaveAccrualLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class LeaveAccrualLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_type_id' => 'string''number_of_units' => 'double'
+        'leave_type_id' => 'string',
+        'number_of_units' => 'double'
     ];
 
     /**
@@ -67,7 +68,8 @@ class LeaveAccrualLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_type_id' => 'uuid''number_of_units' => 'double'
+        'leave_type_id' => 'uuid',
+        'number_of_units' => 'double'
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_type_id' => 'leaveTypeID''number_of_units' => 'numberOfUnits'
+        'leave_type_id' => 'leaveTypeID',
+        'number_of_units' => 'numberOfUnits'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_type_id' => 'setLeaveTypeId''number_of_units' => 'setNumberOfUnits'
+        'leave_type_id' => 'setLeaveTypeId',
+        'number_of_units' => 'setNumberOfUnits'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_type_id' => 'getLeaveTypeId''number_of_units' => 'getNumberOfUnits'
+        'leave_type_id' => 'getLeaveTypeId',
+        'number_of_units' => 'getNumberOfUnits'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/LeaveEarningsLine.php b/lib/Models/PayrollNz/LeaveEarningsLine.php
index 5942e221..704761ec 100644
--- a/lib/Models/PayrollNz/LeaveEarningsLine.php
+++ b/lib/Models/PayrollNz/LeaveEarningsLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,16 @@ class LeaveEarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_line_id' => 'string''earnings_rate_id' => 'string''display_name' => 'string''rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''amount' => 'double''is_linked_to_timesheet' => 'bool''is_average_daily_pay_rate' => 'bool''is_system_generated' => 'bool'
+        'earnings_line_id' => 'string',
+        'earnings_rate_id' => 'string',
+        'display_name' => 'string',
+        'rate_per_unit' => 'double',
+        'number_of_units' => 'double',
+        'fixed_amount' => 'double',
+        'amount' => 'double',
+        'is_linked_to_timesheet' => 'bool',
+        'is_average_daily_pay_rate' => 'bool',
+        'is_system_generated' => 'bool'
     ];
 
     /**
@@ -67,7 +76,16 @@ class LeaveEarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_line_id' => 'uuid''earnings_rate_id' => 'uuid''display_name' => null'rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''amount' => 'double''is_linked_to_timesheet' => null'is_average_daily_pay_rate' => null'is_system_generated' => null
+        'earnings_line_id' => 'uuid',
+        'earnings_rate_id' => 'uuid',
+        'display_name' => null,
+        'rate_per_unit' => 'double',
+        'number_of_units' => 'double',
+        'fixed_amount' => 'double',
+        'amount' => 'double',
+        'is_linked_to_timesheet' => null,
+        'is_average_daily_pay_rate' => null,
+        'is_system_generated' => null
     ];
 
     /**
@@ -97,7 +115,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_line_id' => 'earningsLineID''earnings_rate_id' => 'earningsRateID''display_name' => 'displayName''rate_per_unit' => 'ratePerUnit''number_of_units' => 'numberOfUnits''fixed_amount' => 'fixedAmount''amount' => 'amount''is_linked_to_timesheet' => 'isLinkedToTimesheet''is_average_daily_pay_rate' => 'isAverageDailyPayRate''is_system_generated' => 'isSystemGenerated'
+        'earnings_line_id' => 'earningsLineID',
+        'earnings_rate_id' => 'earningsRateID',
+        'display_name' => 'displayName',
+        'rate_per_unit' => 'ratePerUnit',
+        'number_of_units' => 'numberOfUnits',
+        'fixed_amount' => 'fixedAmount',
+        'amount' => 'amount',
+        'is_linked_to_timesheet' => 'isLinkedToTimesheet',
+        'is_average_daily_pay_rate' => 'isAverageDailyPayRate',
+        'is_system_generated' => 'isSystemGenerated'
     ];
 
     /**
@@ -106,7 +133,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_line_id' => 'setEarningsLineId''earnings_rate_id' => 'setEarningsRateId''display_name' => 'setDisplayName''rate_per_unit' => 'setRatePerUnit''number_of_units' => 'setNumberOfUnits''fixed_amount' => 'setFixedAmount''amount' => 'setAmount''is_linked_to_timesheet' => 'setIsLinkedToTimesheet''is_average_daily_pay_rate' => 'setIsAverageDailyPayRate''is_system_generated' => 'setIsSystemGenerated'
+        'earnings_line_id' => 'setEarningsLineId',
+        'earnings_rate_id' => 'setEarningsRateId',
+        'display_name' => 'setDisplayName',
+        'rate_per_unit' => 'setRatePerUnit',
+        'number_of_units' => 'setNumberOfUnits',
+        'fixed_amount' => 'setFixedAmount',
+        'amount' => 'setAmount',
+        'is_linked_to_timesheet' => 'setIsLinkedToTimesheet',
+        'is_average_daily_pay_rate' => 'setIsAverageDailyPayRate',
+        'is_system_generated' => 'setIsSystemGenerated'
     ];
 
     /**
@@ -115,7 +151,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_line_id' => 'getEarningsLineId''earnings_rate_id' => 'getEarningsRateId''display_name' => 'getDisplayName''rate_per_unit' => 'getRatePerUnit''number_of_units' => 'getNumberOfUnits''fixed_amount' => 'getFixedAmount''amount' => 'getAmount''is_linked_to_timesheet' => 'getIsLinkedToTimesheet''is_average_daily_pay_rate' => 'getIsAverageDailyPayRate''is_system_generated' => 'getIsSystemGenerated'
+        'earnings_line_id' => 'getEarningsLineId',
+        'earnings_rate_id' => 'getEarningsRateId',
+        'display_name' => 'getDisplayName',
+        'rate_per_unit' => 'getRatePerUnit',
+        'number_of_units' => 'getNumberOfUnits',
+        'fixed_amount' => 'getFixedAmount',
+        'amount' => 'getAmount',
+        'is_linked_to_timesheet' => 'getIsLinkedToTimesheet',
+        'is_average_daily_pay_rate' => 'getIsAverageDailyPayRate',
+        'is_system_generated' => 'getIsSystemGenerated'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/LeavePeriod.php b/lib/Models/PayrollNz/LeavePeriod.php
index 929cd9e1..71757c21 100644
--- a/lib/Models/PayrollNz/LeavePeriod.php
+++ b/lib/Models/PayrollNz/LeavePeriod.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class LeavePeriod implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'period_start_date' => '\DateTime''period_end_date' => '\DateTime''number_of_units' => 'double''period_status' => 'string'
+        'period_start_date' => '\DateTime',
+        'period_end_date' => '\DateTime',
+        'number_of_units' => 'double',
+        'period_status' => 'string'
     ];
 
     /**
@@ -67,7 +70,10 @@ class LeavePeriod implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'period_start_date' => 'date''period_end_date' => 'date''number_of_units' => 'double''period_status' => null
+        'period_start_date' => 'date',
+        'period_end_date' => 'date',
+        'number_of_units' => 'double',
+        'period_status' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'period_start_date' => 'periodStartDate''period_end_date' => 'periodEndDate''number_of_units' => 'numberOfUnits''period_status' => 'periodStatus'
+        'period_start_date' => 'periodStartDate',
+        'period_end_date' => 'periodEndDate',
+        'number_of_units' => 'numberOfUnits',
+        'period_status' => 'periodStatus'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'period_start_date' => 'setPeriodStartDate''period_end_date' => 'setPeriodEndDate''number_of_units' => 'setNumberOfUnits''period_status' => 'setPeriodStatus'
+        'period_start_date' => 'setPeriodStartDate',
+        'period_end_date' => 'setPeriodEndDate',
+        'number_of_units' => 'setNumberOfUnits',
+        'period_status' => 'setPeriodStatus'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'period_start_date' => 'getPeriodStartDate''period_end_date' => 'getPeriodEndDate''number_of_units' => 'getNumberOfUnits''period_status' => 'getPeriodStatus'
+        'period_start_date' => 'getPeriodStartDate',
+        'period_end_date' => 'getPeriodEndDate',
+        'number_of_units' => 'getNumberOfUnits',
+        'period_status' => 'getPeriodStatus'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/LeavePeriods.php b/lib/Models/PayrollNz/LeavePeriods.php
index 42073c89..44dee0cc 100644
--- a/lib/Models/PayrollNz/LeavePeriods.php
+++ b/lib/Models/PayrollNz/LeavePeriods.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class LeavePeriods implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''periods' => '\XeroAPI\XeroPHP\Models\PayrollNz\LeavePeriod[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'periods' => '\XeroAPI\XeroPHP\Models\PayrollNz\LeavePeriod[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class LeavePeriods implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'periods' => null
+        'pagination' => null,
+        'problem' => null,
+        'periods' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''periods' => 'periods'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'periods' => 'periods'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''periods' => 'setPeriods'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'periods' => 'setPeriods'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''periods' => 'getPeriods'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'periods' => 'getPeriods'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/LeaveType.php b/lib/Models/PayrollNz/LeaveType.php
index 95c1baf8..94837a98 100644
--- a/lib/Models/PayrollNz/LeaveType.php
+++ b/lib/Models/PayrollNz/LeaveType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class LeaveType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_type_id' => 'string''name' => 'string''is_paid_leave' => 'bool''show_on_payslip' => 'bool''updated_date_utc' => '\DateTime''is_active' => 'bool'
+        'leave_type_id' => 'string',
+        'name' => 'string',
+        'is_paid_leave' => 'bool',
+        'show_on_payslip' => 'bool',
+        'updated_date_utc' => '\DateTime',
+        'is_active' => 'bool'
     ];
 
     /**
@@ -67,7 +72,12 @@ class LeaveType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_type_id' => 'uuid''name' => null'is_paid_leave' => null'show_on_payslip' => null'updated_date_utc' => 'date-time''is_active' => null
+        'leave_type_id' => 'uuid',
+        'name' => null,
+        'is_paid_leave' => null,
+        'show_on_payslip' => null,
+        'updated_date_utc' => 'date-time',
+        'is_active' => null
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_type_id' => 'leaveTypeID''name' => 'name''is_paid_leave' => 'isPaidLeave''show_on_payslip' => 'showOnPayslip''updated_date_utc' => 'updatedDateUTC''is_active' => 'isActive'
+        'leave_type_id' => 'leaveTypeID',
+        'name' => 'name',
+        'is_paid_leave' => 'isPaidLeave',
+        'show_on_payslip' => 'showOnPayslip',
+        'updated_date_utc' => 'updatedDateUTC',
+        'is_active' => 'isActive'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_type_id' => 'setLeaveTypeId''name' => 'setName''is_paid_leave' => 'setIsPaidLeave''show_on_payslip' => 'setShowOnPayslip''updated_date_utc' => 'setUpdatedDateUtc''is_active' => 'setIsActive'
+        'leave_type_id' => 'setLeaveTypeId',
+        'name' => 'setName',
+        'is_paid_leave' => 'setIsPaidLeave',
+        'show_on_payslip' => 'setShowOnPayslip',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'is_active' => 'setIsActive'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_type_id' => 'getLeaveTypeId''name' => 'getName''is_paid_leave' => 'getIsPaidLeave''show_on_payslip' => 'getShowOnPayslip''updated_date_utc' => 'getUpdatedDateUtc''is_active' => 'getIsActive'
+        'leave_type_id' => 'getLeaveTypeId',
+        'name' => 'getName',
+        'is_paid_leave' => 'getIsPaidLeave',
+        'show_on_payslip' => 'getShowOnPayslip',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'is_active' => 'getIsActive'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/LeaveTypeObject.php b/lib/Models/PayrollNz/LeaveTypeObject.php
index a582676d..22c36688 100644
--- a/lib/Models/PayrollNz/LeaveTypeObject.php
+++ b/lib/Models/PayrollNz/LeaveTypeObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class LeaveTypeObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''leave_type' => '\XeroAPI\XeroPHP\Models\PayrollNz\LeaveType'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'leave_type' => '\XeroAPI\XeroPHP\Models\PayrollNz\LeaveType'
     ];
 
     /**
@@ -67,7 +69,9 @@ class LeaveTypeObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'leave_type' => null
+        'pagination' => null,
+        'problem' => null,
+        'leave_type' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''leave_type' => 'leaveType'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'leave_type' => 'leaveType'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''leave_type' => 'setLeaveType'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'leave_type' => 'setLeaveType'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''leave_type' => 'getLeaveType'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'leave_type' => 'getLeaveType'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/LeaveTypes.php b/lib/Models/PayrollNz/LeaveTypes.php
index 8af69229..c0f50b61 100644
--- a/lib/Models/PayrollNz/LeaveTypes.php
+++ b/lib/Models/PayrollNz/LeaveTypes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class LeaveTypes implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''leave_types' => '\XeroAPI\XeroPHP\Models\PayrollNz\LeaveType[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'leave_types' => '\XeroAPI\XeroPHP\Models\PayrollNz\LeaveType[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class LeaveTypes implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'leave_types' => null
+        'pagination' => null,
+        'problem' => null,
+        'leave_types' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''leave_types' => 'leaveTypes'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'leave_types' => 'leaveTypes'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''leave_types' => 'setLeaveTypes'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'leave_types' => 'setLeaveTypes'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''leave_types' => 'getLeaveTypes'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'leave_types' => 'getLeaveTypes'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/ModelInterface.php b/lib/Models/PayrollNz/ModelInterface.php
index 87b320e9..27379043 100644
--- a/lib/Models/PayrollNz/ModelInterface.php
+++ b/lib/Models/PayrollNz/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollNz/Pagination.php b/lib/Models/PayrollNz/Pagination.php
index 65ccc18a..e1dc4044 100644
--- a/lib/Models/PayrollNz/Pagination.php
+++ b/lib/Models/PayrollNz/Pagination.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class Pagination implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'page' => 'int''page_size' => 'int''page_count' => 'int''item_count' => 'int'
+        'page' => 'int',
+        'page_size' => 'int',
+        'page_count' => 'int',
+        'item_count' => 'int'
     ];
 
     /**
@@ -67,7 +70,10 @@ class Pagination implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'page' => null'page_size' => null'page_count' => null'item_count' => null
+        'page' => null,
+        'page_size' => null,
+        'page_count' => null,
+        'item_count' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'page' => 'page''page_size' => 'pageSize''page_count' => 'pageCount''item_count' => 'itemCount'
+        'page' => 'page',
+        'page_size' => 'pageSize',
+        'page_count' => 'pageCount',
+        'item_count' => 'itemCount'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'page' => 'setPage''page_size' => 'setPageSize''page_count' => 'setPageCount''item_count' => 'setItemCount'
+        'page' => 'setPage',
+        'page_size' => 'setPageSize',
+        'page_count' => 'setPageCount',
+        'item_count' => 'setItemCount'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'page' => 'getPage''page_size' => 'getPageSize''page_count' => 'getPageCount''item_count' => 'getItemCount'
+        'page' => 'getPage',
+        'page_size' => 'getPageSize',
+        'page_count' => 'getPageCount',
+        'item_count' => 'getItemCount'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/PayRun.php b/lib/Models/PayrollNz/PayRun.php
index 37864b0e..92970f95 100644
--- a/lib/Models/PayrollNz/PayRun.php
+++ b/lib/Models/PayrollNz/PayRun.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,18 @@ class PayRun implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pay_run_id' => 'string''payroll_calendar_id' => 'string''period_start_date' => '\DateTime''period_end_date' => '\DateTime''payment_date' => '\DateTime''total_cost' => 'double''total_pay' => 'double''pay_run_status' => 'string''pay_run_type' => 'string''calendar_type' => '\XeroAPI\XeroPHP\Models\PayrollNz\CalendarType''posted_date_time' => '\DateTime''pay_slips' => '\XeroAPI\XeroPHP\Models\PayrollNz\PaySlip[]'
+        'pay_run_id' => 'string',
+        'payroll_calendar_id' => 'string',
+        'period_start_date' => '\DateTime',
+        'period_end_date' => '\DateTime',
+        'payment_date' => '\DateTime',
+        'total_cost' => 'double',
+        'total_pay' => 'double',
+        'pay_run_status' => 'string',
+        'pay_run_type' => 'string',
+        'calendar_type' => '\XeroAPI\XeroPHP\Models\PayrollNz\CalendarType',
+        'posted_date_time' => '\DateTime',
+        'pay_slips' => '\XeroAPI\XeroPHP\Models\PayrollNz\PaySlip[]'
     ];
 
     /**
@@ -67,7 +78,18 @@ class PayRun implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pay_run_id' => 'uuid''payroll_calendar_id' => 'uuid''period_start_date' => 'date''period_end_date' => 'date''payment_date' => 'date''total_cost' => 'double''total_pay' => 'double''pay_run_status' => null'pay_run_type' => null'calendar_type' => null'posted_date_time' => 'date''pay_slips' => null
+        'pay_run_id' => 'uuid',
+        'payroll_calendar_id' => 'uuid',
+        'period_start_date' => 'date',
+        'period_end_date' => 'date',
+        'payment_date' => 'date',
+        'total_cost' => 'double',
+        'total_pay' => 'double',
+        'pay_run_status' => null,
+        'pay_run_type' => null,
+        'calendar_type' => null,
+        'posted_date_time' => 'date',
+        'pay_slips' => null
     ];
 
     /**
@@ -97,7 +119,18 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pay_run_id' => 'payRunID''payroll_calendar_id' => 'payrollCalendarID''period_start_date' => 'periodStartDate''period_end_date' => 'periodEndDate''payment_date' => 'paymentDate''total_cost' => 'totalCost''total_pay' => 'totalPay''pay_run_status' => 'payRunStatus''pay_run_type' => 'payRunType''calendar_type' => 'calendarType''posted_date_time' => 'postedDateTime''pay_slips' => 'paySlips'
+        'pay_run_id' => 'payRunID',
+        'payroll_calendar_id' => 'payrollCalendarID',
+        'period_start_date' => 'periodStartDate',
+        'period_end_date' => 'periodEndDate',
+        'payment_date' => 'paymentDate',
+        'total_cost' => 'totalCost',
+        'total_pay' => 'totalPay',
+        'pay_run_status' => 'payRunStatus',
+        'pay_run_type' => 'payRunType',
+        'calendar_type' => 'calendarType',
+        'posted_date_time' => 'postedDateTime',
+        'pay_slips' => 'paySlips'
     ];
 
     /**
@@ -106,7 +139,18 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pay_run_id' => 'setPayRunId''payroll_calendar_id' => 'setPayrollCalendarId''period_start_date' => 'setPeriodStartDate''period_end_date' => 'setPeriodEndDate''payment_date' => 'setPaymentDate''total_cost' => 'setTotalCost''total_pay' => 'setTotalPay''pay_run_status' => 'setPayRunStatus''pay_run_type' => 'setPayRunType''calendar_type' => 'setCalendarType''posted_date_time' => 'setPostedDateTime''pay_slips' => 'setPaySlips'
+        'pay_run_id' => 'setPayRunId',
+        'payroll_calendar_id' => 'setPayrollCalendarId',
+        'period_start_date' => 'setPeriodStartDate',
+        'period_end_date' => 'setPeriodEndDate',
+        'payment_date' => 'setPaymentDate',
+        'total_cost' => 'setTotalCost',
+        'total_pay' => 'setTotalPay',
+        'pay_run_status' => 'setPayRunStatus',
+        'pay_run_type' => 'setPayRunType',
+        'calendar_type' => 'setCalendarType',
+        'posted_date_time' => 'setPostedDateTime',
+        'pay_slips' => 'setPaySlips'
     ];
 
     /**
@@ -115,7 +159,18 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pay_run_id' => 'getPayRunId''payroll_calendar_id' => 'getPayrollCalendarId''period_start_date' => 'getPeriodStartDate''period_end_date' => 'getPeriodEndDate''payment_date' => 'getPaymentDate''total_cost' => 'getTotalCost''total_pay' => 'getTotalPay''pay_run_status' => 'getPayRunStatus''pay_run_type' => 'getPayRunType''calendar_type' => 'getCalendarType''posted_date_time' => 'getPostedDateTime''pay_slips' => 'getPaySlips'
+        'pay_run_id' => 'getPayRunId',
+        'payroll_calendar_id' => 'getPayrollCalendarId',
+        'period_start_date' => 'getPeriodStartDate',
+        'period_end_date' => 'getPeriodEndDate',
+        'payment_date' => 'getPaymentDate',
+        'total_cost' => 'getTotalCost',
+        'total_pay' => 'getTotalPay',
+        'pay_run_status' => 'getPayRunStatus',
+        'pay_run_type' => 'getPayRunType',
+        'calendar_type' => 'getCalendarType',
+        'posted_date_time' => 'getPostedDateTime',
+        'pay_slips' => 'getPaySlips'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/PayRunCalendar.php b/lib/Models/PayrollNz/PayRunCalendar.php
index 931e88d8..ed69e429 100644
--- a/lib/Models/PayrollNz/PayRunCalendar.php
+++ b/lib/Models/PayrollNz/PayRunCalendar.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,13 @@ class PayRunCalendar implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'payroll_calendar_id' => 'string''name' => 'string''calendar_type' => '\XeroAPI\XeroPHP\Models\PayrollNz\CalendarType''period_start_date' => '\DateTime''period_end_date' => '\DateTime''payment_date' => '\DateTime''updated_date_utc' => '\DateTime'
+        'payroll_calendar_id' => 'string',
+        'name' => 'string',
+        'calendar_type' => '\XeroAPI\XeroPHP\Models\PayrollNz\CalendarType',
+        'period_start_date' => '\DateTime',
+        'period_end_date' => '\DateTime',
+        'payment_date' => '\DateTime',
+        'updated_date_utc' => '\DateTime'
     ];
 
     /**
@@ -67,7 +73,13 @@ class PayRunCalendar implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'payroll_calendar_id' => 'uuid''name' => null'calendar_type' => null'period_start_date' => 'date''period_end_date' => 'date''payment_date' => 'date''updated_date_utc' => 'date-time'
+        'payroll_calendar_id' => 'uuid',
+        'name' => null,
+        'calendar_type' => null,
+        'period_start_date' => 'date',
+        'period_end_date' => 'date',
+        'payment_date' => 'date',
+        'updated_date_utc' => 'date-time'
     ];
 
     /**
@@ -97,7 +109,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'payroll_calendar_id' => 'payrollCalendarID''name' => 'name''calendar_type' => 'calendarType''period_start_date' => 'periodStartDate''period_end_date' => 'periodEndDate''payment_date' => 'paymentDate''updated_date_utc' => 'updatedDateUTC'
+        'payroll_calendar_id' => 'payrollCalendarID',
+        'name' => 'name',
+        'calendar_type' => 'calendarType',
+        'period_start_date' => 'periodStartDate',
+        'period_end_date' => 'periodEndDate',
+        'payment_date' => 'paymentDate',
+        'updated_date_utc' => 'updatedDateUTC'
     ];
 
     /**
@@ -106,7 +124,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'payroll_calendar_id' => 'setPayrollCalendarId''name' => 'setName''calendar_type' => 'setCalendarType''period_start_date' => 'setPeriodStartDate''period_end_date' => 'setPeriodEndDate''payment_date' => 'setPaymentDate''updated_date_utc' => 'setUpdatedDateUtc'
+        'payroll_calendar_id' => 'setPayrollCalendarId',
+        'name' => 'setName',
+        'calendar_type' => 'setCalendarType',
+        'period_start_date' => 'setPeriodStartDate',
+        'period_end_date' => 'setPeriodEndDate',
+        'payment_date' => 'setPaymentDate',
+        'updated_date_utc' => 'setUpdatedDateUtc'
     ];
 
     /**
@@ -115,7 +139,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'payroll_calendar_id' => 'getPayrollCalendarId''name' => 'getName''calendar_type' => 'getCalendarType''period_start_date' => 'getPeriodStartDate''period_end_date' => 'getPeriodEndDate''payment_date' => 'getPaymentDate''updated_date_utc' => 'getUpdatedDateUtc'
+        'payroll_calendar_id' => 'getPayrollCalendarId',
+        'name' => 'getName',
+        'calendar_type' => 'getCalendarType',
+        'period_start_date' => 'getPeriodStartDate',
+        'period_end_date' => 'getPeriodEndDate',
+        'payment_date' => 'getPaymentDate',
+        'updated_date_utc' => 'getUpdatedDateUtc'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/PayRunCalendarObject.php b/lib/Models/PayrollNz/PayRunCalendarObject.php
index 11290771..7b5323d9 100644
--- a/lib/Models/PayrollNz/PayRunCalendarObject.php
+++ b/lib/Models/PayrollNz/PayRunCalendarObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class PayRunCalendarObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''pay_run_calendar' => '\XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendar'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'pay_run_calendar' => '\XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendar'
     ];
 
     /**
@@ -67,7 +69,9 @@ class PayRunCalendarObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'pay_run_calendar' => null
+        'pagination' => null,
+        'problem' => null,
+        'pay_run_calendar' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''pay_run_calendar' => 'payRunCalendar'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'pay_run_calendar' => 'payRunCalendar'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''pay_run_calendar' => 'setPayRunCalendar'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'pay_run_calendar' => 'setPayRunCalendar'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''pay_run_calendar' => 'getPayRunCalendar'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'pay_run_calendar' => 'getPayRunCalendar'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/PayRunCalendars.php b/lib/Models/PayrollNz/PayRunCalendars.php
index 0c6cfdbb..a03938c0 100644
--- a/lib/Models/PayrollNz/PayRunCalendars.php
+++ b/lib/Models/PayrollNz/PayRunCalendars.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class PayRunCalendars implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''pay_run_calendars' => '\XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendar[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'pay_run_calendars' => '\XeroAPI\XeroPHP\Models\PayrollNz\PayRunCalendar[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class PayRunCalendars implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'pay_run_calendars' => null
+        'pagination' => null,
+        'problem' => null,
+        'pay_run_calendars' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''pay_run_calendars' => 'payRunCalendars'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'pay_run_calendars' => 'payRunCalendars'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''pay_run_calendars' => 'setPayRunCalendars'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'pay_run_calendars' => 'setPayRunCalendars'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''pay_run_calendars' => 'getPayRunCalendars'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'pay_run_calendars' => 'getPayRunCalendars'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/PayRunObject.php b/lib/Models/PayrollNz/PayRunObject.php
index b3508dac..f7337da5 100644
--- a/lib/Models/PayrollNz/PayRunObject.php
+++ b/lib/Models/PayrollNz/PayRunObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class PayRunObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''pay_run' => '\XeroAPI\XeroPHP\Models\PayrollNz\PayRun'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'pay_run' => '\XeroAPI\XeroPHP\Models\PayrollNz\PayRun'
     ];
 
     /**
@@ -67,7 +69,9 @@ class PayRunObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'pay_run' => null
+        'pagination' => null,
+        'problem' => null,
+        'pay_run' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''pay_run' => 'payRun'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'pay_run' => 'payRun'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''pay_run' => 'setPayRun'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'pay_run' => 'setPayRun'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''pay_run' => 'getPayRun'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'pay_run' => 'getPayRun'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/PayRuns.php b/lib/Models/PayrollNz/PayRuns.php
index 786c9768..1a1aa4b0 100644
--- a/lib/Models/PayrollNz/PayRuns.php
+++ b/lib/Models/PayrollNz/PayRuns.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class PayRuns implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''pay_runs' => '\XeroAPI\XeroPHP\Models\PayrollNz\PayRun[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'pay_runs' => '\XeroAPI\XeroPHP\Models\PayrollNz\PayRun[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class PayRuns implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'pay_runs' => null
+        'pagination' => null,
+        'problem' => null,
+        'pay_runs' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''pay_runs' => 'payRuns'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'pay_runs' => 'payRuns'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''pay_runs' => 'setPayRuns'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'pay_runs' => 'setPayRuns'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''pay_runs' => 'getPayRuns'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'pay_runs' => 'getPayRuns'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/PaySlip.php b/lib/Models/PayrollNz/PaySlip.php
index 2133dd4f..816dc3af 100644
--- a/lib/Models/PayrollNz/PaySlip.php
+++ b/lib/Models/PayrollNz/PaySlip.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,36 @@ class PaySlip implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pay_slip_id' => 'string''employee_id' => 'string''pay_run_id' => 'string''last_edited' => '\DateTime''first_name' => 'string''last_name' => 'string''total_earnings' => 'double''gross_earnings' => 'double''total_pay' => 'double''total_employer_taxes' => 'double''total_employee_taxes' => 'double''total_deductions' => 'double''total_reimbursements' => 'double''total_statutory_deductions' => 'double''total_superannuation' => 'double''bacs_hash' => 'string''payment_method' => 'string''earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsLine[]''leave_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\LeaveEarningsLine[]''timesheet_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetEarningsLine[]''deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\DeductionLine[]''reimbursement_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\ReimbursementLine[]''leave_accrual_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\LeaveAccrualLine[]''superannuation_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\SuperannuationLine[]''payment_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\PaymentLine[]''employee_tax_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\TaxLine[]''employer_tax_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\TaxLine[]''statutory_deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeductionLine[]''tax_settings' => '\XeroAPI\XeroPHP\Models\PayrollNz\TaxSettings''gross_earnings_history' => '\XeroAPI\XeroPHP\Models\PayrollNz\GrossEarningsHistory'
+        'pay_slip_id' => 'string',
+        'employee_id' => 'string',
+        'pay_run_id' => 'string',
+        'last_edited' => '\DateTime',
+        'first_name' => 'string',
+        'last_name' => 'string',
+        'total_earnings' => 'double',
+        'gross_earnings' => 'double',
+        'total_pay' => 'double',
+        'total_employer_taxes' => 'double',
+        'total_employee_taxes' => 'double',
+        'total_deductions' => 'double',
+        'total_reimbursements' => 'double',
+        'total_statutory_deductions' => 'double',
+        'total_superannuation' => 'double',
+        'bacs_hash' => 'string',
+        'payment_method' => 'string',
+        'earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\EarningsLine[]',
+        'leave_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\LeaveEarningsLine[]',
+        'timesheet_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetEarningsLine[]',
+        'deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\DeductionLine[]',
+        'reimbursement_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\ReimbursementLine[]',
+        'leave_accrual_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\LeaveAccrualLine[]',
+        'superannuation_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\SuperannuationLine[]',
+        'payment_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\PaymentLine[]',
+        'employee_tax_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\TaxLine[]',
+        'employer_tax_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\TaxLine[]',
+        'statutory_deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeductionLine[]',
+        'tax_settings' => '\XeroAPI\XeroPHP\Models\PayrollNz\TaxSettings',
+        'gross_earnings_history' => '\XeroAPI\XeroPHP\Models\PayrollNz\GrossEarningsHistory'
     ];
 
     /**
@@ -67,7 +96,36 @@ class PaySlip implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pay_slip_id' => 'uuid''employee_id' => 'uuid''pay_run_id' => 'uuid''last_edited' => 'date''first_name' => null'last_name' => null'total_earnings' => 'double''gross_earnings' => 'double''total_pay' => 'double''total_employer_taxes' => 'double''total_employee_taxes' => 'double''total_deductions' => 'double''total_reimbursements' => 'double''total_statutory_deductions' => 'double''total_superannuation' => 'double''bacs_hash' => null'payment_method' => null'earnings_lines' => null'leave_earnings_lines' => null'timesheet_earnings_lines' => null'deduction_lines' => null'reimbursement_lines' => null'leave_accrual_lines' => null'superannuation_lines' => null'payment_lines' => null'employee_tax_lines' => null'employer_tax_lines' => null'statutory_deduction_lines' => null'tax_settings' => null'gross_earnings_history' => null
+        'pay_slip_id' => 'uuid',
+        'employee_id' => 'uuid',
+        'pay_run_id' => 'uuid',
+        'last_edited' => 'date',
+        'first_name' => null,
+        'last_name' => null,
+        'total_earnings' => 'double',
+        'gross_earnings' => 'double',
+        'total_pay' => 'double',
+        'total_employer_taxes' => 'double',
+        'total_employee_taxes' => 'double',
+        'total_deductions' => 'double',
+        'total_reimbursements' => 'double',
+        'total_statutory_deductions' => 'double',
+        'total_superannuation' => 'double',
+        'bacs_hash' => null,
+        'payment_method' => null,
+        'earnings_lines' => null,
+        'leave_earnings_lines' => null,
+        'timesheet_earnings_lines' => null,
+        'deduction_lines' => null,
+        'reimbursement_lines' => null,
+        'leave_accrual_lines' => null,
+        'superannuation_lines' => null,
+        'payment_lines' => null,
+        'employee_tax_lines' => null,
+        'employer_tax_lines' => null,
+        'statutory_deduction_lines' => null,
+        'tax_settings' => null,
+        'gross_earnings_history' => null
     ];
 
     /**
@@ -97,7 +155,36 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pay_slip_id' => 'paySlipID''employee_id' => 'employeeID''pay_run_id' => 'payRunID''last_edited' => 'lastEdited''first_name' => 'firstName''last_name' => 'lastName''total_earnings' => 'totalEarnings''gross_earnings' => 'grossEarnings''total_pay' => 'totalPay''total_employer_taxes' => 'totalEmployerTaxes''total_employee_taxes' => 'totalEmployeeTaxes''total_deductions' => 'totalDeductions''total_reimbursements' => 'totalReimbursements''total_statutory_deductions' => 'totalStatutoryDeductions''total_superannuation' => 'totalSuperannuation''bacs_hash' => 'bacsHash''payment_method' => 'paymentMethod''earnings_lines' => 'earningsLines''leave_earnings_lines' => 'leaveEarningsLines''timesheet_earnings_lines' => 'timesheetEarningsLines''deduction_lines' => 'deductionLines''reimbursement_lines' => 'reimbursementLines''leave_accrual_lines' => 'leaveAccrualLines''superannuation_lines' => 'superannuationLines''payment_lines' => 'paymentLines''employee_tax_lines' => 'employeeTaxLines''employer_tax_lines' => 'employerTaxLines''statutory_deduction_lines' => 'statutoryDeductionLines''tax_settings' => 'taxSettings''gross_earnings_history' => 'grossEarningsHistory'
+        'pay_slip_id' => 'paySlipID',
+        'employee_id' => 'employeeID',
+        'pay_run_id' => 'payRunID',
+        'last_edited' => 'lastEdited',
+        'first_name' => 'firstName',
+        'last_name' => 'lastName',
+        'total_earnings' => 'totalEarnings',
+        'gross_earnings' => 'grossEarnings',
+        'total_pay' => 'totalPay',
+        'total_employer_taxes' => 'totalEmployerTaxes',
+        'total_employee_taxes' => 'totalEmployeeTaxes',
+        'total_deductions' => 'totalDeductions',
+        'total_reimbursements' => 'totalReimbursements',
+        'total_statutory_deductions' => 'totalStatutoryDeductions',
+        'total_superannuation' => 'totalSuperannuation',
+        'bacs_hash' => 'bacsHash',
+        'payment_method' => 'paymentMethod',
+        'earnings_lines' => 'earningsLines',
+        'leave_earnings_lines' => 'leaveEarningsLines',
+        'timesheet_earnings_lines' => 'timesheetEarningsLines',
+        'deduction_lines' => 'deductionLines',
+        'reimbursement_lines' => 'reimbursementLines',
+        'leave_accrual_lines' => 'leaveAccrualLines',
+        'superannuation_lines' => 'superannuationLines',
+        'payment_lines' => 'paymentLines',
+        'employee_tax_lines' => 'employeeTaxLines',
+        'employer_tax_lines' => 'employerTaxLines',
+        'statutory_deduction_lines' => 'statutoryDeductionLines',
+        'tax_settings' => 'taxSettings',
+        'gross_earnings_history' => 'grossEarningsHistory'
     ];
 
     /**
@@ -106,7 +193,36 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pay_slip_id' => 'setPaySlipId''employee_id' => 'setEmployeeId''pay_run_id' => 'setPayRunId''last_edited' => 'setLastEdited''first_name' => 'setFirstName''last_name' => 'setLastName''total_earnings' => 'setTotalEarnings''gross_earnings' => 'setGrossEarnings''total_pay' => 'setTotalPay''total_employer_taxes' => 'setTotalEmployerTaxes''total_employee_taxes' => 'setTotalEmployeeTaxes''total_deductions' => 'setTotalDeductions''total_reimbursements' => 'setTotalReimbursements''total_statutory_deductions' => 'setTotalStatutoryDeductions''total_superannuation' => 'setTotalSuperannuation''bacs_hash' => 'setBacsHash''payment_method' => 'setPaymentMethod''earnings_lines' => 'setEarningsLines''leave_earnings_lines' => 'setLeaveEarningsLines''timesheet_earnings_lines' => 'setTimesheetEarningsLines''deduction_lines' => 'setDeductionLines''reimbursement_lines' => 'setReimbursementLines''leave_accrual_lines' => 'setLeaveAccrualLines''superannuation_lines' => 'setSuperannuationLines''payment_lines' => 'setPaymentLines''employee_tax_lines' => 'setEmployeeTaxLines''employer_tax_lines' => 'setEmployerTaxLines''statutory_deduction_lines' => 'setStatutoryDeductionLines''tax_settings' => 'setTaxSettings''gross_earnings_history' => 'setGrossEarningsHistory'
+        'pay_slip_id' => 'setPaySlipId',
+        'employee_id' => 'setEmployeeId',
+        'pay_run_id' => 'setPayRunId',
+        'last_edited' => 'setLastEdited',
+        'first_name' => 'setFirstName',
+        'last_name' => 'setLastName',
+        'total_earnings' => 'setTotalEarnings',
+        'gross_earnings' => 'setGrossEarnings',
+        'total_pay' => 'setTotalPay',
+        'total_employer_taxes' => 'setTotalEmployerTaxes',
+        'total_employee_taxes' => 'setTotalEmployeeTaxes',
+        'total_deductions' => 'setTotalDeductions',
+        'total_reimbursements' => 'setTotalReimbursements',
+        'total_statutory_deductions' => 'setTotalStatutoryDeductions',
+        'total_superannuation' => 'setTotalSuperannuation',
+        'bacs_hash' => 'setBacsHash',
+        'payment_method' => 'setPaymentMethod',
+        'earnings_lines' => 'setEarningsLines',
+        'leave_earnings_lines' => 'setLeaveEarningsLines',
+        'timesheet_earnings_lines' => 'setTimesheetEarningsLines',
+        'deduction_lines' => 'setDeductionLines',
+        'reimbursement_lines' => 'setReimbursementLines',
+        'leave_accrual_lines' => 'setLeaveAccrualLines',
+        'superannuation_lines' => 'setSuperannuationLines',
+        'payment_lines' => 'setPaymentLines',
+        'employee_tax_lines' => 'setEmployeeTaxLines',
+        'employer_tax_lines' => 'setEmployerTaxLines',
+        'statutory_deduction_lines' => 'setStatutoryDeductionLines',
+        'tax_settings' => 'setTaxSettings',
+        'gross_earnings_history' => 'setGrossEarningsHistory'
     ];
 
     /**
@@ -115,7 +231,36 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pay_slip_id' => 'getPaySlipId''employee_id' => 'getEmployeeId''pay_run_id' => 'getPayRunId''last_edited' => 'getLastEdited''first_name' => 'getFirstName''last_name' => 'getLastName''total_earnings' => 'getTotalEarnings''gross_earnings' => 'getGrossEarnings''total_pay' => 'getTotalPay''total_employer_taxes' => 'getTotalEmployerTaxes''total_employee_taxes' => 'getTotalEmployeeTaxes''total_deductions' => 'getTotalDeductions''total_reimbursements' => 'getTotalReimbursements''total_statutory_deductions' => 'getTotalStatutoryDeductions''total_superannuation' => 'getTotalSuperannuation''bacs_hash' => 'getBacsHash''payment_method' => 'getPaymentMethod''earnings_lines' => 'getEarningsLines''leave_earnings_lines' => 'getLeaveEarningsLines''timesheet_earnings_lines' => 'getTimesheetEarningsLines''deduction_lines' => 'getDeductionLines''reimbursement_lines' => 'getReimbursementLines''leave_accrual_lines' => 'getLeaveAccrualLines''superannuation_lines' => 'getSuperannuationLines''payment_lines' => 'getPaymentLines''employee_tax_lines' => 'getEmployeeTaxLines''employer_tax_lines' => 'getEmployerTaxLines''statutory_deduction_lines' => 'getStatutoryDeductionLines''tax_settings' => 'getTaxSettings''gross_earnings_history' => 'getGrossEarningsHistory'
+        'pay_slip_id' => 'getPaySlipId',
+        'employee_id' => 'getEmployeeId',
+        'pay_run_id' => 'getPayRunId',
+        'last_edited' => 'getLastEdited',
+        'first_name' => 'getFirstName',
+        'last_name' => 'getLastName',
+        'total_earnings' => 'getTotalEarnings',
+        'gross_earnings' => 'getGrossEarnings',
+        'total_pay' => 'getTotalPay',
+        'total_employer_taxes' => 'getTotalEmployerTaxes',
+        'total_employee_taxes' => 'getTotalEmployeeTaxes',
+        'total_deductions' => 'getTotalDeductions',
+        'total_reimbursements' => 'getTotalReimbursements',
+        'total_statutory_deductions' => 'getTotalStatutoryDeductions',
+        'total_superannuation' => 'getTotalSuperannuation',
+        'bacs_hash' => 'getBacsHash',
+        'payment_method' => 'getPaymentMethod',
+        'earnings_lines' => 'getEarningsLines',
+        'leave_earnings_lines' => 'getLeaveEarningsLines',
+        'timesheet_earnings_lines' => 'getTimesheetEarningsLines',
+        'deduction_lines' => 'getDeductionLines',
+        'reimbursement_lines' => 'getReimbursementLines',
+        'leave_accrual_lines' => 'getLeaveAccrualLines',
+        'superannuation_lines' => 'getSuperannuationLines',
+        'payment_lines' => 'getPaymentLines',
+        'employee_tax_lines' => 'getEmployeeTaxLines',
+        'employer_tax_lines' => 'getEmployerTaxLines',
+        'statutory_deduction_lines' => 'getStatutoryDeductionLines',
+        'tax_settings' => 'getTaxSettings',
+        'gross_earnings_history' => 'getGrossEarningsHistory'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/PaySlipObject.php b/lib/Models/PayrollNz/PaySlipObject.php
index 6e4a8e14..ae497e9e 100644
--- a/lib/Models/PayrollNz/PaySlipObject.php
+++ b/lib/Models/PayrollNz/PaySlipObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class PaySlipObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''pay_slip' => '\XeroAPI\XeroPHP\Models\PayrollNz\PaySlip'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'pay_slip' => '\XeroAPI\XeroPHP\Models\PayrollNz\PaySlip'
     ];
 
     /**
@@ -67,7 +69,9 @@ class PaySlipObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'pay_slip' => null
+        'pagination' => null,
+        'problem' => null,
+        'pay_slip' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''pay_slip' => 'paySlip'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'pay_slip' => 'paySlip'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''pay_slip' => 'setPaySlip'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'pay_slip' => 'setPaySlip'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''pay_slip' => 'getPaySlip'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'pay_slip' => 'getPaySlip'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/PaySlips.php b/lib/Models/PayrollNz/PaySlips.php
index aada8474..d3c8feaa 100644
--- a/lib/Models/PayrollNz/PaySlips.php
+++ b/lib/Models/PayrollNz/PaySlips.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class PaySlips implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''pay_slips' => '\XeroAPI\XeroPHP\Models\PayrollNz\PaySlip[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'pay_slips' => '\XeroAPI\XeroPHP\Models\PayrollNz\PaySlip[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class PaySlips implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'pay_slips' => null
+        'pagination' => null,
+        'problem' => null,
+        'pay_slips' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''pay_slips' => 'paySlips'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'pay_slips' => 'paySlips'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''pay_slips' => 'setPaySlips'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'pay_slips' => 'setPaySlips'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''pay_slips' => 'getPaySlips'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'pay_slips' => 'getPaySlips'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/PaymentLine.php b/lib/Models/PayrollNz/PaymentLine.php
index 91b26a43..a7ac5e62 100644
--- a/lib/Models/PayrollNz/PaymentLine.php
+++ b/lib/Models/PayrollNz/PaymentLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class PaymentLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'payment_line_id' => 'string''amount' => 'double''account_number' => 'string''sort_code' => 'string''account_name' => 'string'
+        'payment_line_id' => 'string',
+        'amount' => 'double',
+        'account_number' => 'string',
+        'sort_code' => 'string',
+        'account_name' => 'string'
     ];
 
     /**
@@ -67,7 +71,11 @@ class PaymentLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'payment_line_id' => 'uuid''amount' => 'double''account_number' => null'sort_code' => null'account_name' => null
+        'payment_line_id' => 'uuid',
+        'amount' => 'double',
+        'account_number' => null,
+        'sort_code' => null,
+        'account_name' => null
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'payment_line_id' => 'paymentLineID''amount' => 'amount''account_number' => 'accountNumber''sort_code' => 'sortCode''account_name' => 'accountName'
+        'payment_line_id' => 'paymentLineID',
+        'amount' => 'amount',
+        'account_number' => 'accountNumber',
+        'sort_code' => 'sortCode',
+        'account_name' => 'accountName'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'payment_line_id' => 'setPaymentLineId''amount' => 'setAmount''account_number' => 'setAccountNumber''sort_code' => 'setSortCode''account_name' => 'setAccountName'
+        'payment_line_id' => 'setPaymentLineId',
+        'amount' => 'setAmount',
+        'account_number' => 'setAccountNumber',
+        'sort_code' => 'setSortCode',
+        'account_name' => 'setAccountName'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'payment_line_id' => 'getPaymentLineId''amount' => 'getAmount''account_number' => 'getAccountNumber''sort_code' => 'getSortCode''account_name' => 'getAccountName'
+        'payment_line_id' => 'getPaymentLineId',
+        'amount' => 'getAmount',
+        'account_number' => 'getAccountNumber',
+        'sort_code' => 'getSortCode',
+        'account_name' => 'getAccountName'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/PaymentMethod.php b/lib/Models/PayrollNz/PaymentMethod.php
index da8ce395..fc7ad180 100644
--- a/lib/Models/PayrollNz/PaymentMethod.php
+++ b/lib/Models/PayrollNz/PaymentMethod.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class PaymentMethod implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'payment_method' => 'string''bank_accounts' => '\XeroAPI\XeroPHP\Models\PayrollNz\BankAccount[]'
+        'payment_method' => 'string',
+        'bank_accounts' => '\XeroAPI\XeroPHP\Models\PayrollNz\BankAccount[]'
     ];
 
     /**
@@ -67,7 +68,8 @@ class PaymentMethod implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'payment_method' => null'bank_accounts' => null
+        'payment_method' => null,
+        'bank_accounts' => null
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'payment_method' => 'paymentMethod''bank_accounts' => 'bankAccounts'
+        'payment_method' => 'paymentMethod',
+        'bank_accounts' => 'bankAccounts'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'payment_method' => 'setPaymentMethod''bank_accounts' => 'setBankAccounts'
+        'payment_method' => 'setPaymentMethod',
+        'bank_accounts' => 'setBankAccounts'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'payment_method' => 'getPaymentMethod''bank_accounts' => 'getBankAccounts'
+        'payment_method' => 'getPaymentMethod',
+        'bank_accounts' => 'getBankAccounts'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/PaymentMethodObject.php b/lib/Models/PayrollNz/PaymentMethodObject.php
index 9f95513f..825a26e4 100644
--- a/lib/Models/PayrollNz/PaymentMethodObject.php
+++ b/lib/Models/PayrollNz/PaymentMethodObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class PaymentMethodObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''payment_method' => '\XeroAPI\XeroPHP\Models\PayrollNz\PaymentMethod'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'payment_method' => '\XeroAPI\XeroPHP\Models\PayrollNz\PaymentMethod'
     ];
 
     /**
@@ -67,7 +69,9 @@ class PaymentMethodObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'payment_method' => null
+        'pagination' => null,
+        'problem' => null,
+        'payment_method' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''payment_method' => 'paymentMethod'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'payment_method' => 'paymentMethod'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''payment_method' => 'setPaymentMethod'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'payment_method' => 'setPaymentMethod'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''payment_method' => 'getPaymentMethod'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'payment_method' => 'getPaymentMethod'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/Problem.php b/lib/Models/PayrollNz/Problem.php
index ff85de3b..f2e14538 100644
--- a/lib/Models/PayrollNz/Problem.php
+++ b/lib/Models/PayrollNz/Problem.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -59,7 +59,12 @@ class Problem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'type' => 'string''title' => 'string''status' => 'string''detail' => 'string''instance' => 'string''invalid_fields' => '\XeroAPI\XeroPHP\Models\PayrollNz\InvalidField[]'
+        'type' => 'string',
+        'title' => 'string',
+        'status' => 'string',
+        'detail' => 'string',
+        'instance' => 'string',
+        'invalid_fields' => '\XeroAPI\XeroPHP\Models\PayrollNz\InvalidField[]'
     ];
 
     /**
@@ -68,7 +73,12 @@ class Problem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'type' => null'title' => null'status' => null'detail' => null'instance' => null'invalid_fields' => null
+        'type' => null,
+        'title' => null,
+        'status' => null,
+        'detail' => null,
+        'instance' => null,
+        'invalid_fields' => null
     ];
 
     /**
@@ -98,7 +108,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'type' => 'type''title' => 'title''status' => 'status''detail' => 'detail''instance' => 'instance''invalid_fields' => 'invalidFields'
+        'type' => 'type',
+        'title' => 'title',
+        'status' => 'status',
+        'detail' => 'detail',
+        'instance' => 'instance',
+        'invalid_fields' => 'invalidFields'
     ];
 
     /**
@@ -107,7 +122,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'type' => 'setType''title' => 'setTitle''status' => 'setStatus''detail' => 'setDetail''instance' => 'setInstance''invalid_fields' => 'setInvalidFields'
+        'type' => 'setType',
+        'title' => 'setTitle',
+        'status' => 'setStatus',
+        'detail' => 'setDetail',
+        'instance' => 'setInstance',
+        'invalid_fields' => 'setInvalidFields'
     ];
 
     /**
@@ -116,7 +136,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'type' => 'getType''title' => 'getTitle''status' => 'getStatus''detail' => 'getDetail''instance' => 'getInstance''invalid_fields' => 'getInvalidFields'
+        'type' => 'getType',
+        'title' => 'getTitle',
+        'status' => 'getStatus',
+        'detail' => 'getDetail',
+        'instance' => 'getInstance',
+        'invalid_fields' => 'getInvalidFields'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/Reimbursement.php b/lib/Models/PayrollNz/Reimbursement.php
index 2fdc33b2..8aeb73d7 100644
--- a/lib/Models/PayrollNz/Reimbursement.php
+++ b/lib/Models/PayrollNz/Reimbursement.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,15 @@ class Reimbursement implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'reimbursement_id' => 'string''name' => 'string''account_id' => 'string''current_record' => 'bool''reimbursement_category' => 'string''calculation_type' => 'string''standard_amount' => 'string''standard_type_of_units' => 'string''standard_rate_per_unit' => 'double'
+        'reimbursement_id' => 'string',
+        'name' => 'string',
+        'account_id' => 'string',
+        'current_record' => 'bool',
+        'reimbursement_category' => 'string',
+        'calculation_type' => 'string',
+        'standard_amount' => 'string',
+        'standard_type_of_units' => 'string',
+        'standard_rate_per_unit' => 'double'
     ];
 
     /**
@@ -67,7 +75,15 @@ class Reimbursement implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'reimbursement_id' => 'uuid''name' => null'account_id' => 'uuid''current_record' => null'reimbursement_category' => null'calculation_type' => null'standard_amount' => null'standard_type_of_units' => null'standard_rate_per_unit' => 'double'
+        'reimbursement_id' => 'uuid',
+        'name' => null,
+        'account_id' => 'uuid',
+        'current_record' => null,
+        'reimbursement_category' => null,
+        'calculation_type' => null,
+        'standard_amount' => null,
+        'standard_type_of_units' => null,
+        'standard_rate_per_unit' => 'double'
     ];
 
     /**
@@ -97,7 +113,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'reimbursement_id' => 'reimbursementID''name' => 'name''account_id' => 'accountID''current_record' => 'currentRecord''reimbursement_category' => 'reimbursementCategory''calculation_type' => 'calculationType''standard_amount' => 'standardAmount''standard_type_of_units' => 'standardTypeOfUnits''standard_rate_per_unit' => 'standardRatePerUnit'
+        'reimbursement_id' => 'reimbursementID',
+        'name' => 'name',
+        'account_id' => 'accountID',
+        'current_record' => 'currentRecord',
+        'reimbursement_category' => 'reimbursementCategory',
+        'calculation_type' => 'calculationType',
+        'standard_amount' => 'standardAmount',
+        'standard_type_of_units' => 'standardTypeOfUnits',
+        'standard_rate_per_unit' => 'standardRatePerUnit'
     ];
 
     /**
@@ -106,7 +130,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'reimbursement_id' => 'setReimbursementId''name' => 'setName''account_id' => 'setAccountId''current_record' => 'setCurrentRecord''reimbursement_category' => 'setReimbursementCategory''calculation_type' => 'setCalculationType''standard_amount' => 'setStandardAmount''standard_type_of_units' => 'setStandardTypeOfUnits''standard_rate_per_unit' => 'setStandardRatePerUnit'
+        'reimbursement_id' => 'setReimbursementId',
+        'name' => 'setName',
+        'account_id' => 'setAccountId',
+        'current_record' => 'setCurrentRecord',
+        'reimbursement_category' => 'setReimbursementCategory',
+        'calculation_type' => 'setCalculationType',
+        'standard_amount' => 'setStandardAmount',
+        'standard_type_of_units' => 'setStandardTypeOfUnits',
+        'standard_rate_per_unit' => 'setStandardRatePerUnit'
     ];
 
     /**
@@ -115,7 +147,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'reimbursement_id' => 'getReimbursementId''name' => 'getName''account_id' => 'getAccountId''current_record' => 'getCurrentRecord''reimbursement_category' => 'getReimbursementCategory''calculation_type' => 'getCalculationType''standard_amount' => 'getStandardAmount''standard_type_of_units' => 'getStandardTypeOfUnits''standard_rate_per_unit' => 'getStandardRatePerUnit'
+        'reimbursement_id' => 'getReimbursementId',
+        'name' => 'getName',
+        'account_id' => 'getAccountId',
+        'current_record' => 'getCurrentRecord',
+        'reimbursement_category' => 'getReimbursementCategory',
+        'calculation_type' => 'getCalculationType',
+        'standard_amount' => 'getStandardAmount',
+        'standard_type_of_units' => 'getStandardTypeOfUnits',
+        'standard_rate_per_unit' => 'getStandardRatePerUnit'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/ReimbursementLine.php b/lib/Models/PayrollNz/ReimbursementLine.php
index 97795178..349cd8d4 100644
--- a/lib/Models/PayrollNz/ReimbursementLine.php
+++ b/lib/Models/PayrollNz/ReimbursementLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class ReimbursementLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'reimbursement_type_id' => 'string''description' => 'string''amount' => 'double''rate_per_unit' => 'double''number_of_units' => 'double'
+        'reimbursement_type_id' => 'string',
+        'description' => 'string',
+        'amount' => 'double',
+        'rate_per_unit' => 'double',
+        'number_of_units' => 'double'
     ];
 
     /**
@@ -67,7 +71,11 @@ class ReimbursementLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'reimbursement_type_id' => 'uuid''description' => null'amount' => 'double''rate_per_unit' => 'double''number_of_units' => 'double'
+        'reimbursement_type_id' => 'uuid',
+        'description' => null,
+        'amount' => 'double',
+        'rate_per_unit' => 'double',
+        'number_of_units' => 'double'
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'reimbursement_type_id' => 'reimbursementTypeID''description' => 'description''amount' => 'amount''rate_per_unit' => 'ratePerUnit''number_of_units' => 'numberOfUnits'
+        'reimbursement_type_id' => 'reimbursementTypeID',
+        'description' => 'description',
+        'amount' => 'amount',
+        'rate_per_unit' => 'ratePerUnit',
+        'number_of_units' => 'numberOfUnits'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'reimbursement_type_id' => 'setReimbursementTypeId''description' => 'setDescription''amount' => 'setAmount''rate_per_unit' => 'setRatePerUnit''number_of_units' => 'setNumberOfUnits'
+        'reimbursement_type_id' => 'setReimbursementTypeId',
+        'description' => 'setDescription',
+        'amount' => 'setAmount',
+        'rate_per_unit' => 'setRatePerUnit',
+        'number_of_units' => 'setNumberOfUnits'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'reimbursement_type_id' => 'getReimbursementTypeId''description' => 'getDescription''amount' => 'getAmount''rate_per_unit' => 'getRatePerUnit''number_of_units' => 'getNumberOfUnits'
+        'reimbursement_type_id' => 'getReimbursementTypeId',
+        'description' => 'getDescription',
+        'amount' => 'getAmount',
+        'rate_per_unit' => 'getRatePerUnit',
+        'number_of_units' => 'getNumberOfUnits'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/ReimbursementObject.php b/lib/Models/PayrollNz/ReimbursementObject.php
index 6e725b02..1605ff87 100644
--- a/lib/Models/PayrollNz/ReimbursementObject.php
+++ b/lib/Models/PayrollNz/ReimbursementObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class ReimbursementObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''reimbursement' => '\XeroAPI\XeroPHP\Models\PayrollNz\Reimbursement'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'reimbursement' => '\XeroAPI\XeroPHP\Models\PayrollNz\Reimbursement'
     ];
 
     /**
@@ -67,7 +69,9 @@ class ReimbursementObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'reimbursement' => null
+        'pagination' => null,
+        'problem' => null,
+        'reimbursement' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''reimbursement' => 'reimbursement'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'reimbursement' => 'reimbursement'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''reimbursement' => 'setReimbursement'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'reimbursement' => 'setReimbursement'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''reimbursement' => 'getReimbursement'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'reimbursement' => 'getReimbursement'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/Reimbursements.php b/lib/Models/PayrollNz/Reimbursements.php
index f18b81de..dfc94075 100644
--- a/lib/Models/PayrollNz/Reimbursements.php
+++ b/lib/Models/PayrollNz/Reimbursements.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class Reimbursements implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''reimbursements' => '\XeroAPI\XeroPHP\Models\PayrollNz\Reimbursement[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'reimbursements' => '\XeroAPI\XeroPHP\Models\PayrollNz\Reimbursement[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class Reimbursements implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'reimbursements' => null
+        'pagination' => null,
+        'problem' => null,
+        'reimbursements' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''reimbursements' => 'reimbursements'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'reimbursements' => 'reimbursements'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''reimbursements' => 'setReimbursements'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'reimbursements' => 'setReimbursements'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''reimbursements' => 'getReimbursements'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'reimbursements' => 'getReimbursements'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/SalaryAndWage.php b/lib/Models/PayrollNz/SalaryAndWage.php
index 6cb91604..2550da8a 100644
--- a/lib/Models/PayrollNz/SalaryAndWage.php
+++ b/lib/Models/PayrollNz/SalaryAndWage.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,16 @@ class SalaryAndWage implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'salary_and_wages_id' => 'string''earnings_rate_id' => 'string''number_of_units_per_week' => 'double''rate_per_unit' => 'double''number_of_units_per_day' => 'double''days_per_week' => 'double''effective_from' => '\DateTime''annual_salary' => 'double''status' => 'string''payment_type' => 'string'
+        'salary_and_wages_id' => 'string',
+        'earnings_rate_id' => 'string',
+        'number_of_units_per_week' => 'double',
+        'rate_per_unit' => 'double',
+        'number_of_units_per_day' => 'double',
+        'days_per_week' => 'double',
+        'effective_from' => '\DateTime',
+        'annual_salary' => 'double',
+        'status' => 'string',
+        'payment_type' => 'string'
     ];
 
     /**
@@ -67,7 +76,16 @@ class SalaryAndWage implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'salary_and_wages_id' => 'uuid''earnings_rate_id' => 'uuid''number_of_units_per_week' => 'double''rate_per_unit' => 'double''number_of_units_per_day' => 'double''days_per_week' => 'double''effective_from' => 'date''annual_salary' => 'double''status' => null'payment_type' => null
+        'salary_and_wages_id' => 'uuid',
+        'earnings_rate_id' => 'uuid',
+        'number_of_units_per_week' => 'double',
+        'rate_per_unit' => 'double',
+        'number_of_units_per_day' => 'double',
+        'days_per_week' => 'double',
+        'effective_from' => 'date',
+        'annual_salary' => 'double',
+        'status' => null,
+        'payment_type' => null
     ];
 
     /**
@@ -97,7 +115,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'salary_and_wages_id' => 'salaryAndWagesID''earnings_rate_id' => 'earningsRateID''number_of_units_per_week' => 'numberOfUnitsPerWeek''rate_per_unit' => 'ratePerUnit''number_of_units_per_day' => 'numberOfUnitsPerDay''days_per_week' => 'daysPerWeek''effective_from' => 'effectiveFrom''annual_salary' => 'annualSalary''status' => 'status''payment_type' => 'paymentType'
+        'salary_and_wages_id' => 'salaryAndWagesID',
+        'earnings_rate_id' => 'earningsRateID',
+        'number_of_units_per_week' => 'numberOfUnitsPerWeek',
+        'rate_per_unit' => 'ratePerUnit',
+        'number_of_units_per_day' => 'numberOfUnitsPerDay',
+        'days_per_week' => 'daysPerWeek',
+        'effective_from' => 'effectiveFrom',
+        'annual_salary' => 'annualSalary',
+        'status' => 'status',
+        'payment_type' => 'paymentType'
     ];
 
     /**
@@ -106,7 +133,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'salary_and_wages_id' => 'setSalaryAndWagesId''earnings_rate_id' => 'setEarningsRateId''number_of_units_per_week' => 'setNumberOfUnitsPerWeek''rate_per_unit' => 'setRatePerUnit''number_of_units_per_day' => 'setNumberOfUnitsPerDay''days_per_week' => 'setDaysPerWeek''effective_from' => 'setEffectiveFrom''annual_salary' => 'setAnnualSalary''status' => 'setStatus''payment_type' => 'setPaymentType'
+        'salary_and_wages_id' => 'setSalaryAndWagesId',
+        'earnings_rate_id' => 'setEarningsRateId',
+        'number_of_units_per_week' => 'setNumberOfUnitsPerWeek',
+        'rate_per_unit' => 'setRatePerUnit',
+        'number_of_units_per_day' => 'setNumberOfUnitsPerDay',
+        'days_per_week' => 'setDaysPerWeek',
+        'effective_from' => 'setEffectiveFrom',
+        'annual_salary' => 'setAnnualSalary',
+        'status' => 'setStatus',
+        'payment_type' => 'setPaymentType'
     ];
 
     /**
@@ -115,7 +151,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'salary_and_wages_id' => 'getSalaryAndWagesId''earnings_rate_id' => 'getEarningsRateId''number_of_units_per_week' => 'getNumberOfUnitsPerWeek''rate_per_unit' => 'getRatePerUnit''number_of_units_per_day' => 'getNumberOfUnitsPerDay''days_per_week' => 'getDaysPerWeek''effective_from' => 'getEffectiveFrom''annual_salary' => 'getAnnualSalary''status' => 'getStatus''payment_type' => 'getPaymentType'
+        'salary_and_wages_id' => 'getSalaryAndWagesId',
+        'earnings_rate_id' => 'getEarningsRateId',
+        'number_of_units_per_week' => 'getNumberOfUnitsPerWeek',
+        'rate_per_unit' => 'getRatePerUnit',
+        'number_of_units_per_day' => 'getNumberOfUnitsPerDay',
+        'days_per_week' => 'getDaysPerWeek',
+        'effective_from' => 'getEffectiveFrom',
+        'annual_salary' => 'getAnnualSalary',
+        'status' => 'getStatus',
+        'payment_type' => 'getPaymentType'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/SalaryAndWageObject.php b/lib/Models/PayrollNz/SalaryAndWageObject.php
index d56cafca..54b44f64 100644
--- a/lib/Models/PayrollNz/SalaryAndWageObject.php
+++ b/lib/Models/PayrollNz/SalaryAndWageObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class SalaryAndWageObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''salary_and_wages' => '\XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWage'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'salary_and_wages' => '\XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWage'
     ];
 
     /**
@@ -67,7 +69,9 @@ class SalaryAndWageObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'salary_and_wages' => null
+        'pagination' => null,
+        'problem' => null,
+        'salary_and_wages' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''salary_and_wages' => 'salaryAndWages'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'salary_and_wages' => 'salaryAndWages'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''salary_and_wages' => 'setSalaryAndWages'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'salary_and_wages' => 'setSalaryAndWages'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''salary_and_wages' => 'getSalaryAndWages'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'salary_and_wages' => 'getSalaryAndWages'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/SalaryAndWages.php b/lib/Models/PayrollNz/SalaryAndWages.php
index ae5d15ca..45666ff2 100644
--- a/lib/Models/PayrollNz/SalaryAndWages.php
+++ b/lib/Models/PayrollNz/SalaryAndWages.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class SalaryAndWages implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''salary_and_wages' => '\XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWage[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'salary_and_wages' => '\XeroAPI\XeroPHP\Models\PayrollNz\SalaryAndWage[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class SalaryAndWages implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'salary_and_wages' => null
+        'pagination' => null,
+        'problem' => null,
+        'salary_and_wages' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''salary_and_wages' => 'salaryAndWages'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'salary_and_wages' => 'salaryAndWages'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''salary_and_wages' => 'setSalaryAndWages'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'salary_and_wages' => 'setSalaryAndWages'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''salary_and_wages' => 'getSalaryAndWages'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'salary_and_wages' => 'getSalaryAndWages'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/Settings.php b/lib/Models/PayrollNz/Settings.php
index f43b027a..94d64ce5 100644
--- a/lib/Models/PayrollNz/Settings.php
+++ b/lib/Models/PayrollNz/Settings.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class Settings implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''settings' => '\XeroAPI\XeroPHP\Models\PayrollNz\Accounts'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'settings' => '\XeroAPI\XeroPHP\Models\PayrollNz\Accounts'
     ];
 
     /**
@@ -67,7 +69,9 @@ class Settings implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'settings' => null
+        'pagination' => null,
+        'problem' => null,
+        'settings' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''settings' => 'settings'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'settings' => 'settings'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''settings' => 'setSettings'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'settings' => 'setSettings'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''settings' => 'getSettings'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'settings' => 'getSettings'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/StatutoryDeduction.php b/lib/Models/PayrollNz/StatutoryDeduction.php
index 4d97c3c5..d6ae4cc5 100644
--- a/lib/Models/PayrollNz/StatutoryDeduction.php
+++ b/lib/Models/PayrollNz/StatutoryDeduction.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class StatutoryDeduction implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'id' => 'string''name' => 'string''statutory_deduction_category' => '\XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeductionCategory''liability_account_id' => 'string''current_record' => 'bool'
+        'id' => 'string',
+        'name' => 'string',
+        'statutory_deduction_category' => '\XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeductionCategory',
+        'liability_account_id' => 'string',
+        'current_record' => 'bool'
     ];
 
     /**
@@ -67,7 +71,11 @@ class StatutoryDeduction implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'id' => 'uuid''name' => null'statutory_deduction_category' => null'liability_account_id' => 'uuid''current_record' => null
+        'id' => 'uuid',
+        'name' => null,
+        'statutory_deduction_category' => null,
+        'liability_account_id' => 'uuid',
+        'current_record' => null
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'id' => 'id''name' => 'name''statutory_deduction_category' => 'statutoryDeductionCategory''liability_account_id' => 'liabilityAccountId''current_record' => 'currentRecord'
+        'id' => 'id',
+        'name' => 'name',
+        'statutory_deduction_category' => 'statutoryDeductionCategory',
+        'liability_account_id' => 'liabilityAccountId',
+        'current_record' => 'currentRecord'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'id' => 'setId''name' => 'setName''statutory_deduction_category' => 'setStatutoryDeductionCategory''liability_account_id' => 'setLiabilityAccountId''current_record' => 'setCurrentRecord'
+        'id' => 'setId',
+        'name' => 'setName',
+        'statutory_deduction_category' => 'setStatutoryDeductionCategory',
+        'liability_account_id' => 'setLiabilityAccountId',
+        'current_record' => 'setCurrentRecord'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'id' => 'getId''name' => 'getName''statutory_deduction_category' => 'getStatutoryDeductionCategory''liability_account_id' => 'getLiabilityAccountId''current_record' => 'getCurrentRecord'
+        'id' => 'getId',
+        'name' => 'getName',
+        'statutory_deduction_category' => 'getStatutoryDeductionCategory',
+        'liability_account_id' => 'getLiabilityAccountId',
+        'current_record' => 'getCurrentRecord'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/StatutoryDeductionCategory.php b/lib/Models/PayrollNz/StatutoryDeductionCategory.php
index a4cd9b04..634f777b 100644
--- a/lib/Models/PayrollNz/StatutoryDeductionCategory.php
+++ b/lib/Models/PayrollNz/StatutoryDeductionCategory.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollNz/StatutoryDeductionLine.php b/lib/Models/PayrollNz/StatutoryDeductionLine.php
index fc0ab39f..3c03b8be 100644
--- a/lib/Models/PayrollNz/StatutoryDeductionLine.php
+++ b/lib/Models/PayrollNz/StatutoryDeductionLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class StatutoryDeductionLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'statutory_deduction_type_id' => 'string''amount' => 'double''fixed_amount' => 'double''manual_adjustment' => 'bool'
+        'statutory_deduction_type_id' => 'string',
+        'amount' => 'double',
+        'fixed_amount' => 'double',
+        'manual_adjustment' => 'bool'
     ];
 
     /**
@@ -67,7 +70,10 @@ class StatutoryDeductionLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'statutory_deduction_type_id' => 'uuid''amount' => 'double''fixed_amount' => 'double''manual_adjustment' => null
+        'statutory_deduction_type_id' => 'uuid',
+        'amount' => 'double',
+        'fixed_amount' => 'double',
+        'manual_adjustment' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'statutory_deduction_type_id' => 'statutoryDeductionTypeID''amount' => 'amount''fixed_amount' => 'fixedAmount''manual_adjustment' => 'manualAdjustment'
+        'statutory_deduction_type_id' => 'statutoryDeductionTypeID',
+        'amount' => 'amount',
+        'fixed_amount' => 'fixedAmount',
+        'manual_adjustment' => 'manualAdjustment'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'statutory_deduction_type_id' => 'setStatutoryDeductionTypeId''amount' => 'setAmount''fixed_amount' => 'setFixedAmount''manual_adjustment' => 'setManualAdjustment'
+        'statutory_deduction_type_id' => 'setStatutoryDeductionTypeId',
+        'amount' => 'setAmount',
+        'fixed_amount' => 'setFixedAmount',
+        'manual_adjustment' => 'setManualAdjustment'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'statutory_deduction_type_id' => 'getStatutoryDeductionTypeId''amount' => 'getAmount''fixed_amount' => 'getFixedAmount''manual_adjustment' => 'getManualAdjustment'
+        'statutory_deduction_type_id' => 'getStatutoryDeductionTypeId',
+        'amount' => 'getAmount',
+        'fixed_amount' => 'getFixedAmount',
+        'manual_adjustment' => 'getManualAdjustment'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/StatutoryDeductionObject.php b/lib/Models/PayrollNz/StatutoryDeductionObject.php
index 5d21e716..08af62f0 100644
--- a/lib/Models/PayrollNz/StatutoryDeductionObject.php
+++ b/lib/Models/PayrollNz/StatutoryDeductionObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class StatutoryDeductionObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''statutory_deduction' => '\XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeduction'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'statutory_deduction' => '\XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeduction'
     ];
 
     /**
@@ -67,7 +69,9 @@ class StatutoryDeductionObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'statutory_deduction' => null
+        'pagination' => null,
+        'problem' => null,
+        'statutory_deduction' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''statutory_deduction' => 'statutoryDeduction'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'statutory_deduction' => 'statutoryDeduction'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''statutory_deduction' => 'setStatutoryDeduction'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'statutory_deduction' => 'setStatutoryDeduction'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''statutory_deduction' => 'getStatutoryDeduction'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'statutory_deduction' => 'getStatutoryDeduction'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/StatutoryDeductions.php b/lib/Models/PayrollNz/StatutoryDeductions.php
index d3cee1c6..5a792d03 100644
--- a/lib/Models/PayrollNz/StatutoryDeductions.php
+++ b/lib/Models/PayrollNz/StatutoryDeductions.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class StatutoryDeductions implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''statutory_deductions' => '\XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeduction[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'statutory_deductions' => '\XeroAPI\XeroPHP\Models\PayrollNz\StatutoryDeduction[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class StatutoryDeductions implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'statutory_deductions' => null
+        'pagination' => null,
+        'problem' => null,
+        'statutory_deductions' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''statutory_deductions' => 'statutoryDeductions'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'statutory_deductions' => 'statutoryDeductions'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''statutory_deductions' => 'setStatutoryDeductions'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'statutory_deductions' => 'setStatutoryDeductions'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''statutory_deductions' => 'getStatutoryDeductions'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'statutory_deductions' => 'getStatutoryDeductions'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/SuperannuationLine.php b/lib/Models/PayrollNz/SuperannuationLine.php
index b27b1c18..73f56c88 100644
--- a/lib/Models/PayrollNz/SuperannuationLine.php
+++ b/lib/Models/PayrollNz/SuperannuationLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class SuperannuationLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'superannuation_type_id' => 'string''display_name' => 'string''amount' => 'double''fixed_amount' => 'double''percentage' => 'double''manual_adjustment' => 'bool'
+        'superannuation_type_id' => 'string',
+        'display_name' => 'string',
+        'amount' => 'double',
+        'fixed_amount' => 'double',
+        'percentage' => 'double',
+        'manual_adjustment' => 'bool'
     ];
 
     /**
@@ -67,7 +72,12 @@ class SuperannuationLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'superannuation_type_id' => 'uuid''display_name' => null'amount' => 'double''fixed_amount' => 'double''percentage' => 'double''manual_adjustment' => null
+        'superannuation_type_id' => 'uuid',
+        'display_name' => null,
+        'amount' => 'double',
+        'fixed_amount' => 'double',
+        'percentage' => 'double',
+        'manual_adjustment' => null
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'superannuation_type_id' => 'superannuationTypeID''display_name' => 'displayName''amount' => 'amount''fixed_amount' => 'fixedAmount''percentage' => 'percentage''manual_adjustment' => 'manualAdjustment'
+        'superannuation_type_id' => 'superannuationTypeID',
+        'display_name' => 'displayName',
+        'amount' => 'amount',
+        'fixed_amount' => 'fixedAmount',
+        'percentage' => 'percentage',
+        'manual_adjustment' => 'manualAdjustment'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'superannuation_type_id' => 'setSuperannuationTypeId''display_name' => 'setDisplayName''amount' => 'setAmount''fixed_amount' => 'setFixedAmount''percentage' => 'setPercentage''manual_adjustment' => 'setManualAdjustment'
+        'superannuation_type_id' => 'setSuperannuationTypeId',
+        'display_name' => 'setDisplayName',
+        'amount' => 'setAmount',
+        'fixed_amount' => 'setFixedAmount',
+        'percentage' => 'setPercentage',
+        'manual_adjustment' => 'setManualAdjustment'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'superannuation_type_id' => 'getSuperannuationTypeId''display_name' => 'getDisplayName''amount' => 'getAmount''fixed_amount' => 'getFixedAmount''percentage' => 'getPercentage''manual_adjustment' => 'getManualAdjustment'
+        'superannuation_type_id' => 'getSuperannuationTypeId',
+        'display_name' => 'getDisplayName',
+        'amount' => 'getAmount',
+        'fixed_amount' => 'getFixedAmount',
+        'percentage' => 'getPercentage',
+        'manual_adjustment' => 'getManualAdjustment'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/SuperannuationObject.php b/lib/Models/PayrollNz/SuperannuationObject.php
index 38a7595c..cb05665c 100644
--- a/lib/Models/PayrollNz/SuperannuationObject.php
+++ b/lib/Models/PayrollNz/SuperannuationObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class SuperannuationObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''benefit' => '\XeroAPI\XeroPHP\Models\PayrollNz\Benefit'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'benefit' => '\XeroAPI\XeroPHP\Models\PayrollNz\Benefit'
     ];
 
     /**
@@ -67,7 +69,9 @@ class SuperannuationObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'benefit' => null
+        'pagination' => null,
+        'problem' => null,
+        'benefit' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''benefit' => 'benefit'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'benefit' => 'benefit'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''benefit' => 'setBenefit'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'benefit' => 'setBenefit'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''benefit' => 'getBenefit'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'benefit' => 'getBenefit'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/Superannuations.php b/lib/Models/PayrollNz/Superannuations.php
index 817af970..811f2414 100644
--- a/lib/Models/PayrollNz/Superannuations.php
+++ b/lib/Models/PayrollNz/Superannuations.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class Superannuations implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''benefits' => '\XeroAPI\XeroPHP\Models\PayrollNz\Benefit[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'benefits' => '\XeroAPI\XeroPHP\Models\PayrollNz\Benefit[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class Superannuations implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'benefits' => null
+        'pagination' => null,
+        'problem' => null,
+        'benefits' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''benefits' => 'benefits'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'benefits' => 'benefits'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''benefits' => 'setBenefits'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'benefits' => 'setBenefits'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''benefits' => 'getBenefits'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'benefits' => 'getBenefits'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/TaxCode.php b/lib/Models/PayrollNz/TaxCode.php
index c2891fc1..13caa10e 100644
--- a/lib/Models/PayrollNz/TaxCode.php
+++ b/lib/Models/PayrollNz/TaxCode.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollNz/TaxLine.php b/lib/Models/PayrollNz/TaxLine.php
index c0866bc6..a06d3f65 100644
--- a/lib/Models/PayrollNz/TaxLine.php
+++ b/lib/Models/PayrollNz/TaxLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class TaxLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'tax_line_id' => 'string''description' => 'string''amount' => 'double''global_tax_type_id' => 'string''manual_adjustment' => 'bool'
+        'tax_line_id' => 'string',
+        'description' => 'string',
+        'amount' => 'double',
+        'global_tax_type_id' => 'string',
+        'manual_adjustment' => 'bool'
     ];
 
     /**
@@ -67,7 +71,11 @@ class TaxLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'tax_line_id' => 'uuid''description' => null'amount' => 'double''global_tax_type_id' => null'manual_adjustment' => null
+        'tax_line_id' => 'uuid',
+        'description' => null,
+        'amount' => 'double',
+        'global_tax_type_id' => null,
+        'manual_adjustment' => null
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'tax_line_id' => 'taxLineID''description' => 'description''amount' => 'amount''global_tax_type_id' => 'globalTaxTypeID''manual_adjustment' => 'manualAdjustment'
+        'tax_line_id' => 'taxLineID',
+        'description' => 'description',
+        'amount' => 'amount',
+        'global_tax_type_id' => 'globalTaxTypeID',
+        'manual_adjustment' => 'manualAdjustment'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'tax_line_id' => 'setTaxLineId''description' => 'setDescription''amount' => 'setAmount''global_tax_type_id' => 'setGlobalTaxTypeId''manual_adjustment' => 'setManualAdjustment'
+        'tax_line_id' => 'setTaxLineId',
+        'description' => 'setDescription',
+        'amount' => 'setAmount',
+        'global_tax_type_id' => 'setGlobalTaxTypeId',
+        'manual_adjustment' => 'setManualAdjustment'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'tax_line_id' => 'getTaxLineId''description' => 'getDescription''amount' => 'getAmount''global_tax_type_id' => 'getGlobalTaxTypeId''manual_adjustment' => 'getManualAdjustment'
+        'tax_line_id' => 'getTaxLineId',
+        'description' => 'getDescription',
+        'amount' => 'getAmount',
+        'global_tax_type_id' => 'getGlobalTaxTypeId',
+        'manual_adjustment' => 'getManualAdjustment'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/TaxSettings.php b/lib/Models/PayrollNz/TaxSettings.php
index c5b925ec..3b7bf356 100644
--- a/lib/Models/PayrollNz/TaxSettings.php
+++ b/lib/Models/PayrollNz/TaxSettings.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class TaxSettings implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'period_units' => 'double''period_type' => 'string''tax_code' => '\XeroAPI\XeroPHP\Models\PayrollNz\TaxCode''special_tax_rate' => 'string''lump_sum_tax_code' => 'string''lump_sum_amount' => 'string'
+        'period_units' => 'double',
+        'period_type' => 'string',
+        'tax_code' => '\XeroAPI\XeroPHP\Models\PayrollNz\TaxCode',
+        'special_tax_rate' => 'string',
+        'lump_sum_tax_code' => 'string',
+        'lump_sum_amount' => 'string'
     ];
 
     /**
@@ -67,7 +72,12 @@ class TaxSettings implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'period_units' => 'double''period_type' => null'tax_code' => null'special_tax_rate' => null'lump_sum_tax_code' => null'lump_sum_amount' => null
+        'period_units' => 'double',
+        'period_type' => null,
+        'tax_code' => null,
+        'special_tax_rate' => null,
+        'lump_sum_tax_code' => null,
+        'lump_sum_amount' => null
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'period_units' => 'periodUnits''period_type' => 'periodType''tax_code' => 'taxCode''special_tax_rate' => 'specialTaxRate''lump_sum_tax_code' => 'lumpSumTaxCode''lump_sum_amount' => 'lumpSumAmount'
+        'period_units' => 'periodUnits',
+        'period_type' => 'periodType',
+        'tax_code' => 'taxCode',
+        'special_tax_rate' => 'specialTaxRate',
+        'lump_sum_tax_code' => 'lumpSumTaxCode',
+        'lump_sum_amount' => 'lumpSumAmount'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'period_units' => 'setPeriodUnits''period_type' => 'setPeriodType''tax_code' => 'setTaxCode''special_tax_rate' => 'setSpecialTaxRate''lump_sum_tax_code' => 'setLumpSumTaxCode''lump_sum_amount' => 'setLumpSumAmount'
+        'period_units' => 'setPeriodUnits',
+        'period_type' => 'setPeriodType',
+        'tax_code' => 'setTaxCode',
+        'special_tax_rate' => 'setSpecialTaxRate',
+        'lump_sum_tax_code' => 'setLumpSumTaxCode',
+        'lump_sum_amount' => 'setLumpSumAmount'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'period_units' => 'getPeriodUnits''period_type' => 'getPeriodType''tax_code' => 'getTaxCode''special_tax_rate' => 'getSpecialTaxRate''lump_sum_tax_code' => 'getLumpSumTaxCode''lump_sum_amount' => 'getLumpSumAmount'
+        'period_units' => 'getPeriodUnits',
+        'period_type' => 'getPeriodType',
+        'tax_code' => 'getTaxCode',
+        'special_tax_rate' => 'getSpecialTaxRate',
+        'lump_sum_tax_code' => 'getLumpSumTaxCode',
+        'lump_sum_amount' => 'getLumpSumAmount'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/Timesheet.php b/lib/Models/PayrollNz/Timesheet.php
index 1b3449e7..410e23a7 100644
--- a/lib/Models/PayrollNz/Timesheet.php
+++ b/lib/Models/PayrollNz/Timesheet.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,15 @@ class Timesheet implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'timesheet_id' => 'string''payroll_calendar_id' => 'string''employee_id' => 'string''start_date' => '\DateTime''end_date' => '\DateTime''status' => 'string''total_hours' => 'double''updated_date_utc' => '\DateTime''timesheet_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine[]'
+        'timesheet_id' => 'string',
+        'payroll_calendar_id' => 'string',
+        'employee_id' => 'string',
+        'start_date' => '\DateTime',
+        'end_date' => '\DateTime',
+        'status' => 'string',
+        'total_hours' => 'double',
+        'updated_date_utc' => '\DateTime',
+        'timesheet_lines' => '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine[]'
     ];
 
     /**
@@ -67,7 +75,15 @@ class Timesheet implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'timesheet_id' => 'uuid''payroll_calendar_id' => 'uuid''employee_id' => 'uuid''start_date' => 'date''end_date' => 'date''status' => null'total_hours' => 'double''updated_date_utc' => 'date-time''timesheet_lines' => null
+        'timesheet_id' => 'uuid',
+        'payroll_calendar_id' => 'uuid',
+        'employee_id' => 'uuid',
+        'start_date' => 'date',
+        'end_date' => 'date',
+        'status' => null,
+        'total_hours' => 'double',
+        'updated_date_utc' => 'date-time',
+        'timesheet_lines' => null
     ];
 
     /**
@@ -97,7 +113,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'timesheet_id' => 'timesheetID''payroll_calendar_id' => 'payrollCalendarID''employee_id' => 'employeeID''start_date' => 'startDate''end_date' => 'endDate''status' => 'status''total_hours' => 'totalHours''updated_date_utc' => 'updatedDateUTC''timesheet_lines' => 'timesheetLines'
+        'timesheet_id' => 'timesheetID',
+        'payroll_calendar_id' => 'payrollCalendarID',
+        'employee_id' => 'employeeID',
+        'start_date' => 'startDate',
+        'end_date' => 'endDate',
+        'status' => 'status',
+        'total_hours' => 'totalHours',
+        'updated_date_utc' => 'updatedDateUTC',
+        'timesheet_lines' => 'timesheetLines'
     ];
 
     /**
@@ -106,7 +130,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'timesheet_id' => 'setTimesheetId''payroll_calendar_id' => 'setPayrollCalendarId''employee_id' => 'setEmployeeId''start_date' => 'setStartDate''end_date' => 'setEndDate''status' => 'setStatus''total_hours' => 'setTotalHours''updated_date_utc' => 'setUpdatedDateUtc''timesheet_lines' => 'setTimesheetLines'
+        'timesheet_id' => 'setTimesheetId',
+        'payroll_calendar_id' => 'setPayrollCalendarId',
+        'employee_id' => 'setEmployeeId',
+        'start_date' => 'setStartDate',
+        'end_date' => 'setEndDate',
+        'status' => 'setStatus',
+        'total_hours' => 'setTotalHours',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'timesheet_lines' => 'setTimesheetLines'
     ];
 
     /**
@@ -115,7 +147,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'timesheet_id' => 'getTimesheetId''payroll_calendar_id' => 'getPayrollCalendarId''employee_id' => 'getEmployeeId''start_date' => 'getStartDate''end_date' => 'getEndDate''status' => 'getStatus''total_hours' => 'getTotalHours''updated_date_utc' => 'getUpdatedDateUtc''timesheet_lines' => 'getTimesheetLines'
+        'timesheet_id' => 'getTimesheetId',
+        'payroll_calendar_id' => 'getPayrollCalendarId',
+        'employee_id' => 'getEmployeeId',
+        'start_date' => 'getStartDate',
+        'end_date' => 'getEndDate',
+        'status' => 'getStatus',
+        'total_hours' => 'getTotalHours',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'timesheet_lines' => 'getTimesheetLines'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/TimesheetEarningsLine.php b/lib/Models/PayrollNz/TimesheetEarningsLine.php
index 547beea6..016ac727 100644
--- a/lib/Models/PayrollNz/TimesheetEarningsLine.php
+++ b/lib/Models/PayrollNz/TimesheetEarningsLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,16 @@ class TimesheetEarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_line_id' => 'string''earnings_rate_id' => 'string''display_name' => 'string''rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''amount' => 'double''is_linked_to_timesheet' => 'bool''is_average_daily_pay_rate' => 'bool''is_system_generated' => 'bool'
+        'earnings_line_id' => 'string',
+        'earnings_rate_id' => 'string',
+        'display_name' => 'string',
+        'rate_per_unit' => 'double',
+        'number_of_units' => 'double',
+        'fixed_amount' => 'double',
+        'amount' => 'double',
+        'is_linked_to_timesheet' => 'bool',
+        'is_average_daily_pay_rate' => 'bool',
+        'is_system_generated' => 'bool'
     ];
 
     /**
@@ -67,7 +76,16 @@ class TimesheetEarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_line_id' => 'uuid''earnings_rate_id' => 'uuid''display_name' => null'rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''amount' => 'double''is_linked_to_timesheet' => null'is_average_daily_pay_rate' => null'is_system_generated' => null
+        'earnings_line_id' => 'uuid',
+        'earnings_rate_id' => 'uuid',
+        'display_name' => null,
+        'rate_per_unit' => 'double',
+        'number_of_units' => 'double',
+        'fixed_amount' => 'double',
+        'amount' => 'double',
+        'is_linked_to_timesheet' => null,
+        'is_average_daily_pay_rate' => null,
+        'is_system_generated' => null
     ];
 
     /**
@@ -97,7 +115,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_line_id' => 'earningsLineID''earnings_rate_id' => 'earningsRateID''display_name' => 'displayName''rate_per_unit' => 'ratePerUnit''number_of_units' => 'numberOfUnits''fixed_amount' => 'fixedAmount''amount' => 'amount''is_linked_to_timesheet' => 'isLinkedToTimesheet''is_average_daily_pay_rate' => 'isAverageDailyPayRate''is_system_generated' => 'isSystemGenerated'
+        'earnings_line_id' => 'earningsLineID',
+        'earnings_rate_id' => 'earningsRateID',
+        'display_name' => 'displayName',
+        'rate_per_unit' => 'ratePerUnit',
+        'number_of_units' => 'numberOfUnits',
+        'fixed_amount' => 'fixedAmount',
+        'amount' => 'amount',
+        'is_linked_to_timesheet' => 'isLinkedToTimesheet',
+        'is_average_daily_pay_rate' => 'isAverageDailyPayRate',
+        'is_system_generated' => 'isSystemGenerated'
     ];
 
     /**
@@ -106,7 +133,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_line_id' => 'setEarningsLineId''earnings_rate_id' => 'setEarningsRateId''display_name' => 'setDisplayName''rate_per_unit' => 'setRatePerUnit''number_of_units' => 'setNumberOfUnits''fixed_amount' => 'setFixedAmount''amount' => 'setAmount''is_linked_to_timesheet' => 'setIsLinkedToTimesheet''is_average_daily_pay_rate' => 'setIsAverageDailyPayRate''is_system_generated' => 'setIsSystemGenerated'
+        'earnings_line_id' => 'setEarningsLineId',
+        'earnings_rate_id' => 'setEarningsRateId',
+        'display_name' => 'setDisplayName',
+        'rate_per_unit' => 'setRatePerUnit',
+        'number_of_units' => 'setNumberOfUnits',
+        'fixed_amount' => 'setFixedAmount',
+        'amount' => 'setAmount',
+        'is_linked_to_timesheet' => 'setIsLinkedToTimesheet',
+        'is_average_daily_pay_rate' => 'setIsAverageDailyPayRate',
+        'is_system_generated' => 'setIsSystemGenerated'
     ];
 
     /**
@@ -115,7 +151,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_line_id' => 'getEarningsLineId''earnings_rate_id' => 'getEarningsRateId''display_name' => 'getDisplayName''rate_per_unit' => 'getRatePerUnit''number_of_units' => 'getNumberOfUnits''fixed_amount' => 'getFixedAmount''amount' => 'getAmount''is_linked_to_timesheet' => 'getIsLinkedToTimesheet''is_average_daily_pay_rate' => 'getIsAverageDailyPayRate''is_system_generated' => 'getIsSystemGenerated'
+        'earnings_line_id' => 'getEarningsLineId',
+        'earnings_rate_id' => 'getEarningsRateId',
+        'display_name' => 'getDisplayName',
+        'rate_per_unit' => 'getRatePerUnit',
+        'number_of_units' => 'getNumberOfUnits',
+        'fixed_amount' => 'getFixedAmount',
+        'amount' => 'getAmount',
+        'is_linked_to_timesheet' => 'getIsLinkedToTimesheet',
+        'is_average_daily_pay_rate' => 'getIsAverageDailyPayRate',
+        'is_system_generated' => 'getIsSystemGenerated'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/TimesheetLine.php b/lib/Models/PayrollNz/TimesheetLine.php
index a18fa48d..4825f5fb 100644
--- a/lib/Models/PayrollNz/TimesheetLine.php
+++ b/lib/Models/PayrollNz/TimesheetLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class TimesheetLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'timesheet_line_id' => 'string''date' => '\DateTime''earnings_rate_id' => 'string''tracking_item_id' => 'string''number_of_units' => 'double'
+        'timesheet_line_id' => 'string',
+        'date' => '\DateTime',
+        'earnings_rate_id' => 'string',
+        'tracking_item_id' => 'string',
+        'number_of_units' => 'double'
     ];
 
     /**
@@ -67,7 +71,11 @@ class TimesheetLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'timesheet_line_id' => 'uuid''date' => 'date''earnings_rate_id' => 'uuid''tracking_item_id' => 'uuid''number_of_units' => 'double'
+        'timesheet_line_id' => 'uuid',
+        'date' => 'date',
+        'earnings_rate_id' => 'uuid',
+        'tracking_item_id' => 'uuid',
+        'number_of_units' => 'double'
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'timesheet_line_id' => 'timesheetLineID''date' => 'date''earnings_rate_id' => 'earningsRateID''tracking_item_id' => 'trackingItemID''number_of_units' => 'numberOfUnits'
+        'timesheet_line_id' => 'timesheetLineID',
+        'date' => 'date',
+        'earnings_rate_id' => 'earningsRateID',
+        'tracking_item_id' => 'trackingItemID',
+        'number_of_units' => 'numberOfUnits'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'timesheet_line_id' => 'setTimesheetLineId''date' => 'setDate''earnings_rate_id' => 'setEarningsRateId''tracking_item_id' => 'setTrackingItemId''number_of_units' => 'setNumberOfUnits'
+        'timesheet_line_id' => 'setTimesheetLineId',
+        'date' => 'setDate',
+        'earnings_rate_id' => 'setEarningsRateId',
+        'tracking_item_id' => 'setTrackingItemId',
+        'number_of_units' => 'setNumberOfUnits'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'timesheet_line_id' => 'getTimesheetLineId''date' => 'getDate''earnings_rate_id' => 'getEarningsRateId''tracking_item_id' => 'getTrackingItemId''number_of_units' => 'getNumberOfUnits'
+        'timesheet_line_id' => 'getTimesheetLineId',
+        'date' => 'getDate',
+        'earnings_rate_id' => 'getEarningsRateId',
+        'tracking_item_id' => 'getTrackingItemId',
+        'number_of_units' => 'getNumberOfUnits'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/TimesheetLineObject.php b/lib/Models/PayrollNz/TimesheetLineObject.php
index a0034a91..aac84cd9 100644
--- a/lib/Models/PayrollNz/TimesheetLineObject.php
+++ b/lib/Models/PayrollNz/TimesheetLineObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class TimesheetLineObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''timesheet_line' => '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'timesheet_line' => '\XeroAPI\XeroPHP\Models\PayrollNz\TimesheetLine'
     ];
 
     /**
@@ -67,7 +69,9 @@ class TimesheetLineObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'timesheet_line' => null
+        'pagination' => null,
+        'problem' => null,
+        'timesheet_line' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''timesheet_line' => 'timesheetLine'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'timesheet_line' => 'timesheetLine'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''timesheet_line' => 'setTimesheetLine'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'timesheet_line' => 'setTimesheetLine'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''timesheet_line' => 'getTimesheetLine'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'timesheet_line' => 'getTimesheetLine'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/TimesheetObject.php b/lib/Models/PayrollNz/TimesheetObject.php
index 742f14cc..ae083326 100644
--- a/lib/Models/PayrollNz/TimesheetObject.php
+++ b/lib/Models/PayrollNz/TimesheetObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class TimesheetObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''timesheet' => '\XeroAPI\XeroPHP\Models\PayrollNz\Timesheet'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'timesheet' => '\XeroAPI\XeroPHP\Models\PayrollNz\Timesheet'
     ];
 
     /**
@@ -67,7 +69,9 @@ class TimesheetObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'timesheet' => null
+        'pagination' => null,
+        'problem' => null,
+        'timesheet' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''timesheet' => 'timesheet'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'timesheet' => 'timesheet'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''timesheet' => 'setTimesheet'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'timesheet' => 'setTimesheet'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''timesheet' => 'getTimesheet'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'timesheet' => 'getTimesheet'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/Timesheets.php b/lib/Models/PayrollNz/Timesheets.php
index 5792e1d1..6886a187 100644
--- a/lib/Models/PayrollNz/Timesheets.php
+++ b/lib/Models/PayrollNz/Timesheets.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class Timesheets implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''timesheets' => '\XeroAPI\XeroPHP\Models\PayrollNz\Timesheet[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'timesheets' => '\XeroAPI\XeroPHP\Models\PayrollNz\Timesheet[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class Timesheets implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'timesheets' => null
+        'pagination' => null,
+        'problem' => null,
+        'timesheets' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''timesheets' => 'timesheets'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'timesheets' => 'timesheets'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''timesheets' => 'setTimesheets'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'timesheets' => 'setTimesheets'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''timesheets' => 'getTimesheets'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'timesheets' => 'getTimesheets'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/TrackingCategories.php b/lib/Models/PayrollNz/TrackingCategories.php
index bbfb7943..37a653ee 100644
--- a/lib/Models/PayrollNz/TrackingCategories.php
+++ b/lib/Models/PayrollNz/TrackingCategories.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class TrackingCategories implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem''tracking_categories' => '\XeroAPI\XeroPHP\Models\PayrollNz\TrackingCategory'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollNz\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollNz\Problem',
+        'tracking_categories' => '\XeroAPI\XeroPHP\Models\PayrollNz\TrackingCategory'
     ];
 
     /**
@@ -67,7 +69,9 @@ class TrackingCategories implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'tracking_categories' => null
+        'pagination' => null,
+        'problem' => null,
+        'tracking_categories' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''tracking_categories' => 'trackingCategories'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'tracking_categories' => 'trackingCategories'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''tracking_categories' => 'setTrackingCategories'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'tracking_categories' => 'setTrackingCategories'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''tracking_categories' => 'getTrackingCategories'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'tracking_categories' => 'getTrackingCategories'
     ];
 
     /**
diff --git a/lib/Models/PayrollNz/TrackingCategory.php b/lib/Models/PayrollNz/TrackingCategory.php
index 329f5cf0..c29cad12 100644
--- a/lib/Models/PayrollNz/TrackingCategory.php
+++ b/lib/Models/PayrollNz/TrackingCategory.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class TrackingCategory implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'employee_groups_tracking_category_id' => 'string''timesheet_tracking_category_id' => 'string'
+        'employee_groups_tracking_category_id' => 'string',
+        'timesheet_tracking_category_id' => 'string'
     ];
 
     /**
@@ -67,7 +68,8 @@ class TrackingCategory implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'employee_groups_tracking_category_id' => 'uuid''timesheet_tracking_category_id' => 'uuid'
+        'employee_groups_tracking_category_id' => 'uuid',
+        'timesheet_tracking_category_id' => 'uuid'
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'employee_groups_tracking_category_id' => 'employeeGroupsTrackingCategoryID''timesheet_tracking_category_id' => 'timesheetTrackingCategoryID'
+        'employee_groups_tracking_category_id' => 'employeeGroupsTrackingCategoryID',
+        'timesheet_tracking_category_id' => 'timesheetTrackingCategoryID'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'employee_groups_tracking_category_id' => 'setEmployeeGroupsTrackingCategoryId''timesheet_tracking_category_id' => 'setTimesheetTrackingCategoryId'
+        'employee_groups_tracking_category_id' => 'setEmployeeGroupsTrackingCategoryId',
+        'timesheet_tracking_category_id' => 'setTimesheetTrackingCategoryId'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'employee_groups_tracking_category_id' => 'getEmployeeGroupsTrackingCategoryId''timesheet_tracking_category_id' => 'getTimesheetTrackingCategoryId'
+        'employee_groups_tracking_category_id' => 'getEmployeeGroupsTrackingCategoryId',
+        'timesheet_tracking_category_id' => 'getTimesheetTrackingCategoryId'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/Account.php b/lib/Models/PayrollUk/Account.php
index ab1e9ca6..79216aa3 100644
--- a/lib/Models/PayrollUk/Account.php
+++ b/lib/Models/PayrollUk/Account.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class Account implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_id' => 'string''type' => 'string''code' => 'string''name' => 'string'
+        'account_id' => 'string',
+        'type' => 'string',
+        'code' => 'string',
+        'name' => 'string'
     ];
 
     /**
@@ -67,7 +70,10 @@ class Account implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_id' => 'uuid''type' => null'code' => null'name' => null
+        'account_id' => 'uuid',
+        'type' => null,
+        'code' => null,
+        'name' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_id' => 'accountID''type' => 'type''code' => 'code''name' => 'name'
+        'account_id' => 'accountID',
+        'type' => 'type',
+        'code' => 'code',
+        'name' => 'name'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_id' => 'setAccountId''type' => 'setType''code' => 'setCode''name' => 'setName'
+        'account_id' => 'setAccountId',
+        'type' => 'setType',
+        'code' => 'setCode',
+        'name' => 'setName'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_id' => 'getAccountId''type' => 'getType''code' => 'getCode''name' => 'getName'
+        'account_id' => 'getAccountId',
+        'type' => 'getType',
+        'code' => 'getCode',
+        'name' => 'getName'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/Accounts.php b/lib/Models/PayrollUk/Accounts.php
index 52d59941..eeb0cac9 100644
--- a/lib/Models/PayrollUk/Accounts.php
+++ b/lib/Models/PayrollUk/Accounts.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollUk/Address.php b/lib/Models/PayrollUk/Address.php
index 9a7d135b..a14b181f 100644
--- a/lib/Models/PayrollUk/Address.php
+++ b/lib/Models/PayrollUk/Address.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class Address implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'address_line1' => 'string''address_line2' => 'string''city' => 'string''post_code' => 'string''country_name' => 'string'
+        'address_line1' => 'string',
+        'address_line2' => 'string',
+        'city' => 'string',
+        'post_code' => 'string',
+        'country_name' => 'string'
     ];
 
     /**
@@ -67,7 +71,11 @@ class Address implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'address_line1' => null'address_line2' => null'city' => null'post_code' => null'country_name' => null
+        'address_line1' => null,
+        'address_line2' => null,
+        'city' => null,
+        'post_code' => null,
+        'country_name' => null
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'address_line1' => 'addressLine1''address_line2' => 'addressLine2''city' => 'city''post_code' => 'postCode''country_name' => 'countryName'
+        'address_line1' => 'addressLine1',
+        'address_line2' => 'addressLine2',
+        'city' => 'city',
+        'post_code' => 'postCode',
+        'country_name' => 'countryName'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'address_line1' => 'setAddressLine1''address_line2' => 'setAddressLine2''city' => 'setCity''post_code' => 'setPostCode''country_name' => 'setCountryName'
+        'address_line1' => 'setAddressLine1',
+        'address_line2' => 'setAddressLine2',
+        'city' => 'setCity',
+        'post_code' => 'setPostCode',
+        'country_name' => 'setCountryName'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'address_line1' => 'getAddressLine1''address_line2' => 'getAddressLine2''city' => 'getCity''post_code' => 'getPostCode''country_name' => 'getCountryName'
+        'address_line1' => 'getAddressLine1',
+        'address_line2' => 'getAddressLine2',
+        'city' => 'getCity',
+        'post_code' => 'getPostCode',
+        'country_name' => 'getCountryName'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/BankAccount.php b/lib/Models/PayrollUk/BankAccount.php
index 05ca657c..5a66df79 100644
--- a/lib/Models/PayrollUk/BankAccount.php
+++ b/lib/Models/PayrollUk/BankAccount.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class BankAccount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'account_name' => 'string''account_number' => 'string''sort_code' => 'string'
+        'account_name' => 'string',
+        'account_number' => 'string',
+        'sort_code' => 'string'
     ];
 
     /**
@@ -67,7 +69,9 @@ class BankAccount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'account_name' => null'account_number' => null'sort_code' => null
+        'account_name' => null,
+        'account_number' => null,
+        'sort_code' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'account_name' => 'accountName''account_number' => 'accountNumber''sort_code' => 'sortCode'
+        'account_name' => 'accountName',
+        'account_number' => 'accountNumber',
+        'sort_code' => 'sortCode'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'account_name' => 'setAccountName''account_number' => 'setAccountNumber''sort_code' => 'setSortCode'
+        'account_name' => 'setAccountName',
+        'account_number' => 'setAccountNumber',
+        'sort_code' => 'setSortCode'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'account_name' => 'getAccountName''account_number' => 'getAccountNumber''sort_code' => 'getSortCode'
+        'account_name' => 'getAccountName',
+        'account_number' => 'getAccountNumber',
+        'sort_code' => 'getSortCode'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/Benefit.php b/lib/Models/PayrollUk/Benefit.php
index 2ac6e583..e9d9dc7b 100644
--- a/lib/Models/PayrollUk/Benefit.php
+++ b/lib/Models/PayrollUk/Benefit.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,20 @@ class Benefit implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'id' => 'string''name' => 'string''category' => 'string''liability_account_id' => 'string''expense_account_id' => 'string''standard_amount' => 'double''percentage' => 'double''calculation_type' => 'string''current_record' => 'bool''subject_to_nic' => 'bool''subject_to_pension' => 'bool''subject_to_tax' => 'bool''is_calculating_on_qualifying_earnings' => 'bool''show_balance_to_employee' => 'bool'
+        'id' => 'string',
+        'name' => 'string',
+        'category' => 'string',
+        'liability_account_id' => 'string',
+        'expense_account_id' => 'string',
+        'standard_amount' => 'double',
+        'percentage' => 'double',
+        'calculation_type' => 'string',
+        'current_record' => 'bool',
+        'subject_to_nic' => 'bool',
+        'subject_to_pension' => 'bool',
+        'subject_to_tax' => 'bool',
+        'is_calculating_on_qualifying_earnings' => 'bool',
+        'show_balance_to_employee' => 'bool'
     ];
 
     /**
@@ -67,7 +80,20 @@ class Benefit implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'id' => 'uuid''name' => null'category' => null'liability_account_id' => 'uuid''expense_account_id' => 'uuid''standard_amount' => 'double''percentage' => 'double''calculation_type' => null'current_record' => null'subject_to_nic' => null'subject_to_pension' => null'subject_to_tax' => null'is_calculating_on_qualifying_earnings' => null'show_balance_to_employee' => null
+        'id' => 'uuid',
+        'name' => null,
+        'category' => null,
+        'liability_account_id' => 'uuid',
+        'expense_account_id' => 'uuid',
+        'standard_amount' => 'double',
+        'percentage' => 'double',
+        'calculation_type' => null,
+        'current_record' => null,
+        'subject_to_nic' => null,
+        'subject_to_pension' => null,
+        'subject_to_tax' => null,
+        'is_calculating_on_qualifying_earnings' => null,
+        'show_balance_to_employee' => null
     ];
 
     /**
@@ -97,7 +123,20 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'id' => 'id''name' => 'name''category' => 'category''liability_account_id' => 'liabilityAccountId''expense_account_id' => 'expenseAccountId''standard_amount' => 'standardAmount''percentage' => 'percentage''calculation_type' => 'calculationType''current_record' => 'currentRecord''subject_to_nic' => 'subjectToNIC''subject_to_pension' => 'subjectToPension''subject_to_tax' => 'subjectToTax''is_calculating_on_qualifying_earnings' => 'isCalculatingOnQualifyingEarnings''show_balance_to_employee' => 'showBalanceToEmployee'
+        'id' => 'id',
+        'name' => 'name',
+        'category' => 'category',
+        'liability_account_id' => 'liabilityAccountId',
+        'expense_account_id' => 'expenseAccountId',
+        'standard_amount' => 'standardAmount',
+        'percentage' => 'percentage',
+        'calculation_type' => 'calculationType',
+        'current_record' => 'currentRecord',
+        'subject_to_nic' => 'subjectToNIC',
+        'subject_to_pension' => 'subjectToPension',
+        'subject_to_tax' => 'subjectToTax',
+        'is_calculating_on_qualifying_earnings' => 'isCalculatingOnQualifyingEarnings',
+        'show_balance_to_employee' => 'showBalanceToEmployee'
     ];
 
     /**
@@ -106,7 +145,20 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'id' => 'setId''name' => 'setName''category' => 'setCategory''liability_account_id' => 'setLiabilityAccountId''expense_account_id' => 'setExpenseAccountId''standard_amount' => 'setStandardAmount''percentage' => 'setPercentage''calculation_type' => 'setCalculationType''current_record' => 'setCurrentRecord''subject_to_nic' => 'setSubjectToNic''subject_to_pension' => 'setSubjectToPension''subject_to_tax' => 'setSubjectToTax''is_calculating_on_qualifying_earnings' => 'setIsCalculatingOnQualifyingEarnings''show_balance_to_employee' => 'setShowBalanceToEmployee'
+        'id' => 'setId',
+        'name' => 'setName',
+        'category' => 'setCategory',
+        'liability_account_id' => 'setLiabilityAccountId',
+        'expense_account_id' => 'setExpenseAccountId',
+        'standard_amount' => 'setStandardAmount',
+        'percentage' => 'setPercentage',
+        'calculation_type' => 'setCalculationType',
+        'current_record' => 'setCurrentRecord',
+        'subject_to_nic' => 'setSubjectToNic',
+        'subject_to_pension' => 'setSubjectToPension',
+        'subject_to_tax' => 'setSubjectToTax',
+        'is_calculating_on_qualifying_earnings' => 'setIsCalculatingOnQualifyingEarnings',
+        'show_balance_to_employee' => 'setShowBalanceToEmployee'
     ];
 
     /**
@@ -115,7 +167,20 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'id' => 'getId''name' => 'getName''category' => 'getCategory''liability_account_id' => 'getLiabilityAccountId''expense_account_id' => 'getExpenseAccountId''standard_amount' => 'getStandardAmount''percentage' => 'getPercentage''calculation_type' => 'getCalculationType''current_record' => 'getCurrentRecord''subject_to_nic' => 'getSubjectToNic''subject_to_pension' => 'getSubjectToPension''subject_to_tax' => 'getSubjectToTax''is_calculating_on_qualifying_earnings' => 'getIsCalculatingOnQualifyingEarnings''show_balance_to_employee' => 'getShowBalanceToEmployee'
+        'id' => 'getId',
+        'name' => 'getName',
+        'category' => 'getCategory',
+        'liability_account_id' => 'getLiabilityAccountId',
+        'expense_account_id' => 'getExpenseAccountId',
+        'standard_amount' => 'getStandardAmount',
+        'percentage' => 'getPercentage',
+        'calculation_type' => 'getCalculationType',
+        'current_record' => 'getCurrentRecord',
+        'subject_to_nic' => 'getSubjectToNic',
+        'subject_to_pension' => 'getSubjectToPension',
+        'subject_to_tax' => 'getSubjectToTax',
+        'is_calculating_on_qualifying_earnings' => 'getIsCalculatingOnQualifyingEarnings',
+        'show_balance_to_employee' => 'getShowBalanceToEmployee'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/BenefitLine.php b/lib/Models/PayrollUk/BenefitLine.php
index 97816d74..1c77cc9e 100644
--- a/lib/Models/PayrollUk/BenefitLine.php
+++ b/lib/Models/PayrollUk/BenefitLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class BenefitLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'benefit_type_id' => 'string''display_name' => 'string''amount' => 'double''fixed_amount' => 'double''percentage' => 'double'
+        'benefit_type_id' => 'string',
+        'display_name' => 'string',
+        'amount' => 'double',
+        'fixed_amount' => 'double',
+        'percentage' => 'double'
     ];
 
     /**
@@ -67,7 +71,11 @@ class BenefitLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'benefit_type_id' => 'uuid''display_name' => null'amount' => 'double''fixed_amount' => 'double''percentage' => 'double'
+        'benefit_type_id' => 'uuid',
+        'display_name' => null,
+        'amount' => 'double',
+        'fixed_amount' => 'double',
+        'percentage' => 'double'
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'benefit_type_id' => 'benefitTypeID''display_name' => 'displayName''amount' => 'amount''fixed_amount' => 'fixedAmount''percentage' => 'percentage'
+        'benefit_type_id' => 'benefitTypeID',
+        'display_name' => 'displayName',
+        'amount' => 'amount',
+        'fixed_amount' => 'fixedAmount',
+        'percentage' => 'percentage'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'benefit_type_id' => 'setBenefitTypeId''display_name' => 'setDisplayName''amount' => 'setAmount''fixed_amount' => 'setFixedAmount''percentage' => 'setPercentage'
+        'benefit_type_id' => 'setBenefitTypeId',
+        'display_name' => 'setDisplayName',
+        'amount' => 'setAmount',
+        'fixed_amount' => 'setFixedAmount',
+        'percentage' => 'setPercentage'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'benefit_type_id' => 'getBenefitTypeId''display_name' => 'getDisplayName''amount' => 'getAmount''fixed_amount' => 'getFixedAmount''percentage' => 'getPercentage'
+        'benefit_type_id' => 'getBenefitTypeId',
+        'display_name' => 'getDisplayName',
+        'amount' => 'getAmount',
+        'fixed_amount' => 'getFixedAmount',
+        'percentage' => 'getPercentage'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/BenefitObject.php b/lib/Models/PayrollUk/BenefitObject.php
index f1be6efc..cba3a3ca 100644
--- a/lib/Models/PayrollUk/BenefitObject.php
+++ b/lib/Models/PayrollUk/BenefitObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class BenefitObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''benefit' => '\XeroAPI\XeroPHP\Models\PayrollUk\Benefit'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'benefit' => '\XeroAPI\XeroPHP\Models\PayrollUk\Benefit'
     ];
 
     /**
@@ -67,7 +69,9 @@ class BenefitObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'benefit' => null
+        'pagination' => null,
+        'problem' => null,
+        'benefit' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''benefit' => 'benefit'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'benefit' => 'benefit'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''benefit' => 'setBenefit'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'benefit' => 'setBenefit'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''benefit' => 'getBenefit'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'benefit' => 'getBenefit'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/Benefits.php b/lib/Models/PayrollUk/Benefits.php
index 8039b001..4ad19f7a 100644
--- a/lib/Models/PayrollUk/Benefits.php
+++ b/lib/Models/PayrollUk/Benefits.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class Benefits implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''benefits' => '\XeroAPI\XeroPHP\Models\PayrollUk\Benefit[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'benefits' => '\XeroAPI\XeroPHP\Models\PayrollUk\Benefit[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class Benefits implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'benefits' => null
+        'pagination' => null,
+        'problem' => null,
+        'benefits' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''benefits' => 'benefits'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'benefits' => 'benefits'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''benefits' => 'setBenefits'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'benefits' => 'setBenefits'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''benefits' => 'getBenefits'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'benefits' => 'getBenefits'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/CourtOrderLine.php b/lib/Models/PayrollUk/CourtOrderLine.php
index 4be4f57b..04d75498 100644
--- a/lib/Models/PayrollUk/CourtOrderLine.php
+++ b/lib/Models/PayrollUk/CourtOrderLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class CourtOrderLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'court_order_type_id' => 'string''amount' => 'double'
+        'court_order_type_id' => 'string',
+        'amount' => 'double'
     ];
 
     /**
@@ -67,7 +68,8 @@ class CourtOrderLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'court_order_type_id' => 'uuid''amount' => 'double'
+        'court_order_type_id' => 'uuid',
+        'amount' => 'double'
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'court_order_type_id' => 'courtOrderTypeID''amount' => 'amount'
+        'court_order_type_id' => 'courtOrderTypeID',
+        'amount' => 'amount'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'court_order_type_id' => 'setCourtOrderTypeId''amount' => 'setAmount'
+        'court_order_type_id' => 'setCourtOrderTypeId',
+        'amount' => 'setAmount'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'court_order_type_id' => 'getCourtOrderTypeId''amount' => 'getAmount'
+        'court_order_type_id' => 'getCourtOrderTypeId',
+        'amount' => 'getAmount'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/Deduction.php b/lib/Models/PayrollUk/Deduction.php
index 6ace84c9..d2947b6e 100644
--- a/lib/Models/PayrollUk/Deduction.php
+++ b/lib/Models/PayrollUk/Deduction.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,22 @@ class Deduction implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'deduction_id' => 'string''deduction_name' => 'string''deduction_category' => 'string''liability_account_id' => 'string''current_record' => 'bool''standard_amount' => 'double''reduces_super_liability' => 'bool''reduces_tax_liability' => 'bool''calculation_type' => 'string''percentage' => 'double''subject_to_nic' => 'bool''subject_to_tax' => 'bool''is_reduced_by_basic_rate' => 'bool''apply_to_pension_calculations' => 'bool''is_calculating_on_qualifying_earnings' => 'bool''is_pension' => 'bool'
+        'deduction_id' => 'string',
+        'deduction_name' => 'string',
+        'deduction_category' => 'string',
+        'liability_account_id' => 'string',
+        'current_record' => 'bool',
+        'standard_amount' => 'double',
+        'reduces_super_liability' => 'bool',
+        'reduces_tax_liability' => 'bool',
+        'calculation_type' => 'string',
+        'percentage' => 'double',
+        'subject_to_nic' => 'bool',
+        'subject_to_tax' => 'bool',
+        'is_reduced_by_basic_rate' => 'bool',
+        'apply_to_pension_calculations' => 'bool',
+        'is_calculating_on_qualifying_earnings' => 'bool',
+        'is_pension' => 'bool'
     ];
 
     /**
@@ -67,7 +82,22 @@ class Deduction implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'deduction_id' => 'uuid''deduction_name' => null'deduction_category' => null'liability_account_id' => 'uuid''current_record' => null'standard_amount' => 'double''reduces_super_liability' => null'reduces_tax_liability' => null'calculation_type' => null'percentage' => 'double''subject_to_nic' => null'subject_to_tax' => null'is_reduced_by_basic_rate' => null'apply_to_pension_calculations' => null'is_calculating_on_qualifying_earnings' => null'is_pension' => null
+        'deduction_id' => 'uuid',
+        'deduction_name' => null,
+        'deduction_category' => null,
+        'liability_account_id' => 'uuid',
+        'current_record' => null,
+        'standard_amount' => 'double',
+        'reduces_super_liability' => null,
+        'reduces_tax_liability' => null,
+        'calculation_type' => null,
+        'percentage' => 'double',
+        'subject_to_nic' => null,
+        'subject_to_tax' => null,
+        'is_reduced_by_basic_rate' => null,
+        'apply_to_pension_calculations' => null,
+        'is_calculating_on_qualifying_earnings' => null,
+        'is_pension' => null
     ];
 
     /**
@@ -97,7 +127,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'deduction_id' => 'deductionId''deduction_name' => 'deductionName''deduction_category' => 'deductionCategory''liability_account_id' => 'liabilityAccountId''current_record' => 'currentRecord''standard_amount' => 'standardAmount''reduces_super_liability' => 'reducesSuperLiability''reduces_tax_liability' => 'reducesTaxLiability''calculation_type' => 'calculationType''percentage' => 'percentage''subject_to_nic' => 'subjectToNIC''subject_to_tax' => 'subjectToTax''is_reduced_by_basic_rate' => 'isReducedByBasicRate''apply_to_pension_calculations' => 'applyToPensionCalculations''is_calculating_on_qualifying_earnings' => 'isCalculatingOnQualifyingEarnings''is_pension' => 'isPension'
+        'deduction_id' => 'deductionId',
+        'deduction_name' => 'deductionName',
+        'deduction_category' => 'deductionCategory',
+        'liability_account_id' => 'liabilityAccountId',
+        'current_record' => 'currentRecord',
+        'standard_amount' => 'standardAmount',
+        'reduces_super_liability' => 'reducesSuperLiability',
+        'reduces_tax_liability' => 'reducesTaxLiability',
+        'calculation_type' => 'calculationType',
+        'percentage' => 'percentage',
+        'subject_to_nic' => 'subjectToNIC',
+        'subject_to_tax' => 'subjectToTax',
+        'is_reduced_by_basic_rate' => 'isReducedByBasicRate',
+        'apply_to_pension_calculations' => 'applyToPensionCalculations',
+        'is_calculating_on_qualifying_earnings' => 'isCalculatingOnQualifyingEarnings',
+        'is_pension' => 'isPension'
     ];
 
     /**
@@ -106,7 +151,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'deduction_id' => 'setDeductionId''deduction_name' => 'setDeductionName''deduction_category' => 'setDeductionCategory''liability_account_id' => 'setLiabilityAccountId''current_record' => 'setCurrentRecord''standard_amount' => 'setStandardAmount''reduces_super_liability' => 'setReducesSuperLiability''reduces_tax_liability' => 'setReducesTaxLiability''calculation_type' => 'setCalculationType''percentage' => 'setPercentage''subject_to_nic' => 'setSubjectToNic''subject_to_tax' => 'setSubjectToTax''is_reduced_by_basic_rate' => 'setIsReducedByBasicRate''apply_to_pension_calculations' => 'setApplyToPensionCalculations''is_calculating_on_qualifying_earnings' => 'setIsCalculatingOnQualifyingEarnings''is_pension' => 'setIsPension'
+        'deduction_id' => 'setDeductionId',
+        'deduction_name' => 'setDeductionName',
+        'deduction_category' => 'setDeductionCategory',
+        'liability_account_id' => 'setLiabilityAccountId',
+        'current_record' => 'setCurrentRecord',
+        'standard_amount' => 'setStandardAmount',
+        'reduces_super_liability' => 'setReducesSuperLiability',
+        'reduces_tax_liability' => 'setReducesTaxLiability',
+        'calculation_type' => 'setCalculationType',
+        'percentage' => 'setPercentage',
+        'subject_to_nic' => 'setSubjectToNic',
+        'subject_to_tax' => 'setSubjectToTax',
+        'is_reduced_by_basic_rate' => 'setIsReducedByBasicRate',
+        'apply_to_pension_calculations' => 'setApplyToPensionCalculations',
+        'is_calculating_on_qualifying_earnings' => 'setIsCalculatingOnQualifyingEarnings',
+        'is_pension' => 'setIsPension'
     ];
 
     /**
@@ -115,7 +175,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'deduction_id' => 'getDeductionId''deduction_name' => 'getDeductionName''deduction_category' => 'getDeductionCategory''liability_account_id' => 'getLiabilityAccountId''current_record' => 'getCurrentRecord''standard_amount' => 'getStandardAmount''reduces_super_liability' => 'getReducesSuperLiability''reduces_tax_liability' => 'getReducesTaxLiability''calculation_type' => 'getCalculationType''percentage' => 'getPercentage''subject_to_nic' => 'getSubjectToNic''subject_to_tax' => 'getSubjectToTax''is_reduced_by_basic_rate' => 'getIsReducedByBasicRate''apply_to_pension_calculations' => 'getApplyToPensionCalculations''is_calculating_on_qualifying_earnings' => 'getIsCalculatingOnQualifyingEarnings''is_pension' => 'getIsPension'
+        'deduction_id' => 'getDeductionId',
+        'deduction_name' => 'getDeductionName',
+        'deduction_category' => 'getDeductionCategory',
+        'liability_account_id' => 'getLiabilityAccountId',
+        'current_record' => 'getCurrentRecord',
+        'standard_amount' => 'getStandardAmount',
+        'reduces_super_liability' => 'getReducesSuperLiability',
+        'reduces_tax_liability' => 'getReducesTaxLiability',
+        'calculation_type' => 'getCalculationType',
+        'percentage' => 'getPercentage',
+        'subject_to_nic' => 'getSubjectToNic',
+        'subject_to_tax' => 'getSubjectToTax',
+        'is_reduced_by_basic_rate' => 'getIsReducedByBasicRate',
+        'apply_to_pension_calculations' => 'getApplyToPensionCalculations',
+        'is_calculating_on_qualifying_earnings' => 'getIsCalculatingOnQualifyingEarnings',
+        'is_pension' => 'getIsPension'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/DeductionLine.php b/lib/Models/PayrollUk/DeductionLine.php
index 11316e98..dc388733 100644
--- a/lib/Models/PayrollUk/DeductionLine.php
+++ b/lib/Models/PayrollUk/DeductionLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class DeductionLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'deduction_type_id' => 'string''amount' => 'double''subject_to_tax' => 'bool''percentage' => 'double'
+        'deduction_type_id' => 'string',
+        'amount' => 'double',
+        'subject_to_tax' => 'bool',
+        'percentage' => 'double'
     ];
 
     /**
@@ -67,7 +70,10 @@ class DeductionLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'deduction_type_id' => 'uuid''amount' => 'double''subject_to_tax' => null'percentage' => 'double'
+        'deduction_type_id' => 'uuid',
+        'amount' => 'double',
+        'subject_to_tax' => null,
+        'percentage' => 'double'
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'deduction_type_id' => 'deductionTypeID''amount' => 'amount''subject_to_tax' => 'subjectToTax''percentage' => 'percentage'
+        'deduction_type_id' => 'deductionTypeID',
+        'amount' => 'amount',
+        'subject_to_tax' => 'subjectToTax',
+        'percentage' => 'percentage'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'deduction_type_id' => 'setDeductionTypeId''amount' => 'setAmount''subject_to_tax' => 'setSubjectToTax''percentage' => 'setPercentage'
+        'deduction_type_id' => 'setDeductionTypeId',
+        'amount' => 'setAmount',
+        'subject_to_tax' => 'setSubjectToTax',
+        'percentage' => 'setPercentage'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'deduction_type_id' => 'getDeductionTypeId''amount' => 'getAmount''subject_to_tax' => 'getSubjectToTax''percentage' => 'getPercentage'
+        'deduction_type_id' => 'getDeductionTypeId',
+        'amount' => 'getAmount',
+        'subject_to_tax' => 'getSubjectToTax',
+        'percentage' => 'getPercentage'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/DeductionObject.php b/lib/Models/PayrollUk/DeductionObject.php
index 67d527f6..c6478b68 100644
--- a/lib/Models/PayrollUk/DeductionObject.php
+++ b/lib/Models/PayrollUk/DeductionObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class DeductionObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''deduction' => '\XeroAPI\XeroPHP\Models\PayrollUk\Deduction'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'deduction' => '\XeroAPI\XeroPHP\Models\PayrollUk\Deduction'
     ];
 
     /**
@@ -67,7 +69,9 @@ class DeductionObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'deduction' => null
+        'pagination' => null,
+        'problem' => null,
+        'deduction' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''deduction' => 'deduction'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'deduction' => 'deduction'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''deduction' => 'setDeduction'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'deduction' => 'setDeduction'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''deduction' => 'getDeduction'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'deduction' => 'getDeduction'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/Deductions.php b/lib/Models/PayrollUk/Deductions.php
index 178d7b7c..79f3b880 100644
--- a/lib/Models/PayrollUk/Deductions.php
+++ b/lib/Models/PayrollUk/Deductions.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class Deductions implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''deductions' => '\XeroAPI\XeroPHP\Models\PayrollUk\Deduction[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'deductions' => '\XeroAPI\XeroPHP\Models\PayrollUk\Deduction[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class Deductions implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'deductions' => null
+        'pagination' => null,
+        'problem' => null,
+        'deductions' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''deductions' => 'deductions'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'deductions' => 'deductions'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''deductions' => 'setDeductions'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'deductions' => 'setDeductions'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''deductions' => 'getDeductions'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'deductions' => 'getDeductions'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EarningsLine.php b/lib/Models/PayrollUk/EarningsLine.php
index 3d2dae1b..314f64d1 100644
--- a/lib/Models/PayrollUk/EarningsLine.php
+++ b/lib/Models/PayrollUk/EarningsLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,15 @@ class EarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_line_id' => 'string''earnings_rate_id' => 'string''display_name' => 'string''rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''amount' => 'double''is_linked_to_timesheet' => 'bool''is_average_daily_pay_rate' => 'bool'
+        'earnings_line_id' => 'string',
+        'earnings_rate_id' => 'string',
+        'display_name' => 'string',
+        'rate_per_unit' => 'double',
+        'number_of_units' => 'double',
+        'fixed_amount' => 'double',
+        'amount' => 'double',
+        'is_linked_to_timesheet' => 'bool',
+        'is_average_daily_pay_rate' => 'bool'
     ];
 
     /**
@@ -67,7 +75,15 @@ class EarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_line_id' => 'uuid''earnings_rate_id' => 'uuid''display_name' => null'rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''amount' => 'double''is_linked_to_timesheet' => null'is_average_daily_pay_rate' => null
+        'earnings_line_id' => 'uuid',
+        'earnings_rate_id' => 'uuid',
+        'display_name' => null,
+        'rate_per_unit' => 'double',
+        'number_of_units' => 'double',
+        'fixed_amount' => 'double',
+        'amount' => 'double',
+        'is_linked_to_timesheet' => null,
+        'is_average_daily_pay_rate' => null
     ];
 
     /**
@@ -97,7 +113,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_line_id' => 'earningsLineID''earnings_rate_id' => 'earningsRateID''display_name' => 'displayName''rate_per_unit' => 'ratePerUnit''number_of_units' => 'numberOfUnits''fixed_amount' => 'fixedAmount''amount' => 'amount''is_linked_to_timesheet' => 'isLinkedToTimesheet''is_average_daily_pay_rate' => 'isAverageDailyPayRate'
+        'earnings_line_id' => 'earningsLineID',
+        'earnings_rate_id' => 'earningsRateID',
+        'display_name' => 'displayName',
+        'rate_per_unit' => 'ratePerUnit',
+        'number_of_units' => 'numberOfUnits',
+        'fixed_amount' => 'fixedAmount',
+        'amount' => 'amount',
+        'is_linked_to_timesheet' => 'isLinkedToTimesheet',
+        'is_average_daily_pay_rate' => 'isAverageDailyPayRate'
     ];
 
     /**
@@ -106,7 +130,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_line_id' => 'setEarningsLineId''earnings_rate_id' => 'setEarningsRateId''display_name' => 'setDisplayName''rate_per_unit' => 'setRatePerUnit''number_of_units' => 'setNumberOfUnits''fixed_amount' => 'setFixedAmount''amount' => 'setAmount''is_linked_to_timesheet' => 'setIsLinkedToTimesheet''is_average_daily_pay_rate' => 'setIsAverageDailyPayRate'
+        'earnings_line_id' => 'setEarningsLineId',
+        'earnings_rate_id' => 'setEarningsRateId',
+        'display_name' => 'setDisplayName',
+        'rate_per_unit' => 'setRatePerUnit',
+        'number_of_units' => 'setNumberOfUnits',
+        'fixed_amount' => 'setFixedAmount',
+        'amount' => 'setAmount',
+        'is_linked_to_timesheet' => 'setIsLinkedToTimesheet',
+        'is_average_daily_pay_rate' => 'setIsAverageDailyPayRate'
     ];
 
     /**
@@ -115,7 +147,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_line_id' => 'getEarningsLineId''earnings_rate_id' => 'getEarningsRateId''display_name' => 'getDisplayName''rate_per_unit' => 'getRatePerUnit''number_of_units' => 'getNumberOfUnits''fixed_amount' => 'getFixedAmount''amount' => 'getAmount''is_linked_to_timesheet' => 'getIsLinkedToTimesheet''is_average_daily_pay_rate' => 'getIsAverageDailyPayRate'
+        'earnings_line_id' => 'getEarningsLineId',
+        'earnings_rate_id' => 'getEarningsRateId',
+        'display_name' => 'getDisplayName',
+        'rate_per_unit' => 'getRatePerUnit',
+        'number_of_units' => 'getNumberOfUnits',
+        'fixed_amount' => 'getFixedAmount',
+        'amount' => 'getAmount',
+        'is_linked_to_timesheet' => 'getIsLinkedToTimesheet',
+        'is_average_daily_pay_rate' => 'getIsAverageDailyPayRate'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EarningsOrder.php b/lib/Models/PayrollUk/EarningsOrder.php
index 08262584..b6827183 100644
--- a/lib/Models/PayrollUk/EarningsOrder.php
+++ b/lib/Models/PayrollUk/EarningsOrder.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class EarningsOrder implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'id' => 'string''name' => 'string''statutory_deduction_category' => '\XeroAPI\XeroPHP\Models\PayrollUk\StatutoryDeductionCategory''liability_account_id' => 'string''current_record' => 'bool'
+        'id' => 'string',
+        'name' => 'string',
+        'statutory_deduction_category' => '\XeroAPI\XeroPHP\Models\PayrollUk\StatutoryDeductionCategory',
+        'liability_account_id' => 'string',
+        'current_record' => 'bool'
     ];
 
     /**
@@ -67,7 +71,11 @@ class EarningsOrder implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'id' => 'uuid''name' => null'statutory_deduction_category' => null'liability_account_id' => 'uuid''current_record' => null
+        'id' => 'uuid',
+        'name' => null,
+        'statutory_deduction_category' => null,
+        'liability_account_id' => 'uuid',
+        'current_record' => null
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'id' => 'id''name' => 'name''statutory_deduction_category' => 'statutoryDeductionCategory''liability_account_id' => 'liabilityAccountId''current_record' => 'currentRecord'
+        'id' => 'id',
+        'name' => 'name',
+        'statutory_deduction_category' => 'statutoryDeductionCategory',
+        'liability_account_id' => 'liabilityAccountId',
+        'current_record' => 'currentRecord'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'id' => 'setId''name' => 'setName''statutory_deduction_category' => 'setStatutoryDeductionCategory''liability_account_id' => 'setLiabilityAccountId''current_record' => 'setCurrentRecord'
+        'id' => 'setId',
+        'name' => 'setName',
+        'statutory_deduction_category' => 'setStatutoryDeductionCategory',
+        'liability_account_id' => 'setLiabilityAccountId',
+        'current_record' => 'setCurrentRecord'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'id' => 'getId''name' => 'getName''statutory_deduction_category' => 'getStatutoryDeductionCategory''liability_account_id' => 'getLiabilityAccountId''current_record' => 'getCurrentRecord'
+        'id' => 'getId',
+        'name' => 'getName',
+        'statutory_deduction_category' => 'getStatutoryDeductionCategory',
+        'liability_account_id' => 'getLiabilityAccountId',
+        'current_record' => 'getCurrentRecord'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EarningsOrderObject.php b/lib/Models/PayrollUk/EarningsOrderObject.php
index ed7654c8..180b03db 100644
--- a/lib/Models/PayrollUk/EarningsOrderObject.php
+++ b/lib/Models/PayrollUk/EarningsOrderObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EarningsOrderObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''statutory_deduction' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsOrder'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'statutory_deduction' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsOrder'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EarningsOrderObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'statutory_deduction' => null
+        'pagination' => null,
+        'problem' => null,
+        'statutory_deduction' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''statutory_deduction' => 'statutoryDeduction'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'statutory_deduction' => 'statutoryDeduction'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''statutory_deduction' => 'setStatutoryDeduction'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'statutory_deduction' => 'setStatutoryDeduction'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''statutory_deduction' => 'getStatutoryDeduction'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'statutory_deduction' => 'getStatutoryDeduction'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EarningsOrders.php b/lib/Models/PayrollUk/EarningsOrders.php
index 6ab46fba..6f0e4658 100644
--- a/lib/Models/PayrollUk/EarningsOrders.php
+++ b/lib/Models/PayrollUk/EarningsOrders.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EarningsOrders implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''statutory_deductions' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsOrder[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'statutory_deductions' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsOrder[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EarningsOrders implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'statutory_deductions' => null
+        'pagination' => null,
+        'problem' => null,
+        'statutory_deductions' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''statutory_deductions' => 'statutoryDeductions'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'statutory_deductions' => 'statutoryDeductions'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''statutory_deductions' => 'setStatutoryDeductions'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'statutory_deductions' => 'setStatutoryDeductions'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''statutory_deductions' => 'getStatutoryDeductions'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'statutory_deductions' => 'getStatutoryDeductions'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EarningsRate.php b/lib/Models/PayrollUk/EarningsRate.php
index 55aea165..07aad223 100644
--- a/lib/Models/PayrollUk/EarningsRate.php
+++ b/lib/Models/PayrollUk/EarningsRate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,16 @@ class EarningsRate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_rate_id' => 'string''name' => 'string''earnings_type' => 'string''rate_type' => 'string''type_of_units' => 'string''current_record' => 'bool''expense_account_id' => 'string''rate_per_unit' => 'double''multiple_of_ordinary_earnings_rate' => 'double''fixed_amount' => 'double'
+        'earnings_rate_id' => 'string',
+        'name' => 'string',
+        'earnings_type' => 'string',
+        'rate_type' => 'string',
+        'type_of_units' => 'string',
+        'current_record' => 'bool',
+        'expense_account_id' => 'string',
+        'rate_per_unit' => 'double',
+        'multiple_of_ordinary_earnings_rate' => 'double',
+        'fixed_amount' => 'double'
     ];
 
     /**
@@ -67,7 +76,16 @@ class EarningsRate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_rate_id' => 'uuid''name' => null'earnings_type' => null'rate_type' => null'type_of_units' => null'current_record' => null'expense_account_id' => 'uuid''rate_per_unit' => 'double''multiple_of_ordinary_earnings_rate' => 'double''fixed_amount' => 'double'
+        'earnings_rate_id' => 'uuid',
+        'name' => null,
+        'earnings_type' => null,
+        'rate_type' => null,
+        'type_of_units' => null,
+        'current_record' => null,
+        'expense_account_id' => 'uuid',
+        'rate_per_unit' => 'double',
+        'multiple_of_ordinary_earnings_rate' => 'double',
+        'fixed_amount' => 'double'
     ];
 
     /**
@@ -97,7 +115,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_rate_id' => 'earningsRateID''name' => 'name''earnings_type' => 'earningsType''rate_type' => 'rateType''type_of_units' => 'typeOfUnits''current_record' => 'currentRecord''expense_account_id' => 'expenseAccountID''rate_per_unit' => 'ratePerUnit''multiple_of_ordinary_earnings_rate' => 'multipleOfOrdinaryEarningsRate''fixed_amount' => 'fixedAmount'
+        'earnings_rate_id' => 'earningsRateID',
+        'name' => 'name',
+        'earnings_type' => 'earningsType',
+        'rate_type' => 'rateType',
+        'type_of_units' => 'typeOfUnits',
+        'current_record' => 'currentRecord',
+        'expense_account_id' => 'expenseAccountID',
+        'rate_per_unit' => 'ratePerUnit',
+        'multiple_of_ordinary_earnings_rate' => 'multipleOfOrdinaryEarningsRate',
+        'fixed_amount' => 'fixedAmount'
     ];
 
     /**
@@ -106,7 +133,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_rate_id' => 'setEarningsRateId''name' => 'setName''earnings_type' => 'setEarningsType''rate_type' => 'setRateType''type_of_units' => 'setTypeOfUnits''current_record' => 'setCurrentRecord''expense_account_id' => 'setExpenseAccountId''rate_per_unit' => 'setRatePerUnit''multiple_of_ordinary_earnings_rate' => 'setMultipleOfOrdinaryEarningsRate''fixed_amount' => 'setFixedAmount'
+        'earnings_rate_id' => 'setEarningsRateId',
+        'name' => 'setName',
+        'earnings_type' => 'setEarningsType',
+        'rate_type' => 'setRateType',
+        'type_of_units' => 'setTypeOfUnits',
+        'current_record' => 'setCurrentRecord',
+        'expense_account_id' => 'setExpenseAccountId',
+        'rate_per_unit' => 'setRatePerUnit',
+        'multiple_of_ordinary_earnings_rate' => 'setMultipleOfOrdinaryEarningsRate',
+        'fixed_amount' => 'setFixedAmount'
     ];
 
     /**
@@ -115,7 +151,16 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_rate_id' => 'getEarningsRateId''name' => 'getName''earnings_type' => 'getEarningsType''rate_type' => 'getRateType''type_of_units' => 'getTypeOfUnits''current_record' => 'getCurrentRecord''expense_account_id' => 'getExpenseAccountId''rate_per_unit' => 'getRatePerUnit''multiple_of_ordinary_earnings_rate' => 'getMultipleOfOrdinaryEarningsRate''fixed_amount' => 'getFixedAmount'
+        'earnings_rate_id' => 'getEarningsRateId',
+        'name' => 'getName',
+        'earnings_type' => 'getEarningsType',
+        'rate_type' => 'getRateType',
+        'type_of_units' => 'getTypeOfUnits',
+        'current_record' => 'getCurrentRecord',
+        'expense_account_id' => 'getExpenseAccountId',
+        'rate_per_unit' => 'getRatePerUnit',
+        'multiple_of_ordinary_earnings_rate' => 'getMultipleOfOrdinaryEarningsRate',
+        'fixed_amount' => 'getFixedAmount'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EarningsRateObject.php b/lib/Models/PayrollUk/EarningsRateObject.php
index 933a9156..8ef9a421 100644
--- a/lib/Models/PayrollUk/EarningsRateObject.php
+++ b/lib/Models/PayrollUk/EarningsRateObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EarningsRateObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''earnings_rate' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsRate'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'earnings_rate' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsRate'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EarningsRateObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'earnings_rate' => null
+        'pagination' => null,
+        'problem' => null,
+        'earnings_rate' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''earnings_rate' => 'earningsRate'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'earnings_rate' => 'earningsRate'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''earnings_rate' => 'setEarningsRate'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'earnings_rate' => 'setEarningsRate'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''earnings_rate' => 'getEarningsRate'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'earnings_rate' => 'getEarningsRate'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EarningsRates.php b/lib/Models/PayrollUk/EarningsRates.php
index 2a74dff0..6d1392d4 100644
--- a/lib/Models/PayrollUk/EarningsRates.php
+++ b/lib/Models/PayrollUk/EarningsRates.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EarningsRates implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''earnings_rates' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsRate[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'earnings_rates' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsRate[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EarningsRates implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'earnings_rates' => null
+        'pagination' => null,
+        'problem' => null,
+        'earnings_rates' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''earnings_rates' => 'earningsRates'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'earnings_rates' => 'earningsRates'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''earnings_rates' => 'setEarningsRates'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'earnings_rates' => 'setEarningsRates'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''earnings_rates' => 'getEarningsRates'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'earnings_rates' => 'getEarningsRates'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EarningsTemplate.php b/lib/Models/PayrollUk/EarningsTemplate.php
index 4b01b689..f2558130 100644
--- a/lib/Models/PayrollUk/EarningsTemplate.php
+++ b/lib/Models/PayrollUk/EarningsTemplate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class EarningsTemplate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pay_template_earning_id' => 'string''rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''earnings_rate_id' => 'string''name' => 'string'
+        'pay_template_earning_id' => 'string',
+        'rate_per_unit' => 'double',
+        'number_of_units' => 'double',
+        'fixed_amount' => 'double',
+        'earnings_rate_id' => 'string',
+        'name' => 'string'
     ];
 
     /**
@@ -67,7 +72,12 @@ class EarningsTemplate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pay_template_earning_id' => 'uuid''rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''earnings_rate_id' => 'uuid''name' => null
+        'pay_template_earning_id' => 'uuid',
+        'rate_per_unit' => 'double',
+        'number_of_units' => 'double',
+        'fixed_amount' => 'double',
+        'earnings_rate_id' => 'uuid',
+        'name' => null
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pay_template_earning_id' => 'payTemplateEarningID''rate_per_unit' => 'ratePerUnit''number_of_units' => 'numberOfUnits''fixed_amount' => 'fixedAmount''earnings_rate_id' => 'earningsRateID''name' => 'name'
+        'pay_template_earning_id' => 'payTemplateEarningID',
+        'rate_per_unit' => 'ratePerUnit',
+        'number_of_units' => 'numberOfUnits',
+        'fixed_amount' => 'fixedAmount',
+        'earnings_rate_id' => 'earningsRateID',
+        'name' => 'name'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pay_template_earning_id' => 'setPayTemplateEarningId''rate_per_unit' => 'setRatePerUnit''number_of_units' => 'setNumberOfUnits''fixed_amount' => 'setFixedAmount''earnings_rate_id' => 'setEarningsRateId''name' => 'setName'
+        'pay_template_earning_id' => 'setPayTemplateEarningId',
+        'rate_per_unit' => 'setRatePerUnit',
+        'number_of_units' => 'setNumberOfUnits',
+        'fixed_amount' => 'setFixedAmount',
+        'earnings_rate_id' => 'setEarningsRateId',
+        'name' => 'setName'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pay_template_earning_id' => 'getPayTemplateEarningId''rate_per_unit' => 'getRatePerUnit''number_of_units' => 'getNumberOfUnits''fixed_amount' => 'getFixedAmount''earnings_rate_id' => 'getEarningsRateId''name' => 'getName'
+        'pay_template_earning_id' => 'getPayTemplateEarningId',
+        'rate_per_unit' => 'getRatePerUnit',
+        'number_of_units' => 'getNumberOfUnits',
+        'fixed_amount' => 'getFixedAmount',
+        'earnings_rate_id' => 'getEarningsRateId',
+        'name' => 'getName'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EarningsTemplateObject.php b/lib/Models/PayrollUk/EarningsTemplateObject.php
index c5cd8cbe..5d605d2d 100644
--- a/lib/Models/PayrollUk/EarningsTemplateObject.php
+++ b/lib/Models/PayrollUk/EarningsTemplateObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EarningsTemplateObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''earning_template' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplate'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'earning_template' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplate'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EarningsTemplateObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'earning_template' => null
+        'pagination' => null,
+        'problem' => null,
+        'earning_template' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''earning_template' => 'earningTemplate'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'earning_template' => 'earningTemplate'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''earning_template' => 'setEarningTemplate'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'earning_template' => 'setEarningTemplate'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''earning_template' => 'getEarningTemplate'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'earning_template' => 'getEarningTemplate'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/Employee.php b/lib/Models/PayrollUk/Employee.php
index d0864a8c..19df8c8b 100644
--- a/lib/Models/PayrollUk/Employee.php
+++ b/lib/Models/PayrollUk/Employee.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,22 @@ class Employee implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'employee_id' => 'string''title' => 'string''first_name' => 'string''last_name' => 'string''date_of_birth' => '\DateTime''address' => '\XeroAPI\XeroPHP\Models\PayrollUk\Address''email' => 'string''gender' => 'string''phone_number' => 'string''start_date' => '\DateTime''end_date' => '\DateTime''payroll_calendar_id' => 'string''updated_date_utc' => '\DateTime''created_date_utc' => '\DateTime''national_insurance_number' => 'string''is_off_payroll_worker' => 'bool'
+        'employee_id' => 'string',
+        'title' => 'string',
+        'first_name' => 'string',
+        'last_name' => 'string',
+        'date_of_birth' => '\DateTime',
+        'address' => '\XeroAPI\XeroPHP\Models\PayrollUk\Address',
+        'email' => 'string',
+        'gender' => 'string',
+        'phone_number' => 'string',
+        'start_date' => '\DateTime',
+        'end_date' => '\DateTime',
+        'payroll_calendar_id' => 'string',
+        'updated_date_utc' => '\DateTime',
+        'created_date_utc' => '\DateTime',
+        'national_insurance_number' => 'string',
+        'is_off_payroll_worker' => 'bool'
     ];
 
     /**
@@ -67,7 +82,22 @@ class Employee implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'employee_id' => 'uuid''title' => null'first_name' => null'last_name' => null'date_of_birth' => 'date''address' => null'email' => null'gender' => null'phone_number' => null'start_date' => 'date''end_date' => 'date''payroll_calendar_id' => 'uuid''updated_date_utc' => 'date-time''created_date_utc' => 'date-time''national_insurance_number' => null'is_off_payroll_worker' => null
+        'employee_id' => 'uuid',
+        'title' => null,
+        'first_name' => null,
+        'last_name' => null,
+        'date_of_birth' => 'date',
+        'address' => null,
+        'email' => null,
+        'gender' => null,
+        'phone_number' => null,
+        'start_date' => 'date',
+        'end_date' => 'date',
+        'payroll_calendar_id' => 'uuid',
+        'updated_date_utc' => 'date-time',
+        'created_date_utc' => 'date-time',
+        'national_insurance_number' => null,
+        'is_off_payroll_worker' => null
     ];
 
     /**
@@ -97,7 +127,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'employee_id' => 'employeeID''title' => 'title''first_name' => 'firstName''last_name' => 'lastName''date_of_birth' => 'dateOfBirth''address' => 'address''email' => 'email''gender' => 'gender''phone_number' => 'phoneNumber''start_date' => 'startDate''end_date' => 'endDate''payroll_calendar_id' => 'payrollCalendarID''updated_date_utc' => 'updatedDateUTC''created_date_utc' => 'createdDateUTC''national_insurance_number' => 'nationalInsuranceNumber''is_off_payroll_worker' => 'isOffPayrollWorker'
+        'employee_id' => 'employeeID',
+        'title' => 'title',
+        'first_name' => 'firstName',
+        'last_name' => 'lastName',
+        'date_of_birth' => 'dateOfBirth',
+        'address' => 'address',
+        'email' => 'email',
+        'gender' => 'gender',
+        'phone_number' => 'phoneNumber',
+        'start_date' => 'startDate',
+        'end_date' => 'endDate',
+        'payroll_calendar_id' => 'payrollCalendarID',
+        'updated_date_utc' => 'updatedDateUTC',
+        'created_date_utc' => 'createdDateUTC',
+        'national_insurance_number' => 'nationalInsuranceNumber',
+        'is_off_payroll_worker' => 'isOffPayrollWorker'
     ];
 
     /**
@@ -106,7 +151,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'employee_id' => 'setEmployeeId''title' => 'setTitle''first_name' => 'setFirstName''last_name' => 'setLastName''date_of_birth' => 'setDateOfBirth''address' => 'setAddress''email' => 'setEmail''gender' => 'setGender''phone_number' => 'setPhoneNumber''start_date' => 'setStartDate''end_date' => 'setEndDate''payroll_calendar_id' => 'setPayrollCalendarId''updated_date_utc' => 'setUpdatedDateUtc''created_date_utc' => 'setCreatedDateUtc''national_insurance_number' => 'setNationalInsuranceNumber''is_off_payroll_worker' => 'setIsOffPayrollWorker'
+        'employee_id' => 'setEmployeeId',
+        'title' => 'setTitle',
+        'first_name' => 'setFirstName',
+        'last_name' => 'setLastName',
+        'date_of_birth' => 'setDateOfBirth',
+        'address' => 'setAddress',
+        'email' => 'setEmail',
+        'gender' => 'setGender',
+        'phone_number' => 'setPhoneNumber',
+        'start_date' => 'setStartDate',
+        'end_date' => 'setEndDate',
+        'payroll_calendar_id' => 'setPayrollCalendarId',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'created_date_utc' => 'setCreatedDateUtc',
+        'national_insurance_number' => 'setNationalInsuranceNumber',
+        'is_off_payroll_worker' => 'setIsOffPayrollWorker'
     ];
 
     /**
@@ -115,7 +175,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'employee_id' => 'getEmployeeId''title' => 'getTitle''first_name' => 'getFirstName''last_name' => 'getLastName''date_of_birth' => 'getDateOfBirth''address' => 'getAddress''email' => 'getEmail''gender' => 'getGender''phone_number' => 'getPhoneNumber''start_date' => 'getStartDate''end_date' => 'getEndDate''payroll_calendar_id' => 'getPayrollCalendarId''updated_date_utc' => 'getUpdatedDateUtc''created_date_utc' => 'getCreatedDateUtc''national_insurance_number' => 'getNationalInsuranceNumber''is_off_payroll_worker' => 'getIsOffPayrollWorker'
+        'employee_id' => 'getEmployeeId',
+        'title' => 'getTitle',
+        'first_name' => 'getFirstName',
+        'last_name' => 'getLastName',
+        'date_of_birth' => 'getDateOfBirth',
+        'address' => 'getAddress',
+        'email' => 'getEmail',
+        'gender' => 'getGender',
+        'phone_number' => 'getPhoneNumber',
+        'start_date' => 'getStartDate',
+        'end_date' => 'getEndDate',
+        'payroll_calendar_id' => 'getPayrollCalendarId',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'created_date_utc' => 'getCreatedDateUtc',
+        'national_insurance_number' => 'getNationalInsuranceNumber',
+        'is_off_payroll_worker' => 'getIsOffPayrollWorker'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EmployeeLeave.php b/lib/Models/PayrollUk/EmployeeLeave.php
index 1c9f4cc7..3997f0ed 100644
--- a/lib/Models/PayrollUk/EmployeeLeave.php
+++ b/lib/Models/PayrollUk/EmployeeLeave.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,13 @@ class EmployeeLeave implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_id' => 'string''leave_type_id' => 'string''description' => 'string''start_date' => '\DateTime''end_date' => '\DateTime''periods' => '\XeroAPI\XeroPHP\Models\PayrollUk\LeavePeriod[]''updated_date_utc' => '\DateTime'
+        'leave_id' => 'string',
+        'leave_type_id' => 'string',
+        'description' => 'string',
+        'start_date' => '\DateTime',
+        'end_date' => '\DateTime',
+        'periods' => '\XeroAPI\XeroPHP\Models\PayrollUk\LeavePeriod[]',
+        'updated_date_utc' => '\DateTime'
     ];
 
     /**
@@ -67,7 +73,13 @@ class EmployeeLeave implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_id' => 'uuid''leave_type_id' => 'uuid''description' => null'start_date' => 'date''end_date' => 'date''periods' => null'updated_date_utc' => 'date-time'
+        'leave_id' => 'uuid',
+        'leave_type_id' => 'uuid',
+        'description' => null,
+        'start_date' => 'date',
+        'end_date' => 'date',
+        'periods' => null,
+        'updated_date_utc' => 'date-time'
     ];
 
     /**
@@ -97,7 +109,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_id' => 'leaveID''leave_type_id' => 'leaveTypeID''description' => 'description''start_date' => 'startDate''end_date' => 'endDate''periods' => 'periods''updated_date_utc' => 'updatedDateUTC'
+        'leave_id' => 'leaveID',
+        'leave_type_id' => 'leaveTypeID',
+        'description' => 'description',
+        'start_date' => 'startDate',
+        'end_date' => 'endDate',
+        'periods' => 'periods',
+        'updated_date_utc' => 'updatedDateUTC'
     ];
 
     /**
@@ -106,7 +124,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_id' => 'setLeaveId''leave_type_id' => 'setLeaveTypeId''description' => 'setDescription''start_date' => 'setStartDate''end_date' => 'setEndDate''periods' => 'setPeriods''updated_date_utc' => 'setUpdatedDateUtc'
+        'leave_id' => 'setLeaveId',
+        'leave_type_id' => 'setLeaveTypeId',
+        'description' => 'setDescription',
+        'start_date' => 'setStartDate',
+        'end_date' => 'setEndDate',
+        'periods' => 'setPeriods',
+        'updated_date_utc' => 'setUpdatedDateUtc'
     ];
 
     /**
@@ -115,7 +139,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_id' => 'getLeaveId''leave_type_id' => 'getLeaveTypeId''description' => 'getDescription''start_date' => 'getStartDate''end_date' => 'getEndDate''periods' => 'getPeriods''updated_date_utc' => 'getUpdatedDateUtc'
+        'leave_id' => 'getLeaveId',
+        'leave_type_id' => 'getLeaveTypeId',
+        'description' => 'getDescription',
+        'start_date' => 'getStartDate',
+        'end_date' => 'getEndDate',
+        'periods' => 'getPeriods',
+        'updated_date_utc' => 'getUpdatedDateUtc'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EmployeeLeaveBalance.php b/lib/Models/PayrollUk/EmployeeLeaveBalance.php
index c0d8e1c4..ec31d7e0 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveBalance.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveBalance.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class EmployeeLeaveBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string''leave_type_id' => 'string''balance' => 'double''type_of_units' => 'string'
+        'name' => 'string',
+        'leave_type_id' => 'string',
+        'balance' => 'double',
+        'type_of_units' => 'string'
     ];
 
     /**
@@ -67,7 +70,10 @@ class EmployeeLeaveBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null'leave_type_id' => 'uuid''balance' => 'double''type_of_units' => null
+        'name' => null,
+        'leave_type_id' => 'uuid',
+        'balance' => 'double',
+        'type_of_units' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'name''leave_type_id' => 'leaveTypeID''balance' => 'balance''type_of_units' => 'typeOfUnits'
+        'name' => 'name',
+        'leave_type_id' => 'leaveTypeID',
+        'balance' => 'balance',
+        'type_of_units' => 'typeOfUnits'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName''leave_type_id' => 'setLeaveTypeId''balance' => 'setBalance''type_of_units' => 'setTypeOfUnits'
+        'name' => 'setName',
+        'leave_type_id' => 'setLeaveTypeId',
+        'balance' => 'setBalance',
+        'type_of_units' => 'setTypeOfUnits'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName''leave_type_id' => 'getLeaveTypeId''balance' => 'getBalance''type_of_units' => 'getTypeOfUnits'
+        'name' => 'getName',
+        'leave_type_id' => 'getLeaveTypeId',
+        'balance' => 'getBalance',
+        'type_of_units' => 'getTypeOfUnits'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EmployeeLeaveBalances.php b/lib/Models/PayrollUk/EmployeeLeaveBalances.php
index 83dd03a3..a2348652 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveBalances.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveBalances.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeLeaveBalances implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''leave_balances' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveBalance[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'leave_balances' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveBalance[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeLeaveBalances implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'leave_balances' => null
+        'pagination' => null,
+        'problem' => null,
+        'leave_balances' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''leave_balances' => 'leaveBalances'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'leave_balances' => 'leaveBalances'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''leave_balances' => 'setLeaveBalances'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'leave_balances' => 'setLeaveBalances'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''leave_balances' => 'getLeaveBalances'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'leave_balances' => 'getLeaveBalances'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EmployeeLeaveObject.php b/lib/Models/PayrollUk/EmployeeLeaveObject.php
index 5c29453f..e3912643 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveObject.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeLeaveObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''leave' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeave'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'leave' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeave'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeLeaveObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'leave' => null
+        'pagination' => null,
+        'problem' => null,
+        'leave' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''leave' => 'leave'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'leave' => 'leave'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''leave' => 'setLeave'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'leave' => 'setLeave'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''leave' => 'getLeave'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'leave' => 'getLeave'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EmployeeLeaveType.php b/lib/Models/PayrollUk/EmployeeLeaveType.php
index 54c55028..be862627 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveType.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class EmployeeLeaveType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_type_id' => 'string''schedule_of_accrual' => 'string''hours_accrued_annually' => 'double''maximum_to_accrue' => 'double''opening_balance' => 'double''rate_accrued_hourly' => 'double'
+        'leave_type_id' => 'string',
+        'schedule_of_accrual' => 'string',
+        'hours_accrued_annually' => 'double',
+        'maximum_to_accrue' => 'double',
+        'opening_balance' => 'double',
+        'rate_accrued_hourly' => 'double'
     ];
 
     /**
@@ -67,7 +72,12 @@ class EmployeeLeaveType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_type_id' => 'uuid''schedule_of_accrual' => null'hours_accrued_annually' => 'double''maximum_to_accrue' => 'double''opening_balance' => 'double''rate_accrued_hourly' => 'double'
+        'leave_type_id' => 'uuid',
+        'schedule_of_accrual' => null,
+        'hours_accrued_annually' => 'double',
+        'maximum_to_accrue' => 'double',
+        'opening_balance' => 'double',
+        'rate_accrued_hourly' => 'double'
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_type_id' => 'leaveTypeID''schedule_of_accrual' => 'scheduleOfAccrual''hours_accrued_annually' => 'hoursAccruedAnnually''maximum_to_accrue' => 'maximumToAccrue''opening_balance' => 'openingBalance''rate_accrued_hourly' => 'rateAccruedHourly'
+        'leave_type_id' => 'leaveTypeID',
+        'schedule_of_accrual' => 'scheduleOfAccrual',
+        'hours_accrued_annually' => 'hoursAccruedAnnually',
+        'maximum_to_accrue' => 'maximumToAccrue',
+        'opening_balance' => 'openingBalance',
+        'rate_accrued_hourly' => 'rateAccruedHourly'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_type_id' => 'setLeaveTypeId''schedule_of_accrual' => 'setScheduleOfAccrual''hours_accrued_annually' => 'setHoursAccruedAnnually''maximum_to_accrue' => 'setMaximumToAccrue''opening_balance' => 'setOpeningBalance''rate_accrued_hourly' => 'setRateAccruedHourly'
+        'leave_type_id' => 'setLeaveTypeId',
+        'schedule_of_accrual' => 'setScheduleOfAccrual',
+        'hours_accrued_annually' => 'setHoursAccruedAnnually',
+        'maximum_to_accrue' => 'setMaximumToAccrue',
+        'opening_balance' => 'setOpeningBalance',
+        'rate_accrued_hourly' => 'setRateAccruedHourly'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_type_id' => 'getLeaveTypeId''schedule_of_accrual' => 'getScheduleOfAccrual''hours_accrued_annually' => 'getHoursAccruedAnnually''maximum_to_accrue' => 'getMaximumToAccrue''opening_balance' => 'getOpeningBalance''rate_accrued_hourly' => 'getRateAccruedHourly'
+        'leave_type_id' => 'getLeaveTypeId',
+        'schedule_of_accrual' => 'getScheduleOfAccrual',
+        'hours_accrued_annually' => 'getHoursAccruedAnnually',
+        'maximum_to_accrue' => 'getMaximumToAccrue',
+        'opening_balance' => 'getOpeningBalance',
+        'rate_accrued_hourly' => 'getRateAccruedHourly'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EmployeeLeaveTypeObject.php b/lib/Models/PayrollUk/EmployeeLeaveTypeObject.php
index db1fa3d4..3b7ecd03 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveTypeObject.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveTypeObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeLeaveTypeObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''leave_type' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveType'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'leave_type' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveType'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeLeaveTypeObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'leave_type' => null
+        'pagination' => null,
+        'problem' => null,
+        'leave_type' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''leave_type' => 'leaveType'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'leave_type' => 'leaveType'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''leave_type' => 'setLeaveType'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'leave_type' => 'setLeaveType'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''leave_type' => 'getLeaveType'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'leave_type' => 'getLeaveType'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EmployeeLeaveTypes.php b/lib/Models/PayrollUk/EmployeeLeaveTypes.php
index 4202a94c..ea7bc7fb 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveTypes.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveTypes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeLeaveTypes implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''leave_types' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveType[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'leave_types' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeaveType[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeLeaveTypes implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'leave_types' => null
+        'pagination' => null,
+        'problem' => null,
+        'leave_types' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''leave_types' => 'leaveTypes'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'leave_types' => 'leaveTypes'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''leave_types' => 'setLeaveTypes'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'leave_types' => 'setLeaveTypes'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''leave_types' => 'getLeaveTypes'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'leave_types' => 'getLeaveTypes'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EmployeeLeaves.php b/lib/Models/PayrollUk/EmployeeLeaves.php
index 296a21c7..a6f81a2c 100644
--- a/lib/Models/PayrollUk/EmployeeLeaves.php
+++ b/lib/Models/PayrollUk/EmployeeLeaves.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeLeaves implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''leave' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeave[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'leave' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeLeave[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeLeaves implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'leave' => null
+        'pagination' => null,
+        'problem' => null,
+        'leave' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''leave' => 'leave'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'leave' => 'leave'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''leave' => 'setLeave'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'leave' => 'setLeave'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''leave' => 'getLeave'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'leave' => 'getLeave'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EmployeeObject.php b/lib/Models/PayrollUk/EmployeeObject.php
index b7dd5951..3bd25712 100644
--- a/lib/Models/PayrollUk/EmployeeObject.php
+++ b/lib/Models/PayrollUk/EmployeeObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''employee' => '\XeroAPI\XeroPHP\Models\PayrollUk\Employee''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'employee' => '\XeroAPI\XeroPHP\Models\PayrollUk\Employee',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'employee' => null'problem' => null
+        'pagination' => null,
+        'employee' => null,
+        'problem' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''employee' => 'employee''problem' => 'problem'
+        'pagination' => 'pagination',
+        'employee' => 'employee',
+        'problem' => 'problem'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''employee' => 'setEmployee''problem' => 'setProblem'
+        'pagination' => 'setPagination',
+        'employee' => 'setEmployee',
+        'problem' => 'setProblem'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''employee' => 'getEmployee''problem' => 'getProblem'
+        'pagination' => 'getPagination',
+        'employee' => 'getEmployee',
+        'problem' => 'getProblem'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EmployeeOpeningBalances.php b/lib/Models/PayrollUk/EmployeeOpeningBalances.php
index fdf57a8a..fe93ea56 100644
--- a/lib/Models/PayrollUk/EmployeeOpeningBalances.php
+++ b/lib/Models/PayrollUk/EmployeeOpeningBalances.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class EmployeeOpeningBalances implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'statutory_adoption_pay' => 'double''statutory_maternity_pay' => 'double''statutory_paternity_pay' => 'double''statutory_shared_parental_pay' => 'double''statutory_sick_pay' => 'double''prior_employee_number' => 'double'
+        'statutory_adoption_pay' => 'double',
+        'statutory_maternity_pay' => 'double',
+        'statutory_paternity_pay' => 'double',
+        'statutory_shared_parental_pay' => 'double',
+        'statutory_sick_pay' => 'double',
+        'prior_employee_number' => 'double'
     ];
 
     /**
@@ -67,7 +72,12 @@ class EmployeeOpeningBalances implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'statutory_adoption_pay' => 'double''statutory_maternity_pay' => 'double''statutory_paternity_pay' => 'double''statutory_shared_parental_pay' => 'double''statutory_sick_pay' => 'double''prior_employee_number' => 'double'
+        'statutory_adoption_pay' => 'double',
+        'statutory_maternity_pay' => 'double',
+        'statutory_paternity_pay' => 'double',
+        'statutory_shared_parental_pay' => 'double',
+        'statutory_sick_pay' => 'double',
+        'prior_employee_number' => 'double'
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'statutory_adoption_pay' => 'statutoryAdoptionPay''statutory_maternity_pay' => 'statutoryMaternityPay''statutory_paternity_pay' => 'statutoryPaternityPay''statutory_shared_parental_pay' => 'statutorySharedParentalPay''statutory_sick_pay' => 'statutorySickPay''prior_employee_number' => 'priorEmployeeNumber'
+        'statutory_adoption_pay' => 'statutoryAdoptionPay',
+        'statutory_maternity_pay' => 'statutoryMaternityPay',
+        'statutory_paternity_pay' => 'statutoryPaternityPay',
+        'statutory_shared_parental_pay' => 'statutorySharedParentalPay',
+        'statutory_sick_pay' => 'statutorySickPay',
+        'prior_employee_number' => 'priorEmployeeNumber'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'statutory_adoption_pay' => 'setStatutoryAdoptionPay''statutory_maternity_pay' => 'setStatutoryMaternityPay''statutory_paternity_pay' => 'setStatutoryPaternityPay''statutory_shared_parental_pay' => 'setStatutorySharedParentalPay''statutory_sick_pay' => 'setStatutorySickPay''prior_employee_number' => 'setPriorEmployeeNumber'
+        'statutory_adoption_pay' => 'setStatutoryAdoptionPay',
+        'statutory_maternity_pay' => 'setStatutoryMaternityPay',
+        'statutory_paternity_pay' => 'setStatutoryPaternityPay',
+        'statutory_shared_parental_pay' => 'setStatutorySharedParentalPay',
+        'statutory_sick_pay' => 'setStatutorySickPay',
+        'prior_employee_number' => 'setPriorEmployeeNumber'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'statutory_adoption_pay' => 'getStatutoryAdoptionPay''statutory_maternity_pay' => 'getStatutoryMaternityPay''statutory_paternity_pay' => 'getStatutoryPaternityPay''statutory_shared_parental_pay' => 'getStatutorySharedParentalPay''statutory_sick_pay' => 'getStatutorySickPay''prior_employee_number' => 'getPriorEmployeeNumber'
+        'statutory_adoption_pay' => 'getStatutoryAdoptionPay',
+        'statutory_maternity_pay' => 'getStatutoryMaternityPay',
+        'statutory_paternity_pay' => 'getStatutoryPaternityPay',
+        'statutory_shared_parental_pay' => 'getStatutorySharedParentalPay',
+        'statutory_sick_pay' => 'getStatutorySickPay',
+        'prior_employee_number' => 'getPriorEmployeeNumber'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EmployeeOpeningBalancesObject.php b/lib/Models/PayrollUk/EmployeeOpeningBalancesObject.php
index c003d339..c8b37464 100644
--- a/lib/Models/PayrollUk/EmployeeOpeningBalancesObject.php
+++ b/lib/Models/PayrollUk/EmployeeOpeningBalancesObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeOpeningBalancesObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''opening_balances' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalances'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'opening_balances' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeOpeningBalances'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeOpeningBalancesObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'opening_balances' => null
+        'pagination' => null,
+        'problem' => null,
+        'opening_balances' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''opening_balances' => 'openingBalances'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'opening_balances' => 'openingBalances'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''opening_balances' => 'setOpeningBalances'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'opening_balances' => 'setOpeningBalances'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''opening_balances' => 'getOpeningBalances'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'opening_balances' => 'getOpeningBalances'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EmployeePayTemplate.php b/lib/Models/PayrollUk/EmployeePayTemplate.php
index 26681260..bfe8cf70 100644
--- a/lib/Models/PayrollUk/EmployeePayTemplate.php
+++ b/lib/Models/PayrollUk/EmployeePayTemplate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class EmployeePayTemplate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'employee_id' => 'string''earning_templates' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplate[]'
+        'employee_id' => 'string',
+        'earning_templates' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplate[]'
     ];
 
     /**
@@ -67,7 +68,8 @@ class EmployeePayTemplate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'employee_id' => 'uuid''earning_templates' => null
+        'employee_id' => 'uuid',
+        'earning_templates' => null
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'employee_id' => 'employeeID''earning_templates' => 'earningTemplates'
+        'employee_id' => 'employeeID',
+        'earning_templates' => 'earningTemplates'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'employee_id' => 'setEmployeeId''earning_templates' => 'setEarningTemplates'
+        'employee_id' => 'setEmployeeId',
+        'earning_templates' => 'setEarningTemplates'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'employee_id' => 'getEmployeeId''earning_templates' => 'getEarningTemplates'
+        'employee_id' => 'getEmployeeId',
+        'earning_templates' => 'getEarningTemplates'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EmployeePayTemplateObject.php b/lib/Models/PayrollUk/EmployeePayTemplateObject.php
index ca6af75d..f0d75df6 100644
--- a/lib/Models/PayrollUk/EmployeePayTemplateObject.php
+++ b/lib/Models/PayrollUk/EmployeePayTemplateObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeePayTemplateObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''pay_template' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeePayTemplate'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'pay_template' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeePayTemplate'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeePayTemplateObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'pay_template' => null
+        'pagination' => null,
+        'problem' => null,
+        'pay_template' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''pay_template' => 'payTemplate'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'pay_template' => 'payTemplate'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''pay_template' => 'setPayTemplate'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'pay_template' => 'setPayTemplate'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''pay_template' => 'getPayTemplate'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'pay_template' => 'getPayTemplate'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EmployeePayTemplates.php b/lib/Models/PayrollUk/EmployeePayTemplates.php
index c48738a2..9f37957d 100644
--- a/lib/Models/PayrollUk/EmployeePayTemplates.php
+++ b/lib/Models/PayrollUk/EmployeePayTemplates.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeePayTemplates implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''earning_templates' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplate[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'earning_templates' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsTemplate[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeePayTemplates implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'earning_templates' => null
+        'pagination' => null,
+        'problem' => null,
+        'earning_templates' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''earning_templates' => 'earningTemplates'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'earning_templates' => 'earningTemplates'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''earning_templates' => 'setEarningTemplates'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'earning_templates' => 'setEarningTemplates'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''earning_templates' => 'getEarningTemplates'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'earning_templates' => 'getEarningTemplates'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalance.php b/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalance.php
index b372f3ca..bcebf0ce 100644
--- a/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalance.php
+++ b/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalance.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeStatutoryLeaveBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_type' => 'string''balance_remaining' => 'double''units' => 'string'
+        'leave_type' => 'string',
+        'balance_remaining' => 'double',
+        'units' => 'string'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeStatutoryLeaveBalance implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_type' => null'balance_remaining' => 'double''units' => null
+        'leave_type' => null,
+        'balance_remaining' => 'double',
+        'units' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_type' => 'leaveType''balance_remaining' => 'balanceRemaining''units' => 'units'
+        'leave_type' => 'leaveType',
+        'balance_remaining' => 'balanceRemaining',
+        'units' => 'units'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_type' => 'setLeaveType''balance_remaining' => 'setBalanceRemaining''units' => 'setUnits'
+        'leave_type' => 'setLeaveType',
+        'balance_remaining' => 'setBalanceRemaining',
+        'units' => 'setUnits'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_type' => 'getLeaveType''balance_remaining' => 'getBalanceRemaining''units' => 'getUnits'
+        'leave_type' => 'getLeaveType',
+        'balance_remaining' => 'getBalanceRemaining',
+        'units' => 'getUnits'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalanceObject.php b/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalanceObject.php
index 5ca4059b..eaaa3ea8 100644
--- a/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalanceObject.php
+++ b/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalanceObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeStatutoryLeaveBalanceObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''leave_balance' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutoryLeaveBalance'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'leave_balance' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutoryLeaveBalance'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeStatutoryLeaveBalanceObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'leave_balance' => null
+        'pagination' => null,
+        'problem' => null,
+        'leave_balance' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''leave_balance' => 'leaveBalance'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'leave_balance' => 'leaveBalance'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''leave_balance' => 'setLeaveBalance'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'leave_balance' => 'setLeaveBalance'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''leave_balance' => 'getLeaveBalance'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'leave_balance' => 'getLeaveBalance'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EmployeeStatutoryLeaveSummary.php b/lib/Models/PayrollUk/EmployeeStatutoryLeaveSummary.php
index c0b131a2..fe9cc769 100644
--- a/lib/Models/PayrollUk/EmployeeStatutoryLeaveSummary.php
+++ b/lib/Models/PayrollUk/EmployeeStatutoryLeaveSummary.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,13 @@ class EmployeeStatutoryLeaveSummary implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'statutory_leave_id' => 'string''employee_id' => 'string''type' => 'string''start_date' => '\DateTime''end_date' => '\DateTime''is_entitled' => 'bool''status' => 'string'
+        'statutory_leave_id' => 'string',
+        'employee_id' => 'string',
+        'type' => 'string',
+        'start_date' => '\DateTime',
+        'end_date' => '\DateTime',
+        'is_entitled' => 'bool',
+        'status' => 'string'
     ];
 
     /**
@@ -67,7 +73,13 @@ class EmployeeStatutoryLeaveSummary implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'statutory_leave_id' => 'uuid''employee_id' => 'uuid''type' => null'start_date' => 'date''end_date' => 'date''is_entitled' => null'status' => null
+        'statutory_leave_id' => 'uuid',
+        'employee_id' => 'uuid',
+        'type' => null,
+        'start_date' => 'date',
+        'end_date' => 'date',
+        'is_entitled' => null,
+        'status' => null
     ];
 
     /**
@@ -97,7 +109,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'statutory_leave_id' => 'statutoryLeaveID''employee_id' => 'employeeID''type' => 'type''start_date' => 'startDate''end_date' => 'endDate''is_entitled' => 'isEntitled''status' => 'status'
+        'statutory_leave_id' => 'statutoryLeaveID',
+        'employee_id' => 'employeeID',
+        'type' => 'type',
+        'start_date' => 'startDate',
+        'end_date' => 'endDate',
+        'is_entitled' => 'isEntitled',
+        'status' => 'status'
     ];
 
     /**
@@ -106,7 +124,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'statutory_leave_id' => 'setStatutoryLeaveId''employee_id' => 'setEmployeeId''type' => 'setType''start_date' => 'setStartDate''end_date' => 'setEndDate''is_entitled' => 'setIsEntitled''status' => 'setStatus'
+        'statutory_leave_id' => 'setStatutoryLeaveId',
+        'employee_id' => 'setEmployeeId',
+        'type' => 'setType',
+        'start_date' => 'setStartDate',
+        'end_date' => 'setEndDate',
+        'is_entitled' => 'setIsEntitled',
+        'status' => 'setStatus'
     ];
 
     /**
@@ -115,7 +139,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'statutory_leave_id' => 'getStatutoryLeaveId''employee_id' => 'getEmployeeId''type' => 'getType''start_date' => 'getStartDate''end_date' => 'getEndDate''is_entitled' => 'getIsEntitled''status' => 'getStatus'
+        'statutory_leave_id' => 'getStatutoryLeaveId',
+        'employee_id' => 'getEmployeeId',
+        'type' => 'getType',
+        'start_date' => 'getStartDate',
+        'end_date' => 'getEndDate',
+        'is_entitled' => 'getIsEntitled',
+        'status' => 'getStatus'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EmployeeStatutoryLeavesSummaries.php b/lib/Models/PayrollUk/EmployeeStatutoryLeavesSummaries.php
index 80339659..4914efd3 100644
--- a/lib/Models/PayrollUk/EmployeeStatutoryLeavesSummaries.php
+++ b/lib/Models/PayrollUk/EmployeeStatutoryLeavesSummaries.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeStatutoryLeavesSummaries implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''statutory_leaves' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutoryLeaveSummary[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'statutory_leaves' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutoryLeaveSummary[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeStatutoryLeavesSummaries implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'statutory_leaves' => null
+        'pagination' => null,
+        'problem' => null,
+        'statutory_leaves' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''statutory_leaves' => 'statutoryLeaves'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'statutory_leaves' => 'statutoryLeaves'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''statutory_leaves' => 'setStatutoryLeaves'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'statutory_leaves' => 'setStatutoryLeaves'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''statutory_leaves' => 'getStatutoryLeaves'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'statutory_leaves' => 'getStatutoryLeaves'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EmployeeStatutorySickLeave.php b/lib/Models/PayrollUk/EmployeeStatutorySickLeave.php
index 0687de27..b5b5d016 100644
--- a/lib/Models/PayrollUk/EmployeeStatutorySickLeave.php
+++ b/lib/Models/PayrollUk/EmployeeStatutorySickLeave.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,22 @@ class EmployeeStatutorySickLeave implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'statutory_leave_id' => 'string''employee_id' => 'string''leave_type_id' => 'string''start_date' => '\DateTime''end_date' => '\DateTime''type' => 'string''status' => 'string''work_pattern' => 'string[]''is_pregnancy_related' => 'bool''sufficient_notice' => 'bool''is_entitled' => 'bool''entitlement_weeks_requested' => 'double''entitlement_weeks_qualified' => 'double''entitlement_weeks_remaining' => 'double''overlaps_with_other_leave' => 'bool''entitlement_failure_reasons' => 'string[]'
+        'statutory_leave_id' => 'string',
+        'employee_id' => 'string',
+        'leave_type_id' => 'string',
+        'start_date' => '\DateTime',
+        'end_date' => '\DateTime',
+        'type' => 'string',
+        'status' => 'string',
+        'work_pattern' => 'string[]',
+        'is_pregnancy_related' => 'bool',
+        'sufficient_notice' => 'bool',
+        'is_entitled' => 'bool',
+        'entitlement_weeks_requested' => 'double',
+        'entitlement_weeks_qualified' => 'double',
+        'entitlement_weeks_remaining' => 'double',
+        'overlaps_with_other_leave' => 'bool',
+        'entitlement_failure_reasons' => 'string[]'
     ];
 
     /**
@@ -67,7 +82,22 @@ class EmployeeStatutorySickLeave implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'statutory_leave_id' => 'uuid''employee_id' => 'uuid''leave_type_id' => 'uuid''start_date' => 'date''end_date' => 'date''type' => null'status' => null'work_pattern' => null'is_pregnancy_related' => null'sufficient_notice' => null'is_entitled' => null'entitlement_weeks_requested' => 'double''entitlement_weeks_qualified' => 'double''entitlement_weeks_remaining' => 'double''overlaps_with_other_leave' => null'entitlement_failure_reasons' => null
+        'statutory_leave_id' => 'uuid',
+        'employee_id' => 'uuid',
+        'leave_type_id' => 'uuid',
+        'start_date' => 'date',
+        'end_date' => 'date',
+        'type' => null,
+        'status' => null,
+        'work_pattern' => null,
+        'is_pregnancy_related' => null,
+        'sufficient_notice' => null,
+        'is_entitled' => null,
+        'entitlement_weeks_requested' => 'double',
+        'entitlement_weeks_qualified' => 'double',
+        'entitlement_weeks_remaining' => 'double',
+        'overlaps_with_other_leave' => null,
+        'entitlement_failure_reasons' => null
     ];
 
     /**
@@ -97,7 +127,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'statutory_leave_id' => 'statutoryLeaveID''employee_id' => 'employeeID''leave_type_id' => 'leaveTypeID''start_date' => 'startDate''end_date' => 'endDate''type' => 'type''status' => 'status''work_pattern' => 'workPattern''is_pregnancy_related' => 'isPregnancyRelated''sufficient_notice' => 'sufficientNotice''is_entitled' => 'isEntitled''entitlement_weeks_requested' => 'entitlementWeeksRequested''entitlement_weeks_qualified' => 'entitlementWeeksQualified''entitlement_weeks_remaining' => 'entitlementWeeksRemaining''overlaps_with_other_leave' => 'overlapsWithOtherLeave''entitlement_failure_reasons' => 'entitlementFailureReasons'
+        'statutory_leave_id' => 'statutoryLeaveID',
+        'employee_id' => 'employeeID',
+        'leave_type_id' => 'leaveTypeID',
+        'start_date' => 'startDate',
+        'end_date' => 'endDate',
+        'type' => 'type',
+        'status' => 'status',
+        'work_pattern' => 'workPattern',
+        'is_pregnancy_related' => 'isPregnancyRelated',
+        'sufficient_notice' => 'sufficientNotice',
+        'is_entitled' => 'isEntitled',
+        'entitlement_weeks_requested' => 'entitlementWeeksRequested',
+        'entitlement_weeks_qualified' => 'entitlementWeeksQualified',
+        'entitlement_weeks_remaining' => 'entitlementWeeksRemaining',
+        'overlaps_with_other_leave' => 'overlapsWithOtherLeave',
+        'entitlement_failure_reasons' => 'entitlementFailureReasons'
     ];
 
     /**
@@ -106,7 +151,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'statutory_leave_id' => 'setStatutoryLeaveId''employee_id' => 'setEmployeeId''leave_type_id' => 'setLeaveTypeId''start_date' => 'setStartDate''end_date' => 'setEndDate''type' => 'setType''status' => 'setStatus''work_pattern' => 'setWorkPattern''is_pregnancy_related' => 'setIsPregnancyRelated''sufficient_notice' => 'setSufficientNotice''is_entitled' => 'setIsEntitled''entitlement_weeks_requested' => 'setEntitlementWeeksRequested''entitlement_weeks_qualified' => 'setEntitlementWeeksQualified''entitlement_weeks_remaining' => 'setEntitlementWeeksRemaining''overlaps_with_other_leave' => 'setOverlapsWithOtherLeave''entitlement_failure_reasons' => 'setEntitlementFailureReasons'
+        'statutory_leave_id' => 'setStatutoryLeaveId',
+        'employee_id' => 'setEmployeeId',
+        'leave_type_id' => 'setLeaveTypeId',
+        'start_date' => 'setStartDate',
+        'end_date' => 'setEndDate',
+        'type' => 'setType',
+        'status' => 'setStatus',
+        'work_pattern' => 'setWorkPattern',
+        'is_pregnancy_related' => 'setIsPregnancyRelated',
+        'sufficient_notice' => 'setSufficientNotice',
+        'is_entitled' => 'setIsEntitled',
+        'entitlement_weeks_requested' => 'setEntitlementWeeksRequested',
+        'entitlement_weeks_qualified' => 'setEntitlementWeeksQualified',
+        'entitlement_weeks_remaining' => 'setEntitlementWeeksRemaining',
+        'overlaps_with_other_leave' => 'setOverlapsWithOtherLeave',
+        'entitlement_failure_reasons' => 'setEntitlementFailureReasons'
     ];
 
     /**
@@ -115,7 +175,22 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'statutory_leave_id' => 'getStatutoryLeaveId''employee_id' => 'getEmployeeId''leave_type_id' => 'getLeaveTypeId''start_date' => 'getStartDate''end_date' => 'getEndDate''type' => 'getType''status' => 'getStatus''work_pattern' => 'getWorkPattern''is_pregnancy_related' => 'getIsPregnancyRelated''sufficient_notice' => 'getSufficientNotice''is_entitled' => 'getIsEntitled''entitlement_weeks_requested' => 'getEntitlementWeeksRequested''entitlement_weeks_qualified' => 'getEntitlementWeeksQualified''entitlement_weeks_remaining' => 'getEntitlementWeeksRemaining''overlaps_with_other_leave' => 'getOverlapsWithOtherLeave''entitlement_failure_reasons' => 'getEntitlementFailureReasons'
+        'statutory_leave_id' => 'getStatutoryLeaveId',
+        'employee_id' => 'getEmployeeId',
+        'leave_type_id' => 'getLeaveTypeId',
+        'start_date' => 'getStartDate',
+        'end_date' => 'getEndDate',
+        'type' => 'getType',
+        'status' => 'getStatus',
+        'work_pattern' => 'getWorkPattern',
+        'is_pregnancy_related' => 'getIsPregnancyRelated',
+        'sufficient_notice' => 'getSufficientNotice',
+        'is_entitled' => 'getIsEntitled',
+        'entitlement_weeks_requested' => 'getEntitlementWeeksRequested',
+        'entitlement_weeks_qualified' => 'getEntitlementWeeksQualified',
+        'entitlement_weeks_remaining' => 'getEntitlementWeeksRemaining',
+        'overlaps_with_other_leave' => 'getOverlapsWithOtherLeave',
+        'entitlement_failure_reasons' => 'getEntitlementFailureReasons'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EmployeeStatutorySickLeaveObject.php b/lib/Models/PayrollUk/EmployeeStatutorySickLeaveObject.php
index 2943cfc6..24f131c0 100644
--- a/lib/Models/PayrollUk/EmployeeStatutorySickLeaveObject.php
+++ b/lib/Models/PayrollUk/EmployeeStatutorySickLeaveObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeStatutorySickLeaveObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''statutory_sick_leave' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutorySickLeave'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'statutory_sick_leave' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutorySickLeave'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeStatutorySickLeaveObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'statutory_sick_leave' => null
+        'pagination' => null,
+        'problem' => null,
+        'statutory_sick_leave' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''statutory_sick_leave' => 'statutorySickLeave'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'statutory_sick_leave' => 'statutorySickLeave'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''statutory_sick_leave' => 'setStatutorySickLeave'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'statutory_sick_leave' => 'setStatutorySickLeave'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''statutory_sick_leave' => 'getStatutorySickLeave'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'statutory_sick_leave' => 'getStatutorySickLeave'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EmployeeStatutorySickLeaves.php b/lib/Models/PayrollUk/EmployeeStatutorySickLeaves.php
index f8c16073..336a0f9b 100644
--- a/lib/Models/PayrollUk/EmployeeStatutorySickLeaves.php
+++ b/lib/Models/PayrollUk/EmployeeStatutorySickLeaves.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeStatutorySickLeaves implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''statutory_sick_leave' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutorySickLeave[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'statutory_sick_leave' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeStatutorySickLeave[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeStatutorySickLeaves implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'statutory_sick_leave' => null
+        'pagination' => null,
+        'problem' => null,
+        'statutory_sick_leave' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''statutory_sick_leave' => 'statutorySickLeave'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'statutory_sick_leave' => 'statutorySickLeave'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''statutory_sick_leave' => 'setStatutorySickLeave'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'statutory_sick_leave' => 'setStatutorySickLeave'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''statutory_sick_leave' => 'getStatutorySickLeave'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'statutory_sick_leave' => 'getStatutorySickLeave'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EmployeeTax.php b/lib/Models/PayrollUk/EmployeeTax.php
index 67cbf1bb..c940d945 100644
--- a/lib/Models/PayrollUk/EmployeeTax.php
+++ b/lib/Models/PayrollUk/EmployeeTax.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,17 @@ class EmployeeTax implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'starter_type' => 'string''starter_declaration' => 'string''tax_code' => 'string''w1_m1' => 'bool''previous_taxable_pay' => 'double''previous_tax_paid' => 'double''student_loan_deduction' => 'string''has_post_graduate_loans' => 'bool''is_director' => 'bool''directorship_start_date' => '\DateTime''nic_calculation_method' => 'string'
+        'starter_type' => 'string',
+        'starter_declaration' => 'string',
+        'tax_code' => 'string',
+        'w1_m1' => 'bool',
+        'previous_taxable_pay' => 'double',
+        'previous_tax_paid' => 'double',
+        'student_loan_deduction' => 'string',
+        'has_post_graduate_loans' => 'bool',
+        'is_director' => 'bool',
+        'directorship_start_date' => '\DateTime',
+        'nic_calculation_method' => 'string'
     ];
 
     /**
@@ -67,7 +77,17 @@ class EmployeeTax implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'starter_type' => null'starter_declaration' => null'tax_code' => null'w1_m1' => null'previous_taxable_pay' => 'double''previous_tax_paid' => 'double''student_loan_deduction' => null'has_post_graduate_loans' => null'is_director' => null'directorship_start_date' => 'date''nic_calculation_method' => null
+        'starter_type' => null,
+        'starter_declaration' => null,
+        'tax_code' => null,
+        'w1_m1' => null,
+        'previous_taxable_pay' => 'double',
+        'previous_tax_paid' => 'double',
+        'student_loan_deduction' => null,
+        'has_post_graduate_loans' => null,
+        'is_director' => null,
+        'directorship_start_date' => 'date',
+        'nic_calculation_method' => null
     ];
 
     /**
@@ -97,7 +117,17 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'starter_type' => 'starterType''starter_declaration' => 'starterDeclaration''tax_code' => 'taxCode''w1_m1' => 'w1M1''previous_taxable_pay' => 'previousTaxablePay''previous_tax_paid' => 'previousTaxPaid''student_loan_deduction' => 'studentLoanDeduction''has_post_graduate_loans' => 'hasPostGraduateLoans''is_director' => 'isDirector''directorship_start_date' => 'directorshipStartDate''nic_calculation_method' => 'nicCalculationMethod'
+        'starter_type' => 'starterType',
+        'starter_declaration' => 'starterDeclaration',
+        'tax_code' => 'taxCode',
+        'w1_m1' => 'w1M1',
+        'previous_taxable_pay' => 'previousTaxablePay',
+        'previous_tax_paid' => 'previousTaxPaid',
+        'student_loan_deduction' => 'studentLoanDeduction',
+        'has_post_graduate_loans' => 'hasPostGraduateLoans',
+        'is_director' => 'isDirector',
+        'directorship_start_date' => 'directorshipStartDate',
+        'nic_calculation_method' => 'nicCalculationMethod'
     ];
 
     /**
@@ -106,7 +136,17 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'starter_type' => 'setStarterType''starter_declaration' => 'setStarterDeclaration''tax_code' => 'setTaxCode''w1_m1' => 'setW1M1''previous_taxable_pay' => 'setPreviousTaxablePay''previous_tax_paid' => 'setPreviousTaxPaid''student_loan_deduction' => 'setStudentLoanDeduction''has_post_graduate_loans' => 'setHasPostGraduateLoans''is_director' => 'setIsDirector''directorship_start_date' => 'setDirectorshipStartDate''nic_calculation_method' => 'setNicCalculationMethod'
+        'starter_type' => 'setStarterType',
+        'starter_declaration' => 'setStarterDeclaration',
+        'tax_code' => 'setTaxCode',
+        'w1_m1' => 'setW1M1',
+        'previous_taxable_pay' => 'setPreviousTaxablePay',
+        'previous_tax_paid' => 'setPreviousTaxPaid',
+        'student_loan_deduction' => 'setStudentLoanDeduction',
+        'has_post_graduate_loans' => 'setHasPostGraduateLoans',
+        'is_director' => 'setIsDirector',
+        'directorship_start_date' => 'setDirectorshipStartDate',
+        'nic_calculation_method' => 'setNicCalculationMethod'
     ];
 
     /**
@@ -115,7 +155,17 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'starter_type' => 'getStarterType''starter_declaration' => 'getStarterDeclaration''tax_code' => 'getTaxCode''w1_m1' => 'getW1M1''previous_taxable_pay' => 'getPreviousTaxablePay''previous_tax_paid' => 'getPreviousTaxPaid''student_loan_deduction' => 'getStudentLoanDeduction''has_post_graduate_loans' => 'getHasPostGraduateLoans''is_director' => 'getIsDirector''directorship_start_date' => 'getDirectorshipStartDate''nic_calculation_method' => 'getNicCalculationMethod'
+        'starter_type' => 'getStarterType',
+        'starter_declaration' => 'getStarterDeclaration',
+        'tax_code' => 'getTaxCode',
+        'w1_m1' => 'getW1M1',
+        'previous_taxable_pay' => 'getPreviousTaxablePay',
+        'previous_tax_paid' => 'getPreviousTaxPaid',
+        'student_loan_deduction' => 'getStudentLoanDeduction',
+        'has_post_graduate_loans' => 'getHasPostGraduateLoans',
+        'is_director' => 'getIsDirector',
+        'directorship_start_date' => 'getDirectorshipStartDate',
+        'nic_calculation_method' => 'getNicCalculationMethod'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EmployeeTaxObject.php b/lib/Models/PayrollUk/EmployeeTaxObject.php
index c77075e8..9b465e45 100644
--- a/lib/Models/PayrollUk/EmployeeTaxObject.php
+++ b/lib/Models/PayrollUk/EmployeeTaxObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmployeeTaxObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''employee_tax' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeTax'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'employee_tax' => '\XeroAPI\XeroPHP\Models\PayrollUk\EmployeeTax'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmployeeTaxObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'employee_tax' => null
+        'pagination' => null,
+        'problem' => null,
+        'employee_tax' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''employee_tax' => 'employeeTax'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'employee_tax' => 'employeeTax'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''employee_tax' => 'setEmployeeTax'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'employee_tax' => 'setEmployeeTax'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''employee_tax' => 'getEmployeeTax'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'employee_tax' => 'getEmployeeTax'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/Employees.php b/lib/Models/PayrollUk/Employees.php
index cc0c708d..13e1e6d0 100644
--- a/lib/Models/PayrollUk/Employees.php
+++ b/lib/Models/PayrollUk/Employees.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class Employees implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''employees' => '\XeroAPI\XeroPHP\Models\PayrollUk\Employee[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'employees' => '\XeroAPI\XeroPHP\Models\PayrollUk\Employee[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class Employees implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'employees' => null
+        'pagination' => null,
+        'problem' => null,
+        'employees' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''employees' => 'employees'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'employees' => 'employees'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''employees' => 'setEmployees'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'employees' => 'setEmployees'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''employees' => 'getEmployees'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'employees' => 'getEmployees'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/Employment.php b/lib/Models/PayrollUk/Employment.php
index 059c05c5..4d445dd5 100644
--- a/lib/Models/PayrollUk/Employment.php
+++ b/lib/Models/PayrollUk/Employment.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class Employment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'payroll_calendar_id' => 'string''start_date' => '\DateTime''employee_number' => 'string''ni_category' => 'string'
+        'payroll_calendar_id' => 'string',
+        'start_date' => '\DateTime',
+        'employee_number' => 'string',
+        'ni_category' => 'string'
     ];
 
     /**
@@ -67,7 +70,10 @@ class Employment implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'payroll_calendar_id' => 'uuid''start_date' => 'date''employee_number' => null'ni_category' => null
+        'payroll_calendar_id' => 'uuid',
+        'start_date' => 'date',
+        'employee_number' => null,
+        'ni_category' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'payroll_calendar_id' => 'payrollCalendarID''start_date' => 'startDate''employee_number' => 'employeeNumber''ni_category' => 'niCategory'
+        'payroll_calendar_id' => 'payrollCalendarID',
+        'start_date' => 'startDate',
+        'employee_number' => 'employeeNumber',
+        'ni_category' => 'niCategory'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'payroll_calendar_id' => 'setPayrollCalendarId''start_date' => 'setStartDate''employee_number' => 'setEmployeeNumber''ni_category' => 'setNiCategory'
+        'payroll_calendar_id' => 'setPayrollCalendarId',
+        'start_date' => 'setStartDate',
+        'employee_number' => 'setEmployeeNumber',
+        'ni_category' => 'setNiCategory'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'payroll_calendar_id' => 'getPayrollCalendarId''start_date' => 'getStartDate''employee_number' => 'getEmployeeNumber''ni_category' => 'getNiCategory'
+        'payroll_calendar_id' => 'getPayrollCalendarId',
+        'start_date' => 'getStartDate',
+        'employee_number' => 'getEmployeeNumber',
+        'ni_category' => 'getNiCategory'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/EmploymentObject.php b/lib/Models/PayrollUk/EmploymentObject.php
index 417d8da6..7b0736d7 100644
--- a/lib/Models/PayrollUk/EmploymentObject.php
+++ b/lib/Models/PayrollUk/EmploymentObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class EmploymentObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''employment' => '\XeroAPI\XeroPHP\Models\PayrollUk\Employment'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'employment' => '\XeroAPI\XeroPHP\Models\PayrollUk\Employment'
     ];
 
     /**
@@ -67,7 +69,9 @@ class EmploymentObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'employment' => null
+        'pagination' => null,
+        'problem' => null,
+        'employment' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''employment' => 'employment'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'employment' => 'employment'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''employment' => 'setEmployment'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'employment' => 'setEmployment'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''employment' => 'getEmployment'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'employment' => 'getEmployment'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/InvalidField.php b/lib/Models/PayrollUk/InvalidField.php
index 56e728ed..dffa636a 100644
--- a/lib/Models/PayrollUk/InvalidField.php
+++ b/lib/Models/PayrollUk/InvalidField.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class InvalidField implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string''reason' => 'string'
+        'name' => 'string',
+        'reason' => 'string'
     ];
 
     /**
@@ -67,7 +68,8 @@ class InvalidField implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null'reason' => null
+        'name' => null,
+        'reason' => null
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'name''reason' => 'reason'
+        'name' => 'name',
+        'reason' => 'reason'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName''reason' => 'setReason'
+        'name' => 'setName',
+        'reason' => 'setReason'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName''reason' => 'getReason'
+        'name' => 'getName',
+        'reason' => 'getReason'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/LeaveAccrualLine.php b/lib/Models/PayrollUk/LeaveAccrualLine.php
index 23713c11..1b9c0580 100644
--- a/lib/Models/PayrollUk/LeaveAccrualLine.php
+++ b/lib/Models/PayrollUk/LeaveAccrualLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class LeaveAccrualLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_type_id' => 'string''number_of_units' => 'double'
+        'leave_type_id' => 'string',
+        'number_of_units' => 'double'
     ];
 
     /**
@@ -67,7 +68,8 @@ class LeaveAccrualLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_type_id' => 'uuid''number_of_units' => 'double'
+        'leave_type_id' => 'uuid',
+        'number_of_units' => 'double'
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_type_id' => 'leaveTypeID''number_of_units' => 'numberOfUnits'
+        'leave_type_id' => 'leaveTypeID',
+        'number_of_units' => 'numberOfUnits'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_type_id' => 'setLeaveTypeId''number_of_units' => 'setNumberOfUnits'
+        'leave_type_id' => 'setLeaveTypeId',
+        'number_of_units' => 'setNumberOfUnits'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_type_id' => 'getLeaveTypeId''number_of_units' => 'getNumberOfUnits'
+        'leave_type_id' => 'getLeaveTypeId',
+        'number_of_units' => 'getNumberOfUnits'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/LeaveEarningsLine.php b/lib/Models/PayrollUk/LeaveEarningsLine.php
index bbd175d4..5d39ca5d 100644
--- a/lib/Models/PayrollUk/LeaveEarningsLine.php
+++ b/lib/Models/PayrollUk/LeaveEarningsLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class LeaveEarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_rate_id' => 'string''rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''amount' => 'double''is_linked_to_timesheet' => 'bool'
+        'earnings_rate_id' => 'string',
+        'rate_per_unit' => 'double',
+        'number_of_units' => 'double',
+        'fixed_amount' => 'double',
+        'amount' => 'double',
+        'is_linked_to_timesheet' => 'bool'
     ];
 
     /**
@@ -67,7 +72,12 @@ class LeaveEarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_rate_id' => 'uuid''rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''amount' => 'double''is_linked_to_timesheet' => null
+        'earnings_rate_id' => 'uuid',
+        'rate_per_unit' => 'double',
+        'number_of_units' => 'double',
+        'fixed_amount' => 'double',
+        'amount' => 'double',
+        'is_linked_to_timesheet' => null
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_rate_id' => 'earningsRateID''rate_per_unit' => 'ratePerUnit''number_of_units' => 'numberOfUnits''fixed_amount' => 'fixedAmount''amount' => 'amount''is_linked_to_timesheet' => 'isLinkedToTimesheet'
+        'earnings_rate_id' => 'earningsRateID',
+        'rate_per_unit' => 'ratePerUnit',
+        'number_of_units' => 'numberOfUnits',
+        'fixed_amount' => 'fixedAmount',
+        'amount' => 'amount',
+        'is_linked_to_timesheet' => 'isLinkedToTimesheet'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_rate_id' => 'setEarningsRateId''rate_per_unit' => 'setRatePerUnit''number_of_units' => 'setNumberOfUnits''fixed_amount' => 'setFixedAmount''amount' => 'setAmount''is_linked_to_timesheet' => 'setIsLinkedToTimesheet'
+        'earnings_rate_id' => 'setEarningsRateId',
+        'rate_per_unit' => 'setRatePerUnit',
+        'number_of_units' => 'setNumberOfUnits',
+        'fixed_amount' => 'setFixedAmount',
+        'amount' => 'setAmount',
+        'is_linked_to_timesheet' => 'setIsLinkedToTimesheet'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_rate_id' => 'getEarningsRateId''rate_per_unit' => 'getRatePerUnit''number_of_units' => 'getNumberOfUnits''fixed_amount' => 'getFixedAmount''amount' => 'getAmount''is_linked_to_timesheet' => 'getIsLinkedToTimesheet'
+        'earnings_rate_id' => 'getEarningsRateId',
+        'rate_per_unit' => 'getRatePerUnit',
+        'number_of_units' => 'getNumberOfUnits',
+        'fixed_amount' => 'getFixedAmount',
+        'amount' => 'getAmount',
+        'is_linked_to_timesheet' => 'getIsLinkedToTimesheet'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/LeavePeriod.php b/lib/Models/PayrollUk/LeavePeriod.php
index daba5685..f15d8f3a 100644
--- a/lib/Models/PayrollUk/LeavePeriod.php
+++ b/lib/Models/PayrollUk/LeavePeriod.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class LeavePeriod implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'period_start_date' => '\DateTime''period_end_date' => '\DateTime''number_of_units' => 'double''period_status' => 'string'
+        'period_start_date' => '\DateTime',
+        'period_end_date' => '\DateTime',
+        'number_of_units' => 'double',
+        'period_status' => 'string'
     ];
 
     /**
@@ -67,7 +70,10 @@ class LeavePeriod implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'period_start_date' => 'date''period_end_date' => 'date''number_of_units' => 'double''period_status' => null
+        'period_start_date' => 'date',
+        'period_end_date' => 'date',
+        'number_of_units' => 'double',
+        'period_status' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'period_start_date' => 'periodStartDate''period_end_date' => 'periodEndDate''number_of_units' => 'numberOfUnits''period_status' => 'periodStatus'
+        'period_start_date' => 'periodStartDate',
+        'period_end_date' => 'periodEndDate',
+        'number_of_units' => 'numberOfUnits',
+        'period_status' => 'periodStatus'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'period_start_date' => 'setPeriodStartDate''period_end_date' => 'setPeriodEndDate''number_of_units' => 'setNumberOfUnits''period_status' => 'setPeriodStatus'
+        'period_start_date' => 'setPeriodStartDate',
+        'period_end_date' => 'setPeriodEndDate',
+        'number_of_units' => 'setNumberOfUnits',
+        'period_status' => 'setPeriodStatus'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'period_start_date' => 'getPeriodStartDate''period_end_date' => 'getPeriodEndDate''number_of_units' => 'getNumberOfUnits''period_status' => 'getPeriodStatus'
+        'period_start_date' => 'getPeriodStartDate',
+        'period_end_date' => 'getPeriodEndDate',
+        'number_of_units' => 'getNumberOfUnits',
+        'period_status' => 'getPeriodStatus'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/LeavePeriods.php b/lib/Models/PayrollUk/LeavePeriods.php
index b3f080db..13b1b343 100644
--- a/lib/Models/PayrollUk/LeavePeriods.php
+++ b/lib/Models/PayrollUk/LeavePeriods.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class LeavePeriods implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''periods' => '\XeroAPI\XeroPHP\Models\PayrollUk\LeavePeriod[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'periods' => '\XeroAPI\XeroPHP\Models\PayrollUk\LeavePeriod[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class LeavePeriods implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'periods' => null
+        'pagination' => null,
+        'problem' => null,
+        'periods' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''periods' => 'periods'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'periods' => 'periods'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''periods' => 'setPeriods'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'periods' => 'setPeriods'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''periods' => 'getPeriods'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'periods' => 'getPeriods'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/LeaveType.php b/lib/Models/PayrollUk/LeaveType.php
index 21161656..29290fd5 100644
--- a/lib/Models/PayrollUk/LeaveType.php
+++ b/lib/Models/PayrollUk/LeaveType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,14 @@ class LeaveType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'leave_id' => 'string''leave_type_id' => 'string''name' => 'string''is_paid_leave' => 'bool''show_on_payslip' => 'bool''updated_date_utc' => '\DateTime''is_active' => 'bool''is_statutory_leave' => 'bool'
+        'leave_id' => 'string',
+        'leave_type_id' => 'string',
+        'name' => 'string',
+        'is_paid_leave' => 'bool',
+        'show_on_payslip' => 'bool',
+        'updated_date_utc' => '\DateTime',
+        'is_active' => 'bool',
+        'is_statutory_leave' => 'bool'
     ];
 
     /**
@@ -67,7 +74,14 @@ class LeaveType implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'leave_id' => 'uuid''leave_type_id' => 'uuid''name' => null'is_paid_leave' => null'show_on_payslip' => null'updated_date_utc' => 'date-time''is_active' => null'is_statutory_leave' => null
+        'leave_id' => 'uuid',
+        'leave_type_id' => 'uuid',
+        'name' => null,
+        'is_paid_leave' => null,
+        'show_on_payslip' => null,
+        'updated_date_utc' => 'date-time',
+        'is_active' => null,
+        'is_statutory_leave' => null
     ];
 
     /**
@@ -97,7 +111,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'leave_id' => 'leaveID''leave_type_id' => 'leaveTypeID''name' => 'name''is_paid_leave' => 'isPaidLeave''show_on_payslip' => 'showOnPayslip''updated_date_utc' => 'updatedDateUTC''is_active' => 'isActive''is_statutory_leave' => 'isStatutoryLeave'
+        'leave_id' => 'leaveID',
+        'leave_type_id' => 'leaveTypeID',
+        'name' => 'name',
+        'is_paid_leave' => 'isPaidLeave',
+        'show_on_payslip' => 'showOnPayslip',
+        'updated_date_utc' => 'updatedDateUTC',
+        'is_active' => 'isActive',
+        'is_statutory_leave' => 'isStatutoryLeave'
     ];
 
     /**
@@ -106,7 +127,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'leave_id' => 'setLeaveId''leave_type_id' => 'setLeaveTypeId''name' => 'setName''is_paid_leave' => 'setIsPaidLeave''show_on_payslip' => 'setShowOnPayslip''updated_date_utc' => 'setUpdatedDateUtc''is_active' => 'setIsActive''is_statutory_leave' => 'setIsStatutoryLeave'
+        'leave_id' => 'setLeaveId',
+        'leave_type_id' => 'setLeaveTypeId',
+        'name' => 'setName',
+        'is_paid_leave' => 'setIsPaidLeave',
+        'show_on_payslip' => 'setShowOnPayslip',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'is_active' => 'setIsActive',
+        'is_statutory_leave' => 'setIsStatutoryLeave'
     ];
 
     /**
@@ -115,7 +143,14 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'leave_id' => 'getLeaveId''leave_type_id' => 'getLeaveTypeId''name' => 'getName''is_paid_leave' => 'getIsPaidLeave''show_on_payslip' => 'getShowOnPayslip''updated_date_utc' => 'getUpdatedDateUtc''is_active' => 'getIsActive''is_statutory_leave' => 'getIsStatutoryLeave'
+        'leave_id' => 'getLeaveId',
+        'leave_type_id' => 'getLeaveTypeId',
+        'name' => 'getName',
+        'is_paid_leave' => 'getIsPaidLeave',
+        'show_on_payslip' => 'getShowOnPayslip',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'is_active' => 'getIsActive',
+        'is_statutory_leave' => 'getIsStatutoryLeave'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/LeaveTypeObject.php b/lib/Models/PayrollUk/LeaveTypeObject.php
index b9292cce..aee52fb0 100644
--- a/lib/Models/PayrollUk/LeaveTypeObject.php
+++ b/lib/Models/PayrollUk/LeaveTypeObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class LeaveTypeObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''leave_type' => '\XeroAPI\XeroPHP\Models\PayrollUk\LeaveType'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'leave_type' => '\XeroAPI\XeroPHP\Models\PayrollUk\LeaveType'
     ];
 
     /**
@@ -67,7 +69,9 @@ class LeaveTypeObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'leave_type' => null
+        'pagination' => null,
+        'problem' => null,
+        'leave_type' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''leave_type' => 'leaveType'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'leave_type' => 'leaveType'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''leave_type' => 'setLeaveType'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'leave_type' => 'setLeaveType'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''leave_type' => 'getLeaveType'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'leave_type' => 'getLeaveType'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/LeaveTypes.php b/lib/Models/PayrollUk/LeaveTypes.php
index ecdf6041..ce2691da 100644
--- a/lib/Models/PayrollUk/LeaveTypes.php
+++ b/lib/Models/PayrollUk/LeaveTypes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class LeaveTypes implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''leave_types' => '\XeroAPI\XeroPHP\Models\PayrollUk\LeaveType[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'leave_types' => '\XeroAPI\XeroPHP\Models\PayrollUk\LeaveType[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class LeaveTypes implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'leave_types' => null
+        'pagination' => null,
+        'problem' => null,
+        'leave_types' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''leave_types' => 'leaveTypes'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'leave_types' => 'leaveTypes'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''leave_types' => 'setLeaveTypes'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'leave_types' => 'setLeaveTypes'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''leave_types' => 'getLeaveTypes'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'leave_types' => 'getLeaveTypes'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/ModelInterface.php b/lib/Models/PayrollUk/ModelInterface.php
index 7bff152a..3b3ff4f0 100644
--- a/lib/Models/PayrollUk/ModelInterface.php
+++ b/lib/Models/PayrollUk/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollUk/Pagination.php b/lib/Models/PayrollUk/Pagination.php
index 1b307725..f0291472 100644
--- a/lib/Models/PayrollUk/Pagination.php
+++ b/lib/Models/PayrollUk/Pagination.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class Pagination implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'page' => 'int''page_size' => 'int''page_count' => 'int''item_count' => 'int'
+        'page' => 'int',
+        'page_size' => 'int',
+        'page_count' => 'int',
+        'item_count' => 'int'
     ];
 
     /**
@@ -67,7 +70,10 @@ class Pagination implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'page' => null'page_size' => null'page_count' => null'item_count' => null
+        'page' => null,
+        'page_size' => null,
+        'page_count' => null,
+        'item_count' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'page' => 'page''page_size' => 'pageSize''page_count' => 'pageCount''item_count' => 'itemCount'
+        'page' => 'page',
+        'page_size' => 'pageSize',
+        'page_count' => 'pageCount',
+        'item_count' => 'itemCount'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'page' => 'setPage''page_size' => 'setPageSize''page_count' => 'setPageCount''item_count' => 'setItemCount'
+        'page' => 'setPage',
+        'page_size' => 'setPageSize',
+        'page_count' => 'setPageCount',
+        'item_count' => 'setItemCount'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'page' => 'getPage''page_size' => 'getPageSize''page_count' => 'getPageCount''item_count' => 'getItemCount'
+        'page' => 'getPage',
+        'page_size' => 'getPageSize',
+        'page_count' => 'getPageCount',
+        'item_count' => 'getItemCount'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/PayRun.php b/lib/Models/PayrollUk/PayRun.php
index e99a1d0e..d293c6b2 100644
--- a/lib/Models/PayrollUk/PayRun.php
+++ b/lib/Models/PayrollUk/PayRun.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,18 @@ class PayRun implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pay_run_id' => 'string''payroll_calendar_id' => 'string''period_start_date' => '\DateTime''period_end_date' => '\DateTime''payment_date' => '\DateTime''total_cost' => 'double''total_pay' => 'double''pay_run_status' => 'string''pay_run_type' => 'string''calendar_type' => 'string''posted_date_time' => '\DateTime''pay_slips' => '\XeroAPI\XeroPHP\Models\PayrollUk\Payslip[]'
+        'pay_run_id' => 'string',
+        'payroll_calendar_id' => 'string',
+        'period_start_date' => '\DateTime',
+        'period_end_date' => '\DateTime',
+        'payment_date' => '\DateTime',
+        'total_cost' => 'double',
+        'total_pay' => 'double',
+        'pay_run_status' => 'string',
+        'pay_run_type' => 'string',
+        'calendar_type' => 'string',
+        'posted_date_time' => '\DateTime',
+        'pay_slips' => '\XeroAPI\XeroPHP\Models\PayrollUk\Payslip[]'
     ];
 
     /**
@@ -67,7 +78,18 @@ class PayRun implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pay_run_id' => 'uuid''payroll_calendar_id' => 'uuid''period_start_date' => 'date''period_end_date' => 'date''payment_date' => 'date''total_cost' => 'double''total_pay' => 'double''pay_run_status' => null'pay_run_type' => null'calendar_type' => null'posted_date_time' => 'date''pay_slips' => null
+        'pay_run_id' => 'uuid',
+        'payroll_calendar_id' => 'uuid',
+        'period_start_date' => 'date',
+        'period_end_date' => 'date',
+        'payment_date' => 'date',
+        'total_cost' => 'double',
+        'total_pay' => 'double',
+        'pay_run_status' => null,
+        'pay_run_type' => null,
+        'calendar_type' => null,
+        'posted_date_time' => 'date',
+        'pay_slips' => null
     ];
 
     /**
@@ -97,7 +119,18 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pay_run_id' => 'payRunID''payroll_calendar_id' => 'payrollCalendarID''period_start_date' => 'periodStartDate''period_end_date' => 'periodEndDate''payment_date' => 'paymentDate''total_cost' => 'totalCost''total_pay' => 'totalPay''pay_run_status' => 'payRunStatus''pay_run_type' => 'payRunType''calendar_type' => 'calendarType''posted_date_time' => 'postedDateTime''pay_slips' => 'paySlips'
+        'pay_run_id' => 'payRunID',
+        'payroll_calendar_id' => 'payrollCalendarID',
+        'period_start_date' => 'periodStartDate',
+        'period_end_date' => 'periodEndDate',
+        'payment_date' => 'paymentDate',
+        'total_cost' => 'totalCost',
+        'total_pay' => 'totalPay',
+        'pay_run_status' => 'payRunStatus',
+        'pay_run_type' => 'payRunType',
+        'calendar_type' => 'calendarType',
+        'posted_date_time' => 'postedDateTime',
+        'pay_slips' => 'paySlips'
     ];
 
     /**
@@ -106,7 +139,18 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pay_run_id' => 'setPayRunId''payroll_calendar_id' => 'setPayrollCalendarId''period_start_date' => 'setPeriodStartDate''period_end_date' => 'setPeriodEndDate''payment_date' => 'setPaymentDate''total_cost' => 'setTotalCost''total_pay' => 'setTotalPay''pay_run_status' => 'setPayRunStatus''pay_run_type' => 'setPayRunType''calendar_type' => 'setCalendarType''posted_date_time' => 'setPostedDateTime''pay_slips' => 'setPaySlips'
+        'pay_run_id' => 'setPayRunId',
+        'payroll_calendar_id' => 'setPayrollCalendarId',
+        'period_start_date' => 'setPeriodStartDate',
+        'period_end_date' => 'setPeriodEndDate',
+        'payment_date' => 'setPaymentDate',
+        'total_cost' => 'setTotalCost',
+        'total_pay' => 'setTotalPay',
+        'pay_run_status' => 'setPayRunStatus',
+        'pay_run_type' => 'setPayRunType',
+        'calendar_type' => 'setCalendarType',
+        'posted_date_time' => 'setPostedDateTime',
+        'pay_slips' => 'setPaySlips'
     ];
 
     /**
@@ -115,7 +159,18 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pay_run_id' => 'getPayRunId''payroll_calendar_id' => 'getPayrollCalendarId''period_start_date' => 'getPeriodStartDate''period_end_date' => 'getPeriodEndDate''payment_date' => 'getPaymentDate''total_cost' => 'getTotalCost''total_pay' => 'getTotalPay''pay_run_status' => 'getPayRunStatus''pay_run_type' => 'getPayRunType''calendar_type' => 'getCalendarType''posted_date_time' => 'getPostedDateTime''pay_slips' => 'getPaySlips'
+        'pay_run_id' => 'getPayRunId',
+        'payroll_calendar_id' => 'getPayrollCalendarId',
+        'period_start_date' => 'getPeriodStartDate',
+        'period_end_date' => 'getPeriodEndDate',
+        'payment_date' => 'getPaymentDate',
+        'total_cost' => 'getTotalCost',
+        'total_pay' => 'getTotalPay',
+        'pay_run_status' => 'getPayRunStatus',
+        'pay_run_type' => 'getPayRunType',
+        'calendar_type' => 'getCalendarType',
+        'posted_date_time' => 'getPostedDateTime',
+        'pay_slips' => 'getPaySlips'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/PayRunCalendar.php b/lib/Models/PayrollUk/PayRunCalendar.php
index 2fa1513f..4581146a 100644
--- a/lib/Models/PayrollUk/PayRunCalendar.php
+++ b/lib/Models/PayrollUk/PayRunCalendar.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,13 @@ class PayRunCalendar implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'payroll_calendar_id' => 'string''name' => 'string''calendar_type' => 'string''period_start_date' => '\DateTime''period_end_date' => '\DateTime''payment_date' => '\DateTime''updated_date_utc' => '\DateTime'
+        'payroll_calendar_id' => 'string',
+        'name' => 'string',
+        'calendar_type' => 'string',
+        'period_start_date' => '\DateTime',
+        'period_end_date' => '\DateTime',
+        'payment_date' => '\DateTime',
+        'updated_date_utc' => '\DateTime'
     ];
 
     /**
@@ -67,7 +73,13 @@ class PayRunCalendar implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'payroll_calendar_id' => 'uuid''name' => null'calendar_type' => null'period_start_date' => 'date''period_end_date' => 'date''payment_date' => 'date''updated_date_utc' => 'date-time'
+        'payroll_calendar_id' => 'uuid',
+        'name' => null,
+        'calendar_type' => null,
+        'period_start_date' => 'date',
+        'period_end_date' => 'date',
+        'payment_date' => 'date',
+        'updated_date_utc' => 'date-time'
     ];
 
     /**
@@ -97,7 +109,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'payroll_calendar_id' => 'payrollCalendarID''name' => 'name''calendar_type' => 'calendarType''period_start_date' => 'periodStartDate''period_end_date' => 'periodEndDate''payment_date' => 'paymentDate''updated_date_utc' => 'updatedDateUTC'
+        'payroll_calendar_id' => 'payrollCalendarID',
+        'name' => 'name',
+        'calendar_type' => 'calendarType',
+        'period_start_date' => 'periodStartDate',
+        'period_end_date' => 'periodEndDate',
+        'payment_date' => 'paymentDate',
+        'updated_date_utc' => 'updatedDateUTC'
     ];
 
     /**
@@ -106,7 +124,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'payroll_calendar_id' => 'setPayrollCalendarId''name' => 'setName''calendar_type' => 'setCalendarType''period_start_date' => 'setPeriodStartDate''period_end_date' => 'setPeriodEndDate''payment_date' => 'setPaymentDate''updated_date_utc' => 'setUpdatedDateUtc'
+        'payroll_calendar_id' => 'setPayrollCalendarId',
+        'name' => 'setName',
+        'calendar_type' => 'setCalendarType',
+        'period_start_date' => 'setPeriodStartDate',
+        'period_end_date' => 'setPeriodEndDate',
+        'payment_date' => 'setPaymentDate',
+        'updated_date_utc' => 'setUpdatedDateUtc'
     ];
 
     /**
@@ -115,7 +139,13 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'payroll_calendar_id' => 'getPayrollCalendarId''name' => 'getName''calendar_type' => 'getCalendarType''period_start_date' => 'getPeriodStartDate''period_end_date' => 'getPeriodEndDate''payment_date' => 'getPaymentDate''updated_date_utc' => 'getUpdatedDateUtc'
+        'payroll_calendar_id' => 'getPayrollCalendarId',
+        'name' => 'getName',
+        'calendar_type' => 'getCalendarType',
+        'period_start_date' => 'getPeriodStartDate',
+        'period_end_date' => 'getPeriodEndDate',
+        'payment_date' => 'getPaymentDate',
+        'updated_date_utc' => 'getUpdatedDateUtc'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/PayRunCalendarObject.php b/lib/Models/PayrollUk/PayRunCalendarObject.php
index 8a6fd1eb..90009e2c 100644
--- a/lib/Models/PayrollUk/PayRunCalendarObject.php
+++ b/lib/Models/PayrollUk/PayRunCalendarObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class PayRunCalendarObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''pay_run_calendar' => '\XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendar'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'pay_run_calendar' => '\XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendar'
     ];
 
     /**
@@ -67,7 +69,9 @@ class PayRunCalendarObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'pay_run_calendar' => null
+        'pagination' => null,
+        'problem' => null,
+        'pay_run_calendar' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''pay_run_calendar' => 'payRunCalendar'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'pay_run_calendar' => 'payRunCalendar'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''pay_run_calendar' => 'setPayRunCalendar'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'pay_run_calendar' => 'setPayRunCalendar'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''pay_run_calendar' => 'getPayRunCalendar'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'pay_run_calendar' => 'getPayRunCalendar'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/PayRunCalendars.php b/lib/Models/PayrollUk/PayRunCalendars.php
index 795db131..0b18683f 100644
--- a/lib/Models/PayrollUk/PayRunCalendars.php
+++ b/lib/Models/PayrollUk/PayRunCalendars.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class PayRunCalendars implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''pay_run_calendars' => '\XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendar[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'pay_run_calendars' => '\XeroAPI\XeroPHP\Models\PayrollUk\PayRunCalendar[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class PayRunCalendars implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'pay_run_calendars' => null
+        'pagination' => null,
+        'problem' => null,
+        'pay_run_calendars' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''pay_run_calendars' => 'payRunCalendars'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'pay_run_calendars' => 'payRunCalendars'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''pay_run_calendars' => 'setPayRunCalendars'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'pay_run_calendars' => 'setPayRunCalendars'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''pay_run_calendars' => 'getPayRunCalendars'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'pay_run_calendars' => 'getPayRunCalendars'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/PayRunObject.php b/lib/Models/PayrollUk/PayRunObject.php
index cb07bee9..74105eac 100644
--- a/lib/Models/PayrollUk/PayRunObject.php
+++ b/lib/Models/PayrollUk/PayRunObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class PayRunObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''pay_run' => '\XeroAPI\XeroPHP\Models\PayrollUk\PayRun'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'pay_run' => '\XeroAPI\XeroPHP\Models\PayrollUk\PayRun'
     ];
 
     /**
@@ -67,7 +69,9 @@ class PayRunObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'pay_run' => null
+        'pagination' => null,
+        'problem' => null,
+        'pay_run' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''pay_run' => 'payRun'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'pay_run' => 'payRun'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''pay_run' => 'setPayRun'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'pay_run' => 'setPayRun'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''pay_run' => 'getPayRun'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'pay_run' => 'getPayRun'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/PayRuns.php b/lib/Models/PayrollUk/PayRuns.php
index 1fb17403..c349aa28 100644
--- a/lib/Models/PayrollUk/PayRuns.php
+++ b/lib/Models/PayrollUk/PayRuns.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class PayRuns implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''pay_runs' => '\XeroAPI\XeroPHP\Models\PayrollUk\PayRun[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'pay_runs' => '\XeroAPI\XeroPHP\Models\PayrollUk\PayRun[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class PayRuns implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'pay_runs' => null
+        'pagination' => null,
+        'problem' => null,
+        'pay_runs' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''pay_runs' => 'payRuns'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'pay_runs' => 'payRuns'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''pay_runs' => 'setPayRuns'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'pay_runs' => 'setPayRuns'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''pay_runs' => 'getPayRuns'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'pay_runs' => 'getPayRuns'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/PaymentLine.php b/lib/Models/PayrollUk/PaymentLine.php
index 72878c51..04d762f0 100644
--- a/lib/Models/PayrollUk/PaymentLine.php
+++ b/lib/Models/PayrollUk/PaymentLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class PaymentLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'payment_line_id' => 'string''amount' => 'double''account_number' => 'string''sort_code' => 'string''account_name' => 'string'
+        'payment_line_id' => 'string',
+        'amount' => 'double',
+        'account_number' => 'string',
+        'sort_code' => 'string',
+        'account_name' => 'string'
     ];
 
     /**
@@ -67,7 +71,11 @@ class PaymentLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'payment_line_id' => 'uuid''amount' => 'double''account_number' => null'sort_code' => null'account_name' => null
+        'payment_line_id' => 'uuid',
+        'amount' => 'double',
+        'account_number' => null,
+        'sort_code' => null,
+        'account_name' => null
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'payment_line_id' => 'paymentLineID''amount' => 'amount''account_number' => 'accountNumber''sort_code' => 'sortCode''account_name' => 'accountName'
+        'payment_line_id' => 'paymentLineID',
+        'amount' => 'amount',
+        'account_number' => 'accountNumber',
+        'sort_code' => 'sortCode',
+        'account_name' => 'accountName'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'payment_line_id' => 'setPaymentLineId''amount' => 'setAmount''account_number' => 'setAccountNumber''sort_code' => 'setSortCode''account_name' => 'setAccountName'
+        'payment_line_id' => 'setPaymentLineId',
+        'amount' => 'setAmount',
+        'account_number' => 'setAccountNumber',
+        'sort_code' => 'setSortCode',
+        'account_name' => 'setAccountName'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'payment_line_id' => 'getPaymentLineId''amount' => 'getAmount''account_number' => 'getAccountNumber''sort_code' => 'getSortCode''account_name' => 'getAccountName'
+        'payment_line_id' => 'getPaymentLineId',
+        'amount' => 'getAmount',
+        'account_number' => 'getAccountNumber',
+        'sort_code' => 'getSortCode',
+        'account_name' => 'getAccountName'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/PaymentMethod.php b/lib/Models/PayrollUk/PaymentMethod.php
index 1ff89731..66902370 100644
--- a/lib/Models/PayrollUk/PaymentMethod.php
+++ b/lib/Models/PayrollUk/PaymentMethod.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class PaymentMethod implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'payment_method' => 'string''bank_accounts' => '\XeroAPI\XeroPHP\Models\PayrollUk\BankAccount[]'
+        'payment_method' => 'string',
+        'bank_accounts' => '\XeroAPI\XeroPHP\Models\PayrollUk\BankAccount[]'
     ];
 
     /**
@@ -67,7 +68,8 @@ class PaymentMethod implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'payment_method' => null'bank_accounts' => null
+        'payment_method' => null,
+        'bank_accounts' => null
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'payment_method' => 'paymentMethod''bank_accounts' => 'bankAccounts'
+        'payment_method' => 'paymentMethod',
+        'bank_accounts' => 'bankAccounts'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'payment_method' => 'setPaymentMethod''bank_accounts' => 'setBankAccounts'
+        'payment_method' => 'setPaymentMethod',
+        'bank_accounts' => 'setBankAccounts'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'payment_method' => 'getPaymentMethod''bank_accounts' => 'getBankAccounts'
+        'payment_method' => 'getPaymentMethod',
+        'bank_accounts' => 'getBankAccounts'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/PaymentMethodObject.php b/lib/Models/PayrollUk/PaymentMethodObject.php
index db34c94a..ccfc9b4c 100644
--- a/lib/Models/PayrollUk/PaymentMethodObject.php
+++ b/lib/Models/PayrollUk/PaymentMethodObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class PaymentMethodObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''payment_method' => '\XeroAPI\XeroPHP\Models\PayrollUk\PaymentMethod'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'payment_method' => '\XeroAPI\XeroPHP\Models\PayrollUk\PaymentMethod'
     ];
 
     /**
@@ -67,7 +69,9 @@ class PaymentMethodObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'payment_method' => null
+        'pagination' => null,
+        'problem' => null,
+        'payment_method' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''payment_method' => 'paymentMethod'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'payment_method' => 'paymentMethod'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''payment_method' => 'setPaymentMethod'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'payment_method' => 'setPaymentMethod'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''payment_method' => 'getPaymentMethod'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'payment_method' => 'getPaymentMethod'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/Payslip.php b/lib/Models/PayrollUk/Payslip.php
index 41aeb02d..2cd4e42e 100644
--- a/lib/Models/PayrollUk/Payslip.php
+++ b/lib/Models/PayrollUk/Payslip.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,34 @@ class Payslip implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pay_slip_id' => 'string''employee_id' => 'string''pay_run_id' => 'string''last_edited' => '\DateTime''first_name' => 'string''last_name' => 'string''total_earnings' => 'double''gross_earnings' => 'double''total_pay' => 'double''total_employer_taxes' => 'double''total_employee_taxes' => 'double''total_deductions' => 'double''total_reimbursements' => 'double''total_court_orders' => 'double''total_benefits' => 'double''bacs_hash' => 'string''payment_method' => 'string''earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsLine[]''leave_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\LeaveEarningsLine[]''timesheet_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetEarningsLine[]''deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\DeductionLine[]''reimbursement_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\ReimbursementLine[]''leave_accrual_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\LeaveAccrualLine[]''benefit_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\BenefitLine[]''payment_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\PaymentLine[]''employee_tax_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\TaxLine[]''employer_tax_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\TaxLine[]''court_order_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\CourtOrderLine[]'
+        'pay_slip_id' => 'string',
+        'employee_id' => 'string',
+        'pay_run_id' => 'string',
+        'last_edited' => '\DateTime',
+        'first_name' => 'string',
+        'last_name' => 'string',
+        'total_earnings' => 'double',
+        'gross_earnings' => 'double',
+        'total_pay' => 'double',
+        'total_employer_taxes' => 'double',
+        'total_employee_taxes' => 'double',
+        'total_deductions' => 'double',
+        'total_reimbursements' => 'double',
+        'total_court_orders' => 'double',
+        'total_benefits' => 'double',
+        'bacs_hash' => 'string',
+        'payment_method' => 'string',
+        'earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\EarningsLine[]',
+        'leave_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\LeaveEarningsLine[]',
+        'timesheet_earnings_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetEarningsLine[]',
+        'deduction_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\DeductionLine[]',
+        'reimbursement_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\ReimbursementLine[]',
+        'leave_accrual_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\LeaveAccrualLine[]',
+        'benefit_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\BenefitLine[]',
+        'payment_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\PaymentLine[]',
+        'employee_tax_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\TaxLine[]',
+        'employer_tax_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\TaxLine[]',
+        'court_order_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\CourtOrderLine[]'
     ];
 
     /**
@@ -67,7 +94,34 @@ class Payslip implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pay_slip_id' => 'uuid''employee_id' => 'uuid''pay_run_id' => 'uuid''last_edited' => 'date''first_name' => null'last_name' => null'total_earnings' => 'double''gross_earnings' => 'double''total_pay' => 'double''total_employer_taxes' => 'double''total_employee_taxes' => 'double''total_deductions' => 'double''total_reimbursements' => 'double''total_court_orders' => 'double''total_benefits' => 'double''bacs_hash' => null'payment_method' => null'earnings_lines' => null'leave_earnings_lines' => null'timesheet_earnings_lines' => null'deduction_lines' => null'reimbursement_lines' => null'leave_accrual_lines' => null'benefit_lines' => null'payment_lines' => null'employee_tax_lines' => null'employer_tax_lines' => null'court_order_lines' => null
+        'pay_slip_id' => 'uuid',
+        'employee_id' => 'uuid',
+        'pay_run_id' => 'uuid',
+        'last_edited' => 'date',
+        'first_name' => null,
+        'last_name' => null,
+        'total_earnings' => 'double',
+        'gross_earnings' => 'double',
+        'total_pay' => 'double',
+        'total_employer_taxes' => 'double',
+        'total_employee_taxes' => 'double',
+        'total_deductions' => 'double',
+        'total_reimbursements' => 'double',
+        'total_court_orders' => 'double',
+        'total_benefits' => 'double',
+        'bacs_hash' => null,
+        'payment_method' => null,
+        'earnings_lines' => null,
+        'leave_earnings_lines' => null,
+        'timesheet_earnings_lines' => null,
+        'deduction_lines' => null,
+        'reimbursement_lines' => null,
+        'leave_accrual_lines' => null,
+        'benefit_lines' => null,
+        'payment_lines' => null,
+        'employee_tax_lines' => null,
+        'employer_tax_lines' => null,
+        'court_order_lines' => null
     ];
 
     /**
@@ -97,7 +151,34 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pay_slip_id' => 'paySlipID''employee_id' => 'employeeID''pay_run_id' => 'payRunID''last_edited' => 'lastEdited''first_name' => 'firstName''last_name' => 'lastName''total_earnings' => 'totalEarnings''gross_earnings' => 'grossEarnings''total_pay' => 'totalPay''total_employer_taxes' => 'totalEmployerTaxes''total_employee_taxes' => 'totalEmployeeTaxes''total_deductions' => 'totalDeductions''total_reimbursements' => 'totalReimbursements''total_court_orders' => 'totalCourtOrders''total_benefits' => 'totalBenefits''bacs_hash' => 'bacsHash''payment_method' => 'paymentMethod''earnings_lines' => 'earningsLines''leave_earnings_lines' => 'leaveEarningsLines''timesheet_earnings_lines' => 'timesheetEarningsLines''deduction_lines' => 'deductionLines''reimbursement_lines' => 'reimbursementLines''leave_accrual_lines' => 'leaveAccrualLines''benefit_lines' => 'benefitLines''payment_lines' => 'paymentLines''employee_tax_lines' => 'employeeTaxLines''employer_tax_lines' => 'employerTaxLines''court_order_lines' => 'courtOrderLines'
+        'pay_slip_id' => 'paySlipID',
+        'employee_id' => 'employeeID',
+        'pay_run_id' => 'payRunID',
+        'last_edited' => 'lastEdited',
+        'first_name' => 'firstName',
+        'last_name' => 'lastName',
+        'total_earnings' => 'totalEarnings',
+        'gross_earnings' => 'grossEarnings',
+        'total_pay' => 'totalPay',
+        'total_employer_taxes' => 'totalEmployerTaxes',
+        'total_employee_taxes' => 'totalEmployeeTaxes',
+        'total_deductions' => 'totalDeductions',
+        'total_reimbursements' => 'totalReimbursements',
+        'total_court_orders' => 'totalCourtOrders',
+        'total_benefits' => 'totalBenefits',
+        'bacs_hash' => 'bacsHash',
+        'payment_method' => 'paymentMethod',
+        'earnings_lines' => 'earningsLines',
+        'leave_earnings_lines' => 'leaveEarningsLines',
+        'timesheet_earnings_lines' => 'timesheetEarningsLines',
+        'deduction_lines' => 'deductionLines',
+        'reimbursement_lines' => 'reimbursementLines',
+        'leave_accrual_lines' => 'leaveAccrualLines',
+        'benefit_lines' => 'benefitLines',
+        'payment_lines' => 'paymentLines',
+        'employee_tax_lines' => 'employeeTaxLines',
+        'employer_tax_lines' => 'employerTaxLines',
+        'court_order_lines' => 'courtOrderLines'
     ];
 
     /**
@@ -106,7 +187,34 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pay_slip_id' => 'setPaySlipId''employee_id' => 'setEmployeeId''pay_run_id' => 'setPayRunId''last_edited' => 'setLastEdited''first_name' => 'setFirstName''last_name' => 'setLastName''total_earnings' => 'setTotalEarnings''gross_earnings' => 'setGrossEarnings''total_pay' => 'setTotalPay''total_employer_taxes' => 'setTotalEmployerTaxes''total_employee_taxes' => 'setTotalEmployeeTaxes''total_deductions' => 'setTotalDeductions''total_reimbursements' => 'setTotalReimbursements''total_court_orders' => 'setTotalCourtOrders''total_benefits' => 'setTotalBenefits''bacs_hash' => 'setBacsHash''payment_method' => 'setPaymentMethod''earnings_lines' => 'setEarningsLines''leave_earnings_lines' => 'setLeaveEarningsLines''timesheet_earnings_lines' => 'setTimesheetEarningsLines''deduction_lines' => 'setDeductionLines''reimbursement_lines' => 'setReimbursementLines''leave_accrual_lines' => 'setLeaveAccrualLines''benefit_lines' => 'setBenefitLines''payment_lines' => 'setPaymentLines''employee_tax_lines' => 'setEmployeeTaxLines''employer_tax_lines' => 'setEmployerTaxLines''court_order_lines' => 'setCourtOrderLines'
+        'pay_slip_id' => 'setPaySlipId',
+        'employee_id' => 'setEmployeeId',
+        'pay_run_id' => 'setPayRunId',
+        'last_edited' => 'setLastEdited',
+        'first_name' => 'setFirstName',
+        'last_name' => 'setLastName',
+        'total_earnings' => 'setTotalEarnings',
+        'gross_earnings' => 'setGrossEarnings',
+        'total_pay' => 'setTotalPay',
+        'total_employer_taxes' => 'setTotalEmployerTaxes',
+        'total_employee_taxes' => 'setTotalEmployeeTaxes',
+        'total_deductions' => 'setTotalDeductions',
+        'total_reimbursements' => 'setTotalReimbursements',
+        'total_court_orders' => 'setTotalCourtOrders',
+        'total_benefits' => 'setTotalBenefits',
+        'bacs_hash' => 'setBacsHash',
+        'payment_method' => 'setPaymentMethod',
+        'earnings_lines' => 'setEarningsLines',
+        'leave_earnings_lines' => 'setLeaveEarningsLines',
+        'timesheet_earnings_lines' => 'setTimesheetEarningsLines',
+        'deduction_lines' => 'setDeductionLines',
+        'reimbursement_lines' => 'setReimbursementLines',
+        'leave_accrual_lines' => 'setLeaveAccrualLines',
+        'benefit_lines' => 'setBenefitLines',
+        'payment_lines' => 'setPaymentLines',
+        'employee_tax_lines' => 'setEmployeeTaxLines',
+        'employer_tax_lines' => 'setEmployerTaxLines',
+        'court_order_lines' => 'setCourtOrderLines'
     ];
 
     /**
@@ -115,7 +223,34 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pay_slip_id' => 'getPaySlipId''employee_id' => 'getEmployeeId''pay_run_id' => 'getPayRunId''last_edited' => 'getLastEdited''first_name' => 'getFirstName''last_name' => 'getLastName''total_earnings' => 'getTotalEarnings''gross_earnings' => 'getGrossEarnings''total_pay' => 'getTotalPay''total_employer_taxes' => 'getTotalEmployerTaxes''total_employee_taxes' => 'getTotalEmployeeTaxes''total_deductions' => 'getTotalDeductions''total_reimbursements' => 'getTotalReimbursements''total_court_orders' => 'getTotalCourtOrders''total_benefits' => 'getTotalBenefits''bacs_hash' => 'getBacsHash''payment_method' => 'getPaymentMethod''earnings_lines' => 'getEarningsLines''leave_earnings_lines' => 'getLeaveEarningsLines''timesheet_earnings_lines' => 'getTimesheetEarningsLines''deduction_lines' => 'getDeductionLines''reimbursement_lines' => 'getReimbursementLines''leave_accrual_lines' => 'getLeaveAccrualLines''benefit_lines' => 'getBenefitLines''payment_lines' => 'getPaymentLines''employee_tax_lines' => 'getEmployeeTaxLines''employer_tax_lines' => 'getEmployerTaxLines''court_order_lines' => 'getCourtOrderLines'
+        'pay_slip_id' => 'getPaySlipId',
+        'employee_id' => 'getEmployeeId',
+        'pay_run_id' => 'getPayRunId',
+        'last_edited' => 'getLastEdited',
+        'first_name' => 'getFirstName',
+        'last_name' => 'getLastName',
+        'total_earnings' => 'getTotalEarnings',
+        'gross_earnings' => 'getGrossEarnings',
+        'total_pay' => 'getTotalPay',
+        'total_employer_taxes' => 'getTotalEmployerTaxes',
+        'total_employee_taxes' => 'getTotalEmployeeTaxes',
+        'total_deductions' => 'getTotalDeductions',
+        'total_reimbursements' => 'getTotalReimbursements',
+        'total_court_orders' => 'getTotalCourtOrders',
+        'total_benefits' => 'getTotalBenefits',
+        'bacs_hash' => 'getBacsHash',
+        'payment_method' => 'getPaymentMethod',
+        'earnings_lines' => 'getEarningsLines',
+        'leave_earnings_lines' => 'getLeaveEarningsLines',
+        'timesheet_earnings_lines' => 'getTimesheetEarningsLines',
+        'deduction_lines' => 'getDeductionLines',
+        'reimbursement_lines' => 'getReimbursementLines',
+        'leave_accrual_lines' => 'getLeaveAccrualLines',
+        'benefit_lines' => 'getBenefitLines',
+        'payment_lines' => 'getPaymentLines',
+        'employee_tax_lines' => 'getEmployeeTaxLines',
+        'employer_tax_lines' => 'getEmployerTaxLines',
+        'court_order_lines' => 'getCourtOrderLines'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/PayslipObject.php b/lib/Models/PayrollUk/PayslipObject.php
index 25ce76ed..70ea3959 100644
--- a/lib/Models/PayrollUk/PayslipObject.php
+++ b/lib/Models/PayrollUk/PayslipObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class PayslipObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''pay_slip' => '\XeroAPI\XeroPHP\Models\PayrollUk\Payslip'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'pay_slip' => '\XeroAPI\XeroPHP\Models\PayrollUk\Payslip'
     ];
 
     /**
@@ -67,7 +69,9 @@ class PayslipObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'pay_slip' => null
+        'pagination' => null,
+        'problem' => null,
+        'pay_slip' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''pay_slip' => 'paySlip'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'pay_slip' => 'paySlip'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''pay_slip' => 'setPaySlip'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'pay_slip' => 'setPaySlip'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''pay_slip' => 'getPaySlip'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'pay_slip' => 'getPaySlip'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/Payslips.php b/lib/Models/PayrollUk/Payslips.php
index b67c8437..3208589d 100644
--- a/lib/Models/PayrollUk/Payslips.php
+++ b/lib/Models/PayrollUk/Payslips.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class Payslips implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''pay_slips' => '\XeroAPI\XeroPHP\Models\PayrollUk\Payslip[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'pay_slips' => '\XeroAPI\XeroPHP\Models\PayrollUk\Payslip[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class Payslips implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'pay_slips' => null
+        'pagination' => null,
+        'problem' => null,
+        'pay_slips' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''pay_slips' => 'paySlips'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'pay_slips' => 'paySlips'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''pay_slips' => 'setPaySlips'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'pay_slips' => 'setPaySlips'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''pay_slips' => 'getPaySlips'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'pay_slips' => 'getPaySlips'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/Problem.php b/lib/Models/PayrollUk/Problem.php
index 5fc0d110..e2b7c022 100644
--- a/lib/Models/PayrollUk/Problem.php
+++ b/lib/Models/PayrollUk/Problem.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -59,7 +59,12 @@ class Problem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'type' => 'string''title' => 'string''status' => 'string''detail' => 'string''instance' => 'string''invalid_fields' => '\XeroAPI\XeroPHP\Models\PayrollUk\InvalidField[]'
+        'type' => 'string',
+        'title' => 'string',
+        'status' => 'string',
+        'detail' => 'string',
+        'instance' => 'string',
+        'invalid_fields' => '\XeroAPI\XeroPHP\Models\PayrollUk\InvalidField[]'
     ];
 
     /**
@@ -68,7 +73,12 @@ class Problem implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'type' => null'title' => null'status' => null'detail' => null'instance' => null'invalid_fields' => null
+        'type' => null,
+        'title' => null,
+        'status' => null,
+        'detail' => null,
+        'instance' => null,
+        'invalid_fields' => null
     ];
 
     /**
@@ -98,7 +108,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'type' => 'type''title' => 'title''status' => 'status''detail' => 'detail''instance' => 'instance''invalid_fields' => 'invalidFields'
+        'type' => 'type',
+        'title' => 'title',
+        'status' => 'status',
+        'detail' => 'detail',
+        'instance' => 'instance',
+        'invalid_fields' => 'invalidFields'
     ];
 
     /**
@@ -107,7 +122,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'type' => 'setType''title' => 'setTitle''status' => 'setStatus''detail' => 'setDetail''instance' => 'setInstance''invalid_fields' => 'setInvalidFields'
+        'type' => 'setType',
+        'title' => 'setTitle',
+        'status' => 'setStatus',
+        'detail' => 'setDetail',
+        'instance' => 'setInstance',
+        'invalid_fields' => 'setInvalidFields'
     ];
 
     /**
@@ -116,7 +136,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'type' => 'getType''title' => 'getTitle''status' => 'getStatus''detail' => 'getDetail''instance' => 'getInstance''invalid_fields' => 'getInvalidFields'
+        'type' => 'getType',
+        'title' => 'getTitle',
+        'status' => 'getStatus',
+        'detail' => 'getDetail',
+        'instance' => 'getInstance',
+        'invalid_fields' => 'getInvalidFields'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/Reimbursement.php b/lib/Models/PayrollUk/Reimbursement.php
index 20193a56..e3057ac7 100644
--- a/lib/Models/PayrollUk/Reimbursement.php
+++ b/lib/Models/PayrollUk/Reimbursement.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class Reimbursement implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'reimbursement_id' => 'string''name' => 'string''account_id' => 'string''current_record' => 'bool'
+        'reimbursement_id' => 'string',
+        'name' => 'string',
+        'account_id' => 'string',
+        'current_record' => 'bool'
     ];
 
     /**
@@ -67,7 +70,10 @@ class Reimbursement implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'reimbursement_id' => 'uuid''name' => null'account_id' => 'uuid''current_record' => null
+        'reimbursement_id' => 'uuid',
+        'name' => null,
+        'account_id' => 'uuid',
+        'current_record' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'reimbursement_id' => 'reimbursementID''name' => 'name''account_id' => 'accountID''current_record' => 'currentRecord'
+        'reimbursement_id' => 'reimbursementID',
+        'name' => 'name',
+        'account_id' => 'accountID',
+        'current_record' => 'currentRecord'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'reimbursement_id' => 'setReimbursementId''name' => 'setName''account_id' => 'setAccountId''current_record' => 'setCurrentRecord'
+        'reimbursement_id' => 'setReimbursementId',
+        'name' => 'setName',
+        'account_id' => 'setAccountId',
+        'current_record' => 'setCurrentRecord'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'reimbursement_id' => 'getReimbursementId''name' => 'getName''account_id' => 'getAccountId''current_record' => 'getCurrentRecord'
+        'reimbursement_id' => 'getReimbursementId',
+        'name' => 'getName',
+        'account_id' => 'getAccountId',
+        'current_record' => 'getCurrentRecord'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/ReimbursementLine.php b/lib/Models/PayrollUk/ReimbursementLine.php
index 0e294f17..e50ac6bf 100644
--- a/lib/Models/PayrollUk/ReimbursementLine.php
+++ b/lib/Models/PayrollUk/ReimbursementLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class ReimbursementLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'reimbursement_type_id' => 'string''description' => 'string''amount' => 'double'
+        'reimbursement_type_id' => 'string',
+        'description' => 'string',
+        'amount' => 'double'
     ];
 
     /**
@@ -67,7 +69,9 @@ class ReimbursementLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'reimbursement_type_id' => 'uuid''description' => null'amount' => 'double'
+        'reimbursement_type_id' => 'uuid',
+        'description' => null,
+        'amount' => 'double'
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'reimbursement_type_id' => 'reimbursementTypeID''description' => 'description''amount' => 'amount'
+        'reimbursement_type_id' => 'reimbursementTypeID',
+        'description' => 'description',
+        'amount' => 'amount'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'reimbursement_type_id' => 'setReimbursementTypeId''description' => 'setDescription''amount' => 'setAmount'
+        'reimbursement_type_id' => 'setReimbursementTypeId',
+        'description' => 'setDescription',
+        'amount' => 'setAmount'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'reimbursement_type_id' => 'getReimbursementTypeId''description' => 'getDescription''amount' => 'getAmount'
+        'reimbursement_type_id' => 'getReimbursementTypeId',
+        'description' => 'getDescription',
+        'amount' => 'getAmount'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/ReimbursementObject.php b/lib/Models/PayrollUk/ReimbursementObject.php
index 85d72a19..ac8e327a 100644
--- a/lib/Models/PayrollUk/ReimbursementObject.php
+++ b/lib/Models/PayrollUk/ReimbursementObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class ReimbursementObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''reimbursement' => '\XeroAPI\XeroPHP\Models\PayrollUk\Reimbursement'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'reimbursement' => '\XeroAPI\XeroPHP\Models\PayrollUk\Reimbursement'
     ];
 
     /**
@@ -67,7 +69,9 @@ class ReimbursementObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'reimbursement' => null
+        'pagination' => null,
+        'problem' => null,
+        'reimbursement' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''reimbursement' => 'reimbursement'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'reimbursement' => 'reimbursement'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''reimbursement' => 'setReimbursement'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'reimbursement' => 'setReimbursement'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''reimbursement' => 'getReimbursement'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'reimbursement' => 'getReimbursement'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/Reimbursements.php b/lib/Models/PayrollUk/Reimbursements.php
index bd888050..ddf51e8e 100644
--- a/lib/Models/PayrollUk/Reimbursements.php
+++ b/lib/Models/PayrollUk/Reimbursements.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class Reimbursements implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''reimbursements' => '\XeroAPI\XeroPHP\Models\PayrollUk\Reimbursement[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'reimbursements' => '\XeroAPI\XeroPHP\Models\PayrollUk\Reimbursement[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class Reimbursements implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'reimbursements' => null
+        'pagination' => null,
+        'problem' => null,
+        'reimbursements' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''reimbursements' => 'reimbursements'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'reimbursements' => 'reimbursements'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''reimbursements' => 'setReimbursements'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'reimbursements' => 'setReimbursements'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''reimbursements' => 'getReimbursements'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'reimbursements' => 'getReimbursements'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/SalaryAndWage.php b/lib/Models/PayrollUk/SalaryAndWage.php
index 5e961119..f41573c2 100644
--- a/lib/Models/PayrollUk/SalaryAndWage.php
+++ b/lib/Models/PayrollUk/SalaryAndWage.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,15 @@ class SalaryAndWage implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'salary_and_wages_id' => 'string''earnings_rate_id' => 'string''number_of_units_per_week' => 'double''rate_per_unit' => 'double''number_of_units_per_day' => 'double''effective_from' => '\DateTime''annual_salary' => 'double''status' => 'string''payment_type' => 'string'
+        'salary_and_wages_id' => 'string',
+        'earnings_rate_id' => 'string',
+        'number_of_units_per_week' => 'double',
+        'rate_per_unit' => 'double',
+        'number_of_units_per_day' => 'double',
+        'effective_from' => '\DateTime',
+        'annual_salary' => 'double',
+        'status' => 'string',
+        'payment_type' => 'string'
     ];
 
     /**
@@ -67,7 +75,15 @@ class SalaryAndWage implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'salary_and_wages_id' => 'uuid''earnings_rate_id' => 'uuid''number_of_units_per_week' => 'double''rate_per_unit' => 'double''number_of_units_per_day' => 'double''effective_from' => 'date''annual_salary' => 'double''status' => null'payment_type' => null
+        'salary_and_wages_id' => 'uuid',
+        'earnings_rate_id' => 'uuid',
+        'number_of_units_per_week' => 'double',
+        'rate_per_unit' => 'double',
+        'number_of_units_per_day' => 'double',
+        'effective_from' => 'date',
+        'annual_salary' => 'double',
+        'status' => null,
+        'payment_type' => null
     ];
 
     /**
@@ -97,7 +113,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'salary_and_wages_id' => 'salaryAndWagesID''earnings_rate_id' => 'earningsRateID''number_of_units_per_week' => 'numberOfUnitsPerWeek''rate_per_unit' => 'ratePerUnit''number_of_units_per_day' => 'numberOfUnitsPerDay''effective_from' => 'effectiveFrom''annual_salary' => 'annualSalary''status' => 'status''payment_type' => 'paymentType'
+        'salary_and_wages_id' => 'salaryAndWagesID',
+        'earnings_rate_id' => 'earningsRateID',
+        'number_of_units_per_week' => 'numberOfUnitsPerWeek',
+        'rate_per_unit' => 'ratePerUnit',
+        'number_of_units_per_day' => 'numberOfUnitsPerDay',
+        'effective_from' => 'effectiveFrom',
+        'annual_salary' => 'annualSalary',
+        'status' => 'status',
+        'payment_type' => 'paymentType'
     ];
 
     /**
@@ -106,7 +130,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'salary_and_wages_id' => 'setSalaryAndWagesId''earnings_rate_id' => 'setEarningsRateId''number_of_units_per_week' => 'setNumberOfUnitsPerWeek''rate_per_unit' => 'setRatePerUnit''number_of_units_per_day' => 'setNumberOfUnitsPerDay''effective_from' => 'setEffectiveFrom''annual_salary' => 'setAnnualSalary''status' => 'setStatus''payment_type' => 'setPaymentType'
+        'salary_and_wages_id' => 'setSalaryAndWagesId',
+        'earnings_rate_id' => 'setEarningsRateId',
+        'number_of_units_per_week' => 'setNumberOfUnitsPerWeek',
+        'rate_per_unit' => 'setRatePerUnit',
+        'number_of_units_per_day' => 'setNumberOfUnitsPerDay',
+        'effective_from' => 'setEffectiveFrom',
+        'annual_salary' => 'setAnnualSalary',
+        'status' => 'setStatus',
+        'payment_type' => 'setPaymentType'
     ];
 
     /**
@@ -115,7 +147,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'salary_and_wages_id' => 'getSalaryAndWagesId''earnings_rate_id' => 'getEarningsRateId''number_of_units_per_week' => 'getNumberOfUnitsPerWeek''rate_per_unit' => 'getRatePerUnit''number_of_units_per_day' => 'getNumberOfUnitsPerDay''effective_from' => 'getEffectiveFrom''annual_salary' => 'getAnnualSalary''status' => 'getStatus''payment_type' => 'getPaymentType'
+        'salary_and_wages_id' => 'getSalaryAndWagesId',
+        'earnings_rate_id' => 'getEarningsRateId',
+        'number_of_units_per_week' => 'getNumberOfUnitsPerWeek',
+        'rate_per_unit' => 'getRatePerUnit',
+        'number_of_units_per_day' => 'getNumberOfUnitsPerDay',
+        'effective_from' => 'getEffectiveFrom',
+        'annual_salary' => 'getAnnualSalary',
+        'status' => 'getStatus',
+        'payment_type' => 'getPaymentType'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/SalaryAndWageObject.php b/lib/Models/PayrollUk/SalaryAndWageObject.php
index 89347677..e0b5d5d2 100644
--- a/lib/Models/PayrollUk/SalaryAndWageObject.php
+++ b/lib/Models/PayrollUk/SalaryAndWageObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class SalaryAndWageObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''salary_and_wages' => '\XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWage'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'salary_and_wages' => '\XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWage'
     ];
 
     /**
@@ -67,7 +69,9 @@ class SalaryAndWageObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'salary_and_wages' => null
+        'pagination' => null,
+        'problem' => null,
+        'salary_and_wages' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''salary_and_wages' => 'salaryAndWages'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'salary_and_wages' => 'salaryAndWages'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''salary_and_wages' => 'setSalaryAndWages'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'salary_and_wages' => 'setSalaryAndWages'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''salary_and_wages' => 'getSalaryAndWages'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'salary_and_wages' => 'getSalaryAndWages'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/SalaryAndWages.php b/lib/Models/PayrollUk/SalaryAndWages.php
index c4e4c529..3a35054d 100644
--- a/lib/Models/PayrollUk/SalaryAndWages.php
+++ b/lib/Models/PayrollUk/SalaryAndWages.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class SalaryAndWages implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''salary_and_wages' => '\XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWage[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'salary_and_wages' => '\XeroAPI\XeroPHP\Models\PayrollUk\SalaryAndWage[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class SalaryAndWages implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'salary_and_wages' => null
+        'pagination' => null,
+        'problem' => null,
+        'salary_and_wages' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''salary_and_wages' => 'salaryAndWages'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'salary_and_wages' => 'salaryAndWages'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''salary_and_wages' => 'setSalaryAndWages'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'salary_and_wages' => 'setSalaryAndWages'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''salary_and_wages' => 'getSalaryAndWages'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'salary_and_wages' => 'getSalaryAndWages'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/Settings.php b/lib/Models/PayrollUk/Settings.php
index f776f881..277abb3c 100644
--- a/lib/Models/PayrollUk/Settings.php
+++ b/lib/Models/PayrollUk/Settings.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class Settings implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''settings' => '\XeroAPI\XeroPHP\Models\PayrollUk\Accounts'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'settings' => '\XeroAPI\XeroPHP\Models\PayrollUk\Accounts'
     ];
 
     /**
@@ -67,7 +69,9 @@ class Settings implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'settings' => null
+        'pagination' => null,
+        'problem' => null,
+        'settings' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''settings' => 'settings'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'settings' => 'settings'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''settings' => 'setSettings'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'settings' => 'setSettings'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''settings' => 'getSettings'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'settings' => 'getSettings'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/StatutoryDeduction.php b/lib/Models/PayrollUk/StatutoryDeduction.php
index 02593749..2b0309ae 100644
--- a/lib/Models/PayrollUk/StatutoryDeduction.php
+++ b/lib/Models/PayrollUk/StatutoryDeduction.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class StatutoryDeduction implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'id' => 'string''name' => 'string''statutory_deduction_category' => '\XeroAPI\XeroPHP\Models\PayrollUk\StatutoryDeductionCategory''liability_account_id' => 'string''current_record' => 'bool'
+        'id' => 'string',
+        'name' => 'string',
+        'statutory_deduction_category' => '\XeroAPI\XeroPHP\Models\PayrollUk\StatutoryDeductionCategory',
+        'liability_account_id' => 'string',
+        'current_record' => 'bool'
     ];
 
     /**
@@ -67,7 +71,11 @@ class StatutoryDeduction implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'id' => 'uuid''name' => null'statutory_deduction_category' => null'liability_account_id' => 'uuid''current_record' => null
+        'id' => 'uuid',
+        'name' => null,
+        'statutory_deduction_category' => null,
+        'liability_account_id' => 'uuid',
+        'current_record' => null
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'id' => 'id''name' => 'name''statutory_deduction_category' => 'statutoryDeductionCategory''liability_account_id' => 'liabilityAccountId''current_record' => 'currentRecord'
+        'id' => 'id',
+        'name' => 'name',
+        'statutory_deduction_category' => 'statutoryDeductionCategory',
+        'liability_account_id' => 'liabilityAccountId',
+        'current_record' => 'currentRecord'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'id' => 'setId''name' => 'setName''statutory_deduction_category' => 'setStatutoryDeductionCategory''liability_account_id' => 'setLiabilityAccountId''current_record' => 'setCurrentRecord'
+        'id' => 'setId',
+        'name' => 'setName',
+        'statutory_deduction_category' => 'setStatutoryDeductionCategory',
+        'liability_account_id' => 'setLiabilityAccountId',
+        'current_record' => 'setCurrentRecord'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'id' => 'getId''name' => 'getName''statutory_deduction_category' => 'getStatutoryDeductionCategory''liability_account_id' => 'getLiabilityAccountId''current_record' => 'getCurrentRecord'
+        'id' => 'getId',
+        'name' => 'getName',
+        'statutory_deduction_category' => 'getStatutoryDeductionCategory',
+        'liability_account_id' => 'getLiabilityAccountId',
+        'current_record' => 'getCurrentRecord'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/StatutoryDeductionCategory.php b/lib/Models/PayrollUk/StatutoryDeductionCategory.php
index 6cc966b9..b9c39629 100644
--- a/lib/Models/PayrollUk/StatutoryDeductionCategory.php
+++ b/lib/Models/PayrollUk/StatutoryDeductionCategory.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/PayrollUk/TaxLine.php b/lib/Models/PayrollUk/TaxLine.php
index 07a320f8..49a9acf7 100644
--- a/lib/Models/PayrollUk/TaxLine.php
+++ b/lib/Models/PayrollUk/TaxLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class TaxLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'tax_line_id' => 'string''description' => 'string''is_employer_tax' => 'bool''amount' => 'double''global_tax_type_id' => 'string''manual_adjustment' => 'bool'
+        'tax_line_id' => 'string',
+        'description' => 'string',
+        'is_employer_tax' => 'bool',
+        'amount' => 'double',
+        'global_tax_type_id' => 'string',
+        'manual_adjustment' => 'bool'
     ];
 
     /**
@@ -67,7 +72,12 @@ class TaxLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'tax_line_id' => 'uuid''description' => null'is_employer_tax' => null'amount' => 'double''global_tax_type_id' => null'manual_adjustment' => null
+        'tax_line_id' => 'uuid',
+        'description' => null,
+        'is_employer_tax' => null,
+        'amount' => 'double',
+        'global_tax_type_id' => null,
+        'manual_adjustment' => null
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'tax_line_id' => 'taxLineID''description' => 'description''is_employer_tax' => 'isEmployerTax''amount' => 'amount''global_tax_type_id' => 'globalTaxTypeID''manual_adjustment' => 'manualAdjustment'
+        'tax_line_id' => 'taxLineID',
+        'description' => 'description',
+        'is_employer_tax' => 'isEmployerTax',
+        'amount' => 'amount',
+        'global_tax_type_id' => 'globalTaxTypeID',
+        'manual_adjustment' => 'manualAdjustment'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'tax_line_id' => 'setTaxLineId''description' => 'setDescription''is_employer_tax' => 'setIsEmployerTax''amount' => 'setAmount''global_tax_type_id' => 'setGlobalTaxTypeId''manual_adjustment' => 'setManualAdjustment'
+        'tax_line_id' => 'setTaxLineId',
+        'description' => 'setDescription',
+        'is_employer_tax' => 'setIsEmployerTax',
+        'amount' => 'setAmount',
+        'global_tax_type_id' => 'setGlobalTaxTypeId',
+        'manual_adjustment' => 'setManualAdjustment'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'tax_line_id' => 'getTaxLineId''description' => 'getDescription''is_employer_tax' => 'getIsEmployerTax''amount' => 'getAmount''global_tax_type_id' => 'getGlobalTaxTypeId''manual_adjustment' => 'getManualAdjustment'
+        'tax_line_id' => 'getTaxLineId',
+        'description' => 'getDescription',
+        'is_employer_tax' => 'getIsEmployerTax',
+        'amount' => 'getAmount',
+        'global_tax_type_id' => 'getGlobalTaxTypeId',
+        'manual_adjustment' => 'getManualAdjustment'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/Timesheet.php b/lib/Models/PayrollUk/Timesheet.php
index 84b639fa..c5a5f4df 100644
--- a/lib/Models/PayrollUk/Timesheet.php
+++ b/lib/Models/PayrollUk/Timesheet.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,15 @@ class Timesheet implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'timesheet_id' => 'string''payroll_calendar_id' => 'string''employee_id' => 'string''start_date' => '\DateTime''end_date' => '\DateTime''status' => 'string''total_hours' => 'double''updated_date_utc' => '\DateTime''timesheet_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine[]'
+        'timesheet_id' => 'string',
+        'payroll_calendar_id' => 'string',
+        'employee_id' => 'string',
+        'start_date' => '\DateTime',
+        'end_date' => '\DateTime',
+        'status' => 'string',
+        'total_hours' => 'double',
+        'updated_date_utc' => '\DateTime',
+        'timesheet_lines' => '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine[]'
     ];
 
     /**
@@ -67,7 +75,15 @@ class Timesheet implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'timesheet_id' => 'uuid''payroll_calendar_id' => 'uuid''employee_id' => 'uuid''start_date' => 'date''end_date' => 'date''status' => null'total_hours' => 'double''updated_date_utc' => 'date-time''timesheet_lines' => null
+        'timesheet_id' => 'uuid',
+        'payroll_calendar_id' => 'uuid',
+        'employee_id' => 'uuid',
+        'start_date' => 'date',
+        'end_date' => 'date',
+        'status' => null,
+        'total_hours' => 'double',
+        'updated_date_utc' => 'date-time',
+        'timesheet_lines' => null
     ];
 
     /**
@@ -97,7 +113,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'timesheet_id' => 'timesheetID''payroll_calendar_id' => 'payrollCalendarID''employee_id' => 'employeeID''start_date' => 'startDate''end_date' => 'endDate''status' => 'status''total_hours' => 'totalHours''updated_date_utc' => 'updatedDateUTC''timesheet_lines' => 'timesheetLines'
+        'timesheet_id' => 'timesheetID',
+        'payroll_calendar_id' => 'payrollCalendarID',
+        'employee_id' => 'employeeID',
+        'start_date' => 'startDate',
+        'end_date' => 'endDate',
+        'status' => 'status',
+        'total_hours' => 'totalHours',
+        'updated_date_utc' => 'updatedDateUTC',
+        'timesheet_lines' => 'timesheetLines'
     ];
 
     /**
@@ -106,7 +130,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'timesheet_id' => 'setTimesheetId''payroll_calendar_id' => 'setPayrollCalendarId''employee_id' => 'setEmployeeId''start_date' => 'setStartDate''end_date' => 'setEndDate''status' => 'setStatus''total_hours' => 'setTotalHours''updated_date_utc' => 'setUpdatedDateUtc''timesheet_lines' => 'setTimesheetLines'
+        'timesheet_id' => 'setTimesheetId',
+        'payroll_calendar_id' => 'setPayrollCalendarId',
+        'employee_id' => 'setEmployeeId',
+        'start_date' => 'setStartDate',
+        'end_date' => 'setEndDate',
+        'status' => 'setStatus',
+        'total_hours' => 'setTotalHours',
+        'updated_date_utc' => 'setUpdatedDateUtc',
+        'timesheet_lines' => 'setTimesheetLines'
     ];
 
     /**
@@ -115,7 +147,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'timesheet_id' => 'getTimesheetId''payroll_calendar_id' => 'getPayrollCalendarId''employee_id' => 'getEmployeeId''start_date' => 'getStartDate''end_date' => 'getEndDate''status' => 'getStatus''total_hours' => 'getTotalHours''updated_date_utc' => 'getUpdatedDateUtc''timesheet_lines' => 'getTimesheetLines'
+        'timesheet_id' => 'getTimesheetId',
+        'payroll_calendar_id' => 'getPayrollCalendarId',
+        'employee_id' => 'getEmployeeId',
+        'start_date' => 'getStartDate',
+        'end_date' => 'getEndDate',
+        'status' => 'getStatus',
+        'total_hours' => 'getTotalHours',
+        'updated_date_utc' => 'getUpdatedDateUtc',
+        'timesheet_lines' => 'getTimesheetLines'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/TimesheetEarningsLine.php b/lib/Models/PayrollUk/TimesheetEarningsLine.php
index 3d76cb46..701c0cd7 100644
--- a/lib/Models/PayrollUk/TimesheetEarningsLine.php
+++ b/lib/Models/PayrollUk/TimesheetEarningsLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,12 @@ class TimesheetEarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'earnings_rate_id' => 'string''rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''amount' => 'double''is_linked_to_timesheet' => 'bool'
+        'earnings_rate_id' => 'string',
+        'rate_per_unit' => 'double',
+        'number_of_units' => 'double',
+        'fixed_amount' => 'double',
+        'amount' => 'double',
+        'is_linked_to_timesheet' => 'bool'
     ];
 
     /**
@@ -67,7 +72,12 @@ class TimesheetEarningsLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'earnings_rate_id' => 'uuid''rate_per_unit' => 'double''number_of_units' => 'double''fixed_amount' => 'double''amount' => 'double''is_linked_to_timesheet' => null
+        'earnings_rate_id' => 'uuid',
+        'rate_per_unit' => 'double',
+        'number_of_units' => 'double',
+        'fixed_amount' => 'double',
+        'amount' => 'double',
+        'is_linked_to_timesheet' => null
     ];
 
     /**
@@ -97,7 +107,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'earnings_rate_id' => 'earningsRateID''rate_per_unit' => 'ratePerUnit''number_of_units' => 'numberOfUnits''fixed_amount' => 'fixedAmount''amount' => 'amount''is_linked_to_timesheet' => 'isLinkedToTimesheet'
+        'earnings_rate_id' => 'earningsRateID',
+        'rate_per_unit' => 'ratePerUnit',
+        'number_of_units' => 'numberOfUnits',
+        'fixed_amount' => 'fixedAmount',
+        'amount' => 'amount',
+        'is_linked_to_timesheet' => 'isLinkedToTimesheet'
     ];
 
     /**
@@ -106,7 +121,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'earnings_rate_id' => 'setEarningsRateId''rate_per_unit' => 'setRatePerUnit''number_of_units' => 'setNumberOfUnits''fixed_amount' => 'setFixedAmount''amount' => 'setAmount''is_linked_to_timesheet' => 'setIsLinkedToTimesheet'
+        'earnings_rate_id' => 'setEarningsRateId',
+        'rate_per_unit' => 'setRatePerUnit',
+        'number_of_units' => 'setNumberOfUnits',
+        'fixed_amount' => 'setFixedAmount',
+        'amount' => 'setAmount',
+        'is_linked_to_timesheet' => 'setIsLinkedToTimesheet'
     ];
 
     /**
@@ -115,7 +135,12 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'earnings_rate_id' => 'getEarningsRateId''rate_per_unit' => 'getRatePerUnit''number_of_units' => 'getNumberOfUnits''fixed_amount' => 'getFixedAmount''amount' => 'getAmount''is_linked_to_timesheet' => 'getIsLinkedToTimesheet'
+        'earnings_rate_id' => 'getEarningsRateId',
+        'rate_per_unit' => 'getRatePerUnit',
+        'number_of_units' => 'getNumberOfUnits',
+        'fixed_amount' => 'getFixedAmount',
+        'amount' => 'getAmount',
+        'is_linked_to_timesheet' => 'getIsLinkedToTimesheet'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/TimesheetLine.php b/lib/Models/PayrollUk/TimesheetLine.php
index cd6b4fc9..182ee581 100644
--- a/lib/Models/PayrollUk/TimesheetLine.php
+++ b/lib/Models/PayrollUk/TimesheetLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class TimesheetLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'timesheet_line_id' => 'string''date' => '\DateTime''earnings_rate_id' => 'string''tracking_item_id' => 'string''number_of_units' => 'double'
+        'timesheet_line_id' => 'string',
+        'date' => '\DateTime',
+        'earnings_rate_id' => 'string',
+        'tracking_item_id' => 'string',
+        'number_of_units' => 'double'
     ];
 
     /**
@@ -67,7 +71,11 @@ class TimesheetLine implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'timesheet_line_id' => 'uuid''date' => 'date''earnings_rate_id' => 'uuid''tracking_item_id' => 'uuid''number_of_units' => 'double'
+        'timesheet_line_id' => 'uuid',
+        'date' => 'date',
+        'earnings_rate_id' => 'uuid',
+        'tracking_item_id' => 'uuid',
+        'number_of_units' => 'double'
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'timesheet_line_id' => 'timesheetLineID''date' => 'date''earnings_rate_id' => 'earningsRateID''tracking_item_id' => 'trackingItemID''number_of_units' => 'numberOfUnits'
+        'timesheet_line_id' => 'timesheetLineID',
+        'date' => 'date',
+        'earnings_rate_id' => 'earningsRateID',
+        'tracking_item_id' => 'trackingItemID',
+        'number_of_units' => 'numberOfUnits'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'timesheet_line_id' => 'setTimesheetLineId''date' => 'setDate''earnings_rate_id' => 'setEarningsRateId''tracking_item_id' => 'setTrackingItemId''number_of_units' => 'setNumberOfUnits'
+        'timesheet_line_id' => 'setTimesheetLineId',
+        'date' => 'setDate',
+        'earnings_rate_id' => 'setEarningsRateId',
+        'tracking_item_id' => 'setTrackingItemId',
+        'number_of_units' => 'setNumberOfUnits'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'timesheet_line_id' => 'getTimesheetLineId''date' => 'getDate''earnings_rate_id' => 'getEarningsRateId''tracking_item_id' => 'getTrackingItemId''number_of_units' => 'getNumberOfUnits'
+        'timesheet_line_id' => 'getTimesheetLineId',
+        'date' => 'getDate',
+        'earnings_rate_id' => 'getEarningsRateId',
+        'tracking_item_id' => 'getTrackingItemId',
+        'number_of_units' => 'getNumberOfUnits'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/TimesheetLineObject.php b/lib/Models/PayrollUk/TimesheetLineObject.php
index 96d143d2..3efcaf71 100644
--- a/lib/Models/PayrollUk/TimesheetLineObject.php
+++ b/lib/Models/PayrollUk/TimesheetLineObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class TimesheetLineObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''timesheet_line' => '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'timesheet_line' => '\XeroAPI\XeroPHP\Models\PayrollUk\TimesheetLine'
     ];
 
     /**
@@ -67,7 +69,9 @@ class TimesheetLineObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'timesheet_line' => null
+        'pagination' => null,
+        'problem' => null,
+        'timesheet_line' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''timesheet_line' => 'timesheetLine'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'timesheet_line' => 'timesheetLine'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''timesheet_line' => 'setTimesheetLine'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'timesheet_line' => 'setTimesheetLine'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''timesheet_line' => 'getTimesheetLine'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'timesheet_line' => 'getTimesheetLine'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/TimesheetObject.php b/lib/Models/PayrollUk/TimesheetObject.php
index 482305ee..0aa0cbec 100644
--- a/lib/Models/PayrollUk/TimesheetObject.php
+++ b/lib/Models/PayrollUk/TimesheetObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class TimesheetObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''timesheet' => '\XeroAPI\XeroPHP\Models\PayrollUk\Timesheet'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'timesheet' => '\XeroAPI\XeroPHP\Models\PayrollUk\Timesheet'
     ];
 
     /**
@@ -67,7 +69,9 @@ class TimesheetObject implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'timesheet' => null
+        'pagination' => null,
+        'problem' => null,
+        'timesheet' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''timesheet' => 'timesheet'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'timesheet' => 'timesheet'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''timesheet' => 'setTimesheet'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'timesheet' => 'setTimesheet'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''timesheet' => 'getTimesheet'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'timesheet' => 'getTimesheet'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/Timesheets.php b/lib/Models/PayrollUk/Timesheets.php
index cc8daa85..868a1afc 100644
--- a/lib/Models/PayrollUk/Timesheets.php
+++ b/lib/Models/PayrollUk/Timesheets.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class Timesheets implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''timesheets' => '\XeroAPI\XeroPHP\Models\PayrollUk\Timesheet[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'timesheets' => '\XeroAPI\XeroPHP\Models\PayrollUk\Timesheet[]'
     ];
 
     /**
@@ -67,7 +69,9 @@ class Timesheets implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'timesheets' => null
+        'pagination' => null,
+        'problem' => null,
+        'timesheets' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''timesheets' => 'timesheets'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'timesheets' => 'timesheets'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''timesheets' => 'setTimesheets'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'timesheets' => 'setTimesheets'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''timesheets' => 'getTimesheets'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'timesheets' => 'getTimesheets'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/TrackingCategories.php b/lib/Models/PayrollUk/TrackingCategories.php
index 6922c751..33aebf7c 100644
--- a/lib/Models/PayrollUk/TrackingCategories.php
+++ b/lib/Models/PayrollUk/TrackingCategories.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class TrackingCategories implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination''problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem''tracking_categories' => '\XeroAPI\XeroPHP\Models\PayrollUk\TrackingCategory'
+        'pagination' => '\XeroAPI\XeroPHP\Models\PayrollUk\Pagination',
+        'problem' => '\XeroAPI\XeroPHP\Models\PayrollUk\Problem',
+        'tracking_categories' => '\XeroAPI\XeroPHP\Models\PayrollUk\TrackingCategory'
     ];
 
     /**
@@ -67,7 +69,9 @@ class TrackingCategories implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'problem' => null'tracking_categories' => null
+        'pagination' => null,
+        'problem' => null,
+        'tracking_categories' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''problem' => 'problem''tracking_categories' => 'trackingCategories'
+        'pagination' => 'pagination',
+        'problem' => 'problem',
+        'tracking_categories' => 'trackingCategories'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''problem' => 'setProblem''tracking_categories' => 'setTrackingCategories'
+        'pagination' => 'setPagination',
+        'problem' => 'setProblem',
+        'tracking_categories' => 'setTrackingCategories'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''problem' => 'getProblem''tracking_categories' => 'getTrackingCategories'
+        'pagination' => 'getPagination',
+        'problem' => 'getProblem',
+        'tracking_categories' => 'getTrackingCategories'
     ];
 
     /**
diff --git a/lib/Models/PayrollUk/TrackingCategory.php b/lib/Models/PayrollUk/TrackingCategory.php
index 5bffee2e..cee32994 100644
--- a/lib/Models/PayrollUk/TrackingCategory.php
+++ b/lib/Models/PayrollUk/TrackingCategory.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class TrackingCategory implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'employee_groups_tracking_category_id' => 'string''timesheet_tracking_category_id' => 'string'
+        'employee_groups_tracking_category_id' => 'string',
+        'timesheet_tracking_category_id' => 'string'
     ];
 
     /**
@@ -67,7 +68,8 @@ class TrackingCategory implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'employee_groups_tracking_category_id' => 'uuid''timesheet_tracking_category_id' => 'uuid'
+        'employee_groups_tracking_category_id' => 'uuid',
+        'timesheet_tracking_category_id' => 'uuid'
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'employee_groups_tracking_category_id' => 'employeeGroupsTrackingCategoryID''timesheet_tracking_category_id' => 'timesheetTrackingCategoryID'
+        'employee_groups_tracking_category_id' => 'employeeGroupsTrackingCategoryID',
+        'timesheet_tracking_category_id' => 'timesheetTrackingCategoryID'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'employee_groups_tracking_category_id' => 'setEmployeeGroupsTrackingCategoryId''timesheet_tracking_category_id' => 'setTimesheetTrackingCategoryId'
+        'employee_groups_tracking_category_id' => 'setEmployeeGroupsTrackingCategoryId',
+        'timesheet_tracking_category_id' => 'setTimesheetTrackingCategoryId'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'employee_groups_tracking_category_id' => 'getEmployeeGroupsTrackingCategoryId''timesheet_tracking_category_id' => 'getTimesheetTrackingCategoryId'
+        'employee_groups_tracking_category_id' => 'getEmployeeGroupsTrackingCategoryId',
+        'timesheet_tracking_category_id' => 'getTimesheetTrackingCategoryId'
     ];
 
     /**
diff --git a/lib/Models/Project/Amount.php b/lib/Models/Project/Amount.php
index 93617f04..04edb51b 100644
--- a/lib/Models/Project/Amount.php
+++ b/lib/Models/Project/Amount.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class Amount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'currency' => '\XeroAPI\XeroPHP\Models\Project\CurrencyCode''value' => 'double'
+        'currency' => '\XeroAPI\XeroPHP\Models\Project\CurrencyCode',
+        'value' => 'double'
     ];
 
     /**
@@ -67,7 +68,8 @@ class Amount implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'currency' => null'value' => 'double'
+        'currency' => null,
+        'value' => 'double'
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'currency' => 'currency''value' => 'value'
+        'currency' => 'currency',
+        'value' => 'value'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'currency' => 'setCurrency''value' => 'setValue'
+        'currency' => 'setCurrency',
+        'value' => 'setValue'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'currency' => 'getCurrency''value' => 'getValue'
+        'currency' => 'getCurrency',
+        'value' => 'getValue'
     ];
 
     /**
diff --git a/lib/Models/Project/ChargeType.php b/lib/Models/Project/ChargeType.php
index feebf426..ac5648af 100644
--- a/lib/Models/Project/ChargeType.php
+++ b/lib/Models/Project/ChargeType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Project/CurrencyCode.php b/lib/Models/Project/CurrencyCode.php
index c4650ed7..a3cebe4a 100644
--- a/lib/Models/Project/CurrencyCode.php
+++ b/lib/Models/Project/CurrencyCode.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Project/Error.php b/lib/Models/Project/Error.php
index d14a28ef..926d53b4 100644
--- a/lib/Models/Project/Error.php
+++ b/lib/Models/Project/Error.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class Error implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'message' => 'string''model_state' => 'object'
+        'message' => 'string',
+        'model_state' => 'object'
     ];
 
     /**
@@ -67,7 +68,8 @@ class Error implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'message' => null'model_state' => null
+        'message' => null,
+        'model_state' => null
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'message' => 'message''model_state' => 'modelState'
+        'message' => 'message',
+        'model_state' => 'modelState'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'message' => 'setMessage''model_state' => 'setModelState'
+        'message' => 'setMessage',
+        'model_state' => 'setModelState'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'message' => 'getMessage''model_state' => 'getModelState'
+        'message' => 'getMessage',
+        'model_state' => 'getModelState'
     ];
 
     /**
diff --git a/lib/Models/Project/ModelInterface.php b/lib/Models/Project/ModelInterface.php
index 38261eda..ed8b4367 100644
--- a/lib/Models/Project/ModelInterface.php
+++ b/lib/Models/Project/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Project/Pagination.php b/lib/Models/Project/Pagination.php
index 6f8c82b1..5f799e19 100644
--- a/lib/Models/Project/Pagination.php
+++ b/lib/Models/Project/Pagination.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class Pagination implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'page' => 'int''page_size' => 'int''page_count' => 'int''item_count' => 'int'
+        'page' => 'int',
+        'page_size' => 'int',
+        'page_count' => 'int',
+        'item_count' => 'int'
     ];
 
     /**
@@ -67,7 +70,10 @@ class Pagination implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'page' => null'page_size' => null'page_count' => null'item_count' => null
+        'page' => null,
+        'page_size' => null,
+        'page_count' => null,
+        'item_count' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'page' => 'page''page_size' => 'pageSize''page_count' => 'pageCount''item_count' => 'itemCount'
+        'page' => 'page',
+        'page_size' => 'pageSize',
+        'page_count' => 'pageCount',
+        'item_count' => 'itemCount'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'page' => 'setPage''page_size' => 'setPageSize''page_count' => 'setPageCount''item_count' => 'setItemCount'
+        'page' => 'setPage',
+        'page_size' => 'setPageSize',
+        'page_count' => 'setPageCount',
+        'item_count' => 'setItemCount'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'page' => 'getPage''page_size' => 'getPageSize''page_count' => 'getPageCount''item_count' => 'getItemCount'
+        'page' => 'getPage',
+        'page_size' => 'getPageSize',
+        'page_count' => 'getPageCount',
+        'item_count' => 'getItemCount'
     ];
 
     /**
diff --git a/lib/Models/Project/Project.php b/lib/Models/Project/Project.php
index 2e25299f..d7dd764c 100644
--- a/lib/Models/Project/Project.php
+++ b/lib/Models/Project/Project.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,28 @@ class Project implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'project_id' => 'string''contact_id' => 'string''name' => 'string''currency_code' => '\XeroAPI\XeroPHP\Models\Project\CurrencyCode''minutes_logged' => 'int''total_task_amount' => '\XeroAPI\XeroPHP\Models\Project\Amount''total_expense_amount' => '\XeroAPI\XeroPHP\Models\Project\Amount''estimate_amount' => '\XeroAPI\XeroPHP\Models\Project\Amount''minutes_to_be_invoiced' => 'int''task_amount_to_be_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount''task_amount_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount''expense_amount_to_be_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount''expense_amount_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount''project_amount_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount''deposit' => '\XeroAPI\XeroPHP\Models\Project\Amount''deposit_applied' => '\XeroAPI\XeroPHP\Models\Project\Amount''credit_note_amount' => '\XeroAPI\XeroPHP\Models\Project\Amount''deadline_utc' => '\DateTime''total_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount''total_to_be_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount''estimate' => '\XeroAPI\XeroPHP\Models\Project\Amount''status' => '\XeroAPI\XeroPHP\Models\Project\ProjectStatus'
+        'project_id' => 'string',
+        'contact_id' => 'string',
+        'name' => 'string',
+        'currency_code' => '\XeroAPI\XeroPHP\Models\Project\CurrencyCode',
+        'minutes_logged' => 'int',
+        'total_task_amount' => '\XeroAPI\XeroPHP\Models\Project\Amount',
+        'total_expense_amount' => '\XeroAPI\XeroPHP\Models\Project\Amount',
+        'estimate_amount' => '\XeroAPI\XeroPHP\Models\Project\Amount',
+        'minutes_to_be_invoiced' => 'int',
+        'task_amount_to_be_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount',
+        'task_amount_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount',
+        'expense_amount_to_be_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount',
+        'expense_amount_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount',
+        'project_amount_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount',
+        'deposit' => '\XeroAPI\XeroPHP\Models\Project\Amount',
+        'deposit_applied' => '\XeroAPI\XeroPHP\Models\Project\Amount',
+        'credit_note_amount' => '\XeroAPI\XeroPHP\Models\Project\Amount',
+        'deadline_utc' => '\DateTime',
+        'total_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount',
+        'total_to_be_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount',
+        'estimate' => '\XeroAPI\XeroPHP\Models\Project\Amount',
+        'status' => '\XeroAPI\XeroPHP\Models\Project\ProjectStatus'
     ];
 
     /**
@@ -67,7 +88,28 @@ class Project implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'project_id' => 'uuid''contact_id' => 'uuid''name' => null'currency_code' => null'minutes_logged' => null'total_task_amount' => null'total_expense_amount' => null'estimate_amount' => null'minutes_to_be_invoiced' => null'task_amount_to_be_invoiced' => null'task_amount_invoiced' => null'expense_amount_to_be_invoiced' => null'expense_amount_invoiced' => null'project_amount_invoiced' => null'deposit' => null'deposit_applied' => null'credit_note_amount' => null'deadline_utc' => 'date-time''total_invoiced' => null'total_to_be_invoiced' => null'estimate' => null'status' => null
+        'project_id' => 'uuid',
+        'contact_id' => 'uuid',
+        'name' => null,
+        'currency_code' => null,
+        'minutes_logged' => null,
+        'total_task_amount' => null,
+        'total_expense_amount' => null,
+        'estimate_amount' => null,
+        'minutes_to_be_invoiced' => null,
+        'task_amount_to_be_invoiced' => null,
+        'task_amount_invoiced' => null,
+        'expense_amount_to_be_invoiced' => null,
+        'expense_amount_invoiced' => null,
+        'project_amount_invoiced' => null,
+        'deposit' => null,
+        'deposit_applied' => null,
+        'credit_note_amount' => null,
+        'deadline_utc' => 'date-time',
+        'total_invoiced' => null,
+        'total_to_be_invoiced' => null,
+        'estimate' => null,
+        'status' => null
     ];
 
     /**
@@ -97,7 +139,28 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'project_id' => 'projectId''contact_id' => 'contactId''name' => 'name''currency_code' => 'currencyCode''minutes_logged' => 'minutesLogged''total_task_amount' => 'totalTaskAmount''total_expense_amount' => 'totalExpenseAmount''estimate_amount' => 'estimateAmount''minutes_to_be_invoiced' => 'minutesToBeInvoiced''task_amount_to_be_invoiced' => 'taskAmountToBeInvoiced''task_amount_invoiced' => 'taskAmountInvoiced''expense_amount_to_be_invoiced' => 'expenseAmountToBeInvoiced''expense_amount_invoiced' => 'expenseAmountInvoiced''project_amount_invoiced' => 'projectAmountInvoiced''deposit' => 'deposit''deposit_applied' => 'depositApplied''credit_note_amount' => 'creditNoteAmount''deadline_utc' => 'deadlineUtc''total_invoiced' => 'totalInvoiced''total_to_be_invoiced' => 'totalToBeInvoiced''estimate' => 'estimate''status' => 'status'
+        'project_id' => 'projectId',
+        'contact_id' => 'contactId',
+        'name' => 'name',
+        'currency_code' => 'currencyCode',
+        'minutes_logged' => 'minutesLogged',
+        'total_task_amount' => 'totalTaskAmount',
+        'total_expense_amount' => 'totalExpenseAmount',
+        'estimate_amount' => 'estimateAmount',
+        'minutes_to_be_invoiced' => 'minutesToBeInvoiced',
+        'task_amount_to_be_invoiced' => 'taskAmountToBeInvoiced',
+        'task_amount_invoiced' => 'taskAmountInvoiced',
+        'expense_amount_to_be_invoiced' => 'expenseAmountToBeInvoiced',
+        'expense_amount_invoiced' => 'expenseAmountInvoiced',
+        'project_amount_invoiced' => 'projectAmountInvoiced',
+        'deposit' => 'deposit',
+        'deposit_applied' => 'depositApplied',
+        'credit_note_amount' => 'creditNoteAmount',
+        'deadline_utc' => 'deadlineUtc',
+        'total_invoiced' => 'totalInvoiced',
+        'total_to_be_invoiced' => 'totalToBeInvoiced',
+        'estimate' => 'estimate',
+        'status' => 'status'
     ];
 
     /**
@@ -106,7 +169,28 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'project_id' => 'setProjectId''contact_id' => 'setContactId''name' => 'setName''currency_code' => 'setCurrencyCode''minutes_logged' => 'setMinutesLogged''total_task_amount' => 'setTotalTaskAmount''total_expense_amount' => 'setTotalExpenseAmount''estimate_amount' => 'setEstimateAmount''minutes_to_be_invoiced' => 'setMinutesToBeInvoiced''task_amount_to_be_invoiced' => 'setTaskAmountToBeInvoiced''task_amount_invoiced' => 'setTaskAmountInvoiced''expense_amount_to_be_invoiced' => 'setExpenseAmountToBeInvoiced''expense_amount_invoiced' => 'setExpenseAmountInvoiced''project_amount_invoiced' => 'setProjectAmountInvoiced''deposit' => 'setDeposit''deposit_applied' => 'setDepositApplied''credit_note_amount' => 'setCreditNoteAmount''deadline_utc' => 'setDeadlineUtc''total_invoiced' => 'setTotalInvoiced''total_to_be_invoiced' => 'setTotalToBeInvoiced''estimate' => 'setEstimate''status' => 'setStatus'
+        'project_id' => 'setProjectId',
+        'contact_id' => 'setContactId',
+        'name' => 'setName',
+        'currency_code' => 'setCurrencyCode',
+        'minutes_logged' => 'setMinutesLogged',
+        'total_task_amount' => 'setTotalTaskAmount',
+        'total_expense_amount' => 'setTotalExpenseAmount',
+        'estimate_amount' => 'setEstimateAmount',
+        'minutes_to_be_invoiced' => 'setMinutesToBeInvoiced',
+        'task_amount_to_be_invoiced' => 'setTaskAmountToBeInvoiced',
+        'task_amount_invoiced' => 'setTaskAmountInvoiced',
+        'expense_amount_to_be_invoiced' => 'setExpenseAmountToBeInvoiced',
+        'expense_amount_invoiced' => 'setExpenseAmountInvoiced',
+        'project_amount_invoiced' => 'setProjectAmountInvoiced',
+        'deposit' => 'setDeposit',
+        'deposit_applied' => 'setDepositApplied',
+        'credit_note_amount' => 'setCreditNoteAmount',
+        'deadline_utc' => 'setDeadlineUtc',
+        'total_invoiced' => 'setTotalInvoiced',
+        'total_to_be_invoiced' => 'setTotalToBeInvoiced',
+        'estimate' => 'setEstimate',
+        'status' => 'setStatus'
     ];
 
     /**
@@ -115,7 +199,28 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'project_id' => 'getProjectId''contact_id' => 'getContactId''name' => 'getName''currency_code' => 'getCurrencyCode''minutes_logged' => 'getMinutesLogged''total_task_amount' => 'getTotalTaskAmount''total_expense_amount' => 'getTotalExpenseAmount''estimate_amount' => 'getEstimateAmount''minutes_to_be_invoiced' => 'getMinutesToBeInvoiced''task_amount_to_be_invoiced' => 'getTaskAmountToBeInvoiced''task_amount_invoiced' => 'getTaskAmountInvoiced''expense_amount_to_be_invoiced' => 'getExpenseAmountToBeInvoiced''expense_amount_invoiced' => 'getExpenseAmountInvoiced''project_amount_invoiced' => 'getProjectAmountInvoiced''deposit' => 'getDeposit''deposit_applied' => 'getDepositApplied''credit_note_amount' => 'getCreditNoteAmount''deadline_utc' => 'getDeadlineUtc''total_invoiced' => 'getTotalInvoiced''total_to_be_invoiced' => 'getTotalToBeInvoiced''estimate' => 'getEstimate''status' => 'getStatus'
+        'project_id' => 'getProjectId',
+        'contact_id' => 'getContactId',
+        'name' => 'getName',
+        'currency_code' => 'getCurrencyCode',
+        'minutes_logged' => 'getMinutesLogged',
+        'total_task_amount' => 'getTotalTaskAmount',
+        'total_expense_amount' => 'getTotalExpenseAmount',
+        'estimate_amount' => 'getEstimateAmount',
+        'minutes_to_be_invoiced' => 'getMinutesToBeInvoiced',
+        'task_amount_to_be_invoiced' => 'getTaskAmountToBeInvoiced',
+        'task_amount_invoiced' => 'getTaskAmountInvoiced',
+        'expense_amount_to_be_invoiced' => 'getExpenseAmountToBeInvoiced',
+        'expense_amount_invoiced' => 'getExpenseAmountInvoiced',
+        'project_amount_invoiced' => 'getProjectAmountInvoiced',
+        'deposit' => 'getDeposit',
+        'deposit_applied' => 'getDepositApplied',
+        'credit_note_amount' => 'getCreditNoteAmount',
+        'deadline_utc' => 'getDeadlineUtc',
+        'total_invoiced' => 'getTotalInvoiced',
+        'total_to_be_invoiced' => 'getTotalToBeInvoiced',
+        'estimate' => 'getEstimate',
+        'status' => 'getStatus'
     ];
 
     /**
diff --git a/lib/Models/Project/ProjectCreateOrUpdate.php b/lib/Models/Project/ProjectCreateOrUpdate.php
index a39c263c..a11695a5 100644
--- a/lib/Models/Project/ProjectCreateOrUpdate.php
+++ b/lib/Models/Project/ProjectCreateOrUpdate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class ProjectCreateOrUpdate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'contact_id' => 'string''name' => 'string''estimate_amount' => 'double''deadline_utc' => '\DateTime'
+        'contact_id' => 'string',
+        'name' => 'string',
+        'estimate_amount' => 'double',
+        'deadline_utc' => '\DateTime'
     ];
 
     /**
@@ -67,7 +70,10 @@ class ProjectCreateOrUpdate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'contact_id' => 'uuid''name' => null'estimate_amount' => 'double''deadline_utc' => 'date-time'
+        'contact_id' => 'uuid',
+        'name' => null,
+        'estimate_amount' => 'double',
+        'deadline_utc' => 'date-time'
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'contact_id' => 'contactId''name' => 'name''estimate_amount' => 'estimateAmount''deadline_utc' => 'deadlineUtc'
+        'contact_id' => 'contactId',
+        'name' => 'name',
+        'estimate_amount' => 'estimateAmount',
+        'deadline_utc' => 'deadlineUtc'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'contact_id' => 'setContactId''name' => 'setName''estimate_amount' => 'setEstimateAmount''deadline_utc' => 'setDeadlineUtc'
+        'contact_id' => 'setContactId',
+        'name' => 'setName',
+        'estimate_amount' => 'setEstimateAmount',
+        'deadline_utc' => 'setDeadlineUtc'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'contact_id' => 'getContactId''name' => 'getName''estimate_amount' => 'getEstimateAmount''deadline_utc' => 'getDeadlineUtc'
+        'contact_id' => 'getContactId',
+        'name' => 'getName',
+        'estimate_amount' => 'getEstimateAmount',
+        'deadline_utc' => 'getDeadlineUtc'
     ];
 
     /**
diff --git a/lib/Models/Project/ProjectPatch.php b/lib/Models/Project/ProjectPatch.php
index b3c50ce2..0c35d991 100644
--- a/lib/Models/Project/ProjectPatch.php
+++ b/lib/Models/Project/ProjectPatch.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Project/ProjectStatus.php b/lib/Models/Project/ProjectStatus.php
index 4c6cc76b..3e29488f 100644
--- a/lib/Models/Project/ProjectStatus.php
+++ b/lib/Models/Project/ProjectStatus.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
diff --git a/lib/Models/Project/ProjectUser.php b/lib/Models/Project/ProjectUser.php
index 840cdfa3..580d076d 100644
--- a/lib/Models/Project/ProjectUser.php
+++ b/lib/Models/Project/ProjectUser.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,9 @@ class ProjectUser implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'user_id' => 'string''name' => 'string''email' => 'string'
+        'user_id' => 'string',
+        'name' => 'string',
+        'email' => 'string'
     ];
 
     /**
@@ -67,7 +69,9 @@ class ProjectUser implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'user_id' => 'uuid''name' => null'email' => null
+        'user_id' => 'uuid',
+        'name' => null,
+        'email' => null
     ];
 
     /**
@@ -97,7 +101,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'user_id' => 'userId''name' => 'name''email' => 'email'
+        'user_id' => 'userId',
+        'name' => 'name',
+        'email' => 'email'
     ];
 
     /**
@@ -106,7 +112,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'user_id' => 'setUserId''name' => 'setName''email' => 'setEmail'
+        'user_id' => 'setUserId',
+        'name' => 'setName',
+        'email' => 'setEmail'
     ];
 
     /**
@@ -115,7 +123,9 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'user_id' => 'getUserId''name' => 'getName''email' => 'getEmail'
+        'user_id' => 'getUserId',
+        'name' => 'getName',
+        'email' => 'getEmail'
     ];
 
     /**
diff --git a/lib/Models/Project/ProjectUsers.php b/lib/Models/Project/ProjectUsers.php
index a36aab56..d5c93bab 100644
--- a/lib/Models/Project/ProjectUsers.php
+++ b/lib/Models/Project/ProjectUsers.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class ProjectUsers implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\Project\Pagination''items' => '\XeroAPI\XeroPHP\Models\Project\ProjectUser[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\Project\Pagination',
+        'items' => '\XeroAPI\XeroPHP\Models\Project\ProjectUser[]'
     ];
 
     /**
@@ -67,7 +68,8 @@ class ProjectUsers implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'items' => null
+        'pagination' => null,
+        'items' => null
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''items' => 'items'
+        'pagination' => 'pagination',
+        'items' => 'items'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''items' => 'setItems'
+        'pagination' => 'setPagination',
+        'items' => 'setItems'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''items' => 'getItems'
+        'pagination' => 'getPagination',
+        'items' => 'getItems'
     ];
 
     /**
diff --git a/lib/Models/Project/Projects.php b/lib/Models/Project/Projects.php
index fb400ddc..affd4c8a 100644
--- a/lib/Models/Project/Projects.php
+++ b/lib/Models/Project/Projects.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class Projects implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\Project\Pagination''items' => '\XeroAPI\XeroPHP\Models\Project\Project[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\Project\Pagination',
+        'items' => '\XeroAPI\XeroPHP\Models\Project\Project[]'
     ];
 
     /**
@@ -67,7 +68,8 @@ class Projects implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'items' => null
+        'pagination' => null,
+        'items' => null
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''items' => 'items'
+        'pagination' => 'pagination',
+        'items' => 'items'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''items' => 'setItems'
+        'pagination' => 'setPagination',
+        'items' => 'setItems'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''items' => 'getItems'
+        'pagination' => 'getPagination',
+        'items' => 'getItems'
     ];
 
     /**
diff --git a/lib/Models/Project/Task.php b/lib/Models/Project/Task.php
index fb684c18..44cf8d1d 100644
--- a/lib/Models/Project/Task.php
+++ b/lib/Models/Project/Task.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,21 @@ class Task implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'task_id' => 'string''name' => 'string''rate' => '\XeroAPI\XeroPHP\Models\Project\Amount''charge_type' => '\XeroAPI\XeroPHP\Models\Project\ChargeType''estimate_minutes' => 'double''project_id' => 'string''total_minutes' => 'double''total_amount' => '\XeroAPI\XeroPHP\Models\Project\Amount''minutes_invoiced' => 'double''minutes_to_be_invoiced' => 'double''fixed_minutes' => 'double''non_chargeable_minutes' => 'double''amount_to_be_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount''amount_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount''status' => 'string'
+        'task_id' => 'string',
+        'name' => 'string',
+        'rate' => '\XeroAPI\XeroPHP\Models\Project\Amount',
+        'charge_type' => '\XeroAPI\XeroPHP\Models\Project\ChargeType',
+        'estimate_minutes' => 'double',
+        'project_id' => 'string',
+        'total_minutes' => 'double',
+        'total_amount' => '\XeroAPI\XeroPHP\Models\Project\Amount',
+        'minutes_invoiced' => 'double',
+        'minutes_to_be_invoiced' => 'double',
+        'fixed_minutes' => 'double',
+        'non_chargeable_minutes' => 'double',
+        'amount_to_be_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount',
+        'amount_invoiced' => '\XeroAPI\XeroPHP\Models\Project\Amount',
+        'status' => 'string'
     ];
 
     /**
@@ -67,7 +81,21 @@ class Task implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'task_id' => 'uuid''name' => null'rate' => null'charge_type' => null'estimate_minutes' => 'double''project_id' => 'uuid''total_minutes' => 'double''total_amount' => null'minutes_invoiced' => 'double''minutes_to_be_invoiced' => 'double''fixed_minutes' => 'double''non_chargeable_minutes' => 'double''amount_to_be_invoiced' => null'amount_invoiced' => null'status' => null
+        'task_id' => 'uuid',
+        'name' => null,
+        'rate' => null,
+        'charge_type' => null,
+        'estimate_minutes' => 'double',
+        'project_id' => 'uuid',
+        'total_minutes' => 'double',
+        'total_amount' => null,
+        'minutes_invoiced' => 'double',
+        'minutes_to_be_invoiced' => 'double',
+        'fixed_minutes' => 'double',
+        'non_chargeable_minutes' => 'double',
+        'amount_to_be_invoiced' => null,
+        'amount_invoiced' => null,
+        'status' => null
     ];
 
     /**
@@ -97,7 +125,21 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'task_id' => 'taskId''name' => 'name''rate' => 'rate''charge_type' => 'chargeType''estimate_minutes' => 'estimateMinutes''project_id' => 'projectId''total_minutes' => 'totalMinutes''total_amount' => 'totalAmount''minutes_invoiced' => 'minutesInvoiced''minutes_to_be_invoiced' => 'minutesToBeInvoiced''fixed_minutes' => 'fixedMinutes''non_chargeable_minutes' => 'nonChargeableMinutes''amount_to_be_invoiced' => 'amountToBeInvoiced''amount_invoiced' => 'amountInvoiced''status' => 'status'
+        'task_id' => 'taskId',
+        'name' => 'name',
+        'rate' => 'rate',
+        'charge_type' => 'chargeType',
+        'estimate_minutes' => 'estimateMinutes',
+        'project_id' => 'projectId',
+        'total_minutes' => 'totalMinutes',
+        'total_amount' => 'totalAmount',
+        'minutes_invoiced' => 'minutesInvoiced',
+        'minutes_to_be_invoiced' => 'minutesToBeInvoiced',
+        'fixed_minutes' => 'fixedMinutes',
+        'non_chargeable_minutes' => 'nonChargeableMinutes',
+        'amount_to_be_invoiced' => 'amountToBeInvoiced',
+        'amount_invoiced' => 'amountInvoiced',
+        'status' => 'status'
     ];
 
     /**
@@ -106,7 +148,21 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'task_id' => 'setTaskId''name' => 'setName''rate' => 'setRate''charge_type' => 'setChargeType''estimate_minutes' => 'setEstimateMinutes''project_id' => 'setProjectId''total_minutes' => 'setTotalMinutes''total_amount' => 'setTotalAmount''minutes_invoiced' => 'setMinutesInvoiced''minutes_to_be_invoiced' => 'setMinutesToBeInvoiced''fixed_minutes' => 'setFixedMinutes''non_chargeable_minutes' => 'setNonChargeableMinutes''amount_to_be_invoiced' => 'setAmountToBeInvoiced''amount_invoiced' => 'setAmountInvoiced''status' => 'setStatus'
+        'task_id' => 'setTaskId',
+        'name' => 'setName',
+        'rate' => 'setRate',
+        'charge_type' => 'setChargeType',
+        'estimate_minutes' => 'setEstimateMinutes',
+        'project_id' => 'setProjectId',
+        'total_minutes' => 'setTotalMinutes',
+        'total_amount' => 'setTotalAmount',
+        'minutes_invoiced' => 'setMinutesInvoiced',
+        'minutes_to_be_invoiced' => 'setMinutesToBeInvoiced',
+        'fixed_minutes' => 'setFixedMinutes',
+        'non_chargeable_minutes' => 'setNonChargeableMinutes',
+        'amount_to_be_invoiced' => 'setAmountToBeInvoiced',
+        'amount_invoiced' => 'setAmountInvoiced',
+        'status' => 'setStatus'
     ];
 
     /**
@@ -115,7 +171,21 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'task_id' => 'getTaskId''name' => 'getName''rate' => 'getRate''charge_type' => 'getChargeType''estimate_minutes' => 'getEstimateMinutes''project_id' => 'getProjectId''total_minutes' => 'getTotalMinutes''total_amount' => 'getTotalAmount''minutes_invoiced' => 'getMinutesInvoiced''minutes_to_be_invoiced' => 'getMinutesToBeInvoiced''fixed_minutes' => 'getFixedMinutes''non_chargeable_minutes' => 'getNonChargeableMinutes''amount_to_be_invoiced' => 'getAmountToBeInvoiced''amount_invoiced' => 'getAmountInvoiced''status' => 'getStatus'
+        'task_id' => 'getTaskId',
+        'name' => 'getName',
+        'rate' => 'getRate',
+        'charge_type' => 'getChargeType',
+        'estimate_minutes' => 'getEstimateMinutes',
+        'project_id' => 'getProjectId',
+        'total_minutes' => 'getTotalMinutes',
+        'total_amount' => 'getTotalAmount',
+        'minutes_invoiced' => 'getMinutesInvoiced',
+        'minutes_to_be_invoiced' => 'getMinutesToBeInvoiced',
+        'fixed_minutes' => 'getFixedMinutes',
+        'non_chargeable_minutes' => 'getNonChargeableMinutes',
+        'amount_to_be_invoiced' => 'getAmountToBeInvoiced',
+        'amount_invoiced' => 'getAmountInvoiced',
+        'status' => 'getStatus'
     ];
 
     /**
diff --git a/lib/Models/Project/TaskCreateOrUpdate.php b/lib/Models/Project/TaskCreateOrUpdate.php
index a26567d7..0734278c 100644
--- a/lib/Models/Project/TaskCreateOrUpdate.php
+++ b/lib/Models/Project/TaskCreateOrUpdate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,10 @@ class TaskCreateOrUpdate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'name' => 'string''rate' => '\XeroAPI\XeroPHP\Models\Project\Amount''charge_type' => '\XeroAPI\XeroPHP\Models\Project\ChargeType''estimate_minutes' => 'int'
+        'name' => 'string',
+        'rate' => '\XeroAPI\XeroPHP\Models\Project\Amount',
+        'charge_type' => '\XeroAPI\XeroPHP\Models\Project\ChargeType',
+        'estimate_minutes' => 'int'
     ];
 
     /**
@@ -67,7 +70,10 @@ class TaskCreateOrUpdate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'name' => null'rate' => null'charge_type' => null'estimate_minutes' => null
+        'name' => null,
+        'rate' => null,
+        'charge_type' => null,
+        'estimate_minutes' => null
     ];
 
     /**
@@ -97,7 +103,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'name' => 'name''rate' => 'rate''charge_type' => 'chargeType''estimate_minutes' => 'estimateMinutes'
+        'name' => 'name',
+        'rate' => 'rate',
+        'charge_type' => 'chargeType',
+        'estimate_minutes' => 'estimateMinutes'
     ];
 
     /**
@@ -106,7 +115,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'name' => 'setName''rate' => 'setRate''charge_type' => 'setChargeType''estimate_minutes' => 'setEstimateMinutes'
+        'name' => 'setName',
+        'rate' => 'setRate',
+        'charge_type' => 'setChargeType',
+        'estimate_minutes' => 'setEstimateMinutes'
     ];
 
     /**
@@ -115,7 +127,10 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'name' => 'getName''rate' => 'getRate''charge_type' => 'getChargeType''estimate_minutes' => 'getEstimateMinutes'
+        'name' => 'getName',
+        'rate' => 'getRate',
+        'charge_type' => 'getChargeType',
+        'estimate_minutes' => 'getEstimateMinutes'
     ];
 
     /**
@@ -237,8 +252,6 @@ public function getName()
     public function setName($name)
     {
 
-
-
         $this->container['name'] = $name;
 
         return $this;
diff --git a/lib/Models/Project/Tasks.php b/lib/Models/Project/Tasks.php
index f741b445..617d584d 100644
--- a/lib/Models/Project/Tasks.php
+++ b/lib/Models/Project/Tasks.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class Tasks implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\Project\Pagination''items' => '\XeroAPI\XeroPHP\Models\Project\Task[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\Project\Pagination',
+        'items' => '\XeroAPI\XeroPHP\Models\Project\Task[]'
     ];
 
     /**
@@ -67,7 +68,8 @@ class Tasks implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'items' => null
+        'pagination' => null,
+        'items' => null
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''items' => 'items'
+        'pagination' => 'pagination',
+        'items' => 'items'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''items' => 'setItems'
+        'pagination' => 'setPagination',
+        'items' => 'setItems'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''items' => 'getItems'
+        'pagination' => 'getPagination',
+        'items' => 'getItems'
     ];
 
     /**
diff --git a/lib/Models/Project/TimeEntries.php b/lib/Models/Project/TimeEntries.php
index b4404d8d..cded14af 100644
--- a/lib/Models/Project/TimeEntries.php
+++ b/lib/Models/Project/TimeEntries.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,8 @@ class TimeEntries implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'pagination' => '\XeroAPI\XeroPHP\Models\Project\Pagination''items' => '\XeroAPI\XeroPHP\Models\Project\TimeEntry[]'
+        'pagination' => '\XeroAPI\XeroPHP\Models\Project\Pagination',
+        'items' => '\XeroAPI\XeroPHP\Models\Project\TimeEntry[]'
     ];
 
     /**
@@ -67,7 +68,8 @@ class TimeEntries implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'pagination' => null'items' => null
+        'pagination' => null,
+        'items' => null
     ];
 
     /**
@@ -97,7 +99,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'pagination' => 'pagination''items' => 'items'
+        'pagination' => 'pagination',
+        'items' => 'items'
     ];
 
     /**
@@ -106,7 +109,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'pagination' => 'setPagination''items' => 'setItems'
+        'pagination' => 'setPagination',
+        'items' => 'setItems'
     ];
 
     /**
@@ -115,7 +119,8 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'pagination' => 'getPagination''items' => 'getItems'
+        'pagination' => 'getPagination',
+        'items' => 'getItems'
     ];
 
     /**
diff --git a/lib/Models/Project/TimeEntry.php b/lib/Models/Project/TimeEntry.php
index 2ad38f6a..943e1e46 100644
--- a/lib/Models/Project/TimeEntry.php
+++ b/lib/Models/Project/TimeEntry.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,15 @@ class TimeEntry implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'time_entry_id' => 'string''user_id' => 'string''project_id' => 'string''task_id' => 'string''date_utc' => '\DateTime''date_entered_utc' => '\DateTime''duration' => 'int''description' => 'string''status' => 'string'
+        'time_entry_id' => 'string',
+        'user_id' => 'string',
+        'project_id' => 'string',
+        'task_id' => 'string',
+        'date_utc' => '\DateTime',
+        'date_entered_utc' => '\DateTime',
+        'duration' => 'int',
+        'description' => 'string',
+        'status' => 'string'
     ];
 
     /**
@@ -67,7 +75,15 @@ class TimeEntry implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'time_entry_id' => 'uuid''user_id' => 'uuid''project_id' => 'uuid''task_id' => 'uuid''date_utc' => 'date-time''date_entered_utc' => 'date-time''duration' => null'description' => null'status' => null
+        'time_entry_id' => 'uuid',
+        'user_id' => 'uuid',
+        'project_id' => 'uuid',
+        'task_id' => 'uuid',
+        'date_utc' => 'date-time',
+        'date_entered_utc' => 'date-time',
+        'duration' => null,
+        'description' => null,
+        'status' => null
     ];
 
     /**
@@ -97,7 +113,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'time_entry_id' => 'timeEntryId''user_id' => 'userId''project_id' => 'projectId''task_id' => 'taskId''date_utc' => 'dateUtc''date_entered_utc' => 'dateEnteredUtc''duration' => 'duration''description' => 'description''status' => 'status'
+        'time_entry_id' => 'timeEntryId',
+        'user_id' => 'userId',
+        'project_id' => 'projectId',
+        'task_id' => 'taskId',
+        'date_utc' => 'dateUtc',
+        'date_entered_utc' => 'dateEnteredUtc',
+        'duration' => 'duration',
+        'description' => 'description',
+        'status' => 'status'
     ];
 
     /**
@@ -106,7 +130,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'time_entry_id' => 'setTimeEntryId''user_id' => 'setUserId''project_id' => 'setProjectId''task_id' => 'setTaskId''date_utc' => 'setDateUtc''date_entered_utc' => 'setDateEnteredUtc''duration' => 'setDuration''description' => 'setDescription''status' => 'setStatus'
+        'time_entry_id' => 'setTimeEntryId',
+        'user_id' => 'setUserId',
+        'project_id' => 'setProjectId',
+        'task_id' => 'setTaskId',
+        'date_utc' => 'setDateUtc',
+        'date_entered_utc' => 'setDateEnteredUtc',
+        'duration' => 'setDuration',
+        'description' => 'setDescription',
+        'status' => 'setStatus'
     ];
 
     /**
@@ -115,7 +147,15 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'time_entry_id' => 'getTimeEntryId''user_id' => 'getUserId''project_id' => 'getProjectId''task_id' => 'getTaskId''date_utc' => 'getDateUtc''date_entered_utc' => 'getDateEnteredUtc''duration' => 'getDuration''description' => 'getDescription''status' => 'getStatus'
+        'time_entry_id' => 'getTimeEntryId',
+        'user_id' => 'getUserId',
+        'project_id' => 'getProjectId',
+        'task_id' => 'getTaskId',
+        'date_utc' => 'getDateUtc',
+        'date_entered_utc' => 'getDateEnteredUtc',
+        'duration' => 'getDuration',
+        'description' => 'getDescription',
+        'status' => 'getStatus'
     ];
 
     /**
diff --git a/lib/Models/Project/TimeEntryCreateOrUpdate.php b/lib/Models/Project/TimeEntryCreateOrUpdate.php
index 373f40f3..cee02672 100644
--- a/lib/Models/Project/TimeEntryCreateOrUpdate.php
+++ b/lib/Models/Project/TimeEntryCreateOrUpdate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -58,7 +58,11 @@ class TimeEntryCreateOrUpdate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPITypes = [
-        'user_id' => 'string''task_id' => 'string''date_utc' => '\DateTime''duration' => 'int''description' => 'string'
+        'user_id' => 'string',
+        'task_id' => 'string',
+        'date_utc' => '\DateTime',
+        'duration' => 'int',
+        'description' => 'string'
     ];
 
     /**
@@ -67,7 +71,11 @@ class TimeEntryCreateOrUpdate implements ModelInterface, ArrayAccess
       * @var string[]
       */
     protected static $openAPIFormats = [
-        'user_id' => 'uuid''task_id' => 'uuid''date_utc' => 'date-time''duration' => null'description' => null
+        'user_id' => 'uuid',
+        'task_id' => 'uuid',
+        'date_utc' => 'date-time',
+        'duration' => null,
+        'description' => null
     ];
 
     /**
@@ -97,7 +105,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $attributeMap = [
-        'user_id' => 'userId''task_id' => 'taskId''date_utc' => 'dateUtc''duration' => 'duration''description' => 'description'
+        'user_id' => 'userId',
+        'task_id' => 'taskId',
+        'date_utc' => 'dateUtc',
+        'duration' => 'duration',
+        'description' => 'description'
     ];
 
     /**
@@ -106,7 +118,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $setters = [
-        'user_id' => 'setUserId''task_id' => 'setTaskId''date_utc' => 'setDateUtc''duration' => 'setDuration''description' => 'setDescription'
+        'user_id' => 'setUserId',
+        'task_id' => 'setTaskId',
+        'date_utc' => 'setDateUtc',
+        'duration' => 'setDuration',
+        'description' => 'setDescription'
     ];
 
     /**
@@ -115,7 +131,11 @@ public static function openAPIFormats()
      * @var string[]
      */
     protected static $getters = [
-        'user_id' => 'getUserId''task_id' => 'getTaskId''date_utc' => 'getDateUtc''duration' => 'getDuration''description' => 'getDescription'
+        'user_id' => 'getUserId',
+        'task_id' => 'getTaskId',
+        'date_utc' => 'getDateUtc',
+        'duration' => 'getDuration',
+        'description' => 'getDescription'
     ];
 
     /**
diff --git a/lib/PayrollAuObjectSerializer.php b/lib/PayrollAuObjectSerializer.php
index 8b6b05c2..e745afe4 100644
--- a/lib/PayrollAuObjectSerializer.php
+++ b/lib/PayrollAuObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {
diff --git a/lib/PayrollNzObjectSerializer.php b/lib/PayrollNzObjectSerializer.php
index 3f17a68f..d1dda1d6 100644
--- a/lib/PayrollNzObjectSerializer.php
+++ b/lib/PayrollNzObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {
diff --git a/lib/PayrollUkObjectSerializer.php b/lib/PayrollUkObjectSerializer.php
index a783de94..6a356833 100644
--- a/lib/PayrollUkObjectSerializer.php
+++ b/lib/PayrollUkObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {
diff --git a/lib/ProjectObjectSerializer.php b/lib/ProjectObjectSerializer.php
index 04cc5714..550a2618 100644
--- a/lib/ProjectObjectSerializer.php
+++ b/lib/ProjectObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.4.0
+ * OpenAPI Generator version: 4.3.1
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {

From 5dfafb18b966540b12982f976a922ff76b7f3495 Mon Sep 17 00:00:00 2001
From: Rett Behrens <rett@rettbehrens.codes>
Date: Fri, 15 Apr 2022 10:53:10 -0600
Subject: [PATCH 3/7] retry generating with openapi-generator-cli:v5.4.0

---
 lib/AccountingObjectSerializer.php            |   6 +-
 lib/Api/AccountingApi.php                     | 128 +++++++++---------
 lib/Api/AppStoreApi.php                       |   2 +-
 lib/Api/AssetApi.php                          |   2 +-
 lib/Api/FilesApi.php                          |   2 +-
 lib/Api/FinanceApi.php                        |   2 +-
 lib/Api/IdentityApi.php                       |   2 +-
 lib/Api/PayrollAuApi.php                      |   2 +-
 lib/Api/PayrollNzApi.php                      |   2 +-
 lib/Api/PayrollUkApi.php                      |   2 +-
 lib/Api/ProjectApi.php                        |   2 +-
 lib/AppStoreObjectSerializer.php              |   6 +-
 lib/AssetObjectSerializer.php                 |   6 +-
 lib/Configuration.php                         |   2 +-
 lib/FileObjectSerializer.php                  |   6 +-
 lib/FinanceObjectSerializer.php               |   6 +-
 lib/IdentityObjectSerializer.php              |   6 +-
 lib/Models/Accounting/Account.php             |   2 +-
 lib/Models/Accounting/AccountType.php         |   2 +-
 lib/Models/Accounting/Accounts.php            |   2 +-
 lib/Models/Accounting/AccountsPayable.php     |   2 +-
 lib/Models/Accounting/AccountsReceivable.php  |   2 +-
 lib/Models/Accounting/Action.php              |   2 +-
 lib/Models/Accounting/Actions.php             |   2 +-
 lib/Models/Accounting/Address.php             |   2 +-
 .../Accounting/AddressForOrganisation.php     |   2 +-
 lib/Models/Accounting/Allocation.php          |   2 +-
 lib/Models/Accounting/Allocations.php         |   2 +-
 lib/Models/Accounting/Attachment.php          |   2 +-
 lib/Models/Accounting/Attachments.php         |   2 +-
 lib/Models/Accounting/BalanceDetails.php      |   2 +-
 lib/Models/Accounting/Balances.php            |   2 +-
 lib/Models/Accounting/BankTransaction.php     |   2 +-
 lib/Models/Accounting/BankTransactions.php    |   2 +-
 lib/Models/Accounting/BankTransfer.php        |   2 +-
 lib/Models/Accounting/BankTransfers.php       |   2 +-
 lib/Models/Accounting/BatchPayment.php        |   2 +-
 lib/Models/Accounting/BatchPaymentDetails.php |   2 +-
 lib/Models/Accounting/BatchPayments.php       |   2 +-
 lib/Models/Accounting/Bill.php                |   2 +-
 lib/Models/Accounting/BrandingTheme.php       |   2 +-
 lib/Models/Accounting/BrandingThemes.php      |   2 +-
 lib/Models/Accounting/Budget.php              |   2 +-
 lib/Models/Accounting/BudgetBalance.php       |   2 +-
 lib/Models/Accounting/BudgetLine.php          |   2 +-
 lib/Models/Accounting/Budgets.php             |   2 +-
 lib/Models/Accounting/CISOrgSetting.php       |   2 +-
 lib/Models/Accounting/CISOrgSettings.php      |   2 +-
 lib/Models/Accounting/CISSetting.php          |   2 +-
 lib/Models/Accounting/CISSettings.php         |   2 +-
 lib/Models/Accounting/Contact.php             |   2 +-
 lib/Models/Accounting/ContactGroup.php        |   2 +-
 lib/Models/Accounting/ContactGroups.php       |   2 +-
 lib/Models/Accounting/ContactPerson.php       |   2 +-
 lib/Models/Accounting/Contacts.php            |   2 +-
 lib/Models/Accounting/ConversionBalances.php  |   2 +-
 lib/Models/Accounting/ConversionDate.php      |   2 +-
 lib/Models/Accounting/CountryCode.php         |   2 +-
 lib/Models/Accounting/CreditNote.php          |   2 +-
 lib/Models/Accounting/CreditNotes.php         |   2 +-
 lib/Models/Accounting/Currencies.php          |   2 +-
 lib/Models/Accounting/Currency.php            |   2 +-
 lib/Models/Accounting/CurrencyCode.php        |   2 +-
 lib/Models/Accounting/Element.php             |   2 +-
 lib/Models/Accounting/Employee.php            |   2 +-
 lib/Models/Accounting/Employees.php           |   2 +-
 lib/Models/Accounting/Error.php               |   2 +-
 lib/Models/Accounting/ExpenseClaim.php        |   2 +-
 lib/Models/Accounting/ExpenseClaims.php       |   2 +-
 lib/Models/Accounting/ExternalLink.php        |   2 +-
 lib/Models/Accounting/HistoryRecord.php       |   2 +-
 lib/Models/Accounting/HistoryRecords.php      |   2 +-
 lib/Models/Accounting/ImportSummary.php       |   2 +-
 .../Accounting/ImportSummaryAccounts.php      |   2 +-
 lib/Models/Accounting/ImportSummaryObject.php |   2 +-
 .../Accounting/ImportSummaryOrganisation.php  |   2 +-
 lib/Models/Accounting/Invoice.php             |   2 +-
 lib/Models/Accounting/InvoiceReminder.php     |   2 +-
 lib/Models/Accounting/InvoiceReminders.php    |   2 +-
 lib/Models/Accounting/Invoices.php            |   2 +-
 lib/Models/Accounting/Item.php                |   2 +-
 lib/Models/Accounting/Items.php               |   2 +-
 lib/Models/Accounting/Journal.php             |   2 +-
 lib/Models/Accounting/JournalLine.php         |   2 +-
 lib/Models/Accounting/Journals.php            |   2 +-
 lib/Models/Accounting/LineAmountTypes.php     |   2 +-
 lib/Models/Accounting/LineItem.php            |   2 +-
 lib/Models/Accounting/LineItemItem.php        |   2 +-
 lib/Models/Accounting/LineItemTracking.php    |   2 +-
 lib/Models/Accounting/LinkedTransaction.php   |   2 +-
 lib/Models/Accounting/LinkedTransactions.php  |   2 +-
 lib/Models/Accounting/ManualJournal.php       |   2 +-
 lib/Models/Accounting/ManualJournalLine.php   |   2 +-
 lib/Models/Accounting/ManualJournals.php      |   2 +-
 lib/Models/Accounting/ModelInterface.php      |   2 +-
 lib/Models/Accounting/OnlineInvoice.php       |   2 +-
 lib/Models/Accounting/OnlineInvoices.php      |   2 +-
 lib/Models/Accounting/Organisation.php        |   2 +-
 lib/Models/Accounting/Organisations.php       |   2 +-
 lib/Models/Accounting/Overpayment.php         |   2 +-
 lib/Models/Accounting/Overpayments.php        |   2 +-
 lib/Models/Accounting/Payment.php             |   2 +-
 lib/Models/Accounting/PaymentDelete.php       |   2 +-
 lib/Models/Accounting/PaymentService.php      |   2 +-
 lib/Models/Accounting/PaymentServices.php     |   2 +-
 lib/Models/Accounting/PaymentTerm.php         |   2 +-
 lib/Models/Accounting/PaymentTermType.php     |   2 +-
 lib/Models/Accounting/Payments.php            |   2 +-
 lib/Models/Accounting/Phone.php               |   2 +-
 lib/Models/Accounting/Prepayment.php          |   2 +-
 lib/Models/Accounting/Prepayments.php         |   2 +-
 lib/Models/Accounting/Purchase.php            |   2 +-
 lib/Models/Accounting/PurchaseOrder.php       |   2 +-
 lib/Models/Accounting/PurchaseOrders.php      |   2 +-
 lib/Models/Accounting/Quote.php               |   2 +-
 .../Accounting/QuoteLineAmountTypes.php       |   2 +-
 lib/Models/Accounting/QuoteStatusCodes.php    |   2 +-
 lib/Models/Accounting/Quotes.php              |   2 +-
 lib/Models/Accounting/Receipt.php             |   2 +-
 lib/Models/Accounting/Receipts.php            |   2 +-
 lib/Models/Accounting/RepeatingInvoice.php    |   2 +-
 lib/Models/Accounting/RepeatingInvoices.php   |   2 +-
 lib/Models/Accounting/Report.php              |   2 +-
 lib/Models/Accounting/ReportAttribute.php     |   2 +-
 lib/Models/Accounting/ReportCell.php          |   2 +-
 lib/Models/Accounting/ReportFields.php        |   2 +-
 lib/Models/Accounting/ReportRow.php           |   2 +-
 lib/Models/Accounting/ReportRows.php          |   2 +-
 lib/Models/Accounting/ReportWithRow.php       |   2 +-
 lib/Models/Accounting/ReportWithRows.php      |   2 +-
 lib/Models/Accounting/Reports.php             |   2 +-
 lib/Models/Accounting/RequestEmpty.php        |   2 +-
 lib/Models/Accounting/RowType.php             |   2 +-
 .../Accounting/SalesTrackingCategory.php      |   2 +-
 lib/Models/Accounting/Schedule.php            |   2 +-
 lib/Models/Accounting/Setup.php               |   2 +-
 lib/Models/Accounting/TaxComponent.php        |   2 +-
 lib/Models/Accounting/TaxRate.php             |   2 +-
 lib/Models/Accounting/TaxRates.php            |   2 +-
 lib/Models/Accounting/TaxType.php             |   2 +-
 .../Accounting/TenNinetyNineContact.php       |   2 +-
 lib/Models/Accounting/TimeZone.php            |   2 +-
 lib/Models/Accounting/TrackingCategories.php  |   2 +-
 lib/Models/Accounting/TrackingCategory.php    |   2 +-
 lib/Models/Accounting/TrackingOption.php      |   2 +-
 lib/Models/Accounting/TrackingOptions.php     |   2 +-
 lib/Models/Accounting/User.php                |   2 +-
 lib/Models/Accounting/Users.php               |   2 +-
 lib/Models/Accounting/ValidationError.php     |   2 +-
 lib/Models/AppStore/ModelInterface.php        |   2 +-
 lib/Models/AppStore/Plan.php                  |   2 +-
 lib/Models/AppStore/Price.php                 |   2 +-
 lib/Models/AppStore/ProblemDetails.php        |   2 +-
 lib/Models/AppStore/Product.php               |   2 +-
 lib/Models/AppStore/Subscription.php          |   2 +-
 lib/Models/AppStore/SubscriptionItem.php      |   2 +-
 lib/Models/Asset/Asset.php                    |   2 +-
 lib/Models/Asset/AssetStatus.php              |   2 +-
 lib/Models/Asset/AssetStatusQueryParam.php    |   2 +-
 lib/Models/Asset/AssetType.php                |   2 +-
 lib/Models/Asset/Assets.php                   |   2 +-
 lib/Models/Asset/BookDepreciationDetail.php   |   2 +-
 lib/Models/Asset/BookDepreciationSetting.php  |   2 +-
 lib/Models/Asset/Error.php                    |   2 +-
 .../Asset/FieldValidationErrorsElement.php    |   2 +-
 lib/Models/Asset/ModelInterface.php           |   2 +-
 lib/Models/Asset/Pagination.php               |   2 +-
 .../Asset/ResourceValidationErrorsElement.php |   2 +-
 lib/Models/Asset/Setting.php                  |   2 +-
 lib/Models/File/Association.php               |   2 +-
 lib/Models/File/FileObject.php                |   2 +-
 lib/Models/File/Files.php                     |   2 +-
 lib/Models/File/Folder.php                    |   2 +-
 lib/Models/File/Folders.php                   |   2 +-
 lib/Models/File/ModelInterface.php            |   2 +-
 lib/Models/File/ObjectGroup.php               |   2 +-
 lib/Models/File/ObjectType.php                |   2 +-
 lib/Models/File/User.php                      |   2 +-
 lib/Models/Finance/AccountUsage.php           |   2 +-
 lib/Models/Finance/AccountUsageResponse.php   |   2 +-
 .../Finance/BalanceSheetAccountDetail.php     |   2 +-
 .../Finance/BalanceSheetAccountGroup.php      |   2 +-
 .../Finance/BalanceSheetAccountType.php       |   2 +-
 lib/Models/Finance/BalanceSheetResponse.php   |   2 +-
 .../BankStatementAccountingResponse.php       |   2 +-
 lib/Models/Finance/BankStatementResponse.php  |   2 +-
 .../Finance/BankTransactionResponse.php       |   2 +-
 lib/Models/Finance/CashAccountResponse.php    |   2 +-
 lib/Models/Finance/CashBalance.php            |   2 +-
 lib/Models/Finance/CashValidationResponse.php |   2 +-
 lib/Models/Finance/CashflowAccount.php        |   2 +-
 lib/Models/Finance/CashflowActivity.php       |   2 +-
 lib/Models/Finance/CashflowResponse.php       |   2 +-
 lib/Models/Finance/CashflowType.php           |   2 +-
 lib/Models/Finance/ContactDetail.php          |   2 +-
 lib/Models/Finance/ContactResponse.php        |   2 +-
 lib/Models/Finance/ContactTotalDetail.php     |   2 +-
 lib/Models/Finance/ContactTotalOther.php      |   2 +-
 lib/Models/Finance/CreditNoteResponse.php     |   2 +-
 .../Finance/CurrentStatementResponse.php      |   2 +-
 lib/Models/Finance/DataSourceResponse.php     |   2 +-
 lib/Models/Finance/HistoryRecordResponse.php  |   2 +-
 .../Finance/IncomeByContactResponse.php       |   2 +-
 lib/Models/Finance/InvoiceResponse.php        |   2 +-
 lib/Models/Finance/LineItemResponse.php       |   2 +-
 lib/Models/Finance/LockHistoryModel.php       |   2 +-
 lib/Models/Finance/LockHistoryResponse.php    |   2 +-
 lib/Models/Finance/ManualJournalTotal.php     |   2 +-
 lib/Models/Finance/ModelInterface.php         |   2 +-
 lib/Models/Finance/OverpaymentResponse.php    |   2 +-
 lib/Models/Finance/PaymentResponse.php        |   2 +-
 lib/Models/Finance/PnlAccount.php             |   2 +-
 lib/Models/Finance/PnlAccountClass.php        |   2 +-
 lib/Models/Finance/PnlAccountType.php         |   2 +-
 lib/Models/Finance/PracticeResponse.php       |   2 +-
 lib/Models/Finance/PrepaymentResponse.php     |   2 +-
 lib/Models/Finance/Problem.php                |   2 +-
 lib/Models/Finance/ProblemType.php            |   2 +-
 lib/Models/Finance/ProfitAndLossResponse.php  |   2 +-
 lib/Models/Finance/ReportHistoryModel.php     |   2 +-
 lib/Models/Finance/ReportHistoryResponse.php  |   2 +-
 .../Finance/StatementBalanceResponse.php      |   2 +-
 lib/Models/Finance/StatementLineResponse.php  |   2 +-
 lib/Models/Finance/StatementLinesResponse.php |   2 +-
 lib/Models/Finance/StatementResponse.php      |   2 +-
 lib/Models/Finance/TotalDetail.php            |   2 +-
 lib/Models/Finance/TotalOther.php             |   2 +-
 lib/Models/Finance/TrialBalanceAccount.php    |   2 +-
 lib/Models/Finance/TrialBalanceEntry.php      |   2 +-
 lib/Models/Finance/TrialBalanceMovement.php   |   2 +-
 lib/Models/Finance/TrialBalanceResponse.php   |   2 +-
 lib/Models/Finance/UserActivitiesResponse.php |   2 +-
 lib/Models/Finance/UserResponse.php           |   2 +-
 lib/Models/Identity/AccessToken.php           |   2 +-
 lib/Models/Identity/Connection.php            |   2 +-
 lib/Models/Identity/ModelInterface.php        |   2 +-
 lib/Models/Identity/RefreshToken.php          |   2 +-
 lib/Models/PayrollAu/APIException.php         |   2 +-
 lib/Models/PayrollAu/Account.php              |   2 +-
 lib/Models/PayrollAu/AccountType.php          |   2 +-
 lib/Models/PayrollAu/AllowanceCategory.php    |   2 +-
 lib/Models/PayrollAu/AllowanceType.php        |   2 +-
 lib/Models/PayrollAu/BankAccount.php          |   2 +-
 lib/Models/PayrollAu/CalendarType.php         |   2 +-
 lib/Models/PayrollAu/DeductionLine.php        |   2 +-
 lib/Models/PayrollAu/DeductionType.php        |   2 +-
 .../DeductionTypeCalculationType.php          |   2 +-
 lib/Models/PayrollAu/EarningsLine.php         |   2 +-
 lib/Models/PayrollAu/EarningsRate.php         |   2 +-
 .../PayrollAu/EarningsRateCalculationType.php |   2 +-
 lib/Models/PayrollAu/EarningsType.php         |   2 +-
 lib/Models/PayrollAu/Employee.php             |   2 +-
 lib/Models/PayrollAu/EmployeeStatus.php       |   2 +-
 lib/Models/PayrollAu/Employees.php            |   2 +-
 lib/Models/PayrollAu/EmploymentBasis.php      |   2 +-
 .../EmploymentTerminationPaymentType.php      |   2 +-
 .../EntitlementFinalPayPayoutType.php         |   2 +-
 lib/Models/PayrollAu/HomeAddress.php          |   2 +-
 lib/Models/PayrollAu/LeaveAccrualLine.php     |   2 +-
 lib/Models/PayrollAu/LeaveApplication.php     |   2 +-
 lib/Models/PayrollAu/LeaveApplications.php    |   2 +-
 lib/Models/PayrollAu/LeaveBalance.php         |   2 +-
 lib/Models/PayrollAu/LeaveEarningsLine.php    |   2 +-
 lib/Models/PayrollAu/LeaveLine.php            |   2 +-
 .../PayrollAu/LeaveLineCalculationType.php    |   2 +-
 lib/Models/PayrollAu/LeaveLines.php           |   2 +-
 lib/Models/PayrollAu/LeavePeriod.php          |   2 +-
 lib/Models/PayrollAu/LeavePeriodStatus.php    |   2 +-
 lib/Models/PayrollAu/LeaveType.php            |   2 +-
 .../PayrollAu/LeaveTypeContributionType.php   |   2 +-
 lib/Models/PayrollAu/ManualTaxType.php        |   2 +-
 lib/Models/PayrollAu/ModelInterface.php       |   2 +-
 lib/Models/PayrollAu/OpeningBalances.php      |   2 +-
 lib/Models/PayrollAu/PayItem.php              |   2 +-
 lib/Models/PayrollAu/PayItems.php             |   2 +-
 lib/Models/PayrollAu/PayRun.php               |   2 +-
 lib/Models/PayrollAu/PayRunStatus.php         |   2 +-
 lib/Models/PayrollAu/PayRuns.php              |   2 +-
 lib/Models/PayrollAu/PayTemplate.php          |   2 +-
 lib/Models/PayrollAu/PaymentFrequencyType.php |   2 +-
 lib/Models/PayrollAu/PayrollCalendar.php      |   2 +-
 lib/Models/PayrollAu/PayrollCalendars.php     |   2 +-
 lib/Models/PayrollAu/Payslip.php              |   2 +-
 lib/Models/PayrollAu/PayslipLines.php         |   2 +-
 lib/Models/PayrollAu/PayslipObject.php        |   2 +-
 lib/Models/PayrollAu/PayslipSummary.php       |   2 +-
 lib/Models/PayrollAu/Payslips.php             |   2 +-
 lib/Models/PayrollAu/RateType.php             |   2 +-
 lib/Models/PayrollAu/ReimbursementLine.php    |   2 +-
 lib/Models/PayrollAu/ReimbursementLines.php   |   2 +-
 lib/Models/PayrollAu/ReimbursementType.php    |   2 +-
 lib/Models/PayrollAu/ResidencyStatus.php      |   2 +-
 lib/Models/PayrollAu/Settings.php             |   2 +-
 lib/Models/PayrollAu/SettingsObject.php       |   2 +-
 .../PayrollAu/SettingsTrackingCategories.php  |   2 +-
 ...ttingsTrackingCategoriesEmployeeGroups.php |   2 +-
 ...sTrackingCategoriesTimesheetCategories.php |   2 +-
 lib/Models/PayrollAu/State.php                |   2 +-
 lib/Models/PayrollAu/SuperFund.php            |   2 +-
 lib/Models/PayrollAu/SuperFundProduct.php     |   2 +-
 lib/Models/PayrollAu/SuperFundProducts.php    |   2 +-
 lib/Models/PayrollAu/SuperFundType.php        |   2 +-
 lib/Models/PayrollAu/SuperFunds.php           |   2 +-
 lib/Models/PayrollAu/SuperLine.php            |   2 +-
 lib/Models/PayrollAu/SuperMembership.php      |   2 +-
 .../SuperannuationCalculationType.php         |   2 +-
 .../SuperannuationContributionType.php        |   2 +-
 lib/Models/PayrollAu/SuperannuationLine.php   |   2 +-
 lib/Models/PayrollAu/TFNExemptionType.php     |   2 +-
 lib/Models/PayrollAu/TaxDeclaration.php       |   2 +-
 lib/Models/PayrollAu/TaxLine.php              |   2 +-
 lib/Models/PayrollAu/Timesheet.php            |   2 +-
 lib/Models/PayrollAu/TimesheetLine.php        |   2 +-
 lib/Models/PayrollAu/TimesheetObject.php      |   2 +-
 lib/Models/PayrollAu/TimesheetStatus.php      |   2 +-
 lib/Models/PayrollAu/Timesheets.php           |   2 +-
 lib/Models/PayrollAu/ValidationError.php      |   2 +-
 lib/Models/PayrollNz/Account.php              |   2 +-
 lib/Models/PayrollNz/Accounts.php             |   2 +-
 lib/Models/PayrollNz/Address.php              |   2 +-
 lib/Models/PayrollNz/BankAccount.php          |   2 +-
 lib/Models/PayrollNz/Benefit.php              |   2 +-
 lib/Models/PayrollNz/CalendarType.php         |   2 +-
 lib/Models/PayrollNz/Deduction.php            |   2 +-
 lib/Models/PayrollNz/DeductionLine.php        |   2 +-
 lib/Models/PayrollNz/DeductionObject.php      |   2 +-
 lib/Models/PayrollNz/Deductions.php           |   2 +-
 lib/Models/PayrollNz/EarningsLine.php         |   2 +-
 lib/Models/PayrollNz/EarningsOrder.php        |   2 +-
 lib/Models/PayrollNz/EarningsOrderObject.php  |   2 +-
 lib/Models/PayrollNz/EarningsOrders.php       |   2 +-
 lib/Models/PayrollNz/EarningsRate.php         |   2 +-
 lib/Models/PayrollNz/EarningsRateObject.php   |   2 +-
 lib/Models/PayrollNz/EarningsRates.php        |   2 +-
 lib/Models/PayrollNz/EarningsTemplate.php     |   2 +-
 .../PayrollNz/EarningsTemplateObject.php      |   2 +-
 lib/Models/PayrollNz/Employee.php             |   2 +-
 .../PayrollNz/EmployeeEarningsTemplates.php   |   2 +-
 lib/Models/PayrollNz/EmployeeLeave.php        |   2 +-
 lib/Models/PayrollNz/EmployeeLeaveBalance.php |   2 +-
 .../PayrollNz/EmployeeLeaveBalances.php       |   2 +-
 lib/Models/PayrollNz/EmployeeLeaveObject.php  |   2 +-
 lib/Models/PayrollNz/EmployeeLeaveSetup.php   |   2 +-
 .../PayrollNz/EmployeeLeaveSetupObject.php    |   2 +-
 lib/Models/PayrollNz/EmployeeLeaveType.php    |   2 +-
 .../PayrollNz/EmployeeLeaveTypeObject.php     |   2 +-
 lib/Models/PayrollNz/EmployeeLeaveTypes.php   |   2 +-
 lib/Models/PayrollNz/EmployeeLeaves.php       |   2 +-
 lib/Models/PayrollNz/EmployeeObject.php       |   2 +-
 .../PayrollNz/EmployeeOpeningBalance.php      |   2 +-
 .../EmployeeOpeningBalancesObject.php         |   2 +-
 lib/Models/PayrollNz/EmployeePayTemplate.php  |   2 +-
 .../PayrollNz/EmployeePayTemplateObject.php   |   2 +-
 lib/Models/PayrollNz/EmployeePayTemplates.php |   2 +-
 .../EmployeeStatutoryLeaveBalance.php         |   2 +-
 .../EmployeeStatutoryLeaveBalanceObject.php   |   2 +-
 .../EmployeeStatutoryLeaveSummary.php         |   2 +-
 .../EmployeeStatutoryLeavesSummaries.php      |   2 +-
 .../PayrollNz/EmployeeStatutorySickLeave.php  |   2 +-
 .../EmployeeStatutorySickLeaveObject.php      |   2 +-
 .../PayrollNz/EmployeeStatutorySickLeaves.php |   2 +-
 lib/Models/PayrollNz/EmployeeTax.php          |   2 +-
 lib/Models/PayrollNz/EmployeeTaxObject.php    |   2 +-
 lib/Models/PayrollNz/Employees.php            |   2 +-
 lib/Models/PayrollNz/Employment.php           |   2 +-
 lib/Models/PayrollNz/EmploymentObject.php     |   2 +-
 lib/Models/PayrollNz/GrossEarningsHistory.php |   2 +-
 lib/Models/PayrollNz/InvalidField.php         |   2 +-
 lib/Models/PayrollNz/LeaveAccrualLine.php     |   2 +-
 lib/Models/PayrollNz/LeaveEarningsLine.php    |   2 +-
 lib/Models/PayrollNz/LeavePeriod.php          |   2 +-
 lib/Models/PayrollNz/LeavePeriods.php         |   2 +-
 lib/Models/PayrollNz/LeaveType.php            |   2 +-
 lib/Models/PayrollNz/LeaveTypeObject.php      |   2 +-
 lib/Models/PayrollNz/LeaveTypes.php           |   2 +-
 lib/Models/PayrollNz/ModelInterface.php       |   2 +-
 lib/Models/PayrollNz/Pagination.php           |   2 +-
 lib/Models/PayrollNz/PayRun.php               |   2 +-
 lib/Models/PayrollNz/PayRunCalendar.php       |   2 +-
 lib/Models/PayrollNz/PayRunCalendarObject.php |   2 +-
 lib/Models/PayrollNz/PayRunCalendars.php      |   2 +-
 lib/Models/PayrollNz/PayRunObject.php         |   2 +-
 lib/Models/PayrollNz/PayRuns.php              |   2 +-
 lib/Models/PayrollNz/PaySlip.php              |   2 +-
 lib/Models/PayrollNz/PaySlipObject.php        |   2 +-
 lib/Models/PayrollNz/PaySlips.php             |   2 +-
 lib/Models/PayrollNz/PaymentLine.php          |   2 +-
 lib/Models/PayrollNz/PaymentMethod.php        |   2 +-
 lib/Models/PayrollNz/PaymentMethodObject.php  |   2 +-
 lib/Models/PayrollNz/Problem.php              |   2 +-
 lib/Models/PayrollNz/Reimbursement.php        |   2 +-
 lib/Models/PayrollNz/ReimbursementLine.php    |   2 +-
 lib/Models/PayrollNz/ReimbursementObject.php  |   2 +-
 lib/Models/PayrollNz/Reimbursements.php       |   2 +-
 lib/Models/PayrollNz/SalaryAndWage.php        |   2 +-
 lib/Models/PayrollNz/SalaryAndWageObject.php  |   2 +-
 lib/Models/PayrollNz/SalaryAndWages.php       |   2 +-
 lib/Models/PayrollNz/Settings.php             |   2 +-
 lib/Models/PayrollNz/StatutoryDeduction.php   |   2 +-
 .../PayrollNz/StatutoryDeductionCategory.php  |   2 +-
 .../PayrollNz/StatutoryDeductionLine.php      |   2 +-
 .../PayrollNz/StatutoryDeductionObject.php    |   2 +-
 lib/Models/PayrollNz/StatutoryDeductions.php  |   2 +-
 lib/Models/PayrollNz/SuperannuationLine.php   |   2 +-
 lib/Models/PayrollNz/SuperannuationObject.php |   2 +-
 lib/Models/PayrollNz/Superannuations.php      |   2 +-
 lib/Models/PayrollNz/TaxCode.php              |   2 +-
 lib/Models/PayrollNz/TaxLine.php              |   2 +-
 lib/Models/PayrollNz/TaxSettings.php          |   2 +-
 lib/Models/PayrollNz/Timesheet.php            |   2 +-
 .../PayrollNz/TimesheetEarningsLine.php       |   2 +-
 lib/Models/PayrollNz/TimesheetLine.php        |   2 +-
 lib/Models/PayrollNz/TimesheetLineObject.php  |   2 +-
 lib/Models/PayrollNz/TimesheetObject.php      |   2 +-
 lib/Models/PayrollNz/Timesheets.php           |   2 +-
 lib/Models/PayrollNz/TrackingCategories.php   |   2 +-
 lib/Models/PayrollNz/TrackingCategory.php     |   2 +-
 lib/Models/PayrollUk/Account.php              |   2 +-
 lib/Models/PayrollUk/Accounts.php             |   2 +-
 lib/Models/PayrollUk/Address.php              |   2 +-
 lib/Models/PayrollUk/BankAccount.php          |   2 +-
 lib/Models/PayrollUk/Benefit.php              |   2 +-
 lib/Models/PayrollUk/BenefitLine.php          |   2 +-
 lib/Models/PayrollUk/BenefitObject.php        |   2 +-
 lib/Models/PayrollUk/Benefits.php             |   2 +-
 lib/Models/PayrollUk/CourtOrderLine.php       |   2 +-
 lib/Models/PayrollUk/Deduction.php            |   2 +-
 lib/Models/PayrollUk/DeductionLine.php        |   2 +-
 lib/Models/PayrollUk/DeductionObject.php      |   2 +-
 lib/Models/PayrollUk/Deductions.php           |   2 +-
 lib/Models/PayrollUk/EarningsLine.php         |   2 +-
 lib/Models/PayrollUk/EarningsOrder.php        |   2 +-
 lib/Models/PayrollUk/EarningsOrderObject.php  |   2 +-
 lib/Models/PayrollUk/EarningsOrders.php       |   2 +-
 lib/Models/PayrollUk/EarningsRate.php         |   2 +-
 lib/Models/PayrollUk/EarningsRateObject.php   |   2 +-
 lib/Models/PayrollUk/EarningsRates.php        |   2 +-
 lib/Models/PayrollUk/EarningsTemplate.php     |   2 +-
 .../PayrollUk/EarningsTemplateObject.php      |   2 +-
 lib/Models/PayrollUk/Employee.php             |   2 +-
 lib/Models/PayrollUk/EmployeeLeave.php        |   2 +-
 lib/Models/PayrollUk/EmployeeLeaveBalance.php |   2 +-
 .../PayrollUk/EmployeeLeaveBalances.php       |   2 +-
 lib/Models/PayrollUk/EmployeeLeaveObject.php  |   2 +-
 lib/Models/PayrollUk/EmployeeLeaveType.php    |   2 +-
 .../PayrollUk/EmployeeLeaveTypeObject.php     |   2 +-
 lib/Models/PayrollUk/EmployeeLeaveTypes.php   |   2 +-
 lib/Models/PayrollUk/EmployeeLeaves.php       |   2 +-
 lib/Models/PayrollUk/EmployeeObject.php       |   2 +-
 .../PayrollUk/EmployeeOpeningBalances.php     |   2 +-
 .../EmployeeOpeningBalancesObject.php         |   2 +-
 lib/Models/PayrollUk/EmployeePayTemplate.php  |   2 +-
 .../PayrollUk/EmployeePayTemplateObject.php   |   2 +-
 lib/Models/PayrollUk/EmployeePayTemplates.php |   2 +-
 .../EmployeeStatutoryLeaveBalance.php         |   2 +-
 .../EmployeeStatutoryLeaveBalanceObject.php   |   2 +-
 .../EmployeeStatutoryLeaveSummary.php         |   2 +-
 .../EmployeeStatutoryLeavesSummaries.php      |   2 +-
 .../PayrollUk/EmployeeStatutorySickLeave.php  |   2 +-
 .../EmployeeStatutorySickLeaveObject.php      |   2 +-
 .../PayrollUk/EmployeeStatutorySickLeaves.php |   2 +-
 lib/Models/PayrollUk/EmployeeTax.php          |   2 +-
 lib/Models/PayrollUk/EmployeeTaxObject.php    |   2 +-
 lib/Models/PayrollUk/Employees.php            |   2 +-
 lib/Models/PayrollUk/Employment.php           |   2 +-
 lib/Models/PayrollUk/EmploymentObject.php     |   2 +-
 lib/Models/PayrollUk/InvalidField.php         |   2 +-
 lib/Models/PayrollUk/LeaveAccrualLine.php     |   2 +-
 lib/Models/PayrollUk/LeaveEarningsLine.php    |   2 +-
 lib/Models/PayrollUk/LeavePeriod.php          |   2 +-
 lib/Models/PayrollUk/LeavePeriods.php         |   2 +-
 lib/Models/PayrollUk/LeaveType.php            |   2 +-
 lib/Models/PayrollUk/LeaveTypeObject.php      |   2 +-
 lib/Models/PayrollUk/LeaveTypes.php           |   2 +-
 lib/Models/PayrollUk/ModelInterface.php       |   2 +-
 lib/Models/PayrollUk/Pagination.php           |   2 +-
 lib/Models/PayrollUk/PayRun.php               |   2 +-
 lib/Models/PayrollUk/PayRunCalendar.php       |   2 +-
 lib/Models/PayrollUk/PayRunCalendarObject.php |   2 +-
 lib/Models/PayrollUk/PayRunCalendars.php      |   2 +-
 lib/Models/PayrollUk/PayRunObject.php         |   2 +-
 lib/Models/PayrollUk/PayRuns.php              |   2 +-
 lib/Models/PayrollUk/PaymentLine.php          |   2 +-
 lib/Models/PayrollUk/PaymentMethod.php        |   2 +-
 lib/Models/PayrollUk/PaymentMethodObject.php  |   2 +-
 lib/Models/PayrollUk/Payslip.php              |   2 +-
 lib/Models/PayrollUk/PayslipObject.php        |   2 +-
 lib/Models/PayrollUk/Payslips.php             |   2 +-
 lib/Models/PayrollUk/Problem.php              |   2 +-
 lib/Models/PayrollUk/Reimbursement.php        |   2 +-
 lib/Models/PayrollUk/ReimbursementLine.php    |   2 +-
 lib/Models/PayrollUk/ReimbursementObject.php  |   2 +-
 lib/Models/PayrollUk/Reimbursements.php       |   2 +-
 lib/Models/PayrollUk/SalaryAndWage.php        |   2 +-
 lib/Models/PayrollUk/SalaryAndWageObject.php  |   2 +-
 lib/Models/PayrollUk/SalaryAndWages.php       |   2 +-
 lib/Models/PayrollUk/Settings.php             |   2 +-
 lib/Models/PayrollUk/StatutoryDeduction.php   |   2 +-
 .../PayrollUk/StatutoryDeductionCategory.php  |   2 +-
 lib/Models/PayrollUk/TaxLine.php              |   2 +-
 lib/Models/PayrollUk/Timesheet.php            |   2 +-
 .../PayrollUk/TimesheetEarningsLine.php       |   2 +-
 lib/Models/PayrollUk/TimesheetLine.php        |   2 +-
 lib/Models/PayrollUk/TimesheetLineObject.php  |   2 +-
 lib/Models/PayrollUk/TimesheetObject.php      |   2 +-
 lib/Models/PayrollUk/Timesheets.php           |   2 +-
 lib/Models/PayrollUk/TrackingCategories.php   |   2 +-
 lib/Models/PayrollUk/TrackingCategory.php     |   2 +-
 lib/Models/Project/Amount.php                 |   2 +-
 lib/Models/Project/ChargeType.php             |   2 +-
 lib/Models/Project/CurrencyCode.php           |   2 +-
 lib/Models/Project/Error.php                  |   2 +-
 lib/Models/Project/ModelInterface.php         |   2 +-
 lib/Models/Project/Pagination.php             |   2 +-
 lib/Models/Project/Project.php                |   2 +-
 lib/Models/Project/ProjectCreateOrUpdate.php  |   2 +-
 lib/Models/Project/ProjectPatch.php           |   2 +-
 lib/Models/Project/ProjectStatus.php          |   2 +-
 lib/Models/Project/ProjectUser.php            |   2 +-
 lib/Models/Project/ProjectUsers.php           |   2 +-
 lib/Models/Project/Projects.php               |   2 +-
 lib/Models/Project/Task.php                   |   2 +-
 lib/Models/Project/TaskCreateOrUpdate.php     |   4 +-
 lib/Models/Project/Tasks.php                  |   2 +-
 lib/Models/Project/TimeEntries.php            |   2 +-
 lib/Models/Project/TimeEntry.php              |   2 +-
 .../Project/TimeEntryCreateOrUpdate.php       |   2 +-
 lib/PayrollAuObjectSerializer.php             |   6 +-
 lib/PayrollNzObjectSerializer.php             |   6 +-
 lib/PayrollUkObjectSerializer.php             |   6 +-
 lib/ProjectObjectSerializer.php               |   6 +-
 531 files changed, 616 insertions(+), 614 deletions(-)

diff --git a/lib/AccountingObjectSerializer.php b/lib/AccountingObjectSerializer.php
index d41e47e1..ef45f024 100644
--- a/lib/AccountingObjectSerializer.php
+++ b/lib/AccountingObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {
diff --git a/lib/Api/AccountingApi.php b/lib/Api/AccountingApi.php
index c150263b..7e9e5649 100644
--- a/lib/Api/AccountingApi.php
+++ b/lib/Api/AccountingApi.php
@@ -17,7 +17,7 @@
  * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
@@ -23789,32 +23789,32 @@ protected function getBudgetRequest($xero_tenant_id, $budget_id, $date_to = null
      * Operation getBudgets
      * Retrieve a list of budgets
      * @param  string $xero_tenant_id Xero identifier for Tenant (required)
-     * @param  string[] $i_ds Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
+     * @param  string[] $ids Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
      * @param  \DateTime $date_to Filter by start date (optional)
      * @param  \DateTime $date_from Filter by end date (optional)
      * @throws \XeroAPI\XeroPHP\ApiException on non-2xx response
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Budgets
      */
-    public function getBudgets($xero_tenant_id, $i_ds = null, $date_to = null, $date_from = null)
+    public function getBudgets($xero_tenant_id, $ids = null, $date_to = null, $date_from = null)
     {
-        list($response) = $this->getBudgetsWithHttpInfo($xero_tenant_id, $i_ds, $date_to, $date_from);
+        list($response) = $this->getBudgetsWithHttpInfo($xero_tenant_id, $ids, $date_to, $date_from);
         return $response;
     }
     /**
      * Operation getBudgetsWithHttpInfo
      * Retrieve a list of budgets
      * @param  string $xero_tenant_id Xero identifier for Tenant (required)
-     * @param  string[] $i_ds Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
+     * @param  string[] $ids Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
      * @param  \DateTime $date_to Filter by start date (optional)
      * @param  \DateTime $date_from Filter by end date (optional)
      * @throws \XeroAPI\XeroPHP\ApiException on non-2xx response
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Budgets, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getBudgetsWithHttpInfo($xero_tenant_id, $i_ds = null, $date_to = null, $date_from = null)
+    public function getBudgetsWithHttpInfo($xero_tenant_id, $ids = null, $date_to = null, $date_from = null)
     {
-        $request = $this->getBudgetsRequest($xero_tenant_id, $i_ds, $date_to, $date_from);
+        $request = $this->getBudgetsRequest($xero_tenant_id, $ids, $date_to, $date_from);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -23884,15 +23884,15 @@ public function getBudgetsWithHttpInfo($xero_tenant_id, $i_ds = null, $date_to =
      * Operation getBudgetsAsync
      * Retrieve a list of budgets
      * @param  string $xero_tenant_id Xero identifier for Tenant (required)
-     * @param  string[] $i_ds Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
+     * @param  string[] $ids Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
      * @param  \DateTime $date_to Filter by start date (optional)
      * @param  \DateTime $date_from Filter by end date (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getBudgetsAsync($xero_tenant_id, $i_ds = null, $date_to = null, $date_from = null)
+    public function getBudgetsAsync($xero_tenant_id, $ids = null, $date_to = null, $date_from = null)
     {
-        return $this->getBudgetsAsyncWithHttpInfo($xero_tenant_id, $i_ds, $date_to, $date_from)
+        return $this->getBudgetsAsyncWithHttpInfo($xero_tenant_id, $ids, $date_to, $date_from)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -23903,15 +23903,15 @@ function ($response) {
      * Operation getBudgetsAsyncWithHttpInfo
      * Retrieve a list of budgets
      * @param  string $xero_tenant_id Xero identifier for Tenant (required)
-     * @param  string[] $i_ds Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
+     * @param  string[] $ids Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
      * @param  \DateTime $date_to Filter by start date (optional)
      * @param  \DateTime $date_from Filter by end date (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getBudgetsAsyncWithHttpInfo($xero_tenant_id, $i_ds = null, $date_to = null, $date_from = null)
+    public function getBudgetsAsyncWithHttpInfo($xero_tenant_id, $ids = null, $date_to = null, $date_from = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Budgets';
-        $request = $this->getBudgetsRequest($xero_tenant_id, $i_ds, $date_to, $date_from);
+        $request = $this->getBudgetsRequest($xero_tenant_id, $ids, $date_to, $date_from);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -23948,12 +23948,12 @@ function ($exception) {
     /**
      * Create request for operation 'getBudgets'
      * @param  string $xero_tenant_id Xero identifier for Tenant (required)
-     * @param  string[] $i_ds Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
+     * @param  string[] $ids Filter by BudgetID. Allows you to retrieve a specific individual budget. (optional)
      * @param  \DateTime $date_to Filter by start date (optional)
      * @param  \DateTime $date_from Filter by end date (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getBudgetsRequest($xero_tenant_id, $i_ds = null, $date_to = null, $date_from = null)
+    protected function getBudgetsRequest($xero_tenant_id, $ids = null, $date_to = null, $date_from = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -23968,11 +23968,11 @@ protected function getBudgetsRequest($xero_tenant_id, $i_ds = null, $date_to = n
         $httpBody = '';
         $multipart = false;
         // query params
-        if (is_array($i_ds)) {
-            $i_ds = AccountingObjectSerializer::serializeCollection($i_ds, 'csv', true);
+        if (is_array($ids)) {
+            $ids = AccountingObjectSerializer::serializeCollection($ids, 'csv', true);
         }
-        if ($i_ds !== null) {
-            $queryParams['IDs'] = AccountingObjectSerializer::toQueryValue($i_ds);
+        if ($ids !== null) {
+            $queryParams['IDs'] = AccountingObjectSerializer::toQueryValue($ids);
         }
         // query params
         if ($date_to !== null) {
@@ -26370,7 +26370,7 @@ protected function getContactHistoryRequest($xero_tenant_id, $contact_id)
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $i_ds Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
+     * @param  string[] $ids Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
      * @param  int $page e.g. page&#x3D;1 - Up to 100 contacts will be returned in a single API call. (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Contacts with a status of ARCHIVED will be included in the response (optional)
      * @param  bool $summary_only Use summaryOnly&#x3D;true in GET Contacts and Invoices endpoint to retrieve a smaller version of the response object. This returns only lightweight fields, excluding computation-heavy fields from the response, making the API calls quick and efficient. (optional, default to false)
@@ -26379,9 +26379,9 @@ protected function getContactHistoryRequest($xero_tenant_id, $contact_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Contacts
      */
-    public function getContacts($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $page = null, $include_archived = null, $summary_only = false, $search_term = null)
+    public function getContacts($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $ids = null, $page = null, $include_archived = null, $summary_only = false, $search_term = null)
     {
-        list($response) = $this->getContactsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $i_ds, $page, $include_archived, $summary_only, $search_term);
+        list($response) = $this->getContactsWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $ids, $page, $include_archived, $summary_only, $search_term);
         return $response;
     }
     /**
@@ -26391,7 +26391,7 @@ public function getContacts($xero_tenant_id, $if_modified_since = null, $where =
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $i_ds Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
+     * @param  string[] $ids Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
      * @param  int $page e.g. page&#x3D;1 - Up to 100 contacts will be returned in a single API call. (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Contacts with a status of ARCHIVED will be included in the response (optional)
      * @param  bool $summary_only Use summaryOnly&#x3D;true in GET Contacts and Invoices endpoint to retrieve a smaller version of the response object. This returns only lightweight fields, excluding computation-heavy fields from the response, making the API calls quick and efficient. (optional, default to false)
@@ -26400,9 +26400,9 @@ public function getContacts($xero_tenant_id, $if_modified_since = null, $where =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Contacts, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getContactsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $page = null, $include_archived = null, $summary_only = false, $search_term = null)
+    public function getContactsWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $ids = null, $page = null, $include_archived = null, $summary_only = false, $search_term = null)
     {
-        $request = $this->getContactsRequest($xero_tenant_id, $if_modified_since, $where, $order, $i_ds, $page, $include_archived, $summary_only, $search_term);
+        $request = $this->getContactsRequest($xero_tenant_id, $if_modified_since, $where, $order, $ids, $page, $include_archived, $summary_only, $search_term);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -26475,7 +26475,7 @@ public function getContactsWithHttpInfo($xero_tenant_id, $if_modified_since = nu
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $i_ds Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
+     * @param  string[] $ids Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
      * @param  int $page e.g. page&#x3D;1 - Up to 100 contacts will be returned in a single API call. (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Contacts with a status of ARCHIVED will be included in the response (optional)
      * @param  bool $summary_only Use summaryOnly&#x3D;true in GET Contacts and Invoices endpoint to retrieve a smaller version of the response object. This returns only lightweight fields, excluding computation-heavy fields from the response, making the API calls quick and efficient. (optional, default to false)
@@ -26483,9 +26483,9 @@ public function getContactsWithHttpInfo($xero_tenant_id, $if_modified_since = nu
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getContactsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $page = null, $include_archived = null, $summary_only = false, $search_term = null)
+    public function getContactsAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $ids = null, $page = null, $include_archived = null, $summary_only = false, $search_term = null)
     {
-        return $this->getContactsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $i_ds, $page, $include_archived, $summary_only, $search_term)
+        return $this->getContactsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $ids, $page, $include_archived, $summary_only, $search_term)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -26499,17 +26499,17 @@ function ($response) {
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $i_ds Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
+     * @param  string[] $ids Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
      * @param  int $page e.g. page&#x3D;1 - Up to 100 contacts will be returned in a single API call. (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Contacts with a status of ARCHIVED will be included in the response (optional)
      * @param  bool $summary_only Use summaryOnly&#x3D;true in GET Contacts and Invoices endpoint to retrieve a smaller version of the response object. This returns only lightweight fields, excluding computation-heavy fields from the response, making the API calls quick and efficient. (optional, default to false)
      * @param  string $search_term Search parameter that performs a case-insensitive text search across the Name, FirstName, LastName, ContactNumber and EmailAddress fields. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getContactsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $page = null, $include_archived = null, $summary_only = false, $search_term = null)
+    public function getContactsAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $ids = null, $page = null, $include_archived = null, $summary_only = false, $search_term = null)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Contacts';
-        $request = $this->getContactsRequest($xero_tenant_id, $if_modified_since, $where, $order, $i_ds, $page, $include_archived, $summary_only, $search_term);
+        $request = $this->getContactsRequest($xero_tenant_id, $if_modified_since, $where, $order, $ids, $page, $include_archived, $summary_only, $search_term);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -26549,14 +26549,14 @@ function ($exception) {
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $i_ds Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
+     * @param  string[] $ids Filter by a comma separated list of ContactIDs. Allows you to retrieve a specific set of contacts in a single call. (optional)
      * @param  int $page e.g. page&#x3D;1 - Up to 100 contacts will be returned in a single API call. (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Contacts with a status of ARCHIVED will be included in the response (optional)
      * @param  bool $summary_only Use summaryOnly&#x3D;true in GET Contacts and Invoices endpoint to retrieve a smaller version of the response object. This returns only lightweight fields, excluding computation-heavy fields from the response, making the API calls quick and efficient. (optional, default to false)
      * @param  string $search_term Search parameter that performs a case-insensitive text search across the Name, FirstName, LastName, ContactNumber and EmailAddress fields. (optional)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getContactsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $page = null, $include_archived = null, $summary_only = false, $search_term = null)
+    protected function getContactsRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $ids = null, $page = null, $include_archived = null, $summary_only = false, $search_term = null)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -26579,11 +26579,11 @@ protected function getContactsRequest($xero_tenant_id, $if_modified_since = null
             $queryParams['order'] = AccountingObjectSerializer::toQueryValue($order);
         }
         // query params
-        if (is_array($i_ds)) {
-            $i_ds = AccountingObjectSerializer::serializeCollection($i_ds, 'csv', true);
+        if (is_array($ids)) {
+            $ids = AccountingObjectSerializer::serializeCollection($ids, 'csv', true);
         }
-        if ($i_ds !== null) {
-            $queryParams['IDs'] = AccountingObjectSerializer::toQueryValue($i_ds);
+        if ($ids !== null) {
+            $queryParams['IDs'] = AccountingObjectSerializer::toQueryValue($ids);
         }
         // query params
         if ($page !== null) {
@@ -31852,9 +31852,9 @@ protected function getInvoiceRemindersRequest($xero_tenant_id)
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $i_ds Filter by a comma-separated list of InvoicesIDs. (optional)
+     * @param  string[] $ids Filter by a comma-separated list of InvoicesIDs. (optional)
      * @param  string[] $invoice_numbers Filter by a comma-separated list of InvoiceNumbers. (optional)
-     * @param  string[] $contact_i_ds Filter by a comma-separated list of ContactIDs. (optional)
+     * @param  string[] $contact_ids Filter by a comma-separated list of ContactIDs. (optional)
      * @param  string[] $statuses Filter by a comma-separated list Statuses. For faster response times we recommend using these explicit parameters instead of passing OR conditions into the Where filter. (optional)
      * @param  int $page e.g. page&#x3D;1 – Up to 100 invoices will be returned in a single API call with line items shown for each invoice (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Invoices with a status of ARCHIVED will be included in the response (optional)
@@ -31865,9 +31865,9 @@ protected function getInvoiceRemindersRequest($xero_tenant_id)
      * @throws \InvalidArgumentException
      * @return \XeroAPI\XeroPHP\Models\Accounting\Invoices
      */
-    public function getInvoices($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $invoice_numbers = null, $contact_i_ds = null, $statuses = null, $page = null, $include_archived = null, $created_by_my_app = null, $unitdp = null, $summary_only = false)
+    public function getInvoices($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $ids = null, $invoice_numbers = null, $contact_ids = null, $statuses = null, $page = null, $include_archived = null, $created_by_my_app = null, $unitdp = null, $summary_only = false)
     {
-        list($response) = $this->getInvoicesWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $i_ds, $invoice_numbers, $contact_i_ds, $statuses, $page, $include_archived, $created_by_my_app, $unitdp, $summary_only);
+        list($response) = $this->getInvoicesWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $ids, $invoice_numbers, $contact_ids, $statuses, $page, $include_archived, $created_by_my_app, $unitdp, $summary_only);
         return $response;
     }
     /**
@@ -31877,9 +31877,9 @@ public function getInvoices($xero_tenant_id, $if_modified_since = null, $where =
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $i_ds Filter by a comma-separated list of InvoicesIDs. (optional)
+     * @param  string[] $ids Filter by a comma-separated list of InvoicesIDs. (optional)
      * @param  string[] $invoice_numbers Filter by a comma-separated list of InvoiceNumbers. (optional)
-     * @param  string[] $contact_i_ds Filter by a comma-separated list of ContactIDs. (optional)
+     * @param  string[] $contact_ids Filter by a comma-separated list of ContactIDs. (optional)
      * @param  string[] $statuses Filter by a comma-separated list Statuses. For faster response times we recommend using these explicit parameters instead of passing OR conditions into the Where filter. (optional)
      * @param  int $page e.g. page&#x3D;1 – Up to 100 invoices will be returned in a single API call with line items shown for each invoice (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Invoices with a status of ARCHIVED will be included in the response (optional)
@@ -31890,9 +31890,9 @@ public function getInvoices($xero_tenant_id, $if_modified_since = null, $where =
      * @throws \InvalidArgumentException
      * @return array of \XeroAPI\XeroPHP\Models\Accounting\Invoices, HTTP status code, HTTP response headers (array of strings)
      */
-    public function getInvoicesWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $invoice_numbers = null, $contact_i_ds = null, $statuses = null, $page = null, $include_archived = null, $created_by_my_app = null, $unitdp = null, $summary_only = false)
+    public function getInvoicesWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $ids = null, $invoice_numbers = null, $contact_ids = null, $statuses = null, $page = null, $include_archived = null, $created_by_my_app = null, $unitdp = null, $summary_only = false)
     {
-        $request = $this->getInvoicesRequest($xero_tenant_id, $if_modified_since, $where, $order, $i_ds, $invoice_numbers, $contact_i_ds, $statuses, $page, $include_archived, $created_by_my_app, $unitdp, $summary_only);
+        $request = $this->getInvoicesRequest($xero_tenant_id, $if_modified_since, $where, $order, $ids, $invoice_numbers, $contact_ids, $statuses, $page, $include_archived, $created_by_my_app, $unitdp, $summary_only);
         try {
             $options = $this->createHttpClientOption();
             try {
@@ -31965,9 +31965,9 @@ public function getInvoicesWithHttpInfo($xero_tenant_id, $if_modified_since = nu
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $i_ds Filter by a comma-separated list of InvoicesIDs. (optional)
+     * @param  string[] $ids Filter by a comma-separated list of InvoicesIDs. (optional)
      * @param  string[] $invoice_numbers Filter by a comma-separated list of InvoiceNumbers. (optional)
-     * @param  string[] $contact_i_ds Filter by a comma-separated list of ContactIDs. (optional)
+     * @param  string[] $contact_ids Filter by a comma-separated list of ContactIDs. (optional)
      * @param  string[] $statuses Filter by a comma-separated list Statuses. For faster response times we recommend using these explicit parameters instead of passing OR conditions into the Where filter. (optional)
      * @param  int $page e.g. page&#x3D;1 – Up to 100 invoices will be returned in a single API call with line items shown for each invoice (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Invoices with a status of ARCHIVED will be included in the response (optional)
@@ -31977,9 +31977,9 @@ public function getInvoicesWithHttpInfo($xero_tenant_id, $if_modified_since = nu
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function getInvoicesAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $invoice_numbers = null, $contact_i_ds = null, $statuses = null, $page = null, $include_archived = null, $created_by_my_app = null, $unitdp = null, $summary_only = false)
+    public function getInvoicesAsync($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $ids = null, $invoice_numbers = null, $contact_ids = null, $statuses = null, $page = null, $include_archived = null, $created_by_my_app = null, $unitdp = null, $summary_only = false)
     {
-        return $this->getInvoicesAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $i_ds, $invoice_numbers, $contact_i_ds, $statuses, $page, $include_archived, $created_by_my_app, $unitdp, $summary_only)
+        return $this->getInvoicesAsyncWithHttpInfo($xero_tenant_id, $if_modified_since, $where, $order, $ids, $invoice_numbers, $contact_ids, $statuses, $page, $include_archived, $created_by_my_app, $unitdp, $summary_only)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -31993,9 +31993,9 @@ function ($response) {
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $i_ds Filter by a comma-separated list of InvoicesIDs. (optional)
+     * @param  string[] $ids Filter by a comma-separated list of InvoicesIDs. (optional)
      * @param  string[] $invoice_numbers Filter by a comma-separated list of InvoiceNumbers. (optional)
-     * @param  string[] $contact_i_ds Filter by a comma-separated list of ContactIDs. (optional)
+     * @param  string[] $contact_ids Filter by a comma-separated list of ContactIDs. (optional)
      * @param  string[] $statuses Filter by a comma-separated list Statuses. For faster response times we recommend using these explicit parameters instead of passing OR conditions into the Where filter. (optional)
      * @param  int $page e.g. page&#x3D;1 – Up to 100 invoices will be returned in a single API call with line items shown for each invoice (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Invoices with a status of ARCHIVED will be included in the response (optional)
@@ -32004,10 +32004,10 @@ function ($response) {
      * @param  bool $summary_only Use summaryOnly&#x3D;true in GET Contacts and Invoices endpoint to retrieve a smaller version of the response object. This returns only lightweight fields, excluding computation-heavy fields from the response, making the API calls quick and efficient. (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface */
-    public function getInvoicesAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $invoice_numbers = null, $contact_i_ds = null, $statuses = null, $page = null, $include_archived = null, $created_by_my_app = null, $unitdp = null, $summary_only = false)
+    public function getInvoicesAsyncWithHttpInfo($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $ids = null, $invoice_numbers = null, $contact_ids = null, $statuses = null, $page = null, $include_archived = null, $created_by_my_app = null, $unitdp = null, $summary_only = false)
     {
         $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Invoices';
-        $request = $this->getInvoicesRequest($xero_tenant_id, $if_modified_since, $where, $order, $i_ds, $invoice_numbers, $contact_i_ds, $statuses, $page, $include_archived, $created_by_my_app, $unitdp, $summary_only);
+        $request = $this->getInvoicesRequest($xero_tenant_id, $if_modified_since, $where, $order, $ids, $invoice_numbers, $contact_ids, $statuses, $page, $include_archived, $created_by_my_app, $unitdp, $summary_only);
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
             ->then(
@@ -32047,9 +32047,9 @@ function ($exception) {
      * @param  \DateTime $if_modified_since Only records created or modified since this timestamp will be returned (optional)
      * @param  string $where Filter by an any element (optional)
      * @param  string $order Order by an any element (optional)
-     * @param  string[] $i_ds Filter by a comma-separated list of InvoicesIDs. (optional)
+     * @param  string[] $ids Filter by a comma-separated list of InvoicesIDs. (optional)
      * @param  string[] $invoice_numbers Filter by a comma-separated list of InvoiceNumbers. (optional)
-     * @param  string[] $contact_i_ds Filter by a comma-separated list of ContactIDs. (optional)
+     * @param  string[] $contact_ids Filter by a comma-separated list of ContactIDs. (optional)
      * @param  string[] $statuses Filter by a comma-separated list Statuses. For faster response times we recommend using these explicit parameters instead of passing OR conditions into the Where filter. (optional)
      * @param  int $page e.g. page&#x3D;1 – Up to 100 invoices will be returned in a single API call with line items shown for each invoice (optional)
      * @param  bool $include_archived e.g. includeArchived&#x3D;true - Invoices with a status of ARCHIVED will be included in the response (optional)
@@ -32058,7 +32058,7 @@ function ($exception) {
      * @param  bool $summary_only Use summaryOnly&#x3D;true in GET Contacts and Invoices endpoint to retrieve a smaller version of the response object. This returns only lightweight fields, excluding computation-heavy fields from the response, making the API calls quick and efficient. (optional, default to false)
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request  */
-    protected function getInvoicesRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $i_ds = null, $invoice_numbers = null, $contact_i_ds = null, $statuses = null, $page = null, $include_archived = null, $created_by_my_app = null, $unitdp = null, $summary_only = false)
+    protected function getInvoicesRequest($xero_tenant_id, $if_modified_since = null, $where = null, $order = null, $ids = null, $invoice_numbers = null, $contact_ids = null, $statuses = null, $page = null, $include_archived = null, $created_by_my_app = null, $unitdp = null, $summary_only = false)
     {
         // verify the required parameter 'xero_tenant_id' is set
         if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
@@ -32081,11 +32081,11 @@ protected function getInvoicesRequest($xero_tenant_id, $if_modified_since = null
             $queryParams['order'] = AccountingObjectSerializer::toQueryValue($order);
         }
         // query params
-        if (is_array($i_ds)) {
-            $i_ds = AccountingObjectSerializer::serializeCollection($i_ds, 'csv', true);
+        if (is_array($ids)) {
+            $ids = AccountingObjectSerializer::serializeCollection($ids, 'csv', true);
         }
-        if ($i_ds !== null) {
-            $queryParams['IDs'] = AccountingObjectSerializer::toQueryValue($i_ds);
+        if ($ids !== null) {
+            $queryParams['IDs'] = AccountingObjectSerializer::toQueryValue($ids);
         }
         // query params
         if (is_array($invoice_numbers)) {
@@ -32095,11 +32095,11 @@ protected function getInvoicesRequest($xero_tenant_id, $if_modified_since = null
             $queryParams['InvoiceNumbers'] = AccountingObjectSerializer::toQueryValue($invoice_numbers);
         }
         // query params
-        if (is_array($contact_i_ds)) {
-            $contact_i_ds = AccountingObjectSerializer::serializeCollection($contact_i_ds, 'csv', true);
+        if (is_array($contact_ids)) {
+            $contact_ids = AccountingObjectSerializer::serializeCollection($contact_ids, 'csv', true);
         }
-        if ($contact_i_ds !== null) {
-            $queryParams['ContactIDs'] = AccountingObjectSerializer::toQueryValue($contact_i_ds);
+        if ($contact_ids !== null) {
+            $queryParams['ContactIDs'] = AccountingObjectSerializer::toQueryValue($contact_ids);
         }
         // query params
         if (is_array($statuses)) {
diff --git a/lib/Api/AppStoreApi.php b/lib/Api/AppStoreApi.php
index 320881dd..78ae3342 100644
--- a/lib/Api/AppStoreApi.php
+++ b/lib/Api/AppStoreApi.php
@@ -17,7 +17,7 @@
  * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
diff --git a/lib/Api/AssetApi.php b/lib/Api/AssetApi.php
index b07b2239..420362f1 100644
--- a/lib/Api/AssetApi.php
+++ b/lib/Api/AssetApi.php
@@ -17,7 +17,7 @@
  * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
diff --git a/lib/Api/FilesApi.php b/lib/Api/FilesApi.php
index c4118923..acd7f0c8 100644
--- a/lib/Api/FilesApi.php
+++ b/lib/Api/FilesApi.php
@@ -17,7 +17,7 @@
  * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
diff --git a/lib/Api/FinanceApi.php b/lib/Api/FinanceApi.php
index a582dbe4..c15751fb 100644
--- a/lib/Api/FinanceApi.php
+++ b/lib/Api/FinanceApi.php
@@ -17,7 +17,7 @@
  * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
diff --git a/lib/Api/IdentityApi.php b/lib/Api/IdentityApi.php
index 550187af..340e46b3 100644
--- a/lib/Api/IdentityApi.php
+++ b/lib/Api/IdentityApi.php
@@ -17,7 +17,7 @@
  * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
diff --git a/lib/Api/PayrollAuApi.php b/lib/Api/PayrollAuApi.php
index 3a632c79..8767a470 100644
--- a/lib/Api/PayrollAuApi.php
+++ b/lib/Api/PayrollAuApi.php
@@ -17,7 +17,7 @@
  * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
diff --git a/lib/Api/PayrollNzApi.php b/lib/Api/PayrollNzApi.php
index 4c464783..4e6ed26f 100644
--- a/lib/Api/PayrollNzApi.php
+++ b/lib/Api/PayrollNzApi.php
@@ -17,7 +17,7 @@
  * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
diff --git a/lib/Api/PayrollUkApi.php b/lib/Api/PayrollUkApi.php
index e54f9d75..48cbf36e 100644
--- a/lib/Api/PayrollUkApi.php
+++ b/lib/Api/PayrollUkApi.php
@@ -17,7 +17,7 @@
  * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
diff --git a/lib/Api/ProjectApi.php b/lib/Api/ProjectApi.php
index 6883131e..a57a517e 100644
--- a/lib/Api/ProjectApi.php
+++ b/lib/Api/ProjectApi.php
@@ -17,7 +17,7 @@
  * OpenAPI spec version: 2.21.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
diff --git a/lib/AppStoreObjectSerializer.php b/lib/AppStoreObjectSerializer.php
index 0a41b741..876793ad 100644
--- a/lib/AppStoreObjectSerializer.php
+++ b/lib/AppStoreObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {
diff --git a/lib/AssetObjectSerializer.php b/lib/AssetObjectSerializer.php
index 9cbc8fa0..cde56e9a 100644
--- a/lib/AssetObjectSerializer.php
+++ b/lib/AssetObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {
diff --git a/lib/Configuration.php b/lib/Configuration.php
index 25867859..0841c64d 100644
--- a/lib/Configuration.php
+++ b/lib/Configuration.php
@@ -16,7 +16,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/FileObjectSerializer.php b/lib/FileObjectSerializer.php
index 30a3c5e8..9bac0e10 100644
--- a/lib/FileObjectSerializer.php
+++ b/lib/FileObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {
diff --git a/lib/FinanceObjectSerializer.php b/lib/FinanceObjectSerializer.php
index 867ce564..b1600046 100644
--- a/lib/FinanceObjectSerializer.php
+++ b/lib/FinanceObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {
diff --git a/lib/IdentityObjectSerializer.php b/lib/IdentityObjectSerializer.php
index 4a1e1ab2..aa2ddbd7 100644
--- a/lib/IdentityObjectSerializer.php
+++ b/lib/IdentityObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {
diff --git a/lib/Models/Accounting/Account.php b/lib/Models/Accounting/Account.php
index 6474aec1..0c76b986 100644
--- a/lib/Models/Accounting/Account.php
+++ b/lib/Models/Accounting/Account.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/AccountType.php b/lib/Models/Accounting/AccountType.php
index fbf92b2c..dd251beb 100644
--- a/lib/Models/Accounting/AccountType.php
+++ b/lib/Models/Accounting/AccountType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Accounts.php b/lib/Models/Accounting/Accounts.php
index 5b49bc4d..28e2da51 100644
--- a/lib/Models/Accounting/Accounts.php
+++ b/lib/Models/Accounting/Accounts.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/AccountsPayable.php b/lib/Models/Accounting/AccountsPayable.php
index e5d1f27b..a8682fb5 100644
--- a/lib/Models/Accounting/AccountsPayable.php
+++ b/lib/Models/Accounting/AccountsPayable.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/AccountsReceivable.php b/lib/Models/Accounting/AccountsReceivable.php
index b2cb78b9..b20e0407 100644
--- a/lib/Models/Accounting/AccountsReceivable.php
+++ b/lib/Models/Accounting/AccountsReceivable.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Action.php b/lib/Models/Accounting/Action.php
index acd1b846..8ca43fdf 100644
--- a/lib/Models/Accounting/Action.php
+++ b/lib/Models/Accounting/Action.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Actions.php b/lib/Models/Accounting/Actions.php
index 4e7e21f0..4c95dd70 100644
--- a/lib/Models/Accounting/Actions.php
+++ b/lib/Models/Accounting/Actions.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Address.php b/lib/Models/Accounting/Address.php
index 2ed7abda..ff849852 100644
--- a/lib/Models/Accounting/Address.php
+++ b/lib/Models/Accounting/Address.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/AddressForOrganisation.php b/lib/Models/Accounting/AddressForOrganisation.php
index 93ef7b3c..af0003c3 100644
--- a/lib/Models/Accounting/AddressForOrganisation.php
+++ b/lib/Models/Accounting/AddressForOrganisation.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Allocation.php b/lib/Models/Accounting/Allocation.php
index 911a8779..cc96b256 100644
--- a/lib/Models/Accounting/Allocation.php
+++ b/lib/Models/Accounting/Allocation.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Allocations.php b/lib/Models/Accounting/Allocations.php
index 60cfd6e0..75c4623c 100644
--- a/lib/Models/Accounting/Allocations.php
+++ b/lib/Models/Accounting/Allocations.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Attachment.php b/lib/Models/Accounting/Attachment.php
index 131d54c4..304a85dc 100644
--- a/lib/Models/Accounting/Attachment.php
+++ b/lib/Models/Accounting/Attachment.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Attachments.php b/lib/Models/Accounting/Attachments.php
index 0890e5ae..6923fa4d 100644
--- a/lib/Models/Accounting/Attachments.php
+++ b/lib/Models/Accounting/Attachments.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/BalanceDetails.php b/lib/Models/Accounting/BalanceDetails.php
index 55ddd849..42003949 100644
--- a/lib/Models/Accounting/BalanceDetails.php
+++ b/lib/Models/Accounting/BalanceDetails.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Balances.php b/lib/Models/Accounting/Balances.php
index a1ba00ba..e73c4f82 100644
--- a/lib/Models/Accounting/Balances.php
+++ b/lib/Models/Accounting/Balances.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/BankTransaction.php b/lib/Models/Accounting/BankTransaction.php
index 77223003..2c4b3c64 100644
--- a/lib/Models/Accounting/BankTransaction.php
+++ b/lib/Models/Accounting/BankTransaction.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/BankTransactions.php b/lib/Models/Accounting/BankTransactions.php
index 0dc23681..a2eeae16 100644
--- a/lib/Models/Accounting/BankTransactions.php
+++ b/lib/Models/Accounting/BankTransactions.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/BankTransfer.php b/lib/Models/Accounting/BankTransfer.php
index ea140260..82655e1e 100644
--- a/lib/Models/Accounting/BankTransfer.php
+++ b/lib/Models/Accounting/BankTransfer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/BankTransfers.php b/lib/Models/Accounting/BankTransfers.php
index 76ee369f..067b818d 100644
--- a/lib/Models/Accounting/BankTransfers.php
+++ b/lib/Models/Accounting/BankTransfers.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/BatchPayment.php b/lib/Models/Accounting/BatchPayment.php
index 0966455e..8572ba33 100644
--- a/lib/Models/Accounting/BatchPayment.php
+++ b/lib/Models/Accounting/BatchPayment.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/BatchPaymentDetails.php b/lib/Models/Accounting/BatchPaymentDetails.php
index e9f3626d..0cbfee56 100644
--- a/lib/Models/Accounting/BatchPaymentDetails.php
+++ b/lib/Models/Accounting/BatchPaymentDetails.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/BatchPayments.php b/lib/Models/Accounting/BatchPayments.php
index a4756779..330057e5 100644
--- a/lib/Models/Accounting/BatchPayments.php
+++ b/lib/Models/Accounting/BatchPayments.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Bill.php b/lib/Models/Accounting/Bill.php
index d77ae329..95bb2cf6 100644
--- a/lib/Models/Accounting/Bill.php
+++ b/lib/Models/Accounting/Bill.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/BrandingTheme.php b/lib/Models/Accounting/BrandingTheme.php
index 15a09b3c..8ca32f38 100644
--- a/lib/Models/Accounting/BrandingTheme.php
+++ b/lib/Models/Accounting/BrandingTheme.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/BrandingThemes.php b/lib/Models/Accounting/BrandingThemes.php
index ed6fe3e6..44a1ae84 100644
--- a/lib/Models/Accounting/BrandingThemes.php
+++ b/lib/Models/Accounting/BrandingThemes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Budget.php b/lib/Models/Accounting/Budget.php
index a5b0507c..acaa7fe1 100644
--- a/lib/Models/Accounting/Budget.php
+++ b/lib/Models/Accounting/Budget.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/BudgetBalance.php b/lib/Models/Accounting/BudgetBalance.php
index a81affdc..9faaffc3 100644
--- a/lib/Models/Accounting/BudgetBalance.php
+++ b/lib/Models/Accounting/BudgetBalance.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/BudgetLine.php b/lib/Models/Accounting/BudgetLine.php
index 85d7df21..96f7271c 100644
--- a/lib/Models/Accounting/BudgetLine.php
+++ b/lib/Models/Accounting/BudgetLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Budgets.php b/lib/Models/Accounting/Budgets.php
index 58267fdb..16e27bef 100644
--- a/lib/Models/Accounting/Budgets.php
+++ b/lib/Models/Accounting/Budgets.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/CISOrgSetting.php b/lib/Models/Accounting/CISOrgSetting.php
index 0c557d29..bd5ef630 100644
--- a/lib/Models/Accounting/CISOrgSetting.php
+++ b/lib/Models/Accounting/CISOrgSetting.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/CISOrgSettings.php b/lib/Models/Accounting/CISOrgSettings.php
index 61267976..dd9f9c35 100644
--- a/lib/Models/Accounting/CISOrgSettings.php
+++ b/lib/Models/Accounting/CISOrgSettings.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/CISSetting.php b/lib/Models/Accounting/CISSetting.php
index 0f0b72fd..2330de75 100644
--- a/lib/Models/Accounting/CISSetting.php
+++ b/lib/Models/Accounting/CISSetting.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/CISSettings.php b/lib/Models/Accounting/CISSettings.php
index 450cccb5..4edcd90a 100644
--- a/lib/Models/Accounting/CISSettings.php
+++ b/lib/Models/Accounting/CISSettings.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Contact.php b/lib/Models/Accounting/Contact.php
index 465a535c..064af44a 100644
--- a/lib/Models/Accounting/Contact.php
+++ b/lib/Models/Accounting/Contact.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/ContactGroup.php b/lib/Models/Accounting/ContactGroup.php
index 7bc2930a..8d074640 100644
--- a/lib/Models/Accounting/ContactGroup.php
+++ b/lib/Models/Accounting/ContactGroup.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/ContactGroups.php b/lib/Models/Accounting/ContactGroups.php
index 43972619..b247057d 100644
--- a/lib/Models/Accounting/ContactGroups.php
+++ b/lib/Models/Accounting/ContactGroups.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/ContactPerson.php b/lib/Models/Accounting/ContactPerson.php
index 667aa5f4..b7d2c988 100644
--- a/lib/Models/Accounting/ContactPerson.php
+++ b/lib/Models/Accounting/ContactPerson.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Contacts.php b/lib/Models/Accounting/Contacts.php
index 992a8804..122af024 100644
--- a/lib/Models/Accounting/Contacts.php
+++ b/lib/Models/Accounting/Contacts.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/ConversionBalances.php b/lib/Models/Accounting/ConversionBalances.php
index 2cd7f6ed..8c7208f7 100644
--- a/lib/Models/Accounting/ConversionBalances.php
+++ b/lib/Models/Accounting/ConversionBalances.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/ConversionDate.php b/lib/Models/Accounting/ConversionDate.php
index 522999b4..1d44d843 100644
--- a/lib/Models/Accounting/ConversionDate.php
+++ b/lib/Models/Accounting/ConversionDate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/CountryCode.php b/lib/Models/Accounting/CountryCode.php
index 229953a3..89446d2e 100644
--- a/lib/Models/Accounting/CountryCode.php
+++ b/lib/Models/Accounting/CountryCode.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/CreditNote.php b/lib/Models/Accounting/CreditNote.php
index 091cb3d8..fb70440f 100644
--- a/lib/Models/Accounting/CreditNote.php
+++ b/lib/Models/Accounting/CreditNote.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/CreditNotes.php b/lib/Models/Accounting/CreditNotes.php
index 3164b5c2..5f0de03a 100644
--- a/lib/Models/Accounting/CreditNotes.php
+++ b/lib/Models/Accounting/CreditNotes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Currencies.php b/lib/Models/Accounting/Currencies.php
index 7b7f7971..9213f912 100644
--- a/lib/Models/Accounting/Currencies.php
+++ b/lib/Models/Accounting/Currencies.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Currency.php b/lib/Models/Accounting/Currency.php
index 6a82e4a0..6ab79397 100644
--- a/lib/Models/Accounting/Currency.php
+++ b/lib/Models/Accounting/Currency.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/CurrencyCode.php b/lib/Models/Accounting/CurrencyCode.php
index 3a03ae8d..bd8934cf 100644
--- a/lib/Models/Accounting/CurrencyCode.php
+++ b/lib/Models/Accounting/CurrencyCode.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Element.php b/lib/Models/Accounting/Element.php
index 8bef1e03..b25b2f1e 100644
--- a/lib/Models/Accounting/Element.php
+++ b/lib/Models/Accounting/Element.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Employee.php b/lib/Models/Accounting/Employee.php
index a350bf04..0b1beb34 100644
--- a/lib/Models/Accounting/Employee.php
+++ b/lib/Models/Accounting/Employee.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Employees.php b/lib/Models/Accounting/Employees.php
index d0baf3ff..6abedac3 100644
--- a/lib/Models/Accounting/Employees.php
+++ b/lib/Models/Accounting/Employees.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Error.php b/lib/Models/Accounting/Error.php
index a802873e..2c2b58d9 100644
--- a/lib/Models/Accounting/Error.php
+++ b/lib/Models/Accounting/Error.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/ExpenseClaim.php b/lib/Models/Accounting/ExpenseClaim.php
index 32386684..3f7ad4d7 100644
--- a/lib/Models/Accounting/ExpenseClaim.php
+++ b/lib/Models/Accounting/ExpenseClaim.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/ExpenseClaims.php b/lib/Models/Accounting/ExpenseClaims.php
index 30cd0f9b..415c0f76 100644
--- a/lib/Models/Accounting/ExpenseClaims.php
+++ b/lib/Models/Accounting/ExpenseClaims.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/ExternalLink.php b/lib/Models/Accounting/ExternalLink.php
index 711507e9..dd0b5699 100644
--- a/lib/Models/Accounting/ExternalLink.php
+++ b/lib/Models/Accounting/ExternalLink.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/HistoryRecord.php b/lib/Models/Accounting/HistoryRecord.php
index fd09039d..83ddf2da 100644
--- a/lib/Models/Accounting/HistoryRecord.php
+++ b/lib/Models/Accounting/HistoryRecord.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/HistoryRecords.php b/lib/Models/Accounting/HistoryRecords.php
index 424096f5..039d5d9f 100644
--- a/lib/Models/Accounting/HistoryRecords.php
+++ b/lib/Models/Accounting/HistoryRecords.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/ImportSummary.php b/lib/Models/Accounting/ImportSummary.php
index 218b4931..d0f2ae67 100644
--- a/lib/Models/Accounting/ImportSummary.php
+++ b/lib/Models/Accounting/ImportSummary.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/ImportSummaryAccounts.php b/lib/Models/Accounting/ImportSummaryAccounts.php
index 14d17955..5306f7c3 100644
--- a/lib/Models/Accounting/ImportSummaryAccounts.php
+++ b/lib/Models/Accounting/ImportSummaryAccounts.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/ImportSummaryObject.php b/lib/Models/Accounting/ImportSummaryObject.php
index 66cc44c5..badb795d 100644
--- a/lib/Models/Accounting/ImportSummaryObject.php
+++ b/lib/Models/Accounting/ImportSummaryObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/ImportSummaryOrganisation.php b/lib/Models/Accounting/ImportSummaryOrganisation.php
index ac6ccc0d..4b772a30 100644
--- a/lib/Models/Accounting/ImportSummaryOrganisation.php
+++ b/lib/Models/Accounting/ImportSummaryOrganisation.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Invoice.php b/lib/Models/Accounting/Invoice.php
index 95a20c2f..b5ed2623 100644
--- a/lib/Models/Accounting/Invoice.php
+++ b/lib/Models/Accounting/Invoice.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/InvoiceReminder.php b/lib/Models/Accounting/InvoiceReminder.php
index 414146af..e0441605 100644
--- a/lib/Models/Accounting/InvoiceReminder.php
+++ b/lib/Models/Accounting/InvoiceReminder.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/InvoiceReminders.php b/lib/Models/Accounting/InvoiceReminders.php
index 1a63c613..baa5a362 100644
--- a/lib/Models/Accounting/InvoiceReminders.php
+++ b/lib/Models/Accounting/InvoiceReminders.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Invoices.php b/lib/Models/Accounting/Invoices.php
index c0cf94f2..48702aed 100644
--- a/lib/Models/Accounting/Invoices.php
+++ b/lib/Models/Accounting/Invoices.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Item.php b/lib/Models/Accounting/Item.php
index 54b4798d..4df41271 100644
--- a/lib/Models/Accounting/Item.php
+++ b/lib/Models/Accounting/Item.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Items.php b/lib/Models/Accounting/Items.php
index 2c5afed6..e8cf97ef 100644
--- a/lib/Models/Accounting/Items.php
+++ b/lib/Models/Accounting/Items.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Journal.php b/lib/Models/Accounting/Journal.php
index 2622cfa3..fcef8954 100644
--- a/lib/Models/Accounting/Journal.php
+++ b/lib/Models/Accounting/Journal.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/JournalLine.php b/lib/Models/Accounting/JournalLine.php
index f726e438..164d99b4 100644
--- a/lib/Models/Accounting/JournalLine.php
+++ b/lib/Models/Accounting/JournalLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Journals.php b/lib/Models/Accounting/Journals.php
index 856c6bc8..92e47a56 100644
--- a/lib/Models/Accounting/Journals.php
+++ b/lib/Models/Accounting/Journals.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/LineAmountTypes.php b/lib/Models/Accounting/LineAmountTypes.php
index 63a3f2fe..6cabc67c 100644
--- a/lib/Models/Accounting/LineAmountTypes.php
+++ b/lib/Models/Accounting/LineAmountTypes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/LineItem.php b/lib/Models/Accounting/LineItem.php
index 2d6bf02c..9e1de274 100644
--- a/lib/Models/Accounting/LineItem.php
+++ b/lib/Models/Accounting/LineItem.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/LineItemItem.php b/lib/Models/Accounting/LineItemItem.php
index 5d803f0a..ca634b47 100644
--- a/lib/Models/Accounting/LineItemItem.php
+++ b/lib/Models/Accounting/LineItemItem.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/LineItemTracking.php b/lib/Models/Accounting/LineItemTracking.php
index a6687862..96d7eab8 100644
--- a/lib/Models/Accounting/LineItemTracking.php
+++ b/lib/Models/Accounting/LineItemTracking.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/LinkedTransaction.php b/lib/Models/Accounting/LinkedTransaction.php
index a168d693..052eab1c 100644
--- a/lib/Models/Accounting/LinkedTransaction.php
+++ b/lib/Models/Accounting/LinkedTransaction.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/LinkedTransactions.php b/lib/Models/Accounting/LinkedTransactions.php
index 1a8204bf..cde516ae 100644
--- a/lib/Models/Accounting/LinkedTransactions.php
+++ b/lib/Models/Accounting/LinkedTransactions.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/ManualJournal.php b/lib/Models/Accounting/ManualJournal.php
index 7744aac3..6c7dff42 100644
--- a/lib/Models/Accounting/ManualJournal.php
+++ b/lib/Models/Accounting/ManualJournal.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/ManualJournalLine.php b/lib/Models/Accounting/ManualJournalLine.php
index 9b92c910..5e9e2272 100644
--- a/lib/Models/Accounting/ManualJournalLine.php
+++ b/lib/Models/Accounting/ManualJournalLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/ManualJournals.php b/lib/Models/Accounting/ManualJournals.php
index 38c0bced..e5957ec7 100644
--- a/lib/Models/Accounting/ManualJournals.php
+++ b/lib/Models/Accounting/ManualJournals.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/ModelInterface.php b/lib/Models/Accounting/ModelInterface.php
index cc832174..873fcae6 100644
--- a/lib/Models/Accounting/ModelInterface.php
+++ b/lib/Models/Accounting/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/OnlineInvoice.php b/lib/Models/Accounting/OnlineInvoice.php
index d357f68e..63ff227e 100644
--- a/lib/Models/Accounting/OnlineInvoice.php
+++ b/lib/Models/Accounting/OnlineInvoice.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/OnlineInvoices.php b/lib/Models/Accounting/OnlineInvoices.php
index 43607005..23ea2740 100644
--- a/lib/Models/Accounting/OnlineInvoices.php
+++ b/lib/Models/Accounting/OnlineInvoices.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Organisation.php b/lib/Models/Accounting/Organisation.php
index 692116eb..469d4f58 100644
--- a/lib/Models/Accounting/Organisation.php
+++ b/lib/Models/Accounting/Organisation.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Organisations.php b/lib/Models/Accounting/Organisations.php
index ca2c7047..5e94b73b 100644
--- a/lib/Models/Accounting/Organisations.php
+++ b/lib/Models/Accounting/Organisations.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Overpayment.php b/lib/Models/Accounting/Overpayment.php
index 3414f17b..f6e8aee1 100644
--- a/lib/Models/Accounting/Overpayment.php
+++ b/lib/Models/Accounting/Overpayment.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Overpayments.php b/lib/Models/Accounting/Overpayments.php
index 3b37bcd7..ecd74275 100644
--- a/lib/Models/Accounting/Overpayments.php
+++ b/lib/Models/Accounting/Overpayments.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Payment.php b/lib/Models/Accounting/Payment.php
index ed9b5221..eafdf231 100644
--- a/lib/Models/Accounting/Payment.php
+++ b/lib/Models/Accounting/Payment.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/PaymentDelete.php b/lib/Models/Accounting/PaymentDelete.php
index 9432e06f..80ce6e0e 100644
--- a/lib/Models/Accounting/PaymentDelete.php
+++ b/lib/Models/Accounting/PaymentDelete.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/PaymentService.php b/lib/Models/Accounting/PaymentService.php
index 37d3483f..6b504606 100644
--- a/lib/Models/Accounting/PaymentService.php
+++ b/lib/Models/Accounting/PaymentService.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/PaymentServices.php b/lib/Models/Accounting/PaymentServices.php
index b079d97d..d59db943 100644
--- a/lib/Models/Accounting/PaymentServices.php
+++ b/lib/Models/Accounting/PaymentServices.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/PaymentTerm.php b/lib/Models/Accounting/PaymentTerm.php
index 7de74763..33cfaa0c 100644
--- a/lib/Models/Accounting/PaymentTerm.php
+++ b/lib/Models/Accounting/PaymentTerm.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/PaymentTermType.php b/lib/Models/Accounting/PaymentTermType.php
index 60825871..70f8e122 100644
--- a/lib/Models/Accounting/PaymentTermType.php
+++ b/lib/Models/Accounting/PaymentTermType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Payments.php b/lib/Models/Accounting/Payments.php
index 086dffbe..d7258003 100644
--- a/lib/Models/Accounting/Payments.php
+++ b/lib/Models/Accounting/Payments.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Phone.php b/lib/Models/Accounting/Phone.php
index 672c3ded..84ea865f 100644
--- a/lib/Models/Accounting/Phone.php
+++ b/lib/Models/Accounting/Phone.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Prepayment.php b/lib/Models/Accounting/Prepayment.php
index b9b410d0..dfe66da0 100644
--- a/lib/Models/Accounting/Prepayment.php
+++ b/lib/Models/Accounting/Prepayment.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Prepayments.php b/lib/Models/Accounting/Prepayments.php
index 44baaaf7..b3e758c0 100644
--- a/lib/Models/Accounting/Prepayments.php
+++ b/lib/Models/Accounting/Prepayments.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Purchase.php b/lib/Models/Accounting/Purchase.php
index 0366c4d4..b34b6e0c 100644
--- a/lib/Models/Accounting/Purchase.php
+++ b/lib/Models/Accounting/Purchase.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/PurchaseOrder.php b/lib/Models/Accounting/PurchaseOrder.php
index 45e04d3a..1be220fa 100644
--- a/lib/Models/Accounting/PurchaseOrder.php
+++ b/lib/Models/Accounting/PurchaseOrder.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/PurchaseOrders.php b/lib/Models/Accounting/PurchaseOrders.php
index 1b77a6f4..e6204d02 100644
--- a/lib/Models/Accounting/PurchaseOrders.php
+++ b/lib/Models/Accounting/PurchaseOrders.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Quote.php b/lib/Models/Accounting/Quote.php
index a01b715f..822710a1 100644
--- a/lib/Models/Accounting/Quote.php
+++ b/lib/Models/Accounting/Quote.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/QuoteLineAmountTypes.php b/lib/Models/Accounting/QuoteLineAmountTypes.php
index 73203b24..88299781 100644
--- a/lib/Models/Accounting/QuoteLineAmountTypes.php
+++ b/lib/Models/Accounting/QuoteLineAmountTypes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/QuoteStatusCodes.php b/lib/Models/Accounting/QuoteStatusCodes.php
index 1db06892..d76cbec5 100644
--- a/lib/Models/Accounting/QuoteStatusCodes.php
+++ b/lib/Models/Accounting/QuoteStatusCodes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Quotes.php b/lib/Models/Accounting/Quotes.php
index 60c453f2..f35a1c6b 100644
--- a/lib/Models/Accounting/Quotes.php
+++ b/lib/Models/Accounting/Quotes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Receipt.php b/lib/Models/Accounting/Receipt.php
index cf344e41..65f4e507 100644
--- a/lib/Models/Accounting/Receipt.php
+++ b/lib/Models/Accounting/Receipt.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Receipts.php b/lib/Models/Accounting/Receipts.php
index 93c8413a..76d2acae 100644
--- a/lib/Models/Accounting/Receipts.php
+++ b/lib/Models/Accounting/Receipts.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/RepeatingInvoice.php b/lib/Models/Accounting/RepeatingInvoice.php
index 841acea7..92840788 100644
--- a/lib/Models/Accounting/RepeatingInvoice.php
+++ b/lib/Models/Accounting/RepeatingInvoice.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/RepeatingInvoices.php b/lib/Models/Accounting/RepeatingInvoices.php
index 1ed338e7..96d846e2 100644
--- a/lib/Models/Accounting/RepeatingInvoices.php
+++ b/lib/Models/Accounting/RepeatingInvoices.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Report.php b/lib/Models/Accounting/Report.php
index caeaa7ec..1e5240c7 100644
--- a/lib/Models/Accounting/Report.php
+++ b/lib/Models/Accounting/Report.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/ReportAttribute.php b/lib/Models/Accounting/ReportAttribute.php
index 3339a3e3..904d3bea 100644
--- a/lib/Models/Accounting/ReportAttribute.php
+++ b/lib/Models/Accounting/ReportAttribute.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/ReportCell.php b/lib/Models/Accounting/ReportCell.php
index 1343e15e..4a80cb5c 100644
--- a/lib/Models/Accounting/ReportCell.php
+++ b/lib/Models/Accounting/ReportCell.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/ReportFields.php b/lib/Models/Accounting/ReportFields.php
index 01d8401d..073f85ff 100644
--- a/lib/Models/Accounting/ReportFields.php
+++ b/lib/Models/Accounting/ReportFields.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/ReportRow.php b/lib/Models/Accounting/ReportRow.php
index 1fb712e9..085d9dde 100644
--- a/lib/Models/Accounting/ReportRow.php
+++ b/lib/Models/Accounting/ReportRow.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/ReportRows.php b/lib/Models/Accounting/ReportRows.php
index fbb5527e..d1b608a7 100644
--- a/lib/Models/Accounting/ReportRows.php
+++ b/lib/Models/Accounting/ReportRows.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/ReportWithRow.php b/lib/Models/Accounting/ReportWithRow.php
index 7667dcfa..de18e7bb 100644
--- a/lib/Models/Accounting/ReportWithRow.php
+++ b/lib/Models/Accounting/ReportWithRow.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/ReportWithRows.php b/lib/Models/Accounting/ReportWithRows.php
index e540f33e..51333d19 100644
--- a/lib/Models/Accounting/ReportWithRows.php
+++ b/lib/Models/Accounting/ReportWithRows.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Reports.php b/lib/Models/Accounting/Reports.php
index f31a2307..b554765e 100644
--- a/lib/Models/Accounting/Reports.php
+++ b/lib/Models/Accounting/Reports.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/RequestEmpty.php b/lib/Models/Accounting/RequestEmpty.php
index e399b8eb..311ba4c1 100644
--- a/lib/Models/Accounting/RequestEmpty.php
+++ b/lib/Models/Accounting/RequestEmpty.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/RowType.php b/lib/Models/Accounting/RowType.php
index 62207fa8..0f88f32e 100644
--- a/lib/Models/Accounting/RowType.php
+++ b/lib/Models/Accounting/RowType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/SalesTrackingCategory.php b/lib/Models/Accounting/SalesTrackingCategory.php
index 15acb254..9efd1cce 100644
--- a/lib/Models/Accounting/SalesTrackingCategory.php
+++ b/lib/Models/Accounting/SalesTrackingCategory.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Schedule.php b/lib/Models/Accounting/Schedule.php
index 6ab4b4e1..856abff5 100644
--- a/lib/Models/Accounting/Schedule.php
+++ b/lib/Models/Accounting/Schedule.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Setup.php b/lib/Models/Accounting/Setup.php
index 615d8cd5..68df2daf 100644
--- a/lib/Models/Accounting/Setup.php
+++ b/lib/Models/Accounting/Setup.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/TaxComponent.php b/lib/Models/Accounting/TaxComponent.php
index 4c88b407..d00525e0 100644
--- a/lib/Models/Accounting/TaxComponent.php
+++ b/lib/Models/Accounting/TaxComponent.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/TaxRate.php b/lib/Models/Accounting/TaxRate.php
index 1256549c..b4175cc8 100644
--- a/lib/Models/Accounting/TaxRate.php
+++ b/lib/Models/Accounting/TaxRate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/TaxRates.php b/lib/Models/Accounting/TaxRates.php
index 6e07a9e2..544b9f40 100644
--- a/lib/Models/Accounting/TaxRates.php
+++ b/lib/Models/Accounting/TaxRates.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/TaxType.php b/lib/Models/Accounting/TaxType.php
index 648e2eab..bb7d5382 100644
--- a/lib/Models/Accounting/TaxType.php
+++ b/lib/Models/Accounting/TaxType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/TenNinetyNineContact.php b/lib/Models/Accounting/TenNinetyNineContact.php
index 389df1fe..6002940d 100644
--- a/lib/Models/Accounting/TenNinetyNineContact.php
+++ b/lib/Models/Accounting/TenNinetyNineContact.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/TimeZone.php b/lib/Models/Accounting/TimeZone.php
index 6879afc6..ec82fd81 100644
--- a/lib/Models/Accounting/TimeZone.php
+++ b/lib/Models/Accounting/TimeZone.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/TrackingCategories.php b/lib/Models/Accounting/TrackingCategories.php
index 39866de8..c79b07ff 100644
--- a/lib/Models/Accounting/TrackingCategories.php
+++ b/lib/Models/Accounting/TrackingCategories.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/TrackingCategory.php b/lib/Models/Accounting/TrackingCategory.php
index 29474d8a..1dfc23ef 100644
--- a/lib/Models/Accounting/TrackingCategory.php
+++ b/lib/Models/Accounting/TrackingCategory.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/TrackingOption.php b/lib/Models/Accounting/TrackingOption.php
index 9b5ed721..5983d69e 100644
--- a/lib/Models/Accounting/TrackingOption.php
+++ b/lib/Models/Accounting/TrackingOption.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/TrackingOptions.php b/lib/Models/Accounting/TrackingOptions.php
index 2649df1e..a7614d7f 100644
--- a/lib/Models/Accounting/TrackingOptions.php
+++ b/lib/Models/Accounting/TrackingOptions.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/User.php b/lib/Models/Accounting/User.php
index 9299eb2a..3651bac3 100644
--- a/lib/Models/Accounting/User.php
+++ b/lib/Models/Accounting/User.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/Users.php b/lib/Models/Accounting/Users.php
index 418e03a2..19185c4d 100644
--- a/lib/Models/Accounting/Users.php
+++ b/lib/Models/Accounting/Users.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Accounting/ValidationError.php b/lib/Models/Accounting/ValidationError.php
index 20eed104..6c6fc13e 100644
--- a/lib/Models/Accounting/ValidationError.php
+++ b/lib/Models/Accounting/ValidationError.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/AppStore/ModelInterface.php b/lib/Models/AppStore/ModelInterface.php
index 6cbbb19b..c13660f2 100644
--- a/lib/Models/AppStore/ModelInterface.php
+++ b/lib/Models/AppStore/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/AppStore/Plan.php b/lib/Models/AppStore/Plan.php
index 0c036283..d03d0b67 100644
--- a/lib/Models/AppStore/Plan.php
+++ b/lib/Models/AppStore/Plan.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/AppStore/Price.php b/lib/Models/AppStore/Price.php
index cb465355..8f226654 100644
--- a/lib/Models/AppStore/Price.php
+++ b/lib/Models/AppStore/Price.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/AppStore/ProblemDetails.php b/lib/Models/AppStore/ProblemDetails.php
index 0308d176..7c1aed1c 100644
--- a/lib/Models/AppStore/ProblemDetails.php
+++ b/lib/Models/AppStore/ProblemDetails.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/AppStore/Product.php b/lib/Models/AppStore/Product.php
index becee252..c1c773f7 100644
--- a/lib/Models/AppStore/Product.php
+++ b/lib/Models/AppStore/Product.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/AppStore/Subscription.php b/lib/Models/AppStore/Subscription.php
index 60fbc688..2426f8b2 100644
--- a/lib/Models/AppStore/Subscription.php
+++ b/lib/Models/AppStore/Subscription.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/AppStore/SubscriptionItem.php b/lib/Models/AppStore/SubscriptionItem.php
index d7f53e55..e5a9cb39 100644
--- a/lib/Models/AppStore/SubscriptionItem.php
+++ b/lib/Models/AppStore/SubscriptionItem.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Asset/Asset.php b/lib/Models/Asset/Asset.php
index 1326dc7f..f83fb440 100644
--- a/lib/Models/Asset/Asset.php
+++ b/lib/Models/Asset/Asset.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Asset/AssetStatus.php b/lib/Models/Asset/AssetStatus.php
index b65fb95f..f061a703 100644
--- a/lib/Models/Asset/AssetStatus.php
+++ b/lib/Models/Asset/AssetStatus.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Asset/AssetStatusQueryParam.php b/lib/Models/Asset/AssetStatusQueryParam.php
index a6648090..f85932f9 100644
--- a/lib/Models/Asset/AssetStatusQueryParam.php
+++ b/lib/Models/Asset/AssetStatusQueryParam.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Asset/AssetType.php b/lib/Models/Asset/AssetType.php
index 6ab7f297..21e74654 100644
--- a/lib/Models/Asset/AssetType.php
+++ b/lib/Models/Asset/AssetType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Asset/Assets.php b/lib/Models/Asset/Assets.php
index d7a0f1b9..cf12d98f 100644
--- a/lib/Models/Asset/Assets.php
+++ b/lib/Models/Asset/Assets.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Asset/BookDepreciationDetail.php b/lib/Models/Asset/BookDepreciationDetail.php
index 8fcce4d7..e18c8d9a 100644
--- a/lib/Models/Asset/BookDepreciationDetail.php
+++ b/lib/Models/Asset/BookDepreciationDetail.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Asset/BookDepreciationSetting.php b/lib/Models/Asset/BookDepreciationSetting.php
index 78cdeed3..e1b3048e 100644
--- a/lib/Models/Asset/BookDepreciationSetting.php
+++ b/lib/Models/Asset/BookDepreciationSetting.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Asset/Error.php b/lib/Models/Asset/Error.php
index 198c86f6..698d9a50 100644
--- a/lib/Models/Asset/Error.php
+++ b/lib/Models/Asset/Error.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Asset/FieldValidationErrorsElement.php b/lib/Models/Asset/FieldValidationErrorsElement.php
index 60ec2592..940169a8 100644
--- a/lib/Models/Asset/FieldValidationErrorsElement.php
+++ b/lib/Models/Asset/FieldValidationErrorsElement.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Asset/ModelInterface.php b/lib/Models/Asset/ModelInterface.php
index af8d8d1b..65661f7d 100644
--- a/lib/Models/Asset/ModelInterface.php
+++ b/lib/Models/Asset/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Asset/Pagination.php b/lib/Models/Asset/Pagination.php
index 5c883e2e..7fc6b07e 100644
--- a/lib/Models/Asset/Pagination.php
+++ b/lib/Models/Asset/Pagination.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Asset/ResourceValidationErrorsElement.php b/lib/Models/Asset/ResourceValidationErrorsElement.php
index 517b6104..184e7153 100644
--- a/lib/Models/Asset/ResourceValidationErrorsElement.php
+++ b/lib/Models/Asset/ResourceValidationErrorsElement.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Asset/Setting.php b/lib/Models/Asset/Setting.php
index 8f01b0cf..b13df6ea 100644
--- a/lib/Models/Asset/Setting.php
+++ b/lib/Models/Asset/Setting.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/File/Association.php b/lib/Models/File/Association.php
index f1123466..7855656a 100644
--- a/lib/Models/File/Association.php
+++ b/lib/Models/File/Association.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/File/FileObject.php b/lib/Models/File/FileObject.php
index cbaa0b82..5fc613b0 100644
--- a/lib/Models/File/FileObject.php
+++ b/lib/Models/File/FileObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/File/Files.php b/lib/Models/File/Files.php
index 396a17cf..fa1451d2 100644
--- a/lib/Models/File/Files.php
+++ b/lib/Models/File/Files.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/File/Folder.php b/lib/Models/File/Folder.php
index 73dc7ed1..4c31e6d9 100644
--- a/lib/Models/File/Folder.php
+++ b/lib/Models/File/Folder.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/File/Folders.php b/lib/Models/File/Folders.php
index d48e39ab..60702c3c 100644
--- a/lib/Models/File/Folders.php
+++ b/lib/Models/File/Folders.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/File/ModelInterface.php b/lib/Models/File/ModelInterface.php
index 87496455..4e6f7275 100644
--- a/lib/Models/File/ModelInterface.php
+++ b/lib/Models/File/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/File/ObjectGroup.php b/lib/Models/File/ObjectGroup.php
index 3b300c71..004f8056 100644
--- a/lib/Models/File/ObjectGroup.php
+++ b/lib/Models/File/ObjectGroup.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/File/ObjectType.php b/lib/Models/File/ObjectType.php
index 22d81745..8f4c947f 100644
--- a/lib/Models/File/ObjectType.php
+++ b/lib/Models/File/ObjectType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/File/User.php b/lib/Models/File/User.php
index 6e2248f3..80268072 100644
--- a/lib/Models/File/User.php
+++ b/lib/Models/File/User.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/AccountUsage.php b/lib/Models/Finance/AccountUsage.php
index 5fde2eed..855b3885 100644
--- a/lib/Models/Finance/AccountUsage.php
+++ b/lib/Models/Finance/AccountUsage.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/AccountUsageResponse.php b/lib/Models/Finance/AccountUsageResponse.php
index dff61f3d..81a80767 100644
--- a/lib/Models/Finance/AccountUsageResponse.php
+++ b/lib/Models/Finance/AccountUsageResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/BalanceSheetAccountDetail.php b/lib/Models/Finance/BalanceSheetAccountDetail.php
index f381ef41..97038c05 100644
--- a/lib/Models/Finance/BalanceSheetAccountDetail.php
+++ b/lib/Models/Finance/BalanceSheetAccountDetail.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/BalanceSheetAccountGroup.php b/lib/Models/Finance/BalanceSheetAccountGroup.php
index 6476acc8..3e9cc146 100644
--- a/lib/Models/Finance/BalanceSheetAccountGroup.php
+++ b/lib/Models/Finance/BalanceSheetAccountGroup.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/BalanceSheetAccountType.php b/lib/Models/Finance/BalanceSheetAccountType.php
index 76946d45..75a37141 100644
--- a/lib/Models/Finance/BalanceSheetAccountType.php
+++ b/lib/Models/Finance/BalanceSheetAccountType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/BalanceSheetResponse.php b/lib/Models/Finance/BalanceSheetResponse.php
index fd50defa..822d87ed 100644
--- a/lib/Models/Finance/BalanceSheetResponse.php
+++ b/lib/Models/Finance/BalanceSheetResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/BankStatementAccountingResponse.php b/lib/Models/Finance/BankStatementAccountingResponse.php
index 676a798c..a98c3c7a 100644
--- a/lib/Models/Finance/BankStatementAccountingResponse.php
+++ b/lib/Models/Finance/BankStatementAccountingResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/BankStatementResponse.php b/lib/Models/Finance/BankStatementResponse.php
index b2b08b99..7c8cdc9c 100644
--- a/lib/Models/Finance/BankStatementResponse.php
+++ b/lib/Models/Finance/BankStatementResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/BankTransactionResponse.php b/lib/Models/Finance/BankTransactionResponse.php
index 9bffc495..11bc05df 100644
--- a/lib/Models/Finance/BankTransactionResponse.php
+++ b/lib/Models/Finance/BankTransactionResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/CashAccountResponse.php b/lib/Models/Finance/CashAccountResponse.php
index c259cf90..2e9660c7 100644
--- a/lib/Models/Finance/CashAccountResponse.php
+++ b/lib/Models/Finance/CashAccountResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/CashBalance.php b/lib/Models/Finance/CashBalance.php
index b29e2c5a..2d09ac84 100644
--- a/lib/Models/Finance/CashBalance.php
+++ b/lib/Models/Finance/CashBalance.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/CashValidationResponse.php b/lib/Models/Finance/CashValidationResponse.php
index 8ae6fd4f..2587e7ac 100644
--- a/lib/Models/Finance/CashValidationResponse.php
+++ b/lib/Models/Finance/CashValidationResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/CashflowAccount.php b/lib/Models/Finance/CashflowAccount.php
index b76cf470..ef981400 100644
--- a/lib/Models/Finance/CashflowAccount.php
+++ b/lib/Models/Finance/CashflowAccount.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/CashflowActivity.php b/lib/Models/Finance/CashflowActivity.php
index 45776abb..f37be95b 100644
--- a/lib/Models/Finance/CashflowActivity.php
+++ b/lib/Models/Finance/CashflowActivity.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/CashflowResponse.php b/lib/Models/Finance/CashflowResponse.php
index 9be58f50..fa4fdade 100644
--- a/lib/Models/Finance/CashflowResponse.php
+++ b/lib/Models/Finance/CashflowResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/CashflowType.php b/lib/Models/Finance/CashflowType.php
index 2e5e0d37..0d1c696a 100644
--- a/lib/Models/Finance/CashflowType.php
+++ b/lib/Models/Finance/CashflowType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/ContactDetail.php b/lib/Models/Finance/ContactDetail.php
index a3d09fe1..aba6ce03 100644
--- a/lib/Models/Finance/ContactDetail.php
+++ b/lib/Models/Finance/ContactDetail.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/ContactResponse.php b/lib/Models/Finance/ContactResponse.php
index 29a4a64a..2d2a6d3a 100644
--- a/lib/Models/Finance/ContactResponse.php
+++ b/lib/Models/Finance/ContactResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/ContactTotalDetail.php b/lib/Models/Finance/ContactTotalDetail.php
index 1aeb6533..62938821 100644
--- a/lib/Models/Finance/ContactTotalDetail.php
+++ b/lib/Models/Finance/ContactTotalDetail.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/ContactTotalOther.php b/lib/Models/Finance/ContactTotalOther.php
index 8cee9cb1..1c1cea5d 100644
--- a/lib/Models/Finance/ContactTotalOther.php
+++ b/lib/Models/Finance/ContactTotalOther.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/CreditNoteResponse.php b/lib/Models/Finance/CreditNoteResponse.php
index a6f9874b..cb073eb0 100644
--- a/lib/Models/Finance/CreditNoteResponse.php
+++ b/lib/Models/Finance/CreditNoteResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/CurrentStatementResponse.php b/lib/Models/Finance/CurrentStatementResponse.php
index eef40edf..e34f9289 100644
--- a/lib/Models/Finance/CurrentStatementResponse.php
+++ b/lib/Models/Finance/CurrentStatementResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/DataSourceResponse.php b/lib/Models/Finance/DataSourceResponse.php
index cf195bff..8ae69a71 100644
--- a/lib/Models/Finance/DataSourceResponse.php
+++ b/lib/Models/Finance/DataSourceResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/HistoryRecordResponse.php b/lib/Models/Finance/HistoryRecordResponse.php
index 3aaac190..51e65fce 100644
--- a/lib/Models/Finance/HistoryRecordResponse.php
+++ b/lib/Models/Finance/HistoryRecordResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/IncomeByContactResponse.php b/lib/Models/Finance/IncomeByContactResponse.php
index 7b3d745c..f01263a2 100644
--- a/lib/Models/Finance/IncomeByContactResponse.php
+++ b/lib/Models/Finance/IncomeByContactResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/InvoiceResponse.php b/lib/Models/Finance/InvoiceResponse.php
index 0d15ac83..1d61288f 100644
--- a/lib/Models/Finance/InvoiceResponse.php
+++ b/lib/Models/Finance/InvoiceResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/LineItemResponse.php b/lib/Models/Finance/LineItemResponse.php
index 21158746..7e0cd6c0 100644
--- a/lib/Models/Finance/LineItemResponse.php
+++ b/lib/Models/Finance/LineItemResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/LockHistoryModel.php b/lib/Models/Finance/LockHistoryModel.php
index 94dba713..35a2e7e1 100644
--- a/lib/Models/Finance/LockHistoryModel.php
+++ b/lib/Models/Finance/LockHistoryModel.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/LockHistoryResponse.php b/lib/Models/Finance/LockHistoryResponse.php
index 4a9830a0..993401ed 100644
--- a/lib/Models/Finance/LockHistoryResponse.php
+++ b/lib/Models/Finance/LockHistoryResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/ManualJournalTotal.php b/lib/Models/Finance/ManualJournalTotal.php
index 7dc45501..f1a2211f 100644
--- a/lib/Models/Finance/ManualJournalTotal.php
+++ b/lib/Models/Finance/ManualJournalTotal.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/ModelInterface.php b/lib/Models/Finance/ModelInterface.php
index c76ec9b9..e4735c05 100644
--- a/lib/Models/Finance/ModelInterface.php
+++ b/lib/Models/Finance/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/OverpaymentResponse.php b/lib/Models/Finance/OverpaymentResponse.php
index 3a303874..021b251b 100644
--- a/lib/Models/Finance/OverpaymentResponse.php
+++ b/lib/Models/Finance/OverpaymentResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/PaymentResponse.php b/lib/Models/Finance/PaymentResponse.php
index 5ba6710f..30d67250 100644
--- a/lib/Models/Finance/PaymentResponse.php
+++ b/lib/Models/Finance/PaymentResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/PnlAccount.php b/lib/Models/Finance/PnlAccount.php
index c297bd7d..90c93ff5 100644
--- a/lib/Models/Finance/PnlAccount.php
+++ b/lib/Models/Finance/PnlAccount.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/PnlAccountClass.php b/lib/Models/Finance/PnlAccountClass.php
index 17cacb98..17d308c3 100644
--- a/lib/Models/Finance/PnlAccountClass.php
+++ b/lib/Models/Finance/PnlAccountClass.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/PnlAccountType.php b/lib/Models/Finance/PnlAccountType.php
index a1fa5f06..d1faffc1 100644
--- a/lib/Models/Finance/PnlAccountType.php
+++ b/lib/Models/Finance/PnlAccountType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/PracticeResponse.php b/lib/Models/Finance/PracticeResponse.php
index ac9a045d..d692a29e 100644
--- a/lib/Models/Finance/PracticeResponse.php
+++ b/lib/Models/Finance/PracticeResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/PrepaymentResponse.php b/lib/Models/Finance/PrepaymentResponse.php
index fd50e1c4..c4417a65 100644
--- a/lib/Models/Finance/PrepaymentResponse.php
+++ b/lib/Models/Finance/PrepaymentResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/Problem.php b/lib/Models/Finance/Problem.php
index e1e8dcfe..753be349 100644
--- a/lib/Models/Finance/Problem.php
+++ b/lib/Models/Finance/Problem.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/ProblemType.php b/lib/Models/Finance/ProblemType.php
index 93a335bc..24ae1098 100644
--- a/lib/Models/Finance/ProblemType.php
+++ b/lib/Models/Finance/ProblemType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/ProfitAndLossResponse.php b/lib/Models/Finance/ProfitAndLossResponse.php
index 699511f4..1c393cbe 100644
--- a/lib/Models/Finance/ProfitAndLossResponse.php
+++ b/lib/Models/Finance/ProfitAndLossResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/ReportHistoryModel.php b/lib/Models/Finance/ReportHistoryModel.php
index 0421e385..47def584 100644
--- a/lib/Models/Finance/ReportHistoryModel.php
+++ b/lib/Models/Finance/ReportHistoryModel.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/ReportHistoryResponse.php b/lib/Models/Finance/ReportHistoryResponse.php
index 0c36b1fa..a8efe4fc 100644
--- a/lib/Models/Finance/ReportHistoryResponse.php
+++ b/lib/Models/Finance/ReportHistoryResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/StatementBalanceResponse.php b/lib/Models/Finance/StatementBalanceResponse.php
index e89ef712..7bce834a 100644
--- a/lib/Models/Finance/StatementBalanceResponse.php
+++ b/lib/Models/Finance/StatementBalanceResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/StatementLineResponse.php b/lib/Models/Finance/StatementLineResponse.php
index 2bb40537..89f992b9 100644
--- a/lib/Models/Finance/StatementLineResponse.php
+++ b/lib/Models/Finance/StatementLineResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/StatementLinesResponse.php b/lib/Models/Finance/StatementLinesResponse.php
index 512e1cd0..cdc5b949 100644
--- a/lib/Models/Finance/StatementLinesResponse.php
+++ b/lib/Models/Finance/StatementLinesResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/StatementResponse.php b/lib/Models/Finance/StatementResponse.php
index 14c17d03..744e22d9 100644
--- a/lib/Models/Finance/StatementResponse.php
+++ b/lib/Models/Finance/StatementResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/TotalDetail.php b/lib/Models/Finance/TotalDetail.php
index a8b183d4..d337e0ba 100644
--- a/lib/Models/Finance/TotalDetail.php
+++ b/lib/Models/Finance/TotalDetail.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/TotalOther.php b/lib/Models/Finance/TotalOther.php
index 5034b6d4..5ec7f5d6 100644
--- a/lib/Models/Finance/TotalOther.php
+++ b/lib/Models/Finance/TotalOther.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/TrialBalanceAccount.php b/lib/Models/Finance/TrialBalanceAccount.php
index 2bf9f349..5870c742 100644
--- a/lib/Models/Finance/TrialBalanceAccount.php
+++ b/lib/Models/Finance/TrialBalanceAccount.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/TrialBalanceEntry.php b/lib/Models/Finance/TrialBalanceEntry.php
index 783110c8..36e047f4 100644
--- a/lib/Models/Finance/TrialBalanceEntry.php
+++ b/lib/Models/Finance/TrialBalanceEntry.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/TrialBalanceMovement.php b/lib/Models/Finance/TrialBalanceMovement.php
index 057356a2..b379f9f5 100644
--- a/lib/Models/Finance/TrialBalanceMovement.php
+++ b/lib/Models/Finance/TrialBalanceMovement.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/TrialBalanceResponse.php b/lib/Models/Finance/TrialBalanceResponse.php
index 16aa3ccb..bd5bbdb4 100644
--- a/lib/Models/Finance/TrialBalanceResponse.php
+++ b/lib/Models/Finance/TrialBalanceResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/UserActivitiesResponse.php b/lib/Models/Finance/UserActivitiesResponse.php
index cc3c12ea..cb63170b 100644
--- a/lib/Models/Finance/UserActivitiesResponse.php
+++ b/lib/Models/Finance/UserActivitiesResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Finance/UserResponse.php b/lib/Models/Finance/UserResponse.php
index 93327e91..098fd0a8 100644
--- a/lib/Models/Finance/UserResponse.php
+++ b/lib/Models/Finance/UserResponse.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Identity/AccessToken.php b/lib/Models/Identity/AccessToken.php
index 0dbe1068..7fcc2e33 100644
--- a/lib/Models/Identity/AccessToken.php
+++ b/lib/Models/Identity/AccessToken.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Identity/Connection.php b/lib/Models/Identity/Connection.php
index f5428e5b..9fb16fc3 100644
--- a/lib/Models/Identity/Connection.php
+++ b/lib/Models/Identity/Connection.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Identity/ModelInterface.php b/lib/Models/Identity/ModelInterface.php
index 65e1856b..dbb378c9 100644
--- a/lib/Models/Identity/ModelInterface.php
+++ b/lib/Models/Identity/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Identity/RefreshToken.php b/lib/Models/Identity/RefreshToken.php
index 83582304..059813f3 100644
--- a/lib/Models/Identity/RefreshToken.php
+++ b/lib/Models/Identity/RefreshToken.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/APIException.php b/lib/Models/PayrollAu/APIException.php
index 54f1c756..9247b719 100644
--- a/lib/Models/PayrollAu/APIException.php
+++ b/lib/Models/PayrollAu/APIException.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/Account.php b/lib/Models/PayrollAu/Account.php
index 809a8207..ff70fc27 100644
--- a/lib/Models/PayrollAu/Account.php
+++ b/lib/Models/PayrollAu/Account.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/AccountType.php b/lib/Models/PayrollAu/AccountType.php
index f8587601..8eb3de20 100644
--- a/lib/Models/PayrollAu/AccountType.php
+++ b/lib/Models/PayrollAu/AccountType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/AllowanceCategory.php b/lib/Models/PayrollAu/AllowanceCategory.php
index 330e71e2..ccd19895 100644
--- a/lib/Models/PayrollAu/AllowanceCategory.php
+++ b/lib/Models/PayrollAu/AllowanceCategory.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/AllowanceType.php b/lib/Models/PayrollAu/AllowanceType.php
index 321b0e31..458aa1be 100644
--- a/lib/Models/PayrollAu/AllowanceType.php
+++ b/lib/Models/PayrollAu/AllowanceType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/BankAccount.php b/lib/Models/PayrollAu/BankAccount.php
index 0232077f..b4ede26b 100644
--- a/lib/Models/PayrollAu/BankAccount.php
+++ b/lib/Models/PayrollAu/BankAccount.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/CalendarType.php b/lib/Models/PayrollAu/CalendarType.php
index def17ba7..8dcea85a 100644
--- a/lib/Models/PayrollAu/CalendarType.php
+++ b/lib/Models/PayrollAu/CalendarType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/DeductionLine.php b/lib/Models/PayrollAu/DeductionLine.php
index e28eebb7..1aefd82d 100644
--- a/lib/Models/PayrollAu/DeductionLine.php
+++ b/lib/Models/PayrollAu/DeductionLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/DeductionType.php b/lib/Models/PayrollAu/DeductionType.php
index d4c01dd1..ae3ff920 100644
--- a/lib/Models/PayrollAu/DeductionType.php
+++ b/lib/Models/PayrollAu/DeductionType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/DeductionTypeCalculationType.php b/lib/Models/PayrollAu/DeductionTypeCalculationType.php
index e70454ae..87c3b287 100644
--- a/lib/Models/PayrollAu/DeductionTypeCalculationType.php
+++ b/lib/Models/PayrollAu/DeductionTypeCalculationType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/EarningsLine.php b/lib/Models/PayrollAu/EarningsLine.php
index 78e1db3b..17eea6db 100644
--- a/lib/Models/PayrollAu/EarningsLine.php
+++ b/lib/Models/PayrollAu/EarningsLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/EarningsRate.php b/lib/Models/PayrollAu/EarningsRate.php
index 2ce398da..9e838988 100644
--- a/lib/Models/PayrollAu/EarningsRate.php
+++ b/lib/Models/PayrollAu/EarningsRate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/EarningsRateCalculationType.php b/lib/Models/PayrollAu/EarningsRateCalculationType.php
index f992ed31..ff183b19 100644
--- a/lib/Models/PayrollAu/EarningsRateCalculationType.php
+++ b/lib/Models/PayrollAu/EarningsRateCalculationType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/EarningsType.php b/lib/Models/PayrollAu/EarningsType.php
index c5aaf2e4..b31a884f 100644
--- a/lib/Models/PayrollAu/EarningsType.php
+++ b/lib/Models/PayrollAu/EarningsType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/Employee.php b/lib/Models/PayrollAu/Employee.php
index ce9e988b..265af4a6 100644
--- a/lib/Models/PayrollAu/Employee.php
+++ b/lib/Models/PayrollAu/Employee.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/EmployeeStatus.php b/lib/Models/PayrollAu/EmployeeStatus.php
index 8f1cf92d..16f7b3f8 100644
--- a/lib/Models/PayrollAu/EmployeeStatus.php
+++ b/lib/Models/PayrollAu/EmployeeStatus.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/Employees.php b/lib/Models/PayrollAu/Employees.php
index 527db1ee..556b5da8 100644
--- a/lib/Models/PayrollAu/Employees.php
+++ b/lib/Models/PayrollAu/Employees.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/EmploymentBasis.php b/lib/Models/PayrollAu/EmploymentBasis.php
index ec01c10a..e40e4bf4 100644
--- a/lib/Models/PayrollAu/EmploymentBasis.php
+++ b/lib/Models/PayrollAu/EmploymentBasis.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/EmploymentTerminationPaymentType.php b/lib/Models/PayrollAu/EmploymentTerminationPaymentType.php
index 22bdbc23..4867c9bd 100644
--- a/lib/Models/PayrollAu/EmploymentTerminationPaymentType.php
+++ b/lib/Models/PayrollAu/EmploymentTerminationPaymentType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/EntitlementFinalPayPayoutType.php b/lib/Models/PayrollAu/EntitlementFinalPayPayoutType.php
index b2de2d00..5caba45f 100644
--- a/lib/Models/PayrollAu/EntitlementFinalPayPayoutType.php
+++ b/lib/Models/PayrollAu/EntitlementFinalPayPayoutType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/HomeAddress.php b/lib/Models/PayrollAu/HomeAddress.php
index 8580cbf6..8d8df468 100644
--- a/lib/Models/PayrollAu/HomeAddress.php
+++ b/lib/Models/PayrollAu/HomeAddress.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/LeaveAccrualLine.php b/lib/Models/PayrollAu/LeaveAccrualLine.php
index 3294fb56..9417dca4 100644
--- a/lib/Models/PayrollAu/LeaveAccrualLine.php
+++ b/lib/Models/PayrollAu/LeaveAccrualLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/LeaveApplication.php b/lib/Models/PayrollAu/LeaveApplication.php
index 641884a9..2dd132c1 100644
--- a/lib/Models/PayrollAu/LeaveApplication.php
+++ b/lib/Models/PayrollAu/LeaveApplication.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/LeaveApplications.php b/lib/Models/PayrollAu/LeaveApplications.php
index c3eea065..5340811c 100644
--- a/lib/Models/PayrollAu/LeaveApplications.php
+++ b/lib/Models/PayrollAu/LeaveApplications.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/LeaveBalance.php b/lib/Models/PayrollAu/LeaveBalance.php
index ec8bbe2e..2b943f2d 100644
--- a/lib/Models/PayrollAu/LeaveBalance.php
+++ b/lib/Models/PayrollAu/LeaveBalance.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/LeaveEarningsLine.php b/lib/Models/PayrollAu/LeaveEarningsLine.php
index 13d87655..49123259 100644
--- a/lib/Models/PayrollAu/LeaveEarningsLine.php
+++ b/lib/Models/PayrollAu/LeaveEarningsLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/LeaveLine.php b/lib/Models/PayrollAu/LeaveLine.php
index 9f7d516c..0a4eee91 100644
--- a/lib/Models/PayrollAu/LeaveLine.php
+++ b/lib/Models/PayrollAu/LeaveLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/LeaveLineCalculationType.php b/lib/Models/PayrollAu/LeaveLineCalculationType.php
index 3129614f..47c34853 100644
--- a/lib/Models/PayrollAu/LeaveLineCalculationType.php
+++ b/lib/Models/PayrollAu/LeaveLineCalculationType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/LeaveLines.php b/lib/Models/PayrollAu/LeaveLines.php
index b15beb70..d2a30e09 100644
--- a/lib/Models/PayrollAu/LeaveLines.php
+++ b/lib/Models/PayrollAu/LeaveLines.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/LeavePeriod.php b/lib/Models/PayrollAu/LeavePeriod.php
index 2372e751..a2277575 100644
--- a/lib/Models/PayrollAu/LeavePeriod.php
+++ b/lib/Models/PayrollAu/LeavePeriod.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/LeavePeriodStatus.php b/lib/Models/PayrollAu/LeavePeriodStatus.php
index 04c81304..7bb85d07 100644
--- a/lib/Models/PayrollAu/LeavePeriodStatus.php
+++ b/lib/Models/PayrollAu/LeavePeriodStatus.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/LeaveType.php b/lib/Models/PayrollAu/LeaveType.php
index a8b6f0dd..4d4b7392 100644
--- a/lib/Models/PayrollAu/LeaveType.php
+++ b/lib/Models/PayrollAu/LeaveType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/LeaveTypeContributionType.php b/lib/Models/PayrollAu/LeaveTypeContributionType.php
index 093b4fe4..5f38bba9 100644
--- a/lib/Models/PayrollAu/LeaveTypeContributionType.php
+++ b/lib/Models/PayrollAu/LeaveTypeContributionType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/ManualTaxType.php b/lib/Models/PayrollAu/ManualTaxType.php
index 14d3fb1f..dd6ab82b 100644
--- a/lib/Models/PayrollAu/ManualTaxType.php
+++ b/lib/Models/PayrollAu/ManualTaxType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/ModelInterface.php b/lib/Models/PayrollAu/ModelInterface.php
index ab8eb67c..099d2279 100644
--- a/lib/Models/PayrollAu/ModelInterface.php
+++ b/lib/Models/PayrollAu/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/OpeningBalances.php b/lib/Models/PayrollAu/OpeningBalances.php
index f3ffc48b..ba0cc81f 100644
--- a/lib/Models/PayrollAu/OpeningBalances.php
+++ b/lib/Models/PayrollAu/OpeningBalances.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/PayItem.php b/lib/Models/PayrollAu/PayItem.php
index 72b27689..76905107 100644
--- a/lib/Models/PayrollAu/PayItem.php
+++ b/lib/Models/PayrollAu/PayItem.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/PayItems.php b/lib/Models/PayrollAu/PayItems.php
index b65cab26..ee628223 100644
--- a/lib/Models/PayrollAu/PayItems.php
+++ b/lib/Models/PayrollAu/PayItems.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/PayRun.php b/lib/Models/PayrollAu/PayRun.php
index 7f89f9e9..a1936428 100644
--- a/lib/Models/PayrollAu/PayRun.php
+++ b/lib/Models/PayrollAu/PayRun.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/PayRunStatus.php b/lib/Models/PayrollAu/PayRunStatus.php
index 39200408..40ec0af2 100644
--- a/lib/Models/PayrollAu/PayRunStatus.php
+++ b/lib/Models/PayrollAu/PayRunStatus.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/PayRuns.php b/lib/Models/PayrollAu/PayRuns.php
index 4211d4ec..ff5035e4 100644
--- a/lib/Models/PayrollAu/PayRuns.php
+++ b/lib/Models/PayrollAu/PayRuns.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/PayTemplate.php b/lib/Models/PayrollAu/PayTemplate.php
index 50473ee5..66bf35ad 100644
--- a/lib/Models/PayrollAu/PayTemplate.php
+++ b/lib/Models/PayrollAu/PayTemplate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/PaymentFrequencyType.php b/lib/Models/PayrollAu/PaymentFrequencyType.php
index 7718aca8..4601e36b 100644
--- a/lib/Models/PayrollAu/PaymentFrequencyType.php
+++ b/lib/Models/PayrollAu/PaymentFrequencyType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/PayrollCalendar.php b/lib/Models/PayrollAu/PayrollCalendar.php
index 2de418d3..3fb3acec 100644
--- a/lib/Models/PayrollAu/PayrollCalendar.php
+++ b/lib/Models/PayrollAu/PayrollCalendar.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/PayrollCalendars.php b/lib/Models/PayrollAu/PayrollCalendars.php
index b52cb1b3..a867aca5 100644
--- a/lib/Models/PayrollAu/PayrollCalendars.php
+++ b/lib/Models/PayrollAu/PayrollCalendars.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/Payslip.php b/lib/Models/PayrollAu/Payslip.php
index c0321d02..5528229b 100644
--- a/lib/Models/PayrollAu/Payslip.php
+++ b/lib/Models/PayrollAu/Payslip.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/PayslipLines.php b/lib/Models/PayrollAu/PayslipLines.php
index 565e4a73..d3168ead 100644
--- a/lib/Models/PayrollAu/PayslipLines.php
+++ b/lib/Models/PayrollAu/PayslipLines.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/PayslipObject.php b/lib/Models/PayrollAu/PayslipObject.php
index 05a74c3f..fba95d26 100644
--- a/lib/Models/PayrollAu/PayslipObject.php
+++ b/lib/Models/PayrollAu/PayslipObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/PayslipSummary.php b/lib/Models/PayrollAu/PayslipSummary.php
index b5047b19..b5d4f6fe 100644
--- a/lib/Models/PayrollAu/PayslipSummary.php
+++ b/lib/Models/PayrollAu/PayslipSummary.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/Payslips.php b/lib/Models/PayrollAu/Payslips.php
index 4a49e64f..b4bdce59 100644
--- a/lib/Models/PayrollAu/Payslips.php
+++ b/lib/Models/PayrollAu/Payslips.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/RateType.php b/lib/Models/PayrollAu/RateType.php
index de43a293..520cf35f 100644
--- a/lib/Models/PayrollAu/RateType.php
+++ b/lib/Models/PayrollAu/RateType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/ReimbursementLine.php b/lib/Models/PayrollAu/ReimbursementLine.php
index 760523c0..bdf9d0bd 100644
--- a/lib/Models/PayrollAu/ReimbursementLine.php
+++ b/lib/Models/PayrollAu/ReimbursementLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/ReimbursementLines.php b/lib/Models/PayrollAu/ReimbursementLines.php
index a8eb3267..6e6b3d99 100644
--- a/lib/Models/PayrollAu/ReimbursementLines.php
+++ b/lib/Models/PayrollAu/ReimbursementLines.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/ReimbursementType.php b/lib/Models/PayrollAu/ReimbursementType.php
index 71cd039b..11e83f6b 100644
--- a/lib/Models/PayrollAu/ReimbursementType.php
+++ b/lib/Models/PayrollAu/ReimbursementType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/ResidencyStatus.php b/lib/Models/PayrollAu/ResidencyStatus.php
index 56f7ab6d..12280c2f 100644
--- a/lib/Models/PayrollAu/ResidencyStatus.php
+++ b/lib/Models/PayrollAu/ResidencyStatus.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/Settings.php b/lib/Models/PayrollAu/Settings.php
index 17e47f12..349770c3 100644
--- a/lib/Models/PayrollAu/Settings.php
+++ b/lib/Models/PayrollAu/Settings.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/SettingsObject.php b/lib/Models/PayrollAu/SettingsObject.php
index 2d78925b..841b87c5 100644
--- a/lib/Models/PayrollAu/SettingsObject.php
+++ b/lib/Models/PayrollAu/SettingsObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/SettingsTrackingCategories.php b/lib/Models/PayrollAu/SettingsTrackingCategories.php
index 44ba978b..01dbdc31 100644
--- a/lib/Models/PayrollAu/SettingsTrackingCategories.php
+++ b/lib/Models/PayrollAu/SettingsTrackingCategories.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/SettingsTrackingCategoriesEmployeeGroups.php b/lib/Models/PayrollAu/SettingsTrackingCategoriesEmployeeGroups.php
index fdeb7160..e0215e20 100644
--- a/lib/Models/PayrollAu/SettingsTrackingCategoriesEmployeeGroups.php
+++ b/lib/Models/PayrollAu/SettingsTrackingCategoriesEmployeeGroups.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/SettingsTrackingCategoriesTimesheetCategories.php b/lib/Models/PayrollAu/SettingsTrackingCategoriesTimesheetCategories.php
index 7e27da31..71b16597 100644
--- a/lib/Models/PayrollAu/SettingsTrackingCategoriesTimesheetCategories.php
+++ b/lib/Models/PayrollAu/SettingsTrackingCategoriesTimesheetCategories.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/State.php b/lib/Models/PayrollAu/State.php
index 51c0dd3a..be1a264a 100644
--- a/lib/Models/PayrollAu/State.php
+++ b/lib/Models/PayrollAu/State.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/SuperFund.php b/lib/Models/PayrollAu/SuperFund.php
index 25f00b25..f6d6a2ab 100644
--- a/lib/Models/PayrollAu/SuperFund.php
+++ b/lib/Models/PayrollAu/SuperFund.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/SuperFundProduct.php b/lib/Models/PayrollAu/SuperFundProduct.php
index 41382d6d..1b0e4935 100644
--- a/lib/Models/PayrollAu/SuperFundProduct.php
+++ b/lib/Models/PayrollAu/SuperFundProduct.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/SuperFundProducts.php b/lib/Models/PayrollAu/SuperFundProducts.php
index f028e2b9..d51eba9f 100644
--- a/lib/Models/PayrollAu/SuperFundProducts.php
+++ b/lib/Models/PayrollAu/SuperFundProducts.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/SuperFundType.php b/lib/Models/PayrollAu/SuperFundType.php
index 57605023..b25af107 100644
--- a/lib/Models/PayrollAu/SuperFundType.php
+++ b/lib/Models/PayrollAu/SuperFundType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/SuperFunds.php b/lib/Models/PayrollAu/SuperFunds.php
index 641497e4..b1fab5b8 100644
--- a/lib/Models/PayrollAu/SuperFunds.php
+++ b/lib/Models/PayrollAu/SuperFunds.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/SuperLine.php b/lib/Models/PayrollAu/SuperLine.php
index 9e044e9d..82278d99 100644
--- a/lib/Models/PayrollAu/SuperLine.php
+++ b/lib/Models/PayrollAu/SuperLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/SuperMembership.php b/lib/Models/PayrollAu/SuperMembership.php
index 920548aa..8de3845b 100644
--- a/lib/Models/PayrollAu/SuperMembership.php
+++ b/lib/Models/PayrollAu/SuperMembership.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/SuperannuationCalculationType.php b/lib/Models/PayrollAu/SuperannuationCalculationType.php
index 3493b5b8..8c492294 100644
--- a/lib/Models/PayrollAu/SuperannuationCalculationType.php
+++ b/lib/Models/PayrollAu/SuperannuationCalculationType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/SuperannuationContributionType.php b/lib/Models/PayrollAu/SuperannuationContributionType.php
index c60ac6c7..bdedf249 100644
--- a/lib/Models/PayrollAu/SuperannuationContributionType.php
+++ b/lib/Models/PayrollAu/SuperannuationContributionType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/SuperannuationLine.php b/lib/Models/PayrollAu/SuperannuationLine.php
index 37fe2f62..143d342e 100644
--- a/lib/Models/PayrollAu/SuperannuationLine.php
+++ b/lib/Models/PayrollAu/SuperannuationLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/TFNExemptionType.php b/lib/Models/PayrollAu/TFNExemptionType.php
index f313c20b..cc86e000 100644
--- a/lib/Models/PayrollAu/TFNExemptionType.php
+++ b/lib/Models/PayrollAu/TFNExemptionType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/TaxDeclaration.php b/lib/Models/PayrollAu/TaxDeclaration.php
index cc577877..a6ec7076 100644
--- a/lib/Models/PayrollAu/TaxDeclaration.php
+++ b/lib/Models/PayrollAu/TaxDeclaration.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/TaxLine.php b/lib/Models/PayrollAu/TaxLine.php
index 1b972c11..0010eb83 100644
--- a/lib/Models/PayrollAu/TaxLine.php
+++ b/lib/Models/PayrollAu/TaxLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/Timesheet.php b/lib/Models/PayrollAu/Timesheet.php
index 1c0485f1..1cf71220 100644
--- a/lib/Models/PayrollAu/Timesheet.php
+++ b/lib/Models/PayrollAu/Timesheet.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/TimesheetLine.php b/lib/Models/PayrollAu/TimesheetLine.php
index 6806c04f..c273b524 100644
--- a/lib/Models/PayrollAu/TimesheetLine.php
+++ b/lib/Models/PayrollAu/TimesheetLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/TimesheetObject.php b/lib/Models/PayrollAu/TimesheetObject.php
index ba02c01e..0d753754 100644
--- a/lib/Models/PayrollAu/TimesheetObject.php
+++ b/lib/Models/PayrollAu/TimesheetObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/TimesheetStatus.php b/lib/Models/PayrollAu/TimesheetStatus.php
index 32357faf..c2a11045 100644
--- a/lib/Models/PayrollAu/TimesheetStatus.php
+++ b/lib/Models/PayrollAu/TimesheetStatus.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/Timesheets.php b/lib/Models/PayrollAu/Timesheets.php
index ecdd4aaf..85a770e7 100644
--- a/lib/Models/PayrollAu/Timesheets.php
+++ b/lib/Models/PayrollAu/Timesheets.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollAu/ValidationError.php b/lib/Models/PayrollAu/ValidationError.php
index c6b833d6..8f2f4bcf 100644
--- a/lib/Models/PayrollAu/ValidationError.php
+++ b/lib/Models/PayrollAu/ValidationError.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/Account.php b/lib/Models/PayrollNz/Account.php
index 5bd9c21f..5a6cab57 100644
--- a/lib/Models/PayrollNz/Account.php
+++ b/lib/Models/PayrollNz/Account.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/Accounts.php b/lib/Models/PayrollNz/Accounts.php
index 69daf9b3..795a4bc4 100644
--- a/lib/Models/PayrollNz/Accounts.php
+++ b/lib/Models/PayrollNz/Accounts.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/Address.php b/lib/Models/PayrollNz/Address.php
index 11d8a824..9e2c0f81 100644
--- a/lib/Models/PayrollNz/Address.php
+++ b/lib/Models/PayrollNz/Address.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/BankAccount.php b/lib/Models/PayrollNz/BankAccount.php
index 23f6359c..6184024d 100644
--- a/lib/Models/PayrollNz/BankAccount.php
+++ b/lib/Models/PayrollNz/BankAccount.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/Benefit.php b/lib/Models/PayrollNz/Benefit.php
index 98a0b5dc..20471d06 100644
--- a/lib/Models/PayrollNz/Benefit.php
+++ b/lib/Models/PayrollNz/Benefit.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/CalendarType.php b/lib/Models/PayrollNz/CalendarType.php
index 7b2d70ae..cf646829 100644
--- a/lib/Models/PayrollNz/CalendarType.php
+++ b/lib/Models/PayrollNz/CalendarType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/Deduction.php b/lib/Models/PayrollNz/Deduction.php
index 8cf41a4d..40902614 100644
--- a/lib/Models/PayrollNz/Deduction.php
+++ b/lib/Models/PayrollNz/Deduction.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/DeductionLine.php b/lib/Models/PayrollNz/DeductionLine.php
index 1f3f3cea..53aef367 100644
--- a/lib/Models/PayrollNz/DeductionLine.php
+++ b/lib/Models/PayrollNz/DeductionLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/DeductionObject.php b/lib/Models/PayrollNz/DeductionObject.php
index 1a941fce..ca4e944a 100644
--- a/lib/Models/PayrollNz/DeductionObject.php
+++ b/lib/Models/PayrollNz/DeductionObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/Deductions.php b/lib/Models/PayrollNz/Deductions.php
index 5e6071dd..a4d00a53 100644
--- a/lib/Models/PayrollNz/Deductions.php
+++ b/lib/Models/PayrollNz/Deductions.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EarningsLine.php b/lib/Models/PayrollNz/EarningsLine.php
index 545b9415..1e5746c7 100644
--- a/lib/Models/PayrollNz/EarningsLine.php
+++ b/lib/Models/PayrollNz/EarningsLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EarningsOrder.php b/lib/Models/PayrollNz/EarningsOrder.php
index 86f4689c..c5404d38 100644
--- a/lib/Models/PayrollNz/EarningsOrder.php
+++ b/lib/Models/PayrollNz/EarningsOrder.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EarningsOrderObject.php b/lib/Models/PayrollNz/EarningsOrderObject.php
index 5c8ad051..5da98e94 100644
--- a/lib/Models/PayrollNz/EarningsOrderObject.php
+++ b/lib/Models/PayrollNz/EarningsOrderObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EarningsOrders.php b/lib/Models/PayrollNz/EarningsOrders.php
index 23f8769e..d88b59d1 100644
--- a/lib/Models/PayrollNz/EarningsOrders.php
+++ b/lib/Models/PayrollNz/EarningsOrders.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EarningsRate.php b/lib/Models/PayrollNz/EarningsRate.php
index a8bb6402..cbce2e26 100644
--- a/lib/Models/PayrollNz/EarningsRate.php
+++ b/lib/Models/PayrollNz/EarningsRate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EarningsRateObject.php b/lib/Models/PayrollNz/EarningsRateObject.php
index 9d5e335f..49790271 100644
--- a/lib/Models/PayrollNz/EarningsRateObject.php
+++ b/lib/Models/PayrollNz/EarningsRateObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EarningsRates.php b/lib/Models/PayrollNz/EarningsRates.php
index 5814b00b..1f864c62 100644
--- a/lib/Models/PayrollNz/EarningsRates.php
+++ b/lib/Models/PayrollNz/EarningsRates.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EarningsTemplate.php b/lib/Models/PayrollNz/EarningsTemplate.php
index 453f1428..41e58edf 100644
--- a/lib/Models/PayrollNz/EarningsTemplate.php
+++ b/lib/Models/PayrollNz/EarningsTemplate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EarningsTemplateObject.php b/lib/Models/PayrollNz/EarningsTemplateObject.php
index a3386b4d..a007f855 100644
--- a/lib/Models/PayrollNz/EarningsTemplateObject.php
+++ b/lib/Models/PayrollNz/EarningsTemplateObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/Employee.php b/lib/Models/PayrollNz/Employee.php
index a5b2b974..fcdee27a 100644
--- a/lib/Models/PayrollNz/Employee.php
+++ b/lib/Models/PayrollNz/Employee.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EmployeeEarningsTemplates.php b/lib/Models/PayrollNz/EmployeeEarningsTemplates.php
index 5b2c69c9..962fe17c 100644
--- a/lib/Models/PayrollNz/EmployeeEarningsTemplates.php
+++ b/lib/Models/PayrollNz/EmployeeEarningsTemplates.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EmployeeLeave.php b/lib/Models/PayrollNz/EmployeeLeave.php
index ce5cd0ab..5df1b217 100644
--- a/lib/Models/PayrollNz/EmployeeLeave.php
+++ b/lib/Models/PayrollNz/EmployeeLeave.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EmployeeLeaveBalance.php b/lib/Models/PayrollNz/EmployeeLeaveBalance.php
index 03861f65..294a86a3 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveBalance.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveBalance.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EmployeeLeaveBalances.php b/lib/Models/PayrollNz/EmployeeLeaveBalances.php
index b3f6cb7c..611ea12a 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveBalances.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveBalances.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EmployeeLeaveObject.php b/lib/Models/PayrollNz/EmployeeLeaveObject.php
index 509f552e..94e9139c 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveObject.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EmployeeLeaveSetup.php b/lib/Models/PayrollNz/EmployeeLeaveSetup.php
index 9625926c..7e9d0e0b 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveSetup.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveSetup.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EmployeeLeaveSetupObject.php b/lib/Models/PayrollNz/EmployeeLeaveSetupObject.php
index 54ca4f47..bd28d18f 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveSetupObject.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveSetupObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EmployeeLeaveType.php b/lib/Models/PayrollNz/EmployeeLeaveType.php
index 9e575acd..098ed125 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveType.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EmployeeLeaveTypeObject.php b/lib/Models/PayrollNz/EmployeeLeaveTypeObject.php
index 8bdf44d6..5acec379 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveTypeObject.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveTypeObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EmployeeLeaveTypes.php b/lib/Models/PayrollNz/EmployeeLeaveTypes.php
index c56ea7ec..2b661088 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveTypes.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveTypes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EmployeeLeaves.php b/lib/Models/PayrollNz/EmployeeLeaves.php
index 178bde1b..349f4bec 100644
--- a/lib/Models/PayrollNz/EmployeeLeaves.php
+++ b/lib/Models/PayrollNz/EmployeeLeaves.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EmployeeObject.php b/lib/Models/PayrollNz/EmployeeObject.php
index 388d74e4..e9a81290 100644
--- a/lib/Models/PayrollNz/EmployeeObject.php
+++ b/lib/Models/PayrollNz/EmployeeObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EmployeeOpeningBalance.php b/lib/Models/PayrollNz/EmployeeOpeningBalance.php
index 22694c92..ed0ef8eb 100644
--- a/lib/Models/PayrollNz/EmployeeOpeningBalance.php
+++ b/lib/Models/PayrollNz/EmployeeOpeningBalance.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EmployeeOpeningBalancesObject.php b/lib/Models/PayrollNz/EmployeeOpeningBalancesObject.php
index add13ec3..40955e10 100644
--- a/lib/Models/PayrollNz/EmployeeOpeningBalancesObject.php
+++ b/lib/Models/PayrollNz/EmployeeOpeningBalancesObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EmployeePayTemplate.php b/lib/Models/PayrollNz/EmployeePayTemplate.php
index e59c2a5f..152188d4 100644
--- a/lib/Models/PayrollNz/EmployeePayTemplate.php
+++ b/lib/Models/PayrollNz/EmployeePayTemplate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EmployeePayTemplateObject.php b/lib/Models/PayrollNz/EmployeePayTemplateObject.php
index 925e26dd..2112bb61 100644
--- a/lib/Models/PayrollNz/EmployeePayTemplateObject.php
+++ b/lib/Models/PayrollNz/EmployeePayTemplateObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EmployeePayTemplates.php b/lib/Models/PayrollNz/EmployeePayTemplates.php
index ff4cbf3d..c21ee495 100644
--- a/lib/Models/PayrollNz/EmployeePayTemplates.php
+++ b/lib/Models/PayrollNz/EmployeePayTemplates.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalance.php b/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalance.php
index 55ce9f31..e5753d1a 100644
--- a/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalance.php
+++ b/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalance.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalanceObject.php b/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalanceObject.php
index 45a9b46e..9cbce758 100644
--- a/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalanceObject.php
+++ b/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalanceObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EmployeeStatutoryLeaveSummary.php b/lib/Models/PayrollNz/EmployeeStatutoryLeaveSummary.php
index e72ea584..26db9472 100644
--- a/lib/Models/PayrollNz/EmployeeStatutoryLeaveSummary.php
+++ b/lib/Models/PayrollNz/EmployeeStatutoryLeaveSummary.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EmployeeStatutoryLeavesSummaries.php b/lib/Models/PayrollNz/EmployeeStatutoryLeavesSummaries.php
index d16603f4..21f5d801 100644
--- a/lib/Models/PayrollNz/EmployeeStatutoryLeavesSummaries.php
+++ b/lib/Models/PayrollNz/EmployeeStatutoryLeavesSummaries.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EmployeeStatutorySickLeave.php b/lib/Models/PayrollNz/EmployeeStatutorySickLeave.php
index 2a089645..f9c63459 100644
--- a/lib/Models/PayrollNz/EmployeeStatutorySickLeave.php
+++ b/lib/Models/PayrollNz/EmployeeStatutorySickLeave.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EmployeeStatutorySickLeaveObject.php b/lib/Models/PayrollNz/EmployeeStatutorySickLeaveObject.php
index c7e4061f..a83e9815 100644
--- a/lib/Models/PayrollNz/EmployeeStatutorySickLeaveObject.php
+++ b/lib/Models/PayrollNz/EmployeeStatutorySickLeaveObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EmployeeStatutorySickLeaves.php b/lib/Models/PayrollNz/EmployeeStatutorySickLeaves.php
index 4d35130f..e9cc1b65 100644
--- a/lib/Models/PayrollNz/EmployeeStatutorySickLeaves.php
+++ b/lib/Models/PayrollNz/EmployeeStatutorySickLeaves.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EmployeeTax.php b/lib/Models/PayrollNz/EmployeeTax.php
index 8dc2a04d..9b260a6b 100644
--- a/lib/Models/PayrollNz/EmployeeTax.php
+++ b/lib/Models/PayrollNz/EmployeeTax.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EmployeeTaxObject.php b/lib/Models/PayrollNz/EmployeeTaxObject.php
index 905df73f..bba03b0a 100644
--- a/lib/Models/PayrollNz/EmployeeTaxObject.php
+++ b/lib/Models/PayrollNz/EmployeeTaxObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/Employees.php b/lib/Models/PayrollNz/Employees.php
index 3959a174..f0154305 100644
--- a/lib/Models/PayrollNz/Employees.php
+++ b/lib/Models/PayrollNz/Employees.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/Employment.php b/lib/Models/PayrollNz/Employment.php
index 52d6c7c6..2d4dd016 100644
--- a/lib/Models/PayrollNz/Employment.php
+++ b/lib/Models/PayrollNz/Employment.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/EmploymentObject.php b/lib/Models/PayrollNz/EmploymentObject.php
index 8f2698b6..0bc59da3 100644
--- a/lib/Models/PayrollNz/EmploymentObject.php
+++ b/lib/Models/PayrollNz/EmploymentObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/GrossEarningsHistory.php b/lib/Models/PayrollNz/GrossEarningsHistory.php
index 83993809..ed73e9bb 100644
--- a/lib/Models/PayrollNz/GrossEarningsHistory.php
+++ b/lib/Models/PayrollNz/GrossEarningsHistory.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/InvalidField.php b/lib/Models/PayrollNz/InvalidField.php
index 70714d57..dcef2db2 100644
--- a/lib/Models/PayrollNz/InvalidField.php
+++ b/lib/Models/PayrollNz/InvalidField.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/LeaveAccrualLine.php b/lib/Models/PayrollNz/LeaveAccrualLine.php
index 0bae06c7..f55c40f4 100644
--- a/lib/Models/PayrollNz/LeaveAccrualLine.php
+++ b/lib/Models/PayrollNz/LeaveAccrualLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/LeaveEarningsLine.php b/lib/Models/PayrollNz/LeaveEarningsLine.php
index 704761ec..351d4fc2 100644
--- a/lib/Models/PayrollNz/LeaveEarningsLine.php
+++ b/lib/Models/PayrollNz/LeaveEarningsLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/LeavePeriod.php b/lib/Models/PayrollNz/LeavePeriod.php
index 71757c21..f97e4c44 100644
--- a/lib/Models/PayrollNz/LeavePeriod.php
+++ b/lib/Models/PayrollNz/LeavePeriod.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/LeavePeriods.php b/lib/Models/PayrollNz/LeavePeriods.php
index 44dee0cc..75352e41 100644
--- a/lib/Models/PayrollNz/LeavePeriods.php
+++ b/lib/Models/PayrollNz/LeavePeriods.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/LeaveType.php b/lib/Models/PayrollNz/LeaveType.php
index 94837a98..8f49636d 100644
--- a/lib/Models/PayrollNz/LeaveType.php
+++ b/lib/Models/PayrollNz/LeaveType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/LeaveTypeObject.php b/lib/Models/PayrollNz/LeaveTypeObject.php
index 22c36688..ae47902b 100644
--- a/lib/Models/PayrollNz/LeaveTypeObject.php
+++ b/lib/Models/PayrollNz/LeaveTypeObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/LeaveTypes.php b/lib/Models/PayrollNz/LeaveTypes.php
index c0f50b61..01573bb2 100644
--- a/lib/Models/PayrollNz/LeaveTypes.php
+++ b/lib/Models/PayrollNz/LeaveTypes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/ModelInterface.php b/lib/Models/PayrollNz/ModelInterface.php
index 27379043..87b320e9 100644
--- a/lib/Models/PayrollNz/ModelInterface.php
+++ b/lib/Models/PayrollNz/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/Pagination.php b/lib/Models/PayrollNz/Pagination.php
index e1dc4044..64ea58a0 100644
--- a/lib/Models/PayrollNz/Pagination.php
+++ b/lib/Models/PayrollNz/Pagination.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/PayRun.php b/lib/Models/PayrollNz/PayRun.php
index 92970f95..1bf5db97 100644
--- a/lib/Models/PayrollNz/PayRun.php
+++ b/lib/Models/PayrollNz/PayRun.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/PayRunCalendar.php b/lib/Models/PayrollNz/PayRunCalendar.php
index ed69e429..8926922c 100644
--- a/lib/Models/PayrollNz/PayRunCalendar.php
+++ b/lib/Models/PayrollNz/PayRunCalendar.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/PayRunCalendarObject.php b/lib/Models/PayrollNz/PayRunCalendarObject.php
index 7b5323d9..5dad0542 100644
--- a/lib/Models/PayrollNz/PayRunCalendarObject.php
+++ b/lib/Models/PayrollNz/PayRunCalendarObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/PayRunCalendars.php b/lib/Models/PayrollNz/PayRunCalendars.php
index a03938c0..e126541f 100644
--- a/lib/Models/PayrollNz/PayRunCalendars.php
+++ b/lib/Models/PayrollNz/PayRunCalendars.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/PayRunObject.php b/lib/Models/PayrollNz/PayRunObject.php
index f7337da5..dcfc635c 100644
--- a/lib/Models/PayrollNz/PayRunObject.php
+++ b/lib/Models/PayrollNz/PayRunObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/PayRuns.php b/lib/Models/PayrollNz/PayRuns.php
index 1a1aa4b0..65d71223 100644
--- a/lib/Models/PayrollNz/PayRuns.php
+++ b/lib/Models/PayrollNz/PayRuns.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/PaySlip.php b/lib/Models/PayrollNz/PaySlip.php
index 816dc3af..b596362b 100644
--- a/lib/Models/PayrollNz/PaySlip.php
+++ b/lib/Models/PayrollNz/PaySlip.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/PaySlipObject.php b/lib/Models/PayrollNz/PaySlipObject.php
index ae497e9e..f73d74ab 100644
--- a/lib/Models/PayrollNz/PaySlipObject.php
+++ b/lib/Models/PayrollNz/PaySlipObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/PaySlips.php b/lib/Models/PayrollNz/PaySlips.php
index d3c8feaa..10b39e30 100644
--- a/lib/Models/PayrollNz/PaySlips.php
+++ b/lib/Models/PayrollNz/PaySlips.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/PaymentLine.php b/lib/Models/PayrollNz/PaymentLine.php
index a7ac5e62..29d9c35a 100644
--- a/lib/Models/PayrollNz/PaymentLine.php
+++ b/lib/Models/PayrollNz/PaymentLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/PaymentMethod.php b/lib/Models/PayrollNz/PaymentMethod.php
index fc7ad180..7f21ce85 100644
--- a/lib/Models/PayrollNz/PaymentMethod.php
+++ b/lib/Models/PayrollNz/PaymentMethod.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/PaymentMethodObject.php b/lib/Models/PayrollNz/PaymentMethodObject.php
index 825a26e4..7284508f 100644
--- a/lib/Models/PayrollNz/PaymentMethodObject.php
+++ b/lib/Models/PayrollNz/PaymentMethodObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/Problem.php b/lib/Models/PayrollNz/Problem.php
index f2e14538..62b45dd9 100644
--- a/lib/Models/PayrollNz/Problem.php
+++ b/lib/Models/PayrollNz/Problem.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/Reimbursement.php b/lib/Models/PayrollNz/Reimbursement.php
index 8aeb73d7..803bd924 100644
--- a/lib/Models/PayrollNz/Reimbursement.php
+++ b/lib/Models/PayrollNz/Reimbursement.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/ReimbursementLine.php b/lib/Models/PayrollNz/ReimbursementLine.php
index 349cd8d4..32443e43 100644
--- a/lib/Models/PayrollNz/ReimbursementLine.php
+++ b/lib/Models/PayrollNz/ReimbursementLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/ReimbursementObject.php b/lib/Models/PayrollNz/ReimbursementObject.php
index 1605ff87..39512472 100644
--- a/lib/Models/PayrollNz/ReimbursementObject.php
+++ b/lib/Models/PayrollNz/ReimbursementObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/Reimbursements.php b/lib/Models/PayrollNz/Reimbursements.php
index dfc94075..8a195d19 100644
--- a/lib/Models/PayrollNz/Reimbursements.php
+++ b/lib/Models/PayrollNz/Reimbursements.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/SalaryAndWage.php b/lib/Models/PayrollNz/SalaryAndWage.php
index 2550da8a..4031068a 100644
--- a/lib/Models/PayrollNz/SalaryAndWage.php
+++ b/lib/Models/PayrollNz/SalaryAndWage.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/SalaryAndWageObject.php b/lib/Models/PayrollNz/SalaryAndWageObject.php
index 54b44f64..2ef1f64a 100644
--- a/lib/Models/PayrollNz/SalaryAndWageObject.php
+++ b/lib/Models/PayrollNz/SalaryAndWageObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/SalaryAndWages.php b/lib/Models/PayrollNz/SalaryAndWages.php
index 45666ff2..59281b78 100644
--- a/lib/Models/PayrollNz/SalaryAndWages.php
+++ b/lib/Models/PayrollNz/SalaryAndWages.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/Settings.php b/lib/Models/PayrollNz/Settings.php
index 94d64ce5..4152cd41 100644
--- a/lib/Models/PayrollNz/Settings.php
+++ b/lib/Models/PayrollNz/Settings.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/StatutoryDeduction.php b/lib/Models/PayrollNz/StatutoryDeduction.php
index d6ae4cc5..c86115b7 100644
--- a/lib/Models/PayrollNz/StatutoryDeduction.php
+++ b/lib/Models/PayrollNz/StatutoryDeduction.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/StatutoryDeductionCategory.php b/lib/Models/PayrollNz/StatutoryDeductionCategory.php
index 634f777b..a4cd9b04 100644
--- a/lib/Models/PayrollNz/StatutoryDeductionCategory.php
+++ b/lib/Models/PayrollNz/StatutoryDeductionCategory.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/StatutoryDeductionLine.php b/lib/Models/PayrollNz/StatutoryDeductionLine.php
index 3c03b8be..b0e72d21 100644
--- a/lib/Models/PayrollNz/StatutoryDeductionLine.php
+++ b/lib/Models/PayrollNz/StatutoryDeductionLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/StatutoryDeductionObject.php b/lib/Models/PayrollNz/StatutoryDeductionObject.php
index 08af62f0..f0df39d1 100644
--- a/lib/Models/PayrollNz/StatutoryDeductionObject.php
+++ b/lib/Models/PayrollNz/StatutoryDeductionObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/StatutoryDeductions.php b/lib/Models/PayrollNz/StatutoryDeductions.php
index 5a792d03..2e173627 100644
--- a/lib/Models/PayrollNz/StatutoryDeductions.php
+++ b/lib/Models/PayrollNz/StatutoryDeductions.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/SuperannuationLine.php b/lib/Models/PayrollNz/SuperannuationLine.php
index 73f56c88..b8152acd 100644
--- a/lib/Models/PayrollNz/SuperannuationLine.php
+++ b/lib/Models/PayrollNz/SuperannuationLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/SuperannuationObject.php b/lib/Models/PayrollNz/SuperannuationObject.php
index cb05665c..6b8a0917 100644
--- a/lib/Models/PayrollNz/SuperannuationObject.php
+++ b/lib/Models/PayrollNz/SuperannuationObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/Superannuations.php b/lib/Models/PayrollNz/Superannuations.php
index 811f2414..64b2199f 100644
--- a/lib/Models/PayrollNz/Superannuations.php
+++ b/lib/Models/PayrollNz/Superannuations.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/TaxCode.php b/lib/Models/PayrollNz/TaxCode.php
index 13caa10e..c2891fc1 100644
--- a/lib/Models/PayrollNz/TaxCode.php
+++ b/lib/Models/PayrollNz/TaxCode.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/TaxLine.php b/lib/Models/PayrollNz/TaxLine.php
index a06d3f65..c0d51724 100644
--- a/lib/Models/PayrollNz/TaxLine.php
+++ b/lib/Models/PayrollNz/TaxLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/TaxSettings.php b/lib/Models/PayrollNz/TaxSettings.php
index 3b7bf356..52336c9a 100644
--- a/lib/Models/PayrollNz/TaxSettings.php
+++ b/lib/Models/PayrollNz/TaxSettings.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/Timesheet.php b/lib/Models/PayrollNz/Timesheet.php
index 410e23a7..d75c21fa 100644
--- a/lib/Models/PayrollNz/Timesheet.php
+++ b/lib/Models/PayrollNz/Timesheet.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/TimesheetEarningsLine.php b/lib/Models/PayrollNz/TimesheetEarningsLine.php
index 016ac727..f046afb4 100644
--- a/lib/Models/PayrollNz/TimesheetEarningsLine.php
+++ b/lib/Models/PayrollNz/TimesheetEarningsLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/TimesheetLine.php b/lib/Models/PayrollNz/TimesheetLine.php
index 4825f5fb..ddb5b27a 100644
--- a/lib/Models/PayrollNz/TimesheetLine.php
+++ b/lib/Models/PayrollNz/TimesheetLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/TimesheetLineObject.php b/lib/Models/PayrollNz/TimesheetLineObject.php
index aac84cd9..6908412c 100644
--- a/lib/Models/PayrollNz/TimesheetLineObject.php
+++ b/lib/Models/PayrollNz/TimesheetLineObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/TimesheetObject.php b/lib/Models/PayrollNz/TimesheetObject.php
index ae083326..ab26db03 100644
--- a/lib/Models/PayrollNz/TimesheetObject.php
+++ b/lib/Models/PayrollNz/TimesheetObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/Timesheets.php b/lib/Models/PayrollNz/Timesheets.php
index 6886a187..e4fb571c 100644
--- a/lib/Models/PayrollNz/Timesheets.php
+++ b/lib/Models/PayrollNz/Timesheets.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/TrackingCategories.php b/lib/Models/PayrollNz/TrackingCategories.php
index 37a653ee..15b34a1e 100644
--- a/lib/Models/PayrollNz/TrackingCategories.php
+++ b/lib/Models/PayrollNz/TrackingCategories.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollNz/TrackingCategory.php b/lib/Models/PayrollNz/TrackingCategory.php
index c29cad12..e5920220 100644
--- a/lib/Models/PayrollNz/TrackingCategory.php
+++ b/lib/Models/PayrollNz/TrackingCategory.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/Account.php b/lib/Models/PayrollUk/Account.php
index 79216aa3..cde561e1 100644
--- a/lib/Models/PayrollUk/Account.php
+++ b/lib/Models/PayrollUk/Account.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/Accounts.php b/lib/Models/PayrollUk/Accounts.php
index eeb0cac9..52d59941 100644
--- a/lib/Models/PayrollUk/Accounts.php
+++ b/lib/Models/PayrollUk/Accounts.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/Address.php b/lib/Models/PayrollUk/Address.php
index a14b181f..e736c0ed 100644
--- a/lib/Models/PayrollUk/Address.php
+++ b/lib/Models/PayrollUk/Address.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/BankAccount.php b/lib/Models/PayrollUk/BankAccount.php
index 5a66df79..82a4f8d8 100644
--- a/lib/Models/PayrollUk/BankAccount.php
+++ b/lib/Models/PayrollUk/BankAccount.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/Benefit.php b/lib/Models/PayrollUk/Benefit.php
index e9d9dc7b..9fad1a9c 100644
--- a/lib/Models/PayrollUk/Benefit.php
+++ b/lib/Models/PayrollUk/Benefit.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/BenefitLine.php b/lib/Models/PayrollUk/BenefitLine.php
index 1c77cc9e..27e5077a 100644
--- a/lib/Models/PayrollUk/BenefitLine.php
+++ b/lib/Models/PayrollUk/BenefitLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/BenefitObject.php b/lib/Models/PayrollUk/BenefitObject.php
index cba3a3ca..55d06c3b 100644
--- a/lib/Models/PayrollUk/BenefitObject.php
+++ b/lib/Models/PayrollUk/BenefitObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/Benefits.php b/lib/Models/PayrollUk/Benefits.php
index 4ad19f7a..74f5f5c1 100644
--- a/lib/Models/PayrollUk/Benefits.php
+++ b/lib/Models/PayrollUk/Benefits.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/CourtOrderLine.php b/lib/Models/PayrollUk/CourtOrderLine.php
index 04d75498..ebe69f9a 100644
--- a/lib/Models/PayrollUk/CourtOrderLine.php
+++ b/lib/Models/PayrollUk/CourtOrderLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/Deduction.php b/lib/Models/PayrollUk/Deduction.php
index d2947b6e..945ffbef 100644
--- a/lib/Models/PayrollUk/Deduction.php
+++ b/lib/Models/PayrollUk/Deduction.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/DeductionLine.php b/lib/Models/PayrollUk/DeductionLine.php
index dc388733..ae6fb4fb 100644
--- a/lib/Models/PayrollUk/DeductionLine.php
+++ b/lib/Models/PayrollUk/DeductionLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/DeductionObject.php b/lib/Models/PayrollUk/DeductionObject.php
index c6478b68..c7958812 100644
--- a/lib/Models/PayrollUk/DeductionObject.php
+++ b/lib/Models/PayrollUk/DeductionObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/Deductions.php b/lib/Models/PayrollUk/Deductions.php
index 79f3b880..b5a562bd 100644
--- a/lib/Models/PayrollUk/Deductions.php
+++ b/lib/Models/PayrollUk/Deductions.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EarningsLine.php b/lib/Models/PayrollUk/EarningsLine.php
index 314f64d1..f5be67d2 100644
--- a/lib/Models/PayrollUk/EarningsLine.php
+++ b/lib/Models/PayrollUk/EarningsLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EarningsOrder.php b/lib/Models/PayrollUk/EarningsOrder.php
index b6827183..bcbba06b 100644
--- a/lib/Models/PayrollUk/EarningsOrder.php
+++ b/lib/Models/PayrollUk/EarningsOrder.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EarningsOrderObject.php b/lib/Models/PayrollUk/EarningsOrderObject.php
index 180b03db..d17f3776 100644
--- a/lib/Models/PayrollUk/EarningsOrderObject.php
+++ b/lib/Models/PayrollUk/EarningsOrderObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EarningsOrders.php b/lib/Models/PayrollUk/EarningsOrders.php
index 6f0e4658..42608b97 100644
--- a/lib/Models/PayrollUk/EarningsOrders.php
+++ b/lib/Models/PayrollUk/EarningsOrders.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EarningsRate.php b/lib/Models/PayrollUk/EarningsRate.php
index 07aad223..ccb1f87a 100644
--- a/lib/Models/PayrollUk/EarningsRate.php
+++ b/lib/Models/PayrollUk/EarningsRate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EarningsRateObject.php b/lib/Models/PayrollUk/EarningsRateObject.php
index 8ef9a421..ce1d7fda 100644
--- a/lib/Models/PayrollUk/EarningsRateObject.php
+++ b/lib/Models/PayrollUk/EarningsRateObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EarningsRates.php b/lib/Models/PayrollUk/EarningsRates.php
index 6d1392d4..bab97937 100644
--- a/lib/Models/PayrollUk/EarningsRates.php
+++ b/lib/Models/PayrollUk/EarningsRates.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EarningsTemplate.php b/lib/Models/PayrollUk/EarningsTemplate.php
index f2558130..045421ca 100644
--- a/lib/Models/PayrollUk/EarningsTemplate.php
+++ b/lib/Models/PayrollUk/EarningsTemplate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EarningsTemplateObject.php b/lib/Models/PayrollUk/EarningsTemplateObject.php
index 5d605d2d..9e1d935f 100644
--- a/lib/Models/PayrollUk/EarningsTemplateObject.php
+++ b/lib/Models/PayrollUk/EarningsTemplateObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/Employee.php b/lib/Models/PayrollUk/Employee.php
index 19df8c8b..042f85f6 100644
--- a/lib/Models/PayrollUk/Employee.php
+++ b/lib/Models/PayrollUk/Employee.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EmployeeLeave.php b/lib/Models/PayrollUk/EmployeeLeave.php
index 3997f0ed..d0dec281 100644
--- a/lib/Models/PayrollUk/EmployeeLeave.php
+++ b/lib/Models/PayrollUk/EmployeeLeave.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EmployeeLeaveBalance.php b/lib/Models/PayrollUk/EmployeeLeaveBalance.php
index ec31d7e0..17f93f4c 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveBalance.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveBalance.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EmployeeLeaveBalances.php b/lib/Models/PayrollUk/EmployeeLeaveBalances.php
index a2348652..0c569b64 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveBalances.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveBalances.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EmployeeLeaveObject.php b/lib/Models/PayrollUk/EmployeeLeaveObject.php
index e3912643..5eb3a7b1 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveObject.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EmployeeLeaveType.php b/lib/Models/PayrollUk/EmployeeLeaveType.php
index be862627..a2dbb539 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveType.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EmployeeLeaveTypeObject.php b/lib/Models/PayrollUk/EmployeeLeaveTypeObject.php
index 3b7ecd03..d0773d7b 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveTypeObject.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveTypeObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EmployeeLeaveTypes.php b/lib/Models/PayrollUk/EmployeeLeaveTypes.php
index ea7bc7fb..c970e146 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveTypes.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveTypes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EmployeeLeaves.php b/lib/Models/PayrollUk/EmployeeLeaves.php
index a6f81a2c..b490e328 100644
--- a/lib/Models/PayrollUk/EmployeeLeaves.php
+++ b/lib/Models/PayrollUk/EmployeeLeaves.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EmployeeObject.php b/lib/Models/PayrollUk/EmployeeObject.php
index 3bd25712..c529d57f 100644
--- a/lib/Models/PayrollUk/EmployeeObject.php
+++ b/lib/Models/PayrollUk/EmployeeObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EmployeeOpeningBalances.php b/lib/Models/PayrollUk/EmployeeOpeningBalances.php
index fe93ea56..8746210b 100644
--- a/lib/Models/PayrollUk/EmployeeOpeningBalances.php
+++ b/lib/Models/PayrollUk/EmployeeOpeningBalances.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EmployeeOpeningBalancesObject.php b/lib/Models/PayrollUk/EmployeeOpeningBalancesObject.php
index c8b37464..93f0591a 100644
--- a/lib/Models/PayrollUk/EmployeeOpeningBalancesObject.php
+++ b/lib/Models/PayrollUk/EmployeeOpeningBalancesObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EmployeePayTemplate.php b/lib/Models/PayrollUk/EmployeePayTemplate.php
index bfe8cf70..8e9d2590 100644
--- a/lib/Models/PayrollUk/EmployeePayTemplate.php
+++ b/lib/Models/PayrollUk/EmployeePayTemplate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EmployeePayTemplateObject.php b/lib/Models/PayrollUk/EmployeePayTemplateObject.php
index f0d75df6..7eac9926 100644
--- a/lib/Models/PayrollUk/EmployeePayTemplateObject.php
+++ b/lib/Models/PayrollUk/EmployeePayTemplateObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EmployeePayTemplates.php b/lib/Models/PayrollUk/EmployeePayTemplates.php
index 9f37957d..13791ab5 100644
--- a/lib/Models/PayrollUk/EmployeePayTemplates.php
+++ b/lib/Models/PayrollUk/EmployeePayTemplates.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalance.php b/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalance.php
index bcebf0ce..19fa2784 100644
--- a/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalance.php
+++ b/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalance.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalanceObject.php b/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalanceObject.php
index eaaa3ea8..812fc3b3 100644
--- a/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalanceObject.php
+++ b/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalanceObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EmployeeStatutoryLeaveSummary.php b/lib/Models/PayrollUk/EmployeeStatutoryLeaveSummary.php
index fe9cc769..139e82a9 100644
--- a/lib/Models/PayrollUk/EmployeeStatutoryLeaveSummary.php
+++ b/lib/Models/PayrollUk/EmployeeStatutoryLeaveSummary.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EmployeeStatutoryLeavesSummaries.php b/lib/Models/PayrollUk/EmployeeStatutoryLeavesSummaries.php
index 4914efd3..366aacab 100644
--- a/lib/Models/PayrollUk/EmployeeStatutoryLeavesSummaries.php
+++ b/lib/Models/PayrollUk/EmployeeStatutoryLeavesSummaries.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EmployeeStatutorySickLeave.php b/lib/Models/PayrollUk/EmployeeStatutorySickLeave.php
index b5b5d016..36c369ab 100644
--- a/lib/Models/PayrollUk/EmployeeStatutorySickLeave.php
+++ b/lib/Models/PayrollUk/EmployeeStatutorySickLeave.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EmployeeStatutorySickLeaveObject.php b/lib/Models/PayrollUk/EmployeeStatutorySickLeaveObject.php
index 24f131c0..2f964adc 100644
--- a/lib/Models/PayrollUk/EmployeeStatutorySickLeaveObject.php
+++ b/lib/Models/PayrollUk/EmployeeStatutorySickLeaveObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EmployeeStatutorySickLeaves.php b/lib/Models/PayrollUk/EmployeeStatutorySickLeaves.php
index 336a0f9b..11688bb7 100644
--- a/lib/Models/PayrollUk/EmployeeStatutorySickLeaves.php
+++ b/lib/Models/PayrollUk/EmployeeStatutorySickLeaves.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EmployeeTax.php b/lib/Models/PayrollUk/EmployeeTax.php
index c940d945..7df11f5b 100644
--- a/lib/Models/PayrollUk/EmployeeTax.php
+++ b/lib/Models/PayrollUk/EmployeeTax.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EmployeeTaxObject.php b/lib/Models/PayrollUk/EmployeeTaxObject.php
index 9b465e45..46994064 100644
--- a/lib/Models/PayrollUk/EmployeeTaxObject.php
+++ b/lib/Models/PayrollUk/EmployeeTaxObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/Employees.php b/lib/Models/PayrollUk/Employees.php
index 13e1e6d0..f19fd7d0 100644
--- a/lib/Models/PayrollUk/Employees.php
+++ b/lib/Models/PayrollUk/Employees.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/Employment.php b/lib/Models/PayrollUk/Employment.php
index 4d445dd5..2adce426 100644
--- a/lib/Models/PayrollUk/Employment.php
+++ b/lib/Models/PayrollUk/Employment.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/EmploymentObject.php b/lib/Models/PayrollUk/EmploymentObject.php
index 7b0736d7..9d987256 100644
--- a/lib/Models/PayrollUk/EmploymentObject.php
+++ b/lib/Models/PayrollUk/EmploymentObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/InvalidField.php b/lib/Models/PayrollUk/InvalidField.php
index dffa636a..9bfb1832 100644
--- a/lib/Models/PayrollUk/InvalidField.php
+++ b/lib/Models/PayrollUk/InvalidField.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/LeaveAccrualLine.php b/lib/Models/PayrollUk/LeaveAccrualLine.php
index 1b9c0580..77a9dc0e 100644
--- a/lib/Models/PayrollUk/LeaveAccrualLine.php
+++ b/lib/Models/PayrollUk/LeaveAccrualLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/LeaveEarningsLine.php b/lib/Models/PayrollUk/LeaveEarningsLine.php
index 5d39ca5d..7a979cfe 100644
--- a/lib/Models/PayrollUk/LeaveEarningsLine.php
+++ b/lib/Models/PayrollUk/LeaveEarningsLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/LeavePeriod.php b/lib/Models/PayrollUk/LeavePeriod.php
index f15d8f3a..b1314b16 100644
--- a/lib/Models/PayrollUk/LeavePeriod.php
+++ b/lib/Models/PayrollUk/LeavePeriod.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/LeavePeriods.php b/lib/Models/PayrollUk/LeavePeriods.php
index 13b1b343..c6f695aa 100644
--- a/lib/Models/PayrollUk/LeavePeriods.php
+++ b/lib/Models/PayrollUk/LeavePeriods.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/LeaveType.php b/lib/Models/PayrollUk/LeaveType.php
index 29290fd5..b0c1a664 100644
--- a/lib/Models/PayrollUk/LeaveType.php
+++ b/lib/Models/PayrollUk/LeaveType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/LeaveTypeObject.php b/lib/Models/PayrollUk/LeaveTypeObject.php
index aee52fb0..6fe46a39 100644
--- a/lib/Models/PayrollUk/LeaveTypeObject.php
+++ b/lib/Models/PayrollUk/LeaveTypeObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/LeaveTypes.php b/lib/Models/PayrollUk/LeaveTypes.php
index ce2691da..397f2be3 100644
--- a/lib/Models/PayrollUk/LeaveTypes.php
+++ b/lib/Models/PayrollUk/LeaveTypes.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/ModelInterface.php b/lib/Models/PayrollUk/ModelInterface.php
index 3b3ff4f0..7bff152a 100644
--- a/lib/Models/PayrollUk/ModelInterface.php
+++ b/lib/Models/PayrollUk/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/Pagination.php b/lib/Models/PayrollUk/Pagination.php
index f0291472..c7e9c2b0 100644
--- a/lib/Models/PayrollUk/Pagination.php
+++ b/lib/Models/PayrollUk/Pagination.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/PayRun.php b/lib/Models/PayrollUk/PayRun.php
index d293c6b2..cdbf42e1 100644
--- a/lib/Models/PayrollUk/PayRun.php
+++ b/lib/Models/PayrollUk/PayRun.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/PayRunCalendar.php b/lib/Models/PayrollUk/PayRunCalendar.php
index 4581146a..090b2ba1 100644
--- a/lib/Models/PayrollUk/PayRunCalendar.php
+++ b/lib/Models/PayrollUk/PayRunCalendar.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/PayRunCalendarObject.php b/lib/Models/PayrollUk/PayRunCalendarObject.php
index 90009e2c..b367a763 100644
--- a/lib/Models/PayrollUk/PayRunCalendarObject.php
+++ b/lib/Models/PayrollUk/PayRunCalendarObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/PayRunCalendars.php b/lib/Models/PayrollUk/PayRunCalendars.php
index 0b18683f..60371e52 100644
--- a/lib/Models/PayrollUk/PayRunCalendars.php
+++ b/lib/Models/PayrollUk/PayRunCalendars.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/PayRunObject.php b/lib/Models/PayrollUk/PayRunObject.php
index 74105eac..197ebdaa 100644
--- a/lib/Models/PayrollUk/PayRunObject.php
+++ b/lib/Models/PayrollUk/PayRunObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/PayRuns.php b/lib/Models/PayrollUk/PayRuns.php
index c349aa28..a73fcc10 100644
--- a/lib/Models/PayrollUk/PayRuns.php
+++ b/lib/Models/PayrollUk/PayRuns.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/PaymentLine.php b/lib/Models/PayrollUk/PaymentLine.php
index 04d762f0..41f43b48 100644
--- a/lib/Models/PayrollUk/PaymentLine.php
+++ b/lib/Models/PayrollUk/PaymentLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/PaymentMethod.php b/lib/Models/PayrollUk/PaymentMethod.php
index 66902370..ced2434f 100644
--- a/lib/Models/PayrollUk/PaymentMethod.php
+++ b/lib/Models/PayrollUk/PaymentMethod.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/PaymentMethodObject.php b/lib/Models/PayrollUk/PaymentMethodObject.php
index ccfc9b4c..b0bff6a4 100644
--- a/lib/Models/PayrollUk/PaymentMethodObject.php
+++ b/lib/Models/PayrollUk/PaymentMethodObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/Payslip.php b/lib/Models/PayrollUk/Payslip.php
index 2cd4e42e..1f781dc0 100644
--- a/lib/Models/PayrollUk/Payslip.php
+++ b/lib/Models/PayrollUk/Payslip.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/PayslipObject.php b/lib/Models/PayrollUk/PayslipObject.php
index 70ea3959..c0ff9571 100644
--- a/lib/Models/PayrollUk/PayslipObject.php
+++ b/lib/Models/PayrollUk/PayslipObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/Payslips.php b/lib/Models/PayrollUk/Payslips.php
index 3208589d..c1b032af 100644
--- a/lib/Models/PayrollUk/Payslips.php
+++ b/lib/Models/PayrollUk/Payslips.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/Problem.php b/lib/Models/PayrollUk/Problem.php
index e2b7c022..f6836f75 100644
--- a/lib/Models/PayrollUk/Problem.php
+++ b/lib/Models/PayrollUk/Problem.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/Reimbursement.php b/lib/Models/PayrollUk/Reimbursement.php
index e3057ac7..58a5ff1b 100644
--- a/lib/Models/PayrollUk/Reimbursement.php
+++ b/lib/Models/PayrollUk/Reimbursement.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/ReimbursementLine.php b/lib/Models/PayrollUk/ReimbursementLine.php
index e50ac6bf..65b2c552 100644
--- a/lib/Models/PayrollUk/ReimbursementLine.php
+++ b/lib/Models/PayrollUk/ReimbursementLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/ReimbursementObject.php b/lib/Models/PayrollUk/ReimbursementObject.php
index ac8e327a..f66165ef 100644
--- a/lib/Models/PayrollUk/ReimbursementObject.php
+++ b/lib/Models/PayrollUk/ReimbursementObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/Reimbursements.php b/lib/Models/PayrollUk/Reimbursements.php
index ddf51e8e..546dd5a9 100644
--- a/lib/Models/PayrollUk/Reimbursements.php
+++ b/lib/Models/PayrollUk/Reimbursements.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/SalaryAndWage.php b/lib/Models/PayrollUk/SalaryAndWage.php
index f41573c2..05fd0b90 100644
--- a/lib/Models/PayrollUk/SalaryAndWage.php
+++ b/lib/Models/PayrollUk/SalaryAndWage.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/SalaryAndWageObject.php b/lib/Models/PayrollUk/SalaryAndWageObject.php
index e0b5d5d2..2a720201 100644
--- a/lib/Models/PayrollUk/SalaryAndWageObject.php
+++ b/lib/Models/PayrollUk/SalaryAndWageObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/SalaryAndWages.php b/lib/Models/PayrollUk/SalaryAndWages.php
index 3a35054d..cc3e68d8 100644
--- a/lib/Models/PayrollUk/SalaryAndWages.php
+++ b/lib/Models/PayrollUk/SalaryAndWages.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/Settings.php b/lib/Models/PayrollUk/Settings.php
index 277abb3c..855caab7 100644
--- a/lib/Models/PayrollUk/Settings.php
+++ b/lib/Models/PayrollUk/Settings.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/StatutoryDeduction.php b/lib/Models/PayrollUk/StatutoryDeduction.php
index 2b0309ae..4e02af15 100644
--- a/lib/Models/PayrollUk/StatutoryDeduction.php
+++ b/lib/Models/PayrollUk/StatutoryDeduction.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/StatutoryDeductionCategory.php b/lib/Models/PayrollUk/StatutoryDeductionCategory.php
index b9c39629..6cc966b9 100644
--- a/lib/Models/PayrollUk/StatutoryDeductionCategory.php
+++ b/lib/Models/PayrollUk/StatutoryDeductionCategory.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/TaxLine.php b/lib/Models/PayrollUk/TaxLine.php
index 49a9acf7..d9975f7f 100644
--- a/lib/Models/PayrollUk/TaxLine.php
+++ b/lib/Models/PayrollUk/TaxLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/Timesheet.php b/lib/Models/PayrollUk/Timesheet.php
index c5a5f4df..623695e2 100644
--- a/lib/Models/PayrollUk/Timesheet.php
+++ b/lib/Models/PayrollUk/Timesheet.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/TimesheetEarningsLine.php b/lib/Models/PayrollUk/TimesheetEarningsLine.php
index 701c0cd7..673aa714 100644
--- a/lib/Models/PayrollUk/TimesheetEarningsLine.php
+++ b/lib/Models/PayrollUk/TimesheetEarningsLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/TimesheetLine.php b/lib/Models/PayrollUk/TimesheetLine.php
index 182ee581..30f5a423 100644
--- a/lib/Models/PayrollUk/TimesheetLine.php
+++ b/lib/Models/PayrollUk/TimesheetLine.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/TimesheetLineObject.php b/lib/Models/PayrollUk/TimesheetLineObject.php
index 3efcaf71..861a7c4d 100644
--- a/lib/Models/PayrollUk/TimesheetLineObject.php
+++ b/lib/Models/PayrollUk/TimesheetLineObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/TimesheetObject.php b/lib/Models/PayrollUk/TimesheetObject.php
index 0aa0cbec..63862acb 100644
--- a/lib/Models/PayrollUk/TimesheetObject.php
+++ b/lib/Models/PayrollUk/TimesheetObject.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/Timesheets.php b/lib/Models/PayrollUk/Timesheets.php
index 868a1afc..d3d1ee66 100644
--- a/lib/Models/PayrollUk/Timesheets.php
+++ b/lib/Models/PayrollUk/Timesheets.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/TrackingCategories.php b/lib/Models/PayrollUk/TrackingCategories.php
index 33aebf7c..40b45db3 100644
--- a/lib/Models/PayrollUk/TrackingCategories.php
+++ b/lib/Models/PayrollUk/TrackingCategories.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/PayrollUk/TrackingCategory.php b/lib/Models/PayrollUk/TrackingCategory.php
index cee32994..5382ac97 100644
--- a/lib/Models/PayrollUk/TrackingCategory.php
+++ b/lib/Models/PayrollUk/TrackingCategory.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Project/Amount.php b/lib/Models/Project/Amount.php
index 04edb51b..8d628c40 100644
--- a/lib/Models/Project/Amount.php
+++ b/lib/Models/Project/Amount.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Project/ChargeType.php b/lib/Models/Project/ChargeType.php
index ac5648af..feebf426 100644
--- a/lib/Models/Project/ChargeType.php
+++ b/lib/Models/Project/ChargeType.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Project/CurrencyCode.php b/lib/Models/Project/CurrencyCode.php
index a3cebe4a..c4650ed7 100644
--- a/lib/Models/Project/CurrencyCode.php
+++ b/lib/Models/Project/CurrencyCode.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Project/Error.php b/lib/Models/Project/Error.php
index 926d53b4..a48fff99 100644
--- a/lib/Models/Project/Error.php
+++ b/lib/Models/Project/Error.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Project/ModelInterface.php b/lib/Models/Project/ModelInterface.php
index ed8b4367..38261eda 100644
--- a/lib/Models/Project/ModelInterface.php
+++ b/lib/Models/Project/ModelInterface.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Project/Pagination.php b/lib/Models/Project/Pagination.php
index 5f799e19..3a916a51 100644
--- a/lib/Models/Project/Pagination.php
+++ b/lib/Models/Project/Pagination.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Project/Project.php b/lib/Models/Project/Project.php
index d7dd764c..04e86fb9 100644
--- a/lib/Models/Project/Project.php
+++ b/lib/Models/Project/Project.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Project/ProjectCreateOrUpdate.php b/lib/Models/Project/ProjectCreateOrUpdate.php
index a11695a5..5291124c 100644
--- a/lib/Models/Project/ProjectCreateOrUpdate.php
+++ b/lib/Models/Project/ProjectCreateOrUpdate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Project/ProjectPatch.php b/lib/Models/Project/ProjectPatch.php
index 0c35d991..b3c50ce2 100644
--- a/lib/Models/Project/ProjectPatch.php
+++ b/lib/Models/Project/ProjectPatch.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Project/ProjectStatus.php b/lib/Models/Project/ProjectStatus.php
index 3e29488f..4c6cc76b 100644
--- a/lib/Models/Project/ProjectStatus.php
+++ b/lib/Models/Project/ProjectStatus.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Project/ProjectUser.php b/lib/Models/Project/ProjectUser.php
index 580d076d..9e3219f0 100644
--- a/lib/Models/Project/ProjectUser.php
+++ b/lib/Models/Project/ProjectUser.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Project/ProjectUsers.php b/lib/Models/Project/ProjectUsers.php
index d5c93bab..28a5738e 100644
--- a/lib/Models/Project/ProjectUsers.php
+++ b/lib/Models/Project/ProjectUsers.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Project/Projects.php b/lib/Models/Project/Projects.php
index affd4c8a..76a9dd4a 100644
--- a/lib/Models/Project/Projects.php
+++ b/lib/Models/Project/Projects.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Project/Task.php b/lib/Models/Project/Task.php
index 44cf8d1d..5121503c 100644
--- a/lib/Models/Project/Task.php
+++ b/lib/Models/Project/Task.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Project/TaskCreateOrUpdate.php b/lib/Models/Project/TaskCreateOrUpdate.php
index 0734278c..be43dba3 100644
--- a/lib/Models/Project/TaskCreateOrUpdate.php
+++ b/lib/Models/Project/TaskCreateOrUpdate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -252,6 +252,8 @@ public function getName()
     public function setName($name)
     {
 
+
+
         $this->container['name'] = $name;
 
         return $this;
diff --git a/lib/Models/Project/Tasks.php b/lib/Models/Project/Tasks.php
index 617d584d..c8629b22 100644
--- a/lib/Models/Project/Tasks.php
+++ b/lib/Models/Project/Tasks.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Project/TimeEntries.php b/lib/Models/Project/TimeEntries.php
index cded14af..372bb92a 100644
--- a/lib/Models/Project/TimeEntries.php
+++ b/lib/Models/Project/TimeEntries.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Project/TimeEntry.php b/lib/Models/Project/TimeEntry.php
index 943e1e46..f20ea5dd 100644
--- a/lib/Models/Project/TimeEntry.php
+++ b/lib/Models/Project/TimeEntry.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/Models/Project/TimeEntryCreateOrUpdate.php b/lib/Models/Project/TimeEntryCreateOrUpdate.php
index cee02672..95491282 100644
--- a/lib/Models/Project/TimeEntryCreateOrUpdate.php
+++ b/lib/Models/Project/TimeEntryCreateOrUpdate.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
diff --git a/lib/PayrollAuObjectSerializer.php b/lib/PayrollAuObjectSerializer.php
index e745afe4..8b6b05c2 100644
--- a/lib/PayrollAuObjectSerializer.php
+++ b/lib/PayrollAuObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {
diff --git a/lib/PayrollNzObjectSerializer.php b/lib/PayrollNzObjectSerializer.php
index d1dda1d6..3f17a68f 100644
--- a/lib/PayrollNzObjectSerializer.php
+++ b/lib/PayrollNzObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {
diff --git a/lib/PayrollUkObjectSerializer.php b/lib/PayrollUkObjectSerializer.php
index 6a356833..a783de94 100644
--- a/lib/PayrollUkObjectSerializer.php
+++ b/lib/PayrollUkObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {
diff --git a/lib/ProjectObjectSerializer.php b/lib/ProjectObjectSerializer.php
index 550a2618..04cc5714 100644
--- a/lib/ProjectObjectSerializer.php
+++ b/lib/ProjectObjectSerializer.php
@@ -17,7 +17,7 @@
  *
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.3.1
+ * OpenAPI Generator version: 5.4.0
  */
 
 /**
@@ -88,7 +88,7 @@ public static function sanitizeForSerialization($data, $type = null, $format = n
                     $getter = $data::getters()[$property];
                     $value = $data->$getter();
                     if ($value !== null
-                        && !in_array($openAPIType, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
+                        && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)
                         && method_exists($openAPIType, 'getAllowableEnumValues')
                         && !in_array($value, $openAPIType::getAllowableEnumValues(), true)) {
                         $imploded = implode("', '", $openAPIType::getAllowableEnumValues());
@@ -308,7 +308,7 @@ public static function deserialize($data, $class, $httpHeaders = null)
             } else {
                 return null;
             }
-        } elseif (in_array($class, ['DateTime', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
+        } elseif (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'double', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
             settype($data, $class);
             return $data;
         } elseif ($class === '\SplFileObject') {

From d755dad37ff7a3b83f859fc8caa2deaad0d78195 Mon Sep 17 00:00:00 2001
From: Rett Behrens <rett@rettbehrens.codes>
Date: Thu, 5 May 2022 13:46:09 -0600
Subject: [PATCH 4/7] regenerates from OAS 2.22.2

---
 docs/v2/accounting/index.html            | 127 +++++++++++-
 docs/v2/finance/index.html               |  14 +-
 lib/Api/AccountingApi.php                | 252 ++++++++++++++++++++++-
 lib/Api/AppStoreApi.php                  |   2 +-
 lib/Api/AssetApi.php                     |   2 +-
 lib/Api/FilesApi.php                     |   2 +-
 lib/Api/FinanceApi.php                   |   2 +-
 lib/Api/IdentityApi.php                  |   2 +-
 lib/Api/PayrollAuApi.php                 |   2 +-
 lib/Api/PayrollNzApi.php                 |   2 +-
 lib/Api/PayrollUkApi.php                 |   2 +-
 lib/Api/ProjectApi.php                   |   2 +-
 lib/Configuration.php                    |   2 +-
 lib/Models/Accounting/Organisation.php   |   2 +
 lib/Models/Accounting/TaxRate.php        |   2 +
 lib/Models/Accounting/TaxType.php        |   2 +
 lib/Models/Finance/StatementResponse.php |  68 +++++-
 17 files changed, 471 insertions(+), 16 deletions(-)

diff --git a/docs/v2/accounting/index.html b/docs/v2/accounting/index.html
index c3c37b52..63bccf31 100644
--- a/docs/v2/accounting/index.html
+++ b/docs/v2/accounting/index.html
@@ -4017,7 +4017,7 @@
     "Class" : {
       "type" : "string",
       "description" : "Organisation Classes describe which plan the Xero organisation is on (e.g. DEMO, TRIAL, PREMIUM)",
-      "enum" : [ "DEMO", "TRIAL", "STARTER", "STANDARD", "PREMIUM", "PREMIUM_20", "PREMIUM_50", "PREMIUM_100", "LEDGER", "GST_CASHBOOK", "NON_GST_CASHBOOK" ]
+      "enum" : [ "DEMO", "TRIAL", "STARTER", "STANDARD", "PREMIUM", "PREMIUM_20", "PREMIUM_50", "PREMIUM_100", "LEDGER", "GST_CASHBOOK", "NON_GST_CASHBOOK", "ULTIMATE" ]
     },
     "Edition" : {
       "type" : "string",
@@ -5560,7 +5560,7 @@
     "ReportTaxType" : {
       "type" : "string",
       "description" : "See ReportTaxTypes",
-      "enum" : [ "AVALARA", "BASEXCLUDED", "CAPITALSALESOUTPUT", "CAPITALEXPENSESINPUT", "ECOUTPUT", "ECOUTPUTSERVICES", "ECINPUT", "ECACQUISITIONS", "EXEMPTEXPENSES", "EXEMPTINPUT", "EXEMPTOUTPUT", "GSTONIMPORTS", "INPUT", "INPUTTAXED", "MOSSSALES", "NONE", "NONEOUTPUT", "OUTPUT", "PURCHASESINPUT", "SALESOUTPUT", "EXEMPTCAPITAL", "EXEMPTEXPORT", "CAPITALEXINPUT", "GSTONCAPIMPORTS", "GSTONCAPITALIMPORTS", "REVERSECHARGES", "PAYMENTS", "INVOICE", "CASH", "ACCRUAL", "FLATRATECASH", "FLATRATEACCRUAL", "ACCRUALS", "TXCA", "SRCAS", "DSOUTPUT", "BLINPUT2", "EPINPUT", "IMINPUT2", "MEINPUT", "IGDSINPUT2", "ESN33OUTPUT", "OPINPUT", "OSOUTPUT", "TXN33INPUT", "TXESSINPUT", "TXREINPUT", "TXPETINPUT", "NRINPUT", "ES33OUTPUT", "ZERORATEDINPUT", "ZERORATEDOUTPUT", "DRCHARGESUPPLY", "DRCHARGE", "CAPINPUT", "CAPIMPORTS", "IMINPUT", "INPUT2", "CIUINPUT", "SRINPUT", "OUTPUT2", "SROUTPUT", "CAPOUTPUT", "SROUTPUT2", "CIUOUTPUT", "ZROUTPUT", "ZREXPORT", "ACC28PLUS", "ACCUPTO28", "OTHEROUTPUT", "SHOUTPUT", "ZRINPUT", "BADDEBT", "OTHERINPUT" ]
+      "enum" : [ "AVALARA", "BASEXCLUDED", "CAPITALSALESOUTPUT", "CAPITALEXPENSESINPUT", "ECOUTPUT", "ECOUTPUTSERVICES", "ECINPUT", "ECACQUISITIONS", "EXEMPTEXPENSES", "EXEMPTINPUT", "EXEMPTOUTPUT", "GSTONIMPORTS", "INPUT", "INPUTTAXED", "MOSSSALES", "NONE", "NONEOUTPUT", "OUTPUT", "PURCHASESINPUT", "SALESOUTPUT", "EXEMPTCAPITAL", "EXEMPTEXPORT", "CAPITALEXINPUT", "GSTONCAPIMPORTS", "GSTONCAPITALIMPORTS", "REVERSECHARGES", "PAYMENTS", "INVOICE", "CASH", "ACCRUAL", "FLATRATECASH", "FLATRATEACCRUAL", "ACCRUALS", "TXCA", "SRCAS", "DSOUTPUT", "BLINPUT2", "EPINPUT", "IMINPUT2", "MEINPUT", "IGDSINPUT2", "ESN33OUTPUT", "OPINPUT", "OSOUTPUT", "TXN33INPUT", "TXESSINPUT", "TXREINPUT", "TXPETINPUT", "NRINPUT", "ES33OUTPUT", "ZERORATEDINPUT", "ZERORATEDOUTPUT", "DRCHARGESUPPLY", "DRCHARGE", "CAPINPUT", "CAPIMPORTS", "IMINPUT", "INPUT2", "CIUINPUT", "SRINPUT", "OUTPUT2", "SROUTPUT", "CAPOUTPUT", "SROUTPUT2", "CIUOUTPUT", "ZROUTPUT", "ZREXPORT", "ACC28PLUS", "ACCUPTO28", "OTHEROUTPUT", "SHOUTPUT", "ZRINPUT", "BADDEBT", "OTHERINPUT", "BADDEBTRELIEF" ]
     },
     "CanApplyToAssets" : {
       "type" : "boolean",
@@ -5625,7 +5625,7 @@
   "title" : "",
   "type" : "string",
   "description" : "See Tax Types – can only be used on update calls",
-  "enum" : [ "OUTPUT", "INPUT", "CAPEXINPUT", "EXEMPTEXPORT", "EXEMPTEXPENSES", "EXEMPTCAPITAL", "EXEMPTOUTPUT", "INPUTTAXED", "BASEXCLUDED", "GSTONCAPIMPORTS", "GSTONIMPORTS", "NONE", "INPUT2", "ZERORATED", "OUTPUT2", "CAPEXINPUT2", "CAPEXOUTPUT", "CAPEXOUTPUT2", "CAPEXSRINPUT", "CAPEXSROUTPUT", "ECACQUISITIONS", "ECZRINPUT", "ECZROUTPUT", "ECZROUTPUTSERVICES", "EXEMPTINPUT", "REVERSECHARGES", "RRINPUT", "RROUTPUT", "SRINPUT", "SROUTPUT", "ZERORATEDINPUT", "ZERORATEDOUTPUT", "BLINPUT", "DSOUTPUT", "EPINPUT", "ES33OUTPUT", "ESN33OUTPUT", "IGDSINPUT2", "IMINPUT2", "MEINPUT", "NRINPUT", "OPINPUT", "OSOUTPUT", "TXESSINPUT", "TXN33INPUT", "TXPETINPUT", "TXREINPUT", "INPUT3", "INPUT4", "OUTPUT3", "OUTPUT4", "SROUTPUT2", "TXCA", "SRCAS", "BLINPUT2", "DRCHARGESUPPLY20", "DRCHARGE20", "DRCHARGESUPPLY5", "DRCHARGE5" ]
+  "enum" : [ "OUTPUT", "INPUT", "CAPEXINPUT", "EXEMPTEXPORT", "EXEMPTEXPENSES", "EXEMPTCAPITAL", "EXEMPTOUTPUT", "INPUTTAXED", "BASEXCLUDED", "GSTONCAPIMPORTS", "GSTONIMPORTS", "NONE", "INPUT2", "ZERORATED", "OUTPUT2", "CAPEXINPUT2", "CAPEXOUTPUT", "CAPEXOUTPUT2", "CAPEXSRINPUT", "CAPEXSROUTPUT", "ECACQUISITIONS", "ECZRINPUT", "ECZROUTPUT", "ECZROUTPUTSERVICES", "EXEMPTINPUT", "REVERSECHARGES", "RRINPUT", "RROUTPUT", "SRINPUT", "SROUTPUT", "ZERORATEDINPUT", "ZERORATEDOUTPUT", "BLINPUT", "DSOUTPUT", "EPINPUT", "ES33OUTPUT", "ESN33OUTPUT", "IGDSINPUT2", "IMINPUT2", "MEINPUT", "NRINPUT", "OPINPUT", "OSOUTPUT", "TXESSINPUT", "TXN33INPUT", "TXPETINPUT", "TXREINPUT", "INPUT3", "INPUT4", "OUTPUT3", "OUTPUT4", "SROUTPUT2", "TXCA", "SRCAS", "BLINPUT2", "DRCHARGESUPPLY20", "DRCHARGE20", "DRCHARGESUPPLY5", "DRCHARGE5", "BADDEBTRELIEF" ]
 };
       defs["TenNinetyNineContact"] = {
   "title" : "",
@@ -6378,6 +6378,9 @@
               <li data-group="Accounting" data-name="getJournal" class="">
                 <a href="#api-Accounting-getJournal">getJournal</a>
               </li>
+              <li data-group="Accounting" data-name="getJournalByNumber" class="">
+                <a href="#api-Accounting-getJournalByNumber">getJournalByNumber</a>
+              </li>
               <li data-group="Accounting" data-name="getJournals" class="">
                 <a href="#api-Accounting-getJournals">getJournals</a>
               </li>
@@ -26260,6 +26263,124 @@ <h2>Parameters</h2>
         </div>
     </div>
 </td>
+</tr>
+
+                  </table>
+                </article>
+              </div>
+              <hr>
+              <div id="api-Accounting-getJournalByNumber">
+                <article id="api-Accounting-getJournalByNumber-0" data-group="User" data-name="getJournalByNumber" data-version="0">
+                  <div class="pull-left">
+                    <h1>getJournalByNumber</h1>
+                    <p>Retrieves a specific journal using a unique journal number.</p>
+                  </div>
+                  <div class="pull-right"></div>
+                  <div class="clearfix"></div>
+                  <p></p>
+                  <p class="marked"></p>
+                  <p></p>
+                  <br />
+                  <pre class="prettyprint language-html prettyprinted" data-type="get"><code><span class="pln">/Journals/{JournalNumber}</span></code></pre>
+                  <p>
+                  <h3>Usage and SDK Samples</h3>
+                  </p>
+                  <ul class="nav nav-tabs nav-tabs-examples">
+                    <!-- *****REPLACE***** comment out the other languages <li> -->
+                    <li class=""><a href="#examples-Accounting-getJournalByNumber-0-php">PHP</a></li>
+                  </ul>
+                  <div class="tab-content">
+                    <!-- *****REPLACE***** comment out the other languages tab-pane -->
+                    <div class="tab-pane" id="examples-Accounting-getJournalByNumber-0-php">
+                      <pre class="prettyprint"><code class="language-php"><&#63;php
+require_once(__DIR__ . '/vendor/autoload.php');
+
+// Configure OAuth2 access token for authorization: OAuth2
+$config = XeroAPI\XeroPHP\Configuration::getDefaultConfiguration()->setAccessToken( 'YOUR_ACCESS_TOKEN' );       
+
+$apiInstance = new XeroAPI\XeroPHP\Api\AccountingApi(
+    new GuzzleHttp\Client(),
+    $config
+);
+$xeroTenantId = "YOUR_XERO_TENANT_ID";
+$journalNumber = 1000;
+
+try {
+  $result = $apiInstance->getJournalByNumber($xeroTenantId, $journalNumber);
+} catch (Exception $e) {
+  echo 'Exception when calling AccountingApi->getJournalByNumber: ', $e->getMessage(), PHP_EOL;
+}
+?>
+</code></pre>
+                    </div>
+                  </div>
+                  <h2>Scopes</h2>
+                  <table>
+                    
+                    <tr>
+                      <td>accounting.journals.read</td>
+                      <td>Grant read-only access to journals</td>
+                    </tr>
+                    
+                  </table>
+                  <h2>Parameters</h2>
+                  <div class="methodsubtabletitle">Path parameters</div>
+                  <table id="methodsubtable">
+                    <tr>
+                      <th width="150px">Name</th>
+                      <th>Description</th>
+                    </tr>
+                    <tr><td style="width:150px;">JournalNumber<span style="color:red;">*</span></td>
+<td>
+
+
+    <div id="d2e199_getJournalByNumber_journalNumber">
+        <div class="json-schema-view">
+            <div class="primitive">
+                <span class="type">
+                    Integer
+                </span>
+
+                    <div class="inner description marked">
+Number of a Journal
+                    </div>
+            </div>
+                <div class="inner required">
+                    Required
+                </div>
+        </div>
+    </div>
+</td>
+</tr>
+
+                  </table>
+                  <div class="methodsubtabletitle">Header parameters</div>
+                  <table id="methodsubtable">
+                    <tr>
+                      <th width="150px">Name</th>
+                      <th>Description</th>
+                    </tr>
+                    <tr><td style="width:150px;">xero-tenant-id<span style="color:red;">*</span></td>
+<td>
+
+
+    <div id="d2e199_getJournalByNumber_xeroTenantId">
+        <div class="json-schema-view">
+            <div class="primitive">
+                <span class="type">
+                    String
+                </span>
+
+                    <div class="inner description marked">
+Xero identifier for Tenant
+                    </div>
+            </div>
+                <div class="inner required">
+                    Required
+                </div>
+        </div>
+    </div>
+</td>
 </tr>
 
                   </table>
diff --git a/docs/v2/finance/index.html b/docs/v2/finance/index.html
index d2f5da19..9a2f4db8 100644
--- a/docs/v2/finance/index.html
+++ b/docs/v2/finance/index.html
@@ -2345,7 +2345,19 @@
     },
     "importSource" : {
       "type" : "string",
-      "description" : "Import source of statement (STMTIMPORTSRC/MANUAL, STMTIMPORTSRC/CSV, STMTIMPORTSRC/QIF, STMTIMPORTSRC/OFX, XeroApi)"
+      "description" : "Indicates the source of the statement data. Either imported from 1) direct bank feed OR 2) manual customer entry or upload. Manual import sources are STMTIMPORTSRC/MANUAL, STMTIMPORTSRC/CSV, STMTIMPORTSRC/OFX, Ofx or STMTIMPORTSRC/QIF. All other import sources are direct and, depending on the direct solution, may contain the name of the financial institution."
+    },
+    "startBalance" : {
+      "type" : "number",
+      "description" : "Opening balance sourced from imported bank statements (if supplied). Note, for manually uploaded statements, this balance is also manual and usually not supplied.",
+      "format" : "double",
+      "x-is-money" : true
+    },
+    "endBalance" : {
+      "type" : "number",
+      "description" : "Closing balance sourced from imported bank statements (if supplied). Note, for manually uploaded statements, this balance is also manual and usually not supplied.",
+      "format" : "double",
+      "x-is-money" : true
     },
     "statementLines" : {
       "type" : "array",
diff --git a/lib/Api/AccountingApi.php b/lib/Api/AccountingApi.php
index 7e9e5649..179b1f7b 100644
--- a/lib/Api/AccountingApi.php
+++ b/lib/Api/AccountingApi.php
@@ -14,7 +14,7 @@
  *
  * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
  *
- * OpenAPI spec version: 2.21.0
+ * OpenAPI spec version: 2.22.2
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
@@ -33222,6 +33222,256 @@ protected function getJournalRequest($xero_tenant_id, $journal_id)
         );
     }
 
+    /**
+     * Operation getJournalByNumber
+     * Retrieves a specific journal using a unique journal number.
+     * @param  string $xero_tenant_id Xero identifier for Tenant (required)
+     * @param  int $journal_number Number of a Journal (required)
+     * @throws \XeroAPI\XeroPHP\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return \XeroAPI\XeroPHP\Models\Accounting\Journals
+     */
+    public function getJournalByNumber($xero_tenant_id, $journal_number)
+    {
+        list($response) = $this->getJournalByNumberWithHttpInfo($xero_tenant_id, $journal_number);
+        return $response;
+    }
+    /**
+     * Operation getJournalByNumberWithHttpInfo
+     * Retrieves a specific journal using a unique journal number.
+     * @param  string $xero_tenant_id Xero identifier for Tenant (required)
+     * @param  int $journal_number Number of a Journal (required)
+     * @throws \XeroAPI\XeroPHP\ApiException on non-2xx response
+     * @throws \InvalidArgumentException
+     * @return array of \XeroAPI\XeroPHP\Models\Accounting\Journals, HTTP status code, HTTP response headers (array of strings)
+     */
+    public function getJournalByNumberWithHttpInfo($xero_tenant_id, $journal_number)
+    {
+        $request = $this->getJournalByNumberRequest($xero_tenant_id, $journal_number);
+        try {
+            $options = $this->createHttpClientOption();
+            try {
+                $response = $this->client->send($request, $options);
+            } catch (RequestException $e) {
+                throw new ApiException(
+                    "[{$e->getCode()}] {$e->getMessage()}",
+                    $e->getCode(),
+                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
+                    $e->getResponse() ? $e->getResponse()->getBody()->getContents() : null
+                );
+            }
+            $statusCode = $response->getStatusCode();
+            if ($statusCode < 200 || $statusCode > 299) {
+                throw new ApiException(
+                    sprintf(
+                        '[%d] Error connecting to the API (%s)',
+                        $statusCode,
+                        $request->getUri()
+                    ),
+                    $statusCode,
+                    $response->getHeaders(),
+                    $response->getBody()
+                );
+            }
+            $responseBody = $response->getBody();
+            switch($statusCode) {
+                case 200:
+                    if ('\XeroAPI\XeroPHP\Models\Accounting\Journals' === '\SplFileObject') {
+                        $content = $responseBody; //stream goes to serializer
+                    } else {
+                        $content = $responseBody->getContents();
+                    }
+                    return [
+                        AccountingObjectSerializer::deserialize($content, '\XeroAPI\XeroPHP\Models\Accounting\Journals', []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+            }
+            $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Journals';
+            $responseBody = $response->getBody();
+            if ($returnType === '\SplFileObject') {
+                $content = $responseBody; //stream goes to serializer
+            } else {
+                $content = $responseBody->getContents();
+            }
+            return [
+                AccountingObjectSerializer::deserialize($content, $returnType, []),
+                $response->getStatusCode(),
+                $response->getHeaders()
+            ];
+        } catch (ApiException $e) {
+            switch ($e->getCode()) {
+                case 200:
+                    $data = AccountingObjectSerializer::deserialize(
+                        $e->getResponseBody(),
+                        '\XeroAPI\XeroPHP\Models\Accounting\Journals',
+                        $e->getResponseHeaders()
+                    );
+                    $e->setResponseObject($data);
+                    break;
+            }
+            throw $e;
+        }
+    }
+    /**
+     * Operation getJournalByNumberAsync
+     * Retrieves a specific journal using a unique journal number.
+     * @param  string $xero_tenant_id Xero identifier for Tenant (required)
+     * @param  int $journal_number Number of a Journal (required)
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface
+     */
+    public function getJournalByNumberAsync($xero_tenant_id, $journal_number)
+    {
+        return $this->getJournalByNumberAsyncWithHttpInfo($xero_tenant_id, $journal_number)
+            ->then(
+                function ($response) {
+                    return $response[0];
+                }
+            );
+    }
+    /**
+     * Operation getJournalByNumberAsyncWithHttpInfo
+     * Retrieves a specific journal using a unique journal number.
+     * @param  string $xero_tenant_id Xero identifier for Tenant (required)
+     * @param  int $journal_number Number of a Journal (required)
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Promise\PromiseInterface */
+    public function getJournalByNumberAsyncWithHttpInfo($xero_tenant_id, $journal_number)
+    {
+        $returnType = '\XeroAPI\XeroPHP\Models\Accounting\Journals';
+        $request = $this->getJournalByNumberRequest($xero_tenant_id, $journal_number);
+        return $this->client
+            ->sendAsync($request, $this->createHttpClientOption())
+            ->then(
+                function ($response) use ($returnType) {
+                    $responseBody = $response->getBody();
+                    if ($returnType === '\SplFileObject') {
+                        $content = $responseBody; //stream goes to serializer
+                    } else {
+                        $content = $responseBody->getContents();
+                    }
+                    return [
+                        AccountingObjectSerializer::deserialize($content, $returnType, []),
+                        $response->getStatusCode(),
+                        $response->getHeaders()
+                    ];
+                },
+                function ($exception) {
+                    $response = $exception->getResponse();
+                    $statusCode = $response->getStatusCode();
+                    throw new ApiException(
+                        sprintf(
+                            '[%d] Error connecting to the API (%s)',
+                            $statusCode,
+                            $exception->getRequest()->getUri()
+                        ),
+                        $statusCode,
+                        $response->getHeaders(),
+                        $response->getBody()
+                    );
+                }
+            );
+    }
+
+    /**
+     * Create request for operation 'getJournalByNumber'
+     * @param  string $xero_tenant_id Xero identifier for Tenant (required)
+     * @param  int $journal_number Number of a Journal (required)
+     * @throws \InvalidArgumentException
+     * @return \GuzzleHttp\Psr7\Request  */
+    protected function getJournalByNumberRequest($xero_tenant_id, $journal_number)
+    {
+        // verify the required parameter 'xero_tenant_id' is set
+        if ($xero_tenant_id === null || (is_array($xero_tenant_id) && count($xero_tenant_id) === 0)) {
+            throw new \InvalidArgumentException(
+                'Missing the required parameter $xero_tenant_id when calling getJournalByNumber'
+            );
+        }
+        // verify the required parameter 'journal_number' is set
+        if ($journal_number === null || (is_array($journal_number) && count($journal_number) === 0)) {
+            throw new \InvalidArgumentException(
+                'Missing the required parameter $journal_number when calling getJournalByNumber'
+            );
+        }
+        $resourcePath = '/Journals/{JournalNumber}';
+        $formParams = [];
+        $queryParams = [];
+        $headerParams = [];
+        $httpBody = '';
+        $multipart = false;
+        // header params
+        if ($xero_tenant_id !== null) {
+            $headerParams['xero-tenant-id'] = AccountingObjectSerializer::toHeaderValue($xero_tenant_id);
+        }
+        // path params
+        if ($journal_number !== null) {
+            $resourcePath = str_replace(
+                '{' . 'JournalNumber' . '}',
+                AccountingObjectSerializer::toPathValue($journal_number),
+                $resourcePath
+            );
+        }
+        // body params
+        $_tempBody = null;
+        if ($multipart) {
+            $headers = $this->headerSelector->selectHeadersForMultipart(
+                ['application/json']
+            );
+        } else {
+            $headers = $this->headerSelector->selectHeaders(
+                ['application/json'],
+                []
+            );
+        }
+        // for model (json/xml)
+        if (isset($_tempBody)) {
+            // $_tempBody is the method argument, if present
+            if ($headers['Content-Type'] === 'application/json') {
+                $httpBody = \GuzzleHttp\json_encode(AccountingObjectSerializer::sanitizeForSerialization($_tempBody));
+            } else {
+                $httpBody = $_tempBody;
+            }
+        } elseif (count($formParams) > 0) {
+            if ($multipart) {
+                $multipartContents = [
+                    [
+                        'Content-type' => 'multipart/form-data',
+                    ]
+                ];
+                
+                // for HTTP post (form)
+                $httpBody = new MultipartStream($multipartContents);
+
+            } elseif ($headers['Content-Type'] === 'application/json') {
+                $httpBody = \GuzzleHttp\json_encode($formParams);
+            } else {
+                // for HTTP post (form)
+                $httpBody = \GuzzleHttp\Psr7\Query::build($formParams);
+            }
+        }
+        // this endpoint requires OAuth (access token)
+        if ($this->config->getAccessToken() !== null) {
+            $headers['Authorization'] = 'Bearer ' . $this->config->getAccessToken();
+        }
+        $defaultHeaders = [];
+        if ($this->config->getUserAgent()) {
+            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
+        }
+        $headers = array_merge(
+            $defaultHeaders,
+            $headerParams,
+            $headers
+        );
+        $query = \GuzzleHttp\Psr7\Query::build($queryParams);
+        return new Request(
+            'GET',
+            $this->config->getHostAccounting() . $resourcePath . ($query ? "?{$query}" : ''),
+            $headers,
+            $httpBody
+        );
+    }
+
     /**
      * Operation getJournals
      * Retrieves journals
diff --git a/lib/Api/AppStoreApi.php b/lib/Api/AppStoreApi.php
index 78ae3342..244021dd 100644
--- a/lib/Api/AppStoreApi.php
+++ b/lib/Api/AppStoreApi.php
@@ -14,7 +14,7 @@
  *
  * These endpoints are for Xero Partners to interact with the App Store Billing platform
  *
- * OpenAPI spec version: 2.21.0
+ * OpenAPI spec version: 2.22.2
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Api/AssetApi.php b/lib/Api/AssetApi.php
index 420362f1..c3c115d6 100644
--- a/lib/Api/AssetApi.php
+++ b/lib/Api/AssetApi.php
@@ -14,7 +14,7 @@
  *
  * The Assets API exposes fixed asset related functions of the Xero Accounting application and can be used for a variety of purposes such as creating assets, retrieving asset valuations etc.
  *
- * OpenAPI spec version: 2.21.0
+ * OpenAPI spec version: 2.22.2
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Api/FilesApi.php b/lib/Api/FilesApi.php
index acd7f0c8..29fa4ab6 100644
--- a/lib/Api/FilesApi.php
+++ b/lib/Api/FilesApi.php
@@ -14,7 +14,7 @@
  *
  * These endpoints are specific to Xero Files API
  *
- * OpenAPI spec version: 2.21.0
+ * OpenAPI spec version: 2.22.2
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Api/FinanceApi.php b/lib/Api/FinanceApi.php
index c15751fb..7f75784b 100644
--- a/lib/Api/FinanceApi.php
+++ b/lib/Api/FinanceApi.php
@@ -14,7 +14,7 @@
  *
  * The Finance API is a collection of endpoints which customers can use in the course of a loan application, which may assist lenders to gain the confidence they need to provide capital.
  *
- * OpenAPI spec version: 2.21.0
+ * OpenAPI spec version: 2.22.2
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Api/IdentityApi.php b/lib/Api/IdentityApi.php
index 340e46b3..69e04372 100644
--- a/lib/Api/IdentityApi.php
+++ b/lib/Api/IdentityApi.php
@@ -14,7 +14,7 @@
  *
  * These endpoints are related to managing authentication tokens and identity for Xero API
  *
- * OpenAPI spec version: 2.21.0
+ * OpenAPI spec version: 2.22.2
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Api/PayrollAuApi.php b/lib/Api/PayrollAuApi.php
index 8767a470..1cb4bfd7 100644
--- a/lib/Api/PayrollAuApi.php
+++ b/lib/Api/PayrollAuApi.php
@@ -14,7 +14,7 @@
  *
  * This is the Xero Payroll API for orgs in Australia region.
  *
- * OpenAPI spec version: 2.21.0
+ * OpenAPI spec version: 2.22.2
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Api/PayrollNzApi.php b/lib/Api/PayrollNzApi.php
index 4e6ed26f..f2fb3234 100644
--- a/lib/Api/PayrollNzApi.php
+++ b/lib/Api/PayrollNzApi.php
@@ -14,7 +14,7 @@
  *
  * This is the Xero Payroll API for orgs in the NZ region.
  *
- * OpenAPI spec version: 2.21.0
+ * OpenAPI spec version: 2.22.2
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Api/PayrollUkApi.php b/lib/Api/PayrollUkApi.php
index 48cbf36e..485189de 100644
--- a/lib/Api/PayrollUkApi.php
+++ b/lib/Api/PayrollUkApi.php
@@ -14,7 +14,7 @@
  *
  * This is the Xero Payroll API for orgs in the UK region.
  *
- * OpenAPI spec version: 2.21.0
+ * OpenAPI spec version: 2.22.2
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Api/ProjectApi.php b/lib/Api/ProjectApi.php
index a57a517e..6e03d1dc 100644
--- a/lib/Api/ProjectApi.php
+++ b/lib/Api/ProjectApi.php
@@ -14,7 +14,7 @@
  *
  * This is the Xero Projects API
  *
- * OpenAPI spec version: 2.21.0
+ * OpenAPI spec version: 2.22.2
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Configuration.php b/lib/Configuration.php
index 0841c64d..6876cd75 100644
--- a/lib/Configuration.php
+++ b/lib/Configuration.php
@@ -696,7 +696,7 @@ public static function toDebugReport()
         $report  = 'PHP SDK (XeroAPI\XeroPHP) Debug Report:' . PHP_EOL;
         $report .= '    OS: ' . php_uname() . PHP_EOL;
         $report .= '    PHP Version: ' . PHP_VERSION . PHP_EOL;
-        $report .= '    OpenAPI Spec Version: 2.21.0' . PHP_EOL;
+        $report .= '    OpenAPI Spec Version: 2.22.2' . PHP_EOL;
         $report .= '    SDK Package Version: 2.13.0' . PHP_EOL;
         $report .= '    Temp Folder Path: ' . self::getDefaultConfiguration()->getTempFolderPath() . PHP_EOL;
 
diff --git a/lib/Models/Accounting/Organisation.php b/lib/Models/Accounting/Organisation.php
index 469d4f58..fff0e9de 100644
--- a/lib/Models/Accounting/Organisation.php
+++ b/lib/Models/Accounting/Organisation.php
@@ -389,6 +389,7 @@ public function getModelName()
     const MODEL_CLASS_LEDGER = 'LEDGER';
     const MODEL_CLASS_GST_CASHBOOK = 'GST_CASHBOOK';
     const MODEL_CLASS_NON_GST_CASHBOOK = 'NON_GST_CASHBOOK';
+    const MODEL_CLASS_ULTIMATE = 'ULTIMATE';
     const EDITION_BUSINESS = 'BUSINESS';
     const EDITION_PARTNER = 'PARTNER';
     
@@ -527,6 +528,7 @@ public function getClassAllowableValues()
             self::MODEL_CLASS_LEDGER,
             self::MODEL_CLASS_GST_CASHBOOK,
             self::MODEL_CLASS_NON_GST_CASHBOOK,
+            self::MODEL_CLASS_ULTIMATE,
         ];
     }
     
diff --git a/lib/Models/Accounting/TaxRate.php b/lib/Models/Accounting/TaxRate.php
index b4175cc8..e0be76bc 100644
--- a/lib/Models/Accounting/TaxRate.php
+++ b/lib/Models/Accounting/TaxRate.php
@@ -292,6 +292,7 @@ public function getModelName()
     const REPORT_TAX_TYPE_ZRINPUT = 'ZRINPUT';
     const REPORT_TAX_TYPE_BADDEBT = 'BADDEBT';
     const REPORT_TAX_TYPE_OTHERINPUT = 'OTHERINPUT';
+    const REPORT_TAX_TYPE_BADDEBTRELIEF = 'BADDEBTRELIEF';
     
 
     
@@ -392,6 +393,7 @@ public function getReportTaxTypeAllowableValues()
             self::REPORT_TAX_TYPE_ZRINPUT,
             self::REPORT_TAX_TYPE_BADDEBT,
             self::REPORT_TAX_TYPE_OTHERINPUT,
+            self::REPORT_TAX_TYPE_BADDEBTRELIEF,
         ];
     }
     
diff --git a/lib/Models/Accounting/TaxType.php b/lib/Models/Accounting/TaxType.php
index bb7d5382..82ea013e 100644
--- a/lib/Models/Accounting/TaxType.php
+++ b/lib/Models/Accounting/TaxType.php
@@ -104,6 +104,7 @@ class TaxType
     const DRCHARGE20 = 'DRCHARGE20';
     const DRCHARGESUPPLY5 = 'DRCHARGESUPPLY5';
     const DRCHARGE5 = 'DRCHARGE5';
+    const BADDEBTRELIEF = 'BADDEBTRELIEF';
     
     /**
      * Gets allowable values of the enum
@@ -171,6 +172,7 @@ public static function getAllowableEnumValues()
             self::DRCHARGE20,
             self::DRCHARGESUPPLY5,
             self::DRCHARGE5,
+            self::BADDEBTRELIEF,
         ];
     }
 }
diff --git a/lib/Models/Finance/StatementResponse.php b/lib/Models/Finance/StatementResponse.php
index 744e22d9..d215c6ff 100644
--- a/lib/Models/Finance/StatementResponse.php
+++ b/lib/Models/Finance/StatementResponse.php
@@ -63,6 +63,8 @@ class StatementResponse implements ModelInterface, ArrayAccess
         'end_date' => '\DateTime',
         'imported_date_time_utc' => '\DateTime',
         'import_source' => 'string',
+        'start_balance' => 'double',
+        'end_balance' => 'double',
         'statement_lines' => '\XeroAPI\XeroPHP\Models\Finance\StatementLineResponse[]'
     ];
 
@@ -77,6 +79,8 @@ class StatementResponse implements ModelInterface, ArrayAccess
         'end_date' => 'date',
         'imported_date_time_utc' => 'date-time',
         'import_source' => null,
+        'start_balance' => 'double',
+        'end_balance' => 'double',
         'statement_lines' => null
     ];
 
@@ -112,6 +116,8 @@ public static function openAPIFormats()
         'end_date' => 'endDate',
         'imported_date_time_utc' => 'importedDateTimeUtc',
         'import_source' => 'importSource',
+        'start_balance' => 'startBalance',
+        'end_balance' => 'endBalance',
         'statement_lines' => 'statementLines'
     ];
 
@@ -126,6 +132,8 @@ public static function openAPIFormats()
         'end_date' => 'setEndDate',
         'imported_date_time_utc' => 'setImportedDateTimeUtc',
         'import_source' => 'setImportSource',
+        'start_balance' => 'setStartBalance',
+        'end_balance' => 'setEndBalance',
         'statement_lines' => 'setStatementLines'
     ];
 
@@ -140,6 +148,8 @@ public static function openAPIFormats()
         'end_date' => 'getEndDate',
         'imported_date_time_utc' => 'getImportedDateTimeUtc',
         'import_source' => 'getImportSource',
+        'start_balance' => 'getStartBalance',
+        'end_balance' => 'getEndBalance',
         'statement_lines' => 'getStatementLines'
     ];
 
@@ -208,6 +218,8 @@ public function __construct(array $data = null)
         $this->container['end_date'] = isset($data['end_date']) ? $data['end_date'] : null;
         $this->container['imported_date_time_utc'] = isset($data['imported_date_time_utc']) ? $data['imported_date_time_utc'] : null;
         $this->container['import_source'] = isset($data['import_source']) ? $data['import_source'] : null;
+        $this->container['start_balance'] = isset($data['start_balance']) ? $data['start_balance'] : null;
+        $this->container['end_balance'] = isset($data['end_balance']) ? $data['end_balance'] : null;
         $this->container['statement_lines'] = isset($data['statement_lines']) ? $data['statement_lines'] : null;
     }
 
@@ -356,7 +368,7 @@ public function getImportSource()
     /**
      * Sets import_source
      *
-     * @param string|null $import_source Import source of statement (STMTIMPORTSRC/MANUAL, STMTIMPORTSRC/CSV, STMTIMPORTSRC/QIF, STMTIMPORTSRC/OFX, XeroApi)
+     * @param string|null $import_source Indicates the source of the statement data. Either imported from 1) direct bank feed OR 2) manual customer entry or upload. Manual import sources are STMTIMPORTSRC/MANUAL, STMTIMPORTSRC/CSV, STMTIMPORTSRC/OFX, Ofx or STMTIMPORTSRC/QIF. All other import sources are direct and, depending on the direct solution, may contain the name of the financial institution.
      *
      * @return $this
      */
@@ -370,6 +382,60 @@ public function setImportSource($import_source)
 
 
 
+    /**
+     * Gets start_balance
+     *
+     * @return double|null
+     */
+    public function getStartBalance()
+    {
+        return $this->container['start_balance'];
+    }
+
+    /**
+     * Sets start_balance
+     *
+     * @param double|null $start_balance Opening balance sourced from imported bank statements (if supplied). Note, for manually uploaded statements, this balance is also manual and usually not supplied.
+     *
+     * @return $this
+     */
+    public function setStartBalance($start_balance)
+    {
+
+        $this->container['start_balance'] = $start_balance;
+
+        return $this;
+    }
+
+
+
+    /**
+     * Gets end_balance
+     *
+     * @return double|null
+     */
+    public function getEndBalance()
+    {
+        return $this->container['end_balance'];
+    }
+
+    /**
+     * Sets end_balance
+     *
+     * @param double|null $end_balance Closing balance sourced from imported bank statements (if supplied). Note, for manually uploaded statements, this balance is also manual and usually not supplied.
+     *
+     * @return $this
+     */
+    public function setEndBalance($end_balance)
+    {
+
+        $this->container['end_balance'] = $end_balance;
+
+        return $this;
+    }
+
+
+
     /**
      * Gets statement_lines
      *

From 532989ceb4642dc504e25ff4f59f16c14d0484a0 Mon Sep 17 00:00:00 2001
From: Rett Behrens <rett@rettbehrens.codes>
Date: Fri, 6 May 2022 11:23:36 -0600
Subject: [PATCH 5/7] regenerates from OAS 2.22.4

---
 docs/v2/accounting/index.html                 |  4 ++--
 lib/Api/AccountingApi.php                     |  2 +-
 lib/Api/AppStoreApi.php                       |  2 +-
 lib/Api/AssetApi.php                          |  2 +-
 lib/Api/FilesApi.php                          |  2 +-
 lib/Api/FinanceApi.php                        |  2 +-
 lib/Api/IdentityApi.php                       |  2 +-
 lib/Api/PayrollAuApi.php                      |  2 +-
 lib/Api/PayrollNzApi.php                      |  2 +-
 lib/Api/PayrollUkApi.php                      |  2 +-
 lib/Api/ProjectApi.php                        |  2 +-
 lib/Configuration.php                         |  2 +-
 lib/Models/Accounting/Account.php             |  8 ++++----
 lib/Models/Accounting/Accounts.php            |  8 ++++----
 lib/Models/Accounting/AccountsPayable.php     |  8 ++++----
 lib/Models/Accounting/AccountsReceivable.php  |  8 ++++----
 lib/Models/Accounting/Action.php              |  8 ++++----
 lib/Models/Accounting/Actions.php             |  8 ++++----
 lib/Models/Accounting/Address.php             |  8 ++++----
 .../Accounting/AddressForOrganisation.php     |  8 ++++----
 lib/Models/Accounting/Allocation.php          |  8 ++++----
 lib/Models/Accounting/Allocations.php         |  8 ++++----
 lib/Models/Accounting/Attachment.php          |  8 ++++----
 lib/Models/Accounting/Attachments.php         |  8 ++++----
 lib/Models/Accounting/BalanceDetails.php      |  8 ++++----
 lib/Models/Accounting/Balances.php            |  8 ++++----
 lib/Models/Accounting/BankTransaction.php     |  8 ++++----
 lib/Models/Accounting/BankTransactions.php    |  8 ++++----
 lib/Models/Accounting/BankTransfer.php        |  8 ++++----
 lib/Models/Accounting/BankTransfers.php       |  8 ++++----
 lib/Models/Accounting/BatchPayment.php        |  8 ++++----
 lib/Models/Accounting/BatchPaymentDetails.php |  8 ++++----
 lib/Models/Accounting/BatchPayments.php       |  8 ++++----
 lib/Models/Accounting/Bill.php                |  8 ++++----
 lib/Models/Accounting/BrandingTheme.php       |  8 ++++----
 lib/Models/Accounting/BrandingThemes.php      |  8 ++++----
 lib/Models/Accounting/Budget.php              |  8 ++++----
 lib/Models/Accounting/BudgetBalance.php       |  8 ++++----
 lib/Models/Accounting/BudgetLine.php          |  8 ++++----
 lib/Models/Accounting/Budgets.php             |  8 ++++----
 lib/Models/Accounting/CISOrgSetting.php       |  8 ++++----
 lib/Models/Accounting/CISOrgSettings.php      |  8 ++++----
 lib/Models/Accounting/CISSetting.php          |  8 ++++----
 lib/Models/Accounting/CISSettings.php         |  8 ++++----
 lib/Models/Accounting/Contact.php             |  8 ++++----
 lib/Models/Accounting/ContactGroup.php        |  8 ++++----
 lib/Models/Accounting/ContactGroups.php       |  8 ++++----
 lib/Models/Accounting/ContactPerson.php       |  8 ++++----
 lib/Models/Accounting/Contacts.php            |  8 ++++----
 lib/Models/Accounting/ConversionBalances.php  |  8 ++++----
 lib/Models/Accounting/ConversionDate.php      |  8 ++++----
 lib/Models/Accounting/CreditNote.php          |  8 ++++----
 lib/Models/Accounting/CreditNotes.php         |  8 ++++----
 lib/Models/Accounting/Currencies.php          |  8 ++++----
 lib/Models/Accounting/Currency.php            |  8 ++++----
 lib/Models/Accounting/Element.php             |  8 ++++----
 lib/Models/Accounting/Employee.php            |  8 ++++----
 lib/Models/Accounting/Employees.php           |  8 ++++----
 lib/Models/Accounting/Error.php               |  8 ++++----
 lib/Models/Accounting/ExpenseClaim.php        |  8 ++++----
 lib/Models/Accounting/ExpenseClaims.php       |  8 ++++----
 lib/Models/Accounting/ExternalLink.php        |  8 ++++----
 lib/Models/Accounting/HistoryRecord.php       |  8 ++++----
 lib/Models/Accounting/HistoryRecords.php      |  8 ++++----
 lib/Models/Accounting/ImportSummary.php       |  8 ++++----
 .../Accounting/ImportSummaryAccounts.php      |  8 ++++----
 lib/Models/Accounting/ImportSummaryObject.php |  8 ++++----
 .../Accounting/ImportSummaryOrganisation.php  |  8 ++++----
 lib/Models/Accounting/Invoice.php             |  8 ++++----
 lib/Models/Accounting/InvoiceReminder.php     |  8 ++++----
 lib/Models/Accounting/InvoiceReminders.php    |  8 ++++----
 lib/Models/Accounting/Invoices.php            |  8 ++++----
 lib/Models/Accounting/Item.php                |  8 ++++----
 lib/Models/Accounting/Items.php               |  8 ++++----
 lib/Models/Accounting/Journal.php             |  8 ++++----
 lib/Models/Accounting/JournalLine.php         |  8 ++++----
 lib/Models/Accounting/Journals.php            |  8 ++++----
 lib/Models/Accounting/LineItem.php            |  8 ++++----
 lib/Models/Accounting/LineItemItem.php        |  8 ++++----
 lib/Models/Accounting/LineItemTracking.php    |  8 ++++----
 lib/Models/Accounting/LinkedTransaction.php   |  8 ++++----
 lib/Models/Accounting/LinkedTransactions.php  |  8 ++++----
 lib/Models/Accounting/ManualJournal.php       |  8 ++++----
 lib/Models/Accounting/ManualJournalLine.php   |  8 ++++----
 lib/Models/Accounting/ManualJournals.php      |  8 ++++----
 lib/Models/Accounting/OnlineInvoice.php       |  8 ++++----
 lib/Models/Accounting/OnlineInvoices.php      |  8 ++++----
 lib/Models/Accounting/Organisation.php        |  8 ++++----
 lib/Models/Accounting/Organisations.php       |  8 ++++----
 lib/Models/Accounting/Overpayment.php         |  8 ++++----
 lib/Models/Accounting/Overpayments.php        |  8 ++++----
 lib/Models/Accounting/Payment.php             |  8 ++++----
 lib/Models/Accounting/PaymentDelete.php       |  8 ++++----
 lib/Models/Accounting/PaymentService.php      |  8 ++++----
 lib/Models/Accounting/PaymentServices.php     |  8 ++++----
 lib/Models/Accounting/PaymentTerm.php         |  8 ++++----
 lib/Models/Accounting/Payments.php            |  8 ++++----
 lib/Models/Accounting/Phone.php               |  8 ++++----
 lib/Models/Accounting/Prepayment.php          |  8 ++++----
 lib/Models/Accounting/Prepayments.php         |  8 ++++----
 lib/Models/Accounting/Purchase.php            |  8 ++++----
 lib/Models/Accounting/PurchaseOrder.php       |  8 ++++----
 lib/Models/Accounting/PurchaseOrders.php      |  8 ++++----
 lib/Models/Accounting/Quote.php               |  8 ++++----
 lib/Models/Accounting/Quotes.php              |  8 ++++----
 lib/Models/Accounting/Receipt.php             |  8 ++++----
 lib/Models/Accounting/Receipts.php            |  8 ++++----
 lib/Models/Accounting/RepeatingInvoice.php    |  8 ++++----
 lib/Models/Accounting/RepeatingInvoices.php   |  8 ++++----
 lib/Models/Accounting/Report.php              |  8 ++++----
 lib/Models/Accounting/ReportAttribute.php     |  8 ++++----
 lib/Models/Accounting/ReportCell.php          |  8 ++++----
 lib/Models/Accounting/ReportFields.php        |  8 ++++----
 lib/Models/Accounting/ReportRow.php           |  8 ++++----
 lib/Models/Accounting/ReportRows.php          |  8 ++++----
 lib/Models/Accounting/ReportWithRow.php       |  8 ++++----
 lib/Models/Accounting/ReportWithRows.php      |  8 ++++----
 lib/Models/Accounting/Reports.php             |  8 ++++----
 lib/Models/Accounting/RequestEmpty.php        |  8 ++++----
 .../Accounting/SalesTrackingCategory.php      |  8 ++++----
 lib/Models/Accounting/Schedule.php            |  8 ++++----
 lib/Models/Accounting/Setup.php               |  8 ++++----
 lib/Models/Accounting/TaxComponent.php        |  8 ++++----
 lib/Models/Accounting/TaxRate.php             | 20 +++++++++++++++----
 lib/Models/Accounting/TaxRates.php            |  8 ++++----
 lib/Models/Accounting/TaxType.php             | 12 +++++++++++
 .../Accounting/TenNinetyNineContact.php       |  8 ++++----
 lib/Models/Accounting/TrackingCategories.php  |  8 ++++----
 lib/Models/Accounting/TrackingCategory.php    |  8 ++++----
 lib/Models/Accounting/TrackingOption.php      |  8 ++++----
 lib/Models/Accounting/TrackingOptions.php     |  8 ++++----
 lib/Models/Accounting/User.php                |  8 ++++----
 lib/Models/Accounting/Users.php               |  8 ++++----
 lib/Models/Accounting/ValidationError.php     |  8 ++++----
 lib/Models/AppStore/Plan.php                  |  8 ++++----
 lib/Models/AppStore/Price.php                 |  8 ++++----
 lib/Models/AppStore/ProblemDetails.php        |  8 ++++----
 lib/Models/AppStore/Product.php               |  8 ++++----
 lib/Models/AppStore/Subscription.php          |  8 ++++----
 lib/Models/AppStore/SubscriptionItem.php      |  8 ++++----
 lib/Models/Asset/Asset.php                    |  8 ++++----
 lib/Models/Asset/AssetType.php                |  8 ++++----
 lib/Models/Asset/Assets.php                   |  8 ++++----
 lib/Models/Asset/BookDepreciationDetail.php   |  8 ++++----
 lib/Models/Asset/BookDepreciationSetting.php  |  8 ++++----
 lib/Models/Asset/Error.php                    |  8 ++++----
 .../Asset/FieldValidationErrorsElement.php    |  8 ++++----
 lib/Models/Asset/Pagination.php               |  8 ++++----
 .../Asset/ResourceValidationErrorsElement.php |  8 ++++----
 lib/Models/Asset/Setting.php                  |  8 ++++----
 lib/Models/File/Association.php               |  8 ++++----
 lib/Models/File/FileObject.php                |  8 ++++----
 lib/Models/File/Files.php                     |  8 ++++----
 lib/Models/File/Folder.php                    |  8 ++++----
 lib/Models/File/Folders.php                   |  8 ++++----
 lib/Models/File/User.php                      |  8 ++++----
 lib/Models/Finance/AccountUsage.php           |  8 ++++----
 lib/Models/Finance/AccountUsageResponse.php   |  8 ++++----
 .../Finance/BalanceSheetAccountDetail.php     |  8 ++++----
 .../Finance/BalanceSheetAccountGroup.php      |  8 ++++----
 .../Finance/BalanceSheetAccountType.php       |  8 ++++----
 lib/Models/Finance/BalanceSheetResponse.php   |  8 ++++----
 .../BankStatementAccountingResponse.php       |  8 ++++----
 lib/Models/Finance/BankStatementResponse.php  |  8 ++++----
 .../Finance/BankTransactionResponse.php       |  8 ++++----
 lib/Models/Finance/CashAccountResponse.php    |  8 ++++----
 lib/Models/Finance/CashBalance.php            |  8 ++++----
 lib/Models/Finance/CashValidationResponse.php |  8 ++++----
 lib/Models/Finance/CashflowAccount.php        |  8 ++++----
 lib/Models/Finance/CashflowActivity.php       |  8 ++++----
 lib/Models/Finance/CashflowResponse.php       |  8 ++++----
 lib/Models/Finance/CashflowType.php           |  8 ++++----
 lib/Models/Finance/ContactDetail.php          |  8 ++++----
 lib/Models/Finance/ContactResponse.php        |  8 ++++----
 lib/Models/Finance/ContactTotalDetail.php     |  8 ++++----
 lib/Models/Finance/ContactTotalOther.php      |  8 ++++----
 lib/Models/Finance/CreditNoteResponse.php     |  8 ++++----
 .../Finance/CurrentStatementResponse.php      |  8 ++++----
 lib/Models/Finance/DataSourceResponse.php     |  8 ++++----
 lib/Models/Finance/HistoryRecordResponse.php  |  8 ++++----
 .../Finance/IncomeByContactResponse.php       |  8 ++++----
 lib/Models/Finance/InvoiceResponse.php        |  8 ++++----
 lib/Models/Finance/LineItemResponse.php       |  8 ++++----
 lib/Models/Finance/LockHistoryModel.php       |  8 ++++----
 lib/Models/Finance/LockHistoryResponse.php    |  8 ++++----
 lib/Models/Finance/ManualJournalTotal.php     |  8 ++++----
 lib/Models/Finance/OverpaymentResponse.php    |  8 ++++----
 lib/Models/Finance/PaymentResponse.php        |  8 ++++----
 lib/Models/Finance/PnlAccount.php             |  8 ++++----
 lib/Models/Finance/PnlAccountClass.php        |  8 ++++----
 lib/Models/Finance/PnlAccountType.php         |  8 ++++----
 lib/Models/Finance/PracticeResponse.php       |  8 ++++----
 lib/Models/Finance/PrepaymentResponse.php     |  8 ++++----
 lib/Models/Finance/Problem.php                |  8 ++++----
 lib/Models/Finance/ProfitAndLossResponse.php  |  8 ++++----
 lib/Models/Finance/ReportHistoryModel.php     |  8 ++++----
 lib/Models/Finance/ReportHistoryResponse.php  |  8 ++++----
 .../Finance/StatementBalanceResponse.php      |  8 ++++----
 lib/Models/Finance/StatementLineResponse.php  |  8 ++++----
 lib/Models/Finance/StatementLinesResponse.php |  8 ++++----
 lib/Models/Finance/StatementResponse.php      |  8 ++++----
 lib/Models/Finance/TotalDetail.php            |  8 ++++----
 lib/Models/Finance/TotalOther.php             |  8 ++++----
 lib/Models/Finance/TrialBalanceAccount.php    |  8 ++++----
 lib/Models/Finance/TrialBalanceEntry.php      |  8 ++++----
 lib/Models/Finance/TrialBalanceMovement.php   |  8 ++++----
 lib/Models/Finance/TrialBalanceResponse.php   |  8 ++++----
 lib/Models/Finance/UserActivitiesResponse.php |  8 ++++----
 lib/Models/Finance/UserResponse.php           |  8 ++++----
 lib/Models/Identity/AccessToken.php           |  8 ++++----
 lib/Models/Identity/Connection.php            |  8 ++++----
 lib/Models/Identity/RefreshToken.php          |  8 ++++----
 lib/Models/PayrollAu/APIException.php         |  8 ++++----
 lib/Models/PayrollAu/Account.php              |  8 ++++----
 lib/Models/PayrollAu/BankAccount.php          |  8 ++++----
 lib/Models/PayrollAu/DeductionLine.php        |  8 ++++----
 lib/Models/PayrollAu/DeductionType.php        |  8 ++++----
 lib/Models/PayrollAu/EarningsLine.php         |  8 ++++----
 lib/Models/PayrollAu/EarningsRate.php         |  8 ++++----
 lib/Models/PayrollAu/Employee.php             |  8 ++++----
 lib/Models/PayrollAu/Employees.php            |  8 ++++----
 lib/Models/PayrollAu/HomeAddress.php          |  8 ++++----
 lib/Models/PayrollAu/LeaveAccrualLine.php     |  8 ++++----
 lib/Models/PayrollAu/LeaveApplication.php     |  8 ++++----
 lib/Models/PayrollAu/LeaveApplications.php    |  8 ++++----
 lib/Models/PayrollAu/LeaveBalance.php         |  8 ++++----
 lib/Models/PayrollAu/LeaveEarningsLine.php    |  8 ++++----
 lib/Models/PayrollAu/LeaveLine.php            |  8 ++++----
 lib/Models/PayrollAu/LeaveLines.php           |  8 ++++----
 lib/Models/PayrollAu/LeavePeriod.php          |  8 ++++----
 lib/Models/PayrollAu/LeaveType.php            |  8 ++++----
 lib/Models/PayrollAu/OpeningBalances.php      |  8 ++++----
 lib/Models/PayrollAu/PayItem.php              |  8 ++++----
 lib/Models/PayrollAu/PayItems.php             |  8 ++++----
 lib/Models/PayrollAu/PayRun.php               |  8 ++++----
 lib/Models/PayrollAu/PayRuns.php              |  8 ++++----
 lib/Models/PayrollAu/PayTemplate.php          |  8 ++++----
 lib/Models/PayrollAu/PayrollCalendar.php      |  8 ++++----
 lib/Models/PayrollAu/PayrollCalendars.php     |  8 ++++----
 lib/Models/PayrollAu/Payslip.php              |  8 ++++----
 lib/Models/PayrollAu/PayslipLines.php         |  8 ++++----
 lib/Models/PayrollAu/PayslipObject.php        |  8 ++++----
 lib/Models/PayrollAu/PayslipSummary.php       |  8 ++++----
 lib/Models/PayrollAu/Payslips.php             |  8 ++++----
 lib/Models/PayrollAu/ReimbursementLine.php    |  8 ++++----
 lib/Models/PayrollAu/ReimbursementLines.php   |  8 ++++----
 lib/Models/PayrollAu/ReimbursementType.php    |  8 ++++----
 lib/Models/PayrollAu/Settings.php             |  8 ++++----
 lib/Models/PayrollAu/SettingsObject.php       |  8 ++++----
 .../PayrollAu/SettingsTrackingCategories.php  |  8 ++++----
 ...ttingsTrackingCategoriesEmployeeGroups.php |  8 ++++----
 ...sTrackingCategoriesTimesheetCategories.php |  8 ++++----
 lib/Models/PayrollAu/SuperFund.php            |  8 ++++----
 lib/Models/PayrollAu/SuperFundProduct.php     |  8 ++++----
 lib/Models/PayrollAu/SuperFundProducts.php    |  8 ++++----
 lib/Models/PayrollAu/SuperFunds.php           |  8 ++++----
 lib/Models/PayrollAu/SuperLine.php            |  8 ++++----
 lib/Models/PayrollAu/SuperMembership.php      |  8 ++++----
 lib/Models/PayrollAu/SuperannuationLine.php   |  8 ++++----
 lib/Models/PayrollAu/TaxDeclaration.php       |  8 ++++----
 lib/Models/PayrollAu/TaxLine.php              |  8 ++++----
 lib/Models/PayrollAu/Timesheet.php            |  8 ++++----
 lib/Models/PayrollAu/TimesheetLine.php        |  8 ++++----
 lib/Models/PayrollAu/TimesheetObject.php      |  8 ++++----
 lib/Models/PayrollAu/Timesheets.php           |  8 ++++----
 lib/Models/PayrollAu/ValidationError.php      |  8 ++++----
 lib/Models/PayrollNz/Account.php              |  8 ++++----
 lib/Models/PayrollNz/Accounts.php             |  8 ++++----
 lib/Models/PayrollNz/Address.php              |  8 ++++----
 lib/Models/PayrollNz/BankAccount.php          |  8 ++++----
 lib/Models/PayrollNz/Benefit.php              |  8 ++++----
 lib/Models/PayrollNz/Deduction.php            |  8 ++++----
 lib/Models/PayrollNz/DeductionLine.php        |  8 ++++----
 lib/Models/PayrollNz/DeductionObject.php      |  8 ++++----
 lib/Models/PayrollNz/Deductions.php           |  8 ++++----
 lib/Models/PayrollNz/EarningsLine.php         |  8 ++++----
 lib/Models/PayrollNz/EarningsOrder.php        |  8 ++++----
 lib/Models/PayrollNz/EarningsOrderObject.php  |  8 ++++----
 lib/Models/PayrollNz/EarningsOrders.php       |  8 ++++----
 lib/Models/PayrollNz/EarningsRate.php         |  8 ++++----
 lib/Models/PayrollNz/EarningsRateObject.php   |  8 ++++----
 lib/Models/PayrollNz/EarningsRates.php        |  8 ++++----
 lib/Models/PayrollNz/EarningsTemplate.php     |  8 ++++----
 .../PayrollNz/EarningsTemplateObject.php      |  8 ++++----
 lib/Models/PayrollNz/Employee.php             |  8 ++++----
 .../PayrollNz/EmployeeEarningsTemplates.php   |  8 ++++----
 lib/Models/PayrollNz/EmployeeLeave.php        |  8 ++++----
 lib/Models/PayrollNz/EmployeeLeaveBalance.php |  8 ++++----
 .../PayrollNz/EmployeeLeaveBalances.php       |  8 ++++----
 lib/Models/PayrollNz/EmployeeLeaveObject.php  |  8 ++++----
 lib/Models/PayrollNz/EmployeeLeaveSetup.php   |  8 ++++----
 .../PayrollNz/EmployeeLeaveSetupObject.php    |  8 ++++----
 lib/Models/PayrollNz/EmployeeLeaveType.php    |  8 ++++----
 .../PayrollNz/EmployeeLeaveTypeObject.php     |  8 ++++----
 lib/Models/PayrollNz/EmployeeLeaveTypes.php   |  8 ++++----
 lib/Models/PayrollNz/EmployeeLeaves.php       |  8 ++++----
 lib/Models/PayrollNz/EmployeeObject.php       |  8 ++++----
 .../PayrollNz/EmployeeOpeningBalance.php      |  8 ++++----
 .../EmployeeOpeningBalancesObject.php         |  8 ++++----
 lib/Models/PayrollNz/EmployeePayTemplate.php  |  8 ++++----
 .../PayrollNz/EmployeePayTemplateObject.php   |  8 ++++----
 lib/Models/PayrollNz/EmployeePayTemplates.php |  8 ++++----
 .../EmployeeStatutoryLeaveBalance.php         |  8 ++++----
 .../EmployeeStatutoryLeaveBalanceObject.php   |  8 ++++----
 .../EmployeeStatutoryLeaveSummary.php         |  8 ++++----
 .../EmployeeStatutoryLeavesSummaries.php      |  8 ++++----
 .../PayrollNz/EmployeeStatutorySickLeave.php  |  8 ++++----
 .../EmployeeStatutorySickLeaveObject.php      |  8 ++++----
 .../PayrollNz/EmployeeStatutorySickLeaves.php |  8 ++++----
 lib/Models/PayrollNz/EmployeeTax.php          |  8 ++++----
 lib/Models/PayrollNz/EmployeeTaxObject.php    |  8 ++++----
 lib/Models/PayrollNz/Employees.php            |  8 ++++----
 lib/Models/PayrollNz/Employment.php           |  8 ++++----
 lib/Models/PayrollNz/EmploymentObject.php     |  8 ++++----
 lib/Models/PayrollNz/GrossEarningsHistory.php |  8 ++++----
 lib/Models/PayrollNz/InvalidField.php         |  8 ++++----
 lib/Models/PayrollNz/LeaveAccrualLine.php     |  8 ++++----
 lib/Models/PayrollNz/LeaveEarningsLine.php    |  8 ++++----
 lib/Models/PayrollNz/LeavePeriod.php          |  8 ++++----
 lib/Models/PayrollNz/LeavePeriods.php         |  8 ++++----
 lib/Models/PayrollNz/LeaveType.php            |  8 ++++----
 lib/Models/PayrollNz/LeaveTypeObject.php      |  8 ++++----
 lib/Models/PayrollNz/LeaveTypes.php           |  8 ++++----
 lib/Models/PayrollNz/Pagination.php           |  8 ++++----
 lib/Models/PayrollNz/PayRun.php               |  8 ++++----
 lib/Models/PayrollNz/PayRunCalendar.php       |  8 ++++----
 lib/Models/PayrollNz/PayRunCalendarObject.php |  8 ++++----
 lib/Models/PayrollNz/PayRunCalendars.php      |  8 ++++----
 lib/Models/PayrollNz/PayRunObject.php         |  8 ++++----
 lib/Models/PayrollNz/PayRuns.php              |  8 ++++----
 lib/Models/PayrollNz/PaySlip.php              |  8 ++++----
 lib/Models/PayrollNz/PaySlipObject.php        |  8 ++++----
 lib/Models/PayrollNz/PaySlips.php             |  8 ++++----
 lib/Models/PayrollNz/PaymentLine.php          |  8 ++++----
 lib/Models/PayrollNz/PaymentMethod.php        |  8 ++++----
 lib/Models/PayrollNz/PaymentMethodObject.php  |  8 ++++----
 lib/Models/PayrollNz/Problem.php              |  8 ++++----
 lib/Models/PayrollNz/Reimbursement.php        |  8 ++++----
 lib/Models/PayrollNz/ReimbursementLine.php    |  8 ++++----
 lib/Models/PayrollNz/ReimbursementObject.php  |  8 ++++----
 lib/Models/PayrollNz/Reimbursements.php       |  8 ++++----
 lib/Models/PayrollNz/SalaryAndWage.php        |  8 ++++----
 lib/Models/PayrollNz/SalaryAndWageObject.php  |  8 ++++----
 lib/Models/PayrollNz/SalaryAndWages.php       |  8 ++++----
 lib/Models/PayrollNz/Settings.php             |  8 ++++----
 lib/Models/PayrollNz/StatutoryDeduction.php   |  8 ++++----
 .../PayrollNz/StatutoryDeductionLine.php      |  8 ++++----
 .../PayrollNz/StatutoryDeductionObject.php    |  8 ++++----
 lib/Models/PayrollNz/StatutoryDeductions.php  |  8 ++++----
 lib/Models/PayrollNz/SuperannuationLine.php   |  8 ++++----
 lib/Models/PayrollNz/SuperannuationObject.php |  8 ++++----
 lib/Models/PayrollNz/Superannuations.php      |  8 ++++----
 lib/Models/PayrollNz/TaxLine.php              |  8 ++++----
 lib/Models/PayrollNz/TaxSettings.php          |  8 ++++----
 lib/Models/PayrollNz/Timesheet.php            |  8 ++++----
 .../PayrollNz/TimesheetEarningsLine.php       |  8 ++++----
 lib/Models/PayrollNz/TimesheetLine.php        |  8 ++++----
 lib/Models/PayrollNz/TimesheetLineObject.php  |  8 ++++----
 lib/Models/PayrollNz/TimesheetObject.php      |  8 ++++----
 lib/Models/PayrollNz/Timesheets.php           |  8 ++++----
 lib/Models/PayrollNz/TrackingCategories.php   |  8 ++++----
 lib/Models/PayrollNz/TrackingCategory.php     |  8 ++++----
 lib/Models/PayrollUk/Account.php              |  8 ++++----
 lib/Models/PayrollUk/Accounts.php             |  8 ++++----
 lib/Models/PayrollUk/Address.php              |  8 ++++----
 lib/Models/PayrollUk/BankAccount.php          |  8 ++++----
 lib/Models/PayrollUk/Benefit.php              |  8 ++++----
 lib/Models/PayrollUk/BenefitLine.php          |  8 ++++----
 lib/Models/PayrollUk/BenefitObject.php        |  8 ++++----
 lib/Models/PayrollUk/Benefits.php             |  8 ++++----
 lib/Models/PayrollUk/CourtOrderLine.php       |  8 ++++----
 lib/Models/PayrollUk/Deduction.php            |  8 ++++----
 lib/Models/PayrollUk/DeductionLine.php        |  8 ++++----
 lib/Models/PayrollUk/DeductionObject.php      |  8 ++++----
 lib/Models/PayrollUk/Deductions.php           |  8 ++++----
 lib/Models/PayrollUk/EarningsLine.php         |  8 ++++----
 lib/Models/PayrollUk/EarningsOrder.php        |  8 ++++----
 lib/Models/PayrollUk/EarningsOrderObject.php  |  8 ++++----
 lib/Models/PayrollUk/EarningsOrders.php       |  8 ++++----
 lib/Models/PayrollUk/EarningsRate.php         |  8 ++++----
 lib/Models/PayrollUk/EarningsRateObject.php   |  8 ++++----
 lib/Models/PayrollUk/EarningsRates.php        |  8 ++++----
 lib/Models/PayrollUk/EarningsTemplate.php     |  8 ++++----
 .../PayrollUk/EarningsTemplateObject.php      |  8 ++++----
 lib/Models/PayrollUk/Employee.php             |  8 ++++----
 lib/Models/PayrollUk/EmployeeLeave.php        |  8 ++++----
 lib/Models/PayrollUk/EmployeeLeaveBalance.php |  8 ++++----
 .../PayrollUk/EmployeeLeaveBalances.php       |  8 ++++----
 lib/Models/PayrollUk/EmployeeLeaveObject.php  |  8 ++++----
 lib/Models/PayrollUk/EmployeeLeaveType.php    |  8 ++++----
 .../PayrollUk/EmployeeLeaveTypeObject.php     |  8 ++++----
 lib/Models/PayrollUk/EmployeeLeaveTypes.php   |  8 ++++----
 lib/Models/PayrollUk/EmployeeLeaves.php       |  8 ++++----
 lib/Models/PayrollUk/EmployeeObject.php       |  8 ++++----
 .../PayrollUk/EmployeeOpeningBalances.php     |  8 ++++----
 .../EmployeeOpeningBalancesObject.php         |  8 ++++----
 lib/Models/PayrollUk/EmployeePayTemplate.php  |  8 ++++----
 .../PayrollUk/EmployeePayTemplateObject.php   |  8 ++++----
 lib/Models/PayrollUk/EmployeePayTemplates.php |  8 ++++----
 .../EmployeeStatutoryLeaveBalance.php         |  8 ++++----
 .../EmployeeStatutoryLeaveBalanceObject.php   |  8 ++++----
 .../EmployeeStatutoryLeaveSummary.php         |  8 ++++----
 .../EmployeeStatutoryLeavesSummaries.php      |  8 ++++----
 .../PayrollUk/EmployeeStatutorySickLeave.php  |  8 ++++----
 .../EmployeeStatutorySickLeaveObject.php      |  8 ++++----
 .../PayrollUk/EmployeeStatutorySickLeaves.php |  8 ++++----
 lib/Models/PayrollUk/EmployeeTax.php          |  8 ++++----
 lib/Models/PayrollUk/EmployeeTaxObject.php    |  8 ++++----
 lib/Models/PayrollUk/Employees.php            |  8 ++++----
 lib/Models/PayrollUk/Employment.php           |  8 ++++----
 lib/Models/PayrollUk/EmploymentObject.php     |  8 ++++----
 lib/Models/PayrollUk/InvalidField.php         |  8 ++++----
 lib/Models/PayrollUk/LeaveAccrualLine.php     |  8 ++++----
 lib/Models/PayrollUk/LeaveEarningsLine.php    |  8 ++++----
 lib/Models/PayrollUk/LeavePeriod.php          |  8 ++++----
 lib/Models/PayrollUk/LeavePeriods.php         |  8 ++++----
 lib/Models/PayrollUk/LeaveType.php            |  8 ++++----
 lib/Models/PayrollUk/LeaveTypeObject.php      |  8 ++++----
 lib/Models/PayrollUk/LeaveTypes.php           |  8 ++++----
 lib/Models/PayrollUk/Pagination.php           |  8 ++++----
 lib/Models/PayrollUk/PayRun.php               |  8 ++++----
 lib/Models/PayrollUk/PayRunCalendar.php       |  8 ++++----
 lib/Models/PayrollUk/PayRunCalendarObject.php |  8 ++++----
 lib/Models/PayrollUk/PayRunCalendars.php      |  8 ++++----
 lib/Models/PayrollUk/PayRunObject.php         |  8 ++++----
 lib/Models/PayrollUk/PayRuns.php              |  8 ++++----
 lib/Models/PayrollUk/PaymentLine.php          |  8 ++++----
 lib/Models/PayrollUk/PaymentMethod.php        |  8 ++++----
 lib/Models/PayrollUk/PaymentMethodObject.php  |  8 ++++----
 lib/Models/PayrollUk/Payslip.php              |  8 ++++----
 lib/Models/PayrollUk/PayslipObject.php        |  8 ++++----
 lib/Models/PayrollUk/Payslips.php             |  8 ++++----
 lib/Models/PayrollUk/Problem.php              |  8 ++++----
 lib/Models/PayrollUk/Reimbursement.php        |  8 ++++----
 lib/Models/PayrollUk/ReimbursementLine.php    |  8 ++++----
 lib/Models/PayrollUk/ReimbursementObject.php  |  8 ++++----
 lib/Models/PayrollUk/Reimbursements.php       |  8 ++++----
 lib/Models/PayrollUk/SalaryAndWage.php        |  8 ++++----
 lib/Models/PayrollUk/SalaryAndWageObject.php  |  8 ++++----
 lib/Models/PayrollUk/SalaryAndWages.php       |  8 ++++----
 lib/Models/PayrollUk/Settings.php             |  8 ++++----
 lib/Models/PayrollUk/StatutoryDeduction.php   |  8 ++++----
 lib/Models/PayrollUk/TaxLine.php              |  8 ++++----
 lib/Models/PayrollUk/Timesheet.php            |  8 ++++----
 .../PayrollUk/TimesheetEarningsLine.php       |  8 ++++----
 lib/Models/PayrollUk/TimesheetLine.php        |  8 ++++----
 lib/Models/PayrollUk/TimesheetLineObject.php  |  8 ++++----
 lib/Models/PayrollUk/TimesheetObject.php      |  8 ++++----
 lib/Models/PayrollUk/Timesheets.php           |  8 ++++----
 lib/Models/PayrollUk/TrackingCategories.php   |  8 ++++----
 lib/Models/PayrollUk/TrackingCategory.php     |  8 ++++----
 lib/Models/Project/Amount.php                 |  8 ++++----
 lib/Models/Project/Error.php                  |  8 ++++----
 lib/Models/Project/Pagination.php             |  8 ++++----
 lib/Models/Project/Project.php                |  8 ++++----
 lib/Models/Project/ProjectCreateOrUpdate.php  |  8 ++++----
 lib/Models/Project/ProjectPatch.php           |  8 ++++----
 lib/Models/Project/ProjectUser.php            |  8 ++++----
 lib/Models/Project/ProjectUsers.php           |  8 ++++----
 lib/Models/Project/Projects.php               |  8 ++++----
 lib/Models/Project/Task.php                   |  8 ++++----
 lib/Models/Project/TaskCreateOrUpdate.php     |  8 ++++----
 lib/Models/Project/Tasks.php                  |  8 ++++----
 lib/Models/Project/TimeEntries.php            |  8 ++++----
 lib/Models/Project/TimeEntry.php              |  8 ++++----
 .../Project/TimeEntryCreateOrUpdate.php       |  8 ++++----
 466 files changed, 1849 insertions(+), 1825 deletions(-)

diff --git a/docs/v2/accounting/index.html b/docs/v2/accounting/index.html
index 63bccf31..b608d98d 100644
--- a/docs/v2/accounting/index.html
+++ b/docs/v2/accounting/index.html
@@ -5560,7 +5560,7 @@
     "ReportTaxType" : {
       "type" : "string",
       "description" : "See ReportTaxTypes",
-      "enum" : [ "AVALARA", "BASEXCLUDED", "CAPITALSALESOUTPUT", "CAPITALEXPENSESINPUT", "ECOUTPUT", "ECOUTPUTSERVICES", "ECINPUT", "ECACQUISITIONS", "EXEMPTEXPENSES", "EXEMPTINPUT", "EXEMPTOUTPUT", "GSTONIMPORTS", "INPUT", "INPUTTAXED", "MOSSSALES", "NONE", "NONEOUTPUT", "OUTPUT", "PURCHASESINPUT", "SALESOUTPUT", "EXEMPTCAPITAL", "EXEMPTEXPORT", "CAPITALEXINPUT", "GSTONCAPIMPORTS", "GSTONCAPITALIMPORTS", "REVERSECHARGES", "PAYMENTS", "INVOICE", "CASH", "ACCRUAL", "FLATRATECASH", "FLATRATEACCRUAL", "ACCRUALS", "TXCA", "SRCAS", "DSOUTPUT", "BLINPUT2", "EPINPUT", "IMINPUT2", "MEINPUT", "IGDSINPUT2", "ESN33OUTPUT", "OPINPUT", "OSOUTPUT", "TXN33INPUT", "TXESSINPUT", "TXREINPUT", "TXPETINPUT", "NRINPUT", "ES33OUTPUT", "ZERORATEDINPUT", "ZERORATEDOUTPUT", "DRCHARGESUPPLY", "DRCHARGE", "CAPINPUT", "CAPIMPORTS", "IMINPUT", "INPUT2", "CIUINPUT", "SRINPUT", "OUTPUT2", "SROUTPUT", "CAPOUTPUT", "SROUTPUT2", "CIUOUTPUT", "ZROUTPUT", "ZREXPORT", "ACC28PLUS", "ACCUPTO28", "OTHEROUTPUT", "SHOUTPUT", "ZRINPUT", "BADDEBT", "OTHERINPUT", "BADDEBTRELIEF" ]
+      "enum" : [ "AVALARA", "BASEXCLUDED", "CAPITALSALESOUTPUT", "CAPITALEXPENSESINPUT", "ECOUTPUT", "ECOUTPUTSERVICES", "ECINPUT", "ECACQUISITIONS", "EXEMPTEXPENSES", "EXEMPTINPUT", "EXEMPTOUTPUT", "GSTONIMPORTS", "INPUT", "INPUTTAXED", "MOSSSALES", "NONE", "NONEOUTPUT", "OUTPUT", "PURCHASESINPUT", "SALESOUTPUT", "EXEMPTCAPITAL", "EXEMPTEXPORT", "CAPITALEXINPUT", "GSTONCAPIMPORTS", "GSTONCAPITALIMPORTS", "REVERSECHARGES", "PAYMENTS", "INVOICE", "CASH", "ACCRUAL", "FLATRATECASH", "FLATRATEACCRUAL", "ACCRUALS", "TXCA", "SRCAS", "DSOUTPUT", "BLINPUT2", "EPINPUT", "IMINPUT2", "MEINPUT", "IGDSINPUT2", "ESN33OUTPUT", "OPINPUT", "OSOUTPUT", "TXN33INPUT", "TXESSINPUT", "TXREINPUT", "TXPETINPUT", "NRINPUT", "ES33OUTPUT", "ZERORATEDINPUT", "ZERORATEDOUTPUT", "DRCHARGESUPPLY", "DRCHARGE", "CAPINPUT", "CAPIMPORTS", "IMINPUT", "INPUT2", "CIUINPUT", "SRINPUT", "OUTPUT2", "SROUTPUT", "CAPOUTPUT", "SROUTPUT2", "CIUOUTPUT", "ZROUTPUT", "ZREXPORT", "ACC28PLUS", "ACCUPTO28", "OTHEROUTPUT", "SHOUTPUT", "ZRINPUT", "BADDEBT", "OTHERINPUT", "BADDEBTRELIEF", "IGDSINPUT3", "SROVR", "TOURISTREFUND", "TXRCN33INPUT", "TXRCREINPUT", "TXRCESSINPUT" ]
     },
     "CanApplyToAssets" : {
       "type" : "boolean",
@@ -5625,7 +5625,7 @@
   "title" : "",
   "type" : "string",
   "description" : "See Tax Types – can only be used on update calls",
-  "enum" : [ "OUTPUT", "INPUT", "CAPEXINPUT", "EXEMPTEXPORT", "EXEMPTEXPENSES", "EXEMPTCAPITAL", "EXEMPTOUTPUT", "INPUTTAXED", "BASEXCLUDED", "GSTONCAPIMPORTS", "GSTONIMPORTS", "NONE", "INPUT2", "ZERORATED", "OUTPUT2", "CAPEXINPUT2", "CAPEXOUTPUT", "CAPEXOUTPUT2", "CAPEXSRINPUT", "CAPEXSROUTPUT", "ECACQUISITIONS", "ECZRINPUT", "ECZROUTPUT", "ECZROUTPUTSERVICES", "EXEMPTINPUT", "REVERSECHARGES", "RRINPUT", "RROUTPUT", "SRINPUT", "SROUTPUT", "ZERORATEDINPUT", "ZERORATEDOUTPUT", "BLINPUT", "DSOUTPUT", "EPINPUT", "ES33OUTPUT", "ESN33OUTPUT", "IGDSINPUT2", "IMINPUT2", "MEINPUT", "NRINPUT", "OPINPUT", "OSOUTPUT", "TXESSINPUT", "TXN33INPUT", "TXPETINPUT", "TXREINPUT", "INPUT3", "INPUT4", "OUTPUT3", "OUTPUT4", "SROUTPUT2", "TXCA", "SRCAS", "BLINPUT2", "DRCHARGESUPPLY20", "DRCHARGE20", "DRCHARGESUPPLY5", "DRCHARGE5", "BADDEBTRELIEF" ]
+  "enum" : [ "OUTPUT", "INPUT", "CAPEXINPUT", "EXEMPTEXPORT", "EXEMPTEXPENSES", "EXEMPTCAPITAL", "EXEMPTOUTPUT", "INPUTTAXED", "BASEXCLUDED", "GSTONCAPIMPORTS", "GSTONIMPORTS", "NONE", "INPUT2", "ZERORATED", "OUTPUT2", "CAPEXINPUT2", "CAPEXOUTPUT", "CAPEXOUTPUT2", "CAPEXSRINPUT", "CAPEXSROUTPUT", "ECACQUISITIONS", "ECZRINPUT", "ECZROUTPUT", "ECZROUTPUTSERVICES", "EXEMPTINPUT", "REVERSECHARGES", "RRINPUT", "RROUTPUT", "SRINPUT", "SROUTPUT", "ZERORATEDINPUT", "ZERORATEDOUTPUT", "BLINPUT", "DSOUTPUT", "EPINPUT", "ES33OUTPUT", "ESN33OUTPUT", "IGDSINPUT2", "IMINPUT2", "MEINPUT", "NRINPUT", "OPINPUT", "OSOUTPUT", "TXESSINPUT", "TXN33INPUT", "TXPETINPUT", "TXREINPUT", "INPUT3", "INPUT4", "OUTPUT3", "OUTPUT4", "SROUTPUT2", "TXCA", "SRCAS", "BLINPUT2", "DRCHARGESUPPLY20", "DRCHARGE20", "DRCHARGESUPPLY5", "DRCHARGE5", "BADDEBTRELIEF", "IGDSINPUT3", "SROVR", "TOURISTREFUND", "TXRCN33INPUT", "TXRCREINPUT", "TXRCESSINPUT" ]
 };
       defs["TenNinetyNineContact"] = {
   "title" : "",
diff --git a/lib/Api/AccountingApi.php b/lib/Api/AccountingApi.php
index 179b1f7b..84cf453a 100644
--- a/lib/Api/AccountingApi.php
+++ b/lib/Api/AccountingApi.php
@@ -14,7 +14,7 @@
  *
  * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
  *
- * OpenAPI spec version: 2.22.2
+ * OpenAPI spec version: 2.22.4
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Api/AppStoreApi.php b/lib/Api/AppStoreApi.php
index 244021dd..b055f3fb 100644
--- a/lib/Api/AppStoreApi.php
+++ b/lib/Api/AppStoreApi.php
@@ -14,7 +14,7 @@
  *
  * These endpoints are for Xero Partners to interact with the App Store Billing platform
  *
- * OpenAPI spec version: 2.22.2
+ * OpenAPI spec version: 2.22.4
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Api/AssetApi.php b/lib/Api/AssetApi.php
index c3c115d6..70806491 100644
--- a/lib/Api/AssetApi.php
+++ b/lib/Api/AssetApi.php
@@ -14,7 +14,7 @@
  *
  * The Assets API exposes fixed asset related functions of the Xero Accounting application and can be used for a variety of purposes such as creating assets, retrieving asset valuations etc.
  *
- * OpenAPI spec version: 2.22.2
+ * OpenAPI spec version: 2.22.4
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Api/FilesApi.php b/lib/Api/FilesApi.php
index 29fa4ab6..0cf97daa 100644
--- a/lib/Api/FilesApi.php
+++ b/lib/Api/FilesApi.php
@@ -14,7 +14,7 @@
  *
  * These endpoints are specific to Xero Files API
  *
- * OpenAPI spec version: 2.22.2
+ * OpenAPI spec version: 2.22.4
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Api/FinanceApi.php b/lib/Api/FinanceApi.php
index 7f75784b..64f14dd2 100644
--- a/lib/Api/FinanceApi.php
+++ b/lib/Api/FinanceApi.php
@@ -14,7 +14,7 @@
  *
  * The Finance API is a collection of endpoints which customers can use in the course of a loan application, which may assist lenders to gain the confidence they need to provide capital.
  *
- * OpenAPI spec version: 2.22.2
+ * OpenAPI spec version: 2.22.4
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Api/IdentityApi.php b/lib/Api/IdentityApi.php
index 69e04372..c81490e4 100644
--- a/lib/Api/IdentityApi.php
+++ b/lib/Api/IdentityApi.php
@@ -14,7 +14,7 @@
  *
  * These endpoints are related to managing authentication tokens and identity for Xero API
  *
- * OpenAPI spec version: 2.22.2
+ * OpenAPI spec version: 2.22.4
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Api/PayrollAuApi.php b/lib/Api/PayrollAuApi.php
index 1cb4bfd7..2fdec860 100644
--- a/lib/Api/PayrollAuApi.php
+++ b/lib/Api/PayrollAuApi.php
@@ -14,7 +14,7 @@
  *
  * This is the Xero Payroll API for orgs in Australia region.
  *
- * OpenAPI spec version: 2.22.2
+ * OpenAPI spec version: 2.22.4
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Api/PayrollNzApi.php b/lib/Api/PayrollNzApi.php
index f2fb3234..c01902fa 100644
--- a/lib/Api/PayrollNzApi.php
+++ b/lib/Api/PayrollNzApi.php
@@ -14,7 +14,7 @@
  *
  * This is the Xero Payroll API for orgs in the NZ region.
  *
- * OpenAPI spec version: 2.22.2
+ * OpenAPI spec version: 2.22.4
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Api/PayrollUkApi.php b/lib/Api/PayrollUkApi.php
index 485189de..7c67cdc0 100644
--- a/lib/Api/PayrollUkApi.php
+++ b/lib/Api/PayrollUkApi.php
@@ -14,7 +14,7 @@
  *
  * This is the Xero Payroll API for orgs in the UK region.
  *
- * OpenAPI spec version: 2.22.2
+ * OpenAPI spec version: 2.22.4
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Api/ProjectApi.php b/lib/Api/ProjectApi.php
index 6e03d1dc..81ba6846 100644
--- a/lib/Api/ProjectApi.php
+++ b/lib/Api/ProjectApi.php
@@ -14,7 +14,7 @@
  *
  * This is the Xero Projects API
  *
- * OpenAPI spec version: 2.22.2
+ * OpenAPI spec version: 2.22.4
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Configuration.php b/lib/Configuration.php
index 6876cd75..b736042d 100644
--- a/lib/Configuration.php
+++ b/lib/Configuration.php
@@ -696,7 +696,7 @@ public static function toDebugReport()
         $report  = 'PHP SDK (XeroAPI\XeroPHP) Debug Report:' . PHP_EOL;
         $report .= '    OS: ' . php_uname() . PHP_EOL;
         $report .= '    PHP Version: ' . PHP_VERSION . PHP_EOL;
-        $report .= '    OpenAPI Spec Version: 2.22.2' . PHP_EOL;
+        $report .= '    OpenAPI Spec Version: 2.22.4' . PHP_EOL;
         $report .= '    SDK Package Version: 2.13.0' . PHP_EOL;
         $report .= '    Temp Folder Path: ' . self::getDefaultConfiguration()->getTempFolderPath() . PHP_EOL;
 
diff --git a/lib/Models/Accounting/Account.php b/lib/Models/Accounting/Account.php
index 0c76b986..884c6fd9 100644
--- a/lib/Models/Accounting/Account.php
+++ b/lib/Models/Accounting/Account.php
@@ -1056,7 +1056,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1069,7 +1069,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1083,7 +1083,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1100,7 +1100,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Accounts.php b/lib/Models/Accounting/Accounts.php
index 28e2da51..8ea09109 100644
--- a/lib/Models/Accounting/Accounts.php
+++ b/lib/Models/Accounting/Accounts.php
@@ -238,7 +238,7 @@ public function setAccounts($accounts)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['accounts'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['accounts'][$offset]) ? $this->container['accounts'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['accounts'][$offset]);
diff --git a/lib/Models/Accounting/AccountsPayable.php b/lib/Models/Accounting/AccountsPayable.php
index a8682fb5..f7d98797 100644
--- a/lib/Models/Accounting/AccountsPayable.php
+++ b/lib/Models/Accounting/AccountsPayable.php
@@ -271,7 +271,7 @@ public function setOverdue($overdue)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/AccountsReceivable.php b/lib/Models/Accounting/AccountsReceivable.php
index b20e0407..f82711c6 100644
--- a/lib/Models/Accounting/AccountsReceivable.php
+++ b/lib/Models/Accounting/AccountsReceivable.php
@@ -271,7 +271,7 @@ public function setOverdue($overdue)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Action.php b/lib/Models/Accounting/Action.php
index 8ca43fdf..69c9355e 100644
--- a/lib/Models/Accounting/Action.php
+++ b/lib/Models/Accounting/Action.php
@@ -303,7 +303,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -316,7 +316,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -330,7 +330,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -347,7 +347,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Actions.php b/lib/Models/Accounting/Actions.php
index 4c95dd70..e0bfe963 100644
--- a/lib/Models/Accounting/Actions.php
+++ b/lib/Models/Accounting/Actions.php
@@ -238,7 +238,7 @@ public function setActions($actions)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['actions'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['actions'][$offset]) ? $this->container['actions'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['actions'][$offset]);
diff --git a/lib/Models/Accounting/Address.php b/lib/Models/Accounting/Address.php
index ff849852..b76c475f 100644
--- a/lib/Models/Accounting/Address.php
+++ b/lib/Models/Accounting/Address.php
@@ -639,7 +639,7 @@ public function setAttentionTo($attention_to)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -652,7 +652,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -666,7 +666,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -683,7 +683,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/AddressForOrganisation.php b/lib/Models/Accounting/AddressForOrganisation.php
index af0003c3..0c65d43d 100644
--- a/lib/Models/Accounting/AddressForOrganisation.php
+++ b/lib/Models/Accounting/AddressForOrganisation.php
@@ -641,7 +641,7 @@ public function setAttentionTo($attention_to)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -654,7 +654,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -668,7 +668,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -685,7 +685,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Allocation.php b/lib/Models/Accounting/Allocation.php
index cc96b256..1ed60ba9 100644
--- a/lib/Models/Accounting/Allocation.php
+++ b/lib/Models/Accounting/Allocation.php
@@ -504,7 +504,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -517,7 +517,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -531,7 +531,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -548,7 +548,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Allocations.php b/lib/Models/Accounting/Allocations.php
index 75c4623c..f91b46fa 100644
--- a/lib/Models/Accounting/Allocations.php
+++ b/lib/Models/Accounting/Allocations.php
@@ -238,7 +238,7 @@ public function setAllocations($allocations)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['allocations'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['allocations'][$offset]) ? $this->container['allocations'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['allocations'][$offset]);
diff --git a/lib/Models/Accounting/Attachment.php b/lib/Models/Accounting/Attachment.php
index 304a85dc..ecdce976 100644
--- a/lib/Models/Accounting/Attachment.php
+++ b/lib/Models/Accounting/Attachment.php
@@ -403,7 +403,7 @@ public function setIncludeOnline($include_online)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Attachments.php b/lib/Models/Accounting/Attachments.php
index 6923fa4d..08383623 100644
--- a/lib/Models/Accounting/Attachments.php
+++ b/lib/Models/Accounting/Attachments.php
@@ -238,7 +238,7 @@ public function setAttachments($attachments)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['attachments'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['attachments'][$offset]) ? $this->container['attachments'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['attachments'][$offset]);
diff --git a/lib/Models/Accounting/BalanceDetails.php b/lib/Models/Accounting/BalanceDetails.php
index 42003949..214a0764 100644
--- a/lib/Models/Accounting/BalanceDetails.php
+++ b/lib/Models/Accounting/BalanceDetails.php
@@ -305,7 +305,7 @@ public function setCurrencyRate($currency_rate)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -318,7 +318,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -332,7 +332,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -349,7 +349,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Balances.php b/lib/Models/Accounting/Balances.php
index e73c4f82..b8f8acbe 100644
--- a/lib/Models/Accounting/Balances.php
+++ b/lib/Models/Accounting/Balances.php
@@ -272,7 +272,7 @@ public function setAccountsPayable($accounts_payable)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -285,7 +285,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -299,7 +299,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -316,7 +316,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/BankTransaction.php b/lib/Models/Accounting/BankTransaction.php
index 2c4b3c64..3915ec71 100644
--- a/lib/Models/Accounting/BankTransaction.php
+++ b/lib/Models/Accounting/BankTransaction.php
@@ -1048,7 +1048,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1061,7 +1061,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1075,7 +1075,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1092,7 +1092,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/BankTransactions.php b/lib/Models/Accounting/BankTransactions.php
index a2eeae16..32341d50 100644
--- a/lib/Models/Accounting/BankTransactions.php
+++ b/lib/Models/Accounting/BankTransactions.php
@@ -238,7 +238,7 @@ public function setBankTransactions($bank_transactions)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['bank_transactions'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['bank_transactions'][$offset]) ? $this->container['bank_transactions'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['bank_transactions'][$offset]);
diff --git a/lib/Models/Accounting/BankTransfer.php b/lib/Models/Accounting/BankTransfer.php
index 82655e1e..d8147934 100644
--- a/lib/Models/Accounting/BankTransfer.php
+++ b/lib/Models/Accounting/BankTransfer.php
@@ -704,7 +704,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -717,7 +717,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -731,7 +731,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -748,7 +748,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/BankTransfers.php b/lib/Models/Accounting/BankTransfers.php
index 067b818d..e1082a7d 100644
--- a/lib/Models/Accounting/BankTransfers.php
+++ b/lib/Models/Accounting/BankTransfers.php
@@ -238,7 +238,7 @@ public function setBankTransfers($bank_transfers)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['bank_transfers'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['bank_transfers'][$offset]) ? $this->container['bank_transfers'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['bank_transfers'][$offset]);
diff --git a/lib/Models/Accounting/BatchPayment.php b/lib/Models/Accounting/BatchPayment.php
index 8572ba33..0ff8465b 100644
--- a/lib/Models/Accounting/BatchPayment.php
+++ b/lib/Models/Accounting/BatchPayment.php
@@ -890,7 +890,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -903,7 +903,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -917,7 +917,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -934,7 +934,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/BatchPaymentDetails.php b/lib/Models/Accounting/BatchPaymentDetails.php
index 0cbfee56..5b153f93 100644
--- a/lib/Models/Accounting/BatchPaymentDetails.php
+++ b/lib/Models/Accounting/BatchPaymentDetails.php
@@ -387,7 +387,7 @@ public function setReference($reference)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -400,7 +400,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -414,7 +414,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -431,7 +431,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/BatchPayments.php b/lib/Models/Accounting/BatchPayments.php
index 330057e5..7977a419 100644
--- a/lib/Models/Accounting/BatchPayments.php
+++ b/lib/Models/Accounting/BatchPayments.php
@@ -238,7 +238,7 @@ public function setBatchPayments($batch_payments)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['batch_payments'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['batch_payments'][$offset]) ? $this->container['batch_payments'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['batch_payments'][$offset]);
diff --git a/lib/Models/Accounting/Bill.php b/lib/Models/Accounting/Bill.php
index 95bb2cf6..3c4509c0 100644
--- a/lib/Models/Accounting/Bill.php
+++ b/lib/Models/Accounting/Bill.php
@@ -271,7 +271,7 @@ public function setType($type)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/BrandingTheme.php b/lib/Models/Accounting/BrandingTheme.php
index 8ca32f38..ac3e52db 100644
--- a/lib/Models/Accounting/BrandingTheme.php
+++ b/lib/Models/Accounting/BrandingTheme.php
@@ -440,7 +440,7 @@ public function setCreatedDateUtc($created_date_utc)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -453,7 +453,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -467,7 +467,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -484,7 +484,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/BrandingThemes.php b/lib/Models/Accounting/BrandingThemes.php
index 44a1ae84..e5fce392 100644
--- a/lib/Models/Accounting/BrandingThemes.php
+++ b/lib/Models/Accounting/BrandingThemes.php
@@ -238,7 +238,7 @@ public function setBrandingThemes($branding_themes)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['branding_themes'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['branding_themes'][$offset]) ? $this->container['branding_themes'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['branding_themes'][$offset]);
diff --git a/lib/Models/Accounting/Budget.php b/lib/Models/Accounting/Budget.php
index acaa7fe1..5026ae71 100644
--- a/lib/Models/Accounting/Budget.php
+++ b/lib/Models/Accounting/Budget.php
@@ -450,7 +450,7 @@ public function setTracking($tracking)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -463,7 +463,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -477,7 +477,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -494,7 +494,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/BudgetBalance.php b/lib/Models/Accounting/BudgetBalance.php
index 9faaffc3..ff7c82eb 100644
--- a/lib/Models/Accounting/BudgetBalance.php
+++ b/lib/Models/Accounting/BudgetBalance.php
@@ -371,7 +371,7 @@ public function setNotes($notes)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -384,7 +384,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -398,7 +398,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -415,7 +415,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/BudgetLine.php b/lib/Models/Accounting/BudgetLine.php
index 96f7271c..745a0814 100644
--- a/lib/Models/Accounting/BudgetLine.php
+++ b/lib/Models/Accounting/BudgetLine.php
@@ -304,7 +304,7 @@ public function setBudgetBalances($budget_balances)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Budgets.php b/lib/Models/Accounting/Budgets.php
index 16e27bef..f194d92e 100644
--- a/lib/Models/Accounting/Budgets.php
+++ b/lib/Models/Accounting/Budgets.php
@@ -238,7 +238,7 @@ public function setBudgets($budgets)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['budgets'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['budgets'][$offset]) ? $this->container['budgets'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['budgets'][$offset]);
diff --git a/lib/Models/Accounting/CISOrgSetting.php b/lib/Models/Accounting/CISOrgSetting.php
index bd5ef630..47a798a2 100644
--- a/lib/Models/Accounting/CISOrgSetting.php
+++ b/lib/Models/Accounting/CISOrgSetting.php
@@ -303,7 +303,7 @@ public function setRate($rate)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -316,7 +316,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -330,7 +330,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -347,7 +347,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/CISOrgSettings.php b/lib/Models/Accounting/CISOrgSettings.php
index dd9f9c35..2e115fa1 100644
--- a/lib/Models/Accounting/CISOrgSettings.php
+++ b/lib/Models/Accounting/CISOrgSettings.php
@@ -238,7 +238,7 @@ public function setCisSettings($cis_settings)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['cis_settings'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['cis_settings'][$offset]) ? $this->container['cis_settings'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['cis_settings'][$offset]);
diff --git a/lib/Models/Accounting/CISSetting.php b/lib/Models/Accounting/CISSetting.php
index 2330de75..c97ac6d4 100644
--- a/lib/Models/Accounting/CISSetting.php
+++ b/lib/Models/Accounting/CISSetting.php
@@ -270,7 +270,7 @@ public function setRate($rate)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -283,7 +283,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -297,7 +297,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -314,7 +314,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/CISSettings.php b/lib/Models/Accounting/CISSettings.php
index 4edcd90a..6d6a88a3 100644
--- a/lib/Models/Accounting/CISSettings.php
+++ b/lib/Models/Accounting/CISSettings.php
@@ -238,7 +238,7 @@ public function setCisSettings($cis_settings)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['cis_settings'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['cis_settings'][$offset]) ? $this->container['cis_settings'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['cis_settings'][$offset]);
diff --git a/lib/Models/Accounting/Contact.php b/lib/Models/Accounting/Contact.php
index 064af44a..131da4a5 100644
--- a/lib/Models/Accounting/Contact.php
+++ b/lib/Models/Accounting/Contact.php
@@ -1795,7 +1795,7 @@ public function setStatusAttributeString($status_attribute_string)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1808,7 +1808,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1822,7 +1822,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1839,7 +1839,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ContactGroup.php b/lib/Models/Accounting/ContactGroup.php
index 8d074640..b5b403ef 100644
--- a/lib/Models/Accounting/ContactGroup.php
+++ b/lib/Models/Accounting/ContactGroup.php
@@ -369,7 +369,7 @@ public function setContacts($contacts)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -382,7 +382,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -396,7 +396,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -413,7 +413,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ContactGroups.php b/lib/Models/Accounting/ContactGroups.php
index b247057d..1d474a01 100644
--- a/lib/Models/Accounting/ContactGroups.php
+++ b/lib/Models/Accounting/ContactGroups.php
@@ -238,7 +238,7 @@ public function setContactGroups($contact_groups)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['contact_groups'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['contact_groups'][$offset]) ? $this->container['contact_groups'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['contact_groups'][$offset]);
diff --git a/lib/Models/Accounting/ContactPerson.php b/lib/Models/Accounting/ContactPerson.php
index b7d2c988..befc3349 100644
--- a/lib/Models/Accounting/ContactPerson.php
+++ b/lib/Models/Accounting/ContactPerson.php
@@ -337,7 +337,7 @@ public function setIncludeInEmails($include_in_emails)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Contacts.php b/lib/Models/Accounting/Contacts.php
index 122af024..eaa73083 100644
--- a/lib/Models/Accounting/Contacts.php
+++ b/lib/Models/Accounting/Contacts.php
@@ -238,7 +238,7 @@ public function setContacts($contacts)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['contacts'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['contacts'][$offset]) ? $this->container['contacts'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['contacts'][$offset]);
diff --git a/lib/Models/Accounting/ConversionBalances.php b/lib/Models/Accounting/ConversionBalances.php
index 8c7208f7..563326ce 100644
--- a/lib/Models/Accounting/ConversionBalances.php
+++ b/lib/Models/Accounting/ConversionBalances.php
@@ -305,7 +305,7 @@ public function setBalanceDetails($balance_details)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -318,7 +318,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -332,7 +332,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -349,7 +349,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ConversionDate.php b/lib/Models/Accounting/ConversionDate.php
index 1d44d843..1d79c50b 100644
--- a/lib/Models/Accounting/ConversionDate.php
+++ b/lib/Models/Accounting/ConversionDate.php
@@ -272,7 +272,7 @@ public function setYear($year)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -285,7 +285,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -299,7 +299,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -316,7 +316,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/CreditNote.php b/lib/Models/Accounting/CreditNote.php
index fb70440f..d6fa205d 100644
--- a/lib/Models/Accounting/CreditNote.php
+++ b/lib/Models/Accounting/CreditNote.php
@@ -1349,7 +1349,7 @@ public function setWarnings($warnings)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1362,7 +1362,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1376,7 +1376,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1393,7 +1393,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/CreditNotes.php b/lib/Models/Accounting/CreditNotes.php
index 5f0de03a..2aa00479 100644
--- a/lib/Models/Accounting/CreditNotes.php
+++ b/lib/Models/Accounting/CreditNotes.php
@@ -238,7 +238,7 @@ public function setCreditNotes($credit_notes)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['credit_notes'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['credit_notes'][$offset]) ? $this->container['credit_notes'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['credit_notes'][$offset]);
diff --git a/lib/Models/Accounting/Currencies.php b/lib/Models/Accounting/Currencies.php
index 9213f912..ef18a620 100644
--- a/lib/Models/Accounting/Currencies.php
+++ b/lib/Models/Accounting/Currencies.php
@@ -238,7 +238,7 @@ public function setCurrencies($currencies)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['currencies'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['currencies'][$offset]) ? $this->container['currencies'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['currencies'][$offset]);
diff --git a/lib/Models/Accounting/Currency.php b/lib/Models/Accounting/Currency.php
index 6ab79397..8a0d34e9 100644
--- a/lib/Models/Accounting/Currency.php
+++ b/lib/Models/Accounting/Currency.php
@@ -271,7 +271,7 @@ public function setDescription($description)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Element.php b/lib/Models/Accounting/Element.php
index b25b2f1e..54a414f0 100644
--- a/lib/Models/Accounting/Element.php
+++ b/lib/Models/Accounting/Element.php
@@ -469,7 +469,7 @@ public function setPurchaseOrderId($purchase_order_id)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -482,7 +482,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -496,7 +496,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -513,7 +513,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Employee.php b/lib/Models/Accounting/Employee.php
index 0b1beb34..2a2a4d3e 100644
--- a/lib/Models/Accounting/Employee.php
+++ b/lib/Models/Accounting/Employee.php
@@ -528,7 +528,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -541,7 +541,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -555,7 +555,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -572,7 +572,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Employees.php b/lib/Models/Accounting/Employees.php
index 6abedac3..fe433f8c 100644
--- a/lib/Models/Accounting/Employees.php
+++ b/lib/Models/Accounting/Employees.php
@@ -238,7 +238,7 @@ public function setEmployees($employees)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['employees'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['employees'][$offset]) ? $this->container['employees'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['employees'][$offset]);
diff --git a/lib/Models/Accounting/Error.php b/lib/Models/Accounting/Error.php
index 2c2b58d9..37efb006 100644
--- a/lib/Models/Accounting/Error.php
+++ b/lib/Models/Accounting/Error.php
@@ -337,7 +337,7 @@ public function setElements($elements)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ExpenseClaim.php b/lib/Models/Accounting/ExpenseClaim.php
index 3f7ad4d7..a978bf51 100644
--- a/lib/Models/Accounting/ExpenseClaim.php
+++ b/lib/Models/Accounting/ExpenseClaim.php
@@ -657,7 +657,7 @@ public function setReceiptId($receipt_id)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -670,7 +670,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -684,7 +684,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -701,7 +701,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ExpenseClaims.php b/lib/Models/Accounting/ExpenseClaims.php
index 415c0f76..4050a2a2 100644
--- a/lib/Models/Accounting/ExpenseClaims.php
+++ b/lib/Models/Accounting/ExpenseClaims.php
@@ -238,7 +238,7 @@ public function setExpenseClaims($expense_claims)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['expense_claims'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['expense_claims'][$offset]) ? $this->container['expense_claims'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['expense_claims'][$offset]);
diff --git a/lib/Models/Accounting/ExternalLink.php b/lib/Models/Accounting/ExternalLink.php
index dd0b5699..78f4bc85 100644
--- a/lib/Models/Accounting/ExternalLink.php
+++ b/lib/Models/Accounting/ExternalLink.php
@@ -342,7 +342,7 @@ public function setDescription($description)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -355,7 +355,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -369,7 +369,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -386,7 +386,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/HistoryRecord.php b/lib/Models/Accounting/HistoryRecord.php
index 83ddf2da..3b5efbdc 100644
--- a/lib/Models/Accounting/HistoryRecord.php
+++ b/lib/Models/Accounting/HistoryRecord.php
@@ -344,7 +344,7 @@ public function setDateUtc($date_utc)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -357,7 +357,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -371,7 +371,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -388,7 +388,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/HistoryRecords.php b/lib/Models/Accounting/HistoryRecords.php
index 039d5d9f..5a161e12 100644
--- a/lib/Models/Accounting/HistoryRecords.php
+++ b/lib/Models/Accounting/HistoryRecords.php
@@ -238,7 +238,7 @@ public function setHistoryRecords($history_records)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['history_records'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['history_records'][$offset]) ? $this->container['history_records'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['history_records'][$offset]);
diff --git a/lib/Models/Accounting/ImportSummary.php b/lib/Models/Accounting/ImportSummary.php
index d0f2ae67..9bf80b8f 100644
--- a/lib/Models/Accounting/ImportSummary.php
+++ b/lib/Models/Accounting/ImportSummary.php
@@ -272,7 +272,7 @@ public function setOrganisation($organisation)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -285,7 +285,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -299,7 +299,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -316,7 +316,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ImportSummaryAccounts.php b/lib/Models/Accounting/ImportSummaryAccounts.php
index 5306f7c3..e8657c5b 100644
--- a/lib/Models/Accounting/ImportSummaryAccounts.php
+++ b/lib/Models/Accounting/ImportSummaryAccounts.php
@@ -503,7 +503,7 @@ public function setNewOrUpdated($new_or_updated)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -516,7 +516,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -530,7 +530,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -547,7 +547,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ImportSummaryObject.php b/lib/Models/Accounting/ImportSummaryObject.php
index badb795d..1ded6bdb 100644
--- a/lib/Models/Accounting/ImportSummaryObject.php
+++ b/lib/Models/Accounting/ImportSummaryObject.php
@@ -238,7 +238,7 @@ public function setImportSummary($import_summary)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ImportSummaryOrganisation.php b/lib/Models/Accounting/ImportSummaryOrganisation.php
index 4b772a30..8a6151ab 100644
--- a/lib/Models/Accounting/ImportSummaryOrganisation.php
+++ b/lib/Models/Accounting/ImportSummaryOrganisation.php
@@ -238,7 +238,7 @@ public function setPresent($present)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Invoice.php b/lib/Models/Accounting/Invoice.php
index b5ed2623..c6bbddc0 100644
--- a/lib/Models/Accounting/Invoice.php
+++ b/lib/Models/Accounting/Invoice.php
@@ -1720,7 +1720,7 @@ public function setWarnings($warnings)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1733,7 +1733,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1747,7 +1747,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1764,7 +1764,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/InvoiceReminder.php b/lib/Models/Accounting/InvoiceReminder.php
index e0441605..ba98ff41 100644
--- a/lib/Models/Accounting/InvoiceReminder.php
+++ b/lib/Models/Accounting/InvoiceReminder.php
@@ -238,7 +238,7 @@ public function setEnabled($enabled)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/InvoiceReminders.php b/lib/Models/Accounting/InvoiceReminders.php
index baa5a362..c28faec0 100644
--- a/lib/Models/Accounting/InvoiceReminders.php
+++ b/lib/Models/Accounting/InvoiceReminders.php
@@ -238,7 +238,7 @@ public function setInvoiceReminders($invoice_reminders)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['invoice_reminders'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['invoice_reminders'][$offset]) ? $this->container['invoice_reminders'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['invoice_reminders'][$offset]);
diff --git a/lib/Models/Accounting/Invoices.php b/lib/Models/Accounting/Invoices.php
index 48702aed..92b3bb9e 100644
--- a/lib/Models/Accounting/Invoices.php
+++ b/lib/Models/Accounting/Invoices.php
@@ -238,7 +238,7 @@ public function setInvoices($invoices)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['invoices'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['invoices'][$offset]) ? $this->container['invoices'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['invoices'][$offset]);
diff --git a/lib/Models/Accounting/Item.php b/lib/Models/Accounting/Item.php
index 4df41271..898a621b 100644
--- a/lib/Models/Accounting/Item.php
+++ b/lib/Models/Accounting/Item.php
@@ -775,7 +775,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -788,7 +788,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -802,7 +802,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -819,7 +819,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Items.php b/lib/Models/Accounting/Items.php
index e8cf97ef..40b2817f 100644
--- a/lib/Models/Accounting/Items.php
+++ b/lib/Models/Accounting/Items.php
@@ -238,7 +238,7 @@ public function setItems($items)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['items'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['items'][$offset]) ? $this->container['items'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['items'][$offset]);
diff --git a/lib/Models/Accounting/Journal.php b/lib/Models/Accounting/Journal.php
index fcef8954..585e99a9 100644
--- a/lib/Models/Accounting/Journal.php
+++ b/lib/Models/Accounting/Journal.php
@@ -580,7 +580,7 @@ public function setJournalLines($journal_lines)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -593,7 +593,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -607,7 +607,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -624,7 +624,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/JournalLine.php b/lib/Models/Accounting/JournalLine.php
index 164d99b4..17d46d50 100644
--- a/lib/Models/Accounting/JournalLine.php
+++ b/lib/Models/Accounting/JournalLine.php
@@ -600,7 +600,7 @@ public function setTrackingCategories($tracking_categories)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -613,7 +613,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -627,7 +627,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -644,7 +644,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Journals.php b/lib/Models/Accounting/Journals.php
index 92e47a56..3ad74db1 100644
--- a/lib/Models/Accounting/Journals.php
+++ b/lib/Models/Accounting/Journals.php
@@ -238,7 +238,7 @@ public function setJournals($journals)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['journals'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['journals'][$offset]) ? $this->container['journals'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['journals'][$offset]);
diff --git a/lib/Models/Accounting/LineItem.php b/lib/Models/Accounting/LineItem.php
index 9e1de274..c66d0f05 100644
--- a/lib/Models/Accounting/LineItem.php
+++ b/lib/Models/Accounting/LineItem.php
@@ -700,7 +700,7 @@ public function setRepeatingInvoiceId($repeating_invoice_id)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -713,7 +713,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -727,7 +727,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -744,7 +744,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/LineItemItem.php b/lib/Models/Accounting/LineItemItem.php
index ca634b47..1a2f8afc 100644
--- a/lib/Models/Accounting/LineItemItem.php
+++ b/lib/Models/Accounting/LineItemItem.php
@@ -320,7 +320,7 @@ public function setItemId($item_id)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -333,7 +333,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -347,7 +347,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -364,7 +364,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/LineItemTracking.php b/lib/Models/Accounting/LineItemTracking.php
index 96d7eab8..716d5680 100644
--- a/lib/Models/Accounting/LineItemTracking.php
+++ b/lib/Models/Accounting/LineItemTracking.php
@@ -345,7 +345,7 @@ public function setOption($option)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -358,7 +358,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -372,7 +372,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -389,7 +389,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/LinkedTransaction.php b/lib/Models/Accounting/LinkedTransaction.php
index 052eab1c..c1907369 100644
--- a/lib/Models/Accounting/LinkedTransaction.php
+++ b/lib/Models/Accounting/LinkedTransaction.php
@@ -675,7 +675,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -688,7 +688,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -702,7 +702,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -719,7 +719,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/LinkedTransactions.php b/lib/Models/Accounting/LinkedTransactions.php
index cde516ae..7aac2647 100644
--- a/lib/Models/Accounting/LinkedTransactions.php
+++ b/lib/Models/Accounting/LinkedTransactions.php
@@ -238,7 +238,7 @@ public function setLinkedTransactions($linked_transactions)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['linked_transactions'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['linked_transactions'][$offset]) ? $this->container['linked_transactions'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['linked_transactions'][$offset]);
diff --git a/lib/Models/Accounting/ManualJournal.php b/lib/Models/Accounting/ManualJournal.php
index 6c7dff42..ee6df6ff 100644
--- a/lib/Models/Accounting/ManualJournal.php
+++ b/lib/Models/Accounting/ManualJournal.php
@@ -740,7 +740,7 @@ public function setAttachments($attachments)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -753,7 +753,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -767,7 +767,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -784,7 +784,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ManualJournalLine.php b/lib/Models/Accounting/ManualJournalLine.php
index 5e9e2272..263aa0cd 100644
--- a/lib/Models/Accounting/ManualJournalLine.php
+++ b/lib/Models/Accounting/ManualJournalLine.php
@@ -469,7 +469,7 @@ public function setIsBlank($is_blank)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -482,7 +482,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -496,7 +496,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -513,7 +513,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ManualJournals.php b/lib/Models/Accounting/ManualJournals.php
index e5957ec7..d576dcb5 100644
--- a/lib/Models/Accounting/ManualJournals.php
+++ b/lib/Models/Accounting/ManualJournals.php
@@ -238,7 +238,7 @@ public function setManualJournals($manual_journals)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['manual_journals'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['manual_journals'][$offset]) ? $this->container['manual_journals'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['manual_journals'][$offset]);
diff --git a/lib/Models/Accounting/OnlineInvoice.php b/lib/Models/Accounting/OnlineInvoice.php
index 63ff227e..be1efcd1 100644
--- a/lib/Models/Accounting/OnlineInvoice.php
+++ b/lib/Models/Accounting/OnlineInvoice.php
@@ -238,7 +238,7 @@ public function setOnlineInvoiceUrl($online_invoice_url)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/OnlineInvoices.php b/lib/Models/Accounting/OnlineInvoices.php
index 23ea2740..252d2b96 100644
--- a/lib/Models/Accounting/OnlineInvoices.php
+++ b/lib/Models/Accounting/OnlineInvoices.php
@@ -238,7 +238,7 @@ public function setOnlineInvoices($online_invoices)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['online_invoices'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['online_invoices'][$offset]) ? $this->container['online_invoices'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['online_invoices'][$offset]);
diff --git a/lib/Models/Accounting/Organisation.php b/lib/Models/Accounting/Organisation.php
index fff0e9de..46dbd9ca 100644
--- a/lib/Models/Accounting/Organisation.php
+++ b/lib/Models/Accounting/Organisation.php
@@ -1695,7 +1695,7 @@ public function setPaymentTerms($payment_terms)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1708,7 +1708,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1722,7 +1722,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1739,7 +1739,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Organisations.php b/lib/Models/Accounting/Organisations.php
index 5e94b73b..98e1acec 100644
--- a/lib/Models/Accounting/Organisations.php
+++ b/lib/Models/Accounting/Organisations.php
@@ -238,7 +238,7 @@ public function setOrganisations($organisations)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['organisations'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['organisations'][$offset]) ? $this->container['organisations'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['organisations'][$offset]);
diff --git a/lib/Models/Accounting/Overpayment.php b/lib/Models/Accounting/Overpayment.php
index f6e8aee1..447d78d8 100644
--- a/lib/Models/Accounting/Overpayment.php
+++ b/lib/Models/Accounting/Overpayment.php
@@ -932,7 +932,7 @@ public function setAttachments($attachments)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -945,7 +945,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -959,7 +959,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -976,7 +976,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Overpayments.php b/lib/Models/Accounting/Overpayments.php
index ecd74275..8b7d0528 100644
--- a/lib/Models/Accounting/Overpayments.php
+++ b/lib/Models/Accounting/Overpayments.php
@@ -238,7 +238,7 @@ public function setOverpayments($overpayments)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['overpayments'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['overpayments'][$offset]) ? $this->container['overpayments'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['overpayments'][$offset]);
diff --git a/lib/Models/Accounting/Payment.php b/lib/Models/Accounting/Payment.php
index eafdf231..42a97323 100644
--- a/lib/Models/Accounting/Payment.php
+++ b/lib/Models/Accounting/Payment.php
@@ -1171,7 +1171,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1184,7 +1184,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1198,7 +1198,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1215,7 +1215,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/PaymentDelete.php b/lib/Models/Accounting/PaymentDelete.php
index 80ce6e0e..fc6c888c 100644
--- a/lib/Models/Accounting/PaymentDelete.php
+++ b/lib/Models/Accounting/PaymentDelete.php
@@ -241,7 +241,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -254,7 +254,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -268,7 +268,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -285,7 +285,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/PaymentService.php b/lib/Models/Accounting/PaymentService.php
index 6b504606..94bca380 100644
--- a/lib/Models/Accounting/PaymentService.php
+++ b/lib/Models/Accounting/PaymentService.php
@@ -403,7 +403,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/PaymentServices.php b/lib/Models/Accounting/PaymentServices.php
index d59db943..ac583843 100644
--- a/lib/Models/Accounting/PaymentServices.php
+++ b/lib/Models/Accounting/PaymentServices.php
@@ -238,7 +238,7 @@ public function setPaymentServices($payment_services)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['payment_services'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['payment_services'][$offset]) ? $this->container['payment_services'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['payment_services'][$offset]);
diff --git a/lib/Models/Accounting/PaymentTerm.php b/lib/Models/Accounting/PaymentTerm.php
index 33cfaa0c..d658d7ac 100644
--- a/lib/Models/Accounting/PaymentTerm.php
+++ b/lib/Models/Accounting/PaymentTerm.php
@@ -271,7 +271,7 @@ public function setSales($sales)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Payments.php b/lib/Models/Accounting/Payments.php
index d7258003..9162655f 100644
--- a/lib/Models/Accounting/Payments.php
+++ b/lib/Models/Accounting/Payments.php
@@ -238,7 +238,7 @@ public function setPayments($payments)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['payments'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['payments'][$offset]) ? $this->container['payments'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['payments'][$offset]);
diff --git a/lib/Models/Accounting/Phone.php b/lib/Models/Accounting/Phone.php
index 84ea865f..0fc13c2e 100644
--- a/lib/Models/Accounting/Phone.php
+++ b/lib/Models/Accounting/Phone.php
@@ -399,7 +399,7 @@ public function setPhoneCountryCode($phone_country_code)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -412,7 +412,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -426,7 +426,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -443,7 +443,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Prepayment.php b/lib/Models/Accounting/Prepayment.php
index dfe66da0..afe211d5 100644
--- a/lib/Models/Accounting/Prepayment.php
+++ b/lib/Models/Accounting/Prepayment.php
@@ -966,7 +966,7 @@ public function setAttachments($attachments)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -979,7 +979,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -993,7 +993,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1010,7 +1010,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Prepayments.php b/lib/Models/Accounting/Prepayments.php
index b3e758c0..59d92a4b 100644
--- a/lib/Models/Accounting/Prepayments.php
+++ b/lib/Models/Accounting/Prepayments.php
@@ -238,7 +238,7 @@ public function setPrepayments($prepayments)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['prepayments'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['prepayments'][$offset]) ? $this->container['prepayments'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['prepayments'][$offset]);
diff --git a/lib/Models/Accounting/Purchase.php b/lib/Models/Accounting/Purchase.php
index b34b6e0c..e5a80616 100644
--- a/lib/Models/Accounting/Purchase.php
+++ b/lib/Models/Accounting/Purchase.php
@@ -337,7 +337,7 @@ public function setTaxType($tax_type)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/PurchaseOrder.php b/lib/Models/Accounting/PurchaseOrder.php
index 1be220fa..2916123d 100644
--- a/lib/Models/Accounting/PurchaseOrder.php
+++ b/lib/Models/Accounting/PurchaseOrder.php
@@ -1247,7 +1247,7 @@ public function setAttachments($attachments)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1260,7 +1260,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1274,7 +1274,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1291,7 +1291,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/PurchaseOrders.php b/lib/Models/Accounting/PurchaseOrders.php
index e6204d02..b53f8056 100644
--- a/lib/Models/Accounting/PurchaseOrders.php
+++ b/lib/Models/Accounting/PurchaseOrders.php
@@ -238,7 +238,7 @@ public function setPurchaseOrders($purchase_orders)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['purchase_orders'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['purchase_orders'][$offset]) ? $this->container['purchase_orders'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['purchase_orders'][$offset]);
diff --git a/lib/Models/Accounting/Quote.php b/lib/Models/Accounting/Quote.php
index 822710a1..496afadc 100644
--- a/lib/Models/Accounting/Quote.php
+++ b/lib/Models/Accounting/Quote.php
@@ -1092,7 +1092,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1105,7 +1105,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1119,7 +1119,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1136,7 +1136,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Quotes.php b/lib/Models/Accounting/Quotes.php
index f35a1c6b..ab2a14aa 100644
--- a/lib/Models/Accounting/Quotes.php
+++ b/lib/Models/Accounting/Quotes.php
@@ -238,7 +238,7 @@ public function setQuotes($quotes)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['quotes'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['quotes'][$offset]) ? $this->container['quotes'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['quotes'][$offset]);
diff --git a/lib/Models/Accounting/Receipt.php b/lib/Models/Accounting/Receipt.php
index 65f4e507..59be3da2 100644
--- a/lib/Models/Accounting/Receipt.php
+++ b/lib/Models/Accounting/Receipt.php
@@ -867,7 +867,7 @@ public function setAttachments($attachments)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -880,7 +880,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -894,7 +894,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -911,7 +911,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Receipts.php b/lib/Models/Accounting/Receipts.php
index 76d2acae..6672d756 100644
--- a/lib/Models/Accounting/Receipts.php
+++ b/lib/Models/Accounting/Receipts.php
@@ -238,7 +238,7 @@ public function setReceipts($receipts)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['receipts'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['receipts'][$offset]) ? $this->container['receipts'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['receipts'][$offset]);
diff --git a/lib/Models/Accounting/RepeatingInvoice.php b/lib/Models/Accounting/RepeatingInvoice.php
index 92840788..c1421015 100644
--- a/lib/Models/Accounting/RepeatingInvoice.php
+++ b/lib/Models/Accounting/RepeatingInvoice.php
@@ -798,7 +798,7 @@ public function setAttachments($attachments)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -811,7 +811,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -825,7 +825,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -842,7 +842,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/RepeatingInvoices.php b/lib/Models/Accounting/RepeatingInvoices.php
index 96d846e2..ae78b63b 100644
--- a/lib/Models/Accounting/RepeatingInvoices.php
+++ b/lib/Models/Accounting/RepeatingInvoices.php
@@ -238,7 +238,7 @@ public function setRepeatingInvoices($repeating_invoices)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['repeating_invoices'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['repeating_invoices'][$offset]) ? $this->container['repeating_invoices'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['repeating_invoices'][$offset]);
diff --git a/lib/Models/Accounting/Report.php b/lib/Models/Accounting/Report.php
index 1e5240c7..15146a6c 100644
--- a/lib/Models/Accounting/Report.php
+++ b/lib/Models/Accounting/Report.php
@@ -440,7 +440,7 @@ public function setContacts($contacts)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -453,7 +453,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -467,7 +467,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -484,7 +484,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ReportAttribute.php b/lib/Models/Accounting/ReportAttribute.php
index 904d3bea..84710129 100644
--- a/lib/Models/Accounting/ReportAttribute.php
+++ b/lib/Models/Accounting/ReportAttribute.php
@@ -271,7 +271,7 @@ public function setValue($value)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ReportCell.php b/lib/Models/Accounting/ReportCell.php
index 4a80cb5c..5b765953 100644
--- a/lib/Models/Accounting/ReportCell.php
+++ b/lib/Models/Accounting/ReportCell.php
@@ -271,7 +271,7 @@ public function setAttributes($attributes)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ReportFields.php b/lib/Models/Accounting/ReportFields.php
index 073f85ff..ca138f11 100644
--- a/lib/Models/Accounting/ReportFields.php
+++ b/lib/Models/Accounting/ReportFields.php
@@ -304,7 +304,7 @@ public function setValue($value)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ReportRow.php b/lib/Models/Accounting/ReportRow.php
index 085d9dde..899033a8 100644
--- a/lib/Models/Accounting/ReportRow.php
+++ b/lib/Models/Accounting/ReportRow.php
@@ -304,7 +304,7 @@ public function setCells($cells)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ReportRows.php b/lib/Models/Accounting/ReportRows.php
index d1b608a7..44ba6cce 100644
--- a/lib/Models/Accounting/ReportRows.php
+++ b/lib/Models/Accounting/ReportRows.php
@@ -337,7 +337,7 @@ public function setRows($rows)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ReportWithRow.php b/lib/Models/Accounting/ReportWithRow.php
index de18e7bb..104285a4 100644
--- a/lib/Models/Accounting/ReportWithRow.php
+++ b/lib/Models/Accounting/ReportWithRow.php
@@ -509,7 +509,7 @@ public function setFields($fields)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -522,7 +522,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -536,7 +536,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -553,7 +553,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ReportWithRows.php b/lib/Models/Accounting/ReportWithRows.php
index 51333d19..bbbb436d 100644
--- a/lib/Models/Accounting/ReportWithRows.php
+++ b/lib/Models/Accounting/ReportWithRows.php
@@ -238,7 +238,7 @@ public function setReports($reports)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Reports.php b/lib/Models/Accounting/Reports.php
index b554765e..9f1cffbb 100644
--- a/lib/Models/Accounting/Reports.php
+++ b/lib/Models/Accounting/Reports.php
@@ -238,7 +238,7 @@ public function setReports($reports)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['reports'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['reports'][$offset]) ? $this->container['reports'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['reports'][$offset]);
diff --git a/lib/Models/Accounting/RequestEmpty.php b/lib/Models/Accounting/RequestEmpty.php
index 311ba4c1..099887d0 100644
--- a/lib/Models/Accounting/RequestEmpty.php
+++ b/lib/Models/Accounting/RequestEmpty.php
@@ -238,7 +238,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/SalesTrackingCategory.php b/lib/Models/Accounting/SalesTrackingCategory.php
index 9efd1cce..20d9dac1 100644
--- a/lib/Models/Accounting/SalesTrackingCategory.php
+++ b/lib/Models/Accounting/SalesTrackingCategory.php
@@ -271,7 +271,7 @@ public function setTrackingOptionName($tracking_option_name)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Schedule.php b/lib/Models/Accounting/Schedule.php
index 856abff5..22f8301b 100644
--- a/lib/Models/Accounting/Schedule.php
+++ b/lib/Models/Accounting/Schedule.php
@@ -586,7 +586,7 @@ public function setEndDateAsDate($end_date)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -599,7 +599,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -613,7 +613,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -630,7 +630,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Setup.php b/lib/Models/Accounting/Setup.php
index 68df2daf..81748412 100644
--- a/lib/Models/Accounting/Setup.php
+++ b/lib/Models/Accounting/Setup.php
@@ -304,7 +304,7 @@ public function setAccounts($accounts)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/TaxComponent.php b/lib/Models/Accounting/TaxComponent.php
index d00525e0..985458f0 100644
--- a/lib/Models/Accounting/TaxComponent.php
+++ b/lib/Models/Accounting/TaxComponent.php
@@ -337,7 +337,7 @@ public function setIsNonRecoverable($is_non_recoverable)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/TaxRate.php b/lib/Models/Accounting/TaxRate.php
index e0be76bc..a3c3addf 100644
--- a/lib/Models/Accounting/TaxRate.php
+++ b/lib/Models/Accounting/TaxRate.php
@@ -293,6 +293,12 @@ public function getModelName()
     const REPORT_TAX_TYPE_BADDEBT = 'BADDEBT';
     const REPORT_TAX_TYPE_OTHERINPUT = 'OTHERINPUT';
     const REPORT_TAX_TYPE_BADDEBTRELIEF = 'BADDEBTRELIEF';
+    const REPORT_TAX_TYPE_IGDSINPUT3 = 'IGDSINPUT3';
+    const REPORT_TAX_TYPE_SROVR = 'SROVR';
+    const REPORT_TAX_TYPE_TOURISTREFUND = 'TOURISTREFUND';
+    const REPORT_TAX_TYPE_TXRCN33_INPUT = 'TXRCN33INPUT';
+    const REPORT_TAX_TYPE_TXRCREINPUT = 'TXRCREINPUT';
+    const REPORT_TAX_TYPE_TXRCESSINPUT = 'TXRCESSINPUT';
     
 
     
@@ -394,6 +400,12 @@ public function getReportTaxTypeAllowableValues()
             self::REPORT_TAX_TYPE_BADDEBT,
             self::REPORT_TAX_TYPE_OTHERINPUT,
             self::REPORT_TAX_TYPE_BADDEBTRELIEF,
+            self::REPORT_TAX_TYPE_IGDSINPUT3,
+            self::REPORT_TAX_TYPE_SROVR,
+            self::REPORT_TAX_TYPE_TOURISTREFUND,
+            self::REPORT_TAX_TYPE_TXRCN33_INPUT,
+            self::REPORT_TAX_TYPE_TXRCREINPUT,
+            self::REPORT_TAX_TYPE_TXRCESSINPUT,
         ];
     }
     
@@ -808,7 +820,7 @@ public function setEffectiveRate($effective_rate)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -821,7 +833,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -835,7 +847,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -852,7 +864,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/TaxRates.php b/lib/Models/Accounting/TaxRates.php
index 544b9f40..7423b3d5 100644
--- a/lib/Models/Accounting/TaxRates.php
+++ b/lib/Models/Accounting/TaxRates.php
@@ -238,7 +238,7 @@ public function setTaxRates($tax_rates)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['tax_rates'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['tax_rates'][$offset]) ? $this->container['tax_rates'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['tax_rates'][$offset]);
diff --git a/lib/Models/Accounting/TaxType.php b/lib/Models/Accounting/TaxType.php
index 82ea013e..ac4e69d8 100644
--- a/lib/Models/Accounting/TaxType.php
+++ b/lib/Models/Accounting/TaxType.php
@@ -105,6 +105,12 @@ class TaxType
     const DRCHARGESUPPLY5 = 'DRCHARGESUPPLY5';
     const DRCHARGE5 = 'DRCHARGE5';
     const BADDEBTRELIEF = 'BADDEBTRELIEF';
+    const IGDSINPUT3 = 'IGDSINPUT3';
+    const SROVR = 'SROVR';
+    const TOURISTREFUND = 'TOURISTREFUND';
+    const TXRCN33_INPUT = 'TXRCN33INPUT';
+    const TXRCREINPUT = 'TXRCREINPUT';
+    const TXRCESSINPUT = 'TXRCESSINPUT';
     
     /**
      * Gets allowable values of the enum
@@ -173,6 +179,12 @@ public static function getAllowableEnumValues()
             self::DRCHARGESUPPLY5,
             self::DRCHARGE5,
             self::BADDEBTRELIEF,
+            self::IGDSINPUT3,
+            self::SROVR,
+            self::TOURISTREFUND,
+            self::TXRCN33_INPUT,
+            self::TXRCREINPUT,
+            self::TXRCESSINPUT,
         ];
     }
 }
diff --git a/lib/Models/Accounting/TenNinetyNineContact.php b/lib/Models/Accounting/TenNinetyNineContact.php
index 6002940d..43e3467f 100644
--- a/lib/Models/Accounting/TenNinetyNineContact.php
+++ b/lib/Models/Accounting/TenNinetyNineContact.php
@@ -931,7 +931,7 @@ public function setContactId($contact_id)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -944,7 +944,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -958,7 +958,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -975,7 +975,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/TrackingCategories.php b/lib/Models/Accounting/TrackingCategories.php
index c79b07ff..ce8981ea 100644
--- a/lib/Models/Accounting/TrackingCategories.php
+++ b/lib/Models/Accounting/TrackingCategories.php
@@ -238,7 +238,7 @@ public function setTrackingCategories($tracking_categories)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['tracking_categories'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['tracking_categories'][$offset]) ? $this->container['tracking_categories'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['tracking_categories'][$offset]);
diff --git a/lib/Models/Accounting/TrackingCategory.php b/lib/Models/Accounting/TrackingCategory.php
index 1dfc23ef..3d377aa3 100644
--- a/lib/Models/Accounting/TrackingCategory.php
+++ b/lib/Models/Accounting/TrackingCategory.php
@@ -453,7 +453,7 @@ public function setOptions($options)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -466,7 +466,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -480,7 +480,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -497,7 +497,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/TrackingOption.php b/lib/Models/Accounting/TrackingOption.php
index 5983d69e..196cb63a 100644
--- a/lib/Models/Accounting/TrackingOption.php
+++ b/lib/Models/Accounting/TrackingOption.php
@@ -379,7 +379,7 @@ public function setTrackingCategoryId($tracking_category_id)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -392,7 +392,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -406,7 +406,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -423,7 +423,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/TrackingOptions.php b/lib/Models/Accounting/TrackingOptions.php
index a7614d7f..c3fa3fb4 100644
--- a/lib/Models/Accounting/TrackingOptions.php
+++ b/lib/Models/Accounting/TrackingOptions.php
@@ -238,7 +238,7 @@ public function setOptions($options)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['options'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['options'][$offset]) ? $this->container['options'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['options'][$offset]);
diff --git a/lib/Models/Accounting/User.php b/lib/Models/Accounting/User.php
index 3651bac3..b659b3c2 100644
--- a/lib/Models/Accounting/User.php
+++ b/lib/Models/Accounting/User.php
@@ -485,7 +485,7 @@ public function setOrganisationRole($organisation_role)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -498,7 +498,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -512,7 +512,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -529,7 +529,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Users.php b/lib/Models/Accounting/Users.php
index 19185c4d..27f7753a 100644
--- a/lib/Models/Accounting/Users.php
+++ b/lib/Models/Accounting/Users.php
@@ -238,7 +238,7 @@ public function setUsers($users)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['users'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['users'][$offset]) ? $this->container['users'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['users'][$offset]);
diff --git a/lib/Models/Accounting/ValidationError.php b/lib/Models/Accounting/ValidationError.php
index 6c6fc13e..f5eef969 100644
--- a/lib/Models/Accounting/ValidationError.php
+++ b/lib/Models/Accounting/ValidationError.php
@@ -238,7 +238,7 @@ public function setMessage($message)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/AppStore/Plan.php b/lib/Models/AppStore/Plan.php
index d03d0b67..a35e4d8b 100644
--- a/lib/Models/AppStore/Plan.php
+++ b/lib/Models/AppStore/Plan.php
@@ -383,7 +383,7 @@ public function setSubscriptionItems($subscription_items)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -396,7 +396,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -410,7 +410,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -427,7 +427,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/AppStore/Price.php b/lib/Models/AppStore/Price.php
index 8f226654..190806d2 100644
--- a/lib/Models/AppStore/Price.php
+++ b/lib/Models/AppStore/Price.php
@@ -313,7 +313,7 @@ public function setId($id)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -326,7 +326,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -340,7 +340,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -357,7 +357,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/AppStore/ProblemDetails.php b/lib/Models/AppStore/ProblemDetails.php
index 7c1aed1c..346f284c 100644
--- a/lib/Models/AppStore/ProblemDetails.php
+++ b/lib/Models/AppStore/ProblemDetails.php
@@ -403,7 +403,7 @@ public function setType($type)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/AppStore/Product.php b/lib/Models/AppStore/Product.php
index c1c773f7..595cf8cb 100644
--- a/lib/Models/AppStore/Product.php
+++ b/lib/Models/AppStore/Product.php
@@ -404,7 +404,7 @@ public function setUsageUnit($usage_unit)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -417,7 +417,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -431,7 +431,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -448,7 +448,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/AppStore/Subscription.php b/lib/Models/AppStore/Subscription.php
index 2426f8b2..2e0a791c 100644
--- a/lib/Models/AppStore/Subscription.php
+++ b/lib/Models/AppStore/Subscription.php
@@ -521,7 +521,7 @@ public function setTestMode($test_mode)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -534,7 +534,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -548,7 +548,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -565,7 +565,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/AppStore/SubscriptionItem.php b/lib/Models/AppStore/SubscriptionItem.php
index e5a9cb39..8c5fd701 100644
--- a/lib/Models/AppStore/SubscriptionItem.php
+++ b/lib/Models/AppStore/SubscriptionItem.php
@@ -518,7 +518,7 @@ public function setTestMode($test_mode)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -531,7 +531,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -545,7 +545,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -562,7 +562,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/Asset.php b/lib/Models/Asset/Asset.php
index f83fb440..f326a2ec 100644
--- a/lib/Models/Asset/Asset.php
+++ b/lib/Models/Asset/Asset.php
@@ -736,7 +736,7 @@ public function setIsDeleteEnabledForDate($is_delete_enabled_for_date)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -749,7 +749,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -763,7 +763,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -780,7 +780,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/AssetType.php b/lib/Models/Asset/AssetType.php
index 21e74654..308d8864 100644
--- a/lib/Models/Asset/AssetType.php
+++ b/lib/Models/Asset/AssetType.php
@@ -442,7 +442,7 @@ public function setLocks($locks)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -455,7 +455,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -469,7 +469,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -486,7 +486,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/Assets.php b/lib/Models/Asset/Assets.php
index cf12d98f..c1cc1261 100644
--- a/lib/Models/Asset/Assets.php
+++ b/lib/Models/Asset/Assets.php
@@ -271,7 +271,7 @@ public function setItems($items)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/BookDepreciationDetail.php b/lib/Models/Asset/BookDepreciationDetail.php
index e18c8d9a..5c664b34 100644
--- a/lib/Models/Asset/BookDepreciationDetail.php
+++ b/lib/Models/Asset/BookDepreciationDetail.php
@@ -436,7 +436,7 @@ public function setCurrentAccumDepreciationAmount($current_accum_depreciation_am
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -449,7 +449,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -463,7 +463,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -480,7 +480,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/BookDepreciationSetting.php b/lib/Models/Asset/BookDepreciationSetting.php
index e1b3048e..4f241e5a 100644
--- a/lib/Models/Asset/BookDepreciationSetting.php
+++ b/lib/Models/Asset/BookDepreciationSetting.php
@@ -575,7 +575,7 @@ public function setBookEffectiveDateOfChangeId($book_effective_date_of_change_id
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -588,7 +588,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -602,7 +602,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -619,7 +619,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/Error.php b/lib/Models/Asset/Error.php
index 698d9a50..64901b91 100644
--- a/lib/Models/Asset/Error.php
+++ b/lib/Models/Asset/Error.php
@@ -370,7 +370,7 @@ public function setDetail($detail)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/FieldValidationErrorsElement.php b/lib/Models/Asset/FieldValidationErrorsElement.php
index 940169a8..345b6e74 100644
--- a/lib/Models/Asset/FieldValidationErrorsElement.php
+++ b/lib/Models/Asset/FieldValidationErrorsElement.php
@@ -403,7 +403,7 @@ public function setDetail($detail)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/Pagination.php b/lib/Models/Asset/Pagination.php
index 7fc6b07e..10ea321c 100644
--- a/lib/Models/Asset/Pagination.php
+++ b/lib/Models/Asset/Pagination.php
@@ -337,7 +337,7 @@ public function setItemCount($item_count)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/ResourceValidationErrorsElement.php b/lib/Models/Asset/ResourceValidationErrorsElement.php
index 184e7153..83c2c5aa 100644
--- a/lib/Models/Asset/ResourceValidationErrorsElement.php
+++ b/lib/Models/Asset/ResourceValidationErrorsElement.php
@@ -370,7 +370,7 @@ public function setDetail($detail)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/Setting.php b/lib/Models/Asset/Setting.php
index b13df6ea..71b29c09 100644
--- a/lib/Models/Asset/Setting.php
+++ b/lib/Models/Asset/Setting.php
@@ -469,7 +469,7 @@ public function setOptInForTax($opt_in_for_tax)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -482,7 +482,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -496,7 +496,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -513,7 +513,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/File/Association.php b/lib/Models/File/Association.php
index 7855656a..e1075d65 100644
--- a/lib/Models/File/Association.php
+++ b/lib/Models/File/Association.php
@@ -337,7 +337,7 @@ public function setObjectType($object_type)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/File/FileObject.php b/lib/Models/File/FileObject.php
index 5fc613b0..2a9d5a8d 100644
--- a/lib/Models/File/FileObject.php
+++ b/lib/Models/File/FileObject.php
@@ -469,7 +469,7 @@ public function setFolderId($folder_id)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -482,7 +482,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -496,7 +496,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -513,7 +513,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/File/Files.php b/lib/Models/File/Files.php
index fa1451d2..22438172 100644
--- a/lib/Models/File/Files.php
+++ b/lib/Models/File/Files.php
@@ -337,7 +337,7 @@ public function setItems($items)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/File/Folder.php b/lib/Models/File/Folder.php
index 4c31e6d9..7dc64dc6 100644
--- a/lib/Models/File/Folder.php
+++ b/lib/Models/File/Folder.php
@@ -370,7 +370,7 @@ public function setId($id)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/File/Folders.php b/lib/Models/File/Folders.php
index 60702c3c..8cfb7c2f 100644
--- a/lib/Models/File/Folders.php
+++ b/lib/Models/File/Folders.php
@@ -238,7 +238,7 @@ public function setFolders($folders)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/File/User.php b/lib/Models/File/User.php
index 80268072..ffb35f04 100644
--- a/lib/Models/File/User.php
+++ b/lib/Models/File/User.php
@@ -373,7 +373,7 @@ public function setFullName($full_name)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -386,7 +386,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -400,7 +400,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -417,7 +417,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/AccountUsage.php b/lib/Models/Finance/AccountUsage.php
index 855b3885..73468398 100644
--- a/lib/Models/Finance/AccountUsage.php
+++ b/lib/Models/Finance/AccountUsage.php
@@ -634,7 +634,7 @@ public function setReportCodeUpdatedDateUtc($report_code_updated_date_utc)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -647,7 +647,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -661,7 +661,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -678,7 +678,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/AccountUsageResponse.php b/lib/Models/Finance/AccountUsageResponse.php
index 81a80767..50f301ff 100644
--- a/lib/Models/Finance/AccountUsageResponse.php
+++ b/lib/Models/Finance/AccountUsageResponse.php
@@ -337,7 +337,7 @@ public function setAccountUsage($account_usage)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/BalanceSheetAccountDetail.php b/lib/Models/Finance/BalanceSheetAccountDetail.php
index 97038c05..f219c343 100644
--- a/lib/Models/Finance/BalanceSheetAccountDetail.php
+++ b/lib/Models/Finance/BalanceSheetAccountDetail.php
@@ -370,7 +370,7 @@ public function setTotal($total)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/BalanceSheetAccountGroup.php b/lib/Models/Finance/BalanceSheetAccountGroup.php
index 3e9cc146..8bc81c37 100644
--- a/lib/Models/Finance/BalanceSheetAccountGroup.php
+++ b/lib/Models/Finance/BalanceSheetAccountGroup.php
@@ -271,7 +271,7 @@ public function setTotal($total)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/BalanceSheetAccountType.php b/lib/Models/Finance/BalanceSheetAccountType.php
index 75a37141..9cea79e0 100644
--- a/lib/Models/Finance/BalanceSheetAccountType.php
+++ b/lib/Models/Finance/BalanceSheetAccountType.php
@@ -304,7 +304,7 @@ public function setTotal($total)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/BalanceSheetResponse.php b/lib/Models/Finance/BalanceSheetResponse.php
index 822d87ed..6a55b943 100644
--- a/lib/Models/Finance/BalanceSheetResponse.php
+++ b/lib/Models/Finance/BalanceSheetResponse.php
@@ -337,7 +337,7 @@ public function setEquity($equity)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/BankStatementAccountingResponse.php b/lib/Models/Finance/BankStatementAccountingResponse.php
index a98c3c7a..7db1223b 100644
--- a/lib/Models/Finance/BankStatementAccountingResponse.php
+++ b/lib/Models/Finance/BankStatementAccountingResponse.php
@@ -337,7 +337,7 @@ public function setStatements($statements)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/BankStatementResponse.php b/lib/Models/Finance/BankStatementResponse.php
index 7c8cdc9c..cd6af990 100644
--- a/lib/Models/Finance/BankStatementResponse.php
+++ b/lib/Models/Finance/BankStatementResponse.php
@@ -271,7 +271,7 @@ public function setCurrentStatement($current_statement)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/BankTransactionResponse.php b/lib/Models/Finance/BankTransactionResponse.php
index 11bc05df..84b7231a 100644
--- a/lib/Models/Finance/BankTransactionResponse.php
+++ b/lib/Models/Finance/BankTransactionResponse.php
@@ -403,7 +403,7 @@ public function setLineItems($line_items)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/CashAccountResponse.php b/lib/Models/Finance/CashAccountResponse.php
index 2e9660c7..8fec8246 100644
--- a/lib/Models/Finance/CashAccountResponse.php
+++ b/lib/Models/Finance/CashAccountResponse.php
@@ -370,7 +370,7 @@ public function setBalanceCurrency($balance_currency)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/CashBalance.php b/lib/Models/Finance/CashBalance.php
index 2d09ac84..1c276e24 100644
--- a/lib/Models/Finance/CashBalance.php
+++ b/lib/Models/Finance/CashBalance.php
@@ -303,7 +303,7 @@ public function setNetCashMovement($net_cash_movement)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -316,7 +316,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -330,7 +330,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -347,7 +347,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/CashValidationResponse.php b/lib/Models/Finance/CashValidationResponse.php
index 2587e7ac..e135fce7 100644
--- a/lib/Models/Finance/CashValidationResponse.php
+++ b/lib/Models/Finance/CashValidationResponse.php
@@ -370,7 +370,7 @@ public function setCashAccount($cash_account)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/CashflowAccount.php b/lib/Models/Finance/CashflowAccount.php
index ef981400..20f7de36 100644
--- a/lib/Models/Finance/CashflowAccount.php
+++ b/lib/Models/Finance/CashflowAccount.php
@@ -436,7 +436,7 @@ public function setTotal($total)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -449,7 +449,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -463,7 +463,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -480,7 +480,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/CashflowActivity.php b/lib/Models/Finance/CashflowActivity.php
index f37be95b..d6f2da83 100644
--- a/lib/Models/Finance/CashflowActivity.php
+++ b/lib/Models/Finance/CashflowActivity.php
@@ -304,7 +304,7 @@ public function setCashflowTypes($cashflow_types)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/CashflowResponse.php b/lib/Models/Finance/CashflowResponse.php
index fa4fdade..5c259a52 100644
--- a/lib/Models/Finance/CashflowResponse.php
+++ b/lib/Models/Finance/CashflowResponse.php
@@ -337,7 +337,7 @@ public function setCashflowActivities($cashflow_activities)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/CashflowType.php b/lib/Models/Finance/CashflowType.php
index 0d1c696a..1272c591 100644
--- a/lib/Models/Finance/CashflowType.php
+++ b/lib/Models/Finance/CashflowType.php
@@ -304,7 +304,7 @@ public function setAccounts($accounts)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/ContactDetail.php b/lib/Models/Finance/ContactDetail.php
index aba6ce03..0fa30bc1 100644
--- a/lib/Models/Finance/ContactDetail.php
+++ b/lib/Models/Finance/ContactDetail.php
@@ -403,7 +403,7 @@ public function setAccountCodes($account_codes)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/ContactResponse.php b/lib/Models/Finance/ContactResponse.php
index 2d2a6d3a..f42125aa 100644
--- a/lib/Models/Finance/ContactResponse.php
+++ b/lib/Models/Finance/ContactResponse.php
@@ -271,7 +271,7 @@ public function setContactName($contact_name)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/ContactTotalDetail.php b/lib/Models/Finance/ContactTotalDetail.php
index 62938821..07b6f2d5 100644
--- a/lib/Models/Finance/ContactTotalDetail.php
+++ b/lib/Models/Finance/ContactTotalDetail.php
@@ -304,7 +304,7 @@ public function setTotalCreditedUnApplied($total_credited_un_applied)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/ContactTotalOther.php b/lib/Models/Finance/ContactTotalOther.php
index 1c1cea5d..327bd715 100644
--- a/lib/Models/Finance/ContactTotalOther.php
+++ b/lib/Models/Finance/ContactTotalOther.php
@@ -337,7 +337,7 @@ public function setTransactionCount($transaction_count)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/CreditNoteResponse.php b/lib/Models/Finance/CreditNoteResponse.php
index cb073eb0..56bd08e9 100644
--- a/lib/Models/Finance/CreditNoteResponse.php
+++ b/lib/Models/Finance/CreditNoteResponse.php
@@ -337,7 +337,7 @@ public function setLineItems($line_items)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/CurrentStatementResponse.php b/lib/Models/Finance/CurrentStatementResponse.php
index e34f9289..470d535a 100644
--- a/lib/Models/Finance/CurrentStatementResponse.php
+++ b/lib/Models/Finance/CurrentStatementResponse.php
@@ -403,7 +403,7 @@ public function setImportSourceType($import_source_type)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/DataSourceResponse.php b/lib/Models/Finance/DataSourceResponse.php
index 8ae69a71..c716ec78 100644
--- a/lib/Models/Finance/DataSourceResponse.php
+++ b/lib/Models/Finance/DataSourceResponse.php
@@ -700,7 +700,7 @@ public function setOther($other)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -713,7 +713,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -727,7 +727,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -744,7 +744,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/HistoryRecordResponse.php b/lib/Models/Finance/HistoryRecordResponse.php
index 51e65fce..442b4c5b 100644
--- a/lib/Models/Finance/HistoryRecordResponse.php
+++ b/lib/Models/Finance/HistoryRecordResponse.php
@@ -370,7 +370,7 @@ public function setDetails($details)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/IncomeByContactResponse.php b/lib/Models/Finance/IncomeByContactResponse.php
index f01263a2..a15b950d 100644
--- a/lib/Models/Finance/IncomeByContactResponse.php
+++ b/lib/Models/Finance/IncomeByContactResponse.php
@@ -436,7 +436,7 @@ public function setManualJournals($manual_journals)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -449,7 +449,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -463,7 +463,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -480,7 +480,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/InvoiceResponse.php b/lib/Models/Finance/InvoiceResponse.php
index 1d61288f..c61b3c73 100644
--- a/lib/Models/Finance/InvoiceResponse.php
+++ b/lib/Models/Finance/InvoiceResponse.php
@@ -337,7 +337,7 @@ public function setLineItems($line_items)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/LineItemResponse.php b/lib/Models/Finance/LineItemResponse.php
index 7e0cd6c0..09111f79 100644
--- a/lib/Models/Finance/LineItemResponse.php
+++ b/lib/Models/Finance/LineItemResponse.php
@@ -337,7 +337,7 @@ public function setAccountType($account_type)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/LockHistoryModel.php b/lib/Models/Finance/LockHistoryModel.php
index 35a2e7e1..ce8a94b4 100644
--- a/lib/Models/Finance/LockHistoryModel.php
+++ b/lib/Models/Finance/LockHistoryModel.php
@@ -304,7 +304,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/LockHistoryResponse.php b/lib/Models/Finance/LockHistoryResponse.php
index 993401ed..871e6286 100644
--- a/lib/Models/Finance/LockHistoryResponse.php
+++ b/lib/Models/Finance/LockHistoryResponse.php
@@ -304,7 +304,7 @@ public function setLockDates($lock_dates)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/ManualJournalTotal.php b/lib/Models/Finance/ManualJournalTotal.php
index f1a2211f..2318b7c0 100644
--- a/lib/Models/Finance/ManualJournalTotal.php
+++ b/lib/Models/Finance/ManualJournalTotal.php
@@ -238,7 +238,7 @@ public function setTotal($total)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/OverpaymentResponse.php b/lib/Models/Finance/OverpaymentResponse.php
index 021b251b..cefa6f44 100644
--- a/lib/Models/Finance/OverpaymentResponse.php
+++ b/lib/Models/Finance/OverpaymentResponse.php
@@ -337,7 +337,7 @@ public function setLineItems($line_items)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/PaymentResponse.php b/lib/Models/Finance/PaymentResponse.php
index 30d67250..6ba670e5 100644
--- a/lib/Models/Finance/PaymentResponse.php
+++ b/lib/Models/Finance/PaymentResponse.php
@@ -535,7 +535,7 @@ public function setOverpayment($overpayment)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -548,7 +548,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -562,7 +562,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -579,7 +579,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/PnlAccount.php b/lib/Models/Finance/PnlAccount.php
index 90c93ff5..67d70a4e 100644
--- a/lib/Models/Finance/PnlAccount.php
+++ b/lib/Models/Finance/PnlAccount.php
@@ -403,7 +403,7 @@ public function setTotal($total)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/PnlAccountClass.php b/lib/Models/Finance/PnlAccountClass.php
index 17d308c3..6b1b727b 100644
--- a/lib/Models/Finance/PnlAccountClass.php
+++ b/lib/Models/Finance/PnlAccountClass.php
@@ -271,7 +271,7 @@ public function setAccountTypes($account_types)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/PnlAccountType.php b/lib/Models/Finance/PnlAccountType.php
index d1faffc1..ab3e0d78 100644
--- a/lib/Models/Finance/PnlAccountType.php
+++ b/lib/Models/Finance/PnlAccountType.php
@@ -304,7 +304,7 @@ public function setAccounts($accounts)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/PracticeResponse.php b/lib/Models/Finance/PracticeResponse.php
index d692a29e..46b6434b 100644
--- a/lib/Models/Finance/PracticeResponse.php
+++ b/lib/Models/Finance/PracticeResponse.php
@@ -370,7 +370,7 @@ public function setStaffCertified($staff_certified)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/PrepaymentResponse.php b/lib/Models/Finance/PrepaymentResponse.php
index c4417a65..21faaced 100644
--- a/lib/Models/Finance/PrepaymentResponse.php
+++ b/lib/Models/Finance/PrepaymentResponse.php
@@ -337,7 +337,7 @@ public function setLineItems($line_items)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/Problem.php b/lib/Models/Finance/Problem.php
index 753be349..cd01fa45 100644
--- a/lib/Models/Finance/Problem.php
+++ b/lib/Models/Finance/Problem.php
@@ -337,7 +337,7 @@ public function setDetail($detail)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/ProfitAndLossResponse.php b/lib/Models/Finance/ProfitAndLossResponse.php
index 1c393cbe..726d5ee3 100644
--- a/lib/Models/Finance/ProfitAndLossResponse.php
+++ b/lib/Models/Finance/ProfitAndLossResponse.php
@@ -370,7 +370,7 @@ public function setExpense($expense)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/ReportHistoryModel.php b/lib/Models/Finance/ReportHistoryModel.php
index 47def584..d9ea38d2 100644
--- a/lib/Models/Finance/ReportHistoryModel.php
+++ b/lib/Models/Finance/ReportHistoryModel.php
@@ -304,7 +304,7 @@ public function setPublishedDateUtc($published_date_utc)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/ReportHistoryResponse.php b/lib/Models/Finance/ReportHistoryResponse.php
index a8efe4fc..2776ca3c 100644
--- a/lib/Models/Finance/ReportHistoryResponse.php
+++ b/lib/Models/Finance/ReportHistoryResponse.php
@@ -304,7 +304,7 @@ public function setReports($reports)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/StatementBalanceResponse.php b/lib/Models/Finance/StatementBalanceResponse.php
index 7bce834a..dc9fda46 100644
--- a/lib/Models/Finance/StatementBalanceResponse.php
+++ b/lib/Models/Finance/StatementBalanceResponse.php
@@ -271,7 +271,7 @@ public function setType($type)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/StatementLineResponse.php b/lib/Models/Finance/StatementLineResponse.php
index 89f992b9..d518ae30 100644
--- a/lib/Models/Finance/StatementLineResponse.php
+++ b/lib/Models/Finance/StatementLineResponse.php
@@ -634,7 +634,7 @@ public function setBankTransactions($bank_transactions)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -647,7 +647,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -661,7 +661,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -678,7 +678,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/StatementLinesResponse.php b/lib/Models/Finance/StatementLinesResponse.php
index cdc5b949..bd65ebb6 100644
--- a/lib/Models/Finance/StatementLinesResponse.php
+++ b/lib/Models/Finance/StatementLinesResponse.php
@@ -766,7 +766,7 @@ public function setTotalAmountNeg($total_amount_neg)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -779,7 +779,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -793,7 +793,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -810,7 +810,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/StatementResponse.php b/lib/Models/Finance/StatementResponse.php
index d215c6ff..bb58725e 100644
--- a/lib/Models/Finance/StatementResponse.php
+++ b/lib/Models/Finance/StatementResponse.php
@@ -469,7 +469,7 @@ public function setStatementLines($statement_lines)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -482,7 +482,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -496,7 +496,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -513,7 +513,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/TotalDetail.php b/lib/Models/Finance/TotalDetail.php
index d337e0ba..f7cf3643 100644
--- a/lib/Models/Finance/TotalDetail.php
+++ b/lib/Models/Finance/TotalDetail.php
@@ -304,7 +304,7 @@ public function setTotalCreditedUnApplied($total_credited_un_applied)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/TotalOther.php b/lib/Models/Finance/TotalOther.php
index 5ec7f5d6..a42747c5 100644
--- a/lib/Models/Finance/TotalOther.php
+++ b/lib/Models/Finance/TotalOther.php
@@ -304,7 +304,7 @@ public function setTotalCredited($total_credited)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/TrialBalanceAccount.php b/lib/Models/Finance/TrialBalanceAccount.php
index 5870c742..4e61793a 100644
--- a/lib/Models/Finance/TrialBalanceAccount.php
+++ b/lib/Models/Finance/TrialBalanceAccount.php
@@ -535,7 +535,7 @@ public function setAccountMovement($account_movement)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -548,7 +548,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -562,7 +562,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -579,7 +579,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/TrialBalanceEntry.php b/lib/Models/Finance/TrialBalanceEntry.php
index 36e047f4..3ef934d0 100644
--- a/lib/Models/Finance/TrialBalanceEntry.php
+++ b/lib/Models/Finance/TrialBalanceEntry.php
@@ -271,7 +271,7 @@ public function setEntryType($entry_type)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/TrialBalanceMovement.php b/lib/Models/Finance/TrialBalanceMovement.php
index b379f9f5..830739d1 100644
--- a/lib/Models/Finance/TrialBalanceMovement.php
+++ b/lib/Models/Finance/TrialBalanceMovement.php
@@ -337,7 +337,7 @@ public function setSignedMovement($signed_movement)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/TrialBalanceResponse.php b/lib/Models/Finance/TrialBalanceResponse.php
index bd5bbdb4..7eafdb2b 100644
--- a/lib/Models/Finance/TrialBalanceResponse.php
+++ b/lib/Models/Finance/TrialBalanceResponse.php
@@ -304,7 +304,7 @@ public function setAccounts($accounts)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/UserActivitiesResponse.php b/lib/Models/Finance/UserActivitiesResponse.php
index cb63170b..6ce62a32 100644
--- a/lib/Models/Finance/UserActivitiesResponse.php
+++ b/lib/Models/Finance/UserActivitiesResponse.php
@@ -304,7 +304,7 @@ public function setUsers($users)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/UserResponse.php b/lib/Models/Finance/UserResponse.php
index 098fd0a8..62f4dcd9 100644
--- a/lib/Models/Finance/UserResponse.php
+++ b/lib/Models/Finance/UserResponse.php
@@ -601,7 +601,7 @@ public function setHistoryRecords($history_records)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -614,7 +614,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -628,7 +628,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -645,7 +645,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Identity/AccessToken.php b/lib/Models/Identity/AccessToken.php
index 7fcc2e33..56b41d8d 100644
--- a/lib/Models/Identity/AccessToken.php
+++ b/lib/Models/Identity/AccessToken.php
@@ -370,7 +370,7 @@ public function setRefreshToken($refresh_token)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Identity/Connection.php b/lib/Models/Identity/Connection.php
index 9fb16fc3..f452fb47 100644
--- a/lib/Models/Identity/Connection.php
+++ b/lib/Models/Identity/Connection.php
@@ -436,7 +436,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -449,7 +449,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -463,7 +463,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -480,7 +480,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Identity/RefreshToken.php b/lib/Models/Identity/RefreshToken.php
index 059813f3..33d47a3d 100644
--- a/lib/Models/Identity/RefreshToken.php
+++ b/lib/Models/Identity/RefreshToken.php
@@ -337,7 +337,7 @@ public function setClientSecret($client_secret)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/APIException.php b/lib/Models/PayrollAu/APIException.php
index 9247b719..15e37f91 100644
--- a/lib/Models/PayrollAu/APIException.php
+++ b/lib/Models/PayrollAu/APIException.php
@@ -305,7 +305,7 @@ public function setMessage($message)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -318,7 +318,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -332,7 +332,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -349,7 +349,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/Account.php b/lib/Models/PayrollAu/Account.php
index ff70fc27..ffd97139 100644
--- a/lib/Models/PayrollAu/Account.php
+++ b/lib/Models/PayrollAu/Account.php
@@ -337,7 +337,7 @@ public function setName($name)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/BankAccount.php b/lib/Models/PayrollAu/BankAccount.php
index b4ede26b..d4769f21 100644
--- a/lib/Models/PayrollAu/BankAccount.php
+++ b/lib/Models/PayrollAu/BankAccount.php
@@ -403,7 +403,7 @@ public function setAmount($amount)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/DeductionLine.php b/lib/Models/PayrollAu/DeductionLine.php
index 1aefd82d..05db93c0 100644
--- a/lib/Models/PayrollAu/DeductionLine.php
+++ b/lib/Models/PayrollAu/DeductionLine.php
@@ -373,7 +373,7 @@ public function setNumberOfUnits($number_of_units)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -386,7 +386,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -400,7 +400,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -417,7 +417,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/DeductionType.php b/lib/Models/PayrollAu/DeductionType.php
index ae3ff920..4bad967d 100644
--- a/lib/Models/PayrollAu/DeductionType.php
+++ b/lib/Models/PayrollAu/DeductionType.php
@@ -551,7 +551,7 @@ public function setCurrentRecord($current_record)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -564,7 +564,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -578,7 +578,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -595,7 +595,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/EarningsLine.php b/lib/Models/PayrollAu/EarningsLine.php
index 17eea6db..d0b746e8 100644
--- a/lib/Models/PayrollAu/EarningsLine.php
+++ b/lib/Models/PayrollAu/EarningsLine.php
@@ -505,7 +505,7 @@ public function setFixedAmount($fixed_amount)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -518,7 +518,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -532,7 +532,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -549,7 +549,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/EarningsRate.php b/lib/Models/PayrollAu/EarningsRate.php
index 9e838988..8e8f0ea7 100644
--- a/lib/Models/PayrollAu/EarningsRate.php
+++ b/lib/Models/PayrollAu/EarningsRate.php
@@ -822,7 +822,7 @@ public function setAllowanceCategory($allowance_category)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -835,7 +835,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -849,7 +849,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -866,7 +866,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/Employee.php b/lib/Models/PayrollAu/Employee.php
index 265af4a6..4994a17e 100644
--- a/lib/Models/PayrollAu/Employee.php
+++ b/lib/Models/PayrollAu/Employee.php
@@ -1433,7 +1433,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1446,7 +1446,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1460,7 +1460,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1477,7 +1477,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/Employees.php b/lib/Models/PayrollAu/Employees.php
index 556b5da8..9f3a4964 100644
--- a/lib/Models/PayrollAu/Employees.php
+++ b/lib/Models/PayrollAu/Employees.php
@@ -238,7 +238,7 @@ public function setEmployees($employees)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['employees'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['employees'][$offset]) ? $this->container['employees'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['employees'][$offset]);
diff --git a/lib/Models/PayrollAu/HomeAddress.php b/lib/Models/PayrollAu/HomeAddress.php
index 8d8df468..3ab4bef5 100644
--- a/lib/Models/PayrollAu/HomeAddress.php
+++ b/lib/Models/PayrollAu/HomeAddress.php
@@ -406,7 +406,7 @@ public function setCountry($country)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -419,7 +419,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -433,7 +433,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -450,7 +450,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/LeaveAccrualLine.php b/lib/Models/PayrollAu/LeaveAccrualLine.php
index 9417dca4..2a501e36 100644
--- a/lib/Models/PayrollAu/LeaveAccrualLine.php
+++ b/lib/Models/PayrollAu/LeaveAccrualLine.php
@@ -304,7 +304,7 @@ public function setAutoCalculate($auto_calculate)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/LeaveApplication.php b/lib/Models/PayrollAu/LeaveApplication.php
index 2dd132c1..ea92218b 100644
--- a/lib/Models/PayrollAu/LeaveApplication.php
+++ b/lib/Models/PayrollAu/LeaveApplication.php
@@ -594,7 +594,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -607,7 +607,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -621,7 +621,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -638,7 +638,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/LeaveApplications.php b/lib/Models/PayrollAu/LeaveApplications.php
index 5340811c..35a7ccb1 100644
--- a/lib/Models/PayrollAu/LeaveApplications.php
+++ b/lib/Models/PayrollAu/LeaveApplications.php
@@ -238,7 +238,7 @@ public function setLeaveApplications($leave_applications)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['leave_applications'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['leave_applications'][$offset]) ? $this->container['leave_applications'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['leave_applications'][$offset]);
diff --git a/lib/Models/PayrollAu/LeaveBalance.php b/lib/Models/PayrollAu/LeaveBalance.php
index 2b943f2d..2bc8ff6b 100644
--- a/lib/Models/PayrollAu/LeaveBalance.php
+++ b/lib/Models/PayrollAu/LeaveBalance.php
@@ -337,7 +337,7 @@ public function setTypeOfUnits($type_of_units)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/LeaveEarningsLine.php b/lib/Models/PayrollAu/LeaveEarningsLine.php
index 49123259..55488e0f 100644
--- a/lib/Models/PayrollAu/LeaveEarningsLine.php
+++ b/lib/Models/PayrollAu/LeaveEarningsLine.php
@@ -304,7 +304,7 @@ public function setNumberOfUnits($number_of_units)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/LeaveLine.php b/lib/Models/PayrollAu/LeaveLine.php
index 0a4eee91..3889dcb1 100644
--- a/lib/Models/PayrollAu/LeaveLine.php
+++ b/lib/Models/PayrollAu/LeaveLine.php
@@ -469,7 +469,7 @@ public function setFullTimeNumberOfUnitsPerPeriod($full_time_number_of_units_per
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -482,7 +482,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -496,7 +496,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -513,7 +513,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/LeaveLines.php b/lib/Models/PayrollAu/LeaveLines.php
index d2a30e09..161c03f3 100644
--- a/lib/Models/PayrollAu/LeaveLines.php
+++ b/lib/Models/PayrollAu/LeaveLines.php
@@ -239,7 +239,7 @@ public function setEmployee($employee)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['employee'][$offset]);
@@ -252,7 +252,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['employee'][$offset]) ? $this->container['employee'][$offset] : null;
@@ -266,7 +266,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -283,7 +283,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['employee'][$offset]);
diff --git a/lib/Models/PayrollAu/LeavePeriod.php b/lib/Models/PayrollAu/LeavePeriod.php
index a2277575..4b6f5f37 100644
--- a/lib/Models/PayrollAu/LeavePeriod.php
+++ b/lib/Models/PayrollAu/LeavePeriod.php
@@ -389,7 +389,7 @@ public function setLeavePeriodStatus($leave_period_status)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -402,7 +402,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -416,7 +416,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -433,7 +433,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/LeaveType.php b/lib/Models/PayrollAu/LeaveType.php
index 4d4b7392..edd7697b 100644
--- a/lib/Models/PayrollAu/LeaveType.php
+++ b/lib/Models/PayrollAu/LeaveType.php
@@ -517,7 +517,7 @@ public function setCurrentRecord($current_record)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -530,7 +530,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -544,7 +544,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -561,7 +561,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/OpeningBalances.php b/lib/Models/PayrollAu/OpeningBalances.php
index ba0cc81f..dc6c363d 100644
--- a/lib/Models/PayrollAu/OpeningBalances.php
+++ b/lib/Models/PayrollAu/OpeningBalances.php
@@ -462,7 +462,7 @@ public function setLeaveLines($leave_lines)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -475,7 +475,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -489,7 +489,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -506,7 +506,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/PayItem.php b/lib/Models/PayrollAu/PayItem.php
index 76905107..a35e0346 100644
--- a/lib/Models/PayrollAu/PayItem.php
+++ b/lib/Models/PayrollAu/PayItem.php
@@ -337,7 +337,7 @@ public function setReimbursementTypes($reimbursement_types)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/PayItems.php b/lib/Models/PayrollAu/PayItems.php
index ee628223..cd6274a9 100644
--- a/lib/Models/PayrollAu/PayItems.php
+++ b/lib/Models/PayrollAu/PayItems.php
@@ -238,7 +238,7 @@ public function setPayItems($pay_items)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['pay_items'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['pay_items'][$offset]) ? $this->container['pay_items'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['pay_items'][$offset]);
diff --git a/lib/Models/PayrollAu/PayRun.php b/lib/Models/PayrollAu/PayRun.php
index a1936428..f57c77bf 100644
--- a/lib/Models/PayrollAu/PayRun.php
+++ b/lib/Models/PayrollAu/PayRun.php
@@ -821,7 +821,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -834,7 +834,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -848,7 +848,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -865,7 +865,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/PayRuns.php b/lib/Models/PayrollAu/PayRuns.php
index ff5035e4..9c9349b3 100644
--- a/lib/Models/PayrollAu/PayRuns.php
+++ b/lib/Models/PayrollAu/PayRuns.php
@@ -238,7 +238,7 @@ public function setPayRuns($pay_runs)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['pay_runs'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['pay_runs'][$offset]) ? $this->container['pay_runs'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['pay_runs'][$offset]);
diff --git a/lib/Models/PayrollAu/PayTemplate.php b/lib/Models/PayrollAu/PayTemplate.php
index 66bf35ad..55a22bcf 100644
--- a/lib/Models/PayrollAu/PayTemplate.php
+++ b/lib/Models/PayrollAu/PayTemplate.php
@@ -370,7 +370,7 @@ public function setLeaveLines($leave_lines)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/PayrollCalendar.php b/lib/Models/PayrollAu/PayrollCalendar.php
index 3fb3acec..e5408a0f 100644
--- a/lib/Models/PayrollAu/PayrollCalendar.php
+++ b/lib/Models/PayrollAu/PayrollCalendar.php
@@ -554,7 +554,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -567,7 +567,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -581,7 +581,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -598,7 +598,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/PayrollCalendars.php b/lib/Models/PayrollAu/PayrollCalendars.php
index a867aca5..9bbaf4df 100644
--- a/lib/Models/PayrollAu/PayrollCalendars.php
+++ b/lib/Models/PayrollAu/PayrollCalendars.php
@@ -238,7 +238,7 @@ public function setPayrollCalendars($payroll_calendars)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['payroll_calendars'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['payroll_calendars'][$offset]) ? $this->container['payroll_calendars'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['payroll_calendars'][$offset]);
diff --git a/lib/Models/PayrollAu/Payslip.php b/lib/Models/PayrollAu/Payslip.php
index 5528229b..7abea4dd 100644
--- a/lib/Models/PayrollAu/Payslip.php
+++ b/lib/Models/PayrollAu/Payslip.php
@@ -839,7 +839,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -852,7 +852,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -866,7 +866,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -883,7 +883,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/PayslipLines.php b/lib/Models/PayrollAu/PayslipLines.php
index d3168ead..63fef765 100644
--- a/lib/Models/PayrollAu/PayslipLines.php
+++ b/lib/Models/PayrollAu/PayslipLines.php
@@ -469,7 +469,7 @@ public function setTaxLines($tax_lines)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -482,7 +482,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -496,7 +496,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -513,7 +513,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/PayslipObject.php b/lib/Models/PayrollAu/PayslipObject.php
index fba95d26..45839f2c 100644
--- a/lib/Models/PayrollAu/PayslipObject.php
+++ b/lib/Models/PayrollAu/PayslipObject.php
@@ -238,7 +238,7 @@ public function setPayslip($payslip)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/PayslipSummary.php b/lib/Models/PayrollAu/PayslipSummary.php
index b5d4f6fe..17b16b61 100644
--- a/lib/Models/PayrollAu/PayslipSummary.php
+++ b/lib/Models/PayrollAu/PayslipSummary.php
@@ -608,7 +608,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -621,7 +621,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -635,7 +635,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -652,7 +652,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/Payslips.php b/lib/Models/PayrollAu/Payslips.php
index b4bdce59..95e8a1a1 100644
--- a/lib/Models/PayrollAu/Payslips.php
+++ b/lib/Models/PayrollAu/Payslips.php
@@ -238,7 +238,7 @@ public function setPayslips($payslips)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['payslips'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['payslips'][$offset]) ? $this->container['payslips'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['payslips'][$offset]);
diff --git a/lib/Models/PayrollAu/ReimbursementLine.php b/lib/Models/PayrollAu/ReimbursementLine.php
index bdf9d0bd..0074c926 100644
--- a/lib/Models/PayrollAu/ReimbursementLine.php
+++ b/lib/Models/PayrollAu/ReimbursementLine.php
@@ -345,7 +345,7 @@ public function setExpenseAccount($expense_account)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -358,7 +358,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -372,7 +372,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -389,7 +389,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/ReimbursementLines.php b/lib/Models/PayrollAu/ReimbursementLines.php
index 6e6b3d99..85a20906 100644
--- a/lib/Models/PayrollAu/ReimbursementLines.php
+++ b/lib/Models/PayrollAu/ReimbursementLines.php
@@ -239,7 +239,7 @@ public function setReimbursementLines($reimbursement_lines)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['reimbursement_lines'][$offset]);
@@ -252,7 +252,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['reimbursement_lines'][$offset]) ? $this->container['reimbursement_lines'][$offset] : null;
@@ -266,7 +266,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -283,7 +283,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['reimbursement_lines'][$offset]);
diff --git a/lib/Models/PayrollAu/ReimbursementType.php b/lib/Models/PayrollAu/ReimbursementType.php
index 11e83f6b..f943b524 100644
--- a/lib/Models/PayrollAu/ReimbursementType.php
+++ b/lib/Models/PayrollAu/ReimbursementType.php
@@ -385,7 +385,7 @@ public function setCurrentRecord($current_record)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -398,7 +398,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -412,7 +412,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -429,7 +429,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/Settings.php b/lib/Models/PayrollAu/Settings.php
index 349770c3..bfb1b543 100644
--- a/lib/Models/PayrollAu/Settings.php
+++ b/lib/Models/PayrollAu/Settings.php
@@ -304,7 +304,7 @@ public function setDaysInPayrollYear($days_in_payroll_year)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/SettingsObject.php b/lib/Models/PayrollAu/SettingsObject.php
index 841b87c5..f0429913 100644
--- a/lib/Models/PayrollAu/SettingsObject.php
+++ b/lib/Models/PayrollAu/SettingsObject.php
@@ -238,7 +238,7 @@ public function setSettings($settings)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/SettingsTrackingCategories.php b/lib/Models/PayrollAu/SettingsTrackingCategories.php
index 01dbdc31..2c0ec273 100644
--- a/lib/Models/PayrollAu/SettingsTrackingCategories.php
+++ b/lib/Models/PayrollAu/SettingsTrackingCategories.php
@@ -272,7 +272,7 @@ public function setTimesheetCategories($timesheet_categories)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -285,7 +285,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -299,7 +299,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -316,7 +316,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/SettingsTrackingCategoriesEmployeeGroups.php b/lib/Models/PayrollAu/SettingsTrackingCategoriesEmployeeGroups.php
index e0215e20..f298402f 100644
--- a/lib/Models/PayrollAu/SettingsTrackingCategoriesEmployeeGroups.php
+++ b/lib/Models/PayrollAu/SettingsTrackingCategoriesEmployeeGroups.php
@@ -272,7 +272,7 @@ public function setTrackingCategoryName($tracking_category_name)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -285,7 +285,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -299,7 +299,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -316,7 +316,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/SettingsTrackingCategoriesTimesheetCategories.php b/lib/Models/PayrollAu/SettingsTrackingCategoriesTimesheetCategories.php
index 71b16597..9290a27c 100644
--- a/lib/Models/PayrollAu/SettingsTrackingCategoriesTimesheetCategories.php
+++ b/lib/Models/PayrollAu/SettingsTrackingCategoriesTimesheetCategories.php
@@ -272,7 +272,7 @@ public function setTrackingCategoryName($tracking_category_name)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -285,7 +285,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -299,7 +299,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -316,7 +316,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/SuperFund.php b/lib/Models/PayrollAu/SuperFund.php
index f6d6a2ab..10c62dda 100644
--- a/lib/Models/PayrollAu/SuperFund.php
+++ b/lib/Models/PayrollAu/SuperFund.php
@@ -644,7 +644,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -657,7 +657,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -671,7 +671,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -688,7 +688,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/SuperFundProduct.php b/lib/Models/PayrollAu/SuperFundProduct.php
index 1b0e4935..05b3924f 100644
--- a/lib/Models/PayrollAu/SuperFundProduct.php
+++ b/lib/Models/PayrollAu/SuperFundProduct.php
@@ -337,7 +337,7 @@ public function setProductName($product_name)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/SuperFundProducts.php b/lib/Models/PayrollAu/SuperFundProducts.php
index d51eba9f..7a5212db 100644
--- a/lib/Models/PayrollAu/SuperFundProducts.php
+++ b/lib/Models/PayrollAu/SuperFundProducts.php
@@ -238,7 +238,7 @@ public function setSuperFundProducts($super_fund_products)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['super_fund_products'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['super_fund_products'][$offset]) ? $this->container['super_fund_products'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['super_fund_products'][$offset]);
diff --git a/lib/Models/PayrollAu/SuperFunds.php b/lib/Models/PayrollAu/SuperFunds.php
index b1fab5b8..7d23623d 100644
--- a/lib/Models/PayrollAu/SuperFunds.php
+++ b/lib/Models/PayrollAu/SuperFunds.php
@@ -238,7 +238,7 @@ public function setSuperFunds($super_funds)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['super_funds'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['super_funds'][$offset]) ? $this->container['super_funds'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['super_funds'][$offset]);
diff --git a/lib/Models/PayrollAu/SuperLine.php b/lib/Models/PayrollAu/SuperLine.php
index 82278d99..bdaccfa5 100644
--- a/lib/Models/PayrollAu/SuperLine.php
+++ b/lib/Models/PayrollAu/SuperLine.php
@@ -469,7 +469,7 @@ public function setAmount($amount)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -482,7 +482,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -496,7 +496,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -513,7 +513,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/SuperMembership.php b/lib/Models/PayrollAu/SuperMembership.php
index 8de3845b..3529f927 100644
--- a/lib/Models/PayrollAu/SuperMembership.php
+++ b/lib/Models/PayrollAu/SuperMembership.php
@@ -310,7 +310,7 @@ public function setEmployeeNumber($employee_number)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -323,7 +323,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -337,7 +337,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -354,7 +354,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/SuperannuationLine.php b/lib/Models/PayrollAu/SuperannuationLine.php
index 143d342e..c32c8a63 100644
--- a/lib/Models/PayrollAu/SuperannuationLine.php
+++ b/lib/Models/PayrollAu/SuperannuationLine.php
@@ -528,7 +528,7 @@ public function setAmount($amount)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -541,7 +541,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -555,7 +555,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -572,7 +572,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/TaxDeclaration.php b/lib/Models/PayrollAu/TaxDeclaration.php
index a6ec7076..82cf879a 100644
--- a/lib/Models/PayrollAu/TaxDeclaration.php
+++ b/lib/Models/PayrollAu/TaxDeclaration.php
@@ -740,7 +740,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -753,7 +753,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -767,7 +767,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -784,7 +784,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/TaxLine.php b/lib/Models/PayrollAu/TaxLine.php
index 0010eb83..0cd59dc2 100644
--- a/lib/Models/PayrollAu/TaxLine.php
+++ b/lib/Models/PayrollAu/TaxLine.php
@@ -403,7 +403,7 @@ public function setLiabilityAccount($liability_account)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/Timesheet.php b/lib/Models/PayrollAu/Timesheet.php
index 1cf71220..992bf17e 100644
--- a/lib/Models/PayrollAu/Timesheet.php
+++ b/lib/Models/PayrollAu/Timesheet.php
@@ -570,7 +570,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -583,7 +583,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -597,7 +597,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -614,7 +614,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/TimesheetLine.php b/lib/Models/PayrollAu/TimesheetLine.php
index c273b524..db3ade21 100644
--- a/lib/Models/PayrollAu/TimesheetLine.php
+++ b/lib/Models/PayrollAu/TimesheetLine.php
@@ -344,7 +344,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -357,7 +357,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -371,7 +371,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -388,7 +388,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/TimesheetObject.php b/lib/Models/PayrollAu/TimesheetObject.php
index 0d753754..4ce6dfaa 100644
--- a/lib/Models/PayrollAu/TimesheetObject.php
+++ b/lib/Models/PayrollAu/TimesheetObject.php
@@ -238,7 +238,7 @@ public function setTimesheet($timesheet)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/Timesheets.php b/lib/Models/PayrollAu/Timesheets.php
index 85a770e7..a0d5e506 100644
--- a/lib/Models/PayrollAu/Timesheets.php
+++ b/lib/Models/PayrollAu/Timesheets.php
@@ -238,7 +238,7 @@ public function setTimesheets($timesheets)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['timesheets'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['timesheets'][$offset]) ? $this->container['timesheets'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['timesheets'][$offset]);
diff --git a/lib/Models/PayrollAu/ValidationError.php b/lib/Models/PayrollAu/ValidationError.php
index 8f2f4bcf..1c1347f9 100644
--- a/lib/Models/PayrollAu/ValidationError.php
+++ b/lib/Models/PayrollAu/ValidationError.php
@@ -238,7 +238,7 @@ public function setMessage($message)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Account.php b/lib/Models/PayrollNz/Account.php
index 5a6cab57..b5d03c54 100644
--- a/lib/Models/PayrollNz/Account.php
+++ b/lib/Models/PayrollNz/Account.php
@@ -373,7 +373,7 @@ public function setName($name)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -386,7 +386,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -400,7 +400,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -417,7 +417,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Accounts.php b/lib/Models/PayrollNz/Accounts.php
index 795a4bc4..83c9fe28 100644
--- a/lib/Models/PayrollNz/Accounts.php
+++ b/lib/Models/PayrollNz/Accounts.php
@@ -238,7 +238,7 @@ public function setAccounts($accounts)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Address.php b/lib/Models/PayrollNz/Address.php
index 9e2c0f81..74e2ca29 100644
--- a/lib/Models/PayrollNz/Address.php
+++ b/lib/Models/PayrollNz/Address.php
@@ -412,7 +412,7 @@ public function setCountryName($country_name)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -425,7 +425,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -439,7 +439,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -456,7 +456,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/BankAccount.php b/lib/Models/PayrollNz/BankAccount.php
index 6184024d..9c7b11da 100644
--- a/lib/Models/PayrollNz/BankAccount.php
+++ b/lib/Models/PayrollNz/BankAccount.php
@@ -510,7 +510,7 @@ public function setCalculationType($calculation_type)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -523,7 +523,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -537,7 +537,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -554,7 +554,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Benefit.php b/lib/Models/PayrollNz/Benefit.php
index 20471d06..2072e580 100644
--- a/lib/Models/PayrollNz/Benefit.php
+++ b/lib/Models/PayrollNz/Benefit.php
@@ -613,7 +613,7 @@ public function setCurrentRecord($current_record)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -626,7 +626,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -640,7 +640,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -657,7 +657,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Deduction.php b/lib/Models/PayrollNz/Deduction.php
index 40902614..a8db861f 100644
--- a/lib/Models/PayrollNz/Deduction.php
+++ b/lib/Models/PayrollNz/Deduction.php
@@ -448,7 +448,7 @@ public function setStandardAmount($standard_amount)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -461,7 +461,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -475,7 +475,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -492,7 +492,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/DeductionLine.php b/lib/Models/PayrollNz/DeductionLine.php
index 53aef367..4fc8e378 100644
--- a/lib/Models/PayrollNz/DeductionLine.php
+++ b/lib/Models/PayrollNz/DeductionLine.php
@@ -370,7 +370,7 @@ public function setPercentage($percentage)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/DeductionObject.php b/lib/Models/PayrollNz/DeductionObject.php
index ca4e944a..f9c67d80 100644
--- a/lib/Models/PayrollNz/DeductionObject.php
+++ b/lib/Models/PayrollNz/DeductionObject.php
@@ -304,7 +304,7 @@ public function setDeduction($deduction)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Deductions.php b/lib/Models/PayrollNz/Deductions.php
index a4d00a53..db3f42e5 100644
--- a/lib/Models/PayrollNz/Deductions.php
+++ b/lib/Models/PayrollNz/Deductions.php
@@ -304,7 +304,7 @@ public function setDeductions($deductions)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EarningsLine.php b/lib/Models/PayrollNz/EarningsLine.php
index 1e5746c7..2add6a99 100644
--- a/lib/Models/PayrollNz/EarningsLine.php
+++ b/lib/Models/PayrollNz/EarningsLine.php
@@ -535,7 +535,7 @@ public function setIsSystemGenerated($is_system_generated)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -548,7 +548,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -562,7 +562,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -579,7 +579,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EarningsOrder.php b/lib/Models/PayrollNz/EarningsOrder.php
index c5404d38..e9ea0dd8 100644
--- a/lib/Models/PayrollNz/EarningsOrder.php
+++ b/lib/Models/PayrollNz/EarningsOrder.php
@@ -373,7 +373,7 @@ public function setCurrentRecord($current_record)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -386,7 +386,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -400,7 +400,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -417,7 +417,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EarningsOrderObject.php b/lib/Models/PayrollNz/EarningsOrderObject.php
index 5da98e94..ed0c5c99 100644
--- a/lib/Models/PayrollNz/EarningsOrderObject.php
+++ b/lib/Models/PayrollNz/EarningsOrderObject.php
@@ -304,7 +304,7 @@ public function setStatutoryDeduction($statutory_deduction)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EarningsOrders.php b/lib/Models/PayrollNz/EarningsOrders.php
index d88b59d1..40290696 100644
--- a/lib/Models/PayrollNz/EarningsOrders.php
+++ b/lib/Models/PayrollNz/EarningsOrders.php
@@ -304,7 +304,7 @@ public function setStatutoryDeductions($statutory_deductions)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EarningsRate.php b/lib/Models/PayrollNz/EarningsRate.php
index cbce2e26..a4c1a4c8 100644
--- a/lib/Models/PayrollNz/EarningsRate.php
+++ b/lib/Models/PayrollNz/EarningsRate.php
@@ -642,7 +642,7 @@ public function setFixedAmount($fixed_amount)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -655,7 +655,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -669,7 +669,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -686,7 +686,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EarningsRateObject.php b/lib/Models/PayrollNz/EarningsRateObject.php
index 49790271..ef4c5e71 100644
--- a/lib/Models/PayrollNz/EarningsRateObject.php
+++ b/lib/Models/PayrollNz/EarningsRateObject.php
@@ -304,7 +304,7 @@ public function setEarningsRate($earnings_rate)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EarningsRates.php b/lib/Models/PayrollNz/EarningsRates.php
index 1f864c62..14860aa2 100644
--- a/lib/Models/PayrollNz/EarningsRates.php
+++ b/lib/Models/PayrollNz/EarningsRates.php
@@ -304,7 +304,7 @@ public function setEarningsRates($earnings_rates)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EarningsTemplate.php b/lib/Models/PayrollNz/EarningsTemplate.php
index 41e58edf..abddf576 100644
--- a/lib/Models/PayrollNz/EarningsTemplate.php
+++ b/lib/Models/PayrollNz/EarningsTemplate.php
@@ -403,7 +403,7 @@ public function setName($name)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EarningsTemplateObject.php b/lib/Models/PayrollNz/EarningsTemplateObject.php
index a007f855..add4919b 100644
--- a/lib/Models/PayrollNz/EarningsTemplateObject.php
+++ b/lib/Models/PayrollNz/EarningsTemplateObject.php
@@ -304,7 +304,7 @@ public function setEarningTemplate($earning_template)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Employee.php b/lib/Models/PayrollNz/Employee.php
index fcdee27a..3220e8d3 100644
--- a/lib/Models/PayrollNz/Employee.php
+++ b/lib/Models/PayrollNz/Employee.php
@@ -699,7 +699,7 @@ public function setCreatedDateUtc($created_date_utc)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -712,7 +712,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -726,7 +726,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -743,7 +743,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeEarningsTemplates.php b/lib/Models/PayrollNz/EmployeeEarningsTemplates.php
index 962fe17c..5c0c0031 100644
--- a/lib/Models/PayrollNz/EmployeeEarningsTemplates.php
+++ b/lib/Models/PayrollNz/EmployeeEarningsTemplates.php
@@ -304,7 +304,7 @@ public function setEarningTemplates($earning_templates)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeave.php b/lib/Models/PayrollNz/EmployeeLeave.php
index 5df1b217..69daa5bd 100644
--- a/lib/Models/PayrollNz/EmployeeLeave.php
+++ b/lib/Models/PayrollNz/EmployeeLeave.php
@@ -448,7 +448,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -461,7 +461,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -475,7 +475,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -492,7 +492,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeaveBalance.php b/lib/Models/PayrollNz/EmployeeLeaveBalance.php
index 294a86a3..f7b836dc 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveBalance.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveBalance.php
@@ -337,7 +337,7 @@ public function setTypeOfUnits($type_of_units)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeaveBalances.php b/lib/Models/PayrollNz/EmployeeLeaveBalances.php
index 611ea12a..bc48ea84 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveBalances.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveBalances.php
@@ -304,7 +304,7 @@ public function setLeaveBalances($leave_balances)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeaveObject.php b/lib/Models/PayrollNz/EmployeeLeaveObject.php
index 94e9139c..9bb2549c 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveObject.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveObject.php
@@ -304,7 +304,7 @@ public function setLeave($leave)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeaveSetup.php b/lib/Models/PayrollNz/EmployeeLeaveSetup.php
index 7e9d0e0b..48afa107 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveSetup.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveSetup.php
@@ -436,7 +436,7 @@ public function setSickLeaveOpeningBalance($sick_leave_opening_balance)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -449,7 +449,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -463,7 +463,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -480,7 +480,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeaveSetupObject.php b/lib/Models/PayrollNz/EmployeeLeaveSetupObject.php
index bd28d18f..cc552c11 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveSetupObject.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveSetupObject.php
@@ -304,7 +304,7 @@ public function setLeaveSetup($leave_setup)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeaveType.php b/lib/Models/PayrollNz/EmployeeLeaveType.php
index 098ed125..29998c58 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveType.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveType.php
@@ -571,7 +571,7 @@ public function setAnnualLeaveTotalAmountPaid($annual_leave_total_amount_paid)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -584,7 +584,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -598,7 +598,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -615,7 +615,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeaveTypeObject.php b/lib/Models/PayrollNz/EmployeeLeaveTypeObject.php
index 5acec379..78164db4 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveTypeObject.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveTypeObject.php
@@ -304,7 +304,7 @@ public function setLeaveType($leave_type)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeaveTypes.php b/lib/Models/PayrollNz/EmployeeLeaveTypes.php
index 2b661088..7421bb7f 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveTypes.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveTypes.php
@@ -304,7 +304,7 @@ public function setLeaveTypes($leave_types)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeaves.php b/lib/Models/PayrollNz/EmployeeLeaves.php
index 349f4bec..b1e4b010 100644
--- a/lib/Models/PayrollNz/EmployeeLeaves.php
+++ b/lib/Models/PayrollNz/EmployeeLeaves.php
@@ -304,7 +304,7 @@ public function setLeave($leave)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeObject.php b/lib/Models/PayrollNz/EmployeeObject.php
index e9a81290..daa00a0c 100644
--- a/lib/Models/PayrollNz/EmployeeObject.php
+++ b/lib/Models/PayrollNz/EmployeeObject.php
@@ -304,7 +304,7 @@ public function setProblem($problem)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeOpeningBalance.php b/lib/Models/PayrollNz/EmployeeOpeningBalance.php
index ed0ef8eb..ee5ed3cf 100644
--- a/lib/Models/PayrollNz/EmployeeOpeningBalance.php
+++ b/lib/Models/PayrollNz/EmployeeOpeningBalance.php
@@ -337,7 +337,7 @@ public function setGrossEarnings($gross_earnings)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeOpeningBalancesObject.php b/lib/Models/PayrollNz/EmployeeOpeningBalancesObject.php
index 40955e10..ed49cac8 100644
--- a/lib/Models/PayrollNz/EmployeeOpeningBalancesObject.php
+++ b/lib/Models/PayrollNz/EmployeeOpeningBalancesObject.php
@@ -304,7 +304,7 @@ public function setOpeningBalances($opening_balances)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeePayTemplate.php b/lib/Models/PayrollNz/EmployeePayTemplate.php
index 152188d4..a7b958f0 100644
--- a/lib/Models/PayrollNz/EmployeePayTemplate.php
+++ b/lib/Models/PayrollNz/EmployeePayTemplate.php
@@ -271,7 +271,7 @@ public function setEarningTemplates($earning_templates)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeePayTemplateObject.php b/lib/Models/PayrollNz/EmployeePayTemplateObject.php
index 2112bb61..3400c680 100644
--- a/lib/Models/PayrollNz/EmployeePayTemplateObject.php
+++ b/lib/Models/PayrollNz/EmployeePayTemplateObject.php
@@ -304,7 +304,7 @@ public function setPayTemplate($pay_template)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeePayTemplates.php b/lib/Models/PayrollNz/EmployeePayTemplates.php
index c21ee495..4a9e1fc3 100644
--- a/lib/Models/PayrollNz/EmployeePayTemplates.php
+++ b/lib/Models/PayrollNz/EmployeePayTemplates.php
@@ -304,7 +304,7 @@ public function setPayTemplate($pay_template)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalance.php b/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalance.php
index e5753d1a..c619656d 100644
--- a/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalance.php
+++ b/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalance.php
@@ -372,7 +372,7 @@ public function setUnits($units)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -385,7 +385,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -399,7 +399,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -416,7 +416,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalanceObject.php b/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalanceObject.php
index 9cbce758..2efe9ee4 100644
--- a/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalanceObject.php
+++ b/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalanceObject.php
@@ -304,7 +304,7 @@ public function setLeaveBalance($leave_balance)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeStatutoryLeaveSummary.php b/lib/Models/PayrollNz/EmployeeStatutoryLeaveSummary.php
index 26db9472..39d65dc2 100644
--- a/lib/Models/PayrollNz/EmployeeStatutoryLeaveSummary.php
+++ b/lib/Models/PayrollNz/EmployeeStatutoryLeaveSummary.php
@@ -508,7 +508,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -521,7 +521,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -535,7 +535,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -552,7 +552,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeStatutoryLeavesSummaries.php b/lib/Models/PayrollNz/EmployeeStatutoryLeavesSummaries.php
index 21f5d801..f157053f 100644
--- a/lib/Models/PayrollNz/EmployeeStatutoryLeavesSummaries.php
+++ b/lib/Models/PayrollNz/EmployeeStatutoryLeavesSummaries.php
@@ -304,7 +304,7 @@ public function setStatutoryLeaves($statutory_leaves)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeStatutorySickLeave.php b/lib/Models/PayrollNz/EmployeeStatutorySickLeave.php
index f9c63459..2b9c372e 100644
--- a/lib/Models/PayrollNz/EmployeeStatutorySickLeave.php
+++ b/lib/Models/PayrollNz/EmployeeStatutorySickLeave.php
@@ -786,7 +786,7 @@ public function setEntitlementFailureReasons($entitlement_failure_reasons)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -799,7 +799,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -813,7 +813,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -830,7 +830,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeStatutorySickLeaveObject.php b/lib/Models/PayrollNz/EmployeeStatutorySickLeaveObject.php
index a83e9815..a772bded 100644
--- a/lib/Models/PayrollNz/EmployeeStatutorySickLeaveObject.php
+++ b/lib/Models/PayrollNz/EmployeeStatutorySickLeaveObject.php
@@ -304,7 +304,7 @@ public function setStatutorySickLeave($statutory_sick_leave)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeStatutorySickLeaves.php b/lib/Models/PayrollNz/EmployeeStatutorySickLeaves.php
index e9cc1b65..3468fe90 100644
--- a/lib/Models/PayrollNz/EmployeeStatutorySickLeaves.php
+++ b/lib/Models/PayrollNz/EmployeeStatutorySickLeaves.php
@@ -304,7 +304,7 @@ public function setStatutorySickLeave($statutory_sick_leave)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeTax.php b/lib/Models/PayrollNz/EmployeeTax.php
index 9b260a6b..e7110a05 100644
--- a/lib/Models/PayrollNz/EmployeeTax.php
+++ b/lib/Models/PayrollNz/EmployeeTax.php
@@ -771,7 +771,7 @@ public function setStudentLoanAsAt($student_loan_as_at)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -784,7 +784,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -798,7 +798,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -815,7 +815,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeTaxObject.php b/lib/Models/PayrollNz/EmployeeTaxObject.php
index bba03b0a..353f0222 100644
--- a/lib/Models/PayrollNz/EmployeeTaxObject.php
+++ b/lib/Models/PayrollNz/EmployeeTaxObject.php
@@ -304,7 +304,7 @@ public function setEmployeeTax($employee_tax)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Employees.php b/lib/Models/PayrollNz/Employees.php
index f0154305..3320fed9 100644
--- a/lib/Models/PayrollNz/Employees.php
+++ b/lib/Models/PayrollNz/Employees.php
@@ -304,7 +304,7 @@ public function setEmployees($employees)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Employment.php b/lib/Models/PayrollNz/Employment.php
index 2d4dd016..75c13ea0 100644
--- a/lib/Models/PayrollNz/Employment.php
+++ b/lib/Models/PayrollNz/Employment.php
@@ -304,7 +304,7 @@ public function setStartDate($start_date)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmploymentObject.php b/lib/Models/PayrollNz/EmploymentObject.php
index 0bc59da3..87472805 100644
--- a/lib/Models/PayrollNz/EmploymentObject.php
+++ b/lib/Models/PayrollNz/EmploymentObject.php
@@ -304,7 +304,7 @@ public function setEmployment($employment)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/GrossEarningsHistory.php b/lib/Models/PayrollNz/GrossEarningsHistory.php
index ed73e9bb..43e3fccb 100644
--- a/lib/Models/PayrollNz/GrossEarningsHistory.php
+++ b/lib/Models/PayrollNz/GrossEarningsHistory.php
@@ -271,7 +271,7 @@ public function setUnpaidWeeks($unpaid_weeks)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/InvalidField.php b/lib/Models/PayrollNz/InvalidField.php
index dcef2db2..efec5336 100644
--- a/lib/Models/PayrollNz/InvalidField.php
+++ b/lib/Models/PayrollNz/InvalidField.php
@@ -271,7 +271,7 @@ public function setReason($reason)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/LeaveAccrualLine.php b/lib/Models/PayrollNz/LeaveAccrualLine.php
index f55c40f4..7960d086 100644
--- a/lib/Models/PayrollNz/LeaveAccrualLine.php
+++ b/lib/Models/PayrollNz/LeaveAccrualLine.php
@@ -271,7 +271,7 @@ public function setNumberOfUnits($number_of_units)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/LeaveEarningsLine.php b/lib/Models/PayrollNz/LeaveEarningsLine.php
index 351d4fc2..1cfe11ec 100644
--- a/lib/Models/PayrollNz/LeaveEarningsLine.php
+++ b/lib/Models/PayrollNz/LeaveEarningsLine.php
@@ -535,7 +535,7 @@ public function setIsSystemGenerated($is_system_generated)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -548,7 +548,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -562,7 +562,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -579,7 +579,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/LeavePeriod.php b/lib/Models/PayrollNz/LeavePeriod.php
index f97e4c44..f3c4c35a 100644
--- a/lib/Models/PayrollNz/LeavePeriod.php
+++ b/lib/Models/PayrollNz/LeavePeriod.php
@@ -369,7 +369,7 @@ public function setPeriodStatus($period_status)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -382,7 +382,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -396,7 +396,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -413,7 +413,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/LeavePeriods.php b/lib/Models/PayrollNz/LeavePeriods.php
index 75352e41..99e6e51d 100644
--- a/lib/Models/PayrollNz/LeavePeriods.php
+++ b/lib/Models/PayrollNz/LeavePeriods.php
@@ -304,7 +304,7 @@ public function setPeriods($periods)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/LeaveType.php b/lib/Models/PayrollNz/LeaveType.php
index 8f49636d..fb886d78 100644
--- a/lib/Models/PayrollNz/LeaveType.php
+++ b/lib/Models/PayrollNz/LeaveType.php
@@ -412,7 +412,7 @@ public function setIsActive($is_active)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -425,7 +425,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -439,7 +439,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -456,7 +456,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/LeaveTypeObject.php b/lib/Models/PayrollNz/LeaveTypeObject.php
index ae47902b..a90b5e37 100644
--- a/lib/Models/PayrollNz/LeaveTypeObject.php
+++ b/lib/Models/PayrollNz/LeaveTypeObject.php
@@ -304,7 +304,7 @@ public function setLeaveType($leave_type)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/LeaveTypes.php b/lib/Models/PayrollNz/LeaveTypes.php
index 01573bb2..04811085 100644
--- a/lib/Models/PayrollNz/LeaveTypes.php
+++ b/lib/Models/PayrollNz/LeaveTypes.php
@@ -304,7 +304,7 @@ public function setLeaveTypes($leave_types)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Pagination.php b/lib/Models/PayrollNz/Pagination.php
index 64ea58a0..39b14dc1 100644
--- a/lib/Models/PayrollNz/Pagination.php
+++ b/lib/Models/PayrollNz/Pagination.php
@@ -337,7 +337,7 @@ public function setItemCount($item_count)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PayRun.php b/lib/Models/PayrollNz/PayRun.php
index 1bf5db97..d5ab9be3 100644
--- a/lib/Models/PayrollNz/PayRun.php
+++ b/lib/Models/PayrollNz/PayRun.php
@@ -667,7 +667,7 @@ public function setPaySlips($pay_slips)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -680,7 +680,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -694,7 +694,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -711,7 +711,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PayRunCalendar.php b/lib/Models/PayrollNz/PayRunCalendar.php
index 8926922c..4581a54d 100644
--- a/lib/Models/PayrollNz/PayRunCalendar.php
+++ b/lib/Models/PayrollNz/PayRunCalendar.php
@@ -448,7 +448,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -461,7 +461,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -475,7 +475,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -492,7 +492,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PayRunCalendarObject.php b/lib/Models/PayrollNz/PayRunCalendarObject.php
index 5dad0542..ab0b57d9 100644
--- a/lib/Models/PayrollNz/PayRunCalendarObject.php
+++ b/lib/Models/PayrollNz/PayRunCalendarObject.php
@@ -304,7 +304,7 @@ public function setPayRunCalendar($pay_run_calendar)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PayRunCalendars.php b/lib/Models/PayrollNz/PayRunCalendars.php
index e126541f..6570fa6e 100644
--- a/lib/Models/PayrollNz/PayRunCalendars.php
+++ b/lib/Models/PayrollNz/PayRunCalendars.php
@@ -304,7 +304,7 @@ public function setPayRunCalendars($pay_run_calendars)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PayRunObject.php b/lib/Models/PayrollNz/PayRunObject.php
index dcfc635c..b1356c87 100644
--- a/lib/Models/PayrollNz/PayRunObject.php
+++ b/lib/Models/PayrollNz/PayRunObject.php
@@ -304,7 +304,7 @@ public function setPayRun($pay_run)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PayRuns.php b/lib/Models/PayrollNz/PayRuns.php
index 65d71223..15f31cc8 100644
--- a/lib/Models/PayrollNz/PayRuns.php
+++ b/lib/Models/PayrollNz/PayRuns.php
@@ -304,7 +304,7 @@ public function setPayRuns($pay_runs)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PaySlip.php b/lib/Models/PayrollNz/PaySlip.php
index b596362b..295d6963 100644
--- a/lib/Models/PayrollNz/PaySlip.php
+++ b/lib/Models/PayrollNz/PaySlip.php
@@ -1229,7 +1229,7 @@ public function setGrossEarningsHistory($gross_earnings_history)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1242,7 +1242,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1256,7 +1256,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1273,7 +1273,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PaySlipObject.php b/lib/Models/PayrollNz/PaySlipObject.php
index f73d74ab..61ca58aa 100644
--- a/lib/Models/PayrollNz/PaySlipObject.php
+++ b/lib/Models/PayrollNz/PaySlipObject.php
@@ -304,7 +304,7 @@ public function setPaySlip($pay_slip)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PaySlips.php b/lib/Models/PayrollNz/PaySlips.php
index 10b39e30..afb92969 100644
--- a/lib/Models/PayrollNz/PaySlips.php
+++ b/lib/Models/PayrollNz/PaySlips.php
@@ -304,7 +304,7 @@ public function setPaySlips($pay_slips)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PaymentLine.php b/lib/Models/PayrollNz/PaymentLine.php
index 29d9c35a..e3e86005 100644
--- a/lib/Models/PayrollNz/PaymentLine.php
+++ b/lib/Models/PayrollNz/PaymentLine.php
@@ -370,7 +370,7 @@ public function setAccountName($account_name)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PaymentMethod.php b/lib/Models/PayrollNz/PaymentMethod.php
index 7f21ce85..c3d0890f 100644
--- a/lib/Models/PayrollNz/PaymentMethod.php
+++ b/lib/Models/PayrollNz/PaymentMethod.php
@@ -305,7 +305,7 @@ public function setBankAccounts($bank_accounts)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -318,7 +318,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -332,7 +332,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -349,7 +349,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PaymentMethodObject.php b/lib/Models/PayrollNz/PaymentMethodObject.php
index 7284508f..c3b3564f 100644
--- a/lib/Models/PayrollNz/PaymentMethodObject.php
+++ b/lib/Models/PayrollNz/PaymentMethodObject.php
@@ -304,7 +304,7 @@ public function setPaymentMethod($payment_method)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Problem.php b/lib/Models/PayrollNz/Problem.php
index 62b45dd9..55678846 100644
--- a/lib/Models/PayrollNz/Problem.php
+++ b/lib/Models/PayrollNz/Problem.php
@@ -404,7 +404,7 @@ public function setInvalidFields($invalid_fields)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -417,7 +417,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -431,7 +431,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -448,7 +448,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Reimbursement.php b/lib/Models/PayrollNz/Reimbursement.php
index 803bd924..fd63b6ea 100644
--- a/lib/Models/PayrollNz/Reimbursement.php
+++ b/lib/Models/PayrollNz/Reimbursement.php
@@ -608,7 +608,7 @@ public function setStandardRatePerUnit($standard_rate_per_unit)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -621,7 +621,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -635,7 +635,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -652,7 +652,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/ReimbursementLine.php b/lib/Models/PayrollNz/ReimbursementLine.php
index 32443e43..e55a81bd 100644
--- a/lib/Models/PayrollNz/ReimbursementLine.php
+++ b/lib/Models/PayrollNz/ReimbursementLine.php
@@ -370,7 +370,7 @@ public function setNumberOfUnits($number_of_units)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/ReimbursementObject.php b/lib/Models/PayrollNz/ReimbursementObject.php
index 39512472..621fd3cb 100644
--- a/lib/Models/PayrollNz/ReimbursementObject.php
+++ b/lib/Models/PayrollNz/ReimbursementObject.php
@@ -304,7 +304,7 @@ public function setReimbursement($reimbursement)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Reimbursements.php b/lib/Models/PayrollNz/Reimbursements.php
index 8a195d19..25fe0726 100644
--- a/lib/Models/PayrollNz/Reimbursements.php
+++ b/lib/Models/PayrollNz/Reimbursements.php
@@ -304,7 +304,7 @@ public function setReimbursements($reimbursements)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/SalaryAndWage.php b/lib/Models/PayrollNz/SalaryAndWage.php
index 4031068a..86417269 100644
--- a/lib/Models/PayrollNz/SalaryAndWage.php
+++ b/lib/Models/PayrollNz/SalaryAndWage.php
@@ -622,7 +622,7 @@ public function setPaymentType($payment_type)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -635,7 +635,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -649,7 +649,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -666,7 +666,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/SalaryAndWageObject.php b/lib/Models/PayrollNz/SalaryAndWageObject.php
index 2ef1f64a..4f034597 100644
--- a/lib/Models/PayrollNz/SalaryAndWageObject.php
+++ b/lib/Models/PayrollNz/SalaryAndWageObject.php
@@ -304,7 +304,7 @@ public function setSalaryAndWages($salary_and_wages)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/SalaryAndWages.php b/lib/Models/PayrollNz/SalaryAndWages.php
index 59281b78..02f9fe81 100644
--- a/lib/Models/PayrollNz/SalaryAndWages.php
+++ b/lib/Models/PayrollNz/SalaryAndWages.php
@@ -304,7 +304,7 @@ public function setSalaryAndWages($salary_and_wages)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Settings.php b/lib/Models/PayrollNz/Settings.php
index 4152cd41..af93cb72 100644
--- a/lib/Models/PayrollNz/Settings.php
+++ b/lib/Models/PayrollNz/Settings.php
@@ -304,7 +304,7 @@ public function setSettings($settings)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/StatutoryDeduction.php b/lib/Models/PayrollNz/StatutoryDeduction.php
index c86115b7..eb0ee5e6 100644
--- a/lib/Models/PayrollNz/StatutoryDeduction.php
+++ b/lib/Models/PayrollNz/StatutoryDeduction.php
@@ -370,7 +370,7 @@ public function setCurrentRecord($current_record)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/StatutoryDeductionLine.php b/lib/Models/PayrollNz/StatutoryDeductionLine.php
index b0e72d21..d3f7a555 100644
--- a/lib/Models/PayrollNz/StatutoryDeductionLine.php
+++ b/lib/Models/PayrollNz/StatutoryDeductionLine.php
@@ -337,7 +337,7 @@ public function setManualAdjustment($manual_adjustment)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/StatutoryDeductionObject.php b/lib/Models/PayrollNz/StatutoryDeductionObject.php
index f0df39d1..748276d7 100644
--- a/lib/Models/PayrollNz/StatutoryDeductionObject.php
+++ b/lib/Models/PayrollNz/StatutoryDeductionObject.php
@@ -304,7 +304,7 @@ public function setStatutoryDeduction($statutory_deduction)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/StatutoryDeductions.php b/lib/Models/PayrollNz/StatutoryDeductions.php
index 2e173627..85fe2990 100644
--- a/lib/Models/PayrollNz/StatutoryDeductions.php
+++ b/lib/Models/PayrollNz/StatutoryDeductions.php
@@ -304,7 +304,7 @@ public function setStatutoryDeductions($statutory_deductions)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/SuperannuationLine.php b/lib/Models/PayrollNz/SuperannuationLine.php
index b8152acd..e9c05222 100644
--- a/lib/Models/PayrollNz/SuperannuationLine.php
+++ b/lib/Models/PayrollNz/SuperannuationLine.php
@@ -403,7 +403,7 @@ public function setManualAdjustment($manual_adjustment)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/SuperannuationObject.php b/lib/Models/PayrollNz/SuperannuationObject.php
index 6b8a0917..8fa7af07 100644
--- a/lib/Models/PayrollNz/SuperannuationObject.php
+++ b/lib/Models/PayrollNz/SuperannuationObject.php
@@ -304,7 +304,7 @@ public function setBenefit($benefit)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Superannuations.php b/lib/Models/PayrollNz/Superannuations.php
index 64b2199f..e4f2fcca 100644
--- a/lib/Models/PayrollNz/Superannuations.php
+++ b/lib/Models/PayrollNz/Superannuations.php
@@ -304,7 +304,7 @@ public function setBenefits($benefits)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/TaxLine.php b/lib/Models/PayrollNz/TaxLine.php
index c0d51724..30b848ce 100644
--- a/lib/Models/PayrollNz/TaxLine.php
+++ b/lib/Models/PayrollNz/TaxLine.php
@@ -370,7 +370,7 @@ public function setManualAdjustment($manual_adjustment)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/TaxSettings.php b/lib/Models/PayrollNz/TaxSettings.php
index 52336c9a..5f8c0a29 100644
--- a/lib/Models/PayrollNz/TaxSettings.php
+++ b/lib/Models/PayrollNz/TaxSettings.php
@@ -435,7 +435,7 @@ public function setLumpSumAmount($lump_sum_amount)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -448,7 +448,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -462,7 +462,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -479,7 +479,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Timesheet.php b/lib/Models/PayrollNz/Timesheet.php
index d75c21fa..80e72308 100644
--- a/lib/Models/PayrollNz/Timesheet.php
+++ b/lib/Models/PayrollNz/Timesheet.php
@@ -550,7 +550,7 @@ public function setTimesheetLines($timesheet_lines)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -563,7 +563,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -577,7 +577,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -594,7 +594,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/TimesheetEarningsLine.php b/lib/Models/PayrollNz/TimesheetEarningsLine.php
index f046afb4..5a06b6c2 100644
--- a/lib/Models/PayrollNz/TimesheetEarningsLine.php
+++ b/lib/Models/PayrollNz/TimesheetEarningsLine.php
@@ -535,7 +535,7 @@ public function setIsSystemGenerated($is_system_generated)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -548,7 +548,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -562,7 +562,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -579,7 +579,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/TimesheetLine.php b/lib/Models/PayrollNz/TimesheetLine.php
index ddb5b27a..a3fbc099 100644
--- a/lib/Models/PayrollNz/TimesheetLine.php
+++ b/lib/Models/PayrollNz/TimesheetLine.php
@@ -379,7 +379,7 @@ public function setNumberOfUnits($number_of_units)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -392,7 +392,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -406,7 +406,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -423,7 +423,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/TimesheetLineObject.php b/lib/Models/PayrollNz/TimesheetLineObject.php
index 6908412c..d616ae2d 100644
--- a/lib/Models/PayrollNz/TimesheetLineObject.php
+++ b/lib/Models/PayrollNz/TimesheetLineObject.php
@@ -304,7 +304,7 @@ public function setTimesheetLine($timesheet_line)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/TimesheetObject.php b/lib/Models/PayrollNz/TimesheetObject.php
index ab26db03..09c6dfcc 100644
--- a/lib/Models/PayrollNz/TimesheetObject.php
+++ b/lib/Models/PayrollNz/TimesheetObject.php
@@ -304,7 +304,7 @@ public function setTimesheet($timesheet)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Timesheets.php b/lib/Models/PayrollNz/Timesheets.php
index e4fb571c..03409dce 100644
--- a/lib/Models/PayrollNz/Timesheets.php
+++ b/lib/Models/PayrollNz/Timesheets.php
@@ -304,7 +304,7 @@ public function setTimesheets($timesheets)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/TrackingCategories.php b/lib/Models/PayrollNz/TrackingCategories.php
index 15b34a1e..e245d8c2 100644
--- a/lib/Models/PayrollNz/TrackingCategories.php
+++ b/lib/Models/PayrollNz/TrackingCategories.php
@@ -304,7 +304,7 @@ public function setTrackingCategories($tracking_categories)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/TrackingCategory.php b/lib/Models/PayrollNz/TrackingCategory.php
index e5920220..a3116d02 100644
--- a/lib/Models/PayrollNz/TrackingCategory.php
+++ b/lib/Models/PayrollNz/TrackingCategory.php
@@ -271,7 +271,7 @@ public function setTimesheetTrackingCategoryId($timesheet_tracking_category_id)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Account.php b/lib/Models/PayrollUk/Account.php
index cde561e1..02ee36a9 100644
--- a/lib/Models/PayrollUk/Account.php
+++ b/lib/Models/PayrollUk/Account.php
@@ -379,7 +379,7 @@ public function setName($name)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -392,7 +392,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -406,7 +406,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -423,7 +423,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Accounts.php b/lib/Models/PayrollUk/Accounts.php
index 52d59941..c1406de0 100644
--- a/lib/Models/PayrollUk/Accounts.php
+++ b/lib/Models/PayrollUk/Accounts.php
@@ -238,7 +238,7 @@ public function setAccounts($accounts)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Address.php b/lib/Models/PayrollUk/Address.php
index e736c0ed..575e62ff 100644
--- a/lib/Models/PayrollUk/Address.php
+++ b/lib/Models/PayrollUk/Address.php
@@ -379,7 +379,7 @@ public function setCountryName($country_name)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -392,7 +392,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -406,7 +406,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -423,7 +423,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/BankAccount.php b/lib/Models/PayrollUk/BankAccount.php
index 82a4f8d8..7da489b1 100644
--- a/lib/Models/PayrollUk/BankAccount.php
+++ b/lib/Models/PayrollUk/BankAccount.php
@@ -313,7 +313,7 @@ public function setSortCode($sort_code)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -326,7 +326,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -340,7 +340,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -357,7 +357,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Benefit.php b/lib/Models/PayrollUk/Benefit.php
index 9fad1a9c..2c7e2840 100644
--- a/lib/Models/PayrollUk/Benefit.php
+++ b/lib/Models/PayrollUk/Benefit.php
@@ -749,7 +749,7 @@ public function setShowBalanceToEmployee($show_balance_to_employee)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -762,7 +762,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -776,7 +776,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -793,7 +793,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/BenefitLine.php b/lib/Models/PayrollUk/BenefitLine.php
index 27e5077a..97c935b4 100644
--- a/lib/Models/PayrollUk/BenefitLine.php
+++ b/lib/Models/PayrollUk/BenefitLine.php
@@ -370,7 +370,7 @@ public function setPercentage($percentage)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/BenefitObject.php b/lib/Models/PayrollUk/BenefitObject.php
index 55d06c3b..1aa26e0a 100644
--- a/lib/Models/PayrollUk/BenefitObject.php
+++ b/lib/Models/PayrollUk/BenefitObject.php
@@ -304,7 +304,7 @@ public function setBenefit($benefit)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Benefits.php b/lib/Models/PayrollUk/Benefits.php
index 74f5f5c1..f6d1ce87 100644
--- a/lib/Models/PayrollUk/Benefits.php
+++ b/lib/Models/PayrollUk/Benefits.php
@@ -304,7 +304,7 @@ public function setBenefits($benefits)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/CourtOrderLine.php b/lib/Models/PayrollUk/CourtOrderLine.php
index ebe69f9a..515d5396 100644
--- a/lib/Models/PayrollUk/CourtOrderLine.php
+++ b/lib/Models/PayrollUk/CourtOrderLine.php
@@ -271,7 +271,7 @@ public function setAmount($amount)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Deduction.php b/lib/Models/PayrollUk/Deduction.php
index 945ffbef..8f6ff070 100644
--- a/lib/Models/PayrollUk/Deduction.php
+++ b/lib/Models/PayrollUk/Deduction.php
@@ -819,7 +819,7 @@ public function setIsPension($is_pension)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -832,7 +832,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -846,7 +846,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -863,7 +863,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/DeductionLine.php b/lib/Models/PayrollUk/DeductionLine.php
index ae6fb4fb..e6eebe39 100644
--- a/lib/Models/PayrollUk/DeductionLine.php
+++ b/lib/Models/PayrollUk/DeductionLine.php
@@ -337,7 +337,7 @@ public function setPercentage($percentage)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/DeductionObject.php b/lib/Models/PayrollUk/DeductionObject.php
index c7958812..083c4a41 100644
--- a/lib/Models/PayrollUk/DeductionObject.php
+++ b/lib/Models/PayrollUk/DeductionObject.php
@@ -304,7 +304,7 @@ public function setDeduction($deduction)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Deductions.php b/lib/Models/PayrollUk/Deductions.php
index b5a562bd..6872cd94 100644
--- a/lib/Models/PayrollUk/Deductions.php
+++ b/lib/Models/PayrollUk/Deductions.php
@@ -304,7 +304,7 @@ public function setDeductions($deductions)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EarningsLine.php b/lib/Models/PayrollUk/EarningsLine.php
index f5be67d2..66864147 100644
--- a/lib/Models/PayrollUk/EarningsLine.php
+++ b/lib/Models/PayrollUk/EarningsLine.php
@@ -502,7 +502,7 @@ public function setIsAverageDailyPayRate($is_average_daily_pay_rate)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -515,7 +515,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -529,7 +529,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -546,7 +546,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EarningsOrder.php b/lib/Models/PayrollUk/EarningsOrder.php
index bcbba06b..bcc759d4 100644
--- a/lib/Models/PayrollUk/EarningsOrder.php
+++ b/lib/Models/PayrollUk/EarningsOrder.php
@@ -373,7 +373,7 @@ public function setCurrentRecord($current_record)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -386,7 +386,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -400,7 +400,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -417,7 +417,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EarningsOrderObject.php b/lib/Models/PayrollUk/EarningsOrderObject.php
index d17f3776..40578ea9 100644
--- a/lib/Models/PayrollUk/EarningsOrderObject.php
+++ b/lib/Models/PayrollUk/EarningsOrderObject.php
@@ -304,7 +304,7 @@ public function setStatutoryDeduction($statutory_deduction)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EarningsOrders.php b/lib/Models/PayrollUk/EarningsOrders.php
index 42608b97..ff9889b8 100644
--- a/lib/Models/PayrollUk/EarningsOrders.php
+++ b/lib/Models/PayrollUk/EarningsOrders.php
@@ -304,7 +304,7 @@ public function setStatutoryDeductions($statutory_deductions)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EarningsRate.php b/lib/Models/PayrollUk/EarningsRate.php
index ccb1f87a..ac288e6d 100644
--- a/lib/Models/PayrollUk/EarningsRate.php
+++ b/lib/Models/PayrollUk/EarningsRate.php
@@ -658,7 +658,7 @@ public function setFixedAmount($fixed_amount)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -671,7 +671,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -685,7 +685,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -702,7 +702,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EarningsRateObject.php b/lib/Models/PayrollUk/EarningsRateObject.php
index ce1d7fda..9272931e 100644
--- a/lib/Models/PayrollUk/EarningsRateObject.php
+++ b/lib/Models/PayrollUk/EarningsRateObject.php
@@ -304,7 +304,7 @@ public function setEarningsRate($earnings_rate)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EarningsRates.php b/lib/Models/PayrollUk/EarningsRates.php
index bab97937..54622706 100644
--- a/lib/Models/PayrollUk/EarningsRates.php
+++ b/lib/Models/PayrollUk/EarningsRates.php
@@ -304,7 +304,7 @@ public function setEarningsRates($earnings_rates)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EarningsTemplate.php b/lib/Models/PayrollUk/EarningsTemplate.php
index 045421ca..8f12cfae 100644
--- a/lib/Models/PayrollUk/EarningsTemplate.php
+++ b/lib/Models/PayrollUk/EarningsTemplate.php
@@ -403,7 +403,7 @@ public function setName($name)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EarningsTemplateObject.php b/lib/Models/PayrollUk/EarningsTemplateObject.php
index 9e1d935f..3b80dcf4 100644
--- a/lib/Models/PayrollUk/EarningsTemplateObject.php
+++ b/lib/Models/PayrollUk/EarningsTemplateObject.php
@@ -304,7 +304,7 @@ public function setEarningTemplate($earning_template)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Employee.php b/lib/Models/PayrollUk/Employee.php
index 042f85f6..40919efb 100644
--- a/lib/Models/PayrollUk/Employee.php
+++ b/lib/Models/PayrollUk/Employee.php
@@ -765,7 +765,7 @@ public function setIsOffPayrollWorker($is_off_payroll_worker)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -778,7 +778,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -792,7 +792,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -809,7 +809,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeLeave.php b/lib/Models/PayrollUk/EmployeeLeave.php
index d0dec281..ba83a6a4 100644
--- a/lib/Models/PayrollUk/EmployeeLeave.php
+++ b/lib/Models/PayrollUk/EmployeeLeave.php
@@ -448,7 +448,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -461,7 +461,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -475,7 +475,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -492,7 +492,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeLeaveBalance.php b/lib/Models/PayrollUk/EmployeeLeaveBalance.php
index 17f93f4c..8bf26330 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveBalance.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveBalance.php
@@ -337,7 +337,7 @@ public function setTypeOfUnits($type_of_units)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeLeaveBalances.php b/lib/Models/PayrollUk/EmployeeLeaveBalances.php
index 0c569b64..04df7d91 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveBalances.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveBalances.php
@@ -304,7 +304,7 @@ public function setLeaveBalances($leave_balances)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeLeaveObject.php b/lib/Models/PayrollUk/EmployeeLeaveObject.php
index 5eb3a7b1..fc87a41f 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveObject.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveObject.php
@@ -304,7 +304,7 @@ public function setLeave($leave)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeLeaveType.php b/lib/Models/PayrollUk/EmployeeLeaveType.php
index a2dbb539..951fe86f 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveType.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveType.php
@@ -445,7 +445,7 @@ public function setRateAccruedHourly($rate_accrued_hourly)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -458,7 +458,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -472,7 +472,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -489,7 +489,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeLeaveTypeObject.php b/lib/Models/PayrollUk/EmployeeLeaveTypeObject.php
index d0773d7b..b8dfa0cc 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveTypeObject.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveTypeObject.php
@@ -304,7 +304,7 @@ public function setLeaveType($leave_type)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeLeaveTypes.php b/lib/Models/PayrollUk/EmployeeLeaveTypes.php
index c970e146..d6e346b8 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveTypes.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveTypes.php
@@ -304,7 +304,7 @@ public function setLeaveTypes($leave_types)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeLeaves.php b/lib/Models/PayrollUk/EmployeeLeaves.php
index b490e328..d2dc3266 100644
--- a/lib/Models/PayrollUk/EmployeeLeaves.php
+++ b/lib/Models/PayrollUk/EmployeeLeaves.php
@@ -304,7 +304,7 @@ public function setLeave($leave)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeObject.php b/lib/Models/PayrollUk/EmployeeObject.php
index c529d57f..58478de5 100644
--- a/lib/Models/PayrollUk/EmployeeObject.php
+++ b/lib/Models/PayrollUk/EmployeeObject.php
@@ -304,7 +304,7 @@ public function setProblem($problem)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeOpeningBalances.php b/lib/Models/PayrollUk/EmployeeOpeningBalances.php
index 8746210b..baacaf49 100644
--- a/lib/Models/PayrollUk/EmployeeOpeningBalances.php
+++ b/lib/Models/PayrollUk/EmployeeOpeningBalances.php
@@ -403,7 +403,7 @@ public function setPriorEmployeeNumber($prior_employee_number)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeOpeningBalancesObject.php b/lib/Models/PayrollUk/EmployeeOpeningBalancesObject.php
index 93f0591a..07aa5c02 100644
--- a/lib/Models/PayrollUk/EmployeeOpeningBalancesObject.php
+++ b/lib/Models/PayrollUk/EmployeeOpeningBalancesObject.php
@@ -304,7 +304,7 @@ public function setOpeningBalances($opening_balances)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeePayTemplate.php b/lib/Models/PayrollUk/EmployeePayTemplate.php
index 8e9d2590..dcf5be96 100644
--- a/lib/Models/PayrollUk/EmployeePayTemplate.php
+++ b/lib/Models/PayrollUk/EmployeePayTemplate.php
@@ -271,7 +271,7 @@ public function setEarningTemplates($earning_templates)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeePayTemplateObject.php b/lib/Models/PayrollUk/EmployeePayTemplateObject.php
index 7eac9926..cb179896 100644
--- a/lib/Models/PayrollUk/EmployeePayTemplateObject.php
+++ b/lib/Models/PayrollUk/EmployeePayTemplateObject.php
@@ -304,7 +304,7 @@ public function setPayTemplate($pay_template)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeePayTemplates.php b/lib/Models/PayrollUk/EmployeePayTemplates.php
index 13791ab5..dc648fc8 100644
--- a/lib/Models/PayrollUk/EmployeePayTemplates.php
+++ b/lib/Models/PayrollUk/EmployeePayTemplates.php
@@ -304,7 +304,7 @@ public function setEarningTemplates($earning_templates)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalance.php b/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalance.php
index 19fa2784..5eed4de8 100644
--- a/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalance.php
+++ b/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalance.php
@@ -372,7 +372,7 @@ public function setUnits($units)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -385,7 +385,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -399,7 +399,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -416,7 +416,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalanceObject.php b/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalanceObject.php
index 812fc3b3..1053e7d8 100644
--- a/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalanceObject.php
+++ b/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalanceObject.php
@@ -304,7 +304,7 @@ public function setLeaveBalance($leave_balance)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeStatutoryLeaveSummary.php b/lib/Models/PayrollUk/EmployeeStatutoryLeaveSummary.php
index 139e82a9..fce602a1 100644
--- a/lib/Models/PayrollUk/EmployeeStatutoryLeaveSummary.php
+++ b/lib/Models/PayrollUk/EmployeeStatutoryLeaveSummary.php
@@ -508,7 +508,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -521,7 +521,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -535,7 +535,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -552,7 +552,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeStatutoryLeavesSummaries.php b/lib/Models/PayrollUk/EmployeeStatutoryLeavesSummaries.php
index 366aacab..286d160b 100644
--- a/lib/Models/PayrollUk/EmployeeStatutoryLeavesSummaries.php
+++ b/lib/Models/PayrollUk/EmployeeStatutoryLeavesSummaries.php
@@ -304,7 +304,7 @@ public function setStatutoryLeaves($statutory_leaves)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeStatutorySickLeave.php b/lib/Models/PayrollUk/EmployeeStatutorySickLeave.php
index 36c369ab..f9431518 100644
--- a/lib/Models/PayrollUk/EmployeeStatutorySickLeave.php
+++ b/lib/Models/PayrollUk/EmployeeStatutorySickLeave.php
@@ -786,7 +786,7 @@ public function setEntitlementFailureReasons($entitlement_failure_reasons)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -799,7 +799,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -813,7 +813,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -830,7 +830,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeStatutorySickLeaveObject.php b/lib/Models/PayrollUk/EmployeeStatutorySickLeaveObject.php
index 2f964adc..a1589949 100644
--- a/lib/Models/PayrollUk/EmployeeStatutorySickLeaveObject.php
+++ b/lib/Models/PayrollUk/EmployeeStatutorySickLeaveObject.php
@@ -304,7 +304,7 @@ public function setStatutorySickLeave($statutory_sick_leave)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeStatutorySickLeaves.php b/lib/Models/PayrollUk/EmployeeStatutorySickLeaves.php
index 11688bb7..6706892a 100644
--- a/lib/Models/PayrollUk/EmployeeStatutorySickLeaves.php
+++ b/lib/Models/PayrollUk/EmployeeStatutorySickLeaves.php
@@ -304,7 +304,7 @@ public function setStatutorySickLeave($statutory_sick_leave)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeTax.php b/lib/Models/PayrollUk/EmployeeTax.php
index 7df11f5b..694cc6ae 100644
--- a/lib/Models/PayrollUk/EmployeeTax.php
+++ b/lib/Models/PayrollUk/EmployeeTax.php
@@ -568,7 +568,7 @@ public function setNicCalculationMethod($nic_calculation_method)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -581,7 +581,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -595,7 +595,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -612,7 +612,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeTaxObject.php b/lib/Models/PayrollUk/EmployeeTaxObject.php
index 46994064..55871db4 100644
--- a/lib/Models/PayrollUk/EmployeeTaxObject.php
+++ b/lib/Models/PayrollUk/EmployeeTaxObject.php
@@ -304,7 +304,7 @@ public function setEmployeeTax($employee_tax)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Employees.php b/lib/Models/PayrollUk/Employees.php
index f19fd7d0..e5d6e5c3 100644
--- a/lib/Models/PayrollUk/Employees.php
+++ b/lib/Models/PayrollUk/Employees.php
@@ -304,7 +304,7 @@ public function setEmployees($employees)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Employment.php b/lib/Models/PayrollUk/Employment.php
index 2adce426..f2b33260 100644
--- a/lib/Models/PayrollUk/Employment.php
+++ b/lib/Models/PayrollUk/Employment.php
@@ -391,7 +391,7 @@ public function setNiCategory($ni_category)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -404,7 +404,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -418,7 +418,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -435,7 +435,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmploymentObject.php b/lib/Models/PayrollUk/EmploymentObject.php
index 9d987256..f13cc890 100644
--- a/lib/Models/PayrollUk/EmploymentObject.php
+++ b/lib/Models/PayrollUk/EmploymentObject.php
@@ -304,7 +304,7 @@ public function setEmployment($employment)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/InvalidField.php b/lib/Models/PayrollUk/InvalidField.php
index 9bfb1832..e4ef7e02 100644
--- a/lib/Models/PayrollUk/InvalidField.php
+++ b/lib/Models/PayrollUk/InvalidField.php
@@ -271,7 +271,7 @@ public function setReason($reason)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/LeaveAccrualLine.php b/lib/Models/PayrollUk/LeaveAccrualLine.php
index 77a9dc0e..35a8e21a 100644
--- a/lib/Models/PayrollUk/LeaveAccrualLine.php
+++ b/lib/Models/PayrollUk/LeaveAccrualLine.php
@@ -271,7 +271,7 @@ public function setNumberOfUnits($number_of_units)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/LeaveEarningsLine.php b/lib/Models/PayrollUk/LeaveEarningsLine.php
index 7a979cfe..534c8fe6 100644
--- a/lib/Models/PayrollUk/LeaveEarningsLine.php
+++ b/lib/Models/PayrollUk/LeaveEarningsLine.php
@@ -403,7 +403,7 @@ public function setIsLinkedToTimesheet($is_linked_to_timesheet)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/LeavePeriod.php b/lib/Models/PayrollUk/LeavePeriod.php
index b1314b16..61fcd055 100644
--- a/lib/Models/PayrollUk/LeavePeriod.php
+++ b/lib/Models/PayrollUk/LeavePeriod.php
@@ -369,7 +369,7 @@ public function setPeriodStatus($period_status)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -382,7 +382,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -396,7 +396,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -413,7 +413,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/LeavePeriods.php b/lib/Models/PayrollUk/LeavePeriods.php
index c6f695aa..a88a4eaf 100644
--- a/lib/Models/PayrollUk/LeavePeriods.php
+++ b/lib/Models/PayrollUk/LeavePeriods.php
@@ -304,7 +304,7 @@ public function setPeriods($periods)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/LeaveType.php b/lib/Models/PayrollUk/LeaveType.php
index b0c1a664..f512beba 100644
--- a/lib/Models/PayrollUk/LeaveType.php
+++ b/lib/Models/PayrollUk/LeaveType.php
@@ -478,7 +478,7 @@ public function setIsStatutoryLeave($is_statutory_leave)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -491,7 +491,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -505,7 +505,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -522,7 +522,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/LeaveTypeObject.php b/lib/Models/PayrollUk/LeaveTypeObject.php
index 6fe46a39..374a3d6a 100644
--- a/lib/Models/PayrollUk/LeaveTypeObject.php
+++ b/lib/Models/PayrollUk/LeaveTypeObject.php
@@ -304,7 +304,7 @@ public function setLeaveType($leave_type)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/LeaveTypes.php b/lib/Models/PayrollUk/LeaveTypes.php
index 397f2be3..14a9aac2 100644
--- a/lib/Models/PayrollUk/LeaveTypes.php
+++ b/lib/Models/PayrollUk/LeaveTypes.php
@@ -304,7 +304,7 @@ public function setLeaveTypes($leave_types)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Pagination.php b/lib/Models/PayrollUk/Pagination.php
index c7e9c2b0..cc3e2c11 100644
--- a/lib/Models/PayrollUk/Pagination.php
+++ b/lib/Models/PayrollUk/Pagination.php
@@ -337,7 +337,7 @@ public function setItemCount($item_count)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PayRun.php b/lib/Models/PayrollUk/PayRun.php
index cdbf42e1..5d6f5b5c 100644
--- a/lib/Models/PayrollUk/PayRun.php
+++ b/lib/Models/PayrollUk/PayRun.php
@@ -707,7 +707,7 @@ public function setPaySlips($pay_slips)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -720,7 +720,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -734,7 +734,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -751,7 +751,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PayRunCalendar.php b/lib/Models/PayrollUk/PayRunCalendar.php
index 090b2ba1..dcf4f411 100644
--- a/lib/Models/PayrollUk/PayRunCalendar.php
+++ b/lib/Models/PayrollUk/PayRunCalendar.php
@@ -488,7 +488,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -501,7 +501,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -515,7 +515,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -532,7 +532,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PayRunCalendarObject.php b/lib/Models/PayrollUk/PayRunCalendarObject.php
index b367a763..3d9ab378 100644
--- a/lib/Models/PayrollUk/PayRunCalendarObject.php
+++ b/lib/Models/PayrollUk/PayRunCalendarObject.php
@@ -304,7 +304,7 @@ public function setPayRunCalendar($pay_run_calendar)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PayRunCalendars.php b/lib/Models/PayrollUk/PayRunCalendars.php
index 60371e52..5186637a 100644
--- a/lib/Models/PayrollUk/PayRunCalendars.php
+++ b/lib/Models/PayrollUk/PayRunCalendars.php
@@ -304,7 +304,7 @@ public function setPayRunCalendars($pay_run_calendars)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PayRunObject.php b/lib/Models/PayrollUk/PayRunObject.php
index 197ebdaa..c8c8f955 100644
--- a/lib/Models/PayrollUk/PayRunObject.php
+++ b/lib/Models/PayrollUk/PayRunObject.php
@@ -304,7 +304,7 @@ public function setPayRun($pay_run)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PayRuns.php b/lib/Models/PayrollUk/PayRuns.php
index a73fcc10..67ffc024 100644
--- a/lib/Models/PayrollUk/PayRuns.php
+++ b/lib/Models/PayrollUk/PayRuns.php
@@ -304,7 +304,7 @@ public function setPayRuns($pay_runs)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PaymentLine.php b/lib/Models/PayrollUk/PaymentLine.php
index 41f43b48..b02e9471 100644
--- a/lib/Models/PayrollUk/PaymentLine.php
+++ b/lib/Models/PayrollUk/PaymentLine.php
@@ -370,7 +370,7 @@ public function setAccountName($account_name)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PaymentMethod.php b/lib/Models/PayrollUk/PaymentMethod.php
index ced2434f..85be1cc5 100644
--- a/lib/Models/PayrollUk/PaymentMethod.php
+++ b/lib/Models/PayrollUk/PaymentMethod.php
@@ -308,7 +308,7 @@ public function setBankAccounts($bank_accounts)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -321,7 +321,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -335,7 +335,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -352,7 +352,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PaymentMethodObject.php b/lib/Models/PayrollUk/PaymentMethodObject.php
index b0bff6a4..d58f6b72 100644
--- a/lib/Models/PayrollUk/PaymentMethodObject.php
+++ b/lib/Models/PayrollUk/PaymentMethodObject.php
@@ -304,7 +304,7 @@ public function setPaymentMethod($payment_method)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Payslip.php b/lib/Models/PayrollUk/Payslip.php
index 1f781dc0..32a03f5f 100644
--- a/lib/Models/PayrollUk/Payslip.php
+++ b/lib/Models/PayrollUk/Payslip.php
@@ -1163,7 +1163,7 @@ public function setCourtOrderLines($court_order_lines)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1176,7 +1176,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1190,7 +1190,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1207,7 +1207,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PayslipObject.php b/lib/Models/PayrollUk/PayslipObject.php
index c0ff9571..14b64709 100644
--- a/lib/Models/PayrollUk/PayslipObject.php
+++ b/lib/Models/PayrollUk/PayslipObject.php
@@ -304,7 +304,7 @@ public function setPaySlip($pay_slip)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Payslips.php b/lib/Models/PayrollUk/Payslips.php
index c1b032af..6794519e 100644
--- a/lib/Models/PayrollUk/Payslips.php
+++ b/lib/Models/PayrollUk/Payslips.php
@@ -304,7 +304,7 @@ public function setPaySlips($pay_slips)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Problem.php b/lib/Models/PayrollUk/Problem.php
index f6836f75..3082761c 100644
--- a/lib/Models/PayrollUk/Problem.php
+++ b/lib/Models/PayrollUk/Problem.php
@@ -404,7 +404,7 @@ public function setInvalidFields($invalid_fields)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -417,7 +417,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -431,7 +431,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -448,7 +448,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Reimbursement.php b/lib/Models/PayrollUk/Reimbursement.php
index 58a5ff1b..2932f094 100644
--- a/lib/Models/PayrollUk/Reimbursement.php
+++ b/lib/Models/PayrollUk/Reimbursement.php
@@ -343,7 +343,7 @@ public function setCurrentRecord($current_record)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -356,7 +356,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -370,7 +370,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -387,7 +387,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/ReimbursementLine.php b/lib/Models/PayrollUk/ReimbursementLine.php
index 65b2c552..c2f8036d 100644
--- a/lib/Models/PayrollUk/ReimbursementLine.php
+++ b/lib/Models/PayrollUk/ReimbursementLine.php
@@ -304,7 +304,7 @@ public function setAmount($amount)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/ReimbursementObject.php b/lib/Models/PayrollUk/ReimbursementObject.php
index f66165ef..116102ba 100644
--- a/lib/Models/PayrollUk/ReimbursementObject.php
+++ b/lib/Models/PayrollUk/ReimbursementObject.php
@@ -304,7 +304,7 @@ public function setReimbursement($reimbursement)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Reimbursements.php b/lib/Models/PayrollUk/Reimbursements.php
index 546dd5a9..63bf19d3 100644
--- a/lib/Models/PayrollUk/Reimbursements.php
+++ b/lib/Models/PayrollUk/Reimbursements.php
@@ -304,7 +304,7 @@ public function setReimbursements($reimbursements)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/SalaryAndWage.php b/lib/Models/PayrollUk/SalaryAndWage.php
index 05fd0b90..ea32e1d1 100644
--- a/lib/Models/PayrollUk/SalaryAndWage.php
+++ b/lib/Models/PayrollUk/SalaryAndWage.php
@@ -586,7 +586,7 @@ public function setPaymentType($payment_type)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -599,7 +599,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -613,7 +613,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -630,7 +630,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/SalaryAndWageObject.php b/lib/Models/PayrollUk/SalaryAndWageObject.php
index 2a720201..86f3b588 100644
--- a/lib/Models/PayrollUk/SalaryAndWageObject.php
+++ b/lib/Models/PayrollUk/SalaryAndWageObject.php
@@ -304,7 +304,7 @@ public function setSalaryAndWages($salary_and_wages)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/SalaryAndWages.php b/lib/Models/PayrollUk/SalaryAndWages.php
index cc3e68d8..93365daa 100644
--- a/lib/Models/PayrollUk/SalaryAndWages.php
+++ b/lib/Models/PayrollUk/SalaryAndWages.php
@@ -304,7 +304,7 @@ public function setSalaryAndWages($salary_and_wages)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Settings.php b/lib/Models/PayrollUk/Settings.php
index 855caab7..7263a094 100644
--- a/lib/Models/PayrollUk/Settings.php
+++ b/lib/Models/PayrollUk/Settings.php
@@ -304,7 +304,7 @@ public function setSettings($settings)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/StatutoryDeduction.php b/lib/Models/PayrollUk/StatutoryDeduction.php
index 4e02af15..d992c376 100644
--- a/lib/Models/PayrollUk/StatutoryDeduction.php
+++ b/lib/Models/PayrollUk/StatutoryDeduction.php
@@ -370,7 +370,7 @@ public function setCurrentRecord($current_record)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/TaxLine.php b/lib/Models/PayrollUk/TaxLine.php
index d9975f7f..dcc0999a 100644
--- a/lib/Models/PayrollUk/TaxLine.php
+++ b/lib/Models/PayrollUk/TaxLine.php
@@ -403,7 +403,7 @@ public function setManualAdjustment($manual_adjustment)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Timesheet.php b/lib/Models/PayrollUk/Timesheet.php
index 623695e2..2e0a99c4 100644
--- a/lib/Models/PayrollUk/Timesheet.php
+++ b/lib/Models/PayrollUk/Timesheet.php
@@ -548,7 +548,7 @@ public function setTimesheetLines($timesheet_lines)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -561,7 +561,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -575,7 +575,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -592,7 +592,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/TimesheetEarningsLine.php b/lib/Models/PayrollUk/TimesheetEarningsLine.php
index 673aa714..f1f6c915 100644
--- a/lib/Models/PayrollUk/TimesheetEarningsLine.php
+++ b/lib/Models/PayrollUk/TimesheetEarningsLine.php
@@ -403,7 +403,7 @@ public function setIsLinkedToTimesheet($is_linked_to_timesheet)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/TimesheetLine.php b/lib/Models/PayrollUk/TimesheetLine.php
index 30f5a423..3018d259 100644
--- a/lib/Models/PayrollUk/TimesheetLine.php
+++ b/lib/Models/PayrollUk/TimesheetLine.php
@@ -379,7 +379,7 @@ public function setNumberOfUnits($number_of_units)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -392,7 +392,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -406,7 +406,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -423,7 +423,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/TimesheetLineObject.php b/lib/Models/PayrollUk/TimesheetLineObject.php
index 861a7c4d..a7b983b0 100644
--- a/lib/Models/PayrollUk/TimesheetLineObject.php
+++ b/lib/Models/PayrollUk/TimesheetLineObject.php
@@ -304,7 +304,7 @@ public function setTimesheetLine($timesheet_line)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/TimesheetObject.php b/lib/Models/PayrollUk/TimesheetObject.php
index 63862acb..dc2dfa8a 100644
--- a/lib/Models/PayrollUk/TimesheetObject.php
+++ b/lib/Models/PayrollUk/TimesheetObject.php
@@ -304,7 +304,7 @@ public function setTimesheet($timesheet)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Timesheets.php b/lib/Models/PayrollUk/Timesheets.php
index d3d1ee66..c78f222e 100644
--- a/lib/Models/PayrollUk/Timesheets.php
+++ b/lib/Models/PayrollUk/Timesheets.php
@@ -304,7 +304,7 @@ public function setTimesheets($timesheets)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/TrackingCategories.php b/lib/Models/PayrollUk/TrackingCategories.php
index 40b45db3..aa0727e3 100644
--- a/lib/Models/PayrollUk/TrackingCategories.php
+++ b/lib/Models/PayrollUk/TrackingCategories.php
@@ -304,7 +304,7 @@ public function setTrackingCategories($tracking_categories)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/TrackingCategory.php b/lib/Models/PayrollUk/TrackingCategory.php
index 5382ac97..28502ad3 100644
--- a/lib/Models/PayrollUk/TrackingCategory.php
+++ b/lib/Models/PayrollUk/TrackingCategory.php
@@ -271,7 +271,7 @@ public function setTimesheetTrackingCategoryId($timesheet_tracking_category_id)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/Amount.php b/lib/Models/Project/Amount.php
index 8d628c40..53ea150b 100644
--- a/lib/Models/Project/Amount.php
+++ b/lib/Models/Project/Amount.php
@@ -271,7 +271,7 @@ public function setValue($value)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/Error.php b/lib/Models/Project/Error.php
index a48fff99..d497f3ae 100644
--- a/lib/Models/Project/Error.php
+++ b/lib/Models/Project/Error.php
@@ -271,7 +271,7 @@ public function setModelState($model_state)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/Pagination.php b/lib/Models/Project/Pagination.php
index 3a916a51..bcb06a94 100644
--- a/lib/Models/Project/Pagination.php
+++ b/lib/Models/Project/Pagination.php
@@ -337,7 +337,7 @@ public function setItemCount($item_count)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/Project.php b/lib/Models/Project/Project.php
index 04e86fb9..0f70bab9 100644
--- a/lib/Models/Project/Project.php
+++ b/lib/Models/Project/Project.php
@@ -934,7 +934,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -947,7 +947,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -961,7 +961,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -978,7 +978,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/ProjectCreateOrUpdate.php b/lib/Models/Project/ProjectCreateOrUpdate.php
index 5291124c..5e8af9c4 100644
--- a/lib/Models/Project/ProjectCreateOrUpdate.php
+++ b/lib/Models/Project/ProjectCreateOrUpdate.php
@@ -340,7 +340,7 @@ public function setDeadlineUtc($deadline_utc)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -353,7 +353,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -367,7 +367,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -384,7 +384,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/ProjectPatch.php b/lib/Models/Project/ProjectPatch.php
index b3c50ce2..86c2b1ee 100644
--- a/lib/Models/Project/ProjectPatch.php
+++ b/lib/Models/Project/ProjectPatch.php
@@ -241,7 +241,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -254,7 +254,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -268,7 +268,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -285,7 +285,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/ProjectUser.php b/lib/Models/Project/ProjectUser.php
index 9e3219f0..61f07aec 100644
--- a/lib/Models/Project/ProjectUser.php
+++ b/lib/Models/Project/ProjectUser.php
@@ -304,7 +304,7 @@ public function setEmail($email)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/ProjectUsers.php b/lib/Models/Project/ProjectUsers.php
index 28a5738e..651422e4 100644
--- a/lib/Models/Project/ProjectUsers.php
+++ b/lib/Models/Project/ProjectUsers.php
@@ -271,7 +271,7 @@ public function setItems($items)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/Projects.php b/lib/Models/Project/Projects.php
index 76a9dd4a..26542f3a 100644
--- a/lib/Models/Project/Projects.php
+++ b/lib/Models/Project/Projects.php
@@ -271,7 +271,7 @@ public function setItems($items)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/Task.php b/lib/Models/Project/Task.php
index 5121503c..20f72e2f 100644
--- a/lib/Models/Project/Task.php
+++ b/lib/Models/Project/Task.php
@@ -734,7 +734,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -747,7 +747,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -761,7 +761,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -778,7 +778,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/TaskCreateOrUpdate.php b/lib/Models/Project/TaskCreateOrUpdate.php
index be43dba3..94f44279 100644
--- a/lib/Models/Project/TaskCreateOrUpdate.php
+++ b/lib/Models/Project/TaskCreateOrUpdate.php
@@ -348,7 +348,7 @@ public function setEstimateMinutes($estimate_minutes)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -361,7 +361,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -375,7 +375,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -392,7 +392,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/Tasks.php b/lib/Models/Project/Tasks.php
index c8629b22..6a574787 100644
--- a/lib/Models/Project/Tasks.php
+++ b/lib/Models/Project/Tasks.php
@@ -271,7 +271,7 @@ public function setItems($items)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/TimeEntries.php b/lib/Models/Project/TimeEntries.php
index 372bb92a..e66f968b 100644
--- a/lib/Models/Project/TimeEntries.php
+++ b/lib/Models/Project/TimeEntries.php
@@ -271,7 +271,7 @@ public function setItems($items)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/TimeEntry.php b/lib/Models/Project/TimeEntry.php
index f20ea5dd..1a8599c8 100644
--- a/lib/Models/Project/TimeEntry.php
+++ b/lib/Models/Project/TimeEntry.php
@@ -536,7 +536,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -549,7 +549,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -563,7 +563,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -580,7 +580,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/TimeEntryCreateOrUpdate.php b/lib/Models/Project/TimeEntryCreateOrUpdate.php
index 95491282..547dfa25 100644
--- a/lib/Models/Project/TimeEntryCreateOrUpdate.php
+++ b/lib/Models/Project/TimeEntryCreateOrUpdate.php
@@ -382,7 +382,7 @@ public function setDescription($description)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -395,7 +395,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -409,7 +409,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -426,7 +426,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);

From 66e824bedc245ede7c089d0441da112321d36d49 Mon Sep 17 00:00:00 2001
From: Rett Behrens <rett@rettbehrens.codes>
Date: Fri, 6 May 2022 11:49:47 -0600
Subject: [PATCH 6/7] adds missing returntypewillchange tags

---
 lib/Models/Accounting/Account.php                     |  8 ++++----
 lib/Models/Accounting/Accounts.php                    | 11 +++++++----
 lib/Models/Accounting/AccountsPayable.php             |  8 ++++----
 lib/Models/Accounting/AccountsReceivable.php          |  8 ++++----
 lib/Models/Accounting/Action.php                      |  8 ++++----
 lib/Models/Accounting/Actions.php                     | 11 +++++++----
 lib/Models/Accounting/Address.php                     |  8 ++++----
 lib/Models/Accounting/AddressForOrganisation.php      |  8 ++++----
 lib/Models/Accounting/Allocation.php                  |  8 ++++----
 lib/Models/Accounting/Allocations.php                 | 11 +++++++----
 lib/Models/Accounting/Attachment.php                  |  8 ++++----
 lib/Models/Accounting/Attachments.php                 | 11 +++++++----
 lib/Models/Accounting/BalanceDetails.php              |  8 ++++----
 lib/Models/Accounting/Balances.php                    |  8 ++++----
 lib/Models/Accounting/BankTransaction.php             |  8 ++++----
 lib/Models/Accounting/BankTransactions.php            | 11 +++++++----
 lib/Models/Accounting/BankTransfer.php                |  8 ++++----
 lib/Models/Accounting/BankTransfers.php               | 11 +++++++----
 lib/Models/Accounting/BatchPayment.php                |  8 ++++----
 lib/Models/Accounting/BatchPaymentDetails.php         |  8 ++++----
 lib/Models/Accounting/BatchPayments.php               | 11 +++++++----
 lib/Models/Accounting/Bill.php                        |  8 ++++----
 lib/Models/Accounting/BrandingTheme.php               |  8 ++++----
 lib/Models/Accounting/BrandingThemes.php              | 11 +++++++----
 lib/Models/Accounting/Budget.php                      |  8 ++++----
 lib/Models/Accounting/BudgetBalance.php               |  8 ++++----
 lib/Models/Accounting/BudgetLine.php                  |  8 ++++----
 lib/Models/Accounting/Budgets.php                     | 11 +++++++----
 lib/Models/Accounting/CISOrgSetting.php               |  8 ++++----
 lib/Models/Accounting/CISOrgSettings.php              | 11 +++++++----
 lib/Models/Accounting/CISSetting.php                  |  8 ++++----
 lib/Models/Accounting/CISSettings.php                 | 11 +++++++----
 lib/Models/Accounting/Contact.php                     |  8 ++++----
 lib/Models/Accounting/ContactGroup.php                |  8 ++++----
 lib/Models/Accounting/ContactGroups.php               | 11 +++++++----
 lib/Models/Accounting/ContactPerson.php               |  8 ++++----
 lib/Models/Accounting/Contacts.php                    | 11 +++++++----
 lib/Models/Accounting/ConversionBalances.php          |  8 ++++----
 lib/Models/Accounting/ConversionDate.php              |  8 ++++----
 lib/Models/Accounting/CreditNote.php                  |  8 ++++----
 lib/Models/Accounting/CreditNotes.php                 | 11 +++++++----
 lib/Models/Accounting/Currencies.php                  | 11 +++++++----
 lib/Models/Accounting/Currency.php                    |  8 ++++----
 lib/Models/Accounting/Element.php                     |  8 ++++----
 lib/Models/Accounting/Employee.php                    |  8 ++++----
 lib/Models/Accounting/Employees.php                   | 11 +++++++----
 lib/Models/Accounting/Error.php                       |  8 ++++----
 lib/Models/Accounting/ExpenseClaim.php                |  8 ++++----
 lib/Models/Accounting/ExpenseClaims.php               | 11 +++++++----
 lib/Models/Accounting/ExternalLink.php                |  8 ++++----
 lib/Models/Accounting/HistoryRecord.php               |  8 ++++----
 lib/Models/Accounting/HistoryRecords.php              | 11 +++++++----
 lib/Models/Accounting/ImportSummary.php               |  8 ++++----
 lib/Models/Accounting/ImportSummaryAccounts.php       |  8 ++++----
 lib/Models/Accounting/ImportSummaryObject.php         |  8 ++++----
 lib/Models/Accounting/ImportSummaryOrganisation.php   |  8 ++++----
 lib/Models/Accounting/Invoice.php                     |  8 ++++----
 lib/Models/Accounting/InvoiceReminder.php             |  8 ++++----
 lib/Models/Accounting/InvoiceReminders.php            | 11 +++++++----
 lib/Models/Accounting/Invoices.php                    | 11 +++++++----
 lib/Models/Accounting/Item.php                        |  8 ++++----
 lib/Models/Accounting/Items.php                       | 11 +++++++----
 lib/Models/Accounting/Journal.php                     |  8 ++++----
 lib/Models/Accounting/JournalLine.php                 |  8 ++++----
 lib/Models/Accounting/Journals.php                    | 11 +++++++----
 lib/Models/Accounting/LineItem.php                    |  8 ++++----
 lib/Models/Accounting/LineItemItem.php                |  8 ++++----
 lib/Models/Accounting/LineItemTracking.php            |  8 ++++----
 lib/Models/Accounting/LinkedTransaction.php           |  8 ++++----
 lib/Models/Accounting/LinkedTransactions.php          | 11 +++++++----
 lib/Models/Accounting/ManualJournal.php               |  8 ++++----
 lib/Models/Accounting/ManualJournalLine.php           |  8 ++++----
 lib/Models/Accounting/ManualJournals.php              | 11 +++++++----
 lib/Models/Accounting/OnlineInvoice.php               |  8 ++++----
 lib/Models/Accounting/OnlineInvoices.php              | 11 +++++++----
 lib/Models/Accounting/Organisation.php                |  8 ++++----
 lib/Models/Accounting/Organisations.php               | 11 +++++++----
 lib/Models/Accounting/Overpayment.php                 |  8 ++++----
 lib/Models/Accounting/Overpayments.php                | 11 +++++++----
 lib/Models/Accounting/Payment.php                     |  8 ++++----
 lib/Models/Accounting/PaymentDelete.php               |  8 ++++----
 lib/Models/Accounting/PaymentService.php              |  8 ++++----
 lib/Models/Accounting/PaymentServices.php             | 11 +++++++----
 lib/Models/Accounting/PaymentTerm.php                 |  8 ++++----
 lib/Models/Accounting/Payments.php                    | 11 +++++++----
 lib/Models/Accounting/Phone.php                       |  8 ++++----
 lib/Models/Accounting/Prepayment.php                  |  8 ++++----
 lib/Models/Accounting/Prepayments.php                 | 11 +++++++----
 lib/Models/Accounting/Purchase.php                    |  8 ++++----
 lib/Models/Accounting/PurchaseOrder.php               |  8 ++++----
 lib/Models/Accounting/PurchaseOrders.php              | 11 +++++++----
 lib/Models/Accounting/Quote.php                       |  8 ++++----
 lib/Models/Accounting/Quotes.php                      | 11 +++++++----
 lib/Models/Accounting/Receipt.php                     |  8 ++++----
 lib/Models/Accounting/Receipts.php                    | 11 +++++++----
 lib/Models/Accounting/RepeatingInvoice.php            |  8 ++++----
 lib/Models/Accounting/RepeatingInvoices.php           | 11 +++++++----
 lib/Models/Accounting/Report.php                      |  8 ++++----
 lib/Models/Accounting/ReportAttribute.php             |  8 ++++----
 lib/Models/Accounting/ReportCell.php                  |  8 ++++----
 lib/Models/Accounting/ReportFields.php                |  8 ++++----
 lib/Models/Accounting/ReportRow.php                   |  8 ++++----
 lib/Models/Accounting/ReportRows.php                  |  8 ++++----
 lib/Models/Accounting/ReportWithRow.php               |  8 ++++----
 lib/Models/Accounting/ReportWithRows.php              |  8 ++++----
 lib/Models/Accounting/Reports.php                     | 11 +++++++----
 lib/Models/Accounting/RequestEmpty.php                |  8 ++++----
 lib/Models/Accounting/SalesTrackingCategory.php       |  8 ++++----
 lib/Models/Accounting/Schedule.php                    |  8 ++++----
 lib/Models/Accounting/Setup.php                       |  8 ++++----
 lib/Models/Accounting/TaxComponent.php                |  8 ++++----
 lib/Models/Accounting/TaxRate.php                     |  8 ++++----
 lib/Models/Accounting/TaxRates.php                    | 11 +++++++----
 lib/Models/Accounting/TenNinetyNineContact.php        |  8 ++++----
 lib/Models/Accounting/TrackingCategories.php          | 11 +++++++----
 lib/Models/Accounting/TrackingCategory.php            |  8 ++++----
 lib/Models/Accounting/TrackingOption.php              |  8 ++++----
 lib/Models/Accounting/TrackingOptions.php             | 11 +++++++----
 lib/Models/Accounting/User.php                        |  8 ++++----
 lib/Models/Accounting/Users.php                       | 11 +++++++----
 lib/Models/Accounting/ValidationError.php             |  8 ++++----
 lib/Models/AppStore/Plan.php                          |  8 ++++----
 lib/Models/AppStore/Price.php                         |  8 ++++----
 lib/Models/AppStore/ProblemDetails.php                |  8 ++++----
 lib/Models/AppStore/Product.php                       |  8 ++++----
 lib/Models/AppStore/Subscription.php                  |  8 ++++----
 lib/Models/AppStore/SubscriptionItem.php              |  8 ++++----
 lib/Models/Asset/Asset.php                            |  8 ++++----
 lib/Models/Asset/AssetType.php                        |  8 ++++----
 lib/Models/Asset/Assets.php                           |  8 ++++----
 lib/Models/Asset/BookDepreciationDetail.php           |  8 ++++----
 lib/Models/Asset/BookDepreciationSetting.php          |  8 ++++----
 lib/Models/Asset/Error.php                            |  8 ++++----
 lib/Models/Asset/FieldValidationErrorsElement.php     |  8 ++++----
 lib/Models/Asset/Pagination.php                       |  8 ++++----
 lib/Models/Asset/ResourceValidationErrorsElement.php  |  8 ++++----
 lib/Models/Asset/Setting.php                          |  8 ++++----
 lib/Models/File/Association.php                       |  8 ++++----
 lib/Models/File/FileObject.php                        |  8 ++++----
 lib/Models/File/Files.php                             |  8 ++++----
 lib/Models/File/Folder.php                            |  8 ++++----
 lib/Models/File/Folders.php                           |  8 ++++----
 lib/Models/File/User.php                              |  8 ++++----
 lib/Models/Finance/AccountUsage.php                   |  8 ++++----
 lib/Models/Finance/AccountUsageResponse.php           |  8 ++++----
 lib/Models/Finance/BalanceSheetAccountDetail.php      |  8 ++++----
 lib/Models/Finance/BalanceSheetAccountGroup.php       |  8 ++++----
 lib/Models/Finance/BalanceSheetAccountType.php        |  8 ++++----
 lib/Models/Finance/BalanceSheetResponse.php           |  8 ++++----
 .../Finance/BankStatementAccountingResponse.php       |  8 ++++----
 lib/Models/Finance/BankStatementResponse.php          |  8 ++++----
 lib/Models/Finance/BankTransactionResponse.php        |  8 ++++----
 lib/Models/Finance/CashAccountResponse.php            |  8 ++++----
 lib/Models/Finance/CashBalance.php                    |  8 ++++----
 lib/Models/Finance/CashValidationResponse.php         |  8 ++++----
 lib/Models/Finance/CashflowAccount.php                |  8 ++++----
 lib/Models/Finance/CashflowActivity.php               |  8 ++++----
 lib/Models/Finance/CashflowResponse.php               |  8 ++++----
 lib/Models/Finance/CashflowType.php                   |  8 ++++----
 lib/Models/Finance/ContactDetail.php                  |  8 ++++----
 lib/Models/Finance/ContactResponse.php                |  8 ++++----
 lib/Models/Finance/ContactTotalDetail.php             |  8 ++++----
 lib/Models/Finance/ContactTotalOther.php              |  8 ++++----
 lib/Models/Finance/CreditNoteResponse.php             |  8 ++++----
 lib/Models/Finance/CurrentStatementResponse.php       |  8 ++++----
 lib/Models/Finance/DataSourceResponse.php             |  8 ++++----
 lib/Models/Finance/HistoryRecordResponse.php          |  8 ++++----
 lib/Models/Finance/IncomeByContactResponse.php        |  8 ++++----
 lib/Models/Finance/InvoiceResponse.php                |  8 ++++----
 lib/Models/Finance/LineItemResponse.php               |  8 ++++----
 lib/Models/Finance/LockHistoryModel.php               |  8 ++++----
 lib/Models/Finance/LockHistoryResponse.php            |  8 ++++----
 lib/Models/Finance/ManualJournalTotal.php             |  8 ++++----
 lib/Models/Finance/OverpaymentResponse.php            |  8 ++++----
 lib/Models/Finance/PaymentResponse.php                |  8 ++++----
 lib/Models/Finance/PnlAccount.php                     |  8 ++++----
 lib/Models/Finance/PnlAccountClass.php                |  8 ++++----
 lib/Models/Finance/PnlAccountType.php                 |  8 ++++----
 lib/Models/Finance/PracticeResponse.php               |  8 ++++----
 lib/Models/Finance/PrepaymentResponse.php             |  8 ++++----
 lib/Models/Finance/Problem.php                        |  8 ++++----
 lib/Models/Finance/ProfitAndLossResponse.php          |  8 ++++----
 lib/Models/Finance/ReportHistoryModel.php             |  8 ++++----
 lib/Models/Finance/ReportHistoryResponse.php          |  8 ++++----
 lib/Models/Finance/StatementBalanceResponse.php       |  8 ++++----
 lib/Models/Finance/StatementLineResponse.php          |  8 ++++----
 lib/Models/Finance/StatementLinesResponse.php         |  8 ++++----
 lib/Models/Finance/StatementResponse.php              |  8 ++++----
 lib/Models/Finance/TotalDetail.php                    |  8 ++++----
 lib/Models/Finance/TotalOther.php                     |  8 ++++----
 lib/Models/Finance/TrialBalanceAccount.php            |  8 ++++----
 lib/Models/Finance/TrialBalanceEntry.php              |  8 ++++----
 lib/Models/Finance/TrialBalanceMovement.php           |  8 ++++----
 lib/Models/Finance/TrialBalanceResponse.php           |  8 ++++----
 lib/Models/Finance/UserActivitiesResponse.php         |  8 ++++----
 lib/Models/Finance/UserResponse.php                   |  8 ++++----
 lib/Models/Identity/AccessToken.php                   |  8 ++++----
 lib/Models/Identity/Connection.php                    |  8 ++++----
 lib/Models/Identity/RefreshToken.php                  |  8 ++++----
 lib/Models/PayrollAu/APIException.php                 |  8 ++++----
 lib/Models/PayrollAu/Account.php                      |  8 ++++----
 lib/Models/PayrollAu/BankAccount.php                  |  8 ++++----
 lib/Models/PayrollAu/DeductionLine.php                |  8 ++++----
 lib/Models/PayrollAu/DeductionType.php                |  8 ++++----
 lib/Models/PayrollAu/EarningsLine.php                 |  8 ++++----
 lib/Models/PayrollAu/EarningsRate.php                 |  8 ++++----
 lib/Models/PayrollAu/Employee.php                     |  8 ++++----
 lib/Models/PayrollAu/Employees.php                    | 11 +++++++----
 lib/Models/PayrollAu/HomeAddress.php                  |  8 ++++----
 lib/Models/PayrollAu/LeaveAccrualLine.php             |  8 ++++----
 lib/Models/PayrollAu/LeaveApplication.php             |  8 ++++----
 lib/Models/PayrollAu/LeaveApplications.php            | 11 +++++++----
 lib/Models/PayrollAu/LeaveBalance.php                 |  8 ++++----
 lib/Models/PayrollAu/LeaveEarningsLine.php            |  8 ++++----
 lib/Models/PayrollAu/LeaveLine.php                    |  8 ++++----
 lib/Models/PayrollAu/LeaveLines.php                   | 11 +++++++----
 lib/Models/PayrollAu/LeavePeriod.php                  |  8 ++++----
 lib/Models/PayrollAu/LeaveType.php                    |  8 ++++----
 lib/Models/PayrollAu/OpeningBalances.php              |  8 ++++----
 lib/Models/PayrollAu/PayItem.php                      |  8 ++++----
 lib/Models/PayrollAu/PayItems.php                     | 11 +++++++----
 lib/Models/PayrollAu/PayRun.php                       |  8 ++++----
 lib/Models/PayrollAu/PayRuns.php                      | 11 +++++++----
 lib/Models/PayrollAu/PayTemplate.php                  |  8 ++++----
 lib/Models/PayrollAu/PayrollCalendar.php              |  8 ++++----
 lib/Models/PayrollAu/PayrollCalendars.php             | 11 +++++++----
 lib/Models/PayrollAu/Payslip.php                      |  8 ++++----
 lib/Models/PayrollAu/PayslipLines.php                 |  8 ++++----
 lib/Models/PayrollAu/PayslipObject.php                |  8 ++++----
 lib/Models/PayrollAu/PayslipSummary.php               |  8 ++++----
 lib/Models/PayrollAu/Payslips.php                     | 11 +++++++----
 lib/Models/PayrollAu/ReimbursementLine.php            |  8 ++++----
 lib/Models/PayrollAu/ReimbursementLines.php           | 11 +++++++----
 lib/Models/PayrollAu/ReimbursementType.php            |  8 ++++----
 lib/Models/PayrollAu/Settings.php                     |  8 ++++----
 lib/Models/PayrollAu/SettingsObject.php               |  8 ++++----
 lib/Models/PayrollAu/SettingsTrackingCategories.php   |  8 ++++----
 .../SettingsTrackingCategoriesEmployeeGroups.php      |  8 ++++----
 .../SettingsTrackingCategoriesTimesheetCategories.php |  8 ++++----
 lib/Models/PayrollAu/SuperFund.php                    |  8 ++++----
 lib/Models/PayrollAu/SuperFundProduct.php             |  8 ++++----
 lib/Models/PayrollAu/SuperFundProducts.php            | 11 +++++++----
 lib/Models/PayrollAu/SuperFunds.php                   | 11 +++++++----
 lib/Models/PayrollAu/SuperLine.php                    |  8 ++++----
 lib/Models/PayrollAu/SuperMembership.php              |  8 ++++----
 lib/Models/PayrollAu/SuperannuationLine.php           |  8 ++++----
 lib/Models/PayrollAu/TaxDeclaration.php               |  8 ++++----
 lib/Models/PayrollAu/TaxLine.php                      |  8 ++++----
 lib/Models/PayrollAu/Timesheet.php                    |  8 ++++----
 lib/Models/PayrollAu/TimesheetLine.php                |  8 ++++----
 lib/Models/PayrollAu/TimesheetObject.php              |  8 ++++----
 lib/Models/PayrollAu/Timesheets.php                   | 11 +++++++----
 lib/Models/PayrollAu/ValidationError.php              |  8 ++++----
 lib/Models/PayrollNz/Account.php                      |  8 ++++----
 lib/Models/PayrollNz/Accounts.php                     |  8 ++++----
 lib/Models/PayrollNz/Address.php                      |  8 ++++----
 lib/Models/PayrollNz/BankAccount.php                  |  8 ++++----
 lib/Models/PayrollNz/Benefit.php                      |  8 ++++----
 lib/Models/PayrollNz/Deduction.php                    |  8 ++++----
 lib/Models/PayrollNz/DeductionLine.php                |  8 ++++----
 lib/Models/PayrollNz/DeductionObject.php              |  8 ++++----
 lib/Models/PayrollNz/Deductions.php                   |  8 ++++----
 lib/Models/PayrollNz/EarningsLine.php                 |  8 ++++----
 lib/Models/PayrollNz/EarningsOrder.php                |  8 ++++----
 lib/Models/PayrollNz/EarningsOrderObject.php          |  8 ++++----
 lib/Models/PayrollNz/EarningsOrders.php               |  8 ++++----
 lib/Models/PayrollNz/EarningsRate.php                 |  8 ++++----
 lib/Models/PayrollNz/EarningsRateObject.php           |  8 ++++----
 lib/Models/PayrollNz/EarningsRates.php                |  8 ++++----
 lib/Models/PayrollNz/EarningsTemplate.php             |  8 ++++----
 lib/Models/PayrollNz/EarningsTemplateObject.php       |  8 ++++----
 lib/Models/PayrollNz/Employee.php                     |  8 ++++----
 lib/Models/PayrollNz/EmployeeEarningsTemplates.php    |  8 ++++----
 lib/Models/PayrollNz/EmployeeLeave.php                |  8 ++++----
 lib/Models/PayrollNz/EmployeeLeaveBalance.php         |  8 ++++----
 lib/Models/PayrollNz/EmployeeLeaveBalances.php        |  8 ++++----
 lib/Models/PayrollNz/EmployeeLeaveObject.php          |  8 ++++----
 lib/Models/PayrollNz/EmployeeLeaveSetup.php           |  8 ++++----
 lib/Models/PayrollNz/EmployeeLeaveSetupObject.php     |  8 ++++----
 lib/Models/PayrollNz/EmployeeLeaveType.php            |  8 ++++----
 lib/Models/PayrollNz/EmployeeLeaveTypeObject.php      |  8 ++++----
 lib/Models/PayrollNz/EmployeeLeaveTypes.php           |  8 ++++----
 lib/Models/PayrollNz/EmployeeLeaves.php               |  8 ++++----
 lib/Models/PayrollNz/EmployeeObject.php               |  8 ++++----
 lib/Models/PayrollNz/EmployeeOpeningBalance.php       |  8 ++++----
 .../PayrollNz/EmployeeOpeningBalancesObject.php       |  8 ++++----
 lib/Models/PayrollNz/EmployeePayTemplate.php          |  8 ++++----
 lib/Models/PayrollNz/EmployeePayTemplateObject.php    |  8 ++++----
 lib/Models/PayrollNz/EmployeePayTemplates.php         |  8 ++++----
 .../PayrollNz/EmployeeStatutoryLeaveBalance.php       |  8 ++++----
 .../PayrollNz/EmployeeStatutoryLeaveBalanceObject.php |  8 ++++----
 .../PayrollNz/EmployeeStatutoryLeaveSummary.php       |  8 ++++----
 .../PayrollNz/EmployeeStatutoryLeavesSummaries.php    |  8 ++++----
 lib/Models/PayrollNz/EmployeeStatutorySickLeave.php   |  8 ++++----
 .../PayrollNz/EmployeeStatutorySickLeaveObject.php    |  8 ++++----
 lib/Models/PayrollNz/EmployeeStatutorySickLeaves.php  |  8 ++++----
 lib/Models/PayrollNz/EmployeeTax.php                  |  8 ++++----
 lib/Models/PayrollNz/EmployeeTaxObject.php            |  8 ++++----
 lib/Models/PayrollNz/Employees.php                    |  8 ++++----
 lib/Models/PayrollNz/Employment.php                   |  8 ++++----
 lib/Models/PayrollNz/EmploymentObject.php             |  8 ++++----
 lib/Models/PayrollNz/GrossEarningsHistory.php         |  8 ++++----
 lib/Models/PayrollNz/InvalidField.php                 |  8 ++++----
 lib/Models/PayrollNz/LeaveAccrualLine.php             |  8 ++++----
 lib/Models/PayrollNz/LeaveEarningsLine.php            |  8 ++++----
 lib/Models/PayrollNz/LeavePeriod.php                  |  8 ++++----
 lib/Models/PayrollNz/LeavePeriods.php                 |  8 ++++----
 lib/Models/PayrollNz/LeaveType.php                    |  8 ++++----
 lib/Models/PayrollNz/LeaveTypeObject.php              |  8 ++++----
 lib/Models/PayrollNz/LeaveTypes.php                   |  8 ++++----
 lib/Models/PayrollNz/Pagination.php                   |  8 ++++----
 lib/Models/PayrollNz/PayRun.php                       |  8 ++++----
 lib/Models/PayrollNz/PayRunCalendar.php               |  8 ++++----
 lib/Models/PayrollNz/PayRunCalendarObject.php         |  8 ++++----
 lib/Models/PayrollNz/PayRunCalendars.php              |  8 ++++----
 lib/Models/PayrollNz/PayRunObject.php                 |  8 ++++----
 lib/Models/PayrollNz/PayRuns.php                      |  8 ++++----
 lib/Models/PayrollNz/PaySlip.php                      |  8 ++++----
 lib/Models/PayrollNz/PaySlipObject.php                |  8 ++++----
 lib/Models/PayrollNz/PaySlips.php                     |  8 ++++----
 lib/Models/PayrollNz/PaymentLine.php                  |  8 ++++----
 lib/Models/PayrollNz/PaymentMethod.php                |  8 ++++----
 lib/Models/PayrollNz/PaymentMethodObject.php          |  8 ++++----
 lib/Models/PayrollNz/Problem.php                      |  8 ++++----
 lib/Models/PayrollNz/Reimbursement.php                |  8 ++++----
 lib/Models/PayrollNz/ReimbursementLine.php            |  8 ++++----
 lib/Models/PayrollNz/ReimbursementObject.php          |  8 ++++----
 lib/Models/PayrollNz/Reimbursements.php               |  8 ++++----
 lib/Models/PayrollNz/SalaryAndWage.php                |  8 ++++----
 lib/Models/PayrollNz/SalaryAndWageObject.php          |  8 ++++----
 lib/Models/PayrollNz/SalaryAndWages.php               |  8 ++++----
 lib/Models/PayrollNz/Settings.php                     |  8 ++++----
 lib/Models/PayrollNz/StatutoryDeduction.php           |  8 ++++----
 lib/Models/PayrollNz/StatutoryDeductionLine.php       |  8 ++++----
 lib/Models/PayrollNz/StatutoryDeductionObject.php     |  8 ++++----
 lib/Models/PayrollNz/StatutoryDeductions.php          |  8 ++++----
 lib/Models/PayrollNz/SuperannuationLine.php           |  8 ++++----
 lib/Models/PayrollNz/SuperannuationObject.php         |  8 ++++----
 lib/Models/PayrollNz/Superannuations.php              |  8 ++++----
 lib/Models/PayrollNz/TaxLine.php                      |  8 ++++----
 lib/Models/PayrollNz/TaxSettings.php                  |  8 ++++----
 lib/Models/PayrollNz/Timesheet.php                    |  8 ++++----
 lib/Models/PayrollNz/TimesheetEarningsLine.php        |  8 ++++----
 lib/Models/PayrollNz/TimesheetLine.php                |  8 ++++----
 lib/Models/PayrollNz/TimesheetLineObject.php          |  8 ++++----
 lib/Models/PayrollNz/TimesheetObject.php              |  8 ++++----
 lib/Models/PayrollNz/Timesheets.php                   |  8 ++++----
 lib/Models/PayrollNz/TrackingCategories.php           |  8 ++++----
 lib/Models/PayrollNz/TrackingCategory.php             |  8 ++++----
 lib/Models/PayrollUk/Account.php                      |  8 ++++----
 lib/Models/PayrollUk/Accounts.php                     |  8 ++++----
 lib/Models/PayrollUk/Address.php                      |  8 ++++----
 lib/Models/PayrollUk/BankAccount.php                  |  8 ++++----
 lib/Models/PayrollUk/Benefit.php                      |  8 ++++----
 lib/Models/PayrollUk/BenefitLine.php                  |  8 ++++----
 lib/Models/PayrollUk/BenefitObject.php                |  8 ++++----
 lib/Models/PayrollUk/Benefits.php                     |  8 ++++----
 lib/Models/PayrollUk/CourtOrderLine.php               |  8 ++++----
 lib/Models/PayrollUk/Deduction.php                    |  8 ++++----
 lib/Models/PayrollUk/DeductionLine.php                |  8 ++++----
 lib/Models/PayrollUk/DeductionObject.php              |  8 ++++----
 lib/Models/PayrollUk/Deductions.php                   |  8 ++++----
 lib/Models/PayrollUk/EarningsLine.php                 |  8 ++++----
 lib/Models/PayrollUk/EarningsOrder.php                |  8 ++++----
 lib/Models/PayrollUk/EarningsOrderObject.php          |  8 ++++----
 lib/Models/PayrollUk/EarningsOrders.php               |  8 ++++----
 lib/Models/PayrollUk/EarningsRate.php                 |  8 ++++----
 lib/Models/PayrollUk/EarningsRateObject.php           |  8 ++++----
 lib/Models/PayrollUk/EarningsRates.php                |  8 ++++----
 lib/Models/PayrollUk/EarningsTemplate.php             |  8 ++++----
 lib/Models/PayrollUk/EarningsTemplateObject.php       |  8 ++++----
 lib/Models/PayrollUk/Employee.php                     |  8 ++++----
 lib/Models/PayrollUk/EmployeeLeave.php                |  8 ++++----
 lib/Models/PayrollUk/EmployeeLeaveBalance.php         |  8 ++++----
 lib/Models/PayrollUk/EmployeeLeaveBalances.php        |  8 ++++----
 lib/Models/PayrollUk/EmployeeLeaveObject.php          |  8 ++++----
 lib/Models/PayrollUk/EmployeeLeaveType.php            |  8 ++++----
 lib/Models/PayrollUk/EmployeeLeaveTypeObject.php      |  8 ++++----
 lib/Models/PayrollUk/EmployeeLeaveTypes.php           |  8 ++++----
 lib/Models/PayrollUk/EmployeeLeaves.php               |  8 ++++----
 lib/Models/PayrollUk/EmployeeObject.php               |  8 ++++----
 lib/Models/PayrollUk/EmployeeOpeningBalances.php      |  8 ++++----
 .../PayrollUk/EmployeeOpeningBalancesObject.php       |  8 ++++----
 lib/Models/PayrollUk/EmployeePayTemplate.php          |  8 ++++----
 lib/Models/PayrollUk/EmployeePayTemplateObject.php    |  8 ++++----
 lib/Models/PayrollUk/EmployeePayTemplates.php         |  8 ++++----
 .../PayrollUk/EmployeeStatutoryLeaveBalance.php       |  8 ++++----
 .../PayrollUk/EmployeeStatutoryLeaveBalanceObject.php |  8 ++++----
 .../PayrollUk/EmployeeStatutoryLeaveSummary.php       |  8 ++++----
 .../PayrollUk/EmployeeStatutoryLeavesSummaries.php    |  8 ++++----
 lib/Models/PayrollUk/EmployeeStatutorySickLeave.php   |  8 ++++----
 .../PayrollUk/EmployeeStatutorySickLeaveObject.php    |  8 ++++----
 lib/Models/PayrollUk/EmployeeStatutorySickLeaves.php  |  8 ++++----
 lib/Models/PayrollUk/EmployeeTax.php                  |  8 ++++----
 lib/Models/PayrollUk/EmployeeTaxObject.php            |  8 ++++----
 lib/Models/PayrollUk/Employees.php                    |  8 ++++----
 lib/Models/PayrollUk/Employment.php                   |  8 ++++----
 lib/Models/PayrollUk/EmploymentObject.php             |  8 ++++----
 lib/Models/PayrollUk/InvalidField.php                 |  8 ++++----
 lib/Models/PayrollUk/LeaveAccrualLine.php             |  8 ++++----
 lib/Models/PayrollUk/LeaveEarningsLine.php            |  8 ++++----
 lib/Models/PayrollUk/LeavePeriod.php                  |  8 ++++----
 lib/Models/PayrollUk/LeavePeriods.php                 |  8 ++++----
 lib/Models/PayrollUk/LeaveType.php                    |  8 ++++----
 lib/Models/PayrollUk/LeaveTypeObject.php              |  8 ++++----
 lib/Models/PayrollUk/LeaveTypes.php                   |  8 ++++----
 lib/Models/PayrollUk/Pagination.php                   |  8 ++++----
 lib/Models/PayrollUk/PayRun.php                       |  8 ++++----
 lib/Models/PayrollUk/PayRunCalendar.php               |  8 ++++----
 lib/Models/PayrollUk/PayRunCalendarObject.php         |  8 ++++----
 lib/Models/PayrollUk/PayRunCalendars.php              |  8 ++++----
 lib/Models/PayrollUk/PayRunObject.php                 |  8 ++++----
 lib/Models/PayrollUk/PayRuns.php                      |  8 ++++----
 lib/Models/PayrollUk/PaymentLine.php                  |  8 ++++----
 lib/Models/PayrollUk/PaymentMethod.php                |  8 ++++----
 lib/Models/PayrollUk/PaymentMethodObject.php          |  8 ++++----
 lib/Models/PayrollUk/Payslip.php                      |  8 ++++----
 lib/Models/PayrollUk/PayslipObject.php                |  8 ++++----
 lib/Models/PayrollUk/Payslips.php                     |  8 ++++----
 lib/Models/PayrollUk/Problem.php                      |  8 ++++----
 lib/Models/PayrollUk/Reimbursement.php                |  8 ++++----
 lib/Models/PayrollUk/ReimbursementLine.php            |  8 ++++----
 lib/Models/PayrollUk/ReimbursementObject.php          |  8 ++++----
 lib/Models/PayrollUk/Reimbursements.php               |  8 ++++----
 lib/Models/PayrollUk/SalaryAndWage.php                |  8 ++++----
 lib/Models/PayrollUk/SalaryAndWageObject.php          |  8 ++++----
 lib/Models/PayrollUk/SalaryAndWages.php               |  8 ++++----
 lib/Models/PayrollUk/Settings.php                     |  8 ++++----
 lib/Models/PayrollUk/StatutoryDeduction.php           |  8 ++++----
 lib/Models/PayrollUk/TaxLine.php                      |  8 ++++----
 lib/Models/PayrollUk/Timesheet.php                    |  8 ++++----
 lib/Models/PayrollUk/TimesheetEarningsLine.php        |  8 ++++----
 lib/Models/PayrollUk/TimesheetLine.php                |  8 ++++----
 lib/Models/PayrollUk/TimesheetLineObject.php          |  8 ++++----
 lib/Models/PayrollUk/TimesheetObject.php              |  8 ++++----
 lib/Models/PayrollUk/Timesheets.php                   |  8 ++++----
 lib/Models/PayrollUk/TrackingCategories.php           |  8 ++++----
 lib/Models/PayrollUk/TrackingCategory.php             |  8 ++++----
 lib/Models/Project/Amount.php                         |  8 ++++----
 lib/Models/Project/Error.php                          |  8 ++++----
 lib/Models/Project/Pagination.php                     |  8 ++++----
 lib/Models/Project/Project.php                        |  8 ++++----
 lib/Models/Project/ProjectCreateOrUpdate.php          |  8 ++++----
 lib/Models/Project/ProjectPatch.php                   |  8 ++++----
 lib/Models/Project/ProjectUser.php                    |  8 ++++----
 lib/Models/Project/ProjectUsers.php                   |  8 ++++----
 lib/Models/Project/Projects.php                       |  8 ++++----
 lib/Models/Project/Task.php                           |  8 ++++----
 lib/Models/Project/TaskCreateOrUpdate.php             |  8 ++++----
 lib/Models/Project/Tasks.php                          |  8 ++++----
 lib/Models/Project/TimeEntries.php                    |  8 ++++----
 lib/Models/Project/TimeEntry.php                      |  8 ++++----
 lib/Models/Project/TimeEntryCreateOrUpdate.php        |  8 ++++----
 453 files changed, 1962 insertions(+), 1812 deletions(-)

diff --git a/lib/Models/Accounting/Account.php b/lib/Models/Accounting/Account.php
index 884c6fd9..48d97d27 100644
--- a/lib/Models/Accounting/Account.php
+++ b/lib/Models/Accounting/Account.php
@@ -1056,7 +1056,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1069,7 +1069,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1083,7 +1083,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1100,7 +1100,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Accounts.php b/lib/Models/Accounting/Accounts.php
index 8ea09109..8f8fb9c1 100644
--- a/lib/Models/Accounting/Accounts.php
+++ b/lib/Models/Accounting/Accounts.php
@@ -238,7 +238,7 @@ public function setAccounts($accounts)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['accounts'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['accounts'][$offset]) ? $this->container['accounts'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['accounts'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['accounts']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['accounts']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->Accounts;
diff --git a/lib/Models/Accounting/AccountsPayable.php b/lib/Models/Accounting/AccountsPayable.php
index f7d98797..f1e36298 100644
--- a/lib/Models/Accounting/AccountsPayable.php
+++ b/lib/Models/Accounting/AccountsPayable.php
@@ -271,7 +271,7 @@ public function setOverdue($overdue)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/AccountsReceivable.php b/lib/Models/Accounting/AccountsReceivable.php
index f82711c6..52cd486a 100644
--- a/lib/Models/Accounting/AccountsReceivable.php
+++ b/lib/Models/Accounting/AccountsReceivable.php
@@ -271,7 +271,7 @@ public function setOverdue($overdue)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Action.php b/lib/Models/Accounting/Action.php
index 69c9355e..16e15ce0 100644
--- a/lib/Models/Accounting/Action.php
+++ b/lib/Models/Accounting/Action.php
@@ -303,7 +303,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -316,7 +316,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -330,7 +330,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -347,7 +347,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Actions.php b/lib/Models/Accounting/Actions.php
index e0bfe963..1555e04c 100644
--- a/lib/Models/Accounting/Actions.php
+++ b/lib/Models/Accounting/Actions.php
@@ -238,7 +238,7 @@ public function setActions($actions)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['actions'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['actions'][$offset]) ? $this->container['actions'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['actions'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['actions']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['actions']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->Actions;
diff --git a/lib/Models/Accounting/Address.php b/lib/Models/Accounting/Address.php
index b76c475f..d060c3ca 100644
--- a/lib/Models/Accounting/Address.php
+++ b/lib/Models/Accounting/Address.php
@@ -639,7 +639,7 @@ public function setAttentionTo($attention_to)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -652,7 +652,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -666,7 +666,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -683,7 +683,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/AddressForOrganisation.php b/lib/Models/Accounting/AddressForOrganisation.php
index 0c65d43d..d30f804a 100644
--- a/lib/Models/Accounting/AddressForOrganisation.php
+++ b/lib/Models/Accounting/AddressForOrganisation.php
@@ -641,7 +641,7 @@ public function setAttentionTo($attention_to)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -654,7 +654,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -668,7 +668,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -685,7 +685,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Allocation.php b/lib/Models/Accounting/Allocation.php
index 1ed60ba9..a3cd4f74 100644
--- a/lib/Models/Accounting/Allocation.php
+++ b/lib/Models/Accounting/Allocation.php
@@ -504,7 +504,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -517,7 +517,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -531,7 +531,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -548,7 +548,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Allocations.php b/lib/Models/Accounting/Allocations.php
index f91b46fa..2496451b 100644
--- a/lib/Models/Accounting/Allocations.php
+++ b/lib/Models/Accounting/Allocations.php
@@ -238,7 +238,7 @@ public function setAllocations($allocations)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['allocations'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['allocations'][$offset]) ? $this->container['allocations'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['allocations'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['allocations']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['allocations']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->Allocations;
diff --git a/lib/Models/Accounting/Attachment.php b/lib/Models/Accounting/Attachment.php
index ecdce976..5667f02f 100644
--- a/lib/Models/Accounting/Attachment.php
+++ b/lib/Models/Accounting/Attachment.php
@@ -403,7 +403,7 @@ public function setIncludeOnline($include_online)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Attachments.php b/lib/Models/Accounting/Attachments.php
index 08383623..3ebb8bad 100644
--- a/lib/Models/Accounting/Attachments.php
+++ b/lib/Models/Accounting/Attachments.php
@@ -238,7 +238,7 @@ public function setAttachments($attachments)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['attachments'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['attachments'][$offset]) ? $this->container['attachments'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['attachments'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['attachments']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['attachments']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->Attachments;
diff --git a/lib/Models/Accounting/BalanceDetails.php b/lib/Models/Accounting/BalanceDetails.php
index 214a0764..1a25d6d4 100644
--- a/lib/Models/Accounting/BalanceDetails.php
+++ b/lib/Models/Accounting/BalanceDetails.php
@@ -305,7 +305,7 @@ public function setCurrencyRate($currency_rate)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -318,7 +318,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -332,7 +332,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -349,7 +349,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Balances.php b/lib/Models/Accounting/Balances.php
index b8f8acbe..918b9448 100644
--- a/lib/Models/Accounting/Balances.php
+++ b/lib/Models/Accounting/Balances.php
@@ -272,7 +272,7 @@ public function setAccountsPayable($accounts_payable)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -285,7 +285,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -299,7 +299,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -316,7 +316,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/BankTransaction.php b/lib/Models/Accounting/BankTransaction.php
index 3915ec71..65219cd9 100644
--- a/lib/Models/Accounting/BankTransaction.php
+++ b/lib/Models/Accounting/BankTransaction.php
@@ -1048,7 +1048,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1061,7 +1061,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1075,7 +1075,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1092,7 +1092,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/BankTransactions.php b/lib/Models/Accounting/BankTransactions.php
index 32341d50..a14cf4b8 100644
--- a/lib/Models/Accounting/BankTransactions.php
+++ b/lib/Models/Accounting/BankTransactions.php
@@ -238,7 +238,7 @@ public function setBankTransactions($bank_transactions)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['bank_transactions'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['bank_transactions'][$offset]) ? $this->container['bank_transactions'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['bank_transactions'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['bank_transactions']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['bank_transactions']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->BankTransactions;
diff --git a/lib/Models/Accounting/BankTransfer.php b/lib/Models/Accounting/BankTransfer.php
index d8147934..232927ea 100644
--- a/lib/Models/Accounting/BankTransfer.php
+++ b/lib/Models/Accounting/BankTransfer.php
@@ -704,7 +704,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -717,7 +717,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -731,7 +731,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -748,7 +748,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/BankTransfers.php b/lib/Models/Accounting/BankTransfers.php
index e1082a7d..c27b762e 100644
--- a/lib/Models/Accounting/BankTransfers.php
+++ b/lib/Models/Accounting/BankTransfers.php
@@ -238,7 +238,7 @@ public function setBankTransfers($bank_transfers)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['bank_transfers'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['bank_transfers'][$offset]) ? $this->container['bank_transfers'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['bank_transfers'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['bank_transfers']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['bank_transfers']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->BankTransfers;
diff --git a/lib/Models/Accounting/BatchPayment.php b/lib/Models/Accounting/BatchPayment.php
index 0ff8465b..19dc8579 100644
--- a/lib/Models/Accounting/BatchPayment.php
+++ b/lib/Models/Accounting/BatchPayment.php
@@ -890,7 +890,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -903,7 +903,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -917,7 +917,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -934,7 +934,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/BatchPaymentDetails.php b/lib/Models/Accounting/BatchPaymentDetails.php
index 5b153f93..aae1e3ab 100644
--- a/lib/Models/Accounting/BatchPaymentDetails.php
+++ b/lib/Models/Accounting/BatchPaymentDetails.php
@@ -387,7 +387,7 @@ public function setReference($reference)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -400,7 +400,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -414,7 +414,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -431,7 +431,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/BatchPayments.php b/lib/Models/Accounting/BatchPayments.php
index 7977a419..0202d6a5 100644
--- a/lib/Models/Accounting/BatchPayments.php
+++ b/lib/Models/Accounting/BatchPayments.php
@@ -238,7 +238,7 @@ public function setBatchPayments($batch_payments)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['batch_payments'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['batch_payments'][$offset]) ? $this->container['batch_payments'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['batch_payments'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['batch_payments']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['batch_payments']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->BatchPayments;
diff --git a/lib/Models/Accounting/Bill.php b/lib/Models/Accounting/Bill.php
index 3c4509c0..a83c63ef 100644
--- a/lib/Models/Accounting/Bill.php
+++ b/lib/Models/Accounting/Bill.php
@@ -271,7 +271,7 @@ public function setType($type)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/BrandingTheme.php b/lib/Models/Accounting/BrandingTheme.php
index ac3e52db..609b6860 100644
--- a/lib/Models/Accounting/BrandingTheme.php
+++ b/lib/Models/Accounting/BrandingTheme.php
@@ -440,7 +440,7 @@ public function setCreatedDateUtc($created_date_utc)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -453,7 +453,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -467,7 +467,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -484,7 +484,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/BrandingThemes.php b/lib/Models/Accounting/BrandingThemes.php
index e5fce392..9158b647 100644
--- a/lib/Models/Accounting/BrandingThemes.php
+++ b/lib/Models/Accounting/BrandingThemes.php
@@ -238,7 +238,7 @@ public function setBrandingThemes($branding_themes)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['branding_themes'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['branding_themes'][$offset]) ? $this->container['branding_themes'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['branding_themes'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['branding_themes']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['branding_themes']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->BrandingThemes;
diff --git a/lib/Models/Accounting/Budget.php b/lib/Models/Accounting/Budget.php
index 5026ae71..125ba438 100644
--- a/lib/Models/Accounting/Budget.php
+++ b/lib/Models/Accounting/Budget.php
@@ -450,7 +450,7 @@ public function setTracking($tracking)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -463,7 +463,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -477,7 +477,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -494,7 +494,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/BudgetBalance.php b/lib/Models/Accounting/BudgetBalance.php
index ff7c82eb..08bf7822 100644
--- a/lib/Models/Accounting/BudgetBalance.php
+++ b/lib/Models/Accounting/BudgetBalance.php
@@ -371,7 +371,7 @@ public function setNotes($notes)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -384,7 +384,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -398,7 +398,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -415,7 +415,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/BudgetLine.php b/lib/Models/Accounting/BudgetLine.php
index 745a0814..3f345dc9 100644
--- a/lib/Models/Accounting/BudgetLine.php
+++ b/lib/Models/Accounting/BudgetLine.php
@@ -304,7 +304,7 @@ public function setBudgetBalances($budget_balances)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Budgets.php b/lib/Models/Accounting/Budgets.php
index f194d92e..64de8c99 100644
--- a/lib/Models/Accounting/Budgets.php
+++ b/lib/Models/Accounting/Budgets.php
@@ -238,7 +238,7 @@ public function setBudgets($budgets)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['budgets'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['budgets'][$offset]) ? $this->container['budgets'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['budgets'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['budgets']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['budgets']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->Budgets;
diff --git a/lib/Models/Accounting/CISOrgSetting.php b/lib/Models/Accounting/CISOrgSetting.php
index 47a798a2..d2667ad4 100644
--- a/lib/Models/Accounting/CISOrgSetting.php
+++ b/lib/Models/Accounting/CISOrgSetting.php
@@ -303,7 +303,7 @@ public function setRate($rate)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -316,7 +316,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -330,7 +330,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -347,7 +347,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/CISOrgSettings.php b/lib/Models/Accounting/CISOrgSettings.php
index 2e115fa1..eb722f4d 100644
--- a/lib/Models/Accounting/CISOrgSettings.php
+++ b/lib/Models/Accounting/CISOrgSettings.php
@@ -238,7 +238,7 @@ public function setCisSettings($cis_settings)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['cis_settings'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['cis_settings'][$offset]) ? $this->container['cis_settings'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['cis_settings'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['cis_settings']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['cis_settings']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->CISOrgSettings;
diff --git a/lib/Models/Accounting/CISSetting.php b/lib/Models/Accounting/CISSetting.php
index c97ac6d4..ab736728 100644
--- a/lib/Models/Accounting/CISSetting.php
+++ b/lib/Models/Accounting/CISSetting.php
@@ -270,7 +270,7 @@ public function setRate($rate)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -283,7 +283,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -297,7 +297,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -314,7 +314,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/CISSettings.php b/lib/Models/Accounting/CISSettings.php
index 6d6a88a3..eb4a5deb 100644
--- a/lib/Models/Accounting/CISSettings.php
+++ b/lib/Models/Accounting/CISSettings.php
@@ -238,7 +238,7 @@ public function setCisSettings($cis_settings)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['cis_settings'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['cis_settings'][$offset]) ? $this->container['cis_settings'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['cis_settings'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['cis_settings']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['cis_settings']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->CISSettings;
diff --git a/lib/Models/Accounting/Contact.php b/lib/Models/Accounting/Contact.php
index 131da4a5..c9d5765e 100644
--- a/lib/Models/Accounting/Contact.php
+++ b/lib/Models/Accounting/Contact.php
@@ -1795,7 +1795,7 @@ public function setStatusAttributeString($status_attribute_string)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1808,7 +1808,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1822,7 +1822,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1839,7 +1839,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ContactGroup.php b/lib/Models/Accounting/ContactGroup.php
index b5b403ef..84f5fd32 100644
--- a/lib/Models/Accounting/ContactGroup.php
+++ b/lib/Models/Accounting/ContactGroup.php
@@ -369,7 +369,7 @@ public function setContacts($contacts)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -382,7 +382,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -396,7 +396,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -413,7 +413,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ContactGroups.php b/lib/Models/Accounting/ContactGroups.php
index 1d474a01..d48f70c3 100644
--- a/lib/Models/Accounting/ContactGroups.php
+++ b/lib/Models/Accounting/ContactGroups.php
@@ -238,7 +238,7 @@ public function setContactGroups($contact_groups)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['contact_groups'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['contact_groups'][$offset]) ? $this->container['contact_groups'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['contact_groups'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['contact_groups']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['contact_groups']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->ContactGroups;
diff --git a/lib/Models/Accounting/ContactPerson.php b/lib/Models/Accounting/ContactPerson.php
index befc3349..e04671dd 100644
--- a/lib/Models/Accounting/ContactPerson.php
+++ b/lib/Models/Accounting/ContactPerson.php
@@ -337,7 +337,7 @@ public function setIncludeInEmails($include_in_emails)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Contacts.php b/lib/Models/Accounting/Contacts.php
index eaa73083..88b2ddc6 100644
--- a/lib/Models/Accounting/Contacts.php
+++ b/lib/Models/Accounting/Contacts.php
@@ -238,7 +238,7 @@ public function setContacts($contacts)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['contacts'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['contacts'][$offset]) ? $this->container['contacts'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['contacts'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['contacts']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['contacts']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->Contacts;
diff --git a/lib/Models/Accounting/ConversionBalances.php b/lib/Models/Accounting/ConversionBalances.php
index 563326ce..9ccd4134 100644
--- a/lib/Models/Accounting/ConversionBalances.php
+++ b/lib/Models/Accounting/ConversionBalances.php
@@ -305,7 +305,7 @@ public function setBalanceDetails($balance_details)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -318,7 +318,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -332,7 +332,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -349,7 +349,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ConversionDate.php b/lib/Models/Accounting/ConversionDate.php
index 1d79c50b..10ab1622 100644
--- a/lib/Models/Accounting/ConversionDate.php
+++ b/lib/Models/Accounting/ConversionDate.php
@@ -272,7 +272,7 @@ public function setYear($year)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -285,7 +285,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -299,7 +299,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -316,7 +316,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/CreditNote.php b/lib/Models/Accounting/CreditNote.php
index d6fa205d..04c837a2 100644
--- a/lib/Models/Accounting/CreditNote.php
+++ b/lib/Models/Accounting/CreditNote.php
@@ -1349,7 +1349,7 @@ public function setWarnings($warnings)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1362,7 +1362,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1376,7 +1376,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1393,7 +1393,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/CreditNotes.php b/lib/Models/Accounting/CreditNotes.php
index 2aa00479..f41eeeb4 100644
--- a/lib/Models/Accounting/CreditNotes.php
+++ b/lib/Models/Accounting/CreditNotes.php
@@ -238,7 +238,7 @@ public function setCreditNotes($credit_notes)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['credit_notes'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['credit_notes'][$offset]) ? $this->container['credit_notes'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['credit_notes'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['credit_notes']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['credit_notes']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->CreditNotes;
diff --git a/lib/Models/Accounting/Currencies.php b/lib/Models/Accounting/Currencies.php
index ef18a620..b65d8f60 100644
--- a/lib/Models/Accounting/Currencies.php
+++ b/lib/Models/Accounting/Currencies.php
@@ -238,7 +238,7 @@ public function setCurrencies($currencies)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['currencies'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['currencies'][$offset]) ? $this->container['currencies'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['currencies'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['currencies']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['currencies']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->Currencies;
diff --git a/lib/Models/Accounting/Currency.php b/lib/Models/Accounting/Currency.php
index 8a0d34e9..12d185d8 100644
--- a/lib/Models/Accounting/Currency.php
+++ b/lib/Models/Accounting/Currency.php
@@ -271,7 +271,7 @@ public function setDescription($description)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Element.php b/lib/Models/Accounting/Element.php
index 54a414f0..337c32ff 100644
--- a/lib/Models/Accounting/Element.php
+++ b/lib/Models/Accounting/Element.php
@@ -469,7 +469,7 @@ public function setPurchaseOrderId($purchase_order_id)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -482,7 +482,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -496,7 +496,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -513,7 +513,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Employee.php b/lib/Models/Accounting/Employee.php
index 2a2a4d3e..ae2c3045 100644
--- a/lib/Models/Accounting/Employee.php
+++ b/lib/Models/Accounting/Employee.php
@@ -528,7 +528,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -541,7 +541,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -555,7 +555,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -572,7 +572,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Employees.php b/lib/Models/Accounting/Employees.php
index fe433f8c..6a3f9ca8 100644
--- a/lib/Models/Accounting/Employees.php
+++ b/lib/Models/Accounting/Employees.php
@@ -238,7 +238,7 @@ public function setEmployees($employees)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['employees'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['employees'][$offset]) ? $this->container['employees'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['employees'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['employees']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['employees']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->Employees;
diff --git a/lib/Models/Accounting/Error.php b/lib/Models/Accounting/Error.php
index 37efb006..711511d7 100644
--- a/lib/Models/Accounting/Error.php
+++ b/lib/Models/Accounting/Error.php
@@ -337,7 +337,7 @@ public function setElements($elements)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ExpenseClaim.php b/lib/Models/Accounting/ExpenseClaim.php
index a978bf51..3482d852 100644
--- a/lib/Models/Accounting/ExpenseClaim.php
+++ b/lib/Models/Accounting/ExpenseClaim.php
@@ -657,7 +657,7 @@ public function setReceiptId($receipt_id)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -670,7 +670,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -684,7 +684,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -701,7 +701,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ExpenseClaims.php b/lib/Models/Accounting/ExpenseClaims.php
index 4050a2a2..68791770 100644
--- a/lib/Models/Accounting/ExpenseClaims.php
+++ b/lib/Models/Accounting/ExpenseClaims.php
@@ -238,7 +238,7 @@ public function setExpenseClaims($expense_claims)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['expense_claims'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['expense_claims'][$offset]) ? $this->container['expense_claims'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['expense_claims'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['expense_claims']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['expense_claims']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->ExpenseClaims;
diff --git a/lib/Models/Accounting/ExternalLink.php b/lib/Models/Accounting/ExternalLink.php
index 78f4bc85..02dd7578 100644
--- a/lib/Models/Accounting/ExternalLink.php
+++ b/lib/Models/Accounting/ExternalLink.php
@@ -342,7 +342,7 @@ public function setDescription($description)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -355,7 +355,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -369,7 +369,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -386,7 +386,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/HistoryRecord.php b/lib/Models/Accounting/HistoryRecord.php
index 3b5efbdc..95b7697a 100644
--- a/lib/Models/Accounting/HistoryRecord.php
+++ b/lib/Models/Accounting/HistoryRecord.php
@@ -344,7 +344,7 @@ public function setDateUtc($date_utc)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -357,7 +357,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -371,7 +371,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -388,7 +388,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/HistoryRecords.php b/lib/Models/Accounting/HistoryRecords.php
index 5a161e12..04ec62d2 100644
--- a/lib/Models/Accounting/HistoryRecords.php
+++ b/lib/Models/Accounting/HistoryRecords.php
@@ -238,7 +238,7 @@ public function setHistoryRecords($history_records)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['history_records'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['history_records'][$offset]) ? $this->container['history_records'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['history_records'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['history_records']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['history_records']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->HistoryRecords;
diff --git a/lib/Models/Accounting/ImportSummary.php b/lib/Models/Accounting/ImportSummary.php
index 9bf80b8f..4e97d19c 100644
--- a/lib/Models/Accounting/ImportSummary.php
+++ b/lib/Models/Accounting/ImportSummary.php
@@ -272,7 +272,7 @@ public function setOrganisation($organisation)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -285,7 +285,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -299,7 +299,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -316,7 +316,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ImportSummaryAccounts.php b/lib/Models/Accounting/ImportSummaryAccounts.php
index e8657c5b..f6ef3011 100644
--- a/lib/Models/Accounting/ImportSummaryAccounts.php
+++ b/lib/Models/Accounting/ImportSummaryAccounts.php
@@ -503,7 +503,7 @@ public function setNewOrUpdated($new_or_updated)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -516,7 +516,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -530,7 +530,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -547,7 +547,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ImportSummaryObject.php b/lib/Models/Accounting/ImportSummaryObject.php
index 1ded6bdb..a271b82a 100644
--- a/lib/Models/Accounting/ImportSummaryObject.php
+++ b/lib/Models/Accounting/ImportSummaryObject.php
@@ -238,7 +238,7 @@ public function setImportSummary($import_summary)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ImportSummaryOrganisation.php b/lib/Models/Accounting/ImportSummaryOrganisation.php
index 8a6151ab..733b2550 100644
--- a/lib/Models/Accounting/ImportSummaryOrganisation.php
+++ b/lib/Models/Accounting/ImportSummaryOrganisation.php
@@ -238,7 +238,7 @@ public function setPresent($present)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Invoice.php b/lib/Models/Accounting/Invoice.php
index c6bbddc0..9b4fd1ed 100644
--- a/lib/Models/Accounting/Invoice.php
+++ b/lib/Models/Accounting/Invoice.php
@@ -1720,7 +1720,7 @@ public function setWarnings($warnings)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1733,7 +1733,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1747,7 +1747,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1764,7 +1764,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/InvoiceReminder.php b/lib/Models/Accounting/InvoiceReminder.php
index ba98ff41..4dd5ceea 100644
--- a/lib/Models/Accounting/InvoiceReminder.php
+++ b/lib/Models/Accounting/InvoiceReminder.php
@@ -238,7 +238,7 @@ public function setEnabled($enabled)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/InvoiceReminders.php b/lib/Models/Accounting/InvoiceReminders.php
index c28faec0..56c466a1 100644
--- a/lib/Models/Accounting/InvoiceReminders.php
+++ b/lib/Models/Accounting/InvoiceReminders.php
@@ -238,7 +238,7 @@ public function setInvoiceReminders($invoice_reminders)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['invoice_reminders'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['invoice_reminders'][$offset]) ? $this->container['invoice_reminders'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['invoice_reminders'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['invoice_reminders']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['invoice_reminders']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->InvoiceReminders;
diff --git a/lib/Models/Accounting/Invoices.php b/lib/Models/Accounting/Invoices.php
index 92b3bb9e..b7380556 100644
--- a/lib/Models/Accounting/Invoices.php
+++ b/lib/Models/Accounting/Invoices.php
@@ -238,7 +238,7 @@ public function setInvoices($invoices)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['invoices'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['invoices'][$offset]) ? $this->container['invoices'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['invoices'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['invoices']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['invoices']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->Invoices;
diff --git a/lib/Models/Accounting/Item.php b/lib/Models/Accounting/Item.php
index 898a621b..8b559cff 100644
--- a/lib/Models/Accounting/Item.php
+++ b/lib/Models/Accounting/Item.php
@@ -775,7 +775,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -788,7 +788,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -802,7 +802,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -819,7 +819,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Items.php b/lib/Models/Accounting/Items.php
index 40b2817f..8b392487 100644
--- a/lib/Models/Accounting/Items.php
+++ b/lib/Models/Accounting/Items.php
@@ -238,7 +238,7 @@ public function setItems($items)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['items'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['items'][$offset]) ? $this->container['items'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['items'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['items']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['items']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->Items;
diff --git a/lib/Models/Accounting/Journal.php b/lib/Models/Accounting/Journal.php
index 585e99a9..5fffab6c 100644
--- a/lib/Models/Accounting/Journal.php
+++ b/lib/Models/Accounting/Journal.php
@@ -580,7 +580,7 @@ public function setJournalLines($journal_lines)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -593,7 +593,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -607,7 +607,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -624,7 +624,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/JournalLine.php b/lib/Models/Accounting/JournalLine.php
index 17d46d50..83e84f91 100644
--- a/lib/Models/Accounting/JournalLine.php
+++ b/lib/Models/Accounting/JournalLine.php
@@ -600,7 +600,7 @@ public function setTrackingCategories($tracking_categories)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -613,7 +613,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -627,7 +627,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -644,7 +644,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Journals.php b/lib/Models/Accounting/Journals.php
index 3ad74db1..d0a5e0fb 100644
--- a/lib/Models/Accounting/Journals.php
+++ b/lib/Models/Accounting/Journals.php
@@ -238,7 +238,7 @@ public function setJournals($journals)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['journals'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['journals'][$offset]) ? $this->container['journals'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['journals'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['journals']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['journals']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->Journals;
diff --git a/lib/Models/Accounting/LineItem.php b/lib/Models/Accounting/LineItem.php
index c66d0f05..ecf1fae8 100644
--- a/lib/Models/Accounting/LineItem.php
+++ b/lib/Models/Accounting/LineItem.php
@@ -700,7 +700,7 @@ public function setRepeatingInvoiceId($repeating_invoice_id)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -713,7 +713,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -727,7 +727,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -744,7 +744,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/LineItemItem.php b/lib/Models/Accounting/LineItemItem.php
index 1a2f8afc..231260a1 100644
--- a/lib/Models/Accounting/LineItemItem.php
+++ b/lib/Models/Accounting/LineItemItem.php
@@ -320,7 +320,7 @@ public function setItemId($item_id)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -333,7 +333,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -347,7 +347,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -364,7 +364,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/LineItemTracking.php b/lib/Models/Accounting/LineItemTracking.php
index 716d5680..51433c18 100644
--- a/lib/Models/Accounting/LineItemTracking.php
+++ b/lib/Models/Accounting/LineItemTracking.php
@@ -345,7 +345,7 @@ public function setOption($option)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -358,7 +358,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -372,7 +372,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -389,7 +389,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/LinkedTransaction.php b/lib/Models/Accounting/LinkedTransaction.php
index c1907369..30c499fc 100644
--- a/lib/Models/Accounting/LinkedTransaction.php
+++ b/lib/Models/Accounting/LinkedTransaction.php
@@ -675,7 +675,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -688,7 +688,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -702,7 +702,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -719,7 +719,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/LinkedTransactions.php b/lib/Models/Accounting/LinkedTransactions.php
index 7aac2647..5ff69a76 100644
--- a/lib/Models/Accounting/LinkedTransactions.php
+++ b/lib/Models/Accounting/LinkedTransactions.php
@@ -238,7 +238,7 @@ public function setLinkedTransactions($linked_transactions)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['linked_transactions'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['linked_transactions'][$offset]) ? $this->container['linked_transactions'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['linked_transactions'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['linked_transactions']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['linked_transactions']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->LinkedTransactions;
diff --git a/lib/Models/Accounting/ManualJournal.php b/lib/Models/Accounting/ManualJournal.php
index ee6df6ff..145130c6 100644
--- a/lib/Models/Accounting/ManualJournal.php
+++ b/lib/Models/Accounting/ManualJournal.php
@@ -740,7 +740,7 @@ public function setAttachments($attachments)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -753,7 +753,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -767,7 +767,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -784,7 +784,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ManualJournalLine.php b/lib/Models/Accounting/ManualJournalLine.php
index 263aa0cd..38032f07 100644
--- a/lib/Models/Accounting/ManualJournalLine.php
+++ b/lib/Models/Accounting/ManualJournalLine.php
@@ -469,7 +469,7 @@ public function setIsBlank($is_blank)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -482,7 +482,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -496,7 +496,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -513,7 +513,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ManualJournals.php b/lib/Models/Accounting/ManualJournals.php
index d576dcb5..68fe0c2b 100644
--- a/lib/Models/Accounting/ManualJournals.php
+++ b/lib/Models/Accounting/ManualJournals.php
@@ -238,7 +238,7 @@ public function setManualJournals($manual_journals)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['manual_journals'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['manual_journals'][$offset]) ? $this->container['manual_journals'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['manual_journals'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['manual_journals']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['manual_journals']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->ManualJournals;
diff --git a/lib/Models/Accounting/OnlineInvoice.php b/lib/Models/Accounting/OnlineInvoice.php
index be1efcd1..b22dc890 100644
--- a/lib/Models/Accounting/OnlineInvoice.php
+++ b/lib/Models/Accounting/OnlineInvoice.php
@@ -238,7 +238,7 @@ public function setOnlineInvoiceUrl($online_invoice_url)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/OnlineInvoices.php b/lib/Models/Accounting/OnlineInvoices.php
index 252d2b96..abc3410c 100644
--- a/lib/Models/Accounting/OnlineInvoices.php
+++ b/lib/Models/Accounting/OnlineInvoices.php
@@ -238,7 +238,7 @@ public function setOnlineInvoices($online_invoices)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['online_invoices'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['online_invoices'][$offset]) ? $this->container['online_invoices'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['online_invoices'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['online_invoices']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['online_invoices']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->OnlineInvoices;
diff --git a/lib/Models/Accounting/Organisation.php b/lib/Models/Accounting/Organisation.php
index 46dbd9ca..30498f57 100644
--- a/lib/Models/Accounting/Organisation.php
+++ b/lib/Models/Accounting/Organisation.php
@@ -1695,7 +1695,7 @@ public function setPaymentTerms($payment_terms)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1708,7 +1708,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1722,7 +1722,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1739,7 +1739,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Organisations.php b/lib/Models/Accounting/Organisations.php
index 98e1acec..77a87ee4 100644
--- a/lib/Models/Accounting/Organisations.php
+++ b/lib/Models/Accounting/Organisations.php
@@ -238,7 +238,7 @@ public function setOrganisations($organisations)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['organisations'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['organisations'][$offset]) ? $this->container['organisations'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['organisations'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['organisations']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['organisations']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->Organisations;
diff --git a/lib/Models/Accounting/Overpayment.php b/lib/Models/Accounting/Overpayment.php
index 447d78d8..b50a9deb 100644
--- a/lib/Models/Accounting/Overpayment.php
+++ b/lib/Models/Accounting/Overpayment.php
@@ -932,7 +932,7 @@ public function setAttachments($attachments)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -945,7 +945,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -959,7 +959,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -976,7 +976,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Overpayments.php b/lib/Models/Accounting/Overpayments.php
index 8b7d0528..f77983ba 100644
--- a/lib/Models/Accounting/Overpayments.php
+++ b/lib/Models/Accounting/Overpayments.php
@@ -238,7 +238,7 @@ public function setOverpayments($overpayments)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['overpayments'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['overpayments'][$offset]) ? $this->container['overpayments'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['overpayments'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['overpayments']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['overpayments']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->Overpayments;
diff --git a/lib/Models/Accounting/Payment.php b/lib/Models/Accounting/Payment.php
index 42a97323..b25d4ddf 100644
--- a/lib/Models/Accounting/Payment.php
+++ b/lib/Models/Accounting/Payment.php
@@ -1171,7 +1171,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1184,7 +1184,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1198,7 +1198,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1215,7 +1215,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/PaymentDelete.php b/lib/Models/Accounting/PaymentDelete.php
index fc6c888c..0111dedc 100644
--- a/lib/Models/Accounting/PaymentDelete.php
+++ b/lib/Models/Accounting/PaymentDelete.php
@@ -241,7 +241,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -254,7 +254,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -268,7 +268,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -285,7 +285,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/PaymentService.php b/lib/Models/Accounting/PaymentService.php
index 94bca380..8b5ef09a 100644
--- a/lib/Models/Accounting/PaymentService.php
+++ b/lib/Models/Accounting/PaymentService.php
@@ -403,7 +403,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/PaymentServices.php b/lib/Models/Accounting/PaymentServices.php
index ac583843..4e94183e 100644
--- a/lib/Models/Accounting/PaymentServices.php
+++ b/lib/Models/Accounting/PaymentServices.php
@@ -238,7 +238,7 @@ public function setPaymentServices($payment_services)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['payment_services'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['payment_services'][$offset]) ? $this->container['payment_services'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['payment_services'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['payment_services']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['payment_services']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->PaymentServices;
diff --git a/lib/Models/Accounting/PaymentTerm.php b/lib/Models/Accounting/PaymentTerm.php
index d658d7ac..9cc5bcf3 100644
--- a/lib/Models/Accounting/PaymentTerm.php
+++ b/lib/Models/Accounting/PaymentTerm.php
@@ -271,7 +271,7 @@ public function setSales($sales)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Payments.php b/lib/Models/Accounting/Payments.php
index 9162655f..253e5b07 100644
--- a/lib/Models/Accounting/Payments.php
+++ b/lib/Models/Accounting/Payments.php
@@ -238,7 +238,7 @@ public function setPayments($payments)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['payments'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['payments'][$offset]) ? $this->container['payments'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['payments'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['payments']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['payments']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->Payments;
diff --git a/lib/Models/Accounting/Phone.php b/lib/Models/Accounting/Phone.php
index 0fc13c2e..5c3789ff 100644
--- a/lib/Models/Accounting/Phone.php
+++ b/lib/Models/Accounting/Phone.php
@@ -399,7 +399,7 @@ public function setPhoneCountryCode($phone_country_code)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -412,7 +412,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -426,7 +426,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -443,7 +443,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Prepayment.php b/lib/Models/Accounting/Prepayment.php
index afe211d5..5be661b5 100644
--- a/lib/Models/Accounting/Prepayment.php
+++ b/lib/Models/Accounting/Prepayment.php
@@ -966,7 +966,7 @@ public function setAttachments($attachments)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -979,7 +979,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -993,7 +993,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1010,7 +1010,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Prepayments.php b/lib/Models/Accounting/Prepayments.php
index 59d92a4b..d00522d3 100644
--- a/lib/Models/Accounting/Prepayments.php
+++ b/lib/Models/Accounting/Prepayments.php
@@ -238,7 +238,7 @@ public function setPrepayments($prepayments)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['prepayments'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['prepayments'][$offset]) ? $this->container['prepayments'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['prepayments'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['prepayments']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['prepayments']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->Prepayments;
diff --git a/lib/Models/Accounting/Purchase.php b/lib/Models/Accounting/Purchase.php
index e5a80616..8f34e702 100644
--- a/lib/Models/Accounting/Purchase.php
+++ b/lib/Models/Accounting/Purchase.php
@@ -337,7 +337,7 @@ public function setTaxType($tax_type)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/PurchaseOrder.php b/lib/Models/Accounting/PurchaseOrder.php
index 2916123d..698d1546 100644
--- a/lib/Models/Accounting/PurchaseOrder.php
+++ b/lib/Models/Accounting/PurchaseOrder.php
@@ -1247,7 +1247,7 @@ public function setAttachments($attachments)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1260,7 +1260,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1274,7 +1274,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1291,7 +1291,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/PurchaseOrders.php b/lib/Models/Accounting/PurchaseOrders.php
index b53f8056..4056a8d1 100644
--- a/lib/Models/Accounting/PurchaseOrders.php
+++ b/lib/Models/Accounting/PurchaseOrders.php
@@ -238,7 +238,7 @@ public function setPurchaseOrders($purchase_orders)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['purchase_orders'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['purchase_orders'][$offset]) ? $this->container['purchase_orders'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['purchase_orders'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['purchase_orders']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['purchase_orders']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->PurchaseOrders;
diff --git a/lib/Models/Accounting/Quote.php b/lib/Models/Accounting/Quote.php
index 496afadc..d38014a3 100644
--- a/lib/Models/Accounting/Quote.php
+++ b/lib/Models/Accounting/Quote.php
@@ -1092,7 +1092,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1105,7 +1105,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1119,7 +1119,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1136,7 +1136,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Quotes.php b/lib/Models/Accounting/Quotes.php
index ab2a14aa..f0af5d73 100644
--- a/lib/Models/Accounting/Quotes.php
+++ b/lib/Models/Accounting/Quotes.php
@@ -238,7 +238,7 @@ public function setQuotes($quotes)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['quotes'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['quotes'][$offset]) ? $this->container['quotes'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['quotes'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['quotes']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['quotes']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->Quotes;
diff --git a/lib/Models/Accounting/Receipt.php b/lib/Models/Accounting/Receipt.php
index 59be3da2..5f94799b 100644
--- a/lib/Models/Accounting/Receipt.php
+++ b/lib/Models/Accounting/Receipt.php
@@ -867,7 +867,7 @@ public function setAttachments($attachments)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -880,7 +880,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -894,7 +894,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -911,7 +911,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Receipts.php b/lib/Models/Accounting/Receipts.php
index 6672d756..54ddcc7d 100644
--- a/lib/Models/Accounting/Receipts.php
+++ b/lib/Models/Accounting/Receipts.php
@@ -238,7 +238,7 @@ public function setReceipts($receipts)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['receipts'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['receipts'][$offset]) ? $this->container['receipts'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['receipts'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['receipts']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['receipts']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->Receipts;
diff --git a/lib/Models/Accounting/RepeatingInvoice.php b/lib/Models/Accounting/RepeatingInvoice.php
index c1421015..77852018 100644
--- a/lib/Models/Accounting/RepeatingInvoice.php
+++ b/lib/Models/Accounting/RepeatingInvoice.php
@@ -798,7 +798,7 @@ public function setAttachments($attachments)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -811,7 +811,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -825,7 +825,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -842,7 +842,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/RepeatingInvoices.php b/lib/Models/Accounting/RepeatingInvoices.php
index ae78b63b..9bf9f894 100644
--- a/lib/Models/Accounting/RepeatingInvoices.php
+++ b/lib/Models/Accounting/RepeatingInvoices.php
@@ -238,7 +238,7 @@ public function setRepeatingInvoices($repeating_invoices)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['repeating_invoices'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['repeating_invoices'][$offset]) ? $this->container['repeating_invoices'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['repeating_invoices'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['repeating_invoices']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['repeating_invoices']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->RepeatingInvoices;
diff --git a/lib/Models/Accounting/Report.php b/lib/Models/Accounting/Report.php
index 15146a6c..573e5fe7 100644
--- a/lib/Models/Accounting/Report.php
+++ b/lib/Models/Accounting/Report.php
@@ -440,7 +440,7 @@ public function setContacts($contacts)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -453,7 +453,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -467,7 +467,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -484,7 +484,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ReportAttribute.php b/lib/Models/Accounting/ReportAttribute.php
index 84710129..108a8c67 100644
--- a/lib/Models/Accounting/ReportAttribute.php
+++ b/lib/Models/Accounting/ReportAttribute.php
@@ -271,7 +271,7 @@ public function setValue($value)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ReportCell.php b/lib/Models/Accounting/ReportCell.php
index 5b765953..89b79cae 100644
--- a/lib/Models/Accounting/ReportCell.php
+++ b/lib/Models/Accounting/ReportCell.php
@@ -271,7 +271,7 @@ public function setAttributes($attributes)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ReportFields.php b/lib/Models/Accounting/ReportFields.php
index ca138f11..308c50c0 100644
--- a/lib/Models/Accounting/ReportFields.php
+++ b/lib/Models/Accounting/ReportFields.php
@@ -304,7 +304,7 @@ public function setValue($value)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ReportRow.php b/lib/Models/Accounting/ReportRow.php
index 899033a8..41f59fc0 100644
--- a/lib/Models/Accounting/ReportRow.php
+++ b/lib/Models/Accounting/ReportRow.php
@@ -304,7 +304,7 @@ public function setCells($cells)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ReportRows.php b/lib/Models/Accounting/ReportRows.php
index 44ba6cce..1fc38a94 100644
--- a/lib/Models/Accounting/ReportRows.php
+++ b/lib/Models/Accounting/ReportRows.php
@@ -337,7 +337,7 @@ public function setRows($rows)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ReportWithRow.php b/lib/Models/Accounting/ReportWithRow.php
index 104285a4..bfdd2f8c 100644
--- a/lib/Models/Accounting/ReportWithRow.php
+++ b/lib/Models/Accounting/ReportWithRow.php
@@ -509,7 +509,7 @@ public function setFields($fields)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -522,7 +522,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -536,7 +536,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -553,7 +553,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/ReportWithRows.php b/lib/Models/Accounting/ReportWithRows.php
index bbbb436d..1f547975 100644
--- a/lib/Models/Accounting/ReportWithRows.php
+++ b/lib/Models/Accounting/ReportWithRows.php
@@ -238,7 +238,7 @@ public function setReports($reports)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Reports.php b/lib/Models/Accounting/Reports.php
index 9f1cffbb..84c4d227 100644
--- a/lib/Models/Accounting/Reports.php
+++ b/lib/Models/Accounting/Reports.php
@@ -238,7 +238,7 @@ public function setReports($reports)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['reports'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['reports'][$offset]) ? $this->container['reports'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['reports'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['reports']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['reports']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->Reports;
diff --git a/lib/Models/Accounting/RequestEmpty.php b/lib/Models/Accounting/RequestEmpty.php
index 099887d0..7fc5f9ac 100644
--- a/lib/Models/Accounting/RequestEmpty.php
+++ b/lib/Models/Accounting/RequestEmpty.php
@@ -238,7 +238,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/SalesTrackingCategory.php b/lib/Models/Accounting/SalesTrackingCategory.php
index 20d9dac1..6773f3d6 100644
--- a/lib/Models/Accounting/SalesTrackingCategory.php
+++ b/lib/Models/Accounting/SalesTrackingCategory.php
@@ -271,7 +271,7 @@ public function setTrackingOptionName($tracking_option_name)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Schedule.php b/lib/Models/Accounting/Schedule.php
index 22f8301b..2c9c7673 100644
--- a/lib/Models/Accounting/Schedule.php
+++ b/lib/Models/Accounting/Schedule.php
@@ -586,7 +586,7 @@ public function setEndDateAsDate($end_date)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -599,7 +599,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -613,7 +613,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -630,7 +630,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Setup.php b/lib/Models/Accounting/Setup.php
index 81748412..c02c1953 100644
--- a/lib/Models/Accounting/Setup.php
+++ b/lib/Models/Accounting/Setup.php
@@ -304,7 +304,7 @@ public function setAccounts($accounts)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/TaxComponent.php b/lib/Models/Accounting/TaxComponent.php
index 985458f0..12767b8b 100644
--- a/lib/Models/Accounting/TaxComponent.php
+++ b/lib/Models/Accounting/TaxComponent.php
@@ -337,7 +337,7 @@ public function setIsNonRecoverable($is_non_recoverable)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/TaxRate.php b/lib/Models/Accounting/TaxRate.php
index a3c3addf..92bf2957 100644
--- a/lib/Models/Accounting/TaxRate.php
+++ b/lib/Models/Accounting/TaxRate.php
@@ -820,7 +820,7 @@ public function setEffectiveRate($effective_rate)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -833,7 +833,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -847,7 +847,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -864,7 +864,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/TaxRates.php b/lib/Models/Accounting/TaxRates.php
index 7423b3d5..a0c23434 100644
--- a/lib/Models/Accounting/TaxRates.php
+++ b/lib/Models/Accounting/TaxRates.php
@@ -238,7 +238,7 @@ public function setTaxRates($tax_rates)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['tax_rates'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['tax_rates'][$offset]) ? $this->container['tax_rates'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['tax_rates'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['tax_rates']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['tax_rates']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->TaxRates;
diff --git a/lib/Models/Accounting/TenNinetyNineContact.php b/lib/Models/Accounting/TenNinetyNineContact.php
index 43e3467f..6e7e32ba 100644
--- a/lib/Models/Accounting/TenNinetyNineContact.php
+++ b/lib/Models/Accounting/TenNinetyNineContact.php
@@ -931,7 +931,7 @@ public function setContactId($contact_id)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -944,7 +944,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -958,7 +958,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -975,7 +975,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/TrackingCategories.php b/lib/Models/Accounting/TrackingCategories.php
index ce8981ea..b9a588c1 100644
--- a/lib/Models/Accounting/TrackingCategories.php
+++ b/lib/Models/Accounting/TrackingCategories.php
@@ -238,7 +238,7 @@ public function setTrackingCategories($tracking_categories)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['tracking_categories'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['tracking_categories'][$offset]) ? $this->container['tracking_categories'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['tracking_categories'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['tracking_categories']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['tracking_categories']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->TrackingCategories;
diff --git a/lib/Models/Accounting/TrackingCategory.php b/lib/Models/Accounting/TrackingCategory.php
index 3d377aa3..8f084f58 100644
--- a/lib/Models/Accounting/TrackingCategory.php
+++ b/lib/Models/Accounting/TrackingCategory.php
@@ -453,7 +453,7 @@ public function setOptions($options)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -466,7 +466,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -480,7 +480,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -497,7 +497,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/TrackingOption.php b/lib/Models/Accounting/TrackingOption.php
index 196cb63a..9320fc8e 100644
--- a/lib/Models/Accounting/TrackingOption.php
+++ b/lib/Models/Accounting/TrackingOption.php
@@ -379,7 +379,7 @@ public function setTrackingCategoryId($tracking_category_id)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -392,7 +392,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -406,7 +406,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -423,7 +423,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/TrackingOptions.php b/lib/Models/Accounting/TrackingOptions.php
index c3fa3fb4..4d808785 100644
--- a/lib/Models/Accounting/TrackingOptions.php
+++ b/lib/Models/Accounting/TrackingOptions.php
@@ -238,7 +238,7 @@ public function setOptions($options)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['options'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['options'][$offset]) ? $this->container['options'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['options'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['options']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['options']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->TrackingOptions;
diff --git a/lib/Models/Accounting/User.php b/lib/Models/Accounting/User.php
index b659b3c2..2d33f6f3 100644
--- a/lib/Models/Accounting/User.php
+++ b/lib/Models/Accounting/User.php
@@ -485,7 +485,7 @@ public function setOrganisationRole($organisation_role)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -498,7 +498,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -512,7 +512,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -529,7 +529,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Accounting/Users.php b/lib/Models/Accounting/Users.php
index 27f7753a..31222cca 100644
--- a/lib/Models/Accounting/Users.php
+++ b/lib/Models/Accounting/Users.php
@@ -238,7 +238,7 @@ public function setUsers($users)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['users'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['users'][$offset]) ? $this->container['users'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['users'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['users']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['users']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return AccountingObjectSerializer::sanitizeForSerialization($this)->Users;
diff --git a/lib/Models/Accounting/ValidationError.php b/lib/Models/Accounting/ValidationError.php
index f5eef969..e480e672 100644
--- a/lib/Models/Accounting/ValidationError.php
+++ b/lib/Models/Accounting/ValidationError.php
@@ -238,7 +238,7 @@ public function setMessage($message)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/AppStore/Plan.php b/lib/Models/AppStore/Plan.php
index a35e4d8b..44899224 100644
--- a/lib/Models/AppStore/Plan.php
+++ b/lib/Models/AppStore/Plan.php
@@ -383,7 +383,7 @@ public function setSubscriptionItems($subscription_items)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -396,7 +396,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -410,7 +410,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -427,7 +427,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/AppStore/Price.php b/lib/Models/AppStore/Price.php
index 190806d2..4facec4f 100644
--- a/lib/Models/AppStore/Price.php
+++ b/lib/Models/AppStore/Price.php
@@ -313,7 +313,7 @@ public function setId($id)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -326,7 +326,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -340,7 +340,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -357,7 +357,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/AppStore/ProblemDetails.php b/lib/Models/AppStore/ProblemDetails.php
index 346f284c..59d04acf 100644
--- a/lib/Models/AppStore/ProblemDetails.php
+++ b/lib/Models/AppStore/ProblemDetails.php
@@ -403,7 +403,7 @@ public function setType($type)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/AppStore/Product.php b/lib/Models/AppStore/Product.php
index 595cf8cb..4578e59c 100644
--- a/lib/Models/AppStore/Product.php
+++ b/lib/Models/AppStore/Product.php
@@ -404,7 +404,7 @@ public function setUsageUnit($usage_unit)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -417,7 +417,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -431,7 +431,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -448,7 +448,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/AppStore/Subscription.php b/lib/Models/AppStore/Subscription.php
index 2e0a791c..157582af 100644
--- a/lib/Models/AppStore/Subscription.php
+++ b/lib/Models/AppStore/Subscription.php
@@ -521,7 +521,7 @@ public function setTestMode($test_mode)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -534,7 +534,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -548,7 +548,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -565,7 +565,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/AppStore/SubscriptionItem.php b/lib/Models/AppStore/SubscriptionItem.php
index 8c5fd701..b584a010 100644
--- a/lib/Models/AppStore/SubscriptionItem.php
+++ b/lib/Models/AppStore/SubscriptionItem.php
@@ -518,7 +518,7 @@ public function setTestMode($test_mode)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -531,7 +531,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -545,7 +545,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -562,7 +562,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/Asset.php b/lib/Models/Asset/Asset.php
index f326a2ec..7a9863ac 100644
--- a/lib/Models/Asset/Asset.php
+++ b/lib/Models/Asset/Asset.php
@@ -736,7 +736,7 @@ public function setIsDeleteEnabledForDate($is_delete_enabled_for_date)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -749,7 +749,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -763,7 +763,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -780,7 +780,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/AssetType.php b/lib/Models/Asset/AssetType.php
index 308d8864..e69a3ed7 100644
--- a/lib/Models/Asset/AssetType.php
+++ b/lib/Models/Asset/AssetType.php
@@ -442,7 +442,7 @@ public function setLocks($locks)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -455,7 +455,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -469,7 +469,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -486,7 +486,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/Assets.php b/lib/Models/Asset/Assets.php
index c1cc1261..dfeecb6d 100644
--- a/lib/Models/Asset/Assets.php
+++ b/lib/Models/Asset/Assets.php
@@ -271,7 +271,7 @@ public function setItems($items)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/BookDepreciationDetail.php b/lib/Models/Asset/BookDepreciationDetail.php
index 5c664b34..c592cd16 100644
--- a/lib/Models/Asset/BookDepreciationDetail.php
+++ b/lib/Models/Asset/BookDepreciationDetail.php
@@ -436,7 +436,7 @@ public function setCurrentAccumDepreciationAmount($current_accum_depreciation_am
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -449,7 +449,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -463,7 +463,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -480,7 +480,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/BookDepreciationSetting.php b/lib/Models/Asset/BookDepreciationSetting.php
index 4f241e5a..1f66e857 100644
--- a/lib/Models/Asset/BookDepreciationSetting.php
+++ b/lib/Models/Asset/BookDepreciationSetting.php
@@ -575,7 +575,7 @@ public function setBookEffectiveDateOfChangeId($book_effective_date_of_change_id
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -588,7 +588,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -602,7 +602,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -619,7 +619,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/Error.php b/lib/Models/Asset/Error.php
index 64901b91..3ae45d9f 100644
--- a/lib/Models/Asset/Error.php
+++ b/lib/Models/Asset/Error.php
@@ -370,7 +370,7 @@ public function setDetail($detail)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/FieldValidationErrorsElement.php b/lib/Models/Asset/FieldValidationErrorsElement.php
index 345b6e74..a4c5fe51 100644
--- a/lib/Models/Asset/FieldValidationErrorsElement.php
+++ b/lib/Models/Asset/FieldValidationErrorsElement.php
@@ -403,7 +403,7 @@ public function setDetail($detail)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/Pagination.php b/lib/Models/Asset/Pagination.php
index 10ea321c..9b7931d5 100644
--- a/lib/Models/Asset/Pagination.php
+++ b/lib/Models/Asset/Pagination.php
@@ -337,7 +337,7 @@ public function setItemCount($item_count)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/ResourceValidationErrorsElement.php b/lib/Models/Asset/ResourceValidationErrorsElement.php
index 83c2c5aa..d610781e 100644
--- a/lib/Models/Asset/ResourceValidationErrorsElement.php
+++ b/lib/Models/Asset/ResourceValidationErrorsElement.php
@@ -370,7 +370,7 @@ public function setDetail($detail)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Asset/Setting.php b/lib/Models/Asset/Setting.php
index 71b29c09..606558fe 100644
--- a/lib/Models/Asset/Setting.php
+++ b/lib/Models/Asset/Setting.php
@@ -469,7 +469,7 @@ public function setOptInForTax($opt_in_for_tax)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -482,7 +482,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -496,7 +496,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -513,7 +513,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/File/Association.php b/lib/Models/File/Association.php
index e1075d65..661a75de 100644
--- a/lib/Models/File/Association.php
+++ b/lib/Models/File/Association.php
@@ -337,7 +337,7 @@ public function setObjectType($object_type)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/File/FileObject.php b/lib/Models/File/FileObject.php
index 2a9d5a8d..a3296115 100644
--- a/lib/Models/File/FileObject.php
+++ b/lib/Models/File/FileObject.php
@@ -469,7 +469,7 @@ public function setFolderId($folder_id)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -482,7 +482,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -496,7 +496,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -513,7 +513,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/File/Files.php b/lib/Models/File/Files.php
index 22438172..118f1749 100644
--- a/lib/Models/File/Files.php
+++ b/lib/Models/File/Files.php
@@ -337,7 +337,7 @@ public function setItems($items)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/File/Folder.php b/lib/Models/File/Folder.php
index 7dc64dc6..ef9bb707 100644
--- a/lib/Models/File/Folder.php
+++ b/lib/Models/File/Folder.php
@@ -370,7 +370,7 @@ public function setId($id)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/File/Folders.php b/lib/Models/File/Folders.php
index 8cfb7c2f..899617fb 100644
--- a/lib/Models/File/Folders.php
+++ b/lib/Models/File/Folders.php
@@ -238,7 +238,7 @@ public function setFolders($folders)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/File/User.php b/lib/Models/File/User.php
index ffb35f04..74f769cb 100644
--- a/lib/Models/File/User.php
+++ b/lib/Models/File/User.php
@@ -373,7 +373,7 @@ public function setFullName($full_name)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -386,7 +386,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -400,7 +400,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -417,7 +417,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/AccountUsage.php b/lib/Models/Finance/AccountUsage.php
index 73468398..ec9f989b 100644
--- a/lib/Models/Finance/AccountUsage.php
+++ b/lib/Models/Finance/AccountUsage.php
@@ -634,7 +634,7 @@ public function setReportCodeUpdatedDateUtc($report_code_updated_date_utc)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -647,7 +647,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -661,7 +661,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -678,7 +678,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/AccountUsageResponse.php b/lib/Models/Finance/AccountUsageResponse.php
index 50f301ff..68371cb0 100644
--- a/lib/Models/Finance/AccountUsageResponse.php
+++ b/lib/Models/Finance/AccountUsageResponse.php
@@ -337,7 +337,7 @@ public function setAccountUsage($account_usage)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/BalanceSheetAccountDetail.php b/lib/Models/Finance/BalanceSheetAccountDetail.php
index f219c343..c6fdc120 100644
--- a/lib/Models/Finance/BalanceSheetAccountDetail.php
+++ b/lib/Models/Finance/BalanceSheetAccountDetail.php
@@ -370,7 +370,7 @@ public function setTotal($total)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/BalanceSheetAccountGroup.php b/lib/Models/Finance/BalanceSheetAccountGroup.php
index 8bc81c37..06054dea 100644
--- a/lib/Models/Finance/BalanceSheetAccountGroup.php
+++ b/lib/Models/Finance/BalanceSheetAccountGroup.php
@@ -271,7 +271,7 @@ public function setTotal($total)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/BalanceSheetAccountType.php b/lib/Models/Finance/BalanceSheetAccountType.php
index 9cea79e0..7a08db2c 100644
--- a/lib/Models/Finance/BalanceSheetAccountType.php
+++ b/lib/Models/Finance/BalanceSheetAccountType.php
@@ -304,7 +304,7 @@ public function setTotal($total)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/BalanceSheetResponse.php b/lib/Models/Finance/BalanceSheetResponse.php
index 6a55b943..43fcd1af 100644
--- a/lib/Models/Finance/BalanceSheetResponse.php
+++ b/lib/Models/Finance/BalanceSheetResponse.php
@@ -337,7 +337,7 @@ public function setEquity($equity)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/BankStatementAccountingResponse.php b/lib/Models/Finance/BankStatementAccountingResponse.php
index 7db1223b..a0ddcf6a 100644
--- a/lib/Models/Finance/BankStatementAccountingResponse.php
+++ b/lib/Models/Finance/BankStatementAccountingResponse.php
@@ -337,7 +337,7 @@ public function setStatements($statements)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/BankStatementResponse.php b/lib/Models/Finance/BankStatementResponse.php
index cd6af990..a94c8366 100644
--- a/lib/Models/Finance/BankStatementResponse.php
+++ b/lib/Models/Finance/BankStatementResponse.php
@@ -271,7 +271,7 @@ public function setCurrentStatement($current_statement)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/BankTransactionResponse.php b/lib/Models/Finance/BankTransactionResponse.php
index 84b7231a..eee039ef 100644
--- a/lib/Models/Finance/BankTransactionResponse.php
+++ b/lib/Models/Finance/BankTransactionResponse.php
@@ -403,7 +403,7 @@ public function setLineItems($line_items)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/CashAccountResponse.php b/lib/Models/Finance/CashAccountResponse.php
index 8fec8246..d63ed88f 100644
--- a/lib/Models/Finance/CashAccountResponse.php
+++ b/lib/Models/Finance/CashAccountResponse.php
@@ -370,7 +370,7 @@ public function setBalanceCurrency($balance_currency)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/CashBalance.php b/lib/Models/Finance/CashBalance.php
index 1c276e24..69f10736 100644
--- a/lib/Models/Finance/CashBalance.php
+++ b/lib/Models/Finance/CashBalance.php
@@ -303,7 +303,7 @@ public function setNetCashMovement($net_cash_movement)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -316,7 +316,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -330,7 +330,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -347,7 +347,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/CashValidationResponse.php b/lib/Models/Finance/CashValidationResponse.php
index e135fce7..0e184da6 100644
--- a/lib/Models/Finance/CashValidationResponse.php
+++ b/lib/Models/Finance/CashValidationResponse.php
@@ -370,7 +370,7 @@ public function setCashAccount($cash_account)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/CashflowAccount.php b/lib/Models/Finance/CashflowAccount.php
index 20f7de36..b0b7f482 100644
--- a/lib/Models/Finance/CashflowAccount.php
+++ b/lib/Models/Finance/CashflowAccount.php
@@ -436,7 +436,7 @@ public function setTotal($total)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -449,7 +449,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -463,7 +463,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -480,7 +480,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/CashflowActivity.php b/lib/Models/Finance/CashflowActivity.php
index d6f2da83..60fbc1cd 100644
--- a/lib/Models/Finance/CashflowActivity.php
+++ b/lib/Models/Finance/CashflowActivity.php
@@ -304,7 +304,7 @@ public function setCashflowTypes($cashflow_types)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/CashflowResponse.php b/lib/Models/Finance/CashflowResponse.php
index 5c259a52..334200ee 100644
--- a/lib/Models/Finance/CashflowResponse.php
+++ b/lib/Models/Finance/CashflowResponse.php
@@ -337,7 +337,7 @@ public function setCashflowActivities($cashflow_activities)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/CashflowType.php b/lib/Models/Finance/CashflowType.php
index 1272c591..d3a74740 100644
--- a/lib/Models/Finance/CashflowType.php
+++ b/lib/Models/Finance/CashflowType.php
@@ -304,7 +304,7 @@ public function setAccounts($accounts)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/ContactDetail.php b/lib/Models/Finance/ContactDetail.php
index 0fa30bc1..5d88b3d3 100644
--- a/lib/Models/Finance/ContactDetail.php
+++ b/lib/Models/Finance/ContactDetail.php
@@ -403,7 +403,7 @@ public function setAccountCodes($account_codes)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/ContactResponse.php b/lib/Models/Finance/ContactResponse.php
index f42125aa..320c3cab 100644
--- a/lib/Models/Finance/ContactResponse.php
+++ b/lib/Models/Finance/ContactResponse.php
@@ -271,7 +271,7 @@ public function setContactName($contact_name)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/ContactTotalDetail.php b/lib/Models/Finance/ContactTotalDetail.php
index 07b6f2d5..994f0ed6 100644
--- a/lib/Models/Finance/ContactTotalDetail.php
+++ b/lib/Models/Finance/ContactTotalDetail.php
@@ -304,7 +304,7 @@ public function setTotalCreditedUnApplied($total_credited_un_applied)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/ContactTotalOther.php b/lib/Models/Finance/ContactTotalOther.php
index 327bd715..0f033229 100644
--- a/lib/Models/Finance/ContactTotalOther.php
+++ b/lib/Models/Finance/ContactTotalOther.php
@@ -337,7 +337,7 @@ public function setTransactionCount($transaction_count)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/CreditNoteResponse.php b/lib/Models/Finance/CreditNoteResponse.php
index 56bd08e9..37c12f8a 100644
--- a/lib/Models/Finance/CreditNoteResponse.php
+++ b/lib/Models/Finance/CreditNoteResponse.php
@@ -337,7 +337,7 @@ public function setLineItems($line_items)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/CurrentStatementResponse.php b/lib/Models/Finance/CurrentStatementResponse.php
index 470d535a..f1a08c1c 100644
--- a/lib/Models/Finance/CurrentStatementResponse.php
+++ b/lib/Models/Finance/CurrentStatementResponse.php
@@ -403,7 +403,7 @@ public function setImportSourceType($import_source_type)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/DataSourceResponse.php b/lib/Models/Finance/DataSourceResponse.php
index c716ec78..4eb31ea8 100644
--- a/lib/Models/Finance/DataSourceResponse.php
+++ b/lib/Models/Finance/DataSourceResponse.php
@@ -700,7 +700,7 @@ public function setOther($other)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -713,7 +713,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -727,7 +727,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -744,7 +744,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/HistoryRecordResponse.php b/lib/Models/Finance/HistoryRecordResponse.php
index 442b4c5b..93134acb 100644
--- a/lib/Models/Finance/HistoryRecordResponse.php
+++ b/lib/Models/Finance/HistoryRecordResponse.php
@@ -370,7 +370,7 @@ public function setDetails($details)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/IncomeByContactResponse.php b/lib/Models/Finance/IncomeByContactResponse.php
index a15b950d..47bd0f70 100644
--- a/lib/Models/Finance/IncomeByContactResponse.php
+++ b/lib/Models/Finance/IncomeByContactResponse.php
@@ -436,7 +436,7 @@ public function setManualJournals($manual_journals)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -449,7 +449,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -463,7 +463,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -480,7 +480,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/InvoiceResponse.php b/lib/Models/Finance/InvoiceResponse.php
index c61b3c73..7ccad068 100644
--- a/lib/Models/Finance/InvoiceResponse.php
+++ b/lib/Models/Finance/InvoiceResponse.php
@@ -337,7 +337,7 @@ public function setLineItems($line_items)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/LineItemResponse.php b/lib/Models/Finance/LineItemResponse.php
index 09111f79..3528b0c9 100644
--- a/lib/Models/Finance/LineItemResponse.php
+++ b/lib/Models/Finance/LineItemResponse.php
@@ -337,7 +337,7 @@ public function setAccountType($account_type)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/LockHistoryModel.php b/lib/Models/Finance/LockHistoryModel.php
index ce8a94b4..3fae3f72 100644
--- a/lib/Models/Finance/LockHistoryModel.php
+++ b/lib/Models/Finance/LockHistoryModel.php
@@ -304,7 +304,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/LockHistoryResponse.php b/lib/Models/Finance/LockHistoryResponse.php
index 871e6286..e7e76b1b 100644
--- a/lib/Models/Finance/LockHistoryResponse.php
+++ b/lib/Models/Finance/LockHistoryResponse.php
@@ -304,7 +304,7 @@ public function setLockDates($lock_dates)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/ManualJournalTotal.php b/lib/Models/Finance/ManualJournalTotal.php
index 2318b7c0..aa5958ff 100644
--- a/lib/Models/Finance/ManualJournalTotal.php
+++ b/lib/Models/Finance/ManualJournalTotal.php
@@ -238,7 +238,7 @@ public function setTotal($total)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/OverpaymentResponse.php b/lib/Models/Finance/OverpaymentResponse.php
index cefa6f44..ffede2b5 100644
--- a/lib/Models/Finance/OverpaymentResponse.php
+++ b/lib/Models/Finance/OverpaymentResponse.php
@@ -337,7 +337,7 @@ public function setLineItems($line_items)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/PaymentResponse.php b/lib/Models/Finance/PaymentResponse.php
index 6ba670e5..b4395d93 100644
--- a/lib/Models/Finance/PaymentResponse.php
+++ b/lib/Models/Finance/PaymentResponse.php
@@ -535,7 +535,7 @@ public function setOverpayment($overpayment)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -548,7 +548,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -562,7 +562,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -579,7 +579,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/PnlAccount.php b/lib/Models/Finance/PnlAccount.php
index 67d70a4e..e17d9085 100644
--- a/lib/Models/Finance/PnlAccount.php
+++ b/lib/Models/Finance/PnlAccount.php
@@ -403,7 +403,7 @@ public function setTotal($total)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/PnlAccountClass.php b/lib/Models/Finance/PnlAccountClass.php
index 6b1b727b..0b8a48d0 100644
--- a/lib/Models/Finance/PnlAccountClass.php
+++ b/lib/Models/Finance/PnlAccountClass.php
@@ -271,7 +271,7 @@ public function setAccountTypes($account_types)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/PnlAccountType.php b/lib/Models/Finance/PnlAccountType.php
index ab3e0d78..5083f60b 100644
--- a/lib/Models/Finance/PnlAccountType.php
+++ b/lib/Models/Finance/PnlAccountType.php
@@ -304,7 +304,7 @@ public function setAccounts($accounts)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/PracticeResponse.php b/lib/Models/Finance/PracticeResponse.php
index 46b6434b..346d78a9 100644
--- a/lib/Models/Finance/PracticeResponse.php
+++ b/lib/Models/Finance/PracticeResponse.php
@@ -370,7 +370,7 @@ public function setStaffCertified($staff_certified)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/PrepaymentResponse.php b/lib/Models/Finance/PrepaymentResponse.php
index 21faaced..508d0b2f 100644
--- a/lib/Models/Finance/PrepaymentResponse.php
+++ b/lib/Models/Finance/PrepaymentResponse.php
@@ -337,7 +337,7 @@ public function setLineItems($line_items)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/Problem.php b/lib/Models/Finance/Problem.php
index cd01fa45..3084f697 100644
--- a/lib/Models/Finance/Problem.php
+++ b/lib/Models/Finance/Problem.php
@@ -337,7 +337,7 @@ public function setDetail($detail)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/ProfitAndLossResponse.php b/lib/Models/Finance/ProfitAndLossResponse.php
index 726d5ee3..e8acb4b8 100644
--- a/lib/Models/Finance/ProfitAndLossResponse.php
+++ b/lib/Models/Finance/ProfitAndLossResponse.php
@@ -370,7 +370,7 @@ public function setExpense($expense)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/ReportHistoryModel.php b/lib/Models/Finance/ReportHistoryModel.php
index d9ea38d2..bdd69d63 100644
--- a/lib/Models/Finance/ReportHistoryModel.php
+++ b/lib/Models/Finance/ReportHistoryModel.php
@@ -304,7 +304,7 @@ public function setPublishedDateUtc($published_date_utc)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/ReportHistoryResponse.php b/lib/Models/Finance/ReportHistoryResponse.php
index 2776ca3c..710a11d0 100644
--- a/lib/Models/Finance/ReportHistoryResponse.php
+++ b/lib/Models/Finance/ReportHistoryResponse.php
@@ -304,7 +304,7 @@ public function setReports($reports)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/StatementBalanceResponse.php b/lib/Models/Finance/StatementBalanceResponse.php
index dc9fda46..5689da5c 100644
--- a/lib/Models/Finance/StatementBalanceResponse.php
+++ b/lib/Models/Finance/StatementBalanceResponse.php
@@ -271,7 +271,7 @@ public function setType($type)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/StatementLineResponse.php b/lib/Models/Finance/StatementLineResponse.php
index d518ae30..ea1c19da 100644
--- a/lib/Models/Finance/StatementLineResponse.php
+++ b/lib/Models/Finance/StatementLineResponse.php
@@ -634,7 +634,7 @@ public function setBankTransactions($bank_transactions)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -647,7 +647,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -661,7 +661,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -678,7 +678,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/StatementLinesResponse.php b/lib/Models/Finance/StatementLinesResponse.php
index bd65ebb6..d49d3fec 100644
--- a/lib/Models/Finance/StatementLinesResponse.php
+++ b/lib/Models/Finance/StatementLinesResponse.php
@@ -766,7 +766,7 @@ public function setTotalAmountNeg($total_amount_neg)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -779,7 +779,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -793,7 +793,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -810,7 +810,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/StatementResponse.php b/lib/Models/Finance/StatementResponse.php
index bb58725e..332d0d2d 100644
--- a/lib/Models/Finance/StatementResponse.php
+++ b/lib/Models/Finance/StatementResponse.php
@@ -469,7 +469,7 @@ public function setStatementLines($statement_lines)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -482,7 +482,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -496,7 +496,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -513,7 +513,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/TotalDetail.php b/lib/Models/Finance/TotalDetail.php
index f7cf3643..12b9d110 100644
--- a/lib/Models/Finance/TotalDetail.php
+++ b/lib/Models/Finance/TotalDetail.php
@@ -304,7 +304,7 @@ public function setTotalCreditedUnApplied($total_credited_un_applied)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/TotalOther.php b/lib/Models/Finance/TotalOther.php
index a42747c5..64a18582 100644
--- a/lib/Models/Finance/TotalOther.php
+++ b/lib/Models/Finance/TotalOther.php
@@ -304,7 +304,7 @@ public function setTotalCredited($total_credited)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/TrialBalanceAccount.php b/lib/Models/Finance/TrialBalanceAccount.php
index 4e61793a..59f11232 100644
--- a/lib/Models/Finance/TrialBalanceAccount.php
+++ b/lib/Models/Finance/TrialBalanceAccount.php
@@ -535,7 +535,7 @@ public function setAccountMovement($account_movement)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -548,7 +548,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -562,7 +562,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -579,7 +579,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/TrialBalanceEntry.php b/lib/Models/Finance/TrialBalanceEntry.php
index 3ef934d0..20f44b60 100644
--- a/lib/Models/Finance/TrialBalanceEntry.php
+++ b/lib/Models/Finance/TrialBalanceEntry.php
@@ -271,7 +271,7 @@ public function setEntryType($entry_type)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/TrialBalanceMovement.php b/lib/Models/Finance/TrialBalanceMovement.php
index 830739d1..57465dc0 100644
--- a/lib/Models/Finance/TrialBalanceMovement.php
+++ b/lib/Models/Finance/TrialBalanceMovement.php
@@ -337,7 +337,7 @@ public function setSignedMovement($signed_movement)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/TrialBalanceResponse.php b/lib/Models/Finance/TrialBalanceResponse.php
index 7eafdb2b..d38f20df 100644
--- a/lib/Models/Finance/TrialBalanceResponse.php
+++ b/lib/Models/Finance/TrialBalanceResponse.php
@@ -304,7 +304,7 @@ public function setAccounts($accounts)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/UserActivitiesResponse.php b/lib/Models/Finance/UserActivitiesResponse.php
index 6ce62a32..8850b4bf 100644
--- a/lib/Models/Finance/UserActivitiesResponse.php
+++ b/lib/Models/Finance/UserActivitiesResponse.php
@@ -304,7 +304,7 @@ public function setUsers($users)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Finance/UserResponse.php b/lib/Models/Finance/UserResponse.php
index 62f4dcd9..8af670b6 100644
--- a/lib/Models/Finance/UserResponse.php
+++ b/lib/Models/Finance/UserResponse.php
@@ -601,7 +601,7 @@ public function setHistoryRecords($history_records)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -614,7 +614,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -628,7 +628,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -645,7 +645,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Identity/AccessToken.php b/lib/Models/Identity/AccessToken.php
index 56b41d8d..a32d8078 100644
--- a/lib/Models/Identity/AccessToken.php
+++ b/lib/Models/Identity/AccessToken.php
@@ -370,7 +370,7 @@ public function setRefreshToken($refresh_token)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Identity/Connection.php b/lib/Models/Identity/Connection.php
index f452fb47..b6c135dc 100644
--- a/lib/Models/Identity/Connection.php
+++ b/lib/Models/Identity/Connection.php
@@ -436,7 +436,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -449,7 +449,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -463,7 +463,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -480,7 +480,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Identity/RefreshToken.php b/lib/Models/Identity/RefreshToken.php
index 33d47a3d..8681c988 100644
--- a/lib/Models/Identity/RefreshToken.php
+++ b/lib/Models/Identity/RefreshToken.php
@@ -337,7 +337,7 @@ public function setClientSecret($client_secret)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/APIException.php b/lib/Models/PayrollAu/APIException.php
index 15e37f91..fb063d4a 100644
--- a/lib/Models/PayrollAu/APIException.php
+++ b/lib/Models/PayrollAu/APIException.php
@@ -305,7 +305,7 @@ public function setMessage($message)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -318,7 +318,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -332,7 +332,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -349,7 +349,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/Account.php b/lib/Models/PayrollAu/Account.php
index ffd97139..53d9303c 100644
--- a/lib/Models/PayrollAu/Account.php
+++ b/lib/Models/PayrollAu/Account.php
@@ -337,7 +337,7 @@ public function setName($name)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/BankAccount.php b/lib/Models/PayrollAu/BankAccount.php
index d4769f21..607a16ff 100644
--- a/lib/Models/PayrollAu/BankAccount.php
+++ b/lib/Models/PayrollAu/BankAccount.php
@@ -403,7 +403,7 @@ public function setAmount($amount)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/DeductionLine.php b/lib/Models/PayrollAu/DeductionLine.php
index 05db93c0..49937b2f 100644
--- a/lib/Models/PayrollAu/DeductionLine.php
+++ b/lib/Models/PayrollAu/DeductionLine.php
@@ -373,7 +373,7 @@ public function setNumberOfUnits($number_of_units)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -386,7 +386,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -400,7 +400,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -417,7 +417,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/DeductionType.php b/lib/Models/PayrollAu/DeductionType.php
index 4bad967d..b841d425 100644
--- a/lib/Models/PayrollAu/DeductionType.php
+++ b/lib/Models/PayrollAu/DeductionType.php
@@ -551,7 +551,7 @@ public function setCurrentRecord($current_record)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -564,7 +564,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -578,7 +578,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -595,7 +595,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/EarningsLine.php b/lib/Models/PayrollAu/EarningsLine.php
index d0b746e8..56630b02 100644
--- a/lib/Models/PayrollAu/EarningsLine.php
+++ b/lib/Models/PayrollAu/EarningsLine.php
@@ -505,7 +505,7 @@ public function setFixedAmount($fixed_amount)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -518,7 +518,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -532,7 +532,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -549,7 +549,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/EarningsRate.php b/lib/Models/PayrollAu/EarningsRate.php
index 8e8f0ea7..baf423a4 100644
--- a/lib/Models/PayrollAu/EarningsRate.php
+++ b/lib/Models/PayrollAu/EarningsRate.php
@@ -822,7 +822,7 @@ public function setAllowanceCategory($allowance_category)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -835,7 +835,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -849,7 +849,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -866,7 +866,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/Employee.php b/lib/Models/PayrollAu/Employee.php
index 4994a17e..1a0e6142 100644
--- a/lib/Models/PayrollAu/Employee.php
+++ b/lib/Models/PayrollAu/Employee.php
@@ -1433,7 +1433,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1446,7 +1446,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1460,7 +1460,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1477,7 +1477,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/Employees.php b/lib/Models/PayrollAu/Employees.php
index 9f3a4964..eabba5a5 100644
--- a/lib/Models/PayrollAu/Employees.php
+++ b/lib/Models/PayrollAu/Employees.php
@@ -238,7 +238,7 @@ public function setEmployees($employees)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['employees'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['employees'][$offset]) ? $this->container['employees'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['employees'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['employees']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['employees']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return PayrollAuObjectSerializer::sanitizeForSerialization($this)->Employees;
diff --git a/lib/Models/PayrollAu/HomeAddress.php b/lib/Models/PayrollAu/HomeAddress.php
index 3ab4bef5..dc1cb18d 100644
--- a/lib/Models/PayrollAu/HomeAddress.php
+++ b/lib/Models/PayrollAu/HomeAddress.php
@@ -406,7 +406,7 @@ public function setCountry($country)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -419,7 +419,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -433,7 +433,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -450,7 +450,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/LeaveAccrualLine.php b/lib/Models/PayrollAu/LeaveAccrualLine.php
index 2a501e36..9f28c93d 100644
--- a/lib/Models/PayrollAu/LeaveAccrualLine.php
+++ b/lib/Models/PayrollAu/LeaveAccrualLine.php
@@ -304,7 +304,7 @@ public function setAutoCalculate($auto_calculate)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/LeaveApplication.php b/lib/Models/PayrollAu/LeaveApplication.php
index ea92218b..afd065ad 100644
--- a/lib/Models/PayrollAu/LeaveApplication.php
+++ b/lib/Models/PayrollAu/LeaveApplication.php
@@ -594,7 +594,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -607,7 +607,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -621,7 +621,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -638,7 +638,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/LeaveApplications.php b/lib/Models/PayrollAu/LeaveApplications.php
index 35a7ccb1..cc2c672c 100644
--- a/lib/Models/PayrollAu/LeaveApplications.php
+++ b/lib/Models/PayrollAu/LeaveApplications.php
@@ -238,7 +238,7 @@ public function setLeaveApplications($leave_applications)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['leave_applications'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['leave_applications'][$offset]) ? $this->container['leave_applications'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['leave_applications'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['leave_applications']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['leave_applications']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return PayrollAuObjectSerializer::sanitizeForSerialization($this)->LeaveApplications;
diff --git a/lib/Models/PayrollAu/LeaveBalance.php b/lib/Models/PayrollAu/LeaveBalance.php
index 2bc8ff6b..f746844a 100644
--- a/lib/Models/PayrollAu/LeaveBalance.php
+++ b/lib/Models/PayrollAu/LeaveBalance.php
@@ -337,7 +337,7 @@ public function setTypeOfUnits($type_of_units)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/LeaveEarningsLine.php b/lib/Models/PayrollAu/LeaveEarningsLine.php
index 55488e0f..d795ea84 100644
--- a/lib/Models/PayrollAu/LeaveEarningsLine.php
+++ b/lib/Models/PayrollAu/LeaveEarningsLine.php
@@ -304,7 +304,7 @@ public function setNumberOfUnits($number_of_units)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/LeaveLine.php b/lib/Models/PayrollAu/LeaveLine.php
index 3889dcb1..25b7229e 100644
--- a/lib/Models/PayrollAu/LeaveLine.php
+++ b/lib/Models/PayrollAu/LeaveLine.php
@@ -469,7 +469,7 @@ public function setFullTimeNumberOfUnitsPerPeriod($full_time_number_of_units_per
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -482,7 +482,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -496,7 +496,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -513,7 +513,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/LeaveLines.php b/lib/Models/PayrollAu/LeaveLines.php
index 161c03f3..0cdf489d 100644
--- a/lib/Models/PayrollAu/LeaveLines.php
+++ b/lib/Models/PayrollAu/LeaveLines.php
@@ -239,7 +239,7 @@ public function setEmployee($employee)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['employee'][$offset]);
@@ -252,7 +252,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['employee'][$offset]) ? $this->container['employee'][$offset] : null;
@@ -266,7 +266,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -283,22 +283,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['employee'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['employee']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['employee']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return PayrollAuObjectSerializer::sanitizeForSerialization($this)->LeaveLines;
diff --git a/lib/Models/PayrollAu/LeavePeriod.php b/lib/Models/PayrollAu/LeavePeriod.php
index 4b6f5f37..063ce4fc 100644
--- a/lib/Models/PayrollAu/LeavePeriod.php
+++ b/lib/Models/PayrollAu/LeavePeriod.php
@@ -389,7 +389,7 @@ public function setLeavePeriodStatus($leave_period_status)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -402,7 +402,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -416,7 +416,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -433,7 +433,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/LeaveType.php b/lib/Models/PayrollAu/LeaveType.php
index edd7697b..ea51f18a 100644
--- a/lib/Models/PayrollAu/LeaveType.php
+++ b/lib/Models/PayrollAu/LeaveType.php
@@ -517,7 +517,7 @@ public function setCurrentRecord($current_record)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -530,7 +530,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -544,7 +544,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -561,7 +561,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/OpeningBalances.php b/lib/Models/PayrollAu/OpeningBalances.php
index dc6c363d..f5062ab3 100644
--- a/lib/Models/PayrollAu/OpeningBalances.php
+++ b/lib/Models/PayrollAu/OpeningBalances.php
@@ -462,7 +462,7 @@ public function setLeaveLines($leave_lines)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -475,7 +475,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -489,7 +489,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -506,7 +506,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/PayItem.php b/lib/Models/PayrollAu/PayItem.php
index a35e0346..3ff96513 100644
--- a/lib/Models/PayrollAu/PayItem.php
+++ b/lib/Models/PayrollAu/PayItem.php
@@ -337,7 +337,7 @@ public function setReimbursementTypes($reimbursement_types)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/PayItems.php b/lib/Models/PayrollAu/PayItems.php
index cd6274a9..dfe9a262 100644
--- a/lib/Models/PayrollAu/PayItems.php
+++ b/lib/Models/PayrollAu/PayItems.php
@@ -238,7 +238,7 @@ public function setPayItems($pay_items)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['pay_items'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['pay_items'][$offset]) ? $this->container['pay_items'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['pay_items'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['pay_items']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['pay_items']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return PayrollAuObjectSerializer::sanitizeForSerialization($this)->PayItems;
diff --git a/lib/Models/PayrollAu/PayRun.php b/lib/Models/PayrollAu/PayRun.php
index f57c77bf..15eeb5de 100644
--- a/lib/Models/PayrollAu/PayRun.php
+++ b/lib/Models/PayrollAu/PayRun.php
@@ -821,7 +821,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -834,7 +834,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -848,7 +848,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -865,7 +865,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/PayRuns.php b/lib/Models/PayrollAu/PayRuns.php
index 9c9349b3..14541b22 100644
--- a/lib/Models/PayrollAu/PayRuns.php
+++ b/lib/Models/PayrollAu/PayRuns.php
@@ -238,7 +238,7 @@ public function setPayRuns($pay_runs)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['pay_runs'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['pay_runs'][$offset]) ? $this->container['pay_runs'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['pay_runs'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['pay_runs']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['pay_runs']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return PayrollAuObjectSerializer::sanitizeForSerialization($this)->PayRuns;
diff --git a/lib/Models/PayrollAu/PayTemplate.php b/lib/Models/PayrollAu/PayTemplate.php
index 55a22bcf..d74d3819 100644
--- a/lib/Models/PayrollAu/PayTemplate.php
+++ b/lib/Models/PayrollAu/PayTemplate.php
@@ -370,7 +370,7 @@ public function setLeaveLines($leave_lines)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/PayrollCalendar.php b/lib/Models/PayrollAu/PayrollCalendar.php
index e5408a0f..77800046 100644
--- a/lib/Models/PayrollAu/PayrollCalendar.php
+++ b/lib/Models/PayrollAu/PayrollCalendar.php
@@ -554,7 +554,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -567,7 +567,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -581,7 +581,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -598,7 +598,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/PayrollCalendars.php b/lib/Models/PayrollAu/PayrollCalendars.php
index 9bbaf4df..7d512560 100644
--- a/lib/Models/PayrollAu/PayrollCalendars.php
+++ b/lib/Models/PayrollAu/PayrollCalendars.php
@@ -238,7 +238,7 @@ public function setPayrollCalendars($payroll_calendars)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['payroll_calendars'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['payroll_calendars'][$offset]) ? $this->container['payroll_calendars'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['payroll_calendars'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['payroll_calendars']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['payroll_calendars']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return PayrollAuObjectSerializer::sanitizeForSerialization($this)->PayrollCalendars;
diff --git a/lib/Models/PayrollAu/Payslip.php b/lib/Models/PayrollAu/Payslip.php
index 7abea4dd..11cb1561 100644
--- a/lib/Models/PayrollAu/Payslip.php
+++ b/lib/Models/PayrollAu/Payslip.php
@@ -839,7 +839,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -852,7 +852,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -866,7 +866,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -883,7 +883,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/PayslipLines.php b/lib/Models/PayrollAu/PayslipLines.php
index 63fef765..61e92945 100644
--- a/lib/Models/PayrollAu/PayslipLines.php
+++ b/lib/Models/PayrollAu/PayslipLines.php
@@ -469,7 +469,7 @@ public function setTaxLines($tax_lines)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -482,7 +482,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -496,7 +496,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -513,7 +513,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/PayslipObject.php b/lib/Models/PayrollAu/PayslipObject.php
index 45839f2c..5c033e71 100644
--- a/lib/Models/PayrollAu/PayslipObject.php
+++ b/lib/Models/PayrollAu/PayslipObject.php
@@ -238,7 +238,7 @@ public function setPayslip($payslip)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/PayslipSummary.php b/lib/Models/PayrollAu/PayslipSummary.php
index 17b16b61..1e1194f6 100644
--- a/lib/Models/PayrollAu/PayslipSummary.php
+++ b/lib/Models/PayrollAu/PayslipSummary.php
@@ -608,7 +608,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -621,7 +621,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -635,7 +635,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -652,7 +652,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/Payslips.php b/lib/Models/PayrollAu/Payslips.php
index 95e8a1a1..35fe0be6 100644
--- a/lib/Models/PayrollAu/Payslips.php
+++ b/lib/Models/PayrollAu/Payslips.php
@@ -238,7 +238,7 @@ public function setPayslips($payslips)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['payslips'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['payslips'][$offset]) ? $this->container['payslips'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['payslips'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['payslips']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['payslips']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return PayrollAuObjectSerializer::sanitizeForSerialization($this)->Payslips;
diff --git a/lib/Models/PayrollAu/ReimbursementLine.php b/lib/Models/PayrollAu/ReimbursementLine.php
index 0074c926..925d717c 100644
--- a/lib/Models/PayrollAu/ReimbursementLine.php
+++ b/lib/Models/PayrollAu/ReimbursementLine.php
@@ -345,7 +345,7 @@ public function setExpenseAccount($expense_account)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -358,7 +358,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -372,7 +372,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -389,7 +389,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/ReimbursementLines.php b/lib/Models/PayrollAu/ReimbursementLines.php
index 85a20906..c422c6a8 100644
--- a/lib/Models/PayrollAu/ReimbursementLines.php
+++ b/lib/Models/PayrollAu/ReimbursementLines.php
@@ -239,7 +239,7 @@ public function setReimbursementLines($reimbursement_lines)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['reimbursement_lines'][$offset]);
@@ -252,7 +252,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['reimbursement_lines'][$offset]) ? $this->container['reimbursement_lines'][$offset] : null;
@@ -266,7 +266,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -283,22 +283,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['reimbursement_lines'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['reimbursement_lines']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['reimbursement_lines']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return PayrollAuObjectSerializer::sanitizeForSerialization($this)->ReimbursementLines;
diff --git a/lib/Models/PayrollAu/ReimbursementType.php b/lib/Models/PayrollAu/ReimbursementType.php
index f943b524..7be67bf2 100644
--- a/lib/Models/PayrollAu/ReimbursementType.php
+++ b/lib/Models/PayrollAu/ReimbursementType.php
@@ -385,7 +385,7 @@ public function setCurrentRecord($current_record)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -398,7 +398,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -412,7 +412,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -429,7 +429,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/Settings.php b/lib/Models/PayrollAu/Settings.php
index bfb1b543..74eeeae3 100644
--- a/lib/Models/PayrollAu/Settings.php
+++ b/lib/Models/PayrollAu/Settings.php
@@ -304,7 +304,7 @@ public function setDaysInPayrollYear($days_in_payroll_year)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/SettingsObject.php b/lib/Models/PayrollAu/SettingsObject.php
index f0429913..8bb95a6b 100644
--- a/lib/Models/PayrollAu/SettingsObject.php
+++ b/lib/Models/PayrollAu/SettingsObject.php
@@ -238,7 +238,7 @@ public function setSettings($settings)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/SettingsTrackingCategories.php b/lib/Models/PayrollAu/SettingsTrackingCategories.php
index 2c0ec273..12038f8e 100644
--- a/lib/Models/PayrollAu/SettingsTrackingCategories.php
+++ b/lib/Models/PayrollAu/SettingsTrackingCategories.php
@@ -272,7 +272,7 @@ public function setTimesheetCategories($timesheet_categories)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -285,7 +285,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -299,7 +299,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -316,7 +316,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/SettingsTrackingCategoriesEmployeeGroups.php b/lib/Models/PayrollAu/SettingsTrackingCategoriesEmployeeGroups.php
index f298402f..ef38e143 100644
--- a/lib/Models/PayrollAu/SettingsTrackingCategoriesEmployeeGroups.php
+++ b/lib/Models/PayrollAu/SettingsTrackingCategoriesEmployeeGroups.php
@@ -272,7 +272,7 @@ public function setTrackingCategoryName($tracking_category_name)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -285,7 +285,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -299,7 +299,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -316,7 +316,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/SettingsTrackingCategoriesTimesheetCategories.php b/lib/Models/PayrollAu/SettingsTrackingCategoriesTimesheetCategories.php
index 9290a27c..b6e038d5 100644
--- a/lib/Models/PayrollAu/SettingsTrackingCategoriesTimesheetCategories.php
+++ b/lib/Models/PayrollAu/SettingsTrackingCategoriesTimesheetCategories.php
@@ -272,7 +272,7 @@ public function setTrackingCategoryName($tracking_category_name)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -285,7 +285,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -299,7 +299,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -316,7 +316,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/SuperFund.php b/lib/Models/PayrollAu/SuperFund.php
index 10c62dda..de3c64a7 100644
--- a/lib/Models/PayrollAu/SuperFund.php
+++ b/lib/Models/PayrollAu/SuperFund.php
@@ -644,7 +644,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -657,7 +657,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -671,7 +671,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -688,7 +688,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/SuperFundProduct.php b/lib/Models/PayrollAu/SuperFundProduct.php
index 05b3924f..bf1a4afa 100644
--- a/lib/Models/PayrollAu/SuperFundProduct.php
+++ b/lib/Models/PayrollAu/SuperFundProduct.php
@@ -337,7 +337,7 @@ public function setProductName($product_name)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/SuperFundProducts.php b/lib/Models/PayrollAu/SuperFundProducts.php
index 7a5212db..92a7fa0b 100644
--- a/lib/Models/PayrollAu/SuperFundProducts.php
+++ b/lib/Models/PayrollAu/SuperFundProducts.php
@@ -238,7 +238,7 @@ public function setSuperFundProducts($super_fund_products)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['super_fund_products'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['super_fund_products'][$offset]) ? $this->container['super_fund_products'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['super_fund_products'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['super_fund_products']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['super_fund_products']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return PayrollAuObjectSerializer::sanitizeForSerialization($this)->SuperFundProducts;
diff --git a/lib/Models/PayrollAu/SuperFunds.php b/lib/Models/PayrollAu/SuperFunds.php
index 7d23623d..0883ab52 100644
--- a/lib/Models/PayrollAu/SuperFunds.php
+++ b/lib/Models/PayrollAu/SuperFunds.php
@@ -238,7 +238,7 @@ public function setSuperFunds($super_funds)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['super_funds'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['super_funds'][$offset]) ? $this->container['super_funds'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['super_funds'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['super_funds']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['super_funds']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return PayrollAuObjectSerializer::sanitizeForSerialization($this)->SuperFunds;
diff --git a/lib/Models/PayrollAu/SuperLine.php b/lib/Models/PayrollAu/SuperLine.php
index bdaccfa5..611efc15 100644
--- a/lib/Models/PayrollAu/SuperLine.php
+++ b/lib/Models/PayrollAu/SuperLine.php
@@ -469,7 +469,7 @@ public function setAmount($amount)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -482,7 +482,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -496,7 +496,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -513,7 +513,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/SuperMembership.php b/lib/Models/PayrollAu/SuperMembership.php
index 3529f927..5adfe01a 100644
--- a/lib/Models/PayrollAu/SuperMembership.php
+++ b/lib/Models/PayrollAu/SuperMembership.php
@@ -310,7 +310,7 @@ public function setEmployeeNumber($employee_number)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -323,7 +323,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -337,7 +337,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -354,7 +354,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/SuperannuationLine.php b/lib/Models/PayrollAu/SuperannuationLine.php
index c32c8a63..fcec98ae 100644
--- a/lib/Models/PayrollAu/SuperannuationLine.php
+++ b/lib/Models/PayrollAu/SuperannuationLine.php
@@ -528,7 +528,7 @@ public function setAmount($amount)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -541,7 +541,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -555,7 +555,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -572,7 +572,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/TaxDeclaration.php b/lib/Models/PayrollAu/TaxDeclaration.php
index 82cf879a..15f2115f 100644
--- a/lib/Models/PayrollAu/TaxDeclaration.php
+++ b/lib/Models/PayrollAu/TaxDeclaration.php
@@ -740,7 +740,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -753,7 +753,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -767,7 +767,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -784,7 +784,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/TaxLine.php b/lib/Models/PayrollAu/TaxLine.php
index 0cd59dc2..f67220d3 100644
--- a/lib/Models/PayrollAu/TaxLine.php
+++ b/lib/Models/PayrollAu/TaxLine.php
@@ -403,7 +403,7 @@ public function setLiabilityAccount($liability_account)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/Timesheet.php b/lib/Models/PayrollAu/Timesheet.php
index 992bf17e..08142560 100644
--- a/lib/Models/PayrollAu/Timesheet.php
+++ b/lib/Models/PayrollAu/Timesheet.php
@@ -570,7 +570,7 @@ public function setValidationErrors($validation_errors)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -583,7 +583,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -597,7 +597,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -614,7 +614,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/TimesheetLine.php b/lib/Models/PayrollAu/TimesheetLine.php
index db3ade21..1c89578c 100644
--- a/lib/Models/PayrollAu/TimesheetLine.php
+++ b/lib/Models/PayrollAu/TimesheetLine.php
@@ -344,7 +344,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -357,7 +357,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -371,7 +371,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -388,7 +388,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/TimesheetObject.php b/lib/Models/PayrollAu/TimesheetObject.php
index 4ce6dfaa..0decaf96 100644
--- a/lib/Models/PayrollAu/TimesheetObject.php
+++ b/lib/Models/PayrollAu/TimesheetObject.php
@@ -238,7 +238,7 @@ public function setTimesheet($timesheet)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollAu/Timesheets.php b/lib/Models/PayrollAu/Timesheets.php
index a0d5e506..24c961a6 100644
--- a/lib/Models/PayrollAu/Timesheets.php
+++ b/lib/Models/PayrollAu/Timesheets.php
@@ -238,7 +238,7 @@ public function setTimesheets($timesheets)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container['timesheets'][$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container['timesheets'][$offset]) ? $this->container['timesheets'][$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,22 +282,25 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container['timesheets'][$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function count() 
     {
         return count($this->container['timesheets']);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() 
     {
         return new \ArrayIterator($this->container['timesheets']);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return PayrollAuObjectSerializer::sanitizeForSerialization($this)->Timesheets;
diff --git a/lib/Models/PayrollAu/ValidationError.php b/lib/Models/PayrollAu/ValidationError.php
index 1c1347f9..513127a1 100644
--- a/lib/Models/PayrollAu/ValidationError.php
+++ b/lib/Models/PayrollAu/ValidationError.php
@@ -238,7 +238,7 @@ public function setMessage($message)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Account.php b/lib/Models/PayrollNz/Account.php
index b5d03c54..257d3639 100644
--- a/lib/Models/PayrollNz/Account.php
+++ b/lib/Models/PayrollNz/Account.php
@@ -373,7 +373,7 @@ public function setName($name)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -386,7 +386,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -400,7 +400,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -417,7 +417,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Accounts.php b/lib/Models/PayrollNz/Accounts.php
index 83c9fe28..a61b9150 100644
--- a/lib/Models/PayrollNz/Accounts.php
+++ b/lib/Models/PayrollNz/Accounts.php
@@ -238,7 +238,7 @@ public function setAccounts($accounts)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Address.php b/lib/Models/PayrollNz/Address.php
index 74e2ca29..c097ed90 100644
--- a/lib/Models/PayrollNz/Address.php
+++ b/lib/Models/PayrollNz/Address.php
@@ -412,7 +412,7 @@ public function setCountryName($country_name)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -425,7 +425,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -439,7 +439,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -456,7 +456,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/BankAccount.php b/lib/Models/PayrollNz/BankAccount.php
index 9c7b11da..83eb1630 100644
--- a/lib/Models/PayrollNz/BankAccount.php
+++ b/lib/Models/PayrollNz/BankAccount.php
@@ -510,7 +510,7 @@ public function setCalculationType($calculation_type)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -523,7 +523,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -537,7 +537,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -554,7 +554,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Benefit.php b/lib/Models/PayrollNz/Benefit.php
index 2072e580..db30b15c 100644
--- a/lib/Models/PayrollNz/Benefit.php
+++ b/lib/Models/PayrollNz/Benefit.php
@@ -613,7 +613,7 @@ public function setCurrentRecord($current_record)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -626,7 +626,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -640,7 +640,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -657,7 +657,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Deduction.php b/lib/Models/PayrollNz/Deduction.php
index a8db861f..f9556ce5 100644
--- a/lib/Models/PayrollNz/Deduction.php
+++ b/lib/Models/PayrollNz/Deduction.php
@@ -448,7 +448,7 @@ public function setStandardAmount($standard_amount)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -461,7 +461,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -475,7 +475,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -492,7 +492,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/DeductionLine.php b/lib/Models/PayrollNz/DeductionLine.php
index 4fc8e378..d5adbe49 100644
--- a/lib/Models/PayrollNz/DeductionLine.php
+++ b/lib/Models/PayrollNz/DeductionLine.php
@@ -370,7 +370,7 @@ public function setPercentage($percentage)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/DeductionObject.php b/lib/Models/PayrollNz/DeductionObject.php
index f9c67d80..027d5179 100644
--- a/lib/Models/PayrollNz/DeductionObject.php
+++ b/lib/Models/PayrollNz/DeductionObject.php
@@ -304,7 +304,7 @@ public function setDeduction($deduction)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Deductions.php b/lib/Models/PayrollNz/Deductions.php
index db3f42e5..512633ed 100644
--- a/lib/Models/PayrollNz/Deductions.php
+++ b/lib/Models/PayrollNz/Deductions.php
@@ -304,7 +304,7 @@ public function setDeductions($deductions)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EarningsLine.php b/lib/Models/PayrollNz/EarningsLine.php
index 2add6a99..47f108ec 100644
--- a/lib/Models/PayrollNz/EarningsLine.php
+++ b/lib/Models/PayrollNz/EarningsLine.php
@@ -535,7 +535,7 @@ public function setIsSystemGenerated($is_system_generated)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -548,7 +548,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -562,7 +562,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -579,7 +579,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EarningsOrder.php b/lib/Models/PayrollNz/EarningsOrder.php
index e9ea0dd8..ca6fcb80 100644
--- a/lib/Models/PayrollNz/EarningsOrder.php
+++ b/lib/Models/PayrollNz/EarningsOrder.php
@@ -373,7 +373,7 @@ public function setCurrentRecord($current_record)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -386,7 +386,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -400,7 +400,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -417,7 +417,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EarningsOrderObject.php b/lib/Models/PayrollNz/EarningsOrderObject.php
index ed0c5c99..748161c7 100644
--- a/lib/Models/PayrollNz/EarningsOrderObject.php
+++ b/lib/Models/PayrollNz/EarningsOrderObject.php
@@ -304,7 +304,7 @@ public function setStatutoryDeduction($statutory_deduction)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EarningsOrders.php b/lib/Models/PayrollNz/EarningsOrders.php
index 40290696..00349472 100644
--- a/lib/Models/PayrollNz/EarningsOrders.php
+++ b/lib/Models/PayrollNz/EarningsOrders.php
@@ -304,7 +304,7 @@ public function setStatutoryDeductions($statutory_deductions)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EarningsRate.php b/lib/Models/PayrollNz/EarningsRate.php
index a4c1a4c8..6c39bcaa 100644
--- a/lib/Models/PayrollNz/EarningsRate.php
+++ b/lib/Models/PayrollNz/EarningsRate.php
@@ -642,7 +642,7 @@ public function setFixedAmount($fixed_amount)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -655,7 +655,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -669,7 +669,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -686,7 +686,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EarningsRateObject.php b/lib/Models/PayrollNz/EarningsRateObject.php
index ef4c5e71..84c5408e 100644
--- a/lib/Models/PayrollNz/EarningsRateObject.php
+++ b/lib/Models/PayrollNz/EarningsRateObject.php
@@ -304,7 +304,7 @@ public function setEarningsRate($earnings_rate)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EarningsRates.php b/lib/Models/PayrollNz/EarningsRates.php
index 14860aa2..fe617630 100644
--- a/lib/Models/PayrollNz/EarningsRates.php
+++ b/lib/Models/PayrollNz/EarningsRates.php
@@ -304,7 +304,7 @@ public function setEarningsRates($earnings_rates)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EarningsTemplate.php b/lib/Models/PayrollNz/EarningsTemplate.php
index abddf576..1fe60a94 100644
--- a/lib/Models/PayrollNz/EarningsTemplate.php
+++ b/lib/Models/PayrollNz/EarningsTemplate.php
@@ -403,7 +403,7 @@ public function setName($name)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EarningsTemplateObject.php b/lib/Models/PayrollNz/EarningsTemplateObject.php
index add4919b..62a4af10 100644
--- a/lib/Models/PayrollNz/EarningsTemplateObject.php
+++ b/lib/Models/PayrollNz/EarningsTemplateObject.php
@@ -304,7 +304,7 @@ public function setEarningTemplate($earning_template)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Employee.php b/lib/Models/PayrollNz/Employee.php
index 3220e8d3..0cdc8381 100644
--- a/lib/Models/PayrollNz/Employee.php
+++ b/lib/Models/PayrollNz/Employee.php
@@ -699,7 +699,7 @@ public function setCreatedDateUtc($created_date_utc)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -712,7 +712,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -726,7 +726,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -743,7 +743,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeEarningsTemplates.php b/lib/Models/PayrollNz/EmployeeEarningsTemplates.php
index 5c0c0031..dcdb6688 100644
--- a/lib/Models/PayrollNz/EmployeeEarningsTemplates.php
+++ b/lib/Models/PayrollNz/EmployeeEarningsTemplates.php
@@ -304,7 +304,7 @@ public function setEarningTemplates($earning_templates)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeave.php b/lib/Models/PayrollNz/EmployeeLeave.php
index 69daa5bd..cb02e70f 100644
--- a/lib/Models/PayrollNz/EmployeeLeave.php
+++ b/lib/Models/PayrollNz/EmployeeLeave.php
@@ -448,7 +448,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -461,7 +461,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -475,7 +475,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -492,7 +492,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeaveBalance.php b/lib/Models/PayrollNz/EmployeeLeaveBalance.php
index f7b836dc..5c9960cb 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveBalance.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveBalance.php
@@ -337,7 +337,7 @@ public function setTypeOfUnits($type_of_units)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeaveBalances.php b/lib/Models/PayrollNz/EmployeeLeaveBalances.php
index bc48ea84..da6f039b 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveBalances.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveBalances.php
@@ -304,7 +304,7 @@ public function setLeaveBalances($leave_balances)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeaveObject.php b/lib/Models/PayrollNz/EmployeeLeaveObject.php
index 9bb2549c..d0392649 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveObject.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveObject.php
@@ -304,7 +304,7 @@ public function setLeave($leave)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeaveSetup.php b/lib/Models/PayrollNz/EmployeeLeaveSetup.php
index 48afa107..55e1cc08 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveSetup.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveSetup.php
@@ -436,7 +436,7 @@ public function setSickLeaveOpeningBalance($sick_leave_opening_balance)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -449,7 +449,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -463,7 +463,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -480,7 +480,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeaveSetupObject.php b/lib/Models/PayrollNz/EmployeeLeaveSetupObject.php
index cc552c11..3c1cf92b 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveSetupObject.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveSetupObject.php
@@ -304,7 +304,7 @@ public function setLeaveSetup($leave_setup)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeaveType.php b/lib/Models/PayrollNz/EmployeeLeaveType.php
index 29998c58..8a0dd28d 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveType.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveType.php
@@ -571,7 +571,7 @@ public function setAnnualLeaveTotalAmountPaid($annual_leave_total_amount_paid)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -584,7 +584,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -598,7 +598,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -615,7 +615,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeaveTypeObject.php b/lib/Models/PayrollNz/EmployeeLeaveTypeObject.php
index 78164db4..1e012c4b 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveTypeObject.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveTypeObject.php
@@ -304,7 +304,7 @@ public function setLeaveType($leave_type)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeaveTypes.php b/lib/Models/PayrollNz/EmployeeLeaveTypes.php
index 7421bb7f..d0046221 100644
--- a/lib/Models/PayrollNz/EmployeeLeaveTypes.php
+++ b/lib/Models/PayrollNz/EmployeeLeaveTypes.php
@@ -304,7 +304,7 @@ public function setLeaveTypes($leave_types)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeLeaves.php b/lib/Models/PayrollNz/EmployeeLeaves.php
index b1e4b010..8eacbc29 100644
--- a/lib/Models/PayrollNz/EmployeeLeaves.php
+++ b/lib/Models/PayrollNz/EmployeeLeaves.php
@@ -304,7 +304,7 @@ public function setLeave($leave)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeObject.php b/lib/Models/PayrollNz/EmployeeObject.php
index daa00a0c..43b91b56 100644
--- a/lib/Models/PayrollNz/EmployeeObject.php
+++ b/lib/Models/PayrollNz/EmployeeObject.php
@@ -304,7 +304,7 @@ public function setProblem($problem)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeOpeningBalance.php b/lib/Models/PayrollNz/EmployeeOpeningBalance.php
index ee5ed3cf..0bd32785 100644
--- a/lib/Models/PayrollNz/EmployeeOpeningBalance.php
+++ b/lib/Models/PayrollNz/EmployeeOpeningBalance.php
@@ -337,7 +337,7 @@ public function setGrossEarnings($gross_earnings)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeOpeningBalancesObject.php b/lib/Models/PayrollNz/EmployeeOpeningBalancesObject.php
index ed49cac8..899f19ea 100644
--- a/lib/Models/PayrollNz/EmployeeOpeningBalancesObject.php
+++ b/lib/Models/PayrollNz/EmployeeOpeningBalancesObject.php
@@ -304,7 +304,7 @@ public function setOpeningBalances($opening_balances)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeePayTemplate.php b/lib/Models/PayrollNz/EmployeePayTemplate.php
index a7b958f0..658c866b 100644
--- a/lib/Models/PayrollNz/EmployeePayTemplate.php
+++ b/lib/Models/PayrollNz/EmployeePayTemplate.php
@@ -271,7 +271,7 @@ public function setEarningTemplates($earning_templates)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeePayTemplateObject.php b/lib/Models/PayrollNz/EmployeePayTemplateObject.php
index 3400c680..b9d53fb9 100644
--- a/lib/Models/PayrollNz/EmployeePayTemplateObject.php
+++ b/lib/Models/PayrollNz/EmployeePayTemplateObject.php
@@ -304,7 +304,7 @@ public function setPayTemplate($pay_template)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeePayTemplates.php b/lib/Models/PayrollNz/EmployeePayTemplates.php
index 4a9e1fc3..a5b425ac 100644
--- a/lib/Models/PayrollNz/EmployeePayTemplates.php
+++ b/lib/Models/PayrollNz/EmployeePayTemplates.php
@@ -304,7 +304,7 @@ public function setPayTemplate($pay_template)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalance.php b/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalance.php
index c619656d..073053e3 100644
--- a/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalance.php
+++ b/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalance.php
@@ -372,7 +372,7 @@ public function setUnits($units)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -385,7 +385,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -399,7 +399,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -416,7 +416,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalanceObject.php b/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalanceObject.php
index 2efe9ee4..4d4c3563 100644
--- a/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalanceObject.php
+++ b/lib/Models/PayrollNz/EmployeeStatutoryLeaveBalanceObject.php
@@ -304,7 +304,7 @@ public function setLeaveBalance($leave_balance)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeStatutoryLeaveSummary.php b/lib/Models/PayrollNz/EmployeeStatutoryLeaveSummary.php
index 39d65dc2..6f7f4f83 100644
--- a/lib/Models/PayrollNz/EmployeeStatutoryLeaveSummary.php
+++ b/lib/Models/PayrollNz/EmployeeStatutoryLeaveSummary.php
@@ -508,7 +508,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -521,7 +521,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -535,7 +535,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -552,7 +552,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeStatutoryLeavesSummaries.php b/lib/Models/PayrollNz/EmployeeStatutoryLeavesSummaries.php
index f157053f..10f30936 100644
--- a/lib/Models/PayrollNz/EmployeeStatutoryLeavesSummaries.php
+++ b/lib/Models/PayrollNz/EmployeeStatutoryLeavesSummaries.php
@@ -304,7 +304,7 @@ public function setStatutoryLeaves($statutory_leaves)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeStatutorySickLeave.php b/lib/Models/PayrollNz/EmployeeStatutorySickLeave.php
index 2b9c372e..40752f58 100644
--- a/lib/Models/PayrollNz/EmployeeStatutorySickLeave.php
+++ b/lib/Models/PayrollNz/EmployeeStatutorySickLeave.php
@@ -786,7 +786,7 @@ public function setEntitlementFailureReasons($entitlement_failure_reasons)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -799,7 +799,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -813,7 +813,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -830,7 +830,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeStatutorySickLeaveObject.php b/lib/Models/PayrollNz/EmployeeStatutorySickLeaveObject.php
index a772bded..eab2a14c 100644
--- a/lib/Models/PayrollNz/EmployeeStatutorySickLeaveObject.php
+++ b/lib/Models/PayrollNz/EmployeeStatutorySickLeaveObject.php
@@ -304,7 +304,7 @@ public function setStatutorySickLeave($statutory_sick_leave)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeStatutorySickLeaves.php b/lib/Models/PayrollNz/EmployeeStatutorySickLeaves.php
index 3468fe90..37ea41ae 100644
--- a/lib/Models/PayrollNz/EmployeeStatutorySickLeaves.php
+++ b/lib/Models/PayrollNz/EmployeeStatutorySickLeaves.php
@@ -304,7 +304,7 @@ public function setStatutorySickLeave($statutory_sick_leave)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeTax.php b/lib/Models/PayrollNz/EmployeeTax.php
index e7110a05..f6867781 100644
--- a/lib/Models/PayrollNz/EmployeeTax.php
+++ b/lib/Models/PayrollNz/EmployeeTax.php
@@ -771,7 +771,7 @@ public function setStudentLoanAsAt($student_loan_as_at)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -784,7 +784,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -798,7 +798,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -815,7 +815,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmployeeTaxObject.php b/lib/Models/PayrollNz/EmployeeTaxObject.php
index 353f0222..f07f992e 100644
--- a/lib/Models/PayrollNz/EmployeeTaxObject.php
+++ b/lib/Models/PayrollNz/EmployeeTaxObject.php
@@ -304,7 +304,7 @@ public function setEmployeeTax($employee_tax)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Employees.php b/lib/Models/PayrollNz/Employees.php
index 3320fed9..c6f37e6d 100644
--- a/lib/Models/PayrollNz/Employees.php
+++ b/lib/Models/PayrollNz/Employees.php
@@ -304,7 +304,7 @@ public function setEmployees($employees)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Employment.php b/lib/Models/PayrollNz/Employment.php
index 75c13ea0..b4d7a1b1 100644
--- a/lib/Models/PayrollNz/Employment.php
+++ b/lib/Models/PayrollNz/Employment.php
@@ -304,7 +304,7 @@ public function setStartDate($start_date)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/EmploymentObject.php b/lib/Models/PayrollNz/EmploymentObject.php
index 87472805..c9ec1bbd 100644
--- a/lib/Models/PayrollNz/EmploymentObject.php
+++ b/lib/Models/PayrollNz/EmploymentObject.php
@@ -304,7 +304,7 @@ public function setEmployment($employment)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/GrossEarningsHistory.php b/lib/Models/PayrollNz/GrossEarningsHistory.php
index 43e3fccb..f50c719c 100644
--- a/lib/Models/PayrollNz/GrossEarningsHistory.php
+++ b/lib/Models/PayrollNz/GrossEarningsHistory.php
@@ -271,7 +271,7 @@ public function setUnpaidWeeks($unpaid_weeks)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/InvalidField.php b/lib/Models/PayrollNz/InvalidField.php
index efec5336..5d12bf54 100644
--- a/lib/Models/PayrollNz/InvalidField.php
+++ b/lib/Models/PayrollNz/InvalidField.php
@@ -271,7 +271,7 @@ public function setReason($reason)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/LeaveAccrualLine.php b/lib/Models/PayrollNz/LeaveAccrualLine.php
index 7960d086..e0e3764a 100644
--- a/lib/Models/PayrollNz/LeaveAccrualLine.php
+++ b/lib/Models/PayrollNz/LeaveAccrualLine.php
@@ -271,7 +271,7 @@ public function setNumberOfUnits($number_of_units)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/LeaveEarningsLine.php b/lib/Models/PayrollNz/LeaveEarningsLine.php
index 1cfe11ec..b1ca06ea 100644
--- a/lib/Models/PayrollNz/LeaveEarningsLine.php
+++ b/lib/Models/PayrollNz/LeaveEarningsLine.php
@@ -535,7 +535,7 @@ public function setIsSystemGenerated($is_system_generated)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -548,7 +548,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -562,7 +562,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -579,7 +579,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/LeavePeriod.php b/lib/Models/PayrollNz/LeavePeriod.php
index f3c4c35a..c7344fb7 100644
--- a/lib/Models/PayrollNz/LeavePeriod.php
+++ b/lib/Models/PayrollNz/LeavePeriod.php
@@ -369,7 +369,7 @@ public function setPeriodStatus($period_status)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -382,7 +382,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -396,7 +396,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -413,7 +413,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/LeavePeriods.php b/lib/Models/PayrollNz/LeavePeriods.php
index 99e6e51d..8984717c 100644
--- a/lib/Models/PayrollNz/LeavePeriods.php
+++ b/lib/Models/PayrollNz/LeavePeriods.php
@@ -304,7 +304,7 @@ public function setPeriods($periods)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/LeaveType.php b/lib/Models/PayrollNz/LeaveType.php
index fb886d78..a862fdeb 100644
--- a/lib/Models/PayrollNz/LeaveType.php
+++ b/lib/Models/PayrollNz/LeaveType.php
@@ -412,7 +412,7 @@ public function setIsActive($is_active)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -425,7 +425,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -439,7 +439,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -456,7 +456,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/LeaveTypeObject.php b/lib/Models/PayrollNz/LeaveTypeObject.php
index a90b5e37..0a584fd9 100644
--- a/lib/Models/PayrollNz/LeaveTypeObject.php
+++ b/lib/Models/PayrollNz/LeaveTypeObject.php
@@ -304,7 +304,7 @@ public function setLeaveType($leave_type)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/LeaveTypes.php b/lib/Models/PayrollNz/LeaveTypes.php
index 04811085..80f61688 100644
--- a/lib/Models/PayrollNz/LeaveTypes.php
+++ b/lib/Models/PayrollNz/LeaveTypes.php
@@ -304,7 +304,7 @@ public function setLeaveTypes($leave_types)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Pagination.php b/lib/Models/PayrollNz/Pagination.php
index 39b14dc1..28f5b2aa 100644
--- a/lib/Models/PayrollNz/Pagination.php
+++ b/lib/Models/PayrollNz/Pagination.php
@@ -337,7 +337,7 @@ public function setItemCount($item_count)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PayRun.php b/lib/Models/PayrollNz/PayRun.php
index d5ab9be3..5a17e90d 100644
--- a/lib/Models/PayrollNz/PayRun.php
+++ b/lib/Models/PayrollNz/PayRun.php
@@ -667,7 +667,7 @@ public function setPaySlips($pay_slips)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -680,7 +680,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -694,7 +694,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -711,7 +711,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PayRunCalendar.php b/lib/Models/PayrollNz/PayRunCalendar.php
index 4581a54d..c2f75dcd 100644
--- a/lib/Models/PayrollNz/PayRunCalendar.php
+++ b/lib/Models/PayrollNz/PayRunCalendar.php
@@ -448,7 +448,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -461,7 +461,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -475,7 +475,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -492,7 +492,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PayRunCalendarObject.php b/lib/Models/PayrollNz/PayRunCalendarObject.php
index ab0b57d9..dd7f68d9 100644
--- a/lib/Models/PayrollNz/PayRunCalendarObject.php
+++ b/lib/Models/PayrollNz/PayRunCalendarObject.php
@@ -304,7 +304,7 @@ public function setPayRunCalendar($pay_run_calendar)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PayRunCalendars.php b/lib/Models/PayrollNz/PayRunCalendars.php
index 6570fa6e..09521cb9 100644
--- a/lib/Models/PayrollNz/PayRunCalendars.php
+++ b/lib/Models/PayrollNz/PayRunCalendars.php
@@ -304,7 +304,7 @@ public function setPayRunCalendars($pay_run_calendars)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PayRunObject.php b/lib/Models/PayrollNz/PayRunObject.php
index b1356c87..ae6b7bec 100644
--- a/lib/Models/PayrollNz/PayRunObject.php
+++ b/lib/Models/PayrollNz/PayRunObject.php
@@ -304,7 +304,7 @@ public function setPayRun($pay_run)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PayRuns.php b/lib/Models/PayrollNz/PayRuns.php
index 15f31cc8..eb9623eb 100644
--- a/lib/Models/PayrollNz/PayRuns.php
+++ b/lib/Models/PayrollNz/PayRuns.php
@@ -304,7 +304,7 @@ public function setPayRuns($pay_runs)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PaySlip.php b/lib/Models/PayrollNz/PaySlip.php
index 295d6963..6c687fef 100644
--- a/lib/Models/PayrollNz/PaySlip.php
+++ b/lib/Models/PayrollNz/PaySlip.php
@@ -1229,7 +1229,7 @@ public function setGrossEarningsHistory($gross_earnings_history)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1242,7 +1242,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1256,7 +1256,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1273,7 +1273,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PaySlipObject.php b/lib/Models/PayrollNz/PaySlipObject.php
index 61ca58aa..04431ddb 100644
--- a/lib/Models/PayrollNz/PaySlipObject.php
+++ b/lib/Models/PayrollNz/PaySlipObject.php
@@ -304,7 +304,7 @@ public function setPaySlip($pay_slip)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PaySlips.php b/lib/Models/PayrollNz/PaySlips.php
index afb92969..72ac0c20 100644
--- a/lib/Models/PayrollNz/PaySlips.php
+++ b/lib/Models/PayrollNz/PaySlips.php
@@ -304,7 +304,7 @@ public function setPaySlips($pay_slips)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PaymentLine.php b/lib/Models/PayrollNz/PaymentLine.php
index e3e86005..dd14e6ed 100644
--- a/lib/Models/PayrollNz/PaymentLine.php
+++ b/lib/Models/PayrollNz/PaymentLine.php
@@ -370,7 +370,7 @@ public function setAccountName($account_name)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PaymentMethod.php b/lib/Models/PayrollNz/PaymentMethod.php
index c3d0890f..fc7b4ea5 100644
--- a/lib/Models/PayrollNz/PaymentMethod.php
+++ b/lib/Models/PayrollNz/PaymentMethod.php
@@ -305,7 +305,7 @@ public function setBankAccounts($bank_accounts)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -318,7 +318,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -332,7 +332,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -349,7 +349,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/PaymentMethodObject.php b/lib/Models/PayrollNz/PaymentMethodObject.php
index c3b3564f..4e1de499 100644
--- a/lib/Models/PayrollNz/PaymentMethodObject.php
+++ b/lib/Models/PayrollNz/PaymentMethodObject.php
@@ -304,7 +304,7 @@ public function setPaymentMethod($payment_method)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Problem.php b/lib/Models/PayrollNz/Problem.php
index 55678846..6c5419ee 100644
--- a/lib/Models/PayrollNz/Problem.php
+++ b/lib/Models/PayrollNz/Problem.php
@@ -404,7 +404,7 @@ public function setInvalidFields($invalid_fields)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -417,7 +417,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -431,7 +431,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -448,7 +448,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Reimbursement.php b/lib/Models/PayrollNz/Reimbursement.php
index fd63b6ea..1227dc3f 100644
--- a/lib/Models/PayrollNz/Reimbursement.php
+++ b/lib/Models/PayrollNz/Reimbursement.php
@@ -608,7 +608,7 @@ public function setStandardRatePerUnit($standard_rate_per_unit)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -621,7 +621,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -635,7 +635,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -652,7 +652,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/ReimbursementLine.php b/lib/Models/PayrollNz/ReimbursementLine.php
index e55a81bd..f0fbfb1e 100644
--- a/lib/Models/PayrollNz/ReimbursementLine.php
+++ b/lib/Models/PayrollNz/ReimbursementLine.php
@@ -370,7 +370,7 @@ public function setNumberOfUnits($number_of_units)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/ReimbursementObject.php b/lib/Models/PayrollNz/ReimbursementObject.php
index 621fd3cb..edf6f5c1 100644
--- a/lib/Models/PayrollNz/ReimbursementObject.php
+++ b/lib/Models/PayrollNz/ReimbursementObject.php
@@ -304,7 +304,7 @@ public function setReimbursement($reimbursement)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Reimbursements.php b/lib/Models/PayrollNz/Reimbursements.php
index 25fe0726..e8a5386d 100644
--- a/lib/Models/PayrollNz/Reimbursements.php
+++ b/lib/Models/PayrollNz/Reimbursements.php
@@ -304,7 +304,7 @@ public function setReimbursements($reimbursements)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/SalaryAndWage.php b/lib/Models/PayrollNz/SalaryAndWage.php
index 86417269..e51af7ea 100644
--- a/lib/Models/PayrollNz/SalaryAndWage.php
+++ b/lib/Models/PayrollNz/SalaryAndWage.php
@@ -622,7 +622,7 @@ public function setPaymentType($payment_type)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -635,7 +635,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -649,7 +649,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -666,7 +666,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/SalaryAndWageObject.php b/lib/Models/PayrollNz/SalaryAndWageObject.php
index 4f034597..214c0846 100644
--- a/lib/Models/PayrollNz/SalaryAndWageObject.php
+++ b/lib/Models/PayrollNz/SalaryAndWageObject.php
@@ -304,7 +304,7 @@ public function setSalaryAndWages($salary_and_wages)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/SalaryAndWages.php b/lib/Models/PayrollNz/SalaryAndWages.php
index 02f9fe81..683b0cf4 100644
--- a/lib/Models/PayrollNz/SalaryAndWages.php
+++ b/lib/Models/PayrollNz/SalaryAndWages.php
@@ -304,7 +304,7 @@ public function setSalaryAndWages($salary_and_wages)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Settings.php b/lib/Models/PayrollNz/Settings.php
index af93cb72..89870c62 100644
--- a/lib/Models/PayrollNz/Settings.php
+++ b/lib/Models/PayrollNz/Settings.php
@@ -304,7 +304,7 @@ public function setSettings($settings)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/StatutoryDeduction.php b/lib/Models/PayrollNz/StatutoryDeduction.php
index eb0ee5e6..3437652c 100644
--- a/lib/Models/PayrollNz/StatutoryDeduction.php
+++ b/lib/Models/PayrollNz/StatutoryDeduction.php
@@ -370,7 +370,7 @@ public function setCurrentRecord($current_record)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/StatutoryDeductionLine.php b/lib/Models/PayrollNz/StatutoryDeductionLine.php
index d3f7a555..81b93bea 100644
--- a/lib/Models/PayrollNz/StatutoryDeductionLine.php
+++ b/lib/Models/PayrollNz/StatutoryDeductionLine.php
@@ -337,7 +337,7 @@ public function setManualAdjustment($manual_adjustment)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/StatutoryDeductionObject.php b/lib/Models/PayrollNz/StatutoryDeductionObject.php
index 748276d7..7e7dbe50 100644
--- a/lib/Models/PayrollNz/StatutoryDeductionObject.php
+++ b/lib/Models/PayrollNz/StatutoryDeductionObject.php
@@ -304,7 +304,7 @@ public function setStatutoryDeduction($statutory_deduction)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/StatutoryDeductions.php b/lib/Models/PayrollNz/StatutoryDeductions.php
index 85fe2990..ce761f1d 100644
--- a/lib/Models/PayrollNz/StatutoryDeductions.php
+++ b/lib/Models/PayrollNz/StatutoryDeductions.php
@@ -304,7 +304,7 @@ public function setStatutoryDeductions($statutory_deductions)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/SuperannuationLine.php b/lib/Models/PayrollNz/SuperannuationLine.php
index e9c05222..d4940051 100644
--- a/lib/Models/PayrollNz/SuperannuationLine.php
+++ b/lib/Models/PayrollNz/SuperannuationLine.php
@@ -403,7 +403,7 @@ public function setManualAdjustment($manual_adjustment)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/SuperannuationObject.php b/lib/Models/PayrollNz/SuperannuationObject.php
index 8fa7af07..56b90d74 100644
--- a/lib/Models/PayrollNz/SuperannuationObject.php
+++ b/lib/Models/PayrollNz/SuperannuationObject.php
@@ -304,7 +304,7 @@ public function setBenefit($benefit)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Superannuations.php b/lib/Models/PayrollNz/Superannuations.php
index e4f2fcca..f9198581 100644
--- a/lib/Models/PayrollNz/Superannuations.php
+++ b/lib/Models/PayrollNz/Superannuations.php
@@ -304,7 +304,7 @@ public function setBenefits($benefits)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/TaxLine.php b/lib/Models/PayrollNz/TaxLine.php
index 30b848ce..835fb22a 100644
--- a/lib/Models/PayrollNz/TaxLine.php
+++ b/lib/Models/PayrollNz/TaxLine.php
@@ -370,7 +370,7 @@ public function setManualAdjustment($manual_adjustment)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/TaxSettings.php b/lib/Models/PayrollNz/TaxSettings.php
index 5f8c0a29..bc6863c3 100644
--- a/lib/Models/PayrollNz/TaxSettings.php
+++ b/lib/Models/PayrollNz/TaxSettings.php
@@ -435,7 +435,7 @@ public function setLumpSumAmount($lump_sum_amount)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -448,7 +448,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -462,7 +462,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -479,7 +479,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Timesheet.php b/lib/Models/PayrollNz/Timesheet.php
index 80e72308..f810dd71 100644
--- a/lib/Models/PayrollNz/Timesheet.php
+++ b/lib/Models/PayrollNz/Timesheet.php
@@ -550,7 +550,7 @@ public function setTimesheetLines($timesheet_lines)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -563,7 +563,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -577,7 +577,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -594,7 +594,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/TimesheetEarningsLine.php b/lib/Models/PayrollNz/TimesheetEarningsLine.php
index 5a06b6c2..2d642c68 100644
--- a/lib/Models/PayrollNz/TimesheetEarningsLine.php
+++ b/lib/Models/PayrollNz/TimesheetEarningsLine.php
@@ -535,7 +535,7 @@ public function setIsSystemGenerated($is_system_generated)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -548,7 +548,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -562,7 +562,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -579,7 +579,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/TimesheetLine.php b/lib/Models/PayrollNz/TimesheetLine.php
index a3fbc099..45926e3d 100644
--- a/lib/Models/PayrollNz/TimesheetLine.php
+++ b/lib/Models/PayrollNz/TimesheetLine.php
@@ -379,7 +379,7 @@ public function setNumberOfUnits($number_of_units)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -392,7 +392,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -406,7 +406,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -423,7 +423,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/TimesheetLineObject.php b/lib/Models/PayrollNz/TimesheetLineObject.php
index d616ae2d..9cdb25e3 100644
--- a/lib/Models/PayrollNz/TimesheetLineObject.php
+++ b/lib/Models/PayrollNz/TimesheetLineObject.php
@@ -304,7 +304,7 @@ public function setTimesheetLine($timesheet_line)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/TimesheetObject.php b/lib/Models/PayrollNz/TimesheetObject.php
index 09c6dfcc..44f68683 100644
--- a/lib/Models/PayrollNz/TimesheetObject.php
+++ b/lib/Models/PayrollNz/TimesheetObject.php
@@ -304,7 +304,7 @@ public function setTimesheet($timesheet)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/Timesheets.php b/lib/Models/PayrollNz/Timesheets.php
index 03409dce..73fd1eb7 100644
--- a/lib/Models/PayrollNz/Timesheets.php
+++ b/lib/Models/PayrollNz/Timesheets.php
@@ -304,7 +304,7 @@ public function setTimesheets($timesheets)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/TrackingCategories.php b/lib/Models/PayrollNz/TrackingCategories.php
index e245d8c2..54579bd8 100644
--- a/lib/Models/PayrollNz/TrackingCategories.php
+++ b/lib/Models/PayrollNz/TrackingCategories.php
@@ -304,7 +304,7 @@ public function setTrackingCategories($tracking_categories)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollNz/TrackingCategory.php b/lib/Models/PayrollNz/TrackingCategory.php
index a3116d02..a60b0163 100644
--- a/lib/Models/PayrollNz/TrackingCategory.php
+++ b/lib/Models/PayrollNz/TrackingCategory.php
@@ -271,7 +271,7 @@ public function setTimesheetTrackingCategoryId($timesheet_tracking_category_id)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Account.php b/lib/Models/PayrollUk/Account.php
index 02ee36a9..08bb1fae 100644
--- a/lib/Models/PayrollUk/Account.php
+++ b/lib/Models/PayrollUk/Account.php
@@ -379,7 +379,7 @@ public function setName($name)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -392,7 +392,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -406,7 +406,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -423,7 +423,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Accounts.php b/lib/Models/PayrollUk/Accounts.php
index c1406de0..0d498547 100644
--- a/lib/Models/PayrollUk/Accounts.php
+++ b/lib/Models/PayrollUk/Accounts.php
@@ -238,7 +238,7 @@ public function setAccounts($accounts)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -251,7 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -265,7 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -282,7 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Address.php b/lib/Models/PayrollUk/Address.php
index 575e62ff..3f5a7cd4 100644
--- a/lib/Models/PayrollUk/Address.php
+++ b/lib/Models/PayrollUk/Address.php
@@ -379,7 +379,7 @@ public function setCountryName($country_name)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -392,7 +392,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -406,7 +406,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -423,7 +423,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/BankAccount.php b/lib/Models/PayrollUk/BankAccount.php
index 7da489b1..886ecec3 100644
--- a/lib/Models/PayrollUk/BankAccount.php
+++ b/lib/Models/PayrollUk/BankAccount.php
@@ -313,7 +313,7 @@ public function setSortCode($sort_code)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -326,7 +326,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -340,7 +340,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -357,7 +357,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Benefit.php b/lib/Models/PayrollUk/Benefit.php
index 2c7e2840..48651925 100644
--- a/lib/Models/PayrollUk/Benefit.php
+++ b/lib/Models/PayrollUk/Benefit.php
@@ -749,7 +749,7 @@ public function setShowBalanceToEmployee($show_balance_to_employee)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -762,7 +762,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -776,7 +776,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -793,7 +793,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/BenefitLine.php b/lib/Models/PayrollUk/BenefitLine.php
index 97c935b4..6c8ff49f 100644
--- a/lib/Models/PayrollUk/BenefitLine.php
+++ b/lib/Models/PayrollUk/BenefitLine.php
@@ -370,7 +370,7 @@ public function setPercentage($percentage)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/BenefitObject.php b/lib/Models/PayrollUk/BenefitObject.php
index 1aa26e0a..70478f3f 100644
--- a/lib/Models/PayrollUk/BenefitObject.php
+++ b/lib/Models/PayrollUk/BenefitObject.php
@@ -304,7 +304,7 @@ public function setBenefit($benefit)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Benefits.php b/lib/Models/PayrollUk/Benefits.php
index f6d1ce87..4c14552d 100644
--- a/lib/Models/PayrollUk/Benefits.php
+++ b/lib/Models/PayrollUk/Benefits.php
@@ -304,7 +304,7 @@ public function setBenefits($benefits)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/CourtOrderLine.php b/lib/Models/PayrollUk/CourtOrderLine.php
index 515d5396..15190202 100644
--- a/lib/Models/PayrollUk/CourtOrderLine.php
+++ b/lib/Models/PayrollUk/CourtOrderLine.php
@@ -271,7 +271,7 @@ public function setAmount($amount)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Deduction.php b/lib/Models/PayrollUk/Deduction.php
index 8f6ff070..fe26ed7e 100644
--- a/lib/Models/PayrollUk/Deduction.php
+++ b/lib/Models/PayrollUk/Deduction.php
@@ -819,7 +819,7 @@ public function setIsPension($is_pension)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -832,7 +832,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -846,7 +846,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -863,7 +863,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/DeductionLine.php b/lib/Models/PayrollUk/DeductionLine.php
index e6eebe39..d0056c0a 100644
--- a/lib/Models/PayrollUk/DeductionLine.php
+++ b/lib/Models/PayrollUk/DeductionLine.php
@@ -337,7 +337,7 @@ public function setPercentage($percentage)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/DeductionObject.php b/lib/Models/PayrollUk/DeductionObject.php
index 083c4a41..26cccc2f 100644
--- a/lib/Models/PayrollUk/DeductionObject.php
+++ b/lib/Models/PayrollUk/DeductionObject.php
@@ -304,7 +304,7 @@ public function setDeduction($deduction)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Deductions.php b/lib/Models/PayrollUk/Deductions.php
index 6872cd94..7e658605 100644
--- a/lib/Models/PayrollUk/Deductions.php
+++ b/lib/Models/PayrollUk/Deductions.php
@@ -304,7 +304,7 @@ public function setDeductions($deductions)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EarningsLine.php b/lib/Models/PayrollUk/EarningsLine.php
index 66864147..61a72584 100644
--- a/lib/Models/PayrollUk/EarningsLine.php
+++ b/lib/Models/PayrollUk/EarningsLine.php
@@ -502,7 +502,7 @@ public function setIsAverageDailyPayRate($is_average_daily_pay_rate)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -515,7 +515,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -529,7 +529,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -546,7 +546,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EarningsOrder.php b/lib/Models/PayrollUk/EarningsOrder.php
index bcc759d4..05088357 100644
--- a/lib/Models/PayrollUk/EarningsOrder.php
+++ b/lib/Models/PayrollUk/EarningsOrder.php
@@ -373,7 +373,7 @@ public function setCurrentRecord($current_record)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -386,7 +386,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -400,7 +400,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -417,7 +417,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EarningsOrderObject.php b/lib/Models/PayrollUk/EarningsOrderObject.php
index 40578ea9..f1f1f66f 100644
--- a/lib/Models/PayrollUk/EarningsOrderObject.php
+++ b/lib/Models/PayrollUk/EarningsOrderObject.php
@@ -304,7 +304,7 @@ public function setStatutoryDeduction($statutory_deduction)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EarningsOrders.php b/lib/Models/PayrollUk/EarningsOrders.php
index ff9889b8..330548b2 100644
--- a/lib/Models/PayrollUk/EarningsOrders.php
+++ b/lib/Models/PayrollUk/EarningsOrders.php
@@ -304,7 +304,7 @@ public function setStatutoryDeductions($statutory_deductions)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EarningsRate.php b/lib/Models/PayrollUk/EarningsRate.php
index ac288e6d..391f1a84 100644
--- a/lib/Models/PayrollUk/EarningsRate.php
+++ b/lib/Models/PayrollUk/EarningsRate.php
@@ -658,7 +658,7 @@ public function setFixedAmount($fixed_amount)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -671,7 +671,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -685,7 +685,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -702,7 +702,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EarningsRateObject.php b/lib/Models/PayrollUk/EarningsRateObject.php
index 9272931e..5f355fba 100644
--- a/lib/Models/PayrollUk/EarningsRateObject.php
+++ b/lib/Models/PayrollUk/EarningsRateObject.php
@@ -304,7 +304,7 @@ public function setEarningsRate($earnings_rate)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EarningsRates.php b/lib/Models/PayrollUk/EarningsRates.php
index 54622706..b88629ac 100644
--- a/lib/Models/PayrollUk/EarningsRates.php
+++ b/lib/Models/PayrollUk/EarningsRates.php
@@ -304,7 +304,7 @@ public function setEarningsRates($earnings_rates)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EarningsTemplate.php b/lib/Models/PayrollUk/EarningsTemplate.php
index 8f12cfae..6b50c753 100644
--- a/lib/Models/PayrollUk/EarningsTemplate.php
+++ b/lib/Models/PayrollUk/EarningsTemplate.php
@@ -403,7 +403,7 @@ public function setName($name)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EarningsTemplateObject.php b/lib/Models/PayrollUk/EarningsTemplateObject.php
index 3b80dcf4..849a706b 100644
--- a/lib/Models/PayrollUk/EarningsTemplateObject.php
+++ b/lib/Models/PayrollUk/EarningsTemplateObject.php
@@ -304,7 +304,7 @@ public function setEarningTemplate($earning_template)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Employee.php b/lib/Models/PayrollUk/Employee.php
index 40919efb..73342e9b 100644
--- a/lib/Models/PayrollUk/Employee.php
+++ b/lib/Models/PayrollUk/Employee.php
@@ -765,7 +765,7 @@ public function setIsOffPayrollWorker($is_off_payroll_worker)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -778,7 +778,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -792,7 +792,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -809,7 +809,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeLeave.php b/lib/Models/PayrollUk/EmployeeLeave.php
index ba83a6a4..1efac986 100644
--- a/lib/Models/PayrollUk/EmployeeLeave.php
+++ b/lib/Models/PayrollUk/EmployeeLeave.php
@@ -448,7 +448,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -461,7 +461,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -475,7 +475,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -492,7 +492,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeLeaveBalance.php b/lib/Models/PayrollUk/EmployeeLeaveBalance.php
index 8bf26330..d4074a1e 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveBalance.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveBalance.php
@@ -337,7 +337,7 @@ public function setTypeOfUnits($type_of_units)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeLeaveBalances.php b/lib/Models/PayrollUk/EmployeeLeaveBalances.php
index 04df7d91..637f8f42 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveBalances.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveBalances.php
@@ -304,7 +304,7 @@ public function setLeaveBalances($leave_balances)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeLeaveObject.php b/lib/Models/PayrollUk/EmployeeLeaveObject.php
index fc87a41f..1fe10667 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveObject.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveObject.php
@@ -304,7 +304,7 @@ public function setLeave($leave)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeLeaveType.php b/lib/Models/PayrollUk/EmployeeLeaveType.php
index 951fe86f..f1a47006 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveType.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveType.php
@@ -445,7 +445,7 @@ public function setRateAccruedHourly($rate_accrued_hourly)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -458,7 +458,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -472,7 +472,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -489,7 +489,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeLeaveTypeObject.php b/lib/Models/PayrollUk/EmployeeLeaveTypeObject.php
index b8dfa0cc..779a8048 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveTypeObject.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveTypeObject.php
@@ -304,7 +304,7 @@ public function setLeaveType($leave_type)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeLeaveTypes.php b/lib/Models/PayrollUk/EmployeeLeaveTypes.php
index d6e346b8..fd73b49f 100644
--- a/lib/Models/PayrollUk/EmployeeLeaveTypes.php
+++ b/lib/Models/PayrollUk/EmployeeLeaveTypes.php
@@ -304,7 +304,7 @@ public function setLeaveTypes($leave_types)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeLeaves.php b/lib/Models/PayrollUk/EmployeeLeaves.php
index d2dc3266..e1503799 100644
--- a/lib/Models/PayrollUk/EmployeeLeaves.php
+++ b/lib/Models/PayrollUk/EmployeeLeaves.php
@@ -304,7 +304,7 @@ public function setLeave($leave)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeObject.php b/lib/Models/PayrollUk/EmployeeObject.php
index 58478de5..733016e9 100644
--- a/lib/Models/PayrollUk/EmployeeObject.php
+++ b/lib/Models/PayrollUk/EmployeeObject.php
@@ -304,7 +304,7 @@ public function setProblem($problem)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeOpeningBalances.php b/lib/Models/PayrollUk/EmployeeOpeningBalances.php
index baacaf49..14f32741 100644
--- a/lib/Models/PayrollUk/EmployeeOpeningBalances.php
+++ b/lib/Models/PayrollUk/EmployeeOpeningBalances.php
@@ -403,7 +403,7 @@ public function setPriorEmployeeNumber($prior_employee_number)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeOpeningBalancesObject.php b/lib/Models/PayrollUk/EmployeeOpeningBalancesObject.php
index 07aa5c02..2c03c504 100644
--- a/lib/Models/PayrollUk/EmployeeOpeningBalancesObject.php
+++ b/lib/Models/PayrollUk/EmployeeOpeningBalancesObject.php
@@ -304,7 +304,7 @@ public function setOpeningBalances($opening_balances)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeePayTemplate.php b/lib/Models/PayrollUk/EmployeePayTemplate.php
index dcf5be96..135f6899 100644
--- a/lib/Models/PayrollUk/EmployeePayTemplate.php
+++ b/lib/Models/PayrollUk/EmployeePayTemplate.php
@@ -271,7 +271,7 @@ public function setEarningTemplates($earning_templates)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeePayTemplateObject.php b/lib/Models/PayrollUk/EmployeePayTemplateObject.php
index cb179896..9b89f128 100644
--- a/lib/Models/PayrollUk/EmployeePayTemplateObject.php
+++ b/lib/Models/PayrollUk/EmployeePayTemplateObject.php
@@ -304,7 +304,7 @@ public function setPayTemplate($pay_template)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeePayTemplates.php b/lib/Models/PayrollUk/EmployeePayTemplates.php
index dc648fc8..9b4ac99f 100644
--- a/lib/Models/PayrollUk/EmployeePayTemplates.php
+++ b/lib/Models/PayrollUk/EmployeePayTemplates.php
@@ -304,7 +304,7 @@ public function setEarningTemplates($earning_templates)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalance.php b/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalance.php
index 5eed4de8..17a6896e 100644
--- a/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalance.php
+++ b/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalance.php
@@ -372,7 +372,7 @@ public function setUnits($units)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -385,7 +385,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -399,7 +399,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -416,7 +416,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalanceObject.php b/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalanceObject.php
index 1053e7d8..976067ef 100644
--- a/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalanceObject.php
+++ b/lib/Models/PayrollUk/EmployeeStatutoryLeaveBalanceObject.php
@@ -304,7 +304,7 @@ public function setLeaveBalance($leave_balance)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeStatutoryLeaveSummary.php b/lib/Models/PayrollUk/EmployeeStatutoryLeaveSummary.php
index fce602a1..79bc2d4b 100644
--- a/lib/Models/PayrollUk/EmployeeStatutoryLeaveSummary.php
+++ b/lib/Models/PayrollUk/EmployeeStatutoryLeaveSummary.php
@@ -508,7 +508,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -521,7 +521,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -535,7 +535,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -552,7 +552,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeStatutoryLeavesSummaries.php b/lib/Models/PayrollUk/EmployeeStatutoryLeavesSummaries.php
index 286d160b..ecc73ef8 100644
--- a/lib/Models/PayrollUk/EmployeeStatutoryLeavesSummaries.php
+++ b/lib/Models/PayrollUk/EmployeeStatutoryLeavesSummaries.php
@@ -304,7 +304,7 @@ public function setStatutoryLeaves($statutory_leaves)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeStatutorySickLeave.php b/lib/Models/PayrollUk/EmployeeStatutorySickLeave.php
index f9431518..faa16abf 100644
--- a/lib/Models/PayrollUk/EmployeeStatutorySickLeave.php
+++ b/lib/Models/PayrollUk/EmployeeStatutorySickLeave.php
@@ -786,7 +786,7 @@ public function setEntitlementFailureReasons($entitlement_failure_reasons)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -799,7 +799,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -813,7 +813,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -830,7 +830,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeStatutorySickLeaveObject.php b/lib/Models/PayrollUk/EmployeeStatutorySickLeaveObject.php
index a1589949..a27a8bf5 100644
--- a/lib/Models/PayrollUk/EmployeeStatutorySickLeaveObject.php
+++ b/lib/Models/PayrollUk/EmployeeStatutorySickLeaveObject.php
@@ -304,7 +304,7 @@ public function setStatutorySickLeave($statutory_sick_leave)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeStatutorySickLeaves.php b/lib/Models/PayrollUk/EmployeeStatutorySickLeaves.php
index 6706892a..487f354e 100644
--- a/lib/Models/PayrollUk/EmployeeStatutorySickLeaves.php
+++ b/lib/Models/PayrollUk/EmployeeStatutorySickLeaves.php
@@ -304,7 +304,7 @@ public function setStatutorySickLeave($statutory_sick_leave)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeTax.php b/lib/Models/PayrollUk/EmployeeTax.php
index 694cc6ae..f0c1f25d 100644
--- a/lib/Models/PayrollUk/EmployeeTax.php
+++ b/lib/Models/PayrollUk/EmployeeTax.php
@@ -568,7 +568,7 @@ public function setNicCalculationMethod($nic_calculation_method)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -581,7 +581,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -595,7 +595,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -612,7 +612,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmployeeTaxObject.php b/lib/Models/PayrollUk/EmployeeTaxObject.php
index 55871db4..ab756fc6 100644
--- a/lib/Models/PayrollUk/EmployeeTaxObject.php
+++ b/lib/Models/PayrollUk/EmployeeTaxObject.php
@@ -304,7 +304,7 @@ public function setEmployeeTax($employee_tax)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Employees.php b/lib/Models/PayrollUk/Employees.php
index e5d6e5c3..4e8be693 100644
--- a/lib/Models/PayrollUk/Employees.php
+++ b/lib/Models/PayrollUk/Employees.php
@@ -304,7 +304,7 @@ public function setEmployees($employees)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Employment.php b/lib/Models/PayrollUk/Employment.php
index f2b33260..313325c3 100644
--- a/lib/Models/PayrollUk/Employment.php
+++ b/lib/Models/PayrollUk/Employment.php
@@ -391,7 +391,7 @@ public function setNiCategory($ni_category)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -404,7 +404,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -418,7 +418,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -435,7 +435,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/EmploymentObject.php b/lib/Models/PayrollUk/EmploymentObject.php
index f13cc890..e9e51635 100644
--- a/lib/Models/PayrollUk/EmploymentObject.php
+++ b/lib/Models/PayrollUk/EmploymentObject.php
@@ -304,7 +304,7 @@ public function setEmployment($employment)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/InvalidField.php b/lib/Models/PayrollUk/InvalidField.php
index e4ef7e02..d94e3e02 100644
--- a/lib/Models/PayrollUk/InvalidField.php
+++ b/lib/Models/PayrollUk/InvalidField.php
@@ -271,7 +271,7 @@ public function setReason($reason)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/LeaveAccrualLine.php b/lib/Models/PayrollUk/LeaveAccrualLine.php
index 35a8e21a..a3420dc8 100644
--- a/lib/Models/PayrollUk/LeaveAccrualLine.php
+++ b/lib/Models/PayrollUk/LeaveAccrualLine.php
@@ -271,7 +271,7 @@ public function setNumberOfUnits($number_of_units)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/LeaveEarningsLine.php b/lib/Models/PayrollUk/LeaveEarningsLine.php
index 534c8fe6..9f51f365 100644
--- a/lib/Models/PayrollUk/LeaveEarningsLine.php
+++ b/lib/Models/PayrollUk/LeaveEarningsLine.php
@@ -403,7 +403,7 @@ public function setIsLinkedToTimesheet($is_linked_to_timesheet)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/LeavePeriod.php b/lib/Models/PayrollUk/LeavePeriod.php
index 61fcd055..5a9cc33c 100644
--- a/lib/Models/PayrollUk/LeavePeriod.php
+++ b/lib/Models/PayrollUk/LeavePeriod.php
@@ -369,7 +369,7 @@ public function setPeriodStatus($period_status)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -382,7 +382,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -396,7 +396,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -413,7 +413,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/LeavePeriods.php b/lib/Models/PayrollUk/LeavePeriods.php
index a88a4eaf..75a08a3b 100644
--- a/lib/Models/PayrollUk/LeavePeriods.php
+++ b/lib/Models/PayrollUk/LeavePeriods.php
@@ -304,7 +304,7 @@ public function setPeriods($periods)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/LeaveType.php b/lib/Models/PayrollUk/LeaveType.php
index f512beba..97210b3a 100644
--- a/lib/Models/PayrollUk/LeaveType.php
+++ b/lib/Models/PayrollUk/LeaveType.php
@@ -478,7 +478,7 @@ public function setIsStatutoryLeave($is_statutory_leave)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -491,7 +491,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -505,7 +505,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -522,7 +522,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/LeaveTypeObject.php b/lib/Models/PayrollUk/LeaveTypeObject.php
index 374a3d6a..a813618a 100644
--- a/lib/Models/PayrollUk/LeaveTypeObject.php
+++ b/lib/Models/PayrollUk/LeaveTypeObject.php
@@ -304,7 +304,7 @@ public function setLeaveType($leave_type)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/LeaveTypes.php b/lib/Models/PayrollUk/LeaveTypes.php
index 14a9aac2..b0fd3296 100644
--- a/lib/Models/PayrollUk/LeaveTypes.php
+++ b/lib/Models/PayrollUk/LeaveTypes.php
@@ -304,7 +304,7 @@ public function setLeaveTypes($leave_types)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Pagination.php b/lib/Models/PayrollUk/Pagination.php
index cc3e2c11..395e8cae 100644
--- a/lib/Models/PayrollUk/Pagination.php
+++ b/lib/Models/PayrollUk/Pagination.php
@@ -337,7 +337,7 @@ public function setItemCount($item_count)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PayRun.php b/lib/Models/PayrollUk/PayRun.php
index 5d6f5b5c..be8db962 100644
--- a/lib/Models/PayrollUk/PayRun.php
+++ b/lib/Models/PayrollUk/PayRun.php
@@ -707,7 +707,7 @@ public function setPaySlips($pay_slips)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -720,7 +720,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -734,7 +734,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -751,7 +751,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PayRunCalendar.php b/lib/Models/PayrollUk/PayRunCalendar.php
index dcf4f411..faa2051c 100644
--- a/lib/Models/PayrollUk/PayRunCalendar.php
+++ b/lib/Models/PayrollUk/PayRunCalendar.php
@@ -488,7 +488,7 @@ public function setUpdatedDateUtc($updated_date_utc)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -501,7 +501,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -515,7 +515,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -532,7 +532,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PayRunCalendarObject.php b/lib/Models/PayrollUk/PayRunCalendarObject.php
index 3d9ab378..597f56b1 100644
--- a/lib/Models/PayrollUk/PayRunCalendarObject.php
+++ b/lib/Models/PayrollUk/PayRunCalendarObject.php
@@ -304,7 +304,7 @@ public function setPayRunCalendar($pay_run_calendar)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PayRunCalendars.php b/lib/Models/PayrollUk/PayRunCalendars.php
index 5186637a..76c17acd 100644
--- a/lib/Models/PayrollUk/PayRunCalendars.php
+++ b/lib/Models/PayrollUk/PayRunCalendars.php
@@ -304,7 +304,7 @@ public function setPayRunCalendars($pay_run_calendars)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PayRunObject.php b/lib/Models/PayrollUk/PayRunObject.php
index c8c8f955..d73fe4ee 100644
--- a/lib/Models/PayrollUk/PayRunObject.php
+++ b/lib/Models/PayrollUk/PayRunObject.php
@@ -304,7 +304,7 @@ public function setPayRun($pay_run)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PayRuns.php b/lib/Models/PayrollUk/PayRuns.php
index 67ffc024..1e0e3078 100644
--- a/lib/Models/PayrollUk/PayRuns.php
+++ b/lib/Models/PayrollUk/PayRuns.php
@@ -304,7 +304,7 @@ public function setPayRuns($pay_runs)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PaymentLine.php b/lib/Models/PayrollUk/PaymentLine.php
index b02e9471..12b17d49 100644
--- a/lib/Models/PayrollUk/PaymentLine.php
+++ b/lib/Models/PayrollUk/PaymentLine.php
@@ -370,7 +370,7 @@ public function setAccountName($account_name)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PaymentMethod.php b/lib/Models/PayrollUk/PaymentMethod.php
index 85be1cc5..23453b79 100644
--- a/lib/Models/PayrollUk/PaymentMethod.php
+++ b/lib/Models/PayrollUk/PaymentMethod.php
@@ -308,7 +308,7 @@ public function setBankAccounts($bank_accounts)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -321,7 +321,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -335,7 +335,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -352,7 +352,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PaymentMethodObject.php b/lib/Models/PayrollUk/PaymentMethodObject.php
index d58f6b72..aec1c828 100644
--- a/lib/Models/PayrollUk/PaymentMethodObject.php
+++ b/lib/Models/PayrollUk/PaymentMethodObject.php
@@ -304,7 +304,7 @@ public function setPaymentMethod($payment_method)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Payslip.php b/lib/Models/PayrollUk/Payslip.php
index 32a03f5f..74c9475c 100644
--- a/lib/Models/PayrollUk/Payslip.php
+++ b/lib/Models/PayrollUk/Payslip.php
@@ -1163,7 +1163,7 @@ public function setCourtOrderLines($court_order_lines)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -1176,7 +1176,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -1190,7 +1190,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -1207,7 +1207,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/PayslipObject.php b/lib/Models/PayrollUk/PayslipObject.php
index 14b64709..a7798f86 100644
--- a/lib/Models/PayrollUk/PayslipObject.php
+++ b/lib/Models/PayrollUk/PayslipObject.php
@@ -304,7 +304,7 @@ public function setPaySlip($pay_slip)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Payslips.php b/lib/Models/PayrollUk/Payslips.php
index 6794519e..28bddeca 100644
--- a/lib/Models/PayrollUk/Payslips.php
+++ b/lib/Models/PayrollUk/Payslips.php
@@ -304,7 +304,7 @@ public function setPaySlips($pay_slips)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Problem.php b/lib/Models/PayrollUk/Problem.php
index 3082761c..2b699175 100644
--- a/lib/Models/PayrollUk/Problem.php
+++ b/lib/Models/PayrollUk/Problem.php
@@ -404,7 +404,7 @@ public function setInvalidFields($invalid_fields)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -417,7 +417,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -431,7 +431,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -448,7 +448,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Reimbursement.php b/lib/Models/PayrollUk/Reimbursement.php
index 2932f094..88a735fd 100644
--- a/lib/Models/PayrollUk/Reimbursement.php
+++ b/lib/Models/PayrollUk/Reimbursement.php
@@ -343,7 +343,7 @@ public function setCurrentRecord($current_record)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -356,7 +356,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -370,7 +370,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -387,7 +387,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/ReimbursementLine.php b/lib/Models/PayrollUk/ReimbursementLine.php
index c2f8036d..5a27dcab 100644
--- a/lib/Models/PayrollUk/ReimbursementLine.php
+++ b/lib/Models/PayrollUk/ReimbursementLine.php
@@ -304,7 +304,7 @@ public function setAmount($amount)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/ReimbursementObject.php b/lib/Models/PayrollUk/ReimbursementObject.php
index 116102ba..b0338802 100644
--- a/lib/Models/PayrollUk/ReimbursementObject.php
+++ b/lib/Models/PayrollUk/ReimbursementObject.php
@@ -304,7 +304,7 @@ public function setReimbursement($reimbursement)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Reimbursements.php b/lib/Models/PayrollUk/Reimbursements.php
index 63bf19d3..faada0bb 100644
--- a/lib/Models/PayrollUk/Reimbursements.php
+++ b/lib/Models/PayrollUk/Reimbursements.php
@@ -304,7 +304,7 @@ public function setReimbursements($reimbursements)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/SalaryAndWage.php b/lib/Models/PayrollUk/SalaryAndWage.php
index ea32e1d1..4c8538ba 100644
--- a/lib/Models/PayrollUk/SalaryAndWage.php
+++ b/lib/Models/PayrollUk/SalaryAndWage.php
@@ -586,7 +586,7 @@ public function setPaymentType($payment_type)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -599,7 +599,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -613,7 +613,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -630,7 +630,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/SalaryAndWageObject.php b/lib/Models/PayrollUk/SalaryAndWageObject.php
index 86f3b588..4bf31203 100644
--- a/lib/Models/PayrollUk/SalaryAndWageObject.php
+++ b/lib/Models/PayrollUk/SalaryAndWageObject.php
@@ -304,7 +304,7 @@ public function setSalaryAndWages($salary_and_wages)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/SalaryAndWages.php b/lib/Models/PayrollUk/SalaryAndWages.php
index 93365daa..281ba24d 100644
--- a/lib/Models/PayrollUk/SalaryAndWages.php
+++ b/lib/Models/PayrollUk/SalaryAndWages.php
@@ -304,7 +304,7 @@ public function setSalaryAndWages($salary_and_wages)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Settings.php b/lib/Models/PayrollUk/Settings.php
index 7263a094..4998e04c 100644
--- a/lib/Models/PayrollUk/Settings.php
+++ b/lib/Models/PayrollUk/Settings.php
@@ -304,7 +304,7 @@ public function setSettings($settings)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/StatutoryDeduction.php b/lib/Models/PayrollUk/StatutoryDeduction.php
index d992c376..2efc58ed 100644
--- a/lib/Models/PayrollUk/StatutoryDeduction.php
+++ b/lib/Models/PayrollUk/StatutoryDeduction.php
@@ -370,7 +370,7 @@ public function setCurrentRecord($current_record)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -383,7 +383,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -397,7 +397,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -414,7 +414,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/TaxLine.php b/lib/Models/PayrollUk/TaxLine.php
index dcc0999a..4dec35bd 100644
--- a/lib/Models/PayrollUk/TaxLine.php
+++ b/lib/Models/PayrollUk/TaxLine.php
@@ -403,7 +403,7 @@ public function setManualAdjustment($manual_adjustment)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Timesheet.php b/lib/Models/PayrollUk/Timesheet.php
index 2e0a99c4..09c2b667 100644
--- a/lib/Models/PayrollUk/Timesheet.php
+++ b/lib/Models/PayrollUk/Timesheet.php
@@ -548,7 +548,7 @@ public function setTimesheetLines($timesheet_lines)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -561,7 +561,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -575,7 +575,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -592,7 +592,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/TimesheetEarningsLine.php b/lib/Models/PayrollUk/TimesheetEarningsLine.php
index f1f6c915..4dcc8b34 100644
--- a/lib/Models/PayrollUk/TimesheetEarningsLine.php
+++ b/lib/Models/PayrollUk/TimesheetEarningsLine.php
@@ -403,7 +403,7 @@ public function setIsLinkedToTimesheet($is_linked_to_timesheet)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -416,7 +416,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -430,7 +430,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -447,7 +447,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/TimesheetLine.php b/lib/Models/PayrollUk/TimesheetLine.php
index 3018d259..d081c761 100644
--- a/lib/Models/PayrollUk/TimesheetLine.php
+++ b/lib/Models/PayrollUk/TimesheetLine.php
@@ -379,7 +379,7 @@ public function setNumberOfUnits($number_of_units)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -392,7 +392,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -406,7 +406,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -423,7 +423,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/TimesheetLineObject.php b/lib/Models/PayrollUk/TimesheetLineObject.php
index a7b983b0..535a0f81 100644
--- a/lib/Models/PayrollUk/TimesheetLineObject.php
+++ b/lib/Models/PayrollUk/TimesheetLineObject.php
@@ -304,7 +304,7 @@ public function setTimesheetLine($timesheet_line)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/TimesheetObject.php b/lib/Models/PayrollUk/TimesheetObject.php
index dc2dfa8a..858359ad 100644
--- a/lib/Models/PayrollUk/TimesheetObject.php
+++ b/lib/Models/PayrollUk/TimesheetObject.php
@@ -304,7 +304,7 @@ public function setTimesheet($timesheet)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/Timesheets.php b/lib/Models/PayrollUk/Timesheets.php
index c78f222e..a393b130 100644
--- a/lib/Models/PayrollUk/Timesheets.php
+++ b/lib/Models/PayrollUk/Timesheets.php
@@ -304,7 +304,7 @@ public function setTimesheets($timesheets)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/TrackingCategories.php b/lib/Models/PayrollUk/TrackingCategories.php
index aa0727e3..5b02ace7 100644
--- a/lib/Models/PayrollUk/TrackingCategories.php
+++ b/lib/Models/PayrollUk/TrackingCategories.php
@@ -304,7 +304,7 @@ public function setTrackingCategories($tracking_categories)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/PayrollUk/TrackingCategory.php b/lib/Models/PayrollUk/TrackingCategory.php
index 28502ad3..a6f15387 100644
--- a/lib/Models/PayrollUk/TrackingCategory.php
+++ b/lib/Models/PayrollUk/TrackingCategory.php
@@ -271,7 +271,7 @@ public function setTimesheetTrackingCategoryId($timesheet_tracking_category_id)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/Amount.php b/lib/Models/Project/Amount.php
index 53ea150b..a3e25916 100644
--- a/lib/Models/Project/Amount.php
+++ b/lib/Models/Project/Amount.php
@@ -271,7 +271,7 @@ public function setValue($value)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/Error.php b/lib/Models/Project/Error.php
index d497f3ae..1084649a 100644
--- a/lib/Models/Project/Error.php
+++ b/lib/Models/Project/Error.php
@@ -271,7 +271,7 @@ public function setModelState($model_state)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/Pagination.php b/lib/Models/Project/Pagination.php
index bcb06a94..238e9514 100644
--- a/lib/Models/Project/Pagination.php
+++ b/lib/Models/Project/Pagination.php
@@ -337,7 +337,7 @@ public function setItemCount($item_count)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -350,7 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -364,7 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -381,7 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/Project.php b/lib/Models/Project/Project.php
index 0f70bab9..4ce534d4 100644
--- a/lib/Models/Project/Project.php
+++ b/lib/Models/Project/Project.php
@@ -934,7 +934,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -947,7 +947,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -961,7 +961,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -978,7 +978,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/ProjectCreateOrUpdate.php b/lib/Models/Project/ProjectCreateOrUpdate.php
index 5e8af9c4..79787ab4 100644
--- a/lib/Models/Project/ProjectCreateOrUpdate.php
+++ b/lib/Models/Project/ProjectCreateOrUpdate.php
@@ -340,7 +340,7 @@ public function setDeadlineUtc($deadline_utc)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -353,7 +353,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -367,7 +367,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -384,7 +384,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/ProjectPatch.php b/lib/Models/Project/ProjectPatch.php
index 86c2b1ee..17184f6e 100644
--- a/lib/Models/Project/ProjectPatch.php
+++ b/lib/Models/Project/ProjectPatch.php
@@ -241,7 +241,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -254,7 +254,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -268,7 +268,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -285,7 +285,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/ProjectUser.php b/lib/Models/Project/ProjectUser.php
index 61f07aec..7df26e17 100644
--- a/lib/Models/Project/ProjectUser.php
+++ b/lib/Models/Project/ProjectUser.php
@@ -304,7 +304,7 @@ public function setEmail($email)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -317,7 +317,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -331,7 +331,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -348,7 +348,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/ProjectUsers.php b/lib/Models/Project/ProjectUsers.php
index 651422e4..341cc060 100644
--- a/lib/Models/Project/ProjectUsers.php
+++ b/lib/Models/Project/ProjectUsers.php
@@ -271,7 +271,7 @@ public function setItems($items)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/Projects.php b/lib/Models/Project/Projects.php
index 26542f3a..0c37c8f5 100644
--- a/lib/Models/Project/Projects.php
+++ b/lib/Models/Project/Projects.php
@@ -271,7 +271,7 @@ public function setItems($items)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/Task.php b/lib/Models/Project/Task.php
index 20f72e2f..79b7735f 100644
--- a/lib/Models/Project/Task.php
+++ b/lib/Models/Project/Task.php
@@ -734,7 +734,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -747,7 +747,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -761,7 +761,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -778,7 +778,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/TaskCreateOrUpdate.php b/lib/Models/Project/TaskCreateOrUpdate.php
index 94f44279..4bb4a089 100644
--- a/lib/Models/Project/TaskCreateOrUpdate.php
+++ b/lib/Models/Project/TaskCreateOrUpdate.php
@@ -348,7 +348,7 @@ public function setEstimateMinutes($estimate_minutes)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -361,7 +361,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -375,7 +375,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -392,7 +392,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/Tasks.php b/lib/Models/Project/Tasks.php
index 6a574787..0c92a923 100644
--- a/lib/Models/Project/Tasks.php
+++ b/lib/Models/Project/Tasks.php
@@ -271,7 +271,7 @@ public function setItems($items)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/TimeEntries.php b/lib/Models/Project/TimeEntries.php
index e66f968b..643e3e42 100644
--- a/lib/Models/Project/TimeEntries.php
+++ b/lib/Models/Project/TimeEntries.php
@@ -271,7 +271,7 @@ public function setItems($items)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -284,7 +284,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -298,7 +298,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -315,7 +315,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/TimeEntry.php b/lib/Models/Project/TimeEntry.php
index 1a8599c8..79271816 100644
--- a/lib/Models/Project/TimeEntry.php
+++ b/lib/Models/Project/TimeEntry.php
@@ -536,7 +536,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -549,7 +549,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -563,7 +563,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -580,7 +580,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/Project/TimeEntryCreateOrUpdate.php b/lib/Models/Project/TimeEntryCreateOrUpdate.php
index 547dfa25..208cf27b 100644
--- a/lib/Models/Project/TimeEntryCreateOrUpdate.php
+++ b/lib/Models/Project/TimeEntryCreateOrUpdate.php
@@ -382,7 +382,7 @@ public function setDescription($description)
      *
      * @return boolean
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -395,7 +395,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -409,7 +409,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -426,7 +426,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[\ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);

From cf9a2740a922b6d0027bdec55718bcc19a627e6e Mon Sep 17 00:00:00 2001
From: Rett Behrens <rett@rettbehrens.codes>
Date: Fri, 6 May 2022 12:12:53 -0600
Subject: [PATCH 7/7] adds returntypewillchange tags

---
 lib/Models/Accounting/BudgetLines.php | 6 ++++++
 lib/Models/File/FileResponse204.php   | 6 ++++++
 lib/Models/File/InlineObject.php      | 6 ++++++
 lib/Models/File/UploadObject.php      | 8 ++++----
 4 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/lib/Models/Accounting/BudgetLines.php b/lib/Models/Accounting/BudgetLines.php
index 86c0a202..17b887a9 100644
--- a/lib/Models/Accounting/BudgetLines.php
+++ b/lib/Models/Accounting/BudgetLines.php
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\AccountingObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * BudgetLines Class Doc Comment
  *
@@ -369,6 +371,7 @@ public function setNotes($notes)
      *
      * @return boolean
      */
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -381,6 +384,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -394,6 +398,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -410,6 +415,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/File/FileResponse204.php b/lib/Models/File/FileResponse204.php
index b3a96c12..8e90de00 100644
--- a/lib/Models/File/FileResponse204.php
+++ b/lib/Models/File/FileResponse204.php
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FileObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * FileResponse204 Class Doc Comment
  *
@@ -236,6 +238,7 @@ public function setStatus($status)
      *
      * @return boolean
      */
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -248,6 +251,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -261,6 +265,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -277,6 +282,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/File/InlineObject.php b/lib/Models/File/InlineObject.php
index 4995aefb..ae5fef2a 100644
--- a/lib/Models/File/InlineObject.php
+++ b/lib/Models/File/InlineObject.php
@@ -31,6 +31,8 @@
 use \ArrayAccess;
 use \XeroAPI\XeroPHP\FileObjectSerializer;
 use \XeroAPI\XeroPHP\StringUtil;
+use ReturnTypeWillChange;
+
 /**
  * InlineObject Class Doc Comment
  *
@@ -335,6 +337,7 @@ public function setMimeType($mime_type)
      *
      * @return boolean
      */
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -347,6 +350,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -360,6 +364,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -376,6 +381,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);
diff --git a/lib/Models/File/UploadObject.php b/lib/Models/File/UploadObject.php
index 4d4eab7c..e4150b4e 100644
--- a/lib/Models/File/UploadObject.php
+++ b/lib/Models/File/UploadObject.php
@@ -346,7 +346,7 @@ public function setMimeType($mime_type)
      *
      * @return boolean
      */
-     #[ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return isset($this->container[$offset]);
@@ -359,7 +359,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
-     #[ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return isset($this->container[$offset]) ? $this->container[$offset] : null;
@@ -373,7 +373,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (is_null($offset)) {
@@ -390,7 +390,7 @@ public function offsetSet($offset, $value)
      *
      * @return void
      */
-     #[ReturnTypeWillChange]
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->container[$offset]);